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authorMichael Drake <michael.drake@codethink.co.uk>2017-03-22 15:35:19 +0000
committerMichael Drake <tlsa@netsurf-browser.org>2017-03-23 14:56:32 +0000
commit736bbbed715d6db1eec2a9947b86787d8f9e680e (patch)
treed5c0475fe88071419436e0d87b687dad05a6d200 /content/handlers/javascript/duktape/duktape.c
parent6bfc8ba547698e81dd33f0fdaff29bb227906d8d (diff)
downloadnetsurf-736bbbed715d6db1eec2a9947b86787d8f9e680e.tar.gz
netsurf-736bbbed715d6db1eec2a9947b86787d8f9e680e.tar.bz2
Duktape 2.X: Update to Duktape 2.0.2.
Note that DUK_OPT_XXX feature selection has been removed. This means we can't use `DUK_OPT_HAVE_CUSTOM_H`, so we need another way to tell duktape about our custom header. This means assembling our own duktape distribution with a duktape "tools/configure.py" invocation. Instructions for updating duktape have been added to NetSurf's `Docs/` directory. See: https://github.com/svaarala/duktape/blob/master/doc/release-notes-v2-0.rst#duk_opt_xxx-feature-option-support-removed
Diffstat (limited to 'content/handlers/javascript/duktape/duktape.c')
-rw-r--r--content/handlers/javascript/duktape/duktape.c43606
1 files changed, 24115 insertions, 19491 deletions
diff --git a/content/handlers/javascript/duktape/duktape.c b/content/handlers/javascript/duktape/duktape.c
index b64383b11..a3457a83b 100644
--- a/content/handlers/javascript/duktape/duktape.c
+++ b/content/handlers/javascript/duktape/duktape.c
@@ -1,10 +1,8 @@
-/* Omit from static analysis. */
-#ifndef __clang_analyzer__
/*
- * Single source autogenerated distributable for Duktape 1.6.0.
+ * Single source autogenerated distributable for Duktape 2.0.2.
*
- * Git commit 17e3d86cf8b4788bd0d37658f833ab440ce43a1c (v1.6.0).
- * Git branch HEAD.
+ * Git commit external (external).
+ * Git branch external.
*
* See Duktape AUTHORS.rst and LICENSE.txt for copyright and
* licensing information.
@@ -18,7 +16,7 @@
*
* (http://opensource.org/licenses/MIT)
*
-* Copyright (c) 2013-2016 by Duktape authors (see AUTHORS.rst)
+* Copyright (c) 2013-2017 by Duktape authors (see AUTHORS.rst)
*
* Permission is hereby granted, free of charge, to any person obtaining a copy
* of this software and associated documentation files (the "Software"), to deal
@@ -38,6 +36,7 @@
* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
* THE SOFTWARE.
*/
+
/* AUTHORS.rst */
/*
* ===============
@@ -71,6 +70,18 @@
* * Ren\u00e9 Hollander <rene@rene8888.at>
* * Julien Hamaide (https://github.com/crazyjul)
* * Sebastian G\u00f6tte (https://github.com/jaseg)
+* * Tomasz Magulski (https://github.com/magul)
+* * \D. Bohdan (https://github.com/dbohdan)
+* * Ond\u0159ej Jirman (https://github.com/megous)
+* * Sa\u00fal Ibarra Corretg\u00e9 <saghul@gmail.com>
+* * Jeremy HU <huxingyi@msn.com>
+* * Ole Andr\u00e9 Vadla Ravn\u00e5s (https://github.com/oleavr)
+* * Harold Brenes (https://github.com/harold-b)
+* * Oliver Crow (https://github.com/ocrow)
+* * Jakub Ch\u0142api\u0144ski (https://github.com/jchlapinski)
+* * Brett Vickers (https://github.com/beevik)
+* * Dominik Okwieka (https://github.com/okitec)
+* * Remko Tron\u00e7on (https://el-tramo.be)
*
* Other contributions
* ===================
@@ -108,12 +119,21 @@
* * Michael Drake (https://github.com/tlsa)
* * https://github.com/chris-y
* * Laurent Zubiaur (https://github.com/lzubiaur)
-* * Ole Andr\u00e9 Vadla Ravn\u00e5s (https://github.com/oleavr)
+* * Neil Kolban (https://github.com/nkolban)
*
* If you are accidentally missing from this list, send me an e-mail
* (``sami.vaarala@iki.fi``) and I'll fix the omission.
*/
-#line 1 "duk_internal.h"
+
+/*
+ * Replacements for missing platform functions.
+ *
+ * Unlike the originals, fpclassify() and signbit() replacements don't
+ * work on any floating point types, only doubles. The C typing here
+ * mimics the standard prototypes.
+ */
+
+/* #include duk_internal.h */
/*
* Top-level include file to be used for all (internal) source files.
*
@@ -121,7 +141,7 @@
* have not been designed to be individually included.
*/
-#ifndef DUK_INTERNAL_H_INCLUDED
+#if !defined(DUK_INTERNAL_H_INCLUDED)
#define DUK_INTERNAL_H_INCLUDED
/*
@@ -143,9 +163,7 @@
/*
* User declarations, e.g. prototypes for user functions used by Duktape
- * macros. Concretely, if DUK_USE_PANIC_HANDLER is used and the macro
- * value calls a user function, it needs to be declared for Duktape
- * compilation to avoid warnings.
+ * macros.
*/
DUK_USE_USER_DECLARE()
@@ -159,8 +177,8 @@ DUK_USE_USER_DECLARE()
* dependencies.
*/
-#line 1 "duk_replacements.h"
-#ifndef DUK_REPLACEMENTS_H_INCLUDED
+/* #include duk_replacements.h */
+#if !defined(DUK_REPLACEMENTS_H_INCLUDED)
#define DUK_REPLACEMENTS_H_INCLUDED
#if !defined(DUK_SINGLE_FILE)
@@ -170,6 +188,8 @@ DUK_INTERNAL_DECL double duk_computed_infinity;
#if defined(DUK_USE_COMPUTED_NAN)
DUK_INTERNAL_DECL double duk_computed_nan;
#endif
+#endif /* !DUK_SINGLE_FILE */
+
#if defined(DUK_USE_REPL_FPCLASSIFY)
DUK_INTERNAL_DECL int duk_repl_fpclassify(double x);
#endif
@@ -185,10 +205,9 @@ DUK_INTERNAL_DECL int duk_repl_isnan(double x);
#if defined(DUK_USE_REPL_ISINF)
DUK_INTERNAL_DECL int duk_repl_isinf(double x);
#endif
-#endif /* !DUK_SINGLE_FILE */
#endif /* DUK_REPLACEMENTS_H_INCLUDED */
-#line 1 "duk_jmpbuf.h"
+/* #include duk_jmpbuf.h */
/*
* Wrapper for jmp_buf.
*
@@ -199,7 +218,7 @@ DUK_INTERNAL_DECL int duk_repl_isinf(double x);
* http://en.wikipedia.org/wiki/Setjmp.h#Member_types
*/
-#ifndef DUK_JMPBUF_H_INCLUDED
+#if !defined(DUK_JMPBUF_H_INCLUDED)
#define DUK_JMPBUF_H_INCLUDED
#if defined(DUK_USE_CPP_EXCEPTIONS)
@@ -213,7 +232,7 @@ struct duk_jmpbuf {
#endif
#endif /* DUK_JMPBUF_H_INCLUDED */
-#line 1 "duk_exception.h"
+/* #include duk_exception.h */
/*
* Exception for Duktape internal throws when C++ exceptions are used
* for long control transfers.
@@ -222,7 +241,7 @@ struct duk_jmpbuf {
* that user code would accidentally catch this exception.
*/
-#ifndef DUK_EXCEPTION_H_INCLUDED
+#if !defined(DUK_EXCEPTION_H_INCLUDED)
#define DUK_EXCEPTION_H_INCLUDED
#if defined(DUK_USE_CPP_EXCEPTIONS)
@@ -232,12 +251,12 @@ class duk_internal_exception {
#endif
#endif /* DUK_EXCEPTION_H_INCLUDED */
-#line 1 "duk_forwdecl.h"
+/* #include duk_forwdecl.h */
/*
* Forward declarations for all Duktape structures.
*/
-#ifndef DUK_FORWDECL_H_INCLUDED
+#if !defined(DUK_FORWDECL_H_INCLUDED)
#define DUK_FORWDECL_H_INCLUDED
/*
@@ -253,13 +272,14 @@ struct duk_jmpbuf;
/* duk_tval intentionally skipped */
struct duk_heaphdr;
struct duk_heaphdr_string;
+struct duk_harray;
struct duk_hstring;
struct duk_hstring_external;
struct duk_hobject;
-struct duk_hcompiledfunction;
-struct duk_hnativefunction;
+struct duk_hcompfunc;
+struct duk_hnatfunc;
struct duk_hthread;
-struct duk_hbufferobject;
+struct duk_hbufobj;
struct duk_hbuffer;
struct duk_hbuffer_fixed;
struct duk_hbuffer_dynamic;
@@ -278,7 +298,7 @@ struct duk_strcache;
struct duk_ljstate;
struct duk_strtab_entry;
-#ifdef DUK_USE_DEBUG
+#if defined(DUK_USE_DEBUG)
struct duk_fixedbuffer;
#endif
@@ -308,12 +328,13 @@ typedef struct duk_jmpbuf duk_jmpbuf;
/* duk_tval intentionally skipped */
typedef struct duk_heaphdr duk_heaphdr;
typedef struct duk_heaphdr_string duk_heaphdr_string;
+typedef struct duk_harray duk_harray;
typedef struct duk_hstring duk_hstring;
typedef struct duk_hstring_external duk_hstring_external;
typedef struct duk_hobject duk_hobject;
-typedef struct duk_hcompiledfunction duk_hcompiledfunction;
-typedef struct duk_hnativefunction duk_hnativefunction;
-typedef struct duk_hbufferobject duk_hbufferobject;
+typedef struct duk_hcompfunc duk_hcompfunc;
+typedef struct duk_hnatfunc duk_hnatfunc;
+typedef struct duk_hbufobj duk_hbufobj;
typedef struct duk_hthread duk_hthread;
typedef struct duk_hbuffer duk_hbuffer;
typedef struct duk_hbuffer_fixed duk_hbuffer_fixed;
@@ -333,7 +354,7 @@ typedef struct duk_strcache duk_strcache;
typedef struct duk_ljstate duk_ljstate;
typedef struct duk_strtab_entry duk_strtab_entry;
-#ifdef DUK_USE_DEBUG
+#if defined(DUK_USE_DEBUG)
typedef struct duk_fixedbuffer duk_fixedbuffer;
#endif
@@ -355,7 +376,7 @@ typedef struct duk_re_matcher_ctx duk_re_matcher_ctx;
typedef struct duk_re_compiler_ctx duk_re_compiler_ctx;
#endif /* DUK_FORWDECL_H_INCLUDED */
-#line 1 "duk_tval.h"
+/* #include duk_tval.h */
/*
* Tagged type definition (duk_tval) and accessor macros.
*
@@ -368,15 +389,13 @@ typedef struct duk_re_compiler_ctx duk_re_compiler_ctx;
* 64-bit environments (it usually pads to 16 bytes per value).
*
* Selecting the tagged type format involves many trade-offs (memory
- * use, size and performance of generated code, portability, etc),
- * see doc/types.rst for a detailed discussion (especially of how the
- * IEEE double format is used to pack tagged values).
+ * use, size and performance of generated code, portability, etc).
*
* NB: because macro arguments are often expressions, macros should
* avoid evaluating their argument more than once.
*/
-#ifndef DUK_TVAL_H_INCLUDED
+#if !defined(DUK_TVAL_H_INCLUDED)
#define DUK_TVAL_H_INCLUDED
/* sanity */
@@ -393,10 +412,17 @@ typedef struct duk_re_compiler_ctx duk_re_compiler_ctx;
/* use duk_double_union as duk_tval directly */
typedef union duk_double_union duk_tval;
+typedef struct {
+ duk_uint16_t a;
+ duk_uint16_t b;
+ duk_uint16_t c;
+ duk_uint16_t d;
+} duk_tval_unused;
/* tags */
#define DUK_TAG_NORMALIZED_NAN 0x7ff8UL /* the NaN variant we use */
/* avoid tag 0xfff0, no risk of confusion with negative infinity */
+#define DUK_TAG_MIN 0xfff1UL
#if defined(DUK_USE_FASTINT)
#define DUK_TAG_FASTINT 0xfff1UL /* embed: integer value */
#endif
@@ -410,195 +436,226 @@ typedef union duk_double_union duk_tval;
#define DUK_TAG_STRING 0xfff8UL /* embed: duk_hstring ptr */
#define DUK_TAG_OBJECT 0xfff9UL /* embed: duk_hobject ptr */
#define DUK_TAG_BUFFER 0xfffaUL /* embed: duk_hbuffer ptr */
+#define DUK_TAG_MAX 0xfffaUL
/* for convenience */
#define DUK_XTAG_BOOLEAN_FALSE 0xfff50000UL
#define DUK_XTAG_BOOLEAN_TRUE 0xfff50001UL
+#define DUK_TVAL_IS_VALID_TAG(tv) \
+ (DUK_TVAL_GET_TAG((tv)) - DUK_TAG_MIN <= DUK_TAG_MAX - DUK_TAG_MIN)
+
+/* DUK_TVAL_UNUSED initializer for duk_tval_unused, works for any endianness. */
+#define DUK_TVAL_UNUSED_INITIALIZER() \
+ { DUK_TAG_UNUSED, DUK_TAG_UNUSED, DUK_TAG_UNUSED, DUK_TAG_UNUSED }
+
/* two casts to avoid gcc warning: "warning: cast from pointer to integer of different size [-Wpointer-to-int-cast]" */
#if defined(DUK_USE_64BIT_OPS)
#if defined(DUK_USE_DOUBLE_ME)
-#define DUK__TVAL_SET_TAGGEDPOINTER(v,h,tag) do { \
- (v)->ull[DUK_DBL_IDX_ULL0] = (((duk_uint64_t) (tag)) << 16) | (((duk_uint64_t) (duk_uint32_t) (h)) << 32); \
+#define DUK__TVAL_SET_TAGGEDPOINTER(tv,h,tag) do { \
+ (tv)->ull[DUK_DBL_IDX_ULL0] = (((duk_uint64_t) (tag)) << 16) | (((duk_uint64_t) (duk_uint32_t) (h)) << 32); \
} while (0)
#else
-#define DUK__TVAL_SET_TAGGEDPOINTER(v,h,tag) do { \
- (v)->ull[DUK_DBL_IDX_ULL0] = (((duk_uint64_t) (tag)) << 48) | ((duk_uint64_t) (duk_uint32_t) (h)); \
+#define DUK__TVAL_SET_TAGGEDPOINTER(tv,h,tag) do { \
+ (tv)->ull[DUK_DBL_IDX_ULL0] = (((duk_uint64_t) (tag)) << 48) | ((duk_uint64_t) (duk_uint32_t) (h)); \
} while (0)
#endif
#else /* DUK_USE_64BIT_OPS */
-#define DUK__TVAL_SET_TAGGEDPOINTER(v,h,tag) do { \
- (v)->ui[DUK_DBL_IDX_UI0] = ((duk_uint32_t) (tag)) << 16; \
- (v)->ui[DUK_DBL_IDX_UI1] = (duk_uint32_t) (h); \
+#define DUK__TVAL_SET_TAGGEDPOINTER(tv,h,tag) do { \
+ duk_tval *duk__tv; \
+ duk__tv = (tv); \
+ duk__tv->ui[DUK_DBL_IDX_UI0] = ((duk_uint32_t) (tag)) << 16; \
+ duk__tv->ui[DUK_DBL_IDX_UI1] = (duk_uint32_t) (h); \
} while (0)
#endif /* DUK_USE_64BIT_OPS */
#if defined(DUK_USE_64BIT_OPS)
/* Double casting for pointer to avoid gcc warning (cast from pointer to integer of different size) */
#if defined(DUK_USE_DOUBLE_ME)
-#define DUK__TVAL_SET_LIGHTFUNC(v,fp,flags) do { \
- (v)->ull[DUK_DBL_IDX_ULL0] = (((duk_uint64_t) DUK_TAG_LIGHTFUNC) << 16) | \
- ((duk_uint64_t) (flags)) | \
- (((duk_uint64_t) (duk_uint32_t) (fp)) << 32); \
+#define DUK__TVAL_SET_LIGHTFUNC(tv,fp,flags) do { \
+ (tv)->ull[DUK_DBL_IDX_ULL0] = (((duk_uint64_t) DUK_TAG_LIGHTFUNC) << 16) | \
+ ((duk_uint64_t) (flags)) | \
+ (((duk_uint64_t) (duk_uint32_t) (fp)) << 32); \
} while (0)
#else
-#define DUK__TVAL_SET_LIGHTFUNC(v,fp,flags) do { \
- (v)->ull[DUK_DBL_IDX_ULL0] = (((duk_uint64_t) DUK_TAG_LIGHTFUNC) << 48) | \
- (((duk_uint64_t) (flags)) << 32) | \
- ((duk_uint64_t) (duk_uint32_t) (fp)); \
+#define DUK__TVAL_SET_LIGHTFUNC(tv,fp,flags) do { \
+ (tv)->ull[DUK_DBL_IDX_ULL0] = (((duk_uint64_t) DUK_TAG_LIGHTFUNC) << 48) | \
+ (((duk_uint64_t) (flags)) << 32) | \
+ ((duk_uint64_t) (duk_uint32_t) (fp)); \
} while (0)
#endif
#else /* DUK_USE_64BIT_OPS */
-#define DUK__TVAL_SET_LIGHTFUNC(v,fp,flags) do { \
- (v)->ui[DUK_DBL_IDX_UI0] = (((duk_uint32_t) DUK_TAG_LIGHTFUNC) << 16) | ((duk_uint32_t) (flags)); \
- (v)->ui[DUK_DBL_IDX_UI1] = (duk_uint32_t) (fp); \
+#define DUK__TVAL_SET_LIGHTFUNC(tv,fp,flags) do { \
+ duk_tval *duk__tv; \
+ duk__tv = (tv); \
+ duk__tv->ui[DUK_DBL_IDX_UI0] = (((duk_uint32_t) DUK_TAG_LIGHTFUNC) << 16) | ((duk_uint32_t) (flags)); \
+ duk__tv->ui[DUK_DBL_IDX_UI1] = (duk_uint32_t) (fp); \
} while (0)
#endif /* DUK_USE_64BIT_OPS */
#if defined(DUK_USE_FASTINT)
/* Note: masking is done for 'i' to deal with negative numbers correctly */
#if defined(DUK_USE_DOUBLE_ME)
-#define DUK__TVAL_SET_FASTINT(v,i) do { \
- (v)->ui[DUK_DBL_IDX_UI0] = ((duk_uint32_t) DUK_TAG_FASTINT) << 16 | (((duk_uint32_t) ((i) >> 32)) & 0x0000ffffUL); \
- (v)->ui[DUK_DBL_IDX_UI1] = (duk_uint32_t) (i); \
+#define DUK__TVAL_SET_I48(tv,i) do { \
+ duk_tval *duk__tv; \
+ duk__tv = (tv); \
+ duk__tv->ui[DUK_DBL_IDX_UI0] = ((duk_uint32_t) DUK_TAG_FASTINT) << 16 | (((duk_uint32_t) ((i) >> 32)) & 0x0000ffffUL); \
+ duk__tv->ui[DUK_DBL_IDX_UI1] = (duk_uint32_t) (i); \
} while (0)
-#define DUK__TVAL_SET_FASTINT_U32(v,i) do { \
- (v)->ui[DUK_DBL_IDX_UI0] = ((duk_uint32_t) DUK_TAG_FASTINT) << 16; \
- (v)->ui[DUK_DBL_IDX_UI1] = (duk_uint32_t) (i); \
+#define DUK__TVAL_SET_U32(tv,i) do { \
+ duk_tval *duk__tv; \
+ duk__tv = (tv); \
+ duk__tv->ui[DUK_DBL_IDX_UI0] = ((duk_uint32_t) DUK_TAG_FASTINT) << 16; \
+ duk__tv->ui[DUK_DBL_IDX_UI1] = (duk_uint32_t) (i); \
} while (0)
#else
-#define DUK__TVAL_SET_FASTINT(v,i) do { \
- (v)->ull[DUK_DBL_IDX_ULL0] = (((duk_uint64_t) DUK_TAG_FASTINT) << 48) | (((duk_uint64_t) (i)) & 0x0000ffffffffffffULL); \
+#define DUK__TVAL_SET_I48(tv,i) do { \
+ (tv)->ull[DUK_DBL_IDX_ULL0] = (((duk_uint64_t) DUK_TAG_FASTINT) << 48) | (((duk_uint64_t) (i)) & 0x0000ffffffffffffULL); \
} while (0)
-#define DUK__TVAL_SET_FASTINT_U32(v,i) do { \
- (v)->ull[DUK_DBL_IDX_ULL0] = (((duk_uint64_t) DUK_TAG_FASTINT) << 48) | (duk_uint64_t) (i); \
+#define DUK__TVAL_SET_U32(tv,i) do { \
+ (tv)->ull[DUK_DBL_IDX_ULL0] = (((duk_uint64_t) DUK_TAG_FASTINT) << 48) | (duk_uint64_t) (i); \
} while (0)
#endif
-#define DUK__TVAL_SET_FASTINT_I32(v,i) do { \
+/* This needs to go through a cast because sign extension is needed. */
+#define DUK__TVAL_SET_I32(tv,i) do { \
duk_int64_t duk__tmp = (duk_int64_t) (i); \
- DUK_TVAL_SET_FASTINT((v), duk__tmp); \
+ DUK_TVAL_SET_I48((tv), duk__tmp); \
} while (0)
-/* XXX: clumsy sign extend and masking of 16 topmost bits */
+/* XXX: Clumsy sign extend and masking of 16 topmost bits. */
#if defined(DUK_USE_DOUBLE_ME)
-#define DUK__TVAL_GET_FASTINT(v) (((duk_int64_t) ((((duk_uint64_t) (v)->ui[DUK_DBL_IDX_UI0]) << 32) | ((duk_uint64_t) (v)->ui[DUK_DBL_IDX_UI1]))) << 16 >> 16)
+#define DUK__TVAL_GET_FASTINT(tv) (((duk_int64_t) ((((duk_uint64_t) (tv)->ui[DUK_DBL_IDX_UI0]) << 32) | ((duk_uint64_t) (tv)->ui[DUK_DBL_IDX_UI1]))) << 16 >> 16)
#else
-#define DUK__TVAL_GET_FASTINT(v) ((((duk_int64_t) (v)->ull[DUK_DBL_IDX_ULL0]) << 16) >> 16)
+#define DUK__TVAL_GET_FASTINT(tv) ((((duk_int64_t) (tv)->ull[DUK_DBL_IDX_ULL0]) << 16) >> 16)
#endif
-#define DUK__TVAL_GET_FASTINT_U32(v) ((v)->ui[DUK_DBL_IDX_UI1])
-#define DUK__TVAL_GET_FASTINT_I32(v) ((duk_int32_t) (v)->ui[DUK_DBL_IDX_UI1])
+#define DUK__TVAL_GET_FASTINT_U32(tv) ((tv)->ui[DUK_DBL_IDX_UI1])
+#define DUK__TVAL_GET_FASTINT_I32(tv) ((duk_int32_t) (tv)->ui[DUK_DBL_IDX_UI1])
#endif /* DUK_USE_FASTINT */
-#define DUK_TVAL_SET_UNDEFINED(v) do { \
- (v)->us[DUK_DBL_IDX_US0] = (duk_uint16_t) DUK_TAG_UNDEFINED; \
+#define DUK_TVAL_SET_UNDEFINED(tv) do { \
+ (tv)->us[DUK_DBL_IDX_US0] = (duk_uint16_t) DUK_TAG_UNDEFINED; \
} while (0)
-#define DUK_TVAL_SET_UNUSED(v) do { \
- (v)->us[DUK_DBL_IDX_US0] = (duk_uint16_t) DUK_TAG_UNUSED; \
+#define DUK_TVAL_SET_UNUSED(tv) do { \
+ (tv)->us[DUK_DBL_IDX_US0] = (duk_uint16_t) DUK_TAG_UNUSED; \
} while (0)
-#define DUK_TVAL_SET_NULL(v) do { \
- (v)->us[DUK_DBL_IDX_US0] = (duk_uint16_t) DUK_TAG_NULL; \
+#define DUK_TVAL_SET_NULL(tv) do { \
+ (tv)->us[DUK_DBL_IDX_US0] = (duk_uint16_t) DUK_TAG_NULL; \
} while (0)
-#define DUK_TVAL_SET_BOOLEAN(v,val) DUK_DBLUNION_SET_HIGH32((v), (((duk_uint32_t) DUK_TAG_BOOLEAN) << 16) | ((duk_uint32_t) (val)))
+#define DUK_TVAL_SET_BOOLEAN(tv,val) DUK_DBLUNION_SET_HIGH32((tv), (((duk_uint32_t) DUK_TAG_BOOLEAN) << 16) | ((duk_uint32_t) (val)))
-#define DUK_TVAL_SET_NAN(v) DUK_DBLUNION_SET_NAN_FULL((v))
+#define DUK_TVAL_SET_NAN(tv) DUK_DBLUNION_SET_NAN_FULL((tv))
/* Assumes that caller has normalized NaNs, otherwise trouble ahead. */
#if defined(DUK_USE_FASTINT)
-#define DUK_TVAL_SET_DOUBLE(v,d) do { \
+#define DUK_TVAL_SET_DOUBLE(tv,d) do { \
duk_double_t duk__dblval; \
duk__dblval = (d); \
DUK_ASSERT_DOUBLE_IS_NORMALIZED(duk__dblval); \
- DUK_DBLUNION_SET_DOUBLE((v), duk__dblval); \
+ DUK_DBLUNION_SET_DOUBLE((tv), duk__dblval); \
} while (0)
-#define DUK_TVAL_SET_FASTINT(v,i) DUK__TVAL_SET_FASTINT((v), (i))
-#define DUK_TVAL_SET_FASTINT_I32(v,i) DUK__TVAL_SET_FASTINT_I32((v), (i))
-#define DUK_TVAL_SET_FASTINT_U32(v,i) DUK__TVAL_SET_FASTINT_U32((v), (i))
-#define DUK_TVAL_SET_NUMBER_CHKFAST(v,d) duk_tval_set_number_chkfast((v), (d))
-#define DUK_TVAL_SET_NUMBER(v,d) DUK_TVAL_SET_DOUBLE((v), (d))
-#define DUK_TVAL_CHKFAST_INPLACE(v) do { \
+#define DUK_TVAL_SET_I48(tv,i) DUK__TVAL_SET_I48((tv), (i))
+#define DUK_TVAL_SET_I32(tv,i) DUK__TVAL_SET_I32((tv), (i))
+#define DUK_TVAL_SET_U32(tv,i) DUK__TVAL_SET_U32((tv), (i))
+#define DUK_TVAL_SET_NUMBER_CHKFAST_FAST(tv,d) duk_tval_set_number_chkfast_fast((tv), (d))
+#define DUK_TVAL_SET_NUMBER_CHKFAST_SLOW(tv,d) duk_tval_set_number_chkfast_slow((tv), (d))
+#define DUK_TVAL_SET_NUMBER(tv,d) DUK_TVAL_SET_DOUBLE((tv), (d))
+#define DUK_TVAL_CHKFAST_INPLACE_FAST(tv) do { \
duk_tval *duk__tv; \
duk_double_t duk__d; \
- duk__tv = (v); \
+ duk__tv = (tv); \
if (DUK_TVAL_IS_DOUBLE(duk__tv)) { \
duk__d = DUK_TVAL_GET_DOUBLE(duk__tv); \
- DUK_TVAL_SET_NUMBER_CHKFAST(duk__tv, duk__d); \
+ DUK_TVAL_SET_NUMBER_CHKFAST_FAST(duk__tv, duk__d); \
} \
} while (0)
-#else
-#define DUK_TVAL_SET_DOUBLE(v,d) do { \
+#define DUK_TVAL_CHKFAST_INPLACE_SLOW(tv) do { \
+ duk_tval *duk__tv; \
+ duk_double_t duk__d; \
+ duk__tv = (tv); \
+ if (DUK_TVAL_IS_DOUBLE(duk__tv)) { \
+ duk__d = DUK_TVAL_GET_DOUBLE(duk__tv); \
+ DUK_TVAL_SET_NUMBER_CHKFAST_SLOW(duk__tv, duk__d); \
+ } \
+ } while (0)
+#else /* DUK_USE_FASTINT */
+#define DUK_TVAL_SET_DOUBLE(tv,d) do { \
duk_double_t duk__dblval; \
duk__dblval = (d); \
DUK_ASSERT_DOUBLE_IS_NORMALIZED(duk__dblval); \
- DUK_DBLUNION_SET_DOUBLE((v), duk__dblval); \
+ DUK_DBLUNION_SET_DOUBLE((tv), duk__dblval); \
} while (0)
-#define DUK_TVAL_SET_FASTINT(v,i) DUK_TVAL_SET_DOUBLE((v), (duk_double_t) (i)) /* XXX: fast int-to-double */
-#define DUK_TVAL_SET_FASTINT_I32(v,i) DUK_TVAL_SET_DOUBLE((v), (duk_double_t) (i))
-#define DUK_TVAL_SET_FASTINT_U32(v,i) DUK_TVAL_SET_DOUBLE((v), (duk_double_t) (i))
-#define DUK_TVAL_SET_NUMBER_CHKFAST(v,d) DUK_TVAL_SET_DOUBLE((v), (d))
-#define DUK_TVAL_SET_NUMBER(v,d) DUK_TVAL_SET_DOUBLE((v), (d))
-#define DUK_TVAL_CHKFAST_INPLACE(v) do { } while (0)
-#endif
+#define DUK_TVAL_SET_I48(tv,i) DUK_TVAL_SET_DOUBLE((tv), (duk_double_t) (i)) /* XXX: fast int-to-double */
+#define DUK_TVAL_SET_I32(tv,i) DUK_TVAL_SET_DOUBLE((tv), (duk_double_t) (i))
+#define DUK_TVAL_SET_U32(tv,i) DUK_TVAL_SET_DOUBLE((tv), (duk_double_t) (i))
+#define DUK_TVAL_SET_NUMBER_CHKFAST_FAST(tv,d) DUK_TVAL_SET_DOUBLE((tv), (d))
+#define DUK_TVAL_SET_NUMBER_CHKFAST_SLOW(tv,d) DUK_TVAL_SET_DOUBLE((tv), (d))
+#define DUK_TVAL_SET_NUMBER(tv,d) DUK_TVAL_SET_DOUBLE((tv), (d))
+#define DUK_TVAL_CHKFAST_INPLACE_FAST(tv) do { } while (0)
+#define DUK_TVAL_CHKFAST_INPLACE_SLOW(tv) do { } while (0)
+#endif /* DUK_USE_FASTINT */
-#define DUK_TVAL_SET_LIGHTFUNC(v,fp,flags) DUK__TVAL_SET_LIGHTFUNC((v), (fp), (flags))
-#define DUK_TVAL_SET_STRING(v,h) DUK__TVAL_SET_TAGGEDPOINTER((v), (h), DUK_TAG_STRING)
-#define DUK_TVAL_SET_OBJECT(v,h) DUK__TVAL_SET_TAGGEDPOINTER((v), (h), DUK_TAG_OBJECT)
-#define DUK_TVAL_SET_BUFFER(v,h) DUK__TVAL_SET_TAGGEDPOINTER((v), (h), DUK_TAG_BUFFER)
-#define DUK_TVAL_SET_POINTER(v,p) DUK__TVAL_SET_TAGGEDPOINTER((v), (p), DUK_TAG_POINTER)
+#define DUK_TVAL_SET_FASTINT(tv,i) DUK_TVAL_SET_I48((tv), (i)) /* alias */
-#define DUK_TVAL_SET_TVAL(v,x) do { *(v) = *(x); } while (0)
+#define DUK_TVAL_SET_LIGHTFUNC(tv,fp,flags) DUK__TVAL_SET_LIGHTFUNC((tv), (fp), (flags))
+#define DUK_TVAL_SET_STRING(tv,h) DUK__TVAL_SET_TAGGEDPOINTER((tv), (h), DUK_TAG_STRING)
+#define DUK_TVAL_SET_OBJECT(tv,h) DUK__TVAL_SET_TAGGEDPOINTER((tv), (h), DUK_TAG_OBJECT)
+#define DUK_TVAL_SET_BUFFER(tv,h) DUK__TVAL_SET_TAGGEDPOINTER((tv), (h), DUK_TAG_BUFFER)
+#define DUK_TVAL_SET_POINTER(tv,p) DUK__TVAL_SET_TAGGEDPOINTER((tv), (p), DUK_TAG_POINTER)
+
+#define DUK_TVAL_SET_TVAL(tv,x) do { *(tv) = *(x); } while (0)
/* getters */
-#define DUK_TVAL_GET_BOOLEAN(v) ((int) (v)->us[DUK_DBL_IDX_US1])
+#define DUK_TVAL_GET_BOOLEAN(tv) ((duk_small_int_t) (tv)->us[DUK_DBL_IDX_US1])
#if defined(DUK_USE_FASTINT)
-#define DUK_TVAL_GET_DOUBLE(v) ((v)->d)
-#define DUK_TVAL_GET_FASTINT(v) DUK__TVAL_GET_FASTINT((v))
-#define DUK_TVAL_GET_FASTINT_U32(v) DUK__TVAL_GET_FASTINT_U32((v))
-#define DUK_TVAL_GET_FASTINT_I32(v) DUK__TVAL_GET_FASTINT_I32((v))
-#define DUK_TVAL_GET_NUMBER(v) duk_tval_get_number_packed((v))
+#define DUK_TVAL_GET_DOUBLE(tv) ((tv)->d)
+#define DUK_TVAL_GET_FASTINT(tv) DUK__TVAL_GET_FASTINT((tv))
+#define DUK_TVAL_GET_FASTINT_U32(tv) DUK__TVAL_GET_FASTINT_U32((tv))
+#define DUK_TVAL_GET_FASTINT_I32(tv) DUK__TVAL_GET_FASTINT_I32((tv))
+#define DUK_TVAL_GET_NUMBER(tv) duk_tval_get_number_packed((tv))
#else
-#define DUK_TVAL_GET_NUMBER(v) ((v)->d)
-#define DUK_TVAL_GET_DOUBLE(v) ((v)->d)
+#define DUK_TVAL_GET_NUMBER(tv) ((tv)->d)
+#define DUK_TVAL_GET_DOUBLE(tv) ((tv)->d)
#endif
-#define DUK_TVAL_GET_LIGHTFUNC(v,out_fp,out_flags) do { \
- (out_flags) = (v)->ui[DUK_DBL_IDX_UI0] & 0xffffUL; \
- (out_fp) = (duk_c_function) (v)->ui[DUK_DBL_IDX_UI1]; \
+#define DUK_TVAL_GET_LIGHTFUNC(tv,out_fp,out_flags) do { \
+ (out_flags) = (tv)->ui[DUK_DBL_IDX_UI0] & 0xffffUL; \
+ (out_fp) = (duk_c_function) (tv)->ui[DUK_DBL_IDX_UI1]; \
} while (0)
-#define DUK_TVAL_GET_LIGHTFUNC_FUNCPTR(v) ((duk_c_function) ((v)->ui[DUK_DBL_IDX_UI1]))
-#define DUK_TVAL_GET_LIGHTFUNC_FLAGS(v) (((int) (v)->ui[DUK_DBL_IDX_UI0]) & 0xffffUL)
-#define DUK_TVAL_GET_STRING(v) ((duk_hstring *) (v)->vp[DUK_DBL_IDX_VP1])
-#define DUK_TVAL_GET_OBJECT(v) ((duk_hobject *) (v)->vp[DUK_DBL_IDX_VP1])
-#define DUK_TVAL_GET_BUFFER(v) ((duk_hbuffer *) (v)->vp[DUK_DBL_IDX_VP1])
-#define DUK_TVAL_GET_POINTER(v) ((void *) (v)->vp[DUK_DBL_IDX_VP1])
-#define DUK_TVAL_GET_HEAPHDR(v) ((duk_heaphdr *) (v)->vp[DUK_DBL_IDX_VP1])
+#define DUK_TVAL_GET_LIGHTFUNC_FUNCPTR(tv) ((duk_c_function) ((tv)->ui[DUK_DBL_IDX_UI1]))
+#define DUK_TVAL_GET_LIGHTFUNC_FLAGS(tv) (((duk_small_int_t) (tv)->ui[DUK_DBL_IDX_UI0]) & 0xffffUL)
+#define DUK_TVAL_GET_STRING(tv) ((duk_hstring *) (tv)->vp[DUK_DBL_IDX_VP1])
+#define DUK_TVAL_GET_OBJECT(tv) ((duk_hobject *) (tv)->vp[DUK_DBL_IDX_VP1])
+#define DUK_TVAL_GET_BUFFER(tv) ((duk_hbuffer *) (tv)->vp[DUK_DBL_IDX_VP1])
+#define DUK_TVAL_GET_POINTER(tv) ((void *) (tv)->vp[DUK_DBL_IDX_VP1])
+#define DUK_TVAL_GET_HEAPHDR(tv) ((duk_heaphdr *) (tv)->vp[DUK_DBL_IDX_VP1])
/* decoding */
-#define DUK_TVAL_GET_TAG(v) ((duk_small_uint_t) (v)->us[DUK_DBL_IDX_US0])
-
-#define DUK_TVAL_IS_UNDEFINED(v) (DUK_TVAL_GET_TAG((v)) == DUK_TAG_UNDEFINED)
-#define DUK_TVAL_IS_UNUSED(v) (DUK_TVAL_GET_TAG((v)) == DUK_TAG_UNUSED)
-#define DUK_TVAL_IS_NULL(v) (DUK_TVAL_GET_TAG((v)) == DUK_TAG_NULL)
-#define DUK_TVAL_IS_BOOLEAN(v) (DUK_TVAL_GET_TAG((v)) == DUK_TAG_BOOLEAN)
-#define DUK_TVAL_IS_BOOLEAN_TRUE(v) ((v)->ui[DUK_DBL_IDX_UI0] == DUK_XTAG_BOOLEAN_TRUE)
-#define DUK_TVAL_IS_BOOLEAN_FALSE(v) ((v)->ui[DUK_DBL_IDX_UI0] == DUK_XTAG_BOOLEAN_FALSE)
-#define DUK_TVAL_IS_LIGHTFUNC(v) (DUK_TVAL_GET_TAG((v)) == DUK_TAG_LIGHTFUNC)
-#define DUK_TVAL_IS_STRING(v) (DUK_TVAL_GET_TAG((v)) == DUK_TAG_STRING)
-#define DUK_TVAL_IS_OBJECT(v) (DUK_TVAL_GET_TAG((v)) == DUK_TAG_OBJECT)
-#define DUK_TVAL_IS_BUFFER(v) (DUK_TVAL_GET_TAG((v)) == DUK_TAG_BUFFER)
-#define DUK_TVAL_IS_POINTER(v) (DUK_TVAL_GET_TAG((v)) == DUK_TAG_POINTER)
+#define DUK_TVAL_GET_TAG(tv) ((duk_small_uint_t) (tv)->us[DUK_DBL_IDX_US0])
+
+#define DUK_TVAL_IS_UNDEFINED(tv) (DUK_TVAL_GET_TAG((tv)) == DUK_TAG_UNDEFINED)
+#define DUK_TVAL_IS_UNUSED(tv) (DUK_TVAL_GET_TAG((tv)) == DUK_TAG_UNUSED)
+#define DUK_TVAL_IS_NULL(tv) (DUK_TVAL_GET_TAG((tv)) == DUK_TAG_NULL)
+#define DUK_TVAL_IS_BOOLEAN(tv) (DUK_TVAL_GET_TAG((tv)) == DUK_TAG_BOOLEAN)
+#define DUK_TVAL_IS_BOOLEAN_TRUE(tv) ((tv)->ui[DUK_DBL_IDX_UI0] == DUK_XTAG_BOOLEAN_TRUE)
+#define DUK_TVAL_IS_BOOLEAN_FALSE(tv) ((tv)->ui[DUK_DBL_IDX_UI0] == DUK_XTAG_BOOLEAN_FALSE)
+#define DUK_TVAL_IS_LIGHTFUNC(tv) (DUK_TVAL_GET_TAG((tv)) == DUK_TAG_LIGHTFUNC)
+#define DUK_TVAL_IS_STRING(tv) (DUK_TVAL_GET_TAG((tv)) == DUK_TAG_STRING)
+#define DUK_TVAL_IS_OBJECT(tv) (DUK_TVAL_GET_TAG((tv)) == DUK_TAG_OBJECT)
+#define DUK_TVAL_IS_BUFFER(tv) (DUK_TVAL_GET_TAG((tv)) == DUK_TAG_BUFFER)
+#define DUK_TVAL_IS_POINTER(tv) (DUK_TVAL_GET_TAG((tv)) == DUK_TAG_POINTER)
#if defined(DUK_USE_FASTINT)
/* 0xfff0 is -Infinity */
-#define DUK_TVAL_IS_DOUBLE(v) (DUK_TVAL_GET_TAG((v)) <= 0xfff0UL)
-#define DUK_TVAL_IS_FASTINT(v) (DUK_TVAL_GET_TAG((v)) == DUK_TAG_FASTINT)
-#define DUK_TVAL_IS_NUMBER(v) (DUK_TVAL_GET_TAG((v)) <= 0xfff1UL)
+#define DUK_TVAL_IS_DOUBLE(tv) (DUK_TVAL_GET_TAG((tv)) <= 0xfff0UL)
+#define DUK_TVAL_IS_FASTINT(tv) (DUK_TVAL_GET_TAG((tv)) == DUK_TAG_FASTINT)
+#define DUK_TVAL_IS_NUMBER(tv) (DUK_TVAL_GET_TAG((tv)) <= 0xfff1UL)
#else
-#define DUK_TVAL_IS_NUMBER(v) (DUK_TVAL_GET_TAG((v)) <= 0xfff0UL)
-#define DUK_TVAL_IS_DOUBLE(v) DUK_TVAL_IS_NUMBER((v))
+#define DUK_TVAL_IS_NUMBER(tv) (DUK_TVAL_GET_TAG((tv)) <= 0xfff0UL)
+#define DUK_TVAL_IS_DOUBLE(tv) DUK_TVAL_IS_NUMBER((tv))
#endif
/* This is performance critical because it appears in every DECREF. */
-#define DUK_TVAL_IS_HEAP_ALLOCATED(v) (DUK_TVAL_GET_TAG((v)) >= DUK_TAG_STRING)
+#define DUK_TVAL_IS_HEAP_ALLOCATED(tv) (DUK_TVAL_GET_TAG((tv)) >= DUK_TAG_STRING)
#if defined(DUK_USE_FASTINT)
DUK_INTERNAL_DECL duk_double_t duk_tval_get_number_packed(duk_tval *tv);
@@ -633,8 +690,8 @@ struct duk_tval_struct {
void *voidptr;
duk_hstring *hstring;
duk_hobject *hobject;
- duk_hcompiledfunction *hcompiledfunction;
- duk_hnativefunction *hnativefunction;
+ duk_hcompfunc *hcompfunc;
+ duk_hnatfunc *hnatfunc;
duk_hthread *hthread;
duk_hbuffer *hbuffer;
duk_heaphdr *heaphdr;
@@ -642,7 +699,22 @@ struct duk_tval_struct {
} v;
};
-#define DUK__TAG_NUMBER 0 /* not exposed */
+typedef struct {
+ duk_small_uint_t t;
+ duk_small_uint_t v_extra;
+ /* The rest of the fields don't matter except for debug dumps and such
+ * for which a partial initializer may trigger out-ot-bounds memory
+ * reads. Include a double field which is usually as large or larger
+ * than pointers (not always however).
+ */
+ duk_double_t d;
+} duk_tval_unused;
+
+#define DUK_TVAL_UNUSED_INITIALIZER() \
+ { DUK_TAG_UNUSED, 0, 0.0 }
+
+#define DUK_TAG_MIN 0
+#define DUK_TAG_NUMBER 0 /* DUK_TAG_NUMBER only defined for non-packed duk_tval */
#if defined(DUK_USE_FASTINT)
#define DUK_TAG_FASTINT 1
#endif
@@ -655,8 +727,12 @@ struct duk_tval_struct {
#define DUK_TAG_STRING 8 /* first heap allocated, match bit boundary */
#define DUK_TAG_OBJECT 9
#define DUK_TAG_BUFFER 10
+#define DUK_TAG_MAX 10
-/* DUK__TAG_NUMBER is intentionally first, as it is the default clause in code
+#define DUK_TVAL_IS_VALID_TAG(tv) \
+ (DUK_TVAL_GET_TAG((tv)) - DUK_TAG_MIN <= DUK_TAG_MAX - DUK_TAG_MIN)
+
+/* DUK_TAG_NUMBER is intentionally first, as it is the default clause in code
* to support the 8-byte representation. Further, it is a non-heap-allocated
* type so it should come before DUK_TAG_STRING. Finally, it should not break
* the tag value ranges covered by case-clauses in a switch-case.
@@ -664,103 +740,156 @@ struct duk_tval_struct {
/* setters */
#define DUK_TVAL_SET_UNDEFINED(tv) do { \
- (tv)->t = DUK_TAG_UNDEFINED; \
+ duk_tval *duk__tv; \
+ duk__tv = (tv); \
+ duk__tv->t = DUK_TAG_UNDEFINED; \
} while (0)
#define DUK_TVAL_SET_UNUSED(tv) do { \
- (tv)->t = DUK_TAG_UNUSED; \
+ duk_tval *duk__tv; \
+ duk__tv = (tv); \
+ duk__tv->t = DUK_TAG_UNUSED; \
} while (0)
#define DUK_TVAL_SET_NULL(tv) do { \
- (tv)->t = DUK_TAG_NULL; \
+ duk_tval *duk__tv; \
+ duk__tv = (tv); \
+ duk__tv->t = DUK_TAG_NULL; \
} while (0)
#define DUK_TVAL_SET_BOOLEAN(tv,val) do { \
- (tv)->t = DUK_TAG_BOOLEAN; \
- (tv)->v.i = (val); \
+ duk_tval *duk__tv; \
+ duk__tv = (tv); \
+ duk__tv->t = DUK_TAG_BOOLEAN; \
+ duk__tv->v.i = (val); \
} while (0)
#if defined(DUK_USE_FASTINT)
#define DUK_TVAL_SET_DOUBLE(tv,val) do { \
- (tv)->t = DUK__TAG_NUMBER; \
- (tv)->v.d = (val); \
+ duk_tval *duk__tv; \
+ duk_double_t duk__dblval; \
+ duk__dblval = (val); \
+ DUK_ASSERT_DOUBLE_IS_NORMALIZED(duk__dblval); /* nop for unpacked duk_tval */ \
+ duk__tv = (tv); \
+ duk__tv->t = DUK_TAG_NUMBER; \
+ duk__tv->v.d = duk__dblval; \
} while (0)
-#define DUK_TVAL_SET_FASTINT(tv,val) do { \
- (tv)->t = DUK_TAG_FASTINT; \
- (tv)->v.fi = (val); \
+#define DUK_TVAL_SET_I48(tv,val) do { \
+ duk_tval *duk__tv; \
+ duk__tv = (tv); \
+ duk__tv->t = DUK_TAG_FASTINT; \
+ duk__tv->v.fi = (val); \
} while (0)
-#define DUK_TVAL_SET_FASTINT_U32(tv,val) do { \
- (tv)->t = DUK_TAG_FASTINT; \
- (tv)->v.fi = (duk_int64_t) (val); \
+#define DUK_TVAL_SET_U32(tv,val) do { \
+ duk_tval *duk__tv; \
+ duk__tv = (tv); \
+ duk__tv->t = DUK_TAG_FASTINT; \
+ duk__tv->v.fi = (duk_int64_t) (val); \
} while (0)
-#define DUK_TVAL_SET_FASTINT_I32(tv,val) do { \
- (tv)->t = DUK_TAG_FASTINT; \
- (tv)->v.fi = (duk_int64_t) (val); \
+#define DUK_TVAL_SET_I32(tv,val) do { \
+ duk_tval *duk__tv; \
+ duk__tv = (tv); \
+ duk__tv->t = DUK_TAG_FASTINT; \
+ duk__tv->v.fi = (duk_int64_t) (val); \
} while (0)
-#define DUK_TVAL_SET_NUMBER_CHKFAST(tv,d) \
- duk_tval_set_number_chkfast((tv), (d))
+#define DUK_TVAL_SET_NUMBER_CHKFAST_FAST(tv,d) \
+ duk_tval_set_number_chkfast_fast((tv), (d))
+#define DUK_TVAL_SET_NUMBER_CHKFAST_SLOW(tv,d) \
+ duk_tval_set_number_chkfast_slow((tv), (d))
#define DUK_TVAL_SET_NUMBER(tv,val) \
DUK_TVAL_SET_DOUBLE((tv), (val))
-#define DUK_TVAL_CHKFAST_INPLACE(v) do { \
+#define DUK_TVAL_CHKFAST_INPLACE_FAST(tv) do { \
duk_tval *duk__tv; \
duk_double_t duk__d; \
- duk__tv = (v); \
+ duk__tv = (tv); \
if (DUK_TVAL_IS_DOUBLE(duk__tv)) { \
duk__d = DUK_TVAL_GET_DOUBLE(duk__tv); \
- DUK_TVAL_SET_NUMBER_CHKFAST(duk__tv, duk__d); \
+ DUK_TVAL_SET_NUMBER_CHKFAST_FAST(duk__tv, duk__d); \
} \
} while (0)
-#else
+#define DUK_TVAL_CHKFAST_INPLACE_SLOW(tv) do { \
+ duk_tval *duk__tv; \
+ duk_double_t duk__d; \
+ duk__tv = (tv); \
+ if (DUK_TVAL_IS_DOUBLE(duk__tv)) { \
+ duk__d = DUK_TVAL_GET_DOUBLE(duk__tv); \
+ DUK_TVAL_SET_NUMBER_CHKFAST_SLOW(duk__tv, duk__d); \
+ } \
+ } while (0)
+#else /* DUK_USE_FASTINT */
#define DUK_TVAL_SET_DOUBLE(tv,d) \
DUK_TVAL_SET_NUMBER((tv), (d))
-#define DUK_TVAL_SET_FASTINT(tv,val) \
+#define DUK_TVAL_SET_I48(tv,val) \
DUK_TVAL_SET_NUMBER((tv), (duk_double_t) (val)) /* XXX: fast int-to-double */
-#define DUK_TVAL_SET_FASTINT_U32(tv,val) \
+#define DUK_TVAL_SET_U32(tv,val) \
DUK_TVAL_SET_NUMBER((tv), (duk_double_t) (val))
-#define DUK_TVAL_SET_FASTINT_I32(tv,val) \
+#define DUK_TVAL_SET_I32(tv,val) \
DUK_TVAL_SET_NUMBER((tv), (duk_double_t) (val))
#define DUK_TVAL_SET_NUMBER(tv,val) do { \
- (tv)->t = DUK__TAG_NUMBER; \
- (tv)->v.d = (val); \
+ duk_tval *duk__tv; \
+ duk_double_t duk__dblval; \
+ duk__dblval = (val); \
+ DUK_ASSERT_DOUBLE_IS_NORMALIZED(duk__dblval); /* nop for unpacked duk_tval */ \
+ duk__tv = (tv); \
+ duk__tv->t = DUK_TAG_NUMBER; \
+ duk__tv->v.d = duk__dblval; \
} while (0)
-#define DUK_TVAL_SET_NUMBER_CHKFAST(tv,d) \
+#define DUK_TVAL_SET_NUMBER_CHKFAST_FAST(tv,d) \
+ DUK_TVAL_SET_NUMBER((tv), (d))
+#define DUK_TVAL_SET_NUMBER_CHKFAST_SLOW(tv,d) \
DUK_TVAL_SET_NUMBER((tv), (d))
-#define DUK_TVAL_CHKFAST_INPLACE(v) do { } while (0)
+#define DUK_TVAL_CHKFAST_INPLACE_FAST(tv) do { } while (0)
+#define DUK_TVAL_CHKFAST_INPLACE_SLOW(tv) do { } while (0)
#endif /* DUK_USE_FASTINT */
+#define DUK_TVAL_SET_FASTINT(tv,i) \
+ DUK_TVAL_SET_I48((tv), (i)) /* alias */
+
#define DUK_TVAL_SET_POINTER(tv,hptr) do { \
- (tv)->t = DUK_TAG_POINTER; \
- (tv)->v.voidptr = (hptr); \
+ duk_tval *duk__tv; \
+ duk__tv = (tv); \
+ duk__tv->t = DUK_TAG_POINTER; \
+ duk__tv->v.voidptr = (hptr); \
} while (0)
#define DUK_TVAL_SET_LIGHTFUNC(tv,fp,flags) do { \
- (tv)->t = DUK_TAG_LIGHTFUNC; \
- (tv)->v_extra = (flags); \
- (tv)->v.lightfunc = (duk_c_function) (fp); \
+ duk_tval *duk__tv; \
+ duk__tv = (tv); \
+ duk__tv->t = DUK_TAG_LIGHTFUNC; \
+ duk__tv->v_extra = (flags); \
+ duk__tv->v.lightfunc = (duk_c_function) (fp); \
} while (0)
#define DUK_TVAL_SET_STRING(tv,hptr) do { \
- (tv)->t = DUK_TAG_STRING; \
- (tv)->v.hstring = (hptr); \
+ duk_tval *duk__tv; \
+ duk__tv = (tv); \
+ duk__tv->t = DUK_TAG_STRING; \
+ duk__tv->v.hstring = (hptr); \
} while (0)
#define DUK_TVAL_SET_OBJECT(tv,hptr) do { \
- (tv)->t = DUK_TAG_OBJECT; \
- (tv)->v.hobject = (hptr); \
+ duk_tval *duk__tv; \
+ duk__tv = (tv); \
+ duk__tv->t = DUK_TAG_OBJECT; \
+ duk__tv->v.hobject = (hptr); \
} while (0)
#define DUK_TVAL_SET_BUFFER(tv,hptr) do { \
- (tv)->t = DUK_TAG_BUFFER; \
- (tv)->v.hbuffer = (hptr); \
+ duk_tval *duk__tv; \
+ duk__tv = (tv); \
+ duk__tv->t = DUK_TAG_BUFFER; \
+ duk__tv->v.hbuffer = (hptr); \
} while (0)
#define DUK_TVAL_SET_NAN(tv) do { \
/* in non-packed representation we don't care about which NaN is used */ \
- (tv)->t = DUK__TAG_NUMBER; \
- (tv)->v.d = DUK_DOUBLE_NAN; \
+ duk_tval *duk__tv; \
+ duk__tv = (tv); \
+ duk__tv->t = DUK_TAG_NUMBER; \
+ duk__tv->v.d = DUK_DOUBLE_NAN; \
} while (0)
-#define DUK_TVAL_SET_TVAL(v,x) do { *(v) = *(x); } while (0)
+#define DUK_TVAL_SET_TVAL(tv,x) do { *(tv) = *(x); } while (0)
/* getters */
#define DUK_TVAL_GET_BOOLEAN(tv) ((tv)->v.i)
@@ -805,13 +934,13 @@ struct duk_tval_struct {
#define DUK_TVAL_IS_BOOLEAN_TRUE(tv) (((tv)->t == DUK_TAG_BOOLEAN) && ((tv)->v.i != 0))
#define DUK_TVAL_IS_BOOLEAN_FALSE(tv) (((tv)->t == DUK_TAG_BOOLEAN) && ((tv)->v.i == 0))
#if defined(DUK_USE_FASTINT)
-#define DUK_TVAL_IS_DOUBLE(tv) ((tv)->t == DUK__TAG_NUMBER)
+#define DUK_TVAL_IS_DOUBLE(tv) ((tv)->t == DUK_TAG_NUMBER)
#define DUK_TVAL_IS_FASTINT(tv) ((tv)->t == DUK_TAG_FASTINT)
-#define DUK_TVAL_IS_NUMBER(tv) ((tv)->t == DUK__TAG_NUMBER || \
+#define DUK_TVAL_IS_NUMBER(tv) ((tv)->t == DUK_TAG_NUMBER || \
(tv)->t == DUK_TAG_FASTINT)
#else
-#define DUK_TVAL_IS_NUMBER(tv) ((tv)->t == DUK__TAG_NUMBER)
-#define DUK_TVAL_IS_DOUBLE(v) DUK_TVAL_IS_NUMBER((v))
+#define DUK_TVAL_IS_NUMBER(tv) ((tv)->t == DUK_TAG_NUMBER)
+#define DUK_TVAL_IS_DOUBLE(tv) DUK_TVAL_IS_NUMBER((tv))
#endif /* DUK_USE_FASTINT */
#define DUK_TVAL_IS_POINTER(tv) ((tv)->t == DUK_TAG_POINTER)
#define DUK_TVAL_IS_LIGHTFUNC(tv) ((tv)->t == DUK_TAG_LIGHTFUNC)
@@ -842,13 +971,18 @@ DUK_INTERNAL_DECL duk_double_t duk_tval_get_number_unpacked_fastint(duk_tval *tv
* Convenience (independent of representation)
*/
-#define DUK_TVAL_SET_BOOLEAN_TRUE(v) DUK_TVAL_SET_BOOLEAN(v, 1)
-#define DUK_TVAL_SET_BOOLEAN_FALSE(v) DUK_TVAL_SET_BOOLEAN(v, 0)
+#define DUK_TVAL_SET_BOOLEAN_TRUE(tv) DUK_TVAL_SET_BOOLEAN((tv), 1)
+#define DUK_TVAL_SET_BOOLEAN_FALSE(tv) DUK_TVAL_SET_BOOLEAN((tv), 0)
+
+#define DUK_TVAL_STRING_IS_SYMBOL(tv) \
+ DUK_HSTRING_HAS_SYMBOL(DUK_TVAL_GET_STRING((tv)))
/* Lightfunc flags packing and unpacking. */
-/* Sign extend: 0x0000##00 -> 0x##000000 -> sign extend to 0xssssss## */
+/* Sign extend: 0x0000##00 -> 0x##000000 -> sign extend to 0xssssss##.
+ * Avoid signed shifts due to portability limitations.
+ */
#define DUK_LFUNC_FLAGS_GET_MAGIC(lf_flags) \
- ((((duk_int32_t) (lf_flags)) << 16) >> 24)
+ ((duk_int32_t) (duk_int8_t) (((duk_uint16_t) (lf_flags)) >> 8))
#define DUK_LFUNC_FLAGS_GET_LENGTH(lf_flags) \
(((lf_flags) >> 4) & 0x0f)
#define DUK_LFUNC_FLAGS_GET_NARGS(lf_flags) \
@@ -870,20 +1004,21 @@ DUK_INTERNAL_DECL duk_double_t duk_tval_get_number_unpacked_fastint(duk_tval *tv
#define DUK_FASTINT_MAX 0x7fffffffffffLL
#define DUK_FASTINT_BITS 48
-DUK_INTERNAL_DECL void duk_tval_set_number_chkfast(duk_tval *tv, duk_double_t x);
+DUK_INTERNAL_DECL void duk_tval_set_number_chkfast_fast(duk_tval *tv, duk_double_t x);
+DUK_INTERNAL_DECL void duk_tval_set_number_chkfast_slow(duk_tval *tv, duk_double_t x);
#endif
#endif /* DUK_TVAL_H_INCLUDED */
-#line 1 "duk_builtins.h"
+/* #include duk_builtins.h */
/*
* Automatically generated by genbuiltins.py, do not edit!
*/
-#ifndef DUK_BUILTINS_H_INCLUDED
+#if !defined(DUK_BUILTINS_H_INCLUDED)
#define DUK_BUILTINS_H_INCLUDED
#if defined(DUK_USE_ROM_STRINGS)
-#error ROM support not enabled, rerun make_dist.py with --rom-support
+#error ROM support not enabled, rerun configure.py with --rom-support
#else /* DUK_USE_ROM_STRINGS */
#define DUK_STRIDX_UC_UNDEFINED 0 /* 'Undefined' */
#define DUK_HEAP_STRING_UC_UNDEFINED(heap) DUK_HEAP_GET_STRING((heap),DUK_STRIDX_UC_UNDEFINED)
@@ -891,102 +1026,102 @@ DUK_INTERNAL_DECL void duk_tval_set_number_chkfast(duk_tval *tv, duk_double_t x)
#define DUK_STRIDX_UC_NULL 1 /* 'Null' */
#define DUK_HEAP_STRING_UC_NULL(heap) DUK_HEAP_GET_STRING((heap),DUK_STRIDX_UC_NULL)
#define DUK_HTHREAD_STRING_UC_NULL(thr) DUK_HTHREAD_GET_STRING((thr),DUK_STRIDX_UC_NULL)
-#define DUK_STRIDX_UC_ARGUMENTS 2 /* 'Arguments' */
+#define DUK_STRIDX_UC_SYMBOL 2 /* 'Symbol' */
+#define DUK_HEAP_STRING_UC_SYMBOL(heap) DUK_HEAP_GET_STRING((heap),DUK_STRIDX_UC_SYMBOL)
+#define DUK_HTHREAD_STRING_UC_SYMBOL(thr) DUK_HTHREAD_GET_STRING((thr),DUK_STRIDX_UC_SYMBOL)
+#define DUK_STRIDX_UC_ARGUMENTS 3 /* 'Arguments' */
#define DUK_HEAP_STRING_UC_ARGUMENTS(heap) DUK_HEAP_GET_STRING((heap),DUK_STRIDX_UC_ARGUMENTS)
#define DUK_HTHREAD_STRING_UC_ARGUMENTS(thr) DUK_HTHREAD_GET_STRING((thr),DUK_STRIDX_UC_ARGUMENTS)
-#define DUK_STRIDX_UC_OBJECT 3 /* 'Object' */
+#define DUK_STRIDX_UC_OBJECT 4 /* 'Object' */
#define DUK_HEAP_STRING_UC_OBJECT(heap) DUK_HEAP_GET_STRING((heap),DUK_STRIDX_UC_OBJECT)
#define DUK_HTHREAD_STRING_UC_OBJECT(thr) DUK_HTHREAD_GET_STRING((thr),DUK_STRIDX_UC_OBJECT)
-#define DUK_STRIDX_UC_FUNCTION 4 /* 'Function' */
+#define DUK_STRIDX_UC_FUNCTION 5 /* 'Function' */
#define DUK_HEAP_STRING_UC_FUNCTION(heap) DUK_HEAP_GET_STRING((heap),DUK_STRIDX_UC_FUNCTION)
#define DUK_HTHREAD_STRING_UC_FUNCTION(thr) DUK_HTHREAD_GET_STRING((thr),DUK_STRIDX_UC_FUNCTION)
-#define DUK_STRIDX_ARRAY 5 /* 'Array' */
+#define DUK_STRIDX_ARRAY 6 /* 'Array' */
#define DUK_HEAP_STRING_ARRAY(heap) DUK_HEAP_GET_STRING((heap),DUK_STRIDX_ARRAY)
#define DUK_HTHREAD_STRING_ARRAY(thr) DUK_HTHREAD_GET_STRING((thr),DUK_STRIDX_ARRAY)
-#define DUK_STRIDX_UC_STRING 6 /* 'String' */
+#define DUK_STRIDX_UC_STRING 7 /* 'String' */
#define DUK_HEAP_STRING_UC_STRING(heap) DUK_HEAP_GET_STRING((heap),DUK_STRIDX_UC_STRING)
#define DUK_HTHREAD_STRING_UC_STRING(thr) DUK_HTHREAD_GET_STRING((thr),DUK_STRIDX_UC_STRING)
-#define DUK_STRIDX_UC_BOOLEAN 7 /* 'Boolean' */
+#define DUK_STRIDX_UC_BOOLEAN 8 /* 'Boolean' */
#define DUK_HEAP_STRING_UC_BOOLEAN(heap) DUK_HEAP_GET_STRING((heap),DUK_STRIDX_UC_BOOLEAN)
#define DUK_HTHREAD_STRING_UC_BOOLEAN(thr) DUK_HTHREAD_GET_STRING((thr),DUK_STRIDX_UC_BOOLEAN)
-#define DUK_STRIDX_UC_NUMBER 8 /* 'Number' */
+#define DUK_STRIDX_UC_NUMBER 9 /* 'Number' */
#define DUK_HEAP_STRING_UC_NUMBER(heap) DUK_HEAP_GET_STRING((heap),DUK_STRIDX_UC_NUMBER)
#define DUK_HTHREAD_STRING_UC_NUMBER(thr) DUK_HTHREAD_GET_STRING((thr),DUK_STRIDX_UC_NUMBER)
-#define DUK_STRIDX_DATE 9 /* 'Date' */
+#define DUK_STRIDX_DATE 10 /* 'Date' */
#define DUK_HEAP_STRING_DATE(heap) DUK_HEAP_GET_STRING((heap),DUK_STRIDX_DATE)
#define DUK_HTHREAD_STRING_DATE(thr) DUK_HTHREAD_GET_STRING((thr),DUK_STRIDX_DATE)
-#define DUK_STRIDX_REG_EXP 10 /* 'RegExp' */
+#define DUK_STRIDX_REG_EXP 11 /* 'RegExp' */
#define DUK_HEAP_STRING_REG_EXP(heap) DUK_HEAP_GET_STRING((heap),DUK_STRIDX_REG_EXP)
#define DUK_HTHREAD_STRING_REG_EXP(thr) DUK_HTHREAD_GET_STRING((thr),DUK_STRIDX_REG_EXP)
-#define DUK_STRIDX_UC_ERROR 11 /* 'Error' */
+#define DUK_STRIDX_UC_ERROR 12 /* 'Error' */
#define DUK_HEAP_STRING_UC_ERROR(heap) DUK_HEAP_GET_STRING((heap),DUK_STRIDX_UC_ERROR)
#define DUK_HTHREAD_STRING_UC_ERROR(thr) DUK_HTHREAD_GET_STRING((thr),DUK_STRIDX_UC_ERROR)
-#define DUK_STRIDX_MATH 12 /* 'Math' */
+#define DUK_STRIDX_MATH 13 /* 'Math' */
#define DUK_HEAP_STRING_MATH(heap) DUK_HEAP_GET_STRING((heap),DUK_STRIDX_MATH)
#define DUK_HTHREAD_STRING_MATH(thr) DUK_HTHREAD_GET_STRING((thr),DUK_STRIDX_MATH)
-#define DUK_STRIDX_JSON 13 /* 'JSON' */
+#define DUK_STRIDX_JSON 14 /* 'JSON' */
#define DUK_HEAP_STRING_JSON(heap) DUK_HEAP_GET_STRING((heap),DUK_STRIDX_JSON)
#define DUK_HTHREAD_STRING_JSON(thr) DUK_HTHREAD_GET_STRING((thr),DUK_STRIDX_JSON)
-#define DUK_STRIDX_EMPTY_STRING 14 /* '' */
+#define DUK_STRIDX_EMPTY_STRING 15 /* '' */
#define DUK_HEAP_STRING_EMPTY_STRING(heap) DUK_HEAP_GET_STRING((heap),DUK_STRIDX_EMPTY_STRING)
#define DUK_HTHREAD_STRING_EMPTY_STRING(thr) DUK_HTHREAD_GET_STRING((thr),DUK_STRIDX_EMPTY_STRING)
-#define DUK_STRIDX_ARRAY_BUFFER 15 /* 'ArrayBuffer' */
+#define DUK_STRIDX_ARRAY_BUFFER 16 /* 'ArrayBuffer' */
#define DUK_HEAP_STRING_ARRAY_BUFFER(heap) DUK_HEAP_GET_STRING((heap),DUK_STRIDX_ARRAY_BUFFER)
#define DUK_HTHREAD_STRING_ARRAY_BUFFER(thr) DUK_HTHREAD_GET_STRING((thr),DUK_STRIDX_ARRAY_BUFFER)
-#define DUK_STRIDX_DATA_VIEW 16 /* 'DataView' */
+#define DUK_STRIDX_DATA_VIEW 17 /* 'DataView' */
#define DUK_HEAP_STRING_DATA_VIEW(heap) DUK_HEAP_GET_STRING((heap),DUK_STRIDX_DATA_VIEW)
#define DUK_HTHREAD_STRING_DATA_VIEW(thr) DUK_HTHREAD_GET_STRING((thr),DUK_STRIDX_DATA_VIEW)
-#define DUK_STRIDX_INT8_ARRAY 17 /* 'Int8Array' */
+#define DUK_STRIDX_INT8_ARRAY 18 /* 'Int8Array' */
#define DUK_HEAP_STRING_INT8_ARRAY(heap) DUK_HEAP_GET_STRING((heap),DUK_STRIDX_INT8_ARRAY)
#define DUK_HTHREAD_STRING_INT8_ARRAY(thr) DUK_HTHREAD_GET_STRING((thr),DUK_STRIDX_INT8_ARRAY)
-#define DUK_STRIDX_UINT8_ARRAY 18 /* 'Uint8Array' */
+#define DUK_STRIDX_UINT8_ARRAY 19 /* 'Uint8Array' */
#define DUK_HEAP_STRING_UINT8_ARRAY(heap) DUK_HEAP_GET_STRING((heap),DUK_STRIDX_UINT8_ARRAY)
#define DUK_HTHREAD_STRING_UINT8_ARRAY(thr) DUK_HTHREAD_GET_STRING((thr),DUK_STRIDX_UINT8_ARRAY)
-#define DUK_STRIDX_UINT8_CLAMPED_ARRAY 19 /* 'Uint8ClampedArray' */
+#define DUK_STRIDX_UINT8_CLAMPED_ARRAY 20 /* 'Uint8ClampedArray' */
#define DUK_HEAP_STRING_UINT8_CLAMPED_ARRAY(heap) DUK_HEAP_GET_STRING((heap),DUK_STRIDX_UINT8_CLAMPED_ARRAY)
#define DUK_HTHREAD_STRING_UINT8_CLAMPED_ARRAY(thr) DUK_HTHREAD_GET_STRING((thr),DUK_STRIDX_UINT8_CLAMPED_ARRAY)
-#define DUK_STRIDX_INT16_ARRAY 20 /* 'Int16Array' */
+#define DUK_STRIDX_INT16_ARRAY 21 /* 'Int16Array' */
#define DUK_HEAP_STRING_INT16_ARRAY(heap) DUK_HEAP_GET_STRING((heap),DUK_STRIDX_INT16_ARRAY)
#define DUK_HTHREAD_STRING_INT16_ARRAY(thr) DUK_HTHREAD_GET_STRING((thr),DUK_STRIDX_INT16_ARRAY)
-#define DUK_STRIDX_UINT16_ARRAY 21 /* 'Uint16Array' */
+#define DUK_STRIDX_UINT16_ARRAY 22 /* 'Uint16Array' */
#define DUK_HEAP_STRING_UINT16_ARRAY(heap) DUK_HEAP_GET_STRING((heap),DUK_STRIDX_UINT16_ARRAY)
#define DUK_HTHREAD_STRING_UINT16_ARRAY(thr) DUK_HTHREAD_GET_STRING((thr),DUK_STRIDX_UINT16_ARRAY)
-#define DUK_STRIDX_INT32_ARRAY 22 /* 'Int32Array' */
+#define DUK_STRIDX_INT32_ARRAY 23 /* 'Int32Array' */
#define DUK_HEAP_STRING_INT32_ARRAY(heap) DUK_HEAP_GET_STRING((heap),DUK_STRIDX_INT32_ARRAY)
#define DUK_HTHREAD_STRING_INT32_ARRAY(thr) DUK_HTHREAD_GET_STRING((thr),DUK_STRIDX_INT32_ARRAY)
-#define DUK_STRIDX_UINT32_ARRAY 23 /* 'Uint32Array' */
+#define DUK_STRIDX_UINT32_ARRAY 24 /* 'Uint32Array' */
#define DUK_HEAP_STRING_UINT32_ARRAY(heap) DUK_HEAP_GET_STRING((heap),DUK_STRIDX_UINT32_ARRAY)
#define DUK_HTHREAD_STRING_UINT32_ARRAY(thr) DUK_HTHREAD_GET_STRING((thr),DUK_STRIDX_UINT32_ARRAY)
-#define DUK_STRIDX_FLOAT32_ARRAY 24 /* 'Float32Array' */
+#define DUK_STRIDX_FLOAT32_ARRAY 25 /* 'Float32Array' */
#define DUK_HEAP_STRING_FLOAT32_ARRAY(heap) DUK_HEAP_GET_STRING((heap),DUK_STRIDX_FLOAT32_ARRAY)
#define DUK_HTHREAD_STRING_FLOAT32_ARRAY(thr) DUK_HTHREAD_GET_STRING((thr),DUK_STRIDX_FLOAT32_ARRAY)
-#define DUK_STRIDX_FLOAT64_ARRAY 25 /* 'Float64Array' */
+#define DUK_STRIDX_FLOAT64_ARRAY 26 /* 'Float64Array' */
#define DUK_HEAP_STRING_FLOAT64_ARRAY(heap) DUK_HEAP_GET_STRING((heap),DUK_STRIDX_FLOAT64_ARRAY)
#define DUK_HTHREAD_STRING_FLOAT64_ARRAY(thr) DUK_HTHREAD_GET_STRING((thr),DUK_STRIDX_FLOAT64_ARRAY)
-#define DUK_STRIDX_GLOBAL 26 /* 'global' */
+#define DUK_STRIDX_GLOBAL 27 /* 'global' */
#define DUK_HEAP_STRING_GLOBAL(heap) DUK_HEAP_GET_STRING((heap),DUK_STRIDX_GLOBAL)
#define DUK_HTHREAD_STRING_GLOBAL(thr) DUK_HTHREAD_GET_STRING((thr),DUK_STRIDX_GLOBAL)
-#define DUK_STRIDX_OBJ_ENV 27 /* 'ObjEnv' */
+#define DUK_STRIDX_OBJ_ENV 28 /* 'ObjEnv' */
#define DUK_HEAP_STRING_OBJ_ENV(heap) DUK_HEAP_GET_STRING((heap),DUK_STRIDX_OBJ_ENV)
#define DUK_HTHREAD_STRING_OBJ_ENV(thr) DUK_HTHREAD_GET_STRING((thr),DUK_STRIDX_OBJ_ENV)
-#define DUK_STRIDX_DEC_ENV 28 /* 'DecEnv' */
+#define DUK_STRIDX_DEC_ENV 29 /* 'DecEnv' */
#define DUK_HEAP_STRING_DEC_ENV(heap) DUK_HEAP_GET_STRING((heap),DUK_STRIDX_DEC_ENV)
#define DUK_HTHREAD_STRING_DEC_ENV(thr) DUK_HTHREAD_GET_STRING((thr),DUK_STRIDX_DEC_ENV)
-#define DUK_STRIDX_UC_BUFFER 29 /* 'Buffer' */
+#define DUK_STRIDX_UC_BUFFER 30 /* 'Buffer' */
#define DUK_HEAP_STRING_UC_BUFFER(heap) DUK_HEAP_GET_STRING((heap),DUK_STRIDX_UC_BUFFER)
#define DUK_HTHREAD_STRING_UC_BUFFER(thr) DUK_HTHREAD_GET_STRING((thr),DUK_STRIDX_UC_BUFFER)
-#define DUK_STRIDX_UC_POINTER 30 /* 'Pointer' */
+#define DUK_STRIDX_UC_POINTER 31 /* 'Pointer' */
#define DUK_HEAP_STRING_UC_POINTER(heap) DUK_HEAP_GET_STRING((heap),DUK_STRIDX_UC_POINTER)
#define DUK_HTHREAD_STRING_UC_POINTER(thr) DUK_HTHREAD_GET_STRING((thr),DUK_STRIDX_UC_POINTER)
-#define DUK_STRIDX_UC_THREAD 31 /* 'Thread' */
+#define DUK_STRIDX_UC_THREAD 32 /* 'Thread' */
#define DUK_HEAP_STRING_UC_THREAD(heap) DUK_HEAP_GET_STRING((heap),DUK_STRIDX_UC_THREAD)
#define DUK_HTHREAD_STRING_UC_THREAD(thr) DUK_HTHREAD_GET_STRING((thr),DUK_STRIDX_UC_THREAD)
-#define DUK_STRIDX_EVAL 32 /* 'eval' */
+#define DUK_STRIDX_EVAL 33 /* 'eval' */
#define DUK_HEAP_STRING_EVAL(heap) DUK_HEAP_GET_STRING((heap),DUK_STRIDX_EVAL)
#define DUK_HTHREAD_STRING_EVAL(thr) DUK_HTHREAD_GET_STRING((thr),DUK_STRIDX_EVAL)
-#define DUK_STRIDX_DEFINE_PROPERTY 33 /* 'defineProperty' */
-#define DUK_HEAP_STRING_DEFINE_PROPERTY(heap) DUK_HEAP_GET_STRING((heap),DUK_STRIDX_DEFINE_PROPERTY)
-#define DUK_HTHREAD_STRING_DEFINE_PROPERTY(thr) DUK_HTHREAD_GET_STRING((thr),DUK_STRIDX_DEFINE_PROPERTY)
#define DUK_STRIDX_VALUE 34 /* 'value' */
#define DUK_HEAP_STRING_VALUE(heap) DUK_HEAP_GET_STRING((heap),DUK_STRIDX_VALUE)
#define DUK_HTHREAD_STRING_VALUE(thr) DUK_HTHREAD_GET_STRING((thr),DUK_STRIDX_VALUE)
@@ -1029,9 +1164,9 @@ DUK_INTERNAL_DECL void duk_tval_set_number_chkfast(duk_tval *tv, duk_double_t x)
#define DUK_STRIDX_LAST_INDEX 47 /* 'lastIndex' */
#define DUK_HEAP_STRING_LAST_INDEX(heap) DUK_HEAP_GET_STRING((heap),DUK_STRIDX_LAST_INDEX)
#define DUK_HTHREAD_STRING_LAST_INDEX(thr) DUK_HTHREAD_GET_STRING((thr),DUK_STRIDX_LAST_INDEX)
-#define DUK_STRIDX_ESCAPED_EMPTY_REGEXP 48 /* '(?:)' */
-#define DUK_HEAP_STRING_ESCAPED_EMPTY_REGEXP(heap) DUK_HEAP_GET_STRING((heap),DUK_STRIDX_ESCAPED_EMPTY_REGEXP)
-#define DUK_HTHREAD_STRING_ESCAPED_EMPTY_REGEXP(thr) DUK_HTHREAD_GET_STRING((thr),DUK_STRIDX_ESCAPED_EMPTY_REGEXP)
+#define DUK_STRIDX_FLAGS 48 /* 'flags' */
+#define DUK_HEAP_STRING_FLAGS(heap) DUK_HEAP_GET_STRING((heap),DUK_STRIDX_FLAGS)
+#define DUK_HTHREAD_STRING_FLAGS(thr) DUK_HTHREAD_GET_STRING((thr),DUK_STRIDX_FLAGS)
#define DUK_STRIDX_INDEX 49 /* 'index' */
#define DUK_HEAP_STRING_INDEX(heap) DUK_HEAP_GET_STRING((heap),DUK_STRIDX_INDEX)
#define DUK_HTHREAD_STRING_INDEX(thr) DUK_HTHREAD_GET_STRING((thr),DUK_STRIDX_INDEX)
@@ -1053,30 +1188,30 @@ DUK_INTERNAL_DECL void duk_tval_set_number_chkfast(duk_tval *tv, duk_double_t x)
#define DUK_STRIDX_LC_STRING 55 /* 'string' */
#define DUK_HEAP_STRING_LC_STRING(heap) DUK_HEAP_GET_STRING((heap),DUK_STRIDX_LC_STRING)
#define DUK_HTHREAD_STRING_LC_STRING(thr) DUK_HTHREAD_GET_STRING((thr),DUK_STRIDX_LC_STRING)
-#define DUK_STRIDX_LC_OBJECT 56 /* 'object' */
+#define DUK_STRIDX_LC_SYMBOL 56 /* 'symbol' */
+#define DUK_HEAP_STRING_LC_SYMBOL(heap) DUK_HEAP_GET_STRING((heap),DUK_STRIDX_LC_SYMBOL)
+#define DUK_HTHREAD_STRING_LC_SYMBOL(thr) DUK_HTHREAD_GET_STRING((thr),DUK_STRIDX_LC_SYMBOL)
+#define DUK_STRIDX_LC_OBJECT 57 /* 'object' */
#define DUK_HEAP_STRING_LC_OBJECT(heap) DUK_HEAP_GET_STRING((heap),DUK_STRIDX_LC_OBJECT)
#define DUK_HTHREAD_STRING_LC_OBJECT(thr) DUK_HTHREAD_GET_STRING((thr),DUK_STRIDX_LC_OBJECT)
-#define DUK_STRIDX_LC_UNDEFINED 57 /* 'undefined' */
+#define DUK_STRIDX_LC_UNDEFINED 58 /* 'undefined' */
#define DUK_HEAP_STRING_LC_UNDEFINED(heap) DUK_HEAP_GET_STRING((heap),DUK_STRIDX_LC_UNDEFINED)
#define DUK_HTHREAD_STRING_LC_UNDEFINED(thr) DUK_HTHREAD_GET_STRING((thr),DUK_STRIDX_LC_UNDEFINED)
-#define DUK_STRIDX_NAN 58 /* 'NaN' */
+#define DUK_STRIDX_NAN 59 /* 'NaN' */
#define DUK_HEAP_STRING_NAN(heap) DUK_HEAP_GET_STRING((heap),DUK_STRIDX_NAN)
#define DUK_HTHREAD_STRING_NAN(thr) DUK_HTHREAD_GET_STRING((thr),DUK_STRIDX_NAN)
-#define DUK_STRIDX_INFINITY 59 /* 'Infinity' */
+#define DUK_STRIDX_INFINITY 60 /* 'Infinity' */
#define DUK_HEAP_STRING_INFINITY(heap) DUK_HEAP_GET_STRING((heap),DUK_STRIDX_INFINITY)
#define DUK_HTHREAD_STRING_INFINITY(thr) DUK_HTHREAD_GET_STRING((thr),DUK_STRIDX_INFINITY)
-#define DUK_STRIDX_MINUS_INFINITY 60 /* '-Infinity' */
+#define DUK_STRIDX_MINUS_INFINITY 61 /* '-Infinity' */
#define DUK_HEAP_STRING_MINUS_INFINITY(heap) DUK_HEAP_GET_STRING((heap),DUK_STRIDX_MINUS_INFINITY)
#define DUK_HTHREAD_STRING_MINUS_INFINITY(thr) DUK_HTHREAD_GET_STRING((thr),DUK_STRIDX_MINUS_INFINITY)
-#define DUK_STRIDX_MINUS_ZERO 61 /* '-0' */
+#define DUK_STRIDX_MINUS_ZERO 62 /* '-0' */
#define DUK_HEAP_STRING_MINUS_ZERO(heap) DUK_HEAP_GET_STRING((heap),DUK_STRIDX_MINUS_ZERO)
#define DUK_HTHREAD_STRING_MINUS_ZERO(thr) DUK_HTHREAD_GET_STRING((thr),DUK_STRIDX_MINUS_ZERO)
-#define DUK_STRIDX_COMMA 62 /* ',' */
+#define DUK_STRIDX_COMMA 63 /* ',' */
#define DUK_HEAP_STRING_COMMA(heap) DUK_HEAP_GET_STRING((heap),DUK_STRIDX_COMMA)
#define DUK_HTHREAD_STRING_COMMA(thr) DUK_HTHREAD_GET_STRING((thr),DUK_STRIDX_COMMA)
-#define DUK_STRIDX_SPACE 63 /* ' ' */
-#define DUK_HEAP_STRING_SPACE(heap) DUK_HEAP_GET_STRING((heap),DUK_STRIDX_SPACE)
-#define DUK_HTHREAD_STRING_SPACE(thr) DUK_HTHREAD_GET_STRING((thr),DUK_STRIDX_SPACE)
#define DUK_STRIDX_NEWLINE_4SPACE 64 /* '\n ' */
#define DUK_HEAP_STRING_NEWLINE_4SPACE(heap) DUK_HEAP_GET_STRING((heap),DUK_STRIDX_NEWLINE_4SPACE)
#define DUK_HTHREAD_STRING_NEWLINE_4SPACE(thr) DUK_HTHREAD_GET_STRING((thr),DUK_STRIDX_NEWLINE_4SPACE)
@@ -1095,388 +1230,316 @@ DUK_INTERNAL_DECL void duk_tval_set_number_chkfast(duk_tval *tv, duk_double_t x)
#define DUK_STRIDX_CALLER 69 /* 'caller' */
#define DUK_HEAP_STRING_CALLER(heap) DUK_HEAP_GET_STRING((heap),DUK_STRIDX_CALLER)
#define DUK_HTHREAD_STRING_CALLER(thr) DUK_HTHREAD_GET_STRING((thr),DUK_STRIDX_CALLER)
-#define DUK_STRIDX_HAS 70 /* 'has' */
-#define DUK_HEAP_STRING_HAS(heap) DUK_HEAP_GET_STRING((heap),DUK_STRIDX_HAS)
-#define DUK_HTHREAD_STRING_HAS(thr) DUK_HTHREAD_GET_STRING((thr),DUK_STRIDX_HAS)
+#define DUK_STRIDX_DELETE_PROPERTY 70 /* 'deleteProperty' */
+#define DUK_HEAP_STRING_DELETE_PROPERTY(heap) DUK_HEAP_GET_STRING((heap),DUK_STRIDX_DELETE_PROPERTY)
+#define DUK_HTHREAD_STRING_DELETE_PROPERTY(thr) DUK_HTHREAD_GET_STRING((thr),DUK_STRIDX_DELETE_PROPERTY)
#define DUK_STRIDX_GET 71 /* 'get' */
#define DUK_HEAP_STRING_GET(heap) DUK_HEAP_GET_STRING((heap),DUK_STRIDX_GET)
#define DUK_HTHREAD_STRING_GET(thr) DUK_HTHREAD_GET_STRING((thr),DUK_STRIDX_GET)
-#define DUK_STRIDX_DELETE_PROPERTY 72 /* 'deleteProperty' */
-#define DUK_HEAP_STRING_DELETE_PROPERTY(heap) DUK_HEAP_GET_STRING((heap),DUK_STRIDX_DELETE_PROPERTY)
-#define DUK_HTHREAD_STRING_DELETE_PROPERTY(thr) DUK_HTHREAD_GET_STRING((thr),DUK_STRIDX_DELETE_PROPERTY)
-#define DUK_STRIDX_ENUMERATE 73 /* 'enumerate' */
-#define DUK_HEAP_STRING_ENUMERATE(heap) DUK_HEAP_GET_STRING((heap),DUK_STRIDX_ENUMERATE)
-#define DUK_HTHREAD_STRING_ENUMERATE(thr) DUK_HTHREAD_GET_STRING((thr),DUK_STRIDX_ENUMERATE)
-#define DUK_STRIDX_OWN_KEYS 74 /* 'ownKeys' */
+#define DUK_STRIDX_HAS 72 /* 'has' */
+#define DUK_HEAP_STRING_HAS(heap) DUK_HEAP_GET_STRING((heap),DUK_STRIDX_HAS)
+#define DUK_HTHREAD_STRING_HAS(thr) DUK_HTHREAD_GET_STRING((thr),DUK_STRIDX_HAS)
+#define DUK_STRIDX_OWN_KEYS 73 /* 'ownKeys' */
#define DUK_HEAP_STRING_OWN_KEYS(heap) DUK_HEAP_GET_STRING((heap),DUK_STRIDX_OWN_KEYS)
#define DUK_HTHREAD_STRING_OWN_KEYS(thr) DUK_HTHREAD_GET_STRING((thr),DUK_STRIDX_OWN_KEYS)
-#define DUK_STRIDX_SET_PROTOTYPE_OF 75 /* 'setPrototypeOf' */
+#define DUK_STRIDX_SET_PROTOTYPE_OF 74 /* 'setPrototypeOf' */
#define DUK_HEAP_STRING_SET_PROTOTYPE_OF(heap) DUK_HEAP_GET_STRING((heap),DUK_STRIDX_SET_PROTOTYPE_OF)
#define DUK_HTHREAD_STRING_SET_PROTOTYPE_OF(thr) DUK_HTHREAD_GET_STRING((thr),DUK_STRIDX_SET_PROTOTYPE_OF)
-#define DUK_STRIDX___PROTO__ 76 /* '__proto__' */
+#define DUK_STRIDX___PROTO__ 75 /* '__proto__' */
#define DUK_HEAP_STRING___PROTO__(heap) DUK_HEAP_GET_STRING((heap),DUK_STRIDX___PROTO__)
#define DUK_HTHREAD_STRING___PROTO__(thr) DUK_HTHREAD_GET_STRING((thr),DUK_STRIDX___PROTO__)
-#define DUK_STRIDX_REQUIRE 77 /* 'require' */
-#define DUK_HEAP_STRING_REQUIRE(heap) DUK_HEAP_GET_STRING((heap),DUK_STRIDX_REQUIRE)
-#define DUK_HTHREAD_STRING_REQUIRE(thr) DUK_HTHREAD_GET_STRING((thr),DUK_STRIDX_REQUIRE)
-#define DUK_STRIDX_ID 78 /* 'id' */
-#define DUK_HEAP_STRING_ID(heap) DUK_HEAP_GET_STRING((heap),DUK_STRIDX_ID)
-#define DUK_HTHREAD_STRING_ID(thr) DUK_HTHREAD_GET_STRING((thr),DUK_STRIDX_ID)
-#define DUK_STRIDX_EXPORTS 79 /* 'exports' */
-#define DUK_HEAP_STRING_EXPORTS(heap) DUK_HEAP_GET_STRING((heap),DUK_STRIDX_EXPORTS)
-#define DUK_HTHREAD_STRING_EXPORTS(thr) DUK_HTHREAD_GET_STRING((thr),DUK_STRIDX_EXPORTS)
-#define DUK_STRIDX_FILENAME 80 /* 'filename' */
-#define DUK_HEAP_STRING_FILENAME(heap) DUK_HEAP_GET_STRING((heap),DUK_STRIDX_FILENAME)
-#define DUK_HTHREAD_STRING_FILENAME(thr) DUK_HTHREAD_GET_STRING((thr),DUK_STRIDX_FILENAME)
-#define DUK_STRIDX_TO_STRING 81 /* 'toString' */
+#define DUK_STRIDX_TO_STRING 76 /* 'toString' */
#define DUK_HEAP_STRING_TO_STRING(heap) DUK_HEAP_GET_STRING((heap),DUK_STRIDX_TO_STRING)
#define DUK_HTHREAD_STRING_TO_STRING(thr) DUK_HTHREAD_GET_STRING((thr),DUK_STRIDX_TO_STRING)
-#define DUK_STRIDX_TO_JSON 82 /* 'toJSON' */
+#define DUK_STRIDX_TO_JSON 77 /* 'toJSON' */
#define DUK_HEAP_STRING_TO_JSON(heap) DUK_HEAP_GET_STRING((heap),DUK_STRIDX_TO_JSON)
#define DUK_HTHREAD_STRING_TO_JSON(thr) DUK_HTHREAD_GET_STRING((thr),DUK_STRIDX_TO_JSON)
-#define DUK_STRIDX_TYPE 83 /* 'type' */
+#define DUK_STRIDX_TYPE 78 /* 'type' */
#define DUK_HEAP_STRING_TYPE(heap) DUK_HEAP_GET_STRING((heap),DUK_STRIDX_TYPE)
#define DUK_HTHREAD_STRING_TYPE(thr) DUK_HTHREAD_GET_STRING((thr),DUK_STRIDX_TYPE)
-#define DUK_STRIDX_DATA 84 /* 'data' */
+#define DUK_STRIDX_DATA 79 /* 'data' */
#define DUK_HEAP_STRING_DATA(heap) DUK_HEAP_GET_STRING((heap),DUK_STRIDX_DATA)
#define DUK_HTHREAD_STRING_DATA(thr) DUK_HTHREAD_GET_STRING((thr),DUK_STRIDX_DATA)
-#define DUK_STRIDX_LENGTH 85 /* 'length' */
+#define DUK_STRIDX_LENGTH 80 /* 'length' */
#define DUK_HEAP_STRING_LENGTH(heap) DUK_HEAP_GET_STRING((heap),DUK_STRIDX_LENGTH)
#define DUK_HTHREAD_STRING_LENGTH(thr) DUK_HTHREAD_GET_STRING((thr),DUK_STRIDX_LENGTH)
-#define DUK_STRIDX_BYTE_LENGTH 86 /* 'byteLength' */
-#define DUK_HEAP_STRING_BYTE_LENGTH(heap) DUK_HEAP_GET_STRING((heap),DUK_STRIDX_BYTE_LENGTH)
-#define DUK_HTHREAD_STRING_BYTE_LENGTH(thr) DUK_HTHREAD_GET_STRING((thr),DUK_STRIDX_BYTE_LENGTH)
-#define DUK_STRIDX_BYTE_OFFSET 87 /* 'byteOffset' */
-#define DUK_HEAP_STRING_BYTE_OFFSET(heap) DUK_HEAP_GET_STRING((heap),DUK_STRIDX_BYTE_OFFSET)
-#define DUK_HTHREAD_STRING_BYTE_OFFSET(thr) DUK_HTHREAD_GET_STRING((thr),DUK_STRIDX_BYTE_OFFSET)
-#define DUK_STRIDX_BYTES_PER_ELEMENT 88 /* 'BYTES_PER_ELEMENT' */
-#define DUK_HEAP_STRING_BYTES_PER_ELEMENT(heap) DUK_HEAP_GET_STRING((heap),DUK_STRIDX_BYTES_PER_ELEMENT)
-#define DUK_HTHREAD_STRING_BYTES_PER_ELEMENT(thr) DUK_HTHREAD_GET_STRING((thr),DUK_STRIDX_BYTES_PER_ELEMENT)
-#define DUK_STRIDX_SET 89 /* 'set' */
+#define DUK_STRIDX_SET 81 /* 'set' */
#define DUK_HEAP_STRING_SET(heap) DUK_HEAP_GET_STRING((heap),DUK_STRIDX_SET)
#define DUK_HTHREAD_STRING_SET(thr) DUK_HTHREAD_GET_STRING((thr),DUK_STRIDX_SET)
-#define DUK_STRIDX_STACK 90 /* 'stack' */
+#define DUK_STRIDX_STACK 82 /* 'stack' */
#define DUK_HEAP_STRING_STACK(heap) DUK_HEAP_GET_STRING((heap),DUK_STRIDX_STACK)
#define DUK_HTHREAD_STRING_STACK(thr) DUK_HTHREAD_GET_STRING((thr),DUK_STRIDX_STACK)
-#define DUK_STRIDX_PC 91 /* 'pc' */
+#define DUK_STRIDX_PC 83 /* 'pc' */
#define DUK_HEAP_STRING_PC(heap) DUK_HEAP_GET_STRING((heap),DUK_STRIDX_PC)
#define DUK_HTHREAD_STRING_PC(thr) DUK_HTHREAD_GET_STRING((thr),DUK_STRIDX_PC)
-#define DUK_STRIDX_LINE_NUMBER 92 /* 'lineNumber' */
+#define DUK_STRIDX_LINE_NUMBER 84 /* 'lineNumber' */
#define DUK_HEAP_STRING_LINE_NUMBER(heap) DUK_HEAP_GET_STRING((heap),DUK_STRIDX_LINE_NUMBER)
#define DUK_HTHREAD_STRING_LINE_NUMBER(thr) DUK_HTHREAD_GET_STRING((thr),DUK_STRIDX_LINE_NUMBER)
-#define DUK_STRIDX_INT_TRACEDATA 93 /* '\xffTracedata' */
+#define DUK_STRIDX_INT_TRACEDATA 85 /* '\xffTracedata' */
#define DUK_HEAP_STRING_INT_TRACEDATA(heap) DUK_HEAP_GET_STRING((heap),DUK_STRIDX_INT_TRACEDATA)
#define DUK_HTHREAD_STRING_INT_TRACEDATA(thr) DUK_HTHREAD_GET_STRING((thr),DUK_STRIDX_INT_TRACEDATA)
-#define DUK_STRIDX_NAME 94 /* 'name' */
+#define DUK_STRIDX_NAME 86 /* 'name' */
#define DUK_HEAP_STRING_NAME(heap) DUK_HEAP_GET_STRING((heap),DUK_STRIDX_NAME)
#define DUK_HTHREAD_STRING_NAME(thr) DUK_HTHREAD_GET_STRING((thr),DUK_STRIDX_NAME)
-#define DUK_STRIDX_FILE_NAME 95 /* 'fileName' */
+#define DUK_STRIDX_FILE_NAME 87 /* 'fileName' */
#define DUK_HEAP_STRING_FILE_NAME(heap) DUK_HEAP_GET_STRING((heap),DUK_STRIDX_FILE_NAME)
#define DUK_HTHREAD_STRING_FILE_NAME(thr) DUK_HTHREAD_GET_STRING((thr),DUK_STRIDX_FILE_NAME)
-#define DUK_STRIDX_LC_BUFFER 96 /* 'buffer' */
-#define DUK_HEAP_STRING_LC_BUFFER(heap) DUK_HEAP_GET_STRING((heap),DUK_STRIDX_LC_BUFFER)
-#define DUK_HTHREAD_STRING_LC_BUFFER(thr) DUK_HTHREAD_GET_STRING((thr),DUK_STRIDX_LC_BUFFER)
-#define DUK_STRIDX_LC_POINTER 97 /* 'pointer' */
+#define DUK_STRIDX_LC_POINTER 88 /* 'pointer' */
#define DUK_HEAP_STRING_LC_POINTER(heap) DUK_HEAP_GET_STRING((heap),DUK_STRIDX_LC_POINTER)
#define DUK_HTHREAD_STRING_LC_POINTER(thr) DUK_HTHREAD_GET_STRING((thr),DUK_STRIDX_LC_POINTER)
-#define DUK_STRIDX_INT_VALUE 98 /* '\xffValue' */
+#define DUK_STRIDX_INT_VALUE 89 /* '\xffValue' */
#define DUK_HEAP_STRING_INT_VALUE(heap) DUK_HEAP_GET_STRING((heap),DUK_STRIDX_INT_VALUE)
#define DUK_HTHREAD_STRING_INT_VALUE(thr) DUK_HTHREAD_GET_STRING((thr),DUK_STRIDX_INT_VALUE)
-#define DUK_STRIDX_INT_NEXT 99 /* '\xffNext' */
+#define DUK_STRIDX_INT_NEXT 90 /* '\xffNext' */
#define DUK_HEAP_STRING_INT_NEXT(heap) DUK_HEAP_GET_STRING((heap),DUK_STRIDX_INT_NEXT)
#define DUK_HTHREAD_STRING_INT_NEXT(thr) DUK_HTHREAD_GET_STRING((thr),DUK_STRIDX_INT_NEXT)
-#define DUK_STRIDX_INT_BYTECODE 100 /* '\xffBytecode' */
+#define DUK_STRIDX_INT_BYTECODE 91 /* '\xffBytecode' */
#define DUK_HEAP_STRING_INT_BYTECODE(heap) DUK_HEAP_GET_STRING((heap),DUK_STRIDX_INT_BYTECODE)
#define DUK_HTHREAD_STRING_INT_BYTECODE(thr) DUK_HTHREAD_GET_STRING((thr),DUK_STRIDX_INT_BYTECODE)
-#define DUK_STRIDX_INT_FORMALS 101 /* '\xffFormals' */
+#define DUK_STRIDX_INT_FORMALS 92 /* '\xffFormals' */
#define DUK_HEAP_STRING_INT_FORMALS(heap) DUK_HEAP_GET_STRING((heap),DUK_STRIDX_INT_FORMALS)
#define DUK_HTHREAD_STRING_INT_FORMALS(thr) DUK_HTHREAD_GET_STRING((thr),DUK_STRIDX_INT_FORMALS)
-#define DUK_STRIDX_INT_VARMAP 102 /* '\xffVarmap' */
+#define DUK_STRIDX_INT_VARMAP 93 /* '\xffVarmap' */
#define DUK_HEAP_STRING_INT_VARMAP(heap) DUK_HEAP_GET_STRING((heap),DUK_STRIDX_INT_VARMAP)
#define DUK_HTHREAD_STRING_INT_VARMAP(thr) DUK_HTHREAD_GET_STRING((thr),DUK_STRIDX_INT_VARMAP)
-#define DUK_STRIDX_INT_LEXENV 103 /* '\xffLexenv' */
-#define DUK_HEAP_STRING_INT_LEXENV(heap) DUK_HEAP_GET_STRING((heap),DUK_STRIDX_INT_LEXENV)
-#define DUK_HTHREAD_STRING_INT_LEXENV(thr) DUK_HTHREAD_GET_STRING((thr),DUK_STRIDX_INT_LEXENV)
-#define DUK_STRIDX_INT_VARENV 104 /* '\xffVarenv' */
-#define DUK_HEAP_STRING_INT_VARENV(heap) DUK_HEAP_GET_STRING((heap),DUK_STRIDX_INT_VARENV)
-#define DUK_HTHREAD_STRING_INT_VARENV(thr) DUK_HTHREAD_GET_STRING((thr),DUK_STRIDX_INT_VARENV)
-#define DUK_STRIDX_INT_SOURCE 105 /* '\xffSource' */
+#define DUK_STRIDX_INT_SOURCE 94 /* '\xffSource' */
#define DUK_HEAP_STRING_INT_SOURCE(heap) DUK_HEAP_GET_STRING((heap),DUK_STRIDX_INT_SOURCE)
#define DUK_HTHREAD_STRING_INT_SOURCE(thr) DUK_HTHREAD_GET_STRING((thr),DUK_STRIDX_INT_SOURCE)
-#define DUK_STRIDX_INT_PC2LINE 106 /* '\xffPc2line' */
+#define DUK_STRIDX_INT_PC2LINE 95 /* '\xffPc2line' */
#define DUK_HEAP_STRING_INT_PC2LINE(heap) DUK_HEAP_GET_STRING((heap),DUK_STRIDX_INT_PC2LINE)
#define DUK_HTHREAD_STRING_INT_PC2LINE(thr) DUK_HTHREAD_GET_STRING((thr),DUK_STRIDX_INT_PC2LINE)
-#define DUK_STRIDX_INT_ARGS 107 /* '\xffArgs' */
+#define DUK_STRIDX_INT_ARGS 96 /* '\xffArgs' */
#define DUK_HEAP_STRING_INT_ARGS(heap) DUK_HEAP_GET_STRING((heap),DUK_STRIDX_INT_ARGS)
#define DUK_HTHREAD_STRING_INT_ARGS(thr) DUK_HTHREAD_GET_STRING((thr),DUK_STRIDX_INT_ARGS)
-#define DUK_STRIDX_INT_MAP 108 /* '\xffMap' */
+#define DUK_STRIDX_INT_MAP 97 /* '\xffMap' */
#define DUK_HEAP_STRING_INT_MAP(heap) DUK_HEAP_GET_STRING((heap),DUK_STRIDX_INT_MAP)
#define DUK_HTHREAD_STRING_INT_MAP(thr) DUK_HTHREAD_GET_STRING((thr),DUK_STRIDX_INT_MAP)
-#define DUK_STRIDX_INT_FINALIZER 109 /* '\xffFinalizer' */
+#define DUK_STRIDX_INT_VARENV 98 /* '\xffVarenv' */
+#define DUK_HEAP_STRING_INT_VARENV(heap) DUK_HEAP_GET_STRING((heap),DUK_STRIDX_INT_VARENV)
+#define DUK_HTHREAD_STRING_INT_VARENV(thr) DUK_HTHREAD_GET_STRING((thr),DUK_STRIDX_INT_VARENV)
+#define DUK_STRIDX_INT_FINALIZER 99 /* '\xffFinalizer' */
#define DUK_HEAP_STRING_INT_FINALIZER(heap) DUK_HEAP_GET_STRING((heap),DUK_STRIDX_INT_FINALIZER)
#define DUK_HTHREAD_STRING_INT_FINALIZER(thr) DUK_HTHREAD_GET_STRING((thr),DUK_STRIDX_INT_FINALIZER)
-#define DUK_STRIDX_INT_HANDLER 110 /* '\xffHandler' */
+#define DUK_STRIDX_INT_HANDLER 100 /* '\xffHandler' */
#define DUK_HEAP_STRING_INT_HANDLER(heap) DUK_HEAP_GET_STRING((heap),DUK_STRIDX_INT_HANDLER)
#define DUK_HTHREAD_STRING_INT_HANDLER(thr) DUK_HTHREAD_GET_STRING((thr),DUK_STRIDX_INT_HANDLER)
-#define DUK_STRIDX_INT_CALLEE 111 /* '\xffCallee' */
+#define DUK_STRIDX_INT_CALLEE 101 /* '\xffCallee' */
#define DUK_HEAP_STRING_INT_CALLEE(heap) DUK_HEAP_GET_STRING((heap),DUK_STRIDX_INT_CALLEE)
#define DUK_HTHREAD_STRING_INT_CALLEE(thr) DUK_HTHREAD_GET_STRING((thr),DUK_STRIDX_INT_CALLEE)
-#define DUK_STRIDX_INT_THREAD 112 /* '\xffThread' */
+#define DUK_STRIDX_INT_THREAD 102 /* '\xffThread' */
#define DUK_HEAP_STRING_INT_THREAD(heap) DUK_HEAP_GET_STRING((heap),DUK_STRIDX_INT_THREAD)
#define DUK_HTHREAD_STRING_INT_THREAD(thr) DUK_HTHREAD_GET_STRING((thr),DUK_STRIDX_INT_THREAD)
-#define DUK_STRIDX_INT_REGBASE 113 /* '\xffRegbase' */
+#define DUK_STRIDX_INT_REGBASE 103 /* '\xffRegbase' */
#define DUK_HEAP_STRING_INT_REGBASE(heap) DUK_HEAP_GET_STRING((heap),DUK_STRIDX_INT_REGBASE)
#define DUK_HTHREAD_STRING_INT_REGBASE(thr) DUK_HTHREAD_GET_STRING((thr),DUK_STRIDX_INT_REGBASE)
-#define DUK_STRIDX_INT_TARGET 114 /* '\xffTarget' */
+#define DUK_STRIDX_INT_TARGET 104 /* '\xffTarget' */
#define DUK_HEAP_STRING_INT_TARGET(heap) DUK_HEAP_GET_STRING((heap),DUK_STRIDX_INT_TARGET)
#define DUK_HTHREAD_STRING_INT_TARGET(thr) DUK_HTHREAD_GET_STRING((thr),DUK_STRIDX_INT_TARGET)
-#define DUK_STRIDX_INT_THIS 115 /* '\xffThis' */
+#define DUK_STRIDX_INT_THIS 105 /* '\xffThis' */
#define DUK_HEAP_STRING_INT_THIS(heap) DUK_HEAP_GET_STRING((heap),DUK_STRIDX_INT_THIS)
#define DUK_HTHREAD_STRING_INT_THIS(thr) DUK_HTHREAD_GET_STRING((thr),DUK_STRIDX_INT_THIS)
-#define DUK_STRIDX_COMPILE 116 /* 'compile' */
+#define DUK_STRIDX_COMPILE 106 /* 'compile' */
#define DUK_HEAP_STRING_COMPILE(heap) DUK_HEAP_GET_STRING((heap),DUK_STRIDX_COMPILE)
#define DUK_HTHREAD_STRING_COMPILE(thr) DUK_HTHREAD_GET_STRING((thr),DUK_STRIDX_COMPILE)
-#define DUK_STRIDX_INPUT 117 /* 'input' */
+#define DUK_STRIDX_INPUT 107 /* 'input' */
#define DUK_HEAP_STRING_INPUT(heap) DUK_HEAP_GET_STRING((heap),DUK_STRIDX_INPUT)
#define DUK_HTHREAD_STRING_INPUT(thr) DUK_HTHREAD_GET_STRING((thr),DUK_STRIDX_INPUT)
-#define DUK_STRIDX_ERR_CREATE 118 /* 'errCreate' */
+#define DUK_STRIDX_ERR_CREATE 108 /* 'errCreate' */
#define DUK_HEAP_STRING_ERR_CREATE(heap) DUK_HEAP_GET_STRING((heap),DUK_STRIDX_ERR_CREATE)
#define DUK_HTHREAD_STRING_ERR_CREATE(thr) DUK_HTHREAD_GET_STRING((thr),DUK_STRIDX_ERR_CREATE)
-#define DUK_STRIDX_ERR_THROW 119 /* 'errThrow' */
+#define DUK_STRIDX_ERR_THROW 109 /* 'errThrow' */
#define DUK_HEAP_STRING_ERR_THROW(heap) DUK_HEAP_GET_STRING((heap),DUK_STRIDX_ERR_THROW)
#define DUK_HTHREAD_STRING_ERR_THROW(thr) DUK_HTHREAD_GET_STRING((thr),DUK_STRIDX_ERR_THROW)
-#define DUK_STRIDX_MOD_SEARCH 120 /* 'modSearch' */
-#define DUK_HEAP_STRING_MOD_SEARCH(heap) DUK_HEAP_GET_STRING((heap),DUK_STRIDX_MOD_SEARCH)
-#define DUK_HTHREAD_STRING_MOD_SEARCH(thr) DUK_HTHREAD_GET_STRING((thr),DUK_STRIDX_MOD_SEARCH)
-#define DUK_STRIDX_MOD_LOADED 121 /* 'modLoaded' */
-#define DUK_HEAP_STRING_MOD_LOADED(heap) DUK_HEAP_GET_STRING((heap),DUK_STRIDX_MOD_LOADED)
-#define DUK_HTHREAD_STRING_MOD_LOADED(thr) DUK_HTHREAD_GET_STRING((thr),DUK_STRIDX_MOD_LOADED)
-#define DUK_STRIDX_ENV 122 /* 'env' */
+#define DUK_STRIDX_ENV 110 /* 'env' */
#define DUK_HEAP_STRING_ENV(heap) DUK_HEAP_GET_STRING((heap),DUK_STRIDX_ENV)
#define DUK_HTHREAD_STRING_ENV(thr) DUK_HTHREAD_GET_STRING((thr),DUK_STRIDX_ENV)
-#define DUK_STRIDX_HEX 123 /* 'hex' */
+#define DUK_STRIDX_HEX 111 /* 'hex' */
#define DUK_HEAP_STRING_HEX(heap) DUK_HEAP_GET_STRING((heap),DUK_STRIDX_HEX)
#define DUK_HTHREAD_STRING_HEX(thr) DUK_HTHREAD_GET_STRING((thr),DUK_STRIDX_HEX)
-#define DUK_STRIDX_BASE64 124 /* 'base64' */
+#define DUK_STRIDX_BASE64 112 /* 'base64' */
#define DUK_HEAP_STRING_BASE64(heap) DUK_HEAP_GET_STRING((heap),DUK_STRIDX_BASE64)
#define DUK_HTHREAD_STRING_BASE64(thr) DUK_HTHREAD_GET_STRING((thr),DUK_STRIDX_BASE64)
-#define DUK_STRIDX_JX 125 /* 'jx' */
+#define DUK_STRIDX_JX 113 /* 'jx' */
#define DUK_HEAP_STRING_JX(heap) DUK_HEAP_GET_STRING((heap),DUK_STRIDX_JX)
#define DUK_HTHREAD_STRING_JX(thr) DUK_HTHREAD_GET_STRING((thr),DUK_STRIDX_JX)
-#define DUK_STRIDX_JC 126 /* 'jc' */
+#define DUK_STRIDX_JC 114 /* 'jc' */
#define DUK_HEAP_STRING_JC(heap) DUK_HEAP_GET_STRING((heap),DUK_STRIDX_JC)
#define DUK_HTHREAD_STRING_JC(thr) DUK_HTHREAD_GET_STRING((thr),DUK_STRIDX_JC)
-#define DUK_STRIDX_RESUME 127 /* 'resume' */
+#define DUK_STRIDX_RESUME 115 /* 'resume' */
#define DUK_HEAP_STRING_RESUME(heap) DUK_HEAP_GET_STRING((heap),DUK_STRIDX_RESUME)
#define DUK_HTHREAD_STRING_RESUME(thr) DUK_HTHREAD_GET_STRING((thr),DUK_STRIDX_RESUME)
-#define DUK_STRIDX_FMT 128 /* 'fmt' */
-#define DUK_HEAP_STRING_FMT(heap) DUK_HEAP_GET_STRING((heap),DUK_STRIDX_FMT)
-#define DUK_HTHREAD_STRING_FMT(thr) DUK_HTHREAD_GET_STRING((thr),DUK_STRIDX_FMT)
-#define DUK_STRIDX_RAW 129 /* 'raw' */
-#define DUK_HEAP_STRING_RAW(heap) DUK_HEAP_GET_STRING((heap),DUK_STRIDX_RAW)
-#define DUK_HTHREAD_STRING_RAW(thr) DUK_HTHREAD_GET_STRING((thr),DUK_STRIDX_RAW)
-#define DUK_STRIDX_LC_TRACE 130 /* 'trace' */
-#define DUK_HEAP_STRING_LC_TRACE(heap) DUK_HEAP_GET_STRING((heap),DUK_STRIDX_LC_TRACE)
-#define DUK_HTHREAD_STRING_LC_TRACE(thr) DUK_HTHREAD_GET_STRING((thr),DUK_STRIDX_LC_TRACE)
-#define DUK_STRIDX_LC_DEBUG 131 /* 'debug' */
-#define DUK_HEAP_STRING_LC_DEBUG(heap) DUK_HEAP_GET_STRING((heap),DUK_STRIDX_LC_DEBUG)
-#define DUK_HTHREAD_STRING_LC_DEBUG(thr) DUK_HTHREAD_GET_STRING((thr),DUK_STRIDX_LC_DEBUG)
-#define DUK_STRIDX_LC_INFO 132 /* 'info' */
-#define DUK_HEAP_STRING_LC_INFO(heap) DUK_HEAP_GET_STRING((heap),DUK_STRIDX_LC_INFO)
-#define DUK_HTHREAD_STRING_LC_INFO(thr) DUK_HTHREAD_GET_STRING((thr),DUK_STRIDX_LC_INFO)
-#define DUK_STRIDX_LC_WARN 133 /* 'warn' */
-#define DUK_HEAP_STRING_LC_WARN(heap) DUK_HEAP_GET_STRING((heap),DUK_STRIDX_LC_WARN)
-#define DUK_HTHREAD_STRING_LC_WARN(thr) DUK_HTHREAD_GET_STRING((thr),DUK_STRIDX_LC_WARN)
-#define DUK_STRIDX_LC_ERROR 134 /* 'error' */
-#define DUK_HEAP_STRING_LC_ERROR(heap) DUK_HEAP_GET_STRING((heap),DUK_STRIDX_LC_ERROR)
-#define DUK_HTHREAD_STRING_LC_ERROR(thr) DUK_HTHREAD_GET_STRING((thr),DUK_STRIDX_LC_ERROR)
-#define DUK_STRIDX_LC_FATAL 135 /* 'fatal' */
-#define DUK_HEAP_STRING_LC_FATAL(heap) DUK_HEAP_GET_STRING((heap),DUK_STRIDX_LC_FATAL)
-#define DUK_HTHREAD_STRING_LC_FATAL(thr) DUK_HTHREAD_GET_STRING((thr),DUK_STRIDX_LC_FATAL)
-#define DUK_STRIDX_LC_N 136 /* 'n' */
-#define DUK_HEAP_STRING_LC_N(heap) DUK_HEAP_GET_STRING((heap),DUK_STRIDX_LC_N)
-#define DUK_HTHREAD_STRING_LC_N(thr) DUK_HTHREAD_GET_STRING((thr),DUK_STRIDX_LC_N)
-#define DUK_STRIDX_LC_L 137 /* 'l' */
-#define DUK_HEAP_STRING_LC_L(heap) DUK_HEAP_GET_STRING((heap),DUK_STRIDX_LC_L)
-#define DUK_HTHREAD_STRING_LC_L(thr) DUK_HTHREAD_GET_STRING((thr),DUK_STRIDX_LC_L)
-#define DUK_STRIDX_CLOG 138 /* 'clog' */
-#define DUK_HEAP_STRING_CLOG(heap) DUK_HEAP_GET_STRING((heap),DUK_STRIDX_CLOG)
-#define DUK_HTHREAD_STRING_CLOG(thr) DUK_HTHREAD_GET_STRING((thr),DUK_STRIDX_CLOG)
-#define DUK_STRIDX_TO_LOG_STRING 139 /* 'toLogString' */
-#define DUK_HEAP_STRING_TO_LOG_STRING(heap) DUK_HEAP_GET_STRING((heap),DUK_STRIDX_TO_LOG_STRING)
-#define DUK_HTHREAD_STRING_TO_LOG_STRING(thr) DUK_HTHREAD_GET_STRING((thr),DUK_STRIDX_TO_LOG_STRING)
-#define DUK_STRIDX_JSON_EXT_UNDEFINED 140 /* '{"_undef":true}' */
+#define DUK_STRIDX_JSON_EXT_UNDEFINED 116 /* '{"_undef":true}' */
#define DUK_HEAP_STRING_JSON_EXT_UNDEFINED(heap) DUK_HEAP_GET_STRING((heap),DUK_STRIDX_JSON_EXT_UNDEFINED)
#define DUK_HTHREAD_STRING_JSON_EXT_UNDEFINED(thr) DUK_HTHREAD_GET_STRING((thr),DUK_STRIDX_JSON_EXT_UNDEFINED)
-#define DUK_STRIDX_JSON_EXT_NAN 141 /* '{"_nan":true}' */
+#define DUK_STRIDX_JSON_EXT_NAN 117 /* '{"_nan":true}' */
#define DUK_HEAP_STRING_JSON_EXT_NAN(heap) DUK_HEAP_GET_STRING((heap),DUK_STRIDX_JSON_EXT_NAN)
#define DUK_HTHREAD_STRING_JSON_EXT_NAN(thr) DUK_HTHREAD_GET_STRING((thr),DUK_STRIDX_JSON_EXT_NAN)
-#define DUK_STRIDX_JSON_EXT_POSINF 142 /* '{"_inf":true}' */
+#define DUK_STRIDX_JSON_EXT_POSINF 118 /* '{"_inf":true}' */
#define DUK_HEAP_STRING_JSON_EXT_POSINF(heap) DUK_HEAP_GET_STRING((heap),DUK_STRIDX_JSON_EXT_POSINF)
#define DUK_HTHREAD_STRING_JSON_EXT_POSINF(thr) DUK_HTHREAD_GET_STRING((thr),DUK_STRIDX_JSON_EXT_POSINF)
-#define DUK_STRIDX_JSON_EXT_NEGINF 143 /* '{"_ninf":true}' */
+#define DUK_STRIDX_JSON_EXT_NEGINF 119 /* '{"_ninf":true}' */
#define DUK_HEAP_STRING_JSON_EXT_NEGINF(heap) DUK_HEAP_GET_STRING((heap),DUK_STRIDX_JSON_EXT_NEGINF)
#define DUK_HTHREAD_STRING_JSON_EXT_NEGINF(thr) DUK_HTHREAD_GET_STRING((thr),DUK_STRIDX_JSON_EXT_NEGINF)
-#define DUK_STRIDX_JSON_EXT_FUNCTION1 144 /* '{"_func":true}' */
+#define DUK_STRIDX_JSON_EXT_FUNCTION1 120 /* '{"_func":true}' */
#define DUK_HEAP_STRING_JSON_EXT_FUNCTION1(heap) DUK_HEAP_GET_STRING((heap),DUK_STRIDX_JSON_EXT_FUNCTION1)
#define DUK_HTHREAD_STRING_JSON_EXT_FUNCTION1(thr) DUK_HTHREAD_GET_STRING((thr),DUK_STRIDX_JSON_EXT_FUNCTION1)
-#define DUK_STRIDX_JSON_EXT_FUNCTION2 145 /* '{_func:true}' */
+#define DUK_STRIDX_JSON_EXT_FUNCTION2 121 /* '{_func:true}' */
#define DUK_HEAP_STRING_JSON_EXT_FUNCTION2(heap) DUK_HEAP_GET_STRING((heap),DUK_STRIDX_JSON_EXT_FUNCTION2)
#define DUK_HTHREAD_STRING_JSON_EXT_FUNCTION2(thr) DUK_HTHREAD_GET_STRING((thr),DUK_STRIDX_JSON_EXT_FUNCTION2)
-#define DUK_STRIDX_BREAK 146 /* 'break' */
+#define DUK_STRIDX_BREAK 122 /* 'break' */
#define DUK_HEAP_STRING_BREAK(heap) DUK_HEAP_GET_STRING((heap),DUK_STRIDX_BREAK)
#define DUK_HTHREAD_STRING_BREAK(thr) DUK_HTHREAD_GET_STRING((thr),DUK_STRIDX_BREAK)
-#define DUK_STRIDX_CASE 147 /* 'case' */
+#define DUK_STRIDX_CASE 123 /* 'case' */
#define DUK_HEAP_STRING_CASE(heap) DUK_HEAP_GET_STRING((heap),DUK_STRIDX_CASE)
#define DUK_HTHREAD_STRING_CASE(thr) DUK_HTHREAD_GET_STRING((thr),DUK_STRIDX_CASE)
-#define DUK_STRIDX_CATCH 148 /* 'catch' */
+#define DUK_STRIDX_CATCH 124 /* 'catch' */
#define DUK_HEAP_STRING_CATCH(heap) DUK_HEAP_GET_STRING((heap),DUK_STRIDX_CATCH)
#define DUK_HTHREAD_STRING_CATCH(thr) DUK_HTHREAD_GET_STRING((thr),DUK_STRIDX_CATCH)
-#define DUK_STRIDX_CONTINUE 149 /* 'continue' */
+#define DUK_STRIDX_CONTINUE 125 /* 'continue' */
#define DUK_HEAP_STRING_CONTINUE(heap) DUK_HEAP_GET_STRING((heap),DUK_STRIDX_CONTINUE)
#define DUK_HTHREAD_STRING_CONTINUE(thr) DUK_HTHREAD_GET_STRING((thr),DUK_STRIDX_CONTINUE)
-#define DUK_STRIDX_DEBUGGER 150 /* 'debugger' */
+#define DUK_STRIDX_DEBUGGER 126 /* 'debugger' */
#define DUK_HEAP_STRING_DEBUGGER(heap) DUK_HEAP_GET_STRING((heap),DUK_STRIDX_DEBUGGER)
#define DUK_HTHREAD_STRING_DEBUGGER(thr) DUK_HTHREAD_GET_STRING((thr),DUK_STRIDX_DEBUGGER)
-#define DUK_STRIDX_DEFAULT 151 /* 'default' */
+#define DUK_STRIDX_DEFAULT 127 /* 'default' */
#define DUK_HEAP_STRING_DEFAULT(heap) DUK_HEAP_GET_STRING((heap),DUK_STRIDX_DEFAULT)
#define DUK_HTHREAD_STRING_DEFAULT(thr) DUK_HTHREAD_GET_STRING((thr),DUK_STRIDX_DEFAULT)
-#define DUK_STRIDX_DELETE 152 /* 'delete' */
+#define DUK_STRIDX_DELETE 128 /* 'delete' */
#define DUK_HEAP_STRING_DELETE(heap) DUK_HEAP_GET_STRING((heap),DUK_STRIDX_DELETE)
#define DUK_HTHREAD_STRING_DELETE(thr) DUK_HTHREAD_GET_STRING((thr),DUK_STRIDX_DELETE)
-#define DUK_STRIDX_DO 153 /* 'do' */
+#define DUK_STRIDX_DO 129 /* 'do' */
#define DUK_HEAP_STRING_DO(heap) DUK_HEAP_GET_STRING((heap),DUK_STRIDX_DO)
#define DUK_HTHREAD_STRING_DO(thr) DUK_HTHREAD_GET_STRING((thr),DUK_STRIDX_DO)
-#define DUK_STRIDX_ELSE 154 /* 'else' */
+#define DUK_STRIDX_ELSE 130 /* 'else' */
#define DUK_HEAP_STRING_ELSE(heap) DUK_HEAP_GET_STRING((heap),DUK_STRIDX_ELSE)
#define DUK_HTHREAD_STRING_ELSE(thr) DUK_HTHREAD_GET_STRING((thr),DUK_STRIDX_ELSE)
-#define DUK_STRIDX_FINALLY 155 /* 'finally' */
+#define DUK_STRIDX_FINALLY 131 /* 'finally' */
#define DUK_HEAP_STRING_FINALLY(heap) DUK_HEAP_GET_STRING((heap),DUK_STRIDX_FINALLY)
#define DUK_HTHREAD_STRING_FINALLY(thr) DUK_HTHREAD_GET_STRING((thr),DUK_STRIDX_FINALLY)
-#define DUK_STRIDX_FOR 156 /* 'for' */
+#define DUK_STRIDX_FOR 132 /* 'for' */
#define DUK_HEAP_STRING_FOR(heap) DUK_HEAP_GET_STRING((heap),DUK_STRIDX_FOR)
#define DUK_HTHREAD_STRING_FOR(thr) DUK_HTHREAD_GET_STRING((thr),DUK_STRIDX_FOR)
-#define DUK_STRIDX_LC_FUNCTION 157 /* 'function' */
+#define DUK_STRIDX_LC_FUNCTION 133 /* 'function' */
#define DUK_HEAP_STRING_LC_FUNCTION(heap) DUK_HEAP_GET_STRING((heap),DUK_STRIDX_LC_FUNCTION)
#define DUK_HTHREAD_STRING_LC_FUNCTION(thr) DUK_HTHREAD_GET_STRING((thr),DUK_STRIDX_LC_FUNCTION)
-#define DUK_STRIDX_IF 158 /* 'if' */
+#define DUK_STRIDX_IF 134 /* 'if' */
#define DUK_HEAP_STRING_IF(heap) DUK_HEAP_GET_STRING((heap),DUK_STRIDX_IF)
#define DUK_HTHREAD_STRING_IF(thr) DUK_HTHREAD_GET_STRING((thr),DUK_STRIDX_IF)
-#define DUK_STRIDX_IN 159 /* 'in' */
+#define DUK_STRIDX_IN 135 /* 'in' */
#define DUK_HEAP_STRING_IN(heap) DUK_HEAP_GET_STRING((heap),DUK_STRIDX_IN)
#define DUK_HTHREAD_STRING_IN(thr) DUK_HTHREAD_GET_STRING((thr),DUK_STRIDX_IN)
-#define DUK_STRIDX_INSTANCEOF 160 /* 'instanceof' */
+#define DUK_STRIDX_INSTANCEOF 136 /* 'instanceof' */
#define DUK_HEAP_STRING_INSTANCEOF(heap) DUK_HEAP_GET_STRING((heap),DUK_STRIDX_INSTANCEOF)
#define DUK_HTHREAD_STRING_INSTANCEOF(thr) DUK_HTHREAD_GET_STRING((thr),DUK_STRIDX_INSTANCEOF)
-#define DUK_STRIDX_NEW 161 /* 'new' */
+#define DUK_STRIDX_NEW 137 /* 'new' */
#define DUK_HEAP_STRING_NEW(heap) DUK_HEAP_GET_STRING((heap),DUK_STRIDX_NEW)
#define DUK_HTHREAD_STRING_NEW(thr) DUK_HTHREAD_GET_STRING((thr),DUK_STRIDX_NEW)
-#define DUK_STRIDX_RETURN 162 /* 'return' */
+#define DUK_STRIDX_RETURN 138 /* 'return' */
#define DUK_HEAP_STRING_RETURN(heap) DUK_HEAP_GET_STRING((heap),DUK_STRIDX_RETURN)
#define DUK_HTHREAD_STRING_RETURN(thr) DUK_HTHREAD_GET_STRING((thr),DUK_STRIDX_RETURN)
-#define DUK_STRIDX_SWITCH 163 /* 'switch' */
+#define DUK_STRIDX_SWITCH 139 /* 'switch' */
#define DUK_HEAP_STRING_SWITCH(heap) DUK_HEAP_GET_STRING((heap),DUK_STRIDX_SWITCH)
#define DUK_HTHREAD_STRING_SWITCH(thr) DUK_HTHREAD_GET_STRING((thr),DUK_STRIDX_SWITCH)
-#define DUK_STRIDX_THIS 164 /* 'this' */
+#define DUK_STRIDX_THIS 140 /* 'this' */
#define DUK_HEAP_STRING_THIS(heap) DUK_HEAP_GET_STRING((heap),DUK_STRIDX_THIS)
#define DUK_HTHREAD_STRING_THIS(thr) DUK_HTHREAD_GET_STRING((thr),DUK_STRIDX_THIS)
-#define DUK_STRIDX_THROW 165 /* 'throw' */
+#define DUK_STRIDX_THROW 141 /* 'throw' */
#define DUK_HEAP_STRING_THROW(heap) DUK_HEAP_GET_STRING((heap),DUK_STRIDX_THROW)
#define DUK_HTHREAD_STRING_THROW(thr) DUK_HTHREAD_GET_STRING((thr),DUK_STRIDX_THROW)
-#define DUK_STRIDX_TRY 166 /* 'try' */
+#define DUK_STRIDX_TRY 142 /* 'try' */
#define DUK_HEAP_STRING_TRY(heap) DUK_HEAP_GET_STRING((heap),DUK_STRIDX_TRY)
#define DUK_HTHREAD_STRING_TRY(thr) DUK_HTHREAD_GET_STRING((thr),DUK_STRIDX_TRY)
-#define DUK_STRIDX_TYPEOF 167 /* 'typeof' */
+#define DUK_STRIDX_TYPEOF 143 /* 'typeof' */
#define DUK_HEAP_STRING_TYPEOF(heap) DUK_HEAP_GET_STRING((heap),DUK_STRIDX_TYPEOF)
#define DUK_HTHREAD_STRING_TYPEOF(thr) DUK_HTHREAD_GET_STRING((thr),DUK_STRIDX_TYPEOF)
-#define DUK_STRIDX_VAR 168 /* 'var' */
+#define DUK_STRIDX_VAR 144 /* 'var' */
#define DUK_HEAP_STRING_VAR(heap) DUK_HEAP_GET_STRING((heap),DUK_STRIDX_VAR)
#define DUK_HTHREAD_STRING_VAR(thr) DUK_HTHREAD_GET_STRING((thr),DUK_STRIDX_VAR)
-#define DUK_STRIDX_CONST 169 /* 'const' */
+#define DUK_STRIDX_CONST 145 /* 'const' */
#define DUK_HEAP_STRING_CONST(heap) DUK_HEAP_GET_STRING((heap),DUK_STRIDX_CONST)
#define DUK_HTHREAD_STRING_CONST(thr) DUK_HTHREAD_GET_STRING((thr),DUK_STRIDX_CONST)
-#define DUK_STRIDX_VOID 170 /* 'void' */
+#define DUK_STRIDX_VOID 146 /* 'void' */
#define DUK_HEAP_STRING_VOID(heap) DUK_HEAP_GET_STRING((heap),DUK_STRIDX_VOID)
#define DUK_HTHREAD_STRING_VOID(thr) DUK_HTHREAD_GET_STRING((thr),DUK_STRIDX_VOID)
-#define DUK_STRIDX_WHILE 171 /* 'while' */
+#define DUK_STRIDX_WHILE 147 /* 'while' */
#define DUK_HEAP_STRING_WHILE(heap) DUK_HEAP_GET_STRING((heap),DUK_STRIDX_WHILE)
#define DUK_HTHREAD_STRING_WHILE(thr) DUK_HTHREAD_GET_STRING((thr),DUK_STRIDX_WHILE)
-#define DUK_STRIDX_WITH 172 /* 'with' */
+#define DUK_STRIDX_WITH 148 /* 'with' */
#define DUK_HEAP_STRING_WITH(heap) DUK_HEAP_GET_STRING((heap),DUK_STRIDX_WITH)
#define DUK_HTHREAD_STRING_WITH(thr) DUK_HTHREAD_GET_STRING((thr),DUK_STRIDX_WITH)
-#define DUK_STRIDX_CLASS 173 /* 'class' */
+#define DUK_STRIDX_CLASS 149 /* 'class' */
#define DUK_HEAP_STRING_CLASS(heap) DUK_HEAP_GET_STRING((heap),DUK_STRIDX_CLASS)
#define DUK_HTHREAD_STRING_CLASS(thr) DUK_HTHREAD_GET_STRING((thr),DUK_STRIDX_CLASS)
-#define DUK_STRIDX_ENUM 174 /* 'enum' */
+#define DUK_STRIDX_ENUM 150 /* 'enum' */
#define DUK_HEAP_STRING_ENUM(heap) DUK_HEAP_GET_STRING((heap),DUK_STRIDX_ENUM)
#define DUK_HTHREAD_STRING_ENUM(thr) DUK_HTHREAD_GET_STRING((thr),DUK_STRIDX_ENUM)
-#define DUK_STRIDX_EXPORT 175 /* 'export' */
+#define DUK_STRIDX_EXPORT 151 /* 'export' */
#define DUK_HEAP_STRING_EXPORT(heap) DUK_HEAP_GET_STRING((heap),DUK_STRIDX_EXPORT)
#define DUK_HTHREAD_STRING_EXPORT(thr) DUK_HTHREAD_GET_STRING((thr),DUK_STRIDX_EXPORT)
-#define DUK_STRIDX_EXTENDS 176 /* 'extends' */
+#define DUK_STRIDX_EXTENDS 152 /* 'extends' */
#define DUK_HEAP_STRING_EXTENDS(heap) DUK_HEAP_GET_STRING((heap),DUK_STRIDX_EXTENDS)
#define DUK_HTHREAD_STRING_EXTENDS(thr) DUK_HTHREAD_GET_STRING((thr),DUK_STRIDX_EXTENDS)
-#define DUK_STRIDX_IMPORT 177 /* 'import' */
+#define DUK_STRIDX_IMPORT 153 /* 'import' */
#define DUK_HEAP_STRING_IMPORT(heap) DUK_HEAP_GET_STRING((heap),DUK_STRIDX_IMPORT)
#define DUK_HTHREAD_STRING_IMPORT(thr) DUK_HTHREAD_GET_STRING((thr),DUK_STRIDX_IMPORT)
-#define DUK_STRIDX_SUPER 178 /* 'super' */
+#define DUK_STRIDX_SUPER 154 /* 'super' */
#define DUK_HEAP_STRING_SUPER(heap) DUK_HEAP_GET_STRING((heap),DUK_STRIDX_SUPER)
#define DUK_HTHREAD_STRING_SUPER(thr) DUK_HTHREAD_GET_STRING((thr),DUK_STRIDX_SUPER)
-#define DUK_STRIDX_LC_NULL 179 /* 'null' */
+#define DUK_STRIDX_LC_NULL 155 /* 'null' */
#define DUK_HEAP_STRING_LC_NULL(heap) DUK_HEAP_GET_STRING((heap),DUK_STRIDX_LC_NULL)
#define DUK_HTHREAD_STRING_LC_NULL(thr) DUK_HTHREAD_GET_STRING((thr),DUK_STRIDX_LC_NULL)
-#define DUK_STRIDX_TRUE 180 /* 'true' */
+#define DUK_STRIDX_TRUE 156 /* 'true' */
#define DUK_HEAP_STRING_TRUE(heap) DUK_HEAP_GET_STRING((heap),DUK_STRIDX_TRUE)
#define DUK_HTHREAD_STRING_TRUE(thr) DUK_HTHREAD_GET_STRING((thr),DUK_STRIDX_TRUE)
-#define DUK_STRIDX_FALSE 181 /* 'false' */
+#define DUK_STRIDX_FALSE 157 /* 'false' */
#define DUK_HEAP_STRING_FALSE(heap) DUK_HEAP_GET_STRING((heap),DUK_STRIDX_FALSE)
#define DUK_HTHREAD_STRING_FALSE(thr) DUK_HTHREAD_GET_STRING((thr),DUK_STRIDX_FALSE)
-#define DUK_STRIDX_IMPLEMENTS 182 /* 'implements' */
+#define DUK_STRIDX_IMPLEMENTS 158 /* 'implements' */
#define DUK_HEAP_STRING_IMPLEMENTS(heap) DUK_HEAP_GET_STRING((heap),DUK_STRIDX_IMPLEMENTS)
#define DUK_HTHREAD_STRING_IMPLEMENTS(thr) DUK_HTHREAD_GET_STRING((thr),DUK_STRIDX_IMPLEMENTS)
-#define DUK_STRIDX_INTERFACE 183 /* 'interface' */
+#define DUK_STRIDX_INTERFACE 159 /* 'interface' */
#define DUK_HEAP_STRING_INTERFACE(heap) DUK_HEAP_GET_STRING((heap),DUK_STRIDX_INTERFACE)
#define DUK_HTHREAD_STRING_INTERFACE(thr) DUK_HTHREAD_GET_STRING((thr),DUK_STRIDX_INTERFACE)
-#define DUK_STRIDX_LET 184 /* 'let' */
+#define DUK_STRIDX_LET 160 /* 'let' */
#define DUK_HEAP_STRING_LET(heap) DUK_HEAP_GET_STRING((heap),DUK_STRIDX_LET)
#define DUK_HTHREAD_STRING_LET(thr) DUK_HTHREAD_GET_STRING((thr),DUK_STRIDX_LET)
-#define DUK_STRIDX_PACKAGE 185 /* 'package' */
+#define DUK_STRIDX_PACKAGE 161 /* 'package' */
#define DUK_HEAP_STRING_PACKAGE(heap) DUK_HEAP_GET_STRING((heap),DUK_STRIDX_PACKAGE)
#define DUK_HTHREAD_STRING_PACKAGE(thr) DUK_HTHREAD_GET_STRING((thr),DUK_STRIDX_PACKAGE)
-#define DUK_STRIDX_PRIVATE 186 /* 'private' */
+#define DUK_STRIDX_PRIVATE 162 /* 'private' */
#define DUK_HEAP_STRING_PRIVATE(heap) DUK_HEAP_GET_STRING((heap),DUK_STRIDX_PRIVATE)
#define DUK_HTHREAD_STRING_PRIVATE(thr) DUK_HTHREAD_GET_STRING((thr),DUK_STRIDX_PRIVATE)
-#define DUK_STRIDX_PROTECTED 187 /* 'protected' */
+#define DUK_STRIDX_PROTECTED 163 /* 'protected' */
#define DUK_HEAP_STRING_PROTECTED(heap) DUK_HEAP_GET_STRING((heap),DUK_STRIDX_PROTECTED)
#define DUK_HTHREAD_STRING_PROTECTED(thr) DUK_HTHREAD_GET_STRING((thr),DUK_STRIDX_PROTECTED)
-#define DUK_STRIDX_PUBLIC 188 /* 'public' */
+#define DUK_STRIDX_PUBLIC 164 /* 'public' */
#define DUK_HEAP_STRING_PUBLIC(heap) DUK_HEAP_GET_STRING((heap),DUK_STRIDX_PUBLIC)
#define DUK_HTHREAD_STRING_PUBLIC(thr) DUK_HTHREAD_GET_STRING((thr),DUK_STRIDX_PUBLIC)
-#define DUK_STRIDX_STATIC 189 /* 'static' */
+#define DUK_STRIDX_STATIC 165 /* 'static' */
#define DUK_HEAP_STRING_STATIC(heap) DUK_HEAP_GET_STRING((heap),DUK_STRIDX_STATIC)
#define DUK_HTHREAD_STRING_STATIC(thr) DUK_HTHREAD_GET_STRING((thr),DUK_STRIDX_STATIC)
-#define DUK_STRIDX_YIELD 190 /* 'yield' */
+#define DUK_STRIDX_YIELD 166 /* 'yield' */
#define DUK_HEAP_STRING_YIELD(heap) DUK_HEAP_GET_STRING((heap),DUK_STRIDX_YIELD)
#define DUK_HTHREAD_STRING_YIELD(thr) DUK_HTHREAD_GET_STRING((thr),DUK_STRIDX_YIELD)
-#define DUK_HEAP_NUM_STRINGS 191
-#define DUK_STRIDX_START_RESERVED 146
-#define DUK_STRIDX_START_STRICT_RESERVED 182
-#define DUK_STRIDX_END_RESERVED 191 /* exclusive endpoint */
+#define DUK_HEAP_NUM_STRINGS 167
+#define DUK_STRIDX_START_RESERVED 122
+#define DUK_STRIDX_START_STRICT_RESERVED 158
+#define DUK_STRIDX_END_RESERVED 167 /* exclusive endpoint */
/* To convert a heap stridx to a token number, subtract
* DUK_STRIDX_START_RESERVED and add DUK_TOK_START_RESERVED.
*/
#if !defined(DUK_SINGLE_FILE)
-DUK_INTERNAL_DECL const duk_uint8_t duk_strings_data[1049];
+DUK_INTERNAL_DECL const duk_uint8_t duk_strings_data[921];
#endif /* !DUK_SINGLE_FILE */
#define DUK_STRDATA_MAX_STRLEN 17
-#define DUK_STRDATA_DATA_LENGTH 1049
+#define DUK_STRDATA_DATA_LENGTH 921
#endif /* DUK_USE_ROM_STRINGS */
#if defined(DUK_USE_ROM_OBJECTS)
-#error ROM support not enabled, rerun make_dist.py with --rom-support
-#else
+#error RAM support not enabled, rerun configure.py with --ram-support
+#else /* DUK_USE_ROM_OBJECTS */
DUK_INTERNAL_DECL duk_ret_t duk_bi_object_constructor(duk_context *ctx);
DUK_INTERNAL_DECL duk_ret_t duk_bi_function_constructor(duk_context *ctx);
DUK_INTERNAL_DECL duk_ret_t duk_bi_function_prototype(duk_context *ctx);
@@ -1488,15 +1551,15 @@ DUK_INTERNAL_DECL duk_ret_t duk_bi_date_constructor(duk_context *ctx);
DUK_INTERNAL_DECL duk_ret_t duk_bi_regexp_constructor(duk_context *ctx);
DUK_INTERNAL_DECL duk_ret_t duk_bi_error_constructor_shared(duk_context *ctx);
DUK_INTERNAL_DECL duk_ret_t duk_bi_type_error_thrower(duk_context *ctx);
-DUK_INTERNAL_DECL duk_ret_t duk_bi_proxy_constructor(duk_context *ctx);
DUK_INTERNAL_DECL duk_ret_t duk_bi_thread_constructor(duk_context *ctx);
-DUK_INTERNAL_DECL duk_ret_t duk_bi_buffer_constructor(duk_context *ctx);
DUK_INTERNAL_DECL duk_ret_t duk_bi_pointer_constructor(duk_context *ctx);
-DUK_INTERNAL_DECL duk_ret_t duk_bi_logger_constructor(duk_context *ctx);
+DUK_INTERNAL_DECL duk_ret_t duk_bi_proxy_constructor(duk_context *ctx);
DUK_INTERNAL_DECL duk_ret_t duk_bi_arraybuffer_constructor(duk_context *ctx);
DUK_INTERNAL_DECL duk_ret_t duk_bi_dataview_constructor(duk_context *ctx);
DUK_INTERNAL_DECL duk_ret_t duk_bi_typedarray_constructor(duk_context *ctx);
DUK_INTERNAL_DECL duk_ret_t duk_bi_nodejs_buffer_constructor(duk_context *ctx);
+DUK_INTERNAL_DECL duk_ret_t duk_bi_textencoder_constructor(duk_context *ctx);
+DUK_INTERNAL_DECL duk_ret_t duk_bi_textdecoder_constructor(duk_context *ctx);
DUK_INTERNAL_DECL duk_ret_t duk_bi_global_object_eval(duk_context *ctx);
DUK_INTERNAL_DECL duk_ret_t duk_bi_global_object_parse_int(duk_context *ctx);
DUK_INTERNAL_DECL duk_ret_t duk_bi_global_object_parse_float(duk_context *ctx);
@@ -1508,12 +1571,11 @@ DUK_INTERNAL_DECL duk_ret_t duk_bi_global_object_encode_uri(duk_context *ctx);
DUK_INTERNAL_DECL duk_ret_t duk_bi_global_object_encode_uri_component(duk_context *ctx);
DUK_INTERNAL_DECL duk_ret_t duk_bi_global_object_escape(duk_context *ctx);
DUK_INTERNAL_DECL duk_ret_t duk_bi_global_object_unescape(duk_context *ctx);
-DUK_INTERNAL_DECL duk_ret_t duk_bi_global_object_print_helper(duk_context *ctx);
-DUK_INTERNAL_DECL duk_ret_t duk_bi_global_object_require(duk_context *ctx);
DUK_INTERNAL_DECL duk_ret_t duk_bi_object_getprototype_shared(duk_context *ctx);
DUK_INTERNAL_DECL duk_ret_t duk_bi_object_setprototype_shared(duk_context *ctx);
DUK_INTERNAL_DECL duk_ret_t duk_bi_object_constructor_get_own_property_descriptor(duk_context *ctx);
DUK_INTERNAL_DECL duk_ret_t duk_bi_object_constructor_keys_shared(duk_context *ctx);
+DUK_INTERNAL_DECL duk_ret_t duk_bi_object_constructor_assign(duk_context *ctx);
DUK_INTERNAL_DECL duk_ret_t duk_bi_object_constructor_create(duk_context *ctx);
DUK_INTERNAL_DECL duk_ret_t duk_bi_object_constructor_define_property(duk_context *ctx);
DUK_INTERNAL_DECL duk_ret_t duk_bi_object_constructor_define_properties(duk_context *ctx);
@@ -1521,6 +1583,7 @@ DUK_INTERNAL_DECL duk_ret_t duk_bi_object_constructor_seal_freeze_shared(duk_con
DUK_INTERNAL_DECL duk_ret_t duk_bi_object_constructor_prevent_extensions(duk_context *ctx);
DUK_INTERNAL_DECL duk_ret_t duk_bi_object_constructor_is_sealed_frozen_shared(duk_context *ctx);
DUK_INTERNAL_DECL duk_ret_t duk_bi_object_constructor_is_extensible(duk_context *ctx);
+DUK_INTERNAL_DECL duk_ret_t duk_bi_object_constructor_is(duk_context *ctx);
DUK_INTERNAL_DECL duk_ret_t duk_bi_object_prototype_to_string(duk_context *ctx);
DUK_INTERNAL_DECL duk_ret_t duk_bi_object_prototype_to_locale_string(duk_context *ctx);
DUK_INTERNAL_DECL duk_ret_t duk_bi_object_prototype_value_of(duk_context *ctx);
@@ -1547,6 +1610,7 @@ DUK_INTERNAL_DECL duk_ret_t duk_bi_array_prototype_indexof_shared(duk_context *c
DUK_INTERNAL_DECL duk_ret_t duk_bi_array_prototype_iter_shared(duk_context *ctx);
DUK_INTERNAL_DECL duk_ret_t duk_bi_array_prototype_reduce_shared(duk_context *ctx);
DUK_INTERNAL_DECL duk_ret_t duk_bi_string_constructor_from_char_code(duk_context *ctx);
+DUK_INTERNAL_DECL duk_ret_t duk_bi_string_constructor_from_code_point(duk_context *ctx);
DUK_INTERNAL_DECL duk_ret_t duk_bi_string_prototype_to_string(duk_context *ctx);
DUK_INTERNAL_DECL duk_ret_t duk_bi_string_prototype_char_at(duk_context *ctx);
DUK_INTERNAL_DECL duk_ret_t duk_bi_string_prototype_char_code_at(duk_context *ctx);
@@ -1561,6 +1625,7 @@ DUK_INTERNAL_DECL duk_ret_t duk_bi_string_prototype_split(duk_context *ctx);
DUK_INTERNAL_DECL duk_ret_t duk_bi_string_prototype_substring(duk_context *ctx);
DUK_INTERNAL_DECL duk_ret_t duk_bi_string_prototype_caseconv_shared(duk_context *ctx);
DUK_INTERNAL_DECL duk_ret_t duk_bi_string_prototype_trim(duk_context *ctx);
+DUK_INTERNAL_DECL duk_ret_t duk_bi_string_prototype_repeat(duk_context *ctx);
DUK_INTERNAL_DECL duk_ret_t duk_bi_string_prototype_substr(duk_context *ctx);
DUK_INTERNAL_DECL duk_ret_t duk_bi_boolean_prototype_tostring_shared(duk_context *ctx);
DUK_INTERNAL_DECL duk_ret_t duk_bi_number_prototype_to_string(duk_context *ctx);
@@ -1581,7 +1646,9 @@ DUK_INTERNAL_DECL duk_ret_t duk_bi_date_prototype_set_time(duk_context *ctx);
DUK_INTERNAL_DECL duk_ret_t duk_bi_date_prototype_set_shared(duk_context *ctx);
DUK_INTERNAL_DECL duk_ret_t duk_bi_regexp_prototype_exec(duk_context *ctx);
DUK_INTERNAL_DECL duk_ret_t duk_bi_regexp_prototype_test(duk_context *ctx);
-DUK_INTERNAL_DECL duk_ret_t duk_bi_regexp_prototype_to_string(duk_context *ctx);
+DUK_INTERNAL_DECL duk_ret_t duk_bi_regexp_prototype_tostring(duk_context *ctx);
+DUK_INTERNAL_DECL duk_ret_t duk_bi_regexp_prototype_flags(duk_context *ctx);
+DUK_INTERNAL_DECL duk_ret_t duk_bi_regexp_prototype_shared_getter(duk_context *ctx);
DUK_INTERNAL_DECL duk_ret_t duk_bi_error_prototype_stack_getter(duk_context *ctx);
DUK_INTERNAL_DECL duk_ret_t duk_bi_error_prototype_stack_setter(duk_context *ctx);
DUK_INTERNAL_DECL duk_ret_t duk_bi_error_prototype_filename_getter(duk_context *ctx);
@@ -1591,6 +1658,7 @@ DUK_INTERNAL_DECL duk_ret_t duk_bi_error_prototype_linenumber_setter(duk_context
DUK_INTERNAL_DECL duk_ret_t duk_bi_error_prototype_to_string(duk_context *ctx);
DUK_INTERNAL_DECL duk_ret_t duk_bi_math_object_onearg_shared(duk_context *ctx);
DUK_INTERNAL_DECL duk_ret_t duk_bi_math_object_twoarg_shared(duk_context *ctx);
+DUK_INTERNAL_DECL duk_ret_t duk_bi_math_object_hypot(duk_context *ctx);
DUK_INTERNAL_DECL duk_ret_t duk_bi_math_object_max(duk_context *ctx);
DUK_INTERNAL_DECL duk_ret_t duk_bi_math_object_min(duk_context *ctx);
DUK_INTERNAL_DECL duk_ret_t duk_bi_math_object_random(duk_context *ctx);
@@ -1606,16 +1674,21 @@ DUK_INTERNAL_DECL duk_ret_t duk_bi_duktape_object_compact(duk_context *ctx);
DUK_INTERNAL_DECL duk_ret_t duk_bi_thread_yield(duk_context *ctx);
DUK_INTERNAL_DECL duk_ret_t duk_bi_thread_resume(duk_context *ctx);
DUK_INTERNAL_DECL duk_ret_t duk_bi_thread_current(duk_context *ctx);
-DUK_INTERNAL_DECL duk_ret_t duk_bi_buffer_prototype_tostring_shared(duk_context *ctx);
DUK_INTERNAL_DECL duk_ret_t duk_bi_pointer_prototype_tostring_shared(duk_context *ctx);
-DUK_INTERNAL_DECL duk_ret_t duk_bi_logger_prototype_fmt(duk_context *ctx);
-DUK_INTERNAL_DECL duk_ret_t duk_bi_logger_prototype_raw(duk_context *ctx);
-DUK_INTERNAL_DECL duk_ret_t duk_bi_logger_prototype_log_shared(duk_context *ctx);
+DUK_INTERNAL_DECL duk_ret_t duk_bi_reflect_object_delete_property(duk_context *ctx);
+DUK_INTERNAL_DECL duk_ret_t duk_bi_reflect_object_get(duk_context *ctx);
+DUK_INTERNAL_DECL duk_ret_t duk_bi_reflect_object_has(duk_context *ctx);
+DUK_INTERNAL_DECL duk_ret_t duk_bi_reflect_object_set(duk_context *ctx);
DUK_INTERNAL_DECL duk_ret_t duk_bi_arraybuffer_isview(duk_context *ctx);
+DUK_INTERNAL_DECL duk_ret_t duk_bi_typedarray_bytelength_getter(duk_context *ctx);
DUK_INTERNAL_DECL duk_ret_t duk_bi_buffer_slice_shared(duk_context *ctx);
+DUK_INTERNAL_DECL duk_ret_t duk_bi_typedarray_byteoffset_getter(duk_context *ctx);
+DUK_INTERNAL_DECL duk_ret_t duk_bi_typedarray_buffer_getter(duk_context *ctx);
DUK_INTERNAL_DECL duk_ret_t duk_bi_buffer_readfield(duk_context *ctx);
DUK_INTERNAL_DECL duk_ret_t duk_bi_buffer_writefield(duk_context *ctx);
DUK_INTERNAL_DECL duk_ret_t duk_bi_typedarray_set(duk_context *ctx);
+DUK_INTERNAL_DECL duk_ret_t duk_bi_uint8array_allocplain(duk_context *ctx);
+DUK_INTERNAL_DECL duk_ret_t duk_bi_uint8array_plainof(duk_context *ctx);
DUK_INTERNAL_DECL duk_ret_t duk_bi_nodejs_buffer_concat(duk_context *ctx);
DUK_INTERNAL_DECL duk_ret_t duk_bi_nodejs_buffer_is_encoding(duk_context *ctx);
DUK_INTERNAL_DECL duk_ret_t duk_bi_nodejs_buffer_is_buffer(duk_context *ctx);
@@ -1626,15 +1699,13 @@ DUK_INTERNAL_DECL duk_ret_t duk_bi_nodejs_buffer_tojson(duk_context *ctx);
DUK_INTERNAL_DECL duk_ret_t duk_bi_nodejs_buffer_fill(duk_context *ctx);
DUK_INTERNAL_DECL duk_ret_t duk_bi_nodejs_buffer_copy(duk_context *ctx);
DUK_INTERNAL_DECL duk_ret_t duk_bi_nodejs_buffer_write(duk_context *ctx);
+DUK_INTERNAL_DECL duk_ret_t duk_bi_textencoder_prototype_encoding_getter(duk_context *ctx);
+DUK_INTERNAL_DECL duk_ret_t duk_bi_textencoder_prototype_encode(duk_context *ctx);
+DUK_INTERNAL_DECL duk_ret_t duk_bi_textdecoder_prototype_shared_getter(duk_context *ctx);
+DUK_INTERNAL_DECL duk_ret_t duk_bi_textdecoder_prototype_decode(duk_context *ctx);
#if !defined(DUK_SINGLE_FILE)
-DUK_INTERNAL_DECL const duk_c_function duk_bi_native_functions[149];
-#endif /* !DUK_SINGLE_FILE */
-#if defined(DUK_USE_BUILTIN_INITJS)
-#if !defined(DUK_SINGLE_FILE)
-DUK_INTERNAL_DECL const duk_uint8_t duk_initjs_data[204];
+DUK_INTERNAL_DECL const duk_c_function duk_bi_native_functions[164];
#endif /* !DUK_SINGLE_FILE */
-#define DUK_BUILTIN_INITJS_DATA_LENGTH 204
-#endif /* DUK_USE_BUILTIN_INITJS */
#define DUK_BIDX_GLOBAL 0
#define DUK_BIDX_GLOBAL_ENV 1
#define DUK_BIDX_OBJECT_CONSTRUCTOR 2
@@ -1670,79 +1741,96 @@ DUK_INTERNAL_DECL const duk_uint8_t duk_initjs_data[204];
#define DUK_BIDX_MATH 32
#define DUK_BIDX_JSON 33
#define DUK_BIDX_TYPE_ERROR_THROWER 34
-#define DUK_BIDX_PROXY_CONSTRUCTOR 35
-#define DUK_BIDX_DUKTAPE 36
-#define DUK_BIDX_THREAD_CONSTRUCTOR 37
-#define DUK_BIDX_THREAD_PROTOTYPE 38
-#define DUK_BIDX_BUFFER_CONSTRUCTOR 39
-#define DUK_BIDX_BUFFER_PROTOTYPE 40
-#define DUK_BIDX_POINTER_CONSTRUCTOR 41
-#define DUK_BIDX_POINTER_PROTOTYPE 42
-#define DUK_BIDX_LOGGER_CONSTRUCTOR 43
-#define DUK_BIDX_LOGGER_PROTOTYPE 44
-#define DUK_BIDX_DOUBLE_ERROR 45
-#define DUK_BIDX_ARRAYBUFFER_CONSTRUCTOR 46
-#define DUK_BIDX_ARRAYBUFFER_PROTOTYPE 47
-#define DUK_BIDX_DATAVIEW_CONSTRUCTOR 48
-#define DUK_BIDX_DATAVIEW_PROTOTYPE 49
-#define DUK_BIDX_TYPEDARRAY_PROTOTYPE 50
-#define DUK_BIDX_INT8ARRAY_CONSTRUCTOR 51
-#define DUK_BIDX_INT8ARRAY_PROTOTYPE 52
-#define DUK_BIDX_UINT8ARRAY_CONSTRUCTOR 53
-#define DUK_BIDX_UINT8ARRAY_PROTOTYPE 54
-#define DUK_BIDX_UINT8CLAMPEDARRAY_CONSTRUCTOR 55
-#define DUK_BIDX_UINT8CLAMPEDARRAY_PROTOTYPE 56
-#define DUK_BIDX_INT16ARRAY_CONSTRUCTOR 57
-#define DUK_BIDX_INT16ARRAY_PROTOTYPE 58
-#define DUK_BIDX_UINT16ARRAY_CONSTRUCTOR 59
-#define DUK_BIDX_UINT16ARRAY_PROTOTYPE 60
-#define DUK_BIDX_INT32ARRAY_CONSTRUCTOR 61
-#define DUK_BIDX_INT32ARRAY_PROTOTYPE 62
-#define DUK_BIDX_UINT32ARRAY_CONSTRUCTOR 63
-#define DUK_BIDX_UINT32ARRAY_PROTOTYPE 64
-#define DUK_BIDX_FLOAT32ARRAY_CONSTRUCTOR 65
-#define DUK_BIDX_FLOAT32ARRAY_PROTOTYPE 66
-#define DUK_BIDX_FLOAT64ARRAY_CONSTRUCTOR 67
-#define DUK_BIDX_FLOAT64ARRAY_PROTOTYPE 68
-#define DUK_BIDX_NODEJS_BUFFER_CONSTRUCTOR 69
-#define DUK_BIDX_NODEJS_BUFFER_PROTOTYPE 70
-#define DUK_NUM_BUILTINS 71
-#define DUK_NUM_BIDX_BUILTINS 71
-#define DUK_NUM_ALL_BUILTINS 71
+#define DUK_BIDX_DUKTAPE 35
+#define DUK_BIDX_THREAD_CONSTRUCTOR 36
+#define DUK_BIDX_THREAD_PROTOTYPE 37
+#define DUK_BIDX_POINTER_CONSTRUCTOR 38
+#define DUK_BIDX_POINTER_PROTOTYPE 39
+#define DUK_BIDX_DOUBLE_ERROR 40
+#define DUK_BIDX_PROXY_CONSTRUCTOR 41
+#define DUK_BIDX_REFLECT 42
+#define DUK_BIDX_SYMBOL_PROTOTYPE 43
+#define DUK_BIDX_ARRAYBUFFER_CONSTRUCTOR 44
+#define DUK_BIDX_ARRAYBUFFER_PROTOTYPE 45
+#define DUK_BIDX_DATAVIEW_CONSTRUCTOR 46
+#define DUK_BIDX_DATAVIEW_PROTOTYPE 47
+#define DUK_BIDX_TYPEDARRAY_CONSTRUCTOR 48
+#define DUK_BIDX_TYPEDARRAY_PROTOTYPE 49
+#define DUK_BIDX_INT8ARRAY_CONSTRUCTOR 50
+#define DUK_BIDX_INT8ARRAY_PROTOTYPE 51
+#define DUK_BIDX_UINT8ARRAY_CONSTRUCTOR 52
+#define DUK_BIDX_UINT8ARRAY_PROTOTYPE 53
+#define DUK_BIDX_UINT8CLAMPEDARRAY_CONSTRUCTOR 54
+#define DUK_BIDX_UINT8CLAMPEDARRAY_PROTOTYPE 55
+#define DUK_BIDX_INT16ARRAY_CONSTRUCTOR 56
+#define DUK_BIDX_INT16ARRAY_PROTOTYPE 57
+#define DUK_BIDX_UINT16ARRAY_CONSTRUCTOR 58
+#define DUK_BIDX_UINT16ARRAY_PROTOTYPE 59
+#define DUK_BIDX_INT32ARRAY_CONSTRUCTOR 60
+#define DUK_BIDX_INT32ARRAY_PROTOTYPE 61
+#define DUK_BIDX_UINT32ARRAY_CONSTRUCTOR 62
+#define DUK_BIDX_UINT32ARRAY_PROTOTYPE 63
+#define DUK_BIDX_FLOAT32ARRAY_CONSTRUCTOR 64
+#define DUK_BIDX_FLOAT32ARRAY_PROTOTYPE 65
+#define DUK_BIDX_FLOAT64ARRAY_CONSTRUCTOR 66
+#define DUK_BIDX_FLOAT64ARRAY_PROTOTYPE 67
+#define DUK_BIDX_NODEJS_BUFFER_CONSTRUCTOR 68
+#define DUK_BIDX_NODEJS_BUFFER_PROTOTYPE 69
+#define DUK_BIDX_TEXTENCODER_CONSTRUCTOR 70
+#define DUK_BIDX_TEXTENCODER_PROTOTYPE 71
+#define DUK_BIDX_TEXTDECODER_CONSTRUCTOR 72
+#define DUK_BIDX_TEXTDECODER_PROTOTYPE 73
+#define DUK_NUM_BUILTINS 74
+#define DUK_NUM_BIDX_BUILTINS 74
+#define DUK_NUM_ALL_BUILTINS 74
#if defined(DUK_USE_DOUBLE_LE)
#if !defined(DUK_SINGLE_FILE)
-DUK_INTERNAL_DECL const duk_uint8_t duk_builtins_data[3833];
+DUK_INTERNAL_DECL const duk_uint8_t duk_builtins_data[3790];
#endif /* !DUK_SINGLE_FILE */
-#define DUK_BUILTINS_DATA_LENGTH 3833
+#define DUK_BUILTINS_DATA_LENGTH 3790
#elif defined(DUK_USE_DOUBLE_BE)
#if !defined(DUK_SINGLE_FILE)
-DUK_INTERNAL_DECL const duk_uint8_t duk_builtins_data[3833];
+DUK_INTERNAL_DECL const duk_uint8_t duk_builtins_data[3790];
#endif /* !DUK_SINGLE_FILE */
-#define DUK_BUILTINS_DATA_LENGTH 3833
+#define DUK_BUILTINS_DATA_LENGTH 3790
#elif defined(DUK_USE_DOUBLE_ME)
#if !defined(DUK_SINGLE_FILE)
-DUK_INTERNAL_DECL const duk_uint8_t duk_builtins_data[3833];
+DUK_INTERNAL_DECL const duk_uint8_t duk_builtins_data[3790];
#endif /* !DUK_SINGLE_FILE */
-#define DUK_BUILTINS_DATA_LENGTH 3833
+#define DUK_BUILTINS_DATA_LENGTH 3790
#else
#error invalid endianness defines
#endif
#endif /* DUK_USE_ROM_OBJECTS */
#endif /* DUK_BUILTINS_H_INCLUDED */
-#line 52 "duk_internal.h"
-#line 1 "duk_util.h"
+/* #include duk_util.h */
/*
* Utilities
*/
-#ifndef DUK_UTIL_H_INCLUDED
+#if !defined(DUK_UTIL_H_INCLUDED)
#define DUK_UTIL_H_INCLUDED
#define DUK_UTIL_MIN_HASH_PRIME 17 /* must match genhashsizes.py */
#define DUK_UTIL_GET_HASH_PROBE_STEP(hash) (duk_util_probe_steps[(hash) & 0x1f])
+#if defined(DUK_USE_GET_RANDOM_DOUBLE)
+#define DUK_UTIL_GET_RANDOM_DOUBLE(thr) DUK_USE_GET_RANDOM_DOUBLE((thr)->heap_udata)
+#else
+#define DUK_UTIL_GET_RANDOM_DOUBLE(thr) duk_util_tinyrandom_get_double(thr)
+#endif
+
+/*
+ * Some useful constants
+ */
+
+#define DUK_DOUBLE_2TO32 4294967296.0
+#define DUK_DOUBLE_2TO31 2147483648.0
+#define DUK_DOUBLE_LOG2E 1.4426950408889634
+#define DUK_DOUBLE_LOG10E 0.4342944819032518
+
/*
* Endian conversion
*/
@@ -1773,6 +1861,8 @@ struct duk_bitdecoder_ctx {
duk_small_int_t currbits;
};
+#define DUK_BD_BITPACKED_STRING_MAXLEN 256
+
/*
* Bitstream encoder
*/
@@ -2225,15 +2315,19 @@ DUK_INTERNAL_DECL duk_uint32_t duk_util_hashbytes(const duk_uint8_t *data, duk_s
DUK_INTERNAL_DECL duk_uint32_t duk_util_get_hash_prime(duk_uint32_t size);
#endif
-DUK_INTERNAL_DECL duk_int32_t duk_bd_decode(duk_bitdecoder_ctx *ctx, duk_small_int_t bits);
-DUK_INTERNAL_DECL duk_small_int_t duk_bd_decode_flag(duk_bitdecoder_ctx *ctx);
-DUK_INTERNAL_DECL duk_int32_t duk_bd_decode_flagged(duk_bitdecoder_ctx *ctx, duk_small_int_t bits, duk_int32_t def_value);
+DUK_INTERNAL_DECL duk_uint32_t duk_bd_decode(duk_bitdecoder_ctx *ctx, duk_small_int_t bits);
+DUK_INTERNAL_DECL duk_small_uint_t duk_bd_decode_flag(duk_bitdecoder_ctx *ctx);
+DUK_INTERNAL_DECL duk_uint32_t duk_bd_decode_flagged(duk_bitdecoder_ctx *ctx, duk_small_int_t bits, duk_uint32_t def_value);
+DUK_INTERNAL_DECL duk_uint32_t duk_bd_decode_varuint(duk_bitdecoder_ctx *ctx);
+DUK_INTERNAL_DECL duk_small_uint_t duk_bd_decode_bitpacked_string(duk_bitdecoder_ctx *bd, duk_uint8_t *out);
DUK_INTERNAL_DECL void duk_be_encode(duk_bitencoder_ctx *ctx, duk_uint32_t data, duk_small_int_t bits);
DUK_INTERNAL_DECL void duk_be_finish(duk_bitencoder_ctx *ctx);
-DUK_INTERNAL_DECL duk_uint32_t duk_util_tinyrandom_get_bits(duk_hthread *thr, duk_small_int_t n);
+#if !defined(DUK_USE_GET_RANDOM_DOUBLE)
DUK_INTERNAL_DECL duk_double_t duk_util_tinyrandom_get_double(duk_hthread *thr);
+DUK_INTERNAL_DECL void duk_util_tinyrandom_prepare_seed(duk_hthread *thr);
+#endif
DUK_INTERNAL_DECL void duk_bw_init(duk_hthread *thr, duk_bufwriter_ctx *bw_ctx, duk_hbuffer_dynamic *h_buf);
DUK_INTERNAL_DECL void duk_bw_init_pushbuf(duk_hthread *thr, duk_bufwriter_ctx *bw_ctx, duk_size_t buf_size);
@@ -2250,483 +2344,672 @@ DUK_INTERNAL_DECL duk_uint8_t *duk_bw_insert_ensure_area(duk_hthread *thr, duk_b
DUK_INTERNAL_DECL void duk_bw_remove_raw_slice(duk_hthread *thr, duk_bufwriter_ctx *bw, duk_size_t off, duk_size_t len);
/* No duk_bw_remove_ensure_slice(), functionality would be identical. */
-DUK_INTERNAL_DECL DUK_INLINE duk_uint16_t duk_raw_read_u16_be(duk_uint8_t **p);
-DUK_INTERNAL_DECL DUK_INLINE duk_uint32_t duk_raw_read_u32_be(duk_uint8_t **p);
-DUK_INTERNAL_DECL DUK_INLINE duk_double_t duk_raw_read_double_be(duk_uint8_t **p);
-DUK_INTERNAL_DECL DUK_INLINE void duk_raw_write_u16_be(duk_uint8_t **p, duk_uint16_t val);
-DUK_INTERNAL_DECL DUK_INLINE void duk_raw_write_u32_be(duk_uint8_t **p, duk_uint32_t val);
-DUK_INTERNAL_DECL DUK_INLINE void duk_raw_write_double_be(duk_uint8_t **p, duk_double_t val);
+DUK_INTERNAL_DECL duk_uint16_t duk_raw_read_u16_be(duk_uint8_t **p);
+DUK_INTERNAL_DECL duk_uint32_t duk_raw_read_u32_be(duk_uint8_t **p);
+DUK_INTERNAL_DECL duk_double_t duk_raw_read_double_be(duk_uint8_t **p);
+DUK_INTERNAL_DECL void duk_raw_write_u16_be(duk_uint8_t **p, duk_uint16_t val);
+DUK_INTERNAL_DECL void duk_raw_write_u32_be(duk_uint8_t **p, duk_uint32_t val);
+DUK_INTERNAL_DECL void duk_raw_write_double_be(duk_uint8_t **p, duk_double_t val);
#if defined(DUK_USE_DEBUGGER_SUPPORT) /* For now only needed by the debugger. */
-DUK_INTERNAL void duk_byteswap_bytes(duk_uint8_t *p, duk_small_uint_t len);
-#endif
+DUK_INTERNAL_DECL void duk_byteswap_bytes(duk_uint8_t *p, duk_small_uint_t len);
+#endif
+
+DUK_INTERNAL_DECL duk_bool_t duk_is_whole_get_int32_nonegzero(duk_double_t x, duk_int32_t *ival);
+DUK_INTERNAL_DECL duk_bool_t duk_is_whole_get_int32(duk_double_t x, duk_int32_t *ival);
+DUK_INTERNAL_DECL duk_bool_t duk_double_is_anyinf(duk_double_t x);
+DUK_INTERNAL_DECL duk_bool_t duk_double_is_posinf(duk_double_t x);
+DUK_INTERNAL_DECL duk_bool_t duk_double_is_neginf(duk_double_t x);
+DUK_INTERNAL_DECL duk_bool_t duk_double_is_nan(duk_double_t x);
+DUK_INTERNAL_DECL duk_bool_t duk_double_is_nan_or_zero(duk_double_t x);
+DUK_INTERNAL_DECL duk_bool_t duk_double_is_nan_or_inf(duk_double_t x);
+DUK_INTERNAL_DECL duk_bool_t duk_double_is_nan_zero_inf(duk_double_t x);
+DUK_INTERNAL_DECL duk_small_uint_t duk_double_signbit(duk_double_t x);
+DUK_INTERNAL_DECL duk_double_t duk_double_trunc_towards_zero(duk_double_t x);
+DUK_INTERNAL_DECL duk_bool_t duk_double_same_sign(duk_double_t x, duk_double_t y);
+DUK_INTERNAL_DECL duk_double_t duk_double_fmin(duk_double_t x, duk_double_t y);
+DUK_INTERNAL_DECL duk_double_t duk_double_fmax(duk_double_t x, duk_double_t y);
#endif /* DUK_UTIL_H_INCLUDED */
-#line 1 "duk_strings.h"
+/* #include duk_strings.h */
/*
- * Shared error messages: declarations and macros
+ * Shared string macros.
*
- * Error messages are accessed through macros with fine-grained, explicit
- * error message distinctions. Concrete error messages are selected by the
- * macros and multiple macros can map to the same concrete string to save
- * on code footprint. This allows flexible footprint/verbosity tuning with
- * minimal code impact. There are a few limitations to this approach:
- * (1) switching between plain messages and format strings doesn't work
- * conveniently, and (2) conditional strings are a bit awkward to handle.
+ * Using shared macros helps minimize strings data size because it's easy
+ * to check if an existing string could be used. String constants don't
+ * need to be all defined here; defining a string here makes sense if there's
+ * a high chance the string could be reused. Also, using macros allows
+ * a call site express the exact string needed, but the macro may map to an
+ * approximate string to reduce unique string count. Macros can also be
+ * more easily tuned for low memory targets than #if defined()s throughout
+ * the code base.
*
* Because format strings behave differently in the call site (they need to
- * be followed by format arguments), they have a special prefix (DUK_STR_FMT_
- * and duk_str_fmt_).
+ * be followed by format arguments), they use a special prefix DUK_STR_FMT_.
*
* On some compilers using explicit shared strings is preferable; on others
* it may be better to use straight literals because the compiler will combine
* them anyway, and such strings won't end up unnecessarily in a symbol table.
*/
-#ifndef DUK_ERRMSG_H_INCLUDED
+#if !defined(DUK_ERRMSG_H_INCLUDED)
#define DUK_ERRMSG_H_INCLUDED
-#define DUK_STR_INTERNAL_ERROR duk_str_internal_error
-#define DUK_STR_INVALID_COUNT duk_str_invalid_count
-#define DUK_STR_INVALID_CALL_ARGS duk_str_invalid_call_args
-#define DUK_STR_NOT_CONSTRUCTABLE duk_str_not_constructable
-#define DUK_STR_NOT_CALLABLE duk_str_not_callable
-#define DUK_STR_NOT_EXTENSIBLE duk_str_not_extensible
-#define DUK_STR_NOT_WRITABLE duk_str_not_writable
-#define DUK_STR_NOT_CONFIGURABLE duk_str_not_configurable
-
-#if !defined(DUK_SINGLE_FILE)
-DUK_INTERNAL_DECL const char *duk_str_internal_error;
-DUK_INTERNAL_DECL const char *duk_str_invalid_count;
-DUK_INTERNAL_DECL const char *duk_str_invalid_call_args;
-DUK_INTERNAL_DECL const char *duk_str_not_constructable;
-DUK_INTERNAL_DECL const char *duk_str_not_callable;
-DUK_INTERNAL_DECL const char *duk_str_not_extensible;
-DUK_INTERNAL_DECL const char *duk_str_not_writable;
-DUK_INTERNAL_DECL const char *duk_str_not_configurable;
-#endif /* !DUK_SINGLE_FILE */
-
-#define DUK_STR_INVALID_CONTEXT duk_str_invalid_context
-#define DUK_STR_INVALID_INDEX duk_str_invalid_call_args
-#define DUK_STR_PUSH_BEYOND_ALLOC_STACK duk_str_push_beyond_alloc_stack
-#define DUK_STR_NOT_UNDEFINED duk_str_unexpected_type
-#define DUK_STR_NOT_NULL duk_str_unexpected_type
-#define DUK_STR_NOT_BOOLEAN duk_str_unexpected_type
-#define DUK_STR_NOT_NUMBER duk_str_unexpected_type
-#define DUK_STR_NOT_STRING duk_str_unexpected_type
-#define DUK_STR_NOT_OBJECT duk_str_unexpected_type
-#define DUK_STR_NOT_POINTER duk_str_unexpected_type
-#define DUK_STR_NOT_BUFFER duk_str_not_buffer /* still in use with verbose messages */
-#define DUK_STR_UNEXPECTED_TYPE duk_str_unexpected_type
-#define DUK_STR_NOT_THREAD duk_str_unexpected_type
-#define DUK_STR_NOT_COMPILEDFUNCTION duk_str_unexpected_type
-#define DUK_STR_NOT_NATIVEFUNCTION duk_str_unexpected_type
-#define DUK_STR_NOT_C_FUNCTION duk_str_unexpected_type
-#define DUK_STR_NOT_FUNCTION duk_str_unexpected_type
-#define DUK_STR_NOT_REGEXP duk_str_unexpected_type
-#define DUK_STR_DEFAULTVALUE_COERCE_FAILED duk_str_defaultvalue_coerce_failed
-#define DUK_STR_NUMBER_OUTSIDE_RANGE duk_str_number_outside_range
-#define DUK_STR_NOT_OBJECT_COERCIBLE duk_str_not_object_coercible
-#define DUK_STR_STRING_TOO_LONG duk_str_string_too_long
-#define DUK_STR_BUFFER_TOO_LONG duk_str_buffer_too_long
-#define DUK_STR_SPRINTF_TOO_LONG duk_str_sprintf_too_long
-#define DUK_STR_ALLOC_FAILED duk_str_alloc_failed
-#define DUK_STR_POP_TOO_MANY duk_str_pop_too_many
-#define DUK_STR_WRONG_BUFFER_TYPE duk_str_wrong_buffer_type
-#define DUK_STR_ENCODE_FAILED duk_str_encode_failed
-#define DUK_STR_DECODE_FAILED duk_str_decode_failed
-#define DUK_STR_NO_SOURCECODE duk_str_no_sourcecode
-#define DUK_STR_CONCAT_RESULT_TOO_LONG duk_str_concat_result_too_long
-#define DUK_STR_UNIMPLEMENTED duk_str_unimplemented
-#define DUK_STR_UNSUPPORTED duk_str_unsupported
-#define DUK_STR_ARRAY_LENGTH_OVER_2G duk_str_array_length_over_2g
-
-#if !defined(DUK_SINGLE_FILE)
-DUK_INTERNAL_DECL const char *duk_str_invalid_context;
-DUK_INTERNAL_DECL const char *duk_str_push_beyond_alloc_stack;
-DUK_INTERNAL_DECL const char *duk_str_not_buffer;
-DUK_INTERNAL_DECL const char *duk_str_unexpected_type;
-DUK_INTERNAL_DECL const char *duk_str_defaultvalue_coerce_failed;
-DUK_INTERNAL_DECL const char *duk_str_number_outside_range;
-DUK_INTERNAL_DECL const char *duk_str_not_object_coercible;
-DUK_INTERNAL_DECL const char *duk_str_string_too_long;
-DUK_INTERNAL_DECL const char *duk_str_buffer_too_long;
-DUK_INTERNAL_DECL const char *duk_str_sprintf_too_long;
-DUK_INTERNAL_DECL const char *duk_str_alloc_failed;
-DUK_INTERNAL_DECL const char *duk_str_pop_too_many;
-DUK_INTERNAL_DECL const char *duk_str_wrong_buffer_type;
-DUK_INTERNAL_DECL const char *duk_str_encode_failed;
-DUK_INTERNAL_DECL const char *duk_str_decode_failed;
-DUK_INTERNAL_DECL const char *duk_str_no_sourcecode;
-DUK_INTERNAL_DECL const char *duk_str_concat_result_too_long;
-DUK_INTERNAL_DECL const char *duk_str_unimplemented;
-DUK_INTERNAL_DECL const char *duk_str_unsupported;
-DUK_INTERNAL_DECL const char *duk_str_array_length_over_2g;
-#endif /* !DUK_SINGLE_FILE */
-
-#define DUK_STR_FMT_PTR duk_str_fmt_ptr
-#define DUK_STR_FMT_INVALID_JSON duk_str_fmt_invalid_json
-#define DUK_STR_JSONDEC_RECLIMIT duk_str_jsondec_reclimit
-#define DUK_STR_JSONENC_RECLIMIT duk_str_jsonenc_reclimit
-#define DUK_STR_CYCLIC_INPUT duk_str_cyclic_input
-
-#if !defined(DUK_SINGLE_FILE)
-DUK_INTERNAL_DECL const char *duk_str_fmt_ptr;
-DUK_INTERNAL_DECL const char *duk_str_fmt_invalid_json;
-DUK_INTERNAL_DECL const char *duk_str_jsondec_reclimit;
-DUK_INTERNAL_DECL const char *duk_str_jsonenc_reclimit;
-DUK_INTERNAL_DECL const char *duk_str_cyclic_input;
-#endif /* !DUK_SINGLE_FILE */
-
-#define DUK_STR_PROXY_REVOKED duk_str_proxy_revoked
-#define DUK_STR_INVALID_BASE duk_str_invalid_base
-#define DUK_STR_STRICT_CALLER_READ duk_str_strict_caller_read
-#define DUK_STR_PROXY_REJECTED duk_str_proxy_rejected
-#define DUK_STR_INVALID_ARRAY_LENGTH duk_str_invalid_array_length
-#define DUK_STR_ARRAY_LENGTH_WRITE_FAILED duk_str_array_length_write_failed
-#define DUK_STR_ARRAY_LENGTH_NOT_WRITABLE duk_str_array_length_not_writable
-#define DUK_STR_SETTER_UNDEFINED duk_str_setter_undefined
-#define DUK_STR_REDEFINE_VIRT_PROP duk_str_redefine_virt_prop
-#define DUK_STR_INVALID_DESCRIPTOR duk_str_invalid_descriptor
-#define DUK_STR_PROPERTY_IS_VIRTUAL duk_str_property_is_virtual
-
-#if !defined(DUK_SINGLE_FILE)
-DUK_INTERNAL_DECL const char *duk_str_proxy_revoked;
-DUK_INTERNAL_DECL const char *duk_str_invalid_base;
-DUK_INTERNAL_DECL const char *duk_str_strict_caller_read;
-DUK_INTERNAL_DECL const char *duk_str_proxy_rejected;
-DUK_INTERNAL_DECL const char *duk_str_invalid_array_length;
-DUK_INTERNAL_DECL const char *duk_str_array_length_write_failed;
-DUK_INTERNAL_DECL const char *duk_str_array_length_not_writable;
-DUK_INTERNAL_DECL const char *duk_str_setter_undefined;
-DUK_INTERNAL_DECL const char *duk_str_redefine_virt_prop;
-DUK_INTERNAL_DECL const char *duk_str_invalid_descriptor;
-DUK_INTERNAL_DECL const char *duk_str_property_is_virtual;
-#endif /* !DUK_SINGLE_FILE */
-
-#define DUK_STR_PARSE_ERROR duk_str_parse_error
-#define DUK_STR_DUPLICATE_LABEL duk_str_duplicate_label
-#define DUK_STR_INVALID_LABEL duk_str_invalid_label
-#define DUK_STR_INVALID_ARRAY_LITERAL duk_str_invalid_array_literal
-#define DUK_STR_INVALID_OBJECT_LITERAL duk_str_invalid_object_literal
-#define DUK_STR_INVALID_VAR_DECLARATION duk_str_invalid_var_declaration
-#define DUK_STR_CANNOT_DELETE_IDENTIFIER duk_str_cannot_delete_identifier
-#define DUK_STR_INVALID_EXPRESSION duk_str_invalid_expression
-#define DUK_STR_INVALID_LVALUE duk_str_invalid_lvalue
-#define DUK_STR_EXPECTED_IDENTIFIER duk_str_expected_identifier
-#define DUK_STR_EMPTY_EXPR_NOT_ALLOWED duk_str_empty_expr_not_allowed
-#define DUK_STR_INVALID_FOR duk_str_invalid_for
-#define DUK_STR_INVALID_SWITCH duk_str_invalid_switch
-#define DUK_STR_INVALID_BREAK_CONT_LABEL duk_str_invalid_break_cont_label
-#define DUK_STR_INVALID_RETURN duk_str_invalid_return
-#define DUK_STR_INVALID_TRY duk_str_invalid_try
-#define DUK_STR_INVALID_THROW duk_str_invalid_throw
-#define DUK_STR_WITH_IN_STRICT_MODE duk_str_with_in_strict_mode
-#define DUK_STR_FUNC_STMT_NOT_ALLOWED duk_str_func_stmt_not_allowed
-#define DUK_STR_UNTERMINATED_STMT duk_str_unterminated_stmt
-#define DUK_STR_INVALID_ARG_NAME duk_str_invalid_arg_name
-#define DUK_STR_INVALID_FUNC_NAME duk_str_invalid_func_name
-#define DUK_STR_INVALID_GETSET_NAME duk_str_invalid_getset_name
-#define DUK_STR_FUNC_NAME_REQUIRED duk_str_func_name_required
-
-#if !defined(DUK_SINGLE_FILE)
-DUK_INTERNAL_DECL const char *duk_str_parse_error;
-DUK_INTERNAL_DECL const char *duk_str_duplicate_label;
-DUK_INTERNAL_DECL const char *duk_str_invalid_label;
-DUK_INTERNAL_DECL const char *duk_str_invalid_array_literal;
-DUK_INTERNAL_DECL const char *duk_str_invalid_object_literal;
-DUK_INTERNAL_DECL const char *duk_str_invalid_var_declaration;
-DUK_INTERNAL_DECL const char *duk_str_cannot_delete_identifier;
-DUK_INTERNAL_DECL const char *duk_str_invalid_expression;
-DUK_INTERNAL_DECL const char *duk_str_invalid_lvalue;
-DUK_INTERNAL_DECL const char *duk_str_expected_identifier;
-DUK_INTERNAL_DECL const char *duk_str_empty_expr_not_allowed;
-DUK_INTERNAL_DECL const char *duk_str_invalid_for;
-DUK_INTERNAL_DECL const char *duk_str_invalid_switch;
-DUK_INTERNAL_DECL const char *duk_str_invalid_break_cont_label;
-DUK_INTERNAL_DECL const char *duk_str_invalid_return;
-DUK_INTERNAL_DECL const char *duk_str_invalid_try;
-DUK_INTERNAL_DECL const char *duk_str_invalid_throw;
-DUK_INTERNAL_DECL const char *duk_str_with_in_strict_mode;
-DUK_INTERNAL_DECL const char *duk_str_func_stmt_not_allowed;
-DUK_INTERNAL_DECL const char *duk_str_unterminated_stmt;
-DUK_INTERNAL_DECL const char *duk_str_invalid_arg_name;
-DUK_INTERNAL_DECL const char *duk_str_invalid_func_name;
-DUK_INTERNAL_DECL const char *duk_str_invalid_getset_name;
-DUK_INTERNAL_DECL const char *duk_str_func_name_required;
-#endif /* !DUK_SINGLE_FILE */
+/* Mostly API and built-in method related */
+#define DUK_STR_INTERNAL_ERROR "internal error"
+#define DUK_STR_UNSUPPORTED "unsupported"
+#define DUK_STR_INVALID_COUNT "invalid count"
+#define DUK_STR_INVALID_ARGS "invalid args"
+#define DUK_STR_INVALID_STATE "invalid state"
+#define DUK_STR_INVALID_INPUT "invalid input"
+#define DUK_STR_INVALID_LENGTH "invalid length"
+#define DUK_STR_NOT_CONSTRUCTABLE "not constructable"
+#define DUK_STR_CONSTRUCT_ONLY "constructor requires 'new'"
+#define DUK_STR_NOT_CALLABLE "not callable"
+#define DUK_STR_NOT_EXTENSIBLE "not extensible"
+#define DUK_STR_NOT_WRITABLE "not writable"
+#define DUK_STR_NOT_CONFIGURABLE "not configurable"
+#define DUK_STR_INVALID_CONTEXT "invalid context"
+#define DUK_STR_INVALID_INDEX "invalid args"
+#define DUK_STR_PUSH_BEYOND_ALLOC_STACK "cannot push beyond allocated stack"
+#define DUK_STR_NOT_UNDEFINED "unexpected type"
+#define DUK_STR_NOT_NULL "unexpected type"
+#define DUK_STR_NOT_BOOLEAN "unexpected type"
+#define DUK_STR_NOT_NUMBER "unexpected type"
+#define DUK_STR_NOT_STRING "unexpected type"
+#define DUK_STR_NOT_OBJECT "unexpected type"
+#define DUK_STR_NOT_POINTER "unexpected type"
+#define DUK_STR_NOT_BUFFER "not buffer" /* still in use with verbose messages */
+#define DUK_STR_UNEXPECTED_TYPE "unexpected type"
+#define DUK_STR_NOT_THREAD "unexpected type"
+#define DUK_STR_NOT_COMPFUNC "unexpected type"
+#define DUK_STR_NOT_NATFUNC "unexpected type"
+#define DUK_STR_NOT_C_FUNCTION "unexpected type"
+#define DUK_STR_NOT_FUNCTION "unexpected type"
+#define DUK_STR_NOT_REGEXP "unexpected type"
+#define DUK_STR_TOPRIMITIVE_FAILED "coercion to primitive failed"
+#define DUK_STR_NUMBER_OUTSIDE_RANGE "number outside range"
+#define DUK_STR_NOT_OBJECT_COERCIBLE "not object coercible"
+#define DUK_STR_CANNOT_NUMBER_COERCE_SYMBOL "cannot number coerce Symbol"
+#define DUK_STR_CANNOT_STRING_COERCE_SYMBOL "cannot string coerce Symbol"
+#define DUK_STR_STRING_TOO_LONG "string too long"
+#define DUK_STR_BUFFER_TOO_LONG "buffer too long"
+#define DUK_STR_ALLOC_FAILED "alloc failed"
+#define DUK_STR_WRONG_BUFFER_TYPE "wrong buffer type"
+#define DUK_STR_ENCODE_FAILED "encode failed"
+#define DUK_STR_DECODE_FAILED "decode failed"
+#define DUK_STR_NO_SOURCECODE "no sourcecode"
+#define DUK_STR_RESULT_TOO_LONG "result too long"
-#define DUK_STR_INVALID_QUANTIFIER_NO_ATOM duk_str_invalid_quantifier_no_atom
-#define DUK_STR_INVALID_QUANTIFIER_VALUES duk_str_invalid_quantifier_values
-#define DUK_STR_QUANTIFIER_TOO_MANY_COPIES duk_str_quantifier_too_many_copies
-#define DUK_STR_UNEXPECTED_CLOSING_PAREN duk_str_unexpected_closing_paren
-#define DUK_STR_UNEXPECTED_END_OF_PATTERN duk_str_unexpected_end_of_pattern
-#define DUK_STR_UNEXPECTED_REGEXP_TOKEN duk_str_unexpected_regexp_token
-#define DUK_STR_INVALID_REGEXP_FLAGS duk_str_invalid_regexp_flags
-#define DUK_STR_INVALID_BACKREFS duk_str_invalid_backrefs
+/* JSON */
+#define DUK_STR_FMT_PTR "%p"
+#define DUK_STR_FMT_INVALID_JSON "invalid json (at offset %ld)"
+#define DUK_STR_JSONDEC_RECLIMIT "json decode recursion limit"
+#define DUK_STR_JSONENC_RECLIMIT "json encode recursion limit"
+#define DUK_STR_CYCLIC_INPUT "cyclic input"
-#if !defined(DUK_SINGLE_FILE)
-DUK_INTERNAL_DECL const char *duk_str_invalid_quantifier_no_atom;
-DUK_INTERNAL_DECL const char *duk_str_invalid_quantifier_values;
-DUK_INTERNAL_DECL const char *duk_str_quantifier_too_many_copies;
-DUK_INTERNAL_DECL const char *duk_str_unexpected_closing_paren;
-DUK_INTERNAL_DECL const char *duk_str_unexpected_end_of_pattern;
-DUK_INTERNAL_DECL const char *duk_str_unexpected_regexp_token;
-DUK_INTERNAL_DECL const char *duk_str_invalid_regexp_flags;
-DUK_INTERNAL_DECL const char *duk_str_invalid_backrefs;
-#endif /* !DUK_SINGLE_FILE */
+/* Object property access */
+#define DUK_STR_PROXY_REVOKED "proxy revoked"
+#define DUK_STR_INVALID_BASE "invalid base value"
+#define DUK_STR_STRICT_CALLER_READ "cannot read strict 'caller'"
+#define DUK_STR_PROXY_REJECTED "proxy rejected"
+#define DUK_STR_INVALID_ARRAY_LENGTH "invalid array length"
+#define DUK_STR_SETTER_UNDEFINED "setter undefined"
+#define DUK_STR_INVALID_DESCRIPTOR "invalid descriptor"
+
+/* Proxy */
+#define DUK_STR_INVALID_TRAP_RESULT "invalid trap result"
+
+/* Variables */
+
+/* Lexer */
+#define DUK_STR_INVALID_ESCAPE "invalid escape"
+#define DUK_STR_UNTERMINATED_STRING "unterminated string"
+#define DUK_STR_UNTERMINATED_COMMENT "unterminated comment"
+#define DUK_STR_UNTERMINATED_REGEXP "unterminated regexp"
+#define DUK_STR_TOKEN_LIMIT "token limit"
+#define DUK_STR_REGEXP_SUPPORT_DISABLED "regexp support disabled"
+#define DUK_STR_INVALID_NUMBER_LITERAL "invalid number literal"
+#define DUK_STR_INVALID_TOKEN "invalid token"
-#define DUK_STR_VALSTACK_LIMIT duk_str_valstack_limit
-#define DUK_STR_CALLSTACK_LIMIT duk_str_callstack_limit
-#define DUK_STR_CATCHSTACK_LIMIT duk_str_catchstack_limit
-#define DUK_STR_PROTOTYPE_CHAIN_LIMIT duk_str_prototype_chain_limit
-#define DUK_STR_BOUND_CHAIN_LIMIT duk_str_bound_chain_limit
-#define DUK_STR_C_CALLSTACK_LIMIT duk_str_c_callstack_limit
-#define DUK_STR_COMPILER_RECURSION_LIMIT duk_str_compiler_recursion_limit
-#define DUK_STR_BYTECODE_LIMIT duk_str_bytecode_limit
-#define DUK_STR_REG_LIMIT duk_str_reg_limit
-#define DUK_STR_TEMP_LIMIT duk_str_temp_limit
-#define DUK_STR_CONST_LIMIT duk_str_const_limit
-#define DUK_STR_FUNC_LIMIT duk_str_func_limit
-#define DUK_STR_REGEXP_COMPILER_RECURSION_LIMIT duk_str_regexp_compiler_recursion_limit
-#define DUK_STR_REGEXP_EXECUTOR_RECURSION_LIMIT duk_str_regexp_executor_recursion_limit
-#define DUK_STR_REGEXP_EXECUTOR_STEP_LIMIT duk_str_regexp_executor_step_limit
+/* Compiler */
+#define DUK_STR_PARSE_ERROR "parse error"
+#define DUK_STR_DUPLICATE_LABEL "duplicate label"
+#define DUK_STR_INVALID_LABEL "invalid label"
+#define DUK_STR_INVALID_ARRAY_LITERAL "invalid array literal"
+#define DUK_STR_INVALID_OBJECT_LITERAL "invalid object literal"
+#define DUK_STR_INVALID_VAR_DECLARATION "invalid variable declaration"
+#define DUK_STR_CANNOT_DELETE_IDENTIFIER "cannot delete identifier"
+#define DUK_STR_INVALID_EXPRESSION "invalid expression"
+#define DUK_STR_INVALID_LVALUE "invalid lvalue"
+#define DUK_STR_EXPECTED_IDENTIFIER "expected identifier"
+#define DUK_STR_EMPTY_EXPR_NOT_ALLOWED "empty expression not allowed"
+#define DUK_STR_INVALID_FOR "invalid for statement"
+#define DUK_STR_INVALID_SWITCH "invalid switch statement"
+#define DUK_STR_INVALID_BREAK_CONT_LABEL "invalid break/continue label"
+#define DUK_STR_INVALID_RETURN "invalid return"
+#define DUK_STR_INVALID_TRY "invalid try"
+#define DUK_STR_INVALID_THROW "invalid throw"
+#define DUK_STR_WITH_IN_STRICT_MODE "with in strict mode"
+#define DUK_STR_FUNC_STMT_NOT_ALLOWED "function statement not allowed"
+#define DUK_STR_UNTERMINATED_STMT "unterminated statement"
+#define DUK_STR_INVALID_ARG_NAME "invalid argument name"
+#define DUK_STR_INVALID_FUNC_NAME "invalid function name"
+#define DUK_STR_INVALID_GETSET_NAME "invalid getter/setter name"
+#define DUK_STR_FUNC_NAME_REQUIRED "function name required"
-#if !defined(DUK_SINGLE_FILE)
-DUK_INTERNAL_DECL const char *duk_str_valstack_limit;
-DUK_INTERNAL_DECL const char *duk_str_callstack_limit;
-DUK_INTERNAL_DECL const char *duk_str_catchstack_limit;
-DUK_INTERNAL_DECL const char *duk_str_prototype_chain_limit;
-DUK_INTERNAL_DECL const char *duk_str_bound_chain_limit;
-DUK_INTERNAL_DECL const char *duk_str_c_callstack_limit;
-DUK_INTERNAL_DECL const char *duk_str_compiler_recursion_limit;
-DUK_INTERNAL_DECL const char *duk_str_bytecode_limit;
-DUK_INTERNAL_DECL const char *duk_str_reg_limit;
-DUK_INTERNAL_DECL const char *duk_str_temp_limit;
-DUK_INTERNAL_DECL const char *duk_str_const_limit;
-DUK_INTERNAL_DECL const char *duk_str_func_limit;
-DUK_INTERNAL_DECL const char *duk_str_regexp_compiler_recursion_limit;
-DUK_INTERNAL_DECL const char *duk_str_regexp_executor_recursion_limit;
-DUK_INTERNAL_DECL const char *duk_str_regexp_executor_step_limit;
-#endif /* !DUK_SINGLE_FILE */
+/* Regexp */
+#define DUK_STR_INVALID_QUANTIFIER "invalid regexp quantifier"
+#define DUK_STR_INVALID_QUANTIFIER_NO_ATOM "quantifier without preceding atom"
+#define DUK_STR_INVALID_QUANTIFIER_VALUES "quantifier values invalid (qmin > qmax)"
+#define DUK_STR_QUANTIFIER_TOO_MANY_COPIES "quantifier requires too many atom copies"
+#define DUK_STR_UNEXPECTED_CLOSING_PAREN "unexpected closing parenthesis"
+#define DUK_STR_UNEXPECTED_END_OF_PATTERN "unexpected end of pattern"
+#define DUK_STR_UNEXPECTED_REGEXP_TOKEN "unexpected token in regexp"
+#define DUK_STR_INVALID_REGEXP_FLAGS "invalid regexp flags"
+#define DUK_STR_INVALID_REGEXP_ESCAPE "invalid regexp escape"
+#define DUK_STR_INVALID_BACKREFS "invalid backreference(s)"
+#define DUK_STR_INVALID_REGEXP_CHARACTER "invalid regexp character"
+#define DUK_STR_UNTERMINATED_CHARCLASS "unterminated character class"
+#define DUK_STR_INVALID_RANGE "invalid range"
-#if !defined(DUK_SINGLE_FILE)
-DUK_INTERNAL_DECL const char *duk_str_anon;
-#endif /* !DUK_SINGLE_FILE */
+/* Limits */
+#define DUK_STR_VALSTACK_LIMIT "valstack limit"
+#define DUK_STR_CALLSTACK_LIMIT "callstack limit"
+#define DUK_STR_CATCHSTACK_LIMIT "catchstack limit"
+#define DUK_STR_PROTOTYPE_CHAIN_LIMIT "prototype chain limit"
+#define DUK_STR_BOUND_CHAIN_LIMIT "function call bound chain limit"
+#define DUK_STR_C_CALLSTACK_LIMIT "C call stack depth limit"
+#define DUK_STR_COMPILER_RECURSION_LIMIT "compiler recursion limit"
+#define DUK_STR_BYTECODE_LIMIT "bytecode limit"
+#define DUK_STR_REG_LIMIT "register limit"
+#define DUK_STR_TEMP_LIMIT "temp limit"
+#define DUK_STR_CONST_LIMIT "const limit"
+#define DUK_STR_FUNC_LIMIT "function limit"
+#define DUK_STR_REGEXP_COMPILER_RECURSION_LIMIT "regexp compiler recursion limit"
+#define DUK_STR_REGEXP_EXECUTOR_RECURSION_LIMIT "regexp executor recursion limit"
+#define DUK_STR_REGEXP_EXECUTOR_STEP_LIMIT "regexp step limit"
#endif /* DUK_ERRMSG_H_INCLUDED */
-#line 1 "duk_js_bytecode.h"
+/* #include duk_js_bytecode.h */
/*
* Ecmascript bytecode
*/
-#ifndef DUK_JS_BYTECODE_H_INCLUDED
+#if !defined(DUK_JS_BYTECODE_H_INCLUDED)
#define DUK_JS_BYTECODE_H_INCLUDED
/*
- * Logical instruction layout
- * ==========================
+ * Bytecode instruction layout
+ * ===========================
+ *
+ * Instructions are unsigned 32-bit integers divided as follows:
*
* !3!3!2!2!2!2!2!2!2!2!2!2!1!1!1!1!1!1!1!1!1!1! ! ! ! ! ! ! ! ! ! !
* !1!0!9!8!7!6!5!4!3!2!1!0!9!8!7!6!5!4!3!2!1!0!9!8!7!6!5!4!3!2!1!0!
- * +---------------------------------------------------+-----------+
- * ! C ! B ! A ! OP !
- * +---------------------------------------------------+-----------+
+ * +-----------------------------------------------+---------------+
+ * ! C ! B ! A ! OP !
+ * +-----------------------------------------------+---------------+
*
- * OP (6 bits): opcode (DUK_OP_*), access should be fastest
- * A (8 bits): typically a target register number
- * B (9 bits): typically first source register/constant number
- * C (9 bits): typically second source register/constant number
+ * OP (8 bits): opcode (DUK_OP_*), access should be fastest
+ * consecutive opcodes allocated when opcode needs flags
+ * A (8 bits): typically a target register number
+ * B (8 bits): typically first source register/constant number
+ * C (8 bits): typically second source register/constant number
*
* Some instructions combine BC or ABC together for larger parameter values.
- * Signed integers (e.g. jump offsets) are encoded as unsigned, with an opcode
- * specific bias. B and C may denote a register or a constant, see
- * DUK_BC_ISREG() and DUK_BC_ISCONST().
+ * Signed integers (e.g. jump offsets) are encoded as unsigned, with an
+ * opcode specific bias.
+ *
+ * Some opcodes have flags which are handled by allocating consecutive
+ * opcodes to make space for 1-N flags. Flags can also be e.g. in the 'A'
+ * field when there's room for the specific opcode.
+ *
+ * For example, if three flags were needed, they could be allocated from
+ * the opcode field as follows:
+ *
+ * !3!3!2!2!2!2!2!2!2!2!2!2!1!1!1!1!1!1!1!1!1!1! ! ! ! ! ! ! ! ! ! !
+ * !1!0!9!8!7!6!5!4!3!2!1!0!9!8!7!6!5!4!3!2!1!0!9!8!7!6!5!4!3!2!1!0!
+ * +-----------------------------------------------+---------------+
+ * ! C ! B ! A ! OP !Z!Y!X!
+ * +-----------------------------------------------+---------------+
+ *
+ * Some opcodes accept a reg/const argument which is handled by allocating
+ * flags in the OP field, see DUK_BC_ISREG() and DUK_BC_ISCONST(). The
+ * following convention is shared by most opcodes, so that the compiler
+ * can handle reg/const flagging without opcode specific code paths:
+ *
+ * !3!3!2!2!2!2!2!2!2!2!2!2!1!1!1!1!1!1!1!1!1!1! ! ! ! ! ! ! ! ! ! !
+ * !1!0!9!8!7!6!5!4!3!2!1!0!9!8!7!6!5!4!3!2!1!0!9!8!7!6!5!4!3!2!1!0!
+ * +-----------------------------------------------+---------------+
+ * ! C ! B ! A ! OP !Y!X!
+ * +-----------------------------------------------+---------------+
*
- * Note: macro naming is a bit misleading, e.g. "ABC" in macro name but
- * the field layout is logically "CBA".
+ * X 1=B is const, 0=B is reg
+ * Y 1=C is const, 0=C is reg
+ *
+ * In effect OP, OP + 1, OP + 2, and OP + 3 are allocated from the
+ * 8-bit opcode space for a single logical opcode. The base opcode
+ * number should be divisible by 4. If the opcode is called 'FOO'
+ * the following opcode constants would be defined:
+ *
+ * DUK_OP_FOO 100 // base opcode number
+ * DUK_OP_FOO_RR 100 // FOO, B=reg, C=reg
+ * DUK_OP_FOO_CR 101 // FOO, B=const, C=reg
+ * DUK_OP_FOO_RC 102 // FOO, B=reg, C=const
+ * DUK_OP_FOO_CC 103 // FOO, B=const, C=const
+ *
+ * If only B or C is a reg/const, the unused opcode combinations can be
+ * used for other opcodes (which take no reg/const argument). However,
+ * such opcode values are initially reserved, at least while opcode space
+ * is available. For example, if 'BAR' uses B for a register field and
+ * C is a reg/const:
+ *
+ * DUK_OP_BAR 116 // base opcode number
+ * DUK_OP_BAR_RR 116 // BAR, B=reg, C=reg
+ * DUK_OP_BAR_CR_UNUSED 117 // unused, could be repurposed
+ * DUK_OP_BAR_RC 118 // BAR, B=reg, C=const
+ * DUK_OP_BAR_CC_UNUSED 119 // unused, could be repurposed
+ *
+ * Macro naming is a bit misleading, e.g. "ABC" in macro name but the
+ * field layout is concretely "CBA" in the register.
*/
typedef duk_uint32_t duk_instr_t;
-#define DUK_DEC_OP(x) ((x) & 0x3fUL)
-#define DUK_DEC_A(x) (((x) >> 6) & 0xffUL)
-#define DUK_DEC_B(x) (((x) >> 14) & 0x1ffUL)
-#define DUK_DEC_C(x) (((x) >> 23) & 0x1ffUL)
-#define DUK_DEC_BC(x) (((x) >> 14) & 0x3ffffUL)
-#define DUK_DEC_ABC(x) (((x) >> 6) & 0x3ffffffUL)
+#define DUK_BC_SHIFT_OP 0
+#define DUK_BC_SHIFT_A 8
+#define DUK_BC_SHIFT_B 16
+#define DUK_BC_SHIFT_C 24
+#define DUK_BC_SHIFT_BC DUK_BC_SHIFT_B
+#define DUK_BC_SHIFT_ABC DUK_BC_SHIFT_A
+
+#define DUK_BC_UNSHIFTED_MASK_OP 0xffUL
+#define DUK_BC_UNSHIFTED_MASK_A 0xffUL
+#define DUK_BC_UNSHIFTED_MASK_B 0xffUL
+#define DUK_BC_UNSHIFTED_MASK_C 0xffUL
+#define DUK_BC_UNSHIFTED_MASK_BC 0xffffUL
+#define DUK_BC_UNSHIFTED_MASK_ABC 0xffffffUL
+
+#define DUK_BC_SHIFTED_MASK_OP (DUK_BC_UNSHIFTED_MASK_OP << DUK_BC_SHIFT_OP)
+#define DUK_BC_SHIFTED_MASK_A (DUK_BC_UNSHIFTED_MASK_A << DUK_BC_SHIFT_A)
+#define DUK_BC_SHIFTED_MASK_B (DUK_BC_UNSHIFTED_MASK_B << DUK_BC_SHIFT_B)
+#define DUK_BC_SHIFTED_MASK_C (DUK_BC_UNSHIFTED_MASK_C << DUK_BC_SHIFT_C)
+#define DUK_BC_SHIFTED_MASK_BC (DUK_BC_UNSHIFTED_MASK_BC << DUK_BC_SHIFT_BC)
+#define DUK_BC_SHIFTED_MASK_ABC (DUK_BC_UNSHIFTED_MASK_ABC << DUK_BC_SHIFT_ABC)
+
+#define DUK_DEC_OP(x) ((x) & 0xffUL)
+#define DUK_DEC_A(x) (((x) >> 8) & 0xffUL)
+#define DUK_DEC_B(x) (((x) >> 16) & 0xffUL)
+#define DUK_DEC_C(x) (((x) >> 24) & 0xffUL)
+#define DUK_DEC_BC(x) (((x) >> 16) & 0xffffUL)
+#define DUK_DEC_ABC(x) (((x) >> 8) & 0xffffffUL)
#define DUK_ENC_OP(op) ((duk_instr_t) (op))
#define DUK_ENC_OP_ABC(op,abc) ((duk_instr_t) ( \
- (((duk_instr_t) (abc)) << 6) | \
+ (((duk_instr_t) (abc)) << 8) | \
((duk_instr_t) (op)) \
))
#define DUK_ENC_OP_A_BC(op,a,bc) ((duk_instr_t) ( \
- (((duk_instr_t) (bc)) << 14) | \
- (((duk_instr_t) (a)) << 6) | \
+ (((duk_instr_t) (bc)) << 16) | \
+ (((duk_instr_t) (a)) << 8) | \
((duk_instr_t) (op)) \
))
#define DUK_ENC_OP_A_B_C(op,a,b,c) ((duk_instr_t) ( \
- (((duk_instr_t) (c)) << 23) | \
- (((duk_instr_t) (b)) << 14) | \
- (((duk_instr_t) (a)) << 6) | \
+ (((duk_instr_t) (c)) << 24) | \
+ (((duk_instr_t) (b)) << 16) | \
+ (((duk_instr_t) (a)) << 8) | \
((duk_instr_t) (op)) \
))
-#define DUK_ENC_OP_A_B(op,a,b) DUK_ENC_OP_A_B_C(op,a,b,0)
-#define DUK_ENC_OP_A(op,a) DUK_ENC_OP_A_B_C(op,a,0,0)
+#define DUK_ENC_OP_A_B(op,a,b) DUK_ENC_OP_A_B_C((op),(a),(b),0)
+#define DUK_ENC_OP_A(op,a) DUK_ENC_OP_A_B_C((op),(a),0,0)
+#define DUK_ENC_OP_BC(op,bc) DUK_ENC_OP_A_BC((op),0,(bc))
+
+/* Get opcode base value with B/C reg/const flags cleared. */
+#define DUK_BC_NOREGCONST_OP(op) ((op) & 0xfc)
/* Constants should be signed so that signed arithmetic involving them
* won't cause values to be coerced accidentally to unsigned.
*/
#define DUK_BC_OP_MIN 0
-#define DUK_BC_OP_MAX 0x3fL
+#define DUK_BC_OP_MAX 0xffL
#define DUK_BC_A_MIN 0
#define DUK_BC_A_MAX 0xffL
#define DUK_BC_B_MIN 0
-#define DUK_BC_B_MAX 0x1ffL
+#define DUK_BC_B_MAX 0xffL
#define DUK_BC_C_MIN 0
-#define DUK_BC_C_MAX 0x1ffL
+#define DUK_BC_C_MAX 0xffL
#define DUK_BC_BC_MIN 0
-#define DUK_BC_BC_MAX 0x3ffffL
+#define DUK_BC_BC_MAX 0xffffL
#define DUK_BC_ABC_MIN 0
-#define DUK_BC_ABC_MAX 0x3ffffffL
-#define DUK_BC_EXTRAOP_MIN DUK_BC_A_MIN
-#define DUK_BC_EXTRAOP_MAX DUK_BC_A_MAX
+#define DUK_BC_ABC_MAX 0xffffffL
+
+/* Masks for B/C reg/const indicator in opcode field. */
+#define DUK_BC_REGCONST_B (0x01UL)
+#define DUK_BC_REGCONST_C (0x02UL)
+/* Misc. masks for opcode field. */
+#define DUK_BC_INCDECP_FLAG_DEC (0x04UL)
+#define DUK_BC_INCDECP_FLAG_POST (0x08UL)
+
+/* Opcodes. */
#define DUK_OP_LDREG 0
#define DUK_OP_STREG 1
#define DUK_OP_LDCONST 2
#define DUK_OP_LDINT 3
#define DUK_OP_LDINTX 4
-#define DUK_OP_MPUTOBJ 5
-#define DUK_OP_MPUTOBJI 6
-#define DUK_OP_MPUTARR 7
-#define DUK_OP_MPUTARRI 8
-#define DUK_OP_NEW 9
-#define DUK_OP_NEWI 10
-#define DUK_OP_REGEXP 11
-#define DUK_OP_CSREG 12
-#define DUK_OP_CSREGI 13
-#define DUK_OP_GETVAR 14
-#define DUK_OP_PUTVAR 15
-#define DUK_OP_DECLVAR 16
-#define DUK_OP_DELVAR 17
-#define DUK_OP_CSVAR 18
-#define DUK_OP_CSVARI 19
-#define DUK_OP_CLOSURE 20
-#define DUK_OP_GETPROP 21
-#define DUK_OP_PUTPROP 22
-#define DUK_OP_DELPROP 23
-#define DUK_OP_CSPROP 24
-#define DUK_OP_CSPROPI 25
-#define DUK_OP_ADD 26
-#define DUK_OP_SUB 27
-#define DUK_OP_MUL 28
-#define DUK_OP_DIV 29
-#define DUK_OP_MOD 30
-#define DUK_OP_BAND 31
-#define DUK_OP_BOR 32
-#define DUK_OP_BXOR 33
-#define DUK_OP_BASL 34
-#define DUK_OP_BLSR 35
-#define DUK_OP_BASR 36
-#define DUK_OP_EQ 37
-#define DUK_OP_NEQ 38
-#define DUK_OP_SEQ 39
-#define DUK_OP_SNEQ 40
-#define DUK_OP_GT 41
-#define DUK_OP_GE 42
-#define DUK_OP_LT 43
+#define DUK_OP_LDTHIS 5
+#define DUK_OP_LDUNDEF 6
+#define DUK_OP_LDNULL 7
+#define DUK_OP_LDTRUE 8
+#define DUK_OP_LDFALSE 9
+#define DUK_OP_BNOT 10
+#define DUK_OP_LNOT 11
+#define DUK_OP_UNM 12
+#define DUK_OP_UNP 13
+#define DUK_OP_TYPEOF 14
+#define DUK_OP_TYPEOFID 15
+#define DUK_OP_EQ 16
+#define DUK_OP_EQ_RR 16
+#define DUK_OP_EQ_CR 17
+#define DUK_OP_EQ_RC 18
+#define DUK_OP_EQ_CC 19
+#define DUK_OP_NEQ 20
+#define DUK_OP_NEQ_RR 20
+#define DUK_OP_NEQ_CR 21
+#define DUK_OP_NEQ_RC 22
+#define DUK_OP_NEQ_CC 23
+#define DUK_OP_SEQ 24
+#define DUK_OP_SEQ_RR 24
+#define DUK_OP_SEQ_CR 25
+#define DUK_OP_SEQ_RC 26
+#define DUK_OP_SEQ_CC 27
+#define DUK_OP_SNEQ 28
+#define DUK_OP_SNEQ_RR 28
+#define DUK_OP_SNEQ_CR 29
+#define DUK_OP_SNEQ_RC 30
+#define DUK_OP_SNEQ_CC 31
+#define DUK_OP_GT 32
+#define DUK_OP_GT_RR 32
+#define DUK_OP_GT_CR 33
+#define DUK_OP_GT_RC 34
+#define DUK_OP_GT_CC 35
+#define DUK_OP_GE 36
+#define DUK_OP_GE_RR 36
+#define DUK_OP_GE_CR 37
+#define DUK_OP_GE_RC 38
+#define DUK_OP_GE_CC 39
+#define DUK_OP_LT 40
+#define DUK_OP_LT_RR 40
+#define DUK_OP_LT_CR 41
+#define DUK_OP_LT_RC 42
+#define DUK_OP_LT_CC 43
#define DUK_OP_LE 44
-#define DUK_OP_IF 45
-#define DUK_OP_JUMP 46
-#define DUK_OP_RETURN 47
-#define DUK_OP_CALL 48
-#define DUK_OP_CALLI 49
-#define DUK_OP_TRYCATCH 50
-#define DUK_OP_EXTRA 51
-#define DUK_OP_PREINCR 52 /* pre/post opcode values have constraints, */
-#define DUK_OP_PREDECR 53 /* see duk_js_executor.c */
-#define DUK_OP_POSTINCR 54
-#define DUK_OP_POSTDECR 55
-#define DUK_OP_PREINCV 56
-#define DUK_OP_PREDECV 57
-#define DUK_OP_POSTINCV 58
-#define DUK_OP_POSTDECV 59
-#define DUK_OP_PREINCP 60
-#define DUK_OP_PREDECP 61
-#define DUK_OP_POSTINCP 62
-#define DUK_OP_POSTDECP 63
-#define DUK_OP_NONE 64 /* dummy value used as marker */
-
-/* DUK_OP_EXTRA, sub-operation in A */
-#define DUK_EXTRAOP_NOP 0
-#define DUK_EXTRAOP_INVALID 1
-#define DUK_EXTRAOP_LDTHIS 2
-#define DUK_EXTRAOP_LDUNDEF 3
-#define DUK_EXTRAOP_LDNULL 4
-#define DUK_EXTRAOP_LDTRUE 5
-#define DUK_EXTRAOP_LDFALSE 6
-#define DUK_EXTRAOP_NEWOBJ 7
-#define DUK_EXTRAOP_NEWARR 8
-#define DUK_EXTRAOP_SETALEN 9
-#define DUK_EXTRAOP_TYPEOF 10
-#define DUK_EXTRAOP_TYPEOFID 11
-#define DUK_EXTRAOP_INITENUM 12
-#define DUK_EXTRAOP_NEXTENUM 13
-#define DUK_EXTRAOP_INITSET 14
-#define DUK_EXTRAOP_INITSETI 15
-#define DUK_EXTRAOP_INITGET 16
-#define DUK_EXTRAOP_INITGETI 17
-#define DUK_EXTRAOP_ENDTRY 18
-#define DUK_EXTRAOP_ENDCATCH 19
-#define DUK_EXTRAOP_ENDFIN 20
-#define DUK_EXTRAOP_THROW 21
-#define DUK_EXTRAOP_INVLHS 22
-#define DUK_EXTRAOP_UNM 23
-#define DUK_EXTRAOP_UNP 24
-#define DUK_EXTRAOP_DEBUGGER 25
-#define DUK_EXTRAOP_BREAK 26
-#define DUK_EXTRAOP_CONTINUE 27
-#define DUK_EXTRAOP_BNOT 28
-#define DUK_EXTRAOP_LNOT 29
-#define DUK_EXTRAOP_INSTOF 30
-#define DUK_EXTRAOP_IN 31
-#define DUK_EXTRAOP_LABEL 32
-#define DUK_EXTRAOP_ENDLABEL 33
-
-/* DUK_OP_CALL flags in A */
-#define DUK_BC_CALL_FLAG_TAILCALL (1 << 0)
-#define DUK_BC_CALL_FLAG_EVALCALL (1 << 1)
-
+#define DUK_OP_LE_RR 44
+#define DUK_OP_LE_CR 45
+#define DUK_OP_LE_RC 46
+#define DUK_OP_LE_CC 47
+#define DUK_OP_IFTRUE 48
+#define DUK_OP_IFTRUE_R 48
+#define DUK_OP_IFTRUE_C 49
+#define DUK_OP_IFFALSE 50
+#define DUK_OP_IFFALSE_R 50
+#define DUK_OP_IFFALSE_C 51
+#define DUK_OP_ADD 52
+#define DUK_OP_ADD_RR 52
+#define DUK_OP_ADD_CR 53
+#define DUK_OP_ADD_RC 54
+#define DUK_OP_ADD_CC 55
+#define DUK_OP_SUB 56
+#define DUK_OP_SUB_RR 56
+#define DUK_OP_SUB_CR 57
+#define DUK_OP_SUB_RC 58
+#define DUK_OP_SUB_CC 59
+#define DUK_OP_MUL 60
+#define DUK_OP_MUL_RR 60
+#define DUK_OP_MUL_CR 61
+#define DUK_OP_MUL_RC 62
+#define DUK_OP_MUL_CC 63
+#define DUK_OP_DIV 64
+#define DUK_OP_DIV_RR 64
+#define DUK_OP_DIV_CR 65
+#define DUK_OP_DIV_RC 66
+#define DUK_OP_DIV_CC 67
+#define DUK_OP_MOD 68
+#define DUK_OP_MOD_RR 68
+#define DUK_OP_MOD_CR 69
+#define DUK_OP_MOD_RC 70
+#define DUK_OP_MOD_CC 71
+#define DUK_OP_EXP 72
+#define DUK_OP_EXP_RR 72
+#define DUK_OP_EXP_CR 73
+#define DUK_OP_EXP_RC 74
+#define DUK_OP_EXP_CC 75
+#define DUK_OP_BAND 76
+#define DUK_OP_BAND_RR 76
+#define DUK_OP_BAND_CR 77
+#define DUK_OP_BAND_RC 78
+#define DUK_OP_BAND_CC 79
+#define DUK_OP_BOR 80
+#define DUK_OP_BOR_RR 80
+#define DUK_OP_BOR_CR 81
+#define DUK_OP_BOR_RC 82
+#define DUK_OP_BOR_CC 83
+#define DUK_OP_BXOR 84
+#define DUK_OP_BXOR_RR 84
+#define DUK_OP_BXOR_CR 85
+#define DUK_OP_BXOR_RC 86
+#define DUK_OP_BXOR_CC 87
+#define DUK_OP_BASL 88
+#define DUK_OP_BASL_RR 88
+#define DUK_OP_BASL_CR 89
+#define DUK_OP_BASL_RC 90
+#define DUK_OP_BASL_CC 91
+#define DUK_OP_BLSR 92
+#define DUK_OP_BLSR_RR 92
+#define DUK_OP_BLSR_CR 93
+#define DUK_OP_BLSR_RC 94
+#define DUK_OP_BLSR_CC 95
+#define DUK_OP_BASR 96
+#define DUK_OP_BASR_RR 96
+#define DUK_OP_BASR_CR 97
+#define DUK_OP_BASR_RC 98
+#define DUK_OP_BASR_CC 99
+#define DUK_OP_INSTOF 100
+#define DUK_OP_INSTOF_RR 100
+#define DUK_OP_INSTOF_CR 101
+#define DUK_OP_INSTOF_RC 102
+#define DUK_OP_INSTOF_CC 103
+#define DUK_OP_IN 104
+#define DUK_OP_IN_RR 104
+#define DUK_OP_IN_CR 105
+#define DUK_OP_IN_RC 106
+#define DUK_OP_IN_CC 107
+#define DUK_OP_GETPROP 108
+#define DUK_OP_GETPROP_RR 108
+#define DUK_OP_GETPROP_CR 109
+#define DUK_OP_GETPROP_RC 110
+#define DUK_OP_GETPROP_CC 111
+#define DUK_OP_PUTPROP 112
+#define DUK_OP_PUTPROP_RR 112
+#define DUK_OP_PUTPROP_CR 113
+#define DUK_OP_PUTPROP_RC 114
+#define DUK_OP_PUTPROP_CC 115
+#define DUK_OP_DELPROP 116
+#define DUK_OP_DELPROP_RR 116
+#define DUK_OP_DELPROP_CR_UNUSED 117 /* unused now */
+#define DUK_OP_DELPROP_RC 118
+#define DUK_OP_DELPROP_CC_UNUSED 119 /* unused now */
+#define DUK_OP_PREINCR 120 /* pre/post opcode values have constraints, */
+#define DUK_OP_PREDECR 121 /* see duk_js_executor.c and duk_js_compiler.c. */
+#define DUK_OP_POSTINCR 122
+#define DUK_OP_POSTDECR 123
+#define DUK_OP_PREINCV 124
+#define DUK_OP_PREDECV 125
+#define DUK_OP_POSTINCV 126
+#define DUK_OP_POSTDECV 127
+#define DUK_OP_PREINCP 128 /* pre/post inc/dec prop opcodes have constraints */
+#define DUK_OP_PREINCP_RR 128
+#define DUK_OP_PREINCP_CR 129
+#define DUK_OP_PREINCP_RC 130
+#define DUK_OP_PREINCP_CC 131
+#define DUK_OP_PREDECP 132
+#define DUK_OP_PREDECP_RR 132
+#define DUK_OP_PREDECP_CR 133
+#define DUK_OP_PREDECP_RC 134
+#define DUK_OP_PREDECP_CC 135
+#define DUK_OP_POSTINCP 136
+#define DUK_OP_POSTINCP_RR 136
+#define DUK_OP_POSTINCP_CR 137
+#define DUK_OP_POSTINCP_RC 138
+#define DUK_OP_POSTINCP_CC 139
+#define DUK_OP_POSTDECP 140
+#define DUK_OP_POSTDECP_RR 140
+#define DUK_OP_POSTDECP_CR 141
+#define DUK_OP_POSTDECP_RC 142
+#define DUK_OP_POSTDECP_CC 143
+#define DUK_OP_DECLVAR 144
+#define DUK_OP_DECLVAR_RR 144
+#define DUK_OP_DECLVAR_CR 145
+#define DUK_OP_DECLVAR_RC 146
+#define DUK_OP_DECLVAR_CC 147
+#define DUK_OP_REGEXP 148
+#define DUK_OP_REGEXP_RR 148
+#define DUK_OP_REGEXP_CR 149
+#define DUK_OP_REGEXP_RC 150
+#define DUK_OP_REGEXP_CC 151
+#define DUK_OP_CSVAR 152
+#define DUK_OP_CSVAR_RR 152
+#define DUK_OP_CSVAR_CR 153
+#define DUK_OP_CSVAR_RC 154
+#define DUK_OP_CSVAR_CC 155
+#define DUK_OP_CLOSURE 156
+#define DUK_OP_GETVAR 157
+#define DUK_OP_PUTVAR 158
+#define DUK_OP_DELVAR 159
+#define DUK_OP_JUMP 160
+#define DUK_OP_RETREG 161
+#define DUK_OP_RETUNDEF 162
+#define DUK_OP_RETCONST 163
+#define DUK_OP_RETCONSTN 164 /* return const without incref (e.g. number) */
+#define DUK_OP_LABEL 165
+#define DUK_OP_ENDLABEL 166
+#define DUK_OP_BREAK 167
+#define DUK_OP_CONTINUE 168
+#define DUK_OP_TRYCATCH 169
+#define DUK_OP_ENDTRY 170
+#define DUK_OP_ENDCATCH 171
+#define DUK_OP_ENDFIN 172
+#define DUK_OP_THROW 173
+#define DUK_OP_CSREG 174
+#define DUK_OP_EVALCALL 175
+#define DUK_OP_CALL 176 /* must be even */
+#define DUK_OP_TAILCALL 177 /* must be odd */
+#define DUK_OP_NEW 178
+#define DUK_OP_NEWOBJ 179
+#define DUK_OP_NEWARR 180
+#define DUK_OP_MPUTOBJ 181
+#define DUK_OP_MPUTOBJI 182
+#define DUK_OP_INITSET 183
+#define DUK_OP_INITGET 184
+#define DUK_OP_MPUTARR 185
+#define DUK_OP_MPUTARRI 186
+#define DUK_OP_SETALEN 187
+#define DUK_OP_INITENUM 188
+#define DUK_OP_NEXTENUM 189
+#define DUK_OP_INVLHS 190
+#define DUK_OP_DEBUGGER 191
+#define DUK_OP_NOP 192
+#define DUK_OP_INVALID 193
+#define DUK_OP_UNUSED194 194
+#define DUK_OP_UNUSED195 195
+#define DUK_OP_UNUSED196 196
+#define DUK_OP_UNUSED197 197
+#define DUK_OP_UNUSED198 198
+#define DUK_OP_UNUSED199 199
+#define DUK_OP_UNUSED200 200
+#define DUK_OP_UNUSED201 201
+#define DUK_OP_UNUSED202 202
+#define DUK_OP_UNUSED203 203
+#define DUK_OP_UNUSED204 204
+#define DUK_OP_UNUSED205 205
+#define DUK_OP_UNUSED206 206
+#define DUK_OP_UNUSED207 207
+#define DUK_OP_UNUSED208 208
+#define DUK_OP_UNUSED209 209
+#define DUK_OP_UNUSED210 210
+#define DUK_OP_UNUSED211 211
+#define DUK_OP_UNUSED212 212
+#define DUK_OP_UNUSED213 213
+#define DUK_OP_UNUSED214 214
+#define DUK_OP_UNUSED215 215
+#define DUK_OP_UNUSED216 216
+#define DUK_OP_UNUSED217 217
+#define DUK_OP_UNUSED218 218
+#define DUK_OP_UNUSED219 219
+#define DUK_OP_UNUSED220 220
+#define DUK_OP_UNUSED221 221
+#define DUK_OP_UNUSED222 222
+#define DUK_OP_UNUSED223 223
+#define DUK_OP_UNUSED224 224
+#define DUK_OP_UNUSED225 225
+#define DUK_OP_UNUSED226 226
+#define DUK_OP_UNUSED227 227
+#define DUK_OP_UNUSED228 228
+#define DUK_OP_UNUSED229 229
+#define DUK_OP_UNUSED230 230
+#define DUK_OP_UNUSED231 231
+#define DUK_OP_UNUSED232 232
+#define DUK_OP_UNUSED233 233
+#define DUK_OP_UNUSED234 234
+#define DUK_OP_UNUSED235 235
+#define DUK_OP_UNUSED236 236
+#define DUK_OP_UNUSED237 237
+#define DUK_OP_UNUSED238 238
+#define DUK_OP_UNUSED239 239
+#define DUK_OP_UNUSED240 240
+#define DUK_OP_UNUSED241 241
+#define DUK_OP_UNUSED242 242
+#define DUK_OP_UNUSED243 243
+#define DUK_OP_UNUSED244 244
+#define DUK_OP_UNUSED245 245
+#define DUK_OP_UNUSED246 246
+#define DUK_OP_UNUSED247 247
+#define DUK_OP_UNUSED248 248
+#define DUK_OP_UNUSED249 249
+#define DUK_OP_UNUSED250 250
+#define DUK_OP_UNUSED251 251
+#define DUK_OP_UNUSED252 252
+#define DUK_OP_UNUSED253 253
+#define DUK_OP_UNUSED254 254
+#define DUK_OP_UNUSED255 255
+#define DUK_OP_NONE 256 /* dummy value used as marker (doesn't fit in 8-bit field) */
+
+/* XXX: Allocate flags from opcode field? Would take 16 opcode slots
+ * but avoids shuffling in more cases. Maybe not worth it.
+ */
/* DUK_OP_TRYCATCH flags in A */
#define DUK_BC_TRYCATCH_FLAG_HAVE_CATCH (1 << 0)
#define DUK_BC_TRYCATCH_FLAG_HAVE_FINALLY (1 << 1)
#define DUK_BC_TRYCATCH_FLAG_CATCH_BINDING (1 << 2)
#define DUK_BC_TRYCATCH_FLAG_WITH_BINDING (1 << 3)
-/* DUK_OP_RETURN flags in A */
-#define DUK_BC_RETURN_FLAG_HAVE_RETVAL (1 << 0)
-
/* DUK_OP_DECLVAR flags in A; bottom bits are reserved for propdesc flags (DUK_PROPDESC_FLAG_XXX) */
#define DUK_BC_DECLVAR_FLAG_UNDEF_VALUE (1 << 4) /* use 'undefined' for value automatically */
#define DUK_BC_DECLVAR_FLAG_FUNC_DECL (1 << 5) /* function declaration */
-/* misc constants and helper macros */
-#define DUK_BC_REGLIMIT 256 /* if B/C is >= this value, refers to a const */
-#define DUK_BC_ISREG(x) ((x) < DUK_BC_REGLIMIT)
-#define DUK_BC_ISCONST(x) ((x) >= DUK_BC_REGLIMIT)
-#define DUK_BC_LDINT_BIAS (1L << 17)
-#define DUK_BC_LDINTX_SHIFT 18
-#define DUK_BC_JUMP_BIAS (1L << 25)
+/* Misc constants and helper macros. */
+#define DUK_BC_LDINT_BIAS (1L << 15)
+#define DUK_BC_LDINTX_SHIFT 16
+#define DUK_BC_JUMP_BIAS (1L << 23)
#endif /* DUK_JS_BYTECODE_H_INCLUDED */
-#line 1 "duk_lexer.h"
+/* #include duk_lexer.h */
/*
* Lexer defines.
*/
-#ifndef DUK_LEXER_H_INCLUDED
+#if !defined(DUK_LEXER_H_INCLUDED)
#define DUK_LEXER_H_INCLUDED
typedef void (*duk_re_range_callback)(void *user, duk_codepoint_t r1, duk_codepoint_t r2, duk_bool_t direct);
@@ -2754,8 +3037,7 @@ typedef void (*duk_re_range_callback)(void *user, duk_codepoint_t r1, duk_codepo
#define DUK_LEXER_SETPOINT(ctx,pt) duk_lexer_setpoint((ctx), (pt))
-#define DUK_LEXER_GETPOINT(ctx,pt) do { (pt)->offset = (ctx)->window[0].offset; \
- (pt)->line = (ctx)->window[0].line; } while (0)
+#define DUK_LEXER_GETPOINT(ctx,pt) duk_lexer_getpoint((ctx), (pt))
/* currently 6 characters of lookup are actually needed (duk_lexer.c) */
#define DUK_LEXER_WINDOW_SIZE 6
@@ -2859,41 +3141,43 @@ typedef void (*duk_re_range_callback)(void *user, duk_codepoint_t r1, duk_codepo
#define DUK_TOK_MUL 68
#define DUK_TOK_DIV 69
#define DUK_TOK_MOD 70
-#define DUK_TOK_INCREMENT 71
-#define DUK_TOK_DECREMENT 72
-#define DUK_TOK_ALSHIFT 73 /* named "arithmetic" because result is signed */
-#define DUK_TOK_ARSHIFT 74
-#define DUK_TOK_RSHIFT 75
-#define DUK_TOK_BAND 76
-#define DUK_TOK_BOR 77
-#define DUK_TOK_BXOR 78
-#define DUK_TOK_LNOT 79
-#define DUK_TOK_BNOT 80
-#define DUK_TOK_LAND 81
-#define DUK_TOK_LOR 82
-#define DUK_TOK_QUESTION 83
-#define DUK_TOK_COLON 84
-#define DUK_TOK_EQUALSIGN 85
-#define DUK_TOK_ADD_EQ 86
-#define DUK_TOK_SUB_EQ 87
-#define DUK_TOK_MUL_EQ 88
-#define DUK_TOK_DIV_EQ 89
-#define DUK_TOK_MOD_EQ 90
-#define DUK_TOK_ALSHIFT_EQ 91
-#define DUK_TOK_ARSHIFT_EQ 92
-#define DUK_TOK_RSHIFT_EQ 93
-#define DUK_TOK_BAND_EQ 94
-#define DUK_TOK_BOR_EQ 95
-#define DUK_TOK_BXOR_EQ 96
+#define DUK_TOK_EXP 71
+#define DUK_TOK_INCREMENT 72
+#define DUK_TOK_DECREMENT 73
+#define DUK_TOK_ALSHIFT 74 /* named "arithmetic" because result is signed */
+#define DUK_TOK_ARSHIFT 75
+#define DUK_TOK_RSHIFT 76
+#define DUK_TOK_BAND 77
+#define DUK_TOK_BOR 78
+#define DUK_TOK_BXOR 79
+#define DUK_TOK_LNOT 80
+#define DUK_TOK_BNOT 81
+#define DUK_TOK_LAND 82
+#define DUK_TOK_LOR 83
+#define DUK_TOK_QUESTION 84
+#define DUK_TOK_COLON 85
+#define DUK_TOK_EQUALSIGN 86
+#define DUK_TOK_ADD_EQ 87
+#define DUK_TOK_SUB_EQ 88
+#define DUK_TOK_MUL_EQ 89
+#define DUK_TOK_DIV_EQ 90
+#define DUK_TOK_MOD_EQ 91
+#define DUK_TOK_EXP_EQ 92
+#define DUK_TOK_ALSHIFT_EQ 93
+#define DUK_TOK_ARSHIFT_EQ 94
+#define DUK_TOK_RSHIFT_EQ 95
+#define DUK_TOK_BAND_EQ 96
+#define DUK_TOK_BOR_EQ 97
+#define DUK_TOK_BXOR_EQ 98
/* literals (E5 Section 7.8), except null, true, false, which are treated
* like reserved words (above).
*/
-#define DUK_TOK_NUMBER 97
-#define DUK_TOK_STRING 98
-#define DUK_TOK_REGEXP 99
+#define DUK_TOK_NUMBER 99
+#define DUK_TOK_STRING 100
+#define DUK_TOK_REGEXP 101
-#define DUK_TOK_MAXVAL 99 /* inclusive */
+#define DUK_TOK_MAXVAL 101 /* inclusive */
/* Convert heap string index to a token (reserved words) */
#define DUK_STRIDX_TO_TOK(x) ((x) - DUK_STRIDX_START_RESERVED + DUK_TOK_START_RESERVED)
@@ -3052,12 +3336,12 @@ typedef void (*duk_re_range_callback)(void *user, duk_codepoint_t r1, duk_codepo
#define DUK_RETOK_ASSERT_START_NEG_LOOKAHEAD 8
#define DUK_RETOK_ATOM_PERIOD 9
#define DUK_RETOK_ATOM_CHAR 10
-#define DUK_RETOK_ATOM_DIGIT 11
-#define DUK_RETOK_ATOM_NOT_DIGIT 12
-#define DUK_RETOK_ATOM_WHITE 13
-#define DUK_RETOK_ATOM_NOT_WHITE 14
-#define DUK_RETOK_ATOM_WORD_CHAR 15
-#define DUK_RETOK_ATOM_NOT_WORD_CHAR 16
+#define DUK_RETOK_ATOM_DIGIT 11 /* assumptions in regexp compiler */
+#define DUK_RETOK_ATOM_NOT_DIGIT 12 /* -""- */
+#define DUK_RETOK_ATOM_WHITE 13 /* -""- */
+#define DUK_RETOK_ATOM_NOT_WHITE 14 /* -""- */
+#define DUK_RETOK_ATOM_WORD_CHAR 15 /* -""- */
+#define DUK_RETOK_ATOM_NOT_WORD_CHAR 16 /* -""- */
#define DUK_RETOK_ATOM_BACKREFERENCE 17
#define DUK_RETOK_ATOM_START_CAPTURE_GROUP 18
#define DUK_RETOK_ATOM_START_NONCAPTURE_GROUP 19
@@ -3141,6 +3425,7 @@ struct duk_lexer_ctx {
DUK_INTERNAL_DECL void duk_lexer_initctx(duk_lexer_ctx *lex_ctx);
+DUK_INTERNAL_DECL void duk_lexer_getpoint(duk_lexer_ctx *lex_ctx, duk_lexer_point *pt);
DUK_INTERNAL_DECL void duk_lexer_setpoint(duk_lexer_ctx *lex_ctx, duk_lexer_point *pt);
DUK_INTERNAL_DECL
@@ -3148,18 +3433,18 @@ void duk_lexer_parse_js_input_element(duk_lexer_ctx *lex_ctx,
duk_token *out_token,
duk_bool_t strict_mode,
duk_bool_t regexp_mode);
-#ifdef DUK_USE_REGEXP_SUPPORT
+#if defined(DUK_USE_REGEXP_SUPPORT)
DUK_INTERNAL_DECL void duk_lexer_parse_re_token(duk_lexer_ctx *lex_ctx, duk_re_token *out_token);
DUK_INTERNAL_DECL void duk_lexer_parse_re_ranges(duk_lexer_ctx *lex_ctx, duk_re_range_callback gen_range, void *userdata);
#endif /* DUK_USE_REGEXP_SUPPORT */
#endif /* DUK_LEXER_H_INCLUDED */
-#line 1 "duk_js_compiler.h"
+/* #include duk_js_compiler.h */
/*
* Ecmascript compiler.
*/
-#ifndef DUK_JS_COMPILER_H_INCLUDED
+#if !defined(DUK_JS_COMPILER_H_INCLUDED)
#define DUK_JS_COMPILER_H_INCLUDED
/* ecmascript compiler limits */
@@ -3182,16 +3467,18 @@ DUK_INTERNAL_DECL void duk_lexer_parse_re_ranges(duk_lexer_ctx *lex_ctx, duk_re_
#define DUK_IVAL_NONE 0 /* no value */
#define DUK_IVAL_PLAIN 1 /* register, constant, or value */
#define DUK_IVAL_ARITH 2 /* binary arithmetic; DUK_OP_ADD, DUK_OP_EQ, other binary ops */
-#define DUK_IVAL_ARITH_EXTRAOP 3 /* binary arithmetic using extraops; DUK_EXTRAOP_INSTOF etc */
-#define DUK_IVAL_PROP 4 /* property access */
-#define DUK_IVAL_VAR 5 /* variable access */
+#define DUK_IVAL_PROP 3 /* property access */
+#define DUK_IVAL_VAR 4 /* variable access */
#define DUK_ISPEC_NONE 0 /* no value */
#define DUK_ISPEC_VALUE 1 /* value resides in 'valstack_idx' */
#define DUK_ISPEC_REGCONST 2 /* value resides in a register or constant */
-/* bit mask which indicates that a regconst is a constant instead of a register */
-#define DUK_JS_CONST_MARKER 0x80000000UL
+/* Bit mask which indicates that a regconst is a constant instead of a register.
+ * Chosen so that when a regconst is cast to duk_int32_t, all consts are
+ * negative values.
+ */
+#define DUK_REGCONST_CONST_MARKER 0x80000000UL
/* type to represent a reg/const reference during compilation */
typedef duk_uint32_t duk_regconst_t;
@@ -3215,7 +3502,7 @@ typedef struct {
/* XXX: can be optimized for smaller footprint esp. on 32-bit environments */
duk_small_uint_t t; /* DUK_IVAL_XXX */
- duk_small_uint_t op; /* bytecode opcode (or extraop) for binary ops */
+ duk_small_uint_t op; /* bytecode opcode for binary ops */
duk_ispec x1;
duk_ispec x2;
} duk_ivalue;
@@ -3261,7 +3548,7 @@ typedef struct {
*/
} duk_labelinfo;
-/* Compiling state of one function, eventually converted to duk_hcompiledfunction */
+/* Compiling state of one function, eventually converted to duk_hcompfunc */
struct duk_compiler_func {
/* These pointers are at the start of the struct so that they pack
* nicely. Mixing pointers and integer values is bad on some
@@ -3285,7 +3572,7 @@ struct duk_compiler_func {
duk_hobject *h_argnames; /* array of formal argument names (-> _Formals) */
duk_hobject *h_varmap; /* variable map for pass 2 (identifier -> register number or null (unmapped)) */
- /* value stack indices for tracking objects */
+ /* Value stack indices for tracking objects. */
/* code_idx: not needed */
duk_idx_t consts_idx;
duk_idx_t funcs_idx;
@@ -3295,24 +3582,24 @@ struct duk_compiler_func {
duk_idx_t argnames_idx;
duk_idx_t varmap_idx;
- /* temp reg handling */
+ /* Temp reg handling. */
duk_reg_t temp_first; /* first register that is a temporary (below: variables) */
duk_reg_t temp_next; /* next temporary register to allocate */
duk_reg_t temp_max; /* highest value of temp_reg (temp_max - 1 is highest used reg) */
- /* shuffle registers if large number of regs/consts */
+ /* Shuffle registers if large number of regs/consts. */
duk_reg_t shuffle1;
duk_reg_t shuffle2;
duk_reg_t shuffle3;
- /* stats for current expression being parsed */
+ /* Stats for current expression being parsed. */
duk_int_t nud_count;
duk_int_t led_count;
duk_int_t paren_level; /* parenthesis count, 0 = top level */
duk_bool_t expr_lhs; /* expression is left-hand-side compatible */
duk_bool_t allow_in; /* current paren level allows 'in' token */
- /* misc */
+ /* Misc. */
duk_int_t stmt_next; /* statement id allocation (running counter) */
duk_int_t label_next; /* label id allocation (running counter) */
duk_int_t catch_depth; /* catch stack depth */
@@ -3321,26 +3608,28 @@ struct duk_compiler_func {
duk_int_t num_formals; /* number of formal arguments */
duk_reg_t reg_stmt_value; /* register for writing value of 'non-empty' statements (global or eval code), -1 is marker */
#if defined(DUK_USE_DEBUGGER_SUPPORT)
- duk_int_t min_line; /* XXX: typing (duk_hcompiledfunction has duk_uint32_t) */
+ duk_int_t min_line; /* XXX: typing (duk_hcompfunc has duk_uint32_t) */
duk_int_t max_line;
#endif
- /* status booleans */
- duk_bool_t is_function; /* is an actual function (not global/eval code) */
- duk_bool_t is_eval; /* is eval code */
- duk_bool_t is_global; /* is global code */
- duk_bool_t is_setget; /* is a setter/getter */
- duk_bool_t is_decl; /* is a function declaration (as opposed to function expression) */
- duk_bool_t is_strict; /* function is strict */
- duk_bool_t is_notail; /* function must not be tail called */
- duk_bool_t in_directive_prologue; /* parsing in "directive prologue", recognize directives */
- duk_bool_t in_scanning; /* parsing in "scanning" phase (first pass) */
- duk_bool_t may_direct_eval; /* function may call direct eval */
- duk_bool_t id_access_arguments; /* function refers to 'arguments' identifier */
- duk_bool_t id_access_slow; /* function makes one or more slow path accesses */
- duk_bool_t is_arguments_shadowed; /* argument/function declaration shadows 'arguments' */
- duk_bool_t needs_shuffle; /* function needs shuffle registers */
- duk_bool_t reject_regexp_in_adv; /* reject RegExp literal on next advance() call; needed for handling IdentifierName productions */
+ /* Status booleans. */
+ duk_uint8_t is_function; /* is an actual function (not global/eval code) */
+ duk_uint8_t is_eval; /* is eval code */
+ duk_uint8_t is_global; /* is global code */
+ duk_uint8_t is_namebinding; /* needs a name binding */
+ duk_uint8_t is_constructable; /* result is constructable */
+ duk_uint8_t is_setget; /* is a setter/getter */
+ duk_uint8_t is_strict; /* function is strict */
+ duk_uint8_t is_notail; /* function must not be tail called */
+ duk_uint8_t in_directive_prologue; /* parsing in "directive prologue", recognize directives */
+ duk_uint8_t in_scanning; /* parsing in "scanning" phase (first pass) */
+ duk_uint8_t may_direct_eval; /* function may call direct eval */
+ duk_uint8_t id_access_arguments; /* function refers to 'arguments' identifier */
+ duk_uint8_t id_access_slow; /* function makes one or more slow path accesses that won't match own static variables */
+ duk_uint8_t id_access_slow_own; /* function makes one or more slow path accesses that may match own static variables */
+ duk_uint8_t is_arguments_shadowed; /* argument/function declaration shadows 'arguments' */
+ duk_uint8_t needs_shuffle; /* function needs shuffle registers */
+ duk_uint8_t reject_regexp_in_adv; /* reject RegExp literal on next advance() call; needed for handling IdentifierName productions */
};
struct duk_compiler_ctx {
@@ -3382,12 +3671,12 @@ struct duk_compiler_ctx {
DUK_INTERNAL_DECL void duk_js_compile(duk_hthread *thr, const duk_uint8_t *src_buffer, duk_size_t src_length, duk_small_uint_t flags);
#endif /* DUK_JS_COMPILER_H_INCLUDED */
-#line 1 "duk_regexp.h"
+/* #include duk_regexp.h */
/*
* Regular expression structs, constants, and bytecode defines.
*/
-#ifndef DUK_REGEXP_H_INCLUDED
+#if !defined(DUK_REGEXP_H_INCLUDED)
#define DUK_REGEXP_H_INCLUDED
/* maximum bytecode copies for {n,m} quantifiers */
@@ -3459,19 +3748,21 @@ struct duk_re_compiler_ctx {
* Prototypes
*/
+#if defined(DUK_USE_REGEXP_SUPPORT)
DUK_INTERNAL_DECL void duk_regexp_compile(duk_hthread *thr);
DUK_INTERNAL_DECL void duk_regexp_create_instance(duk_hthread *thr);
DUK_INTERNAL_DECL void duk_regexp_match(duk_hthread *thr);
DUK_INTERNAL_DECL void duk_regexp_match_force_global(duk_hthread *thr); /* hacky helper for String.prototype.split() */
+#endif
#endif /* DUK_REGEXP_H_INCLUDED */
-#line 1 "duk_heaphdr.h"
+/* #include duk_heaphdr.h */
/*
* Heap header definition and assorted macros, including ref counting.
* Access all fields through the accessor macros.
*/
-#ifndef DUK_HEAPHDR_H_INCLUDED
+#if !defined(DUK_HEAPHDR_H_INCLUDED)
#define DUK_HEAPHDR_H_INCLUDED
/*
@@ -3548,6 +3839,8 @@ struct duk_heaphdr_string {
#else
duk_size_t h_refcount;
#endif
+#else
+ duk_uint16_t h_strextra16;
#endif
};
@@ -3569,11 +3862,11 @@ struct duk_heaphdr_string {
#define DUK_HEAPHDR_FLAG_FINALIZED DUK_HEAPHDR_HEAP_FLAG(3) /* mark-and-sweep: finalized (on previous pass) */
#define DUK_HEAPHDR_FLAG_READONLY DUK_HEAPHDR_HEAP_FLAG(4) /* read-only object, in code section */
-#define DUK_HTYPE_MIN 1
-#define DUK_HTYPE_STRING 1
-#define DUK_HTYPE_OBJECT 2
-#define DUK_HTYPE_BUFFER 3
-#define DUK_HTYPE_MAX 3
+#define DUK_HTYPE_MIN 0
+#define DUK_HTYPE_STRING 0
+#define DUK_HTYPE_OBJECT 1
+#define DUK_HTYPE_BUFFER 2
+#define DUK_HTYPE_MAX 2
#if defined(DUK_USE_HEAPPTR16)
#define DUK_HEAPHDR_GET_NEXT(heap,h) \
@@ -3620,7 +3913,7 @@ struct duk_heaphdr_string {
#define DUK_HEAPHDR_PREDEC_REFCOUNT(h) (--(h)->h_refcount) /* result: updated refcount */
#endif
#else
-/* refcount macros not defined without refcounting, caller must #ifdef now */
+/* refcount macros not defined without refcounting, caller must #if defined() now */
#endif /* DUK_USE_REFERENCE_COUNTING */
/*
@@ -3629,19 +3922,22 @@ struct duk_heaphdr_string {
*/
#define DUK_HEAPHDR_GET_FLAGS_RAW(h) ((h)->h_flags)
-
+#define DUK_HEAPHDR_SET_FLAGS_RAW(h,val) do { \
+ (h)->h_flags = (val); } \
+ }
#define DUK_HEAPHDR_GET_FLAGS(h) ((h)->h_flags & DUK_HEAPHDR_FLAGS_FLAG_MASK)
#define DUK_HEAPHDR_SET_FLAGS(h,val) do { \
(h)->h_flags = ((h)->h_flags & ~(DUK_HEAPHDR_FLAGS_FLAG_MASK)) | (val); \
} while (0)
-
#define DUK_HEAPHDR_GET_TYPE(h) ((h)->h_flags & DUK_HEAPHDR_FLAGS_TYPE_MASK)
#define DUK_HEAPHDR_SET_TYPE(h,val) do { \
(h)->h_flags = ((h)->h_flags & ~(DUK_HEAPHDR_FLAGS_TYPE_MASK)) | (val); \
} while (0)
+/* Comparison for type >= DUK_HTYPE_MIN skipped; because DUK_HTYPE_MIN is zero
+ * and the comparison is unsigned, it's always true and generates warnings.
+ */
#define DUK_HEAPHDR_HTYPE_VALID(h) ( \
- DUK_HEAPHDR_GET_TYPE((h)) >= DUK_HTYPE_MIN && \
DUK_HEAPHDR_GET_TYPE((h)) <= DUK_HTYPE_MAX \
)
@@ -3687,7 +3983,7 @@ struct duk_heaphdr_string {
#define DUK_HEAPHDR_SET_FLAG_RANGE(h,m,n,v) do { \
(h)->h_flags = \
- ((h)->h_flags & (~(((1 << (n)) - 1) << (m)))) \
+ ((h)->h_flags & (~(((1UL << (n)) - 1UL) << (m)))) \
| ((v) << (m)); \
} while (0)
@@ -3706,6 +4002,17 @@ struct duk_heaphdr_string {
#define DUK_HEAPHDR_STRING_INIT_NULLS(h) /* currently nop */
/*
+ * Type tests
+ */
+
+#define DUK_HEAPHDR_IS_OBJECT(h) \
+ (DUK_HEAPHDR_GET_TYPE((h)) == DUK_HTYPE_OBJECT)
+#define DUK_HEAPHDR_IS_STRING(h) \
+ (DUK_HEAPHDR_GET_TYPE((h)) == DUK_HTYPE_STRING)
+#define DUK_HEAPHDR_IS_BUFFER(h) \
+ (DUK_HEAPHDR_GET_TYPE((h)) == DUK_HTYPE_BUFFER)
+
+/*
* Assert helpers
*/
@@ -3733,7 +4040,7 @@ struct duk_heaphdr_string {
* it is not required for INCREF, but it is included just in case.
*
* Note that 'raw' macros such as DUK_HEAPHDR_GET_REFCOUNT() are not
- * defined without DUK_USE_REFERENCE_COUNTING, so caller must #ifdef
+ * defined without DUK_USE_REFERENCE_COUNTING, so caller must #if defined()
* around them.
*/
@@ -3781,6 +4088,19 @@ struct duk_heaphdr_string {
} \
} \
} while (0)
+#define DUK_TVAL_DECREF_NORZ_FAST(thr,tv) do { \
+ duk_tval *duk__tv = (tv); \
+ DUK_ASSERT(duk__tv != NULL); \
+ if (DUK_TVAL_NEEDS_REFCOUNT_UPDATE(duk__tv)) { \
+ duk_heaphdr *duk__h = DUK_TVAL_GET_HEAPHDR(duk__tv); \
+ DUK_ASSERT(duk__h != NULL); \
+ DUK_ASSERT(DUK_HEAPHDR_HTYPE_VALID(duk__h)); \
+ DUK_ASSERT(DUK_HEAPHDR_GET_REFCOUNT(duk__h) > 0); \
+ if (DUK_HEAPHDR_PREDEC_REFCOUNT(duk__h) == 0) { \
+ duk_heaphdr_refzero_norz((thr), duk__h); \
+ } \
+ } \
+ } while (0)
#define DUK_HEAPHDR_INCREF_FAST(thr,h) do { \
duk_heaphdr *duk__h = (duk_heaphdr *) (h); \
DUK_ASSERT(duk__h != NULL); \
@@ -3789,79 +4109,181 @@ struct duk_heaphdr_string {
DUK_HEAPHDR_PREINC_REFCOUNT(duk__h); \
} \
} while (0)
-#define DUK_HEAPHDR_DECREF_FAST(thr,h) do { \
+#define DUK_HEAPHDR_DECREF_FAST_RAW(thr,h,rzcall,rzcast) do { \
duk_heaphdr *duk__h = (duk_heaphdr *) (h); \
DUK_ASSERT(duk__h != NULL); \
DUK_ASSERT(DUK_HEAPHDR_HTYPE_VALID(duk__h)); \
DUK_ASSERT(DUK_HEAPHDR_GET_REFCOUNT(duk__h) > 0); \
if (DUK_HEAPHDR_NEEDS_REFCOUNT_UPDATE(duk__h)) { \
if (DUK_HEAPHDR_PREDEC_REFCOUNT(duk__h) == 0) { \
- duk_heaphdr_refzero((thr), duk__h); \
+ (rzcall)((thr), (rzcast) duk__h); \
} \
} \
} while (0)
+#define DUK_HEAPHDR_DECREF_FAST(thr,h) \
+ DUK_HEAPHDR_DECREF_FAST_RAW((thr),(h),duk_heaphdr_refzero,duk_heaphdr *)
+#define DUK_HEAPHDR_DECREF_NORZ_FAST(thr,h) \
+ DUK_HEAPHDR_DECREF_FAST_RAW((thr),(h),duk_heaphdr_refzero_norz,duk_heaphdr *)
/* Slow variants, call to a helper to reduce code size.
* Can be used explicitly when size is always more important than speed.
*/
-#define DUK_TVAL_INCREF_SLOW(thr,tv) do { \
- duk_tval_incref((tv)); \
- } while (0)
-#define DUK_TVAL_DECREF_SLOW(thr,tv) do { \
- duk_tval_decref((thr), (tv)); \
- } while (0)
-#define DUK_HEAPHDR_INCREF_SLOW(thr,h) do { \
- duk_heaphdr_incref((duk_heaphdr *) (h)); \
- } while (0)
-#define DUK_HEAPHDR_DECREF_SLOW(thr,h) do { \
- duk_heaphdr_decref((thr), (duk_heaphdr *) (h)); \
- } while (0)
+#define DUK_TVAL_INCREF_SLOW(thr,tv) do { duk_tval_incref((tv)); } while (0)
+#define DUK_TVAL_DECREF_SLOW(thr,tv) do { duk_tval_decref((thr), (tv)); } while (0)
+#define DUK_TVAL_DECREF_NORZ_SLOW(thr,tv) do { duk_tval_decref_norz((thr), (tv)); } while (0)
+#define DUK_HEAPHDR_INCREF_SLOW(thr,h) do { duk_heaphdr_incref((duk_heaphdr *) (h)); } while (0)
+#define DUK_HEAPHDR_DECREF_SLOW(thr,h) do { duk_heaphdr_decref((thr), (duk_heaphdr *) (h)); } while (0)
+#define DUK_HEAPHDR_DECREF_NORZ_SLOW(thr,h) do { duk_heaphdr_decref_norz((thr), (duk_heaphdr *) (h)); } while (0)
+#define DUK_HSTRING_INCREF_SLOW(thr,h) do { duk_heaphdr_incref((duk_heaphdr *) (h)); } while (0)
+#define DUK_HSTRING_DECREF_SLOW(thr,h) do { duk_heaphdr_decref((thr), (duk_heaphdr *) (h)); } while (0)
+#define DUK_HSTRING_DECREF_NORZ_SLOW(thr,h) do { duk_heaphdr_decref_norz((thr), (duk_heaphdr *) (h)); } while (0)
+#define DUK_HBUFFER_INCREF_SLOW(thr,h) do { duk_heaphdr_incref((duk_heaphdr *) (h)); } while (0)
+#define DUK_HBUFFER_DECREF_SLOW(thr,h) do { duk_heaphdr_decref((thr), (duk_heaphdr *) (h)); } while (0)
+#define DUK_HBUFFER_DECREF_NORZ_SLOW(thr,h) do { duk_heaphdr_decref_norz((thr), (duk_heaphdr *) (h)); } while (0)
+#define DUK_HOBJECT_INCREF_SLOW(thr,h) do { duk_heaphdr_incref((duk_heaphdr *) (h)); } while (0)
+#define DUK_HOBJECT_DECREF_SLOW(thr,h) do { duk_heaphdr_decref((thr), (duk_heaphdr *) (h)); } while (0)
+#define DUK_HOBJECT_DECREF_NORZ_SLOW(thr,h) do { duk_heaphdr_decref_norz((thr), (duk_heaphdr *) (h)); } while (0)
/* Default variants. Selection depends on speed/size preference.
* Concretely: with gcc 4.8.1 -Os x64 the difference in final binary
* is about +1kB for _FAST variants.
*/
#if defined(DUK_USE_FAST_REFCOUNT_DEFAULT)
+/* XXX: It would be nice to specialize for specific duk_hobject subtypes
+ * but current refzero queue handling prevents that.
+ */
#define DUK_TVAL_INCREF(thr,tv) DUK_TVAL_INCREF_FAST((thr),(tv))
#define DUK_TVAL_DECREF(thr,tv) DUK_TVAL_DECREF_FAST((thr),(tv))
+#define DUK_TVAL_DECREF_NORZ(thr,tv) DUK_TVAL_DECREF_NORZ_FAST((thr),(tv))
#define DUK_HEAPHDR_INCREF(thr,h) DUK_HEAPHDR_INCREF_FAST((thr),(h))
-#define DUK_HEAPHDR_DECREF(thr,h) DUK_HEAPHDR_DECREF_FAST((thr),(h))
+#define DUK_HEAPHDR_DECREF(thr,h) DUK_HEAPHDR_DECREF_FAST_RAW((thr),(h),duk_heaphdr_refzero,duk_heaphdr *)
+#define DUK_HEAPHDR_DECREF_NORZ(thr,h) DUK_HEAPHDR_DECREF_FAST_RAW((thr),(h),duk_heaphdr_refzero_norz,duk_heaphdr *)
+#define DUK_HSTRING_INCREF(thr,h) DUK_HEAPHDR_INCREF((thr),(duk_heaphdr *) (h))
+#define DUK_HSTRING_DECREF(thr,h) DUK_HEAPHDR_DECREF_FAST_RAW((thr),(h),duk_hstring_refzero,duk_hstring *)
+#define DUK_HSTRING_DECREF_NORZ(thr,h) DUK_HEAPHDR_DECREF_FAST_RAW((thr),(h),duk_hstring_refzero,duk_hstring *) /* no 'norz' variant */
+#define DUK_HOBJECT_INCREF(thr,h) DUK_HEAPHDR_INCREF((thr),(duk_heaphdr *) (h))
+#define DUK_HOBJECT_DECREF(thr,h) DUK_HEAPHDR_DECREF_FAST_RAW((thr),(h),duk_hobject_refzero,duk_hobject *)
+#define DUK_HOBJECT_DECREF_NORZ(thr,h) DUK_HEAPHDR_DECREF_FAST_RAW((thr),(h),duk_hobject_refzero_norz,duk_hobject *)
+#define DUK_HBUFFER_INCREF(thr,h) DUK_HEAPHDR_INCREF((thr),(duk_heaphdr *) (h))
+#define DUK_HBUFFER_DECREF(thr,h) DUK_HEAPHDR_DECREF_FAST_RAW((thr),(h),duk_hbuffer_refzero,duk_hbuffer *)
+#define DUK_HBUFFER_DECREF_NORZ(thr,h) DUK_HEAPHDR_DECREF_FAST_RAW((thr),(h),duk_hbuffer_refzero,duk_hbuffer *) /* no 'norz' variant */
+#define DUK_HCOMPFUNC_INCREF(thr,h) DUK_HEAPHDR_INCREF((thr),(duk_heaphdr *) &(h)->obj)
+#define DUK_HCOMPFUNC_DECREF(thr,h) DUK_HEAPHDR_DECREF_FAST_RAW((thr),(h),duk_hobject_refzero,duk_hobject *)
+#define DUK_HCOMPFUNC_DECREF_NORZ(thr,h) DUK_HEAPHDR_DECREF_FAST_RAW((thr),(h),duk_hobject_refzero_norz,duk_hobject *)
+#define DUK_HNATFUNC_INCREF(thr,h) DUK_HEAPHDR_INCREF((thr),(duk_heaphdr *) &(h)->obj)
+#define DUK_HNATFUNC_DECREF(thr,h) DUK_HEAPHDR_DECREF_FAST_RAW((thr),(h),duk_hobject_refzero,duk_hobject *)
+#define DUK_HNATFUNC_DECREF_NORZ(thr,h) DUK_HEAPHDR_DECREF_FAST_RAW((thr),(h),duk_hobject_refzero_norz,duk_hobject *)
+#define DUK_HBUFOBJ_INCREF(thr,h) DUK_HEAPHDR_INCREF((thr),(duk_heaphdr *) &(h)->obj)
+#define DUK_HBUFOBJ_DECREF(thr,h) DUK_HEAPHDR_DECREF_FAST_RAW((thr),(h),duk_hobject_refzero,duk_hobject *)
+#define DUK_HBUFOBJ_DECREF_NORZ(thr,h) DUK_HEAPHDR_DECREF_FAST_RAW((thr),(h),duk_hobject_refzero_norz,duk_hobject *)
+#define DUK_HTHREAD_INCREF(thr,h) DUK_HEAPHDR_INCREF((thr),(duk_heaphdr *) &(h)->obj)
+#define DUK_HTHREAD_DECREF(thr,h) DUK_HEAPHDR_DECREF_FAST_RAW((thr),(h),duk_hobject_refzero,duk_hobject *)
+#define DUK_HTHREAD_DECREF_NORZ(thr,h) DUK_HEAPHDR_DECREF_FAST_RAW((thr),(h),duk_hobject_refzero_norz,duk_hobject *)
#else
#define DUK_TVAL_INCREF(thr,tv) DUK_TVAL_INCREF_SLOW((thr),(tv))
#define DUK_TVAL_DECREF(thr,tv) DUK_TVAL_DECREF_SLOW((thr),(tv))
+#define DUK_TVAL_DECREF_NORZ(thr,tv) DUK_TVAL_DECREF_NORZ_SLOW((thr),(tv))
#define DUK_HEAPHDR_INCREF(thr,h) DUK_HEAPHDR_INCREF_SLOW((thr),(h))
#define DUK_HEAPHDR_DECREF(thr,h) DUK_HEAPHDR_DECREF_SLOW((thr),(h))
-#endif
-
-/* Casting convenience. */
+#define DUK_HEAPHDR_DECREF_NORZ(thr,h) DUK_HEAPHDR_DECREF_NORZ_SLOW((thr),(h))
#define DUK_HSTRING_INCREF(thr,h) DUK_HEAPHDR_INCREF((thr),(duk_heaphdr *) (h))
-#define DUK_HSTRING_DECREF(thr,h) DUK_HEAPHDR_DECREF((thr),(duk_heaphdr *) (h))
+#define DUK_HSTRING_DECREF(thr,h) DUK_HSTRING_DECREF_SLOW((thr),(h))
+#define DUK_HSTRING_DECREF_NORZ(thr,h) DUK_HSTRING_DECREF_NORZ_SLOW((thr),(h))
#define DUK_HOBJECT_INCREF(thr,h) DUK_HEAPHDR_INCREF((thr),(duk_heaphdr *) (h))
-#define DUK_HOBJECT_DECREF(thr,h) DUK_HEAPHDR_DECREF((thr),(duk_heaphdr *) (h))
+#define DUK_HOBJECT_DECREF(thr,h) DUK_HOBJECT_DECREF_SLOW((thr),(h))
+#define DUK_HOBJECT_DECREF_NORZ(thr,h) DUK_HOBJECT_DECREF_NORZ_SLOW((thr),(h))
#define DUK_HBUFFER_INCREF(thr,h) DUK_HEAPHDR_INCREF((thr),(duk_heaphdr *) (h))
-#define DUK_HBUFFER_DECREF(thr,h) DUK_HEAPHDR_DECREF((thr),(duk_heaphdr *) (h))
-#define DUK_HCOMPILEDFUNCTION_INCREF(thr,h) DUK_HEAPHDR_INCREF((thr),(duk_heaphdr *) &(h)->obj)
-#define DUK_HCOMPILEDFUNCTION_DECREF(thr,h) DUK_HEAPHDR_DECREF((thr),(duk_heaphdr *) &(h)->obj)
-#define DUK_HNATIVEFUNCTION_INCREF(thr,h) DUK_HEAPHDR_INCREF((thr),(duk_heaphdr *) &(h)->obj)
-#define DUK_HNATIVEFUNCTION_DECREF(thr,h) DUK_HEAPHDR_DECREF((thr),(duk_heaphdr *) &(h)->obj)
-#define DUK_HBUFFEROBJECT_INCREF(thr,h) DUK_HEAPHDR_INCREF((thr),(duk_heaphdr *) &(h)->obj)
-#define DUK_HBUFFEROBJECT_DECREF(thr,h) DUK_HEAPHDR_DECREF((thr),(duk_heaphdr *) &(h)->obj)
+#define DUK_HBUFFER_DECREF(thr,h) DUK_HBUFFER_DECREF_SLOW((thr),(h))
+#define DUK_HBUFFER_DECREF_NORZ(thr,h) DUK_HBUFFER_DECREF_NORZ_SLOW((thr),(h))
+#define DUK_HCOMPFUNC_INCREF(thr,h) DUK_HEAPHDR_INCREF((thr),(duk_heaphdr *) &(h)->obj)
+#define DUK_HCOMPFUNC_DECREF(thr,h) DUK_HOBJECT_DECREF_SLOW((thr),(duk_hobject *) &(h)->obj)
+#define DUK_HCOMPFUNC_DECREF_NORZ(thr,h) DUK_HOBJECT_DECREF_NORZ_SLOW((thr),(duk_hobject *) &(h)->obj)
+#define DUK_HNATFUNC_INCREF(thr,h) DUK_HEAPHDR_INCREF((thr),(duk_heaphdr *) &(h)->obj)
+#define DUK_HNATFUNC_DECREF(thr,h) DUK_HOBJECT_DECREF_SLOW((thr),(duk_hobject *) &(h)->obj)
+#define DUK_HNATFUNC_DECREF_NORZ(thr,h) DUK_HOBJECT_DECREF_NORZ_SLOW((thr),(duk_hobject *) &(h)->obj)
+#define DUK_HBUFOBJ_INCREF(thr,h) DUK_HEAPHDR_INCREF((thr),(duk_heaphdr *) &(h)->obj)
+#define DUK_HBUFOBJ_DECREF(thr,h) DUK_HOBJECT_DECREF_SLOW((thr),(duk_hobject *) &(h)->obj)
+#define DUK_HBUFOB_DECREF_NORZ(thr,h) DUK_HOBJECT_DECREF_NORZ_SLOW((thr),(duk_hobject *) &(h)->obj)
#define DUK_HTHREAD_INCREF(thr,h) DUK_HEAPHDR_INCREF((thr),(duk_heaphdr *) &(h)->obj)
-#define DUK_HTHREAD_DECREF(thr,h) DUK_HEAPHDR_DECREF((thr),(duk_heaphdr *) &(h)->obj)
+#define DUK_HTHREAD_DECREF(thr,h) DUK_HOBJECT_DECREF_SLOW((thr),(duk_hobject *) &(h)->obj)
+#define DUK_HTHREAD_DECREF_NORZ(thr,h) DUK_HOBJECT_DECREF_NORZ_SLOW((thr),(duk_hobject *) &(h)->obj)
+#endif
/* Convenience for some situations; the above macros don't allow NULLs
- * for performance reasons.
+ * for performance reasons. Macros cover only actually needed cases.
*/
-#define DUK_HOBJECT_INCREF_ALLOWNULL(thr,h) do { \
+#define DUK_HEAPHDR_INCREF_ALLOWNULL(thr,h) do { \
if ((h) != NULL) { \
DUK_HEAPHDR_INCREF((thr), (duk_heaphdr *) (h)); \
} \
} while (0)
-#define DUK_HOBJECT_DECREF_ALLOWNULL(thr,h) do { \
+#define DUK_HEAPHDR_DECREF_ALLOWNULL(thr,h) do { \
if ((h) != NULL) { \
DUK_HEAPHDR_DECREF((thr), (duk_heaphdr *) (h)); \
} \
} while (0)
+#define DUK_HEAPHDR_DECREF_NORZ_ALLOWNULL(thr,h) do { \
+ if ((h) != NULL) { \
+ DUK_HEAPHDR_DECREF_NORZ((thr), (duk_heaphdr *) (h)); \
+ } \
+ } while (0)
+#define DUK_HOBJECT_INCREF_ALLOWNULL(thr,h) do { \
+ if ((h) != NULL) { \
+ DUK_HOBJECT_INCREF((thr), (h)); \
+ } \
+ } while (0)
+#define DUK_HOBJECT_DECREF_ALLOWNULL(thr,h) do { \
+ if ((h) != NULL) { \
+ DUK_HOBJECT_DECREF((thr), (h)); \
+ } \
+ } while (0)
+#define DUK_HOBJECT_DECREF_NORZ_ALLOWNULL(thr,h) do { \
+ if ((h) != NULL) { \
+ DUK_HOBJECT_DECREF_NORZ((thr), (h)); \
+ } \
+ } while (0)
+#define DUK_HBUFFER_INCREF_ALLOWNULL(thr,h) do { \
+ if ((h) != NULL) { \
+ DUK_HBUFFER_INCREF((thr), (h)); \
+ } \
+ } while (0)
+#define DUK_HBUFFER_DECREF_ALLOWNULL(thr,h) do { \
+ if ((h) != NULL) { \
+ DUK_HBUFFER_DECREF((thr), (h)); \
+ } \
+ } while (0)
+#define DUK_HBUFFER_DECREF_NORZ_ALLOWNULL(thr,h) do { \
+ if ((h) != NULL) { \
+ DUK_HBUFFER_DECREF_NORZ((thr), (h)); \
+ } \
+ } while (0)
+#define DUK_HTHREAD_INCREF_ALLOWNULL(thr,h) do { \
+ if ((h) != NULL) { \
+ DUK_HTHREAD_INCREF((thr), (h)); \
+ } \
+ } while (0)
+#define DUK_HTHREAD_DECREF_ALLOWNULL(thr,h) do { \
+ if ((h) != NULL) { \
+ DUK_HTHREAD_DECREF((thr), (h)); \
+ } \
+ } while (0)
+#define DUK_HTHREAD_DECREF_NORZ_ALLOWNULL(thr,h) do { \
+ if ((h) != NULL) { \
+ DUK_HTHREAD_DECREF_NORZ((thr), (h)); \
+ } \
+ } while (0)
+
+/* Free pending refzero entries; quick check to avoid call because often
+ * the queue is empty.
+ */
+#define DUK_REFZERO_CHECK_FAST(thr) do { \
+ if ((thr)->heap->refzero_list != NULL) { \
+ duk_refzero_free_pending((thr)); \
+ } \
+ } while (0)
+#define DUK_REFZERO_CHECK_SLOW(thr) do { \
+ duk_refzero_free_pending((thr)); \
+ } while (0)
/*
* Macros to set a duk_tval and update refcount of the target (decref the
@@ -3876,6 +4298,13 @@ struct duk_heaphdr_string {
DUK_TVAL_DECREF((thr), &tv__tmp); /* side effects */ \
} while (0)
+#define DUK_TVAL_SET_UNDEFINED_UPDREF_NORZ_ALT0(thr,tvptr_dst) do { \
+ duk_tval *tv__dst; duk_tval tv__tmp; tv__dst = (tvptr_dst); \
+ DUK_TVAL_SET_TVAL(&tv__tmp, tv__dst); \
+ DUK_TVAL_SET_UNDEFINED(tv__dst); \
+ DUK_TVAL_DECREF_NORZ((thr), &tv__tmp); \
+ } while (0)
+
#define DUK_TVAL_SET_UNUSED_UPDREF_ALT0(thr,tvptr_dst) do { \
duk_tval *tv__dst; duk_tval tv__tmp; tv__dst = (tvptr_dst); \
DUK_TVAL_SET_TVAL(&tv__tmp, tv__dst); \
@@ -3906,7 +4335,7 @@ struct duk_heaphdr_string {
#define DUK_TVAL_SET_NUMBER_CHKFAST_UPDREF_ALT0(thr,tvptr_dst,newval) do { \
duk_tval *tv__dst; duk_tval tv__tmp; tv__dst = (tvptr_dst); \
DUK_TVAL_SET_TVAL(&tv__tmp, tv__dst); \
- DUK_TVAL_SET_NUMBER_CHKFAST(tv__dst, (newval)); \
+ DUK_TVAL_SET_NUMBER_CHKFAST_FAST(tv__dst, (newval)); \
DUK_TVAL_DECREF((thr), &tv__tmp); /* side effects */ \
} while (0)
#define DUK_TVAL_SET_DOUBLE_UPDREF_ALT0(thr,tvptr_dst,newval) do { \
@@ -3922,22 +4351,22 @@ struct duk_heaphdr_string {
DUK_TVAL_DECREF((thr), &tv__tmp); /* side effects */ \
} while (0)
#if defined(DUK_USE_FASTINT)
-#define DUK_TVAL_SET_FASTINT_UPDREF_ALT0(thr,tvptr_dst,newval) do { \
+#define DUK_TVAL_SET_I48_UPDREF_ALT0(thr,tvptr_dst,newval) do { \
duk_tval *tv__dst; duk_tval tv__tmp; tv__dst = (tvptr_dst); \
DUK_TVAL_SET_TVAL(&tv__tmp, tv__dst); \
- DUK_TVAL_SET_FASTINT(tv__dst, (newval)); \
+ DUK_TVAL_SET_I48(tv__dst, (newval)); \
DUK_TVAL_DECREF((thr), &tv__tmp); /* side effects */ \
} while (0)
-#define DUK_TVAL_SET_FASTINT_I32_UPDREF_ALT0(thr,tvptr_dst,newval) do { \
+#define DUK_TVAL_SET_I32_UPDREF_ALT0(thr,tvptr_dst,newval) do { \
duk_tval *tv__dst; duk_tval tv__tmp; tv__dst = (tvptr_dst); \
DUK_TVAL_SET_TVAL(&tv__tmp, tv__dst); \
- DUK_TVAL_SET_FASTINT_I32(tv__dst, (newval)); \
+ DUK_TVAL_SET_I32(tv__dst, (newval)); \
DUK_TVAL_DECREF((thr), &tv__tmp); /* side effects */ \
} while (0)
-#define DUK_TVAL_SET_FASTINT_U32_UPDREF_ALT0(thr,tvptr_dst,newval) do { \
+#define DUK_TVAL_SET_U32_UPDREF_ALT0(thr,tvptr_dst,newval) do { \
duk_tval *tv__dst; duk_tval tv__tmp; tv__dst = (tvptr_dst); \
DUK_TVAL_SET_TVAL(&tv__tmp, tv__dst); \
- DUK_TVAL_SET_FASTINT_U32(tv__dst, (newval)); \
+ DUK_TVAL_SET_U32(tv__dst, (newval)); \
DUK_TVAL_DECREF((thr), &tv__tmp); /* side effects */ \
} while (0)
#else
@@ -4019,6 +4448,7 @@ struct duk_heaphdr_string {
/* XXX: no optimized variants yet */
#define DUK_TVAL_SET_UNDEFINED_UPDREF DUK_TVAL_SET_UNDEFINED_UPDREF_ALT0
+#define DUK_TVAL_SET_UNDEFINED_UPDREF_NORZ DUK_TVAL_SET_UNDEFINED_UPDREF_NORZ_ALT0
#define DUK_TVAL_SET_UNUSED_UPDREF DUK_TVAL_SET_UNUSED_UPDREF_ALT0
#define DUK_TVAL_SET_NULL_UPDREF DUK_TVAL_SET_NULL_UPDREF_ALT0
#define DUK_TVAL_SET_BOOLEAN_UPDREF DUK_TVAL_SET_BOOLEAN_UPDREF_ALT0
@@ -4027,14 +4457,15 @@ struct duk_heaphdr_string {
#define DUK_TVAL_SET_DOUBLE_UPDREF DUK_TVAL_SET_DOUBLE_UPDREF_ALT0
#define DUK_TVAL_SET_NAN_UPDREF DUK_TVAL_SET_NAN_UPDREF_ALT0
#if defined(DUK_USE_FASTINT)
-#define DUK_TVAL_SET_FASTINT_UPDREF DUK_TVAL_SET_FASTINT_UPDREF_ALT0
-#define DUK_TVAL_SET_FASTINT_I32_UPDREF DUK_TVAL_SET_FASTINT_I32_UPDREF_ALT0
-#define DUK_TVAL_SET_FASTINT_U32_UPDREF DUK_TVAL_SET_FASTINT_U32_UPDREF_ALT0
+#define DUK_TVAL_SET_I48_UPDREF DUK_TVAL_SET_I48_UPDREF_ALT0
+#define DUK_TVAL_SET_I32_UPDREF DUK_TVAL_SET_I32_UPDREF_ALT0
+#define DUK_TVAL_SET_U32_UPDREF DUK_TVAL_SET_U32_UPDREF_ALT0
#else
-#define DUK_TVAL_SET_FASTINT_UPDREF DUK_TVAL_SET_DOUBLE_CAST_UPDREF /* XXX: fast int-to-double */
-#define DUK_TVAL_SET_FASTINT_I32_UPDREF DUK_TVAL_SET_DOUBLE_CAST_UPDREF
-#define DUK_TVAL_SET_FASTINT_U32_UPDREF DUK_TVAL_SET_DOUBLE_CAST_UPDREF
+#define DUK_TVAL_SET_I48_UPDREF DUK_TVAL_SET_DOUBLE_CAST_UPDREF /* XXX: fast int-to-double */
+#define DUK_TVAL_SET_I32_UPDREF DUK_TVAL_SET_DOUBLE_CAST_UPDREF
+#define DUK_TVAL_SET_U32_UPDREF DUK_TVAL_SET_DOUBLE_CAST_UPDREF
#endif /* DUK_USE_FASTINT */
+#define DUK_TVAL_SET_FASTINT_UPDREF DUK_TVAL_SET_I48_UPDREF /* convenience */
#define DUK_TVAL_SET_LIGHTFUNC_UPDREF DUK_TVAL_SET_LIGHTFUNC_UPDREF_ALT0
#define DUK_TVAL_SET_STRING_UPDREF DUK_TVAL_SET_STRING_UPDREF_ALT0
#define DUK_TVAL_SET_OBJECT_UPDREF DUK_TVAL_SET_OBJECT_UPDREF_ALT0
@@ -4055,34 +4486,76 @@ struct duk_heaphdr_string {
#else /* DUK_USE_REFERENCE_COUNTING */
+#define DUK_TVAL_NEEDS_REFCOUNT_UPDATE(tv) 0
+#define DUK_HEAPHDR_NEEDS_REFCOUNT_UPDATE(h) 0
+
#define DUK_TVAL_INCREF_FAST(thr,v) do {} while (0) /* nop */
#define DUK_TVAL_DECREF_FAST(thr,v) do {} while (0) /* nop */
+#define DUK_TVAL_DECREF_NORZ_FAST(thr,v) do {} while (0) /* nop */
#define DUK_TVAL_INCREF_SLOW(thr,v) do {} while (0) /* nop */
#define DUK_TVAL_DECREF_SLOW(thr,v) do {} while (0) /* nop */
+#define DUK_TVAL_DECREF_NORZ_SLOW(thr,v) do {} while (0) /* nop */
#define DUK_TVAL_INCREF(thr,v) do {} while (0) /* nop */
#define DUK_TVAL_DECREF(thr,v) do {} while (0) /* nop */
+#define DUK_TVAL_DECREF_NORZ(thr,v) do {} while (0) /* nop */
#define DUK_HEAPHDR_INCREF_FAST(thr,h) do {} while (0) /* nop */
#define DUK_HEAPHDR_DECREF_FAST(thr,h) do {} while (0) /* nop */
+#define DUK_HEAPHDR_DECREF_NORZ_FAST(thr,h) do {} while (0) /* nop */
#define DUK_HEAPHDR_INCREF_SLOW(thr,h) do {} while (0) /* nop */
#define DUK_HEAPHDR_DECREF_SLOW(thr,h) do {} while (0) /* nop */
+#define DUK_HEAPHDR_DECREF_NORZ_SLOW(thr,h) do {} while (0) /* nop */
#define DUK_HEAPHDR_INCREF(thr,h) do {} while (0) /* nop */
#define DUK_HEAPHDR_DECREF(thr,h) do {} while (0) /* nop */
+#define DUK_HEAPHDR_DECREF_NORZ(thr,h) do {} while (0) /* nop */
+#define DUK_HSTRING_INCREF_FAST(thr,h) do {} while (0) /* nop */
+#define DUK_HSTRING_DECREF_FAST(thr,h) do {} while (0) /* nop */
+#define DUK_HSTRING_DECREF_NORZ_FAST(thr,h) do {} while (0) /* nop */
+#define DUK_HSTRING_INCREF_SLOW(thr,h) do {} while (0) /* nop */
+#define DUK_HSTRING_DECREF_SLOW(thr,h) do {} while (0) /* nop */
+#define DUK_HSTRING_DECREF_NORZ_SLOW(thr,h) do {} while (0) /* nop */
#define DUK_HSTRING_INCREF(thr,h) do {} while (0) /* nop */
#define DUK_HSTRING_DECREF(thr,h) do {} while (0) /* nop */
+#define DUK_HSTRING_DECREF_NORZ(thr,h) do {} while (0) /* nop */
+#define DUK_HOBJECT_INCREF_FAST(thr,h) do {} while (0) /* nop */
+#define DUK_HOBJECT_DECREF_FAST(thr,h) do {} while (0) /* nop */
+#define DUK_HOBJECT_DECREF_NORZ_FAST(thr,h) do {} while (0) /* nop */
+#define DUK_HOBJECT_INCREF_SLOW(thr,h) do {} while (0) /* nop */
+#define DUK_HOBJECT_DECREF_SLOW(thr,h) do {} while (0) /* nop */
+#define DUK_HOBJECT_DECREF_NORZ_SLOW(thr,h) do {} while (0) /* nop */
#define DUK_HOBJECT_INCREF(thr,h) do {} while (0) /* nop */
#define DUK_HOBJECT_DECREF(thr,h) do {} while (0) /* nop */
+#define DUK_HOBJECT_DECREF_NORZ(thr,h) do {} while (0) /* nop */
+#define DUK_HBUFFER_INCREF_FAST(thr,h) do {} while (0) /* nop */
+#define DUK_HBUFFER_DECREF_FAST(thr,h) do {} while (0) /* nop */
+#define DUK_HBUFFER_DECREF_NORZ_FAST(thr,h) do {} while (0) /* nop */
+#define DUK_HBUFFER_INCREF_SLOW(thr,h) do {} while (0) /* nop */
+#define DUK_HBUFFER_DECREF_SLOW(thr,h) do {} while (0) /* nop */
+#define DUK_HBUFFER_DECREF_NORZ_SLOW(thr,h) do {} while (0) /* nop */
#define DUK_HBUFFER_INCREF(thr,h) do {} while (0) /* nop */
#define DUK_HBUFFER_DECREF(thr,h) do {} while (0) /* nop */
-#define DUK_HCOMPILEDFUNCTION_INCREF(thr,h) do {} while (0) /* nop */
-#define DUK_HCOMPILEDFUNCTION_DECREF(thr,h) do {} while (0) /* nop */
-#define DUK_HNATIVEFUNCTION_INCREF(thr,h) do {} while (0) /* nop */
-#define DUK_HNATIVEFUNCTION_DECREF(thr,h) do {} while (0) /* nop */
-#define DUK_HBUFFEROBJECT_INCREF(thr,h) do {} while (0) /* nop */
-#define DUK_HBUFFEROBJECT_DECREF(thr,h) do {} while (0) /* nop */
+#define DUK_HBUFFER_DECREF_NORZ(thr,h) do {} while (0) /* nop */
+
+#define DUK_HCOMPFUNC_INCREF(thr,h) do {} while (0) /* nop */
+#define DUK_HCOMPFUNC_DECREF(thr,h) do {} while (0) /* nop */
+#define DUK_HCOMPFUNC_DECREF_NORZ(thr,h) do {} while (0) /* nop */
+#define DUK_HNATFUNC_INCREF(thr,h) do {} while (0) /* nop */
+#define DUK_HNATFUNC_DECREF(thr,h) do {} while (0) /* nop */
+#define DUK_HNATFUNC_DECREF_NORZ(thr,h) do {} while (0) /* nop */
+#define DUK_HBUFOBJ_INCREF(thr,h) do {} while (0) /* nop */
+#define DUK_HBUFOBJ_DECREF(thr,h) do {} while (0) /* nop */
+#define DUK_HBUFOBJ_DECREF_NORZ(thr,h) do {} while (0) /* nop */
#define DUK_HTHREAD_INCREF(thr,h) do {} while (0) /* nop */
#define DUK_HTHREAD_DECREF(thr,h) do {} while (0) /* nop */
+#define DUK_HTHREAD_DECREF_NORZ(thr,h) do {} while (0) /* nop */
#define DUK_HOBJECT_INCREF_ALLOWNULL(thr,h) do {} while (0) /* nop */
#define DUK_HOBJECT_DECREF_ALLOWNULL(thr,h) do {} while (0) /* nop */
+#define DUK_HOBJECT_DECREF_NORZ_ALLOWNULL(thr,h) do {} while (0) /* nop */
+#define DUK_HBUFFER_INCREF_ALLOWNULL(thr,h) do {} while (0) /* nop */
+#define DUK_HBUFFER_DECREF_ALLOWNULL(thr,h) do {} while (0) /* nop */
+#define DUK_HBUFFER_DECREF_NORZ_ALLOWNULL(thr,h) do {} while (0) /* nop */
+
+#define DUK_REFZERO_CHECK_FAST(thr) do {} while (0) /* nop */
+#define DUK_REFZERO_CHECK_SLOW(thr) do {} while (0) /* nop */
#define DUK_TVAL_SET_UNDEFINED_UPDREF_ALT0(thr,tvptr_dst) do { \
duk_tval *tv__dst; tv__dst = (tvptr_dst); \
@@ -4115,7 +4588,7 @@ struct duk_heaphdr_string {
} while (0)
#define DUK_TVAL_SET_NUMBER_CHKFAST_UPDREF_ALT0(thr,tvptr_dst,newval) do { \
duk_tval *tv__dst; tv__dst = (tvptr_dst); \
- DUK_TVAL_SET_NUMBER_CHKFAST(tv__dst, (newval)); \
+ DUK_TVAL_SET_NUMBER_CHKFAST_FAST(tv__dst, (newval)); \
DUK_UNREF((thr)); \
} while (0)
#define DUK_TVAL_SET_DOUBLE_UPDREF_ALT0(thr,tvptr_dst,newval) do { \
@@ -4129,19 +4602,19 @@ struct duk_heaphdr_string {
DUK_UNREF((thr)); \
} while (0)
#if defined(DUK_USE_FASTINT)
-#define DUK_TVAL_SET_FASTINT_UPDREF_ALT0(thr,tvptr_dst,newval) do { \
+#define DUK_TVAL_SET_I48_UPDREF_ALT0(thr,tvptr_dst,newval) do { \
duk_tval *tv__dst; tv__dst = (tvptr_dst); \
- DUK_TVAL_SET_FASTINT(tv__dst, (newval)); \
+ DUK_TVAL_SET_I48(tv__dst, (newval)); \
DUK_UNREF((thr)); \
} while (0)
-#define DUK_TVAL_SET_FASTINT_I32_UPDREF_ALT0(thr,tvptr_dst,newval) do { \
+#define DUK_TVAL_SET_I32_UPDREF_ALT0(thr,tvptr_dst,newval) do { \
duk_tval *tv__dst; tv__dst = (tvptr_dst); \
- DUK_TVAL_SET_FASTINT_I32(tv__dst, (newval)); \
+ DUK_TVAL_SET_I32(tv__dst, (newval)); \
DUK_UNREF((thr)); \
} while (0)
-#define DUK_TVAL_SET_FASTINT_U32_UPDREF_ALT0(thr,tvptr_dst,newval) do { \
+#define DUK_TVAL_SET_U32_UPDREF_ALT0(thr,tvptr_dst,newval) do { \
duk_tval *tv__dst; tv__dst = (tvptr_dst); \
- DUK_TVAL_SET_FASTINT_U32(tv__dst, (newval)); \
+ DUK_TVAL_SET_U32(tv__dst, (newval)); \
DUK_UNREF((thr)); \
} while (0)
#else
@@ -4187,6 +4660,7 @@ struct duk_heaphdr_string {
} while (0)
#define DUK_TVAL_SET_UNDEFINED_UPDREF DUK_TVAL_SET_UNDEFINED_UPDREF_ALT0
+#define DUK_TVAL_SET_UNDEFINED_UPDREF_NORZ DUK_TVAL_SET_UNDEFINED_UPDREF_ALT0
#define DUK_TVAL_SET_UNUSED_UPDREF DUK_TVAL_SET_UNUSED_UPDREF_ALT0
#define DUK_TVAL_SET_NULL_UPDREF DUK_TVAL_SET_NULL_UPDREF_ALT0
#define DUK_TVAL_SET_BOOLEAN_UPDREF DUK_TVAL_SET_BOOLEAN_UPDREF_ALT0
@@ -4195,14 +4669,15 @@ struct duk_heaphdr_string {
#define DUK_TVAL_SET_DOUBLE_UPDREF DUK_TVAL_SET_DOUBLE_UPDREF_ALT0
#define DUK_TVAL_SET_NAN_UPDREF DUK_TVAL_SET_NAN_UPDREF_ALT0
#if defined(DUK_USE_FASTINT)
-#define DUK_TVAL_SET_FASTINT_UPDREF DUK_TVAL_SET_FASTINT_UPDREF_ALT0
-#define DUK_TVAL_SET_FASTINT_I32_UPDREF DUK_TVAL_SET_FASTINT_I32_UPDREF_ALT0
-#define DUK_TVAL_SET_FASTINT_U32_UPDREF DUK_TVAL_SET_FASTINT_U32_UPDREF_ALT0
+#define DUK_TVAL_SET_I48_UPDREF DUK_TVAL_SET_I48_UPDREF_ALT0
+#define DUK_TVAL_SET_I32_UPDREF DUK_TVAL_SET_I32_UPDREF_ALT0
+#define DUK_TVAL_SET_U32_UPDREF DUK_TVAL_SET_U32_UPDREF_ALT0
#else
-#define DUK_TVAL_SET_FASTINT_UPDREF DUK_TVAL_SET_DOUBLE_CAST_UPDREF /* XXX: fast-int-to-double */
-#define DUK_TVAL_SET_FASTINT_I32_UPDREF DUK_TVAL_SET_DOUBLE_CAST_UPDREF
-#define DUK_TVAL_SET_FASTINT_U32_UPDREF DUK_TVAL_SET_DOUBLE_CAST_UPDREF
+#define DUK_TVAL_SET_I48_UPDREF DUK_TVAL_SET_DOUBLE_CAST_UPDREF /* XXX: fast-int-to-double */
+#define DUK_TVAL_SET_I32_UPDREF DUK_TVAL_SET_DOUBLE_CAST_UPDREF
+#define DUK_TVAL_SET_U32_UPDREF DUK_TVAL_SET_DOUBLE_CAST_UPDREF
#endif /* DUK_USE_FASTINT */
+#define DUK_TVAL_SET_FASTINT_UPDREF DUK_TVAL_SET_I48_UPDREF /* convenience */
#define DUK_TVAL_SET_LIGHTFUNC_UPDREF DUK_TVAL_SET_LIGHTFUNC_UPDREF_ALT0
#define DUK_TVAL_SET_STRING_UPDREF DUK_TVAL_SET_STRING_UPDREF_ALT0
#define DUK_TVAL_SET_OBJECT_UPDREF DUK_TVAL_SET_OBJECT_UPDREF_ALT0
@@ -4216,13 +4691,13 @@ struct duk_heaphdr_string {
#endif /* DUK_USE_REFERENCE_COUNTING */
#endif /* DUK_HEAPHDR_H_INCLUDED */
-#line 1 "duk_api_internal.h"
+/* #include duk_api_internal.h */
/*
* Internal API calls which have (stack and other) semantics similar
* to the public API.
*/
-#ifndef DUK_API_INTERNAL_H_INCLUDED
+#if !defined(DUK_API_INTERNAL_H_INCLUDED)
#define DUK_API_INTERNAL_H_INCLUDED
/* duk_push_sprintf constants */
@@ -4247,12 +4722,27 @@ duk_bool_t duk_valstack_resize_raw(duk_context *ctx,
duk_size_t min_new_size,
duk_small_uint_t flags);
+DUK_INTERNAL_DECL void duk_dup_0(duk_context *ctx);
+DUK_INTERNAL_DECL void duk_dup_1(duk_context *ctx);
+DUK_INTERNAL_DECL void duk_dup_2(duk_context *ctx);
+/* duk_dup_m1() would be same as duk_dup_top() */
+DUK_INTERNAL_DECL void duk_dup_m2(duk_context *ctx);
+DUK_INTERNAL_DECL void duk_dup_m3(duk_context *ctx);
+DUK_INTERNAL_DECL void duk_dup_m4(duk_context *ctx);
+
+DUK_INTERNAL_DECL void duk_remove_m2(duk_context *ctx);
+
+DUK_INTERNAL_DECL duk_int_t duk_get_type_tval(duk_tval *tv);
+DUK_INTERNAL_DECL duk_uint_t duk_get_type_mask_tval(duk_tval *tv);
+
#if defined(DUK_USE_VERBOSE_ERRORS) && defined(DUK_USE_PARANOID_ERRORS)
-DUK_INTERNAL_DECL const char *duk_get_type_name(duk_context *ctx, duk_idx_t index);
+DUK_INTERNAL_DECL const char *duk_get_type_name(duk_context *ctx, duk_idx_t idx);
#endif
+DUK_INTERNAL_DECL duk_small_uint_t duk_get_class_number(duk_context *ctx, duk_idx_t idx);
-DUK_INTERNAL_DECL duk_tval *duk_get_tval(duk_context *ctx, duk_idx_t index);
-DUK_INTERNAL_DECL duk_tval *duk_require_tval(duk_context *ctx, duk_idx_t index);
+DUK_INTERNAL_DECL duk_tval *duk_get_tval(duk_context *ctx, duk_idx_t idx);
+DUK_INTERNAL_DECL duk_tval *duk_get_tval_or_unused(duk_context *ctx, duk_idx_t idx);
+DUK_INTERNAL_DECL duk_tval *duk_require_tval(duk_context *ctx, duk_idx_t idx);
DUK_INTERNAL_DECL void duk_push_tval(duk_context *ctx, duk_tval *tv);
/* Push the current 'this' binding; throw TypeError if binding is not object
@@ -4266,6 +4756,8 @@ DUK_INTERNAL_DECL duk_hobject *duk_push_this_coercible_to_object(duk_context *ct
/* duk_push_this() + CheckObjectCoercible() + duk_to_string() */
DUK_INTERNAL_DECL duk_hstring *duk_push_this_coercible_to_string(duk_context *ctx);
+DUK_INTERNAL_DECL duk_hstring *duk_push_uint_to_hstring(duk_context *ctx, duk_uint_t i);
+
/* Get a borrowed duk_tval pointer to the current 'this' binding. Caller must
* make sure there's an active callstack entry. Note that the returned pointer
* is unstable with regards to side effects.
@@ -4292,105 +4784,200 @@ DUK_INTERNAL_DECL duk_tval *duk_get_borrowed_this_tval(duk_context *ctx);
#define duk_push_size_t(ctx,val) \
duk_push_uint((ctx), (duk_uint_t) (val)) /* XXX: assumed to fit for now */
-DUK_INTERNAL_DECL duk_hstring *duk_get_hstring(duk_context *ctx, duk_idx_t index);
-DUK_INTERNAL_DECL duk_hobject *duk_get_hobject(duk_context *ctx, duk_idx_t index);
-DUK_INTERNAL_DECL duk_hbuffer *duk_get_hbuffer(duk_context *ctx, duk_idx_t index);
-DUK_INTERNAL_DECL duk_hthread *duk_get_hthread(duk_context *ctx, duk_idx_t index);
-DUK_INTERNAL_DECL duk_hcompiledfunction *duk_get_hcompiledfunction(duk_context *ctx, duk_idx_t index);
-DUK_INTERNAL_DECL duk_hnativefunction *duk_get_hnativefunction(duk_context *ctx, duk_idx_t index);
+DUK_INTERNAL_DECL duk_bool_t duk_is_string_notsymbol(duk_context *ctx, duk_idx_t idx);
-DUK_INTERNAL_DECL duk_hobject *duk_get_hobject_with_class(duk_context *ctx, duk_idx_t index, duk_small_uint_t classnum);
+DUK_INTERNAL_DECL duk_hstring *duk_get_hstring(duk_context *ctx, duk_idx_t idx);
+DUK_INTERNAL_DECL duk_hstring *duk_get_hstring_notsymbol(duk_context *ctx, duk_idx_t idx);
+DUK_INTERNAL_DECL const char *duk_get_string_notsymbol(duk_context *ctx, duk_idx_t idx);
+DUK_INTERNAL_DECL duk_hobject *duk_get_hobject(duk_context *ctx, duk_idx_t idx);
+DUK_INTERNAL_DECL duk_hbuffer *duk_get_hbuffer(duk_context *ctx, duk_idx_t idx);
+DUK_INTERNAL_DECL duk_hthread *duk_get_hthread(duk_context *ctx, duk_idx_t idx);
+DUK_INTERNAL_DECL duk_hcompfunc *duk_get_hcompfunc(duk_context *ctx, duk_idx_t idx);
+DUK_INTERNAL_DECL duk_hnatfunc *duk_get_hnatfunc(duk_context *ctx, duk_idx_t idx);
-#if 0 /* This would be pointless: unexpected type and lightfunc would both return NULL */
-DUK_INTERNAL_DECL duk_hobject *duk_get_hobject_or_lfunc(duk_context *ctx, duk_idx_t index);
-#endif
-DUK_INTERNAL_DECL duk_hobject *duk_get_hobject_or_lfunc_coerce(duk_context *ctx, duk_idx_t index);
+DUK_INTERNAL_DECL void *duk_get_buffer_data_raw(duk_context *ctx, duk_idx_t idx, duk_size_t *out_size, duk_bool_t throw_flag, duk_bool_t *out_found);
+
+DUK_INTERNAL_DECL duk_hobject *duk_get_hobject_with_class(duk_context *ctx, duk_idx_t idx, duk_small_uint_t classnum);
+
+DUK_INTERNAL_DECL duk_hobject *duk_get_hobject_promote_mask(duk_context *ctx, duk_idx_t idx, duk_uint_t type_mask);
+DUK_INTERNAL_DECL duk_hobject *duk_require_hobject_promote_mask(duk_context *ctx, duk_idx_t idx, duk_uint_t type_mask);
+DUK_INTERNAL_DECL duk_hobject *duk_require_hobject_accept_mask(duk_context *ctx, duk_idx_t idx, duk_uint_t type_mask);
+#define duk_require_hobject_promote_lfunc(ctx,idx) \
+ duk_require_hobject_promote_mask((ctx), (idx), DUK_TYPE_MASK_LIGHTFUNC)
+#define duk_get_hobject_promote_lfunc(ctx,idx) \
+ duk_get_hobject_promote_mask((ctx), (idx), DUK_TYPE_MASK_LIGHTFUNC)
#if 0 /*unused*/
-DUK_INTERNAL_DECL void *duk_get_voidptr(duk_context *ctx, duk_idx_t index);
+DUK_INTERNAL_DECL void *duk_get_voidptr(duk_context *ctx, duk_idx_t idx);
#endif
-DUK_INTERNAL_DECL duk_hstring *duk_to_hstring(duk_context *ctx, duk_idx_t index);
+DUK_INTERNAL_DECL duk_hstring *duk_known_hstring(duk_context *ctx, duk_idx_t idx);
+DUK_INTERNAL_DECL duk_hobject *duk_known_hobject(duk_context *ctx, duk_idx_t idx);
+DUK_INTERNAL_DECL duk_hbuffer *duk_known_hbuffer(duk_context *ctx, duk_idx_t idx);
+DUK_INTERNAL_DECL duk_hcompfunc *duk_known_hcompfunc(duk_context *ctx, duk_idx_t idx);
+DUK_INTERNAL_DECL duk_hnatfunc *duk_known_hnatfunc(duk_context *ctx, duk_idx_t idx);
+
+DUK_INTERNAL_DECL duk_double_t duk_to_number_tval(duk_context *ctx, duk_tval *tv);
+
+DUK_INTERNAL_DECL duk_hstring *duk_to_hstring(duk_context *ctx, duk_idx_t idx);
+DUK_INTERNAL_DECL duk_hstring *duk_to_hstring_m1(duk_context *ctx);
+DUK_INTERNAL_DECL duk_hstring *duk_to_hstring_acceptsymbol(duk_context *ctx, duk_idx_t idx);
+
+DUK_INTERNAL_DECL duk_hobject *duk_to_hobject(duk_context *ctx, duk_idx_t idx);
+
+DUK_INTERNAL_DECL duk_double_t duk_to_number_m1(duk_context *ctx);
+DUK_INTERNAL_DECL duk_double_t duk_to_number_m2(duk_context *ctx);
+
#if defined(DUK_USE_DEBUGGER_SUPPORT) /* only needed by debugger for now */
-DUK_INTERNAL_DECL duk_hstring *duk_safe_to_hstring(duk_context *ctx, duk_idx_t index);
-#endif
-DUK_INTERNAL_DECL void duk_to_object_class_string_top(duk_context *ctx);
-#if !defined(DUK_USE_PARANOID_ERRORS)
-DUK_INTERNAL_DECL void duk_push_hobject_class_string(duk_context *ctx, duk_hobject *h);
+DUK_INTERNAL_DECL duk_hstring *duk_safe_to_hstring(duk_context *ctx, duk_idx_t idx);
#endif
+DUK_INTERNAL_DECL void duk_push_class_string_tval(duk_context *ctx, duk_tval *tv);
-DUK_INTERNAL_DECL duk_int_t duk_to_int_clamped_raw(duk_context *ctx, duk_idx_t index, duk_int_t minval, duk_int_t maxval, duk_bool_t *out_clamped); /* out_clamped=NULL, RangeError if outside range */
-DUK_INTERNAL_DECL duk_int_t duk_to_int_clamped(duk_context *ctx, duk_idx_t index, duk_int_t minval, duk_int_t maxval);
-DUK_INTERNAL_DECL duk_int_t duk_to_int_check_range(duk_context *ctx, duk_idx_t index, duk_int_t minval, duk_int_t maxval);
+DUK_INTERNAL_DECL duk_int_t duk_to_int_clamped_raw(duk_context *ctx, duk_idx_t idx, duk_int_t minval, duk_int_t maxval, duk_bool_t *out_clamped); /* out_clamped=NULL, RangeError if outside range */
+DUK_INTERNAL_DECL duk_int_t duk_to_int_clamped(duk_context *ctx, duk_idx_t idx, duk_int_t minval, duk_int_t maxval);
+DUK_INTERNAL_DECL duk_int_t duk_to_int_check_range(duk_context *ctx, duk_idx_t idx, duk_int_t minval, duk_int_t maxval);
#if defined(DUK_USE_BUFFEROBJECT_SUPPORT)
-DUK_INTERNAL_DECL duk_uint8_t duk_to_uint8clamped(duk_context *ctx, duk_idx_t index);
+DUK_INTERNAL_DECL duk_uint8_t duk_to_uint8clamped(duk_context *ctx, duk_idx_t idx);
#endif
+DUK_INTERNAL_DECL duk_hstring *duk_to_property_key_hstring(duk_context *ctx, duk_idx_t idx);
-DUK_INTERNAL_DECL duk_hstring *duk_require_hstring(duk_context *ctx, duk_idx_t index);
-DUK_INTERNAL_DECL duk_hobject *duk_require_hobject(duk_context *ctx, duk_idx_t index);
-DUK_INTERNAL_DECL duk_hbuffer *duk_require_hbuffer(duk_context *ctx, duk_idx_t index);
-DUK_INTERNAL_DECL duk_hthread *duk_require_hthread(duk_context *ctx, duk_idx_t index);
-DUK_INTERNAL_DECL duk_hcompiledfunction *duk_require_hcompiledfunction(duk_context *ctx, duk_idx_t index);
-DUK_INTERNAL_DECL duk_hnativefunction *duk_require_hnativefunction(duk_context *ctx, duk_idx_t index);
-
-DUK_INTERNAL_DECL duk_hobject *duk_require_hobject_with_class(duk_context *ctx, duk_idx_t index, duk_small_uint_t classnum);
+DUK_INTERNAL_DECL duk_hstring *duk_require_hstring(duk_context *ctx, duk_idx_t idx);
+DUK_INTERNAL_DECL duk_hstring *duk_require_hstring_notsymbol(duk_context *ctx, duk_idx_t idx);
+DUK_INTERNAL_DECL const char *duk_require_lstring_notsymbol(duk_context *ctx, duk_idx_t idx, duk_size_t *out_len);
+DUK_INTERNAL_DECL const char *duk_require_string_notsymbol(duk_context *ctx, duk_idx_t idx);
+DUK_INTERNAL_DECL duk_hobject *duk_require_hobject(duk_context *ctx, duk_idx_t idx);
+DUK_INTERNAL_DECL duk_hbuffer *duk_require_hbuffer(duk_context *ctx, duk_idx_t idx);
+DUK_INTERNAL_DECL duk_hthread *duk_require_hthread(duk_context *ctx, duk_idx_t idx);
+DUK_INTERNAL_DECL duk_hcompfunc *duk_require_hcompfunc(duk_context *ctx, duk_idx_t idx);
+DUK_INTERNAL_DECL duk_hnatfunc *duk_require_hnatfunc(duk_context *ctx, duk_idx_t idx);
-DUK_INTERNAL_DECL duk_hobject *duk_require_hobject_or_lfunc(duk_context *ctx, duk_idx_t index);
-DUK_INTERNAL_DECL duk_hobject *duk_require_hobject_or_lfunc_coerce(duk_context *ctx, duk_idx_t index);
+DUK_INTERNAL_DECL duk_hobject *duk_require_hobject_with_class(duk_context *ctx, duk_idx_t idx, duk_small_uint_t classnum);
DUK_INTERNAL_DECL void duk_push_hstring(duk_context *ctx, duk_hstring *h);
-DUK_INTERNAL_DECL void duk_push_hstring_stridx(duk_context *ctx, duk_small_int_t stridx);
+DUK_INTERNAL_DECL void duk_push_hstring_stridx(duk_context *ctx, duk_small_uint_t stridx);
+DUK_INTERNAL_DECL void duk_push_hstring_empty(duk_context *ctx);
DUK_INTERNAL_DECL void duk_push_hobject(duk_context *ctx, duk_hobject *h);
DUK_INTERNAL_DECL void duk_push_hbuffer(duk_context *ctx, duk_hbuffer *h);
#define duk_push_hthread(ctx,h) \
duk_push_hobject((ctx), (duk_hobject *) (h))
-#define duk_push_hcompiledfunction(ctx,h) \
- duk_push_hobject((ctx), (duk_hobject *) (h))
-#define duk_push_hnativefunction(ctx,h) \
+#define duk_push_hnatfunc(ctx,h) \
duk_push_hobject((ctx), (duk_hobject *) (h))
DUK_INTERNAL_DECL void duk_push_hobject_bidx(duk_context *ctx, duk_small_int_t builtin_idx);
-DUK_INTERNAL_DECL duk_idx_t duk_push_object_helper(duk_context *ctx, duk_uint_t hobject_flags_and_class, duk_small_int_t prototype_bidx);
-DUK_INTERNAL_DECL duk_idx_t duk_push_object_helper_proto(duk_context *ctx, duk_uint_t hobject_flags_and_class, duk_hobject *proto);
-DUK_INTERNAL_DECL duk_idx_t duk_push_object_internal(duk_context *ctx);
-DUK_INTERNAL_DECL duk_idx_t duk_push_compiledfunction(duk_context *ctx);
+DUK_INTERNAL_DECL duk_hobject *duk_push_object_helper(duk_context *ctx, duk_uint_t hobject_flags_and_class, duk_small_int_t prototype_bidx);
+DUK_INTERNAL_DECL duk_hobject *duk_push_object_helper_proto(duk_context *ctx, duk_uint_t hobject_flags_and_class, duk_hobject *proto);
+DUK_INTERNAL_DECL duk_hcompfunc *duk_push_hcompfunc(duk_context *ctx);
DUK_INTERNAL_DECL void duk_push_c_function_noexotic(duk_context *ctx, duk_c_function func, duk_int_t nargs);
DUK_INTERNAL_DECL void duk_push_c_function_noconstruct_noexotic(duk_context *ctx, duk_c_function func, duk_int_t nargs);
+/* XXX: duk_push_harray() and duk_push_hcompfunc() are inconsistent with
+ * duk_push_hobject() etc which don't create a new value.
+ */
+DUK_INTERNAL_DECL duk_harray *duk_push_harray(duk_context *ctx);
+DUK_INTERNAL_DECL duk_harray *duk_push_harray_with_size(duk_context *ctx, duk_uint32_t size);
+
DUK_INTERNAL_DECL void duk_push_string_funcptr(duk_context *ctx, duk_uint8_t *ptr, duk_size_t sz);
+DUK_INTERNAL_DECL void duk_push_lightfunc_name_raw(duk_context *ctx, duk_c_function func, duk_small_uint_t lf_flags);
DUK_INTERNAL_DECL void duk_push_lightfunc_name(duk_context *ctx, duk_tval *tv);
DUK_INTERNAL_DECL void duk_push_lightfunc_tostring(duk_context *ctx, duk_tval *tv);
-DUK_INTERNAL_DECL duk_hbufferobject *duk_push_bufferobject_raw(duk_context *ctx, duk_uint_t hobject_flags_and_class, duk_small_int_t prototype_bidx);
+#if defined(DUK_USE_BUFFEROBJECT_SUPPORT)
+DUK_INTERNAL_DECL duk_hbufobj *duk_push_bufobj_raw(duk_context *ctx, duk_uint_t hobject_flags_and_class, duk_small_int_t prototype_bidx);
+#endif
-#if !defined(DUK_USE_PARANOID_ERRORS)
-DUK_INTERNAL_DECL const char *duk_push_string_readable(duk_context *ctx, duk_idx_t index);
+DUK_INTERNAL_DECL void *duk_push_fixed_buffer_nozero(duk_context *ctx, duk_size_t len);
+DUK_INTERNAL_DECL void *duk_push_fixed_buffer_zero(duk_context *ctx, duk_size_t len);
+
+DUK_INTERNAL_DECL const char *duk_push_string_readable(duk_context *ctx, duk_idx_t idx);
DUK_INTERNAL_DECL const char *duk_push_string_tval_readable(duk_context *ctx, duk_tval *tv);
+DUK_INTERNAL_DECL const char *duk_push_string_tval_readable_error(duk_context *ctx, duk_tval *tv);
+
+/* The duk_xxx_prop_stridx_short() variants expect their arguments to be short
+ * enough to be packed into a single 32-bit integer argument. Argument limits
+ * vary per call; typically 16 bits are assigned to the signed value stack index
+ * and the stridx. In practice these work well for footprint with constant
+ * arguments and such call sites are also easiest to verify to be correct.
+ */
+
+DUK_INTERNAL_DECL duk_bool_t duk_get_prop_stridx(duk_context *ctx, duk_idx_t obj_idx, duk_small_uint_t stridx); /* [] -> [val] */
+DUK_INTERNAL_DECL duk_bool_t duk_get_prop_stridx_short_raw(duk_context *ctx, duk_uint_t packed_args);
+#define duk_get_prop_stridx_short(ctx,obj_idx,stridx) \
+ (DUK_ASSERT_EXPR((duk_int_t) (obj_idx) >= -0x8000L && (duk_int_t) (obj_idx) <= 0x7fffL), \
+ DUK_ASSERT_EXPR((duk_int_t) (stridx) >= 0 && (duk_int_t) (stridx) <= 0xffffL), \
+ duk_get_prop_stridx_short_raw((ctx), (((duk_uint_t) (obj_idx)) << 16) + ((duk_uint_t) (stridx))))
+DUK_INTERNAL_DECL duk_bool_t duk_get_prop_stridx_boolean(duk_context *ctx, duk_idx_t obj_idx, duk_small_uint_t stridx, duk_bool_t *out_has_prop); /* [] -> [] */
+
+DUK_INTERNAL_DECL duk_bool_t duk_put_prop_stridx(duk_context *ctx, duk_idx_t obj_idx, duk_small_uint_t stridx); /* [val] -> [] */
+DUK_INTERNAL_DECL duk_bool_t duk_put_prop_stridx_short_raw(duk_context *ctx, duk_uint_t packed_args);
+#define duk_put_prop_stridx_short(ctx,obj_idx,stridx) \
+ (DUK_ASSERT_EXPR((duk_int_t) (obj_idx) >= -0x8000L && (duk_int_t) (obj_idx) <= 0x7fffL), \
+ DUK_ASSERT_EXPR((duk_int_t) (stridx) >= 0 && (duk_int_t) (stridx) <= 0xffffL), \
+ duk_put_prop_stridx_short_raw((ctx), (((duk_uint_t) (obj_idx)) << 16) + ((duk_uint_t) (stridx))))
+
+DUK_INTERNAL_DECL duk_bool_t duk_del_prop_stridx(duk_context *ctx, duk_idx_t obj_idx, duk_small_uint_t stridx); /* [] -> [] */
+#if 0 /* Too few call sites to be useful. */
+DUK_INTERNAL_DECL duk_bool_t duk_del_prop_stridx_short_raw(duk_context *ctx, duk_uint_t packed_args);
+#define duk_del_prop_stridx_short(ctx,obj_idx,stridx) \
+ (DUK_ASSERT_EXPR((obj_idx) >= -0x8000L && (obj_idx) <= 0x7fffL), \
+ DUK_ASSERT_EXPR((stridx) >= 0 && (stridx) <= 0xffffL), \
+ duk_del_prop_stridx_short_raw((ctx), (((duk_uint_t) (obj_idx)) << 16) + ((duk_uint_t) (stridx))))
+#endif
+#define duk_del_prop_stridx_short(ctx,obj_idx,stridx) \
+ duk_del_prop_stridx((ctx), (obj_idx), (stridx))
+
+DUK_INTERNAL_DECL duk_bool_t duk_has_prop_stridx(duk_context *ctx, duk_idx_t obj_idx, duk_small_uint_t stridx); /* [] -> [] */
+#if 0 /* Too few call sites to be useful. */
+DUK_INTERNAL_DECL duk_bool_t duk_has_prop_stridx_short_raw(duk_context *ctx, duk_uint_t packed_args);
+#define duk_has_prop_stridx_short(ctx,obj_idx,stridx) \
+ (DUK_ASSERT_EXPR((obj_idx) >= -0x8000L && (obj_idx) <= 0x7fffL), \
+ DUK_ASSERT_EXPR((stridx) >= 0 && (stridx) <= 0xffffL), \
+ duk_has_prop_stridx_short_raw((ctx), (((duk_uint_t) (obj_idx)) << 16) + ((duk_uint_t) (stridx))))
+#endif
+#define duk_has_prop_stridx_short(ctx,obj_idx,stridx) \
+ duk_has_prop_stridx((ctx), (obj_idx), (stridx))
+
+DUK_INTERNAL_DECL void duk_xdef_prop(duk_context *ctx, duk_idx_t obj_idx, duk_small_uint_t desc_flags); /* [key val] -> [] */
+
+DUK_INTERNAL_DECL void duk_xdef_prop_index(duk_context *ctx, duk_idx_t obj_idx, duk_uarridx_t arr_idx, duk_small_uint_t desc_flags); /* [val] -> [] */
+
+/* XXX: Because stridx and desc_flags have a limited range, this call could
+ * always pack stridx and desc_flags into a single argument.
+ */
+DUK_INTERNAL_DECL void duk_xdef_prop_stridx(duk_context *ctx, duk_idx_t obj_idx, duk_small_uint_t stridx, duk_small_uint_t desc_flags); /* [val] -> [] */
+DUK_INTERNAL_DECL void duk_xdef_prop_stridx_short_raw(duk_context *ctx, duk_uint_t packed_args);
+#define duk_xdef_prop_stridx_short(ctx,obj_idx,stridx,desc_flags) \
+ (DUK_ASSERT_EXPR((duk_int_t) (obj_idx) >= -0x80L && (duk_int_t) (obj_idx) <= 0x7fL), \
+ DUK_ASSERT_EXPR((duk_int_t) (stridx) >= 0 && (duk_int_t) (stridx) <= 0xffffL), \
+ DUK_ASSERT_EXPR((duk_int_t) (desc_flags) >= 0 && (duk_int_t) (desc_flags) <= 0xffL), \
+ duk_xdef_prop_stridx_short_raw((ctx), (((duk_uint_t) (obj_idx)) << 24) + (((duk_uint_t) (stridx)) << 8) + (duk_uint_t) (desc_flags)))
+
+#define duk_xdef_prop_wec(ctx,obj_idx) \
+ duk_xdef_prop((ctx), (obj_idx), DUK_PROPDESC_FLAGS_WEC)
+#define duk_xdef_prop_index_wec(ctx,obj_idx,arr_idx) \
+ duk_xdef_prop_index((ctx), (obj_idx), (arr_idx), DUK_PROPDESC_FLAGS_WEC)
+#define duk_xdef_prop_stridx_wec(ctx,obj_idx,stridx) \
+ duk_xdef_prop_stridx((ctx), (obj_idx), (stridx), DUK_PROPDESC_FLAGS_WEC)
+#define duk_xdef_prop_stridx_short_wec(ctx,obj_idx,stridx) \
+ duk_xdef_prop_stridx_short((ctx), (obj_idx), (stridx), DUK_PROPDESC_FLAGS_WEC)
+
+DUK_INTERNAL_DECL void duk_xdef_prop_stridx_builtin(duk_context *ctx, duk_idx_t obj_idx, duk_small_uint_t stridx, duk_small_int_t builtin_idx, duk_small_uint_t desc_flags); /* [] -> [] */
+
+DUK_INTERNAL_DECL void duk_xdef_prop_stridx_thrower(duk_context *ctx, duk_idx_t obj_idx, duk_small_uint_t stridx); /* [] -> [] */
+
+DUK_INTERNAL_DECL void duk_pack(duk_context *ctx, duk_idx_t count);
+#if 0
+DUK_INTERNAL_DECL void duk_unpack(duk_context *ctx);
#endif
-DUK_INTERNAL_DECL duk_bool_t duk_get_prop_stridx(duk_context *ctx, duk_idx_t obj_index, duk_small_int_t stridx); /* [] -> [val] */
-DUK_INTERNAL_DECL duk_bool_t duk_put_prop_stridx(duk_context *ctx, duk_idx_t obj_index, duk_small_int_t stridx); /* [val] -> [] */
-DUK_INTERNAL_DECL duk_bool_t duk_del_prop_stridx(duk_context *ctx, duk_idx_t obj_index, duk_small_int_t stridx); /* [] -> [] */
-DUK_INTERNAL_DECL duk_bool_t duk_has_prop_stridx(duk_context *ctx, duk_idx_t obj_index, duk_small_int_t stridx); /* [] -> [] */
+DUK_INTERNAL_DECL void duk_require_constructor_call(duk_context *ctx);
+DUK_INTERNAL_DECL void duk_require_constructable(duk_context *ctx, duk_idx_t idx);
+DUK_INTERNAL_DECL void duk_push_symbol_descriptive_string(duk_context *ctx, duk_hstring *h);
-DUK_INTERNAL_DECL duk_bool_t duk_get_prop_stridx_boolean(duk_context *ctx, duk_idx_t obj_index, duk_small_int_t stridx, duk_bool_t *out_has_prop); /* [] -> [] */
+DUK_INTERNAL_DECL void duk_resolve_nonbound_function(duk_context *ctx);
-DUK_INTERNAL_DECL void duk_xdef_prop(duk_context *ctx, duk_idx_t obj_index, duk_small_uint_t desc_flags); /* [key val] -> [] */
-DUK_INTERNAL_DECL void duk_xdef_prop_index(duk_context *ctx, duk_idx_t obj_index, duk_uarridx_t arr_index, duk_small_uint_t desc_flags); /* [val] -> [] */
-DUK_INTERNAL_DECL void duk_xdef_prop_stridx(duk_context *ctx, duk_idx_t obj_index, duk_small_int_t stridx, duk_small_uint_t desc_flags); /* [val] -> [] */
-DUK_INTERNAL_DECL void duk_xdef_prop_stridx_builtin(duk_context *ctx, duk_idx_t obj_index, duk_small_int_t stridx, duk_small_int_t builtin_idx, duk_small_uint_t desc_flags); /* [] -> [] */
-DUK_INTERNAL_DECL void duk_xdef_prop_stridx_thrower(duk_context *ctx, duk_idx_t obj_index, duk_small_int_t stridx, duk_small_uint_t desc_flags); /* [] -> [] */
-
-/* These are macros for now, but could be separate functions to reduce code
- * footprint (check call site count before refactoring).
- */
-#define duk_xdef_prop_wec(ctx,obj_index) \
- duk_xdef_prop((ctx), (obj_index), DUK_PROPDESC_FLAGS_WEC)
-#define duk_xdef_prop_index_wec(ctx,obj_index,arr_index) \
- duk_xdef_prop_index((ctx), (obj_index), (arr_index), DUK_PROPDESC_FLAGS_WEC)
-#define duk_xdef_prop_stridx_wec(ctx,obj_index,stridx) \
- duk_xdef_prop_stridx((ctx), (obj_index), (stridx), DUK_PROPDESC_FLAGS_WEC)
+DUK_INTERNAL_DECL duk_idx_t duk_get_top_require_min(duk_context *ctx, duk_idx_t min_top);
+DUK_INTERNAL_DECL duk_idx_t duk_get_top_index_unsafe(duk_context *ctx);
+DUK_INTERNAL_DECL void duk_pop_unsafe(duk_context *ctx);
-/* Set object 'length'. */
-DUK_INTERNAL_DECL void duk_set_length(duk_context *ctx, duk_idx_t index, duk_size_t length);
+DUK_INTERNAL_DECL void duk_compact_m1(duk_context *ctx);
/* Raw internal valstack access macros: access is unsafe so call site
* must have a guarantee that the index is valid. When that is the case,
@@ -4398,9 +4985,9 @@ DUK_INTERNAL_DECL void duk_set_length(duk_context *ctx, duk_idx_t index, duk_siz
* Both 'ctx' and 'idx' are evaluted multiple times, but only for asserts.
*/
#define DUK_ASSERT_VALID_NEGIDX(ctx,idx) \
- (DUK_ASSERT_EXPR((idx) < 0), DUK_ASSERT_EXPR(duk_is_valid_index((ctx), (idx))))
+ (DUK_ASSERT_EXPR((duk_int_t) (idx) < 0), DUK_ASSERT_EXPR(duk_is_valid_index((ctx), (idx))))
#define DUK_ASSERT_VALID_POSIDX(ctx,idx) \
- (DUK_ASSERT_EXPR((idx) >= 0), DUK_ASSERT_EXPR(duk_is_valid_index((ctx), (idx))))
+ (DUK_ASSERT_EXPR((duk_int_t) (idx) >= 0), DUK_ASSERT_EXPR(duk_is_valid_index((ctx), (idx))))
#define DUK_GET_TVAL_NEGIDX(ctx,idx) \
(DUK_ASSERT_VALID_NEGIDX((ctx),(idx)), ((duk_hthread *) (ctx))->valstack_top + (idx))
#define DUK_GET_TVAL_POSIDX(ctx,idx) \
@@ -4410,8 +4997,12 @@ DUK_INTERNAL_DECL void duk_set_length(duk_context *ctx, duk_idx_t index, duk_siz
#define DUK_GET_HOBJECT_POSIDX(ctx,idx) \
(DUK_ASSERT_VALID_POSIDX((ctx),(idx)), DUK_TVAL_GET_OBJECT(((duk_hthread *) (ctx))->valstack_bottom + (idx)))
+#define DUK_GET_THIS_TVAL_PTR(thr) \
+ (DUK_ASSERT_EXPR((thr)->valstack_bottom > (thr)->valstack), \
+ (thr)->valstack_bottom - 1)
+
#endif /* DUK_API_INTERNAL_H_INCLUDED */
-#line 1 "duk_hstring.h"
+/* #include duk_hstring.h */
/*
* Heap string representation.
*
@@ -4428,7 +5019,7 @@ DUK_INTERNAL_DECL void duk_set_length(duk_context *ctx, duk_idx_t index, duk_siz
* really a practical issue.
*/
-#ifndef DUK_HSTRING_H_INCLUDED
+#if !defined(DUK_HSTRING_H_INCLUDED)
#define DUK_HSTRING_H_INCLUDED
/* Impose a maximum string length for now. Restricted artificially to
@@ -4454,15 +5045,17 @@ DUK_INTERNAL_DECL void duk_set_length(duk_context *ctx, duk_idx_t index, duk_siz
#define DUK_HSTRING_FLAG_ASCII DUK_HEAPHDR_USER_FLAG(0) /* string is ASCII, clen == blen */
#define DUK_HSTRING_FLAG_ARRIDX DUK_HEAPHDR_USER_FLAG(1) /* string is a valid array index */
-#define DUK_HSTRING_FLAG_INTERNAL DUK_HEAPHDR_USER_FLAG(2) /* string is internal */
-#define DUK_HSTRING_FLAG_RESERVED_WORD DUK_HEAPHDR_USER_FLAG(3) /* string is a reserved word (non-strict) */
-#define DUK_HSTRING_FLAG_STRICT_RESERVED_WORD DUK_HEAPHDR_USER_FLAG(4) /* string is a reserved word (strict) */
-#define DUK_HSTRING_FLAG_EVAL_OR_ARGUMENTS DUK_HEAPHDR_USER_FLAG(5) /* string is 'eval' or 'arguments' */
-#define DUK_HSTRING_FLAG_EXTDATA DUK_HEAPHDR_USER_FLAG(6) /* string data is external (duk_hstring_external) */
+#define DUK_HSTRING_FLAG_SYMBOL DUK_HEAPHDR_USER_FLAG(2) /* string is a symbol (invalid utf-8) */
+#define DUK_HSTRING_FLAG_HIDDEN DUK_HEAPHDR_USER_FLAG(3) /* string is a hidden symbol (implies symbol, Duktape 1.x internal string) */
+#define DUK_HSTRING_FLAG_RESERVED_WORD DUK_HEAPHDR_USER_FLAG(4) /* string is a reserved word (non-strict) */
+#define DUK_HSTRING_FLAG_STRICT_RESERVED_WORD DUK_HEAPHDR_USER_FLAG(5) /* string is a reserved word (strict) */
+#define DUK_HSTRING_FLAG_EVAL_OR_ARGUMENTS DUK_HEAPHDR_USER_FLAG(6) /* string is 'eval' or 'arguments' */
+#define DUK_HSTRING_FLAG_EXTDATA DUK_HEAPHDR_USER_FLAG(7) /* string data is external (duk_hstring_external) */
#define DUK_HSTRING_HAS_ASCII(x) DUK_HEAPHDR_CHECK_FLAG_BITS(&(x)->hdr, DUK_HSTRING_FLAG_ASCII)
#define DUK_HSTRING_HAS_ARRIDX(x) DUK_HEAPHDR_CHECK_FLAG_BITS(&(x)->hdr, DUK_HSTRING_FLAG_ARRIDX)
-#define DUK_HSTRING_HAS_INTERNAL(x) DUK_HEAPHDR_CHECK_FLAG_BITS(&(x)->hdr, DUK_HSTRING_FLAG_INTERNAL)
+#define DUK_HSTRING_HAS_SYMBOL(x) DUK_HEAPHDR_CHECK_FLAG_BITS(&(x)->hdr, DUK_HSTRING_FLAG_SYMBOL)
+#define DUK_HSTRING_HAS_HIDDEN(x) DUK_HEAPHDR_CHECK_FLAG_BITS(&(x)->hdr, DUK_HSTRING_FLAG_HIDDEN)
#define DUK_HSTRING_HAS_RESERVED_WORD(x) DUK_HEAPHDR_CHECK_FLAG_BITS(&(x)->hdr, DUK_HSTRING_FLAG_RESERVED_WORD)
#define DUK_HSTRING_HAS_STRICT_RESERVED_WORD(x) DUK_HEAPHDR_CHECK_FLAG_BITS(&(x)->hdr, DUK_HSTRING_FLAG_STRICT_RESERVED_WORD)
#define DUK_HSTRING_HAS_EVAL_OR_ARGUMENTS(x) DUK_HEAPHDR_CHECK_FLAG_BITS(&(x)->hdr, DUK_HSTRING_FLAG_EVAL_OR_ARGUMENTS)
@@ -4470,7 +5063,8 @@ DUK_INTERNAL_DECL void duk_set_length(duk_context *ctx, duk_idx_t index, duk_siz
#define DUK_HSTRING_SET_ASCII(x) DUK_HEAPHDR_SET_FLAG_BITS(&(x)->hdr, DUK_HSTRING_FLAG_ASCII)
#define DUK_HSTRING_SET_ARRIDX(x) DUK_HEAPHDR_SET_FLAG_BITS(&(x)->hdr, DUK_HSTRING_FLAG_ARRIDX)
-#define DUK_HSTRING_SET_INTERNAL(x) DUK_HEAPHDR_SET_FLAG_BITS(&(x)->hdr, DUK_HSTRING_FLAG_INTERNAL)
+#define DUK_HSTRING_SET_SYMBOL(x) DUK_HEAPHDR_SET_FLAG_BITS(&(x)->hdr, DUK_HSTRING_FLAG_SYMBOL)
+#define DUK_HSTRING_SET_HIDDEN(x) DUK_HEAPHDR_SET_FLAG_BITS(&(x)->hdr, DUK_HSTRING_FLAG_HIDDEN)
#define DUK_HSTRING_SET_RESERVED_WORD(x) DUK_HEAPHDR_SET_FLAG_BITS(&(x)->hdr, DUK_HSTRING_FLAG_RESERVED_WORD)
#define DUK_HSTRING_SET_STRICT_RESERVED_WORD(x) DUK_HEAPHDR_SET_FLAG_BITS(&(x)->hdr, DUK_HSTRING_FLAG_STRICT_RESERVED_WORD)
#define DUK_HSTRING_SET_EVAL_OR_ARGUMENTS(x) DUK_HEAPHDR_SET_FLAG_BITS(&(x)->hdr, DUK_HSTRING_FLAG_EVAL_OR_ARGUMENTS)
@@ -4478,7 +5072,8 @@ DUK_INTERNAL_DECL void duk_set_length(duk_context *ctx, duk_idx_t index, duk_siz
#define DUK_HSTRING_CLEAR_ASCII(x) DUK_HEAPHDR_CLEAR_FLAG_BITS(&(x)->hdr, DUK_HSTRING_FLAG_ASCII)
#define DUK_HSTRING_CLEAR_ARRIDX(x) DUK_HEAPHDR_CLEAR_FLAG_BITS(&(x)->hdr, DUK_HSTRING_FLAG_ARRIDX)
-#define DUK_HSTRING_CLEAR_INTERNAL(x) DUK_HEAPHDR_CLEAR_FLAG_BITS(&(x)->hdr, DUK_HSTRING_FLAG_INTERNAL)
+#define DUK_HSTRING_CLEAR_SYMBOL(x) DUK_HEAPHDR_CLEAR_FLAG_BITS(&(x)->hdr, DUK_HSTRING_FLAG_SYMBOL)
+#define DUK_HSTRING_CLEAR_HIDDEN(x) DUK_HEAPHDR_CLEAR_FLAG_BITS(&(x)->hdr, DUK_HSTRING_FLAG_HIDDEN)
#define DUK_HSTRING_CLEAR_RESERVED_WORD(x) DUK_HEAPHDR_CLEAR_FLAG_BITS(&(x)->hdr, DUK_HSTRING_FLAG_RESERVED_WORD)
#define DUK_HSTRING_CLEAR_STRICT_RESERVED_WORD(x) DUK_HEAPHDR_CLEAR_FLAG_BITS(&(x)->hdr, DUK_HSTRING_FLAG_STRICT_RESERVED_WORD)
#define DUK_HSTRING_CLEAR_EVAL_OR_ARGUMENTS(x) DUK_HEAPHDR_CLEAR_FLAG_BITS(&(x)->hdr, DUK_HSTRING_FLAG_EVAL_OR_ARGUMENTS)
@@ -4548,15 +5143,20 @@ DUK_INTERNAL_DECL void duk_set_length(duk_context *ctx, duk_idx_t index, duk_siz
/* marker value; in E5 2^32-1 is not a valid array index (2^32-2 is highest valid) */
#define DUK_HSTRING_NO_ARRAY_INDEX (0xffffffffUL)
-/* get array index related to string (or return DUK_HSTRING_NO_ARRAY_INDEX);
+#if defined(DUK_USE_HSTRING_ARRIDX)
+#define DUK_HSTRING_GET_ARRIDX_FAST(h) ((h)->arridx)
+#define DUK_HSTRING_GET_ARRIDX_SLOW(h) ((h)->arridx)
+#else
+/* Get array index related to string (or return DUK_HSTRING_NO_ARRAY_INDEX);
* avoids helper call if string has no array index value.
*/
#define DUK_HSTRING_GET_ARRIDX_FAST(h) \
(DUK_HSTRING_HAS_ARRIDX((h)) ? duk_js_to_arrayindex_string_helper((h)) : DUK_HSTRING_NO_ARRAY_INDEX)
-/* slower but more compact variant */
+/* Slower but more compact variant. */
#define DUK_HSTRING_GET_ARRIDX_SLOW(h) \
(duk_js_to_arrayindex_string_helper((h)))
+#endif
/*
* Misc
@@ -4581,6 +5181,11 @@ struct duk_hstring {
duk_uint32_t hash;
#endif
+ /* precomputed array index (or DUK_HSTRING_NO_ARRAY_INDEX) */
+#if defined(DUK_USE_HSTRING_ARRIDX)
+ duk_uarridx_t arridx;
+#endif
+
/* length in bytes (not counting NUL term) */
#if defined(DUK_USE_STRLEN16)
/* placed in duk_heaphdr_string */
@@ -4624,14 +5229,14 @@ struct duk_hstring_external {
* Prototypes
*/
-DUK_INTERNAL_DECL duk_ucodepoint_t duk_hstring_char_code_at_raw(duk_hthread *thr, duk_hstring *h, duk_uint_t pos);
+DUK_INTERNAL_DECL duk_ucodepoint_t duk_hstring_char_code_at_raw(duk_hthread *thr, duk_hstring *h, duk_uint_t pos, duk_bool_t surrogate_aware);
#if !defined(DUK_USE_HSTRING_CLEN)
DUK_INTERNAL_DECL duk_size_t duk_hstring_get_charlen(duk_hstring *h);
#endif
#endif /* DUK_HSTRING_H_INCLUDED */
-#line 1 "duk_hobject.h"
+/* #include duk_hobject.h */
/*
* Heap object representation.
*
@@ -4663,23 +5268,27 @@ DUK_INTERNAL_DECL duk_size_t duk_hstring_get_charlen(duk_hstring *h);
* parts are resized together, and makes property access a bit complicated.
*/
-#ifndef DUK_HOBJECT_H_INCLUDED
+#if !defined(DUK_HOBJECT_H_INCLUDED)
#define DUK_HOBJECT_H_INCLUDED
-/* Object flag. There are currently 26 flag bits available. Make sure
+/* Object flag. There are currently 25 flag bits available. Make sure
* this stays in sync with debugger object inspection code.
*/
+
+/* XXX: some flags are object subtype specific (e.g. common to all function
+ * subtypes, duk_harray, etc) and could be reused for different subtypes.
+ */
#define DUK_HOBJECT_FLAG_EXTENSIBLE DUK_HEAPHDR_USER_FLAG(0) /* object is extensible */
#define DUK_HOBJECT_FLAG_CONSTRUCTABLE DUK_HEAPHDR_USER_FLAG(1) /* object is constructable */
-#define DUK_HOBJECT_FLAG_BOUND DUK_HEAPHDR_USER_FLAG(2) /* object established using Function.prototype.bind() */
-#define DUK_HOBJECT_FLAG_COMPILEDFUNCTION DUK_HEAPHDR_USER_FLAG(4) /* object is a compiled function (duk_hcompiledfunction) */
-#define DUK_HOBJECT_FLAG_NATIVEFUNCTION DUK_HEAPHDR_USER_FLAG(5) /* object is a native function (duk_hnativefunction) */
-#define DUK_HOBJECT_FLAG_BUFFEROBJECT DUK_HEAPHDR_USER_FLAG(6) /* object is a buffer object (duk_hbufferobject) (always exotic) */
+#define DUK_HOBJECT_FLAG_BOUNDFUNC DUK_HEAPHDR_USER_FLAG(2) /* object established using Function.prototype.bind() */
+#define DUK_HOBJECT_FLAG_COMPFUNC DUK_HEAPHDR_USER_FLAG(4) /* object is a compiled function (duk_hcompfunc) */
+#define DUK_HOBJECT_FLAG_NATFUNC DUK_HEAPHDR_USER_FLAG(5) /* object is a native function (duk_hnatfunc) */
+#define DUK_HOBJECT_FLAG_BUFOBJ DUK_HEAPHDR_USER_FLAG(6) /* object is a buffer object (duk_hbufobj) (always exotic) */
#define DUK_HOBJECT_FLAG_THREAD DUK_HEAPHDR_USER_FLAG(7) /* object is a thread (duk_hthread) */
#define DUK_HOBJECT_FLAG_ARRAY_PART DUK_HEAPHDR_USER_FLAG(8) /* object has an array part (a_size may still be 0) */
#define DUK_HOBJECT_FLAG_STRICT DUK_HEAPHDR_USER_FLAG(9) /* function: function object is strict */
#define DUK_HOBJECT_FLAG_NOTAIL DUK_HEAPHDR_USER_FLAG(10) /* function: function must not be tail called */
-#define DUK_HOBJECT_FLAG_NEWENV DUK_HEAPHDR_USER_FLAG(11) /* function: create new environment when called (see duk_hcompiledfunction) */
+#define DUK_HOBJECT_FLAG_NEWENV DUK_HEAPHDR_USER_FLAG(11) /* function: create new environment when called (see duk_hcompfunc) */
#define DUK_HOBJECT_FLAG_NAMEBINDING DUK_HEAPHDR_USER_FLAG(12) /* function: create binding for func name (function templates only, used for named function expressions) */
#define DUK_HOBJECT_FLAG_CREATEARGS DUK_HEAPHDR_USER_FLAG(13) /* function: create an arguments object on function call */
#define DUK_HOBJECT_FLAG_ENVRECCLOSED DUK_HEAPHDR_USER_FLAG(14) /* envrec: (declarative) record is closed */
@@ -4708,26 +5317,27 @@ DUK_INTERNAL_DECL duk_size_t duk_hstring_get_charlen(duk_hstring *h);
#define DUK_HOBJECT_CLASS_AS_FLAGS(v) (((duk_uint_t) (v)) << DUK_HOBJECT_FLAG_CLASS_BASE)
/* E5 Section 8.6.2 + custom classes */
-#define DUK_HOBJECT_CLASS_UNUSED 0
-#define DUK_HOBJECT_CLASS_ARGUMENTS 1
+#define DUK_HOBJECT_CLASS_NONE 0
+#define DUK_HOBJECT_CLASS_OBJECT 1
#define DUK_HOBJECT_CLASS_ARRAY 2
-#define DUK_HOBJECT_CLASS_BOOLEAN 3
-#define DUK_HOBJECT_CLASS_DATE 4
-#define DUK_HOBJECT_CLASS_ERROR 5
-#define DUK_HOBJECT_CLASS_FUNCTION 6
-#define DUK_HOBJECT_CLASS_JSON 7
-#define DUK_HOBJECT_CLASS_MATH 8
-#define DUK_HOBJECT_CLASS_NUMBER 9
-#define DUK_HOBJECT_CLASS_OBJECT 10
+#define DUK_HOBJECT_CLASS_FUNCTION 3
+#define DUK_HOBJECT_CLASS_ARGUMENTS 4
+#define DUK_HOBJECT_CLASS_BOOLEAN 5
+#define DUK_HOBJECT_CLASS_DATE 6
+#define DUK_HOBJECT_CLASS_ERROR 7
+#define DUK_HOBJECT_CLASS_JSON 8
+#define DUK_HOBJECT_CLASS_MATH 9
+#define DUK_HOBJECT_CLASS_NUMBER 10
#define DUK_HOBJECT_CLASS_REGEXP 11
#define DUK_HOBJECT_CLASS_STRING 12
#define DUK_HOBJECT_CLASS_GLOBAL 13
-#define DUK_HOBJECT_CLASS_OBJENV 14 /* custom */
-#define DUK_HOBJECT_CLASS_DECENV 15 /* custom */
-#define DUK_HOBJECT_CLASS_BUFFER 16 /* custom; implies DUK_HOBJECT_IS_BUFFEROBJECT */
+#define DUK_HOBJECT_CLASS_SYMBOL 14
+#define DUK_HOBJECT_CLASS_OBJENV 15 /* custom */
+#define DUK_HOBJECT_CLASS_DECENV 16 /* custom */
#define DUK_HOBJECT_CLASS_POINTER 17 /* custom */
#define DUK_HOBJECT_CLASS_THREAD 18 /* custom; implies DUK_HOBJECT_IS_THREAD */
-#define DUK_HOBJECT_CLASS_ARRAYBUFFER 19 /* implies DUK_HOBJECT_IS_BUFFEROBJECT */
+#define DUK_HOBJECT_CLASS_BUFOBJ_MIN 19
+#define DUK_HOBJECT_CLASS_ARRAYBUFFER 19 /* implies DUK_HOBJECT_IS_BUFOBJ */
#define DUK_HOBJECT_CLASS_DATAVIEW 20
#define DUK_HOBJECT_CLASS_INT8ARRAY 21
#define DUK_HOBJECT_CLASS_UINT8ARRAY 22
@@ -4738,11 +5348,12 @@ DUK_INTERNAL_DECL duk_size_t duk_hstring_get_charlen(duk_hstring *h);
#define DUK_HOBJECT_CLASS_UINT32ARRAY 27
#define DUK_HOBJECT_CLASS_FLOAT32ARRAY 28
#define DUK_HOBJECT_CLASS_FLOAT64ARRAY 29
+#define DUK_HOBJECT_CLASS_BUFOBJ_MAX 29
#define DUK_HOBJECT_CLASS_MAX 29
-/* class masks */
+/* Class masks. */
#define DUK_HOBJECT_CMASK_ALL ((1UL << (DUK_HOBJECT_CLASS_MAX + 1)) - 1UL)
-#define DUK_HOBJECT_CMASK_UNUSED (1UL << DUK_HOBJECT_CLASS_UNUSED)
+#define DUK_HOBJECT_CMASK_NONE (1UL << DUK_HOBJECT_CLASS_NONE)
#define DUK_HOBJECT_CMASK_ARGUMENTS (1UL << DUK_HOBJECT_CLASS_ARGUMENTS)
#define DUK_HOBJECT_CMASK_ARRAY (1UL << DUK_HOBJECT_CLASS_ARRAY)
#define DUK_HOBJECT_CMASK_BOOLEAN (1UL << DUK_HOBJECT_CLASS_BOOLEAN)
@@ -4756,9 +5367,9 @@ DUK_INTERNAL_DECL duk_size_t duk_hstring_get_charlen(duk_hstring *h);
#define DUK_HOBJECT_CMASK_REGEXP (1UL << DUK_HOBJECT_CLASS_REGEXP)
#define DUK_HOBJECT_CMASK_STRING (1UL << DUK_HOBJECT_CLASS_STRING)
#define DUK_HOBJECT_CMASK_GLOBAL (1UL << DUK_HOBJECT_CLASS_GLOBAL)
+#define DUK_HOBJECT_CMASK_SYMBOL (1UL << DUK_HOBJECT_CLASS_SYMBOL)
#define DUK_HOBJECT_CMASK_OBJENV (1UL << DUK_HOBJECT_CLASS_OBJENV)
#define DUK_HOBJECT_CMASK_DECENV (1UL << DUK_HOBJECT_CLASS_DECENV)
-#define DUK_HOBJECT_CMASK_BUFFER (1UL << DUK_HOBJECT_CLASS_BUFFER)
#define DUK_HOBJECT_CMASK_POINTER (1UL << DUK_HOBJECT_CLASS_POINTER)
#define DUK_HOBJECT_CMASK_THREAD (1UL << DUK_HOBJECT_CLASS_THREAD)
#define DUK_HOBJECT_CMASK_ARRAYBUFFER (1UL << DUK_HOBJECT_CLASS_ARRAYBUFFER)
@@ -4773,9 +5384,8 @@ DUK_INTERNAL_DECL duk_size_t duk_hstring_get_charlen(duk_hstring *h);
#define DUK_HOBJECT_CMASK_FLOAT32ARRAY (1UL << DUK_HOBJECT_CLASS_FLOAT32ARRAY)
#define DUK_HOBJECT_CMASK_FLOAT64ARRAY (1UL << DUK_HOBJECT_CLASS_FLOAT64ARRAY)
-#define DUK_HOBJECT_CMASK_ALL_BUFFEROBJECTS \
- (DUK_HOBJECT_CMASK_BUFFER | \
- DUK_HOBJECT_CMASK_ARRAYBUFFER | \
+#define DUK_HOBJECT_CMASK_ALL_BUFOBJS \
+ (DUK_HOBJECT_CMASK_ARRAYBUFFER | \
DUK_HOBJECT_CMASK_DATAVIEW | \
DUK_HOBJECT_CMASK_INT8ARRAY | \
DUK_HOBJECT_CMASK_UINT8ARRAY | \
@@ -4790,42 +5400,49 @@ DUK_INTERNAL_DECL duk_size_t duk_hstring_get_charlen(duk_hstring *h);
#define DUK_HOBJECT_IS_OBJENV(h) (DUK_HOBJECT_GET_CLASS_NUMBER((h)) == DUK_HOBJECT_CLASS_OBJENV)
#define DUK_HOBJECT_IS_DECENV(h) (DUK_HOBJECT_GET_CLASS_NUMBER((h)) == DUK_HOBJECT_CLASS_DECENV)
#define DUK_HOBJECT_IS_ENV(h) (DUK_HOBJECT_IS_OBJENV((h)) || DUK_HOBJECT_IS_DECENV((h)))
-#define DUK_HOBJECT_IS_ARRAY(h) (DUK_HOBJECT_GET_CLASS_NUMBER((h)) == DUK_HOBJECT_CLASS_ARRAY)
-#define DUK_HOBJECT_IS_COMPILEDFUNCTION(h) DUK_HEAPHDR_CHECK_FLAG_BITS(&(h)->hdr, DUK_HOBJECT_FLAG_COMPILEDFUNCTION)
-#define DUK_HOBJECT_IS_NATIVEFUNCTION(h) DUK_HEAPHDR_CHECK_FLAG_BITS(&(h)->hdr, DUK_HOBJECT_FLAG_NATIVEFUNCTION)
-#define DUK_HOBJECT_IS_BUFFEROBJECT(h) DUK_HEAPHDR_CHECK_FLAG_BITS(&(h)->hdr, DUK_HOBJECT_FLAG_BUFFEROBJECT)
+#define DUK_HOBJECT_IS_ARRAY(h) DUK_HOBJECT_HAS_EXOTIC_ARRAY((h)) /* Rely on class Array <=> exotic Array */
+#define DUK_HOBJECT_IS_BOUNDFUNC(h) DUK_HEAPHDR_CHECK_FLAG_BITS(&(h)->hdr, DUK_HOBJECT_FLAG_BOUNDFUNC)
+#define DUK_HOBJECT_IS_COMPFUNC(h) DUK_HEAPHDR_CHECK_FLAG_BITS(&(h)->hdr, DUK_HOBJECT_FLAG_COMPFUNC)
+#define DUK_HOBJECT_IS_NATFUNC(h) DUK_HEAPHDR_CHECK_FLAG_BITS(&(h)->hdr, DUK_HOBJECT_FLAG_NATFUNC)
+#define DUK_HOBJECT_IS_BUFOBJ(h) DUK_HEAPHDR_CHECK_FLAG_BITS(&(h)->hdr, DUK_HOBJECT_FLAG_BUFOBJ)
#define DUK_HOBJECT_IS_THREAD(h) DUK_HEAPHDR_CHECK_FLAG_BITS(&(h)->hdr, DUK_HOBJECT_FLAG_THREAD)
#define DUK_HOBJECT_IS_NONBOUND_FUNCTION(h) DUK_HEAPHDR_CHECK_FLAG_BITS(&(h)->hdr, \
- DUK_HOBJECT_FLAG_COMPILEDFUNCTION | \
- DUK_HOBJECT_FLAG_NATIVEFUNCTION)
+ DUK_HOBJECT_FLAG_COMPFUNC | \
+ DUK_HOBJECT_FLAG_NATFUNC)
#define DUK_HOBJECT_IS_FUNCTION(h) DUK_HEAPHDR_CHECK_FLAG_BITS(&(h)->hdr, \
- DUK_HOBJECT_FLAG_BOUND | \
- DUK_HOBJECT_FLAG_COMPILEDFUNCTION | \
- DUK_HOBJECT_FLAG_NATIVEFUNCTION)
+ DUK_HOBJECT_FLAG_BOUNDFUNC | \
+ DUK_HOBJECT_FLAG_COMPFUNC | \
+ DUK_HOBJECT_FLAG_NATFUNC)
#define DUK_HOBJECT_IS_CALLABLE(h) DUK_HEAPHDR_CHECK_FLAG_BITS(&(h)->hdr, \
- DUK_HOBJECT_FLAG_BOUND | \
- DUK_HOBJECT_FLAG_COMPILEDFUNCTION | \
- DUK_HOBJECT_FLAG_NATIVEFUNCTION)
+ DUK_HOBJECT_FLAG_BOUNDFUNC | \
+ DUK_HOBJECT_FLAG_COMPFUNC | \
+ DUK_HOBJECT_FLAG_NATFUNC)
-/* object has any exotic behavior(s) */
+/* Object has any exotic behavior(s). */
#define DUK_HOBJECT_EXOTIC_BEHAVIOR_FLAGS (DUK_HOBJECT_FLAG_EXOTIC_ARRAY | \
DUK_HOBJECT_FLAG_EXOTIC_ARGUMENTS | \
DUK_HOBJECT_FLAG_EXOTIC_STRINGOBJ | \
DUK_HOBJECT_FLAG_EXOTIC_DUKFUNC | \
- DUK_HOBJECT_FLAG_BUFFEROBJECT | \
+ DUK_HOBJECT_FLAG_BUFOBJ | \
DUK_HOBJECT_FLAG_EXOTIC_PROXYOBJ)
-
#define DUK_HOBJECT_HAS_EXOTIC_BEHAVIOR(h) DUK_HEAPHDR_CHECK_FLAG_BITS(&(h)->hdr, DUK_HOBJECT_EXOTIC_BEHAVIOR_FLAGS)
+/* Object has any virtual properties (not counting Proxy behavior). */
+#define DUK_HOBJECT_VIRTUAL_PROPERTY_FLAGS (DUK_HOBJECT_FLAG_EXOTIC_ARRAY | \
+ DUK_HOBJECT_FLAG_EXOTIC_STRINGOBJ | \
+ DUK_HOBJECT_FLAG_EXOTIC_DUKFUNC | \
+ DUK_HOBJECT_FLAG_BUFOBJ)
+#define DUK_HOBJECT_HAS_VIRTUAL_PROPERTIES(h) DUK_HEAPHDR_CHECK_FLAG_BITS(&(h)->hdr, DUK_HOBJECT_VIRTUAL_PROPERTY_FLAGS)
+
#define DUK_HOBJECT_HAS_EXTENSIBLE(h) DUK_HEAPHDR_CHECK_FLAG_BITS(&(h)->hdr, DUK_HOBJECT_FLAG_EXTENSIBLE)
#define DUK_HOBJECT_HAS_CONSTRUCTABLE(h) DUK_HEAPHDR_CHECK_FLAG_BITS(&(h)->hdr, DUK_HOBJECT_FLAG_CONSTRUCTABLE)
-#define DUK_HOBJECT_HAS_BOUND(h) DUK_HEAPHDR_CHECK_FLAG_BITS(&(h)->hdr, DUK_HOBJECT_FLAG_BOUND)
-#define DUK_HOBJECT_HAS_COMPILEDFUNCTION(h) DUK_HEAPHDR_CHECK_FLAG_BITS(&(h)->hdr, DUK_HOBJECT_FLAG_COMPILEDFUNCTION)
-#define DUK_HOBJECT_HAS_NATIVEFUNCTION(h) DUK_HEAPHDR_CHECK_FLAG_BITS(&(h)->hdr, DUK_HOBJECT_FLAG_NATIVEFUNCTION)
-#define DUK_HOBJECT_HAS_BUFFEROBJECT(h) DUK_HEAPHDR_CHECK_FLAG_BITS(&(h)->hdr, DUK_HOBJECT_FLAG_BUFFEROBJECT)
+#define DUK_HOBJECT_HAS_BOUNDFUNC(h) DUK_HEAPHDR_CHECK_FLAG_BITS(&(h)->hdr, DUK_HOBJECT_FLAG_BOUNDFUNC)
+#define DUK_HOBJECT_HAS_COMPFUNC(h) DUK_HEAPHDR_CHECK_FLAG_BITS(&(h)->hdr, DUK_HOBJECT_FLAG_COMPFUNC)
+#define DUK_HOBJECT_HAS_NATFUNC(h) DUK_HEAPHDR_CHECK_FLAG_BITS(&(h)->hdr, DUK_HOBJECT_FLAG_NATFUNC)
+#define DUK_HOBJECT_HAS_BUFOBJ(h) DUK_HEAPHDR_CHECK_FLAG_BITS(&(h)->hdr, DUK_HOBJECT_FLAG_BUFOBJ)
#define DUK_HOBJECT_HAS_THREAD(h) DUK_HEAPHDR_CHECK_FLAG_BITS(&(h)->hdr, DUK_HOBJECT_FLAG_THREAD)
#define DUK_HOBJECT_HAS_ARRAY_PART(h) DUK_HEAPHDR_CHECK_FLAG_BITS(&(h)->hdr, DUK_HOBJECT_FLAG_ARRAY_PART)
#define DUK_HOBJECT_HAS_STRICT(h) DUK_HEAPHDR_CHECK_FLAG_BITS(&(h)->hdr, DUK_HOBJECT_FLAG_STRICT)
@@ -4842,10 +5459,10 @@ DUK_INTERNAL_DECL duk_size_t duk_hstring_get_charlen(duk_hstring *h);
#define DUK_HOBJECT_SET_EXTENSIBLE(h) DUK_HEAPHDR_SET_FLAG_BITS(&(h)->hdr, DUK_HOBJECT_FLAG_EXTENSIBLE)
#define DUK_HOBJECT_SET_CONSTRUCTABLE(h) DUK_HEAPHDR_SET_FLAG_BITS(&(h)->hdr, DUK_HOBJECT_FLAG_CONSTRUCTABLE)
-#define DUK_HOBJECT_SET_BOUND(h) DUK_HEAPHDR_SET_FLAG_BITS(&(h)->hdr, DUK_HOBJECT_FLAG_BOUND)
-#define DUK_HOBJECT_SET_COMPILEDFUNCTION(h) DUK_HEAPHDR_SET_FLAG_BITS(&(h)->hdr, DUK_HOBJECT_FLAG_COMPILEDFUNCTION)
-#define DUK_HOBJECT_SET_NATIVEFUNCTION(h) DUK_HEAPHDR_SET_FLAG_BITS(&(h)->hdr, DUK_HOBJECT_FLAG_NATIVEFUNCTION)
-#define DUK_HOBJECT_SET_BUFFEROBJECT(h) DUK_HEAPHDR_SET_FLAG_BITS(&(h)->hdr, DUK_HOBJECT_FLAG_BUFFEROBJECT)
+#define DUK_HOBJECT_SET_BOUNDFUNC(h) DUK_HEAPHDR_SET_FLAG_BITS(&(h)->hdr, DUK_HOBJECT_FLAG_BOUNDFUNC)
+#define DUK_HOBJECT_SET_COMPFUNC(h) DUK_HEAPHDR_SET_FLAG_BITS(&(h)->hdr, DUK_HOBJECT_FLAG_COMPFUNC)
+#define DUK_HOBJECT_SET_NATFUNC(h) DUK_HEAPHDR_SET_FLAG_BITS(&(h)->hdr, DUK_HOBJECT_FLAG_NATFUNC)
+#define DUK_HOBJECT_SET_BUFOBJ(h) DUK_HEAPHDR_SET_FLAG_BITS(&(h)->hdr, DUK_HOBJECT_FLAG_BUFOBJ)
#define DUK_HOBJECT_SET_THREAD(h) DUK_HEAPHDR_SET_FLAG_BITS(&(h)->hdr, DUK_HOBJECT_FLAG_THREAD)
#define DUK_HOBJECT_SET_ARRAY_PART(h) DUK_HEAPHDR_SET_FLAG_BITS(&(h)->hdr, DUK_HOBJECT_FLAG_ARRAY_PART)
#define DUK_HOBJECT_SET_STRICT(h) DUK_HEAPHDR_SET_FLAG_BITS(&(h)->hdr, DUK_HOBJECT_FLAG_STRICT)
@@ -4862,10 +5479,10 @@ DUK_INTERNAL_DECL duk_size_t duk_hstring_get_charlen(duk_hstring *h);
#define DUK_HOBJECT_CLEAR_EXTENSIBLE(h) DUK_HEAPHDR_CLEAR_FLAG_BITS(&(h)->hdr, DUK_HOBJECT_FLAG_EXTENSIBLE)
#define DUK_HOBJECT_CLEAR_CONSTRUCTABLE(h) DUK_HEAPHDR_CLEAR_FLAG_BITS(&(h)->hdr, DUK_HOBJECT_FLAG_CONSTRUCTABLE)
-#define DUK_HOBJECT_CLEAR_BOUND(h) DUK_HEAPHDR_CLEAR_FLAG_BITS(&(h)->hdr, DUK_HOBJECT_FLAG_BOUND)
-#define DUK_HOBJECT_CLEAR_COMPILEDFUNCTION(h) DUK_HEAPHDR_CLEAR_FLAG_BITS(&(h)->hdr, DUK_HOBJECT_FLAG_COMPILEDFUNCTION)
-#define DUK_HOBJECT_CLEAR_NATIVEFUNCTION(h) DUK_HEAPHDR_CLEAR_FLAG_BITS(&(h)->hdr, DUK_HOBJECT_FLAG_NATIVEFUNCTION)
-#define DUK_HOBJECT_CLEAR_BUFFEROBJECT(h) DUK_HEAPHDR_CLEAR_FLAG_BITS(&(h)->hdr, DUK_HOBJECT_FLAG_BUFFEROBJECT)
+#define DUK_HOBJECT_CLEAR_BOUNDFUNC(h) DUK_HEAPHDR_CLEAR_FLAG_BITS(&(h)->hdr, DUK_HOBJECT_FLAG_BOUNDFUNC)
+#define DUK_HOBJECT_CLEAR_COMPFUNC(h) DUK_HEAPHDR_CLEAR_FLAG_BITS(&(h)->hdr, DUK_HOBJECT_FLAG_COMPFUNC)
+#define DUK_HOBJECT_CLEAR_NATFUNC(h) DUK_HEAPHDR_CLEAR_FLAG_BITS(&(h)->hdr, DUK_HOBJECT_FLAG_NATFUNC)
+#define DUK_HOBJECT_CLEAR_BUFOBJ(h) DUK_HEAPHDR_CLEAR_FLAG_BITS(&(h)->hdr, DUK_HOBJECT_FLAG_BUFOBJ)
#define DUK_HOBJECT_CLEAR_THREAD(h) DUK_HEAPHDR_CLEAR_FLAG_BITS(&(h)->hdr, DUK_HOBJECT_FLAG_THREAD)
#define DUK_HOBJECT_CLEAR_ARRAY_PART(h) DUK_HEAPHDR_CLEAR_FLAG_BITS(&(h)->hdr, DUK_HOBJECT_FLAG_ARRAY_PART)
#define DUK_HOBJECT_CLEAR_STRICT(h) DUK_HEAPHDR_CLEAR_FLAG_BITS(&(h)->hdr, DUK_HOBJECT_FLAG_STRICT)
@@ -4880,7 +5497,9 @@ DUK_INTERNAL_DECL duk_size_t duk_hstring_get_charlen(duk_hstring *h);
#define DUK_HOBJECT_CLEAR_EXOTIC_DUKFUNC(h) DUK_HEAPHDR_CLEAR_FLAG_BITS(&(h)->hdr, DUK_HOBJECT_FLAG_EXOTIC_DUKFUNC)
#define DUK_HOBJECT_CLEAR_EXOTIC_PROXYOBJ(h) DUK_HEAPHDR_CLEAR_FLAG_BITS(&(h)->hdr, DUK_HOBJECT_FLAG_EXOTIC_PROXYOBJ)
-/* flags used for property attributes in duk_propdesc and packed flags */
+/* Flags used for property attributes in duk_propdesc and packed flags.
+ * Must fit into 8 bits.
+ */
#define DUK_PROPDESC_FLAG_WRITABLE (1 << 0) /* E5 Section 8.6.1 */
#define DUK_PROPDESC_FLAG_ENUMERABLE (1 << 1) /* E5 Section 8.6.1 */
#define DUK_PROPDESC_FLAG_CONFIGURABLE (1 << 2) /* E5 Section 8.6.1 */
@@ -4893,12 +5512,12 @@ DUK_INTERNAL_DECL duk_size_t duk_hstring_get_charlen(duk_hstring *h);
DUK_PROPDESC_FLAG_CONFIGURABLE | \
DUK_PROPDESC_FLAG_ACCESSOR)
-/* additional flags which are passed in the same flags argument as property
+/* Additional flags which are passed in the same flags argument as property
* flags but are not stored in object properties.
*/
#define DUK_PROPDESC_FLAG_NO_OVERWRITE (1 << 4) /* internal define property: skip write silently if exists */
-/* convenience */
+/* Convenience defines for property attributes. */
#define DUK_PROPDESC_FLAGS_NONE 0
#define DUK_PROPDESC_FLAGS_W (DUK_PROPDESC_FLAG_WRITABLE)
#define DUK_PROPDESC_FLAGS_E (DUK_PROPDESC_FLAG_ENUMERABLE)
@@ -4910,7 +5529,7 @@ DUK_INTERNAL_DECL duk_size_t duk_hstring_get_charlen(duk_hstring *h);
DUK_PROPDESC_FLAG_ENUMERABLE | \
DUK_PROPDESC_FLAG_CONFIGURABLE)
-/* flags for duk_hobject_get_own_propdesc() and variants */
+/* Flags for duk_hobject_get_own_propdesc() and variants. */
#define DUK_GETDESC_FLAG_PUSH_VALUE (1 << 0) /* push value to stack */
#define DUK_GETDESC_FLAG_IGNORE_PROTOLOOP (1 << 1) /* don't throw for prototype loop */
@@ -4924,9 +5543,8 @@ DUK_INTERNAL_DECL duk_size_t duk_hstring_get_charlen(duk_hstring *h);
DUK_ASSERT((h) != NULL); \
DUK_ASSERT(!DUK_HOBJECT_IS_CALLABLE((h)) || \
DUK_HOBJECT_GET_CLASS_NUMBER((h)) == DUK_HOBJECT_CLASS_FUNCTION); \
- DUK_ASSERT(!DUK_HOBJECT_IS_BUFFEROBJECT((h)) || \
- (DUK_HOBJECT_GET_CLASS_NUMBER((h)) == DUK_HOBJECT_CLASS_BUFFER || \
- DUK_HOBJECT_GET_CLASS_NUMBER((h)) == DUK_HOBJECT_CLASS_ARRAYBUFFER || \
+ DUK_ASSERT(!DUK_HOBJECT_IS_BUFOBJ((h)) || \
+ (DUK_HOBJECT_GET_CLASS_NUMBER((h)) == DUK_HOBJECT_CLASS_ARRAYBUFFER || \
DUK_HOBJECT_GET_CLASS_NUMBER((h)) == DUK_HOBJECT_CLASS_DATAVIEW || \
DUK_HOBJECT_GET_CLASS_NUMBER((h)) == DUK_HOBJECT_CLASS_INT8ARRAY || \
DUK_HOBJECT_GET_CLASS_NUMBER((h)) == DUK_HOBJECT_CLASS_UINT8ARRAY || \
@@ -4937,6 +5555,9 @@ DUK_INTERNAL_DECL duk_size_t duk_hstring_get_charlen(duk_hstring *h);
DUK_HOBJECT_GET_CLASS_NUMBER((h)) == DUK_HOBJECT_CLASS_UINT32ARRAY || \
DUK_HOBJECT_GET_CLASS_NUMBER((h)) == DUK_HOBJECT_CLASS_FLOAT32ARRAY || \
DUK_HOBJECT_GET_CLASS_NUMBER((h)) == DUK_HOBJECT_CLASS_FLOAT64ARRAY)); \
+ /* Object is an Array <=> object has exotic array behavior */ \
+ DUK_ASSERT((DUK_HOBJECT_GET_CLASS_NUMBER((h)) == DUK_HOBJECT_CLASS_ARRAY && DUK_HOBJECT_HAS_EXOTIC_ARRAY((h))) || \
+ (DUK_HOBJECT_GET_CLASS_NUMBER((h)) != DUK_HOBJECT_CLASS_ARRAY && !DUK_HOBJECT_HAS_EXOTIC_ARRAY((h)))); \
} while (0)
/*
@@ -5418,7 +6039,7 @@ struct duk_hobject {
#if defined(DUK_USE_HEAPPTR16)
/* Located in duk_heaphdr h_extra16. Subclasses of duk_hobject (like
- * duk_hcompiledfunction) are not free to use h_extra16 for this reason.
+ * duk_hcompfunc) are not free to use h_extra16 for this reason.
*/
#else
duk_uint8_t *props;
@@ -5465,11 +6086,22 @@ DUK_INTERNAL_DECL duk_hobject *duk_hobject_alloc(duk_heap *heap, duk_uint_t hobj
#if 0 /* unused */
DUK_INTERNAL_DECL duk_hobject *duk_hobject_alloc_checked(duk_hthread *thr, duk_uint_t hobject_flags);
#endif
-DUK_INTERNAL_DECL duk_hcompiledfunction *duk_hcompiledfunction_alloc(duk_heap *heap, duk_uint_t hobject_flags);
-DUK_INTERNAL_DECL duk_hnativefunction *duk_hnativefunction_alloc(duk_heap *heap, duk_uint_t hobject_flags);
-DUK_INTERNAL duk_hbufferobject *duk_hbufferobject_alloc(duk_heap *heap, duk_uint_t hobject_flags);
+DUK_INTERNAL_DECL duk_harray *duk_harray_alloc(duk_heap *heap, duk_uint_t hobject_flags);
+DUK_INTERNAL_DECL duk_hcompfunc *duk_hcompfunc_alloc(duk_heap *heap, duk_uint_t hobject_flags);
+DUK_INTERNAL_DECL duk_hnatfunc *duk_hnatfunc_alloc(duk_heap *heap, duk_uint_t hobject_flags);
+#if defined(DUK_USE_BUFFEROBJECT_SUPPORT)
+DUK_INTERNAL_DECL duk_hbufobj *duk_hbufobj_alloc(duk_heap *heap, duk_uint_t hobject_flags);
+#endif
DUK_INTERNAL_DECL duk_hthread *duk_hthread_alloc(duk_heap *heap, duk_uint_t hobject_flags);
+/* resize */
+DUK_INTERNAL_DECL void duk_hobject_realloc_props(duk_hthread *thr,
+ duk_hobject *obj,
+ duk_uint32_t new_e_size,
+ duk_uint32_t new_a_size,
+ duk_uint32_t new_h_size,
+ duk_bool_t abandon_array);
+
/* low-level property functions */
DUK_INTERNAL_DECL void duk_hobject_find_existing_entry(duk_heap *heap, duk_hobject *obj, duk_hstring *key, duk_int_t *e_idx, duk_int_t *h_idx);
DUK_INTERNAL_DECL duk_tval *duk_hobject_find_existing_entry_tval_ptr(duk_heap *heap, duk_hobject *obj, duk_hstring *key);
@@ -5496,10 +6128,7 @@ DUK_INTERNAL_DECL duk_bool_t duk_hobject_delprop_raw(duk_hthread *thr, duk_hobje
DUK_INTERNAL_DECL duk_bool_t duk_hobject_hasprop_raw(duk_hthread *thr, duk_hobject *obj, duk_hstring *key);
DUK_INTERNAL_DECL void duk_hobject_define_property_internal(duk_hthread *thr, duk_hobject *obj, duk_hstring *key, duk_small_uint_t flags);
DUK_INTERNAL_DECL void duk_hobject_define_property_internal_arridx(duk_hthread *thr, duk_hobject *obj, duk_uarridx_t arr_idx, duk_small_uint_t flags);
-DUK_INTERNAL_DECL void duk_hobject_define_accessor_internal(duk_hthread *thr, duk_hobject *obj, duk_hstring *key, duk_hobject *getter, duk_hobject *setter, duk_small_uint_t propflags);
-DUK_INTERNAL_DECL void duk_hobject_set_length(duk_hthread *thr, duk_hobject *obj, duk_uint32_t length); /* XXX: duk_uarridx_t? */
-DUK_INTERNAL_DECL void duk_hobject_set_length_zero(duk_hthread *thr, duk_hobject *obj);
-DUK_INTERNAL_DECL duk_uint32_t duk_hobject_get_length(duk_hthread *thr, duk_hobject *obj); /* XXX: duk_uarridx_t? */
+DUK_INTERNAL_DECL duk_size_t duk_hobject_get_length(duk_hthread *thr, duk_hobject *obj);
/* helpers for defineProperty() and defineProperties() */
DUK_INTERNAL_DECL
@@ -5510,16 +6139,17 @@ void duk_hobject_prepare_property_descriptor(duk_context *ctx,
duk_hobject **out_getter,
duk_hobject **out_setter);
DUK_INTERNAL_DECL
-void duk_hobject_define_property_helper(duk_context *ctx,
- duk_uint_t defprop_flags,
- duk_hobject *obj,
- duk_hstring *key,
- duk_idx_t idx_value,
- duk_hobject *get,
- duk_hobject *set);
+duk_bool_t duk_hobject_define_property_helper(duk_context *ctx,
+ duk_uint_t defprop_flags,
+ duk_hobject *obj,
+ duk_hstring *key,
+ duk_idx_t idx_value,
+ duk_hobject *get,
+ duk_hobject *set,
+ duk_bool_t throw_flag);
/* Object built-in methods */
-DUK_INTERNAL_DECL duk_ret_t duk_hobject_object_get_own_property_descriptor(duk_context *ctx);
+DUK_INTERNAL_DECL void duk_hobject_object_get_own_property_descriptor(duk_context *ctx, duk_idx_t obj_idx);
DUK_INTERNAL_DECL void duk_hobject_object_seal_freeze_helper(duk_hthread *thr, duk_hobject *obj, duk_bool_t is_freeze);
DUK_INTERNAL_DECL duk_bool_t duk_hobject_object_is_sealed_frozen_helper(duk_hthread *thr, duk_hobject *obj, duk_bool_t is_frozen);
DUK_INTERNAL_DECL duk_bool_t duk_hobject_object_ownprop_helper(duk_context *ctx, duk_small_uint_t required_desc_flags);
@@ -5531,7 +6161,7 @@ DUK_INTERNAL_DECL duk_hstring *duk_hobject_get_internal_value_string(duk_heap *h
/* hobject management functions */
DUK_INTERNAL_DECL void duk_hobject_compact_props(duk_hthread *thr, duk_hobject *obj);
-/* ES6 proxy */
+/* ES2015 proxy */
#if defined(DUK_USE_ES6_PROXY)
DUK_INTERNAL_DECL duk_bool_t duk_hobject_proxy_check(duk_hthread *thr, duk_hobject *obj, duk_hobject **out_target, duk_hobject **out_handler);
DUK_INTERNAL_DECL duk_hobject *duk_hobject_resolve_proxy_target(duk_hthread *thr, duk_hobject *obj);
@@ -5546,7 +6176,9 @@ DUK_INTERNAL_DECL duk_bool_t duk_hobject_enumerator_next(duk_context *ctx, duk_b
DUK_INTERNAL_DECL void duk_hobject_set_prototype_updref(duk_hthread *thr, duk_hobject *h, duk_hobject *p);
/* finalization */
+#if defined(DUK_USE_FINALIZER_SUPPORT)
DUK_INTERNAL_DECL void duk_hobject_run_finalizer(duk_hthread *thr, duk_hobject *obj);
+#endif
/* pc2line */
#if defined(DUK_USE_PC2LINE)
@@ -5557,8 +6189,16 @@ DUK_INTERNAL_DECL duk_uint_fast32_t duk_hobject_pc2line_query(duk_context *ctx,
/* misc */
DUK_INTERNAL_DECL duk_bool_t duk_hobject_prototype_chain_contains(duk_hthread *thr, duk_hobject *h, duk_hobject *p, duk_bool_t ignore_loop);
+#if !defined(DUK_USE_OBJECT_BUILTIN)
+/* These declarations are needed when related built-in is disabled and
+ * genbuiltins.py won't automatically emit the declerations.
+ */
+DUK_INTERNAL_DECL duk_ret_t duk_bi_object_prototype_to_string(duk_context *ctx);
+DUK_INTERNAL_DECL duk_ret_t duk_bi_function_prototype(duk_context *ctx);
+#endif
+
#endif /* DUK_HOBJECT_H_INCLUDED */
-#line 1 "duk_hcompiledfunction.h"
+/* #include duk_hcompfunc.h */
/*
* Heap compiled function (Ecmascript function) representation.
*
@@ -5566,8 +6206,8 @@ DUK_INTERNAL_DECL duk_bool_t duk_hobject_prototype_chain_contains(duk_hthread *t
* bytecode, constants, and inner functions.
*/
-#ifndef DUK_HCOMPILEDFUNCTION_H_INCLUDED
-#define DUK_HCOMPILEDFUNCTION_H_INCLUDED
+#if !defined(DUK_HCOMPFUNC_H_INCLUDED)
+#define DUK_HCOMPFUNC_H_INCLUDED
/*
* Field accessor macros
@@ -5576,37 +6216,52 @@ DUK_INTERNAL_DECL duk_bool_t duk_hobject_prototype_chain_contains(duk_hthread *t
/* XXX: casts could be improved, especially for GET/SET DATA */
#if defined(DUK_USE_HEAPPTR16)
-#define DUK_HCOMPILEDFUNCTION_GET_DATA(heap,h) \
+#define DUK_HCOMPFUNC_GET_DATA(heap,h) \
((duk_hbuffer_fixed *) (void *) DUK_USE_HEAPPTR_DEC16((heap)->heap_udata, (h)->data16))
-#define DUK_HCOMPILEDFUNCTION_SET_DATA(heap,h,v) do { \
+#define DUK_HCOMPFUNC_SET_DATA(heap,h,v) do { \
(h)->data16 = DUK_USE_HEAPPTR_ENC16((heap)->heap_udata, (void *) (v)); \
} while (0)
-#define DUK_HCOMPILEDFUNCTION_GET_FUNCS(heap,h) \
+#define DUK_HCOMPFUNC_GET_FUNCS(heap,h) \
((duk_hobject **) (void *) (DUK_USE_HEAPPTR_DEC16((heap)->heap_udata, (h)->funcs16)))
-#define DUK_HCOMPILEDFUNCTION_SET_FUNCS(heap,h,v) do { \
+#define DUK_HCOMPFUNC_SET_FUNCS(heap,h,v) do { \
(h)->funcs16 = DUK_USE_HEAPPTR_ENC16((heap)->heap_udata, (void *) (v)); \
} while (0)
-#define DUK_HCOMPILEDFUNCTION_GET_BYTECODE(heap,h) \
+#define DUK_HCOMPFUNC_GET_BYTECODE(heap,h) \
((duk_instr_t *) (void *) (DUK_USE_HEAPPTR_DEC16((heap)->heap_udata, (h)->bytecode16)))
-#define DUK_HCOMPILEDFUNCTION_SET_BYTECODE(heap,h,v) do { \
+#define DUK_HCOMPFUNC_SET_BYTECODE(heap,h,v) do { \
(h)->bytecode16 = DUK_USE_HEAPPTR_ENC16((heap)->heap_udata, (void *) (v)); \
} while (0)
+#define DUK_HCOMPFUNC_GET_LEXENV(heap,h) \
+ ((duk_hobject *) (void *) (DUK_USE_HEAPPTR_DEC16((heap)->heap_udata, (h)->lex_env16)))
+#define DUK_HCOMPFUNC_SET_LEXENV(heap,h,v) do { \
+ (h)->lex_env16 = DUK_USE_HEAPPTR_ENC16((heap)->heap_udata, (void *) (v)); \
+ } while (0)
+#define DUK_HCOMPFUNC_GET_VARENV(heap,h) \
+ ((duk_hobject *) (void *) (DUK_USE_HEAPPTR_DEC16((heap)->heap_udata, (h)->var_env16)))
+#define DUK_HCOMPFUNC_SET_VARENV(heap,h,v) do { \
+ (h)->var_env16 = DUK_USE_HEAPPTR_ENC16((heap)->heap_udata, (void *) (v)); \
+ } while (0)
#else
-#define DUK_HCOMPILEDFUNCTION_GET_DATA(heap,h) \
- ((duk_hbuffer_fixed *) (void *) (h)->data)
-#define DUK_HCOMPILEDFUNCTION_SET_DATA(heap,h,v) do { \
+#define DUK_HCOMPFUNC_GET_DATA(heap,h) ((duk_hbuffer_fixed *) (void *) (h)->data)
+#define DUK_HCOMPFUNC_SET_DATA(heap,h,v) do { \
(h)->data = (duk_hbuffer *) (v); \
} while (0)
-#define DUK_HCOMPILEDFUNCTION_GET_FUNCS(heap,h) \
- ((h)->funcs)
-#define DUK_HCOMPILEDFUNCTION_SET_FUNCS(heap,h,v) do { \
+#define DUK_HCOMPFUNC_GET_FUNCS(heap,h) ((h)->funcs)
+#define DUK_HCOMPFUNC_SET_FUNCS(heap,h,v) do { \
(h)->funcs = (v); \
} while (0)
-#define DUK_HCOMPILEDFUNCTION_GET_BYTECODE(heap,h) \
- ((h)->bytecode)
-#define DUK_HCOMPILEDFUNCTION_SET_BYTECODE(heap,h,v) do { \
+#define DUK_HCOMPFUNC_GET_BYTECODE(heap,h) ((h)->bytecode)
+#define DUK_HCOMPFUNC_SET_BYTECODE(heap,h,v) do { \
(h)->bytecode = (v); \
} while (0)
+#define DUK_HCOMPFUNC_GET_LEXENV(heap,h) ((h)->lex_env)
+#define DUK_HCOMPFUNC_SET_LEXENV(heap,h,v) do { \
+ (h)->lex_env = (v); \
+ } while (0)
+#define DUK_HCOMPFUNC_GET_VARENV(heap,h) ((h)->var_env)
+#define DUK_HCOMPFUNC_SET_VARENV(heap,h,v) do { \
+ (h)->var_env = (v); \
+ } while (0)
#endif
/*
@@ -5614,71 +6269,71 @@ DUK_INTERNAL_DECL duk_bool_t duk_hobject_prototype_chain_contains(duk_hthread *t
*/
/* Note: assumes 'data' is always a fixed buffer */
-#define DUK_HCOMPILEDFUNCTION_GET_BUFFER_BASE(heap,h) \
- DUK_HBUFFER_FIXED_GET_DATA_PTR((heap), DUK_HCOMPILEDFUNCTION_GET_DATA((heap), (h)))
+#define DUK_HCOMPFUNC_GET_BUFFER_BASE(heap,h) \
+ DUK_HBUFFER_FIXED_GET_DATA_PTR((heap), DUK_HCOMPFUNC_GET_DATA((heap), (h)))
-#define DUK_HCOMPILEDFUNCTION_GET_CONSTS_BASE(heap,h) \
- ((duk_tval *) (void *) DUK_HCOMPILEDFUNCTION_GET_BUFFER_BASE((heap), (h)))
+#define DUK_HCOMPFUNC_GET_CONSTS_BASE(heap,h) \
+ ((duk_tval *) (void *) DUK_HCOMPFUNC_GET_BUFFER_BASE((heap), (h)))
-#define DUK_HCOMPILEDFUNCTION_GET_FUNCS_BASE(heap,h) \
- DUK_HCOMPILEDFUNCTION_GET_FUNCS((heap), (h))
+#define DUK_HCOMPFUNC_GET_FUNCS_BASE(heap,h) \
+ DUK_HCOMPFUNC_GET_FUNCS((heap), (h))
-#define DUK_HCOMPILEDFUNCTION_GET_CODE_BASE(heap,h) \
- DUK_HCOMPILEDFUNCTION_GET_BYTECODE((heap), (h))
+#define DUK_HCOMPFUNC_GET_CODE_BASE(heap,h) \
+ DUK_HCOMPFUNC_GET_BYTECODE((heap), (h))
-#define DUK_HCOMPILEDFUNCTION_GET_CONSTS_END(heap,h) \
- ((duk_tval *) (void *) DUK_HCOMPILEDFUNCTION_GET_FUNCS((heap), (h)))
+#define DUK_HCOMPFUNC_GET_CONSTS_END(heap,h) \
+ ((duk_tval *) (void *) DUK_HCOMPFUNC_GET_FUNCS((heap), (h)))
-#define DUK_HCOMPILEDFUNCTION_GET_FUNCS_END(heap,h) \
- ((duk_hobject **) (void *) DUK_HCOMPILEDFUNCTION_GET_BYTECODE((heap), (h)))
+#define DUK_HCOMPFUNC_GET_FUNCS_END(heap,h) \
+ ((duk_hobject **) (void *) DUK_HCOMPFUNC_GET_BYTECODE((heap), (h)))
-/* XXX: double evaluation of DUK_HCOMPILEDFUNCTION_GET_DATA() */
-#define DUK_HCOMPILEDFUNCTION_GET_CODE_END(heap,h) \
- ((duk_instr_t *) (void *) (DUK_HBUFFER_FIXED_GET_DATA_PTR((heap), DUK_HCOMPILEDFUNCTION_GET_DATA((heap), (h))) + \
- DUK_HBUFFER_GET_SIZE((duk_hbuffer *) DUK_HCOMPILEDFUNCTION_GET_DATA((heap), h))))
+/* XXX: double evaluation of DUK_HCOMPFUNC_GET_DATA() */
+#define DUK_HCOMPFUNC_GET_CODE_END(heap,h) \
+ ((duk_instr_t *) (void *) (DUK_HBUFFER_FIXED_GET_DATA_PTR((heap), DUK_HCOMPFUNC_GET_DATA((heap), (h))) + \
+ DUK_HBUFFER_GET_SIZE((duk_hbuffer *) DUK_HCOMPFUNC_GET_DATA((heap), h))))
-#define DUK_HCOMPILEDFUNCTION_GET_CONSTS_SIZE(heap,h) \
+#define DUK_HCOMPFUNC_GET_CONSTS_SIZE(heap,h) \
( \
(duk_size_t) \
( \
- ((const duk_uint8_t *) DUK_HCOMPILEDFUNCTION_GET_CONSTS_END((heap), (h))) - \
- ((const duk_uint8_t *) DUK_HCOMPILEDFUNCTION_GET_CONSTS_BASE((heap), (h))) \
+ ((const duk_uint8_t *) DUK_HCOMPFUNC_GET_CONSTS_END((heap), (h))) - \
+ ((const duk_uint8_t *) DUK_HCOMPFUNC_GET_CONSTS_BASE((heap), (h))) \
) \
)
-#define DUK_HCOMPILEDFUNCTION_GET_FUNCS_SIZE(heap,h) \
+#define DUK_HCOMPFUNC_GET_FUNCS_SIZE(heap,h) \
( \
(duk_size_t) \
( \
- ((const duk_uint8_t *) DUK_HCOMPILEDFUNCTION_GET_FUNCS_END((heap), (h))) - \
- ((const duk_uint8_t *) DUK_HCOMPILEDFUNCTION_GET_FUNCS_BASE((heap), (h))) \
+ ((const duk_uint8_t *) DUK_HCOMPFUNC_GET_FUNCS_END((heap), (h))) - \
+ ((const duk_uint8_t *) DUK_HCOMPFUNC_GET_FUNCS_BASE((heap), (h))) \
) \
)
-#define DUK_HCOMPILEDFUNCTION_GET_CODE_SIZE(heap,h) \
+#define DUK_HCOMPFUNC_GET_CODE_SIZE(heap,h) \
( \
(duk_size_t) \
( \
- ((const duk_uint8_t *) DUK_HCOMPILEDFUNCTION_GET_CODE_END((heap),(h))) - \
- ((const duk_uint8_t *) DUK_HCOMPILEDFUNCTION_GET_CODE_BASE((heap),(h))) \
+ ((const duk_uint8_t *) DUK_HCOMPFUNC_GET_CODE_END((heap),(h))) - \
+ ((const duk_uint8_t *) DUK_HCOMPFUNC_GET_CODE_BASE((heap),(h))) \
) \
)
-#define DUK_HCOMPILEDFUNCTION_GET_CONSTS_COUNT(heap,h) \
- ((duk_size_t) (DUK_HCOMPILEDFUNCTION_GET_CONSTS_SIZE((heap), (h)) / sizeof(duk_tval)))
+#define DUK_HCOMPFUNC_GET_CONSTS_COUNT(heap,h) \
+ ((duk_size_t) (DUK_HCOMPFUNC_GET_CONSTS_SIZE((heap), (h)) / sizeof(duk_tval)))
-#define DUK_HCOMPILEDFUNCTION_GET_FUNCS_COUNT(heap,h) \
- ((duk_size_t) (DUK_HCOMPILEDFUNCTION_GET_FUNCS_SIZE((heap), (h)) / sizeof(duk_hobject *)))
+#define DUK_HCOMPFUNC_GET_FUNCS_COUNT(heap,h) \
+ ((duk_size_t) (DUK_HCOMPFUNC_GET_FUNCS_SIZE((heap), (h)) / sizeof(duk_hobject *)))
-#define DUK_HCOMPILEDFUNCTION_GET_CODE_COUNT(heap,h) \
- ((duk_size_t) (DUK_HCOMPILEDFUNCTION_GET_CODE_SIZE((heap), (h)) / sizeof(duk_instr_t)))
+#define DUK_HCOMPFUNC_GET_CODE_COUNT(heap,h) \
+ ((duk_size_t) (DUK_HCOMPFUNC_GET_CODE_SIZE((heap), (h)) / sizeof(duk_instr_t)))
/*
* Main struct
*/
-struct duk_hcompiledfunction {
+struct duk_hcompfunc {
/* shared object part */
duk_hobject obj;
@@ -5725,6 +6380,17 @@ struct duk_hcompiledfunction {
duk_instr_t *bytecode;
#endif
+ /* Lexenv: lexical environment of closure, NULL for templates.
+ * Varenv: variable environment of closure, NULL for templates.
+ */
+#if defined(DUK_USE_HEAPPTR16)
+ duk_uint16_t lex_env16;
+ duk_uint16_t var_env16;
+#else
+ duk_hobject *lex_env;
+ duk_hobject *var_env;
+#endif
+
/*
* 'nregs' registers are allocated on function entry, at most 'nargs'
* are initialized to arguments, and the rest to undefined. Arguments
@@ -5780,8 +6446,6 @@ struct duk_hcompiledfunction {
* _Formals: [ "arg1", "arg2" ],
* _Source: "function func(arg1, arg2) { ... }",
* _Pc2line: <debug info for pc-to-line mapping>,
- * _Varenv: <variable environment of closure>,
- * _Lexenv: <lexical environment of closure (if differs from _Varenv)>
* }
*
* More detailed description of these properties can be found
@@ -5797,19 +6461,19 @@ struct duk_hcompiledfunction {
#endif
};
-#endif /* DUK_HCOMPILEDFUNCTION_H_INCLUDED */
-#line 1 "duk_hnativefunction.h"
+#endif /* DUK_HCOMPFUNC_H_INCLUDED */
+/* #include duk_hnatfunc.h */
/*
* Heap native function representation.
*/
-#ifndef DUK_HNATIVEFUNCTION_H_INCLUDED
-#define DUK_HNATIVEFUNCTION_H_INCLUDED
+#if !defined(DUK_HNATFUNC_H_INCLUDED)
+#define DUK_HNATFUNC_H_INCLUDED
-#define DUK_HNATIVEFUNCTION_NARGS_VARARGS ((duk_int16_t) -1)
-#define DUK_HNATIVEFUNCTION_NARGS_MAX ((duk_int16_t) 0x7fff)
+#define DUK_HNATFUNC_NARGS_VARARGS ((duk_int16_t) -1)
+#define DUK_HNATFUNC_NARGS_MAX ((duk_int16_t) 0x7fff)
-struct duk_hnativefunction {
+struct duk_hnatfunc {
/* shared object part */
duk_hobject obj;
@@ -5830,42 +6494,44 @@ struct duk_hnativefunction {
*/
};
-#endif /* DUK_HNATIVEFUNCTION_H_INCLUDED */
-#line 1 "duk_hbufferobject.h"
+#endif /* DUK_HNATFUNC_H_INCLUDED */
+/* #include duk_hbufobj.h */
/*
* Heap Buffer object representation. Used for all Buffer variants.
*/
-#ifndef DUK_HBUFFEROBJECT_H_INCLUDED
-#define DUK_HBUFFEROBJECT_H_INCLUDED
+#if !defined(DUK_HBUFOBJ_H_INCLUDED)
+#define DUK_HBUFOBJ_H_INCLUDED
+
+#if defined(DUK_USE_BUFFEROBJECT_SUPPORT)
/* All element accessors are host endian now (driven by TypedArray spec). */
-#define DUK_HBUFFEROBJECT_ELEM_UINT8 0
-#define DUK_HBUFFEROBJECT_ELEM_UINT8CLAMPED 1
-#define DUK_HBUFFEROBJECT_ELEM_INT8 2
-#define DUK_HBUFFEROBJECT_ELEM_UINT16 3
-#define DUK_HBUFFEROBJECT_ELEM_INT16 4
-#define DUK_HBUFFEROBJECT_ELEM_UINT32 5
-#define DUK_HBUFFEROBJECT_ELEM_INT32 6
-#define DUK_HBUFFEROBJECT_ELEM_FLOAT32 7
-#define DUK_HBUFFEROBJECT_ELEM_FLOAT64 8
-#define DUK_HBUFFEROBJECT_ELEM_MAX 8
-
-#define DUK_ASSERT_HBUFFEROBJECT_VALID(h) do { \
+#define DUK_HBUFOBJ_ELEM_UINT8 0
+#define DUK_HBUFOBJ_ELEM_UINT8CLAMPED 1
+#define DUK_HBUFOBJ_ELEM_INT8 2
+#define DUK_HBUFOBJ_ELEM_UINT16 3
+#define DUK_HBUFOBJ_ELEM_INT16 4
+#define DUK_HBUFOBJ_ELEM_UINT32 5
+#define DUK_HBUFOBJ_ELEM_INT32 6
+#define DUK_HBUFOBJ_ELEM_FLOAT32 7
+#define DUK_HBUFOBJ_ELEM_FLOAT64 8
+#define DUK_HBUFOBJ_ELEM_MAX 8
+
+#define DUK_ASSERT_HBUFOBJ_VALID(h) do { \
DUK_ASSERT((h) != NULL); \
DUK_ASSERT((h)->shift <= 3); \
- DUK_ASSERT((h)->elem_type <= DUK_HBUFFEROBJECT_ELEM_MAX); \
- DUK_ASSERT(((h)->shift == 0 && (h)->elem_type == DUK_HBUFFEROBJECT_ELEM_UINT8) || \
- ((h)->shift == 0 && (h)->elem_type == DUK_HBUFFEROBJECT_ELEM_UINT8CLAMPED) || \
- ((h)->shift == 0 && (h)->elem_type == DUK_HBUFFEROBJECT_ELEM_INT8) || \
- ((h)->shift == 1 && (h)->elem_type == DUK_HBUFFEROBJECT_ELEM_UINT16) || \
- ((h)->shift == 1 && (h)->elem_type == DUK_HBUFFEROBJECT_ELEM_INT16) || \
- ((h)->shift == 2 && (h)->elem_type == DUK_HBUFFEROBJECT_ELEM_UINT32) || \
- ((h)->shift == 2 && (h)->elem_type == DUK_HBUFFEROBJECT_ELEM_INT32) || \
- ((h)->shift == 2 && (h)->elem_type == DUK_HBUFFEROBJECT_ELEM_FLOAT32) || \
- ((h)->shift == 3 && (h)->elem_type == DUK_HBUFFEROBJECT_ELEM_FLOAT64)); \
- DUK_ASSERT((h)->is_view == 0 || (h)->is_view == 1); \
- DUK_ASSERT(DUK_HOBJECT_IS_BUFFEROBJECT((duk_hobject *) (h))); \
+ DUK_ASSERT((h)->elem_type <= DUK_HBUFOBJ_ELEM_MAX); \
+ DUK_ASSERT(((h)->shift == 0 && (h)->elem_type == DUK_HBUFOBJ_ELEM_UINT8) || \
+ ((h)->shift == 0 && (h)->elem_type == DUK_HBUFOBJ_ELEM_UINT8CLAMPED) || \
+ ((h)->shift == 0 && (h)->elem_type == DUK_HBUFOBJ_ELEM_INT8) || \
+ ((h)->shift == 1 && (h)->elem_type == DUK_HBUFOBJ_ELEM_UINT16) || \
+ ((h)->shift == 1 && (h)->elem_type == DUK_HBUFOBJ_ELEM_INT16) || \
+ ((h)->shift == 2 && (h)->elem_type == DUK_HBUFOBJ_ELEM_UINT32) || \
+ ((h)->shift == 2 && (h)->elem_type == DUK_HBUFOBJ_ELEM_INT32) || \
+ ((h)->shift == 2 && (h)->elem_type == DUK_HBUFOBJ_ELEM_FLOAT32) || \
+ ((h)->shift == 3 && (h)->elem_type == DUK_HBUFOBJ_ELEM_FLOAT64)); \
+ DUK_ASSERT((h)->is_typedarray == 0 || (h)->is_typedarray == 1); \
+ DUK_ASSERT(DUK_HOBJECT_IS_BUFOBJ((duk_hobject *) (h))); \
if ((h)->buf == NULL) { \
DUK_ASSERT((h)->offset == 0); \
DUK_ASSERT((h)->length == 0); \
@@ -5881,58 +6547,64 @@ struct duk_hnativefunction {
/* Get the current data pointer (caller must ensure buf != NULL) as a
* duk_uint8_t ptr.
*/
-#define DUK_HBUFFEROBJECT_GET_SLICE_BASE(heap,h) \
+#define DUK_HBUFOBJ_GET_SLICE_BASE(heap,h) \
(DUK_ASSERT_EXPR((h) != NULL), DUK_ASSERT_EXPR((h)->buf != NULL), \
(((duk_uint8_t *) DUK_HBUFFER_GET_DATA_PTR((heap), (h)->buf)) + (h)->offset))
/* True if slice is full, i.e. offset is zero and length covers the entire
- * buffer. This status may change independently of the duk_hbufferobject if
- * the underlying buffer is dynamic and changes without the hbufferobject
+ * buffer. This status may change independently of the duk_hbufobj if
+ * the underlying buffer is dynamic and changes without the hbufobj
* being changed.
*/
-#define DUK_HBUFFEROBJECT_FULL_SLICE(h) \
+#define DUK_HBUFOBJ_FULL_SLICE(h) \
(DUK_ASSERT_EXPR((h) != NULL), DUK_ASSERT_EXPR((h)->buf != NULL), \
((h)->offset == 0 && (h)->length == DUK_HBUFFER_GET_SIZE((h)->buf)))
/* Validate that the whole slice [0,length[ is contained in the underlying
* buffer. Caller must ensure 'buf' != NULL.
*/
-#define DUK_HBUFFEROBJECT_VALID_SLICE(h) \
+#define DUK_HBUFOBJ_VALID_SLICE(h) \
(DUK_ASSERT_EXPR((h) != NULL), DUK_ASSERT_EXPR((h)->buf != NULL), \
((h)->offset + (h)->length <= DUK_HBUFFER_GET_SIZE((h)->buf)))
/* Validate byte read/write for virtual 'offset', i.e. check that the
* offset, taking into account h->offset, is within the underlying
* buffer size. This is a safety check which is needed to ensure
- * that even a misconfigured duk_hbufferobject never causes memory
- * unsafe behavior (e.g. if an underlying dynamic buffer changes
- * after being setup). Caller must ensure 'buf' != NULL.
+ * that even a misconfigured duk_hbufobj never causes memory unsafe
+ * behavior (e.g. if an underlying dynamic buffer changes after being
+ * setup). Caller must ensure 'buf' != NULL.
*/
-#define DUK_HBUFFEROBJECT_VALID_BYTEOFFSET_INCL(h,off) \
+#define DUK_HBUFOBJ_VALID_BYTEOFFSET_INCL(h,off) \
(DUK_ASSERT_EXPR((h) != NULL), DUK_ASSERT_EXPR((h)->buf != NULL), \
((h)->offset + (off) < DUK_HBUFFER_GET_SIZE((h)->buf)))
-#define DUK_HBUFFEROBJECT_VALID_BYTEOFFSET_EXCL(h,off) \
+#define DUK_HBUFOBJ_VALID_BYTEOFFSET_EXCL(h,off) \
(DUK_ASSERT_EXPR((h) != NULL), DUK_ASSERT_EXPR((h)->buf != NULL), \
((h)->offset + (off) <= DUK_HBUFFER_GET_SIZE((h)->buf)))
/* Clamp an input byte length (already assumed to be within the nominal
- * duk_hbufferobject 'length') to the current dynamic buffer limits to
- * yield a byte length limit that's safe for memory accesses. This value
- * can be invalidated by any side effect because it may trigger a user
+ * duk_hbufobj 'length') to the current dynamic buffer limits to yield
+ * a byte length limit that's safe for memory accesses. This value can
+ * be invalidated by any side effect because it may trigger a user
* callback that resizes the underlying buffer.
*/
-#define DUK_HBUFFEROBJECT_CLAMP_BYTELENGTH(h,len) \
+#define DUK_HBUFOBJ_CLAMP_BYTELENGTH(h,len) \
(DUK_ASSERT_EXPR((h) != NULL), \
- duk_hbufferobject_clamp_bytelength((h), (len)))
+ duk_hbufobj_clamp_bytelength((h), (len)))
-struct duk_hbufferobject {
+/* Typed arrays have virtual indices, ArrayBuffer and DataView do not. */
+#define DUK_HBUFOBJ_HAS_VIRTUAL_INDICES(h) ((h)->is_typedarray)
+
+struct duk_hbufobj {
/* Shared object part. */
duk_hobject obj;
/* Underlying buffer (refcounted), may be NULL. */
duk_hbuffer *buf;
+ /* .buffer reference to an ArrayBuffer, may be NULL. */
+ duk_hobject *buf_prop;
+
/* Slice and accessor information.
*
* Because the underlying buffer may be dynamic, these may be
@@ -5955,17 +6627,18 @@ struct duk_hbufferobject {
* 3 = double
*/
duk_uint8_t elem_type; /* element type */
- duk_uint8_t is_view;
+ duk_uint8_t is_typedarray;
};
-#if defined(DUK_USE_BUFFEROBJECT_SUPPORT)
-DUK_INTERNAL_DECL duk_uint_t duk_hbufferobject_clamp_bytelength(duk_hbufferobject *h_bufobj, duk_uint_t len);
-#endif
-DUK_INTERNAL_DECL void duk_hbufferobject_push_validated_read(duk_context *ctx, duk_hbufferobject *h_bufobj, duk_uint8_t *p, duk_small_uint_t elem_size);
-DUK_INTERNAL_DECL void duk_hbufferobject_validated_write(duk_context *ctx, duk_hbufferobject *h_bufobj, duk_uint8_t *p, duk_small_uint_t elem_size);
+DUK_INTERNAL_DECL duk_uint_t duk_hbufobj_clamp_bytelength(duk_hbufobj *h_bufobj, duk_uint_t len);
+DUK_INTERNAL_DECL void duk_hbufobj_push_uint8array_from_plain(duk_hthread *thr, duk_hbuffer *h_buf);
+DUK_INTERNAL_DECL void duk_hbufobj_push_validated_read(duk_context *ctx, duk_hbufobj *h_bufobj, duk_uint8_t *p, duk_small_uint_t elem_size);
+DUK_INTERNAL_DECL void duk_hbufobj_validated_write(duk_context *ctx, duk_hbufobj *h_bufobj, duk_uint8_t *p, duk_small_uint_t elem_size);
+DUK_INTERNAL_DECL void duk_hbufobj_promote_plain(duk_context *ctx, duk_idx_t idx);
-#endif /* DUK_HBUFFEROBJECT_H_INCLUDED */
-#line 1 "duk_hthread.h"
+#endif /* DUK_USE_BUFFEROBJECT_SUPPORT */
+#endif /* DUK_HBUFOBJ_H_INCLUDED */
+/* #include duk_hthread.h */
/*
* Heap thread object representation.
*
@@ -5973,7 +6646,7 @@ DUK_INTERNAL_DECL void duk_hbufferobject_validated_write(duk_context *ctx, duk_h
* which mostly operate on the topmost frame of the value stack.
*/
-#ifndef DUK_HTHREAD_H_INCLUDED
+#if !defined(DUK_HTHREAD_H_INCLUDED)
#define DUK_HTHREAD_H_INCLUDED
/*
@@ -6150,6 +6823,26 @@ DUK_INTERNAL_DECL void duk_hbufferobject_validated_write(duk_context *ctx, duk_h
} while (0)
/*
+ * Assertion helpers.
+ */
+
+#define DUK_ASSERT_STRIDX_VALID(val) \
+ DUK_ASSERT((duk_uint_t) (val) < DUK_HEAP_NUM_STRINGS)
+
+#define DUK_ASSERT_BIDX_VALID(val) \
+ DUK_ASSERT((duk_uint_t) (val) < DUK_NUM_BUILTINS)
+
+/*
+ * Misc
+ */
+
+/* Fast access to 'this' binding. Assumes there's a call in progress. */
+#define DUK_HTHREAD_THIS_PTR(thr) \
+ (DUK_ASSERT_EXPR((thr) != NULL), \
+ DUK_ASSERT_EXPR((thr)->valstack_bottom > (thr)->valstack), \
+ (thr)->valstack_bottom - 1)
+
+/*
* Struct defines
*/
@@ -6163,7 +6856,7 @@ struct duk_activation {
duk_hobject *func; /* borrowed: function being executed; for bound function calls, this is the final, real function, NULL for lightfuncs */
duk_hobject *var_env; /* current variable environment (may be NULL if delayed) */
duk_hobject *lex_env; /* current lexical environment (may be NULL if delayed) */
-#ifdef DUK_USE_NONSTD_FUNC_CALLER_PROPERTY
+#if defined(DUK_USE_NONSTD_FUNC_CALLER_PROPERTY)
/* Previous value of 'func' caller, restored when unwound. Only in use
* when 'func' is non-strict.
*/
@@ -6346,7 +7039,55 @@ DUK_INTERNAL_DECL void duk_hthread_sync_currpc(duk_hthread *thr);
DUK_INTERNAL_DECL void duk_hthread_sync_and_null_currpc(duk_hthread *thr);
#endif /* DUK_HTHREAD_H_INCLUDED */
-#line 1 "duk_hbuffer.h"
+/* #include duk_harray.h */
+/*
+ * Heap Array object representation. Used for actual Array instances.
+ *
+ * All objects with the exotic array behavior (which must coincide with having
+ * internal class array) MUST be duk_harrays. No other object can be a
+ * duk_harray. However, duk_harrays may not always have an array part.
+ */
+
+#if !defined(DUK_HARRAY_H_INCLUDED)
+#define DUK_HARRAY_H_INCLUDED
+
+#define DUK_ASSERT_HARRAY_VALID(h) do { \
+ DUK_ASSERT((h) != NULL); \
+ DUK_ASSERT(DUK_HOBJECT_IS_ARRAY((duk_hobject *) (h))); \
+ DUK_ASSERT(DUK_HOBJECT_HAS_EXOTIC_ARRAY((duk_hobject *) (h))); \
+ } while (0)
+
+#define DUK_HARRAY_LENGTH_WRITABLE(h) (!(h)->length_nonwritable)
+#define DUK_HARRAY_LENGTH_NONWRITABLE(h) ((h)->length_nonwritable)
+#define DUK_HARRAY_SET_LENGTH_WRITABLE(h) do { (h)->length_nonwritable = 0; } while (0)
+#define DUK_HARRAY_SET_LENGTH_NONWRITABLE(h) do { (h)->length_nonwritable = 1; } while (0)
+
+struct duk_harray {
+ /* Shared object part. */
+ duk_hobject obj;
+
+ /* Array .length.
+ *
+ * At present Array .length may be smaller, equal, or even larger
+ * than the allocated underlying array part. Fast path code must
+ * always take this into account carefully.
+ */
+ duk_uint32_t length;
+
+ /* Array .length property attributes. The property is always
+ * non-enumerable and non-configurable. It's initially writable
+ * but per Object.defineProperty() rules it can be made non-writable
+ * even if it is non-configurable. Thus we need to track the
+ * writability explicitly.
+ *
+ * XXX: this field to be eliminated and moved into duk_hobject
+ * flags field to save space.
+ */
+ duk_bool_t length_nonwritable;
+};
+
+#endif /* DUK_HARRAY_H_INCLUDED */
+/* #include duk_hbuffer.h */
/*
* Heap buffer representation.
*
@@ -6358,7 +7099,7 @@ DUK_INTERNAL_DECL void duk_hthread_sync_and_null_currpc(duk_hthread *thr);
* The data pointer for a variable size buffer of zero size may be NULL.
*/
-#ifndef DUK_HBUFFER_H_INCLUDED
+#if !defined(DUK_HBUFFER_H_INCLUDED)
#define DUK_HBUFFER_H_INCLUDED
/*
@@ -6675,7 +7416,7 @@ DUK_INTERNAL_DECL void duk_hbuffer_resize(duk_hthread *thr, duk_hbuffer_dynamic
DUK_INTERNAL_DECL void duk_hbuffer_reset(duk_hthread *thr, duk_hbuffer_dynamic *buf);
#endif /* DUK_HBUFFER_H_INCLUDED */
-#line 1 "duk_heap.h"
+/* #include duk_heap.h */
/*
* Heap structure.
*
@@ -6683,7 +7424,7 @@ DUK_INTERNAL_DECL void duk_hbuffer_reset(duk_hthread *thr, duk_hbuffer_dynamic *
* strings for one or more threads.
*/
-#ifndef DUK_HEAP_H_INCLUDED
+#if !defined(DUK_HEAP_H_INCLUDED)
#define DUK_HEAP_H_INCLUDED
/* alloc function typedefs in duktape.h */
@@ -6698,6 +7439,7 @@ DUK_INTERNAL_DECL void duk_hbuffer_reset(duk_hthread *thr, duk_hbuffer_dynamic *
#define DUK_HEAP_FLAG_ERRHANDLER_RUNNING (1 << 3) /* an error handler (user callback to augment/replace error) is running */
#define DUK_HEAP_FLAG_INTERRUPT_RUNNING (1 << 4) /* executor interrupt running (used to avoid nested interrupts) */
#define DUK_HEAP_FLAG_FINALIZER_NORESCUE (1 << 5) /* heap destruction ongoing, finalizer rescue no longer possible */
+#define DUK_HEAP_FLAG_DEBUGGER_PAUSED (1 << 6) /* debugger is paused: talk with debug client until step/resume */
#define DUK__HEAP_HAS_FLAGS(heap,bits) ((heap)->flags & (bits))
#define DUK__HEAP_SET_FLAGS(heap,bits) do { \
@@ -6713,6 +7455,7 @@ DUK_INTERNAL_DECL void duk_hbuffer_reset(duk_hthread *thr, duk_hbuffer_dynamic *
#define DUK_HEAP_HAS_ERRHANDLER_RUNNING(heap) DUK__HEAP_HAS_FLAGS((heap), DUK_HEAP_FLAG_ERRHANDLER_RUNNING)
#define DUK_HEAP_HAS_INTERRUPT_RUNNING(heap) DUK__HEAP_HAS_FLAGS((heap), DUK_HEAP_FLAG_INTERRUPT_RUNNING)
#define DUK_HEAP_HAS_FINALIZER_NORESCUE(heap) DUK__HEAP_HAS_FLAGS((heap), DUK_HEAP_FLAG_FINALIZER_NORESCUE)
+#define DUK_HEAP_HAS_DEBUGGER_PAUSED(heap) DUK__HEAP_HAS_FLAGS((heap), DUK_HEAP_FLAG_DEBUGGER_PAUSED)
#define DUK_HEAP_SET_MARKANDSWEEP_RUNNING(heap) DUK__HEAP_SET_FLAGS((heap), DUK_HEAP_FLAG_MARKANDSWEEP_RUNNING)
#define DUK_HEAP_SET_MARKANDSWEEP_RECLIMIT_REACHED(heap) DUK__HEAP_SET_FLAGS((heap), DUK_HEAP_FLAG_MARKANDSWEEP_RECLIMIT_REACHED)
@@ -6720,6 +7463,7 @@ DUK_INTERNAL_DECL void duk_hbuffer_reset(duk_hthread *thr, duk_hbuffer_dynamic *
#define DUK_HEAP_SET_ERRHANDLER_RUNNING(heap) DUK__HEAP_SET_FLAGS((heap), DUK_HEAP_FLAG_ERRHANDLER_RUNNING)
#define DUK_HEAP_SET_INTERRUPT_RUNNING(heap) DUK__HEAP_SET_FLAGS((heap), DUK_HEAP_FLAG_INTERRUPT_RUNNING)
#define DUK_HEAP_SET_FINALIZER_NORESCUE(heap) DUK__HEAP_SET_FLAGS((heap), DUK_HEAP_FLAG_FINALIZER_NORESCUE)
+#define DUK_HEAP_SET_DEBUGGER_PAUSED(heap) DUK__HEAP_SET_FLAGS((heap), DUK_HEAP_FLAG_DEBUGGER_PAUSED)
#define DUK_HEAP_CLEAR_MARKANDSWEEP_RUNNING(heap) DUK__HEAP_CLEAR_FLAGS((heap), DUK_HEAP_FLAG_MARKANDSWEEP_RUNNING)
#define DUK_HEAP_CLEAR_MARKANDSWEEP_RECLIMIT_REACHED(heap) DUK__HEAP_CLEAR_FLAGS((heap), DUK_HEAP_FLAG_MARKANDSWEEP_RECLIMIT_REACHED)
@@ -6727,6 +7471,7 @@ DUK_INTERNAL_DECL void duk_hbuffer_reset(duk_hthread *thr, duk_hbuffer_dynamic *
#define DUK_HEAP_CLEAR_ERRHANDLER_RUNNING(heap) DUK__HEAP_CLEAR_FLAGS((heap), DUK_HEAP_FLAG_ERRHANDLER_RUNNING)
#define DUK_HEAP_CLEAR_INTERRUPT_RUNNING(heap) DUK__HEAP_CLEAR_FLAGS((heap), DUK_HEAP_FLAG_INTERRUPT_RUNNING)
#define DUK_HEAP_CLEAR_FINALIZER_NORESCUE(heap) DUK__HEAP_CLEAR_FLAGS((heap), DUK_HEAP_FLAG_FINALIZER_NORESCUE)
+#define DUK_HEAP_CLEAR_DEBUGGER_PAUSED(heap) DUK__HEAP_CLEAR_FLAGS((heap), DUK_HEAP_FLAG_DEBUGGER_PAUSED)
/*
* Longjmp types, also double as identifying continuation type for a rethrow (in 'finally')
@@ -6785,7 +7530,6 @@ DUK_INTERNAL_DECL void duk_hbuffer_reset(duk_hthread *thr, duk_hbuffer_dynamic *
* GC is skipped because there is no thread do it with yet (happens
* only during init phases).
*/
-#if defined(DUK_USE_MARK_AND_SWEEP)
#if defined(DUK_USE_REFERENCE_COUNTING)
#define DUK_HEAP_MARK_AND_SWEEP_TRIGGER_MULT 12800L /* 50x heap size */
#define DUK_HEAP_MARK_AND_SWEEP_TRIGGER_ADD 1024L
@@ -6795,7 +7539,6 @@ DUK_INTERNAL_DECL void duk_hbuffer_reset(duk_hthread *thr, duk_hbuffer_dynamic *
#define DUK_HEAP_MARK_AND_SWEEP_TRIGGER_ADD 1024L
#define DUK_HEAP_MARK_AND_SWEEP_TRIGGER_SKIP 256L
#endif
-#endif
/* Stringcache is used for speeding up char-offset-to-byte-offset
* translations for non-ASCII strings.
@@ -6953,16 +7696,16 @@ struct duk_breakpoint {
(heap)->dbg_step_startline = 0; \
} while (0)
#define DUK_HEAP_SET_PAUSED(heap) do { \
- (heap)->dbg_paused = 1; \
+ DUK_HEAP_SET_DEBUGGER_PAUSED(heap); \
(heap)->dbg_state_dirty = 1; \
DUK_HEAP_CLEAR_STEP_STATE((heap)); \
} while (0)
#define DUK_HEAP_CLEAR_PAUSED(heap) do { \
- (heap)->dbg_paused = 0; \
+ DUK_HEAP_CLEAR_DEBUGGER_PAUSED(heap); \
(heap)->dbg_state_dirty = 1; \
DUK_HEAP_CLEAR_STEP_STATE((heap)); \
} while (0)
-#define DUK_HEAP_IS_PAUSED(heap) ((heap)->dbg_paused)
+#define DUK_HEAP_IS_PAUSED(heap) (DUK_HEAP_HAS_DEBUGGER_PAUSED((heap)))
#endif /* DUK_USE_DEBUGGER_SUPPORT */
/*
@@ -7029,7 +7772,7 @@ struct duk_heap {
duk_free_function free_func;
/* Heap udata, used for allocator functions but also for other heap
- * level callbacks like pointer compression, etc.
+ * level callbacks like fatal function, pointer compression, etc.
*/
void *heap_udata;
@@ -7058,7 +7801,6 @@ struct duk_heap {
duk_heaphdr *refzero_list_tail;
#endif
-#if defined(DUK_USE_MARK_AND_SWEEP)
/* mark-and-sweep control */
#if defined(DUK_USE_VOLUNTARY_GC)
duk_int_t mark_and_sweep_trigger_counter;
@@ -7070,7 +7812,6 @@ struct duk_heap {
/* work list for objects to be finalized (by mark-and-sweep) */
duk_heaphdr *finalize_list;
-#endif
/* longjmp state */
duk_ljstate lj;
@@ -7095,7 +7836,20 @@ struct duk_heap {
duk_uint32_t hash_seed;
/* rnd_state for duk_util_tinyrandom.c */
- duk_uint32_t rnd_state;
+#if !defined(DUK_USE_GET_RANDOM_DOUBLE)
+#if defined(DUK_USE_PREFER_SIZE) || !defined(DUK_USE_64BIT_OPS)
+ duk_uint32_t rnd_state; /* State for Shamir's three-op algorithm */
+#else
+ duk_uint64_t rnd_state[2]; /* State for xoroshiro128+ */
+#endif
+#endif
+
+ /* counter for unique local symbol creation */
+ /* XXX: When 64-bit types are available, it would be more efficient to
+ * use a duk_uint64_t at least for incrementing but maybe also for
+ * string formatting in the Symbol constructor.
+ */
+ duk_uint32_t sym_counter[2];
/* For manual debugging: instruction count based on executor and
* interrupt counter book-keeping. Inspect debug logs to see how
@@ -7121,7 +7875,6 @@ struct duk_heap {
/* debugger state, only relevant when attached */
duk_bool_t dbg_processing; /* currently processing messages or breakpoints: don't enter message processing recursively (e.g. no breakpoints when processing debugger eval) */
- duk_bool_t dbg_paused; /* currently paused: talk with debug client until step/resume */
duk_bool_t dbg_state_dirty; /* resend state next time executor is about to run */
duk_bool_t dbg_force_restart; /* force executor restart to recheck breakpoints; used to handle function returns (see GH-303) */
duk_bool_t dbg_detaching; /* debugger detaching; used to avoid calling detach handler recursively */
@@ -7190,9 +7943,9 @@ duk_heap *duk_heap_alloc(duk_alloc_function alloc_func,
void *heap_udata,
duk_fatal_function fatal_func);
DUK_INTERNAL_DECL void duk_heap_free(duk_heap *heap);
-DUK_INTERNAL_DECL void duk_free_hobject_inner(duk_heap *heap, duk_hobject *h);
-DUK_INTERNAL_DECL void duk_free_hbuffer_inner(duk_heap *heap, duk_hbuffer *h);
-DUK_INTERNAL_DECL void duk_free_hstring_inner(duk_heap *heap, duk_hstring *h);
+DUK_INTERNAL_DECL void duk_free_hobject(duk_heap *heap, duk_hobject *h);
+DUK_INTERNAL_DECL void duk_free_hbuffer(duk_heap *heap, duk_hbuffer *h);
+DUK_INTERNAL_DECL void duk_free_hstring(duk_heap *heap, duk_hstring *h);
DUK_INTERNAL_DECL void duk_heap_free_heaphdr_raw(duk_heap *heap, duk_heaphdr *hdr);
DUK_INTERNAL_DECL void duk_heap_insert_into_heap_allocated(duk_heap *heap, duk_heaphdr *hdr);
@@ -7216,7 +7969,7 @@ DUK_INTERNAL_DECL duk_hstring *duk_heap_string_intern_u32_checked(duk_hthread *t
#if defined(DUK_USE_REFERENCE_COUNTING)
DUK_INTERNAL_DECL void duk_heap_string_remove(duk_heap *heap, duk_hstring *h);
#endif
-#if defined(DUK_USE_MARK_AND_SWEEP) && defined(DUK_USE_MS_STRINGTABLE_RESIZE)
+#if defined(DUK_USE_MS_STRINGTABLE_RESIZE)
DUK_INTERNAL_DECL void duk_heap_force_strtab_resize(duk_heap *heap);
#endif
DUK_INTERNAL void duk_heap_free_strtab(duk_heap *heap);
@@ -7224,7 +7977,6 @@ DUK_INTERNAL void duk_heap_free_strtab(duk_heap *heap);
DUK_INTERNAL void duk_heap_dump_strtab(duk_heap *heap);
#endif
-
DUK_INTERNAL_DECL void duk_heap_strcache_string_remove(duk_heap *heap, duk_hstring *h);
DUK_INTERNAL_DECL duk_uint_fast32_t duk_heap_strcache_offset_char2byte(duk_hthread *thr, duk_hstring *h, duk_uint_fast32_t char_offset);
@@ -7240,40 +7992,43 @@ DUK_INTERNAL_DECL void *duk_heap_mem_realloc(duk_heap *heap, void *ptr, duk_size
DUK_INTERNAL_DECL void *duk_heap_mem_realloc_indirect(duk_heap *heap, duk_mem_getptr cb, void *ud, duk_size_t newsize);
DUK_INTERNAL_DECL void duk_heap_mem_free(duk_heap *heap, void *ptr);
-#ifdef DUK_USE_REFERENCE_COUNTING
-#if !defined(DUK_USE_FAST_REFCOUNT_DEFAULT)
-DUK_INTERNAL_DECL void duk_tval_incref(duk_tval *tv);
-#endif
-#if 0 /* unused */
-DUK_INTERNAL_DECL void duk_tval_incref_allownull(duk_tval *tv);
+#if defined(DUK_USE_REFERENCE_COUNTING)
+DUK_INTERNAL_DECL void duk_refzero_free_pending(duk_hthread *thr);
+DUK_INTERNAL_DECL void duk_heaphdr_refcount_finalize(duk_hthread *thr, duk_heaphdr *hdr);
+#if 0 /* Not needed: fast path handles inline; slow path uses duk_heaphdr_decref() which is needed anyway. */
+DUK_INTERNAL_DECL void duk_hstring_decref(duk_hthread *thr, duk_hstring *h);
+DUK_INTERNAL_DECL void duk_hstring_decref_norz(duk_hthread *thr, duk_hstring *h);
+DUK_INTERNAL_DECL void duk_hbuffer_decref(duk_hthread *thr, duk_hbuffer *h);
+DUK_INTERNAL_DECL void duk_hbuffer_decref_norz(duk_hthread *thr, duk_hbuffer *h);
+DUK_INTERNAL_DECL void duk_hobject_decref(duk_hthread *thr, duk_hobject *h);
+DUK_INTERNAL_DECL void duk_hobject_decref_norz(duk_hthread *thr, duk_hobject *h);
#endif
+DUK_INTERNAL_DECL void duk_heaphdr_refzero(duk_hthread *thr, duk_heaphdr *h);
+DUK_INTERNAL_DECL void duk_heaphdr_refzero_norz(duk_hthread *thr, duk_heaphdr *h);
+#if defined(DUK_USE_FAST_REFCOUNT_DEFAULT)
+DUK_INTERNAL_DECL void duk_hstring_refzero(duk_hthread *thr, duk_hstring *h); /* no 'norz' variant */
+DUK_INTERNAL_DECL void duk_hbuffer_refzero(duk_hthread *thr, duk_hbuffer *h); /* no 'norz' variant */
+DUK_INTERNAL_DECL void duk_hobject_refzero(duk_hthread *thr, duk_hobject *h);
+DUK_INTERNAL_DECL void duk_hobject_refzero_norz(duk_hthread *thr, duk_hobject *h);
+#else
+DUK_INTERNAL_DECL void duk_tval_incref(duk_tval *tv);
DUK_INTERNAL_DECL void duk_tval_decref(duk_hthread *thr, duk_tval *tv);
-#if 0 /* unused */
-DUK_INTERNAL_DECL void duk_tval_decref_allownull(duk_hthread *thr, duk_tval *tv);
-#endif
-#if !defined(DUK_USE_FAST_REFCOUNT_DEFAULT)
+DUK_INTERNAL_DECL void duk_tval_decref_norz(duk_hthread *thr, duk_tval *tv);
DUK_INTERNAL_DECL void duk_heaphdr_incref(duk_heaphdr *h);
-#endif
-#if 0 /* unused */
-DUK_INTERNAL_DECL void duk_heaphdr_incref_allownull(duk_heaphdr *h);
-#endif
DUK_INTERNAL_DECL void duk_heaphdr_decref(duk_hthread *thr, duk_heaphdr *h);
-DUK_INTERNAL_DECL void duk_heaphdr_decref_allownull(duk_hthread *thr, duk_heaphdr *h);
-DUK_INTERNAL_DECL void duk_heaphdr_refzero(duk_hthread *thr, duk_heaphdr *h);
-DUK_INTERNAL_DECL void duk_heaphdr_refcount_finalize(duk_hthread *thr, duk_heaphdr *hdr);
-#else
-/* no refcounting */
+DUK_INTERNAL_DECL void duk_heaphdr_decref_norz(duk_hthread *thr, duk_heaphdr *h);
#endif
+#else /* DUK_USE_REFERENCE_COUNTING */
+/* no refcounting */
+#endif /* DUK_USE_REFERENCE_COUNTING */
-#if defined(DUK_USE_MARK_AND_SWEEP)
DUK_INTERNAL_DECL duk_bool_t duk_heap_mark_and_sweep(duk_heap *heap, duk_small_uint_t flags);
-#endif
DUK_INTERNAL_DECL duk_uint32_t duk_heap_hashstring(duk_heap *heap, const duk_uint8_t *str, duk_size_t len);
#endif /* DUK_HEAP_H_INCLUDED */
-#line 1 "duk_debugger.h"
-#ifndef DUK_DEBUGGER_H_INCLUDED
+/* #include duk_debugger.h */
+#if !defined(DUK_DEBUGGER_H_INCLUDED)
#define DUK_DEBUGGER_H_INCLUDED
/* Debugger protocol version is defined in the public API header. */
@@ -7314,9 +8069,9 @@ DUK_INTERNAL_DECL duk_uint32_t duk_heap_hashstring(duk_heap *heap, const duk_uin
/* Commands and notifys initiated by Duktape. */
#define DUK_DBG_CMD_STATUS 0x01
-#define DUK_DBG_CMD_PRINT 0x02
-#define DUK_DBG_CMD_ALERT 0x03
-#define DUK_DBG_CMD_LOG 0x04
+#define DUK_DBG_CMD_UNUSED_2 0x02 /* Duktape 1.x: print notify */
+#define DUK_DBG_CMD_UNUSED_3 0x03 /* Duktape 1.x: alert notify */
+#define DUK_DBG_CMD_UNUSED_4 0x04 /* Duktape 1.x: log notify */
#define DUK_DBG_CMD_THROW 0x05
#define DUK_DBG_CMD_DETACHING 0x06
#define DUK_DBG_CMD_APPNOTIFY 0x07
@@ -7348,7 +8103,8 @@ DUK_INTERNAL_DECL duk_uint32_t duk_heap_hashstring(duk_heap *heap, const duk_uin
/* The low 8 bits map directly to duk_hobject.h DUK_PROPDESC_FLAG_xxx.
* The remaining flags are specific to the debugger.
*/
-#define DUK_DBG_PROPFLAG_INTERNAL (1 << 8)
+#define DUK_DBG_PROPFLAG_SYMBOL (1 << 8)
+#define DUK_DBG_PROPFLAG_HIDDEN (1 << 9)
#if defined(DUK_USE_DEBUGGER_SUPPORT)
DUK_INTERNAL_DECL void duk_debug_do_detach(duk_heap *heap);
@@ -7417,7 +8173,7 @@ DUK_INTERNAL_DECL duk_bool_t duk_debug_remove_breakpoint(duk_hthread *thr, duk_s
#endif
#endif /* DUK_DEBUGGER_H_INCLUDED */
-#line 1 "duk_debug.h"
+/* #include duk_debug.h */
/*
* Debugging macros, DUK_DPRINT() and its variants in particular.
*
@@ -7440,24 +8196,24 @@ DUK_INTERNAL_DECL duk_bool_t duk_debug_remove_breakpoint(duk_hthread *thr, duk_s
* works poorly with threading.
*/
-#ifndef DUK_DEBUG_H_INCLUDED
+#if !defined(DUK_DEBUG_H_INCLUDED)
#define DUK_DEBUG_H_INCLUDED
-#ifdef DUK_USE_DEBUG
+#if defined(DUK_USE_DEBUG)
-#if defined(DUK_USE_DPRINT)
+#if defined(DUK_USE_DEBUG_LEVEL) && (DUK_USE_DEBUG_LEVEL >= 0)
#define DUK_D(x) x
#else
#define DUK_D(x) do { } while (0) /* omit */
#endif
-#if defined(DUK_USE_DDPRINT)
+#if defined(DUK_USE_DEBUG_LEVEL) && (DUK_USE_DEBUG_LEVEL >= 1)
#define DUK_DD(x) x
#else
#define DUK_DD(x) do { } while (0) /* omit */
#endif
-#if defined(DUK_USE_DDDPRINT)
+#if defined(DUK_USE_DEBUG_LEVEL) && (DUK_USE_DEBUG_LEVEL >= 2)
#define DUK_DDD(x) x
#else
#define DUK_DDD(x) do { } while (0) /* omit */
@@ -7467,26 +8223,26 @@ DUK_INTERNAL_DECL duk_bool_t duk_debug_remove_breakpoint(duk_hthread *thr, duk_s
* Exposed debug macros: debugging enabled
*/
-#define DUK_LEVEL_DEBUG 1
-#define DUK_LEVEL_DDEBUG 2
-#define DUK_LEVEL_DDDEBUG 3
-
-#ifdef DUK_USE_VARIADIC_MACROS
+#if defined(DUK_USE_VARIADIC_MACROS)
/* Note: combining __FILE__, __LINE__, and __func__ into fmt would be
* possible compile time, but waste some space with shared function names.
*/
-#define DUK__DEBUG_LOG(lev,...) duk_debug_log((duk_small_int_t) (lev), DUK_FILE_MACRO, (duk_int_t) DUK_LINE_MACRO, DUK_FUNC_MACRO, __VA_ARGS__);
+#define DUK__DEBUG_LOG(lev,...) duk_debug_log((duk_int_t) (lev), DUK_FILE_MACRO, (duk_int_t) DUK_LINE_MACRO, DUK_FUNC_MACRO, __VA_ARGS__);
+#if defined(DUK_USE_DEBUG_LEVEL) && (DUK_USE_DEBUG_LEVEL >= 0)
#define DUK_DPRINT(...) DUK__DEBUG_LOG(DUK_LEVEL_DEBUG, __VA_ARGS__)
+#else
+#define DUK_DPRINT(...)
+#endif
-#ifdef DUK_USE_DDPRINT
+#if defined(DUK_USE_DEBUG_LEVEL) && (DUK_USE_DEBUG_LEVEL >= 1)
#define DUK_DDPRINT(...) DUK__DEBUG_LOG(DUK_LEVEL_DDEBUG, __VA_ARGS__)
#else
#define DUK_DDPRINT(...)
#endif
-#ifdef DUK_USE_DDDPRINT
+#if defined(DUK_USE_DEBUG_LEVEL) && (DUK_USE_DEBUG_LEVEL >= 2)
#define DUK_DDDPRINT(...) DUK__DEBUG_LOG(DUK_LEVEL_DDDEBUG, __VA_ARGS__)
#else
#define DUK_DDDPRINT(...)
@@ -7496,11 +8252,10 @@ DUK_INTERNAL_DECL duk_bool_t duk_debug_remove_breakpoint(duk_hthread *thr, duk_s
#define DUK__DEBUG_STASH(lev) \
(void) DUK_SNPRINTF(duk_debug_file_stash, DUK_DEBUG_STASH_SIZE, "%s", (const char *) DUK_FILE_MACRO), \
- duk_debug_file_stash[DUK_DEBUG_STASH_SIZE - 1] = (char) 0; \
- (void) DUK_SNPRINTF(duk_debug_line_stash, DUK_DEBUG_STASH_SIZE, "%ld", (long) DUK_LINE_MACRO), \
- duk_debug_line_stash[DUK_DEBUG_STASH_SIZE - 1] = (char) 0; \
+ (void) (duk_debug_file_stash[DUK_DEBUG_STASH_SIZE - 1] = (char) 0), \
+ (void) (duk_debug_line_stash = (duk_int_t) DUK_LINE_MACRO), \
(void) DUK_SNPRINTF(duk_debug_func_stash, DUK_DEBUG_STASH_SIZE, "%s", (const char *) DUK_FUNC_MACRO), \
- duk_debug_func_stash[DUK_DEBUG_STASH_SIZE - 1] = (char) 0; \
+ (void) (duk_debug_func_stash[DUK_DEBUG_STASH_SIZE - 1] = (char) 0), \
(void) (duk_debug_level_stash = (lev))
/* Without variadic macros resort to comma expression trickery to handle debug
@@ -7509,19 +8264,19 @@ DUK_INTERNAL_DECL duk_bool_t duk_debug_remove_breakpoint(duk_hthread *thr, duk_s
* statement from the compiler.
*/
-#ifdef DUK_USE_DPRINT
+#if defined(DUK_USE_DEBUG_LEVEL) && (DUK_USE_DEBUG_LEVEL >= 0)
#define DUK_DPRINT DUK__DEBUG_STASH(DUK_LEVEL_DEBUG), (void) duk_debug_log /* args go here in parens */
#else
#define DUK_DPRINT 0 && /* args go here as a comma expression in parens */
#endif
-#ifdef DUK_USE_DDPRINT
+#if defined(DUK_USE_DEBUG_LEVEL) && (DUK_USE_DEBUG_LEVEL >= 1)
#define DUK_DDPRINT DUK__DEBUG_STASH(DUK_LEVEL_DDEBUG), (void) duk_debug_log /* args go here in parens */
#else
#define DUK_DDPRINT 0 && /* args */
#endif
-#ifdef DUK_USE_DDDPRINT
+#if defined(DUK_USE_DEBUG_LEVEL) && (DUK_USE_DEBUG_LEVEL >= 2)
#define DUK_DDDPRINT DUK__DEBUG_STASH(DUK_LEVEL_DDDEBUG), (void) duk_debug_log /* args go here in parens */
#else
#define DUK_DDDPRINT 0 && /* args */
@@ -7539,7 +8294,7 @@ DUK_INTERNAL_DECL duk_bool_t duk_debug_remove_breakpoint(duk_hthread *thr, duk_s
#define DUK_DD(x) do { } while (0) /* omit */
#define DUK_DDD(x) do { } while (0) /* omit */
-#ifdef DUK_USE_VARIADIC_MACROS
+#if defined(DUK_USE_VARIADIC_MACROS)
#define DUK_DPRINT(...)
#define DUK_DDPRINT(...)
@@ -7559,7 +8314,7 @@ DUK_INTERNAL_DECL duk_bool_t duk_debug_remove_breakpoint(duk_hthread *thr, duk_s
* Structs
*/
-#ifdef DUK_USE_DEBUG
+#if defined(DUK_USE_DEBUG)
struct duk_fixedbuffer {
duk_uint8_t *buffer;
duk_size_t length;
@@ -7572,23 +8327,23 @@ struct duk_fixedbuffer {
* Prototypes
*/
-#ifdef DUK_USE_DEBUG
+#if defined(DUK_USE_DEBUG)
DUK_INTERNAL_DECL duk_int_t duk_debug_vsnprintf(char *str, duk_size_t size, const char *format, va_list ap);
#if 0 /*unused*/
DUK_INTERNAL_DECL duk_int_t duk_debug_snprintf(char *str, duk_size_t size, const char *format, ...);
#endif
DUK_INTERNAL_DECL void duk_debug_format_funcptr(char *buf, duk_size_t buf_size, duk_uint8_t *fptr, duk_size_t fptr_size);
-#ifdef DUK_USE_VARIADIC_MACROS
-DUK_INTERNAL_DECL void duk_debug_log(duk_small_int_t level, const char *file, duk_int_t line, const char *func, const char *fmt, ...);
+#if defined(DUK_USE_VARIADIC_MACROS)
+DUK_INTERNAL_DECL void duk_debug_log(duk_int_t level, const char *file, duk_int_t line, const char *func, const char *fmt, ...);
#else /* DUK_USE_VARIADIC_MACROS */
/* parameter passing, not thread safe */
#define DUK_DEBUG_STASH_SIZE 128
#if !defined(DUK_SINGLE_FILE)
DUK_INTERNAL_DECL char duk_debug_file_stash[DUK_DEBUG_STASH_SIZE];
-DUK_INTERNAL_DECL char duk_debug_line_stash[DUK_DEBUG_STASH_SIZE];
+DUK_INTERNAL_DECL duk_int_t duk_debug_line_stash;
DUK_INTERNAL_DECL char duk_debug_func_stash[DUK_DEBUG_STASH_SIZE];
-DUK_INTERNAL_DECL duk_small_int_t duk_debug_level_stash;
+DUK_INTERNAL_DECL duk_int_t duk_debug_level_stash;
#endif
DUK_INTERNAL_DECL void duk_debug_log(const char *fmt, ...);
#endif /* DUK_USE_VARIADIC_MACROS */
@@ -7603,22 +8358,23 @@ DUK_INTERNAL_DECL duk_bool_t duk_fb_is_full(duk_fixedbuffer *fb);
#endif /* DUK_USE_DEBUG */
#endif /* DUK_DEBUG_H_INCLUDED */
-#line 1 "duk_error.h"
+/* #include duk_error.h */
/*
* Error handling macros, assertion macro, error codes.
*
- * There are three level of 'errors':
+ * There are three types of 'errors':
*
- * 1. Ordinary errors, relative to a thread, cause a longjmp, catchable.
- * 2. Fatal errors, relative to a heap, cause fatal handler to be called.
- * 3. Panic errors, unrelated to a heap and cause a process exit.
+ * 1. Ordinary errors relative to a thread, cause a longjmp, catchable.
+ * 2. Fatal errors relative to a heap, cause fatal handler to be called.
+ * 3. Fatal errors without context, cause the default (not heap specific)
+ * fatal handler to be called.
*
- * Panics are used by the default fatal error handler and by debug code
- * such as assertions. By providing a proper fatal error handler, user
- * code can avoid panics in non-debug builds.
+ * Fatal errors without context are used by debug code such as assertions.
+ * By providing a fatal error handler for a Duktape heap, user code can
+ * avoid fatal errors without context in non-debug builds.
*/
-#ifndef DUK_ERROR_H_INCLUDED
+#if !defined(DUK_ERROR_H_INCLUDED)
#define DUK_ERROR_H_INCLUDED
/*
@@ -7733,66 +8489,231 @@ DUK_INTERNAL_DECL duk_bool_t duk_fb_is_full(duk_fixedbuffer *fb);
#endif /* DUK_USE_VERBOSE_ERRORS */
/*
- * Fatal error
+ * Fatal error without context
*
- * There are no fatal error macros at the moment. There are so few call
- * sites that the fatal error handler is called directly.
+ * The macro is an expression to make it compatible with DUK_ASSERT_EXPR().
*/
+#define DUK_FATAL_WITHOUT_CONTEXT(msg) \
+ duk_default_fatal_handler(NULL, (msg))
+
/*
- * Panic error
+ * Error throwing helpers
*
- * Panic errors are not relative to either a heap or a thread, and cause
- * DUK_PANIC() macro to be invoked. Unless a user provides DUK_USE_PANIC_HANDLER,
- * DUK_PANIC() calls a helper which prints out the error and causes a process
- * exit.
+ * The goal is to provide verbose and configurable error messages. Call
+ * sites should be clean in source code and compile to a small footprint.
+ * Small footprint is also useful for performance because small cold paths
+ * reduce code cache pressure. Adding macros here only makes sense if there
+ * are enough call sites to get concrete benefits.
*
- * The user can override the macro to provide custom handling. A macro is
- * used to allow the user to have inline panic handling if desired (without
- * causing a potentially risky function call).
+ * DUK_ERROR_xxx() macros are generic and can be used anywhere.
*
- * Panics are only used in debug code such as assertions, and by the default
- * fatal error handler.
+ * DUK_DCERROR_xxx() macros can only be used in Duktape/C functions where
+ * the "return DUK_RET_xxx;" shorthand is available for low memory targets.
+ * The DUK_DCERROR_xxx() macros always either throw or perform a
+ * 'return DUK_RET_xxx' from the calling function.
*/
-#if defined(DUK_USE_PANIC_HANDLER)
-/* already defined, good */
-#define DUK_PANIC(code,msg) DUK_USE_PANIC_HANDLER((code),(msg))
-#else
-#define DUK_PANIC(code,msg) duk_default_panic_handler((code),(msg))
-#endif /* DUK_USE_PANIC_HANDLER */
+#if defined(DUK_USE_VERBOSE_ERRORS)
+/* Verbose errors with key/value summaries (non-paranoid) or without key/value
+ * summaries (paranoid, for some security sensitive environments), the paranoid
+ * vs. non-paranoid distinction affects only a few specific errors.
+ */
+#if defined(DUK_USE_PARANOID_ERRORS)
+#define DUK_ERROR_REQUIRE_TYPE_INDEX(thr,idx,expectname,lowmemstr) do { \
+ duk_err_require_type_index((thr), DUK_FILE_MACRO, (duk_int_t) DUK_LINE_MACRO, (idx), (expectname)); \
+ } while (0)
+#else /* DUK_USE_PARANOID_ERRORS */
+#define DUK_ERROR_REQUIRE_TYPE_INDEX(thr,idx,expectname,lowmemstr) do { \
+ duk_err_require_type_index((thr), DUK_FILE_MACRO, (duk_int_t) DUK_LINE_MACRO, (idx), (expectname)); \
+ } while (0)
+#endif /* DUK_USE_PARANOID_ERRORS */
+
+#define DUK_ERROR_INTERNAL(thr) do { \
+ duk_err_error_internal((thr), DUK_FILE_MACRO, (duk_int_t) DUK_LINE_MACRO); \
+ } while (0)
+#define DUK_ERROR_ALLOC_FAILED(thr) do { \
+ duk_err_error_alloc_failed((thr), DUK_FILE_MACRO, (duk_int_t) DUK_LINE_MACRO); \
+ } while (0)
+#define DUK_ERROR_UNSUPPORTED(thr) do { \
+ DUK_ERROR((thr), DUK_ERR_ERROR, DUK_STR_UNSUPPORTED); \
+ } while (0)
+#define DUK_ERROR_ERROR(thr,msg) do { \
+ duk_err_error((thr), DUK_FILE_MACRO, (duk_int_t) DUK_LINE_MACRO, (msg)); \
+ } while (0)
+#define DUK_ERROR_RANGE_INDEX(thr,idx) do { \
+ duk_err_range_index((thr), DUK_FILE_MACRO, (duk_int_t) DUK_LINE_MACRO, (idx)); \
+ } while (0)
+#define DUK_ERROR_RANGE_PUSH_BEYOND(thr) do { \
+ duk_err_range_push_beyond((thr), DUK_FILE_MACRO, (duk_int_t) DUK_LINE_MACRO); \
+ } while (0)
+#define DUK_ERROR_RANGE_INVALID_ARGS(thr) do { \
+ DUK_ERROR_RANGE((thr), DUK_STR_INVALID_ARGS); \
+ } while (0)
+#define DUK_DCERROR_RANGE_INVALID_ARGS(thr) do { \
+ DUK_ERROR_RANGE_INVALID_ARGS((thr)); \
+ return 0; \
+ } while (0)
+#define DUK_ERROR_RANGE_INVALID_COUNT(thr) do { \
+ DUK_ERROR_RANGE((thr), DUK_STR_INVALID_COUNT); \
+ } while (0)
+#define DUK_ERROR_RANGE_INVALID_LENGTH(thr) do { \
+ DUK_ERROR_RANGE((thr), DUK_STR_INVALID_LENGTH); \
+ } while (0)
+#define DUK_DCERROR_RANGE_INVALID_LENGTH(thr) do { \
+ DUK_ERROR_RANGE_INVALID_LENGTH((thr)); \
+ return 0; \
+ } while (0)
+#define DUK_ERROR_RANGE(thr,msg) do { \
+ duk_err_range((thr), DUK_FILE_MACRO, (duk_int_t) DUK_LINE_MACRO, (msg)); \
+ } while (0)
+#define DUK_ERROR_EVAL(thr,msg) do { \
+ DUK_ERROR((thr), DUK_ERR_EVAL_ERROR, (msg)); \
+ } while (0)
+#define DUK_ERROR_REFERENCE(thr,msg) do { \
+ DUK_ERROR((thr), DUK_ERR_REFERENCE_ERROR, (msg)); \
+ } while (0)
+#define DUK_ERROR_SYNTAX(thr,msg) do { \
+ DUK_ERROR((thr), DUK_ERR_SYNTAX_ERROR, (msg)); \
+ } while (0)
+#define DUK_ERROR_TYPE_INVALID_ARGS(thr) do { \
+ duk_err_type_invalid_args((thr), DUK_FILE_MACRO, (duk_int_t) DUK_LINE_MACRO); \
+ } while (0)
+#define DUK_DCERROR_TYPE_INVALID_ARGS(thr) do { \
+ DUK_ERROR_TYPE_INVALID_ARGS((thr)); \
+ return 0; \
+ } while (0)
+#define DUK_ERROR_TYPE_INVALID_STATE(thr) do { \
+ duk_err_type_invalid_state((thr), DUK_FILE_MACRO, (duk_int_t) DUK_LINE_MACRO); \
+ } while (0)
+#define DUK_DCERROR_TYPE_INVALID_STATE(thr) do { \
+ DUK_ERROR_TYPE_INVALID_STATE((thr)); \
+ return 0; \
+ } while (0)
+#define DUK_ERROR_TYPE_INVALID_TRAP_RESULT(thr) do { \
+ duk_err_type_invalid_trap_result((thr), DUK_FILE_MACRO, (duk_int_t) DUK_LINE_MACRO); \
+ } while (0)
+#define DUK_DCERROR_TYPE_INVALID_TRAP_RESULT(thr) do { \
+ DUK_ERROR_TYPE((thr), DUK_STR_INVALID_TRAP_RESULT); \
+ } while (0)
+#define DUK_ERROR_TYPE(thr,msg) do { \
+ DUK_ERROR((thr), DUK_ERR_TYPE_ERROR, (msg)); \
+ } while (0)
+#define DUK_ERROR_URI(thr,msg) do { \
+ DUK_ERROR((thr), DUK_ERR_URI_ERROR, (msg)); \
+ } while (0)
+#else /* DUK_USE_VERBOSE_ERRORS */
+/* Non-verbose errors for low memory targets: no file, line, or message. */
+
+#define DUK_ERROR_REQUIRE_TYPE_INDEX(thr,idx,expectname,lowmemstr) do { \
+ duk_err_type((thr)); \
+ } while (0)
+
+#define DUK_ERROR_INTERNAL(thr) do { \
+ duk_err_error((thr)); \
+ } while (0)
+#define DUK_ERROR_ALLOC_FAILED(thr) do { \
+ duk_err_error((thr)); \
+ } while (0)
+#define DUK_ERROR_UNSUPPORTED(thr) do { \
+ duk_err_error((thr)); \
+ } while (0)
+#define DUK_ERROR_ERROR(thr,msg) do { \
+ duk_err_error((thr)); \
+ } while (0)
+#define DUK_ERROR_RANGE_INDEX(thr,idx) do { \
+ duk_err_range((thr)); \
+ } while (0)
+#define DUK_ERROR_RANGE_PUSH_BEYOND(thr) do { \
+ duk_err_range((thr)); \
+ } while (0)
+#define DUK_ERROR_RANGE_INVALID_ARGS(thr) do { \
+ duk_err_range((thr)); \
+ } while (0)
+#define DUK_DCERROR_RANGE_INVALID_ARGS(thr) do { \
+ DUK_UNREF((thr)); \
+ return DUK_RET_RANGE_ERROR; \
+ } while (0)
+#define DUK_ERROR_RANGE_INVALID_COUNT(thr) do { \
+ duk_err_range((thr)); \
+ } while (0)
+#define DUK_ERROR_RANGE_INVALID_LENGTH(thr) do { \
+ duk_err_range((thr)); \
+ } while (0)
+#define DUK_DCERROR_RANGE_INVALID_LENGTH(thr) do { \
+ DUK_UNREF((thr)); \
+ return DUK_RET_RANGE_ERROR; \
+ } while (0)
+#define DUK_ERROR_RANGE(thr,msg) do { \
+ duk_err_range((thr)); \
+ } while (0)
+#define DUK_ERROR_EVAL(thr,msg) do { \
+ duk_err_eval((thr)); \
+ } while (0)
+#define DUK_ERROR_REFERENCE(thr,msg) do { \
+ duk_err_reference((thr)); \
+ } while (0)
+#define DUK_ERROR_SYNTAX(thr,msg) do { \
+ duk_err_syntax((thr)); \
+ } while (0)
+#define DUK_ERROR_TYPE_INVALID_ARGS(thr) do { \
+ duk_err_type((thr)); \
+ } while (0)
+#define DUK_DCERROR_TYPE_INVALID_ARGS(thr) do { \
+ DUK_UNREF((thr)); \
+ return DUK_RET_TYPE_ERROR; \
+ } while (0)
+#define DUK_ERROR_TYPE_INVALID_STATE(thr) do { \
+ duk_err_type((thr)); \
+ } while (0)
+#define DUK_DCERROR_TYPE_INVALID_STATE(thr) do { \
+ duk_err_type((thr)); \
+ } while (0)
+#define DUK_ERROR_TYPE_INVALID_TRAP_RESULT(thr) do { \
+ duk_err_type((thr)); \
+ } while (0)
+#define DUK_DCERROR_TYPE_INVALID_TRAP_RESULT(thr) do { \
+ DUK_UNREF((thr)); \
+ return DUK_RET_TYPE_ERROR; \
+ } while (0)
+#define DUK_ERROR_TYPE_INVALID_TRAP_RESULT(thr) do { \
+ duk_err_type((thr)); \
+ } while (0)
+#define DUK_ERROR_TYPE(thr,msg) do { \
+ duk_err_type((thr)); \
+ } while (0)
+#define DUK_ERROR_URI(thr,msg) do { \
+ duk_err_uri((thr)); \
+ } while (0)
+#endif /* DUK_USE_VERBOSE_ERRORS */
/*
- * Assert macro: failure causes panic.
+ * Assert macro: failure causes a fatal error.
+ *
+ * NOTE: since the assert macro doesn't take a heap/context argument, there's
+ * no way to look up a heap/context specific fatal error handler which may have
+ * been given by the application. Instead, assertion failures always use the
+ * internal default fatal error handler; it can be replaced via duk_config.h
+ * and then applies to all Duktape heaps.
*/
#if defined(DUK_USE_ASSERTIONS)
-/* the message should be a compile time constant without formatting (less risk);
+/* The message should be a compile time constant without formatting (less risk);
* we don't care about assertion text size because they're not used in production
* builds.
*/
#define DUK_ASSERT(x) do { \
if (!(x)) { \
- DUK_PANIC(DUK_ERR_ASSERTION_ERROR, \
- "assertion failed: " #x \
+ DUK_FATAL_WITHOUT_CONTEXT("assertion failed: " #x \
" (" DUK_FILE_MACRO ":" DUK_MACRO_STRINGIFY(DUK_LINE_MACRO) ")"); \
} \
} while (0)
-/* Assertion compatible inside a comma expression, evaluates to void.
- * Currently not compatible with DUK_USE_PANIC_HANDLER() which may have
- * a statement block.
- */
-#if defined(DUK_USE_PANIC_HANDLER)
-/* XXX: resolve macro definition issue or call through a helper function? */
-#define DUK_ASSERT_EXPR(x) ((void) 0)
-#else
+/* Assertion compatible inside a comma expression, evaluates to void. */
#define DUK_ASSERT_EXPR(x) \
- ((void) ((x) ? 0 : (DUK_PANIC(DUK_ERR_ASSERTION_ERROR, \
- "assertion failed: " #x \
+ ((void) ((x) ? 0 : (DUK_FATAL_WITHOUT_CONTEXT("assertion failed: " #x \
" (" DUK_FILE_MACRO ":" DUK_MACRO_STRINGIFY(DUK_LINE_MACRO) ")"), 0)))
-#endif
#else /* DUK_USE_ASSERTIONS */
@@ -7837,6 +8758,9 @@ DUK_INTERNAL_DECL duk_bool_t duk_fb_is_full(duk_fixedbuffer *fb);
#define DUK_ASSERT_DOUBLE_IS_NORMALIZED(dval) /* nop */
#endif
+#define DUK_ASSERT_VS_SPACE(thr) \
+ DUK_ASSERT(thr->valstack_top < thr->valstack_end)
+
/*
* Helper for valstack space
*
@@ -7858,126 +8782,6 @@ DUK_INTERNAL_DECL duk_bool_t duk_fb_is_full(duk_fixedbuffer *fb);
#endif
/*
- * Error throwing helpers
- *
- * The goal is to provide verbose and configurable error messages. Call
- * sites should be clean in source code and compile to a small footprint.
- * Small footprint is also useful for performance because small cold paths
- * reduce code cache pressure. Adding macros here only makes sense if there
- * are enough call sites to get concrete benefits.
- */
-
-#if defined(DUK_USE_VERBOSE_ERRORS)
-/* Verbose errors with key/value summaries (non-paranoid) or without key/value
- * summaries (paranoid, for some security sensitive environments), the paranoid
- * vs. non-paranoid distinction affects only a few specific errors.
- */
-#if defined(DUK_USE_PARANOID_ERRORS)
-#define DUK_ERROR_REQUIRE_TYPE_INDEX(thr,index,expectname,lowmemstr) do { \
- duk_err_require_type_index((thr), DUK_FILE_MACRO, (duk_int_t) DUK_LINE_MACRO, (index), (expectname)); \
- } while (0)
-#else /* DUK_USE_PARANOID_ERRORS */
-#define DUK_ERROR_REQUIRE_TYPE_INDEX(thr,index,expectname,lowmemstr) do { \
- duk_err_require_type_index((thr), DUK_FILE_MACRO, (duk_int_t) DUK_LINE_MACRO, (index), (expectname)); \
- } while (0)
-#endif /* DUK_USE_PARANOID_ERRORS */
-
-#define DUK_ERROR_UNIMPLEMENTED(thr,msg) do { \
- DUK_ERROR((thr), DUK_ERR_UNIMPLEMENTED_ERROR, (msg)); \
- } while (0)
-#define DUK_ERROR_UNIMPLEMENTED_DEFMSG(thr) do { \
- duk_err_unimplemented_defmsg((thr), DUK_FILE_MACRO, (duk_int_t) DUK_LINE_MACRO); \
- } while (0)
-#define DUK_ERROR_UNSUPPORTED(thr,msg) do { \
- DUK_ERROR((thr), DUK_ERR_UNSUPPORTED_ERROR, (msg)); \
- } while (0)
-#if !defined(DUK_USE_BYTECODE_DUMP_SUPPORT)
-#define DUK_ERROR_UNSUPPORTED_DEFMSG(thr) do { \
- duk_err_unsupported_defmsg((thr), DUK_FILE_MACRO, (duk_int_t) DUK_LINE_MACRO); \
- } while (0)
-#endif
-#define DUK_ERROR_INTERNAL(thr,msg) do { \
- duk_err_internal((thr), DUK_FILE_MACRO, (duk_int_t) DUK_LINE_MACRO, (msg)); \
- } while (0)
-#define DUK_ERROR_INTERNAL_DEFMSG(thr) do { \
- duk_err_internal_defmsg((thr), DUK_FILE_MACRO, (duk_int_t) DUK_LINE_MACRO); \
- } while (0)
-#define DUK_ERROR_ALLOC(thr,msg) do { \
- duk_err_alloc((thr), DUK_FILE_MACRO, (duk_int_t) DUK_LINE_MACRO, (msg)); \
- } while (0)
-#define DUK_ERROR_ALLOC_DEFMSG(thr) do { \
- DUK_ERROR_ALLOC((thr), DUK_STR_ALLOC_FAILED); \
- } while (0)
-/* DUK_ERR_ASSERTION_ERROR: no macros needed */
-#define DUK_ERROR_API_INDEX(thr,index) do { \
- duk_err_api_index((thr), DUK_FILE_MACRO, (duk_int_t) DUK_LINE_MACRO, (index)); \
- } while (0)
-#define DUK_ERROR_API(thr,msg) do { \
- duk_err_api((thr), DUK_FILE_MACRO, (duk_int_t) DUK_LINE_MACRO, (msg)); \
- } while (0)
-/* DUK_ERR_UNCAUGHT_ERROR: no macros needed */
-/* DUK_ERR_ERROR: no macros needed */
-/* DUK_ERR_EVAL: no macros needed */
-#define DUK_ERROR_RANGE(thr,msg) do { \
- duk_err_range((thr), DUK_FILE_MACRO, (duk_int_t) DUK_LINE_MACRO, (msg)); \
- } while (0)
-/* DUK_ERR_REFERENCE_ERROR: no macros needed */
-#define DUK_ERROR_SYNTAX(thr,msg) do { \
- DUK_ERROR((thr), DUK_ERR_SYNTAX_ERROR, (msg)); \
- } while (0)
-#define DUK_ERROR_TYPE(thr,msg) do { \
- DUK_ERROR((thr), DUK_ERR_TYPE_ERROR, (msg)); \
- } while (0)
-/* DUK_ERR_URI_ERROR: no macros needed */
-#else /* DUK_USE_VERBOSE_ERRORS */
-/* Non-verbose errors for low memory targets: no file, line, or message. */
-
-#define DUK_ERROR_REQUIRE_TYPE_INDEX(thr,index,expectname,lowmemstr) do { \
- duk_err_type((thr)); \
- } while (0)
-
-#define DUK_ERROR_UNIMPLEMENTED(thr,msg) do { \
- duk_err_unimplemented((thr)); \
- } while (0)
-#define DUK_ERROR_UNIMPLEMENTED_DEFMSG(thr) do { \
- duk_err_unimplemented((thr)); \
- } while (0)
-#define DUK_ERROR_UNSUPPORTED(thr,msg) do { \
- duk_err_unsupported((thr)); \
- } while (0)
-#define DUK_ERROR_UNSUPPORTED_DEFMSG(thr) do { \
- duk_err_unsupported((thr)); \
- } while (0)
-#define DUK_ERROR_INTERNAL(thr,msg) do { \
- duk_err_internal((thr)); \
- } while (0)
-#define DUK_ERROR_INTERNAL_DEFMSG(thr) do { \
- duk_err_internal((thr)); \
- } while (0)
-#define DUK_ERROR_ALLOC(thr,msg) do { \
- duk_err_alloc((thr)); \
- } while (0)
-#define DUK_ERROR_ALLOC_DEFMSG(thr) do { \
- duk_err_alloc((thr)); \
- } while (0)
-#define DUK_ERROR_API_INDEX(thr,index) do { \
- duk_err_api((thr)); \
- } while (0)
-#define DUK_ERROR_API(thr,msg) do { \
- duk_err_api((thr)); \
- } while (0)
-#define DUK_ERROR_RANGE(thr,msg) do { \
- duk_err_range((thr)); \
- } while (0)
-#define DUK_ERROR_SYNTAX(thr,msg) do { \
- duk_err_syntax((thr)); \
- } while (0)
-#define DUK_ERROR_TYPE(thr,msg) do { \
- duk_err_type((thr)); \
- } while (0)
-#endif /* DUK_USE_VERBOSE_ERRORS */
-
-/*
* Prototypes
*/
@@ -8005,50 +8809,44 @@ DUK_INTERNAL_DECL void duk_err_augment_error_throw(duk_hthread *thr);
#if defined(DUK_USE_VERBOSE_ERRORS)
#if defined(DUK_USE_PARANOID_ERRORS)
-DUK_NORETURN(DUK_INTERNAL_DECL void duk_err_require_type_index(duk_hthread *thr, const char *filename, duk_int_t linenumber, duk_idx_t index, const char *expect_name));
+DUK_NORETURN(DUK_INTERNAL_DECL void duk_err_require_type_index(duk_hthread *thr, const char *filename, duk_int_t linenumber, duk_idx_t idx, const char *expect_name));
#else
-DUK_NORETURN(DUK_INTERNAL_DECL void duk_err_require_type_index(duk_hthread *thr, const char *filename, duk_int_t linenumber, duk_idx_t index, const char *expect_name));
+DUK_NORETURN(DUK_INTERNAL_DECL void duk_err_require_type_index(duk_hthread *thr, const char *filename, duk_int_t linenumber, duk_idx_t idx, const char *expect_name));
#endif
-DUK_NORETURN(DUK_INTERNAL_DECL void duk_err_api_index(duk_hthread *thr, const char *filename, duk_int_t linenumber, duk_idx_t index));
-DUK_NORETURN(DUK_INTERNAL_DECL void duk_err_api(duk_hthread *thr, const char *filename, duk_int_t linenumber, const char *message));
+DUK_NORETURN(DUK_INTERNAL_DECL void duk_err_error_internal(duk_hthread *thr, const char *filename, duk_int_t linenumber));
+DUK_NORETURN(DUK_INTERNAL_DECL void duk_err_error_alloc_failed(duk_hthread *thr, const char *filename, duk_int_t linenumber));
+DUK_NORETURN(DUK_INTERNAL_DECL void duk_err_error(duk_hthread *thr, const char *filename, duk_int_t linenumber, const char *message));
+DUK_NORETURN(DUK_INTERNAL_DECL void duk_err_range_index(duk_hthread *thr, const char *filename, duk_int_t linenumber, duk_idx_t idx));
+DUK_NORETURN(DUK_INTERNAL_DECL void duk_err_range_push_beyond(duk_hthread *thr, const char *filename, duk_int_t linenumber));
DUK_NORETURN(DUK_INTERNAL_DECL void duk_err_range(duk_hthread *thr, const char *filename, duk_int_t linenumber, const char *message));
-DUK_NORETURN(DUK_INTERNAL_DECL void duk_err_unimplemented_defmsg(duk_hthread *thr, const char *filename, duk_int_t linenumber));
-#if !defined(DUK_USE_BYTECODE_DUMP_SUPPORT)
-DUK_NORETURN(DUK_INTERNAL_DECL void duk_err_unsupported_defmsg(duk_hthread *thr, const char *filename, duk_int_t linenumber));
-#endif
-DUK_NORETURN(DUK_INTERNAL_DECL void duk_err_internal_defmsg(duk_hthread *thr, const char *filename, duk_int_t linenumber));
-DUK_NORETURN(DUK_INTERNAL_DECL void duk_err_internal(duk_hthread *thr, const char *filename, duk_int_t linenumber, const char *message));
-DUK_NORETURN(DUK_INTERNAL_DECL void duk_err_alloc(duk_hthread *thr, const char *filename, duk_int_t linenumber, const char *message));
+DUK_NORETURN(DUK_INTERNAL_DECL void duk_err_type_invalid_args(duk_hthread *thr, const char *filename, duk_int_t linenumber));
+DUK_NORETURN(DUK_INTERNAL_DECL void duk_err_type_invalid_state(duk_hthread *thr, const char *filename, duk_int_t linenumber));
+DUK_NORETURN(DUK_INTERNAL_DECL void duk_err_type_invalid_trap_result(duk_hthread *thr, const char *filename, duk_int_t linenumber));
#else /* DUK_VERBOSE_ERRORS */
+DUK_NORETURN(DUK_INTERNAL_DECL void duk_err_error(duk_hthread *thr));
DUK_NORETURN(DUK_INTERNAL_DECL void duk_err_range(duk_hthread *thr));
+DUK_NORETURN(DUK_INTERNAL_DECL void duk_err_eval(duk_hthread *thr));
+DUK_NORETURN(DUK_INTERNAL_DECL void duk_err_reference(duk_hthread *thr));
DUK_NORETURN(DUK_INTERNAL_DECL void duk_err_syntax(duk_hthread *thr));
DUK_NORETURN(DUK_INTERNAL_DECL void duk_err_type(duk_hthread *thr));
-DUK_NORETURN(DUK_INTERNAL_DECL void duk_err_api(duk_hthread *thr));
-DUK_NORETURN(DUK_INTERNAL_DECL void duk_err_unimplemented(duk_hthread *thr));
-DUK_NORETURN(DUK_INTERNAL_DECL void duk_err_unsupported(duk_hthread *thr));
-DUK_NORETURN(DUK_INTERNAL_DECL void duk_err_internal(duk_hthread *thr));
-DUK_NORETURN(DUK_INTERNAL_DECL void duk_err_alloc(duk_hthread *thr));
+DUK_NORETURN(DUK_INTERNAL_DECL void duk_err_uri(duk_hthread *thr));
#endif /* DUK_VERBOSE_ERRORS */
DUK_NORETURN(DUK_INTERNAL_DECL void duk_err_longjmp(duk_hthread *thr));
-DUK_NORETURN(DUK_INTERNAL_DECL void duk_default_fatal_handler(duk_context *ctx, duk_errcode_t code, const char *msg));
-
-#if !defined(DUK_USE_PANIC_HANDLER)
-DUK_NORETURN(DUK_INTERNAL_DECL void duk_default_panic_handler(duk_errcode_t code, const char *msg));
-#endif
+DUK_NORETURN(DUK_INTERNAL_DECL void duk_default_fatal_handler(void *udata, const char *msg));
DUK_INTERNAL_DECL void duk_err_setup_heap_ljstate(duk_hthread *thr, duk_small_int_t lj_type);
DUK_INTERNAL_DECL duk_hobject *duk_error_prototype_from_code(duk_hthread *thr, duk_errcode_t err_code);
#endif /* DUK_ERROR_H_INCLUDED */
-#line 1 "duk_unicode.h"
+/* #include duk_unicode.h */
/*
* Unicode helpers
*/
-#ifndef DUK_UNICODE_H_INCLUDED
+#if !defined(DUK_UNICODE_H_INCLUDED)
#define DUK_UNICODE_H_INCLUDED
/*
@@ -8212,24 +9010,33 @@ DUK_INTERNAL_DECL duk_hobject *duk_error_prototype_from_code(duk_hthread *thr, d
#define DUK_ASC_DEL 0x7f
/*
+ * Miscellaneous
+ */
+
+/* Uppercase A is 0x41, lowercase a is 0x61; OR 0x20 to convert uppercase
+ * to lowercase.
+ */
+#define DUK_LOWERCASE_CHAR_ASCII(x) ((x) | 0x20)
+
+/*
* Unicode tables
*/
-#ifdef DUK_USE_SOURCE_NONBMP
+#if defined(DUK_USE_SOURCE_NONBMP)
/*
* Automatically generated by extract_chars.py, do not edit!
*/
-extern const duk_uint8_t duk_unicode_ids_noa[791];
+extern const duk_uint8_t duk_unicode_ids_noa[1036];
#else
/*
* Automatically generated by extract_chars.py, do not edit!
*/
-extern const duk_uint8_t duk_unicode_ids_noabmp[611];
+extern const duk_uint8_t duk_unicode_ids_noabmp[625];
#endif
-#ifdef DUK_USE_SOURCE_NONBMP
+#if defined(DUK_USE_SOURCE_NONBMP)
/*
* Automatically generated by extract_chars.py, do not edit!
*/
@@ -8243,26 +9050,26 @@ extern const duk_uint8_t duk_unicode_ids_m_let_noa[42];
extern const duk_uint8_t duk_unicode_ids_m_let_noabmp[24];
#endif
-#ifdef DUK_USE_SOURCE_NONBMP
+#if defined(DUK_USE_SOURCE_NONBMP)
/*
* Automatically generated by extract_chars.py, do not edit!
*/
-extern const duk_uint8_t duk_unicode_idp_m_ids_noa[397];
+extern const duk_uint8_t duk_unicode_idp_m_ids_noa[530];
#else
/*
* Automatically generated by extract_chars.py, do not edit!
*/
-extern const duk_uint8_t duk_unicode_idp_m_ids_noabmp[348];
+extern const duk_uint8_t duk_unicode_idp_m_ids_noabmp[357];
#endif
/*
* Automatically generated by extract_caseconv.py, do not edit!
*/
-extern const duk_uint8_t duk_unicode_caseconv_uc[1288];
-extern const duk_uint8_t duk_unicode_caseconv_lc[616];
+extern const duk_uint8_t duk_unicode_caseconv_uc[1386];
+extern const duk_uint8_t duk_unicode_caseconv_lc[680];
#if defined(DUK_USE_REGEXP_CANON_WORKAROUND)
/*
@@ -8307,16 +9114,18 @@ DUK_INTERNAL_DECL duk_small_int_t duk_unicode_is_identifier_start(duk_codepoint_
DUK_INTERNAL_DECL duk_small_int_t duk_unicode_is_identifier_part(duk_codepoint_t cp);
DUK_INTERNAL_DECL duk_small_int_t duk_unicode_is_letter(duk_codepoint_t cp);
DUK_INTERNAL_DECL void duk_unicode_case_convert_string(duk_hthread *thr, duk_bool_t uppercase);
+#if defined(DUK_USE_REGEXP_SUPPORT)
DUK_INTERNAL_DECL duk_codepoint_t duk_unicode_re_canonicalize_char(duk_hthread *thr, duk_codepoint_t cp);
DUK_INTERNAL_DECL duk_small_int_t duk_unicode_re_is_wordchar(duk_codepoint_t cp);
+#endif
#endif /* DUK_UNICODE_H_INCLUDED */
-#line 1 "duk_json.h"
+/* #include duk_json.h */
/*
* Defines for JSON, especially duk_bi_json.c.
*/
-#ifndef DUK_JSON_H_INCLUDED
+#if !defined(DUK_JSON_H_INCLUDED)
#define DUK_JSON_H_INCLUDED
/* Encoding/decoding flags */
@@ -8380,12 +9189,12 @@ typedef struct {
} duk_json_dec_ctx;
#endif /* DUK_JSON_H_INCLUDED */
-#line 1 "duk_js.h"
+/* #include duk_js.h */
/*
* Ecmascript execution, support primitives.
*/
-#ifndef DUK_JS_H_INCLUDED
+#if !defined(DUK_JS_H_INCLUDED)
#define DUK_JS_H_INCLUDED
/* Flags for call handling. */
@@ -8400,8 +9209,8 @@ typedef struct {
#define DUK_EQUALS_FLAG_STRICT (1 << 1) /* use strict equality instead of non-strict equality */
/* Flags for duk_js_compare_helper(). */
-#define DUK_COMPARE_FLAG_EVAL_LEFT_FIRST (1 << 0) /* eval left argument first */
-#define DUK_COMPARE_FLAG_NEGATE (1 << 1) /* negate result */
+#define DUK_COMPARE_FLAG_NEGATE (1 << 0) /* negate result */
+#define DUK_COMPARE_FLAG_EVAL_LEFT_FIRST (1 << 1) /* eval left argument first */
/* conversions, coercions, comparison, etc */
DUK_INTERNAL_DECL duk_bool_t duk_js_toboolean(duk_tval *tv);
@@ -8422,7 +9231,11 @@ DUK_INTERNAL_DECL duk_small_int_t duk_js_buffer_compare(duk_heap *heap, duk_hbuf
DUK_INTERNAL_DECL duk_bool_t duk_js_compare_helper(duk_hthread *thr, duk_tval *tv_x, duk_tval *tv_y, duk_small_int_t flags);
DUK_INTERNAL_DECL duk_bool_t duk_js_instanceof(duk_hthread *thr, duk_tval *tv_x, duk_tval *tv_y);
DUK_INTERNAL_DECL duk_bool_t duk_js_in(duk_hthread *thr, duk_tval *tv_x, duk_tval *tv_y);
-DUK_INTERNAL_DECL duk_hstring *duk_js_typeof(duk_hthread *thr, duk_tval *tv_x);
+DUK_INTERNAL_DECL duk_small_uint_t duk_js_typeof_stridx(duk_tval *tv_x);
+
+/* arithmetic */
+DUK_INTERNAL_DECL double duk_js_arith_pow(double x, double y);
+DUK_INTERNAL_DECL double duk_js_arith_mod(double x, double y);
#define duk_js_equals(thr,tv_x,tv_y) \
duk_js_equals_helper((thr), (tv_x), (tv_y), 0)
@@ -8465,7 +9278,7 @@ DUK_INTERNAL_DECL void duk_js_close_environment_record(duk_hthread *thr, duk_hob
DUK_INTERNAL_DECL duk_hobject *duk_create_activation_environment_record(duk_hthread *thr, duk_hobject *func, duk_size_t idx_bottom);
DUK_INTERNAL_DECL
void duk_js_push_closure(duk_hthread *thr,
- duk_hcompiledfunction *fun_temp,
+ duk_hcompfunc *fun_temp,
duk_hobject *outer_var_env,
duk_hobject *outer_lex_env,
duk_bool_t add_auto_proto);
@@ -8473,22 +9286,22 @@ void duk_js_push_closure(duk_hthread *thr,
/* call handling */
DUK_INTERNAL_DECL duk_int_t duk_handle_call_protected(duk_hthread *thr, duk_idx_t num_stack_args, duk_small_uint_t call_flags);
DUK_INTERNAL_DECL void duk_handle_call_unprotected(duk_hthread *thr, duk_idx_t num_stack_args, duk_small_uint_t call_flags);
-DUK_INTERNAL_DECL duk_int_t duk_handle_safe_call(duk_hthread *thr, duk_safe_call_function func, duk_idx_t num_stack_args, duk_idx_t num_stack_res);
+DUK_INTERNAL_DECL duk_int_t duk_handle_safe_call(duk_hthread *thr, duk_safe_call_function func, void *udata, duk_idx_t num_stack_args, duk_idx_t num_stack_res);
DUK_INTERNAL_DECL duk_bool_t duk_handle_ecma_call_setup(duk_hthread *thr, duk_idx_t num_stack_args, duk_small_uint_t call_flags);
/* bytecode execution */
DUK_INTERNAL_DECL void duk_js_execute_bytecode(duk_hthread *exec_thr);
#endif /* DUK_JS_H_INCLUDED */
-#line 1 "duk_numconv.h"
-#ifndef DUK_NUMCONV_H_INCLUDED
-#define DUK_NUMCONV_H_INCLUDED
-
+/* #include duk_numconv.h */
/*
* Number-to-string conversion. The semantics of these is very tightly
* bound with the Ecmascript semantics required for call sites.
*/
+#if !defined(DUK_NUMCONV_H_INCLUDED)
+#define DUK_NUMCONV_H_INCLUDED
+
/* Output a specified number of digits instead of using the shortest
* form. Used for toPrecision() and toFixed().
*/
@@ -8558,10 +9371,20 @@ DUK_INTERNAL_DECL void duk_js_execute_bytecode(duk_hthread *exec_thr);
*/
#define DUK_S2N_FLAG_ALLOW_AUTO_HEX_INT (1 << 11)
-/* Allow automatic detection of octal base, overrides radix
- * argument and forces integer mode.
+/* Allow automatic detection of legacy octal base ("0n"),
+ * overrides radix argument and forces integer mode.
+ */
+#define DUK_S2N_FLAG_ALLOW_AUTO_LEGACY_OCT_INT (1 << 12)
+
+/* Allow automatic detection of ES2015 octal base ("0o123"),
+ * overrides radix argument and forces integer mode.
+ */
+#define DUK_S2N_FLAG_ALLOW_AUTO_OCT_INT (1 << 13)
+
+/* Allow automatic detection of ES2015 binary base ("0b10001"),
+ * overrides radix argument and forces integer mode.
*/
-#define DUK_S2N_FLAG_ALLOW_AUTO_OCT_INT (1 << 12)
+#define DUK_S2N_FLAG_ALLOW_AUTO_BIN_INT (1 << 14)
/*
* Prototypes
@@ -8571,33 +9394,26 @@ DUK_INTERNAL_DECL void duk_numconv_stringify(duk_context *ctx, duk_small_int_t r
DUK_INTERNAL_DECL void duk_numconv_parse(duk_context *ctx, duk_small_int_t radix, duk_small_uint_t flags);
#endif /* DUK_NUMCONV_H_INCLUDED */
-#line 1 "duk_bi_protos.h"
+/* #include duk_bi_protos.h */
/*
* Prototypes for built-in functions not automatically covered by the
* header declarations emitted by genbuiltins.py.
*/
-#ifndef DUK_BUILTIN_PROTOS_H_INCLUDED
+#if !defined(DUK_BUILTIN_PROTOS_H_INCLUDED)
#define DUK_BUILTIN_PROTOS_H_INCLUDED
-/* Buffer size needed for duk_bi_date_format_timeval().
+/* Buffer size needed for ISO 8601 formatting.
* Accurate value is 32 + 1 for NUL termination:
* >>> len('+123456-01-23T12:34:56.123+12:34')
* 32
* Include additional space to be safe.
*/
-#define DUK_BI_DATE_ISO8601_BUFSIZE 48
-
-/* Maximum length of CommonJS module identifier to resolve. Length includes
- * both current module ID, requested (possibly relative) module ID, and a
- * slash in between.
- */
-#define DUK_BI_COMMONJS_MODULE_ID_LIMIT 256
+#define DUK_BI_DATE_ISO8601_BUFSIZE 40
/* Helpers exposed for internal use */
DUK_INTERNAL_DECL void duk_bi_date_timeval_to_parts(duk_double_t d, duk_int_t *parts, duk_double_t *dparts, duk_small_uint_t flags);
DUK_INTERNAL_DECL duk_double_t duk_bi_date_get_timeval_from_dparts(duk_double_t *dparts, duk_small_uint_t flags);
-DUK_INTERNAL_DECL void duk_bi_date_format_timeval(duk_double_t timeval, duk_uint8_t *out_buf);
DUK_INTERNAL_DECL duk_bool_t duk_bi_date_is_leap_year(duk_int_t year);
DUK_INTERNAL_DECL duk_bool_t duk_bi_date_timeval_in_valid_range(duk_double_t x);
DUK_INTERNAL_DECL duk_bool_t duk_bi_date_year_in_valid_range(duk_double_t year);
@@ -8612,7 +9428,7 @@ DUK_INTERNAL_DECL duk_double_t duk_bi_date_get_now_time(duk_context *ctx);
#if defined(DUK_USE_DATE_NOW_WINDOWS)
DUK_INTERNAL_DECL duk_double_t duk_bi_date_get_now_windows(duk_context *ctx);
#endif
-#if defined(DUK_USE_DATE_TZO_GMTIME_R) || defined(DUK_USE_DATE_TZO_GMTIME)
+#if defined(DUK_USE_DATE_TZO_GMTIME_R) || defined(DUK_USE_DATE_TZO_GMTIME_S) || defined(DUK_USE_DATE_TZO_GMTIME)
DUK_INTERNAL_DECL duk_int_t duk_bi_date_get_local_tzoffset_gmtime(duk_double_t d);
#endif
#if defined(DUK_USE_DATE_TZO_WINDOWS)
@@ -8640,33 +9456,31 @@ void duk_bi_json_stringify_helper(duk_context *ctx,
duk_idx_t idx_space,
duk_small_uint_t flags);
+DUK_INTERNAL_DECL duk_ret_t duk_textdecoder_decode_utf8_nodejs(duk_context *ctx);
+
+#if defined(DUK_USE_ES6_PROXY)
+DUK_INTERNAL_DECL void duk_proxy_ownkeys_postprocess(duk_context *ctx, duk_hobject *h_proxy_target, duk_uint_t flags);
+#endif
+
#endif /* DUK_BUILTIN_PROTOS_H_INCLUDED */
-#line 1 "duk_selftest.h"
+/* #include duk_selftest.h */
/*
* Selftest code
*/
-#ifndef DUK_SELFTEST_H_INCLUDED
+#if !defined(DUK_SELFTEST_H_INCLUDED)
#define DUK_SELFTEST_H_INCLUDED
#if defined(DUK_USE_SELF_TESTS)
-DUK_INTERNAL_DECL void duk_selftest_run_tests(void);
+DUK_INTERNAL_DECL duk_uint_t duk_selftest_run_tests(duk_alloc_function alloc_func,
+ duk_realloc_function realloc_func,
+ duk_free_function free_func,
+ void *udata);
#endif
#endif /* DUK_SELFTEST_H_INCLUDED */
-#line 78 "duk_internal.h"
#endif /* DUK_INTERNAL_H_INCLUDED */
-#line 1 "duk_replacements.c"
-/*
- * Replacements for missing platform functions.
- *
- * Unlike the originals, fpclassify() and signbit() replacements don't
- * work on any floating point types, only doubles. The C typing here
- * mimics the standard prototypes.
- */
-
-/* include removed: duk_internal.h */
#if defined(DUK_USE_COMPUTED_NAN)
DUK_INTERNAL double duk_computed_nan;
@@ -8740,130 +9554,13 @@ DUK_INTERNAL int duk_repl_isinf(double x) {
return (c == DUK_FP_INFINITE);
}
#endif
-#line 1 "duk_strings.c"
-/*
- * Shared error message strings
- *
- * To minimize code footprint, try to share error messages inside Duktape
- * code. Modern compilers will do this automatically anyway, this is mostly
- * for older compilers.
- */
-
-/* include removed: duk_internal.h */
-
-/* Mostly API and built-in method related */
-DUK_INTERNAL const char *duk_str_internal_error = "internal error";
-DUK_INTERNAL const char *duk_str_invalid_count = "invalid count";
-DUK_INTERNAL const char *duk_str_invalid_call_args = "invalid call args";
-DUK_INTERNAL const char *duk_str_not_constructable = "not constructable";
-DUK_INTERNAL const char *duk_str_not_callable = "not callable";
-DUK_INTERNAL const char *duk_str_not_extensible = "not extensible";
-DUK_INTERNAL const char *duk_str_not_writable = "not writable";
-DUK_INTERNAL const char *duk_str_not_configurable = "not configurable";
-
-DUK_INTERNAL const char *duk_str_invalid_context = "invalid context";
-DUK_INTERNAL const char *duk_str_push_beyond_alloc_stack = "attempt to push beyond currently allocated stack";
-DUK_INTERNAL const char *duk_str_not_buffer = "not buffer"; /* still in use with verbose messages */
-DUK_INTERNAL const char *duk_str_unexpected_type = "unexpected type";
-DUK_INTERNAL const char *duk_str_defaultvalue_coerce_failed = "[[DefaultValue]] coerce failed";
-DUK_INTERNAL const char *duk_str_number_outside_range = "number outside range";
-DUK_INTERNAL const char *duk_str_not_object_coercible = "not object coercible";
-DUK_INTERNAL const char *duk_str_string_too_long = "string too long";
-DUK_INTERNAL const char *duk_str_buffer_too_long = "buffer too long";
-DUK_INTERNAL const char *duk_str_sprintf_too_long = "sprintf message too long";
-DUK_INTERNAL const char *duk_str_alloc_failed = "alloc failed";
-DUK_INTERNAL const char *duk_str_pop_too_many = "attempt to pop too many entries";
-DUK_INTERNAL const char *duk_str_wrong_buffer_type = "wrong buffer type";
-DUK_INTERNAL const char *duk_str_encode_failed = "encode failed";
-DUK_INTERNAL const char *duk_str_decode_failed = "decode failed";
-DUK_INTERNAL const char *duk_str_no_sourcecode = "no sourcecode";
-DUK_INTERNAL const char *duk_str_concat_result_too_long = "concat result too long";
-DUK_INTERNAL const char *duk_str_unimplemented = "unimplemented";
-DUK_INTERNAL const char *duk_str_unsupported = "unsupported";
-DUK_INTERNAL const char *duk_str_array_length_over_2g = "array length over 2G";
-
-/* JSON */
-DUK_INTERNAL const char *duk_str_fmt_ptr = "%p";
-DUK_INTERNAL const char *duk_str_fmt_invalid_json = "invalid json (at offset %ld)";
-DUK_INTERNAL const char *duk_str_jsondec_reclimit = "json decode recursion limit";
-DUK_INTERNAL const char *duk_str_jsonenc_reclimit = "json encode recursion limit";
-DUK_INTERNAL const char *duk_str_cyclic_input = "cyclic input";
-
-/* Object property access */
-DUK_INTERNAL const char *duk_str_proxy_revoked = "proxy revoked";
-DUK_INTERNAL const char *duk_str_invalid_base = "invalid base value";
-DUK_INTERNAL const char *duk_str_strict_caller_read = "attempt to read strict 'caller'";
-DUK_INTERNAL const char *duk_str_proxy_rejected = "proxy rejected";
-DUK_INTERNAL const char *duk_str_invalid_array_length = "invalid array length";
-DUK_INTERNAL const char *duk_str_array_length_write_failed = "array length write failed";
-DUK_INTERNAL const char *duk_str_array_length_not_writable = "array length non-writable";
-DUK_INTERNAL const char *duk_str_setter_undefined = "setter undefined";
-DUK_INTERNAL const char *duk_str_redefine_virt_prop = "attempt to redefine virtual property";
-DUK_INTERNAL const char *duk_str_invalid_descriptor = "invalid descriptor";
-DUK_INTERNAL const char *duk_str_property_is_virtual = "property is virtual";
-
-/* Compiler */
-DUK_INTERNAL const char *duk_str_parse_error = "parse error";
-DUK_INTERNAL const char *duk_str_duplicate_label = "duplicate label";
-DUK_INTERNAL const char *duk_str_invalid_label = "invalid label";
-DUK_INTERNAL const char *duk_str_invalid_array_literal = "invalid array literal";
-DUK_INTERNAL const char *duk_str_invalid_object_literal = "invalid object literal";
-DUK_INTERNAL const char *duk_str_invalid_var_declaration = "invalid variable declaration";
-DUK_INTERNAL const char *duk_str_cannot_delete_identifier = "cannot delete identifier";
-DUK_INTERNAL const char *duk_str_invalid_expression = "invalid expression";
-DUK_INTERNAL const char *duk_str_invalid_lvalue = "invalid lvalue";
-DUK_INTERNAL const char *duk_str_expected_identifier = "expected identifier";
-DUK_INTERNAL const char *duk_str_empty_expr_not_allowed = "empty expression not allowed";
-DUK_INTERNAL const char *duk_str_invalid_for = "invalid for statement";
-DUK_INTERNAL const char *duk_str_invalid_switch = "invalid switch statement";
-DUK_INTERNAL const char *duk_str_invalid_break_cont_label = "invalid break/continue label";
-DUK_INTERNAL const char *duk_str_invalid_return = "invalid return";
-DUK_INTERNAL const char *duk_str_invalid_try = "invalid try";
-DUK_INTERNAL const char *duk_str_invalid_throw = "invalid throw";
-DUK_INTERNAL const char *duk_str_with_in_strict_mode = "with in strict mode";
-DUK_INTERNAL const char *duk_str_func_stmt_not_allowed = "function statement not allowed";
-DUK_INTERNAL const char *duk_str_unterminated_stmt = "unterminated statement";
-DUK_INTERNAL const char *duk_str_invalid_arg_name = "invalid argument name";
-DUK_INTERNAL const char *duk_str_invalid_func_name = "invalid function name";
-DUK_INTERNAL const char *duk_str_invalid_getset_name = "invalid getter/setter name";
-DUK_INTERNAL const char *duk_str_func_name_required = "function name required";
-
-/* Regexp */
-DUK_INTERNAL const char *duk_str_invalid_quantifier_no_atom = "quantifier without preceding atom";
-DUK_INTERNAL const char *duk_str_invalid_quantifier_values = "quantifier values invalid (qmin > qmax)";
-DUK_INTERNAL const char *duk_str_quantifier_too_many_copies = "quantifier expansion requires too many atom copies";
-DUK_INTERNAL const char *duk_str_unexpected_closing_paren = "unexpected closing parenthesis";
-DUK_INTERNAL const char *duk_str_unexpected_end_of_pattern = "unexpected end of pattern";
-DUK_INTERNAL const char *duk_str_unexpected_regexp_token = "unexpected token in regexp";
-DUK_INTERNAL const char *duk_str_invalid_regexp_flags = "invalid regexp flags";
-DUK_INTERNAL const char *duk_str_invalid_backrefs = "invalid backreference(s)";
-
-/* Limits */
-DUK_INTERNAL const char *duk_str_valstack_limit = "valstack limit";
-DUK_INTERNAL const char *duk_str_callstack_limit = "callstack limit";
-DUK_INTERNAL const char *duk_str_catchstack_limit = "catchstack limit";
-DUK_INTERNAL const char *duk_str_prototype_chain_limit = "prototype chain limit";
-DUK_INTERNAL const char *duk_str_bound_chain_limit = "function call bound chain limit";
-DUK_INTERNAL const char *duk_str_c_callstack_limit = "C call stack depth limit";
-DUK_INTERNAL const char *duk_str_compiler_recursion_limit = "compiler recursion limit";
-DUK_INTERNAL const char *duk_str_bytecode_limit = "bytecode limit";
-DUK_INTERNAL const char *duk_str_reg_limit = "register limit";
-DUK_INTERNAL const char *duk_str_temp_limit = "temp limit";
-DUK_INTERNAL const char *duk_str_const_limit = "const limit";
-DUK_INTERNAL const char *duk_str_func_limit = "function limit";
-DUK_INTERNAL const char *duk_str_regexp_compiler_recursion_limit = "regexp compiler recursion limit";
-DUK_INTERNAL const char *duk_str_regexp_executor_recursion_limit = "regexp executor recursion limit";
-DUK_INTERNAL const char *duk_str_regexp_executor_step_limit = "regexp step limit";
-
-/* Misc */
-#line 1 "duk_debug_macros.c"
/*
* Debugging macro calls.
*/
-/* include removed: duk_internal.h */
+/* #include duk_internal.h -> already included */
-#ifdef DUK_USE_DEBUG
+#if defined(DUK_USE_DEBUG)
/*
* Debugging enabled
@@ -8873,91 +9570,34 @@ DUK_INTERNAL const char *duk_str_regexp_executor_step_limit = "regexp step limit
#include <stdlib.h>
#include <stdarg.h>
-#define DUK__DEBUG_BUFSIZE DUK_USE_DEBUG_BUFSIZE
-DUK_LOCAL char duk__debug_buf[DUK__DEBUG_BUFSIZE];
-
-DUK_LOCAL const char *duk__get_level_string(duk_small_int_t level) {
- switch ((int) level) {
- case DUK_LEVEL_DEBUG:
- return "D";
- case DUK_LEVEL_DDEBUG:
- return "DD";
- case DUK_LEVEL_DDDEBUG:
- return "DDD";
- }
- return "???";
-}
-
-#ifdef DUK_USE_DPRINT_COLORS
-
-/* http://en.wikipedia.org/wiki/ANSI_escape_code */
-#define DUK__TERM_REVERSE "\x1b[7m"
-#define DUK__TERM_BRIGHT "\x1b[1m"
-#define DUK__TERM_RESET "\x1b[0m"
-#define DUK__TERM_BLUE "\x1b[34m"
-#define DUK__TERM_RED "\x1b[31m"
-
-DUK_LOCAL const char *duk__get_term_1(duk_small_int_t level) {
- DUK_UNREF(level);
- return (const char *) DUK__TERM_RED;
-}
-
-DUK_LOCAL const char *duk__get_term_2(duk_small_int_t level) {
- switch ((int) level) {
- case DUK_LEVEL_DEBUG:
- return (const char *) (DUK__TERM_RESET DUK__TERM_BRIGHT);
- case DUK_LEVEL_DDEBUG:
- return (const char *) (DUK__TERM_RESET);
- case DUK_LEVEL_DDDEBUG:
- return (const char *) (DUK__TERM_RESET DUK__TERM_BLUE);
- }
- return (const char *) DUK__TERM_RESET;
-}
-
-DUK_LOCAL const char *duk__get_term_3(duk_small_int_t level) {
- DUK_UNREF(level);
- return (const char *) DUK__TERM_RESET;
-}
-
-#else
-
-DUK_LOCAL const char *duk__get_term_1(duk_small_int_t level) {
- DUK_UNREF(level);
- return (const char *) "";
-}
-
-DUK_LOCAL const char *duk__get_term_2(duk_small_int_t level) {
- DUK_UNREF(level);
- return (const char *) "";
-}
-
-DUK_LOCAL const char *duk__get_term_3(duk_small_int_t level) {
- DUK_UNREF(level);
- return (const char *) "";
-}
+#if !defined(DUK_USE_DEBUG_WRITE)
+#error debugging enabled (DUK_USE_DEBUG) but DUK_USE_DEBUG_WRITE not defined
+#endif
-#endif /* DUK_USE_DPRINT_COLORS */
+#define DUK__DEBUG_BUFSIZE DUK_USE_DEBUG_BUFSIZE
-#ifdef DUK_USE_VARIADIC_MACROS
+#if defined(DUK_USE_VARIADIC_MACROS)
-DUK_INTERNAL void duk_debug_log(duk_small_int_t level, const char *file, duk_int_t line, const char *func, const char *fmt, ...) {
+DUK_INTERNAL void duk_debug_log(duk_int_t level, const char *file, duk_int_t line, const char *func, const char *fmt, ...) {
va_list ap;
+ long arg_level;
+ const char *arg_file;
+ long arg_line;
+ const char *arg_func;
+ const char *arg_msg;
+ char buf[DUK__DEBUG_BUFSIZE];
va_start(ap, fmt);
- DUK_MEMZERO((void *) duk__debug_buf, (size_t) DUK__DEBUG_BUFSIZE);
- duk_debug_vsnprintf(duk__debug_buf, DUK__DEBUG_BUFSIZE - 1, fmt, ap);
+ DUK_MEMZERO((void *) buf, (size_t) DUK__DEBUG_BUFSIZE);
+ duk_debug_vsnprintf(buf, DUK__DEBUG_BUFSIZE - 1, fmt, ap);
- DUK_FPRINTF(DUK_STDERR, "%s[%s] %s:%ld (%s):%s %s%s\n",
- (const char *) duk__get_term_1(level),
- (const char *) duk__get_level_string(level),
- (const char *) file,
- (long) line,
- (const char *) func,
- (const char *) duk__get_term_2(level),
- (const char *) duk__debug_buf,
- (const char *) duk__get_term_3(level));
- DUK_FFLUSH(DUK_STDERR);
+ arg_level = (long) level;
+ arg_file = (const char *) file;
+ arg_line = (long) line;
+ arg_func = (const char *) func;
+ arg_msg = (const char *) buf;
+ DUK_USE_DEBUG_WRITE(arg_level, arg_file, arg_line, arg_func, arg_msg);
va_end(ap);
}
@@ -8965,29 +9605,30 @@ DUK_INTERNAL void duk_debug_log(duk_small_int_t level, const char *file, duk_int
#else /* DUK_USE_VARIADIC_MACROS */
DUK_INTERNAL char duk_debug_file_stash[DUK_DEBUG_STASH_SIZE];
-DUK_INTERNAL char duk_debug_line_stash[DUK_DEBUG_STASH_SIZE];
+DUK_INTERNAL duk_int_t duk_debug_line_stash;
DUK_INTERNAL char duk_debug_func_stash[DUK_DEBUG_STASH_SIZE];
-DUK_INTERNAL duk_small_int_t duk_debug_level_stash;
+DUK_INTERNAL duk_int_t duk_debug_level_stash;
DUK_INTERNAL void duk_debug_log(const char *fmt, ...) {
va_list ap;
- duk_small_int_t level = duk_debug_level_stash;
+ long arg_level;
+ const char *arg_file;
+ long arg_line;
+ const char *arg_func;
+ const char *arg_msg;
+ char buf[DUK__DEBUG_BUFSIZE];
va_start(ap, fmt);
- DUK_MEMZERO((void *) duk__debug_buf, (size_t) DUK__DEBUG_BUFSIZE);
- duk_debug_vsnprintf(duk__debug_buf, DUK__DEBUG_BUFSIZE - 1, fmt, ap);
+ DUK_MEMZERO((void *) buf, (size_t) DUK__DEBUG_BUFSIZE);
+ duk_debug_vsnprintf(buf, DUK__DEBUG_BUFSIZE - 1, fmt, ap);
- DUK_FPRINTF(DUK_STDERR, "%s[%s] %s:%s (%s):%s %s%s\n",
- (const char *) duk__get_term_1(level),
- (const char *) duk__get_level_string(duk_debug_level_stash),
- (const char *) duk_debug_file_stash,
- (const char *) duk_debug_line_stash,
- (const char *) duk_debug_func_stash,
- (const char *) duk__get_term_2(level),
- (const char *) duk__debug_buf,
- (const char *) duk__get_term_3(level));
- DUK_FFLUSH(DUK_STDERR);
+ arg_level = (long) duk_debug_level_stash;
+ arg_file = (const char *) duk_debug_file_stash;
+ arg_line = (long) duk_debug_line_stash;
+ arg_func = (const char *) duk_debug_func_stash;
+ arg_msg = (const char *) buf;
+ DUK_USE_DEBUG_WRITE(arg_level, arg_file, arg_line, arg_func, arg_msg);
va_end(ap);
}
@@ -9001,75 +9642,72 @@ DUK_INTERNAL void duk_debug_log(const char *fmt, ...) {
*/
#endif /* DUK_USE_DEBUG */
-#line 1 "duk_builtins.c"
+
+/* automatic undefs */
+#undef DUK__DEBUG_BUFSIZE
/*
* Automatically generated by genbuiltins.py, do not edit!
*/
-/* include removed: duk_internal.h */
+/* #include duk_internal.h -> already included */
#if defined(DUK_USE_ROM_STRINGS)
-#error ROM support not enabled, rerun make_dist.py with --rom-support
+#error ROM support not enabled, rerun configure.py with --rom-support
#else /* DUK_USE_ROM_STRINGS */
-DUK_INTERNAL const duk_uint8_t duk_strings_data[1049] = {
-79,104,209,144,168,105,6,78,182,139,90,122,8,154,140,35,103,35,117,193,73,
-5,52,116,180,104,166,135,52,189,4,98,12,27,178,156,80,211,31,161,115,150,
-64,52,221,109,24,18,68,157,24,38,67,118,36,55,73,119,151,164,140,93,18,117,
-128,153,201,228,201,205,2,250,8,196,24,232,104,82,146,40,232,193,48,118,
-168,37,147,212,54,127,113,208,70,32,194,187,68,54,127,113,208,70,32,196,
-123,68,54,127,113,209,44,12,121,7,208,70,32,194,186,134,207,236,126,219,
-160,140,65,133,246,136,108,254,199,237,186,8,196,24,87,80,217,253,159,217,
-116,17,136,48,190,209,13,159,217,253,151,65,24,131,12,233,86,224,79,236,
-254,203,160,140,65,134,116,171,112,39,246,223,105,208,70,32,193,140,183,4,
-11,55,92,20,244,141,169,186,50,11,164,109,77,208,208,165,36,79,215,185,13,
-153,34,110,204,241,32,6,66,84,11,112,200,84,52,157,124,92,242,70,120,45,64,
-186,17,22,138,38,0,172,140,19,154,84,26,145,0,86,69,17,180,97,34,0,172,132,
-75,144,215,77,221,91,132,5,147,178,156,80,211,30,160,93,9,215,21,115,119,
-169,49,75,211,138,26,101,205,222,68,157,47,78,40,105,151,55,120,204,156,
-189,56,161,166,52,157,72,136,138,65,154,232,147,162,4,136,150,81,115,66,
-208,210,37,96,148,250,134,140,151,39,212,125,255,221,125,73,80,209,146,233,
-124,93,55,79,15,34,196,230,202,113,160,166,232,157,132,148,128,98,28,46,
-114,200,6,153,180,96,73,19,74,113,67,76,103,5,36,20,211,70,140,133,67,72,
-49,245,160,235,81,212,52,168,106,39,132,253,111,80,210,161,168,158,5,245,
-191,96,31,172,15,208,23,226,190,131,232,62,131,232,11,251,127,93,245,223,
-93,251,172,234,27,80,45,3,250,14,140,19,34,65,19,81,132,108,228,97,1,107,
-33,12,32,45,100,136,206,9,12,196,155,134,69,146,100,235,226,231,146,51,194,
-72,218,48,145,4,200,119,89,189,81,49,39,72,147,235,226,233,186,120,121,58,
-226,167,90,124,93,55,107,71,137,33,68,68,130,64,206,75,189,209,156,144,84,
-44,141,3,8,137,187,178,156,80,211,26,110,242,100,230,146,120,121,8,48,76,6,
-89,26,105,157,65,196,201,213,145,166,153,212,28,76,157,113,75,34,78,62,14,
-38,73,105,228,142,136,178,48,141,152,228,73,150,83,0,148,39,137,75,67,73,
-214,209,129,36,85,190,206,32,17,6,9,128,141,3,8,130,161,100,235,64,194,24,
-52,41,73,19,189,200,108,201,19,111,181,2,232,66,239,173,37,230,157,244,56,
-153,4,225,145,27,233,93,22,1,114,62,251,80,69,128,121,247,213,146,228,109,
-79,190,212,17,35,106,125,246,78,164,68,68,111,175,23,217,45,13,33,119,208,
-68,210,38,250,192,61,91,233,80,208,45,25,36,81,190,156,13,26,201,19,239,
-162,2,214,66,31,125,153,226,64,13,27,236,72,96,130,68,62,251,48,68,196,153,
-119,217,157,18,56,156,199,161,100,42,26,250,77,36,140,122,40,144,19,34,9,
-24,246,103,139,172,150,56,125,145,1,17,29,44,112,250,183,0,100,24,200,218,
-140,228,185,130,9,19,237,190,208,73,184,146,35,68,146,163,8,50,178,99,136,
-44,89,196,2,33,70,64,208,196,67,74,226,88,17,105,73,24,186,37,40,38,5,133,
-161,89,4,183,25,115,119,86,227,118,83,138,26,103,255,223,209,106,141,25,11,
-244,95,117,56,208,159,250,223,251,250,45,52,13,250,47,186,156,104,79,253,
-111,253,253,22,144,210,253,23,221,78,52,39,254,187,254,254,139,77,67,75,
-244,95,117,56,208,159,250,239,251,250,45,22,141,23,209,125,212,227,66,127,
-235,63,239,69,163,69,247,83,141,9,255,165,12,72,5,16,64,145,10,32,76,71,64,
-156,217,161,180,34,6,64,208,198,36,78,50,20,20,92,204,50,44,147,32,134,226,
-17,114,33,202,134,129,107,192,202,232,160,180,104,166,135,52,72,40,144,213,
-33,178,152,26,34,56,163,105,44,104,146,116,139,77,43,34,98,57,38,116,72,
-179,60,93,97,206,56,52,240,242,56,163,168,34,81,57,178,153,42,228,12,182,
-58,22,66,89,19,57,68,176,74,68,35,104,195,18,239,116,102,114,94,100,104,
-228,100,49,238,140,203,42,60,145,35,104,181,146,113,161,10,80,46,68,82,24,
-245,145,132,108,228,148,54,100,137,64,34,13,100,153,222,1,40,6,33,223,20,
-84,19,34,95,23,76,130,153,6,103,208,43,64,141,41,130,104,17,112,130,44,96,
+DUK_INTERNAL const duk_uint8_t duk_strings_data[921] = {
+79,40,209,144,168,105,6,78,54,139,89,185,44,48,46,90,120,8,154,140,35,103,
+35,113,193,73,5,52,112,180,104,166,135,52,188,4,98,12,27,146,156,80,211,31,
+129,115,150,64,52,220,109,24,18,68,156,24,38,67,114,36,55,9,119,151,132,
+140,93,18,113,128,153,201,212,201,205,2,248,8,196,24,224,104,82,146,40,224,
+193,48,114,168,37,147,196,54,123,28,4,98,12,43,148,67,103,177,192,70,32,
+196,121,68,54,123,28,18,192,199,144,124,4,98,12,43,136,108,244,117,184,8,
+196,24,95,40,134,207,71,91,128,140,65,133,113,13,158,158,151,1,24,131,11,
+229,16,217,233,233,112,17,136,48,206,21,110,4,244,244,184,8,196,24,103,10,
+183,2,122,218,156,4,98,12,24,203,112,64,179,113,193,79,8,218,155,131,32,
+184,70,212,220,13,10,82,68,252,123,144,217,146,38,228,207,18,0,100,37,64,
+178,212,11,161,17,104,162,96,10,200,193,57,165,65,169,16,5,100,81,27,70,18,
+32,10,200,68,185,13,116,221,197,184,64,89,57,41,197,13,49,234,5,208,156,
+113,87,55,118,147,20,187,56,161,166,92,221,212,73,210,236,226,134,153,115,
+119,76,201,203,179,138,26,99,73,212,136,136,164,25,174,137,56,32,72,137,
+101,23,52,45,13,34,86,9,79,136,104,201,114,149,96,52,138,134,140,151,75,
+226,233,186,120,121,22,39,54,83,141,5,55,68,236,36,164,3,16,225,115,150,64,
+52,205,163,2,72,154,83,138,26,99,75,12,11,150,103,5,36,20,211,70,140,133,
+67,72,49,241,160,227,81,196,52,168,106,39,132,252,183,136,105,80,212,79,2,
+249,110,128,126,88,95,133,109,237,237,237,151,235,127,46,249,119,203,190,
+186,206,33,181,2,208,61,190,12,19,34,65,19,81,132,108,228,97,1,107,33,12,
+32,45,100,139,134,69,146,100,227,226,231,146,51,192,204,73,140,224,145,221,
+102,241,68,196,157,34,79,143,139,166,233,225,228,227,138,157,173,167,197,
+211,118,214,210,38,238,74,113,67,76,105,187,169,147,154,73,225,228,32,193,
+48,25,100,105,166,113,200,147,44,166,1,40,79,18,150,134,147,141,163,2,72,
+171,115,147,136,4,65,130,96,35,64,194,32,168,89,56,208,48,135,123,144,217,
+146,38,220,229,64,186,16,187,156,105,47,52,238,112,56,153,4,225,145,27,156,
+43,162,192,46,71,220,229,65,22,1,231,220,228,157,72,136,136,220,227,197,
+164,180,52,133,220,224,34,105,19,115,140,3,207,185,202,130,36,109,85,185,
+194,161,160,90,50,72,163,115,135,3,70,178,68,251,156,16,22,178,16,251,156,
+153,226,64,13,27,156,137,12,16,72,135,220,228,193,19,18,101,220,228,206,
+137,28,78,99,208,178,21,13,125,38,146,70,60,20,72,9,145,4,140,121,51,197,
+214,25,27,81,156,151,48,65,34,107,106,9,55,18,68,104,146,84,97,31,191,189,
+181,70,140,133,222,249,212,227,66,125,245,187,251,219,77,3,119,190,117,56,
+208,159,125,110,254,246,210,26,93,239,157,78,52,39,223,93,191,189,180,212,
+52,187,223,58,156,104,79,190,187,127,123,104,180,104,183,190,117,56,208,
+159,125,102,254,209,104,209,124,234,113,161,62,250,80,196,128,81,4,9,16,
+162,4,196,116,9,205,154,27,66,32,100,13,12,98,68,227,33,65,69,204,195,34,
+201,50,8,110,33,23,34,28,168,104,22,188,12,174,138,11,70,138,104,115,68,
+130,137,13,82,27,41,129,162,35,138,54,146,198,137,39,72,180,210,178,38,35,
+146,103,68,139,51,197,214,28,227,131,79,15,35,138,58,130,37,19,155,41,146,
+174,64,203,99,161,100,37,145,51,148,75,4,164,66,54,140,49,46,247,70,103,37,
+230,70,142,70,67,30,232,204,178,163,201,18,54,139,89,39,26,16,165,2,228,69,
+33,143,89,24,70,206,73,67,102,72,148,2,32,214,73,157,224,18,128,98,29,241,
+69,65,50,37,241,116,200,41,144,102,125,2,180,8,210,152,38,129,23,8,34,198,
};
#endif /* DUK_USE_ROM_STRINGS */
#if defined(DUK_USE_ROM_OBJECTS)
-#error ROM support not enabled, rerun make_dist.py with --rom-support
+#error ROM support not enabled, rerun configure.py with --rom-support
#else /* DUK_USE_ROM_OBJECTS */
-/* native functions: 149 */
-DUK_INTERNAL const duk_c_function duk_bi_native_functions[149] = {
+/* native functions: 164 */
+DUK_INTERNAL const duk_c_function duk_bi_native_functions[164] = {
+ NULL,
duk_bi_array_constructor,
duk_bi_array_constructor_is_array,
duk_bi_array_prototype_concat,
@@ -9091,8 +9729,6 @@ DUK_INTERNAL const duk_c_function duk_bi_native_functions[149] = {
duk_bi_boolean_constructor,
duk_bi_boolean_prototype_tostring_shared,
duk_bi_buffer_compare_shared,
- duk_bi_buffer_constructor,
- duk_bi_buffer_prototype_tostring_shared,
duk_bi_buffer_readfield,
duk_bi_buffer_slice_shared,
duk_bi_buffer_writefield,
@@ -9139,15 +9775,10 @@ DUK_INTERNAL const duk_c_function duk_bi_native_functions[149] = {
duk_bi_global_object_is_nan,
duk_bi_global_object_parse_float,
duk_bi_global_object_parse_int,
- duk_bi_global_object_print_helper,
- duk_bi_global_object_require,
duk_bi_global_object_unescape,
duk_bi_json_object_parse,
duk_bi_json_object_stringify,
- duk_bi_logger_constructor,
- duk_bi_logger_prototype_fmt,
- duk_bi_logger_prototype_log_shared,
- duk_bi_logger_prototype_raw,
+ duk_bi_math_object_hypot,
duk_bi_math_object_max,
duk_bi_math_object_min,
duk_bi_math_object_onearg_shared,
@@ -9171,10 +9802,12 @@ DUK_INTERNAL const duk_c_function duk_bi_native_functions[149] = {
duk_bi_number_prototype_to_string,
duk_bi_number_prototype_value_of,
duk_bi_object_constructor,
+ duk_bi_object_constructor_assign,
duk_bi_object_constructor_create,
duk_bi_object_constructor_define_properties,
duk_bi_object_constructor_define_property,
duk_bi_object_constructor_get_own_property_descriptor,
+ duk_bi_object_constructor_is,
duk_bi_object_constructor_is_extensible,
duk_bi_object_constructor_is_sealed_frozen_shared,
duk_bi_object_constructor_keys_shared,
@@ -9191,12 +9824,19 @@ DUK_INTERNAL const duk_c_function duk_bi_native_functions[149] = {
duk_bi_pointer_constructor,
duk_bi_pointer_prototype_tostring_shared,
duk_bi_proxy_constructor,
+ duk_bi_reflect_object_delete_property,
+ duk_bi_reflect_object_get,
+ duk_bi_reflect_object_has,
+ duk_bi_reflect_object_set,
duk_bi_regexp_constructor,
duk_bi_regexp_prototype_exec,
+ duk_bi_regexp_prototype_flags,
+ duk_bi_regexp_prototype_shared_getter,
duk_bi_regexp_prototype_test,
- duk_bi_regexp_prototype_to_string,
+ duk_bi_regexp_prototype_tostring,
duk_bi_string_constructor,
duk_bi_string_constructor_from_char_code,
+ duk_bi_string_constructor_from_code_point,
duk_bi_string_prototype_caseconv_shared,
duk_bi_string_prototype_char_at,
duk_bi_string_prototype_char_code_at,
@@ -9204,6 +9844,7 @@ DUK_INTERNAL const duk_c_function duk_bi_native_functions[149] = {
duk_bi_string_prototype_indexof_shared,
duk_bi_string_prototype_locale_compare,
duk_bi_string_prototype_match,
+ duk_bi_string_prototype_repeat,
duk_bi_string_prototype_replace,
duk_bi_string_prototype_search,
duk_bi_string_prototype_slice,
@@ -9212,578 +9853,565 @@ DUK_INTERNAL const duk_c_function duk_bi_native_functions[149] = {
duk_bi_string_prototype_substring,
duk_bi_string_prototype_to_string,
duk_bi_string_prototype_trim,
+ duk_bi_textdecoder_constructor,
+ duk_bi_textdecoder_prototype_decode,
+ duk_bi_textdecoder_prototype_shared_getter,
+ duk_bi_textencoder_constructor,
+ duk_bi_textencoder_prototype_encode,
+ duk_bi_textencoder_prototype_encoding_getter,
duk_bi_thread_constructor,
duk_bi_thread_current,
duk_bi_thread_resume,
duk_bi_thread_yield,
duk_bi_type_error_thrower,
+ duk_bi_typedarray_buffer_getter,
+ duk_bi_typedarray_bytelength_getter,
+ duk_bi_typedarray_byteoffset_getter,
duk_bi_typedarray_constructor,
duk_bi_typedarray_set,
+ duk_bi_uint8array_allocplain,
+ duk_bi_uint8array_plainof,
};
-#if defined(DUK_USE_BUILTIN_INITJS)
-DUK_INTERNAL const duk_uint8_t duk_initjs_data[204] = {
-40,102,117,110,99,116,105,111,110,40,100,44,97,41,123,102,117,110,99,116,
-105,111,110,32,98,40,97,44,98,44,99,41,123,79,98,106,101,99,116,46,100,101,
-102,105,110,101,80,114,111,112,101,114,116,121,40,97,44,98,44,123,118,97,
-108,117,101,58,99,44,119,114,105,116,97,98,108,101,58,33,48,44,101,110,117,
-109,101,114,97,98,108,101,58,33,49,44,99,111,110,102,105,103,117,114,97,98,
-108,101,58,33,48,125,41,125,98,40,97,46,76,111,103,103,101,114,44,34,99,
-108,111,103,34,44,110,101,119,32,97,46,76,111,103,103,101,114,40,34,67,34,
-41,41,59,98,40,97,44,34,109,111,100,76,111,97,100,101,100,34,44,79,98,106,
-101,99,116,46,99,114,101,97,116,101,40,110,117,108,108,41,41,125,41,40,116,
-104,105,115,44,68,117,107,116,97,112,101,41,59,10,0,
-};
-#endif /* DUK_USE_BUILTIN_INITJS */
#if defined(DUK_USE_DOUBLE_LE)
-DUK_INTERNAL const duk_uint8_t duk_builtins_data[3833] = {
-105,195,75,32,3,148,52,154,248,9,26,13,128,112,105,0,240,22,20,26,95,124,6,
-152,52,137,0,120,99,74,239,129,18,70,241,191,2,98,13,79,32,42,88,210,90,2,
-240,1,50,141,37,168,76,94,216,118,69,229,203,127,44,0,84,163,73,106,21,75,
-14,236,249,98,242,229,191,150,0,46,81,164,181,14,165,151,54,94,89,119,99,
-203,23,151,45,252,176,1,146,141,37,168,93,63,59,186,97,241,23,151,45,252,
-176,1,178,141,37,168,77,79,60,50,197,229,203,127,44,0,116,163,73,106,17,86,
-148,152,188,185,111,229,128,15,148,129,198,137,36,58,166,142,91,251,212,
-243,195,44,94,92,183,242,13,79,8,45,14,91,252,121,148,52,199,120,63,72,105,
-21,240,118,128,210,237,224,245,17,165,43,224,211,55,231,207,151,148,161,70,
-145,0,31,40,107,26,2,18,138,26,228,192,142,0,16,161,174,76,9,74,26,228,192,
-158,0,8,161,174,76,10,96,2,42,26,228,192,174,0,26,161,174,76,11,96,3,74,26,
-228,192,190,0,44,161,174,76,12,96,3,202,26,228,192,206,0,70,161,169,84,14,
-202,3,255,254,32,234,0,0,0,0,0,0,7,195,248,119,0,0,0,0,0,0,3,193,252,57,
-136,1,152,32,16,194,0,166,24,6,49,0,57,138,2,12,96,18,99,128,163,32,5,153,
-40,76,94,216,118,69,229,203,127,35,41,10,165,135,118,124,177,121,114,223,
-200,203,67,169,101,205,151,150,93,216,242,197,229,203,127,35,49,11,167,231,
-119,76,62,34,242,229,191,145,154,132,212,243,195,44,94,92,183,242,51,144,
-138,180,164,197,229,203,127,35,60,6,26,0,52,208,193,226,117,215,211,15,12,
-166,146,11,67,150,255,30,77,24,58,113,64,243,92,8,27,0,68,217,130,70,212,
-19,54,224,161,185,5,77,216,44,111,65,115,126,12,28,16,100,225,156,16,32,18,
-17,195,15,46,121,100,238,232,136,136,87,12,60,185,229,141,179,126,30,136,
-100,130,233,231,59,12,228,34,66,52,243,141,167,118,158,153,80,73,9,201,151,
-30,252,153,106,210,146,118,72,150,76,184,247,228,203,86,148,152,123,246,
-240,223,187,46,238,135,132,132,229,221,143,126,76,181,105,73,61,36,75,46,
-236,123,242,101,171,74,76,61,251,120,111,221,151,119,67,226,65,178,243,199,
-135,134,83,242,66,58,238,203,207,30,30,25,81,201,5,225,203,78,238,136,163,
-208,92,59,50,242,232,138,62,0,2,38,163,19,255,255,224,142,80,192,0,20,31,
-240,14,135,103,203,210,135,45,253,55,244,243,195,44,252,205,197,0,1,18,221,
-82,0,3,24,207,151,164,254,251,168,114,223,195,47,46,158,98,101,231,143,150,
-158,29,55,242,104,68,79,62,94,147,251,238,161,203,127,12,188,186,121,157,
-135,110,94,109,100,131,99,229,151,15,76,172,168,8,89,217,16,201,151,54,157,
-217,104,114,223,195,47,46,154,114,243,102,68,19,158,92,59,27,73,6,205,203,
-46,95,89,91,74,0,3,17,225,203,47,108,187,186,69,241,211,46,238,122,119,238,
-230,216,72,70,158,116,242,225,217,151,35,81,33,26,121,198,229,191,214,93,
-205,69,0,1,134,105,231,23,199,76,187,185,233,197,179,43,73,32,154,242,249,
-230,214,80,0,31,255,193,2,38,103,110,117,24,81,115,0,78,228,0,161,208,16,
-237,24,121,207,239,186,135,45,252,50,242,233,229,188,144,221,60,232,114,
-223,211,127,79,60,50,207,204,224,72,167,14,91,248,101,229,211,204,158,113,
-119,117,219,151,150,28,91,50,184,144,40,95,224,0,15,248,64,4,20,78,129,5,
-195,195,134,207,38,232,130,99,195,179,97,201,244,19,22,157,217,14,15,130,
-135,254,0,48,125,60,224,242,229,135,200,9,1,255,12,2,162,136,112,2,112,80,
-128,0,193,177,239,221,143,15,64,35,224,152,20,144,62,27,248,3,2,9,195,175,
-61,0,231,208,126,89,123,101,229,207,40,72,32,188,244,105,205,208,40,16,94,
-123,52,227,202,22,136,39,61,252,186,6,18,13,207,134,205,56,242,134,175,65,
-250,238,231,163,78,110,129,231,208,125,59,178,101,241,63,48,25,248,0,12,47,
-102,30,125,36,238,201,151,196,252,192,103,255,255,240,92,189,178,242,242,8,
-105,4,231,191,110,80,67,80,0,24,62,109,252,162,225,199,160,16,212,0,10,7,
-183,15,0,67,80,0,56,54,109,59,58,101,228,8,106,0,9,6,229,151,39,92,121,66,
-15,192,0,97,124,178,228,235,143,45,45,57,244,116,8,63,255,255,10,39,248,0,
-195,51,114,223,182,30,140,60,161,239,201,149,248,248,31,241,0,140,80,129,
-202,10,49,128,10,35,1,6,199,163,15,40,61,32,9,10,199,163,15,40,123,242,101,
-131,210,4,144,108,123,247,99,195,210,8,250,15,167,118,76,190,39,230,131,52,
-133,236,195,207,164,157,217,50,248,159,154,12,212,0,6,27,179,126,60,59,50,
-195,223,183,134,30,89,97,9,5,219,135,166,61,16,164,131,242,203,195,102,28,
-121,97,145,6,231,151,15,44,122,33,201,5,231,179,78,60,177,8,130,243,225,
-179,79,72,148,66,121,245,197,207,167,45,59,179,197,162,23,211,124,205,253,
-242,242,135,135,158,87,240,68,122,111,153,191,30,29,153,102,111,239,151,
-148,60,60,242,191,130,23,211,125,94,28,50,242,135,135,158,87,240,128,0,196,
-122,111,153,191,30,29,153,106,240,225,151,148,60,60,242,191,132,0,6,9,211,
-150,157,177,160,131,115,235,139,159,78,81,72,10,47,248,0,3,254,40,17,138,
-48,66,136,152,64,0,66,129,48,5,27,252,88,76,216,54,47,214,131,50,172,88,31,
-255,255,255,255,255,253,239,240,153,178,103,95,173,6,101,88,176,0,64,0,0,0,
-0,0,0,3,168,0,0,0,0,0,0,31,15,241,26,19,233,201,169,38,180,91,242,103,70,
-147,58,77,75,48,0,0,0,0,0,0,60,31,226,51,162,199,131,82,77,104,183,228,206,
-141,38,116,154,150,96,0,0,0,0,0,0,120,127,128,15,248,192,70,40,0,0,0,0,0,0,
-0,0,3,10,44,68,9,216,8,20,49,130,15,211,124,109,62,50,228,95,36,55,166,248,
-190,56,111,221,151,119,77,56,118,47,18,23,211,125,14,89,113,233,231,167,
-126,230,18,5,31,252,0,224,188,48,242,231,148,116,144,58,181,33,143,127,64,
-247,111,238,56,0,127,199,2,49,72,0,0,0,0,0,0,248,127,180,81,36,4,51,166,
-248,152,122,101,167,211,150,157,217,201,2,0,3,12,233,190,166,157,185,105,
-244,229,167,118,114,64,128,1,4,228,129,0,3,137,116,223,51,126,60,59,50,196,
-195,211,45,62,156,180,238,206,72,16,0,72,151,77,243,55,227,195,179,45,77,
-59,114,211,233,203,78,236,228,129,0,5,10,73,2,0,12,21,18,4,0,28,82,35,32,
-80,74,8,62,124,189,42,105,219,148,148,16,188,249,122,70,235,179,101,156,
-184,121,15,132,0,34,29,159,47,74,181,33,198,235,179,101,156,184,121,15,132,
-0,38,17,159,47,73,187,247,116,208,62,16,0,168,94,124,189,42,212,135,55,126,
-238,154,7,194,0,23,7,207,151,164,76,61,50,143,132,0,50,21,159,47,74,181,33,
-196,195,211,40,248,64,3,96,217,242,244,137,135,200,248,64,3,161,57,242,244,
-171,82,28,76,62,71,194,0,31,8,207,151,164,141,253,121,115,31,8,0,132,47,62,
-94,149,106,67,145,191,175,46,99,225,0,17,133,103,203,210,110,157,221,122,
-101,230,62,16,1,40,110,124,189,42,212,135,55,78,238,189,50,243,31,8,0,156,
-43,62,94,148,242,227,223,187,39,49,240,128,10,67,115,229,233,86,164,58,121,
-113,239,221,147,152,248,64,5,97,249,242,244,155,167,102,205,60,242,227,223,
-187,39,49,240,128,11,68,179,229,233,86,164,57,186,118,108,211,207,46,61,
-251,178,115,31,8,0,188,71,62,94,149,52,237,203,235,126,236,179,243,102,231,
-151,161,0,32,252,242,244,169,167,110,82,34,67,249,229,233,55,78,205,154,
-121,229,199,191,118,78,100,37,0,24,137,115,203,210,173,72,115,116,236,217,
-167,158,92,123,247,100,230,66,80,1,152,87,60,189,41,229,199,191,118,78,100,
-43,224,3,80,222,121,122,85,169,14,158,92,123,247,100,230,66,190,0,55,10,
-231,151,164,221,59,186,244,203,204,133,252,0,114,27,207,47,74,181,33,205,
-211,187,175,76,188,200,95,192,7,97,28,242,244,145,191,175,46,100,51,224,3,
-208,190,121,122,85,169,14,70,254,188,185,144,207,128,15,193,249,229,233,19,
-15,76,164,37,0,32,133,115,203,210,173,72,113,48,244,202,66,80,2,24,71,60,
-189,38,239,221,211,65,10,248,1,20,47,158,94,149,106,67,155,191,119,77,4,43,
-224,4,112,190,121,122,70,235,179,101,156,184,121,16,191,128,18,67,185,229,
-233,86,164,56,221,118,108,179,151,15,34,23,240,2,88,62,124,189,44,229,195,
-200,124,32,4,208,126,121,122,89,203,135,145,9,64,9,194,145,254,0,0,255,144,
-24,100,130,14,0,16,176,2,192,129,11,33,12,1,168,193,108,96,186,48,95,32,0,
-0,0,0,0,0,0,0,56,38,95,25,113,189,18,9,211,47,62,143,100,20,95,0,20,159,
-240,0,7,252,144,162,241,2,195,66,7,11,89,204,140,197,252,229,197,226,230,
-115,3,16,69,19,64,5,43,252,0,9,255,40,16,188,33,49,123,97,217,23,151,45,
-252,131,66,7,0,20,191,240,0,39,252,176,66,240,133,82,195,187,62,88,188,185,
-111,228,26,16,56,0,166,127,128,1,63,230,2,23,132,58,150,92,217,121,101,221,
-143,44,94,92,183,242,13,8,28,0,83,127,192,0,159,243,65,11,194,23,79,206,
-238,152,124,69,229,203,127,32,208,129,192,5,59,252,0,9,255,56,16,188,33,53,
-60,240,203,23,151,45,252,131,66,7,0,20,255,240,0,39,252,240,66,240,132,85,
-165,38,47,46,91,249,6,132,14,0,31,255,228,64,98,192,105,87,20,139,10,191,5,
-64,130,76,156,197,132,1,101,91,91,187,22,176,36,8,28,201,204,160,119,156,
-253,127,33,23,115,31,193,102,79,142,202,44,15,232,34,182,84,113,95,115,248,
-52,201,241,216,176,139,0,59,148,152,85,239,47,108,254,5,66,76,1,130,212,69,
-79,178,16,148,8,61,58,52,170,49,190,202,6,105,219,251,52,245,7,49,252,22,
-157,26,85,25,64,205,59,127,102,158,160,246,63,74,7,135,23,53,2,65,48,227,
-223,205,64,160,0,48,76,60,244,238,80,40,0,20,19,15,76,59,148,10,0,7,5,195,
-211,14,230,74,72,130,99,203,167,98,129,64,1,32,120,247,243,80,40,0,44,15,
-47,142,10,5,0,6,130,230,217,191,127,37,2,128,3,192,246,111,206,160,80,0,
-136,30,220,62,19,151,160,123,116,238,79,94,129,240,223,221,73,32,0,48,110,
-88,119,100,223,181,68,16,94,91,250,238,200,160,80,0,152,31,61,59,148,10,0,
-21,4,231,199,151,69,2,128,5,192,250,97,220,160,80,0,192,127,255,128,20,23,
-134,30,92,242,164,34,19,207,167,45,59,179,233,205,229,37,129,127,255,0,0,
-191,255,128,0,63,255,197,131,246,203,203,158,157,251,160,0,0,0,0,0,90,98,
-32,3,166,156,30,53,32,249,165,131,76,223,159,62,94,70,172,114,16,176,144,
-60,56,250,19,18,5,159,25,89,32,121,180,238,42,30,129,229,221,140,164,122,7,
-147,46,50,129,232,62,61,251,120,97,199,208,156,129,83,127,0,50,250,69,3,
-252,131,32,248,250,242,229,151,119,72,240,3,254,148,0,2,168,254,0,0,255,
-167,0,33,68,88,32,0,33,64,176,2,170,254,0,0,255,169,0,33,69,220,32,0,33,67,
-184,2,172,254,0,0,255,171,8,137,144,0,0,0,0,0,0,0,128,68,73,4,195,187,126,
-226,8,4,178,16,41,164,32,147,7,136,52,193,240,0,18,17,48,124,0,8,133,76,31,
-0,3,33,147,7,192,1,8,116,193,240,0,82,127,255,132,47,65,11,137,191,174,45,
-153,98,242,229,191,144,105,4,95,47,46,91,249,32,211,185,6,94,92,183,242,65,
-163,14,236,155,52,238,206,0,85,255,192,6,13,167,157,109,57,123,136,144,31,
-245,192,3,5,231,179,78,60,163,9,0,2,10,199,248,0,3,254,192,4,32,249,242,
-244,147,187,163,129,116,128,24,66,51,229,233,87,78,238,142,5,210,0,65,8,
-207,151,164,157,221,24,182,23,72,1,140,39,62,94,149,116,238,232,197,176,
-186,64,8,97,25,242,244,147,187,163,54,66,233,0,50,132,231,203,210,174,157,
-221,25,178,23,72,1,20,43,62,94,145,182,111,195,209,155,33,116,128,17,194,
-179,229,233,27,102,252,61,27,52,23,72,1,36,31,158,94,146,119,116,112,50,
-208,3,8,71,60,189,42,233,221,209,192,203,64,8,33,28,242,244,147,187,163,22,
-195,45,0,49,132,243,203,210,174,157,221,24,182,25,104,1,12,35,158,94,146,
-119,116,102,200,101,160,6,80,158,121,122,85,211,187,163,54,67,45,0,34,133,
-115,203,210,54,205,248,122,51,100,50,208,2,56,87,60,189,35,108,223,135,163,
-102,131,45,0,36,7,255,248,1,11,50,136,132,115,235,139,15,46,88,124,140,36,
-0,4,43,79,224,139,16,0,0,0,0,0,0,60,15,192,101,253,152,0,5,109,252,17,98,0,
-0,0,0,0,0,7,129,248,12,191,181,0,0,174,63,130,44,64,0,0,0,0,0,0,240,63,1,
-151,246,224,0,21,215,240,69,136,0,0,0,0,0,0,0,8,0,50,254,228,0,2,188,254,8,
-177,0,0,0,0,0,0,0,1,0,6,95,221,128,0,87,223,193,22,32,0,0,0,0,0,0,8,32,0,
-203,251,208,0,11,3,248,34,196,0,0,0,0,0,0,1,4,0,25,127,126,0,1,97,127,4,88,
-128,0,0,0,0,0,0,32,128,3,47,240,64,0,44,79,224,139,16,0,0,0,0,0,0,8,16,0,
-101,254,24,0,5,141,252,1,96,216,247,238,199,135,162,162,33,90,121,197,221,
-143,126,77,59,179,172,146,17,167,156,46,185,179,101,228,176,65,89,77,16,
-124,123,246,240,195,203,40,162,64,0,193,255,138,5,144,158,89,112,228,171,
-39,119,71,2,232,132,114,203,135,36,157,221,28,11,164,0,66,25,203,46,28,149,
-100,238,232,197,180,200,162,233,0,1,134,114,203,135,37,89,59,186,49,109,10,
-40,186,64,2,97,124,178,225,201,39,119,70,45,166,69,23,72,0,140,47,150,92,
-57,36,238,232,197,180,40,162,233,0,25,134,114,203,135,37,89,59,186,51,101,
-50,40,186,64,0,161,156,178,225,201,86,78,238,140,217,66,138,46,144,0,168,
-95,44,184,114,73,221,209,155,41,145,69,210,0,37,11,229,151,14,73,59,186,51,
-101,10,40,186,64,6,161,124,178,225,201,27,102,252,61,38,69,23,72,0,28,47,
-150,92,57,35,108,223,135,164,40,162,233,0,11,134,114,203,135,36,77,253,113,
-108,203,50,40,186,64,1,33,156,178,225,201,19,127,92,91,50,194,138,46,144,0,
-200,87,44,184,114,85,147,187,164,200,162,237,0,5,133,114,203,135,37,89,59,
-186,66,138,46,208,0,216,79,44,184,114,73,221,210,100,81,118,128,10,194,121,
-101,195,146,78,238,144,162,139,180,0,118,21,223,150,158,153,106,201,221,
-209,192,203,33,61,249,105,233,150,78,238,142,6,90,0,33,13,239,203,79,76,
-181,100,238,232,197,180,200,163,45,0,1,134,247,229,167,166,90,178,119,116,
-98,218,20,81,150,128,4,195,59,242,211,211,44,157,221,24,182,153,20,101,160,
-2,48,206,252,180,244,203,39,119,70,45,161,69,25,104,0,204,55,191,45,61,50,
-213,147,187,163,54,83,34,140,180,0,10,27,223,150,158,153,106,201,221,209,
-155,40,81,70,90,0,21,12,239,203,79,76,178,119,116,102,202,100,81,150,128,9,
-67,59,242,211,211,44,157,221,25,178,133,20,101,160,3,80,206,252,180,244,
-203,27,102,252,61,38,69,25,104,0,28,51,191,45,61,50,198,217,191,15,72,81,
-70,90,0,23,13,239,203,79,76,177,55,245,197,179,44,200,163,45,0,4,134,247,
-229,167,166,88,155,250,226,217,150,20,81,150,128,6,66,251,242,211,211,45,
-89,59,186,76,138,51,16,0,88,95,126,90,122,101,171,39,119,72,81,70,98,0,27,
-10,239,203,79,76,178,119,116,153,20,102,32,2,176,174,252,180,244,203,39,
-119,72,81,70,98,0,58,40,173,176,82,90,4,19,54,157,155,21,217,6,203,199,174,
-29,156,197,9,7,199,191,111,12,60,178,138,20,0,6,9,143,127,15,42,208,130,
-243,217,167,30,81,132,65,123,242,211,211,42,228,0,
+DUK_INTERNAL const duk_uint8_t duk_builtins_data[3790] = {
+144,148,105,221,32,68,52,228,62,12,104,200,165,134,148,248,81,77,61,191,
+135,35,154,103,34,72,6,157,159,197,145,77,245,126,52,130,106,234,163,196,
+52,226,18,51,161,26,113,1,60,37,64,190,18,49,116,116,33,26,113,1,92,136,26,
+98,112,145,139,163,165,8,211,136,14,228,72,82,68,141,17,56,72,197,209,212,
+132,105,196,5,242,88,108,193,126,18,49,116,117,161,26,113,1,60,158,30,78,
+18,49,116,118,33,26,113,1,29,164,80,78,198,46,142,212,36,68,51,71,224,59,
+147,60,93,110,79,15,39,9,24,186,33,13,63,79,185,38,154,121,223,110,76,66,
+53,116,1,120,248,186,248,136,67,76,196,200,134,186,137,177,13,31,192,174,
+79,15,32,248,8,196,24,8,107,254,39,97,161,175,248,159,16,215,252,80,186,26,
+255,138,57,136,107,254,41,100,33,175,248,167,170,134,191,226,166,138,26,
+255,138,187,40,107,254,43,111,33,171,86,181,16,209,241,11,228,201,121,240,
+141,19,134,72,196,52,123,168,95,38,75,207,131,32,156,50,70,33,195,3,152,
+128,0,0,0,0,0,1,240,255,153,128,0,0,0,0,0,1,224,255,151,137,0,214,9,188,35,
+131,12,225,196,56,177,78,60,99,147,28,229,200,57,162,120,74,129,124,36,98,
+232,156,241,92,136,26,98,112,145,139,162,116,71,114,36,41,34,70,136,156,36,
+98,232,157,49,124,150,27,48,95,132,140,93,19,170,39,147,195,201,194,70,46,
+137,215,17,218,69,4,236,98,232,157,153,39,110,81,220,15,193,209,83,3,200,
+119,130,241,241,117,240,120,80,252,137,10,178,10,103,134,180,122,9,135,136,
+154,120,169,199,142,158,121,10,7,146,162,121,74,71,150,166,121,138,135,154,
+170,121,202,199,158,23,201,146,243,225,26,39,12,145,61,16,190,76,151,159,6,
+65,56,100,137,233,35,93,205,144,33,224,140,137,196,54,121,244,5,60,17,145,
+56,85,184,19,207,16,21,18,227,65,198,231,72,16,137,112,168,106,38,76,225,2,
+70,65,56,100,237,34,140,177,4,134,65,56,100,237,34,129,117,204,123,154,70,
+207,46,64,146,52,78,25,59,72,163,48,65,34,52,78,25,59,72,160,93,115,30,230,
+145,179,204,144,24,146,16,30,76,209,2,40,210,72,64,121,52,4,0,156,88,97,5,
+194,96,227,18,124,124,93,55,79,15,39,28,94,49,38,159,154,136,96,196,159,29,
+102,241,241,115,201,25,227,131,36,133,20,62,110,142,253,2,102,36,248,235,
+55,143,139,158,72,207,28,104,24,73,112,201,3,2,82,65,155,187,94,6,20,72,9,
+147,120,128,225,144,168,105,56,248,185,228,140,241,190,96,128,200,84,52,
+156,124,92,242,70,104,36,183,168,4,145,0,190,41,1,139,18,19,36,226,146,17,
+124,73,82,54,124,37,230,70,201,14,108,184,132,8,68,185,34,1,100,31,8,129,8,
+151,11,23,100,141,225,18,12,68,184,75,204,141,146,2,178,112,72,8,162,98,92,
+50,10,152,147,227,172,222,62,46,121,35,60,114,88,96,92,185,112,201,65,34,
+92,4,1,147,81,159,141,205,32,234,121,96,97,57,64,97,121,128,14,56,37,199,
+89,188,124,92,242,70,120,227,144,53,18,227,226,233,186,120,121,56,226,242,
+8,40,248,185,228,140,241,196,75,132,109,24,72,128,43,39,36,136,48,64,114,0,
+250,156,168,1,64,247,175,25,36,2,8,11,94,80,248,16,40,104,242,103,200,48,
+193,3,162,92,4,98,12,41,14,66,40,106,101,1,132,130,8,24,78,104,129,54,62,
+96,224,144,13,238,124,32,2,62,146,60,51,224,120,146,164,140,137,20,0,178,
+58,11,56,192,5,146,208,34,71,64,36,157,25,200,32,52,158,180,8,146,87,129,
+232,217,29,5,156,179,224,116,52,100,191,28,87,62,130,214,9,79,136,104,201,
+126,56,174,127,0,31,255,225,73,82,71,16,13,1,36,230,18,1,164,14,87,71,132,
+0,143,0,210,131,96,31,0,211,6,42,23,50,70,1,167,13,18,14,130,36,67,232,46,
+36,29,4,78,69,6,60,226,31,192,7,255,252,24,160,163,11,23,51,130,56,35,193,
+56,100,238,31,6,150,46,103,4,225,147,143,114,27,62,233,241,200,137,182,133,
+42,142,167,216,6,23,216,0,97,28,17,224,39,223,32,80,142,8,240,78,25,56,9,
+248,8,22,39,12,156,123,144,217,240,19,240,18,6,19,154,32,79,194,124,14,134,
+140,151,227,139,226,52,11,88,37,62,33,163,37,248,226,248,141,32,213,184,64,
+89,56,39,49,224,137,60,100,5,96,38,35,249,8,15,18,61,96,17,60,200,6,145,1,
+17,31,206,64,89,45,2,39,161,0,178,122,209,63,74,2,101,64,202,113,67,77,235,
+64,92,221,197,186,196,143,4,9,19,188,1,25,187,139,112,128,178,113,110,177,
+35,193,2,68,239,0,46,110,229,30,242,71,130,4,137,222,4,35,55,113,110,16,22,
+78,81,239,36,120,32,72,157,224,64,147,138,25,237,0,52,72,242,2,126,82,3,74,
+129,148,227,234,66,12,112,28,140,155,104,203,169,158,9,133,158,4,25,36,1,
+61,96,47,181,80,46,132,129,255,255,255,255,255,255,222,254,39,172,67,118,
+170,5,208,144,0,64,0,0,0,0,0,0,51,16,0,0,0,0,0,0,62,31,200,245,238,146,38,
+138,147,105,13,42,26,137,226,0,0,0,0,0,0,7,131,249,30,180,134,4,209,82,109,
+33,165,67,81,60,64,0,0,0,0,0,0,240,255,28,144,155,104,0,0,0,0,0,0,0,0,16,
+117,59,130,48,155,98,48,187,144,3,205,220,42,46,65,237,72,27,55,112,151,
+123,154,70,205,0,94,208,129,115,119,31,18,9,18,67,155,183,34,12,176,96,175,
+4,100,74,228,3,237,38,43,31,192,109,117,171,0,228,164,219,72,0,0,0,0,0,0,
+248,127,196,234,111,0,50,110,224,193,50,114,83,138,26,107,192,131,38,238,
+77,12,39,37,56,161,166,188,11,132,188,12,74,110,226,220,32,44,156,24,38,78,
+74,113,67,77,120,28,148,221,197,184,64,89,57,52,48,156,148,226,134,154,240,
+64,195,94,8,56,123,193,11,85,116,140,45,240,3,152,147,228,208,194,95,0,89,
+137,62,22,139,95,48,64,70,200,67,28,98,79,180,152,139,218,45,124,193,1,27,
+33,16,65,137,62,49,205,153,236,132,81,102,36,251,73,137,157,115,102,123,33,
+24,57,137,62,12,19,37,144,142,40,196,159,105,49,15,160,153,44,132,128,198,
+36,248,48,98,200,73,18,98,79,180,152,135,208,98,200,74,16,98,79,135,117,35,
+43,33,44,89,137,62,210,98,63,93,72,202,200,76,20,98,79,140,67,105,50,74,
+200,77,26,98,79,180,152,153,212,54,147,36,172,132,225,70,36,249,34,9,205,
+28,172,132,241,166,36,251,73,138,93,32,156,209,202,200,80,30,98,79,140,66,
+214,137,16,78,104,229,100,40,146,49,39,218,76,76,234,22,180,72,130,115,71,
+43,33,72,137,137,62,77,12,38,92,210,113,197,44,137,59,64,7,145,39,201,161,
+132,184,64,249,18,124,98,22,180,72,130,115,71,43,101,76,148,137,62,210,98,
+103,80,181,162,68,19,154,57,91,42,130,164,73,242,68,19,154,57,91,95,84,108,
+137,62,210,98,151,72,39,52,114,182,190,176,169,18,124,98,27,73,146,86,223,
+215,27,34,79,180,152,153,212,54,147,36,173,191,176,34,68,159,14,234,70,86,
+231,217,23,34,79,180,152,143,215,82,50,183,62,208,121,18,124,24,38,75,101,
+108,84,137,62,210,98,31,65,50,91,43,130,36,73,241,142,108,207,109,125,209,
+114,36,251,73,137,157,115,102,123,107,239,11,145,39,194,209,107,230,8,8,
+219,127,124,116,137,62,210,98,47,104,181,243,4,4,109,191,192,135,49,39,204,
+16,17,178,24,32,242,36,249,130,2,54,203,7,6,104,14,76,131,140,144,0,0,0,0,
+0,0,0,1,141,207,215,12,78,126,193,46,190,126,192,98,179,246,4,197,231,236,
+10,193,9,114,11,172,64,73,146,83,236,145,169,237,1,6,120,14,78,129,179,40,
+249,18,149,175,207,141,199,27,76,248,156,81,177,207,139,198,9,169,199,129,
+58,136,19,202,11,179,20,240,149,2,248,72,197,209,200,148,162,117,48,39,148,
+151,102,42,228,64,211,19,132,140,93,28,137,74,39,85,2,121,81,118,98,238,68,
+133,36,72,209,19,132,140,93,28,137,74,39,87,2,121,89,118,98,190,75,13,152,
+47,194,70,46,142,68,165,19,172,129,60,176,187,49,79,39,135,147,132,140,93,
+28,137,74,39,91,2,121,105,118,98,142,210,40,39,99,23,71,34,82,135,8,128,
+120,72,13,42,226,145,97,87,224,168,1,58,182,232,232,64,22,85,181,187,177,
+107,2,64,7,213,183,74,7,121,207,215,242,17,119,49,248,94,173,198,210,36,15,
+232,34,182,84,113,95,115,240,221,91,141,163,160,72,1,220,164,194,175,121,
+123,103,224,186,244,64,24,45,68,84,251,33,9,64,15,217,66,51,209,218,210,
+129,154,118,254,205,61,65,204,126,23,178,132,103,165,3,52,237,253,154,122,
+131,216,252,167,224,121,44,48,46,95,203,166,238,74,113,67,77,201,128,219,
+152,164,82,6,0,203,76,64,64,9,210,211,18,4,4,144,221,49,40,64,76,13,211,19,
+5,4,192,221,45,66,1,4,24,207,76,82,2,8,136,94,152,156,24,157,45,49,64,6,75,
+191,76,80,66,149,110,116,116,197,8,41,240,247,79,70,188,6,183,27,76,80,194,
+45,198,210,211,20,144,171,113,180,116,52,197,40,27,1,125,34,240,27,16,221,
+42,240,27,221,109,66,32,104,129,163,115,52,224,5,139,168,209,233,138,32,57,
+33,186,98,138,18,80,140,244,197,24,28,192,221,49,71,11,56,209,162,211,20,
+183,1,66,188,17,145,52,40,9,148,226,134,153,5,198,137,136,32,14,12,30,164,
+140,144,230,192,0,0,0,0,128,136,211,64,182,120,43,135,126,16,68,52,174,195,
+144,12,2,158,4,128,70,22,24,128,101,67,112,163,192,100,104,176,131,192,99,
+32,176,99,192,226,115,30,1,79,4,68,28,16,54,0,0,41,254,232,116,62,204,7,21,
+35,18,54,127,80,28,192,132,28,32,14,96,197,212,243,193,48,188,240,39,130,
+236,224,175,131,117,2,178,112,145,139,163,145,131,114,70,46,142,218,27,182,
+72,197,209,219,56,26,53,161,166,32,128,56,18,2,129,239,94,50,76,130,68,230,
+202,113,160,167,146,94,163,134,66,161,164,227,226,231,146,51,198,249,147,
+71,209,67,73,210,94,24,49,39,199,89,188,124,92,242,70,120,224,201,33,69,15,
+155,163,191,68,28,98,79,143,139,166,233,225,228,227,139,198,37,210,244,208,
+24,137,112,151,153,27,36,5,100,224,146,105,184,100,196,95,18,84,141,159,9,
+121,145,178,67,155,46,33,38,187,168,252,211,243,81,92,2,14,40,16,50,37,202,
+160,150,154,67,152,148,20,28,76,156,89,26,105,158,63,232,16,44,150,129,18,
+146,44,28,96,14,98,216,80,113,50,113,100,105,166,120,255,160,20,28,76,156,
+113,75,34,78,63,236,3,6,133,41,35,31,242,18,195,152,147,226,27,61,138,41,
+140,16,98,79,148,67,103,177,69,45,136,49,39,196,54,122,58,212,83,26,36,196,
+159,40,134,207,71,90,138,92,16,98,79,136,108,244,244,168,166,56,73,137,62,
+81,13,158,158,149,20,186,40,196,159,10,183,2,122,122,84,82,240,163,18,124,
+42,220,9,235,106,81,75,225,228,73,241,13,158,197,54,198,8,145,39,202,33,
+179,216,166,214,196,72,147,226,27,61,29,106,109,141,19,34,79,148,67,103,
+163,173,77,174,8,145,39,196,54,122,122,84,219,28,38,68,159,40,134,207,79,
+74,155,93,21,34,79,133,91,129,61,61,42,109,120,84,137,62,21,110,4,245,181,
+41,181,248,56,224,28,24,80,113,50,113,100,105,166,120,255,160,20,28,76,156,
+113,75,34,78,63,236,3,6,133,41,35,31,242,11,174,254,160,34,84,8,35,16,98,
+146,38,55,32,33,30,135,19,36,182,158,72,237,17,100,97,27,56,0,0,0,0,0,0,30,
+7,230,56,199,161,30,135,19,36,182,158,72,237,17,100,97,27,56,0,0,0,0,0,0,
+30,7,230,55,36,33,30,135,19,36,182,158,72,237,17,100,97,27,56,0,0,0,0,0,0,
+30,7,234,40,11,91,133,199,172,8,111,248,128,239,88,16,222,56,191,242,49,
+198,69,8,244,56,153,37,180,242,71,104,139,35,8,217,192,0,0,0,0,0,0,240,63,
+49,185,65,8,244,56,153,37,180,242,71,104,139,35,8,217,192,0,0,0,0,0,0,240,
+63,49,198,77,8,244,56,153,37,180,242,71,104,139,35,8,217,192,0,0,0,0,0,0,
+240,63,49,185,97,8,244,56,153,37,180,242,71,104,139,35,8,217,192,0,0,0,0,0,
+0,0,64,49,198,85,8,244,56,153,37,180,242,71,104,139,35,8,217,192,0,0,0,0,0,
+0,0,64,49,185,129,8,244,56,153,37,180,242,71,104,139,35,8,217,192,0,0,0,0,
+0,0,0,64,49,198,93,8,244,56,153,37,180,242,71,104,139,35,8,217,192,0,0,0,0,
+0,0,0,64,49,185,161,8,244,56,153,37,180,242,71,104,139,35,8,217,192,0,0,0,
+0,0,0,16,64,49,198,101,8,244,56,153,37,180,242,71,104,139,35,8,217,192,0,0,
+0,0,0,0,16,64,49,185,193,8,244,56,153,37,180,242,71,104,139,35,8,217,192,0,
+0,0,0,0,0,16,64,49,198,109,8,244,56,153,37,180,242,71,104,139,35,8,217,192,
+0,0,0,0,0,0,16,64,49,185,225,8,244,56,153,37,180,242,71,104,139,35,8,217,
+192,0,0,0,0,0,0,16,64,49,198,117,8,244,56,153,37,180,242,71,104,139,35,8,
+217,192,0,0,0,0,0,0,16,64,49,186,1,8,244,56,153,37,180,242,71,104,139,35,8,
+217,192,0,0,0,0,0,0,32,64,49,198,125,8,244,56,153,37,180,242,71,104,139,35,
+8,217,192,0,0,0,0,0,0,32,64,32,232,130,0,97,57,162,4,245,72,10,68,184,70,
+137,195,67,77,175,32,66,37,192,208,165,36,117,196,10,14,38,78,44,141,52,
+207,169,64,56,156,199,130,36,160,141,146,52,38,32,76,72,1,246,136,235,103,
+177,69,1,17,32,7,196,54,123,20,82,88,200,144,3,237,17,214,207,71,91,171,37,
+20,65,145,32,7,218,35,173,158,142,183,66,74,41,16,92,72,1,241,13,158,142,
+183,86,74,41,48,92,72,1,241,13,158,142,183,66,74,41,80,100,72,1,246,136,
+235,103,167,165,213,146,138,40,200,144,3,237,17,214,207,79,75,161,37,20,
+138,46,36,0,248,134,207,79,75,171,37,20,154,46,36,0,248,134,207,79,75,161,
+37,20,170,46,36,0,248,85,184,19,234,201,69,24,92,72,1,240,171,112,39,208,
+146,138,70,25,18,0,124,27,168,21,147,171,37,20,113,145,32,7,193,186,129,89,
+58,18,81,72,226,162,64,15,180,71,91,62,172,148,90,0,168,144,3,237,17,214,
+207,161,37,22,144,38,36,0,248,134,207,171,37,22,160,38,36,0,248,134,207,
+161,37,22,176,42,209,68,201,218,35,173,158,197,54,4,218,40,153,56,134,207,
+98,155,75,27,104,162,100,237,17,214,207,71,91,171,37,54,65,182,138,38,78,
+209,29,108,244,117,186,18,83,104,131,45,20,76,156,67,103,163,173,213,146,
+155,76,25,104,162,100,226,27,61,29,110,132,148,218,160,219,69,19,39,104,
+142,182,122,122,93,89,41,178,141,180,81,50,118,136,235,103,167,165,208,146,
+155,69,25,104,162,100,226,27,61,61,46,172,148,218,104,203,69,19,39,16,217,
+233,233,116,36,166,213,70,90,40,153,56,85,184,19,234,201,77,152,101,162,
+137,147,133,91,129,62,132,148,218,48,219,69,19,39,6,234,5,100,234,201,77,
+156,109,162,137,147,131,117,2,178,116,36,166,209,197,218,40,153,59,68,117,
+179,234,201,78,32,11,180,81,50,118,136,235,103,208,146,156,72,21,104,162,
+100,226,27,62,172,148,226,128,171,69,19,39,16,217,244,36,167,22,53,59,22,
+53,91,0,2,21,11,94,181,128,196,133,0,185,80,32,56,156,199,130,36,160,72,16,
+78,126,53,144,5,146,208,34,82,72,1,109,20,76,155,40,32,233,0,115,70,130,8,
+209,56,104,105,187,252,193,3,17,162,112,201,242,18,65,211,0,230,149,132,17,
+162,112,208,211,119,248,0,82,130,96,95,127,128,130,80,102,186,36,232,92,
+206,255,1,80,48,200,39,12,158,241,64,
};
#elif defined(DUK_USE_DOUBLE_BE)
-DUK_INTERNAL const duk_uint8_t duk_builtins_data[3833] = {
-105,195,75,32,3,148,52,154,248,9,26,13,128,112,105,0,240,22,20,26,95,124,6,
-152,52,137,0,120,99,74,239,129,18,70,241,191,2,98,13,79,32,42,88,210,90,2,
-240,1,50,141,37,168,76,94,216,118,69,229,203,127,44,0,84,163,73,106,21,75,
-14,236,249,98,242,229,191,150,0,46,81,164,181,14,165,151,54,94,89,119,99,
-203,23,151,45,252,176,1,146,141,37,168,93,63,59,186,97,241,23,151,45,252,
-176,1,178,141,37,168,77,79,60,50,197,229,203,127,44,0,116,163,73,106,17,86,
-148,152,188,185,111,229,128,15,148,129,198,137,36,58,166,142,91,251,212,
-243,195,44,94,92,183,242,13,79,8,45,14,91,252,121,148,52,199,120,63,72,105,
-21,240,118,128,210,237,224,245,17,165,43,224,211,55,231,207,151,148,161,70,
-145,0,31,40,107,26,2,18,138,26,228,192,142,0,16,161,174,76,9,74,26,228,192,
-158,0,8,161,174,76,10,96,2,42,26,228,192,174,0,26,161,174,76,11,96,3,74,26,
-228,192,190,0,44,161,174,76,12,96,3,202,26,228,192,206,0,70,161,169,84,14,
-202,3,255,254,32,234,3,255,192,0,0,0,0,0,0,119,1,255,192,0,0,0,0,0,0,57,
-136,1,152,32,16,194,0,166,24,6,49,0,57,138,2,12,96,18,99,128,163,32,5,153,
-40,76,94,216,118,69,229,203,127,35,41,10,165,135,118,124,177,121,114,223,
-200,203,67,169,101,205,151,150,93,216,242,197,229,203,127,35,49,11,167,231,
-119,76,62,34,242,229,191,145,154,132,212,243,195,44,94,92,183,242,51,144,
-138,180,164,197,229,203,127,35,60,6,26,0,52,208,193,226,117,215,211,15,12,
-166,146,11,67,150,255,30,77,24,58,113,64,243,92,8,27,0,68,217,130,70,212,
-19,54,224,161,185,5,77,216,44,111,65,115,126,12,28,16,100,225,156,16,32,18,
-17,195,15,46,121,100,238,232,136,136,87,12,60,185,229,141,179,126,30,136,
-100,130,233,231,59,12,228,34,66,52,243,141,167,118,158,153,80,73,9,201,151,
-30,252,153,106,210,146,118,72,150,76,184,247,228,203,86,148,152,123,246,
-240,223,187,46,238,135,132,132,229,221,143,126,76,181,105,73,61,36,75,46,
-236,123,242,101,171,74,76,61,251,120,111,221,151,119,67,226,65,178,243,199,
-135,134,83,242,66,58,238,203,207,30,30,25,81,201,5,225,203,78,238,136,163,
-208,92,59,50,242,232,138,62,0,2,38,163,19,255,255,224,142,80,192,0,20,31,
-240,14,135,103,203,210,135,45,253,55,244,243,195,44,252,205,197,0,1,18,221,
-82,0,3,24,207,151,164,254,251,168,114,223,195,47,46,158,98,101,231,143,150,
-158,29,55,242,104,68,79,62,94,147,251,238,161,203,127,12,188,186,121,157,
-135,110,94,109,100,131,99,229,151,15,76,172,168,8,89,217,16,201,151,54,157,
-217,104,114,223,195,47,46,154,114,243,102,68,19,158,92,59,27,73,6,205,203,
-46,95,89,91,74,0,3,17,225,203,47,108,187,186,69,241,211,46,238,122,119,238,
-230,216,72,70,158,116,242,225,217,151,35,81,33,26,121,198,229,191,214,93,
-205,69,0,1,134,105,231,23,199,76,187,185,233,197,179,43,73,32,154,242,249,
-230,214,80,0,31,255,193,2,38,103,110,117,24,81,115,0,78,228,0,161,208,16,
-237,24,121,207,239,186,135,45,252,50,242,233,229,188,144,221,60,232,114,
-223,211,127,79,60,50,207,204,224,72,167,14,91,248,101,229,211,204,158,113,
-119,117,219,151,150,28,91,50,184,144,40,95,224,0,15,248,64,4,20,78,129,5,
-195,195,134,207,38,232,130,99,195,179,97,201,244,19,22,157,217,14,15,130,
-135,254,0,48,125,60,224,242,229,135,200,9,1,255,12,2,162,136,112,2,112,80,
-128,0,193,177,239,221,143,15,64,35,224,152,20,144,62,27,248,3,2,9,195,175,
-61,0,231,208,126,89,123,101,229,207,40,72,32,188,244,105,205,208,40,16,94,
-123,52,227,202,22,136,39,61,252,186,6,18,13,207,134,205,56,242,134,175,65,
-250,238,231,163,78,110,129,231,208,125,59,178,101,241,63,48,25,248,0,12,47,
-102,30,125,36,238,201,151,196,252,192,103,255,255,240,92,189,178,242,242,8,
-105,4,231,191,110,80,67,80,0,24,62,109,252,162,225,199,160,16,212,0,10,7,
-183,15,0,67,80,0,56,54,109,59,58,101,228,8,106,0,9,6,229,151,39,92,121,66,
-15,192,0,97,124,178,228,235,143,45,45,57,244,116,8,63,255,255,10,39,248,0,
-195,51,114,223,182,30,140,60,161,239,201,149,248,248,31,241,0,140,80,129,
-202,10,49,128,10,35,1,6,199,163,15,40,61,32,9,10,199,163,15,40,123,242,101,
-131,210,4,144,108,123,247,99,195,210,8,250,15,167,118,76,190,39,230,131,52,
-133,236,195,207,164,157,217,50,248,159,154,12,212,0,6,27,179,126,60,59,50,
-195,223,183,134,30,89,97,9,5,219,135,166,61,16,164,131,242,203,195,102,28,
-121,97,145,6,231,151,15,44,122,33,201,5,231,179,78,60,177,8,130,243,225,
-179,79,72,148,66,121,245,197,207,167,45,59,179,197,162,23,211,124,205,253,
-242,242,135,135,158,87,240,68,122,111,153,191,30,29,153,102,111,239,151,
-148,60,60,242,191,130,23,211,125,94,28,50,242,135,135,158,87,240,128,0,196,
-122,111,153,191,30,29,153,106,240,225,151,148,60,60,242,191,132,0,6,9,211,
-150,157,177,160,131,115,235,139,159,78,81,72,10,47,248,0,3,254,40,17,138,
-48,66,136,152,64,0,66,129,48,5,27,252,88,76,216,54,47,214,131,50,172,88,15,
-253,255,255,255,255,255,255,240,153,178,103,95,173,6,101,88,176,0,0,0,0,0,
-0,0,0,67,168,15,255,0,0,0,0,0,0,17,26,19,233,201,169,38,180,91,242,103,70,
-147,58,77,75,48,31,252,0,0,0,0,0,0,34,51,162,199,131,82,77,104,183,228,206,
-141,38,116,154,150,96,127,248,0,0,0,0,0,0,0,15,248,192,70,40,0,0,0,0,0,0,0,
-0,3,10,44,68,9,216,8,20,49,130,15,211,124,109,62,50,228,95,36,55,166,248,
-190,56,111,221,151,119,77,56,118,47,18,23,211,125,14,89,113,233,231,167,
-126,230,18,5,31,252,0,224,188,48,242,231,148,116,144,58,181,33,143,127,64,
-247,111,238,56,0,127,199,2,49,72,127,248,0,0,0,0,0,0,180,81,36,4,51,166,
-248,152,122,101,167,211,150,157,217,201,2,0,3,12,233,190,166,157,185,105,
-244,229,167,118,114,64,128,1,4,228,129,0,3,137,116,223,51,126,60,59,50,196,
-195,211,45,62,156,180,238,206,72,16,0,72,151,77,243,55,227,195,179,45,77,
-59,114,211,233,203,78,236,228,129,0,5,10,73,2,0,12,21,18,4,0,28,82,35,32,
-80,74,8,62,124,189,42,105,219,148,148,16,188,249,122,70,235,179,101,156,
-184,121,15,132,0,34,29,159,47,74,181,33,198,235,179,101,156,184,121,15,132,
-0,38,17,159,47,73,187,247,116,208,62,16,0,168,94,124,189,42,212,135,55,126,
-238,154,7,194,0,23,7,207,151,164,76,61,50,143,132,0,50,21,159,47,74,181,33,
-196,195,211,40,248,64,3,96,217,242,244,137,135,200,248,64,3,161,57,242,244,
-171,82,28,76,62,71,194,0,31,8,207,151,164,141,253,121,115,31,8,0,132,47,62,
-94,149,106,67,145,191,175,46,99,225,0,17,133,103,203,210,110,157,221,122,
-101,230,62,16,1,40,110,124,189,42,212,135,55,78,238,189,50,243,31,8,0,156,
-43,62,94,148,242,227,223,187,39,49,240,128,10,67,115,229,233,86,164,58,121,
-113,239,221,147,152,248,64,5,97,249,242,244,155,167,102,205,60,242,227,223,
-187,39,49,240,128,11,68,179,229,233,86,164,57,186,118,108,211,207,46,61,
-251,178,115,31,8,0,188,71,62,94,149,52,237,203,235,126,236,179,243,102,231,
-151,161,0,32,252,242,244,169,167,110,82,34,67,249,229,233,55,78,205,154,
-121,229,199,191,118,78,100,37,0,24,137,115,203,210,173,72,115,116,236,217,
-167,158,92,123,247,100,230,66,80,1,152,87,60,189,41,229,199,191,118,78,100,
-43,224,3,80,222,121,122,85,169,14,158,92,123,247,100,230,66,190,0,55,10,
-231,151,164,221,59,186,244,203,204,133,252,0,114,27,207,47,74,181,33,205,
-211,187,175,76,188,200,95,192,7,97,28,242,244,145,191,175,46,100,51,224,3,
-208,190,121,122,85,169,14,70,254,188,185,144,207,128,15,193,249,229,233,19,
-15,76,164,37,0,32,133,115,203,210,173,72,113,48,244,202,66,80,2,24,71,60,
-189,38,239,221,211,65,10,248,1,20,47,158,94,149,106,67,155,191,119,77,4,43,
-224,4,112,190,121,122,70,235,179,101,156,184,121,16,191,128,18,67,185,229,
-233,86,164,56,221,118,108,179,151,15,34,23,240,2,88,62,124,189,44,229,195,
-200,124,32,4,208,126,121,122,89,203,135,145,9,64,9,194,145,254,0,0,255,144,
-24,100,130,14,0,16,176,2,192,129,11,33,12,1,168,193,108,96,186,48,95,32,0,
-0,0,0,0,0,0,0,56,38,95,25,113,189,18,9,211,47,62,143,100,20,95,0,20,159,
-240,0,7,252,144,162,241,2,195,66,7,11,89,204,140,197,252,229,197,226,230,
-115,3,16,69,19,64,5,43,252,0,9,255,40,16,188,33,49,123,97,217,23,151,45,
-252,131,66,7,0,20,191,240,0,39,252,176,66,240,133,82,195,187,62,88,188,185,
-111,228,26,16,56,0,166,127,128,1,63,230,2,23,132,58,150,92,217,121,101,221,
-143,44,94,92,183,242,13,8,28,0,83,127,192,0,159,243,65,11,194,23,79,206,
-238,152,124,69,229,203,127,32,208,129,192,5,59,252,0,9,255,56,16,188,33,53,
-60,240,203,23,151,45,252,131,66,7,0,20,255,240,0,39,252,240,66,240,132,85,
-165,38,47,46,91,249,6,132,14,0,31,255,228,64,98,192,64,5,191,10,139,20,87,
-105,130,76,156,197,132,4,0,38,187,27,187,85,81,104,28,201,204,160,31,243,
-23,33,127,125,28,247,193,102,79,142,202,44,3,255,113,84,118,82,184,47,232,
-52,201,241,216,176,139,0,255,111,45,236,84,155,148,58,5,66,76,4,0,146,31,
-181,68,66,209,136,61,58,52,170,49,190,202,1,255,53,4,243,51,249,222,108,22,
-157,26,85,25,64,63,246,160,158,102,127,59,205,74,7,135,23,53,2,65,48,227,
-223,205,64,160,0,48,76,60,244,238,80,40,0,20,19,15,76,59,148,10,0,7,5,195,
-211,14,230,74,72,130,99,203,167,98,129,64,1,32,120,247,243,80,40,0,44,15,
-47,142,10,5,0,6,130,230,217,191,127,37,2,128,3,192,246,111,206,160,80,0,
-136,30,220,62,19,151,160,123,116,238,79,94,129,240,223,221,73,32,0,48,110,
-88,119,100,223,181,68,16,94,91,250,238,200,160,80,0,152,31,61,59,148,10,0,
-21,4,231,199,151,69,2,128,5,192,250,97,220,160,80,0,192,127,255,128,20,23,
-134,30,92,242,164,34,19,207,167,45,59,179,233,205,229,37,129,127,255,0,0,
-191,255,128,0,63,255,197,131,246,203,203,158,157,251,160,32,98,90,0,0,0,0,
-0,3,166,156,30,53,32,249,165,131,76,223,159,62,94,70,172,114,16,176,144,60,
-56,250,19,18,5,159,25,89,32,121,180,238,42,30,129,229,221,140,164,122,7,
-147,46,50,129,232,62,61,251,120,97,199,208,156,129,83,127,0,50,250,69,3,
-252,131,32,248,250,242,229,151,119,72,240,3,254,148,0,2,168,254,0,0,255,
-167,0,33,68,88,32,0,33,64,176,2,170,254,0,0,255,169,0,33,69,220,32,0,33,67,
-184,2,172,254,0,0,255,171,8,137,144,128,0,0,0,0,0,0,0,68,73,4,195,187,126,
-226,8,4,178,16,41,164,32,147,7,136,52,193,240,0,18,17,48,124,0,8,133,76,31,
-0,3,33,147,7,192,1,8,116,193,240,0,82,127,255,132,47,65,11,137,191,174,45,
-153,98,242,229,191,144,105,4,95,47,46,91,249,32,211,185,6,94,92,183,242,65,
-163,14,236,155,52,238,206,0,85,255,192,6,13,167,157,109,57,123,136,144,31,
-245,192,3,5,231,179,78,60,163,9,0,2,10,199,248,0,3,254,192,4,32,249,242,
-244,147,187,163,129,116,128,24,66,51,229,233,87,78,238,142,5,210,0,65,8,
-207,151,164,157,221,24,182,23,72,1,140,39,62,94,149,116,238,232,197,176,
-186,64,8,97,25,242,244,147,187,163,54,66,233,0,50,132,231,203,210,174,157,
-221,25,178,23,72,1,20,43,62,94,145,182,111,195,209,155,33,116,128,17,194,
-179,229,233,27,102,252,61,27,52,23,72,1,36,31,158,94,146,119,116,112,50,
-208,3,8,71,60,189,42,233,221,209,192,203,64,8,33,28,242,244,147,187,163,22,
-195,45,0,49,132,243,203,210,174,157,221,24,182,25,104,1,12,35,158,94,146,
-119,116,102,200,101,160,6,80,158,121,122,85,211,187,163,54,67,45,0,34,133,
-115,203,210,54,205,248,122,51,100,50,208,2,56,87,60,189,35,108,223,135,163,
-102,131,45,0,36,7,255,248,1,11,50,136,132,115,235,139,15,46,88,124,140,36,
-0,4,43,79,224,139,16,15,252,0,0,0,0,0,0,0,101,253,152,0,5,109,252,17,98,1,
-255,128,0,0,0,0,0,0,12,191,181,0,0,174,63,130,44,64,63,240,0,0,0,0,0,0,1,
-151,246,224,0,21,215,240,69,136,8,0,0,0,0,0,0,0,0,50,254,228,0,2,188,254,8,
-177,1,0,0,0,0,0,0,0,0,6,95,221,128,0,87,223,193,22,32,32,8,0,0,0,0,0,0,0,
-203,251,208,0,11,3,248,34,196,4,1,0,0,0,0,0,0,0,25,127,126,0,1,97,127,4,88,
-128,128,32,0,0,0,0,0,0,3,47,240,64,0,44,79,224,139,16,16,8,0,0,0,0,0,0,0,
-101,254,24,0,5,141,252,1,96,216,247,238,199,135,162,162,33,90,121,197,221,
-143,126,77,59,179,172,146,17,167,156,46,185,179,101,228,176,65,89,77,16,
-124,123,246,240,195,203,40,162,64,0,193,255,138,5,144,158,89,112,228,171,
-39,119,71,2,232,132,114,203,135,36,157,221,28,11,164,0,66,25,203,46,28,149,
-100,238,232,197,180,200,162,233,0,1,134,114,203,135,37,89,59,186,49,109,10,
-40,186,64,2,97,124,178,225,201,39,119,70,45,166,69,23,72,0,140,47,150,92,
-57,36,238,232,197,180,40,162,233,0,25,134,114,203,135,37,89,59,186,51,101,
-50,40,186,64,0,161,156,178,225,201,86,78,238,140,217,66,138,46,144,0,168,
-95,44,184,114,73,221,209,155,41,145,69,210,0,37,11,229,151,14,73,59,186,51,
-101,10,40,186,64,6,161,124,178,225,201,27,102,252,61,38,69,23,72,0,28,47,
-150,92,57,35,108,223,135,164,40,162,233,0,11,134,114,203,135,36,77,253,113,
-108,203,50,40,186,64,1,33,156,178,225,201,19,127,92,91,50,194,138,46,144,0,
-200,87,44,184,114,85,147,187,164,200,162,237,0,5,133,114,203,135,37,89,59,
-186,66,138,46,208,0,216,79,44,184,114,73,221,210,100,81,118,128,10,194,121,
-101,195,146,78,238,144,162,139,180,0,118,21,223,150,158,153,106,201,221,
-209,192,203,33,61,249,105,233,150,78,238,142,6,90,0,33,13,239,203,79,76,
-181,100,238,232,197,180,200,163,45,0,1,134,247,229,167,166,90,178,119,116,
-98,218,20,81,150,128,4,195,59,242,211,211,44,157,221,24,182,153,20,101,160,
-2,48,206,252,180,244,203,39,119,70,45,161,69,25,104,0,204,55,191,45,61,50,
-213,147,187,163,54,83,34,140,180,0,10,27,223,150,158,153,106,201,221,209,
-155,40,81,70,90,0,21,12,239,203,79,76,178,119,116,102,202,100,81,150,128,9,
-67,59,242,211,211,44,157,221,25,178,133,20,101,160,3,80,206,252,180,244,
-203,27,102,252,61,38,69,25,104,0,28,51,191,45,61,50,198,217,191,15,72,81,
-70,90,0,23,13,239,203,79,76,177,55,245,197,179,44,200,163,45,0,4,134,247,
-229,167,166,88,155,250,226,217,150,20,81,150,128,6,66,251,242,211,211,45,
-89,59,186,76,138,51,16,0,88,95,126,90,122,101,171,39,119,72,81,70,98,0,27,
-10,239,203,79,76,178,119,116,153,20,102,32,2,176,174,252,180,244,203,39,
-119,72,81,70,98,0,58,40,173,176,82,90,4,19,54,157,155,21,217,6,203,199,174,
-29,156,197,9,7,199,191,111,12,60,178,138,20,0,6,9,143,127,15,42,208,130,
-243,217,167,30,81,132,65,123,242,211,211,42,228,0,
+DUK_INTERNAL const duk_uint8_t duk_builtins_data[3790] = {
+144,148,105,221,32,68,52,228,62,12,104,200,165,134,148,248,81,77,61,191,
+135,35,154,103,34,72,6,157,159,197,145,77,245,126,52,130,106,234,163,196,
+52,226,18,51,161,26,113,1,60,37,64,190,18,49,116,116,33,26,113,1,92,136,26,
+98,112,145,139,163,165,8,211,136,14,228,72,82,68,141,17,56,72,197,209,212,
+132,105,196,5,242,88,108,193,126,18,49,116,117,161,26,113,1,60,158,30,78,
+18,49,116,118,33,26,113,1,29,164,80,78,198,46,142,212,36,68,51,71,224,59,
+147,60,93,110,79,15,39,9,24,186,33,13,63,79,185,38,154,121,223,110,76,66,
+53,116,1,120,248,186,248,136,67,76,196,200,134,186,137,177,13,31,192,174,
+79,15,32,248,8,196,24,8,107,254,39,97,161,175,248,159,16,215,252,80,186,26,
+255,138,57,136,107,254,41,100,33,175,248,167,170,134,191,226,166,138,26,
+255,138,187,40,107,254,43,111,33,171,86,181,16,209,241,11,228,201,121,240,
+141,19,134,72,196,52,123,168,95,38,75,207,131,32,156,50,70,33,195,3,152,
+128,255,240,0,0,0,0,0,1,153,128,255,224,0,0,0,0,0,1,151,137,0,214,9,188,35,
+131,12,225,196,56,177,78,60,99,147,28,229,200,57,162,120,74,129,124,36,98,
+232,156,241,92,136,26,98,112,145,139,162,116,71,114,36,41,34,70,136,156,36,
+98,232,157,49,124,150,27,48,95,132,140,93,19,170,39,147,195,201,194,70,46,
+137,215,17,218,69,4,236,98,232,157,153,39,110,81,220,15,193,209,83,3,200,
+119,130,241,241,117,240,120,80,252,137,10,178,10,103,134,180,122,9,135,136,
+154,120,169,199,142,158,121,10,7,146,162,121,74,71,150,166,121,138,135,154,
+170,121,202,199,158,23,201,146,243,225,26,39,12,145,61,16,190,76,151,159,6,
+65,56,100,137,233,35,93,205,144,33,224,140,137,196,54,121,244,5,60,17,145,
+56,85,184,19,207,16,21,18,227,65,198,231,72,16,137,112,168,106,38,76,225,2,
+70,65,56,100,237,34,140,177,4,134,65,56,100,237,34,129,117,204,123,154,70,
+207,46,64,146,52,78,25,59,72,163,48,65,34,52,78,25,59,72,160,93,115,30,230,
+145,179,204,144,24,146,16,30,76,209,2,40,210,72,64,121,52,4,0,156,88,97,5,
+194,96,227,18,124,124,93,55,79,15,39,28,94,49,38,159,154,136,96,196,159,29,
+102,241,241,115,201,25,227,131,36,133,20,62,110,142,253,2,102,36,248,235,
+55,143,139,158,72,207,28,104,24,73,112,201,3,2,82,65,155,187,94,6,20,72,9,
+147,120,128,225,144,168,105,56,248,185,228,140,241,190,96,128,200,84,52,
+156,124,92,242,70,104,36,183,168,4,145,0,190,41,1,139,18,19,36,226,146,17,
+124,73,82,54,124,37,230,70,201,14,108,184,132,8,68,185,34,1,100,31,8,129,8,
+151,11,23,100,141,225,18,12,68,184,75,204,141,146,2,178,112,72,8,162,98,92,
+50,10,152,147,227,172,222,62,46,121,35,60,114,88,96,92,185,112,201,65,34,
+92,4,1,147,81,159,141,205,32,234,121,96,97,57,64,97,121,128,14,56,37,199,
+89,188,124,92,242,70,120,227,144,53,18,227,226,233,186,120,121,56,226,242,
+8,40,248,185,228,140,241,196,75,132,109,24,72,128,43,39,36,136,48,64,114,0,
+250,156,168,1,64,247,175,25,36,2,8,11,94,80,248,16,40,104,242,103,200,48,
+193,3,162,92,4,98,12,41,14,66,40,106,101,1,132,130,8,24,78,104,129,54,62,
+96,224,144,13,238,124,32,2,62,146,60,51,224,120,146,164,140,137,20,0,178,
+58,11,56,192,5,146,208,34,71,64,36,157,25,200,32,52,158,180,8,146,87,129,
+232,217,29,5,156,179,224,116,52,100,191,28,87,62,130,214,9,79,136,104,201,
+126,56,174,127,0,31,255,225,73,82,71,16,13,1,36,230,18,1,164,14,87,71,132,
+0,143,0,210,131,96,31,0,211,6,42,23,50,70,1,167,13,18,14,130,36,67,232,46,
+36,29,4,78,69,6,60,226,31,192,7,255,252,24,160,163,11,23,51,130,56,35,193,
+56,100,238,31,6,150,46,103,4,225,147,143,114,27,62,233,241,200,137,182,133,
+42,142,167,216,6,23,216,0,97,28,17,224,39,223,32,80,142,8,240,78,25,56,9,
+248,8,22,39,12,156,123,144,217,240,19,240,18,6,19,154,32,79,194,124,14,134,
+140,151,227,139,226,52,11,88,37,62,33,163,37,248,226,248,141,32,213,184,64,
+89,56,39,49,224,137,60,100,5,96,38,35,249,8,15,18,61,96,17,60,200,6,145,1,
+17,31,206,64,89,45,2,39,161,0,178,122,209,63,74,2,101,64,202,113,67,77,235,
+64,92,221,197,186,196,143,4,9,19,188,1,25,187,139,112,128,178,113,110,177,
+35,193,2,68,239,0,46,110,229,30,242,71,130,4,137,222,4,35,55,113,110,16,22,
+78,81,239,36,120,32,72,157,224,64,147,138,25,237,0,52,72,242,2,126,82,3,74,
+129,148,227,234,66,12,112,28,140,155,104,203,169,158,9,133,158,4,25,36,1,
+61,96,47,181,80,46,132,128,255,223,255,255,255,255,255,254,39,172,67,118,
+170,5,208,144,0,0,0,0,0,0,0,0,115,16,31,254,0,0,0,0,0,0,8,245,238,146,38,
+138,147,105,13,42,26,137,226,3,255,128,0,0,0,0,0,1,30,180,134,4,209,82,109,
+33,165,67,81,60,64,255,240,0,0,0,0,0,0,28,144,155,104,0,0,0,0,0,0,0,0,16,
+117,59,130,48,155,98,48,187,144,3,205,220,42,46,65,237,72,27,55,112,151,
+123,154,70,205,0,94,208,129,115,119,31,18,9,18,67,155,183,34,12,176,96,175,
+4,100,74,228,3,237,38,43,31,192,109,117,171,0,228,164,219,72,127,248,0,0,0,
+0,0,0,196,234,111,0,50,110,224,193,50,114,83,138,26,107,192,131,38,238,77,
+12,39,37,56,161,166,188,11,132,188,12,74,110,226,220,32,44,156,24,38,78,74,
+113,67,77,120,28,148,221,197,184,64,89,57,52,48,156,148,226,134,154,240,64,
+195,94,8,56,123,193,11,85,116,140,45,240,3,152,147,228,208,194,95,0,89,137,
+62,22,139,95,48,64,70,200,67,28,98,79,180,152,139,218,45,124,193,1,27,33,
+16,65,137,62,49,205,153,236,132,81,102,36,251,73,137,157,115,102,123,33,24,
+57,137,62,12,19,37,144,142,40,196,159,105,49,15,160,153,44,132,128,198,36,
+248,48,98,200,73,18,98,79,180,152,135,208,98,200,74,16,98,79,135,117,35,43,
+33,44,89,137,62,210,98,63,93,72,202,200,76,20,98,79,140,67,105,50,74,200,
+77,26,98,79,180,152,153,212,54,147,36,172,132,225,70,36,249,34,9,205,28,
+172,132,241,166,36,251,73,138,93,32,156,209,202,200,80,30,98,79,140,66,214,
+137,16,78,104,229,100,40,146,49,39,218,76,76,234,22,180,72,130,115,71,43,
+33,72,137,137,62,77,12,38,92,210,113,197,44,137,59,64,7,145,39,201,161,132,
+184,64,249,18,124,98,22,180,72,130,115,71,43,101,76,148,137,62,210,98,103,
+80,181,162,68,19,154,57,91,42,130,164,73,242,68,19,154,57,91,95,84,108,137,
+62,210,98,151,72,39,52,114,182,190,176,169,18,124,98,27,73,146,86,223,215,
+27,34,79,180,152,153,212,54,147,36,173,191,176,34,68,159,14,234,70,86,231,
+217,23,34,79,180,152,143,215,82,50,183,62,208,121,18,124,24,38,75,101,108,
+84,137,62,210,98,31,65,50,91,43,130,36,73,241,142,108,207,109,125,209,114,
+36,251,73,137,157,115,102,123,107,239,11,145,39,194,209,107,230,8,8,219,
+127,124,116,137,62,210,98,47,104,181,243,4,4,109,191,192,135,49,39,204,16,
+17,178,24,32,242,36,249,130,2,54,203,7,6,104,14,76,131,140,144,0,0,0,0,0,0,
+0,1,141,207,215,12,78,126,193,46,190,126,192,98,179,246,4,197,231,236,10,
+193,9,114,11,172,64,73,146,83,236,145,169,237,1,6,120,14,78,129,179,40,249,
+18,149,175,207,141,199,27,76,248,156,81,177,207,139,198,9,169,199,129,58,
+136,19,202,11,179,20,240,149,2,248,72,197,209,200,148,162,117,48,39,148,
+151,102,42,228,64,211,19,132,140,93,28,137,74,39,85,2,121,81,118,98,238,68,
+133,36,72,209,19,132,140,93,28,137,74,39,87,2,121,89,118,98,190,75,13,152,
+47,194,70,46,142,68,165,19,172,129,60,176,187,49,79,39,135,147,132,140,93,
+28,137,74,39,91,2,121,105,118,98,142,210,40,39,99,23,71,34,82,135,8,128,
+120,72,8,0,183,225,81,98,138,237,33,58,182,232,232,64,64,2,107,177,187,181,
+85,22,7,213,183,74,1,255,49,114,23,247,209,207,120,94,173,198,210,36,3,255,
+113,84,118,82,184,47,224,221,91,141,163,160,72,7,251,121,111,98,164,220,
+161,192,186,244,64,64,9,33,251,84,68,45,24,15,217,66,51,209,218,210,128,
+127,205,65,60,204,254,119,154,23,178,132,103,165,0,255,218,130,121,153,252,
+239,52,167,224,121,44,48,46,95,203,166,238,74,113,67,77,201,128,219,152,
+164,82,6,0,203,76,64,64,9,210,211,18,4,4,144,221,49,40,64,76,13,211,19,5,4,
+192,221,45,66,1,4,24,207,76,82,2,8,136,94,152,156,24,157,45,49,64,6,75,191,
+76,80,66,149,110,116,116,197,8,41,240,247,79,70,188,6,183,27,76,80,194,45,
+198,210,211,20,144,171,113,180,116,52,197,40,27,1,125,34,240,27,16,221,42,
+240,27,221,109,66,32,104,129,163,115,52,224,5,139,168,209,233,138,32,57,33,
+186,98,138,18,80,140,244,197,24,28,192,221,49,71,11,56,209,162,211,20,183,
+1,66,188,17,145,52,40,9,148,226,134,153,5,198,137,136,32,14,12,30,164,140,
+144,230,192,64,211,136,128,0,0,0,0,182,120,43,135,126,16,68,52,174,195,144,
+12,2,158,4,128,70,22,24,128,101,67,112,163,192,100,104,176,131,192,99,32,
+176,99,192,226,115,30,1,79,4,68,28,16,54,0,0,41,254,232,116,62,204,7,21,35,
+18,54,127,80,28,192,132,28,32,14,96,197,212,243,193,48,188,240,39,130,236,
+224,175,131,117,2,178,112,145,139,163,145,131,114,70,46,142,218,27,182,72,
+197,209,219,56,26,53,161,166,32,128,56,18,2,129,239,94,50,76,130,68,230,
+202,113,160,167,146,94,163,134,66,161,164,227,226,231,146,51,198,249,147,
+71,209,67,73,210,94,24,49,39,199,89,188,124,92,242,70,120,224,201,33,69,15,
+155,163,191,68,28,98,79,143,139,166,233,225,228,227,139,198,37,210,244,208,
+24,137,112,151,153,27,36,5,100,224,146,105,184,100,196,95,18,84,141,159,9,
+121,145,178,67,155,46,33,38,187,168,252,211,243,81,92,2,14,40,16,50,37,202,
+160,150,154,67,152,148,20,28,76,156,89,26,105,158,63,232,16,44,150,129,18,
+146,44,28,96,14,98,216,80,113,50,113,100,105,166,120,255,160,20,28,76,156,
+113,75,34,78,63,236,3,6,133,41,35,31,242,18,195,152,147,226,27,61,138,41,
+140,16,98,79,148,67,103,177,69,45,136,49,39,196,54,122,58,212,83,26,36,196,
+159,40,134,207,71,90,138,92,16,98,79,136,108,244,244,168,166,56,73,137,62,
+81,13,158,158,149,20,186,40,196,159,10,183,2,122,122,84,82,240,163,18,124,
+42,220,9,235,106,81,75,225,228,73,241,13,158,197,54,198,8,145,39,202,33,
+179,216,166,214,196,72,147,226,27,61,29,106,109,141,19,34,79,148,67,103,
+163,173,77,174,8,145,39,196,54,122,122,84,219,28,38,68,159,40,134,207,79,
+74,155,93,21,34,79,133,91,129,61,61,42,109,120,84,137,62,21,110,4,245,181,
+41,181,248,56,224,28,24,80,113,50,113,100,105,166,120,255,160,20,28,76,156,
+113,75,34,78,63,236,3,6,133,41,35,31,242,11,174,254,160,34,84,8,35,16,98,
+146,38,55,32,33,30,135,19,36,182,158,72,237,17,100,97,27,56,7,254,0,0,0,0,
+0,0,6,56,199,161,30,135,19,36,182,158,72,237,17,100,97,27,56,7,254,0,0,0,0,
+0,0,6,55,36,33,30,135,19,36,182,158,72,237,17,100,97,27,56,7,254,0,0,0,0,0,
+0,10,40,11,91,133,199,172,8,111,248,128,239,88,16,222,56,191,242,49,198,69,
+8,244,56,153,37,180,242,71,104,139,35,8,217,192,63,240,0,0,0,0,0,0,49,185,
+65,8,244,56,153,37,180,242,71,104,139,35,8,217,192,63,240,0,0,0,0,0,0,49,
+198,77,8,244,56,153,37,180,242,71,104,139,35,8,217,192,63,240,0,0,0,0,0,0,
+49,185,97,8,244,56,153,37,180,242,71,104,139,35,8,217,192,64,0,0,0,0,0,0,0,
+49,198,85,8,244,56,153,37,180,242,71,104,139,35,8,217,192,64,0,0,0,0,0,0,0,
+49,185,129,8,244,56,153,37,180,242,71,104,139,35,8,217,192,64,0,0,0,0,0,0,
+0,49,198,93,8,244,56,153,37,180,242,71,104,139,35,8,217,192,64,0,0,0,0,0,0,
+0,49,185,161,8,244,56,153,37,180,242,71,104,139,35,8,217,192,64,16,0,0,0,0,
+0,0,49,198,101,8,244,56,153,37,180,242,71,104,139,35,8,217,192,64,16,0,0,0,
+0,0,0,49,185,193,8,244,56,153,37,180,242,71,104,139,35,8,217,192,64,16,0,0,
+0,0,0,0,49,198,109,8,244,56,153,37,180,242,71,104,139,35,8,217,192,64,16,0,
+0,0,0,0,0,49,185,225,8,244,56,153,37,180,242,71,104,139,35,8,217,192,64,16,
+0,0,0,0,0,0,49,198,117,8,244,56,153,37,180,242,71,104,139,35,8,217,192,64,
+16,0,0,0,0,0,0,49,186,1,8,244,56,153,37,180,242,71,104,139,35,8,217,192,64,
+32,0,0,0,0,0,0,49,198,125,8,244,56,153,37,180,242,71,104,139,35,8,217,192,
+64,32,0,0,0,0,0,0,32,232,130,0,97,57,162,4,245,72,10,68,184,70,137,195,67,
+77,175,32,66,37,192,208,165,36,117,196,10,14,38,78,44,141,52,207,169,64,56,
+156,199,130,36,160,141,146,52,38,32,76,72,1,246,136,235,103,177,69,1,17,32,
+7,196,54,123,20,82,88,200,144,3,237,17,214,207,71,91,171,37,20,65,145,32,7,
+218,35,173,158,142,183,66,74,41,16,92,72,1,241,13,158,142,183,86,74,41,48,
+92,72,1,241,13,158,142,183,66,74,41,80,100,72,1,246,136,235,103,167,165,
+213,146,138,40,200,144,3,237,17,214,207,79,75,161,37,20,138,46,36,0,248,
+134,207,79,75,171,37,20,154,46,36,0,248,134,207,79,75,161,37,20,170,46,36,
+0,248,85,184,19,234,201,69,24,92,72,1,240,171,112,39,208,146,138,70,25,18,
+0,124,27,168,21,147,171,37,20,113,145,32,7,193,186,129,89,58,18,81,72,226,
+162,64,15,180,71,91,62,172,148,90,0,168,144,3,237,17,214,207,161,37,22,144,
+38,36,0,248,134,207,171,37,22,160,38,36,0,248,134,207,161,37,22,176,42,209,
+68,201,218,35,173,158,197,54,4,218,40,153,56,134,207,98,155,75,27,104,162,
+100,237,17,214,207,71,91,171,37,54,65,182,138,38,78,209,29,108,244,117,186,
+18,83,104,131,45,20,76,156,67,103,163,173,213,146,155,76,25,104,162,100,
+226,27,61,29,110,132,148,218,160,219,69,19,39,104,142,182,122,122,93,89,41,
+178,141,180,81,50,118,136,235,103,167,165,208,146,155,69,25,104,162,100,
+226,27,61,61,46,172,148,218,104,203,69,19,39,16,217,233,233,116,36,166,213,
+70,90,40,153,56,85,184,19,234,201,77,152,101,162,137,147,133,91,129,62,132,
+148,218,48,219,69,19,39,6,234,5,100,234,201,77,156,109,162,137,147,131,117,
+2,178,116,36,166,209,197,218,40,153,59,68,117,179,234,201,78,32,11,180,81,
+50,118,136,235,103,208,146,156,72,21,104,162,100,226,27,62,172,148,226,128,
+171,69,19,39,16,217,244,36,167,22,53,59,22,53,91,0,2,21,11,94,181,128,196,
+133,0,185,80,32,56,156,199,130,36,160,72,16,78,126,53,144,5,146,208,34,82,
+72,1,109,20,76,155,40,32,233,0,115,70,130,8,209,56,104,105,187,252,193,3,
+17,162,112,201,242,18,65,211,0,230,149,132,17,162,112,208,211,119,248,0,82,
+130,96,95,127,128,130,80,102,186,36,232,92,206,255,1,80,48,200,39,12,158,
+241,64,
};
#elif defined(DUK_USE_DOUBLE_ME)
-DUK_INTERNAL const duk_uint8_t duk_builtins_data[3833] = {
-105,195,75,32,3,148,52,154,248,9,26,13,128,112,105,0,240,22,20,26,95,124,6,
-152,52,137,0,120,99,74,239,129,18,70,241,191,2,98,13,79,32,42,88,210,90,2,
-240,1,50,141,37,168,76,94,216,118,69,229,203,127,44,0,84,163,73,106,21,75,
-14,236,249,98,242,229,191,150,0,46,81,164,181,14,165,151,54,94,89,119,99,
-203,23,151,45,252,176,1,146,141,37,168,93,63,59,186,97,241,23,151,45,252,
-176,1,178,141,37,168,77,79,60,50,197,229,203,127,44,0,116,163,73,106,17,86,
-148,152,188,185,111,229,128,15,148,129,198,137,36,58,166,142,91,251,212,
-243,195,44,94,92,183,242,13,79,8,45,14,91,252,121,148,52,199,120,63,72,105,
-21,240,118,128,210,237,224,245,17,165,43,224,211,55,231,207,151,148,161,70,
-145,0,31,40,107,26,2,18,138,26,228,192,142,0,16,161,174,76,9,74,26,228,192,
-158,0,8,161,174,76,10,96,2,42,26,228,192,174,0,26,161,174,76,11,96,3,74,26,
-228,192,190,0,44,161,174,76,12,96,3,202,26,228,192,206,0,70,161,169,84,14,
-202,3,255,254,32,234,0,0,7,195,248,0,0,0,0,119,0,0,3,193,252,0,0,0,0,57,
-136,1,152,32,16,194,0,166,24,6,49,0,57,138,2,12,96,18,99,128,163,32,5,153,
-40,76,94,216,118,69,229,203,127,35,41,10,165,135,118,124,177,121,114,223,
-200,203,67,169,101,205,151,150,93,216,242,197,229,203,127,35,49,11,167,231,
-119,76,62,34,242,229,191,145,154,132,212,243,195,44,94,92,183,242,51,144,
-138,180,164,197,229,203,127,35,60,6,26,0,52,208,193,226,117,215,211,15,12,
-166,146,11,67,150,255,30,77,24,58,113,64,243,92,8,27,0,68,217,130,70,212,
-19,54,224,161,185,5,77,216,44,111,65,115,126,12,28,16,100,225,156,16,32,18,
-17,195,15,46,121,100,238,232,136,136,87,12,60,185,229,141,179,126,30,136,
-100,130,233,231,59,12,228,34,66,52,243,141,167,118,158,153,80,73,9,201,151,
-30,252,153,106,210,146,118,72,150,76,184,247,228,203,86,148,152,123,246,
-240,223,187,46,238,135,132,132,229,221,143,126,76,181,105,73,61,36,75,46,
-236,123,242,101,171,74,76,61,251,120,111,221,151,119,67,226,65,178,243,199,
-135,134,83,242,66,58,238,203,207,30,30,25,81,201,5,225,203,78,238,136,163,
-208,92,59,50,242,232,138,62,0,2,38,163,19,255,255,224,142,80,192,0,20,31,
-240,14,135,103,203,210,135,45,253,55,244,243,195,44,252,205,197,0,1,18,221,
-82,0,3,24,207,151,164,254,251,168,114,223,195,47,46,158,98,101,231,143,150,
-158,29,55,242,104,68,79,62,94,147,251,238,161,203,127,12,188,186,121,157,
-135,110,94,109,100,131,99,229,151,15,76,172,168,8,89,217,16,201,151,54,157,
-217,104,114,223,195,47,46,154,114,243,102,68,19,158,92,59,27,73,6,205,203,
-46,95,89,91,74,0,3,17,225,203,47,108,187,186,69,241,211,46,238,122,119,238,
-230,216,72,70,158,116,242,225,217,151,35,81,33,26,121,198,229,191,214,93,
-205,69,0,1,134,105,231,23,199,76,187,185,233,197,179,43,73,32,154,242,249,
-230,214,80,0,31,255,193,2,38,103,110,117,24,81,115,0,78,228,0,161,208,16,
-237,24,121,207,239,186,135,45,252,50,242,233,229,188,144,221,60,232,114,
-223,211,127,79,60,50,207,204,224,72,167,14,91,248,101,229,211,204,158,113,
-119,117,219,151,150,28,91,50,184,144,40,95,224,0,15,248,64,4,20,78,129,5,
-195,195,134,207,38,232,130,99,195,179,97,201,244,19,22,157,217,14,15,130,
-135,254,0,48,125,60,224,242,229,135,200,9,1,255,12,2,162,136,112,2,112,80,
-128,0,193,177,239,221,143,15,64,35,224,152,20,144,62,27,248,3,2,9,195,175,
-61,0,231,208,126,89,123,101,229,207,40,72,32,188,244,105,205,208,40,16,94,
-123,52,227,202,22,136,39,61,252,186,6,18,13,207,134,205,56,242,134,175,65,
-250,238,231,163,78,110,129,231,208,125,59,178,101,241,63,48,25,248,0,12,47,
-102,30,125,36,238,201,151,196,252,192,103,255,255,240,92,189,178,242,242,8,
-105,4,231,191,110,80,67,80,0,24,62,109,252,162,225,199,160,16,212,0,10,7,
-183,15,0,67,80,0,56,54,109,59,58,101,228,8,106,0,9,6,229,151,39,92,121,66,
-15,192,0,97,124,178,228,235,143,45,45,57,244,116,8,63,255,255,10,39,248,0,
-195,51,114,223,182,30,140,60,161,239,201,149,248,248,31,241,0,140,80,129,
-202,10,49,128,10,35,1,6,199,163,15,40,61,32,9,10,199,163,15,40,123,242,101,
-131,210,4,144,108,123,247,99,195,210,8,250,15,167,118,76,190,39,230,131,52,
-133,236,195,207,164,157,217,50,248,159,154,12,212,0,6,27,179,126,60,59,50,
-195,223,183,134,30,89,97,9,5,219,135,166,61,16,164,131,242,203,195,102,28,
-121,97,145,6,231,151,15,44,122,33,201,5,231,179,78,60,177,8,130,243,225,
-179,79,72,148,66,121,245,197,207,167,45,59,179,197,162,23,211,124,205,253,
-242,242,135,135,158,87,240,68,122,111,153,191,30,29,153,102,111,239,151,
-148,60,60,242,191,130,23,211,125,94,28,50,242,135,135,158,87,240,128,0,196,
-122,111,153,191,30,29,153,106,240,225,151,148,60,60,242,191,132,0,6,9,211,
-150,157,177,160,131,115,235,139,159,78,81,72,10,47,248,0,3,254,40,17,138,
-48,66,136,152,64,0,66,129,48,5,27,252,88,76,216,54,47,214,131,50,172,88,31,
-255,253,239,255,255,255,255,240,153,178,103,95,173,6,101,88,176,0,0,0,0,0,
-64,0,0,3,168,0,0,31,15,224,0,0,0,17,26,19,233,201,169,38,180,91,242,103,70,
-147,58,77,75,48,0,0,60,31,192,0,0,0,34,51,162,199,131,82,77,104,183,228,
-206,141,38,116,154,150,96,0,0,120,127,128,0,0,0,0,15,248,192,70,40,0,0,0,0,
-0,0,0,0,3,10,44,68,9,216,8,20,49,130,15,211,124,109,62,50,228,95,36,55,166,
-248,190,56,111,221,151,119,77,56,118,47,18,23,211,125,14,89,113,233,231,
-167,126,230,18,5,31,252,0,224,188,48,242,231,148,116,144,58,181,33,143,127,
-64,247,111,238,56,0,127,199,2,49,72,0,0,248,127,0,0,0,0,180,81,36,4,51,166,
-248,152,122,101,167,211,150,157,217,201,2,0,3,12,233,190,166,157,185,105,
-244,229,167,118,114,64,128,1,4,228,129,0,3,137,116,223,51,126,60,59,50,196,
-195,211,45,62,156,180,238,206,72,16,0,72,151,77,243,55,227,195,179,45,77,
-59,114,211,233,203,78,236,228,129,0,5,10,73,2,0,12,21,18,4,0,28,82,35,32,
-80,74,8,62,124,189,42,105,219,148,148,16,188,249,122,70,235,179,101,156,
-184,121,15,132,0,34,29,159,47,74,181,33,198,235,179,101,156,184,121,15,132,
-0,38,17,159,47,73,187,247,116,208,62,16,0,168,94,124,189,42,212,135,55,126,
-238,154,7,194,0,23,7,207,151,164,76,61,50,143,132,0,50,21,159,47,74,181,33,
-196,195,211,40,248,64,3,96,217,242,244,137,135,200,248,64,3,161,57,242,244,
-171,82,28,76,62,71,194,0,31,8,207,151,164,141,253,121,115,31,8,0,132,47,62,
-94,149,106,67,145,191,175,46,99,225,0,17,133,103,203,210,110,157,221,122,
-101,230,62,16,1,40,110,124,189,42,212,135,55,78,238,189,50,243,31,8,0,156,
-43,62,94,148,242,227,223,187,39,49,240,128,10,67,115,229,233,86,164,58,121,
-113,239,221,147,152,248,64,5,97,249,242,244,155,167,102,205,60,242,227,223,
-187,39,49,240,128,11,68,179,229,233,86,164,57,186,118,108,211,207,46,61,
-251,178,115,31,8,0,188,71,62,94,149,52,237,203,235,126,236,179,243,102,231,
-151,161,0,32,252,242,244,169,167,110,82,34,67,249,229,233,55,78,205,154,
-121,229,199,191,118,78,100,37,0,24,137,115,203,210,173,72,115,116,236,217,
-167,158,92,123,247,100,230,66,80,1,152,87,60,189,41,229,199,191,118,78,100,
-43,224,3,80,222,121,122,85,169,14,158,92,123,247,100,230,66,190,0,55,10,
-231,151,164,221,59,186,244,203,204,133,252,0,114,27,207,47,74,181,33,205,
-211,187,175,76,188,200,95,192,7,97,28,242,244,145,191,175,46,100,51,224,3,
-208,190,121,122,85,169,14,70,254,188,185,144,207,128,15,193,249,229,233,19,
-15,76,164,37,0,32,133,115,203,210,173,72,113,48,244,202,66,80,2,24,71,60,
-189,38,239,221,211,65,10,248,1,20,47,158,94,149,106,67,155,191,119,77,4,43,
-224,4,112,190,121,122,70,235,179,101,156,184,121,16,191,128,18,67,185,229,
-233,86,164,56,221,118,108,179,151,15,34,23,240,2,88,62,124,189,44,229,195,
-200,124,32,4,208,126,121,122,89,203,135,145,9,64,9,194,145,254,0,0,255,144,
-24,100,130,14,0,16,176,2,192,129,11,33,12,1,168,193,108,96,186,48,95,32,0,
-0,0,0,0,0,0,0,56,38,95,25,113,189,18,9,211,47,62,143,100,20,95,0,20,159,
-240,0,7,252,144,162,241,2,195,66,7,11,89,204,140,197,252,229,197,226,230,
-115,3,16,69,19,64,5,43,252,0,9,255,40,16,188,33,49,123,97,217,23,151,45,
-252,131,66,7,0,20,191,240,0,39,252,176,66,240,133,82,195,187,62,88,188,185,
-111,228,26,16,56,0,166,127,128,1,63,230,2,23,132,58,150,92,217,121,101,221,
-143,44,94,92,183,242,13,8,28,0,83,127,192,0,159,243,65,11,194,23,79,206,
-238,152,124,69,229,203,127,32,208,129,192,5,59,252,0,9,255,56,16,188,33,53,
-60,240,203,23,151,45,252,131,66,7,0,20,255,240,0,39,252,240,66,240,132,85,
-165,38,47,46,91,249,6,132,14,0,31,255,228,64,98,192,10,191,5,64,105,87,20,
-139,130,76,156,197,132,11,22,176,36,1,101,91,91,184,28,201,204,160,33,23,
-115,31,247,156,253,127,65,102,79,142,202,44,4,113,95,115,255,232,34,182,88,
-52,201,241,216,176,139,1,239,47,108,252,59,148,152,86,5,66,76,15,178,16,
-148,1,130,212,69,72,61,58,52,170,49,190,202,4,245,7,49,254,105,219,251,52,
-22,157,26,85,25,64,158,160,246,63,205,59,127,102,74,7,135,23,53,2,65,48,
-227,223,205,64,160,0,48,76,60,244,238,80,40,0,20,19,15,76,59,148,10,0,7,5,
-195,211,14,230,74,72,130,99,203,167,98,129,64,1,32,120,247,243,80,40,0,44,
-15,47,142,10,5,0,6,130,230,217,191,127,37,2,128,3,192,246,111,206,160,80,0,
-136,30,220,62,19,151,160,123,116,238,79,94,129,240,223,221,73,32,0,48,110,
-88,119,100,223,181,68,16,94,91,250,238,200,160,80,0,152,31,61,59,148,10,0,
-21,4,231,199,151,69,2,128,5,192,250,97,220,160,80,0,192,127,255,128,20,23,
-134,30,92,242,164,34,19,207,167,45,59,179,233,205,229,37,129,127,255,0,0,
-191,255,128,0,63,255,197,131,246,203,203,158,157,251,160,0,90,98,32,0,0,0,
-0,3,166,156,30,53,32,249,165,131,76,223,159,62,94,70,172,114,16,176,144,60,
-56,250,19,18,5,159,25,89,32,121,180,238,42,30,129,229,221,140,164,122,7,
-147,46,50,129,232,62,61,251,120,97,199,208,156,129,83,127,0,50,250,69,3,
-252,131,32,248,250,242,229,151,119,72,240,3,254,148,0,2,168,254,0,0,255,
-167,0,33,68,88,32,0,33,64,176,2,170,254,0,0,255,169,0,33,69,220,32,0,33,67,
-184,2,172,254,0,0,255,171,8,137,144,0,0,0,128,0,0,0,0,68,73,4,195,187,126,
-226,8,4,178,16,41,164,32,147,7,136,52,193,240,0,18,17,48,124,0,8,133,76,31,
-0,3,33,147,7,192,1,8,116,193,240,0,82,127,255,132,47,65,11,137,191,174,45,
-153,98,242,229,191,144,105,4,95,47,46,91,249,32,211,185,6,94,92,183,242,65,
-163,14,236,155,52,238,206,0,85,255,192,6,13,167,157,109,57,123,136,144,31,
-245,192,3,5,231,179,78,60,163,9,0,2,10,199,248,0,3,254,192,4,32,249,242,
-244,147,187,163,129,116,128,24,66,51,229,233,87,78,238,142,5,210,0,65,8,
-207,151,164,157,221,24,182,23,72,1,140,39,62,94,149,116,238,232,197,176,
-186,64,8,97,25,242,244,147,187,163,54,66,233,0,50,132,231,203,210,174,157,
-221,25,178,23,72,1,20,43,62,94,145,182,111,195,209,155,33,116,128,17,194,
-179,229,233,27,102,252,61,27,52,23,72,1,36,31,158,94,146,119,116,112,50,
-208,3,8,71,60,189,42,233,221,209,192,203,64,8,33,28,242,244,147,187,163,22,
-195,45,0,49,132,243,203,210,174,157,221,24,182,25,104,1,12,35,158,94,146,
-119,116,102,200,101,160,6,80,158,121,122,85,211,187,163,54,67,45,0,34,133,
-115,203,210,54,205,248,122,51,100,50,208,2,56,87,60,189,35,108,223,135,163,
-102,131,45,0,36,7,255,248,1,11,50,136,132,115,235,139,15,46,88,124,140,36,
-0,4,43,79,224,139,16,0,0,60,15,192,0,0,0,0,101,253,152,0,5,109,252,17,98,0,
-0,7,129,248,0,0,0,0,12,191,181,0,0,174,63,130,44,64,0,0,240,63,0,0,0,0,1,
-151,246,224,0,21,215,240,69,136,0,0,0,8,0,0,0,0,0,50,254,228,0,2,188,254,8,
-177,0,0,0,1,0,0,0,0,0,6,95,221,128,0,87,223,193,22,32,0,0,8,32,0,0,0,0,0,
-203,251,208,0,11,3,248,34,196,0,0,1,4,0,0,0,0,0,25,127,126,0,1,97,127,4,88,
-128,0,0,32,128,0,0,0,0,3,47,240,64,0,44,79,224,139,16,0,0,8,16,0,0,0,0,0,
-101,254,24,0,5,141,252,1,96,216,247,238,199,135,162,162,33,90,121,197,221,
-143,126,77,59,179,172,146,17,167,156,46,185,179,101,228,176,65,89,77,16,
-124,123,246,240,195,203,40,162,64,0,193,255,138,5,144,158,89,112,228,171,
-39,119,71,2,232,132,114,203,135,36,157,221,28,11,164,0,66,25,203,46,28,149,
-100,238,232,197,180,200,162,233,0,1,134,114,203,135,37,89,59,186,49,109,10,
-40,186,64,2,97,124,178,225,201,39,119,70,45,166,69,23,72,0,140,47,150,92,
-57,36,238,232,197,180,40,162,233,0,25,134,114,203,135,37,89,59,186,51,101,
-50,40,186,64,0,161,156,178,225,201,86,78,238,140,217,66,138,46,144,0,168,
-95,44,184,114,73,221,209,155,41,145,69,210,0,37,11,229,151,14,73,59,186,51,
-101,10,40,186,64,6,161,124,178,225,201,27,102,252,61,38,69,23,72,0,28,47,
-150,92,57,35,108,223,135,164,40,162,233,0,11,134,114,203,135,36,77,253,113,
-108,203,50,40,186,64,1,33,156,178,225,201,19,127,92,91,50,194,138,46,144,0,
-200,87,44,184,114,85,147,187,164,200,162,237,0,5,133,114,203,135,37,89,59,
-186,66,138,46,208,0,216,79,44,184,114,73,221,210,100,81,118,128,10,194,121,
-101,195,146,78,238,144,162,139,180,0,118,21,223,150,158,153,106,201,221,
-209,192,203,33,61,249,105,233,150,78,238,142,6,90,0,33,13,239,203,79,76,
-181,100,238,232,197,180,200,163,45,0,1,134,247,229,167,166,90,178,119,116,
-98,218,20,81,150,128,4,195,59,242,211,211,44,157,221,24,182,153,20,101,160,
-2,48,206,252,180,244,203,39,119,70,45,161,69,25,104,0,204,55,191,45,61,50,
-213,147,187,163,54,83,34,140,180,0,10,27,223,150,158,153,106,201,221,209,
-155,40,81,70,90,0,21,12,239,203,79,76,178,119,116,102,202,100,81,150,128,9,
-67,59,242,211,211,44,157,221,25,178,133,20,101,160,3,80,206,252,180,244,
-203,27,102,252,61,38,69,25,104,0,28,51,191,45,61,50,198,217,191,15,72,81,
-70,90,0,23,13,239,203,79,76,177,55,245,197,179,44,200,163,45,0,4,134,247,
-229,167,166,88,155,250,226,217,150,20,81,150,128,6,66,251,242,211,211,45,
-89,59,186,76,138,51,16,0,88,95,126,90,122,101,171,39,119,72,81,70,98,0,27,
-10,239,203,79,76,178,119,116,153,20,102,32,2,176,174,252,180,244,203,39,
-119,72,81,70,98,0,58,40,173,176,82,90,4,19,54,157,155,21,217,6,203,199,174,
-29,156,197,9,7,199,191,111,12,60,178,138,20,0,6,9,143,127,15,42,208,130,
-243,217,167,30,81,132,65,123,242,211,211,42,228,0,
+DUK_INTERNAL const duk_uint8_t duk_builtins_data[3790] = {
+144,148,105,221,32,68,52,228,62,12,104,200,165,134,148,248,81,77,61,191,
+135,35,154,103,34,72,6,157,159,197,145,77,245,126,52,130,106,234,163,196,
+52,226,18,51,161,26,113,1,60,37,64,190,18,49,116,116,33,26,113,1,92,136,26,
+98,112,145,139,163,165,8,211,136,14,228,72,82,68,141,17,56,72,197,209,212,
+132,105,196,5,242,88,108,193,126,18,49,116,117,161,26,113,1,60,158,30,78,
+18,49,116,118,33,26,113,1,29,164,80,78,198,46,142,212,36,68,51,71,224,59,
+147,60,93,110,79,15,39,9,24,186,33,13,63,79,185,38,154,121,223,110,76,66,
+53,116,1,120,248,186,248,136,67,76,196,200,134,186,137,177,13,31,192,174,
+79,15,32,248,8,196,24,8,107,254,39,97,161,175,248,159,16,215,252,80,186,26,
+255,138,57,136,107,254,41,100,33,175,248,167,170,134,191,226,166,138,26,
+255,138,187,40,107,254,43,111,33,171,86,181,16,209,241,11,228,201,121,240,
+141,19,134,72,196,52,123,168,95,38,75,207,131,32,156,50,70,33,195,3,152,
+128,0,1,240,254,0,0,0,1,153,128,0,1,224,254,0,0,0,1,151,137,0,214,9,188,35,
+131,12,225,196,56,177,78,60,99,147,28,229,200,57,162,120,74,129,124,36,98,
+232,156,241,92,136,26,98,112,145,139,162,116,71,114,36,41,34,70,136,156,36,
+98,232,157,49,124,150,27,48,95,132,140,93,19,170,39,147,195,201,194,70,46,
+137,215,17,218,69,4,236,98,232,157,153,39,110,81,220,15,193,209,83,3,200,
+119,130,241,241,117,240,120,80,252,137,10,178,10,103,134,180,122,9,135,136,
+154,120,169,199,142,158,121,10,7,146,162,121,74,71,150,166,121,138,135,154,
+170,121,202,199,158,23,201,146,243,225,26,39,12,145,61,16,190,76,151,159,6,
+65,56,100,137,233,35,93,205,144,33,224,140,137,196,54,121,244,5,60,17,145,
+56,85,184,19,207,16,21,18,227,65,198,231,72,16,137,112,168,106,38,76,225,2,
+70,65,56,100,237,34,140,177,4,134,65,56,100,237,34,129,117,204,123,154,70,
+207,46,64,146,52,78,25,59,72,163,48,65,34,52,78,25,59,72,160,93,115,30,230,
+145,179,204,144,24,146,16,30,76,209,2,40,210,72,64,121,52,4,0,156,88,97,5,
+194,96,227,18,124,124,93,55,79,15,39,28,94,49,38,159,154,136,96,196,159,29,
+102,241,241,115,201,25,227,131,36,133,20,62,110,142,253,2,102,36,248,235,
+55,143,139,158,72,207,28,104,24,73,112,201,3,2,82,65,155,187,94,6,20,72,9,
+147,120,128,225,144,168,105,56,248,185,228,140,241,190,96,128,200,84,52,
+156,124,92,242,70,104,36,183,168,4,145,0,190,41,1,139,18,19,36,226,146,17,
+124,73,82,54,124,37,230,70,201,14,108,184,132,8,68,185,34,1,100,31,8,129,8,
+151,11,23,100,141,225,18,12,68,184,75,204,141,146,2,178,112,72,8,162,98,92,
+50,10,152,147,227,172,222,62,46,121,35,60,114,88,96,92,185,112,201,65,34,
+92,4,1,147,81,159,141,205,32,234,121,96,97,57,64,97,121,128,14,56,37,199,
+89,188,124,92,242,70,120,227,144,53,18,227,226,233,186,120,121,56,226,242,
+8,40,248,185,228,140,241,196,75,132,109,24,72,128,43,39,36,136,48,64,114,0,
+250,156,168,1,64,247,175,25,36,2,8,11,94,80,248,16,40,104,242,103,200,48,
+193,3,162,92,4,98,12,41,14,66,40,106,101,1,132,130,8,24,78,104,129,54,62,
+96,224,144,13,238,124,32,2,62,146,60,51,224,120,146,164,140,137,20,0,178,
+58,11,56,192,5,146,208,34,71,64,36,157,25,200,32,52,158,180,8,146,87,129,
+232,217,29,5,156,179,224,116,52,100,191,28,87,62,130,214,9,79,136,104,201,
+126,56,174,127,0,31,255,225,73,82,71,16,13,1,36,230,18,1,164,14,87,71,132,
+0,143,0,210,131,96,31,0,211,6,42,23,50,70,1,167,13,18,14,130,36,67,232,46,
+36,29,4,78,69,6,60,226,31,192,7,255,252,24,160,163,11,23,51,130,56,35,193,
+56,100,238,31,6,150,46,103,4,225,147,143,114,27,62,233,241,200,137,182,133,
+42,142,167,216,6,23,216,0,97,28,17,224,39,223,32,80,142,8,240,78,25,56,9,
+248,8,22,39,12,156,123,144,217,240,19,240,18,6,19,154,32,79,194,124,14,134,
+140,151,227,139,226,52,11,88,37,62,33,163,37,248,226,248,141,32,213,184,64,
+89,56,39,49,224,137,60,100,5,96,38,35,249,8,15,18,61,96,17,60,200,6,145,1,
+17,31,206,64,89,45,2,39,161,0,178,122,209,63,74,2,101,64,202,113,67,77,235,
+64,92,221,197,186,196,143,4,9,19,188,1,25,187,139,112,128,178,113,110,177,
+35,193,2,68,239,0,46,110,229,30,242,71,130,4,137,222,4,35,55,113,110,16,22,
+78,81,239,36,120,32,72,157,224,64,147,138,25,237,0,52,72,242,2,126,82,3,74,
+129,148,227,234,66,12,112,28,140,155,104,203,169,158,9,133,158,4,25,36,1,
+61,96,47,181,80,46,132,129,255,255,222,255,255,255,255,254,39,172,67,118,
+170,5,208,144,0,0,0,0,0,64,0,0,51,16,0,0,62,31,192,0,0,0,8,245,238,146,38,
+138,147,105,13,42,26,137,226,0,0,7,131,248,0,0,0,1,30,180,134,4,209,82,109,
+33,165,67,81,60,64,0,0,240,255,0,0,0,0,28,144,155,104,0,0,0,0,0,0,0,0,16,
+117,59,130,48,155,98,48,187,144,3,205,220,42,46,65,237,72,27,55,112,151,
+123,154,70,205,0,94,208,129,115,119,31,18,9,18,67,155,183,34,12,176,96,175,
+4,100,74,228,3,237,38,43,31,192,109,117,171,0,228,164,219,72,0,0,248,127,0,
+0,0,0,196,234,111,0,50,110,224,193,50,114,83,138,26,107,192,131,38,238,77,
+12,39,37,56,161,166,188,11,132,188,12,74,110,226,220,32,44,156,24,38,78,74,
+113,67,77,120,28,148,221,197,184,64,89,57,52,48,156,148,226,134,154,240,64,
+195,94,8,56,123,193,11,85,116,140,45,240,3,152,147,228,208,194,95,0,89,137,
+62,22,139,95,48,64,70,200,67,28,98,79,180,152,139,218,45,124,193,1,27,33,
+16,65,137,62,49,205,153,236,132,81,102,36,251,73,137,157,115,102,123,33,24,
+57,137,62,12,19,37,144,142,40,196,159,105,49,15,160,153,44,132,128,198,36,
+248,48,98,200,73,18,98,79,180,152,135,208,98,200,74,16,98,79,135,117,35,43,
+33,44,89,137,62,210,98,63,93,72,202,200,76,20,98,79,140,67,105,50,74,200,
+77,26,98,79,180,152,153,212,54,147,36,172,132,225,70,36,249,34,9,205,28,
+172,132,241,166,36,251,73,138,93,32,156,209,202,200,80,30,98,79,140,66,214,
+137,16,78,104,229,100,40,146,49,39,218,76,76,234,22,180,72,130,115,71,43,
+33,72,137,137,62,77,12,38,92,210,113,197,44,137,59,64,7,145,39,201,161,132,
+184,64,249,18,124,98,22,180,72,130,115,71,43,101,76,148,137,62,210,98,103,
+80,181,162,68,19,154,57,91,42,130,164,73,242,68,19,154,57,91,95,84,108,137,
+62,210,98,151,72,39,52,114,182,190,176,169,18,124,98,27,73,146,86,223,215,
+27,34,79,180,152,153,212,54,147,36,173,191,176,34,68,159,14,234,70,86,231,
+217,23,34,79,180,152,143,215,82,50,183,62,208,121,18,124,24,38,75,101,108,
+84,137,62,210,98,31,65,50,91,43,130,36,73,241,142,108,207,109,125,209,114,
+36,251,73,137,157,115,102,123,107,239,11,145,39,194,209,107,230,8,8,219,
+127,124,116,137,62,210,98,47,104,181,243,4,4,109,191,192,135,49,39,204,16,
+17,178,24,32,242,36,249,130,2,54,203,7,6,104,14,76,131,140,144,0,0,0,0,0,0,
+0,1,141,207,215,12,78,126,193,46,190,126,192,98,179,246,4,197,231,236,10,
+193,9,114,11,172,64,73,146,83,236,145,169,237,1,6,120,14,78,129,179,40,249,
+18,149,175,207,141,199,27,76,248,156,81,177,207,139,198,9,169,199,129,58,
+136,19,202,11,179,20,240,149,2,248,72,197,209,200,148,162,117,48,39,148,
+151,102,42,228,64,211,19,132,140,93,28,137,74,39,85,2,121,81,118,98,238,68,
+133,36,72,209,19,132,140,93,28,137,74,39,87,2,121,89,118,98,190,75,13,152,
+47,194,70,46,142,68,165,19,172,129,60,176,187,49,79,39,135,147,132,140,93,
+28,137,74,39,91,2,121,105,118,98,142,210,40,39,99,23,71,34,82,135,8,128,
+120,72,1,87,224,168,13,42,226,145,97,58,182,232,232,64,177,107,2,64,22,85,
+181,187,7,213,183,74,2,17,119,49,255,121,207,215,240,94,173,198,210,36,4,
+113,95,115,255,232,34,182,80,221,91,141,163,160,72,15,121,123,103,225,220,
+164,194,160,186,244,64,251,33,9,64,24,45,68,84,15,217,66,51,209,218,210,
+129,61,65,204,127,154,118,254,204,23,178,132,103,165,2,122,131,216,255,52,
+237,253,152,167,224,121,44,48,46,95,203,166,238,74,113,67,77,201,128,219,
+152,164,82,6,0,203,76,64,64,9,210,211,18,4,4,144,221,49,40,64,76,13,211,19,
+5,4,192,221,45,66,1,4,24,207,76,82,2,8,136,94,152,156,24,157,45,49,64,6,75,
+191,76,80,66,149,110,116,116,197,8,41,240,247,79,70,188,6,183,27,76,80,194,
+45,198,210,211,20,144,171,113,180,116,52,197,40,27,1,125,34,240,27,16,221,
+42,240,27,221,109,66,32,104,129,163,115,52,224,5,139,168,209,233,138,32,57,
+33,186,98,138,18,80,140,244,197,24,28,192,221,49,71,11,56,209,162,211,20,
+183,1,66,188,17,145,52,40,9,148,226,134,153,5,198,137,136,32,14,12,30,164,
+140,144,230,192,128,136,211,64,0,0,0,0,182,120,43,135,126,16,68,52,174,195,
+144,12,2,158,4,128,70,22,24,128,101,67,112,163,192,100,104,176,131,192,99,
+32,176,99,192,226,115,30,1,79,4,68,28,16,54,0,0,41,254,232,116,62,204,7,21,
+35,18,54,127,80,28,192,132,28,32,14,96,197,212,243,193,48,188,240,39,130,
+236,224,175,131,117,2,178,112,145,139,163,145,131,114,70,46,142,218,27,182,
+72,197,209,219,56,26,53,161,166,32,128,56,18,2,129,239,94,50,76,130,68,230,
+202,113,160,167,146,94,163,134,66,161,164,227,226,231,146,51,198,249,147,
+71,209,67,73,210,94,24,49,39,199,89,188,124,92,242,70,120,224,201,33,69,15,
+155,163,191,68,28,98,79,143,139,166,233,225,228,227,139,198,37,210,244,208,
+24,137,112,151,153,27,36,5,100,224,146,105,184,100,196,95,18,84,141,159,9,
+121,145,178,67,155,46,33,38,187,168,252,211,243,81,92,2,14,40,16,50,37,202,
+160,150,154,67,152,148,20,28,76,156,89,26,105,158,63,232,16,44,150,129,18,
+146,44,28,96,14,98,216,80,113,50,113,100,105,166,120,255,160,20,28,76,156,
+113,75,34,78,63,236,3,6,133,41,35,31,242,18,195,152,147,226,27,61,138,41,
+140,16,98,79,148,67,103,177,69,45,136,49,39,196,54,122,58,212,83,26,36,196,
+159,40,134,207,71,90,138,92,16,98,79,136,108,244,244,168,166,56,73,137,62,
+81,13,158,158,149,20,186,40,196,159,10,183,2,122,122,84,82,240,163,18,124,
+42,220,9,235,106,81,75,225,228,73,241,13,158,197,54,198,8,145,39,202,33,
+179,216,166,214,196,72,147,226,27,61,29,106,109,141,19,34,79,148,67,103,
+163,173,77,174,8,145,39,196,54,122,122,84,219,28,38,68,159,40,134,207,79,
+74,155,93,21,34,79,133,91,129,61,61,42,109,120,84,137,62,21,110,4,245,181,
+41,181,248,56,224,28,24,80,113,50,113,100,105,166,120,255,160,20,28,76,156,
+113,75,34,78,63,236,3,6,133,41,35,31,242,11,174,254,160,34,84,8,35,16,98,
+146,38,55,32,33,30,135,19,36,182,158,72,237,17,100,97,27,56,0,0,30,7,224,0,
+0,0,6,56,199,161,30,135,19,36,182,158,72,237,17,100,97,27,56,0,0,30,7,224,
+0,0,0,6,55,36,33,30,135,19,36,182,158,72,237,17,100,97,27,56,0,0,30,7,224,
+0,0,0,10,40,11,91,133,199,172,8,111,248,128,239,88,16,222,56,191,242,49,
+198,69,8,244,56,153,37,180,242,71,104,139,35,8,217,192,0,0,240,63,0,0,0,0,
+49,185,65,8,244,56,153,37,180,242,71,104,139,35,8,217,192,0,0,240,63,0,0,0,
+0,49,198,77,8,244,56,153,37,180,242,71,104,139,35,8,217,192,0,0,240,63,0,0,
+0,0,49,185,97,8,244,56,153,37,180,242,71,104,139,35,8,217,192,0,0,0,64,0,0,
+0,0,49,198,85,8,244,56,153,37,180,242,71,104,139,35,8,217,192,0,0,0,64,0,0,
+0,0,49,185,129,8,244,56,153,37,180,242,71,104,139,35,8,217,192,0,0,0,64,0,
+0,0,0,49,198,93,8,244,56,153,37,180,242,71,104,139,35,8,217,192,0,0,0,64,0,
+0,0,0,49,185,161,8,244,56,153,37,180,242,71,104,139,35,8,217,192,0,0,16,64,
+0,0,0,0,49,198,101,8,244,56,153,37,180,242,71,104,139,35,8,217,192,0,0,16,
+64,0,0,0,0,49,185,193,8,244,56,153,37,180,242,71,104,139,35,8,217,192,0,0,
+16,64,0,0,0,0,49,198,109,8,244,56,153,37,180,242,71,104,139,35,8,217,192,0,
+0,16,64,0,0,0,0,49,185,225,8,244,56,153,37,180,242,71,104,139,35,8,217,192,
+0,0,16,64,0,0,0,0,49,198,117,8,244,56,153,37,180,242,71,104,139,35,8,217,
+192,0,0,16,64,0,0,0,0,49,186,1,8,244,56,153,37,180,242,71,104,139,35,8,217,
+192,0,0,32,64,0,0,0,0,49,198,125,8,244,56,153,37,180,242,71,104,139,35,8,
+217,192,0,0,32,64,0,0,0,0,32,232,130,0,97,57,162,4,245,72,10,68,184,70,137,
+195,67,77,175,32,66,37,192,208,165,36,117,196,10,14,38,78,44,141,52,207,
+169,64,56,156,199,130,36,160,141,146,52,38,32,76,72,1,246,136,235,103,177,
+69,1,17,32,7,196,54,123,20,82,88,200,144,3,237,17,214,207,71,91,171,37,20,
+65,145,32,7,218,35,173,158,142,183,66,74,41,16,92,72,1,241,13,158,142,183,
+86,74,41,48,92,72,1,241,13,158,142,183,66,74,41,80,100,72,1,246,136,235,
+103,167,165,213,146,138,40,200,144,3,237,17,214,207,79,75,161,37,20,138,46,
+36,0,248,134,207,79,75,171,37,20,154,46,36,0,248,134,207,79,75,161,37,20,
+170,46,36,0,248,85,184,19,234,201,69,24,92,72,1,240,171,112,39,208,146,138,
+70,25,18,0,124,27,168,21,147,171,37,20,113,145,32,7,193,186,129,89,58,18,
+81,72,226,162,64,15,180,71,91,62,172,148,90,0,168,144,3,237,17,214,207,161,
+37,22,144,38,36,0,248,134,207,171,37,22,160,38,36,0,248,134,207,161,37,22,
+176,42,209,68,201,218,35,173,158,197,54,4,218,40,153,56,134,207,98,155,75,
+27,104,162,100,237,17,214,207,71,91,171,37,54,65,182,138,38,78,209,29,108,
+244,117,186,18,83,104,131,45,20,76,156,67,103,163,173,213,146,155,76,25,
+104,162,100,226,27,61,29,110,132,148,218,160,219,69,19,39,104,142,182,122,
+122,93,89,41,178,141,180,81,50,118,136,235,103,167,165,208,146,155,69,25,
+104,162,100,226,27,61,61,46,172,148,218,104,203,69,19,39,16,217,233,233,
+116,36,166,213,70,90,40,153,56,85,184,19,234,201,77,152,101,162,137,147,
+133,91,129,62,132,148,218,48,219,69,19,39,6,234,5,100,234,201,77,156,109,
+162,137,147,131,117,2,178,116,36,166,209,197,218,40,153,59,68,117,179,234,
+201,78,32,11,180,81,50,118,136,235,103,208,146,156,72,21,104,162,100,226,
+27,62,172,148,226,128,171,69,19,39,16,217,244,36,167,22,53,59,22,53,91,0,2,
+21,11,94,181,128,196,133,0,185,80,32,56,156,199,130,36,160,72,16,78,126,53,
+144,5,146,208,34,82,72,1,109,20,76,155,40,32,233,0,115,70,130,8,209,56,104,
+105,187,252,193,3,17,162,112,201,242,18,65,211,0,230,149,132,17,162,112,
+208,211,119,248,0,82,130,96,95,127,128,130,80,102,186,36,232,92,206,255,1,
+80,48,200,39,12,158,241,64,
};
#else
#error invalid endianness defines
#endif
#endif /* DUK_USE_ROM_OBJECTS */
-#line 1 "duk_error_macros.c"
/*
- * Error, fatal, and panic handling.
+ * Error and fatal handling.
*/
-/* include removed: duk_internal.h */
+/* #include duk_internal.h -> already included */
#define DUK__ERRFMT_BUFSIZE 256 /* size for formatting buffers */
@@ -9817,69 +10445,72 @@ DUK_INTERNAL void duk_err_handle_error(duk_hthread *thr, duk_errcode_t code) {
#if defined(DUK_USE_VERBOSE_ERRORS)
#if defined(DUK_USE_PARANOID_ERRORS)
-DUK_INTERNAL void duk_err_require_type_index(duk_hthread *thr, const char *filename, duk_int_t linenumber, duk_idx_t index, const char *expect_name) {
+DUK_INTERNAL void duk_err_require_type_index(duk_hthread *thr, const char *filename, duk_int_t linenumber, duk_idx_t idx, const char *expect_name) {
DUK_ERROR_RAW_FMT3(thr, filename, linenumber, DUK_ERR_TYPE_ERROR, "%s required, found %s (stack index %ld)",
- expect_name, duk_get_type_name((duk_context *) thr, index), (long) index);
+ expect_name, duk_get_type_name((duk_context *) thr, idx), (long) idx);
}
#else
-DUK_INTERNAL void duk_err_require_type_index(duk_hthread *thr, const char *filename, duk_int_t linenumber, duk_idx_t index, const char *expect_name) {
+DUK_INTERNAL void duk_err_require_type_index(duk_hthread *thr, const char *filename, duk_int_t linenumber, duk_idx_t idx, const char *expect_name) {
DUK_ERROR_RAW_FMT3(thr, filename, linenumber, DUK_ERR_TYPE_ERROR, "%s required, found %s (stack index %ld)",
- expect_name, duk_push_string_readable((duk_context *) thr, index), (long) index);
+ expect_name, duk_push_string_readable((duk_context *) thr, idx), (long) idx);
}
#endif
-DUK_INTERNAL void duk_err_range(duk_hthread *thr, const char *filename, duk_int_t linenumber, const char *message) {
- DUK_ERROR_RAW(thr, filename, linenumber, DUK_ERR_RANGE_ERROR, message);
+DUK_INTERNAL void duk_err_error_internal(duk_hthread *thr, const char *filename, duk_int_t linenumber) {
+ DUK_ERROR_RAW(thr, filename, linenumber, DUK_ERR_ERROR, DUK_STR_INTERNAL_ERROR);
}
-DUK_INTERNAL void duk_err_api_index(duk_hthread *thr, const char *filename, duk_int_t linenumber, duk_idx_t index) {
- DUK_ERROR_RAW_FMT1(thr, filename, linenumber, DUK_ERR_API_ERROR, "invalid stack index %ld", (long) (index));
+DUK_INTERNAL void duk_err_error_alloc_failed(duk_hthread *thr, const char *filename, duk_int_t linenumber) {
+ DUK_ERROR_RAW(thr, filename, linenumber, DUK_ERR_ERROR, DUK_STR_ALLOC_FAILED);
}
-DUK_INTERNAL void duk_err_api(duk_hthread *thr, const char *filename, duk_int_t linenumber, const char *message) {
- DUK_ERROR_RAW(thr, filename, linenumber, DUK_ERR_API_ERROR, message);
+DUK_INTERNAL void duk_err_error(duk_hthread *thr, const char *filename, duk_int_t linenumber, const char *message) {
+ DUK_ERROR_RAW(thr, filename, linenumber, DUK_ERR_ERROR, message);
}
-DUK_INTERNAL void duk_err_unimplemented_defmsg(duk_hthread *thr, const char *filename, duk_int_t linenumber) {
- DUK_ERROR_RAW(thr, filename, linenumber, DUK_ERR_UNIMPLEMENTED_ERROR, DUK_STR_UNIMPLEMENTED);
+DUK_INTERNAL void duk_err_range(duk_hthread *thr, const char *filename, duk_int_t linenumber, const char *message) {
+ DUK_ERROR_RAW(thr, filename, linenumber, DUK_ERR_RANGE_ERROR, message);
}
-#if !defined(DUK_USE_BYTECODE_DUMP_SUPPORT)
-DUK_INTERNAL void duk_err_unsupported_defmsg(duk_hthread *thr, const char *filename, duk_int_t linenumber) {
- DUK_ERROR_RAW(thr, filename, linenumber, DUK_ERR_UNSUPPORTED_ERROR, DUK_STR_UNSUPPORTED);
+DUK_INTERNAL void duk_err_range_index(duk_hthread *thr, const char *filename, duk_int_t linenumber, duk_idx_t idx) {
+ DUK_ERROR_RAW_FMT1(thr, filename, linenumber, DUK_ERR_RANGE_ERROR, "invalid stack index %ld", (long) (idx));
}
-#endif
-DUK_INTERNAL void duk_err_internal_defmsg(duk_hthread *thr, const char *filename, duk_int_t linenumber) {
- DUK_ERROR_RAW(thr, filename, linenumber, DUK_ERR_INTERNAL_ERROR, DUK_STR_INTERNAL_ERROR);
+DUK_INTERNAL void duk_err_range_push_beyond(duk_hthread *thr, const char *filename, duk_int_t linenumber) {
+ DUK_ERROR_RAW(thr, filename, linenumber, DUK_ERR_RANGE_ERROR, DUK_STR_PUSH_BEYOND_ALLOC_STACK);
}
-DUK_INTERNAL void duk_err_internal(duk_hthread *thr, const char *filename, duk_int_t linenumber, const char *message) {
- DUK_ERROR_RAW(thr, filename, linenumber, DUK_ERR_INTERNAL_ERROR, message);
+DUK_INTERNAL void duk_err_type_invalid_args(duk_hthread *thr, const char *filename, duk_int_t linenumber) {
+ DUK_ERROR_RAW(thr, filename, linenumber, DUK_ERR_TYPE_ERROR, DUK_STR_INVALID_ARGS);
}
-DUK_INTERNAL void duk_err_alloc(duk_hthread *thr, const char *filename, duk_int_t linenumber, const char *message) {
- DUK_ERROR_RAW(thr, filename, linenumber, DUK_ERR_ALLOC_ERROR, message);
+DUK_INTERNAL void duk_err_type_invalid_state(duk_hthread *thr, const char *filename, duk_int_t linenumber) {
+ DUK_ERROR_RAW(thr, filename, linenumber, DUK_ERR_TYPE_ERROR, DUK_STR_INVALID_STATE);
+}
+DUK_INTERNAL void duk_err_type_invalid_trap_result(duk_hthread *thr, const char *filename, duk_int_t linenumber) {
+ DUK_ERROR_RAW(thr, filename, linenumber, DUK_ERR_TYPE_ERROR, DUK_STR_INVALID_TRAP_RESULT);
}
#else
/* The file/line arguments are NULL and 0, they're ignored by DUK_ERROR_RAW()
* when non-verbose errors are used.
*/
-DUK_INTERNAL void duk_err_type(duk_hthread *thr) {
- DUK_ERROR_RAW(thr, NULL, 0, DUK_ERR_TYPE_ERROR, NULL);
+
+DUK_NORETURN(DUK_LOCAL_DECL void duk__err_shared(duk_hthread *thr, duk_uint_t code));
+DUK_LOCAL void duk__err_shared(duk_hthread *thr, duk_uint_t code) {
+ DUK_ERROR_RAW(thr, NULL, 0, code, NULL);
}
-DUK_INTERNAL void duk_err_api(duk_hthread *thr) {
- DUK_ERROR_RAW(thr, NULL, 0, DUK_ERR_API_ERROR, NULL);
+DUK_INTERNAL void duk_err_error(duk_hthread *thr) {
+ duk__err_shared(thr, DUK_ERR_ERROR);
}
DUK_INTERNAL void duk_err_range(duk_hthread *thr) {
- DUK_ERROR_RAW(thr, NULL, 0, DUK_ERR_RANGE_ERROR, NULL);
+ duk__err_shared(thr, DUK_ERR_RANGE_ERROR);
}
-DUK_INTERNAL void duk_err_syntax(duk_hthread *thr) {
- DUK_ERROR_RAW(thr, NULL, 0, DUK_ERR_SYNTAX_ERROR, NULL);
+DUK_INTERNAL void duk_err_eval(duk_hthread *thr) {
+ duk__err_shared(thr, DUK_ERR_EVAL_ERROR);
}
-DUK_INTERNAL void duk_err_unimplemented(duk_hthread *thr) {
- DUK_ERROR_RAW(thr, NULL, 0, DUK_ERR_UNIMPLEMENTED_ERROR, NULL);
+DUK_INTERNAL void duk_err_reference(duk_hthread *thr) {
+ duk__err_shared(thr, DUK_ERR_REFERENCE_ERROR);
}
-DUK_INTERNAL void duk_err_unsupported(duk_hthread *thr) {
- DUK_ERROR_RAW(thr, NULL, 0, DUK_ERR_UNSUPPORTED_ERROR, NULL);
+DUK_INTERNAL void duk_err_syntax(duk_hthread *thr) {
+ duk__err_shared(thr, DUK_ERR_SYNTAX_ERROR);
}
-DUK_INTERNAL void duk_err_internal(duk_hthread *thr) {
- DUK_ERROR_RAW(thr, NULL, 0, DUK_ERR_INTERNAL_ERROR, NULL);
+DUK_INTERNAL void duk_err_type(duk_hthread *thr) {
+ duk__err_shared(thr, DUK_ERR_TYPE_ERROR);
}
-DUK_INTERNAL void duk_err_alloc(duk_hthread *thr) {
- DUK_ERROR_RAW(thr, NULL, thr, DUK_ERR_ALLOC_ERROR, NULL);
+DUK_INTERNAL void duk_err_uri(duk_hthread *thr) {
+ duk__err_shared(thr, DUK_ERR_URI_ERROR);
}
#endif
@@ -9887,68 +10518,37 @@ DUK_INTERNAL void duk_err_alloc(duk_hthread *thr) {
* Default fatal error handler
*/
-DUK_INTERNAL void duk_default_fatal_handler(duk_context *ctx, duk_errcode_t code, const char *msg) {
- DUK_UNREF(ctx);
-#if defined(DUK_USE_FILE_IO)
- DUK_FPRINTF(DUK_STDERR, "FATAL %ld: %s\n", (long) code, (const char *) (msg ? msg : "null"));
- DUK_FFLUSH(DUK_STDERR);
-#else
- /* omit print */
-#endif
- DUK_D(DUK_DPRINT("default fatal handler called, code %ld -> calling DUK_PANIC()", (long) code));
- DUK_PANIC(code, msg);
- DUK_UNREACHABLE();
-}
-
-/*
- * Default panic handler
- */
-
-#if !defined(DUK_USE_PANIC_HANDLER)
-DUK_INTERNAL void duk_default_panic_handler(duk_errcode_t code, const char *msg) {
-#if defined(DUK_USE_FILE_IO)
- DUK_FPRINTF(DUK_STDERR, "PANIC %ld: %s ("
-#if defined(DUK_USE_PANIC_ABORT)
- "calling abort"
-#elif defined(DUK_USE_PANIC_EXIT)
- "calling exit"
-#elif defined(DUK_USE_PANIC_SEGFAULT)
- "segfaulting on purpose"
-#else
-#error no DUK_USE_PANIC_xxx macro defined
-#endif
- ")\n", (long) code, (const char *) (msg ? msg : "null"));
- DUK_FFLUSH(DUK_STDERR);
-#else
- /* omit print */
- DUK_UNREF(code);
+DUK_INTERNAL void duk_default_fatal_handler(void *udata, const char *msg) {
+ DUK_UNREF(udata);
DUK_UNREF(msg);
-#endif
-#if defined(DUK_USE_PANIC_ABORT)
- DUK_ABORT();
-#elif defined(DUK_USE_PANIC_EXIT)
- DUK_EXIT(-1);
-#elif defined(DUK_USE_PANIC_SEGFAULT)
- /* exit() afterwards to satisfy "noreturn" */
- DUK_CAUSE_SEGFAULT(); /* SCANBUILD: "Dereference of null pointer", normal */
- DUK_EXIT(-1);
+#if defined(DUK_USE_FATAL_HANDLER)
+ /* duk_config.h provided a custom default fatal handler. */
+ DUK_D(DUK_DPRINT("custom default fatal error handler called: %s", msg ? msg : "NULL"));
+ DUK_USE_FATAL_HANDLER(udata, msg);
#else
-#error no DUK_USE_PANIC_xxx macro defined
+ /* Default behavior is to abort() on error. There's no printout
+ * which makes this awkward, so it's always recommended to use an
+ * explicit fatal error handler.
+ */
+ DUK_D(DUK_DPRINT("built-in default fatal error handler called: %s", msg ? msg : "NULL"));
+ DUK_ABORT();
#endif
- DUK_UNREACHABLE();
+ DUK_D(DUK_DPRINT("fatal error handler returned, enter forever loop"));
+ for (;;) {
+ /* Loop forever to ensure we don't return. */
+ }
}
-#endif /* !DUK_USE_PANIC_HANDLER */
+/* automatic undefs */
#undef DUK__ERRFMT_BUFSIZE
-#line 1 "duk_unicode_support.c"
/*
* Various Unicode help functions for character classification predicates,
* case conversion, decoding, etc.
*/
-/* include removed: duk_internal.h */
+/* #include duk_internal.h -> already included */
/*
* Fast path tables
@@ -10195,8 +10795,17 @@ DUK_INTERNAL duk_small_int_t duk_unicode_decode_xutf8(duk_hthread *thr, const du
while (n > 0) {
DUK_ASSERT(p >= ptr_start && p < ptr_end);
- res = res << 6;
- res += (duk_uint32_t) ((*p++) & 0x3f);
+ ch = (duk_uint_fast8_t) (*p++);
+#if 0
+ if (ch & 0xc0 != 0x80) {
+ /* not a continuation byte */
+ p--;
+ *ptr = p;
+ *out_cp = DUK_UNICODE_CP_REPLACEMENT_CHARACTER;
+ return 1;
+ }
+#endif
+ res = (res << 6) + (duk_uint32_t) (ch & 0x3f);
n--;
}
@@ -10215,7 +10824,7 @@ DUK_INTERNAL duk_ucodepoint_t duk_unicode_decode_xutf8_checked(duk_hthread *thr,
if (duk_unicode_decode_xutf8(thr, ptr, ptr_start, ptr_end, &cp)) {
return cp;
}
- DUK_ERROR_INTERNAL(thr, "utf-8 decode failed"); /* XXX: 'internal error' is a bit of a misnomer */
+ DUK_ERROR_INTERNAL(thr);
DUK_UNREACHABLE();
return 0;
}
@@ -10230,7 +10839,7 @@ DUK_INTERNAL duk_ucodepoint_t duk_unicode_decode_xutf8_checked(duk_hthread *thr,
* chosen from several variants, based on x64 gcc -O2 testing. See:
* https://github.com/svaarala/duktape/pull/422
*
- * NOTE: must match src/dukutil.py:duk_unicode_unvalidated_utf8_length().
+ * NOTE: must match tools/dukutil.py:duk_unicode_unvalidated_utf8_length().
*/
#if defined(DUK_USE_PREFER_SIZE)
@@ -10341,7 +10950,7 @@ DUK_INTERNAL duk_size_t duk_unicode_unvalidated_utf8_length(const duk_uint8_t *d
* Used for slow path Unicode matching.
*/
-/* Must match src/extract_chars.py, generate_match_table3(). */
+/* Must match tools/extract_chars.py, generate_match_table3(). */
DUK_LOCAL duk_uint32_t duk__uni_decode_value(duk_bitdecoder_ctx *bd_ctx) {
duk_uint32_t t;
@@ -10412,7 +11021,7 @@ DUK_INTERNAL duk_small_int_t duk_unicode_is_whitespace(duk_codepoint_t cp) {
* FEFF;ZERO WIDTH NO-BREAK SPACE;Cf;0;BN;;;;;N;BYTE ORDER MARK;;;;
*
* It also specifies any Unicode category 'Zs' characters as white
- * space. These can be extracted with the "src/extract_chars.py" script.
+ * space. These can be extracted with the "tools/extract_chars.py" script.
* Current result:
*
* RAW OUTPUT:
@@ -10519,7 +11128,7 @@ DUK_INTERNAL duk_small_int_t duk_unicode_is_identifier_start(duk_codepoint_t cp)
*
* The "UnicodeLetter" alternative of the production allows letters
* from various Unicode categories. These can be extracted with the
- * "src/extract_chars.py" script.
+ * "tools/extract_chars.py" script.
*
* Because the result has hundreds of Unicode codepoint ranges, matching
* for any values >= 0x80 are done using a very slow range-by-range scan
@@ -10550,7 +11159,7 @@ DUK_INTERNAL duk_small_int_t duk_unicode_is_identifier_start(duk_codepoint_t cp)
/* Non-ASCII slow path (range-by-range linear comparison), very slow */
-#ifdef DUK_USE_SOURCE_NONBMP
+#if defined(DUK_USE_SOURCE_NONBMP)
if (duk__uni_range_match(duk_unicode_ids_noa,
(duk_size_t) sizeof(duk_unicode_ids_noa),
(duk_codepoint_t) cp)) {
@@ -10616,7 +11225,7 @@ DUK_INTERNAL duk_small_int_t duk_unicode_is_identifier_part(duk_codepoint_t cp)
* The matching code reuses the "identifier start" tables, and then
* consults a separate range set for characters in "identifier part"
* but not in "identifier start". These can be extracted with the
- * "src/extract_chars.py" script.
+ * "tools/extract_chars.py" script.
*
* UnicodeCombiningMark -> categories Mn, Mc
* UnicodeDigit -> categories Nd
@@ -10640,7 +11249,7 @@ DUK_INTERNAL duk_small_int_t duk_unicode_is_identifier_part(duk_codepoint_t cp)
/* Non-ASCII slow path (range-by-range linear comparison), very slow */
-#ifdef DUK_USE_SOURCE_NONBMP
+#if defined(DUK_USE_SOURCE_NONBMP)
if (duk__uni_range_match(duk_unicode_ids_noa,
sizeof(duk_unicode_ids_noa),
(duk_codepoint_t) cp) ||
@@ -10699,7 +11308,7 @@ DUK_INTERNAL duk_small_int_t duk_unicode_is_letter(duk_codepoint_t cp) {
/* Non-ASCII slow path (range-by-range linear comparison), very slow */
-#ifdef DUK_USE_SOURCE_NONBMP
+#if defined(DUK_USE_SOURCE_NONBMP)
if (duk__uni_range_match(duk_unicode_ids_noa,
sizeof(duk_unicode_ids_noa),
(duk_codepoint_t) cp) &&
@@ -10731,14 +11340,14 @@ DUK_INTERNAL duk_small_int_t duk_unicode_is_letter(duk_codepoint_t cp) {
/*
* Complex case conversion helper which decodes a bit-packed conversion
- * control stream generated by unicode/extract_caseconv.py. The conversion
+ * control stream generated by tools/extract_caseconv.py. The conversion
* is very slow because it runs through the conversion data in a linear
* fashion to save space (which is why ASCII characters have a special
* fast path before arriving here).
*
* The particular bit counts etc have been determined experimentally to
* be small but still sufficient, and must match the Python script
- * (src/extract_caseconv.py).
+ * (tools/extract_caseconv.py).
*
* The return value is the case converted codepoint or -1 if the conversion
* results in multiple characters (this is useful for regexp Canonicalization
@@ -10798,7 +11407,7 @@ duk_codepoint_t duk__slow_case_conversion(duk_hthread *thr,
}
/* 1:1 conversion */
- n = (duk_small_int_t) duk_bd_decode(bd_ctx, 6);
+ n = (duk_small_int_t) duk_bd_decode(bd_ctx, 7);
DUK_DDD(DUK_DDDPRINT("checking 1:1 conversions (count %ld)", (long) n));
while (n--) {
start_i = (duk_codepoint_t) duk_bd_decode(bd_ctx, 16);
@@ -10953,7 +11562,7 @@ DUK_INTERNAL void duk_unicode_case_convert_string(duk_hthread *thr, duk_small_in
const duk_uint8_t *p, *p_start, *p_end;
duk_codepoint_t prev, curr, next;
- h_input = duk_require_hstring(ctx, -1);
+ h_input = duk_require_hstring(ctx, -1); /* Accept symbols. */
DUK_ASSERT(h_input != NULL);
bw = &bw_alloc;
@@ -10973,7 +11582,7 @@ DUK_INTERNAL void duk_unicode_case_convert_string(duk_hthread *thr, duk_small_in
curr = next;
next = -1;
if (p < p_end) {
- next = (int) duk_unicode_decode_xutf8_checked(thr, &p, p_start, p_end);
+ next = (duk_codepoint_t) duk_unicode_decode_xutf8_checked(thr, &p, p_start, p_end);
} else {
/* end of input and last char has been processed */
if (curr < 0) {
@@ -11000,11 +11609,12 @@ DUK_INTERNAL void duk_unicode_case_convert_string(duk_hthread *thr, duk_small_in
}
DUK_BW_COMPACT(thr, bw);
- duk_to_string(ctx, -1); /* invalidates h_buf pointer */
- duk_remove(ctx, -2);
+ (void) duk_buffer_to_string(ctx, -1); /* Safe, output is encoded. */
+ /* invalidates h_buf pointer */
+ duk_remove_m2(ctx);
}
-#ifdef DUK_USE_REGEXP_SUPPORT
+#if defined(DUK_USE_REGEXP_SUPPORT)
/*
* Canonicalize() abstract operation needed for canonicalization of individual
@@ -11116,12 +11726,11 @@ DUK_INTERNAL const duk_uint16_t duk_unicode_re_ranges_not_wordchar[10] = {
};
#endif /* DUK_USE_REGEXP_SUPPORT */
-#line 1 "duk_util_misc.c"
/*
* Misc util stuff
*/
-/* include removed: duk_internal.h */
+/* #include duk_internal.h -> already included */
/*
* Lowercase digits for radix values 2 to 36. Also doubles as lowercase
@@ -11339,7 +11948,189 @@ DUK_INTERNAL void duk_byteswap_bytes(duk_uint8_t *p, duk_small_uint_t len) {
}
}
#endif
-#line 1 "duk_util_hashprime.c"
+
+/*
+ * Miscellaneous coercion / clamping helpers.
+ */
+
+/* Check whether a duk_double_t is a whole number in the 32-bit range (reject
+ * negative zero), and if so, return a duk_int32_t.
+ * For compiler use: don't allow negative zero as it will cause trouble with
+ * LDINT+LDINTX, positive zero is OK.
+ */
+DUK_INTERNAL duk_bool_t duk_is_whole_get_int32_nonegzero(duk_double_t x, duk_int32_t *ival) {
+ duk_int32_t t;
+
+ t = (duk_int32_t) x;
+ if (!((duk_double_t) t == x)) {
+ return 0;
+ }
+ if (t == 0) {
+ duk_double_union du;
+ du.d = x;
+ if (DUK_DBLUNION_HAS_SIGNBIT(&du)) {
+ return 0;
+ }
+ }
+ *ival = t;
+ return 1;
+}
+
+/* Check whether a duk_double_t is a whole number in the 32-bit range, and if
+ * so, return a duk_int32_t.
+ */
+DUK_INTERNAL duk_bool_t duk_is_whole_get_int32(duk_double_t x, duk_int32_t *ival) {
+ duk_int32_t t;
+
+ t = (duk_int32_t) x;
+ if (!((duk_double_t) t == x)) {
+ return 0;
+ }
+ *ival = t;
+ return 1;
+}
+
+/*
+ * IEEE double checks
+ */
+
+DUK_INTERNAL duk_bool_t duk_double_is_anyinf(duk_double_t x) {
+ duk_double_union du;
+ du.d = x;
+ return DUK_DBLUNION_IS_ANYINF(&du);
+}
+
+DUK_INTERNAL duk_bool_t duk_double_is_posinf(duk_double_t x) {
+ duk_double_union du;
+ du.d = x;
+ return DUK_DBLUNION_IS_POSINF(&du);
+}
+
+DUK_INTERNAL duk_bool_t duk_double_is_neginf(duk_double_t x) {
+ duk_double_union du;
+ du.d = x;
+ return DUK_DBLUNION_IS_NEGINF(&du);
+}
+
+DUK_INTERNAL duk_bool_t duk_double_is_nan(duk_double_t x) {
+ duk_double_union du;
+ du.d = x;
+ /* Assumes we're dealing with a Duktape internal NaN which is
+ * NaN normalized if duk_tval requires it.
+ */
+ DUK_ASSERT(DUK_DBLUNION_IS_NORMALIZED(&du));
+ return DUK_DBLUNION_IS_NAN(&du);
+}
+
+DUK_INTERNAL duk_bool_t duk_double_is_nan_or_zero(duk_double_t x) {
+ duk_double_union du;
+ du.d = x;
+ /* Assumes we're dealing with a Duktape internal NaN which is
+ * NaN normalized if duk_tval requires it.
+ */
+ DUK_ASSERT(DUK_DBLUNION_IS_NORMALIZED(&du));
+ return DUK_DBLUNION_IS_NAN(&du) || DUK_DBLUNION_IS_ANYZERO(&du);
+}
+
+DUK_INTERNAL duk_bool_t duk_double_is_nan_or_inf(duk_double_t x) {
+ duk_double_union du;
+ du.d = x;
+ /* If exponent is 0x7FF the argument is either a NaN or an
+ * infinity. We don't need to check any other fields.
+ */
+#if defined(DUK_USE_64BIT_OPS)
+#if defined(DUK_USE_DOUBLE_ME)
+ return (du.ull[DUK_DBL_IDX_ULL0] & 0x000000007ff00000ULL) == 0x000000007ff00000ULL;
+#else
+ return (du.ull[DUK_DBL_IDX_ULL0] & 0x7ff0000000000000ULL) == 0x7ff0000000000000ULL;
+#endif
+#else
+ return (du.ui[DUK_DBL_IDX_UI0] & 0x7ff00000UL) == 0x7ff00000UL;
+#endif
+}
+
+DUK_INTERNAL duk_bool_t duk_double_is_nan_zero_inf(duk_double_t x) {
+ duk_double_union du;
+#if defined(DUK_USE_64BIT_OPS)
+ duk_uint64_t t;
+#else
+ duk_uint32_t t;
+#endif
+ du.d = x;
+#if defined(DUK_USE_64BIT_OPS)
+#if defined(DUK_USE_DOUBLE_ME)
+ t = du.ull[DUK_DBL_IDX_ULL0] & 0x000000007ff00000ULL;
+ if (t == 0x0000000000000000ULL) {
+ t = du.ull[DUK_DBL_IDX_ULL0] & 0x0000000080000000ULL;
+ return t == 0;
+ }
+ if (t == 0x000000007ff00000UL) {
+ return 1;
+ }
+#else
+ t = du.ull[DUK_DBL_IDX_ULL0] & 0x7ff0000000000000ULL;
+ if (t == 0x0000000000000000ULL) {
+ t = du.ull[DUK_DBL_IDX_ULL0] & 0x8000000000000000ULL;
+ return t == 0;
+ }
+ if (t == 0x7ff0000000000000ULL) {
+ return 1;
+ }
+#endif
+#else
+ t = du.ui[DUK_DBL_IDX_UI0] & 0x7ff00000UL;
+ if (t == 0x00000000UL) {
+ return DUK_DBLUNION_IS_ANYZERO(&du);
+ }
+ if (t == 0x7ff00000UL) {
+ return 1;
+ }
+#endif
+ return 0;
+}
+
+DUK_INTERNAL duk_small_uint_t duk_double_signbit(duk_double_t x) {
+ duk_double_union du;
+ du.d = x;
+ return (duk_small_uint_t) DUK_DBLUNION_GET_SIGNBIT(&du);
+}
+
+DUK_INTERNAL duk_double_t duk_double_trunc_towards_zero(duk_double_t x) {
+ /* XXX: optimize */
+ duk_small_int_t s = duk_double_signbit(x);
+ x = DUK_FLOOR(DUK_FABS(x)); /* truncate towards zero */
+ if (s) {
+ x = -x;
+ }
+ return x;
+}
+
+DUK_INTERNAL duk_bool_t duk_double_same_sign(duk_double_t x, duk_double_t y) {
+ duk_double_union du1;
+ duk_double_union du2;
+ du1.d = x;
+ du2.d = y;
+
+ return (((du1.ui[DUK_DBL_IDX_UI0] ^ du2.ui[DUK_DBL_IDX_UI0]) & 0x80000000UL) == 0);
+}
+
+DUK_INTERNAL duk_double_t duk_double_fmin(duk_double_t x, duk_double_t y) {
+ /* Doesn't replicate fmin() behavior exactly: for fmin() if one
+ * argument is a NaN, the other argument should be returned.
+ * Duktape doesn't rely on this behavior so the replacement can
+ * be simplified.
+ */
+ return (x < y ? x : y);
+}
+
+DUK_INTERNAL duk_double_t duk_double_fmax(duk_double_t x, duk_double_t y) {
+ /* Doesn't replicate fmax() behavior exactly: for fmax() if one
+ * argument is a NaN, the other argument should be returned.
+ * Duktape doesn't rely on this behavior so the replacement can
+ * be simplified.
+ */
+ return (x > y ? x : y);
+}
/*
* Round a number upwards to a prime (not usually the nearest one).
*
@@ -11353,7 +12144,7 @@ DUK_INTERNAL void duk_byteswap_bytes(duk_uint8_t *p, duk_small_uint_t len) {
* probe sequence steps in duk_hobject and duk_heap stringtable.
*/
-/* include removed: duk_internal.h */
+/* #include duk_internal.h -> already included */
/* Awkward inclusion condition: drop out of compilation if not needed by any
* call site: object hash part or probing stringtable.
@@ -11397,7 +12188,7 @@ DUK_INTERNAL duk_uint32_t duk_util_get_hash_prime(duk_uint32_t size) {
}
/* prediction: portable variant using doubles if 64-bit values not available */
-#ifdef DUK_USE_64BIT_OPS
+#if defined(DUK_USE_64BIT_OPS)
curr = (duk_uint32_t) ((((duk_uint64_t) curr) * ((duk_uint64_t) DUK__HASH_SIZE_RATIO)) >> 10);
#else
/* 32-bit x 11-bit = 43-bit, fits accurately into a double */
@@ -11417,12 +12208,14 @@ DUK_INTERNAL duk_uint32_t duk_util_get_hash_prime(duk_uint32_t size) {
}
#endif /* DUK_USE_HOBJECT_HASH_PART || DUK_USE_STRTAB_PROBE */
-#line 1 "duk_hobject_class.c"
+
+/* automatic undefs */
+#undef DUK__HASH_SIZE_RATIO
/*
* Hobject Ecmascript [[Class]].
*/
-/* include removed: duk_internal.h */
+/* #include duk_internal.h -> already included */
#if (DUK_STRIDX_UC_ARGUMENTS > 255)
#error constant too large
@@ -11469,9 +12262,6 @@ DUK_INTERNAL duk_uint32_t duk_util_get_hash_prime(duk_uint32_t size) {
#if (DUK_STRIDX_DEC_ENV > 255)
#error constant too large
#endif
-#if (DUK_STRIDX_UC_BUFFER > 255)
-#error constant too large
-#endif
#if (DUK_STRIDX_UC_POINTER > 255)
#error constant too large
#endif
@@ -11517,23 +12307,23 @@ DUK_INTERNAL duk_uint32_t duk_util_get_hash_prime(duk_uint32_t size) {
/* Note: assumes that these string indexes are 8-bit, genstrings.py must ensure that */
DUK_INTERNAL duk_uint8_t duk_class_number_to_stridx[32] = {
- DUK_STRIDX_EMPTY_STRING, /* UNUSED, intentionally empty */
- DUK_STRIDX_UC_ARGUMENTS,
+ DUK_STRIDX_EMPTY_STRING, /* NONE, intentionally empty */
+ DUK_STRIDX_UC_OBJECT,
DUK_STRIDX_ARRAY,
+ DUK_STRIDX_UC_FUNCTION,
+ DUK_STRIDX_UC_ARGUMENTS,
DUK_STRIDX_UC_BOOLEAN,
DUK_STRIDX_DATE,
DUK_STRIDX_UC_ERROR,
- DUK_STRIDX_UC_FUNCTION,
DUK_STRIDX_JSON,
DUK_STRIDX_MATH,
DUK_STRIDX_UC_NUMBER,
- DUK_STRIDX_UC_OBJECT,
DUK_STRIDX_REG_EXP,
DUK_STRIDX_UC_STRING,
DUK_STRIDX_GLOBAL,
+ DUK_STRIDX_UC_SYMBOL,
DUK_STRIDX_OBJ_ENV,
DUK_STRIDX_DEC_ENV,
- DUK_STRIDX_UC_BUFFER,
DUK_STRIDX_UC_POINTER,
DUK_STRIDX_UC_THREAD,
DUK_STRIDX_ARRAY_BUFFER,
@@ -11550,7 +12340,6 @@ DUK_INTERNAL duk_uint8_t duk_class_number_to_stridx[32] = {
DUK_STRIDX_EMPTY_STRING, /* UNUSED, intentionally empty */
DUK_STRIDX_EMPTY_STRING, /* UNUSED, intentionally empty */
};
-#line 1 "duk_alloc_default.c"
/*
* Default allocation functions.
*
@@ -11558,7 +12347,7 @@ DUK_INTERNAL duk_uint8_t duk_class_number_to_stridx[32] = {
* a NULL or a unique pointer which is a no-op for free.
*/
-/* include removed: duk_internal.h */
+/* #include duk_internal.h -> already included */
#if defined(DUK_USE_PROVIDE_DEFAULT_ALLOC_FUNCTIONS)
DUK_INTERNAL void *duk_default_alloc_function(void *udata, duk_size_t size) {
@@ -11585,20 +12374,19 @@ DUK_INTERNAL void duk_default_free_function(void *udata, void *ptr) {
DUK_ANSI_FREE(ptr);
}
#endif /* DUK_USE_PROVIDE_DEFAULT_ALLOC_FUNCTIONS */
-#line 1 "duk_api_buffer.c"
/*
* Buffer
*/
-/* include removed: duk_internal.h */
+/* #include duk_internal.h -> already included */
-DUK_EXTERNAL void *duk_resize_buffer(duk_context *ctx, duk_idx_t index, duk_size_t new_size) {
+DUK_EXTERNAL void *duk_resize_buffer(duk_context *ctx, duk_idx_t idx, duk_size_t new_size) {
duk_hthread *thr = (duk_hthread *) ctx;
duk_hbuffer_dynamic *h;
DUK_ASSERT_CTX_VALID(ctx);
- h = (duk_hbuffer_dynamic *) duk_require_hbuffer(ctx, index);
+ h = (duk_hbuffer_dynamic *) duk_require_hbuffer(ctx, idx);
DUK_ASSERT(h != NULL);
if (!(DUK_HBUFFER_HAS_DYNAMIC(h) && !DUK_HBUFFER_HAS_EXTERNAL(h))) {
@@ -11611,7 +12399,7 @@ DUK_EXTERNAL void *duk_resize_buffer(duk_context *ctx, duk_idx_t index, duk_size
return DUK_HBUFFER_DYNAMIC_GET_DATA_PTR(thr->heap, h);
}
-DUK_EXTERNAL void *duk_steal_buffer(duk_context *ctx, duk_idx_t index, duk_size_t *out_size) {
+DUK_EXTERNAL void *duk_steal_buffer(duk_context *ctx, duk_idx_t idx, duk_size_t *out_size) {
duk_hthread *thr = (duk_hthread *) ctx;
duk_hbuffer_dynamic *h;
void *ptr;
@@ -11619,7 +12407,7 @@ DUK_EXTERNAL void *duk_steal_buffer(duk_context *ctx, duk_idx_t index, duk_size_
DUK_ASSERT(ctx != NULL);
- h = (duk_hbuffer_dynamic *) duk_require_hbuffer(ctx, index);
+ h = (duk_hbuffer_dynamic *) duk_require_hbuffer(ctx, idx);
DUK_ASSERT(h != NULL);
if (!(DUK_HBUFFER_HAS_DYNAMIC(h) && !DUK_HBUFFER_HAS_EXTERNAL(h))) {
@@ -11642,13 +12430,13 @@ DUK_EXTERNAL void *duk_steal_buffer(duk_context *ctx, duk_idx_t index, duk_size_
return ptr;
}
-DUK_EXTERNAL void duk_config_buffer(duk_context *ctx, duk_idx_t index, void *ptr, duk_size_t len) {
+DUK_EXTERNAL void duk_config_buffer(duk_context *ctx, duk_idx_t idx, void *ptr, duk_size_t len) {
duk_hthread *thr = (duk_hthread *) ctx;
duk_hbuffer_external *h;
DUK_ASSERT(ctx != NULL);
- h = (duk_hbuffer_external *) duk_require_hbuffer(ctx, index);
+ h = (duk_hbuffer_external *) duk_require_hbuffer(ctx, idx);
DUK_ASSERT(h != NULL);
if (!DUK_HBUFFER_HAS_EXTERNAL(h)) {
@@ -11659,7 +12447,6 @@ DUK_EXTERNAL void duk_config_buffer(duk_context *ctx, duk_idx_t index, void *ptr
DUK_HBUFFER_EXTERNAL_SET_DATA_PTR(thr->heap, h, ptr);
DUK_HBUFFER_EXTERNAL_SET_SIZE(h, len);
}
-#line 1 "duk_api_bytecode.c"
/*
* Bytecode dump/load
*
@@ -11672,7 +12459,7 @@ DUK_EXTERNAL void duk_config_buffer(duk_context *ctx, duk_idx_t index, void *ptr
* validated which is not easy to do with indirect register references etc.
*/
-/* include removed: duk_internal.h */
+/* #include duk_internal.h -> already included */
#if defined(DUK_USE_BYTECODE_DUMP_SUPPORT)
@@ -11700,7 +12487,7 @@ DUK_LOCAL duk_uint8_t *duk__load_buffer_raw(duk_context *ctx, duk_uint8_t *p) {
duk_uint8_t *buf;
len = DUK_RAW_READ_U32_BE(p);
- buf = (duk_uint8_t *) duk_push_fixed_buffer(ctx, (duk_size_t) len);
+ buf = (duk_uint8_t *) duk_push_fixed_buffer_nozero(ctx, (duk_size_t) len);
DUK_ASSERT(buf != NULL);
DUK_MEMCPY((void *) buf, (const void *) p, (size_t) len);
p += len;
@@ -11867,19 +12654,22 @@ DUK_LOCAL duk_uint8_t *duk__dump_formals(duk_hthread *thr, duk_uint8_t *p, duk_b
*/
varname = DUK_TVAL_GET_STRING(tv_val);
DUK_ASSERT(varname != NULL);
+ DUK_ASSERT(DUK_HSTRING_GET_BYTELEN(varname) >= 1); /* won't be confused with terminator */
DUK_ASSERT(DUK_HSTRING_MAX_BYTELEN <= 0x7fffffffUL); /* ensures no overflow */
p = DUK_BW_ENSURE_RAW(thr, bw_ctx, 4 + DUK_HSTRING_GET_BYTELEN(varname), p);
p = duk__dump_hstring_raw(p, varname);
}
}
+ } else {
+ DUK_DD(DUK_DDPRINT("dumping function without _Formals, emit empty list"));
}
p = DUK_BW_ENSURE_RAW(thr, bw_ctx, 4, p);
DUK_RAW_WRITE_U32_BE(p, 0); /* end of _Formals */
return p;
}
-static duk_uint8_t *duk__dump_func(duk_context *ctx, duk_hcompiledfunction *func, duk_bufwriter_ctx *bw_ctx, duk_uint8_t *p) {
+static duk_uint8_t *duk__dump_func(duk_context *ctx, duk_hcompfunc *func, duk_bufwriter_ctx *bw_ctx, duk_uint8_t *p) {
duk_hthread *thr;
duk_tval *tv, *tv_end;
duk_instr_t *ins, *ins_end;
@@ -11900,29 +12690,29 @@ static duk_uint8_t *duk__dump_func(duk_context *ctx, duk_hcompiledfunction *func
"code=[%p,%p[ (%ld bytes, %ld items)",
(void *) func,
(void *) p,
- (void *) DUK_HCOMPILEDFUNCTION_GET_CONSTS_BASE(thr->heap, func),
- (void *) DUK_HCOMPILEDFUNCTION_GET_CONSTS_END(thr->heap, func),
- (long) DUK_HCOMPILEDFUNCTION_GET_CONSTS_SIZE(thr->heap, func),
- (long) DUK_HCOMPILEDFUNCTION_GET_CONSTS_COUNT(thr->heap, func),
- (void *) DUK_HCOMPILEDFUNCTION_GET_FUNCS_BASE(thr->heap, func),
- (void *) DUK_HCOMPILEDFUNCTION_GET_FUNCS_END(thr->heap, func),
- (long) DUK_HCOMPILEDFUNCTION_GET_FUNCS_SIZE(thr->heap, func),
- (long) DUK_HCOMPILEDFUNCTION_GET_FUNCS_COUNT(thr->heap, func),
- (void *) DUK_HCOMPILEDFUNCTION_GET_CODE_BASE(thr->heap, func),
- (void *) DUK_HCOMPILEDFUNCTION_GET_CODE_END(thr->heap, func),
- (long) DUK_HCOMPILEDFUNCTION_GET_CODE_SIZE(thr->heap, func),
- (long) DUK_HCOMPILEDFUNCTION_GET_CODE_COUNT(thr->heap, func)));
+ (void *) DUK_HCOMPFUNC_GET_CONSTS_BASE(thr->heap, func),
+ (void *) DUK_HCOMPFUNC_GET_CONSTS_END(thr->heap, func),
+ (long) DUK_HCOMPFUNC_GET_CONSTS_SIZE(thr->heap, func),
+ (long) DUK_HCOMPFUNC_GET_CONSTS_COUNT(thr->heap, func),
+ (void *) DUK_HCOMPFUNC_GET_FUNCS_BASE(thr->heap, func),
+ (void *) DUK_HCOMPFUNC_GET_FUNCS_END(thr->heap, func),
+ (long) DUK_HCOMPFUNC_GET_FUNCS_SIZE(thr->heap, func),
+ (long) DUK_HCOMPFUNC_GET_FUNCS_COUNT(thr->heap, func),
+ (void *) DUK_HCOMPFUNC_GET_CODE_BASE(thr->heap, func),
+ (void *) DUK_HCOMPFUNC_GET_CODE_END(thr->heap, func),
+ (long) DUK_HCOMPFUNC_GET_CODE_SIZE(thr->heap, func),
+ (long) DUK_HCOMPFUNC_GET_CODE_COUNT(thr->heap, func)));
DUK_ASSERT(DUK_USE_ESBC_MAX_BYTES <= 0x7fffffffUL); /* ensures no overflow */
- count_instr = (duk_uint32_t) DUK_HCOMPILEDFUNCTION_GET_CODE_COUNT(thr->heap, func);
+ count_instr = (duk_uint32_t) DUK_HCOMPFUNC_GET_CODE_COUNT(thr->heap, func);
p = DUK_BW_ENSURE_RAW(thr, bw_ctx, 3 * 4 + 2 * 2 + 3 * 4 + count_instr * 4, p);
/* Fixed header info. */
tmp32 = count_instr;
DUK_RAW_WRITE_U32_BE(p, tmp32);
- tmp32 = (duk_uint32_t) DUK_HCOMPILEDFUNCTION_GET_CONSTS_COUNT(thr->heap, func);
+ tmp32 = (duk_uint32_t) DUK_HCOMPFUNC_GET_CONSTS_COUNT(thr->heap, func);
DUK_RAW_WRITE_U32_BE(p, tmp32);
- tmp32 = (duk_uint32_t) DUK_HCOMPILEDFUNCTION_GET_FUNCS_COUNT(thr->heap, func);
+ tmp32 = (duk_uint32_t) DUK_HCOMPFUNC_GET_FUNCS_COUNT(thr->heap, func);
DUK_RAW_WRITE_U32_BE(p, tmp32);
tmp16 = func->nregs;
DUK_RAW_WRITE_U16_BE(p, tmp16);
@@ -11937,14 +12727,14 @@ static duk_uint8_t *duk__dump_func(duk_context *ctx, duk_hcompiledfunction *func
DUK_RAW_WRITE_U32_BE(p, 0);
DUK_RAW_WRITE_U32_BE(p, 0);
#endif
- tmp32 = ((duk_heaphdr *) func)->h_flags & DUK_HEAPHDR_FLAGS_FLAG_MASK;
+ tmp32 = DUK_HEAPHDR_GET_FLAGS((duk_heaphdr *) func); /* masks flags, only duk_hobject flags */
DUK_RAW_WRITE_U32_BE(p, tmp32);
/* Bytecode instructions: endian conversion needed unless
* platform is big endian.
*/
- ins = DUK_HCOMPILEDFUNCTION_GET_CODE_BASE(thr->heap, func);
- ins_end = DUK_HCOMPILEDFUNCTION_GET_CODE_END(thr->heap, func);
+ ins = DUK_HCOMPFUNC_GET_CODE_BASE(thr->heap, func);
+ ins_end = DUK_HCOMPFUNC_GET_CODE_END(thr->heap, func);
DUK_ASSERT((duk_size_t) (ins_end - ins) == (duk_size_t) count_instr);
#if defined(DUK_USE_INTEGER_BE)
DUK_MEMCPY((void *) p, (const void *) ins, (size_t) (ins_end - ins));
@@ -11958,8 +12748,8 @@ static duk_uint8_t *duk__dump_func(duk_context *ctx, duk_hcompiledfunction *func
#endif
/* Constants: variable size encoding. */
- tv = DUK_HCOMPILEDFUNCTION_GET_CONSTS_BASE(thr->heap, func);
- tv_end = DUK_HCOMPILEDFUNCTION_GET_CONSTS_END(thr->heap, func);
+ tv = DUK_HCOMPFUNC_GET_CONSTS_BASE(thr->heap, func);
+ tv_end = DUK_HCOMPFUNC_GET_CONSTS_END(thr->heap, func);
while (tv != tv_end) {
/* constants are strings or numbers now */
DUK_ASSERT(DUK_TVAL_IS_STRING(tv) ||
@@ -11983,8 +12773,8 @@ static duk_uint8_t *duk__dump_func(duk_context *ctx, duk_hcompiledfunction *func
}
/* Inner functions recursively. */
- fn = (duk_hobject **) DUK_HCOMPILEDFUNCTION_GET_FUNCS_BASE(thr->heap, func);
- fn_end = (duk_hobject **) DUK_HCOMPILEDFUNCTION_GET_FUNCS_END(thr->heap, func);
+ fn = (duk_hobject **) DUK_HCOMPFUNC_GET_FUNCS_BASE(thr->heap, func);
+ fn_end = (duk_hobject **) DUK_HCOMPFUNC_GET_FUNCS_END(thr->heap, func);
while (fn != fn_end) {
/* XXX: This causes recursion up to inner function depth
* which is normally not an issue, e.g. mark-and-sweep uses
@@ -11992,11 +12782,13 @@ static duk_uint8_t *duk__dump_func(duk_context *ctx, duk_hcompiledfunction *func
* this would mean some sort of a work list or just refusing
* to serialize deep functions.
*/
- DUK_ASSERT(DUK_HOBJECT_IS_COMPILEDFUNCTION(*fn));
- p = duk__dump_func(ctx, (duk_hcompiledfunction *) *fn, bw_ctx, p);
+ DUK_ASSERT(DUK_HOBJECT_IS_COMPFUNC(*fn));
+ p = duk__dump_func(ctx, (duk_hcompfunc *) *fn, bw_ctx, p);
fn++;
}
+ /* Lexenv and varenv are not dumped. */
+
/* Object extra properties.
*
* There are some difference between function templates and functions.
@@ -12005,9 +12797,15 @@ static duk_uint8_t *duk__dump_func(duk_context *ctx, duk_hcompiledfunction *func
*/
p = duk__dump_uint32_prop(thr, p, bw_ctx, (duk_hobject *) func, DUK_STRIDX_LENGTH, (duk_uint32_t) func->nargs);
+#if defined(DUK_USE_FUNC_NAME_PROPERTY)
p = duk__dump_string_prop(thr, p, bw_ctx, (duk_hobject *) func, DUK_STRIDX_NAME);
+#endif
+#if defined(DUK_USE_FUNC_FILENAME_PROPERTY)
p = duk__dump_string_prop(thr, p, bw_ctx, (duk_hobject *) func, DUK_STRIDX_FILE_NAME);
+#endif
+#if defined(DUK_USE_PC2LINE)
p = duk__dump_buffer_prop(thr, p, bw_ctx, (duk_hobject *) func, DUK_STRIDX_INT_PC2LINE);
+#endif
p = duk__dump_varmap(thr, p, bw_ctx, (duk_hobject *) func);
p = duk__dump_formals(thr, p, bw_ctx, (duk_hobject *) func);
@@ -12032,7 +12830,7 @@ static duk_uint8_t *duk__dump_func(duk_context *ctx, duk_hcompiledfunction *func
static duk_uint8_t *duk__load_func(duk_context *ctx, duk_uint8_t *p, duk_uint8_t *p_end) {
duk_hthread *thr;
- duk_hcompiledfunction *h_fun;
+ duk_hcompfunc *h_fun;
duk_hbuffer *h_data;
duk_size_t data_size;
duk_uint32_t count_instr, count_const, count_funcs;
@@ -12044,6 +12842,8 @@ static duk_uint8_t *duk__load_func(duk_context *ctx, duk_uint8_t *p, duk_uint8_t
duk_idx_t idx_base;
duk_tval *tv1;
duk_uarridx_t arr_idx;
+ duk_hobject *func_env;
+ duk_bool_t need_pop;
/* XXX: There's some overlap with duk_js_closure() here, but
* seems difficult to share code. Ensure that the final function
@@ -12078,13 +12878,13 @@ static duk_uint8_t *duk__load_func(duk_context *ctx, duk_uint8_t *p, duk_uint8_t
/* Push function object, init flags etc. This must match
* duk_js_push_closure() quite carefully.
*/
- duk_push_compiledfunction(ctx);
- h_fun = duk_get_hcompiledfunction(ctx, -1);
+ h_fun = duk_push_hcompfunc(ctx);
DUK_ASSERT(h_fun != NULL);
- DUK_ASSERT(DUK_HOBJECT_IS_COMPILEDFUNCTION((duk_hobject *) h_fun));
- DUK_ASSERT(DUK_HCOMPILEDFUNCTION_GET_DATA(thr->heap, h_fun) == NULL);
- DUK_ASSERT(DUK_HCOMPILEDFUNCTION_GET_FUNCS(thr->heap, h_fun) == NULL);
- DUK_ASSERT(DUK_HCOMPILEDFUNCTION_GET_BYTECODE(thr->heap, h_fun) == NULL);
+ DUK_ASSERT(DUK_HOBJECT_IS_COMPFUNC((duk_hobject *) h_fun));
+ DUK_ASSERT(DUK_HCOMPFUNC_GET_DATA(thr->heap, h_fun) == NULL);
+ DUK_ASSERT(DUK_HCOMPFUNC_GET_FUNCS(thr->heap, h_fun) == NULL);
+ DUK_ASSERT(DUK_HCOMPFUNC_GET_BYTECODE(thr->heap, h_fun) == NULL);
+ DUK_ASSERT(DUK_HOBJECT_GET_PROTOTYPE(thr->heap, (duk_hobject *) h_fun) == thr->builtins[DUK_BIDX_FUNCTION_PROTOTYPE]);
h_fun->nregs = DUK_RAW_READ_U16_BE(p);
h_fun->nargs = DUK_RAW_READ_U16_BE(p);
@@ -12095,25 +12895,25 @@ static duk_uint8_t *duk__load_func(duk_context *ctx, duk_uint8_t *p, duk_uint8_t
p += 8; /* skip line info */
#endif
- /* duk_hcompiledfunction flags; quite version specific */
+ /* duk_hcompfunc flags; quite version specific */
tmp32 = DUK_RAW_READ_U32_BE(p);
- DUK_HEAPHDR_SET_FLAGS((duk_heaphdr *) h_fun, tmp32);
+ DUK_HEAPHDR_SET_FLAGS((duk_heaphdr *) h_fun, tmp32); /* masks flags to only change duk_hobject flags */
/* standard prototype */
DUK_HOBJECT_SET_PROTOTYPE_UPDREF(thr, &h_fun->obj, thr->builtins[DUK_BIDX_FUNCTION_PROTOTYPE]);
/* assert just a few critical flags */
DUK_ASSERT(DUK_HEAPHDR_GET_TYPE((duk_heaphdr *) h_fun) == DUK_HTYPE_OBJECT);
- DUK_ASSERT(!DUK_HOBJECT_HAS_BOUND(&h_fun->obj));
- DUK_ASSERT(DUK_HOBJECT_HAS_COMPILEDFUNCTION(&h_fun->obj));
- DUK_ASSERT(!DUK_HOBJECT_HAS_NATIVEFUNCTION(&h_fun->obj));
+ DUK_ASSERT(!DUK_HOBJECT_HAS_BOUNDFUNC(&h_fun->obj));
+ DUK_ASSERT(DUK_HOBJECT_HAS_COMPFUNC(&h_fun->obj));
+ DUK_ASSERT(!DUK_HOBJECT_HAS_NATFUNC(&h_fun->obj));
DUK_ASSERT(!DUK_HOBJECT_HAS_THREAD(&h_fun->obj));
DUK_ASSERT(!DUK_HOBJECT_HAS_EXOTIC_ARRAY(&h_fun->obj));
DUK_ASSERT(!DUK_HOBJECT_HAS_EXOTIC_STRINGOBJ(&h_fun->obj));
DUK_ASSERT(!DUK_HOBJECT_HAS_EXOTIC_ARGUMENTS(&h_fun->obj));
/* Create function 'data' buffer but don't attach it yet. */
- fun_data = (duk_uint8_t *) duk_push_fixed_buffer(ctx, data_size);
+ fun_data = (duk_uint8_t *) duk_push_fixed_buffer_nozero(ctx, data_size);
DUK_ASSERT(fun_data != NULL);
/* Load bytecode instructions. */
@@ -12150,7 +12950,7 @@ static duk_uint8_t *duk__load_func(duk_context *ctx, duk_uint8_t *p, duk_uint8_t
duk_double_t val;
DUK__ASSERT_LEFT(8);
val = DUK_RAW_READ_DOUBLE_BE(p);
- DUK_TVAL_SET_NUMBER_CHKFAST(&tv_tmp, val);
+ DUK_TVAL_SET_NUMBER_CHKFAST_SLOW(&tv_tmp, val);
duk_push_tval(ctx, &tv_tmp);
break;
}
@@ -12177,10 +12977,9 @@ static duk_uint8_t *duk__load_func(duk_context *ctx, duk_uint8_t *p, duk_uint8_t
* them afterwards.
*/
- h_data = (duk_hbuffer *) duk_get_hbuffer(ctx, idx_base + 1);
- DUK_ASSERT(h_data != NULL);
+ h_data = (duk_hbuffer *) duk_known_hbuffer(ctx, idx_base + 1);
DUK_ASSERT(!DUK_HBUFFER_HAS_DYNAMIC(h_data));
- DUK_HCOMPILEDFUNCTION_SET_DATA(thr->heap, h_fun, h_data);
+ DUK_HCOMPFUNC_SET_DATA(thr->heap, h_fun, h_data);
DUK_HBUFFER_INCREF(thr, h_data);
tv1 = duk_get_tval(ctx, idx_base + 2); /* may be NULL if no constants or inner funcs */
@@ -12197,7 +12996,7 @@ static duk_uint8_t *duk__load_func(duk_context *ctx, duk_uint8_t *p, duk_uint8_t
tv1 += count_const;
}
- DUK_HCOMPILEDFUNCTION_SET_FUNCS(thr->heap, h_fun, (duk_hobject **) (void *) q);
+ DUK_HCOMPFUNC_SET_FUNCS(thr->heap, h_fun, (duk_hobject **) (void *) q);
for (n = count_funcs; n > 0; n--) {
duk_hobject *h_obj;
@@ -12211,7 +13010,7 @@ static duk_uint8_t *duk__load_func(duk_context *ctx, duk_uint8_t *p, duk_uint8_t
q += sizeof(duk_hobject *);
}
- DUK_HCOMPILEDFUNCTION_SET_BYTECODE(thr->heap, h_fun, (duk_instr_t *) (void *) q);
+ DUK_HCOMPFUNC_SET_BYTECODE(thr->heap, h_fun, (duk_instr_t *) (void *) q);
/* The function object is now reachable and refcounts are fine,
* so we can pop off all the temporaries.
@@ -12222,42 +13021,64 @@ static duk_uint8_t *duk__load_func(duk_context *ctx, duk_uint8_t *p, duk_uint8_t
/* Setup function properties. */
tmp32 = DUK_RAW_READ_U32_BE(p);
duk_push_u32(ctx, tmp32);
- duk_xdef_prop_stridx(ctx, -2, DUK_STRIDX_LENGTH, DUK_PROPDESC_FLAGS_NONE);
+ duk_xdef_prop_stridx_short(ctx, -2, DUK_STRIDX_LENGTH, DUK_PROPDESC_FLAGS_C);
- p = duk__load_string_raw(ctx, p);
+#if defined(DUK_USE_FUNC_NAME_PROPERTY)
+ p = duk__load_string_raw(ctx, p); /* -> [ func funcname ] */
+ func_env = thr->builtins[DUK_BIDX_GLOBAL_ENV];
+ DUK_ASSERT(func_env != NULL);
+ need_pop = 0;
if (DUK_HOBJECT_HAS_NAMEBINDING((duk_hobject *) h_fun)) {
/* Original function instance/template had NAMEBINDING.
* Must create a lexical environment on loading to allow
* recursive functions like 'function foo() { foo(); }'.
*/
- duk_hobject *proto;
+ duk_hobject *new_env;
+
+ new_env = duk_push_object_helper_proto(ctx,
+ DUK_HOBJECT_FLAG_EXTENSIBLE |
+ DUK_HOBJECT_CLASS_AS_FLAGS(DUK_HOBJECT_CLASS_DECENV),
+ func_env);
+ DUK_ASSERT(new_env != NULL);
+ func_env = new_env;
- proto = thr->builtins[DUK_BIDX_GLOBAL_ENV];
- (void) duk_push_object_helper_proto(ctx,
- DUK_HOBJECT_FLAG_EXTENSIBLE |
- DUK_HOBJECT_CLASS_AS_FLAGS(DUK_HOBJECT_CLASS_DECENV),
- proto);
- duk_dup(ctx, -2); /* -> [ func funcname env funcname ] */
+ duk_dup_m2(ctx); /* -> [ func funcname env funcname ] */
duk_dup(ctx, idx_base); /* -> [ func funcname env funcname func ] */
duk_xdef_prop(ctx, -3, DUK_PROPDESC_FLAGS_NONE); /* -> [ func funcname env ] */
- duk_xdef_prop_stridx(ctx, idx_base, DUK_STRIDX_INT_LEXENV, DUK_PROPDESC_FLAGS_WC);
- /* since closure has NEWENV, never define DUK_STRIDX_INT_VARENV, as it
- * will be ignored anyway
- */
+
+ need_pop = 1; /* Need to pop env, but -after- updating h_fun and increfs. */
}
- duk_xdef_prop_stridx(ctx, -2, DUK_STRIDX_NAME, DUK_PROPDESC_FLAGS_NONE);
+ DUK_ASSERT(func_env != NULL);
+ DUK_HCOMPFUNC_SET_LEXENV(thr->heap, h_fun, func_env);
+ DUK_HCOMPFUNC_SET_VARENV(thr->heap, h_fun, func_env);
+ DUK_HOBJECT_INCREF(thr, func_env);
+ DUK_HOBJECT_INCREF(thr, func_env);
+ if (need_pop) {
+ duk_pop(ctx);
+ }
+ duk_xdef_prop_stridx_short(ctx, -2, DUK_STRIDX_NAME, DUK_PROPDESC_FLAGS_C);
+#endif /* DUK_USE_FUNC_NAME_PROPERTY */
+#if defined(DUK_USE_FUNC_FILENAME_PROPERTY)
p = duk__load_string_raw(ctx, p);
- duk_xdef_prop_stridx(ctx, -2, DUK_STRIDX_FILE_NAME, DUK_PROPDESC_FLAGS_WC);
+ duk_xdef_prop_stridx_short(ctx, -2, DUK_STRIDX_FILE_NAME, DUK_PROPDESC_FLAGS_C);
+#endif /* DUK_USE_FUNC_FILENAME_PROPERTY */
- duk_push_object(ctx);
- duk_dup(ctx, -2);
- duk_xdef_prop_stridx(ctx, -2, DUK_STRIDX_CONSTRUCTOR, DUK_PROPDESC_FLAGS_WC); /* func.prototype.constructor = func */
- duk_compact(ctx, -1);
- duk_xdef_prop_stridx(ctx, -2, DUK_STRIDX_PROTOTYPE, DUK_PROPDESC_FLAGS_W);
+ if (DUK_HOBJECT_HAS_CONSTRUCTABLE((duk_hobject *) h_fun)) {
+ /* Restore empty external .prototype only for constructable
+ * functions.
+ */
+ duk_push_object(ctx);
+ duk_dup_m2(ctx);
+ duk_xdef_prop_stridx_short(ctx, -2, DUK_STRIDX_CONSTRUCTOR, DUK_PROPDESC_FLAGS_WC); /* func.prototype.constructor = func */
+ duk_compact_m1(ctx);
+ duk_xdef_prop_stridx_short(ctx, -2, DUK_STRIDX_PROTOTYPE, DUK_PROPDESC_FLAGS_W);
+ }
+#if defined(DUK_USE_PC2LINE)
p = duk__load_buffer_raw(ctx, p);
- duk_xdef_prop_stridx(ctx, -2, DUK_STRIDX_INT_PC2LINE, DUK_PROPDESC_FLAGS_WC);
+ duk_xdef_prop_stridx_short(ctx, -2, DUK_STRIDX_INT_PC2LINE, DUK_PROPDESC_FLAGS_WC);
+#endif /* DUK_USE_PC2LINE */
duk_push_object(ctx); /* _Varmap */
for (;;) {
@@ -12271,9 +13092,14 @@ static duk_uint8_t *duk__load_func(duk_context *ctx, duk_uint8_t *p, duk_uint8_t
duk_push_u32(ctx, tmp32);
duk_put_prop(ctx, -3);
}
- duk_compact(ctx, -1);
- duk_xdef_prop_stridx(ctx, -2, DUK_STRIDX_INT_VARMAP, DUK_PROPDESC_FLAGS_NONE);
+ duk_compact_m1(ctx);
+ duk_xdef_prop_stridx_short(ctx, -2, DUK_STRIDX_INT_VARMAP, DUK_PROPDESC_FLAGS_NONE);
+ /* If _Formals wasn't present in the original function, the list
+ * here will be empty. Same happens if _Formals was present but
+ * had zero length. We can omit _Formals from the result if its
+ * length is zero and matches nargs.
+ */
duk_push_array(ctx); /* _Formals */
for (arr_idx = 0; ; arr_idx++) {
/* XXX: awkward */
@@ -12284,8 +13110,12 @@ static duk_uint8_t *duk__load_func(duk_context *ctx, duk_uint8_t *p, duk_uint8_t
}
duk_put_prop_index(ctx, -2, arr_idx);
}
- duk_compact(ctx, -1);
- duk_xdef_prop_stridx(ctx, -2, DUK_STRIDX_INT_FORMALS, DUK_PROPDESC_FLAGS_NONE);
+ if (arr_idx == 0 && h_fun->nargs == 0) {
+ duk_pop(ctx);
+ } else {
+ duk_compact_m1(ctx);
+ duk_xdef_prop_stridx_short(ctx, -2, DUK_STRIDX_INT_FORMALS, DUK_PROPDESC_FLAGS_NONE);
+ }
/* Return with final function pushed on stack top. */
DUK_DD(DUK_DDPRINT("final loaded function: %!iT", duk_get_tval(ctx, -1)));
@@ -12298,7 +13128,7 @@ static duk_uint8_t *duk__load_func(duk_context *ctx, duk_uint8_t *p, duk_uint8_t
DUK_EXTERNAL void duk_dump_function(duk_context *ctx) {
duk_hthread *thr;
- duk_hcompiledfunction *func;
+ duk_hcompfunc *func;
duk_bufwriter_ctx bw_ctx_alloc;
duk_bufwriter_ctx *bw_ctx = &bw_ctx_alloc;
duk_uint8_t *p;
@@ -12310,9 +13140,9 @@ DUK_EXTERNAL void duk_dump_function(duk_context *ctx) {
* lookup the non-bound target function or reject bound functions.
* For now, bound functions are rejected.
*/
- func = duk_require_hcompiledfunction(ctx, -1);
+ func = duk_require_hcompfunc(ctx, -1);
DUK_ASSERT(func != NULL);
- DUK_ASSERT(!DUK_HOBJECT_HAS_BOUND(&func->obj));
+ DUK_ASSERT(!DUK_HOBJECT_HAS_BOUNDFUNC(&func->obj));
/* Estimating the result size beforehand would be costly, so
* start with a reasonable size and extend as needed.
@@ -12327,7 +13157,7 @@ DUK_EXTERNAL void duk_dump_function(duk_context *ctx) {
DUK_DD(DUK_DDPRINT("serialized result: %!T", duk_get_tval(ctx, -1)));
- duk_remove(ctx, -2); /* [ ... func buf ] -> [ ... buf ] */
+ duk_remove_m2(ctx); /* [ ... func buf ] -> [ ... buf ] */
}
DUK_EXTERNAL void duk_load_function(duk_context *ctx) {
@@ -12363,53 +13193,54 @@ DUK_EXTERNAL void duk_load_function(duk_context *ctx) {
goto format_error;
}
- duk_remove(ctx, -2); /* [ ... buf func ] -> [ ... func ] */
+ duk_remove_m2(ctx); /* [ ... buf func ] -> [ ... func ] */
return;
format_error:
DUK_ERROR_TYPE(thr, DUK_STR_DECODE_FAILED);
}
-#undef DUK__SER_MARKER
-#undef DUK__SER_VERSION
-#undef DUK__SER_STRING
-#undef DUK__SER_NUMBER
-#undef DUK__BYTECODE_INITIAL_ALLOC
-
#else /* DUK_USE_BYTECODE_DUMP_SUPPORT */
DUK_EXTERNAL void duk_dump_function(duk_context *ctx) {
- DUK_ERROR_UNSUPPORTED_DEFMSG((duk_hthread *) ctx);
+ DUK_ERROR_UNSUPPORTED((duk_hthread *) ctx);
}
DUK_EXTERNAL void duk_load_function(duk_context *ctx) {
- DUK_ERROR_UNSUPPORTED_DEFMSG((duk_hthread *) ctx);
+ DUK_ERROR_UNSUPPORTED((duk_hthread *) ctx);
}
#endif /* DUK_USE_BYTECODE_DUMP_SUPPORT */
-#line 1 "duk_api_call.c"
+
+/* automatic undefs */
+#undef DUK__ASSERT_LEFT
+#undef DUK__BYTECODE_INITIAL_ALLOC
+#undef DUK__SER_MARKER
+#undef DUK__SER_NUMBER
+#undef DUK__SER_STRING
+#undef DUK__SER_VERSION
/*
* Calls.
*
* Protected variants should avoid ever throwing an error.
*/
-/* include removed: duk_internal.h */
+/* #include duk_internal.h -> already included */
/* Prepare value stack for a method call through an object property.
* May currently throw an error e.g. when getting the property.
*/
-DUK_LOCAL void duk__call_prop_prep_stack(duk_context *ctx, duk_idx_t normalized_obj_index, duk_idx_t nargs) {
+DUK_LOCAL void duk__call_prop_prep_stack(duk_context *ctx, duk_idx_t normalized_obj_idx, duk_idx_t nargs) {
DUK_ASSERT_CTX_VALID(ctx);
- DUK_DDD(DUK_DDDPRINT("duk__call_prop_prep_stack, normalized_obj_index=%ld, nargs=%ld, stacktop=%ld",
- (long) normalized_obj_index, (long) nargs, (long) duk_get_top(ctx)));
+ DUK_DDD(DUK_DDDPRINT("duk__call_prop_prep_stack, normalized_obj_idx=%ld, nargs=%ld, stacktop=%ld",
+ (long) normalized_obj_idx, (long) nargs, (long) duk_get_top(ctx)));
/* [... key arg1 ... argN] */
/* duplicate key */
duk_dup(ctx, -nargs - 1); /* Note: -nargs alone would fail for nargs == 0, this is OK */
- duk_get_prop(ctx, normalized_obj_index);
+ duk_get_prop(ctx, normalized_obj_idx);
DUK_DDD(DUK_DDDPRINT("func: %!T", (duk_tval *) duk_get_tval(ctx, -1)));
@@ -12419,7 +13250,7 @@ DUK_LOCAL void duk__call_prop_prep_stack(duk_context *ctx, duk_idx_t normalized_
/* [... func arg1 ... argN] */
- duk_dup(ctx, normalized_obj_index);
+ duk_dup(ctx, normalized_obj_idx);
duk_insert(ctx, -nargs - 1);
/* [... func this arg1 ... argN] */
@@ -12436,7 +13267,7 @@ DUK_EXTERNAL void duk_call(duk_context *ctx, duk_idx_t nargs) {
idx_func = duk_get_top(ctx) - nargs - 1;
if (idx_func < 0 || nargs < 0) {
/* note that we can't reliably pop anything here */
- DUK_ERROR_API(thr, DUK_STR_INVALID_CALL_ARGS);
+ DUK_ERROR_TYPE_INVALID_ARGS(thr);
}
/* XXX: awkward; we assume there is space for this, overwrite
@@ -12463,7 +13294,7 @@ DUK_EXTERNAL void duk_call_method(duk_context *ctx, duk_idx_t nargs) {
idx_func = duk_get_top(ctx) - nargs - 2; /* must work for nargs <= 0 */
if (idx_func < 0 || nargs < 0) {
/* note that we can't reliably pop anything here */
- DUK_ERROR_API(thr, DUK_STR_INVALID_CALL_ARGS);
+ DUK_ERROR_TYPE_INVALID_ARGS(thr);
}
call_flags = 0; /* not protected, respect reclimit, not constructor */
@@ -12473,7 +13304,7 @@ DUK_EXTERNAL void duk_call_method(duk_context *ctx, duk_idx_t nargs) {
call_flags); /* call_flags */
}
-DUK_EXTERNAL void duk_call_prop(duk_context *ctx, duk_idx_t obj_index, duk_idx_t nargs) {
+DUK_EXTERNAL void duk_call_prop(duk_context *ctx, duk_idx_t obj_idx, duk_idx_t nargs) {
/*
* XXX: if duk_handle_call() took values through indices, this could be
* made much more sensible. However, duk_handle_call() needs to fudge
@@ -12483,9 +13314,9 @@ DUK_EXTERNAL void duk_call_prop(duk_context *ctx, duk_idx_t obj_index, duk_idx_t
DUK_ASSERT_CTX_VALID(ctx);
- obj_index = duk_require_normalize_index(ctx, obj_index); /* make absolute */
+ obj_idx = duk_require_normalize_index(ctx, obj_idx); /* make absolute */
- duk__call_prop_prep_stack(ctx, obj_index, nargs);
+ duk__call_prop_prep_stack(ctx, obj_idx, nargs);
duk_call_method(ctx, nargs);
}
@@ -12511,7 +13342,7 @@ DUK_EXTERNAL duk_int_t duk_pcall(duk_context *ctx, duk_idx_t nargs) {
* might STILL throw an out-of-memory error or some other internal
* fatal error.
*/
- DUK_ERROR_API(thr, DUK_STR_INVALID_CALL_ARGS);
+ DUK_ERROR_TYPE_INVALID_ARGS(thr);
return DUK_EXEC_ERROR; /* unreachable */
}
@@ -12540,7 +13371,7 @@ DUK_EXTERNAL duk_int_t duk_pcall_method(duk_context *ctx, duk_idx_t nargs) {
idx_func = duk_get_top(ctx) - nargs - 2; /* must work for nargs <= 0 */
if (idx_func < 0 || nargs < 0) {
/* See comments in duk_pcall(). */
- DUK_ERROR_API(thr, DUK_STR_INVALID_CALL_ARGS);
+ DUK_ERROR_TYPE_INVALID_ARGS(thr);
return DUK_EXEC_ERROR; /* unreachable */
}
@@ -12553,27 +13384,33 @@ DUK_EXTERNAL duk_int_t duk_pcall_method(duk_context *ctx, duk_idx_t nargs) {
return rc;
}
-DUK_LOCAL duk_ret_t duk__pcall_prop_raw(duk_context *ctx) {
- duk_idx_t obj_index;
+struct duk__pcall_prop_args {
+ duk_idx_t obj_idx;
duk_idx_t nargs;
+};
+typedef struct duk__pcall_prop_args duk__pcall_prop_args;
- /* Get the original arguments. Note that obj_index may be a relative
- * index so the stack must have the same top when we use it.
- */
+DUK_LOCAL duk_ret_t duk__pcall_prop_raw(duk_context *ctx, void *udata) {
+ duk_idx_t obj_idx;
+ duk_idx_t nargs;
+ duk__pcall_prop_args *args;
DUK_ASSERT_CTX_VALID(ctx);
+ DUK_ASSERT(udata != NULL);
- obj_index = (duk_idx_t) duk_get_int(ctx, -2);
- nargs = (duk_idx_t) duk_get_int(ctx, -1);
- duk_pop_2(ctx);
+ args = (duk__pcall_prop_args *) udata;
+ obj_idx = args->obj_idx;
+ nargs = args->nargs;
- obj_index = duk_require_normalize_index(ctx, obj_index); /* make absolute */
- duk__call_prop_prep_stack(ctx, obj_index, nargs);
+ obj_idx = duk_require_normalize_index(ctx, obj_idx); /* make absolute */
+ duk__call_prop_prep_stack(ctx, obj_idx, nargs);
duk_call_method(ctx, nargs);
return 1;
}
-DUK_EXTERNAL duk_int_t duk_pcall_prop(duk_context *ctx, duk_idx_t obj_index, duk_idx_t nargs) {
+DUK_EXTERNAL duk_int_t duk_pcall_prop(duk_context *ctx, duk_idx_t obj_idx, duk_idx_t nargs) {
+ duk__pcall_prop_args args;
+
/*
* Must be careful to catch errors related to value stack manipulation
* and property lookup, not just the call itself.
@@ -12581,17 +13418,17 @@ DUK_EXTERNAL duk_int_t duk_pcall_prop(duk_context *ctx, duk_idx_t obj_index, duk
DUK_ASSERT_CTX_VALID(ctx);
- duk_push_idx(ctx, obj_index);
- duk_push_idx(ctx, nargs);
+ args.obj_idx = obj_idx;
+ args.nargs = nargs;
- /* Inputs: explicit arguments (nargs), +1 for key, +2 for obj_index/nargs passing.
- * If the value stack does not contain enough args, an error is thrown; this matches
+ /* Inputs: explicit arguments (nargs), +1 for key. If the value stack
+ * does not contain enough args, an error is thrown; this matches
* behavior of the other protected call API functions.
*/
- return duk_safe_call(ctx, duk__pcall_prop_raw, nargs + 1 + 2 /*nargs*/, 1 /*nrets*/);
+ return duk_safe_call(ctx, duk__pcall_prop_raw, (void *) &args /*udata*/, nargs + 1 /*nargs*/, 1 /*nrets*/);
}
-DUK_EXTERNAL duk_int_t duk_safe_call(duk_context *ctx, duk_safe_call_function func, duk_idx_t nargs, duk_idx_t nrets) {
+DUK_EXTERNAL duk_int_t duk_safe_call(duk_context *ctx, duk_safe_call_function func, void *udata, duk_idx_t nargs, duk_idx_t nrets) {
duk_hthread *thr = (duk_hthread *) ctx;
duk_int_t rc;
@@ -12600,12 +13437,13 @@ DUK_EXTERNAL duk_int_t duk_safe_call(duk_context *ctx, duk_safe_call_function fu
if (duk_get_top(ctx) < nargs || nrets < 0) {
/* See comments in duk_pcall(). */
- DUK_ERROR_API(thr, DUK_STR_INVALID_CALL_ARGS);
+ DUK_ERROR_TYPE_INVALID_ARGS(thr);
return DUK_EXEC_ERROR; /* unreachable */
}
rc = duk_handle_safe_call(thr, /* thread */
func, /* func */
+ udata, /* udata */
nargs, /* num_stack_args */
nrets); /* num_stack_res */
@@ -12695,7 +13533,7 @@ DUK_EXTERNAL void duk_new(duk_context *ctx, duk_idx_t nargs) {
*/
goto not_constructable;
}
- if (!DUK_HOBJECT_HAS_BOUND(cons)) {
+ if (!DUK_HOBJECT_HAS_BOUNDFUNC(cons)) {
break;
}
} else if (DUK_TVAL_IS_LIGHTFUNC(tv)) {
@@ -12705,12 +13543,12 @@ DUK_EXTERNAL void duk_new(duk_context *ctx, duk_idx_t nargs) {
/* Anything else is not constructable. */
goto not_constructable;
}
- duk_get_prop_stridx(ctx, -1, DUK_STRIDX_INT_TARGET); /* -> [... cons target] */
- duk_remove(ctx, -2); /* -> [... target] */
+ duk_get_prop_stridx_short(ctx, -1, DUK_STRIDX_INT_TARGET); /* -> [... cons target] */
+ duk_remove_m2(ctx); /* -> [... target] */
}
DUK_ASSERT(duk_is_callable(ctx, -1));
DUK_ASSERT(duk_is_lightfunc(ctx, -1) ||
- (duk_get_hobject(ctx, -1) != NULL && !DUK_HOBJECT_HAS_BOUND(duk_get_hobject(ctx, -1))));
+ (duk_get_hobject(ctx, -1) != NULL && !DUK_HOBJECT_HAS_BOUNDFUNC(duk_get_hobject(ctx, -1))));
/* [... constructor arg1 ... argN final_cons] */
@@ -12725,7 +13563,7 @@ DUK_EXTERNAL void duk_new(duk_context *ctx, duk_idx_t nargs) {
/* [... constructor arg1 ... argN final_cons fallback] */
- duk_get_prop_stridx(ctx, -2, DUK_STRIDX_PROTOTYPE);
+ duk_get_prop_stridx_short(ctx, -2, DUK_STRIDX_PROTOTYPE);
proto = duk_get_hobject(ctx, -1);
if (!proto) {
DUK_DDD(DUK_DDDPRINT("constructor has no 'prototype' property, or value not an object "
@@ -12785,8 +13623,10 @@ DUK_EXTERNAL void duk_new(duk_context *ctx, duk_idx_t nargs) {
* object instance or not.
*/
- if (duk_is_object(ctx, -1)) {
- duk_remove(ctx, -2);
+ if (duk_check_type_mask(ctx, -1, DUK_TYPE_MASK_OBJECT |
+ DUK_TYPE_MASK_BUFFER |
+ DUK_TYPE_MASK_LIGHTFUNC)) {
+ duk_remove_m2(ctx);
} else {
duk_pop(ctx);
}
@@ -12797,7 +13637,7 @@ DUK_EXTERNAL void duk_new(duk_context *ctx, duk_idx_t nargs) {
* stack reflects the caller which is correct.
*/
-#ifdef DUK_USE_AUGMENT_ERROR_CREATE
+#if defined(DUK_USE_AUGMENT_ERROR_CREATE)
duk_hthread_sync_currpc(thr);
duk_err_augment_error_create(thr, thr, NULL, 0, 1 /*noblame_fileline*/);
#endif
@@ -12807,14 +13647,22 @@ DUK_EXTERNAL void duk_new(duk_context *ctx, duk_idx_t nargs) {
return;
not_constructable:
- DUK_ERROR_TYPE(thr, DUK_STR_NOT_CONSTRUCTABLE);
+#if defined(DUK_USE_VERBOSE_ERRORS)
+#if defined(DUK_USE_PARANOID_ERRORS)
+ DUK_ERROR_FMT1(thr, DUK_ERR_TYPE_ERROR, "%s not constructable", duk_get_type_name(ctx, -1));
+#else
+ DUK_ERROR_FMT1(thr, DUK_ERR_TYPE_ERROR, "%s not constructable", duk_push_string_readable(ctx, -1));
+#endif
+#else
+ DUK_ERROR_TYPE(thr, "not constructable");
+#endif
}
-DUK_LOCAL duk_ret_t duk__pnew_helper(duk_context *ctx) {
- duk_uint_t nargs;
+DUK_LOCAL duk_ret_t duk__pnew_helper(duk_context *ctx, void *udata) {
+ duk_idx_t nargs;
- nargs = duk_to_uint(ctx, -1);
- duk_pop(ctx);
+ DUK_ASSERT(udata != NULL);
+ nargs = *((duk_idx_t *) udata);
duk_new(ctx, nargs);
return 1;
@@ -12833,8 +13681,7 @@ DUK_EXTERNAL duk_int_t duk_pnew(duk_context *ctx, duk_idx_t nargs) {
* wrapper.
*/
- duk_push_uint(ctx, nargs);
- rc = duk_safe_call(ctx, duk__pnew_helper, nargs + 2 /*nargs*/, 1 /*nrets*/);
+ rc = duk_safe_call(ctx, duk__pnew_helper, (void *) &nargs /*udata*/, nargs + 1 /*nargs*/, 1 /*nrets*/);
return rc;
}
@@ -12847,8 +13694,19 @@ DUK_EXTERNAL duk_bool_t duk_is_constructor_call(duk_context *ctx) {
DUK_ASSERT_DISABLE(thr->callstack_top >= 0);
act = duk_hthread_get_current_activation(thr);
- DUK_ASSERT(act != NULL); /* because callstack_top > 0 */
- return ((act->flags & DUK_ACT_FLAG_CONSTRUCT) != 0 ? 1 : 0);
+ if (act != NULL) {
+ return ((act->flags & DUK_ACT_FLAG_CONSTRUCT) != 0 ? 1 : 0);
+ }
+ return 0;
+}
+
+/* XXX: Make this obsolete by adding a function flag for rejecting a
+ * non-constructor call automatically?
+ */
+DUK_INTERNAL void duk_require_constructor_call(duk_context *ctx) {
+ if (!duk_is_constructor_call(ctx)) {
+ DUK_ERROR_TYPE((duk_hthread *) ctx, DUK_STR_CONSTRUCT_ONLY);
+ }
}
DUK_EXTERNAL duk_bool_t duk_is_strict_call(duk_context *ctx) {
@@ -12900,29 +13758,29 @@ DUK_EXTERNAL duk_int_t duk_get_current_magic(duk_context *ctx) {
}
DUK_ASSERT(func != NULL);
- if (DUK_HOBJECT_IS_NATIVEFUNCTION(func)) {
- duk_hnativefunction *nf = (duk_hnativefunction *) func;
+ if (DUK_HOBJECT_IS_NATFUNC(func)) {
+ duk_hnatfunc *nf = (duk_hnatfunc *) func;
return (duk_int_t) nf->magic;
}
}
return 0;
}
-DUK_EXTERNAL duk_int_t duk_get_magic(duk_context *ctx, duk_idx_t index) {
+DUK_EXTERNAL duk_int_t duk_get_magic(duk_context *ctx, duk_idx_t idx) {
duk_hthread *thr = (duk_hthread *) ctx;
duk_tval *tv;
duk_hobject *h;
DUK_ASSERT_CTX_VALID(ctx);
- tv = duk_require_tval(ctx, index);
+ tv = duk_require_tval(ctx, idx);
if (DUK_TVAL_IS_OBJECT(tv)) {
h = DUK_TVAL_GET_OBJECT(tv);
DUK_ASSERT(h != NULL);
- if (!DUK_HOBJECT_HAS_NATIVEFUNCTION(h)) {
+ if (!DUK_HOBJECT_HAS_NATFUNC(h)) {
goto type_error;
}
- return (duk_int_t) ((duk_hnativefunction *) h)->magic;
+ return (duk_int_t) ((duk_hnatfunc *) h)->magic;
} else if (DUK_TVAL_IS_LIGHTFUNC(tv)) {
duk_small_uint_t lf_flags = DUK_TVAL_GET_LIGHTFUNC_FLAGS(tv);
return (duk_int_t) DUK_LFUNC_FLAGS_GET_MAGIC(lf_flags);
@@ -12934,16 +13792,45 @@ DUK_EXTERNAL duk_int_t duk_get_magic(duk_context *ctx, duk_idx_t index) {
return 0;
}
-DUK_EXTERNAL void duk_set_magic(duk_context *ctx, duk_idx_t index, duk_int_t magic) {
- duk_hnativefunction *nf;
+DUK_EXTERNAL void duk_set_magic(duk_context *ctx, duk_idx_t idx, duk_int_t magic) {
+ duk_hnatfunc *nf;
DUK_ASSERT_CTX_VALID(ctx);
- nf = duk_require_hnativefunction(ctx, index);
+ nf = duk_require_hnatfunc(ctx, idx);
DUK_ASSERT(nf != NULL);
nf->magic = (duk_int16_t) magic;
}
-#line 1 "duk_api_codec.c"
+
+/*
+ * Misc helpers
+ */
+
+DUK_INTERNAL void duk_resolve_nonbound_function(duk_context *ctx) {
+ duk_uint_t sanity;
+ duk_tval *tv;
+
+ sanity = DUK_HOBJECT_BOUND_CHAIN_SANITY;
+ do {
+ tv = DUK_GET_TVAL_NEGIDX(ctx, -1);
+ if (DUK_TVAL_IS_LIGHTFUNC(tv)) {
+ /* Lightweight function: never bound, so terminate. */
+ break;
+ } else if (DUK_TVAL_IS_OBJECT(tv)) {
+ duk_hobject *func;
+
+ func = DUK_TVAL_GET_OBJECT(tv);
+ DUK_ASSERT(func != NULL);
+ if (!DUK_HOBJECT_IS_CALLABLE(func) || !DUK_HOBJECT_HAS_BOUNDFUNC(func)) {
+ break;
+ }
+ duk_get_prop_stridx_short(ctx, -1, DUK_STRIDX_INT_TARGET);
+ duk_replace(ctx, -2);
+ } else {
+ break;
+ }
+ } while (--sanity > 0);
+}
/*
* Encoding and decoding basic formats: hex, base64.
*
@@ -12952,19 +13839,24 @@ DUK_EXTERNAL void duk_set_magic(duk_context *ctx, duk_idx_t index, duk_int_t mag
* Base-64: https://tools.ietf.org/html/rfc4648#section-4
*/
-/* include removed: duk_internal.h */
+/* #include duk_internal.h -> already included */
/* Shared handling for encode/decode argument. Fast path handling for
* buffer and string values because they're the most common. In particular,
* avoid creating a temporary string or buffer when possible.
*/
-DUK_LOCAL const duk_uint8_t *duk__prep_codec_arg(duk_context *ctx, duk_idx_t index, duk_size_t *out_len) {
- DUK_ASSERT(duk_is_valid_index(ctx, index)); /* checked by caller */
- if (duk_is_buffer(ctx, index)) {
- return (const duk_uint8_t *) duk_get_buffer(ctx, index, out_len);
- } else {
- return (const duk_uint8_t *) duk_to_lstring(ctx, index, out_len);
+DUK_LOCAL const duk_uint8_t *duk__prep_codec_arg(duk_context *ctx, duk_idx_t idx, duk_size_t *out_len) {
+ void *ptr;
+ duk_bool_t isbuffer;
+
+ DUK_ASSERT(duk_is_valid_index(ctx, idx)); /* checked by caller */
+
+ ptr = duk_get_buffer_data_raw(ctx, idx, out_len, 0 /*throw_flag*/, &isbuffer);
+ if (isbuffer) {
+ DUK_ASSERT(*out_len == 0 || ptr != NULL);
+ return (const duk_uint8_t *) ptr;
}
+ return (const duk_uint8_t *) duk_to_lstring(ctx, idx, out_len);
}
#if defined(DUK_USE_BASE64_FASTPATH)
@@ -13313,7 +14205,7 @@ DUK_LOCAL duk_bool_t duk__base64_decode_helper(const duk_uint8_t *src, duk_size_
}
#endif /* DUK_USE_BASE64_FASTPATH */
-DUK_EXTERNAL const char *duk_base64_encode(duk_context *ctx, duk_idx_t index) {
+DUK_EXTERNAL const char *duk_base64_encode(duk_context *ctx, duk_idx_t idx) {
duk_hthread *thr = (duk_hthread *) ctx;
const duk_uint8_t *src;
duk_size_t srclen;
@@ -13327,8 +14219,8 @@ DUK_EXTERNAL const char *duk_base64_encode(duk_context *ctx, duk_idx_t index) {
* which makes a copy of the input.
*/
- index = duk_require_normalize_index(ctx, index);
- src = duk__prep_codec_arg(ctx, index, &srclen);
+ idx = duk_require_normalize_index(ctx, idx);
+ src = duk__prep_codec_arg(ctx, idx, &srclen);
/* Note: for srclen=0, src may be NULL */
/* Computation must not wrap; this limit works for 32-bit size_t:
@@ -13340,12 +14232,12 @@ DUK_EXTERNAL const char *duk_base64_encode(duk_context *ctx, duk_idx_t index) {
goto type_error;
}
dstlen = (srclen + 2) / 3 * 4;
- dst = (duk_uint8_t *) duk_push_fixed_buffer(ctx, dstlen);
+ dst = (duk_uint8_t *) duk_push_fixed_buffer_nozero(ctx, dstlen);
duk__base64_encode_helper((const duk_uint8_t *) src, srclen, dst);
- ret = duk_to_string(ctx, -1);
- duk_replace(ctx, index);
+ ret = duk_buffer_to_string(ctx, -1); /* Safe, result is ASCII. */
+ duk_replace(ctx, idx);
return ret;
type_error:
@@ -13353,7 +14245,7 @@ DUK_EXTERNAL const char *duk_base64_encode(duk_context *ctx, duk_idx_t index) {
return NULL; /* never here */
}
-DUK_EXTERNAL void duk_base64_decode(duk_context *ctx, duk_idx_t index) {
+DUK_EXTERNAL void duk_base64_decode(duk_context *ctx, duk_idx_t idx) {
duk_hthread *thr = (duk_hthread *) ctx;
const duk_uint8_t *src;
duk_size_t srclen;
@@ -13368,8 +14260,8 @@ DUK_EXTERNAL void duk_base64_decode(duk_context *ctx, duk_idx_t index) {
* which causes an unnecessary interning.
*/
- index = duk_require_normalize_index(ctx, index);
- src = duk__prep_codec_arg(ctx, index, &srclen);
+ idx = duk_require_normalize_index(ctx, idx);
+ src = duk__prep_codec_arg(ctx, idx, &srclen);
/* Computation must not wrap, only srclen + 3 is at risk of
* wrapping because after that the number gets smaller.
@@ -13390,14 +14282,14 @@ DUK_EXTERNAL void duk_base64_decode(duk_context *ctx, duk_idx_t index) {
/* XXX: convert to fixed buffer? */
(void) duk_resize_buffer(ctx, -1, (duk_size_t) (dst_final - dst));
- duk_replace(ctx, index);
+ duk_replace(ctx, idx);
return;
type_error:
DUK_ERROR_TYPE(thr, DUK_STR_DECODE_FAILED);
}
-DUK_EXTERNAL const char *duk_hex_encode(duk_context *ctx, duk_idx_t index) {
+DUK_EXTERNAL const char *duk_hex_encode(duk_context *ctx, duk_idx_t idx) {
const duk_uint8_t *inp;
duk_size_t len;
duk_size_t i;
@@ -13410,12 +14302,12 @@ DUK_EXTERNAL const char *duk_hex_encode(duk_context *ctx, duk_idx_t index) {
DUK_ASSERT_CTX_VALID(ctx);
- index = duk_require_normalize_index(ctx, index);
- inp = duk__prep_codec_arg(ctx, index, &len);
+ idx = duk_require_normalize_index(ctx, idx);
+ inp = duk__prep_codec_arg(ctx, idx, &len);
DUK_ASSERT(inp != NULL || len == 0);
/* Fixed buffer, no zeroing because we'll fill all the data. */
- buf = (duk_uint8_t *) duk_push_buffer_raw(ctx, len * 2, DUK_BUF_FLAG_NOZERO /*flags*/);
+ buf = (duk_uint8_t *) duk_push_fixed_buffer_nozero(ctx, len * 2);
DUK_ASSERT(buf != NULL);
#if defined(DUK_USE_HEX_FASTPATH)
@@ -13448,12 +14340,12 @@ DUK_EXTERNAL const char *duk_hex_encode(duk_context *ctx, duk_idx_t index) {
* caller coerce to string if necessary?
*/
- ret = duk_to_string(ctx, -1);
- duk_replace(ctx, index);
+ ret = duk_buffer_to_string(ctx, -1); /* Safe, result is ASCII. */
+ duk_replace(ctx, idx);
return ret;
}
-DUK_EXTERNAL void duk_hex_decode(duk_context *ctx, duk_idx_t index) {
+DUK_EXTERNAL void duk_hex_decode(duk_context *ctx, duk_idx_t idx) {
duk_hthread *thr = (duk_hthread *) ctx;
const duk_uint8_t *inp;
duk_size_t len;
@@ -13468,8 +14360,8 @@ DUK_EXTERNAL void duk_hex_decode(duk_context *ctx, duk_idx_t index) {
DUK_ASSERT_CTX_VALID(ctx);
- index = duk_require_normalize_index(ctx, index);
- inp = duk__prep_codec_arg(ctx, index, &len);
+ idx = duk_require_normalize_index(ctx, idx);
+ inp = duk__prep_codec_arg(ctx, idx, &len);
DUK_ASSERT(inp != NULL || len == 0);
if (len & 0x01) {
@@ -13477,7 +14369,7 @@ DUK_EXTERNAL void duk_hex_decode(duk_context *ctx, duk_idx_t index) {
}
/* Fixed buffer, no zeroing because we'll fill all the data. */
- buf = (duk_uint8_t *) duk_push_buffer_raw(ctx, len / 2, DUK_BUF_FLAG_NOZERO /*flags*/);
+ buf = (duk_uint8_t *) duk_push_fixed_buffer_nozero(ctx, len / 2);
DUK_ASSERT(buf != NULL);
#if defined(DUK_USE_HEX_FASTPATH)
@@ -13530,64 +14422,75 @@ DUK_EXTERNAL void duk_hex_decode(duk_context *ctx, duk_idx_t index) {
}
#endif /* DUK_USE_HEX_FASTPATH */
- duk_replace(ctx, index);
+ duk_replace(ctx, idx);
return;
type_error:
DUK_ERROR_TYPE(thr, DUK_STR_DECODE_FAILED);
}
-DUK_EXTERNAL const char *duk_json_encode(duk_context *ctx, duk_idx_t index) {
-#ifdef DUK_USE_ASSERTIONS
+#if defined(DUK_USE_JSON_SUPPORT)
+DUK_EXTERNAL const char *duk_json_encode(duk_context *ctx, duk_idx_t idx) {
+#if defined(DUK_USE_ASSERTIONS)
duk_idx_t top_at_entry;
#endif
const char *ret;
DUK_ASSERT_CTX_VALID(ctx);
-#ifdef DUK_USE_ASSERTIONS
+#if defined(DUK_USE_ASSERTIONS)
top_at_entry = duk_get_top(ctx);
#endif
- index = duk_require_normalize_index(ctx, index);
+ idx = duk_require_normalize_index(ctx, idx);
duk_bi_json_stringify_helper(ctx,
- index /*idx_value*/,
+ idx /*idx_value*/,
DUK_INVALID_INDEX /*idx_replacer*/,
DUK_INVALID_INDEX /*idx_space*/,
0 /*flags*/);
DUK_ASSERT(duk_is_string(ctx, -1));
- duk_replace(ctx, index);
- ret = duk_get_string(ctx, index);
+ duk_replace(ctx, idx);
+ ret = duk_get_string(ctx, idx);
DUK_ASSERT(duk_get_top(ctx) == top_at_entry);
return ret;
}
-DUK_EXTERNAL void duk_json_decode(duk_context *ctx, duk_idx_t index) {
-#ifdef DUK_USE_ASSERTIONS
+DUK_EXTERNAL void duk_json_decode(duk_context *ctx, duk_idx_t idx) {
+#if defined(DUK_USE_ASSERTIONS)
duk_idx_t top_at_entry;
#endif
DUK_ASSERT_CTX_VALID(ctx);
-#ifdef DUK_USE_ASSERTIONS
+#if defined(DUK_USE_ASSERTIONS)
top_at_entry = duk_get_top(ctx);
#endif
- index = duk_require_normalize_index(ctx, index);
+ idx = duk_require_normalize_index(ctx, idx);
duk_bi_json_parse_helper(ctx,
- index /*idx_value*/,
+ idx /*idx_value*/,
DUK_INVALID_INDEX /*idx_reviver*/,
0 /*flags*/);
- duk_replace(ctx, index);
+ duk_replace(ctx, idx);
DUK_ASSERT(duk_get_top(ctx) == top_at_entry);
}
-#line 1 "duk_api_compile.c"
+#else /* DUK_USE_JSON_SUPPORT */
+DUK_EXTERNAL const char *duk_json_encode(duk_context *ctx, duk_idx_t idx) {
+ DUK_UNREF(idx);
+ DUK_ERROR_UNSUPPORTED((duk_hthread *) ctx);
+}
+
+DUK_EXTERNAL void duk_json_decode(duk_context *ctx, duk_idx_t idx) {
+ DUK_UNREF(idx);
+ DUK_ERROR_UNSUPPORTED((duk_hthread *) ctx);
+}
+#endif /* DUK_USE_JSON_SUPPORT */
/*
* Compilation and evaluation
*/
-/* include removed: duk_internal.h */
+/* #include duk_internal.h -> already included */
typedef struct duk__compile_raw_args duk__compile_raw_args;
struct duk__compile_raw_args {
@@ -13643,14 +14546,15 @@ DUK_EXTERNAL duk_int_t duk_eval_raw(duk_context *ctx, const char *src_buffer, du
}
/* Helper which can be called both directly and with duk_safe_call(). */
-DUK_LOCAL duk_ret_t duk__do_compile(duk_context *ctx) {
+DUK_LOCAL duk_ret_t duk__do_compile(duk_context *ctx, void *udata) {
duk_hthread *thr = (duk_hthread *) ctx;
duk__compile_raw_args *comp_args;
duk_uint_t flags;
duk_small_uint_t comp_flags;
- duk_hcompiledfunction *h_templ;
+ duk_hcompfunc *h_templ;
DUK_ASSERT_CTX_VALID(ctx);
+ DUK_ASSERT(udata != NULL);
/* Note: strictness is not inherited from the current Duktape/C
* context. Otherwise it would not be possible to compile
@@ -13659,13 +14563,10 @@ DUK_LOCAL duk_ret_t duk__do_compile(duk_context *ctx) {
* for discussion.
*/
- /* [ ... source? filename? &comp_args ] (depends on flags) */
+ /* [ ... source? filename? ] (depends on flags) */
- comp_args = (duk__compile_raw_args *) duk_require_pointer(ctx, -1);
+ comp_args = (duk__compile_raw_args *) udata;
flags = comp_args->flags;
- duk_pop(ctx);
-
- /* [ ... source? filename? ] */
if (flags & DUK_COMPILE_NOFILENAME) {
/* Automatic filename: 'eval' or 'input'. */
@@ -13680,11 +14581,7 @@ DUK_LOCAL duk_ret_t duk__do_compile(duk_context *ctx) {
h_sourcecode = duk_get_hstring(ctx, -2);
if ((flags & DUK_COMPILE_NOSOURCE) || /* args incorrect */
(h_sourcecode == NULL)) { /* e.g. duk_push_string_file_raw() pushed undefined */
- /* XXX: when this error is caused by a nonexistent
- * file given to duk_peval_file() or similar, the
- * error message is not the best possible.
- */
- DUK_ERROR_API(thr, DUK_STR_NO_SOURCECODE);
+ DUK_ERROR_TYPE(thr, DUK_STR_NO_SOURCECODE);
}
DUK_ASSERT(h_sourcecode != NULL);
comp_args->src_buffer = (const duk_uint8_t *) DUK_HSTRING_GET_DATA(h_sourcecode);
@@ -13714,19 +14611,18 @@ DUK_LOCAL duk_ret_t duk__do_compile(duk_context *ctx) {
if (flags & DUK_COMPILE_NOSOURCE) {
;
} else {
- duk_remove(ctx, -2);
+ duk_remove_m2(ctx);
}
/* [ ... func_template ] */
- h_templ = (duk_hcompiledfunction *) duk_get_hobject(ctx, -1);
- DUK_ASSERT(h_templ != NULL);
+ h_templ = (duk_hcompfunc *) duk_known_hobject(ctx, -1);
duk_js_push_closure(thr,
h_templ,
thr->builtins[DUK_BIDX_GLOBAL_ENV],
thr->builtins[DUK_BIDX_GLOBAL_ENV],
1 /*add_auto_proto*/);
- duk_remove(ctx, -2); /* -> [ ... closure ] */
+ duk_remove_m2(ctx); /* -> [ ... closure ] */
/* [ ... closure ] */
@@ -13749,9 +14645,8 @@ DUK_EXTERNAL duk_int_t duk_compile_raw(duk_context *ctx, const char *src_buffer,
comp_args->src_buffer = (const duk_uint8_t *) src_buffer;
comp_args->src_length = src_length;
comp_args->flags = flags;
- duk_push_pointer(ctx, (void *) comp_args);
- /* [ ... source? filename? &comp_args ] (depends on flags) */
+ /* [ ... source? filename? ] (depends on flags) */
if (flags & DUK_COMPILE_SAFE) {
duk_int_t rc;
@@ -13763,27 +14658,26 @@ DUK_EXTERNAL duk_int_t duk_compile_raw(duk_context *ctx, const char *src_buffer,
* directly into flags.
*/
nargs = flags & 0x07;
- DUK_ASSERT(nargs == (1 +
- ((flags & DUK_COMPILE_NOSOURCE) ? 0 : 1) +
- ((flags & DUK_COMPILE_NOFILENAME) ? 0 : 1)));
- rc = duk_safe_call(ctx, duk__do_compile, nargs, nrets);
+ DUK_ASSERT(nargs == ((flags & DUK_COMPILE_NOSOURCE) ? 0 : 1) +
+ ((flags & DUK_COMPILE_NOFILENAME) ? 0 : 1));
+ rc = duk_safe_call(ctx, duk__do_compile, (void *) comp_args, nargs, nrets);
/* [ ... closure ] */
return rc;
}
- (void) duk__do_compile(ctx);
+ (void) duk__do_compile(ctx, (void *) comp_args);
/* [ ... closure ] */
return DUK_EXEC_SUCCESS;
}
-#line 1 "duk_api_debug.c"
/*
* Debugging related API calls
*/
-/* include removed: duk_internal.h */
+/* #include duk_internal.h -> already included */
+#if defined(DUK_USE_JSON_SUPPORT)
DUK_EXTERNAL void duk_push_context_dump(duk_context *ctx) {
duk_idx_t idx;
duk_idx_t top;
@@ -13817,18 +14711,23 @@ DUK_EXTERNAL void duk_push_context_dump(duk_context *ctx) {
duk_pop(ctx);
DUK_ASSERT(duk_is_string(ctx, -1));
}
+#else /* DUK_USE_JSON_SUPPORT */
+DUK_EXTERNAL void duk_push_context_dump(duk_context *ctx) {
+ DUK_ERROR_UNSUPPORTED((duk_hthread *) ctx);
+}
+#endif /* DUK_USE_JSON_SUPPORT */
#if defined(DUK_USE_DEBUGGER_SUPPORT)
-DUK_EXTERNAL void duk_debugger_attach_custom(duk_context *ctx,
- duk_debug_read_function read_cb,
- duk_debug_write_function write_cb,
- duk_debug_peek_function peek_cb,
- duk_debug_read_flush_function read_flush_cb,
- duk_debug_write_flush_function write_flush_cb,
- duk_debug_request_function request_cb,
- duk_debug_detached_function detached_cb,
- void *udata) {
+DUK_EXTERNAL void duk_debugger_attach(duk_context *ctx,
+ duk_debug_read_function read_cb,
+ duk_debug_write_function write_cb,
+ duk_debug_peek_function peek_cb,
+ duk_debug_read_flush_function read_flush_cb,
+ duk_debug_write_flush_function write_flush_cb,
+ duk_debug_request_function request_cb,
+ duk_debug_detached_function detached_cb,
+ void *udata) {
duk_hthread *thr = (duk_hthread *) ctx;
duk_heap *heap;
const char *str;
@@ -13858,7 +14757,7 @@ DUK_EXTERNAL void duk_debugger_attach_custom(duk_context *ctx,
/* Start in paused state. */
heap->dbg_processing = 0;
- heap->dbg_paused = 1;
+ DUK_HEAP_SET_DEBUGGER_PAUSED(heap);
heap->dbg_state_dirty = 1;
heap->dbg_force_restart = 0;
heap->dbg_step_type = 0;
@@ -13937,7 +14836,7 @@ DUK_EXTERNAL duk_bool_t duk_debugger_notify(duk_context *ctx, duk_idx_t nvalues)
top = duk_get_top(ctx);
if (top < nvalues) {
- DUK_ERROR_API(thr, "not enough stack values for notify");
+ DUK_ERROR_RANGE(thr, "not enough stack values for notify");
return ret; /* unreachable */
}
if (DUK_HEAP_IS_DEBUGGER_ATTACHED(thr->heap)) {
@@ -13986,15 +14885,15 @@ DUK_EXTERNAL void duk_debugger_pause(duk_context *ctx) {
#else /* DUK_USE_DEBUGGER_SUPPORT */
-DUK_EXTERNAL void duk_debugger_attach_custom(duk_context *ctx,
- duk_debug_read_function read_cb,
- duk_debug_write_function write_cb,
- duk_debug_peek_function peek_cb,
- duk_debug_read_flush_function read_flush_cb,
- duk_debug_write_flush_function write_flush_cb,
- duk_debug_request_function request_cb,
- duk_debug_detached_function detached_cb,
- void *udata) {
+DUK_EXTERNAL void duk_debugger_attach(duk_context *ctx,
+ duk_debug_read_function read_cb,
+ duk_debug_write_function write_cb,
+ duk_debug_peek_function peek_cb,
+ duk_debug_read_flush_function read_flush_cb,
+ duk_debug_write_flush_function write_flush_cb,
+ duk_debug_request_function request_cb,
+ duk_debug_detached_function detached_cb,
+ void *udata) {
DUK_ASSERT_CTX_VALID(ctx);
DUK_UNREF(read_cb);
DUK_UNREF(write_cb);
@@ -14004,12 +14903,12 @@ DUK_EXTERNAL void duk_debugger_attach_custom(duk_context *ctx,
DUK_UNREF(request_cb);
DUK_UNREF(detached_cb);
DUK_UNREF(udata);
- DUK_ERROR_API((duk_hthread *) ctx, "no debugger support");
+ DUK_ERROR_TYPE((duk_hthread *) ctx, "no debugger support");
}
DUK_EXTERNAL void duk_debugger_detach(duk_context *ctx) {
DUK_ASSERT_CTX_VALID(ctx);
- DUK_ERROR_API((duk_hthread *) ctx, "no debugger support");
+ DUK_ERROR_TYPE((duk_hthread *) ctx, "no debugger support");
}
DUK_EXTERNAL void duk_debugger_cooperate(duk_context *ctx) {
@@ -14025,7 +14924,7 @@ DUK_EXTERNAL duk_bool_t duk_debugger_notify(duk_context *ctx, duk_idx_t nvalues)
top = duk_get_top(ctx);
if (top < nvalues) {
- DUK_ERROR_API((duk_hthread *) ctx, "not enough stack values for notify");
+ DUK_ERROR_RANGE_INVALID_COUNT((duk_hthread *) ctx);
return 0; /* unreachable */
}
@@ -14041,12 +14940,11 @@ DUK_EXTERNAL void duk_debugger_pause(duk_context *ctx) {
}
#endif /* DUK_USE_DEBUGGER_SUPPORT */
-#line 1 "duk_api_heap.c"
/*
* Heap creation and destruction
*/
-/* include removed: duk_internal.h */
+/* #include duk_internal.h -> already included */
typedef struct duk_internal_thread_state duk_internal_thread_state;
@@ -14205,24 +15103,19 @@ DUK_EXTERNAL void duk_set_global_object(duk_context *ctx) {
* same (initial) built-ins.
*/
- (void) duk_push_object_helper(ctx,
- DUK_HOBJECT_FLAG_EXTENSIBLE |
- DUK_HOBJECT_CLASS_AS_FLAGS(DUK_HOBJECT_CLASS_OBJENV),
- -1); /* no prototype, updated below */
-
- duk_dup(ctx, -2);
- duk_dup(ctx, -3);
-
- /* [ ... new_glob new_env new_glob new_glob ] */
+ h_env = duk_push_object_helper(ctx,
+ DUK_HOBJECT_FLAG_EXTENSIBLE |
+ DUK_HOBJECT_CLASS_AS_FLAGS(DUK_HOBJECT_CLASS_OBJENV),
+ -1); /* no prototype, updated below */
+ DUK_ASSERT(h_env != NULL);
- duk_xdef_prop_stridx(thr, -3, DUK_STRIDX_INT_TARGET, DUK_PROPDESC_FLAGS_NONE);
- duk_xdef_prop_stridx(thr, -2, DUK_STRIDX_INT_THIS, DUK_PROPDESC_FLAGS_NONE);
+ duk_dup_m2(ctx);
+ duk_dup_m3(ctx);
+ duk_xdef_prop_stridx_short(thr, -3, DUK_STRIDX_INT_TARGET, DUK_PROPDESC_FLAGS_NONE);
+ duk_xdef_prop_stridx_short(thr, -2, DUK_STRIDX_INT_THIS, DUK_PROPDESC_FLAGS_NONE);
/* [ ... new_glob new_env ] */
- h_env = duk_get_hobject(ctx, -1);
- DUK_ASSERT(h_env != NULL);
-
h_prev_env = thr->builtins[DUK_BIDX_GLOBAL_ENV];
thr->builtins[DUK_BIDX_GLOBAL_ENV] = h_env;
DUK_HOBJECT_INCREF(thr, h_env);
@@ -14236,65 +15129,257 @@ DUK_EXTERNAL void duk_set_global_object(duk_context *ctx) {
/* [ ... ] */
}
-#line 1 "duk_api_logging.c"
/*
- * Logging
- *
- * Current logging primitive is a sprintf-style log which is convenient
- * for most C code. Another useful primitive would be to log N arguments
- * from value stack (like the Ecmascript binding does).
+ * Inspection
*/
-/* include removed: duk_internal.h */
+/* #include duk_internal.h -> already included */
-DUK_EXTERNAL void duk_log_va(duk_context *ctx, duk_int_t level, const char *fmt, va_list ap) {
- /* stridx_logfunc[] must be static to allow initializer with old compilers like BCC */
- static const duk_uint16_t stridx_logfunc[6] = {
- DUK_STRIDX_LC_TRACE, DUK_STRIDX_LC_DEBUG, DUK_STRIDX_LC_INFO,
- DUK_STRIDX_LC_WARN, DUK_STRIDX_LC_ERROR, DUK_STRIDX_LC_FATAL
- };
+/* For footprint efficient multiple value setting: arrays are much better than
+ * varargs, format string with parsing is often better than string pointer arrays.
+ */
+DUK_LOCAL void duk__inspect_multiple_uint(duk_context *ctx, const char *fmt, duk_int_t *vals) {
+ duk_int_t val;
+ const char *p;
+ const char *p_curr;
+ duk_size_t len;
- DUK_ASSERT_CTX_VALID(ctx);
+ for (p = fmt;;) {
+ len = DUK_STRLEN(p);
+ p_curr = p;
+ p += len + 1;
+ if (len == 0) {
+ /* Double NUL (= empty key) terminates. */
+ break;
+ }
+ val = *vals++;
+ if (val >= 0) {
+ /* Negative values are markers to skip key. */
+ duk_push_string(ctx, p_curr);
+ duk_push_uint(ctx, val);
+ duk_put_prop(ctx, -3);
+ }
+ }
+}
+
+/* Raw helper to extract internal information / statistics about a value.
+ * The return value is an object with properties that are version specific.
+ * The properties must not expose anything that would lead to security
+ * issues (e.g. exposing compiled function 'data' buffer might be an issue).
+ * Currently only counts and sizes and such are given so there shouldn't
+ * be security implications.
+ */
+
+#define DUK__IDX_TYPE 0
+#define DUK__IDX_ITAG 1
+#define DUK__IDX_REFC 2
+#define DUK__IDX_HBYTES 3
+#define DUK__IDX_CLASS 4
+#define DUK__IDX_PBYTES 5
+#define DUK__IDX_ESIZE 6
+#define DUK__IDX_ENEXT 7
+#define DUK__IDX_ASIZE 8
+#define DUK__IDX_HSIZE 9
+#define DUK__IDX_BCBYTES 10
+#define DUK__IDX_DBYTES 11
+#define DUK__IDX_TSTATE 12
+#define DUK__IDX_VARIANT 13
+
+DUK_EXTERNAL void duk_inspect_value(duk_context *ctx, duk_idx_t idx) {
+ duk_hthread *thr = (duk_hthread *) ctx;
+ duk_tval *tv;
+ duk_heaphdr *h;
+ /* The temporary values should be in an array rather than individual
+ * variables which (in practice) ensures that the compiler won't map
+ * them to registers and emit a lot of unnecessary shuffling code.
+ */
+ duk_int_t vals[14];
+
+ DUK_UNREF(thr);
+
+ tv = duk_get_tval_or_unused(ctx, idx);
+ h = (DUK_TVAL_IS_HEAP_ALLOCATED(tv) ? DUK_TVAL_GET_HEAPHDR(tv) : NULL);
+
+ /* Assume two's complement and set everything to -1. */
+ DUK_MEMSET((void *) &vals, (int) 0xff, sizeof(vals));
+ DUK_ASSERT(vals[DUK__IDX_TYPE] == -1); /* spot check one */
+
+ duk_push_bare_object(ctx);
- if (level < 0) {
- level = 0;
- } else if (level > (int) (sizeof(stridx_logfunc) / sizeof(duk_uint16_t)) - 1) {
- level = (int) (sizeof(stridx_logfunc) / sizeof(duk_uint16_t)) - 1;
+ vals[DUK__IDX_TYPE] = duk_get_type_tval(tv);
+ vals[DUK__IDX_ITAG] = (duk_uint_t) DUK_TVAL_GET_TAG(tv);
+
+ if (h == NULL) {
+ goto finish;
}
+ duk_push_pointer(ctx, (void *) h);
+ duk_put_prop_string(ctx, -2, "hptr");
- duk_push_hobject_bidx(ctx, DUK_BIDX_LOGGER_CONSTRUCTOR);
- duk_get_prop_stridx(ctx, -1, DUK_STRIDX_CLOG);
- duk_get_prop_stridx(ctx, -1, stridx_logfunc[level]);
- duk_dup(ctx, -2);
+#if 0
+ /* Covers a lot of information, e.g. buffer and string variants. */
+ duk_push_uint(ctx, (duk_uint_t) DUK_HEAPHDR_GET_FLAGS(h));
+ duk_put_prop_string(ctx, -2, "hflags");
+#endif
+
+#if defined(DUK_USE_REFERENCE_COUNTING)
+ vals[DUK__IDX_REFC] = (duk_int_t) DUK_HEAPHDR_GET_REFCOUNT(h);
+#endif
+ vals[DUK__IDX_VARIANT] = 0;
+
+ /* Heaphdr size and additional allocation size, followed by
+ * type specific stuff (with varying value count).
+ */
+ switch ((duk_small_int_t) DUK_HEAPHDR_GET_TYPE(h)) {
+ case DUK_HTYPE_STRING: {
+ duk_hstring *h_str = (duk_hstring *) h;
+ vals[DUK__IDX_HBYTES] = (duk_int_t) (sizeof(duk_hstring) + DUK_HSTRING_GET_BYTELEN(h_str) + 1);
+#if defined(DUK_USE_HSTRING_EXTDATA)
+ if (DUK_HSTRING_HAS_EXTDATA(h_str)) {
+ vals[DUK__IDX_VARIANT] = 1;
+ }
+#endif
+ break;
+ }
+ case DUK_HTYPE_OBJECT: {
+ duk_hobject *h_obj = (duk_hobject *) h;
- /* [ ... Logger clog logfunc clog ] */
+ /* XXX: variants here are maybe pointless; class is enough? */
+ if (DUK_HOBJECT_IS_ARRAY(h_obj)) {
+ vals[DUK__IDX_HBYTES] = sizeof(duk_harray);
+ } else if (DUK_HOBJECT_IS_COMPFUNC(h_obj)) {
+ vals[DUK__IDX_HBYTES] = sizeof(duk_hcompfunc);
+ } else if (DUK_HOBJECT_IS_NATFUNC(h_obj)) {
+ vals[DUK__IDX_HBYTES] = sizeof(duk_hnatfunc);
+ } else if (DUK_HOBJECT_IS_THREAD(h_obj)) {
+ vals[DUK__IDX_HBYTES] = sizeof(duk_hthread);
+ vals[DUK__IDX_TSTATE] = ((duk_hthread *) h_obj)->state;
+#if defined(DUK_USE_BUFFEROBJECT_SUPPORT)
+ } else if (DUK_HOBJECT_IS_BUFOBJ(h_obj)) {
+ vals[DUK__IDX_HBYTES] = sizeof(duk_hbufobj);
+ /* XXX: some size information */
+#endif
+ } else {
+ vals[DUK__IDX_HBYTES] = (duk_small_uint_t) sizeof(duk_hobject);
+ }
- duk_push_vsprintf(ctx, fmt, ap);
+ vals[DUK__IDX_CLASS] = (duk_int_t) DUK_HOBJECT_GET_CLASS_NUMBER(h_obj);
+ vals[DUK__IDX_PBYTES] = (duk_int_t) DUK_HOBJECT_P_ALLOC_SIZE(h_obj),
+ vals[DUK__IDX_ESIZE] = (duk_int_t) DUK_HOBJECT_GET_ESIZE(h_obj);
+ vals[DUK__IDX_ENEXT] = (duk_int_t) DUK_HOBJECT_GET_ENEXT(h_obj);
+ vals[DUK__IDX_ASIZE] = (duk_int_t) DUK_HOBJECT_GET_ASIZE(h_obj);
+ vals[DUK__IDX_HSIZE] = (duk_int_t) DUK_HOBJECT_GET_HSIZE(h_obj);
- /* [ ... Logger clog logfunc clog(=this) msg ] */
+ /* Note: e_next indicates the number of gc-reachable entries
+ * in the entry part, and also indicates the index where the
+ * next new property would be inserted. It does *not* indicate
+ * the number of non-NULL keys present in the object. That
+ * value could be counted separately but requires a pass through
+ * the key list.
+ */
- duk_call_method(ctx, 1 /*nargs*/);
+ if (DUK_HOBJECT_IS_COMPFUNC(h_obj)) {
+ duk_hbuffer *h_data = (duk_hbuffer *) DUK_HCOMPFUNC_GET_DATA(thr->heap, (duk_hcompfunc *) h_obj);
+ vals[DUK__IDX_BCBYTES] = (duk_int_t) (h_data ? DUK_HBUFFER_GET_SIZE(h_data) : 0);
+ }
+ break;
+ }
+ case DUK_HTYPE_BUFFER: {
+ duk_hbuffer *h_buf = (duk_hbuffer *) h;
- /* [ ... Logger clog res ] */
+ if (DUK_HBUFFER_HAS_DYNAMIC(h_buf)) {
+ if (DUK_HBUFFER_HAS_EXTERNAL(h_buf)) {
+ vals[DUK__IDX_VARIANT] = 2; /* buffer variant 2: external */
+ vals[DUK__IDX_HBYTES] = (duk_uint_t) (sizeof(duk_hbuffer_external));
+ } else {
+ /* When alloc_size == 0 the second allocation may not
+ * actually exist.
+ */
+ vals[DUK__IDX_VARIANT] = 1; /* buffer variant 1: dynamic */
+ vals[DUK__IDX_HBYTES] = (duk_uint_t) (sizeof(duk_hbuffer_dynamic));
+ }
+ vals[DUK__IDX_DBYTES] = (duk_uint_t) (DUK_HBUFFER_GET_SIZE(h_buf));
+ } else {
+ DUK_ASSERT(vals[DUK__IDX_VARIANT] == 0); /* buffer variant 0: fixed */
+ vals[DUK__IDX_HBYTES] = (duk_uint_t) (sizeof(duk_hbuffer_fixed) + DUK_HBUFFER_GET_SIZE(h_buf));
+ }
+ break;
+ }
+ }
- duk_pop_3(ctx);
+ finish:
+ duk__inspect_multiple_uint(ctx,
+ "type" "\x00" "itag" "\x00" "refc" "\x00" "hbytes" "\x00" "class" "\x00"
+ "pbytes" "\x00" "esize" "\x00" "enext" "\x00" "asize" "\x00" "hsize" "\x00"
+ "bcbytes" "\x00" "dbytes" "\x00" "tstate" "\x00" "variant" "\x00" "\x00",
+ (duk_int_t *) &vals);
}
-DUK_EXTERNAL void duk_log(duk_context *ctx, duk_int_t level, const char *fmt, ...) {
- va_list ap;
+DUK_EXTERNAL void duk_inspect_callstack_entry(duk_context *ctx, duk_int_t level) {
+ duk_hthread *thr = (duk_hthread *) ctx;
+ duk_activation *act;
+ duk_uint_fast32_t pc;
+ duk_uint_fast32_t line;
DUK_ASSERT_CTX_VALID(ctx);
- va_start(ap, fmt);
- duk_log_va(ctx, level, fmt, ap);
- va_end(ap);
+ /* -1 = top callstack entry, callstack[callstack_top - 1]
+ * -callstack_top = bottom callstack entry, callstack[0]
+ */
+ if (level >= 0 || -level > (duk_int_t) thr->callstack_top) {
+ duk_push_undefined(ctx);
+ return;
+ }
+ duk_push_bare_object(ctx);
+ DUK_ASSERT(level >= -((duk_int_t) thr->callstack_top) && level <= -1);
+
+ act = thr->callstack + thr->callstack_top + level;
+ /* Relevant PC is just before current one because PC is
+ * post-incremented. This should match what error augment
+ * code does.
+ */
+ pc = duk_hthread_get_act_prev_pc(thr, act);
+
+ duk_push_tval(ctx, &act->tv_func);
+
+ duk_push_uint(ctx, (duk_uint_t) pc);
+ duk_put_prop_stridx_short(ctx, -3, DUK_STRIDX_PC);
+
+#if defined(DUK_USE_PC2LINE)
+ line = duk_hobject_pc2line_query(ctx, -1, pc);
+#else
+ line = 0;
+#endif
+ duk_push_uint(ctx, (duk_uint_t) line);
+ duk_put_prop_stridx_short(ctx, -3, DUK_STRIDX_LINE_NUMBER);
+
+ duk_put_prop_stridx_short(ctx, -2, DUK_STRIDX_LC_FUNCTION);
+ /* Providing access to e.g. act->lex_env would be dangerous: these
+ * internal structures must never be accessible to the application.
+ * Duktape relies on them having consistent data, and this consistency
+ * is only asserted for, not checked for.
+ */
}
-#line 1 "duk_api_memory.c"
+
+/* automatic undefs */
+#undef DUK__IDX_ASIZE
+#undef DUK__IDX_BCBYTES
+#undef DUK__IDX_CLASS
+#undef DUK__IDX_DBYTES
+#undef DUK__IDX_ENEXT
+#undef DUK__IDX_ESIZE
+#undef DUK__IDX_HBYTES
+#undef DUK__IDX_HSIZE
+#undef DUK__IDX_ITAG
+#undef DUK__IDX_PBYTES
+#undef DUK__IDX_REFC
+#undef DUK__IDX_TSTATE
+#undef DUK__IDX_TYPE
+#undef DUK__IDX_VARIANT
/*
* Memory calls.
*/
-/* include removed: duk_internal.h */
+/* #include duk_internal.h -> already included */
DUK_EXTERNAL void *duk_alloc_raw(duk_context *ctx, duk_size_t size) {
duk_hthread *thr = (duk_hthread *) ctx;
@@ -14371,34 +15456,24 @@ DUK_EXTERNAL void duk_get_memory_functions(duk_context *ctx, duk_memory_function
}
DUK_EXTERNAL void duk_gc(duk_context *ctx, duk_uint_t flags) {
-#ifdef DUK_USE_MARK_AND_SWEEP
duk_hthread *thr = (duk_hthread *) ctx;
duk_heap *heap;
+ duk_small_uint_t ms_flags;
- DUK_UNREF(flags);
-
- /* NULL accepted */
- if (!ctx) {
- return;
- }
DUK_ASSERT_CTX_VALID(ctx);
heap = thr->heap;
DUK_ASSERT(heap != NULL);
DUK_D(DUK_DPRINT("mark-and-sweep requested by application"));
- duk_heap_mark_and_sweep(heap, 0);
-#else
- DUK_D(DUK_DPRINT("mark-and-sweep requested by application but mark-and-sweep not enabled, ignoring"));
- DUK_UNREF(ctx);
- DUK_UNREF(flags);
-#endif
+ DUK_ASSERT(DUK_GC_COMPACT == DUK_MS_FLAG_EMERGENCY); /* Compact flag is 1:1 with emergency flag which forces compaction. */
+ ms_flags = (duk_small_uint_t) flags;
+ duk_heap_mark_and_sweep(heap, ms_flags);
}
-#line 1 "duk_api_object.c"
/*
* Object handling: property access and other support functions.
*/
-/* include removed: duk_internal.h */
+/* #include duk_internal.h -> already included */
/*
* Property handling
@@ -14408,7 +15483,7 @@ DUK_EXTERNAL void duk_gc(duk_context *ctx, duk_uint_t flags) {
* defineProperty, getOwnPropertyDescriptor).
*/
-DUK_EXTERNAL duk_bool_t duk_get_prop(duk_context *ctx, duk_idx_t obj_index) {
+DUK_EXTERNAL duk_bool_t duk_get_prop(duk_context *ctx, duk_idx_t obj_idx) {
duk_hthread *thr = (duk_hthread *) ctx;
duk_tval *tv_obj;
duk_tval *tv_key;
@@ -14420,55 +15495,67 @@ DUK_EXTERNAL duk_bool_t duk_get_prop(duk_context *ctx, duk_idx_t obj_index) {
* resize is not necessary for a property get right now.
*/
- tv_obj = duk_require_tval(ctx, obj_index);
+ tv_obj = duk_require_tval(ctx, obj_idx);
tv_key = duk_require_tval(ctx, -1);
rc = duk_hobject_getprop(thr, tv_obj, tv_key);
DUK_ASSERT(rc == 0 || rc == 1);
/* a value is left on stack regardless of rc */
- duk_remove(ctx, -2); /* remove key */
+ duk_remove_m2(ctx); /* remove key */
return rc; /* 1 if property found, 0 otherwise */
}
-DUK_EXTERNAL duk_bool_t duk_get_prop_string(duk_context *ctx, duk_idx_t obj_index, const char *key) {
+DUK_EXTERNAL duk_bool_t duk_get_prop_string(duk_context *ctx, duk_idx_t obj_idx, const char *key) {
DUK_ASSERT_CTX_VALID(ctx);
DUK_ASSERT(key != NULL);
- obj_index = duk_require_normalize_index(ctx, obj_index);
+ obj_idx = duk_require_normalize_index(ctx, obj_idx);
duk_push_string(ctx, key);
- return duk_get_prop(ctx, obj_index);
+ return duk_get_prop(ctx, obj_idx);
+}
+
+DUK_EXTERNAL duk_bool_t duk_get_prop_lstring(duk_context *ctx, duk_idx_t obj_idx, const char *key, duk_size_t key_len) {
+ DUK_ASSERT_CTX_VALID(ctx);
+ DUK_ASSERT(key != NULL);
+
+ obj_idx = duk_require_normalize_index(ctx, obj_idx);
+ duk_push_lstring(ctx, key, key_len);
+ return duk_get_prop(ctx, obj_idx);
}
-DUK_EXTERNAL duk_bool_t duk_get_prop_index(duk_context *ctx, duk_idx_t obj_index, duk_uarridx_t arr_index) {
+DUK_EXTERNAL duk_bool_t duk_get_prop_index(duk_context *ctx, duk_idx_t obj_idx, duk_uarridx_t arr_idx) {
DUK_ASSERT_CTX_VALID(ctx);
- obj_index = duk_require_normalize_index(ctx, obj_index);
- duk_push_uarridx(ctx, arr_index);
- return duk_get_prop(ctx, obj_index);
+ obj_idx = duk_require_normalize_index(ctx, obj_idx);
+ duk_push_uarridx(ctx, arr_idx);
+ return duk_get_prop(ctx, obj_idx);
}
-DUK_INTERNAL duk_bool_t duk_get_prop_stridx(duk_context *ctx, duk_idx_t obj_index, duk_small_int_t stridx) {
+DUK_INTERNAL duk_bool_t duk_get_prop_stridx(duk_context *ctx, duk_idx_t obj_idx, duk_small_uint_t stridx) {
duk_hthread *thr = (duk_hthread *) ctx;
DUK_ASSERT_CTX_VALID(ctx);
- DUK_ASSERT_DISABLE(stridx >= 0);
- DUK_ASSERT(stridx < DUK_HEAP_NUM_STRINGS);
+ DUK_ASSERT_STRIDX_VALID(stridx);
DUK_UNREF(thr);
- obj_index = duk_require_normalize_index(ctx, obj_index);
+ obj_idx = duk_require_normalize_index(ctx, obj_idx);
duk_push_hstring(ctx, DUK_HTHREAD_GET_STRING(thr, stridx));
- return duk_get_prop(ctx, obj_index);
+ return duk_get_prop(ctx, obj_idx);
+}
+
+DUK_INTERNAL duk_bool_t duk_get_prop_stridx_short_raw(duk_context *ctx, duk_uint_t packed_args) {
+ return duk_get_prop_stridx(ctx, (duk_idx_t) (duk_int16_t) (packed_args >> 16),
+ (duk_small_uint_t) (packed_args & 0xffffUL));
}
-DUK_INTERNAL duk_bool_t duk_get_prop_stridx_boolean(duk_context *ctx, duk_idx_t obj_index, duk_small_int_t stridx, duk_bool_t *out_has_prop) {
+DUK_INTERNAL duk_bool_t duk_get_prop_stridx_boolean(duk_context *ctx, duk_idx_t obj_idx, duk_small_uint_t stridx, duk_bool_t *out_has_prop) {
duk_bool_t rc;
DUK_ASSERT_CTX_VALID(ctx);
- DUK_ASSERT_DISABLE(stridx >= 0);
- DUK_ASSERT(stridx < DUK_HEAP_NUM_STRINGS);
+ DUK_ASSERT_STRIDX_VALID(stridx);
- rc = duk_get_prop_stridx(ctx, obj_index, stridx);
+ rc = duk_get_prop_stridx(ctx, obj_idx, stridx);
if (out_has_prop) {
*out_has_prop = rc;
}
@@ -14496,6 +15583,7 @@ DUK_LOCAL duk_bool_t duk__put_prop_shared(duk_context *ctx, duk_idx_t obj_idx, d
*/
DUK_ASSERT((idx_key == -2 && (idx_key ^ 1) == -1) ||
(idx_key == -1 && (idx_key ^ 1) == -2));
+ /* XXX: Direct access; faster validation. */
tv_obj = duk_require_tval(ctx, obj_idx);
tv_key = duk_require_tval(ctx, idx_key);
tv_val = duk_require_tval(ctx, idx_key ^ 1);
@@ -14526,6 +15614,15 @@ DUK_EXTERNAL duk_bool_t duk_put_prop_string(duk_context *ctx, duk_idx_t obj_idx,
return duk__put_prop_shared(ctx, obj_idx, -1);
}
+DUK_EXTERNAL duk_bool_t duk_put_prop_lstring(duk_context *ctx, duk_idx_t obj_idx, const char *key, duk_size_t key_len) {
+ DUK_ASSERT_CTX_VALID(ctx);
+ DUK_ASSERT(key != NULL);
+
+ obj_idx = duk_normalize_index(ctx, obj_idx);
+ (void) duk_push_lstring(ctx, key, key_len);
+ return duk__put_prop_shared(ctx, obj_idx, -1);
+}
+
DUK_EXTERNAL duk_bool_t duk_put_prop_index(duk_context *ctx, duk_idx_t obj_idx, duk_uarridx_t arr_idx) {
DUK_ASSERT_CTX_VALID(ctx);
@@ -14534,12 +15631,11 @@ DUK_EXTERNAL duk_bool_t duk_put_prop_index(duk_context *ctx, duk_idx_t obj_idx,
return duk__put_prop_shared(ctx, obj_idx, -1);
}
-DUK_INTERNAL duk_bool_t duk_put_prop_stridx(duk_context *ctx, duk_idx_t obj_idx, duk_small_int_t stridx) {
+DUK_INTERNAL duk_bool_t duk_put_prop_stridx(duk_context *ctx, duk_idx_t obj_idx, duk_small_uint_t stridx) {
duk_hthread *thr = (duk_hthread *) ctx;
DUK_ASSERT_CTX_VALID(ctx);
- DUK_ASSERT_DISABLE(stridx >= 0);
- DUK_ASSERT(stridx < DUK_HEAP_NUM_STRINGS);
+ DUK_ASSERT_STRIDX_VALID(stridx);
DUK_UNREF(thr);
obj_idx = duk_require_normalize_index(ctx, obj_idx);
@@ -14547,7 +15643,12 @@ DUK_INTERNAL duk_bool_t duk_put_prop_stridx(duk_context *ctx, duk_idx_t obj_idx,
return duk__put_prop_shared(ctx, obj_idx, -1);
}
-DUK_EXTERNAL duk_bool_t duk_del_prop(duk_context *ctx, duk_idx_t obj_index) {
+DUK_INTERNAL duk_bool_t duk_put_prop_stridx_short_raw(duk_context *ctx, duk_uint_t packed_args) {
+ return duk_put_prop_stridx(ctx, (duk_idx_t) (duk_int16_t) (packed_args >> 16),
+ (duk_small_uint_t) (packed_args & 0xffffUL));
+}
+
+DUK_EXTERNAL duk_bool_t duk_del_prop(duk_context *ctx, duk_idx_t obj_idx) {
duk_hthread *thr = (duk_hthread *) ctx;
duk_tval *tv_obj;
duk_tval *tv_key;
@@ -14560,7 +15661,7 @@ DUK_EXTERNAL duk_bool_t duk_del_prop(duk_context *ctx, duk_idx_t obj_index) {
* resize is not necessary for a property delete right now.
*/
- tv_obj = duk_require_tval(ctx, obj_index);
+ tv_obj = duk_require_tval(ctx, obj_idx);
tv_key = duk_require_tval(ctx, -1);
throw_flag = duk_is_strict_call(ctx);
@@ -14571,37 +15672,52 @@ DUK_EXTERNAL duk_bool_t duk_del_prop(duk_context *ctx, duk_idx_t obj_index) {
return rc;
}
-DUK_EXTERNAL duk_bool_t duk_del_prop_string(duk_context *ctx, duk_idx_t obj_index, const char *key) {
+DUK_EXTERNAL duk_bool_t duk_del_prop_string(duk_context *ctx, duk_idx_t obj_idx, const char *key) {
DUK_ASSERT_CTX_VALID(ctx);
DUK_ASSERT(key != NULL);
- obj_index = duk_require_normalize_index(ctx, obj_index);
+ obj_idx = duk_require_normalize_index(ctx, obj_idx);
duk_push_string(ctx, key);
- return duk_del_prop(ctx, obj_index);
+ return duk_del_prop(ctx, obj_idx);
+}
+
+DUK_EXTERNAL duk_bool_t duk_del_prop_lstring(duk_context *ctx, duk_idx_t obj_idx, const char *key, duk_size_t key_len) {
+ DUK_ASSERT_CTX_VALID(ctx);
+ DUK_ASSERT(key != NULL);
+
+ obj_idx = duk_require_normalize_index(ctx, obj_idx);
+ duk_push_lstring(ctx, key, key_len);
+ return duk_del_prop(ctx, obj_idx);
}
-DUK_EXTERNAL duk_bool_t duk_del_prop_index(duk_context *ctx, duk_idx_t obj_index, duk_uarridx_t arr_index) {
+DUK_EXTERNAL duk_bool_t duk_del_prop_index(duk_context *ctx, duk_idx_t obj_idx, duk_uarridx_t arr_idx) {
DUK_ASSERT_CTX_VALID(ctx);
- obj_index = duk_require_normalize_index(ctx, obj_index);
- duk_push_uarridx(ctx, arr_index);
- return duk_del_prop(ctx, obj_index);
+ obj_idx = duk_require_normalize_index(ctx, obj_idx);
+ duk_push_uarridx(ctx, arr_idx);
+ return duk_del_prop(ctx, obj_idx);
}
-DUK_INTERNAL duk_bool_t duk_del_prop_stridx(duk_context *ctx, duk_idx_t obj_index, duk_small_int_t stridx) {
+DUK_INTERNAL duk_bool_t duk_del_prop_stridx(duk_context *ctx, duk_idx_t obj_idx, duk_small_uint_t stridx) {
duk_hthread *thr = (duk_hthread *) ctx;
DUK_ASSERT_CTX_VALID(ctx);
- DUK_ASSERT_DISABLE(stridx >= 0);
- DUK_ASSERT(stridx < DUK_HEAP_NUM_STRINGS);
+ DUK_ASSERT_STRIDX_VALID(stridx);
DUK_UNREF(thr);
- obj_index = duk_require_normalize_index(ctx, obj_index);
+ obj_idx = duk_require_normalize_index(ctx, obj_idx);
duk_push_hstring(ctx, DUK_HTHREAD_GET_STRING(thr, stridx));
- return duk_del_prop(ctx, obj_index);
+ return duk_del_prop(ctx, obj_idx);
+}
+
+#if 0
+DUK_INTERNAL duk_bool_t duk_del_prop_stridx_short_raw(duk_context *ctx, duk_uint_t packed_args) {
+ return duk_del_prop_stridx(ctx, (duk_idx_t) (duk_int16_t) (packed_args >> 16),
+ (duk_small_uint_t) (packed_args & 0xffffUL));
}
+#endif
-DUK_EXTERNAL duk_bool_t duk_has_prop(duk_context *ctx, duk_idx_t obj_index) {
+DUK_EXTERNAL duk_bool_t duk_has_prop(duk_context *ctx, duk_idx_t obj_idx) {
duk_hthread *thr = (duk_hthread *) ctx;
duk_tval *tv_obj;
duk_tval *tv_key;
@@ -14613,7 +15729,7 @@ DUK_EXTERNAL duk_bool_t duk_has_prop(duk_context *ctx, duk_idx_t obj_index) {
* resize is not necessary for a property existence check right now.
*/
- tv_obj = duk_require_tval(ctx, obj_index);
+ tv_obj = duk_require_tval(ctx, obj_idx);
tv_key = duk_require_tval(ctx, -1);
rc = duk_hobject_hasprop(thr, tv_obj, tv_key);
@@ -14623,51 +15739,66 @@ DUK_EXTERNAL duk_bool_t duk_has_prop(duk_context *ctx, duk_idx_t obj_index) {
return rc; /* 1 if property found, 0 otherwise */
}
-DUK_EXTERNAL duk_bool_t duk_has_prop_string(duk_context *ctx, duk_idx_t obj_index, const char *key) {
+DUK_EXTERNAL duk_bool_t duk_has_prop_string(duk_context *ctx, duk_idx_t obj_idx, const char *key) {
DUK_ASSERT_CTX_VALID(ctx);
DUK_ASSERT(key != NULL);
- obj_index = duk_require_normalize_index(ctx, obj_index);
+ obj_idx = duk_require_normalize_index(ctx, obj_idx);
duk_push_string(ctx, key);
- return duk_has_prop(ctx, obj_index);
+ return duk_has_prop(ctx, obj_idx);
+}
+
+DUK_EXTERNAL duk_bool_t duk_has_prop_lstring(duk_context *ctx, duk_idx_t obj_idx, const char *key, duk_size_t key_len) {
+ DUK_ASSERT_CTX_VALID(ctx);
+ DUK_ASSERT(key != NULL);
+
+ obj_idx = duk_require_normalize_index(ctx, obj_idx);
+ duk_push_lstring(ctx, key, key_len);
+ return duk_has_prop(ctx, obj_idx);
}
-DUK_EXTERNAL duk_bool_t duk_has_prop_index(duk_context *ctx, duk_idx_t obj_index, duk_uarridx_t arr_index) {
+DUK_EXTERNAL duk_bool_t duk_has_prop_index(duk_context *ctx, duk_idx_t obj_idx, duk_uarridx_t arr_idx) {
DUK_ASSERT_CTX_VALID(ctx);
- obj_index = duk_require_normalize_index(ctx, obj_index);
- duk_push_uarridx(ctx, arr_index);
- return duk_has_prop(ctx, obj_index);
+ obj_idx = duk_require_normalize_index(ctx, obj_idx);
+ duk_push_uarridx(ctx, arr_idx);
+ return duk_has_prop(ctx, obj_idx);
}
-DUK_INTERNAL duk_bool_t duk_has_prop_stridx(duk_context *ctx, duk_idx_t obj_index, duk_small_int_t stridx) {
+DUK_INTERNAL duk_bool_t duk_has_prop_stridx(duk_context *ctx, duk_idx_t obj_idx, duk_small_uint_t stridx) {
duk_hthread *thr = (duk_hthread *) ctx;
DUK_ASSERT_CTX_VALID(ctx);
- DUK_ASSERT_DISABLE(stridx >= 0);
- DUK_ASSERT(stridx < DUK_HEAP_NUM_STRINGS);
+ DUK_ASSERT_STRIDX_VALID(stridx);
DUK_UNREF(thr);
- obj_index = duk_require_normalize_index(ctx, obj_index);
+ obj_idx = duk_require_normalize_index(ctx, obj_idx);
duk_push_hstring(ctx, DUK_HTHREAD_GET_STRING(thr, stridx));
- return duk_has_prop(ctx, obj_index);
+ return duk_has_prop(ctx, obj_idx);
}
-/* Define own property without inheritance looks and such. This differs from
+#if 0
+DUK_INTERNAL duk_bool_t duk_has_prop_stridx_short_raw(duk_context *ctx, duk_uint_t packed_args) {
+ return duk_has_prop_stridx(ctx, (duk_idx_t) (duk_int16_t) (packed_args >> 16),
+ (duk_small_uint_t) (packed_args & 0xffffUL));
+}
+#endif
+
+/* Define own property without inheritance lookups and such. This differs from
* [[DefineOwnProperty]] because special behaviors (like Array 'length') are
* not invoked by this method. The caller must be careful to invoke any such
* behaviors if necessary.
*/
-DUK_INTERNAL void duk_xdef_prop(duk_context *ctx, duk_idx_t obj_index, duk_small_uint_t desc_flags) {
+DUK_INTERNAL void duk_xdef_prop(duk_context *ctx, duk_idx_t obj_idx, duk_small_uint_t desc_flags) {
duk_hthread *thr = (duk_hthread *) ctx;
duk_hobject *obj;
duk_hstring *key;
DUK_ASSERT_CTX_VALID(ctx);
- obj = duk_require_hobject(ctx, obj_index);
+ obj = duk_require_hobject(ctx, obj_idx);
DUK_ASSERT(obj != NULL);
- key = duk_to_hstring(ctx, -2);
+ key = duk_to_property_key_hstring(ctx, -2);
DUK_ASSERT(key != NULL);
DUK_ASSERT(duk_require_tval(ctx, -1) != NULL);
@@ -14676,29 +15807,28 @@ DUK_INTERNAL void duk_xdef_prop(duk_context *ctx, duk_idx_t obj_index, duk_small
duk_pop(ctx); /* pop key */
}
-DUK_INTERNAL void duk_xdef_prop_index(duk_context *ctx, duk_idx_t obj_index, duk_uarridx_t arr_index, duk_small_uint_t desc_flags) {
+DUK_INTERNAL void duk_xdef_prop_index(duk_context *ctx, duk_idx_t obj_idx, duk_uarridx_t arr_idx, duk_small_uint_t desc_flags) {
duk_hthread *thr = (duk_hthread *) ctx;
duk_hobject *obj;
DUK_ASSERT_CTX_VALID(ctx);
- obj = duk_require_hobject(ctx, obj_index);
+ obj = duk_require_hobject(ctx, obj_idx);
DUK_ASSERT(obj != NULL);
- duk_hobject_define_property_internal_arridx(thr, obj, arr_index, desc_flags);
+ duk_hobject_define_property_internal_arridx(thr, obj, arr_idx, desc_flags);
/* value popped by call */
}
-DUK_INTERNAL void duk_xdef_prop_stridx(duk_context *ctx, duk_idx_t obj_index, duk_small_int_t stridx, duk_small_uint_t desc_flags) {
+DUK_INTERNAL void duk_xdef_prop_stridx(duk_context *ctx, duk_idx_t obj_idx, duk_small_uint_t stridx, duk_small_uint_t desc_flags) {
duk_hthread *thr = (duk_hthread *) ctx;
duk_hobject *obj;
duk_hstring *key;
DUK_ASSERT_CTX_VALID(ctx);
- DUK_ASSERT_DISABLE(stridx >= 0);
- DUK_ASSERT(stridx < DUK_HEAP_NUM_STRINGS);
+ DUK_ASSERT_STRIDX_VALID(stridx);
- obj = duk_require_hobject(ctx, obj_index);
+ obj = duk_require_hobject(ctx, obj_idx);
DUK_ASSERT(obj != NULL);
key = DUK_HTHREAD_GET_STRING(thr, stridx);
DUK_ASSERT(key != NULL);
@@ -14708,18 +15838,22 @@ DUK_INTERNAL void duk_xdef_prop_stridx(duk_context *ctx, duk_idx_t obj_index, du
/* value popped by call */
}
-DUK_INTERNAL void duk_xdef_prop_stridx_builtin(duk_context *ctx, duk_idx_t obj_index, duk_small_int_t stridx, duk_small_int_t builtin_idx, duk_small_uint_t desc_flags) {
+DUK_INTERNAL void duk_xdef_prop_stridx_short_raw(duk_context *ctx, duk_uint_t packed_args) {
+ duk_xdef_prop_stridx(ctx, (duk_idx_t) (duk_int8_t) (packed_args >> 24),
+ (duk_small_uint_t) (packed_args >> 8) & 0xffffUL,
+ (duk_small_uint_t) (packed_args & 0xffL));
+}
+
+DUK_INTERNAL void duk_xdef_prop_stridx_builtin(duk_context *ctx, duk_idx_t obj_idx, duk_small_uint_t stridx, duk_small_int_t builtin_idx, duk_small_uint_t desc_flags) {
duk_hthread *thr = (duk_hthread *) ctx;
duk_hobject *obj;
duk_hstring *key;
DUK_ASSERT_CTX_VALID(ctx);
- DUK_ASSERT_DISABLE(stridx >= 0);
- DUK_ASSERT(stridx < DUK_HEAP_NUM_STRINGS);
- DUK_ASSERT_DISABLE(builtin_idx >= 0);
- DUK_ASSERT(builtin_idx < DUK_NUM_BUILTINS);
+ DUK_ASSERT_STRIDX_VALID(stridx);
+ DUK_ASSERT_BIDX_VALID(builtin_idx);
- obj = duk_require_hobject(ctx, obj_index);
+ obj = duk_require_hobject(ctx, obj_idx);
DUK_ASSERT(obj != NULL);
key = DUK_HTHREAD_GET_STRING(thr, stridx);
DUK_ASSERT(key != NULL);
@@ -14734,15 +15868,23 @@ DUK_INTERNAL void duk_xdef_prop_stridx_builtin(duk_context *ctx, duk_idx_t obj_i
* object creation code, function instance creation code, and Function.prototype.bind().
*/
-DUK_INTERNAL void duk_xdef_prop_stridx_thrower(duk_context *ctx, duk_idx_t obj_index, duk_small_int_t stridx, duk_small_uint_t desc_flags) {
- duk_hthread *thr = (duk_hthread *) ctx;
- duk_hobject *obj = duk_require_hobject(ctx, obj_index);
- duk_hobject *thrower = thr->builtins[DUK_BIDX_TYPE_ERROR_THROWER];
- duk_hobject_define_accessor_internal(thr, obj, DUK_HTHREAD_GET_STRING(thr, stridx), thrower, thrower, desc_flags);
+DUK_INTERNAL void duk_xdef_prop_stridx_thrower(duk_context *ctx, duk_idx_t obj_idx, duk_small_uint_t stridx) {
+ obj_idx = duk_require_normalize_index(ctx, obj_idx);
+ duk_push_hstring_stridx(ctx, stridx);
+ duk_push_hobject_bidx(ctx, DUK_BIDX_TYPE_ERROR_THROWER);
+ duk_dup_top(ctx);
+ duk_def_prop(ctx, obj_idx, DUK_DEFPROP_HAVE_SETTER | DUK_DEFPROP_HAVE_GETTER | DUK_DEFPROP_FORCE); /* attributes always 0 */
+}
+
+/* Object.getOwnPropertyDescriptor() equivalent C binding. */
+DUK_EXTERNAL void duk_get_prop_desc(duk_context *ctx, duk_idx_t obj_idx, duk_uint_t flags) {
+ DUK_UNREF(flags); /* no flags defined yet */
+
+ duk_hobject_object_get_own_property_descriptor(ctx, obj_idx); /* [ ... key ] -> [ ... desc ] */
}
/* Object.defineProperty() equivalent C binding. */
-DUK_EXTERNAL void duk_def_prop(duk_context *ctx, duk_idx_t obj_index, duk_uint_t flags) {
+DUK_EXTERNAL void duk_def_prop(duk_context *ctx, duk_idx_t obj_idx, duk_uint_t flags) {
duk_hthread *thr = (duk_hthread *) ctx;
duk_idx_t idx_base;
duk_hobject *obj;
@@ -14755,7 +15897,7 @@ DUK_EXTERNAL void duk_def_prop(duk_context *ctx, duk_idx_t obj_index, duk_uint_t
DUK_ASSERT_CTX_VALID(ctx);
- obj = duk_require_hobject(ctx, obj_index);
+ obj = duk_require_hobject(ctx, obj_idx);
is_data_desc = flags & (DUK_DEFPROP_HAVE_VALUE | DUK_DEFPROP_HAVE_WRITABLE);
is_acc_desc = flags & (DUK_DEFPROP_HAVE_GETTER | DUK_DEFPROP_HAVE_SETTER);
@@ -14772,7 +15914,7 @@ DUK_EXTERNAL void duk_def_prop(duk_context *ctx, duk_idx_t obj_index, duk_uint_t
duk_require_type_mask(ctx, idx_base, DUK_TYPE_MASK_UNDEFINED |
DUK_TYPE_MASK_OBJECT |
DUK_TYPE_MASK_LIGHTFUNC);
- set = duk_get_hobject_or_lfunc_coerce(ctx, idx_base);
+ set = duk_get_hobject_promote_lfunc(ctx, idx_base);
if (set != NULL && !DUK_HOBJECT_IS_CALLABLE(set)) {
goto fail_not_callable;
}
@@ -14784,7 +15926,7 @@ DUK_EXTERNAL void duk_def_prop(duk_context *ctx, duk_idx_t obj_index, duk_uint_t
duk_require_type_mask(ctx, idx_base, DUK_TYPE_MASK_UNDEFINED |
DUK_TYPE_MASK_OBJECT |
DUK_TYPE_MASK_LIGHTFUNC);
- get = duk_get_hobject_or_lfunc_coerce(ctx, idx_base);
+ get = duk_get_hobject_promote_lfunc(ctx, idx_base);
if (get != NULL && !DUK_HOBJECT_IS_CALLABLE(get)) {
goto fail_not_callable;
}
@@ -14798,7 +15940,8 @@ DUK_EXTERNAL void duk_def_prop(duk_context *ctx, duk_idx_t obj_index, duk_uint_t
} else {
idx_value = (duk_idx_t) -1;
}
- key = duk_require_hstring(ctx, idx_base);
+ key = duk_to_property_key_hstring(ctx, idx_base);
+ DUK_ASSERT(key != NULL);
duk_require_valid_index(ctx, idx_base);
@@ -14808,7 +15951,8 @@ DUK_EXTERNAL void duk_def_prop(duk_context *ctx, duk_idx_t obj_index, duk_uint_t
key,
idx_value,
get,
- set);
+ set,
+ 1 /*throw_flag*/);
/* Clean up stack */
@@ -14834,26 +15978,30 @@ DUK_EXTERNAL void duk_def_prop(duk_context *ctx, duk_idx_t obj_index, duk_uint_t
* and are not exposed through the API.
*/
-DUK_EXTERNAL void duk_compact(duk_context *ctx, duk_idx_t obj_index) {
+DUK_EXTERNAL void duk_compact(duk_context *ctx, duk_idx_t obj_idx) {
duk_hthread *thr = (duk_hthread *) ctx;
duk_hobject *obj;
DUK_ASSERT_CTX_VALID(ctx);
- obj = duk_get_hobject(ctx, obj_index);
+ obj = duk_get_hobject(ctx, obj_idx);
if (obj) {
/* Note: this may fail, caller should protect the call if necessary */
duk_hobject_compact_props(thr, obj);
}
}
+DUK_INTERNAL void duk_compact_m1(duk_context *ctx) {
+ duk_compact(ctx, -1);
+}
+
/* XXX: the duk_hobject_enum.c stack APIs should be reworked */
-DUK_EXTERNAL void duk_enum(duk_context *ctx, duk_idx_t obj_index, duk_uint_t enum_flags) {
+DUK_EXTERNAL void duk_enum(duk_context *ctx, duk_idx_t obj_idx, duk_uint_t enum_flags) {
DUK_ASSERT_CTX_VALID(ctx);
- duk_dup(ctx, obj_index);
- duk_require_hobject_or_lfunc_coerce(ctx, -1);
+ duk_dup(ctx, obj_idx);
+ duk_require_hobject_promote_mask(ctx, -1, DUK_TYPE_MASK_LIGHTFUNC | DUK_TYPE_MASK_BUFFER);
duk_hobject_enumerator_create(ctx, enum_flags); /* [target] -> [enum] */
}
@@ -14869,31 +16017,34 @@ DUK_EXTERNAL duk_bool_t duk_next(duk_context *ctx, duk_idx_t enum_index, duk_boo
* Helpers for writing multiple properties
*/
-DUK_EXTERNAL void duk_put_function_list(duk_context *ctx, duk_idx_t obj_index, const duk_function_list_entry *funcs) {
+DUK_EXTERNAL void duk_put_function_list(duk_context *ctx, duk_idx_t obj_idx, const duk_function_list_entry *funcs) {
const duk_function_list_entry *ent = funcs;
DUK_ASSERT_CTX_VALID(ctx);
- obj_index = duk_require_normalize_index(ctx, obj_index);
+ obj_idx = duk_require_normalize_index(ctx, obj_idx);
if (ent != NULL) {
while (ent->key != NULL) {
duk_push_c_function(ctx, ent->value, ent->nargs);
- duk_put_prop_string(ctx, obj_index, ent->key);
+ duk_put_prop_string(ctx, obj_idx, ent->key);
ent++;
}
}
}
-DUK_EXTERNAL void duk_put_number_list(duk_context *ctx, duk_idx_t obj_index, const duk_number_list_entry *numbers) {
+DUK_EXTERNAL void duk_put_number_list(duk_context *ctx, duk_idx_t obj_idx, const duk_number_list_entry *numbers) {
const duk_number_list_entry *ent = numbers;
+ duk_tval *tv;
DUK_ASSERT_CTX_VALID(ctx);
- obj_index = duk_require_normalize_index(ctx, obj_index);
+ obj_idx = duk_require_normalize_index(ctx, obj_idx);
if (ent != NULL) {
while (ent->key != NULL) {
- duk_push_number(ctx, ent->value);
- duk_put_prop_string(ctx, obj_index, ent->key);
+ tv = ((duk_hthread *) ctx)->valstack_top++;
+ DUK_ASSERT(DUK_TVAL_IS_UNDEFINED(tv)); /* value stack init policy */
+ DUK_TVAL_SET_NUMBER_CHKFAST_SLOW(tv, ent->value); /* no need for decref/incref */
+ duk_put_prop_string(ctx, obj_idx, ent->key);
ent++;
}
}
@@ -14914,7 +16065,22 @@ DUK_EXTERNAL duk_bool_t duk_get_global_string(duk_context *ctx, const char *key)
duk_push_hobject(ctx, thr->builtins[DUK_BIDX_GLOBAL]);
ret = duk_get_prop_string(ctx, -1, key);
- duk_remove(ctx, -2);
+ duk_remove_m2(ctx);
+ return ret;
+}
+
+DUK_EXTERNAL duk_bool_t duk_get_global_lstring(duk_context *ctx, const char *key, duk_size_t key_len) {
+ duk_hthread *thr = (duk_hthread *) ctx;
+ duk_bool_t ret;
+
+ DUK_ASSERT_CTX_VALID(ctx);
+ DUK_ASSERT(thr->builtins[DUK_BIDX_GLOBAL] != NULL);
+
+ /* XXX: direct implementation */
+
+ duk_push_hobject(ctx, thr->builtins[DUK_BIDX_GLOBAL]);
+ ret = duk_get_prop_lstring(ctx, -1, key, key_len);
+ duk_remove_m2(ctx);
return ret;
}
@@ -14934,11 +16100,27 @@ DUK_EXTERNAL duk_bool_t duk_put_global_string(duk_context *ctx, const char *key)
return ret;
}
+DUK_EXTERNAL duk_bool_t duk_put_global_lstring(duk_context *ctx, const char *key, duk_size_t key_len) {
+ duk_hthread *thr = (duk_hthread *) ctx;
+ duk_bool_t ret;
+
+ DUK_ASSERT_CTX_VALID(ctx);
+ DUK_ASSERT(thr->builtins[DUK_BIDX_GLOBAL] != NULL);
+
+ /* XXX: direct implementation */
+
+ duk_push_hobject(ctx, thr->builtins[DUK_BIDX_GLOBAL]);
+ duk_insert(ctx, -2);
+ ret = duk_put_prop_lstring(ctx, -2, key, key_len); /* [ ... global val ] -> [ ... global ] */
+ duk_pop(ctx);
+ return ret;
+}
+
/*
* Object prototype
*/
-DUK_EXTERNAL void duk_get_prototype(duk_context *ctx, duk_idx_t index) {
+DUK_EXTERNAL void duk_get_prototype(duk_context *ctx, duk_idx_t idx) {
duk_hthread *thr = (duk_hthread *) ctx;
duk_hobject *obj;
duk_hobject *proto;
@@ -14946,7 +16128,7 @@ DUK_EXTERNAL void duk_get_prototype(duk_context *ctx, duk_idx_t index) {
DUK_ASSERT_CTX_VALID(ctx);
DUK_UNREF(thr);
- obj = duk_require_hobject(ctx, index);
+ obj = duk_require_hobject(ctx, idx);
DUK_ASSERT(obj != NULL);
/* XXX: shared helper for duk_push_hobject_or_undefined()? */
@@ -14958,14 +16140,14 @@ DUK_EXTERNAL void duk_get_prototype(duk_context *ctx, duk_idx_t index) {
}
}
-DUK_EXTERNAL void duk_set_prototype(duk_context *ctx, duk_idx_t index) {
+DUK_EXTERNAL void duk_set_prototype(duk_context *ctx, duk_idx_t idx) {
duk_hthread *thr = (duk_hthread *) ctx;
duk_hobject *obj;
duk_hobject *proto;
DUK_ASSERT_CTX_VALID(ctx);
- obj = duk_require_hobject(ctx, index);
+ obj = duk_require_hobject(ctx, idx);
DUK_ASSERT(obj != NULL);
duk_require_type_mask(ctx, -1, DUK_TYPE_MASK_UNDEFINED |
DUK_TYPE_MASK_OBJECT);
@@ -14988,23 +16170,36 @@ DUK_EXTERNAL void duk_set_prototype(duk_context *ctx, duk_idx_t index) {
* Object finalizer
*/
+#if defined(DUK_USE_FINALIZER_SUPPORT)
/* XXX: these could be implemented as macros calling an internal function
* directly.
* XXX: same issue as with Duktape.fin: there's no way to delete the property
* now (just set it to undefined).
*/
-DUK_EXTERNAL void duk_get_finalizer(duk_context *ctx, duk_idx_t index) {
+DUK_EXTERNAL void duk_get_finalizer(duk_context *ctx, duk_idx_t idx) {
DUK_ASSERT_CTX_VALID(ctx);
- duk_get_prop_stridx(ctx, index, DUK_STRIDX_INT_FINALIZER);
+ duk_get_prop_stridx(ctx, idx, DUK_STRIDX_INT_FINALIZER);
}
-DUK_EXTERNAL void duk_set_finalizer(duk_context *ctx, duk_idx_t index) {
+DUK_EXTERNAL void duk_set_finalizer(duk_context *ctx, duk_idx_t idx) {
DUK_ASSERT_CTX_VALID(ctx);
- duk_put_prop_stridx(ctx, index, DUK_STRIDX_INT_FINALIZER);
+ duk_put_prop_stridx(ctx, idx, DUK_STRIDX_INT_FINALIZER);
+}
+#else /* DUK_USE_FINALIZER_SUPPORT */
+DUK_EXTERNAL void duk_get_finalizer(duk_context *ctx, duk_idx_t idx) {
+ DUK_ASSERT_CTX_VALID(ctx);
+ DUK_UNREF(idx);
+ DUK_ERROR_UNSUPPORTED((duk_hthread *) ctx);
+}
+
+DUK_EXTERNAL void duk_set_finalizer(duk_context *ctx, duk_idx_t idx) {
+ DUK_ASSERT_CTX_VALID(ctx);
+ DUK_UNREF(idx);
+ DUK_ERROR_UNSUPPORTED((duk_hthread *) ctx);
}
-#line 1 "duk_api_stack.c"
+#endif /* DUK_USE_FINALIZER_SUPPORT */
/*
* API calls related to general value stack manipulation: resizing the value
* stack, pushing and popping values, type checking and reading values,
@@ -15017,7 +16212,7 @@ DUK_EXTERNAL void duk_set_finalizer(duk_context *ctx, duk_idx_t index) {
/* XXX: repetition of stack pre-checks -> helper or macro or inline */
/* XXX: shared api error strings, and perhaps even throw code for rare cases? */
-/* include removed: duk_internal.h */
+/* #include duk_internal.h -> already included */
/*
* Forward declarations
@@ -15029,7 +16224,7 @@ DUK_LOCAL_DECL duk_idx_t duk__push_c_function_raw(duk_context *ctx, duk_c_functi
* Global state for working around missing variadic macros
*/
-#ifndef DUK_USE_VARIADIC_MACROS
+#if !defined(DUK_USE_VARIADIC_MACROS)
DUK_EXTERNAL const char *duk_api_global_filename = NULL;
DUK_EXTERNAL duk_int_t duk_api_global_line = 0;
#endif
@@ -15038,6 +16233,35 @@ DUK_EXTERNAL duk_int_t duk_api_global_line = 0;
* Misc helpers
*/
+#if !defined(DUK_USE_PACKED_TVAL)
+DUK_LOCAL const duk_uint_t duk__type_from_tag[] = {
+ DUK_TYPE_NUMBER,
+ DUK_TYPE_NUMBER, /* fastint */
+ DUK_TYPE_UNDEFINED,
+ DUK_TYPE_NULL,
+ DUK_TYPE_BOOLEAN,
+ DUK_TYPE_POINTER,
+ DUK_TYPE_LIGHTFUNC,
+ DUK_TYPE_NONE,
+ DUK_TYPE_STRING,
+ DUK_TYPE_OBJECT,
+ DUK_TYPE_BUFFER,
+};
+DUK_LOCAL const duk_uint_t duk__type_mask_from_tag[] = {
+ DUK_TYPE_MASK_NUMBER,
+ DUK_TYPE_MASK_NUMBER, /* fastint */
+ DUK_TYPE_MASK_UNDEFINED,
+ DUK_TYPE_MASK_NULL,
+ DUK_TYPE_MASK_BOOLEAN,
+ DUK_TYPE_MASK_POINTER,
+ DUK_TYPE_MASK_LIGHTFUNC,
+ DUK_TYPE_MASK_NONE,
+ DUK_TYPE_MASK_STRING,
+ DUK_TYPE_MASK_OBJECT,
+ DUK_TYPE_MASK_BUFFER,
+};
+#endif /* !DUK_USE_PACKED_TVAL */
+
/* Check that there's room to push one value. */
#if defined(DUK_USE_VALSTACK_UNSAFE)
/* Faster but value stack overruns are memory unsafe. */
@@ -15047,14 +16271,14 @@ DUK_EXTERNAL duk_int_t duk_api_global_line = 0;
#else
#define DUK__CHECK_SPACE() do { \
if (DUK_UNLIKELY(thr->valstack_top >= thr->valstack_end)) { \
- DUK_ERROR_API(thr, DUK_STR_PUSH_BEYOND_ALLOC_STACK); \
+ DUK_ERROR_RANGE_PUSH_BEYOND(thr); \
} \
} while (0)
#endif
-DUK_LOCAL_DECL duk_heaphdr *duk__get_tagged_heaphdr_raw(duk_context *ctx, duk_idx_t index, duk_uint_t tag);
+DUK_LOCAL_DECL duk_heaphdr *duk__get_tagged_heaphdr_raw(duk_context *ctx, duk_idx_t idx, duk_uint_t tag);
-DUK_LOCAL duk_int_t duk__api_coerce_d2i(duk_context *ctx, duk_idx_t index, duk_bool_t require) {
+DUK_LOCAL duk_int_t duk__api_coerce_d2i(duk_context *ctx, duk_idx_t idx, duk_bool_t require) {
duk_hthread *thr;
duk_tval *tv;
duk_small_int_t c;
@@ -15062,10 +16286,8 @@ DUK_LOCAL duk_int_t duk__api_coerce_d2i(duk_context *ctx, duk_idx_t index, duk_b
thr = (duk_hthread *) ctx;
- tv = duk_get_tval(ctx, index);
- if (tv == NULL) {
- goto error_notnumber;
- }
+ tv = duk_get_tval_or_unused(ctx, idx);
+ DUK_ASSERT(tv != NULL);
/*
* Special cases like NaN and +/- Infinity are handled explicitly
@@ -15112,16 +16334,14 @@ DUK_LOCAL duk_int_t duk__api_coerce_d2i(duk_context *ctx, duk_idx_t index, duk_b
}
}
- error_notnumber:
-
if (require) {
- DUK_ERROR_REQUIRE_TYPE_INDEX(thr, index, "number", DUK_STR_NOT_NUMBER);
+ DUK_ERROR_REQUIRE_TYPE_INDEX(thr, idx, "number", DUK_STR_NOT_NUMBER);
/* not reachable */
}
return 0;
}
-DUK_LOCAL duk_uint_t duk__api_coerce_d2ui(duk_context *ctx, duk_idx_t index, duk_bool_t require) {
+DUK_LOCAL duk_uint_t duk__api_coerce_d2ui(duk_context *ctx, duk_idx_t idx, duk_bool_t require) {
duk_hthread *thr;
duk_tval *tv;
duk_small_int_t c;
@@ -15131,10 +16351,8 @@ DUK_LOCAL duk_uint_t duk__api_coerce_d2ui(duk_context *ctx, duk_idx_t index, duk
thr = (duk_hthread *) ctx;
- tv = duk_get_tval(ctx, index);
- if (tv == NULL) {
- goto error_notnumber;
- }
+ tv = duk_get_tval_or_unused(ctx, idx);
+ DUK_ASSERT(tv != NULL);
#if defined(DUK_USE_FASTINT)
if (DUK_TVAL_IS_FASTINT(tv)) {
@@ -15169,10 +16387,8 @@ DUK_LOCAL duk_uint_t duk__api_coerce_d2ui(duk_context *ctx, duk_idx_t index, duk
}
}
- error_notnumber:
-
if (require) {
- DUK_ERROR_REQUIRE_TYPE_INDEX(thr, index, "number", DUK_STR_NOT_NUMBER);
+ DUK_ERROR_REQUIRE_TYPE_INDEX(thr, idx, "number", DUK_STR_NOT_NUMBER);
/* not reachable */
}
return 0;
@@ -15187,10 +16403,10 @@ DUK_LOCAL duk_uint_t duk__api_coerce_d2ui(duk_context *ctx, duk_idx_t index, duk
* There's some repetition because of this; keep the functions in sync.
*/
-DUK_EXTERNAL duk_idx_t duk_normalize_index(duk_context *ctx, duk_idx_t index) {
+DUK_EXTERNAL duk_idx_t duk_normalize_index(duk_context *ctx, duk_idx_t idx) {
duk_hthread *thr = (duk_hthread *) ctx;
duk_uidx_t vs_size;
- duk_uidx_t uindex;
+ duk_uidx_t uidx;
DUK_ASSERT_CTX_VALID(ctx);
DUK_ASSERT(DUK_INVALID_INDEX < 0);
@@ -15206,27 +16422,27 @@ DUK_EXTERNAL duk_idx_t duk_normalize_index(duk_context *ctx, duk_idx_t index) {
vs_size = (duk_uidx_t) (thr->valstack_top - thr->valstack_bottom);
DUK_ASSERT_DISABLE(vs_size >= 0); /* unsigned */
- if (index < 0) {
- uindex = vs_size + (duk_uidx_t) index;
+ if (idx < 0) {
+ uidx = vs_size + (duk_uidx_t) idx;
} else {
/* since index non-negative */
- DUK_ASSERT(index != DUK_INVALID_INDEX);
- uindex = (duk_uidx_t) index;
+ DUK_ASSERT(idx != DUK_INVALID_INDEX);
+ uidx = (duk_uidx_t) idx;
}
/* DUK_INVALID_INDEX won't be accepted as a valid index. */
DUK_ASSERT(vs_size + (duk_uidx_t) DUK_INVALID_INDEX >= vs_size);
- if (DUK_LIKELY(uindex < vs_size)) {
- return (duk_idx_t) uindex;
+ if (DUK_LIKELY(uidx < vs_size)) {
+ return (duk_idx_t) uidx;
}
return DUK_INVALID_INDEX;
}
-DUK_EXTERNAL duk_idx_t duk_require_normalize_index(duk_context *ctx, duk_idx_t index) {
+DUK_EXTERNAL duk_idx_t duk_require_normalize_index(duk_context *ctx, duk_idx_t idx) {
duk_hthread *thr = (duk_hthread *) ctx;
duk_uidx_t vs_size;
- duk_uidx_t uindex;
+ duk_uidx_t uidx;
DUK_ASSERT_CTX_VALID(ctx);
DUK_ASSERT(DUK_INVALID_INDEX < 0);
@@ -15235,27 +16451,27 @@ DUK_EXTERNAL duk_idx_t duk_require_normalize_index(duk_context *ctx, duk_idx_t i
vs_size = (duk_uidx_t) (thr->valstack_top - thr->valstack_bottom);
DUK_ASSERT_DISABLE(vs_size >= 0); /* unsigned */
- if (index < 0) {
- uindex = vs_size + (duk_uidx_t) index;
+ if (idx < 0) {
+ uidx = vs_size + (duk_uidx_t) idx;
} else {
- DUK_ASSERT(index != DUK_INVALID_INDEX);
- uindex = (duk_uidx_t) index;
+ DUK_ASSERT(idx != DUK_INVALID_INDEX);
+ uidx = (duk_uidx_t) idx;
}
/* DUK_INVALID_INDEX won't be accepted as a valid index. */
DUK_ASSERT(vs_size + (duk_uidx_t) DUK_INVALID_INDEX >= vs_size);
- if (DUK_LIKELY(uindex < vs_size)) {
- return (duk_idx_t) uindex;
+ if (DUK_LIKELY(uidx < vs_size)) {
+ return (duk_idx_t) uidx;
}
- DUK_ERROR_API_INDEX(thr, index);
+ DUK_ERROR_RANGE_INDEX(thr, idx);
return 0; /* unreachable */
}
-DUK_INTERNAL duk_tval *duk_get_tval(duk_context *ctx, duk_idx_t index) {
+DUK_INTERNAL duk_tval *duk_get_tval(duk_context *ctx, duk_idx_t idx) {
duk_hthread *thr = (duk_hthread *) ctx;
duk_uidx_t vs_size;
- duk_uidx_t uindex;
+ duk_uidx_t uidx;
DUK_ASSERT_CTX_VALID(ctx);
DUK_ASSERT(DUK_INVALID_INDEX < 0);
@@ -15264,26 +16480,43 @@ DUK_INTERNAL duk_tval *duk_get_tval(duk_context *ctx, duk_idx_t index) {
vs_size = (duk_uidx_t) (thr->valstack_top - thr->valstack_bottom);
DUK_ASSERT_DISABLE(vs_size >= 0); /* unsigned */
- if (index < 0) {
- uindex = vs_size + (duk_uidx_t) index;
+ if (idx < 0) {
+ uidx = vs_size + (duk_uidx_t) idx;
} else {
- DUK_ASSERT(index != DUK_INVALID_INDEX);
- uindex = (duk_uidx_t) index;
+ DUK_ASSERT(idx != DUK_INVALID_INDEX);
+ uidx = (duk_uidx_t) idx;
}
/* DUK_INVALID_INDEX won't be accepted as a valid index. */
DUK_ASSERT(vs_size + (duk_uidx_t) DUK_INVALID_INDEX >= vs_size);
- if (DUK_LIKELY(uindex < vs_size)) {
- return thr->valstack_bottom + uindex;
+ if (DUK_LIKELY(uidx < vs_size)) {
+ return thr->valstack_bottom + uidx;
}
return NULL;
}
-DUK_INTERNAL duk_tval *duk_require_tval(duk_context *ctx, duk_idx_t index) {
+/* Variant of duk_get_tval() which is guaranteed to return a valid duk_tval
+ * pointer. When duk_get_tval() would return NULL, this variant returns a
+ * pointer to a duk_tval with tag DUK_TAG_UNUSED. This allows the call site
+ * to avoid an unnecessary NULL check which sometimes leads to better code.
+ * The return duk_tval is read only (at least for the UNUSED value).
+ */
+DUK_LOCAL const duk_tval_unused duk__const_tval_unused = DUK_TVAL_UNUSED_INITIALIZER();
+
+DUK_INTERNAL duk_tval *duk_get_tval_or_unused(duk_context *ctx, duk_idx_t idx) {
+ duk_tval *tv;
+ tv = duk_get_tval(ctx, idx);
+ if (tv != NULL) {
+ return tv;
+ }
+ return (duk_tval *) DUK_LOSE_CONST(&duk__const_tval_unused);
+}
+
+DUK_INTERNAL duk_tval *duk_require_tval(duk_context *ctx, duk_idx_t idx) {
duk_hthread *thr = (duk_hthread *) ctx;
duk_uidx_t vs_size;
- duk_uidx_t uindex;
+ duk_uidx_t uidx;
DUK_ASSERT_CTX_VALID(ctx);
DUK_ASSERT(DUK_INVALID_INDEX < 0);
@@ -15293,40 +16526,40 @@ DUK_INTERNAL duk_tval *duk_require_tval(duk_context *ctx, duk_idx_t index) {
DUK_ASSERT_DISABLE(vs_size >= 0); /* unsigned */
/* Use unsigned arithmetic to optimize comparison. */
- if (index < 0) {
- uindex = vs_size + (duk_uidx_t) index;
+ if (idx < 0) {
+ uidx = vs_size + (duk_uidx_t) idx;
} else {
- DUK_ASSERT(index != DUK_INVALID_INDEX);
- uindex = (duk_uidx_t) index;
+ DUK_ASSERT(idx != DUK_INVALID_INDEX);
+ uidx = (duk_uidx_t) idx;
}
/* DUK_INVALID_INDEX won't be accepted as a valid index. */
DUK_ASSERT(vs_size + (duk_uidx_t) DUK_INVALID_INDEX >= vs_size);
- if (DUK_LIKELY(uindex < vs_size)) {
- return thr->valstack_bottom + uindex;
+ if (DUK_LIKELY(uidx < vs_size)) {
+ return thr->valstack_bottom + uidx;
}
- DUK_ERROR_API_INDEX(thr, index);
+ DUK_ERROR_RANGE_INDEX(thr, idx);
return NULL;
}
/* Non-critical. */
-DUK_EXTERNAL duk_bool_t duk_is_valid_index(duk_context *ctx, duk_idx_t index) {
+DUK_EXTERNAL duk_bool_t duk_is_valid_index(duk_context *ctx, duk_idx_t idx) {
DUK_ASSERT_CTX_VALID(ctx);
DUK_ASSERT(DUK_INVALID_INDEX < 0);
- return (duk_normalize_index(ctx, index) >= 0);
+ return (duk_normalize_index(ctx, idx) >= 0);
}
/* Non-critical. */
-DUK_EXTERNAL void duk_require_valid_index(duk_context *ctx, duk_idx_t index) {
+DUK_EXTERNAL void duk_require_valid_index(duk_context *ctx, duk_idx_t idx) {
duk_hthread *thr = (duk_hthread *) ctx;
DUK_ASSERT_CTX_VALID(ctx);
DUK_ASSERT(DUK_INVALID_INDEX < 0);
- if (duk_normalize_index(ctx, index) < 0) {
- DUK_ERROR_API_INDEX(thr, index);
+ if (duk_normalize_index(ctx, idx) < 0) {
+ DUK_ERROR_RANGE_INDEX(thr, idx);
return; /* unreachable */
}
}
@@ -15343,15 +16576,31 @@ DUK_EXTERNAL duk_idx_t duk_get_top(duk_context *ctx) {
return (duk_idx_t) (thr->valstack_top - thr->valstack_bottom);
}
+/* Internal helper to get current top but to require a minimum top value
+ * (TypeError if not met).
+ */
+DUK_INTERNAL duk_idx_t duk_get_top_require_min(duk_context *ctx, duk_idx_t min_top) {
+ duk_hthread *thr = (duk_hthread *) ctx;
+ duk_idx_t ret;
+
+ DUK_ASSERT_CTX_VALID(ctx);
+
+ ret = (duk_idx_t) (thr->valstack_top - thr->valstack_bottom);
+ if (ret < min_top) {
+ DUK_ERROR_TYPE_INVALID_ARGS(thr);
+ }
+ return ret;
+}
+
/* Set stack top within currently allocated range, but don't reallocate.
* This is performance critical especially for call handling, so whenever
* changing, profile and look at generated code.
*/
-DUK_EXTERNAL void duk_set_top(duk_context *ctx, duk_idx_t index) {
+DUK_EXTERNAL void duk_set_top(duk_context *ctx, duk_idx_t idx) {
duk_hthread *thr = (duk_hthread *) ctx;
duk_uidx_t vs_size;
duk_uidx_t vs_limit;
- duk_uidx_t uindex;
+ duk_uidx_t uidx;
duk_tval *tv;
DUK_ASSERT_CTX_VALID(ctx);
@@ -15362,16 +16611,16 @@ DUK_EXTERNAL void duk_set_top(duk_context *ctx, duk_idx_t index) {
vs_size = (duk_uidx_t) (thr->valstack_top - thr->valstack_bottom);
vs_limit = (duk_uidx_t) (thr->valstack_end - thr->valstack_bottom);
- if (index < 0) {
+ if (idx < 0) {
/* Negative indices are always within allocated stack but
* must not go below zero index.
*/
- uindex = vs_size + (duk_uidx_t) index;
+ uidx = vs_size + (duk_uidx_t) idx;
} else {
/* Positive index can be higher than valstack top but must
* not go above allocated stack (equality is OK).
*/
- uindex = (duk_uidx_t) index;
+ uidx = (duk_uidx_t) idx;
}
/* DUK_INVALID_INDEX won't be accepted as a valid index. */
@@ -15379,15 +16628,15 @@ DUK_EXTERNAL void duk_set_top(duk_context *ctx, duk_idx_t index) {
DUK_ASSERT(vs_size + (duk_uidx_t) DUK_INVALID_INDEX >= vs_limit);
#if defined(DUK_USE_VALSTACK_UNSAFE)
- DUK_ASSERT(uindex <= vs_limit);
+ DUK_ASSERT(uidx <= vs_limit);
DUK_UNREF(vs_limit);
#else
- if (DUK_UNLIKELY(uindex > vs_limit)) {
- DUK_ERROR_API_INDEX(thr, index);
+ if (DUK_UNLIKELY(uidx > vs_limit)) {
+ DUK_ERROR_RANGE_INDEX(thr, idx);
return; /* unreachable */
}
#endif
- DUK_ASSERT(uindex <= vs_limit);
+ DUK_ASSERT(uidx <= vs_limit);
/* Handle change in value stack top. Respect value stack
* initialization policy: 'undefined' above top. Note that
@@ -15395,37 +16644,42 @@ DUK_EXTERNAL void duk_set_top(duk_context *ctx, duk_idx_t index) {
* so must relookup after DECREF.
*/
- if (uindex >= vs_size) {
+ if (uidx >= vs_size) {
/* Stack size increases or stays the same. */
#if defined(DUK_USE_ASSERTIONS)
duk_uidx_t count;
- count = uindex - vs_size;
+ count = uidx - vs_size;
while (count != 0) {
count--;
tv = thr->valstack_top + count;
DUK_ASSERT(DUK_TVAL_IS_UNDEFINED(tv));
}
#endif
- thr->valstack_top = thr->valstack_bottom + uindex;
+ thr->valstack_top = thr->valstack_bottom + uidx;
} else {
/* Stack size decreases. */
#if defined(DUK_USE_REFERENCE_COUNTING)
duk_uidx_t count;
+ duk_tval *tv_end;
- count = vs_size - uindex;
+ count = vs_size - uidx;
DUK_ASSERT(count > 0);
- while (count > 0) {
- count--;
- tv = --thr->valstack_top; /* tv -> value just before prev top value; must relookup */
+ tv = thr->valstack_top;
+ tv_end = tv - count;
+ DUK_ASSERT(tv > tv_end); /* Because count > 0. */
+ do {
+ tv--;
DUK_ASSERT(tv >= thr->valstack_bottom);
- DUK_TVAL_SET_UNDEFINED_UPDREF(thr, tv); /* side effects */
- }
+ DUK_TVAL_SET_UNDEFINED_UPDREF_NORZ(thr, tv);
+ } while (tv != tv_end);
+ thr->valstack_top = tv_end;
+ DUK_REFZERO_CHECK_FAST(thr);
#else /* DUK_USE_REFERENCE_COUNTING */
duk_uidx_t count;
duk_tval *tv_end;
- count = vs_size - uindex;
+ count = vs_size - uidx;
tv = thr->valstack_top;
tv_end = tv - count;
DUK_ASSERT(tv > tv_end);
@@ -15444,7 +16698,7 @@ DUK_EXTERNAL duk_idx_t duk_get_top_index(duk_context *ctx) {
DUK_ASSERT_CTX_VALID(ctx);
- ret = ((duk_idx_t) (thr->valstack_top - thr->valstack_bottom)) - 1;
+ ret = (duk_idx_t) (thr->valstack_top - thr->valstack_bottom) - 1;
if (DUK_UNLIKELY(ret < 0)) {
/* Return invalid index; if caller uses this without checking
* in another API call, the index won't map to a valid stack
@@ -15455,15 +16709,28 @@ DUK_EXTERNAL duk_idx_t duk_get_top_index(duk_context *ctx) {
return ret;
}
+/* Internal variant: call assumes there is at least one element on the value
+ * stack frame; this is only asserted for.
+ */
+DUK_INTERNAL duk_idx_t duk_get_top_index_unsafe(duk_context *ctx) {
+ duk_hthread *thr = (duk_hthread *) ctx;
+ duk_idx_t ret;
+
+ DUK_ASSERT_CTX_VALID(ctx);
+
+ ret = (duk_idx_t) (thr->valstack_top - thr->valstack_bottom) - 1;
+ return ret;
+}
+
DUK_EXTERNAL duk_idx_t duk_require_top_index(duk_context *ctx) {
duk_hthread *thr = (duk_hthread *) ctx;
duk_idx_t ret;
DUK_ASSERT_CTX_VALID(ctx);
- ret = ((duk_idx_t) (thr->valstack_top - thr->valstack_bottom)) - 1;
+ ret = (duk_idx_t) (thr->valstack_top - thr->valstack_bottom) - 1;
if (DUK_UNLIKELY(ret < 0)) {
- DUK_ERROR_API_INDEX(thr, -1);
+ DUK_ERROR_RANGE_INDEX(thr, -1);
return 0; /* unreachable */
}
return ret;
@@ -15496,7 +16763,7 @@ DUK_LOCAL duk_bool_t duk__resize_valstack(duk_context *ctx, duk_size_t new_size)
duk_ptrdiff_t old_bottom_offset;
duk_ptrdiff_t old_top_offset;
duk_ptrdiff_t old_end_offset_post;
-#ifdef DUK_USE_DEBUG
+#if defined(DUK_USE_DEBUG)
duk_ptrdiff_t old_end_offset_pre;
duk_tval *old_valstack_pre;
duk_tval *old_valstack_post;
@@ -15517,7 +16784,7 @@ DUK_LOCAL duk_bool_t duk__resize_valstack(duk_context *ctx, duk_size_t new_size)
/* get pointer offsets for tweaking below */
old_bottom_offset = (((duk_uint8_t *) thr->valstack_bottom) - ((duk_uint8_t *) thr->valstack));
old_top_offset = (((duk_uint8_t *) thr->valstack_top) - ((duk_uint8_t *) thr->valstack));
-#ifdef DUK_USE_DEBUG
+#if defined(DUK_USE_DEBUG)
old_end_offset_pre = (((duk_uint8_t *) thr->valstack_end) - ((duk_uint8_t *) thr->valstack)); /* not very useful, used for debugging */
old_valstack_pre = thr->valstack;
#endif
@@ -15563,7 +16830,7 @@ DUK_LOCAL duk_bool_t duk__resize_valstack(duk_context *ctx, duk_size_t new_size)
/* success, fixup pointers */
old_end_offset_post = (((duk_uint8_t *) thr->valstack_end) - ((duk_uint8_t *) thr->valstack)); /* must be computed after realloc */
-#ifdef DUK_USE_DEBUG
+#if defined(DUK_USE_DEBUG)
old_valstack_post = thr->valstack;
#endif
thr->valstack = new_valstack;
@@ -15579,7 +16846,7 @@ DUK_LOCAL duk_bool_t duk__resize_valstack(duk_context *ctx, duk_size_t new_size)
DUK_ASSERT(thr->valstack_end >= thr->valstack_top);
/* useful for debugging */
-#ifdef DUK_USE_DEBUG
+#if defined(DUK_USE_DEBUG)
if (old_end_offset_pre != old_end_offset_post) {
DUK_D(DUK_DPRINT("valstack was resized during valstack_resize(), probably by mark-and-sweep; "
"end offset changed: %lu -> %lu",
@@ -15711,7 +16978,7 @@ duk_bool_t duk_valstack_resize_raw(duk_context *ctx,
DUK_DD(DUK_DDPRINT("valstack resize failed"));
if (throw_flag) {
- DUK_ERROR_ALLOC_DEFMSG(thr);
+ DUK_ERROR_ALLOC_FAILED(thr);
} else {
return 0;
}
@@ -15809,16 +17076,16 @@ DUK_EXTERNAL void duk_require_stack_top(duk_context *ctx, duk_idx_t top) {
* Basic stack manipulation: swap, dup, insert, replace, etc
*/
-DUK_EXTERNAL void duk_swap(duk_context *ctx, duk_idx_t index1, duk_idx_t index2) {
+DUK_EXTERNAL void duk_swap(duk_context *ctx, duk_idx_t idx1, duk_idx_t idx2) {
duk_tval *tv1;
duk_tval *tv2;
duk_tval tv_tmp;
DUK_ASSERT_CTX_VALID(ctx);
- tv1 = duk_require_tval(ctx, index1);
+ tv1 = duk_require_tval(ctx, idx1);
DUK_ASSERT(tv1 != NULL);
- tv2 = duk_require_tval(ctx, index2);
+ tv2 = duk_require_tval(ctx, idx2);
DUK_ASSERT(tv2 != NULL);
/* If tv1==tv2 this is a NOP, no check is needed */
@@ -15827,13 +17094,13 @@ DUK_EXTERNAL void duk_swap(duk_context *ctx, duk_idx_t index1, duk_idx_t index2)
DUK_TVAL_SET_TVAL(tv2, &tv_tmp);
}
-DUK_EXTERNAL void duk_swap_top(duk_context *ctx, duk_idx_t index) {
+DUK_EXTERNAL void duk_swap_top(duk_context *ctx, duk_idx_t idx) {
DUK_ASSERT_CTX_VALID(ctx);
- duk_swap(ctx, index, -1);
+ duk_swap(ctx, idx, -1);
}
-DUK_EXTERNAL void duk_dup(duk_context *ctx, duk_idx_t from_index) {
+DUK_EXTERNAL void duk_dup(duk_context *ctx, duk_idx_t from_idx) {
duk_hthread *thr;
duk_tval *tv_from;
duk_tval *tv_to;
@@ -15842,7 +17109,7 @@ DUK_EXTERNAL void duk_dup(duk_context *ctx, duk_idx_t from_index) {
thr = (duk_hthread *) ctx;
DUK__CHECK_SPACE();
- tv_from = duk_require_tval(ctx, from_index);
+ tv_from = duk_require_tval(ctx, from_idx);
tv_to = thr->valstack_top++;
DUK_ASSERT(tv_from != NULL);
DUK_ASSERT(tv_to != NULL);
@@ -15851,6 +17118,9 @@ DUK_EXTERNAL void duk_dup(duk_context *ctx, duk_idx_t from_index) {
}
DUK_EXTERNAL void duk_dup_top(duk_context *ctx) {
+#if defined(DUK_USE_PREFER_SIZE)
+ duk_dup(ctx, -1);
+#else
duk_hthread *thr;
duk_tval *tv_from;
duk_tval *tv_to;
@@ -15860,7 +17130,7 @@ DUK_EXTERNAL void duk_dup_top(duk_context *ctx) {
DUK__CHECK_SPACE();
if (thr->valstack_top - thr->valstack_bottom <= 0) {
- DUK_ERROR_API_INDEX(thr, -1);
+ DUK_ERROR_RANGE_INDEX(thr, -1);
return; /* unreachable */
}
tv_from = thr->valstack_top - 1;
@@ -15869,9 +17139,29 @@ DUK_EXTERNAL void duk_dup_top(duk_context *ctx) {
DUK_ASSERT(tv_to != NULL);
DUK_TVAL_SET_TVAL(tv_to, tv_from);
DUK_TVAL_INCREF(thr, tv_to); /* no side effects */
+#endif
+}
+
+DUK_INTERNAL void duk_dup_0(duk_context *ctx) {
+ duk_dup(ctx, 0);
+}
+DUK_INTERNAL void duk_dup_1(duk_context *ctx) {
+ duk_dup(ctx, 1);
+}
+DUK_INTERNAL void duk_dup_2(duk_context *ctx) {
+ duk_dup(ctx, 2);
+}
+DUK_INTERNAL void duk_dup_m2(duk_context *ctx) {
+ duk_dup(ctx, -2);
+}
+DUK_INTERNAL void duk_dup_m3(duk_context *ctx) {
+ duk_dup(ctx, -3);
+}
+DUK_INTERNAL void duk_dup_m4(duk_context *ctx) {
+ duk_dup(ctx, -4);
}
-DUK_EXTERNAL void duk_insert(duk_context *ctx, duk_idx_t to_index) {
+DUK_EXTERNAL void duk_insert(duk_context *ctx, duk_idx_t to_idx) {
duk_tval *p;
duk_tval *q;
duk_tval tv_tmp;
@@ -15879,7 +17169,7 @@ DUK_EXTERNAL void duk_insert(duk_context *ctx, duk_idx_t to_index) {
DUK_ASSERT_CTX_VALID(ctx);
- p = duk_require_tval(ctx, to_index);
+ p = duk_require_tval(ctx, to_idx);
DUK_ASSERT(p != NULL);
q = duk_require_tval(ctx, -1);
DUK_ASSERT(q != NULL);
@@ -15894,8 +17184,8 @@ DUK_EXTERNAL void duk_insert(duk_context *ctx, duk_idx_t to_index) {
nbytes = (duk_size_t) (((duk_uint8_t *) q) - ((duk_uint8_t *) p)); /* Note: 'q' is top-1 */
- DUK_DDD(DUK_DDDPRINT("duk_insert: to_index=%ld, p=%p, q=%p, nbytes=%lu",
- (long) to_index, (void *) p, (void *) q, (unsigned long) nbytes));
+ DUK_DDD(DUK_DDDPRINT("duk_insert: to_idx=%ld, p=%p, q=%p, nbytes=%lu",
+ (long) to_idx, (void *) p, (void *) q, (unsigned long) nbytes));
/* No net refcount changes. */
@@ -15911,7 +17201,7 @@ DUK_EXTERNAL void duk_insert(duk_context *ctx, duk_idx_t to_index) {
}
}
-DUK_EXTERNAL void duk_replace(duk_context *ctx, duk_idx_t to_index) {
+DUK_EXTERNAL void duk_replace(duk_context *ctx, duk_idx_t to_idx) {
duk_hthread *thr = (duk_hthread *) ctx;
duk_tval *tv1;
duk_tval *tv2;
@@ -15921,7 +17211,7 @@ DUK_EXTERNAL void duk_replace(duk_context *ctx, duk_idx_t to_index) {
tv1 = duk_require_tval(ctx, -1);
DUK_ASSERT(tv1 != NULL);
- tv2 = duk_require_tval(ctx, to_index);
+ tv2 = duk_require_tval(ctx, to_idx);
DUK_ASSERT(tv2 != NULL);
/* For tv1 == tv2, both pointing to stack top, the end result
@@ -15934,7 +17224,7 @@ DUK_EXTERNAL void duk_replace(duk_context *ctx, duk_idx_t to_index) {
DUK_TVAL_DECREF(thr, &tv_tmp); /* side effects */
}
-DUK_EXTERNAL void duk_copy(duk_context *ctx, duk_idx_t from_index, duk_idx_t to_index) {
+DUK_EXTERNAL void duk_copy(duk_context *ctx, duk_idx_t from_idx, duk_idx_t to_idx) {
duk_hthread *thr = (duk_hthread *) ctx;
duk_tval *tv1;
duk_tval *tv2;
@@ -15942,27 +17232,27 @@ DUK_EXTERNAL void duk_copy(duk_context *ctx, duk_idx_t from_index, duk_idx_t to_
DUK_ASSERT_CTX_VALID(ctx);
DUK_UNREF(thr); /* w/o refcounting */
- tv1 = duk_require_tval(ctx, from_index);
+ tv1 = duk_require_tval(ctx, from_idx);
DUK_ASSERT(tv1 != NULL);
- tv2 = duk_require_tval(ctx, to_index);
+ tv2 = duk_require_tval(ctx, to_idx);
DUK_ASSERT(tv2 != NULL);
/* For tv1 == tv2, this is a no-op (no explicit check needed). */
DUK_TVAL_SET_TVAL_UPDREF(thr, tv2, tv1); /* side effects */
}
-DUK_EXTERNAL void duk_remove(duk_context *ctx, duk_idx_t index) {
+DUK_EXTERNAL void duk_remove(duk_context *ctx, duk_idx_t idx) {
duk_hthread *thr = (duk_hthread *) ctx;
duk_tval *p;
duk_tval *q;
-#ifdef DUK_USE_REFERENCE_COUNTING
+#if defined(DUK_USE_REFERENCE_COUNTING)
duk_tval tv_tmp;
#endif
duk_size_t nbytes;
DUK_ASSERT_CTX_VALID(ctx);
- p = duk_require_tval(ctx, index);
+ p = duk_require_tval(ctx, idx);
DUK_ASSERT(p != NULL);
q = duk_require_tval(ctx, -1);
DUK_ASSERT(q != NULL);
@@ -15975,7 +17265,7 @@ DUK_EXTERNAL void duk_remove(duk_context *ctx, duk_idx_t index) {
* => [ ... | x | x | q ] [ ... ]
*/
-#ifdef DUK_USE_REFERENCE_COUNTING
+#if defined(DUK_USE_REFERENCE_COUNTING)
/* use a temp: decref only when valstack reachable values are correct */
DUK_TVAL_SET_TVAL(&tv_tmp, p);
#endif
@@ -15986,11 +17276,15 @@ DUK_EXTERNAL void duk_remove(duk_context *ctx, duk_idx_t index) {
DUK_TVAL_SET_UNDEFINED(q);
thr->valstack_top--;
-#ifdef DUK_USE_REFERENCE_COUNTING
+#if defined(DUK_USE_REFERENCE_COUNTING)
DUK_TVAL_DECREF(thr, &tv_tmp); /* side effects */
#endif
}
+DUK_INTERNAL_DECL void duk_remove_m2(duk_context *ctx) {
+ duk_remove(ctx, -2);
+}
+
/*
* Stack slice primitives
*/
@@ -16011,13 +17305,13 @@ DUK_EXTERNAL void duk_xcopymove_raw(duk_context *to_ctx, duk_context *from_ctx,
DUK_ASSERT(from_ctx != NULL);
if (to_ctx == from_ctx) {
- DUK_ERROR_API(to_thr, DUK_STR_INVALID_CONTEXT);
+ DUK_ERROR_TYPE(to_thr, DUK_STR_INVALID_CONTEXT);
return;
}
if ((count < 0) ||
(count > (duk_idx_t) to_thr->valstack_max)) {
/* Maximum value check ensures 'nbytes' won't wrap below. */
- DUK_ERROR_API(to_thr, DUK_STR_INVALID_COUNT);
+ DUK_ERROR_RANGE_INVALID_COUNT(to_thr);
return;
}
@@ -16027,11 +17321,11 @@ DUK_EXTERNAL void duk_xcopymove_raw(duk_context *to_ctx, duk_context *from_ctx,
}
DUK_ASSERT(to_thr->valstack_top <= to_thr->valstack_end);
if ((duk_size_t) ((duk_uint8_t *) to_thr->valstack_end - (duk_uint8_t *) to_thr->valstack_top) < nbytes) {
- DUK_ERROR_API(to_thr, DUK_STR_PUSH_BEYOND_ALLOC_STACK);
+ DUK_ERROR_RANGE_PUSH_BEYOND(to_thr);
}
src = (void *) ((duk_uint8_t *) from_thr->valstack_top - nbytes);
if (src < (void *) from_thr->valstack_bottom) {
- DUK_ERROR_API(to_thr, DUK_STR_INVALID_COUNT);
+ DUK_ERROR_RANGE_INVALID_COUNT(to_thr);
}
/* copy values (no overlap even if to_ctx == from_ctx; that's not
@@ -16068,42 +17362,41 @@ DUK_EXTERNAL void duk_xcopymove_raw(duk_context *to_ctx, duk_context *from_ctx,
* Get/require
*/
-DUK_EXTERNAL void duk_require_undefined(duk_context *ctx, duk_idx_t index) {
+DUK_EXTERNAL void duk_require_undefined(duk_context *ctx, duk_idx_t idx) {
duk_hthread *thr = (duk_hthread *) ctx;
duk_tval *tv;
DUK_ASSERT_CTX_VALID(ctx);
- tv = duk_get_tval(ctx, index);
- if (tv && DUK_TVAL_IS_UNDEFINED(tv)) {
- return;
+ tv = duk_get_tval_or_unused(ctx, idx);
+ DUK_ASSERT(tv != NULL);
+ if (!DUK_TVAL_IS_UNDEFINED(tv)) {
+ DUK_ERROR_REQUIRE_TYPE_INDEX(thr, idx, "undefined", DUK_STR_NOT_UNDEFINED);
}
- DUK_ERROR_REQUIRE_TYPE_INDEX(thr, index, "undefined", DUK_STR_NOT_UNDEFINED);
- return; /* not reachable */
}
-DUK_EXTERNAL void duk_require_null(duk_context *ctx, duk_idx_t index) {
+DUK_EXTERNAL void duk_require_null(duk_context *ctx, duk_idx_t idx) {
duk_hthread *thr = (duk_hthread *) ctx;
duk_tval *tv;
DUK_ASSERT_CTX_VALID(ctx);
- tv = duk_get_tval(ctx, index);
- if (tv && DUK_TVAL_IS_NULL(tv)) {
- return;
+ tv = duk_get_tval_or_unused(ctx, idx);
+ DUK_ASSERT(tv != NULL);
+ if (!DUK_TVAL_IS_NULL(tv)) {
+ DUK_ERROR_REQUIRE_TYPE_INDEX(thr, idx, "null", DUK_STR_NOT_NULL);
}
- DUK_ERROR_REQUIRE_TYPE_INDEX(thr, index, "null", DUK_STR_NOT_NULL);
- return; /* not reachable */
}
-DUK_EXTERNAL duk_bool_t duk_get_boolean(duk_context *ctx, duk_idx_t index) {
+DUK_EXTERNAL duk_bool_t duk_get_boolean(duk_context *ctx, duk_idx_t idx) {
duk_bool_t ret = 0; /* default: false */
duk_tval *tv;
DUK_ASSERT_CTX_VALID(ctx);
- tv = duk_get_tval(ctx, index);
- if (tv && DUK_TVAL_IS_BOOLEAN(tv)) {
+ tv = duk_get_tval_or_unused(ctx, idx);
+ DUK_ASSERT(tv != NULL);
+ if (DUK_TVAL_IS_BOOLEAN(tv)) {
ret = DUK_TVAL_GET_BOOLEAN(tv);
}
@@ -16111,91 +17404,92 @@ DUK_EXTERNAL duk_bool_t duk_get_boolean(duk_context *ctx, duk_idx_t index) {
return ret;
}
-DUK_EXTERNAL duk_bool_t duk_require_boolean(duk_context *ctx, duk_idx_t index) {
+DUK_EXTERNAL duk_bool_t duk_require_boolean(duk_context *ctx, duk_idx_t idx) {
duk_hthread *thr = (duk_hthread *) ctx;
duk_tval *tv;
+ duk_bool_t ret;
DUK_ASSERT_CTX_VALID(ctx);
- tv = duk_get_tval(ctx, index);
- if (tv && DUK_TVAL_IS_BOOLEAN(tv)) {
- duk_bool_t ret = DUK_TVAL_GET_BOOLEAN(tv);
- DUK_ASSERT(ret == 0 || ret == 1);
- return ret;
+ tv = duk_get_tval_or_unused(ctx, idx);
+ DUK_ASSERT(tv != NULL);
+ if (!DUK_TVAL_IS_BOOLEAN(tv)) {
+ DUK_ERROR_REQUIRE_TYPE_INDEX(thr, idx, "boolean", DUK_STR_NOT_BOOLEAN);
}
- DUK_ERROR_REQUIRE_TYPE_INDEX(thr, index, "boolean", DUK_STR_NOT_BOOLEAN);
- return 0; /* not reachable */
+ ret = DUK_TVAL_GET_BOOLEAN(tv);
+ DUK_ASSERT(ret == 0 || ret == 1);
+ return ret;
}
-DUK_EXTERNAL duk_double_t duk_get_number(duk_context *ctx, duk_idx_t index) {
+DUK_EXTERNAL duk_double_t duk_get_number(duk_context *ctx, duk_idx_t idx) {
duk_double_union ret;
duk_tval *tv;
DUK_ASSERT_CTX_VALID(ctx);
ret.d = DUK_DOUBLE_NAN; /* default: NaN */
- tv = duk_get_tval(ctx, index);
- if (tv && DUK_TVAL_IS_NUMBER(tv)) {
+ tv = duk_get_tval_or_unused(ctx, idx);
+ DUK_ASSERT(tv != NULL);
+ if (DUK_TVAL_IS_NUMBER(tv)) {
ret.d = DUK_TVAL_GET_NUMBER(tv);
}
- /*
- * Number should already be in NaN-normalized form, but let's
- * normalize anyway.
+ /* When using packed duk_tval, number must be in NaN-normalized form
+ * for it to be a duk_tval, so no need to normalize. NOP for unpacked
+ * duk_tval.
*/
-
- DUK_DBLUNION_NORMALIZE_NAN_CHECK(&ret);
+ DUK_ASSERT(DUK_DBLUNION_IS_NORMALIZED(&ret));
return ret.d;
}
-DUK_EXTERNAL duk_double_t duk_require_number(duk_context *ctx, duk_idx_t index) {
+DUK_EXTERNAL duk_double_t duk_require_number(duk_context *ctx, duk_idx_t idx) {
duk_hthread *thr = (duk_hthread *) ctx;
duk_tval *tv;
+ duk_double_union ret;
DUK_ASSERT_CTX_VALID(ctx);
- tv = duk_get_tval(ctx, index);
- if (tv && DUK_TVAL_IS_NUMBER(tv)) {
- duk_double_union ret;
- ret.d = DUK_TVAL_GET_NUMBER(tv);
+ tv = duk_get_tval_or_unused(ctx, idx);
+ DUK_ASSERT(tv != NULL);
+ if (!DUK_TVAL_IS_NUMBER(tv)) {
+ DUK_ERROR_REQUIRE_TYPE_INDEX(thr, idx, "number", DUK_STR_NOT_NUMBER);
+ }
- /*
- * Number should already be in NaN-normalized form,
- * but let's normalize anyway.
- */
+ ret.d = DUK_TVAL_GET_NUMBER(tv);
- DUK_DBLUNION_NORMALIZE_NAN_CHECK(&ret);
- return ret.d;
- }
- DUK_ERROR_REQUIRE_TYPE_INDEX(thr, index, "number", DUK_STR_NOT_NUMBER);
- return DUK_DOUBLE_NAN; /* not reachable */
+ /* When using packed duk_tval, number must be in NaN-normalized form
+ * for it to be a duk_tval, so no need to normalize. NOP for unpacked
+ * duk_tval.
+ */
+ DUK_ASSERT(DUK_DBLUNION_IS_NORMALIZED(&ret));
+ return ret.d;
}
-DUK_EXTERNAL duk_int_t duk_get_int(duk_context *ctx, duk_idx_t index) {
+DUK_EXTERNAL duk_int_t duk_get_int(duk_context *ctx, duk_idx_t idx) {
/* Custom coercion for API */
DUK_ASSERT_CTX_VALID(ctx);
- return (duk_int_t) duk__api_coerce_d2i(ctx, index, 0 /*require*/);
+ return (duk_int_t) duk__api_coerce_d2i(ctx, idx, 0 /*require*/);
}
-DUK_EXTERNAL duk_uint_t duk_get_uint(duk_context *ctx, duk_idx_t index) {
+DUK_EXTERNAL duk_uint_t duk_get_uint(duk_context *ctx, duk_idx_t idx) {
/* Custom coercion for API */
DUK_ASSERT_CTX_VALID(ctx);
- return (duk_uint_t) duk__api_coerce_d2ui(ctx, index, 0 /*require*/);
+ return (duk_uint_t) duk__api_coerce_d2ui(ctx, idx, 0 /*require*/);
}
-DUK_EXTERNAL duk_int_t duk_require_int(duk_context *ctx, duk_idx_t index) {
+DUK_EXTERNAL duk_int_t duk_require_int(duk_context *ctx, duk_idx_t idx) {
/* Custom coercion for API */
DUK_ASSERT_CTX_VALID(ctx);
- return (duk_int_t) duk__api_coerce_d2i(ctx, index, 1 /*require*/);
+ return (duk_int_t) duk__api_coerce_d2i(ctx, idx, 1 /*require*/);
}
-DUK_EXTERNAL duk_uint_t duk_require_uint(duk_context *ctx, duk_idx_t index) {
+DUK_EXTERNAL duk_uint_t duk_require_uint(duk_context *ctx, duk_idx_t idx) {
/* Custom coercion for API */
DUK_ASSERT_CTX_VALID(ctx);
- return (duk_uint_t) duk__api_coerce_d2ui(ctx, index, 1 /*require*/);
+ return (duk_uint_t) duk__api_coerce_d2ui(ctx, idx, 1 /*require*/);
}
-DUK_EXTERNAL const char *duk_get_lstring(duk_context *ctx, duk_idx_t index, duk_size_t *out_len) {
+DUK_EXTERNAL const char *duk_get_lstring(duk_context *ctx, duk_idx_t idx, duk_size_t *out_len) {
const char *ret;
duk_tval *tv;
@@ -16207,8 +17501,9 @@ DUK_EXTERNAL const char *duk_get_lstring(duk_context *ctx, duk_idx_t index, duk_
*out_len = 0;
}
- tv = duk_get_tval(ctx, index);
- if (tv && DUK_TVAL_IS_STRING(tv)) {
+ tv = duk_get_tval_or_unused(ctx, idx);
+ DUK_ASSERT(tv != NULL);
+ if (DUK_TVAL_IS_STRING(tv)) {
/* Here we rely on duk_hstring instances always being zero
* terminated even if the actual string is not.
*/
@@ -16223,87 +17518,125 @@ DUK_EXTERNAL const char *duk_get_lstring(duk_context *ctx, duk_idx_t index, duk_
return ret;
}
-DUK_EXTERNAL const char *duk_require_lstring(duk_context *ctx, duk_idx_t index, duk_size_t *out_len) {
- duk_hthread *thr = (duk_hthread *) ctx;
- const char *ret;
+DUK_EXTERNAL const char *duk_require_lstring(duk_context *ctx, duk_idx_t idx, duk_size_t *out_len) {
+ duk_hstring *h;
DUK_ASSERT_CTX_VALID(ctx);
- /* Note: this check relies on the fact that even a zero-size string
- * has a non-NULL pointer.
- */
- ret = duk_get_lstring(ctx, index, out_len);
- if (ret) {
- return ret;
+ h = duk_require_hstring(ctx, idx);
+ DUK_ASSERT(h != NULL);
+ if (out_len) {
+ *out_len = DUK_HSTRING_GET_BYTELEN(h);
+ }
+ return (const char *) DUK_HSTRING_GET_DATA(h);
+}
+
+DUK_INTERNAL const char *duk_require_lstring_notsymbol(duk_context *ctx, duk_idx_t idx, duk_size_t *out_len) {
+ duk_hstring *h;
+
+ DUK_ASSERT_CTX_VALID(ctx);
+
+ h = duk_require_hstring_notsymbol(ctx, idx);
+ DUK_ASSERT(h != NULL);
+ if (out_len) {
+ *out_len = DUK_HSTRING_GET_BYTELEN(h);
+ }
+ return (const char *) DUK_HSTRING_GET_DATA(h);
+}
+
+DUK_EXTERNAL const char *duk_get_string(duk_context *ctx, duk_idx_t idx) {
+ DUK_ASSERT_CTX_VALID(ctx);
+
+ return duk_get_lstring(ctx, idx, NULL);
+}
+
+DUK_INTERNAL const char *duk_get_string_notsymbol(duk_context *ctx, duk_idx_t idx) {
+ duk_hstring *h;
+
+ DUK_ASSERT_CTX_VALID(ctx);
+
+ h = duk_get_hstring_notsymbol(ctx, idx);
+ if (h) {
+ return (const char *) DUK_HSTRING_GET_DATA(h);
+ } else {
+ return NULL;
}
- DUK_ERROR_REQUIRE_TYPE_INDEX(thr, index, "string", DUK_STR_NOT_STRING);
- return NULL; /* not reachable */
}
-DUK_EXTERNAL const char *duk_get_string(duk_context *ctx, duk_idx_t index) {
+DUK_EXTERNAL const char *duk_require_string(duk_context *ctx, duk_idx_t idx) {
DUK_ASSERT_CTX_VALID(ctx);
- return duk_get_lstring(ctx, index, NULL);
+ return duk_require_lstring(ctx, idx, NULL);
}
-DUK_EXTERNAL const char *duk_require_string(duk_context *ctx, duk_idx_t index) {
+DUK_INTERNAL const char *duk_require_string_notsymbol(duk_context *ctx, duk_idx_t idx) {
+ duk_hstring *h;
+
DUK_ASSERT_CTX_VALID(ctx);
- return duk_require_lstring(ctx, index, NULL);
+ h = duk_require_hstring_notsymbol(ctx, idx);
+ DUK_ASSERT(h != NULL);
+ return (const char *) DUK_HSTRING_GET_DATA(h);
}
-DUK_EXTERNAL void *duk_get_pointer(duk_context *ctx, duk_idx_t index) {
+DUK_EXTERNAL void *duk_get_pointer(duk_context *ctx, duk_idx_t idx) {
duk_tval *tv;
+ void *p;
DUK_ASSERT_CTX_VALID(ctx);
- tv = duk_get_tval(ctx, index);
- if (tv && DUK_TVAL_IS_POINTER(tv)) {
- void *p = DUK_TVAL_GET_POINTER(tv); /* may be NULL */
- return (void *) p;
+ tv = duk_get_tval_or_unused(ctx, idx);
+ DUK_ASSERT(tv != NULL);
+ if (!DUK_TVAL_IS_POINTER(tv)) {
+ return NULL;
}
- return NULL;
+ p = DUK_TVAL_GET_POINTER(tv); /* may be NULL */
+ return p;
}
-DUK_EXTERNAL void *duk_require_pointer(duk_context *ctx, duk_idx_t index) {
+DUK_EXTERNAL void *duk_require_pointer(duk_context *ctx, duk_idx_t idx) {
duk_hthread *thr = (duk_hthread *) ctx;
duk_tval *tv;
+ void *p;
DUK_ASSERT_CTX_VALID(ctx);
/* Note: here we must be wary of the fact that a pointer may be
* valid and be a NULL.
*/
- tv = duk_get_tval(ctx, index);
- if (tv && DUK_TVAL_IS_POINTER(tv)) {
- void *p = DUK_TVAL_GET_POINTER(tv); /* may be NULL */
- return (void *) p;
+ tv = duk_get_tval_or_unused(ctx, idx);
+ DUK_ASSERT(tv != NULL);
+ if (!DUK_TVAL_IS_POINTER(tv)) {
+ DUK_ERROR_REQUIRE_TYPE_INDEX(thr, idx, "pointer", DUK_STR_NOT_POINTER);
}
- DUK_ERROR_REQUIRE_TYPE_INDEX(thr, index, "pointer", DUK_STR_NOT_POINTER);
- return NULL; /* not reachable */
+ p = DUK_TVAL_GET_POINTER(tv); /* may be NULL */
+ return p;
}
#if 0 /*unused*/
-DUK_INTERNAL void *duk_get_voidptr(duk_context *ctx, duk_idx_t index) {
+DUK_INTERNAL void *duk_get_voidptr(duk_context *ctx, duk_idx_t idx) {
duk_tval *tv;
+ duk_heaphdr *h;
DUK_ASSERT_CTX_VALID(ctx);
- tv = duk_get_tval(ctx, index);
- if (tv && DUK_TVAL_IS_HEAP_ALLOCATED(tv)) {
- duk_heaphdr *h = DUK_TVAL_GET_HEAPHDR(tv);
- DUK_ASSERT(h != NULL);
- return (void *) h;
+ tv = duk_get_tval_or_unused(ctx, idx);
+ DUK_ASSERT(tv != NULL);
+ if (!DUK_TVAL_IS_HEAP_ALLOCATED(tv)) {
+ return NULL;
}
- return NULL;
+ h = DUK_TVAL_GET_HEAPHDR(tv);
+ DUK_ASSERT(h != NULL);
+ return (void *) h;
}
#endif
-DUK_LOCAL void *duk__get_buffer_helper(duk_context *ctx, duk_idx_t index, duk_size_t *out_size, duk_bool_t throw_flag) {
+DUK_LOCAL void *duk__get_buffer_helper(duk_context *ctx, duk_idx_t idx, duk_size_t *out_size, duk_bool_t throw_flag) {
duk_hthread *thr = (duk_hthread *) ctx;
duk_tval *tv;
+ duk_hbuffer *h;
DUK_ASSERT_CTX_VALID(ctx);
DUK_UNREF(thr);
@@ -16312,90 +17645,105 @@ DUK_LOCAL void *duk__get_buffer_helper(duk_context *ctx, duk_idx_t index, duk_si
*out_size = 0;
}
- tv = duk_get_tval(ctx, index);
- if (tv && DUK_TVAL_IS_BUFFER(tv)) {
- duk_hbuffer *h = DUK_TVAL_GET_BUFFER(tv);
- DUK_ASSERT(h != NULL);
- if (out_size) {
- *out_size = DUK_HBUFFER_GET_SIZE(h);
+ tv = duk_get_tval_or_unused(ctx, idx);
+ DUK_ASSERT(tv != NULL);
+ if (!DUK_TVAL_IS_BUFFER(tv)) {
+ if (throw_flag) {
+ DUK_ERROR_REQUIRE_TYPE_INDEX(thr, idx, "buffer", DUK_STR_NOT_BUFFER);
}
- return (void *) DUK_HBUFFER_GET_DATA_PTR(thr->heap, h); /* may be NULL (but only if size is 0) */
+ return NULL;
}
- if (throw_flag) {
- DUK_ERROR_REQUIRE_TYPE_INDEX(thr, index, "buffer", DUK_STR_NOT_BUFFER);
+ h = DUK_TVAL_GET_BUFFER(tv);
+ DUK_ASSERT(h != NULL);
+ if (out_size) {
+ *out_size = DUK_HBUFFER_GET_SIZE(h);
}
- return NULL;
+ return (void *) DUK_HBUFFER_GET_DATA_PTR(thr->heap, h); /* may be NULL (but only if size is 0) */
}
-DUK_EXTERNAL void *duk_get_buffer(duk_context *ctx, duk_idx_t index, duk_size_t *out_size) {
- return duk__get_buffer_helper(ctx, index, out_size, 0 /*throw_flag*/);
+DUK_EXTERNAL void *duk_get_buffer(duk_context *ctx, duk_idx_t idx, duk_size_t *out_size) {
+ return duk__get_buffer_helper(ctx, idx, out_size, 0 /*throw_flag*/);
}
-DUK_EXTERNAL void *duk_require_buffer(duk_context *ctx, duk_idx_t index, duk_size_t *out_size) {
- return duk__get_buffer_helper(ctx, index, out_size, 1 /*throw_flag*/);
+DUK_EXTERNAL void *duk_require_buffer(duk_context *ctx, duk_idx_t idx, duk_size_t *out_size) {
+ return duk__get_buffer_helper(ctx, idx, out_size, 1 /*throw_flag*/);
}
-DUK_LOCAL void *duk__get_buffer_data_helper(duk_context *ctx, duk_idx_t index, duk_size_t *out_size, duk_bool_t throw_flag) {
+/* Get the active buffer data area for a plain buffer or a buffer object.
+ * Return NULL if the the value is not a buffer. Note that a buffer may
+ * have a NULL data pointer when its size is zero, the optional 'out_isbuffer'
+ * argument allows caller to detect this reliably.
+ */
+DUK_INTERNAL void *duk_get_buffer_data_raw(duk_context *ctx, duk_idx_t idx, duk_size_t *out_size, duk_bool_t throw_flag, duk_bool_t *out_isbuffer) {
duk_hthread *thr = (duk_hthread *) ctx;
duk_tval *tv;
DUK_ASSERT_CTX_VALID(ctx);
DUK_UNREF(thr);
+ if (out_isbuffer != NULL) {
+ *out_isbuffer = 0;
+ }
if (out_size != NULL) {
*out_size = 0;
}
- tv = duk_get_tval(ctx, index);
- if (tv == NULL) {
- goto fail;
- }
+ tv = duk_get_tval_or_unused(ctx, idx);
+ DUK_ASSERT(tv != NULL);
if (DUK_TVAL_IS_BUFFER(tv)) {
duk_hbuffer *h = DUK_TVAL_GET_BUFFER(tv);
DUK_ASSERT(h != NULL);
- if (out_size) {
+ if (out_size != NULL) {
*out_size = DUK_HBUFFER_GET_SIZE(h);
}
+ if (out_isbuffer != NULL) {
+ *out_isbuffer = 1;
+ }
return (void *) DUK_HBUFFER_GET_DATA_PTR(thr->heap, h); /* may be NULL (but only if size is 0) */
- } else if (DUK_TVAL_IS_OBJECT(tv)) {
+ }
+#if defined(DUK_USE_BUFFEROBJECT_SUPPORT)
+ else if (DUK_TVAL_IS_OBJECT(tv)) {
duk_hobject *h = DUK_TVAL_GET_OBJECT(tv);
DUK_ASSERT(h != NULL);
- if (DUK_HOBJECT_IS_BUFFEROBJECT(h)) {
+ if (DUK_HOBJECT_IS_BUFOBJ(h)) {
/* XXX: this is probably a useful shared helper: for a
- * duk_hbufferobject, get a validated buffer pointer/length.
+ * duk_hbufobj, get a validated buffer pointer/length.
*/
- duk_hbufferobject *h_bufobj = (duk_hbufferobject *) h;
- DUK_ASSERT_HBUFFEROBJECT_VALID(h_bufobj);
+ duk_hbufobj *h_bufobj = (duk_hbufobj *) h;
+ DUK_ASSERT_HBUFOBJ_VALID(h_bufobj);
if (h_bufobj->buf != NULL &&
- DUK_HBUFFEROBJECT_VALID_SLICE(h_bufobj)) {
+ DUK_HBUFOBJ_VALID_SLICE(h_bufobj)) {
duk_uint8_t *p;
p = (duk_uint8_t *) DUK_HBUFFER_GET_DATA_PTR(thr->heap, h_bufobj->buf);
if (out_size != NULL) {
*out_size = (duk_size_t) h_bufobj->length;
}
+ if (out_isbuffer != NULL) {
+ *out_isbuffer = 1;
+ }
return (void *) (p + h_bufobj->offset);
}
/* if slice not fully valid, treat as error */
}
}
+#endif /* DUK_USE_BUFFEROBJECT_SUPPORT */
- fail:
if (throw_flag) {
- DUK_ERROR_REQUIRE_TYPE_INDEX(thr, index, "buffer", DUK_STR_NOT_BUFFER);
+ DUK_ERROR_REQUIRE_TYPE_INDEX(thr, idx, "buffer", DUK_STR_NOT_BUFFER);
}
return NULL;
}
-DUK_EXTERNAL void *duk_get_buffer_data(duk_context *ctx, duk_idx_t index, duk_size_t *out_size) {
- return duk__get_buffer_data_helper(ctx, index, out_size, 0 /*throw_flag*/);
+DUK_EXTERNAL void *duk_get_buffer_data(duk_context *ctx, duk_idx_t idx, duk_size_t *out_size) {
+ return duk_get_buffer_data_raw(ctx, idx, out_size, 0 /*throw_flag*/, NULL);
}
-DUK_EXTERNAL void *duk_require_buffer_data(duk_context *ctx, duk_idx_t index, duk_size_t *out_size) {
- return duk__get_buffer_data_helper(ctx, index, out_size, 1 /*throw_flag*/);
+DUK_EXTERNAL void *duk_require_buffer_data(duk_context *ctx, duk_idx_t idx, duk_size_t *out_size) {
+ return duk_get_buffer_data_raw(ctx, idx, out_size, 1 /*throw_flag*/, NULL);
}
/* Raw helper for getting a value from the stack, checking its tag.
@@ -16403,290 +17751,301 @@ DUK_EXTERNAL void *duk_require_buffer_data(duk_context *ctx, duk_idx_t index, du
* tag in the packed representation.
*/
-DUK_LOCAL duk_heaphdr *duk__get_tagged_heaphdr_raw(duk_context *ctx, duk_idx_t index, duk_uint_t tag) {
+DUK_LOCAL duk_heaphdr *duk__get_tagged_heaphdr_raw(duk_context *ctx, duk_idx_t idx, duk_uint_t tag) {
duk_tval *tv;
+ duk_heaphdr *ret;
DUK_ASSERT_CTX_VALID(ctx);
- tv = duk_get_tval(ctx, index);
- if (tv && (DUK_TVAL_GET_TAG(tv) == tag)) {
- duk_heaphdr *ret;
- ret = DUK_TVAL_GET_HEAPHDR(tv);
- DUK_ASSERT(ret != NULL); /* tagged null pointers should never occur */
- return ret;
+ tv = duk_get_tval_or_unused(ctx, idx);
+ DUK_ASSERT(tv != NULL);
+ if (DUK_TVAL_GET_TAG(tv) != tag) {
+ return (duk_heaphdr *) NULL;
}
- return (duk_heaphdr *) NULL;
+ ret = DUK_TVAL_GET_HEAPHDR(tv);
+ DUK_ASSERT(ret != NULL); /* tagged null pointers should never occur */
+ return ret;
+
}
-DUK_INTERNAL duk_hstring *duk_get_hstring(duk_context *ctx, duk_idx_t index) {
- return (duk_hstring *) duk__get_tagged_heaphdr_raw(ctx, index, DUK_TAG_STRING);
+DUK_INTERNAL duk_hstring *duk_get_hstring(duk_context *ctx, duk_idx_t idx) {
+ return (duk_hstring *) duk__get_tagged_heaphdr_raw(ctx, idx, DUK_TAG_STRING);
}
-DUK_INTERNAL duk_hstring *duk_require_hstring(duk_context *ctx, duk_idx_t index) {
- duk_heaphdr *h;
- h = duk__get_tagged_heaphdr_raw(ctx, index, DUK_TAG_STRING);
+DUK_INTERNAL duk_hstring *duk_get_hstring_notsymbol(duk_context *ctx, duk_idx_t idx) {
+ duk_hstring *res = (duk_hstring *) duk__get_tagged_heaphdr_raw(ctx, idx, DUK_TAG_STRING);
+ if (res && DUK_HSTRING_HAS_SYMBOL(res)) {
+ return NULL;
+ }
+ return res;
+}
+
+DUK_INTERNAL duk_hstring *duk_require_hstring(duk_context *ctx, duk_idx_t idx) {
+ duk_hstring *h;
+ h = (duk_hstring *) duk__get_tagged_heaphdr_raw(ctx, idx, DUK_TAG_STRING);
if (h == NULL) {
- DUK_ERROR_REQUIRE_TYPE_INDEX(ctx, index, "string", DUK_STR_NOT_STRING);
+ DUK_ERROR_REQUIRE_TYPE_INDEX(ctx, idx, "string", DUK_STR_NOT_STRING);
+ }
+ return h;
+}
+
+DUK_INTERNAL duk_hstring *duk_require_hstring_notsymbol(duk_context *ctx, duk_idx_t idx) {
+ duk_hstring *h;
+ h = (duk_hstring *) duk__get_tagged_heaphdr_raw(ctx, idx, DUK_TAG_STRING);
+ if (h == NULL || DUK_HSTRING_HAS_SYMBOL(h)) {
+ DUK_ERROR_REQUIRE_TYPE_INDEX(ctx, idx, "string", DUK_STR_NOT_STRING);
}
- return (duk_hstring *) h;
+ return h;
}
-DUK_INTERNAL duk_hobject *duk_get_hobject(duk_context *ctx, duk_idx_t index) {
- return (duk_hobject *) duk__get_tagged_heaphdr_raw(ctx, index, DUK_TAG_OBJECT);
+DUK_INTERNAL duk_hobject *duk_get_hobject(duk_context *ctx, duk_idx_t idx) {
+ return (duk_hobject *) duk__get_tagged_heaphdr_raw(ctx, idx, DUK_TAG_OBJECT);
}
-DUK_INTERNAL duk_hobject *duk_require_hobject(duk_context *ctx, duk_idx_t index) {
- duk_heaphdr *h;
- h = duk__get_tagged_heaphdr_raw(ctx, index, DUK_TAG_OBJECT);
+DUK_INTERNAL duk_hobject *duk_require_hobject(duk_context *ctx, duk_idx_t idx) {
+ duk_hobject *h;
+ h = (duk_hobject *) duk__get_tagged_heaphdr_raw(ctx, idx, DUK_TAG_OBJECT);
if (h == NULL) {
- DUK_ERROR_REQUIRE_TYPE_INDEX(ctx, index, "object", DUK_STR_NOT_OBJECT);
+ DUK_ERROR_REQUIRE_TYPE_INDEX(ctx, idx, "object", DUK_STR_NOT_OBJECT);
}
- return (duk_hobject *) h;
+ return h;
}
-DUK_INTERNAL duk_hbuffer *duk_get_hbuffer(duk_context *ctx, duk_idx_t index) {
- return (duk_hbuffer *) duk__get_tagged_heaphdr_raw(ctx, index, DUK_TAG_BUFFER);
+DUK_INTERNAL duk_hbuffer *duk_get_hbuffer(duk_context *ctx, duk_idx_t idx) {
+ return (duk_hbuffer *) duk__get_tagged_heaphdr_raw(ctx, idx, DUK_TAG_BUFFER);
}
-DUK_INTERNAL duk_hbuffer *duk_require_hbuffer(duk_context *ctx, duk_idx_t index) {
- duk_heaphdr *h;
- h = duk__get_tagged_heaphdr_raw(ctx, index, DUK_TAG_BUFFER);
+DUK_INTERNAL duk_hbuffer *duk_require_hbuffer(duk_context *ctx, duk_idx_t idx) {
+ duk_hbuffer *h;
+ h = (duk_hbuffer *) duk__get_tagged_heaphdr_raw(ctx, idx, DUK_TAG_BUFFER);
if (h == NULL) {
- DUK_ERROR_REQUIRE_TYPE_INDEX(ctx, index, "buffer", DUK_STR_NOT_BUFFER);
+ DUK_ERROR_REQUIRE_TYPE_INDEX(ctx, idx, "buffer", DUK_STR_NOT_BUFFER);
}
- return (duk_hbuffer *) h;
+ return h;
}
-DUK_INTERNAL duk_hthread *duk_get_hthread(duk_context *ctx, duk_idx_t index) {
- duk_hobject *h = (duk_hobject *) duk__get_tagged_heaphdr_raw(ctx, index, DUK_TAG_OBJECT);
+DUK_INTERNAL duk_hthread *duk_get_hthread(duk_context *ctx, duk_idx_t idx) {
+ duk_hobject *h = (duk_hobject *) duk__get_tagged_heaphdr_raw(ctx, idx, DUK_TAG_OBJECT);
if (h != NULL && !DUK_HOBJECT_IS_THREAD(h)) {
h = NULL;
}
return (duk_hthread *) h;
}
-DUK_INTERNAL duk_hthread *duk_require_hthread(duk_context *ctx, duk_idx_t index) {
+DUK_INTERNAL duk_hthread *duk_require_hthread(duk_context *ctx, duk_idx_t idx) {
duk_hthread *thr = (duk_hthread *) ctx;
- duk_hobject *h = (duk_hobject *) duk__get_tagged_heaphdr_raw(ctx, index, DUK_TAG_OBJECT);
+ duk_hobject *h = (duk_hobject *) duk__get_tagged_heaphdr_raw(ctx, idx, DUK_TAG_OBJECT);
if (!(h != NULL && DUK_HOBJECT_IS_THREAD(h))) {
- DUK_ERROR_REQUIRE_TYPE_INDEX(thr, index, "thread", DUK_STR_NOT_THREAD);
+ DUK_ERROR_REQUIRE_TYPE_INDEX(thr, idx, "thread", DUK_STR_NOT_THREAD);
}
return (duk_hthread *) h;
}
-DUK_INTERNAL duk_hcompiledfunction *duk_get_hcompiledfunction(duk_context *ctx, duk_idx_t index) {
- duk_hobject *h = (duk_hobject *) duk__get_tagged_heaphdr_raw(ctx, index, DUK_TAG_OBJECT);
- if (h != NULL && !DUK_HOBJECT_IS_COMPILEDFUNCTION(h)) {
+DUK_INTERNAL duk_hcompfunc *duk_get_hcompfunc(duk_context *ctx, duk_idx_t idx) {
+ duk_hobject *h = (duk_hobject *) duk__get_tagged_heaphdr_raw(ctx, idx, DUK_TAG_OBJECT);
+ if (h != NULL && !DUK_HOBJECT_IS_COMPFUNC(h)) {
h = NULL;
}
- return (duk_hcompiledfunction *) h;
+ return (duk_hcompfunc *) h;
}
-DUK_INTERNAL duk_hcompiledfunction *duk_require_hcompiledfunction(duk_context *ctx, duk_idx_t index) {
+DUK_INTERNAL duk_hcompfunc *duk_require_hcompfunc(duk_context *ctx, duk_idx_t idx) {
duk_hthread *thr = (duk_hthread *) ctx;
- duk_hobject *h = (duk_hobject *) duk__get_tagged_heaphdr_raw(ctx, index, DUK_TAG_OBJECT);
- if (!(h != NULL && DUK_HOBJECT_IS_COMPILEDFUNCTION(h))) {
- DUK_ERROR_REQUIRE_TYPE_INDEX(thr, index, "compiledfunction", DUK_STR_NOT_COMPILEDFUNCTION);
+ duk_hobject *h = (duk_hobject *) duk__get_tagged_heaphdr_raw(ctx, idx, DUK_TAG_OBJECT);
+ if (!(h != NULL && DUK_HOBJECT_IS_COMPFUNC(h))) {
+ DUK_ERROR_REQUIRE_TYPE_INDEX(thr, idx, "compiledfunction", DUK_STR_NOT_COMPFUNC);
}
- return (duk_hcompiledfunction *) h;
+ return (duk_hcompfunc *) h;
}
-DUK_INTERNAL duk_hnativefunction *duk_get_hnativefunction(duk_context *ctx, duk_idx_t index) {
- duk_hobject *h = (duk_hobject *) duk__get_tagged_heaphdr_raw(ctx, index, DUK_TAG_OBJECT);
- if (h != NULL && !DUK_HOBJECT_IS_NATIVEFUNCTION(h)) {
+DUK_INTERNAL duk_hnatfunc *duk_get_hnatfunc(duk_context *ctx, duk_idx_t idx) {
+ duk_hobject *h = (duk_hobject *) duk__get_tagged_heaphdr_raw(ctx, idx, DUK_TAG_OBJECT);
+ if (h != NULL && !DUK_HOBJECT_IS_NATFUNC(h)) {
h = NULL;
}
- return (duk_hnativefunction *) h;
+ return (duk_hnatfunc *) h;
}
-DUK_INTERNAL duk_hnativefunction *duk_require_hnativefunction(duk_context *ctx, duk_idx_t index) {
+DUK_INTERNAL duk_hnatfunc *duk_require_hnatfunc(duk_context *ctx, duk_idx_t idx) {
duk_hthread *thr = (duk_hthread *) ctx;
- duk_hobject *h = (duk_hobject *) duk__get_tagged_heaphdr_raw(ctx, index, DUK_TAG_OBJECT);
- if (!(h != NULL && DUK_HOBJECT_IS_NATIVEFUNCTION(h))) {
- DUK_ERROR_REQUIRE_TYPE_INDEX(thr, index, "nativefunction", DUK_STR_NOT_NATIVEFUNCTION);
+ duk_hobject *h = (duk_hobject *) duk__get_tagged_heaphdr_raw(ctx, idx, DUK_TAG_OBJECT);
+ if (!(h != NULL && DUK_HOBJECT_IS_NATFUNC(h))) {
+ DUK_ERROR_REQUIRE_TYPE_INDEX(thr, idx, "nativefunction", DUK_STR_NOT_NATFUNC);
}
- return (duk_hnativefunction *) h;
+ return (duk_hnatfunc *) h;
}
-DUK_EXTERNAL duk_c_function duk_get_c_function(duk_context *ctx, duk_idx_t index) {
+DUK_EXTERNAL duk_c_function duk_get_c_function(duk_context *ctx, duk_idx_t idx) {
duk_tval *tv;
duk_hobject *h;
- duk_hnativefunction *f;
+ duk_hnatfunc *f;
DUK_ASSERT_CTX_VALID(ctx);
- tv = duk_get_tval(ctx, index);
- if (!tv) {
- return NULL;
- }
+ tv = duk_get_tval_or_unused(ctx, idx);
+ DUK_ASSERT(tv != NULL);
if (!DUK_TVAL_IS_OBJECT(tv)) {
return NULL;
}
h = DUK_TVAL_GET_OBJECT(tv);
DUK_ASSERT(h != NULL);
- if (!DUK_HOBJECT_IS_NATIVEFUNCTION(h)) {
+ if (!DUK_HOBJECT_IS_NATFUNC(h)) {
return NULL;
}
- DUK_ASSERT(DUK_HOBJECT_HAS_NATIVEFUNCTION(h));
- f = (duk_hnativefunction *) h;
+ DUK_ASSERT(DUK_HOBJECT_HAS_NATFUNC(h));
+ f = (duk_hnatfunc *) h;
return f->func;
}
-DUK_EXTERNAL duk_c_function duk_require_c_function(duk_context *ctx, duk_idx_t index) {
+DUK_EXTERNAL duk_c_function duk_require_c_function(duk_context *ctx, duk_idx_t idx) {
duk_hthread *thr = (duk_hthread *) ctx;
duk_c_function ret;
DUK_ASSERT_CTX_VALID(ctx);
- ret = duk_get_c_function(ctx, index);
+ ret = duk_get_c_function(ctx, idx);
if (!ret) {
- DUK_ERROR_REQUIRE_TYPE_INDEX(thr, index, "nativefunction", DUK_STR_NOT_NATIVEFUNCTION);
+ DUK_ERROR_REQUIRE_TYPE_INDEX(thr, idx, "nativefunction", DUK_STR_NOT_NATFUNC);
}
return ret;
}
-DUK_EXTERNAL void duk_require_function(duk_context *ctx, duk_idx_t index) {
- if (!duk_is_function(ctx, index)) {
- DUK_ERROR_REQUIRE_TYPE_INDEX((duk_hthread *) ctx, index, "function", DUK_STR_NOT_FUNCTION);
+DUK_EXTERNAL void duk_require_function(duk_context *ctx, duk_idx_t idx) {
+ if (!duk_is_function(ctx, idx)) {
+ DUK_ERROR_REQUIRE_TYPE_INDEX((duk_hthread *) ctx, idx, "function", DUK_STR_NOT_FUNCTION);
+ }
+}
+
+DUK_INTERNAL_DECL void duk_require_constructable(duk_context *ctx, duk_idx_t idx) {
+ duk_hobject *h;
+
+ h = duk_require_hobject_accept_mask(ctx, idx, DUK_TYPE_MASK_LIGHTFUNC);
+ if (h != NULL && !DUK_HOBJECT_HAS_CONSTRUCTABLE(h)) {
+ DUK_ERROR_REQUIRE_TYPE_INDEX((duk_hthread *) ctx, idx, "constructable", DUK_STR_NOT_CONSTRUCTABLE);
}
+ /* Lightfuncs (h == NULL) are constructable. */
}
-DUK_EXTERNAL duk_context *duk_get_context(duk_context *ctx, duk_idx_t index) {
+DUK_EXTERNAL duk_context *duk_get_context(duk_context *ctx, duk_idx_t idx) {
DUK_ASSERT_CTX_VALID(ctx);
- return (duk_context *) duk_get_hthread(ctx, index);
+ return (duk_context *) duk_get_hthread(ctx, idx);
}
-DUK_EXTERNAL duk_context *duk_require_context(duk_context *ctx, duk_idx_t index) {
+DUK_EXTERNAL duk_context *duk_require_context(duk_context *ctx, duk_idx_t idx) {
DUK_ASSERT_CTX_VALID(ctx);
- return (duk_context *) duk_require_hthread(ctx, index);
+ return (duk_context *) duk_require_hthread(ctx, idx);
}
-DUK_EXTERNAL void *duk_get_heapptr(duk_context *ctx, duk_idx_t index) {
+DUK_EXTERNAL void *duk_get_heapptr(duk_context *ctx, duk_idx_t idx) {
duk_tval *tv;
void *ret;
DUK_ASSERT_CTX_VALID(ctx);
- tv = duk_get_tval(ctx, index);
- if (tv && DUK_TVAL_IS_HEAP_ALLOCATED(tv)) {
- ret = (void *) DUK_TVAL_GET_HEAPHDR(tv);
- DUK_ASSERT(ret != NULL);
- return ret;
+ tv = duk_get_tval_or_unused(ctx, idx);
+ DUK_ASSERT(tv != NULL);
+ if (!DUK_TVAL_IS_HEAP_ALLOCATED(tv)) {
+ return (void *) NULL;
}
- return (void *) NULL;
+ ret = (void *) DUK_TVAL_GET_HEAPHDR(tv);
+ DUK_ASSERT(ret != NULL);
+ return ret;
}
-DUK_EXTERNAL void *duk_require_heapptr(duk_context *ctx, duk_idx_t index) {
+DUK_EXTERNAL void *duk_require_heapptr(duk_context *ctx, duk_idx_t idx) {
duk_hthread *thr = (duk_hthread *) ctx;
duk_tval *tv;
void *ret;
DUK_ASSERT_CTX_VALID(ctx);
- tv = duk_require_tval(ctx, index);
+ tv = duk_get_tval_or_unused(ctx, idx);
DUK_ASSERT(tv != NULL);
- if (DUK_TVAL_IS_HEAP_ALLOCATED(tv)) {
- ret = (void *) DUK_TVAL_GET_HEAPHDR(tv);
- DUK_ASSERT(ret != NULL);
- return ret;
+ if (!DUK_TVAL_IS_HEAP_ALLOCATED(tv)) {
+ DUK_ERROR_REQUIRE_TYPE_INDEX(thr, idx, "heapobject", DUK_STR_UNEXPECTED_TYPE);
}
- DUK_ERROR_REQUIRE_TYPE_INDEX(thr, index, "heapobject", DUK_STR_UNEXPECTED_TYPE);
- return (void *) NULL; /* not reachable */
-}
-
-#if 0
-/* This would be pointless: we'd return NULL for both lightfuncs and
- * unexpected types.
- */
-DUK_INTERNAL duk_hobject *duk_get_hobject_or_lfunc(duk_context *ctx, duk_idx_t index) {
+ ret = (void *) DUK_TVAL_GET_HEAPHDR(tv);
+ DUK_ASSERT(ret != NULL);
+ return ret;
}
-#endif
-/* Useful for internal call sites where we either expect an object (function)
- * or a lightfunc. Accepts an object (returned as is) or a lightfunc (coerced
- * to an object). Return value is NULL if value is neither an object nor a
- * lightfunc.
- */
-DUK_INTERNAL duk_hobject *duk_get_hobject_or_lfunc_coerce(duk_context *ctx, duk_idx_t index) {
- duk_tval *tv;
+/* Internal helper for getting/requiring a duk_hobject with possible promotion. */
+DUK_LOCAL duk_hobject *duk__get_hobject_promote_mask_raw(duk_context *ctx, duk_idx_t idx, duk_uint_t type_mask) {
+ duk_uint_t val_mask;
+ duk_hobject *res;
DUK_ASSERT_CTX_VALID(ctx);
- tv = duk_require_tval(ctx, index);
- DUK_ASSERT(tv != NULL);
- if (DUK_TVAL_IS_OBJECT(tv)) {
- return DUK_TVAL_GET_OBJECT(tv);
- } else if (DUK_TVAL_IS_LIGHTFUNC(tv)) {
- duk_to_object(ctx, index);
- return duk_require_hobject(ctx, index);
+ res = duk_get_hobject(ctx, idx); /* common case, not promoted */
+ if (res != NULL) {
+ DUK_ASSERT(res != NULL);
+ return res;
+ }
+
+ val_mask = duk_get_type_mask(ctx, idx);
+ if (val_mask & type_mask) {
+ if (type_mask & DUK_TYPE_MASK_PROMOTE) {
+ res = duk_to_hobject(ctx, idx);
+ DUK_ASSERT(res != NULL);
+ return res;
+ } else {
+ return NULL; /* accept without promoting */
+ }
}
+ if (type_mask & DUK_TYPE_MASK_THROW) {
+ DUK_ERROR_REQUIRE_TYPE_INDEX((duk_hthread *) ctx, idx, "object", DUK_STR_NOT_OBJECT);
+ }
return NULL;
}
-/* Useful for internal call sites where we either expect an object (function)
- * or a lightfunc. Returns NULL for a lightfunc.
+/* Get a duk_hobject * at 'idx'; if the value is not an object but matches the
+ * supplied 'type_mask', promote it to an object and return the duk_hobject *.
+ * This is useful for call sites which want an object but also accept a plain
+ * buffer and/or a lightfunc which gets automatically promoted to an object.
+ * Return value is NULL if value is neither an object nor a plain type allowed
+ * by the mask.
*/
-DUK_INTERNAL duk_hobject *duk_require_hobject_or_lfunc(duk_context *ctx, duk_idx_t index) {
- duk_hthread *thr = (duk_hthread *) ctx;
- duk_tval *tv;
-
- DUK_ASSERT_CTX_VALID(ctx);
-
- tv = duk_require_tval(ctx, index);
- DUK_ASSERT(tv != NULL);
- if (DUK_TVAL_IS_OBJECT(tv)) {
- return DUK_TVAL_GET_OBJECT(tv);
- } else if (DUK_TVAL_IS_LIGHTFUNC(tv)) {
- return NULL;
- }
- DUK_ERROR_REQUIRE_TYPE_INDEX(thr, index, "object", DUK_STR_NOT_OBJECT);
- return NULL; /* not reachable */
+DUK_INTERNAL duk_hobject *duk_get_hobject_promote_mask(duk_context *ctx, duk_idx_t idx, duk_uint_t type_mask) {
+ return duk__get_hobject_promote_mask_raw(ctx, idx, type_mask | DUK_TYPE_MASK_PROMOTE);
}
-/* Useful for internal call sites where we either expect an object (function)
- * or a lightfunc. Accepts an object (returned as is) or a lightfunc (coerced
- * to an object). Return value is never NULL.
+/* Like duk_get_hobject_promote_mask() but throw a TypeError instead of
+ * returning a NULL.
*/
-DUK_INTERNAL duk_hobject *duk_require_hobject_or_lfunc_coerce(duk_context *ctx, duk_idx_t index) {
- duk_hthread *thr = (duk_hthread *) ctx;
- duk_tval *tv;
-
- DUK_ASSERT_CTX_VALID(ctx);
+DUK_INTERNAL duk_hobject *duk_require_hobject_promote_mask(duk_context *ctx, duk_idx_t idx, duk_uint_t type_mask) {
+ return duk__get_hobject_promote_mask_raw(ctx, idx, type_mask | DUK_TYPE_MASK_THROW | DUK_TYPE_MASK_PROMOTE);
+}
- tv = duk_require_tval(ctx, index);
- if (DUK_TVAL_IS_OBJECT(tv)) {
- return DUK_TVAL_GET_OBJECT(tv);
- } else if (DUK_TVAL_IS_LIGHTFUNC(tv)) {
- duk_to_object(ctx, index);
- return duk_require_hobject(ctx, index);
- }
- DUK_ERROR_REQUIRE_TYPE_INDEX(thr, index, "object", DUK_STR_NOT_OBJECT);
- return NULL; /* not reachable */
+/* Require a duk_hobject * at 'idx'; if the value is not an object but matches the
+ * supplied 'type_mask', return a NULL instead. Otherwise throw a TypeError.
+ */
+DUK_INTERNAL duk_hobject *duk_require_hobject_accept_mask(duk_context *ctx, duk_idx_t idx, duk_uint_t type_mask) {
+ return duk__get_hobject_promote_mask_raw(ctx, idx, type_mask | DUK_TYPE_MASK_THROW);
}
-DUK_INTERNAL duk_hobject *duk_get_hobject_with_class(duk_context *ctx, duk_idx_t index, duk_small_uint_t classnum) {
+DUK_INTERNAL duk_hobject *duk_get_hobject_with_class(duk_context *ctx, duk_idx_t idx, duk_small_uint_t classnum) {
duk_hobject *h;
DUK_ASSERT_CTX_VALID(ctx);
DUK_ASSERT_DISABLE(classnum >= 0); /* unsigned */
DUK_ASSERT(classnum <= DUK_HOBJECT_CLASS_MAX);
- h = (duk_hobject *) duk__get_tagged_heaphdr_raw(ctx, index, DUK_TAG_OBJECT);
+ h = (duk_hobject *) duk__get_tagged_heaphdr_raw(ctx, idx, DUK_TAG_OBJECT);
if (h != NULL && DUK_HOBJECT_GET_CLASS_NUMBER(h) != classnum) {
h = NULL;
}
return h;
}
-DUK_INTERNAL duk_hobject *duk_require_hobject_with_class(duk_context *ctx, duk_idx_t index, duk_small_uint_t classnum) {
+DUK_INTERNAL duk_hobject *duk_require_hobject_with_class(duk_context *ctx, duk_idx_t idx, duk_small_uint_t classnum) {
duk_hthread *thr;
duk_hobject *h;
@@ -16695,26 +18054,24 @@ DUK_INTERNAL duk_hobject *duk_require_hobject_with_class(duk_context *ctx, duk_i
DUK_ASSERT(classnum <= DUK_HOBJECT_CLASS_MAX);
thr = (duk_hthread *) ctx;
- h = (duk_hobject *) duk__get_tagged_heaphdr_raw(ctx, index, DUK_TAG_OBJECT);
+ h = (duk_hobject *) duk__get_tagged_heaphdr_raw(ctx, idx, DUK_TAG_OBJECT);
if (!(h != NULL && DUK_HOBJECT_GET_CLASS_NUMBER(h) == classnum)) {
duk_hstring *h_class;
h_class = DUK_HTHREAD_GET_STRING(thr, DUK_HOBJECT_CLASS_NUMBER_TO_STRIDX(classnum));
DUK_UNREF(h_class);
- DUK_ERROR_REQUIRE_TYPE_INDEX(thr, index, (const char *) DUK_HSTRING_GET_DATA(h_class), DUK_STR_UNEXPECTED_TYPE);
+ DUK_ERROR_REQUIRE_TYPE_INDEX(thr, idx, (const char *) DUK_HSTRING_GET_DATA(h_class), DUK_STR_UNEXPECTED_TYPE);
}
return h;
}
-DUK_EXTERNAL duk_size_t duk_get_length(duk_context *ctx, duk_idx_t index) {
+DUK_EXTERNAL duk_size_t duk_get_length(duk_context *ctx, duk_idx_t idx) {
duk_tval *tv;
DUK_ASSERT_CTX_VALID(ctx);
- tv = duk_get_tval(ctx, index);
- if (!tv) {
- return 0;
- }
+ tv = duk_get_tval_or_unused(ctx, idx);
+ DUK_ASSERT(tv != NULL);
switch (DUK_TVAL_GET_TAG(tv)) {
case DUK_TAG_UNDEFINED:
@@ -16722,16 +18079,29 @@ DUK_EXTERNAL duk_size_t duk_get_length(duk_context *ctx, duk_idx_t index) {
case DUK_TAG_BOOLEAN:
case DUK_TAG_POINTER:
return 0;
+#if defined(DUK_USE_PREFER_SIZE)
+ /* All of these types (besides object) have a virtual, non-configurable
+ * .length property which is within size_t range so we can just look it
+ * up without specific type checks.
+ */
+ case DUK_TAG_STRING:
+ case DUK_TAG_BUFFER:
+ case DUK_TAG_LIGHTFUNC: {
+ duk_size_t ret;
+ duk_get_prop_stridx(ctx, idx, DUK_STRIDX_LENGTH);
+ ret = (duk_size_t) duk_to_number_m1(ctx);
+ duk_pop(ctx);
+ return ret;
+ }
+#else /* DUK_USE_PREFER_SIZE */
case DUK_TAG_STRING: {
duk_hstring *h = DUK_TVAL_GET_STRING(tv);
DUK_ASSERT(h != NULL);
+ if (DUK_HSTRING_HAS_SYMBOL(h)) {
+ return 0;
+ }
return (duk_size_t) DUK_HSTRING_GET_CHARLEN(h);
}
- case DUK_TAG_OBJECT: {
- duk_hobject *h = DUK_TVAL_GET_OBJECT(tv);
- DUK_ASSERT(h != NULL);
- return (duk_size_t) duk_hobject_get_length((duk_hthread *) ctx, h);
- }
case DUK_TAG_BUFFER: {
duk_hbuffer *h = DUK_TVAL_GET_BUFFER(tv);
DUK_ASSERT(h != NULL);
@@ -16742,31 +18112,83 @@ DUK_EXTERNAL duk_size_t duk_get_length(duk_context *ctx, duk_idx_t index) {
lf_flags = DUK_TVAL_GET_LIGHTFUNC_FLAGS(tv);
return (duk_size_t) DUK_LFUNC_FLAGS_GET_LENGTH(lf_flags);
}
+#endif /* DUK_USE_PREFER_SIZE */
+ case DUK_TAG_OBJECT: {
+ duk_hobject *h = DUK_TVAL_GET_OBJECT(tv);
+ DUK_ASSERT(h != NULL);
+ return (duk_size_t) duk_hobject_get_length((duk_hthread *) ctx, h);
+ }
#if defined(DUK_USE_FASTINT)
case DUK_TAG_FASTINT:
#endif
default:
- /* number */
- DUK_ASSERT(!DUK_TVAL_IS_UNUSED(tv));
- DUK_ASSERT(DUK_TVAL_IS_NUMBER(tv));
+ /* number or 'unused' */
+ DUK_ASSERT(DUK_TVAL_IS_NUMBER(tv) || DUK_TVAL_IS_UNUSED(tv));
return 0;
}
DUK_UNREACHABLE();
}
-DUK_INTERNAL void duk_set_length(duk_context *ctx, duk_idx_t index, duk_size_t length) {
+/*
+ * duk_known_xxx() helpers
+ *
+ * Used internally when we're 100% sure that a certain index is valid and
+ * contains an object of a certain type. For example, if we duk_push_object()
+ * we can then safely duk_known_hobject(ctx, -1). These helpers just assert
+ * for the index and type, and if the assumptions are not valid, memory unsafe
+ * behavior happens.
+ */
+
+DUK_LOCAL duk_heaphdr *duk__known_heaphdr(duk_context *ctx, duk_idx_t idx) {
duk_hthread *thr = (duk_hthread *) ctx;
- duk_hobject *h;
+ duk_tval *tv;
+ duk_heaphdr *h;
DUK_ASSERT_CTX_VALID(ctx);
-
- h = duk_get_hobject(ctx, index);
- if (!h) {
- return;
+ if (idx < 0) {
+ tv = thr->valstack_top + idx;
+ } else {
+ tv = thr->valstack_bottom + idx;
}
+ DUK_ASSERT(tv >= thr->valstack_bottom);
+ DUK_ASSERT(tv < thr->valstack_top);
+ h = DUK_TVAL_GET_HEAPHDR(tv);
+ DUK_ASSERT(h != NULL);
+ return h;
+}
+
+DUK_INTERNAL duk_hstring *duk_known_hstring(duk_context *ctx, duk_idx_t idx) {
+ DUK_ASSERT(duk_get_hstring(ctx, idx) != NULL);
+ return (duk_hstring *) duk__known_heaphdr(ctx, idx);
+}
+
+DUK_INTERNAL duk_hobject *duk_known_hobject(duk_context *ctx, duk_idx_t idx) {
+ DUK_ASSERT(duk_get_hobject(ctx, idx) != NULL);
+ return (duk_hobject *) duk__known_heaphdr(ctx, idx);
+}
+
+DUK_INTERNAL duk_hbuffer *duk_known_hbuffer(duk_context *ctx, duk_idx_t idx) {
+ DUK_ASSERT(duk_get_hbuffer(ctx, idx) != NULL);
+ return (duk_hbuffer *) duk__known_heaphdr(ctx, idx);
+}
+
+DUK_INTERNAL duk_hcompfunc *duk_known_hcompfunc(duk_context *ctx, duk_idx_t idx) {
+ DUK_ASSERT(duk_get_hcompfunc(ctx, idx) != NULL);
+ return (duk_hcompfunc *) duk__known_heaphdr(ctx, idx);
+}
- duk_hobject_set_length(thr, h, (duk_uint32_t) length); /* XXX: typing */
+DUK_INTERNAL duk_hnatfunc *duk_known_hnatfunc(duk_context *ctx, duk_idx_t idx) {
+ DUK_ASSERT(duk_get_hnatfunc(ctx, idx) != NULL);
+ return (duk_hnatfunc *) duk__known_heaphdr(ctx, idx);
+}
+
+DUK_EXTERNAL void duk_set_length(duk_context *ctx, duk_idx_t idx, duk_size_t len) {
+ DUK_ASSERT_CTX_VALID(ctx);
+
+ idx = duk_normalize_index(ctx, idx);
+ duk_push_uint(ctx, (duk_uint_t) len);
+ duk_put_prop_stridx(ctx, idx, DUK_STRIDX_LENGTH);
}
/*
@@ -16779,14 +18201,14 @@ DUK_INTERNAL void duk_set_length(duk_context *ctx, duk_idx_t index, duk_size_t l
/* E5 Section 8.12.8 */
-DUK_LOCAL duk_bool_t duk__defaultvalue_coerce_attempt(duk_context *ctx, duk_idx_t index, duk_small_int_t func_stridx) {
- if (duk_get_prop_stridx(ctx, index, func_stridx)) {
+DUK_LOCAL duk_bool_t duk__defaultvalue_coerce_attempt(duk_context *ctx, duk_idx_t idx, duk_small_int_t func_stridx) {
+ if (duk_get_prop_stridx(ctx, idx, func_stridx)) {
/* [ ... func ] */
if (duk_is_callable(ctx, -1)) {
- duk_dup(ctx, index); /* -> [ ... func this ] */
+ duk_dup(ctx, idx); /* -> [ ... func this ] */
duk_call_method(ctx, 0); /* -> [ ... retval ] */
if (duk_is_primitive(ctx, -1)) {
- duk_replace(ctx, index);
+ duk_replace(ctx, idx);
return 1;
}
/* [ ... retval ]; popped below */
@@ -16796,86 +18218,113 @@ DUK_LOCAL duk_bool_t duk__defaultvalue_coerce_attempt(duk_context *ctx, duk_idx_
return 0;
}
-DUK_EXTERNAL void duk_to_defaultvalue(duk_context *ctx, duk_idx_t index, duk_int_t hint) {
- duk_hthread *thr = (duk_hthread *) ctx;
- duk_hobject *obj;
- /* inline initializer for coercers[] is not allowed by old compilers like BCC */
- duk_small_int_t coercers[2];
-
- DUK_ASSERT_CTX_VALID(ctx);
- DUK_ASSERT(thr != NULL);
-
- coercers[0] = DUK_STRIDX_VALUE_OF;
- coercers[1] = DUK_STRIDX_TO_STRING;
-
- index = duk_require_normalize_index(ctx, index);
- obj = duk_require_hobject_or_lfunc(ctx, index);
-
- if (hint == DUK_HINT_NONE) {
- if (obj != NULL && DUK_HOBJECT_GET_CLASS_NUMBER(obj) == DUK_HOBJECT_CLASS_DATE) {
- hint = DUK_HINT_STRING;
- } else {
- hint = DUK_HINT_NUMBER;
- }
- }
-
- if (hint == DUK_HINT_STRING) {
- coercers[0] = DUK_STRIDX_TO_STRING;
- coercers[1] = DUK_STRIDX_VALUE_OF;
- }
-
- if (duk__defaultvalue_coerce_attempt(ctx, index, coercers[0])) {
- return;
- }
-
- if (duk__defaultvalue_coerce_attempt(ctx, index, coercers[1])) {
- return;
- }
-
- DUK_ERROR_TYPE(thr, DUK_STR_DEFAULTVALUE_COERCE_FAILED);
-}
-
-DUK_EXTERNAL void duk_to_undefined(duk_context *ctx, duk_idx_t index) {
+DUK_EXTERNAL void duk_to_undefined(duk_context *ctx, duk_idx_t idx) {
duk_hthread *thr = (duk_hthread *) ctx;
duk_tval *tv;
DUK_ASSERT_CTX_VALID(ctx);
DUK_UNREF(thr);
- tv = duk_require_tval(ctx, index);
+ tv = duk_require_tval(ctx, idx);
DUK_ASSERT(tv != NULL);
DUK_TVAL_SET_UNDEFINED_UPDREF(thr, tv); /* side effects */
}
-DUK_EXTERNAL void duk_to_null(duk_context *ctx, duk_idx_t index) {
+DUK_EXTERNAL void duk_to_null(duk_context *ctx, duk_idx_t idx) {
duk_hthread *thr = (duk_hthread *) ctx;
duk_tval *tv;
DUK_ASSERT_CTX_VALID(ctx);
DUK_UNREF(thr);
- tv = duk_require_tval(ctx, index);
+ tv = duk_require_tval(ctx, idx);
DUK_ASSERT(tv != NULL);
DUK_TVAL_SET_NULL_UPDREF(thr, tv); /* side effects */
}
/* E5 Section 9.1 */
-DUK_EXTERNAL void duk_to_primitive(duk_context *ctx, duk_idx_t index, duk_int_t hint) {
+DUK_EXTERNAL void duk_to_primitive(duk_context *ctx, duk_idx_t idx, duk_int_t hint) {
+ duk_hthread *thr = (duk_hthread *) ctx;
+ /* inline initializer for coercers[] is not allowed by old compilers like BCC */
+ duk_small_int_t coercers[2];
+ duk_small_uint_t class_number;
+
DUK_ASSERT_CTX_VALID(ctx);
DUK_ASSERT(hint == DUK_HINT_NONE || hint == DUK_HINT_NUMBER || hint == DUK_HINT_STRING);
- index = duk_require_normalize_index(ctx, index);
+ idx = duk_require_normalize_index(ctx, idx);
+
+ if (!duk_check_type_mask(ctx, idx, DUK_TYPE_MASK_OBJECT |
+ DUK_TYPE_MASK_LIGHTFUNC |
+ DUK_TYPE_MASK_BUFFER)) {
+ /* Any other values stay as is. */
+ DUK_ASSERT(!duk_is_buffer(ctx, idx)); /* duk_to_string() relies on this behavior */
+ return;
+ }
+
+ class_number = duk_get_class_number(ctx, idx);
+
+ /* XXX: Symbol objects normally coerce via the ES2015-revised ToPrimitive()
+ * algorithm which consults value[@@toPrimitive] and avoids calling
+ * .valueOf() and .toString(). Before that is implemented, special
+ * case Symbol objects to behave as if they had the default @@toPrimitive
+ * algorithm of E6 Section 19.4.3.4, i.e. return the plain symbol value
+ * with no further side effects.
+ */
+
+ if (class_number == DUK_HOBJECT_CLASS_SYMBOL) {
+ duk_hobject *h_obj;
+ duk_hstring *h_str;
+
+ /* XXX: pretty awkward, index based API for internal value access? */
+ h_obj = duk_known_hobject(ctx, idx);
+ h_str = duk_hobject_get_internal_value_string(thr->heap, h_obj);
+ if (h_str) {
+ duk_push_hstring(ctx, h_str);
+ duk_replace(ctx, idx);
+ return;
+ }
+ }
+
+
+ /* Objects are coerced based on E5 specification.
+ * Lightfuncs are coerced because they behave like
+ * objects even if they're internally a primitive
+ * type. Same applies to plain buffers, which behave
+ * like ArrayBuffer objects since Duktape 2.x.
+ */
+
+ coercers[0] = DUK_STRIDX_VALUE_OF;
+ coercers[1] = DUK_STRIDX_TO_STRING;
+
+ if (hint == DUK_HINT_NONE) {
+ if (class_number == DUK_HOBJECT_CLASS_DATE) {
+ hint = DUK_HINT_STRING;
+ } else {
+ hint = DUK_HINT_NUMBER;
+ }
+ }
+
+ if (hint == DUK_HINT_STRING) {
+ coercers[0] = DUK_STRIDX_TO_STRING;
+ coercers[1] = DUK_STRIDX_VALUE_OF;
+ }
+
+ if (duk__defaultvalue_coerce_attempt(ctx, idx, coercers[0])) {
+ DUK_ASSERT(!duk_is_buffer(ctx, idx)); /* duk_to_string() relies on this behavior */
+ return;
+ }
- if (!duk_check_type_mask(ctx, index, DUK_TYPE_MASK_OBJECT |
- DUK_TYPE_MASK_LIGHTFUNC)) {
- /* everything except object stay as is */
+ if (duk__defaultvalue_coerce_attempt(ctx, idx, coercers[1])) {
+ DUK_ASSERT(!duk_is_buffer(ctx, idx)); /* duk_to_string() relies on this behavior */
return;
}
- duk_to_defaultvalue(ctx, index, hint);
+
+ DUK_ERROR_TYPE(thr, DUK_STR_TOPRIMITIVE_FAILED);
}
/* E5 Section 9.2 */
-DUK_EXTERNAL duk_bool_t duk_to_boolean(duk_context *ctx, duk_idx_t index) {
+DUK_EXTERNAL duk_bool_t duk_to_boolean(duk_context *ctx, duk_idx_t idx) {
duk_hthread *thr = (duk_hthread *) ctx;
duk_tval *tv;
duk_bool_t val;
@@ -16883,135 +18332,155 @@ DUK_EXTERNAL duk_bool_t duk_to_boolean(duk_context *ctx, duk_idx_t index) {
DUK_ASSERT_CTX_VALID(ctx);
DUK_UNREF(thr);
- index = duk_require_normalize_index(ctx, index);
-
- tv = duk_require_tval(ctx, index);
+ idx = duk_require_normalize_index(ctx, idx);
+ tv = DUK_GET_TVAL_POSIDX(ctx, idx);
DUK_ASSERT(tv != NULL);
val = duk_js_toboolean(tv);
DUK_ASSERT(val == 0 || val == 1);
- /* Note: no need to re-lookup tv, conversion is side effect free */
+ /* Note: no need to re-lookup tv, conversion is side effect free. */
DUK_ASSERT(tv != NULL);
DUK_TVAL_SET_BOOLEAN_UPDREF(thr, tv, val); /* side effects */
return val;
}
-DUK_EXTERNAL duk_double_t duk_to_number(duk_context *ctx, duk_idx_t index) {
+DUK_EXTERNAL duk_double_t duk_to_number(duk_context *ctx, duk_idx_t idx) {
duk_hthread *thr = (duk_hthread *) ctx;
duk_tval *tv;
duk_double_t d;
DUK_ASSERT_CTX_VALID(ctx);
- tv = duk_require_tval(ctx, index);
+ /* XXX: No need to normalize; the whole operation could be inlined here to
+ * avoid 'tv' re-lookup.
+ */
+ idx = duk_require_normalize_index(ctx, idx);
+ tv = DUK_GET_TVAL_POSIDX(ctx, idx);
DUK_ASSERT(tv != NULL);
- /* XXX: fastint? */
- d = duk_js_tonumber(thr, tv);
+ d = duk_js_tonumber(thr, tv); /* XXX: fastint coercion? now result will always be a non-fastint */
- /* Note: need to re-lookup because ToNumber() may have side effects */
- tv = duk_require_tval(ctx, index);
+ /* ToNumber() may have side effects so must relookup 'tv'. */
+ tv = DUK_GET_TVAL_POSIDX(ctx, idx);
DUK_TVAL_SET_NUMBER_UPDREF(thr, tv, d); /* side effects */
return d;
}
+DUK_INTERNAL duk_double_t duk_to_number_m1(duk_context *ctx) {
+ return duk_to_number(ctx, -1);
+}
+DUK_INTERNAL duk_double_t duk_to_number_m2(duk_context *ctx) {
+ return duk_to_number(ctx, -2);
+}
+
+DUK_INTERNAL duk_double_t duk_to_number_tval(duk_context *ctx, duk_tval *tv) {
+ duk_double_t res;
+
+ DUK_ASSERT_CTX_VALID(ctx);
+
+ duk_push_tval(ctx, tv);
+ res = duk_to_number(ctx, -1);
+ duk_pop(ctx);
+ return res;
+}
+
/* XXX: combine all the integer conversions: they share everything
* but the helper function for coercion.
*/
typedef duk_double_t (*duk__toint_coercer)(duk_hthread *thr, duk_tval *tv);
-DUK_LOCAL duk_double_t duk__to_int_uint_helper(duk_context *ctx, duk_idx_t index, duk__toint_coercer coerce_func) {
+DUK_LOCAL duk_double_t duk__to_int_uint_helper(duk_context *ctx, duk_idx_t idx, duk__toint_coercer coerce_func) {
duk_hthread *thr = (duk_hthread *) ctx;
duk_tval *tv;
duk_double_t d;
DUK_ASSERT_CTX_VALID(ctx);
- tv = duk_require_tval(ctx, index);
+ tv = duk_require_tval(ctx, idx);
DUK_ASSERT(tv != NULL);
d = coerce_func(thr, tv);
/* XXX: fastint? */
/* Relookup in case coerce_func() has side effects, e.g. ends up coercing an object */
- tv = duk_require_tval(ctx, index);
+ tv = duk_require_tval(ctx, idx);
DUK_TVAL_SET_NUMBER_UPDREF(thr, tv, d); /* side effects */
return d;
}
-DUK_EXTERNAL duk_int_t duk_to_int(duk_context *ctx, duk_idx_t index) {
+DUK_EXTERNAL duk_int_t duk_to_int(duk_context *ctx, duk_idx_t idx) {
/* Value coercion (in stack): ToInteger(), E5 Section 9.4
* API return value coercion: custom
*/
DUK_ASSERT_CTX_VALID(ctx);
- (void) duk__to_int_uint_helper(ctx, index, duk_js_tointeger);
- return (duk_int_t) duk__api_coerce_d2i(ctx, index, 0 /*require*/);
+ (void) duk__to_int_uint_helper(ctx, idx, duk_js_tointeger);
+ return (duk_int_t) duk__api_coerce_d2i(ctx, idx, 0 /*require*/);
}
-DUK_EXTERNAL duk_uint_t duk_to_uint(duk_context *ctx, duk_idx_t index) {
+DUK_EXTERNAL duk_uint_t duk_to_uint(duk_context *ctx, duk_idx_t idx) {
/* Value coercion (in stack): ToInteger(), E5 Section 9.4
* API return value coercion: custom
*/
DUK_ASSERT_CTX_VALID(ctx);
- (void) duk__to_int_uint_helper(ctx, index, duk_js_tointeger);
- return (duk_uint_t) duk__api_coerce_d2ui(ctx, index, 0 /*require*/);
+ (void) duk__to_int_uint_helper(ctx, idx, duk_js_tointeger);
+ return (duk_uint_t) duk__api_coerce_d2ui(ctx, idx, 0 /*require*/);
}
-DUK_EXTERNAL duk_int32_t duk_to_int32(duk_context *ctx, duk_idx_t index) {
+DUK_EXTERNAL duk_int32_t duk_to_int32(duk_context *ctx, duk_idx_t idx) {
duk_hthread *thr = (duk_hthread *) ctx;
duk_tval *tv;
duk_int32_t ret;
DUK_ASSERT_CTX_VALID(ctx);
- tv = duk_require_tval(ctx, index);
+ tv = duk_require_tval(ctx, idx);
DUK_ASSERT(tv != NULL);
ret = duk_js_toint32(thr, tv);
/* Relookup in case coerce_func() has side effects, e.g. ends up coercing an object */
- tv = duk_require_tval(ctx, index);
- DUK_TVAL_SET_FASTINT_I32_UPDREF(thr, tv, ret); /* side effects */
+ tv = duk_require_tval(ctx, idx);
+ DUK_TVAL_SET_I32_UPDREF(thr, tv, ret); /* side effects */
return ret;
}
-DUK_EXTERNAL duk_uint32_t duk_to_uint32(duk_context *ctx, duk_idx_t index) {
+DUK_EXTERNAL duk_uint32_t duk_to_uint32(duk_context *ctx, duk_idx_t idx) {
duk_hthread *thr = (duk_hthread *) ctx;
duk_tval *tv;
duk_uint32_t ret;
DUK_ASSERT_CTX_VALID(ctx);
- tv = duk_require_tval(ctx, index);
+ tv = duk_require_tval(ctx, idx);
DUK_ASSERT(tv != NULL);
ret = duk_js_touint32(thr, tv);
/* Relookup in case coerce_func() has side effects, e.g. ends up coercing an object */
- tv = duk_require_tval(ctx, index);
- DUK_TVAL_SET_FASTINT_U32_UPDREF(thr, tv, ret); /* side effects */
+ tv = duk_require_tval(ctx, idx);
+ DUK_TVAL_SET_U32_UPDREF(thr, tv, ret); /* side effects */
return ret;
}
-DUK_EXTERNAL duk_uint16_t duk_to_uint16(duk_context *ctx, duk_idx_t index) {
+DUK_EXTERNAL duk_uint16_t duk_to_uint16(duk_context *ctx, duk_idx_t idx) {
duk_hthread *thr = (duk_hthread *) ctx;
duk_tval *tv;
duk_uint16_t ret;
DUK_ASSERT_CTX_VALID(ctx);
- tv = duk_require_tval(ctx, index);
+ tv = duk_require_tval(ctx, idx);
DUK_ASSERT(tv != NULL);
ret = duk_js_touint16(thr, tv);
/* Relookup in case coerce_func() has side effects, e.g. ends up coercing an object */
- tv = duk_require_tval(ctx, index);
- DUK_TVAL_SET_FASTINT_U32_UPDREF(thr, tv, ret); /* side effects */
+ tv = duk_require_tval(ctx, idx);
+ DUK_TVAL_SET_U32_UPDREF(thr, tv, ret); /* side effects */
return ret;
}
#if defined(DUK_USE_BUFFEROBJECT_SUPPORT)
/* Special coercion for Uint8ClampedArray. */
-DUK_INTERNAL duk_uint8_t duk_to_uint8clamped(duk_context *ctx, duk_idx_t index) {
+DUK_INTERNAL duk_uint8_t duk_to_uint8clamped(duk_context *ctx, duk_idx_t idx) {
duk_double_t d;
duk_double_t t;
duk_uint8_t ret;
@@ -17021,7 +18490,7 @@ DUK_INTERNAL duk_uint8_t duk_to_uint8clamped(duk_context *ctx, duk_idx_t index)
* directly.
*/
- d = duk_to_number(ctx, index);
+ d = duk_to_number(ctx, idx);
if (d <= 0.0) {
return 0;
} else if (d >= 255) {
@@ -17046,35 +18515,37 @@ DUK_INTERNAL duk_uint8_t duk_to_uint8clamped(duk_context *ctx, duk_idx_t index)
}
#endif /* DUK_USE_BUFFEROBJECT_SUPPORT */
-DUK_EXTERNAL const char *duk_to_lstring(duk_context *ctx, duk_idx_t index, duk_size_t *out_len) {
+DUK_EXTERNAL const char *duk_to_lstring(duk_context *ctx, duk_idx_t idx, duk_size_t *out_len) {
DUK_ASSERT_CTX_VALID(ctx);
- (void) duk_to_string(ctx, index);
- return duk_require_lstring(ctx, index, out_len);
+ (void) duk_to_string(ctx, idx);
+ DUK_ASSERT(duk_is_string(ctx, idx));
+ return duk_require_lstring(ctx, idx, out_len);
}
-DUK_LOCAL duk_ret_t duk__safe_to_string_raw(duk_context *ctx) {
+DUK_LOCAL duk_ret_t duk__safe_to_string_raw(duk_context *ctx, void *udata) {
DUK_ASSERT_CTX_VALID(ctx);
+ DUK_UNREF(udata);
duk_to_string(ctx, -1);
return 1;
}
-DUK_EXTERNAL const char *duk_safe_to_lstring(duk_context *ctx, duk_idx_t index, duk_size_t *out_len) {
+DUK_EXTERNAL const char *duk_safe_to_lstring(duk_context *ctx, duk_idx_t idx, duk_size_t *out_len) {
DUK_ASSERT_CTX_VALID(ctx);
- index = duk_require_normalize_index(ctx, index);
+ idx = duk_require_normalize_index(ctx, idx);
/* We intentionally ignore the duk_safe_call() return value and only
* check the output type. This way we don't also need to check that
* the returned value is indeed a string in the success case.
*/
- duk_dup(ctx, index);
- (void) duk_safe_call(ctx, duk__safe_to_string_raw, 1 /*nargs*/, 1 /*nrets*/);
+ duk_dup(ctx, idx);
+ (void) duk_safe_call(ctx, duk__safe_to_string_raw, NULL /*udata*/, 1 /*nargs*/, 1 /*nrets*/);
if (!duk_is_string(ctx, -1)) {
/* Error: try coercing error to string once. */
- (void) duk_safe_call(ctx, duk__safe_to_string_raw, 1 /*nargs*/, 1 /*nrets*/);
+ (void) duk_safe_call(ctx, duk__safe_to_string_raw, NULL /*udata*/, 1 /*nargs*/, 1 /*nrets*/);
if (!duk_is_string(ctx, -1)) {
/* Double error */
duk_pop(ctx);
@@ -17083,72 +18554,129 @@ DUK_EXTERNAL const char *duk_safe_to_lstring(duk_context *ctx, duk_idx_t index,
;
}
} else {
+ /* String; may be a symbol, accepted. */
;
}
DUK_ASSERT(duk_is_string(ctx, -1));
- DUK_ASSERT(duk_get_string(ctx, -1) != NULL);
- duk_replace(ctx, index);
- return duk_get_lstring(ctx, index, out_len);
+ duk_replace(ctx, idx);
+ DUK_ASSERT(duk_get_string(ctx, idx) != NULL);
+ return duk_get_lstring(ctx, idx, out_len);
}
-#if defined(DUK_USE_DEBUGGER_SUPPORT) /* only needed by debugger for now */
-DUK_INTERNAL duk_hstring *duk_safe_to_hstring(duk_context *ctx, duk_idx_t index) {
- (void) duk_safe_to_string(ctx, index);
- DUK_ASSERT(duk_is_string(ctx, index));
- DUK_ASSERT(duk_get_hstring(ctx, index) != NULL);
- return duk_get_hstring(ctx, index);
-}
-#endif
-
-/* Coerce top into Object.prototype.toString() output. */
-DUK_INTERNAL void duk_to_object_class_string_top(duk_context *ctx) {
- duk_hthread *thr;
- duk_uint_t typemask;
- duk_hstring *h_strclass;
+DUK_INTERNAL duk_hstring *duk_to_property_key_hstring(duk_context *ctx, duk_idx_t idx) {
+ duk_hstring *h;
DUK_ASSERT_CTX_VALID(ctx);
- thr = (duk_hthread *) ctx;
- DUK_UNREF(thr);
-
- typemask = duk_get_type_mask(ctx, -1);
- if (typemask & DUK_TYPE_MASK_UNDEFINED) {
- h_strclass = DUK_HTHREAD_STRING_UC_UNDEFINED(thr);
- } else if (typemask & DUK_TYPE_MASK_NULL) {
- h_strclass = DUK_HTHREAD_STRING_UC_NULL(thr);
- } else {
- duk_hobject *h_obj;
-
- duk_to_object(ctx, -1);
- h_obj = duk_get_hobject(ctx, -1);
- DUK_ASSERT(h_obj != NULL);
- h_strclass = DUK_HOBJECT_GET_CLASS_STRING(thr->heap, h_obj);
+ duk_to_primitive(ctx, idx, DUK_HINT_STRING); /* needed for e.g. Symbol objects */
+ h = duk_get_hstring(ctx, idx);
+ if (h == NULL) {
+ /* The "is string?" check may seem unnecessary, but as things
+ * are duk_to_hstring() invokes ToString() which fails for
+ * symbols. But since symbols are already strings for Duktape
+ * C API, we check for that before doing the coercion.
+ */
+ h = duk_to_hstring(ctx, idx);
}
- DUK_ASSERT(h_strclass != NULL);
+ DUK_ASSERT(h != NULL);
+ return h;
+}
- duk_pop(ctx);
- duk_push_sprintf(ctx, "[object %s]", (const char *) DUK_HSTRING_GET_DATA(h_strclass));
+#if defined(DUK_USE_DEBUGGER_SUPPORT) /* only needed by debugger for now */
+DUK_INTERNAL duk_hstring *duk_safe_to_hstring(duk_context *ctx, duk_idx_t idx) {
+ (void) duk_safe_to_string(ctx, idx);
+ DUK_ASSERT(duk_is_string(ctx, idx));
+ DUK_ASSERT(duk_get_hstring(ctx, idx) != NULL);
+ return duk_known_hstring(ctx, idx);
}
+#endif
-#if !defined(DUK_USE_PARANOID_ERRORS)
-DUK_INTERNAL void duk_push_hobject_class_string(duk_context *ctx, duk_hobject *h) {
+/* Push Object.prototype.toString() output for 'tv'. */
+DUK_INTERNAL void duk_push_class_string_tval(duk_context *ctx, duk_tval *tv) {
duk_hthread *thr;
+ duk_small_uint_t stridx;
duk_hstring *h_strclass;
DUK_ASSERT_CTX_VALID(ctx);
- DUK_ASSERT(h != NULL);
thr = (duk_hthread *) ctx;
DUK_UNREF(thr);
- h_strclass = DUK_HOBJECT_GET_CLASS_STRING(thr->heap, h);
+ switch (DUK_TVAL_GET_TAG(tv)) {
+ case DUK_TAG_UNUSED: /* Treat like 'undefined', shouldn't happen. */
+ case DUK_TAG_UNDEFINED: {
+ stridx = DUK_STRIDX_UC_UNDEFINED;
+ break;
+ }
+ case DUK_TAG_NULL: {
+ stridx = DUK_STRIDX_UC_NULL;
+ break;
+ }
+ case DUK_TAG_BOOLEAN: {
+ stridx = DUK_STRIDX_UC_BOOLEAN;
+ break;
+ }
+ case DUK_TAG_POINTER: {
+ stridx = DUK_STRIDX_UC_POINTER;
+ break;
+ }
+ case DUK_TAG_LIGHTFUNC: {
+ stridx = DUK_STRIDX_UC_FUNCTION;
+ break;
+ }
+ case DUK_TAG_STRING: {
+ duk_hstring *h;
+ h = DUK_TVAL_GET_STRING(tv);
+ DUK_ASSERT(h != NULL);
+ if (DUK_HSTRING_HAS_SYMBOL(h)) {
+ stridx = DUK_STRIDX_UC_SYMBOL;
+ } else {
+ stridx = DUK_STRIDX_UC_STRING;
+ }
+ break;
+ }
+ case DUK_TAG_OBJECT: {
+ duk_hobject *h;
+ duk_small_uint_t classnum;
+
+ h = DUK_TVAL_GET_OBJECT(tv);
+ DUK_ASSERT(h != NULL);
+ classnum = DUK_HOBJECT_GET_CLASS_NUMBER(h);
+ stridx = DUK_HOBJECT_CLASS_NUMBER_TO_STRIDX(classnum);
+
+ /* XXX: This is not entirely correct anymore; in ES2015 the
+ * default lookup should use @@toStringTag to come up with
+ * e.g. [object Symbol], [object Uint8Array], etc. See
+ * ES2015 Section 19.1.3.6. The downside of implementing that
+ * directly is that the @@toStringTag lookup may have side
+ * effects, so all call sites must be checked for that.
+ * Some may need a side-effect free lookup, e.g. avoiding
+ * getters which are not typical.
+ */
+ break;
+ }
+ case DUK_TAG_BUFFER: {
+ stridx = DUK_STRIDX_UINT8_ARRAY;
+ break;
+ }
+#if defined(DUK_USE_FASTINT)
+ case DUK_TAG_FASTINT:
+ /* Fall through to generic number case. */
+#endif
+ default: {
+ DUK_ASSERT(DUK_TVAL_IS_NUMBER(tv)); /* number (maybe fastint) */
+ stridx = DUK_STRIDX_UC_NUMBER;
+ break;
+ }
+ }
+ h_strclass = DUK_HTHREAD_GET_STRING(thr, stridx);
DUK_ASSERT(h_strclass != NULL);
+
duk_push_sprintf(ctx, "[object %s]", (const char *) DUK_HSTRING_GET_DATA(h_strclass));
}
-#endif /* !DUK_USE_PARANOID_ERRORS */
/* XXX: other variants like uint, u32 etc */
-DUK_INTERNAL duk_int_t duk_to_int_clamped_raw(duk_context *ctx, duk_idx_t index, duk_int_t minval, duk_int_t maxval, duk_bool_t *out_clamped) {
+DUK_INTERNAL duk_int_t duk_to_int_clamped_raw(duk_context *ctx, duk_idx_t idx, duk_int_t minval, duk_int_t maxval, duk_bool_t *out_clamped) {
duk_hthread *thr = (duk_hthread *) ctx;
duk_tval *tv;
duk_tval tv_tmp;
@@ -17158,7 +18686,7 @@ DUK_INTERNAL duk_int_t duk_to_int_clamped_raw(duk_context *ctx, duk_idx_t index,
DUK_ASSERT_CTX_VALID(ctx);
- tv = duk_require_tval(ctx, index);
+ tv = duk_require_tval(ctx, idx);
DUK_ASSERT(tv != NULL);
d = duk_js_tointeger(thr, tv); /* E5 Section 9.4, ToInteger() */
@@ -17180,12 +18708,12 @@ DUK_INTERNAL duk_int_t duk_to_int_clamped_raw(duk_context *ctx, duk_idx_t index,
/* 'd' and 'res' agree here */
/* Relookup in case duk_js_tointeger() ends up e.g. coercing an object. */
- tv = duk_get_tval(ctx, index);
+ tv = duk_get_tval(ctx, idx);
DUK_ASSERT(tv != NULL); /* not popped by side effect */
DUK_TVAL_SET_TVAL(&tv_tmp, tv);
#if defined(DUK_USE_FASTINT)
#if (DUK_INT_MAX <= 0x7fffffffL)
- DUK_TVAL_SET_FASTINT_I32(tv, res);
+ DUK_TVAL_SET_I32(tv, res);
#else
/* Clamping needed if duk_int_t is 64 bits. */
if (res >= DUK_FASTINT_MIN && res <= DUK_FASTINT_MAX) {
@@ -17211,25 +18739,24 @@ DUK_INTERNAL duk_int_t duk_to_int_clamped_raw(duk_context *ctx, duk_idx_t index,
return res;
}
-DUK_INTERNAL duk_int_t duk_to_int_clamped(duk_context *ctx, duk_idx_t index, duk_idx_t minval, duk_idx_t maxval) {
+DUK_INTERNAL duk_int_t duk_to_int_clamped(duk_context *ctx, duk_idx_t idx, duk_idx_t minval, duk_idx_t maxval) {
duk_bool_t dummy;
- return duk_to_int_clamped_raw(ctx, index, minval, maxval, &dummy);
+ return duk_to_int_clamped_raw(ctx, idx, minval, maxval, &dummy);
}
-DUK_INTERNAL duk_int_t duk_to_int_check_range(duk_context *ctx, duk_idx_t index, duk_int_t minval, duk_int_t maxval) {
- return duk_to_int_clamped_raw(ctx, index, minval, maxval, NULL); /* out_clamped==NULL -> RangeError if outside range */
+DUK_INTERNAL duk_int_t duk_to_int_check_range(duk_context *ctx, duk_idx_t idx, duk_int_t minval, duk_int_t maxval) {
+ return duk_to_int_clamped_raw(ctx, idx, minval, maxval, NULL); /* out_clamped==NULL -> RangeError if outside range */
}
-DUK_EXTERNAL const char *duk_to_string(duk_context *ctx, duk_idx_t index) {
+DUK_EXTERNAL const char *duk_to_string(duk_context *ctx, duk_idx_t idx) {
duk_hthread *thr = (duk_hthread *) ctx;
duk_tval *tv;
DUK_ASSERT_CTX_VALID(ctx);
DUK_UNREF(thr);
- index = duk_require_normalize_index(ctx, index);
-
- tv = duk_require_tval(ctx, index);
+ idx = duk_require_normalize_index(ctx, idx);
+ tv = DUK_GET_TVAL_POSIDX(ctx, idx);
DUK_ASSERT(tv != NULL);
switch (DUK_TVAL_GET_TAG(tv)) {
@@ -17250,23 +18777,36 @@ DUK_EXTERNAL const char *duk_to_string(duk_context *ctx, duk_idx_t index) {
break;
}
case DUK_TAG_STRING: {
- /* nop */
+ /* Nop for actual strings, TypeError for Symbols.
+ * Because various internals rely on ToString() coercion of
+ * internal strings, -allow- (NOP) string coercion for hidden
+ * symbols.
+ */
+#if 1
+ duk_hstring *h;
+ h = DUK_TVAL_GET_STRING(tv);
+ DUK_ASSERT(h != NULL);
+ if (DUK_HSTRING_HAS_SYMBOL(h)) {
+ DUK_ERROR_TYPE((duk_hthread *) ctx, DUK_STR_CANNOT_STRING_COERCE_SYMBOL);
+ } else {
+ goto skip_replace;
+ }
+#else
goto skip_replace;
+#endif
}
+ case DUK_TAG_BUFFER: /* Go through Uint8Array.prototype.toString() for coercion. */
case DUK_TAG_OBJECT: {
- duk_to_primitive(ctx, index, DUK_HINT_STRING);
- return duk_to_string(ctx, index); /* Note: recursive call */
- }
- case DUK_TAG_BUFFER: {
- duk_hbuffer *h = DUK_TVAL_GET_BUFFER(tv);
-
- /* Note: this allows creation of internal strings. */
-
- DUK_ASSERT(h != NULL);
- duk_push_lstring(ctx,
- (const char *) DUK_HBUFFER_GET_DATA_PTR(thr->heap, h),
- (duk_size_t) DUK_HBUFFER_GET_SIZE(h));
- break;
+ /* Plain buffers: go through ArrayBuffer.prototype.toString()
+ * for coercion.
+ *
+ * Symbol objects: duk_to_primitive() results in a plain symbol
+ * value, and duk_to_string() then causes a TypeError.
+ */
+ duk_to_primitive(ctx, idx, DUK_HINT_STRING);
+ DUK_ASSERT(!duk_is_buffer(ctx, idx)); /* ToPrimitive() must guarantee */
+ DUK_ASSERT(!duk_is_object(ctx, idx));
+ return duk_to_string(ctx, idx); /* Note: recursive call */
}
case DUK_TAG_POINTER: {
void *ptr = DUK_TVAL_GET_POINTER(tv);
@@ -17302,22 +18842,59 @@ DUK_EXTERNAL const char *duk_to_string(duk_context *ctx, duk_idx_t index) {
}
}
- duk_replace(ctx, index);
+ duk_replace(ctx, idx);
skip_replace:
- return duk_require_string(ctx, index);
+ DUK_ASSERT(duk_is_string(ctx, idx));
+ return duk_require_string(ctx, idx);
}
-DUK_INTERNAL duk_hstring *duk_to_hstring(duk_context *ctx, duk_idx_t index) {
+DUK_INTERNAL duk_hstring *duk_to_hstring(duk_context *ctx, duk_idx_t idx) {
duk_hstring *ret;
DUK_ASSERT_CTX_VALID(ctx);
- duk_to_string(ctx, index);
- ret = duk_get_hstring(ctx, index);
+ duk_to_string(ctx, idx);
+ ret = duk_get_hstring(ctx, idx);
DUK_ASSERT(ret != NULL);
return ret;
}
-DUK_EXTERNAL void *duk_to_buffer_raw(duk_context *ctx, duk_idx_t index, duk_size_t *out_size, duk_uint_t mode) {
+DUK_INTERNAL duk_hstring *duk_to_hstring_m1(duk_context *ctx) {
+ return duk_to_hstring(ctx, -1);
+}
+
+DUK_INTERNAL duk_hstring *duk_to_hstring_acceptsymbol(duk_context *ctx, duk_idx_t idx) {
+ duk_hstring *ret;
+ DUK_ASSERT_CTX_VALID(ctx);
+ ret = duk_get_hstring(ctx, idx);
+ if (ret && DUK_HSTRING_HAS_SYMBOL(ret)) {
+ return ret;
+ }
+ return duk_to_hstring(ctx, idx);
+}
+
+/* Convert a plain buffer or any buffer object into a string, using the buffer
+ * bytes 1:1 in the internal string representation. For views the active byte
+ * slice (not element slice interpreted as an initializer) is used. This is
+ * necessary in Duktape 2.x because ToString(plainBuffer) no longer creates a
+ * string with the same bytes as in the buffer but rather (usually)
+ * '[object ArrayBuffer]'.
+ */
+DUK_EXTERNAL const char *duk_buffer_to_string(duk_context *ctx, duk_idx_t idx) {
+ void *ptr_src;
+ duk_size_t len;
+ const char *res;
+
+ idx = duk_require_normalize_index(ctx, idx);
+
+ ptr_src = duk_require_buffer_data(ctx, idx, &len);
+ DUK_ASSERT(ptr_src != NULL || len == 0);
+
+ res = duk_push_lstring(ctx, (const char *) ptr_src, len);
+ duk_replace(ctx, idx);
+ return res;
+}
+
+DUK_EXTERNAL void *duk_to_buffer_raw(duk_context *ctx, duk_idx_t idx, duk_size_t *out_size, duk_uint_t mode) {
duk_hthread *thr = (duk_hthread *) ctx;
duk_hbuffer *h_buf;
const duk_uint8_t *src_data;
@@ -17327,9 +18904,9 @@ DUK_EXTERNAL void *duk_to_buffer_raw(duk_context *ctx, duk_idx_t index, duk_size
DUK_ASSERT_CTX_VALID(ctx);
DUK_UNREF(thr);
- index = duk_require_normalize_index(ctx, index);
+ idx = duk_require_normalize_index(ctx, idx);
- h_buf = duk_get_hbuffer(ctx, index);
+ h_buf = duk_get_hbuffer(ctx, idx);
if (h_buf != NULL) {
/* Buffer is kept as is, with the fixed/dynamic nature of the
* buffer only changed if requested. An external buffer
@@ -17355,10 +18932,10 @@ DUK_EXTERNAL void *duk_to_buffer_raw(duk_context *ctx, duk_idx_t index, duk_size
} else {
/* Non-buffer value is first ToString() coerced, then converted
* to a buffer (fixed buffer is used unless a dynamic buffer is
- * explicitly requested).
+ * explicitly requested). Symbols are rejected with a TypeError.
+ * XXX: C API could maybe allow symbol-to-buffer coercion?
*/
-
- src_data = (const duk_uint8_t *) duk_to_lstring(ctx, index, &src_size);
+ src_data = (const duk_uint8_t *) duk_to_lstring(ctx, idx, &src_size);
}
dst_data = (duk_uint8_t *) duk_push_buffer(ctx, src_size, (mode == DUK_BUF_MODE_DYNAMIC) /*dynamic*/);
@@ -17370,7 +18947,7 @@ DUK_EXTERNAL void *duk_to_buffer_raw(duk_context *ctx, duk_idx_t index, duk_size
*/
DUK_MEMCPY((void *) dst_data, (const void *) src_data, (size_t) src_size);
}
- duk_replace(ctx, index);
+ duk_replace(ctx, idx);
skip_copy:
if (out_size) {
@@ -17379,15 +18956,14 @@ DUK_EXTERNAL void *duk_to_buffer_raw(duk_context *ctx, duk_idx_t index, duk_size
return dst_data;
}
-DUK_EXTERNAL void *duk_to_pointer(duk_context *ctx, duk_idx_t index) {
+DUK_EXTERNAL void *duk_to_pointer(duk_context *ctx, duk_idx_t idx) {
duk_tval *tv;
void *res;
DUK_ASSERT_CTX_VALID(ctx);
- index = duk_require_normalize_index(ctx, index);
-
- tv = duk_require_tval(ctx, index);
+ idx = duk_require_normalize_index(ctx, idx);
+ tv = DUK_GET_TVAL_POSIDX(ctx, idx);
DUK_ASSERT(tv != NULL);
switch (DUK_TVAL_GET_TAG(tv)) {
@@ -17426,11 +19002,51 @@ DUK_EXTERNAL void *duk_to_pointer(duk_context *ctx, duk_idx_t index) {
}
duk_push_pointer(ctx, res);
- duk_replace(ctx, index);
+ duk_replace(ctx, idx);
return res;
}
-DUK_EXTERNAL void duk_to_object(duk_context *ctx, duk_idx_t index) {
+DUK_LOCAL void duk__push_func_from_lightfunc(duk_context *ctx, duk_c_function func, duk_small_uint_t lf_flags) {
+ duk_idx_t nargs;
+ duk_uint_t flags = 0; /* shared flags for a subset of types */
+ duk_small_uint_t lf_len;
+ duk_hnatfunc *nf;
+
+ nargs = (duk_idx_t) DUK_LFUNC_FLAGS_GET_NARGS(lf_flags);
+ if (nargs == DUK_LFUNC_NARGS_VARARGS) {
+ nargs = (duk_idx_t) DUK_VARARGS;
+ }
+
+ flags = DUK_HOBJECT_FLAG_EXTENSIBLE |
+ DUK_HOBJECT_FLAG_CONSTRUCTABLE |
+ DUK_HOBJECT_FLAG_NATFUNC |
+ DUK_HOBJECT_FLAG_NEWENV |
+ DUK_HOBJECT_FLAG_STRICT |
+ DUK_HOBJECT_FLAG_NOTAIL |
+ /* DUK_HOBJECT_FLAG_EXOTIC_DUKFUNC: omitted here intentionally */
+ DUK_HOBJECT_CLASS_AS_FLAGS(DUK_HOBJECT_CLASS_FUNCTION);
+ (void) duk__push_c_function_raw(ctx, func, nargs, flags);
+
+ lf_len = DUK_LFUNC_FLAGS_GET_LENGTH(lf_flags);
+ if ((duk_idx_t) lf_len != nargs) {
+ /* Explicit length is only needed if it differs from 'nargs'. */
+ duk_push_int(ctx, (duk_int_t) lf_len);
+ duk_xdef_prop_stridx_short(ctx, -2, DUK_STRIDX_LENGTH, DUK_PROPDESC_FLAGS_NONE);
+ }
+
+#if defined(DUK_USE_FUNC_NAME_PROPERTY)
+ duk_push_lightfunc_name_raw(ctx, func, lf_flags);
+ duk_xdef_prop_stridx_short(ctx, -2, DUK_STRIDX_NAME, DUK_PROPDESC_FLAGS_C);
+#endif
+
+ nf = duk_known_hnatfunc(ctx, -1);
+ nf->magic = (duk_int16_t) DUK_LFUNC_FLAGS_GET_MAGIC(lf_flags);
+
+ /* Enable DUKFUNC exotic behavior once properties are set up. */
+ DUK_HOBJECT_SET_EXOTIC_DUKFUNC((duk_hobject *) nf);
+}
+
+DUK_EXTERNAL void duk_to_object(duk_context *ctx, duk_idx_t idx) {
duk_hthread *thr = (duk_hthread *) ctx;
duk_tval *tv;
duk_uint_t flags = 0; /* shared flags for a subset of types */
@@ -17438,12 +19054,14 @@ DUK_EXTERNAL void duk_to_object(duk_context *ctx, duk_idx_t index) {
DUK_ASSERT_CTX_VALID(ctx);
- index = duk_require_normalize_index(ctx, index);
-
- tv = duk_require_tval(ctx, index);
+ idx = duk_require_normalize_index(ctx, idx);
+ tv = DUK_GET_TVAL_POSIDX(ctx, idx);
DUK_ASSERT(tv != NULL);
switch (DUK_TVAL_GET_TAG(tv)) {
+#if !defined(DUK_USE_BUFFEROBJECT_SUPPORT)
+ case DUK_TAG_BUFFER: /* With no bufferobject support, don't object coerce. */
+#endif
case DUK_TAG_UNDEFINED:
case DUK_TAG_NULL: {
DUK_ERROR_TYPE(thr, DUK_STR_NOT_OBJECT_COERCIBLE);
@@ -17456,47 +19074,42 @@ DUK_EXTERNAL void duk_to_object(duk_context *ctx, duk_idx_t index) {
goto create_object;
}
case DUK_TAG_STRING: {
- flags = DUK_HOBJECT_FLAG_EXTENSIBLE |
- DUK_HOBJECT_FLAG_EXOTIC_STRINGOBJ |
- DUK_HOBJECT_CLASS_AS_FLAGS(DUK_HOBJECT_CLASS_STRING);
- proto = DUK_BIDX_STRING_PROTOTYPE;
+ duk_hstring *h;
+ h = DUK_TVAL_GET_STRING(tv);
+ DUK_ASSERT(h != NULL);
+ if (DUK_HSTRING_HAS_SYMBOL(h)) {
+ flags = DUK_HOBJECT_FLAG_EXTENSIBLE |
+ DUK_HOBJECT_CLASS_AS_FLAGS(DUK_HOBJECT_CLASS_SYMBOL);
+ proto = DUK_BIDX_SYMBOL_PROTOTYPE;
+ } else {
+ flags = DUK_HOBJECT_FLAG_EXTENSIBLE |
+ DUK_HOBJECT_FLAG_EXOTIC_STRINGOBJ |
+ DUK_HOBJECT_CLASS_AS_FLAGS(DUK_HOBJECT_CLASS_STRING);
+ proto = DUK_BIDX_STRING_PROTOTYPE;
+ }
goto create_object;
}
case DUK_TAG_OBJECT: {
/* nop */
break;
}
+#if defined(DUK_USE_BUFFEROBJECT_SUPPORT)
case DUK_TAG_BUFFER: {
- /* A plain buffer coerces to a Duktape.Buffer because it's the
- * object counterpart of the plain buffer value. But it might
- * still make more sense to produce an ArrayBuffer here?
+ /* A plain buffer object coerces to a full ArrayBuffer which
+ * is not fully transparent behavior (ToObject() should be a
+ * nop for an object). This behavior matches lightfuncs which
+ * also coerce to an equivalent Function object. There are
+ * also downsides to defining ToObject(plainBuffer) as a no-op;
+ * for example duk_to_hobject() could result in a NULL pointer.
*/
+ duk_hbuffer *h_buf;
- duk_hbufferobject *h_bufobj;
- duk_hbuffer *h_val;
-
- h_val = DUK_TVAL_GET_BUFFER(tv);
- DUK_ASSERT(h_val != NULL);
-
- h_bufobj = duk_push_bufferobject_raw(ctx,
- DUK_HOBJECT_FLAG_EXTENSIBLE |
- DUK_HOBJECT_FLAG_BUFFEROBJECT |
- DUK_HOBJECT_CLASS_AS_FLAGS(DUK_HOBJECT_CLASS_BUFFER),
- DUK_BIDX_BUFFER_PROTOTYPE);
- DUK_ASSERT(h_bufobj != NULL);
- DUK_ASSERT(DUK_HOBJECT_HAS_EXTENSIBLE((duk_hobject *) h_bufobj));
- DUK_ASSERT(DUK_HOBJECT_IS_BUFFEROBJECT((duk_hobject *) h_bufobj));
-
- h_bufobj->buf = h_val;
- DUK_HBUFFER_INCREF(thr, h_val);
- DUK_ASSERT(h_bufobj->offset == 0);
- h_bufobj->length = (duk_uint_t) DUK_HBUFFER_GET_SIZE(h_val);
- DUK_ASSERT(h_bufobj->shift == 0);
- DUK_ASSERT(h_bufobj->elem_type == DUK_HBUFFEROBJECT_ELEM_UINT8);
-
- DUK_ASSERT_HBUFFEROBJECT_VALID(h_bufobj);
+ h_buf = DUK_TVAL_GET_BUFFER(tv);
+ DUK_ASSERT(h_buf != NULL);
+ duk_hbufobj_push_uint8array_from_plain(thr, h_buf);
goto replace_value;
}
+#endif /* DUK_USE_BUFFEROBJECT_SUPPORT */
case DUK_TAG_POINTER: {
flags = DUK_HOBJECT_FLAG_EXTENSIBLE |
DUK_HOBJECT_CLASS_AS_FLAGS(DUK_HOBJECT_CLASS_POINTER);
@@ -17506,50 +19119,18 @@ DUK_EXTERNAL void duk_to_object(duk_context *ctx, duk_idx_t index) {
case DUK_TAG_LIGHTFUNC: {
/* Lightfunc coerces to a Function instance with concrete
* properties. Since 'length' is virtual for Duktape/C
- * functions, don't need to define that.
+ * functions, don't need to define that. The result is made
+ * extensible to mimic what happens to strings in object
+ * coercion:
*
- * The result is made extensible to mimic what happens to
- * strings:
* > Object.isExtensible(Object('foo'))
* true
*/
duk_small_uint_t lf_flags;
- duk_idx_t nargs;
- duk_small_uint_t lf_len;
duk_c_function func;
- duk_hnativefunction *nf;
DUK_TVAL_GET_LIGHTFUNC(tv, func, lf_flags);
-
- nargs = (duk_idx_t) DUK_LFUNC_FLAGS_GET_NARGS(lf_flags);
- if (nargs == DUK_LFUNC_NARGS_VARARGS) {
- nargs = (duk_idx_t) DUK_VARARGS;
- }
- flags = DUK_HOBJECT_FLAG_EXTENSIBLE |
- DUK_HOBJECT_FLAG_CONSTRUCTABLE |
- DUK_HOBJECT_FLAG_NATIVEFUNCTION |
- DUK_HOBJECT_FLAG_NEWENV |
- DUK_HOBJECT_FLAG_STRICT |
- DUK_HOBJECT_FLAG_NOTAIL |
- /* DUK_HOBJECT_FLAG_EXOTIC_DUKFUNC: omitted here intentionally */
- DUK_HOBJECT_CLASS_AS_FLAGS(DUK_HOBJECT_CLASS_FUNCTION);
- (void) duk__push_c_function_raw(ctx, func, nargs, flags);
-
- lf_len = DUK_LFUNC_FLAGS_GET_LENGTH(lf_flags);
- if ((duk_idx_t) lf_len != nargs) {
- /* Explicit length is only needed if it differs from 'nargs'. */
- duk_push_int(ctx, (duk_int_t) lf_len);
- duk_xdef_prop_stridx(ctx, -2, DUK_STRIDX_LENGTH, DUK_PROPDESC_FLAGS_NONE);
- }
- duk_push_lightfunc_name(ctx, tv);
- duk_xdef_prop_stridx(ctx, -2, DUK_STRIDX_NAME, DUK_PROPDESC_FLAGS_NONE);
-
- nf = duk_get_hnativefunction(ctx, -1);
- DUK_ASSERT(nf != NULL);
- nf->magic = (duk_int16_t) DUK_LFUNC_FLAGS_GET_MAGIC(lf_flags);
-
- /* Enable DUKFUNC exotic behavior once properties are set up. */
- DUK_HOBJECT_SET_EXOTIC_DUKFUNC((duk_hobject *) nf);
+ duk__push_func_from_lightfunc(ctx, func, lf_flags);
goto replace_value;
}
#if defined(DUK_USE_FASTINT)
@@ -17564,6 +19145,7 @@ DUK_EXTERNAL void duk_to_object(duk_context *ctx, duk_idx_t index) {
goto create_object;
}
}
+ DUK_ASSERT(duk_is_object(ctx, idx));
return;
create_object:
@@ -17576,49 +19158,53 @@ DUK_EXTERNAL void duk_to_object(duk_context *ctx, duk_idx_t index) {
* String and buffer special behaviors are already enabled which is not
* ideal, but a write to the internal value is not affected by them.
*/
- duk_dup(ctx, index);
- duk_xdef_prop_stridx(ctx, -2, DUK_STRIDX_INT_VALUE, DUK_PROPDESC_FLAGS_NONE);
+ duk_dup(ctx, idx);
+ duk_xdef_prop_stridx_short(ctx, -2, DUK_STRIDX_INT_VALUE, DUK_PROPDESC_FLAGS_NONE);
replace_value:
- duk_replace(ctx, index);
+ duk_replace(ctx, idx);
+ DUK_ASSERT(duk_is_object(ctx, idx));
+}
+
+DUK_INTERNAL duk_hobject *duk_to_hobject(duk_context *ctx, duk_idx_t idx) {
+ duk_hobject *ret;
+ DUK_ASSERT_CTX_VALID(ctx);
+ duk_to_object(ctx, idx);
+ ret = duk_known_hobject(ctx, idx);
+ return ret;
}
/*
* Type checking
*/
-DUK_LOCAL duk_bool_t duk__tag_check(duk_context *ctx, duk_idx_t index, duk_small_uint_t tag) {
+DUK_LOCAL duk_bool_t duk__tag_check(duk_context *ctx, duk_idx_t idx, duk_small_uint_t tag) {
duk_tval *tv;
- tv = duk_get_tval(ctx, index);
- if (!tv) {
- return 0;
- }
+ tv = duk_get_tval_or_unused(ctx, idx);
+ DUK_ASSERT(tv != NULL);
return (DUK_TVAL_GET_TAG(tv) == tag);
}
-DUK_LOCAL duk_bool_t duk__obj_flag_any_default_false(duk_context *ctx, duk_idx_t index, duk_uint_t flag_mask) {
+DUK_LOCAL duk_bool_t duk__obj_flag_any_default_false(duk_context *ctx, duk_idx_t idx, duk_uint_t flag_mask) {
duk_hobject *obj;
DUK_ASSERT_CTX_VALID(ctx);
- obj = duk_get_hobject(ctx, index);
+ obj = duk_get_hobject(ctx, idx);
if (obj) {
return (DUK_HEAPHDR_CHECK_FLAG_BITS((duk_heaphdr *) obj, flag_mask) ? 1 : 0);
}
return 0;
}
-DUK_EXTERNAL duk_int_t duk_get_type(duk_context *ctx, duk_idx_t index) {
- duk_tval *tv;
-
- DUK_ASSERT_CTX_VALID(ctx);
+DUK_INTERNAL duk_int_t duk_get_type_tval(duk_tval *tv) {
+ DUK_ASSERT(tv != NULL);
- tv = duk_get_tval(ctx, index);
- if (!tv) {
- return DUK_TYPE_NONE;
- }
+#if defined(DUK_USE_PACKED_TVAL)
switch (DUK_TVAL_GET_TAG(tv)) {
+ case DUK_TAG_UNUSED:
+ return DUK_TYPE_NONE;
case DUK_TAG_UNDEFINED:
return DUK_TYPE_UNDEFINED;
case DUK_TAG_NULL:
@@ -17644,7 +19230,22 @@ DUK_EXTERNAL duk_int_t duk_get_type(duk_context *ctx, duk_idx_t index) {
DUK_ASSERT(DUK_TVAL_IS_NUMBER(tv));
return DUK_TYPE_NUMBER;
}
- DUK_UNREACHABLE();
+#else /* DUK_USE_PACKED_TVAL */
+ DUK_ASSERT(DUK_TVAL_IS_VALID_TAG(tv));
+ DUK_ASSERT(sizeof(duk__type_from_tag) / sizeof(duk_uint_t) == DUK_TAG_MAX - DUK_TAG_MIN + 1);
+ return (duk_int_t) duk__type_from_tag[DUK_TVAL_GET_TAG(tv) - DUK_TAG_MIN];
+#endif /* DUK_USE_PACKED_TVAL */
+}
+
+DUK_EXTERNAL duk_int_t duk_get_type(duk_context *ctx, duk_idx_t idx) {
+ duk_tval *tv;
+
+ DUK_ASSERT_CTX_VALID(ctx);
+
+ tv = duk_get_tval_or_unused(ctx, idx);
+ DUK_ASSERT(tv != NULL);
+
+ return duk_get_type_tval(tv);
}
#if defined(DUK_USE_VERBOSE_ERRORS) && defined(DUK_USE_PARANOID_ERRORS)
@@ -17661,10 +19262,10 @@ DUK_LOCAL const char *duk__type_names[] = {
"lightfunc"
};
-DUK_INTERNAL const char *duk_get_type_name(duk_context *ctx, duk_idx_t index) {
+DUK_INTERNAL const char *duk_get_type_name(duk_context *ctx, duk_idx_t idx) {
duk_int_t type_tag;
- type_tag = duk_get_type(ctx, index);
+ type_tag = duk_get_type(ctx, idx);
DUK_ASSERT(type_tag >= DUK_TYPE_MIN && type_tag <= DUK_TYPE_MAX);
DUK_ASSERT(DUK_TYPE_MIN == 0 && sizeof(duk__type_names) / sizeof(const char *) == DUK_TYPE_MAX + 1);
@@ -17672,22 +19273,43 @@ DUK_INTERNAL const char *duk_get_type_name(duk_context *ctx, duk_idx_t index) {
}
#endif
-DUK_EXTERNAL duk_bool_t duk_check_type(duk_context *ctx, duk_idx_t index, duk_int_t type) {
- DUK_ASSERT_CTX_VALID(ctx);
+DUK_INTERNAL duk_small_uint_t duk_get_class_number(duk_context *ctx, duk_idx_t idx) {
+ duk_tval *tv;
+ duk_hobject *obj;
- return (duk_get_type(ctx, index) == type) ? 1 : 0;
-}
+ tv = duk_get_tval_or_unused(ctx, idx);
+ DUK_ASSERT(tv != NULL);
-DUK_EXTERNAL duk_uint_t duk_get_type_mask(duk_context *ctx, duk_idx_t index) {
- duk_tval *tv;
+ switch (DUK_TVAL_GET_TAG(tv)) {
+ case DUK_TAG_OBJECT:
+ obj = DUK_TVAL_GET_OBJECT(tv);
+ DUK_ASSERT(obj != NULL);
+ return DUK_HOBJECT_GET_CLASS_NUMBER(obj);
+ case DUK_TAG_BUFFER:
+ /* Buffers behave like Uint8Array objects. */
+ return DUK_HOBJECT_CLASS_UINT8ARRAY;
+ case DUK_TAG_LIGHTFUNC:
+ /* Lightfuncs behave like Function objects. */
+ return DUK_HOBJECT_CLASS_FUNCTION;
+ default:
+ /* Primitive or UNUSED, no class number. */
+ return DUK_HOBJECT_CLASS_NONE;
+ }
+}
+DUK_EXTERNAL duk_bool_t duk_check_type(duk_context *ctx, duk_idx_t idx, duk_int_t type) {
DUK_ASSERT_CTX_VALID(ctx);
- tv = duk_get_tval(ctx, index);
- if (!tv) {
- return DUK_TYPE_MASK_NONE;
- }
+ return (duk_get_type(ctx, idx) == type) ? 1 : 0;
+}
+
+DUK_INTERNAL duk_uint_t duk_get_type_mask_tval(duk_tval *tv) {
+ DUK_ASSERT(tv != NULL);
+
+#if defined(DUK_USE_PACKED_TVAL)
switch (DUK_TVAL_GET_TAG(tv)) {
+ case DUK_TAG_UNUSED:
+ return DUK_TYPE_MASK_NONE;
case DUK_TAG_UNDEFINED:
return DUK_TYPE_MASK_UNDEFINED;
case DUK_TAG_NULL:
@@ -17713,15 +19335,30 @@ DUK_EXTERNAL duk_uint_t duk_get_type_mask(duk_context *ctx, duk_idx_t index) {
DUK_ASSERT(DUK_TVAL_IS_NUMBER(tv));
return DUK_TYPE_MASK_NUMBER;
}
- DUK_UNREACHABLE();
+#else /* DUK_USE_PACKED_TVAL */
+ DUK_ASSERT(DUK_TVAL_IS_VALID_TAG(tv));
+ DUK_ASSERT(sizeof(duk__type_mask_from_tag) / sizeof(duk_uint_t) == DUK_TAG_MAX - DUK_TAG_MIN + 1);
+ return (duk_int_t) duk__type_mask_from_tag[DUK_TVAL_GET_TAG(tv) - DUK_TAG_MIN];
+#endif /* DUK_USE_PACKED_TVAL */
}
-DUK_EXTERNAL duk_bool_t duk_check_type_mask(duk_context *ctx, duk_idx_t index, duk_uint_t mask) {
+DUK_EXTERNAL duk_uint_t duk_get_type_mask(duk_context *ctx, duk_idx_t idx) {
+ duk_tval *tv;
+
+ DUK_ASSERT_CTX_VALID(ctx);
+
+ tv = duk_get_tval_or_unused(ctx, idx);
+ DUK_ASSERT(tv != NULL);
+
+ return duk_get_type_mask_tval(tv);
+}
+
+DUK_EXTERNAL duk_bool_t duk_check_type_mask(duk_context *ctx, duk_idx_t idx, duk_uint_t mask) {
duk_hthread *thr = (duk_hthread *) ctx;
DUK_ASSERT_CTX_VALID(ctx);
- if (duk_get_type_mask(ctx, index) & mask) {
+ if (duk_get_type_mask(ctx, idx) & mask) {
return 1;
}
if (mask & DUK_TYPE_MASK_THROW) {
@@ -17731,36 +19368,22 @@ DUK_EXTERNAL duk_bool_t duk_check_type_mask(duk_context *ctx, duk_idx_t index, d
return 0;
}
-DUK_EXTERNAL duk_bool_t duk_is_undefined(duk_context *ctx, duk_idx_t index) {
+DUK_EXTERNAL duk_bool_t duk_is_undefined(duk_context *ctx, duk_idx_t idx) {
DUK_ASSERT_CTX_VALID(ctx);
- return duk__tag_check(ctx, index, DUK_TAG_UNDEFINED);
+ return duk__tag_check(ctx, idx, DUK_TAG_UNDEFINED);
}
-DUK_EXTERNAL duk_bool_t duk_is_null(duk_context *ctx, duk_idx_t index) {
+DUK_EXTERNAL duk_bool_t duk_is_null(duk_context *ctx, duk_idx_t idx) {
DUK_ASSERT_CTX_VALID(ctx);
- return duk__tag_check(ctx, index, DUK_TAG_NULL);
+ return duk__tag_check(ctx, idx, DUK_TAG_NULL);
}
-DUK_EXTERNAL duk_bool_t duk_is_null_or_undefined(duk_context *ctx, duk_idx_t index) {
- duk_tval *tv;
- duk_small_uint_t tag;
-
+DUK_EXTERNAL duk_bool_t duk_is_boolean(duk_context *ctx, duk_idx_t idx) {
DUK_ASSERT_CTX_VALID(ctx);
-
- tv = duk_get_tval(ctx, index);
- if (!tv) {
- return 0;
- }
- tag = DUK_TVAL_GET_TAG(tv);
- return (tag == DUK_TAG_UNDEFINED) || (tag == DUK_TAG_NULL);
+ return duk__tag_check(ctx, idx, DUK_TAG_BOOLEAN);
}
-DUK_EXTERNAL duk_bool_t duk_is_boolean(duk_context *ctx, duk_idx_t index) {
- DUK_ASSERT_CTX_VALID(ctx);
- return duk__tag_check(ctx, index, DUK_TAG_BOOLEAN);
-}
-
-DUK_EXTERNAL duk_bool_t duk_is_number(duk_context *ctx, duk_idx_t index) {
+DUK_EXTERNAL duk_bool_t duk_is_number(duk_context *ctx, duk_idx_t idx) {
duk_tval *tv;
DUK_ASSERT_CTX_VALID(ctx);
@@ -17770,16 +19393,14 @@ DUK_EXTERNAL duk_bool_t duk_is_number(duk_context *ctx, duk_idx_t index) {
* tag in the 8-byte representation.
*/
- /* XXX: shorter version for 12-byte representation? */
+ /* XXX: shorter version for unpacked representation? */
- tv = duk_get_tval(ctx, index);
- if (!tv) {
- return 0;
- }
+ tv = duk_get_tval_or_unused(ctx, idx);
+ DUK_ASSERT(tv != NULL);
return DUK_TVAL_IS_NUMBER(tv);
}
-DUK_EXTERNAL duk_bool_t duk_is_nan(duk_context *ctx, duk_idx_t index) {
+DUK_EXTERNAL duk_bool_t duk_is_nan(duk_context *ctx, duk_idx_t idx) {
/* XXX: This will now return false for non-numbers, even though they would
* coerce to NaN (as a general rule). In particular, duk_get_number()
* returns a NaN for non-numbers, so should this function also return
@@ -17790,101 +19411,149 @@ DUK_EXTERNAL duk_bool_t duk_is_nan(duk_context *ctx, duk_idx_t index) {
DUK_ASSERT_CTX_VALID(ctx);
- tv = duk_get_tval(ctx, index);
- if (!tv || !DUK_TVAL_IS_NUMBER(tv)) {
+ tv = duk_get_tval_or_unused(ctx, idx);
+ DUK_ASSERT(tv != NULL);
+
+ /* XXX: for packed duk_tval an explicit "is number" check is unnecessary */
+ if (!DUK_TVAL_IS_NUMBER(tv)) {
return 0;
}
return DUK_ISNAN(DUK_TVAL_GET_NUMBER(tv));
}
-DUK_EXTERNAL duk_bool_t duk_is_string(duk_context *ctx, duk_idx_t index) {
+DUK_EXTERNAL duk_bool_t duk_is_string(duk_context *ctx, duk_idx_t idx) {
DUK_ASSERT_CTX_VALID(ctx);
- return duk__tag_check(ctx, index, DUK_TAG_STRING);
+ return duk__tag_check(ctx, idx, DUK_TAG_STRING);
}
-DUK_EXTERNAL duk_bool_t duk_is_object(duk_context *ctx, duk_idx_t index) {
+DUK_INTERNAL duk_bool_t duk_is_string_notsymbol(duk_context *ctx, duk_idx_t idx) {
DUK_ASSERT_CTX_VALID(ctx);
- return duk__tag_check(ctx, index, DUK_TAG_OBJECT);
+ return duk_get_hstring_notsymbol(ctx, idx) != NULL;
}
-DUK_EXTERNAL duk_bool_t duk_is_buffer(duk_context *ctx, duk_idx_t index) {
+DUK_EXTERNAL duk_bool_t duk_is_object(duk_context *ctx, duk_idx_t idx) {
DUK_ASSERT_CTX_VALID(ctx);
- return duk__tag_check(ctx, index, DUK_TAG_BUFFER);
+ return duk__tag_check(ctx, idx, DUK_TAG_OBJECT);
}
-DUK_EXTERNAL duk_bool_t duk_is_pointer(duk_context *ctx, duk_idx_t index) {
+DUK_EXTERNAL duk_bool_t duk_is_buffer(duk_context *ctx, duk_idx_t idx) {
DUK_ASSERT_CTX_VALID(ctx);
- return duk__tag_check(ctx, index, DUK_TAG_POINTER);
+ return duk__tag_check(ctx, idx, DUK_TAG_BUFFER);
}
-DUK_EXTERNAL duk_bool_t duk_is_lightfunc(duk_context *ctx, duk_idx_t index) {
+#if defined(DUK_USE_BUFFEROBJECT_SUPPORT)
+DUK_EXTERNAL duk_bool_t duk_is_buffer_data(duk_context *ctx, duk_idx_t idx) {
+ duk_tval *tv;
+
DUK_ASSERT_CTX_VALID(ctx);
- return duk__tag_check(ctx, index, DUK_TAG_LIGHTFUNC);
+
+ tv = duk_get_tval_or_unused(ctx, idx);
+ DUK_ASSERT(tv != NULL);
+ if (DUK_TVAL_IS_BUFFER(tv)) {
+ return 1;
+ } else if (DUK_TVAL_IS_OBJECT(tv)) {
+ duk_hobject *h = DUK_TVAL_GET_OBJECT(tv);
+ DUK_ASSERT(h != NULL);
+ if (DUK_HOBJECT_IS_BUFOBJ(h)) {
+ return 1;
+ }
+ }
+ return 0;
+}
+#else /* DUK_USE_BUFFEROBJECT_SUPPORT */
+DUK_EXTERNAL duk_bool_t duk_is_buffer_data(duk_context *ctx, duk_idx_t idx) {
+ DUK_ASSERT_CTX_VALID(ctx);
+
+ return duk_is_buffer(ctx, idx);
+}
+
+#endif /* DUK_USE_BUFFEROBJECT_SUPPORT */
+
+DUK_EXTERNAL duk_bool_t duk_is_pointer(duk_context *ctx, duk_idx_t idx) {
+ DUK_ASSERT_CTX_VALID(ctx);
+ return duk__tag_check(ctx, idx, DUK_TAG_POINTER);
+}
+
+DUK_EXTERNAL duk_bool_t duk_is_lightfunc(duk_context *ctx, duk_idx_t idx) {
+ DUK_ASSERT_CTX_VALID(ctx);
+ return duk__tag_check(ctx, idx, DUK_TAG_LIGHTFUNC);
+}
+
+DUK_EXTERNAL duk_bool_t duk_is_symbol(duk_context *ctx, duk_idx_t idx) {
+ duk_hstring *h;
+
+ DUK_ASSERT_CTX_VALID(ctx);
+ h = duk_get_hstring(ctx, idx);
+ if (h != NULL && DUK_HSTRING_HAS_SYMBOL(h)) {
+ return 1;
+ }
+ return 0;
}
-DUK_EXTERNAL duk_bool_t duk_is_array(duk_context *ctx, duk_idx_t index) {
+DUK_EXTERNAL duk_bool_t duk_is_array(duk_context *ctx, duk_idx_t idx) {
duk_hobject *obj;
DUK_ASSERT_CTX_VALID(ctx);
- obj = duk_get_hobject(ctx, index);
+ obj = duk_get_hobject(ctx, idx);
if (obj) {
return (DUK_HOBJECT_GET_CLASS_NUMBER(obj) == DUK_HOBJECT_CLASS_ARRAY ? 1 : 0);
}
return 0;
}
-DUK_EXTERNAL duk_bool_t duk_is_function(duk_context *ctx, duk_idx_t index) {
+DUK_EXTERNAL duk_bool_t duk_is_function(duk_context *ctx, duk_idx_t idx) {
duk_tval *tv;
DUK_ASSERT_CTX_VALID(ctx);
- tv = duk_get_tval(ctx, index);
- if (tv && DUK_TVAL_IS_LIGHTFUNC(tv)) {
+ tv = duk_get_tval_or_unused(ctx, idx);
+ if (DUK_TVAL_IS_LIGHTFUNC(tv)) {
return 1;
}
return duk__obj_flag_any_default_false(ctx,
- index,
- DUK_HOBJECT_FLAG_COMPILEDFUNCTION |
- DUK_HOBJECT_FLAG_NATIVEFUNCTION |
- DUK_HOBJECT_FLAG_BOUND);
+ idx,
+ DUK_HOBJECT_FLAG_COMPFUNC |
+ DUK_HOBJECT_FLAG_NATFUNC |
+ DUK_HOBJECT_FLAG_BOUNDFUNC);
}
-DUK_EXTERNAL duk_bool_t duk_is_c_function(duk_context *ctx, duk_idx_t index) {
+DUK_EXTERNAL duk_bool_t duk_is_c_function(duk_context *ctx, duk_idx_t idx) {
DUK_ASSERT_CTX_VALID(ctx);
return duk__obj_flag_any_default_false(ctx,
- index,
- DUK_HOBJECT_FLAG_NATIVEFUNCTION);
+ idx,
+ DUK_HOBJECT_FLAG_NATFUNC);
}
-DUK_EXTERNAL duk_bool_t duk_is_ecmascript_function(duk_context *ctx, duk_idx_t index) {
+DUK_EXTERNAL duk_bool_t duk_is_ecmascript_function(duk_context *ctx, duk_idx_t idx) {
DUK_ASSERT_CTX_VALID(ctx);
return duk__obj_flag_any_default_false(ctx,
- index,
- DUK_HOBJECT_FLAG_COMPILEDFUNCTION);
+ idx,
+ DUK_HOBJECT_FLAG_COMPFUNC);
}
-DUK_EXTERNAL duk_bool_t duk_is_bound_function(duk_context *ctx, duk_idx_t index) {
+DUK_EXTERNAL duk_bool_t duk_is_bound_function(duk_context *ctx, duk_idx_t idx) {
DUK_ASSERT_CTX_VALID(ctx);
return duk__obj_flag_any_default_false(ctx,
- index,
- DUK_HOBJECT_FLAG_BOUND);
+ idx,
+ DUK_HOBJECT_FLAG_BOUNDFUNC);
}
-DUK_EXTERNAL duk_bool_t duk_is_thread(duk_context *ctx, duk_idx_t index) {
+DUK_EXTERNAL duk_bool_t duk_is_thread(duk_context *ctx, duk_idx_t idx) {
DUK_ASSERT_CTX_VALID(ctx);
return duk__obj_flag_any_default_false(ctx,
- index,
+ idx,
DUK_HOBJECT_FLAG_THREAD);
}
-DUK_EXTERNAL duk_bool_t duk_is_fixed_buffer(duk_context *ctx, duk_idx_t index) {
+DUK_EXTERNAL duk_bool_t duk_is_fixed_buffer(duk_context *ctx, duk_idx_t idx) {
duk_tval *tv;
DUK_ASSERT_CTX_VALID(ctx);
- tv = duk_get_tval(ctx, index);
- if (tv && DUK_TVAL_IS_BUFFER(tv)) {
+ tv = duk_get_tval_or_unused(ctx, idx);
+ DUK_ASSERT(tv != NULL);
+ if (DUK_TVAL_IS_BUFFER(tv)) {
duk_hbuffer *h = DUK_TVAL_GET_BUFFER(tv);
DUK_ASSERT(h != NULL);
return (DUK_HBUFFER_HAS_DYNAMIC(h) ? 0 : 1);
@@ -17892,13 +19561,14 @@ DUK_EXTERNAL duk_bool_t duk_is_fixed_buffer(duk_context *ctx, duk_idx_t index) {
return 0;
}
-DUK_EXTERNAL duk_bool_t duk_is_dynamic_buffer(duk_context *ctx, duk_idx_t index) {
+DUK_EXTERNAL duk_bool_t duk_is_dynamic_buffer(duk_context *ctx, duk_idx_t idx) {
duk_tval *tv;
DUK_ASSERT_CTX_VALID(ctx);
- tv = duk_get_tval(ctx, index);
- if (tv && DUK_TVAL_IS_BUFFER(tv)) {
+ tv = duk_get_tval_or_unused(ctx, idx);
+ DUK_ASSERT(tv != NULL);
+ if (DUK_TVAL_IS_BUFFER(tv)) {
duk_hbuffer *h = DUK_TVAL_GET_BUFFER(tv);
DUK_ASSERT(h != NULL);
return (DUK_HBUFFER_HAS_DYNAMIC(h) && !DUK_HBUFFER_HAS_EXTERNAL(h) ? 1 : 0);
@@ -17906,13 +19576,14 @@ DUK_EXTERNAL duk_bool_t duk_is_dynamic_buffer(duk_context *ctx, duk_idx_t index)
return 0;
}
-DUK_EXTERNAL duk_bool_t duk_is_external_buffer(duk_context *ctx, duk_idx_t index) {
+DUK_EXTERNAL duk_bool_t duk_is_external_buffer(duk_context *ctx, duk_idx_t idx) {
duk_tval *tv;
DUK_ASSERT_CTX_VALID(ctx);
- tv = duk_get_tval(ctx, index);
- if (tv && DUK_TVAL_IS_BUFFER(tv)) {
+ tv = duk_get_tval_or_unused(ctx, idx);
+ DUK_ASSERT(tv != NULL);
+ if (DUK_TVAL_IS_BUFFER(tv)) {
duk_hbuffer *h = DUK_TVAL_GET_BUFFER(tv);
DUK_ASSERT(h != NULL);
return (DUK_HBUFFER_HAS_DYNAMIC(h) && DUK_HBUFFER_HAS_EXTERNAL(h) ? 1 : 0);
@@ -17920,14 +19591,14 @@ DUK_EXTERNAL duk_bool_t duk_is_external_buffer(duk_context *ctx, duk_idx_t index
return 0;
}
-DUK_EXTERNAL duk_errcode_t duk_get_error_code(duk_context *ctx, duk_idx_t index) {
+DUK_EXTERNAL duk_errcode_t duk_get_error_code(duk_context *ctx, duk_idx_t idx) {
duk_hthread *thr = (duk_hthread *) ctx;
duk_hobject *h;
duk_uint_t sanity;
DUK_ASSERT_CTX_VALID(ctx);
- h = duk_get_hobject(ctx, index);
+ h = duk_get_hobject(ctx, idx);
sanity = DUK_HOBJECT_PROTOTYPE_CHAIN_SANITY;
do {
@@ -18064,7 +19735,7 @@ DUK_EXTERNAL void duk_push_int(duk_context *ctx, duk_int_t val) {
DUK__CHECK_SPACE();
tv_slot = thr->valstack_top++;
#if DUK_INT_MAX <= 0x7fffffffL
- DUK_TVAL_SET_FASTINT_I32(tv_slot, (duk_int32_t) val);
+ DUK_TVAL_SET_I32(tv_slot, (duk_int32_t) val);
#else
if (val >= DUK_FASTINT_MIN && val <= DUK_FASTINT_MAX) {
DUK_TVAL_SET_FASTINT(tv_slot, (duk_int64_t) val);
@@ -18097,7 +19768,7 @@ DUK_EXTERNAL void duk_push_uint(duk_context *ctx, duk_uint_t val) {
DUK__CHECK_SPACE();
tv_slot = thr->valstack_top++;
#if DUK_UINT_MAX <= 0xffffffffUL
- DUK_TVAL_SET_FASTINT_U32(tv_slot, (duk_uint32_t) val);
+ DUK_TVAL_SET_U32(tv_slot, (duk_uint32_t) val);
#else
if (val <= DUK_FASTINT_MAX) { /* val is unsigned so >= 0 */
/* XXX: take advantage of val being unsigned, no need to mask */
@@ -18144,7 +19815,7 @@ DUK_EXTERNAL const char *duk_push_lstring(duk_context *ctx, const char *str, duk
/* check stack before interning (avoid hanging temp) */
if (thr->valstack_top >= thr->valstack_end) {
- DUK_ERROR_API(thr, DUK_STR_PUSH_BEYOND_ALLOC_STACK);
+ DUK_ERROR_RANGE_PUSH_BEYOND(thr);
}
/* NULL with zero length represents an empty string; NULL with higher
@@ -18182,76 +19853,6 @@ DUK_EXTERNAL const char *duk_push_string(duk_context *ctx, const char *str) {
}
}
-#ifdef DUK_USE_FILE_IO
-/* This is a bit clunky because it is ANSI C portable. Should perhaps
- * relocate to another file because this is potentially platform
- * dependent.
- */
-DUK_EXTERNAL const char *duk_push_string_file_raw(duk_context *ctx, const char *path, duk_uint_t flags) {
- duk_hthread *thr = (duk_hthread *) ctx;
- duk_file *f = NULL;
- char *buf;
- long sz; /* ANSI C typing */
-
- DUK_ASSERT_CTX_VALID(ctx);
-
- if (!path) {
- goto fail;
- }
- f = DUK_FOPEN(path, "rb");
- if (!f) {
- goto fail;
- }
- if (DUK_FSEEK(f, 0, SEEK_END) < 0) {
- goto fail;
- }
- sz = DUK_FTELL(f);
- if (sz < 0) {
- goto fail;
- }
- if (DUK_FSEEK(f, 0, SEEK_SET) < 0) {
- goto fail;
- }
- buf = (char *) duk_push_fixed_buffer(ctx, (duk_size_t) sz);
- DUK_ASSERT(buf != NULL);
- if ((duk_size_t) DUK_FREAD(buf, 1, (size_t) sz, f) != (duk_size_t) sz) {
- goto fail;
- }
- (void) DUK_FCLOSE(f); /* ignore fclose() error */
- f = NULL;
- return duk_to_string(ctx, -1);
-
- fail:
- if (f) {
- DUK_FCLOSE(f);
- }
-
- if (flags != 0) {
- DUK_ASSERT(flags == DUK_STRING_PUSH_SAFE); /* only flag now */
- duk_push_undefined(ctx);
- } else {
- /* XXX: string not shared because it is conditional */
- DUK_ERROR_TYPE(thr, "read file error");
- }
- return NULL;
-}
-#else
-DUK_EXTERNAL const char *duk_push_string_file_raw(duk_context *ctx, const char *path, duk_uint_t flags) {
- duk_hthread *thr = (duk_hthread *) ctx;
- DUK_ASSERT_CTX_VALID(ctx);
- DUK_UNREF(path);
-
- if (flags != 0) {
- DUK_ASSERT(flags == DUK_STRING_PUSH_SAFE); /* only flag now */
- duk_push_undefined(ctx);
- } else {
- /* XXX: string not shared because it is conditional */
- DUK_ERROR_UNSUPPORTED(thr, "file I/O disabled");
- }
- return NULL;
-}
-#endif /* DUK_USE_FILE_IO */
-
DUK_EXTERNAL void duk_push_pointer(duk_context *ctx, void *val) {
duk_hthread *thr;
duk_tval *tv_slot;
@@ -18263,6 +19864,16 @@ DUK_EXTERNAL void duk_push_pointer(duk_context *ctx, void *val) {
DUK_TVAL_SET_POINTER(tv_slot, val);
}
+DUK_INTERNAL duk_hstring *duk_push_uint_to_hstring(duk_context *ctx, duk_uint_t i) {
+ duk_hstring *h_tmp;
+
+ /* XXX: this could be a direct DUK_SPRINTF to a buffer followed by duk_push_string() */
+ duk_push_uint(ctx, (duk_uint_t) i);
+ h_tmp = duk_to_hstring_m1(ctx);
+ DUK_ASSERT(h_tmp != NULL);
+ return h_tmp;
+}
+
DUK_LOCAL void duk__push_this_helper(duk_context *ctx, duk_small_uint_t check_object_coercible) {
duk_hthread *thr;
duk_tval *tv_slot;
@@ -18320,22 +19931,16 @@ DUK_INTERNAL duk_hobject *duk_push_this_coercible_to_object(duk_context *ctx) {
DUK_ASSERT_CTX_VALID(ctx);
duk__push_this_helper(ctx, 1 /*check_object_coercible*/);
- duk_to_object(ctx, -1);
- h = duk_get_hobject(ctx, -1);
+ h = duk_to_hobject(ctx, -1);
DUK_ASSERT(h != NULL);
return h;
}
DUK_INTERNAL duk_hstring *duk_push_this_coercible_to_string(duk_context *ctx) {
- duk_hstring *h;
-
DUK_ASSERT_CTX_VALID(ctx);
duk__push_this_helper(ctx, 1 /*check_object_coercible*/);
- duk_to_string(ctx, -1);
- h = duk_get_hstring(ctx, -1);
- DUK_ASSERT(h != NULL);
- return h;
+ return duk_to_hstring_m1(ctx); /* This will reject all Symbol values; accepts Symbol objects. */
}
DUK_INTERNAL duk_tval *duk_get_borrowed_this_tval(duk_context *ctx) {
@@ -18390,14 +19995,14 @@ DUK_EXTERNAL void duk_push_global_object(duk_context *ctx) {
/* XXX: size optimize */
DUK_LOCAL void duk__push_stash(duk_context *ctx) {
DUK_ASSERT_CTX_VALID(ctx);
- if (!duk_get_prop_stridx(ctx, -1, DUK_STRIDX_INT_VALUE)) {
+ if (!duk_get_prop_stridx_short(ctx, -1, DUK_STRIDX_INT_VALUE)) {
DUK_DDD(DUK_DDDPRINT("creating heap/global/thread stash on first use"));
duk_pop(ctx);
- duk_push_object_internal(ctx);
+ duk_push_bare_object(ctx);
duk_dup_top(ctx);
- duk_xdef_prop_stridx(ctx, -3, DUK_STRIDX_INT_VALUE, DUK_PROPDESC_FLAGS_C); /* [ ... parent stash stash ] -> [ ... parent stash ] */
+ duk_xdef_prop_stridx_short(ctx, -3, DUK_STRIDX_INT_VALUE, DUK_PROPDESC_FLAGS_C); /* [ ... parent stash stash ] -> [ ... parent stash ] */
}
- duk_remove(ctx, -2);
+ duk_remove_m2(ctx);
}
DUK_EXTERNAL void duk_push_heap_stash(duk_context *ctx) {
@@ -18420,7 +20025,7 @@ DUK_EXTERNAL void duk_push_thread_stash(duk_context *ctx, duk_context *target_ct
duk_hthread *thr = (duk_hthread *) ctx;
DUK_ASSERT_CTX_VALID(ctx);
if (!target_ctx) {
- DUK_ERROR_API(thr, DUK_STR_INVALID_CALL_ARGS);
+ DUK_ERROR_TYPE_INVALID_ARGS(thr);
return; /* not reached */
}
duk_push_hobject(ctx, (duk_hobject *) target_ctx);
@@ -18459,8 +20064,8 @@ DUK_EXTERNAL const char *duk_push_vsprintf(duk_context *ctx, const char *fmt, va
/* special handling of fmt==NULL */
if (!fmt) {
duk_hstring *h_str;
- duk_push_hstring_stridx(ctx, DUK_STRIDX_EMPTY_STRING);
- h_str = DUK_HTHREAD_STRING_EMPTY_STRING(thr); /* rely on interning, must be this string */
+ duk_push_hstring_empty(ctx);
+ h_str = duk_known_hstring(ctx, -1);
return (const char *) DUK_HSTRING_GET_DATA(h_str);
}
@@ -18497,16 +20102,16 @@ DUK_EXTERNAL const char *duk_push_vsprintf(duk_context *ctx, const char *fmt, va
/* failed, resize and try again */
sz = sz * 2;
if (sz >= DUK_PUSH_SPRINTF_SANITY_LIMIT) {
- DUK_ERROR_API(thr, DUK_STR_SPRINTF_TOO_LONG);
+ DUK_ERROR_RANGE(thr, DUK_STR_RESULT_TOO_LONG);
}
}
- /* Cannot use duk_to_string() on the buffer because it is usually
- * larger than 'len'. Also, 'buf' is usually a stack buffer.
+ /* Cannot use duk_buffer_to_string() on the buffer because it is
+ * usually larger than 'len'; 'buf' is also usually a stack buffer.
*/
res = duk_push_lstring(ctx, (const char *) buf, (duk_size_t) len); /* [ buf? res ] */
if (pushed_buf) {
- duk_remove(ctx, -2);
+ duk_remove_m2(ctx);
}
return res;
}
@@ -18525,11 +20130,10 @@ DUK_EXTERNAL const char *duk_push_sprintf(duk_context *ctx, const char *fmt, ...
return ret;
}
-DUK_INTERNAL duk_idx_t duk_push_object_helper(duk_context *ctx, duk_uint_t hobject_flags_and_class, duk_small_int_t prototype_bidx) {
+DUK_INTERNAL duk_hobject *duk_push_object_helper(duk_context *ctx, duk_uint_t hobject_flags_and_class, duk_small_int_t prototype_bidx) {
duk_hthread *thr = (duk_hthread *) ctx;
duk_tval *tv_slot;
duk_hobject *h;
- duk_idx_t ret;
DUK_ASSERT_CTX_VALID(ctx);
DUK_ASSERT(prototype_bidx == -1 ||
@@ -18537,12 +20141,12 @@ DUK_INTERNAL duk_idx_t duk_push_object_helper(duk_context *ctx, duk_uint_t hobje
/* check stack first */
if (thr->valstack_top >= thr->valstack_end) {
- DUK_ERROR_API(thr, DUK_STR_PUSH_BEYOND_ALLOC_STACK);
+ DUK_ERROR_RANGE_PUSH_BEYOND(thr);
}
h = duk_hobject_alloc(thr->heap, hobject_flags_and_class);
if (!h) {
- DUK_ERROR_ALLOC_DEFMSG(thr);
+ DUK_ERROR_ALLOC_FAILED(thr);
}
DUK_DDD(DUK_DDDPRINT("created object with flags: 0x%08lx", (unsigned long) h->hdr.h_flags));
@@ -18550,7 +20154,6 @@ DUK_INTERNAL duk_idx_t duk_push_object_helper(duk_context *ctx, duk_uint_t hobje
tv_slot = thr->valstack_top;
DUK_TVAL_SET_OBJECT(tv_slot, h);
DUK_HOBJECT_INCREF(thr, h); /* no side effects */
- ret = (duk_idx_t) (thr->valstack_top - thr->valstack_bottom);
thr->valstack_top++;
/* object is now reachable */
@@ -18562,71 +20165,95 @@ DUK_INTERNAL duk_idx_t duk_push_object_helper(duk_context *ctx, duk_uint_t hobje
DUK_ASSERT(DUK_HOBJECT_GET_PROTOTYPE(thr->heap, h) == NULL);
}
- return ret;
+ return h;
}
-DUK_INTERNAL duk_idx_t duk_push_object_helper_proto(duk_context *ctx, duk_uint_t hobject_flags_and_class, duk_hobject *proto) {
+DUK_INTERNAL duk_hobject *duk_push_object_helper_proto(duk_context *ctx, duk_uint_t hobject_flags_and_class, duk_hobject *proto) {
duk_hthread *thr = (duk_hthread *) ctx;
- duk_idx_t ret;
duk_hobject *h;
DUK_ASSERT_CTX_VALID(ctx);
- ret = duk_push_object_helper(ctx, hobject_flags_and_class, -1);
- h = duk_get_hobject(ctx, -1);
+ h = duk_push_object_helper(ctx, hobject_flags_and_class, -1);
DUK_ASSERT(h != NULL);
DUK_ASSERT(DUK_HOBJECT_GET_PROTOTYPE(thr->heap, h) == NULL);
DUK_HOBJECT_SET_PROTOTYPE_UPDREF(thr, h, proto);
- return ret;
+ return h;
}
DUK_EXTERNAL duk_idx_t duk_push_object(duk_context *ctx) {
DUK_ASSERT_CTX_VALID(ctx);
- return duk_push_object_helper(ctx,
+ (void) duk_push_object_helper(ctx,
DUK_HOBJECT_FLAG_EXTENSIBLE |
DUK_HOBJECT_CLASS_AS_FLAGS(DUK_HOBJECT_CLASS_OBJECT),
DUK_BIDX_OBJECT_PROTOTYPE);
+ return duk_get_top_index_unsafe(ctx);
}
DUK_EXTERNAL duk_idx_t duk_push_array(duk_context *ctx) {
duk_hthread *thr = (duk_hthread *) ctx;
- duk_hobject *obj;
+ duk_uint_t flags;
+ duk_harray *obj;
duk_idx_t ret;
+ duk_tval *tv_slot;
DUK_ASSERT_CTX_VALID(ctx);
- ret = duk_push_object_helper(ctx,
- DUK_HOBJECT_FLAG_EXTENSIBLE |
- DUK_HOBJECT_FLAG_ARRAY_PART |
- DUK_HOBJECT_CLASS_AS_FLAGS(DUK_HOBJECT_CLASS_ARRAY),
- DUK_BIDX_ARRAY_PROTOTYPE);
-
- obj = duk_require_hobject(ctx, ret);
+ flags = DUK_HOBJECT_FLAG_EXTENSIBLE |
+ DUK_HOBJECT_FLAG_ARRAY_PART |
+ DUK_HOBJECT_FLAG_EXOTIC_ARRAY |
+ DUK_HOBJECT_CLASS_AS_FLAGS(DUK_HOBJECT_CLASS_ARRAY);
- /*
- * An array must have a 'length' property (E5 Section 15.4.5.2).
- * The special array behavior flag must only be enabled once the
- * length property has been added.
- *
- * The internal property must be a number (and preferably a
- * fastint if fastint support is enabled).
- */
+ obj = duk_harray_alloc(thr->heap, flags);
+ if (!obj) {
+ DUK_ERROR_ALLOC_FAILED(thr);
+ }
- duk_push_int(ctx, 0);
-#if defined(DUK_USE_FASTINT)
- DUK_ASSERT(DUK_TVAL_IS_FASTINT(duk_require_tval(ctx, -1)));
-#endif
+ /* XXX: since prototype is NULL, could save a check */
+ DUK_HOBJECT_SET_PROTOTYPE_UPDREF(thr, (duk_hobject *) obj, thr->builtins[DUK_BIDX_ARRAY_PROTOTYPE]);
- duk_hobject_define_property_internal(thr,
- obj,
- DUK_HTHREAD_STRING_LENGTH(thr),
- DUK_PROPDESC_FLAGS_W);
- DUK_HOBJECT_SET_EXOTIC_ARRAY(obj);
+ tv_slot = thr->valstack_top;
+ DUK_TVAL_SET_OBJECT(tv_slot, (duk_hobject *) obj);
+ DUK_HOBJECT_INCREF(thr, obj); /* XXX: could preallocate with refcount = 1 */
+ ret = (duk_idx_t) (thr->valstack_top - thr->valstack_bottom);
+ thr->valstack_top++;
+ DUK_ASSERT(obj->length == 0); /* Array .length starts at zero. */
return ret;
}
+DUK_INTERNAL duk_harray *duk_push_harray(duk_context *ctx) {
+ /* XXX: API call could do this directly, cast to void in API macro. */
+ duk_hthread *thr;
+ duk_harray *a;
+
+ thr = (duk_hthread *) ctx;
+ (void) duk_push_array(ctx);
+ DUK_ASSERT(DUK_TVAL_IS_OBJECT(thr->valstack_top - 1));
+ a = (duk_harray *) DUK_TVAL_GET_OBJECT(thr->valstack_top - 1);
+ DUK_ASSERT(a != NULL);
+ return a;
+}
+
+/* Push a duk_harray with preallocated size (.length also set to match size).
+ * Caller may then populate array part of the duk_harray directly.
+ */
+DUK_INTERNAL duk_harray *duk_push_harray_with_size(duk_context *ctx, duk_uint32_t size) {
+ duk_harray *a;
+
+ a = duk_push_harray(ctx);
+
+ duk_hobject_realloc_props((duk_hthread *) ctx,
+ (duk_hobject *) a,
+ 0,
+ size,
+ 0,
+ 0);
+ a->length = size;
+ return a;
+}
+
DUK_EXTERNAL duk_idx_t duk_push_thread_raw(duk_context *ctx, duk_uint_t flags) {
duk_hthread *thr = (duk_hthread *) ctx;
duk_hthread *obj;
@@ -18637,7 +20264,7 @@ DUK_EXTERNAL duk_idx_t duk_push_thread_raw(duk_context *ctx, duk_uint_t flags) {
/* check stack first */
if (thr->valstack_top >= thr->valstack_end) {
- DUK_ERROR_API(thr, DUK_STR_PUSH_BEYOND_ALLOC_STACK);
+ DUK_ERROR_RANGE_PUSH_BEYOND(thr);
}
obj = duk_hthread_alloc(thr->heap,
@@ -18645,7 +20272,7 @@ DUK_EXTERNAL duk_idx_t duk_push_thread_raw(duk_context *ctx, duk_uint_t flags) {
DUK_HOBJECT_FLAG_THREAD |
DUK_HOBJECT_CLASS_AS_FLAGS(DUK_HOBJECT_CLASS_THREAD));
if (!obj) {
- DUK_ERROR_ALLOC_DEFMSG(thr);
+ DUK_ERROR_ALLOC_FAILED(thr);
}
obj->state = DUK_HTHREAD_STATE_INACTIVE;
#if defined(DUK_USE_ROM_STRINGS)
@@ -18668,7 +20295,7 @@ DUK_EXTERNAL duk_idx_t duk_push_thread_raw(duk_context *ctx, duk_uint_t flags) {
/* important to do this *after* pushing, to make the thread reachable for gc */
if (!duk_hthread_init_stacks(thr->heap, obj)) {
- DUK_ERROR_ALLOC_DEFMSG(thr);
+ DUK_ERROR_ALLOC_FAILED(thr);
}
/* initialize built-ins - either by copying or creating new ones */
@@ -18679,6 +20306,7 @@ DUK_EXTERNAL duk_idx_t duk_push_thread_raw(duk_context *ctx, duk_uint_t flags) {
}
/* default prototype (Note: 'obj' must be reachable) */
+ /* XXX: since prototype is NULL, could save a check */
DUK_HOBJECT_SET_PROTOTYPE_UPDREF(thr, (duk_hobject *) obj, obj->builtins[DUK_BIDX_THREAD_PROTOTYPE]);
/* Initial stack size satisfies the stack spare constraints so there
@@ -18690,17 +20318,16 @@ DUK_EXTERNAL duk_idx_t duk_push_thread_raw(duk_context *ctx, duk_uint_t flags) {
return ret;
}
-DUK_INTERNAL duk_idx_t duk_push_compiledfunction(duk_context *ctx) {
+DUK_INTERNAL duk_hcompfunc *duk_push_hcompfunc(duk_context *ctx) {
duk_hthread *thr = (duk_hthread *) ctx;
- duk_hcompiledfunction *obj;
- duk_idx_t ret;
+ duk_hcompfunc *obj;
duk_tval *tv_slot;
DUK_ASSERT_CTX_VALID(ctx);
/* check stack first */
if (thr->valstack_top >= thr->valstack_end) {
- DUK_ERROR_API(thr, DUK_STR_PUSH_BEYOND_ALLOC_STACK);
+ DUK_ERROR_RANGE_PUSH_BEYOND(thr);
}
/* Template functions are not strictly constructable (they don't
@@ -18708,12 +20335,12 @@ DUK_INTERNAL duk_idx_t duk_push_compiledfunction(duk_context *ctx) {
* DUK_HOBJECT_FLAG_CONSRUCTABLE flag cleared here.
*/
- obj = duk_hcompiledfunction_alloc(thr->heap,
- DUK_HOBJECT_FLAG_EXTENSIBLE |
- DUK_HOBJECT_FLAG_COMPILEDFUNCTION |
- DUK_HOBJECT_CLASS_AS_FLAGS(DUK_HOBJECT_CLASS_FUNCTION));
+ obj = duk_hcompfunc_alloc(thr->heap,
+ DUK_HOBJECT_FLAG_EXTENSIBLE |
+ DUK_HOBJECT_FLAG_COMPFUNC |
+ DUK_HOBJECT_CLASS_AS_FLAGS(DUK_HOBJECT_CLASS_FUNCTION));
if (!obj) {
- DUK_ERROR_ALLOC_DEFMSG(thr);
+ DUK_ERROR_ALLOC_FAILED(thr);
}
DUK_DDD(DUK_DDDPRINT("created compiled function object with flags: 0x%08lx", (unsigned long) obj->obj.hdr.h_flags));
@@ -18721,18 +20348,16 @@ DUK_INTERNAL duk_idx_t duk_push_compiledfunction(duk_context *ctx) {
tv_slot = thr->valstack_top;
DUK_TVAL_SET_OBJECT(tv_slot, (duk_hobject *) obj);
DUK_HOBJECT_INCREF(thr, obj);
- ret = (duk_idx_t) (thr->valstack_top - thr->valstack_bottom);
thr->valstack_top++;
- /* default prototype (Note: 'obj' must be reachable) */
DUK_HOBJECT_SET_PROTOTYPE_UPDREF(thr, (duk_hobject *) obj, thr->builtins[DUK_BIDX_FUNCTION_PROTOTYPE]);
- return ret;
+ return obj;
}
DUK_LOCAL duk_idx_t duk__push_c_function_raw(duk_context *ctx, duk_c_function func, duk_idx_t nargs, duk_uint_t flags) {
duk_hthread *thr = (duk_hthread *) ctx;
- duk_hnativefunction *obj;
+ duk_hnatfunc *obj;
duk_idx_t ret;
duk_tval *tv_slot;
duk_int16_t func_nargs;
@@ -18741,22 +20366,22 @@ DUK_LOCAL duk_idx_t duk__push_c_function_raw(duk_context *ctx, duk_c_function fu
/* check stack first */
if (thr->valstack_top >= thr->valstack_end) {
- DUK_ERROR_API(thr, DUK_STR_PUSH_BEYOND_ALLOC_STACK);
+ DUK_ERROR_RANGE_PUSH_BEYOND(thr);
}
if (func == NULL) {
goto api_error;
}
- if (nargs >= 0 && nargs < DUK_HNATIVEFUNCTION_NARGS_MAX) {
+ if (nargs >= 0 && nargs < DUK_HNATFUNC_NARGS_MAX) {
func_nargs = (duk_int16_t) nargs;
} else if (nargs == DUK_VARARGS) {
- func_nargs = DUK_HNATIVEFUNCTION_NARGS_VARARGS;
+ func_nargs = DUK_HNATFUNC_NARGS_VARARGS;
} else {
goto api_error;
}
- obj = duk_hnativefunction_alloc(thr->heap, flags);
+ obj = duk_hnatfunc_alloc(thr->heap, flags);
if (!obj) {
- DUK_ERROR_ALLOC_DEFMSG(thr);
+ DUK_ERROR_ALLOC_FAILED(thr);
}
obj->func = func;
@@ -18777,7 +20402,7 @@ DUK_LOCAL duk_idx_t duk__push_c_function_raw(duk_context *ctx, duk_c_function fu
return ret;
api_error:
- DUK_ERROR_API(thr, DUK_STR_INVALID_CALL_ARGS);
+ DUK_ERROR_TYPE_INVALID_ARGS(thr);
return 0; /* not reached */
}
@@ -18788,7 +20413,7 @@ DUK_EXTERNAL duk_idx_t duk_push_c_function(duk_context *ctx, duk_c_function func
flags = DUK_HOBJECT_FLAG_EXTENSIBLE |
DUK_HOBJECT_FLAG_CONSTRUCTABLE |
- DUK_HOBJECT_FLAG_NATIVEFUNCTION |
+ DUK_HOBJECT_FLAG_NATFUNC |
DUK_HOBJECT_FLAG_NEWENV |
DUK_HOBJECT_FLAG_STRICT |
DUK_HOBJECT_FLAG_NOTAIL |
@@ -18805,7 +20430,7 @@ DUK_INTERNAL void duk_push_c_function_noexotic(duk_context *ctx, duk_c_function
flags = DUK_HOBJECT_FLAG_EXTENSIBLE |
DUK_HOBJECT_FLAG_CONSTRUCTABLE |
- DUK_HOBJECT_FLAG_NATIVEFUNCTION |
+ DUK_HOBJECT_FLAG_NATFUNC |
DUK_HOBJECT_FLAG_NEWENV |
DUK_HOBJECT_FLAG_STRICT |
DUK_HOBJECT_FLAG_NOTAIL |
@@ -18820,7 +20445,7 @@ DUK_INTERNAL void duk_push_c_function_noconstruct_noexotic(duk_context *ctx, duk
DUK_ASSERT_CTX_VALID(ctx);
flags = DUK_HOBJECT_FLAG_EXTENSIBLE |
- DUK_HOBJECT_FLAG_NATIVEFUNCTION |
+ DUK_HOBJECT_FLAG_NATFUNC |
DUK_HOBJECT_FLAG_NEWENV |
DUK_HOBJECT_FLAG_STRICT |
DUK_HOBJECT_FLAG_NOTAIL |
@@ -18838,7 +20463,7 @@ DUK_EXTERNAL duk_idx_t duk_push_c_lightfunc(duk_context *ctx, duk_c_function fun
/* check stack first */
if (thr->valstack_top >= thr->valstack_end) {
- DUK_ERROR_API(thr, DUK_STR_PUSH_BEYOND_ALLOC_STACK);
+ DUK_ERROR_RANGE_PUSH_BEYOND(thr);
}
if (nargs >= DUK_LFUNC_NARGS_MIN && nargs <= DUK_LFUNC_NARGS_MAX) {
@@ -18862,13 +20487,14 @@ DUK_EXTERNAL duk_idx_t duk_push_c_lightfunc(duk_context *ctx, duk_c_function fun
return ((duk_idx_t) (thr->valstack_top - thr->valstack_bottom)) - 1;
api_error:
- DUK_ERROR_API(thr, DUK_STR_INVALID_CALL_ARGS);
+ DUK_ERROR_TYPE_INVALID_ARGS(thr);
return 0; /* not reached */
}
-DUK_INTERNAL duk_hbufferobject *duk_push_bufferobject_raw(duk_context *ctx, duk_uint_t hobject_flags_and_class, duk_small_int_t prototype_bidx) {
+#if defined(DUK_USE_BUFFEROBJECT_SUPPORT)
+DUK_INTERNAL duk_hbufobj *duk_push_bufobj_raw(duk_context *ctx, duk_uint_t hobject_flags_and_class, duk_small_int_t prototype_bidx) {
duk_hthread *thr = (duk_hthread *) ctx;
- duk_hbufferobject *obj;
+ duk_hbufobj *obj;
duk_tval *tv_slot;
DUK_ASSERT(ctx != NULL);
@@ -18876,16 +20502,16 @@ DUK_INTERNAL duk_hbufferobject *duk_push_bufferobject_raw(duk_context *ctx, duk_
/* check stack first */
if (thr->valstack_top >= thr->valstack_end) {
- DUK_ERROR_API(thr, DUK_STR_PUSH_BEYOND_ALLOC_STACK);
+ DUK_ERROR_RANGE_PUSH_BEYOND(thr);
}
- obj = duk_hbufferobject_alloc(thr->heap, hobject_flags_and_class);
+ obj = duk_hbufobj_alloc(thr->heap, hobject_flags_and_class);
if (!obj) {
- DUK_ERROR_ALLOC_DEFMSG(thr);
+ DUK_ERROR_ALLOC_FAILED(thr);
}
DUK_HOBJECT_SET_PROTOTYPE_UPDREF(thr, (duk_hobject *) obj, thr->builtins[prototype_bidx]);
- DUK_ASSERT_HBUFFEROBJECT_VALID(obj);
+ DUK_ASSERT_HBUFOBJ_VALID(obj);
tv_slot = thr->valstack_top;
DUK_TVAL_SET_OBJECT(tv_slot, (duk_hobject *) obj);
@@ -18894,40 +20520,36 @@ DUK_INTERNAL duk_hbufferobject *duk_push_bufferobject_raw(duk_context *ctx, duk_
return obj;
}
+#endif /* DUK_USE_BUFFEROBJECT_SUPPORT */
/* XXX: There's quite a bit of overlap with buffer creation handling in
* duk_bi_buffer.c. Look for overlap and refactor.
*/
-#define DUK__PACK_ARGS(classnum,protobidx,elemtype,elemshift,isview) \
- (((classnum) << 24) | ((protobidx) << 16) | ((elemtype) << 8) | ((elemshift) << 4) | (isview))
-
#if defined(DUK_USE_BUFFEROBJECT_SUPPORT)
+#define DUK__PACK_ARGS(classnum,protobidx,elemtype,elemshift,istypedarray) \
+ (((classnum) << 24) | ((protobidx) << 16) | ((elemtype) << 8) | ((elemshift) << 4) | (istypedarray))
+
static const duk_uint32_t duk__bufobj_flags_lookup[] = {
- DUK__PACK_ARGS(DUK_HOBJECT_CLASS_BUFFER, DUK_BIDX_BUFFER_PROTOTYPE, DUK_HBUFFEROBJECT_ELEM_UINT8, 0, 0), /* DUK_BUFOBJ_DUKTAPE_BUFFER */
- DUK__PACK_ARGS(DUK_HOBJECT_CLASS_BUFFER, DUK_BIDX_NODEJS_BUFFER_PROTOTYPE, DUK_HBUFFEROBJECT_ELEM_UINT8, 0, 0), /* DUK_BUFOBJ_NODEJS_BUFFER */
- DUK__PACK_ARGS(DUK_HOBJECT_CLASS_ARRAYBUFFER, DUK_BIDX_ARRAYBUFFER_PROTOTYPE, DUK_HBUFFEROBJECT_ELEM_UINT8, 0, 0), /* DUK_BUFOBJ_ARRAYBUFFER */
- DUK__PACK_ARGS(DUK_HOBJECT_CLASS_DATAVIEW, DUK_BIDX_DATAVIEW_PROTOTYPE, DUK_HBUFFEROBJECT_ELEM_UINT8, 0, 1), /* DUK_BUFOBJ_DATAVIEW */
- DUK__PACK_ARGS(DUK_HOBJECT_CLASS_INT8ARRAY, DUK_BIDX_INT8ARRAY_PROTOTYPE, DUK_HBUFFEROBJECT_ELEM_INT8, 0, 1), /* DUK_BUFOBJ_INT8ARRAY */
- DUK__PACK_ARGS(DUK_HOBJECT_CLASS_UINT8ARRAY, DUK_BIDX_UINT8ARRAY_PROTOTYPE, DUK_HBUFFEROBJECT_ELEM_UINT8, 0, 1), /* DUK_BUFOBJ_UINT8ARRAY */
- DUK__PACK_ARGS(DUK_HOBJECT_CLASS_UINT8CLAMPEDARRAY, DUK_BIDX_UINT8CLAMPEDARRAY_PROTOTYPE, DUK_HBUFFEROBJECT_ELEM_UINT8CLAMPED, 0, 1), /* DUK_BUFOBJ_UINT8CLAMPEDARRAY */
- DUK__PACK_ARGS(DUK_HOBJECT_CLASS_INT16ARRAY, DUK_BIDX_INT16ARRAY_PROTOTYPE, DUK_HBUFFEROBJECT_ELEM_INT16, 1, 1), /* DUK_BUFOBJ_INT16ARRAY */
- DUK__PACK_ARGS(DUK_HOBJECT_CLASS_UINT16ARRAY, DUK_BIDX_UINT16ARRAY_PROTOTYPE, DUK_HBUFFEROBJECT_ELEM_UINT16, 1, 1), /* DUK_BUFOBJ_UINT16ARRAY */
- DUK__PACK_ARGS(DUK_HOBJECT_CLASS_INT32ARRAY, DUK_BIDX_INT32ARRAY_PROTOTYPE, DUK_HBUFFEROBJECT_ELEM_INT32, 2, 1), /* DUK_BUFOBJ_INT32ARRAY */
- DUK__PACK_ARGS(DUK_HOBJECT_CLASS_UINT32ARRAY, DUK_BIDX_UINT32ARRAY_PROTOTYPE, DUK_HBUFFEROBJECT_ELEM_UINT32, 2, 1), /* DUK_BUFOBJ_UINT32ARRAY */
- DUK__PACK_ARGS(DUK_HOBJECT_CLASS_FLOAT32ARRAY, DUK_BIDX_FLOAT32ARRAY_PROTOTYPE, DUK_HBUFFEROBJECT_ELEM_FLOAT32, 2, 1), /* DUK_BUFOBJ_FLOAT32ARRAY */
- DUK__PACK_ARGS(DUK_HOBJECT_CLASS_FLOAT64ARRAY, DUK_BIDX_FLOAT64ARRAY_PROTOTYPE, DUK_HBUFFEROBJECT_ELEM_FLOAT64, 3, 1) /* DUK_BUFOBJ_FLOAT64ARRAY */
-};
-#else /* DUK_USE_BUFFEROBJECT_SUPPORT */
-/* Only allow Duktape.Buffer when support disabled. */
-static const duk_uint32_t duk__bufobj_flags_lookup[] = {
- DUK__PACK_ARGS(DUK_HOBJECT_CLASS_BUFFER, DUK_BIDX_BUFFER_PROTOTYPE, DUK_HBUFFEROBJECT_ELEM_UINT8, 0, 0) /* DUK_BUFOBJ_DUKTAPE_BUFFER */
+ /* Node.js Buffers are Uint8Array instances which inherit from Buffer.prototype. */
+ DUK__PACK_ARGS(DUK_HOBJECT_CLASS_ARRAYBUFFER, DUK_BIDX_ARRAYBUFFER_PROTOTYPE, DUK_HBUFOBJ_ELEM_UINT8, 0, 0), /* DUK_BUFOBJ_ARRAYBUFFER */
+ DUK__PACK_ARGS(DUK_HOBJECT_CLASS_UINT8ARRAY, DUK_BIDX_NODEJS_BUFFER_PROTOTYPE, DUK_HBUFOBJ_ELEM_UINT8, 0, 1), /* DUK_BUFOBJ_NODEJS_BUFFER */
+ DUK__PACK_ARGS(DUK_HOBJECT_CLASS_DATAVIEW, DUK_BIDX_DATAVIEW_PROTOTYPE, DUK_HBUFOBJ_ELEM_UINT8, 0, 0), /* DUK_BUFOBJ_DATAVIEW */
+ DUK__PACK_ARGS(DUK_HOBJECT_CLASS_INT8ARRAY, DUK_BIDX_INT8ARRAY_PROTOTYPE, DUK_HBUFOBJ_ELEM_INT8, 0, 1), /* DUK_BUFOBJ_INT8ARRAY */
+ DUK__PACK_ARGS(DUK_HOBJECT_CLASS_UINT8ARRAY, DUK_BIDX_UINT8ARRAY_PROTOTYPE, DUK_HBUFOBJ_ELEM_UINT8, 0, 1), /* DUK_BUFOBJ_UINT8ARRAY */
+ DUK__PACK_ARGS(DUK_HOBJECT_CLASS_UINT8CLAMPEDARRAY, DUK_BIDX_UINT8CLAMPEDARRAY_PROTOTYPE, DUK_HBUFOBJ_ELEM_UINT8CLAMPED, 0, 1), /* DUK_BUFOBJ_UINT8CLAMPEDARRAY */
+ DUK__PACK_ARGS(DUK_HOBJECT_CLASS_INT16ARRAY, DUK_BIDX_INT16ARRAY_PROTOTYPE, DUK_HBUFOBJ_ELEM_INT16, 1, 1), /* DUK_BUFOBJ_INT16ARRAY */
+ DUK__PACK_ARGS(DUK_HOBJECT_CLASS_UINT16ARRAY, DUK_BIDX_UINT16ARRAY_PROTOTYPE, DUK_HBUFOBJ_ELEM_UINT16, 1, 1), /* DUK_BUFOBJ_UINT16ARRAY */
+ DUK__PACK_ARGS(DUK_HOBJECT_CLASS_INT32ARRAY, DUK_BIDX_INT32ARRAY_PROTOTYPE, DUK_HBUFOBJ_ELEM_INT32, 2, 1), /* DUK_BUFOBJ_INT32ARRAY */
+ DUK__PACK_ARGS(DUK_HOBJECT_CLASS_UINT32ARRAY, DUK_BIDX_UINT32ARRAY_PROTOTYPE, DUK_HBUFOBJ_ELEM_UINT32, 2, 1), /* DUK_BUFOBJ_UINT32ARRAY */
+ DUK__PACK_ARGS(DUK_HOBJECT_CLASS_FLOAT32ARRAY, DUK_BIDX_FLOAT32ARRAY_PROTOTYPE, DUK_HBUFOBJ_ELEM_FLOAT32, 2, 1), /* DUK_BUFOBJ_FLOAT32ARRAY */
+ DUK__PACK_ARGS(DUK_HOBJECT_CLASS_FLOAT64ARRAY, DUK_BIDX_FLOAT64ARRAY_PROTOTYPE, DUK_HBUFOBJ_ELEM_FLOAT64, 3, 1) /* DUK_BUFOBJ_FLOAT64ARRAY */
};
#endif /* DUK_USE_BUFFEROBJECT_SUPPORT */
-#undef DUK__PACK_ARGS
+#if defined(DUK_USE_BUFFEROBJECT_SUPPORT)
DUK_EXTERNAL void duk_push_buffer_object(duk_context *ctx, duk_idx_t idx_buffer, duk_size_t byte_offset, duk_size_t byte_length, duk_uint_t flags) {
duk_hthread *thr;
- duk_hbufferobject *h_bufobj;
+ duk_hbufobj *h_bufobj;
duk_hbuffer *h_val;
duk_uint32_t tmp;
duk_uint_t classnum;
@@ -18939,9 +20561,9 @@ DUK_EXTERNAL void duk_push_buffer_object(duk_context *ctx, duk_idx_t idx_buffer,
thr = (duk_hthread *) ctx;
DUK_UNREF(thr);
- /* The underlying types for offset/length in duk_hbufferobject is
- * duk_uint_t; make sure argument values fit and that offset + length
- * does not wrap.
+ /* The underlying types for offset/length in duk_hbufobj is
+ * duk_uint_t; make sure argument values fit and that
+ * offset + length does not wrap.
*/
uint_offset = (duk_uint_t) byte_offset;
uint_length = (duk_uint_t) byte_length;
@@ -18968,11 +20590,11 @@ DUK_EXTERNAL void duk_push_buffer_object(duk_context *ctx, duk_idx_t idx_buffer,
h_val = duk_require_hbuffer(ctx, idx_buffer);
DUK_ASSERT(h_val != NULL);
- h_bufobj = duk_push_bufferobject_raw(ctx,
- DUK_HOBJECT_FLAG_EXTENSIBLE |
- DUK_HOBJECT_FLAG_BUFFEROBJECT |
- DUK_HOBJECT_CLASS_AS_FLAGS(classnum),
- protobidx);
+ h_bufobj = duk_push_bufobj_raw(ctx,
+ DUK_HOBJECT_FLAG_EXTENSIBLE |
+ DUK_HOBJECT_FLAG_BUFOBJ |
+ DUK_HOBJECT_CLASS_AS_FLAGS(classnum),
+ protobidx);
DUK_ASSERT(h_bufobj != NULL);
h_bufobj->buf = h_val;
@@ -18981,53 +20603,69 @@ DUK_EXTERNAL void duk_push_buffer_object(duk_context *ctx, duk_idx_t idx_buffer,
h_bufobj->length = uint_length;
h_bufobj->shift = (tmp >> 4) & 0x0f;
h_bufobj->elem_type = (tmp >> 8) & 0xff;
- h_bufobj->is_view = tmp & 0x0f;
- DUK_ASSERT_HBUFFEROBJECT_VALID(h_bufobj);
+ h_bufobj->is_typedarray = tmp & 0x0f;
+ DUK_ASSERT_HBUFOBJ_VALID(h_bufobj);
-#if defined(DUK_USE_BUFFEROBJECT_SUPPORT)
/* TypedArray views need an automatic ArrayBuffer which must be
- * provided as .buffer property of the view. Just create a new
- * ArrayBuffer sharing the same underlying buffer.
+ * provided as .buffer property of the view. The ArrayBuffer is
+ * referenced via duk_hbufobj->buf_prop and an inherited .buffer
+ * accessor returns it.
+ *
+ * The ArrayBuffer offset is always set to zero, so that if one
+ * accesses the ArrayBuffer at the view's .byteOffset, the value
+ * matches the view at index 0.
*/
if (flags & DUK_BUFOBJ_CREATE_ARRBUF) {
- h_bufobj = duk_push_bufferobject_raw(ctx,
- DUK_HOBJECT_FLAG_EXTENSIBLE |
- DUK_HOBJECT_FLAG_BUFFEROBJECT |
- DUK_HOBJECT_CLASS_AS_FLAGS(DUK_HOBJECT_CLASS_ARRAYBUFFER),
- DUK_BIDX_ARRAYBUFFER_PROTOTYPE);
+ duk_hbufobj *h_arrbuf;
- DUK_ASSERT(h_bufobj != NULL);
+ h_arrbuf = duk_push_bufobj_raw(ctx,
+ DUK_HOBJECT_FLAG_EXTENSIBLE |
+ DUK_HOBJECT_FLAG_BUFOBJ |
+ DUK_HOBJECT_CLASS_AS_FLAGS(DUK_HOBJECT_CLASS_ARRAYBUFFER),
+ DUK_BIDX_ARRAYBUFFER_PROTOTYPE);
+ DUK_ASSERT(h_arrbuf != NULL);
- h_bufobj->buf = h_val;
+ h_arrbuf->buf = h_val;
DUK_HBUFFER_INCREF(thr, h_val);
- h_bufobj->offset = uint_offset;
- h_bufobj->length = uint_length;
- DUK_ASSERT(h_bufobj->shift == 0);
- h_bufobj->elem_type = DUK_HBUFFEROBJECT_ELEM_UINT8;
- DUK_ASSERT(h_bufobj->is_view == 0);
- DUK_ASSERT_HBUFFEROBJECT_VALID(h_bufobj);
+ h_arrbuf->offset = 0;
+ h_arrbuf->length = uint_offset + uint_length; /* Wrap checked above. */
+ DUK_ASSERT(h_arrbuf->shift == 0);
+ h_arrbuf->elem_type = DUK_HBUFOBJ_ELEM_UINT8;
+ DUK_ASSERT(h_arrbuf->is_typedarray == 0);
+ DUK_ASSERT_HBUFOBJ_VALID(h_arrbuf);
+ DUK_ASSERT(h_arrbuf->buf_prop == NULL);
+
+ DUK_ASSERT(h_bufobj->buf_prop == NULL);
+ h_bufobj->buf_prop = (duk_hobject *) h_arrbuf;
+ DUK_HBUFOBJ_INCREF(thr, h_arrbuf); /* Now reachable and accounted for. */
- duk_xdef_prop_stridx(ctx, -2, DUK_STRIDX_LC_BUFFER, DUK_PROPDESC_FLAGS_NONE);
- duk_compact(ctx, -1);
+ duk_pop(ctx);
}
-#endif /* DUK_USE_BUFFEROBJECT_SUPPORT */
return;
range_error:
- DUK_ERROR_RANGE(thr, DUK_STR_INVALID_CALL_ARGS);
+ DUK_ERROR_RANGE(thr, DUK_STR_INVALID_ARGS);
return; /* not reached */
arg_error:
- DUK_ERROR_TYPE(thr, DUK_STR_INVALID_CALL_ARGS);
+ DUK_ERROR_TYPE(thr, DUK_STR_INVALID_ARGS);
return; /* not reached */
}
+#else /* DUK_USE_BUFFEROBJECT_SUPPORT */
+DUK_EXTERNAL void duk_push_buffer_object(duk_context *ctx, duk_idx_t idx_buffer, duk_size_t byte_offset, duk_size_t byte_length, duk_uint_t flags) {
+ DUK_UNREF(idx_buffer);
+ DUK_UNREF(byte_offset);
+ DUK_UNREF(byte_length);
+ DUK_UNREF(flags);
+ DUK_ERROR_UNSUPPORTED((duk_hthread *) ctx);
+}
+#endif /* DUK_USE_BUFFEROBJECT_SUPPORT */
DUK_EXTERNAL duk_idx_t duk_push_error_object_va_raw(duk_context *ctx, duk_errcode_t err_code, const char *filename, duk_int_t line, const char *fmt, va_list ap) {
duk_hthread *thr = (duk_hthread *) ctx;
- duk_idx_t ret;
duk_hobject *proto;
-#ifdef DUK_USE_AUGMENT_ERROR_CREATE
+#if defined(DUK_USE_AUGMENT_ERROR_CREATE)
duk_bool_t noblame_fileline;
#endif
@@ -19037,22 +20675,22 @@ DUK_EXTERNAL duk_idx_t duk_push_error_object_va_raw(duk_context *ctx, duk_errcod
DUK_UNREF(line);
/* Error code also packs a tracedata related flag. */
-#ifdef DUK_USE_AUGMENT_ERROR_CREATE
+#if defined(DUK_USE_AUGMENT_ERROR_CREATE)
noblame_fileline = err_code & DUK_ERRCODE_FLAG_NOBLAME_FILELINE;
#endif
err_code = err_code & (~DUK_ERRCODE_FLAG_NOBLAME_FILELINE);
/* error gets its 'name' from the prototype */
proto = duk_error_prototype_from_code(thr, err_code);
- ret = duk_push_object_helper_proto(ctx,
- DUK_HOBJECT_FLAG_EXTENSIBLE |
- DUK_HOBJECT_CLASS_AS_FLAGS(DUK_HOBJECT_CLASS_ERROR),
- proto);
+ (void) duk_push_object_helper_proto(ctx,
+ DUK_HOBJECT_FLAG_EXTENSIBLE |
+ DUK_HOBJECT_CLASS_AS_FLAGS(DUK_HOBJECT_CLASS_ERROR),
+ proto);
/* ... and its 'message' from an instance property */
if (fmt) {
duk_push_vsprintf(ctx, fmt, ap);
- duk_xdef_prop_stridx(ctx, -2, DUK_STRIDX_MESSAGE, DUK_PROPDESC_FLAGS_WC);
+ duk_xdef_prop_stridx_short(ctx, -2, DUK_STRIDX_MESSAGE, DUK_PROPDESC_FLAGS_WC);
} else {
/* If no explicit message given, put error code into message field
* (as a number). This is not fully in keeping with the Ecmascript
@@ -19061,18 +20699,18 @@ DUK_EXTERNAL duk_idx_t duk_push_error_object_va_raw(duk_context *ctx, duk_errcod
* probably more useful than having a separate 'code' property.
*/
duk_push_int(ctx, err_code);
- duk_xdef_prop_stridx(ctx, -2, DUK_STRIDX_MESSAGE, DUK_PROPDESC_FLAGS_WC);
+ duk_xdef_prop_stridx_short(ctx, -2, DUK_STRIDX_MESSAGE, DUK_PROPDESC_FLAGS_WC);
}
/* XXX: .code = err_code disabled, not sure if useful */
/* Creation time error augmentation */
-#ifdef DUK_USE_AUGMENT_ERROR_CREATE
+#if defined(DUK_USE_AUGMENT_ERROR_CREATE)
/* filename may be NULL in which case file/line is not recorded */
duk_err_augment_error_create(thr, thr, filename, line, noblame_fileline); /* may throw an error */
#endif
- return ret;
+ return duk_get_top_index_unsafe(ctx);
}
DUK_EXTERNAL duk_idx_t duk_push_error_object_raw(duk_context *ctx, duk_errcode_t err_code, const char *filename, duk_int_t line, const char *fmt, ...) {
@@ -19115,7 +20753,7 @@ DUK_EXTERNAL void *duk_push_buffer_raw(duk_context *ctx, duk_size_t size, duk_sm
/* check stack first */
if (thr->valstack_top >= thr->valstack_end) {
- DUK_ERROR_API(thr, DUK_STR_PUSH_BEYOND_ALLOC_STACK);
+ DUK_ERROR_RANGE_PUSH_BEYOND(thr);
}
/* Check for maximum buffer length. */
@@ -19125,7 +20763,7 @@ DUK_EXTERNAL void *duk_push_buffer_raw(duk_context *ctx, duk_size_t size, duk_sm
h = duk_hbuffer_alloc(thr->heap, size, flags, &buf_data);
if (!h) {
- DUK_ERROR_ALLOC_DEFMSG(thr);
+ DUK_ERROR_ALLOC_FAILED(thr);
}
tv_slot = thr->valstack_top;
@@ -19136,19 +20774,126 @@ DUK_EXTERNAL void *duk_push_buffer_raw(duk_context *ctx, duk_size_t size, duk_sm
return (void *) buf_data;
}
+DUK_INTERNAL void *duk_push_fixed_buffer_nozero(duk_context *ctx, duk_size_t len) {
+ return duk_push_buffer_raw(ctx, len, DUK_BUF_FLAG_NOZERO);
+}
+
+DUK_INTERNAL void *duk_push_fixed_buffer_zero(duk_context *ctx, duk_size_t len) {
+ void *ptr;
+ ptr = duk_push_buffer_raw(ctx, len, 0);
+#if !defined(DUK_USE_ZERO_BUFFER_DATA)
+ /* ES2015 requires zeroing even when DUK_USE_ZERO_BUFFER_DATA
+ * is not set.
+ */
+ DUK_MEMZERO((void *) ptr, (size_t) len);
+#endif
+ return ptr;
+}
+
+#if defined(DUK_USE_ASSERTIONS)
+DUK_LOCAL void duk__validate_push_heapptr(duk_context *ctx, void *ptr) {
+ duk_heaphdr *h;
+ duk_heaphdr *curr;
+ duk_hthread *thr;
+ duk_bool_t found = 0;
+
+ thr = (duk_hthread *) ctx;
+ h = (duk_heaphdr *) ptr;
+ if (h == NULL) {
+ /* Allowed. */
+ return;
+ }
+ DUK_ASSERT(h != NULL);
+ DUK_ASSERT(DUK_HEAPHDR_HTYPE_VALID(h));
+
+ /* One particular problem case is where an object has been
+ * queued for finalization but the finalizer hasn't yet been
+ * executed.
+ *
+ * Corner case: we're running in a finalizer for object X, and
+ * user code calls duk_push_heapptr() for X itself. In this
+ * case X will be in finalize_list, and we can detect the case
+ * by seeing that X's FINALIZED flag is set (which is done before
+ * the finalizer starts executing).
+ */
+ for (curr = thr->heap->finalize_list;
+ curr != NULL;
+ curr = DUK_HEAPHDR_GET_NEXT(thr->heap, curr)) {
+ if (curr == h) {
+ if (DUK_HEAPHDR_HAS_FINALIZED((duk_heaphdr *) h)) {
+ /* Object is currently being finalized. */
+ DUK_ASSERT(found == 0); /* Would indicate corrupted lists. */
+ found = 1;
+ } else {
+ DUK_ASSERT(0);
+ }
+ }
+ }
+
+ /* Also check for the refzero_list; must not be there unless it is
+ * being finalized when duk_push_heapptr() is called.
+ *
+ * Corner case: similar to finalize_list.
+ */
+#if defined(DUK_USE_REFERENCE_COUNTING)
+ for (curr = thr->heap->refzero_list;
+ curr != NULL;
+ curr = DUK_HEAPHDR_GET_NEXT(thr->heap, curr)) {
+ if (curr == h) {
+ if (DUK_HEAPHDR_HAS_FINALIZED((duk_heaphdr *) h)) {
+ /* Object is currently being finalized. */
+ DUK_ASSERT(found == 0); /* Would indicate corrupted lists. */
+ found = 1;
+ } else {
+ DUK_ASSERT(0);
+ }
+ }
+ }
+#endif
+
+ /* If not present in finalize_list or refzero_list, the pointer
+ * must be either in heap_allocated or the string table.
+ */
+ if (DUK_HEAPHDR_GET_TYPE(h) == DUK_HTYPE_STRING) {
+ /* Omitted from Duktape 2.0.x maintenance backport. */
+ } else {
+ for (curr = thr->heap->heap_allocated;
+ curr != NULL;
+ curr = DUK_HEAPHDR_GET_NEXT(thr->heap, curr)) {
+ if (curr == h) {
+ DUK_ASSERT(found == 0); /* Would indicate corrupted lists. */
+ found = 1;
+ }
+ }
+ DUK_ASSERT(found != 0);
+ }
+}
+#endif /* DUK_USE_ASSERTIONS */
+
DUK_EXTERNAL duk_idx_t duk_push_heapptr(duk_context *ctx, void *ptr) {
duk_hthread *thr = (duk_hthread *) ctx;
duk_idx_t ret;
DUK_ASSERT_CTX_VALID(ctx);
+ /* Reviving an object using a heap pointer is a dangerous API
+ * operation: if the application doesn't guarantee that the
+ * pointer target is always reachable, difficult-to-diagnose
+ * problems may ensue. Try to validate the 'ptr' argument to
+ * the extent possible.
+ */
+
+#if defined(DUK_USE_ASSERTIONS)
+ duk__validate_push_heapptr(ctx, ptr);
+#endif
+
ret = (duk_idx_t) (thr->valstack_top - thr->valstack_bottom);
if (ptr == NULL) {
goto push_undefined;
}
- switch ((int) DUK_HEAPHDR_GET_TYPE((duk_heaphdr *) ptr)) {
+ switch (DUK_HEAPHDR_GET_TYPE((duk_heaphdr *) ptr)) {
case DUK_HTYPE_STRING:
duk_push_hstring(ctx, (duk_hstring *) ptr);
break;
@@ -19168,11 +20913,13 @@ DUK_EXTERNAL duk_idx_t duk_push_heapptr(duk_context *ctx, void *ptr) {
return ret;
}
-DUK_INTERNAL duk_idx_t duk_push_object_internal(duk_context *ctx) {
- return duk_push_object_helper(ctx,
+/* Push object with no prototype, i.e. a "bare" object. */
+DUK_EXTERNAL duk_idx_t duk_push_bare_object(duk_context *ctx) {
+ (void) duk_push_object_helper(ctx,
DUK_HOBJECT_FLAG_EXTENSIBLE |
DUK_HOBJECT_CLASS_AS_FLAGS(DUK_HOBJECT_CLASS_OBJECT),
-1); /* no prototype */
+ return duk_get_top_index_unsafe(ctx);
}
DUK_INTERNAL void duk_push_hstring(duk_context *ctx, duk_hstring *h) {
@@ -19183,13 +20930,19 @@ DUK_INTERNAL void duk_push_hstring(duk_context *ctx, duk_hstring *h) {
duk_push_tval(ctx, &tv);
}
-DUK_INTERNAL void duk_push_hstring_stridx(duk_context *ctx, duk_small_int_t stridx) {
+DUK_INTERNAL void duk_push_hstring_stridx(duk_context *ctx, duk_small_uint_t stridx) {
duk_hthread *thr = (duk_hthread *) ctx;
DUK_UNREF(thr);
- DUK_ASSERT(stridx >= 0 && stridx < DUK_HEAP_NUM_STRINGS);
+ DUK_ASSERT_STRIDX_VALID(stridx);
duk_push_hstring(ctx, DUK_HTHREAD_GET_STRING(thr, stridx));
}
+DUK_INTERNAL void duk_push_hstring_empty(duk_context *ctx) {
+ duk_hthread *thr = (duk_hthread *) ctx;
+ DUK_UNREF(thr);
+ duk_push_hstring(ctx, DUK_HTHREAD_GET_STRING(thr, DUK_STRIDX_EMPTY_STRING));
+}
+
DUK_INTERNAL void duk_push_hobject(duk_context *ctx, duk_hobject *h) {
duk_tval tv;
DUK_ASSERT_CTX_VALID(ctx);
@@ -19222,17 +20975,20 @@ DUK_INTERNAL void duk_push_hobject_bidx(duk_context *ctx, duk_small_int_t builti
DUK_EXTERNAL void duk_pop_n(duk_context *ctx, duk_idx_t count) {
duk_hthread *thr = (duk_hthread *) ctx;
duk_tval *tv;
+#if defined(DUK_USE_REFERENCE_COUNTING)
+ duk_tval *tv_end;
+#endif
DUK_ASSERT_CTX_VALID(ctx);
if (DUK_UNLIKELY(count < 0)) {
- DUK_ERROR_API(thr, DUK_STR_INVALID_COUNT);
+ DUK_ERROR_RANGE_INVALID_COUNT(thr);
return;
}
DUK_ASSERT(thr->valstack_top >= thr->valstack_bottom);
if (DUK_UNLIKELY((duk_size_t) (thr->valstack_top - thr->valstack_bottom) < (duk_size_t) count)) {
- DUK_ERROR_API(thr, DUK_STR_POP_TOO_MANY);
+ DUK_ERROR_RANGE_INVALID_COUNT(thr);
}
/*
@@ -19248,12 +21004,15 @@ DUK_EXTERNAL void duk_pop_n(duk_context *ctx, duk_idx_t count) {
/* XXX: optimize loops */
#if defined(DUK_USE_REFERENCE_COUNTING)
- while (count > 0) {
- count--;
- tv = --thr->valstack_top; /* tv points to element just below prev top */
+ tv = thr->valstack_top;
+ tv_end = tv - count;
+ while (tv != tv_end) {
+ tv--;
DUK_ASSERT(tv >= thr->valstack_bottom);
- DUK_TVAL_SET_UNDEFINED_UPDREF(thr, tv); /* side effects */
+ DUK_TVAL_SET_UNDEFINED_UPDREF_NORZ(thr, tv);
}
+ thr->valstack_top = tv;
+ DUK_REFZERO_CHECK_FAST(thr);
#else
tv = thr->valstack_top;
while (count > 0) {
@@ -19284,12 +21043,40 @@ DUK_EXTERNAL void duk_pop(duk_context *ctx) {
DUK_ASSERT(thr->valstack_top >= thr->valstack_bottom);
if (DUK_UNLIKELY(thr->valstack_top == thr->valstack_bottom)) {
- DUK_ERROR_API(thr, DUK_STR_POP_TOO_MANY);
+ DUK_ERROR_RANGE_INVALID_COUNT(thr);
}
tv = --thr->valstack_top; /* tv points to element just below prev top */
DUK_ASSERT(tv >= thr->valstack_bottom);
-#ifdef DUK_USE_REFERENCE_COUNTING
+#if defined(DUK_USE_REFERENCE_COUNTING)
+ DUK_TVAL_SET_UNDEFINED_UPDREF(thr, tv); /* side effects */
+#else
+ DUK_TVAL_SET_UNDEFINED(tv);
+#endif
+ DUK_ASSERT(thr->valstack_top >= thr->valstack_bottom);
+}
+#endif /* !DUK_USE_PREFER_SIZE */
+
+/* Unsafe internal variant which assumes there are enough values on the value
+ * stack so that a top check can be skipped safely.
+ */
+#if defined(DUK_USE_PREFER_SIZE)
+DUK_INTERNAL void duk_pop_unsafe(duk_context *ctx) {
+ DUK_ASSERT_CTX_VALID(ctx);
+ duk_pop_n(ctx, 1);
+}
+#else
+DUK_INTERNAL void duk_pop_unsafe(duk_context *ctx) {
+ duk_hthread *thr = (duk_hthread *) ctx;
+ duk_tval *tv;
+ DUK_ASSERT_CTX_VALID(ctx);
+
+ DUK_ASSERT(thr->valstack_top >= thr->valstack_bottom);
+ DUK_ASSERT(thr->valstack_top != thr->valstack_bottom);
+
+ tv = --thr->valstack_top; /* tv points to element just below prev top */
+ DUK_ASSERT(tv >= thr->valstack_bottom);
+#if defined(DUK_USE_REFERENCE_COUNTING)
DUK_TVAL_SET_UNDEFINED_UPDREF(thr, tv); /* side effects */
#else
DUK_TVAL_SET_UNDEFINED(tv);
@@ -19309,10 +21096,85 @@ DUK_EXTERNAL void duk_pop_3(duk_context *ctx) {
}
/*
+ * Pack and unpack (pack value stack entries into an array and vice versa)
+ */
+
+/* XXX: pack index range? array index offset? */
+DUK_INTERNAL void duk_pack(duk_context *ctx, duk_idx_t count) {
+ duk_hthread *thr;
+ duk_harray *a;
+ duk_tval *tv_src;
+ duk_tval *tv_dst;
+ duk_tval *tv_curr;
+ duk_tval *tv_limit;
+ duk_idx_t top;
+
+ DUK_ASSERT_CTX_VALID(ctx);
+ thr = (duk_hthread *) ctx;
+
+ top = (duk_idx_t) (thr->valstack_top - thr->valstack_bottom);
+ if (count < 0 || count > top) {
+ DUK_ERROR_RANGE_INVALID_COUNT(thr);
+ return;
+ }
+
+ /* Wrapping is controlled by the check above: value stack top can be
+ * at most thr->valstack_max which is low enough so that multiplying
+ * with sizeof(duk_tval) won't wrap.
+ */
+ DUK_ASSERT(count >= 0 && count <= (duk_idx_t) thr->valstack_max);
+ DUK_ASSERT((duk_size_t) count <= DUK_SIZE_MAX / sizeof(duk_tval)); /* no wrapping */
+
+ a = duk_push_harray_with_size(ctx, (duk_uint32_t) count); /* XXX: uninitialized would be OK */
+ DUK_ASSERT(a != NULL);
+ DUK_ASSERT(DUK_HOBJECT_GET_ASIZE((duk_hobject *) a) == (duk_uint32_t) count);
+ DUK_ASSERT(count == 0 || DUK_HOBJECT_A_GET_BASE(thr->heap, (duk_hobject *) a) != NULL);
+ DUK_ASSERT((duk_idx_t) a->length == count);
+
+ /* Copy value stack values directly to the array part without
+ * any refcount updates: net refcount changes are zero.
+ */
+
+ tv_src = thr->valstack_top - count - 1;
+ tv_dst = DUK_HOBJECT_A_GET_BASE(thr->heap, (duk_hobject *) a);
+ DUK_MEMCPY((void *) tv_dst, (const void *) tv_src, (size_t) count * sizeof(duk_tval));
+
+ /* Overwrite result array to final value stack location and wipe
+ * the rest; no refcount operations needed.
+ */
+
+ tv_dst = tv_src; /* when count == 0, same as tv_src (OK) */
+ tv_src = thr->valstack_top - 1;
+ DUK_TVAL_SET_TVAL(tv_dst, tv_src);
+
+ /* XXX: internal helper to wipe a value stack segment? */
+ tv_curr = tv_dst + 1;
+ tv_limit = thr->valstack_top;
+ while (tv_curr != tv_limit) {
+ /* Wipe policy: keep as 'undefined'. */
+ DUK_TVAL_SET_UNDEFINED(tv_curr);
+ tv_curr++;
+ }
+ thr->valstack_top = tv_dst + 1;
+}
+
+#if 0
+/* XXX: unpack to position? */
+DUK_INTERNAL void duk_unpack(duk_context *ctx) {
+ /* - dense with length <= a_part
+ * - dense with length > a_part
+ * - sparse
+ * - array-like but not actually an array?
+ * - how to deal with 'unused' values (gaps); inherit or ignore?
+ */
+}
+#endif
+
+/*
* Error throwing
*/
-DUK_EXTERNAL void duk_throw(duk_context *ctx) {
+DUK_EXTERNAL void duk_throw_raw(duk_context *ctx) {
duk_hthread *thr = (duk_hthread *) ctx;
DUK_ASSERT(thr->valstack_bottom >= thr->valstack);
@@ -19320,7 +21182,7 @@ DUK_EXTERNAL void duk_throw(duk_context *ctx) {
DUK_ASSERT(thr->valstack_end >= thr->valstack_top);
if (thr->valstack_top == thr->valstack_bottom) {
- DUK_ERROR_API(thr, DUK_STR_INVALID_CALL_ARGS);
+ DUK_ERROR_TYPE_INVALID_ARGS(thr);
}
/* Errors are augmented when they are created, not when they are
@@ -19343,15 +21205,15 @@ DUK_EXTERNAL void duk_throw(duk_context *ctx) {
duk_err_setup_heap_ljstate(thr, DUK_LJ_TYPE_THROW);
/* thr->heap->lj.jmpbuf_ptr is checked by duk_err_longjmp() so we don't
- * need to check that here. If the value is NULL, a panic occurs because
- * we can't return.
+ * need to check that here. If the value is NULL, a fatal error occurs
+ * because we can't return.
*/
duk_err_longjmp(thr);
DUK_UNREACHABLE();
}
-DUK_EXTERNAL void duk_fatal(duk_context *ctx, duk_errcode_t err_code, const char *err_msg) {
+DUK_EXTERNAL void duk_fatal_raw(duk_context *ctx, const char *err_msg) {
duk_hthread *thr = (duk_hthread *) ctx;
DUK_ASSERT_CTX_VALID(ctx);
@@ -19359,23 +21221,29 @@ DUK_EXTERNAL void duk_fatal(duk_context *ctx, duk_errcode_t err_code, const char
DUK_ASSERT(thr->heap != NULL);
DUK_ASSERT(thr->heap->fatal_func != NULL);
- DUK_D(DUK_DPRINT("fatal error occurred, code %ld, message %s",
- (long) err_code, (const char *) err_msg));
+ DUK_D(DUK_DPRINT("fatal error occurred: %s", err_msg ? err_msg : "NULL"));
/* fatal_func should be noreturn, but noreturn declarations on function
* pointers has a very spotty support apparently so it's not currently
* done.
*/
- thr->heap->fatal_func(ctx, err_code, err_msg);
+ thr->heap->fatal_func(thr->heap->heap_udata, err_msg);
- DUK_PANIC(DUK_ERR_API_ERROR, "fatal handler returned");
+ /* If the fatal handler returns, all bets are off. It'd be nice to
+ * print something here but since we don't want to depend on stdio,
+ * there's no way to do so portably.
+ */
+ DUK_D(DUK_DPRINT("fatal error handler returned, all bets are off!"));
+ for (;;) {
+ /* loop forever, don't return (function marked noreturn) */
+ }
}
DUK_EXTERNAL void duk_error_va_raw(duk_context *ctx, duk_errcode_t err_code, const char *filename, duk_int_t line, const char *fmt, va_list ap) {
DUK_ASSERT_CTX_VALID(ctx);
duk_push_error_object_va_raw(ctx, err_code, filename, line, fmt, ap);
- duk_throw(ctx);
+ (void) duk_throw(ctx);
}
DUK_EXTERNAL void duk_error_raw(duk_context *ctx, duk_errcode_t err_code, const char *filename, duk_int_t line, const char *fmt, ...) {
@@ -19386,14 +21254,15 @@ DUK_EXTERNAL void duk_error_raw(duk_context *ctx, duk_errcode_t err_code, const
va_start(ap, fmt);
duk_push_error_object_va_raw(ctx, err_code, filename, line, fmt, ap);
va_end(ap);
- duk_throw(ctx);
+ (void) duk_throw(ctx);
}
#if !defined(DUK_USE_VARIADIC_MACROS)
-DUK_EXTERNAL void duk_error_stash(duk_context *ctx, duk_errcode_t err_code, const char *fmt, ...) {
+DUK_NORETURN(DUK_LOCAL_DECL void duk__throw_error_from_stash(duk_context *ctx, duk_errcode_t err_code, const char *fmt, va_list ap));
+
+DUK_LOCAL void duk__throw_error_from_stash(duk_context *ctx, duk_errcode_t err_code, const char *fmt, va_list ap) {
const char *filename;
duk_int_t line;
- va_list ap;
DUK_ASSERT_CTX_VALID(ctx);
@@ -19402,10 +21271,41 @@ DUK_EXTERNAL void duk_error_stash(duk_context *ctx, duk_errcode_t err_code, cons
duk_api_global_filename = NULL;
duk_api_global_line = 0;
- va_start(ap, fmt);
duk_push_error_object_va_raw(ctx, err_code, filename, line, fmt, ap);
- va_end(ap);
- duk_throw(ctx);
+ (void) duk_throw(ctx);
+}
+
+#define DUK__ERROR_STASH_SHARED(code) do { \
+ va_list ap; \
+ va_start(ap, fmt); \
+ duk__throw_error_from_stash(ctx, (code), fmt, ap); \
+ va_end(ap); \
+ /* Never reached; if return 0 here, gcc/clang will complain. */ \
+ } while (0)
+
+DUK_EXTERNAL duk_ret_t duk_error_stash(duk_context *ctx, duk_errcode_t err_code, const char *fmt, ...) {
+ DUK__ERROR_STASH_SHARED(err_code);
+}
+DUK_EXTERNAL duk_ret_t duk_generic_error_stash(duk_context *ctx, const char *fmt, ...) {
+ DUK__ERROR_STASH_SHARED(DUK_ERR_ERROR);
+}
+DUK_EXTERNAL duk_ret_t duk_eval_error_stash(duk_context *ctx, const char *fmt, ...) {
+ DUK__ERROR_STASH_SHARED(DUK_ERR_EVAL_ERROR);
+}
+DUK_EXTERNAL duk_ret_t duk_range_error_stash(duk_context *ctx, const char *fmt, ...) {
+ DUK__ERROR_STASH_SHARED(DUK_ERR_RANGE_ERROR);
+}
+DUK_EXTERNAL duk_ret_t duk_reference_error_stash(duk_context *ctx, const char *fmt, ...) {
+ DUK__ERROR_STASH_SHARED(DUK_ERR_REFERENCE_ERROR);
+}
+DUK_EXTERNAL duk_ret_t duk_syntax_error_stash(duk_context *ctx, const char *fmt, ...) {
+ DUK__ERROR_STASH_SHARED(DUK_ERR_SYNTAX_ERROR);
+}
+DUK_EXTERNAL duk_ret_t duk_type_error_stash(duk_context *ctx, const char *fmt, ...) {
+ DUK__ERROR_STASH_SHARED(DUK_ERR_TYPE_ERROR);
+}
+DUK_EXTERNAL duk_ret_t duk_uri_error_stash(duk_context *ctx, const char *fmt, ...) {
+ DUK__ERROR_STASH_SHARED(DUK_ERR_URI_ERROR);
}
#endif /* DUK_USE_VARIADIC_MACROS */
@@ -19413,14 +21313,14 @@ DUK_EXTERNAL void duk_error_stash(duk_context *ctx, duk_errcode_t err_code, cons
* Comparison
*/
-DUK_EXTERNAL duk_bool_t duk_equals(duk_context *ctx, duk_idx_t index1, duk_idx_t index2) {
+DUK_EXTERNAL duk_bool_t duk_equals(duk_context *ctx, duk_idx_t idx1, duk_idx_t idx2) {
duk_hthread *thr = (duk_hthread *) ctx;
duk_tval *tv1, *tv2;
DUK_ASSERT_CTX_VALID(ctx);
- tv1 = duk_get_tval(ctx, index1);
- tv2 = duk_get_tval(ctx, index2);
+ tv1 = duk_get_tval(ctx, idx1);
+ tv2 = duk_get_tval(ctx, idx2);
if ((tv1 == NULL) || (tv2 == NULL)) {
return 0;
}
@@ -19431,13 +21331,13 @@ DUK_EXTERNAL duk_bool_t duk_equals(duk_context *ctx, duk_idx_t index1, duk_idx_t
return duk_js_equals(thr, tv1, tv2);
}
-DUK_EXTERNAL duk_bool_t duk_strict_equals(duk_context *ctx, duk_idx_t index1, duk_idx_t index2) {
+DUK_EXTERNAL duk_bool_t duk_strict_equals(duk_context *ctx, duk_idx_t idx1, duk_idx_t idx2) {
duk_tval *tv1, *tv2;
DUK_ASSERT_CTX_VALID(ctx);
- tv1 = duk_get_tval(ctx, index1);
- tv2 = duk_get_tval(ctx, index2);
+ tv1 = duk_get_tval(ctx, idx1);
+ tv2 = duk_get_tval(ctx, idx2);
if ((tv1 == NULL) || (tv2 == NULL)) {
return 0;
}
@@ -19446,11 +21346,26 @@ DUK_EXTERNAL duk_bool_t duk_strict_equals(duk_context *ctx, duk_idx_t index1, du
return duk_js_strict_equals(tv1, tv2);
}
+DUK_EXTERNAL_DECL duk_bool_t duk_samevalue(duk_context *ctx, duk_idx_t idx1, duk_idx_t idx2) {
+ duk_tval *tv1, *tv2;
+
+ DUK_ASSERT_CTX_VALID(ctx);
+
+ tv1 = duk_get_tval(ctx, idx1);
+ tv2 = duk_get_tval(ctx, idx2);
+ if ((tv1 == NULL) || (tv2 == NULL)) {
+ return 0;
+ }
+
+ /* No coercions or other side effects, so safe */
+ return duk_js_samevalue(tv1, tv2);
+}
+
/*
* instanceof
*/
-DUK_EXTERNAL duk_bool_t duk_instanceof(duk_context *ctx, duk_idx_t index1, duk_idx_t index2) {
+DUK_EXTERNAL duk_bool_t duk_instanceof(duk_context *ctx, duk_idx_t idx1, duk_idx_t idx2) {
duk_tval *tv1, *tv2;
DUK_ASSERT_CTX_VALID(ctx);
@@ -19461,9 +21376,9 @@ DUK_EXTERNAL duk_bool_t duk_instanceof(duk_context *ctx, duk_idx_t index1, duk_i
* be somewhat inconsistent if rval would be allowed to be
* non-existent without a TypeError.
*/
- tv1 = duk_require_tval(ctx, index1);
+ tv1 = duk_require_tval(ctx, idx1);
DUK_ASSERT(tv1 != NULL);
- tv2 = duk_require_tval(ctx, index2);
+ tv2 = duk_require_tval(ctx, idx2);
DUK_ASSERT(tv2 != NULL);
return duk_js_instanceof((duk_hthread *) ctx, tv1, tv2);
@@ -19473,11 +21388,7 @@ DUK_EXTERNAL duk_bool_t duk_instanceof(duk_context *ctx, duk_idx_t index1, duk_i
* Lightfunc
*/
-DUK_INTERNAL void duk_push_lightfunc_name(duk_context *ctx, duk_tval *tv) {
- duk_c_function func;
-
- DUK_ASSERT(DUK_TVAL_IS_LIGHTFUNC(tv));
-
+DUK_INTERNAL void duk_push_lightfunc_name_raw(duk_context *ctx, duk_c_function func, duk_small_uint_t lf_flags) {
/* Lightfunc name, includes Duktape/C native function pointer, which
* can often be used to locate the function from a symbol table.
* The name also includes the 16-bit duk_tval flags field because it
@@ -19490,19 +21401,31 @@ DUK_INTERNAL void duk_push_lightfunc_name(duk_context *ctx, duk_tval *tv) {
* is accessed).
*/
- func = DUK_TVAL_GET_LIGHTFUNC_FUNCPTR(tv);
duk_push_sprintf(ctx, "light_");
duk_push_string_funcptr(ctx, (duk_uint8_t *) &func, sizeof(func));
- duk_push_sprintf(ctx, "_%04x", (unsigned int) DUK_TVAL_GET_LIGHTFUNC_FLAGS(tv));
+ duk_push_sprintf(ctx, "_%04x", (unsigned int) lf_flags);
duk_concat(ctx, 3);
}
+DUK_INTERNAL void duk_push_lightfunc_name(duk_context *ctx, duk_tval *tv) {
+ duk_c_function func;
+ duk_small_uint_t lf_flags;
+
+ DUK_ASSERT(DUK_TVAL_IS_LIGHTFUNC(tv));
+ DUK_TVAL_GET_LIGHTFUNC(tv, func, lf_flags);
+ duk_push_lightfunc_name_raw(ctx, func, lf_flags);
+}
+
DUK_INTERNAL void duk_push_lightfunc_tostring(duk_context *ctx, duk_tval *tv) {
+ duk_c_function func;
+ duk_small_uint_t lf_flags;
+
DUK_ASSERT(DUK_TVAL_IS_LIGHTFUNC(tv));
+ DUK_TVAL_GET_LIGHTFUNC(tv, func, lf_flags); /* read before 'tv' potentially invalidated */
duk_push_string(ctx, "function ");
- duk_push_lightfunc_name(ctx, tv);
- duk_push_string(ctx, "() {\"light\"}");
+ duk_push_lightfunc_name_raw(ctx, func, lf_flags);
+ duk_push_string(ctx, "() { [lightfunc code] }");
duk_concat(ctx, 3);
}
@@ -19540,7 +21463,6 @@ DUK_INTERNAL void duk_push_string_funcptr(duk_context *ctx, duk_uint8_t *ptr, du
duk_push_lstring(ctx, (const char *) buf, sz * 2);
}
-#if !defined(DUK_USE_PARANOID_ERRORS)
/*
* Push readable string summarizing duk_tval. The operation is side effect
* free and will only throw from internal errors (e.g. out of memory).
@@ -19607,28 +21529,55 @@ DUK_LOCAL void duk__push_hstring_readable_unicode(duk_context *ctx, duk_hstring
duk_push_lstring(ctx, (const char *) buf, (duk_size_t) (q - buf));
}
-DUK_INTERNAL const char *duk_push_string_tval_readable(duk_context *ctx, duk_tval *tv) {
+DUK_LOCAL const char *duk__push_string_tval_readable(duk_context *ctx, duk_tval *tv, duk_bool_t error_aware) {
duk_hthread *thr;
DUK_ASSERT_CTX_VALID(ctx);
thr = (duk_hthread *) ctx;
DUK_UNREF(thr);
+ /* 'tv' may be NULL */
if (tv == NULL) {
duk_push_string(ctx, "none");
} else {
switch (DUK_TVAL_GET_TAG(tv)) {
case DUK_TAG_STRING: {
+ /* XXX: symbol support (maybe in summary rework branch) */
duk__push_hstring_readable_unicode(ctx, DUK_TVAL_GET_STRING(tv));
break;
}
case DUK_TAG_OBJECT: {
duk_hobject *h = DUK_TVAL_GET_OBJECT(tv);
DUK_ASSERT(h != NULL);
- duk_push_hobject_class_string(ctx, h);
+
+ if (error_aware &&
+ duk_hobject_prototype_chain_contains(thr, h, thr->builtins[DUK_BIDX_ERROR_PROTOTYPE], 1 /*ignore_loop*/)) {
+ /* Get error message in a side effect free way if
+ * possible; if not, summarize as a generic object.
+ * Error message currently gets quoted.
+ */
+ /* XXX: better internal getprop call; get without side effects
+ * but traverse inheritance chain.
+ */
+ duk_tval *tv_msg;
+ tv_msg = duk_hobject_find_existing_entry_tval_ptr(thr->heap, h, DUK_HTHREAD_STRING_MESSAGE(thr));
+ if (tv_msg) {
+ /* It's important this summarization is
+ * not error aware to avoid unlimited
+ * recursion when the .message property
+ * is e.g. another error.
+ */
+ return duk_push_string_tval_readable(ctx, tv_msg);
+ }
+ }
+ duk_push_class_string_tval(ctx, tv);
break;
}
case DUK_TAG_BUFFER: {
+ /* While plain buffers mimic Uint8Arrays, they summarize differently.
+ * This is useful so that the summarized string accurately reflects the
+ * internal type which may matter for figuring out bugs etc.
+ */
/* XXX: Hex encoded, length limited buffer summary here? */
duk_hbuffer *h = DUK_TVAL_GET_BUFFER(tv);
DUK_ASSERT(h != NULL);
@@ -19641,7 +21590,7 @@ DUK_INTERNAL const char *duk_push_string_tval_readable(duk_context *ctx, duk_tva
*/
duk_push_tval(ctx, tv);
duk_push_sprintf(ctx, "(%s)", duk_to_string(ctx, -1));
- duk_remove(ctx, -2);
+ duk_remove_m2(ctx);
break;
}
default: {
@@ -19653,22 +21602,57 @@ DUK_INTERNAL const char *duk_push_string_tval_readable(duk_context *ctx, duk_tva
return duk_to_string(ctx, -1);
}
+DUK_INTERNAL const char *duk_push_string_tval_readable(duk_context *ctx, duk_tval *tv) {
+ DUK_ASSERT_CTX_VALID(ctx);
+ return duk__push_string_tval_readable(ctx, tv, 0 /*error_aware*/);
+}
+
+DUK_INTERNAL const char *duk_push_string_readable(duk_context *ctx, duk_idx_t idx) {
+ DUK_ASSERT_CTX_VALID(ctx);
+ return duk_push_string_tval_readable(ctx, duk_get_tval(ctx, idx));
+}
-DUK_INTERNAL const char *duk_push_string_readable(duk_context *ctx, duk_idx_t index) {
+DUK_INTERNAL const char *duk_push_string_tval_readable_error(duk_context *ctx, duk_tval *tv) {
DUK_ASSERT_CTX_VALID(ctx);
- return duk_push_string_tval_readable(ctx, duk_get_tval(ctx, index));
+ return duk__push_string_tval_readable(ctx, tv, 1 /*error_aware*/);
+}
+
+DUK_INTERNAL void duk_push_symbol_descriptive_string(duk_context *ctx, duk_hstring *h) {
+ const duk_uint8_t *p;
+ const duk_uint8_t *p_end;
+ const duk_uint8_t *q;
+
+ /* .toString() */
+ duk_push_string(ctx, "Symbol(");
+ p = (const duk_uint8_t *) DUK_HSTRING_GET_DATA(h);
+ p_end = p + DUK_HSTRING_GET_BYTELEN(h);
+ DUK_ASSERT(p[0] == 0xff || (p[0] & 0xc0) == 0x80);
+ p++;
+ for (q = p; q < p_end; q++) {
+ if (*q == 0xffU) {
+ /* Terminate either at end-of-string (but NUL MUST
+ * be accepted without terminating description) or
+ * 0xFF, which is used to mark start of unique trailer
+ * (and cannot occur in CESU-8 / extended UTF-8).
+ */
+ break;
+ }
+ }
+ duk_push_lstring(ctx, (const char *) p, (duk_size_t) (q - p));
+ duk_push_string(ctx, ")");
+ duk_concat(ctx, 3);
}
-#endif /* !DUK_USE_PARANOID_ERRORS */
+/* automatic undefs */
#undef DUK__CHECK_SPACE
+#undef DUK__ERROR_STASH_SHARED
#undef DUK__PACK_ARGS
#undef DUK__READABLE_STRING_MAXCHARS
-#line 1 "duk_api_string.c"
/*
* String manipulation
*/
-/* include removed: duk_internal.h */
+/* #include duk_internal.h -> already included */
DUK_LOCAL void duk__concat_and_join_helper(duk_context *ctx, duk_idx_t count_in, duk_bool_t is_join) {
duk_hthread *thr = (duk_hthread *) ctx;
@@ -19683,11 +21667,11 @@ DUK_LOCAL void duk__concat_and_join_helper(duk_context *ctx, duk_idx_t count_in,
if (DUK_UNLIKELY(count_in <= 0)) {
if (count_in < 0) {
- DUK_ERROR_API(thr, DUK_STR_INVALID_COUNT);
+ DUK_ERROR_RANGE_INVALID_COUNT(thr);
return;
}
DUK_ASSERT(count_in == 0);
- duk_push_hstring_stridx(ctx, DUK_STRIDX_EMPTY_STRING);
+ duk_push_hstring_empty(ctx);
return;
}
count = (duk_uint_t) count_in;
@@ -19702,7 +21686,7 @@ DUK_LOCAL void duk__concat_and_join_helper(duk_context *ctx, duk_idx_t count_in,
t2 = (duk_size_t) (count - 1);
limit = (duk_size_t) DUK_HSTRING_MAX_BYTELEN;
if (DUK_UNLIKELY(t2 != 0 && t1 > limit / t2)) {
- /* Combined size of separators already overflows */
+ /* Combined size of separators already overflows. */
goto error_overflow;
}
len = (duk_size_t) (t1 * t2);
@@ -19712,8 +21696,7 @@ DUK_LOCAL void duk__concat_and_join_helper(duk_context *ctx, duk_idx_t count_in,
for (i = count; i >= 1; i--) {
duk_size_t new_len;
- duk_to_string(ctx, -((duk_idx_t) i));
- h = duk_require_hstring(ctx, -((duk_idx_t) i));
+ h = duk_to_hstring(ctx, -((duk_idx_t) i));
new_len = len + (duk_size_t) DUK_HSTRING_GET_BYTELEN(h);
/* Impose a string maximum length, need to handle overflow
@@ -19729,11 +21712,13 @@ DUK_LOCAL void duk__concat_and_join_helper(duk_context *ctx, duk_idx_t count_in,
DUK_DDD(DUK_DDDPRINT("join/concat %lu strings, total length %lu bytes",
(unsigned long) count, (unsigned long) len));
- /* use stack allocated buffer to ensure reachability in errors (e.g. intern error) */
- buf = (duk_uint8_t *) duk_push_fixed_buffer(ctx, len);
+ /* Use stack allocated buffer to ensure reachability in errors
+ * (e.g. intern error).
+ */
+ buf = (duk_uint8_t *) duk_push_fixed_buffer_nozero(ctx, len);
DUK_ASSERT(buf != NULL);
- /* [... (sep) str1 str2 ... strN buf] */
+ /* [ ... (sep) str1 str2 ... strN buf ] */
idx = 0;
for (i = count; i >= 1; i--) {
@@ -19749,9 +21734,9 @@ DUK_LOCAL void duk__concat_and_join_helper(duk_context *ctx, duk_idx_t count_in,
DUK_ASSERT(idx == len);
- /* [... (sep) str1 str2 ... strN buf] */
+ /* [ ... (sep) str1 str2 ... strN buf ] */
- /* get rid of the strings early to minimize memory use before intern */
+ /* Get rid of the strings early to minimize memory use before intern. */
if (is_join) {
duk_replace(ctx, -((duk_idx_t) count) - 2); /* overwrite sep */
@@ -19761,15 +21746,15 @@ DUK_LOCAL void duk__concat_and_join_helper(duk_context *ctx, duk_idx_t count_in,
duk_pop_n(ctx, count-1);
}
- /* [... buf] */
+ /* [ ... buf ] */
- (void) duk_to_string(ctx, -1);
+ (void) duk_buffer_to_string(ctx, -1); /* Safe if inputs are safe. */
- /* [... res] */
+ /* [ ... res ] */
return;
error_overflow:
- DUK_ERROR_RANGE(thr, DUK_STR_CONCAT_RESULT_TOO_LONG);
+ DUK_ERROR_RANGE(thr, DUK_STR_RESULT_TOO_LONG);
}
DUK_EXTERNAL void duk_concat(duk_context *ctx, duk_idx_t count) {
@@ -19788,7 +21773,7 @@ DUK_EXTERNAL void duk_join(duk_context *ctx, duk_idx_t count) {
* Case conversion needs also the character surroundings though.
*/
-DUK_EXTERNAL void duk_decode_string(duk_context *ctx, duk_idx_t index, duk_decode_char_function callback, void *udata) {
+DUK_EXTERNAL void duk_decode_string(duk_context *ctx, duk_idx_t idx, duk_decode_char_function callback, void *udata) {
duk_hthread *thr = (duk_hthread *) ctx;
duk_hstring *h_input;
const duk_uint8_t *p, *p_start, *p_end;
@@ -19796,7 +21781,7 @@ DUK_EXTERNAL void duk_decode_string(duk_context *ctx, duk_idx_t index, duk_decod
DUK_ASSERT_CTX_VALID(ctx);
- h_input = duk_require_hstring(ctx, index);
+ h_input = duk_require_hstring(ctx, idx); /* Accept symbols. */
DUK_ASSERT(h_input != NULL);
p_start = (const duk_uint8_t *) DUK_HSTRING_GET_DATA(h_input);
@@ -19807,12 +21792,12 @@ DUK_EXTERNAL void duk_decode_string(duk_context *ctx, duk_idx_t index, duk_decod
if (p >= p_end) {
break;
}
- cp = (int) duk_unicode_decode_xutf8_checked(thr, &p, p_start, p_end);
+ cp = (duk_codepoint_t) duk_unicode_decode_xutf8_checked(thr, &p, p_start, p_end);
callback(udata, cp);
}
}
-DUK_EXTERNAL void duk_map_string(duk_context *ctx, duk_idx_t index, duk_map_char_function callback, void *udata) {
+DUK_EXTERNAL void duk_map_string(duk_context *ctx, duk_idx_t idx, duk_map_char_function callback, void *udata) {
duk_hthread *thr = (duk_hthread *) ctx;
duk_hstring *h_input;
duk_bufwriter_ctx bw_alloc;
@@ -19822,13 +21807,13 @@ DUK_EXTERNAL void duk_map_string(duk_context *ctx, duk_idx_t index, duk_map_char
DUK_ASSERT_CTX_VALID(ctx);
- index = duk_normalize_index(ctx, index);
+ idx = duk_normalize_index(ctx, idx);
- h_input = duk_require_hstring(ctx, index);
+ h_input = duk_require_hstring(ctx, idx); /* Accept symbols. */
DUK_ASSERT(h_input != NULL);
bw = &bw_alloc;
- DUK_BW_INIT_PUSHBUF(thr, bw, DUK_HSTRING_GET_BYTELEN(h_input)); /* reasonable output estimate */
+ DUK_BW_INIT_PUSHBUF(thr, bw, DUK_HSTRING_GET_BYTELEN(h_input)); /* Reasonable output estimate. */
p_start = (const duk_uint8_t *) DUK_HSTRING_GET_DATA(h_input);
p_end = p_start + DUK_HSTRING_GET_BYTELEN(h_input);
@@ -19842,18 +21827,18 @@ DUK_EXTERNAL void duk_map_string(duk_context *ctx, duk_idx_t index, duk_map_char
if (p >= p_end) {
break;
}
- cp = (int) duk_unicode_decode_xutf8_checked(thr, &p, p_start, p_end);
+ cp = (duk_codepoint_t) duk_unicode_decode_xutf8_checked(thr, &p, p_start, p_end);
cp = callback(udata, cp);
DUK_BW_WRITE_ENSURE_XUTF8(thr, bw, cp);
}
DUK_BW_COMPACT(thr, bw);
- duk_to_string(ctx, -1);
- duk_replace(ctx, index);
+ (void) duk_buffer_to_string(ctx, -1); /* Safe, extended UTF-8 encoded. */
+ duk_replace(ctx, idx);
}
-DUK_EXTERNAL void duk_substring(duk_context *ctx, duk_idx_t index, duk_size_t start_offset, duk_size_t end_offset) {
+DUK_EXTERNAL void duk_substring(duk_context *ctx, duk_idx_t idx, duk_size_t start_offset, duk_size_t end_offset) {
duk_hthread *thr = (duk_hthread *) ctx;
duk_hstring *h;
duk_hstring *res;
@@ -19862,8 +21847,8 @@ DUK_EXTERNAL void duk_substring(duk_context *ctx, duk_idx_t index, duk_size_t st
DUK_ASSERT_CTX_VALID(ctx);
- index = duk_require_normalize_index(ctx, index);
- h = duk_require_hstring(ctx, index);
+ idx = duk_require_normalize_index(ctx, idx); /* Accept symbols. */
+ h = duk_require_hstring(ctx, idx);
DUK_ASSERT(h != NULL);
if (end_offset >= DUK_HSTRING_GET_CHARLEN(h)) {
@@ -19878,7 +21863,7 @@ DUK_EXTERNAL void duk_substring(duk_context *ctx, duk_idx_t index, duk_size_t st
DUK_ASSERT_DISABLE(end_offset >= 0);
DUK_ASSERT(end_offset >= start_offset && end_offset <= DUK_HSTRING_GET_CHARLEN(h));
- /* guaranteed by string limits */
+ /* Guaranteed by string limits. */
DUK_ASSERT(start_offset <= DUK_UINT32_MAX);
DUK_ASSERT(end_offset <= DUK_UINT32_MAX);
@@ -19886,21 +21871,21 @@ DUK_EXTERNAL void duk_substring(duk_context *ctx, duk_idx_t index, duk_size_t st
end_byte_offset = (duk_size_t) duk_heap_strcache_offset_char2byte(thr, h, (duk_uint_fast32_t) end_offset);
DUK_ASSERT(end_byte_offset >= start_byte_offset);
- DUK_ASSERT(end_byte_offset - start_byte_offset <= DUK_UINT32_MAX); /* guaranteed by string limits */
+ DUK_ASSERT(end_byte_offset - start_byte_offset <= DUK_UINT32_MAX); /* Guaranteed by string limits. */
- /* no size check is necessary */
+ /* No size check is necessary. */
res = duk_heap_string_intern_checked(thr,
DUK_HSTRING_GET_DATA(h) + start_byte_offset,
(duk_uint32_t) (end_byte_offset - start_byte_offset));
duk_push_hstring(ctx, res);
- duk_replace(ctx, index);
+ duk_replace(ctx, idx);
}
/* XXX: this is quite clunky. Add Unicode helpers to scan backwards and
* forwards with a callback to process codepoints?
*/
-DUK_EXTERNAL void duk_trim(duk_context *ctx, duk_idx_t index) {
+DUK_EXTERNAL void duk_trim(duk_context *ctx, duk_idx_t idx) {
duk_hthread *thr = (duk_hthread *) ctx;
duk_hstring *h;
const duk_uint8_t *p, *p_start, *p_end, *p_tmp1, *p_tmp2; /* pointers for scanning */
@@ -19909,8 +21894,8 @@ DUK_EXTERNAL void duk_trim(duk_context *ctx, duk_idx_t index) {
DUK_ASSERT_CTX_VALID(ctx);
- index = duk_require_normalize_index(ctx, index);
- h = duk_require_hstring(ctx, index);
+ idx = duk_require_normalize_index(ctx, idx); /* Accept symbols. */
+ h = duk_require_hstring(ctx, idx);
DUK_ASSERT(h != NULL);
p_start = DUK_HSTRING_GET_DATA(h);
@@ -19927,7 +21912,7 @@ DUK_EXTERNAL void duk_trim(duk_context *ctx, duk_idx_t index) {
}
q_start = p;
if (p == p_end) {
- /* entire string is whitespace */
+ /* Entire string is whitespace. */
q_end = p;
goto scan_done;
}
@@ -19973,123 +21958,112 @@ DUK_EXTERNAL void duk_trim(duk_context *ctx, duk_idx_t index) {
}
duk_push_lstring(ctx, (const char *) q_start, (duk_size_t) (q_end - q_start));
- duk_replace(ctx, index);
+ duk_replace(ctx, idx);
}
-DUK_EXTERNAL duk_codepoint_t duk_char_code_at(duk_context *ctx, duk_idx_t index, duk_size_t char_offset) {
+DUK_EXTERNAL duk_codepoint_t duk_char_code_at(duk_context *ctx, duk_idx_t idx, duk_size_t char_offset) {
duk_hthread *thr = (duk_hthread *) ctx;
duk_hstring *h;
duk_ucodepoint_t cp;
DUK_ASSERT_CTX_VALID(ctx);
- h = duk_require_hstring(ctx, index);
+ /* XXX: Share code with String.prototype.charCodeAt? Main difference
+ * is handling of clamped offsets.
+ */
+
+ h = duk_require_hstring(ctx, idx); /* Accept symbols. */
DUK_ASSERT(h != NULL);
- DUK_ASSERT_DISABLE(char_offset >= 0); /* always true, arg is unsigned */
+ DUK_ASSERT_DISABLE(char_offset >= 0); /* Always true, arg is unsigned. */
if (char_offset >= DUK_HSTRING_GET_CHARLEN(h)) {
return 0;
}
- DUK_ASSERT(char_offset <= DUK_UINT_MAX); /* guaranteed by string limits */
- cp = duk_hstring_char_code_at_raw(thr, h, (duk_uint_t) char_offset);
+ DUK_ASSERT(char_offset <= DUK_UINT_MAX); /* Guaranteed by string limits. */
+ cp = duk_hstring_char_code_at_raw(thr, h, (duk_uint_t) char_offset, 0 /*surrogate_aware*/);
return (duk_codepoint_t) cp;
}
-#line 1 "duk_api_var.c"
/*
- * Variable access
+ * Date/time.
*/
-/* include removed: duk_internal.h */
-
-DUK_EXTERNAL void duk_get_var(duk_context *ctx) {
- duk_hthread *thr = (duk_hthread *) ctx;
- duk_activation *act;
- duk_hstring *h_varname;
- duk_small_int_t throw_flag = 1; /* always throw ReferenceError for unresolvable */
-
- DUK_ASSERT_CTX_VALID(ctx);
-
- h_varname = duk_require_hstring(ctx, -1); /* XXX: tostring? */
- DUK_ASSERT(h_varname != NULL);
-
- act = duk_hthread_get_current_activation(thr);
- if (act) {
- (void) duk_js_getvar_activation(thr, act, h_varname, throw_flag); /* -> [ ... varname val this ] */
- } else {
- /* Outside any activation -> look up from global. */
- DUK_ASSERT(thr->builtins[DUK_BIDX_GLOBAL_ENV] != NULL);
- (void) duk_js_getvar_envrec(thr, thr->builtins[DUK_BIDX_GLOBAL_ENV], h_varname, throw_flag);
- }
-
- /* [ ... varname val this ] (because throw_flag == 1, always resolved) */
+/* #include duk_internal.h -> already included */
- duk_pop(ctx);
- duk_remove(ctx, -2);
-
- /* [ ... val ] */
-
- /* Return value would be pointless: because throw_flag==1, we always
- * throw if the identifier doesn't resolve.
- */
- return;
+DUK_EXTERNAL duk_double_t duk_get_now(duk_context *ctx) {
+ return ((duk_double_t) DUK_USE_DATE_GET_NOW((ctx)));
}
-DUK_EXTERNAL void duk_put_var(duk_context *ctx) {
- duk_hthread *thr = (duk_hthread *) ctx;
- duk_activation *act;
- duk_hstring *h_varname;
- duk_tval *tv_val;
- duk_small_int_t throw_flag;
-
- DUK_ASSERT_CTX_VALID(ctx);
-
- h_varname = duk_require_hstring(ctx, -2); /* XXX: tostring? */
- DUK_ASSERT(h_varname != NULL);
+DUK_EXTERNAL void duk_time_to_components(duk_context *ctx, duk_double_t timeval, duk_time_components *comp) {
+ duk_int_t parts[DUK_DATE_IDX_NUM_PARTS];
+ duk_double_t dparts[DUK_DATE_IDX_NUM_PARTS];
+ duk_uint_t flags;
- tv_val = duk_require_tval(ctx, -1);
+ DUK_ASSERT(ctx != NULL);
+ DUK_ASSERT(comp != NULL); /* XXX: or check? */
+ DUK_UNREF(ctx);
- throw_flag = duk_is_strict_call(ctx);
+ /* Convert as one-based, but change month to zero-based to match the
+ * Ecmascript Date built-in behavior 1:1.
+ */
+ flags = DUK_DATE_FLAG_ONEBASED | DUK_DATE_FLAG_NAN_TO_ZERO;
- act = duk_hthread_get_current_activation(thr);
- if (act) {
- duk_js_putvar_activation(thr, act, h_varname, tv_val, throw_flag); /* -> [ ... varname val this ] */
- } else {
- /* Outside any activation -> put to global. */
- DUK_ASSERT(thr->builtins[DUK_BIDX_GLOBAL_ENV] != NULL);
- duk_js_putvar_envrec(thr, thr->builtins[DUK_BIDX_GLOBAL_ENV], h_varname, tv_val, throw_flag);
- }
+ duk_bi_date_timeval_to_parts(timeval, parts, dparts, flags);
- /* [ ... varname val ] */
+ DUK_ASSERT(dparts[DUK_DATE_IDX_MONTH] >= 1.0 && dparts[DUK_DATE_IDX_MONTH] <= 12.0);
+ comp->year = dparts[DUK_DATE_IDX_YEAR];
+ comp->month = dparts[DUK_DATE_IDX_MONTH] - 1.0;
+ comp->day = dparts[DUK_DATE_IDX_DAY];
+ comp->hours = dparts[DUK_DATE_IDX_HOUR];
+ comp->minutes = dparts[DUK_DATE_IDX_MINUTE];
+ comp->seconds = dparts[DUK_DATE_IDX_SECOND];
+ comp->milliseconds = dparts[DUK_DATE_IDX_MILLISECOND];
+ comp->weekday = dparts[DUK_DATE_IDX_WEEKDAY];
+}
- duk_pop_2(ctx);
+DUK_EXTERNAL duk_double_t duk_components_to_time(duk_context *ctx, duk_time_components *comp) {
+ duk_double_t d;
+ duk_double_t dparts[DUK_DATE_IDX_NUM_PARTS];
+ duk_uint_t flags;
- /* [ ... ] */
+ DUK_ASSERT(ctx != NULL);
+ DUK_ASSERT(comp != NULL); /* XXX: or check? */
+ DUK_UNREF(ctx);
- return;
-}
+ /* Match Date constructor behavior (with UTC time). Month is given
+ * as zero-based. Day-of-month is given as one-based so normalize
+ * it to zero-based as the internal conversion helpers expects all
+ * components to be zero-based.
+ */
+ flags = 0;
-DUK_EXTERNAL duk_bool_t duk_del_var(duk_context *ctx) {
- DUK_ASSERT_CTX_VALID(ctx);
+ /* XXX: expensive conversion; use array format in API instead, or unify
+ * time provider and time API to use same struct?
+ */
- DUK_ERROR_UNIMPLEMENTED_DEFMSG((duk_hthread *) ctx);
- return 0;
-}
+ dparts[DUK_DATE_IDX_YEAR] = comp->year;
+ dparts[DUK_DATE_IDX_MONTH] = comp->month;
+ dparts[DUK_DATE_IDX_DAY] = comp->day - 1.0;
+ dparts[DUK_DATE_IDX_HOUR] = comp->hours;
+ dparts[DUK_DATE_IDX_MINUTE] = comp->minutes;
+ dparts[DUK_DATE_IDX_SECOND] = comp->seconds;
+ dparts[DUK_DATE_IDX_MILLISECOND] = comp->milliseconds;
+ dparts[DUK_DATE_IDX_WEEKDAY] = 0; /* ignored */
-DUK_EXTERNAL duk_bool_t duk_has_var(duk_context *ctx) {
- DUK_ASSERT_CTX_VALID(ctx);
+ d = duk_bi_date_get_timeval_from_dparts(dparts, flags);
- DUK_ERROR_UNIMPLEMENTED_DEFMSG((duk_hthread *) ctx);
- return 0;
+ return d;
}
-#line 1 "duk_bi_array.c"
/*
* Array built-ins
*
- * Note that most Array built-ins are intentionally generic and work even
- * when the 'this' binding is not an Array instance. To ensure this,
- * Array algorithms do not assume "magical" Array behavior for the "length"
- * property, for instance.
+ * Most Array built-ins are intentionally generic in Ecmascript, and are
+ * intended to work even when the 'this' binding is not an Array instance.
+ * This Ecmascript feature is also used by much real world code. For this
+ * reason the implementations here don't assume exotic Array behavior or
+ * e.g. presence of a .length property. However, some algorithms have a
+ * fast path for duk_harray backed actual Array instances, enabled when
+ * footprint is not a concern.
*
* XXX: the "Throw" flag should be set for (almost?) all [[Put]] and
* [[Delete]] operations, but it's currently false throughout. Go through
@@ -20102,7 +22076,6 @@ DUK_EXTERNAL duk_bool_t duk_has_var(duk_context *ctx) {
* the unsigned 32-bit range (E5.1 Section 15.4.5.1 throws a RangeError if so)
* some intermediate values may be above 0xffffffff and this may not be always
* correctly handled now (duk_uint32_t is not enough for all algorithms).
- *
* For instance, push() can legitimately write entries beyond length 0xffffffff
* and cause a RangeError only at the end. To do this properly, the current
* push() implementation tracks the array index using a 'double' instead of a
@@ -20119,28 +22092,33 @@ DUK_EXTERNAL duk_bool_t duk_has_var(duk_context *ctx) {
* Both "put" and "define" are used in the E5.1 specification; as a rule,
* "put" is used when modifying an existing array (or a non-array 'this'
* binding) and "define" for setting values into a fresh result array.
- *
- * Also note that Array instance 'length' should be writable, but not
- * enumerable and definitely not configurable: even Duktape code internally
- * assumes that an Array instance will always have a 'length' property.
- * Preventing deletion of the property is critical.
*/
-/* include removed: duk_internal.h */
+/* #include duk_internal.h -> already included */
/* Perform an intermediate join when this many elements have been pushed
* on the value stack.
*/
#define DUK__ARRAY_MID_JOIN_LIMIT 4096
-/* Shared entry code for many Array built-ins. Note that length is left
- * on stack (it could be popped, but that's not necessary).
+#if defined(DUK_USE_ARRAY_BUILTIN)
+
+/*
+ * Shared helpers.
+ */
+
+/* Shared entry code for many Array built-ins: the 'this' binding is pushed
+ * on the value stack and object coerced, and the current .length is returned.
+ * Note that length is left on stack (it could be popped, but that's not
+ * usually necessary because call handling will clean it up automatically).
*/
DUK_LOCAL duk_uint32_t duk__push_this_obj_len_u32(duk_context *ctx) {
duk_uint32_t len;
+ /* XXX: push more directly? */
(void) duk_push_this_coercible_to_object(ctx);
- duk_get_prop_stridx(ctx, -1, DUK_STRIDX_LENGTH);
+ DUK_ASSERT_HOBJECT_VALID(duk_get_hobject(ctx, -1));
+ duk_get_prop_stridx_short(ctx, -1, DUK_STRIDX_LENGTH);
len = duk_to_uint32(ctx, -1);
/* -> [ ... ToObject(this) ToUint32(length) ] */
@@ -20154,51 +22132,101 @@ DUK_LOCAL duk_uint32_t duk__push_this_obj_len_u32_limited(duk_context *ctx) {
*/
duk_uint32_t ret = duk__push_this_obj_len_u32(ctx);
if (DUK_UNLIKELY(ret >= 0x80000000UL)) {
- DUK_ERROR_RANGE((duk_hthread *) ctx, DUK_STR_ARRAY_LENGTH_OVER_2G);
+ DUK_ERROR_RANGE_INVALID_LENGTH((duk_hthread *) ctx);
}
return ret;
}
+#if defined(DUK_USE_ARRAY_FASTPATH)
+/* Check if 'this' binding is an Array instance (duk_harray) which satisfies
+ * a few other guarantees for fast path operation. The fast path doesn't
+ * need to handle all operations, even for duk_harrays, but must handle a
+ * significant fraction to improve performance. Return a non-NULL duk_harray
+ * pointer when all fast path criteria are met, NULL otherwise.
+ */
+DUK_LOCAL duk_harray *duk__arraypart_fastpath_this(duk_context *ctx) {
+ duk_hthread *thr;
+ duk_tval *tv;
+ duk_hobject *h;
+ duk_uint_t flags_mask, flags_bits, flags_value;
+
+ thr = (duk_hthread *) ctx;
+ DUK_ASSERT(thr->valstack_bottom > thr->valstack); /* because call in progress */
+ tv = DUK_GET_THIS_TVAL_PTR(thr);
+
+ /* Fast path requires that 'this' is a duk_harray. Read only arrays
+ * (ROM backed) are also rejected for simplicity.
+ */
+ if (!DUK_TVAL_IS_OBJECT(tv)) {
+ DUK_DD(DUK_DDPRINT("reject array fast path: not an object"));
+ return NULL;
+ }
+ h = DUK_TVAL_GET_OBJECT(tv);
+ DUK_ASSERT(h != NULL);
+ flags_mask = DUK_HOBJECT_FLAG_ARRAY_PART | \
+ DUK_HOBJECT_FLAG_EXOTIC_ARRAY | \
+ DUK_HEAPHDR_FLAG_READONLY;
+ flags_bits = DUK_HOBJECT_FLAG_ARRAY_PART | \
+ DUK_HOBJECT_FLAG_EXOTIC_ARRAY;
+ flags_value = DUK_HEAPHDR_GET_FLAGS_RAW((duk_heaphdr *) h);
+ if ((flags_value & flags_mask) != flags_bits) {
+ DUK_DD(DUK_DDPRINT("reject array fast path: object flag check failed"));
+ return NULL;
+ }
+
+ /* In some cases a duk_harray's 'length' may be larger than the
+ * current array part allocation. Avoid the fast path in these
+ * cases, so that all fast path code can safely assume that all
+ * items in the range [0,length[ are backed by the current array
+ * part allocation.
+ */
+ if (((duk_harray *) h)->length > DUK_HOBJECT_GET_ASIZE(h)) {
+ DUK_DD(DUK_DDPRINT("reject array fast path: length > array part size"));
+ return NULL;
+ }
+
+ /* Guarantees for fast path. */
+ DUK_ASSERT(h != NULL);
+ DUK_ASSERT(DUK_HOBJECT_GET_ASIZE(h) == 0 || DUK_HOBJECT_A_GET_BASE(thr->heap, h) != NULL);
+ DUK_ASSERT(((duk_harray *) h)->length <= DUK_HOBJECT_GET_ASIZE(h));
+
+ DUK_DD(DUK_DDPRINT("array fast path allowed for: %!O", (duk_heaphdr *) h));
+ return (duk_harray *) h;
+}
+#endif /* DUK_USE_ARRAY_FASTPATH */
+
/*
* Constructor
*/
DUK_INTERNAL duk_ret_t duk_bi_array_constructor(duk_context *ctx) {
duk_idx_t nargs;
+ duk_harray *a;
duk_double_t d;
duk_uint32_t len;
- duk_idx_t i;
+ duk_uint32_t len_prealloc;
nargs = duk_get_top(ctx);
- duk_push_array(ctx);
if (nargs == 1 && duk_is_number(ctx, 0)) {
/* XXX: expensive check (also shared elsewhere - so add a shared internal API call?) */
d = duk_get_number(ctx, 0);
len = duk_to_uint32(ctx, 0);
if (((duk_double_t) len) != d) {
- return DUK_RET_RANGE_ERROR;
+ DUK_DCERROR_RANGE_INVALID_LENGTH((duk_hthread *) ctx);
}
- /* XXX: if 'len' is low, may want to ensure array part is kept:
- * the caller is likely to want a dense array.
+ /* For small lengths create a dense preallocated array.
+ * For large arrays preallocate an initial part.
*/
- duk_push_u32(ctx, len);
- duk_xdef_prop_stridx(ctx, -2, DUK_STRIDX_LENGTH, DUK_PROPDESC_FLAGS_W); /* [ ToUint32(len) array ToUint32(len) ] -> [ ToUint32(len) array ] */
+ len_prealloc = len < 64 ? len : 64;
+ a = duk_push_harray_with_size(ctx, len_prealloc);
+ DUK_ASSERT(a != NULL);
+ a->length = len;
return 1;
}
- /* XXX: optimize by creating array into correct size directly, and
- * operating on the array part directly; values can be memcpy()'d from
- * value stack directly as long as refcounts are increased.
- */
- for (i = 0; i < nargs; i++) {
- duk_dup(ctx, i);
- duk_xdef_prop_index_wec(ctx, -2, (duk_uarridx_t) i);
- }
-
- duk_push_u32(ctx, (duk_uint32_t) nargs);
- duk_xdef_prop_stridx(ctx, -2, DUK_STRIDX_LENGTH, DUK_PROPDESC_FLAGS_W);
+ duk_pack(ctx, nargs);
return 1;
}
@@ -20220,7 +22248,7 @@ DUK_INTERNAL duk_ret_t duk_bi_array_constructor_is_array(duk_context *ctx) {
DUK_INTERNAL duk_ret_t duk_bi_array_prototype_to_string(duk_context *ctx) {
(void) duk_push_this_coercible_to_object(ctx);
- duk_get_prop_stridx(ctx, -1, DUK_STRIDX_JOIN);
+ duk_get_prop_stridx_short(ctx, -1, DUK_STRIDX_JOIN);
/* [ ... this func ] */
if (!duk_is_callable(ctx, -1)) {
@@ -20330,7 +22358,7 @@ DUK_INTERNAL duk_ret_t duk_bi_array_prototype_concat(duk_context *ctx) {
* is known to be an array, this should be equivalent.
*/
duk_push_uarridx(ctx, idx_last);
- duk_xdef_prop_stridx(ctx, -2, DUK_STRIDX_LENGTH, DUK_PROPDESC_FLAGS_W);
+ duk_xdef_prop_stridx_short(ctx, -2, DUK_STRIDX_LENGTH, DUK_PROPDESC_FLAGS_W);
DUK_ASSERT_TOP(ctx, n + 1);
return 1;
@@ -20381,20 +22409,21 @@ DUK_INTERNAL duk_ret_t duk_bi_array_prototype_join_shared(duk_context *ctx) {
DUK__ARRAY_MID_JOIN_LIMIT : len) + 4;
duk_require_stack(ctx, valstack_required);
- duk_dup(ctx, 0);
+ duk_dup_0(ctx);
/* [ sep ToObject(this) len sep ] */
count = 0;
idx = 0;
for (;;) {
+ DUK_DDD(DUK_DDDPRINT("join idx=%ld", (long) idx));
if (count >= DUK__ARRAY_MID_JOIN_LIMIT || /* intermediate join to avoid valstack overflow */
idx >= len) { /* end of loop (careful with len==0) */
/* [ sep ToObject(this) len sep str0 ... str(count-1) ] */
DUK_DDD(DUK_DDDPRINT("mid/final join, count=%ld, idx=%ld, len=%ld",
(long) count, (long) idx, (long) len));
duk_join(ctx, (duk_idx_t) count); /* -> [ sep ToObject(this) len str ] */
- duk_dup(ctx, 0); /* -> [ sep ToObject(this) len str sep ] */
+ duk_dup_0(ctx); /* -> [ sep ToObject(this) len str sep ] */
duk_insert(ctx, -2); /* -> [ sep ToObject(this) len sep str ] */
count = 1;
}
@@ -20406,17 +22435,15 @@ DUK_INTERNAL duk_ret_t duk_bi_array_prototype_join_shared(duk_context *ctx) {
duk_get_prop_index(ctx, 1, (duk_uarridx_t) idx);
if (duk_is_null_or_undefined(ctx, -1)) {
duk_pop(ctx);
- duk_push_hstring_stridx(ctx, DUK_STRIDX_EMPTY_STRING);
+ duk_push_hstring_empty(ctx);
} else {
if (to_locale_string) {
duk_to_object(ctx, -1);
- duk_get_prop_stridx(ctx, -1, DUK_STRIDX_TO_LOCALE_STRING);
+ duk_get_prop_stridx_short(ctx, -1, DUK_STRIDX_TO_LOCALE_STRING);
duk_insert(ctx, -2); /* -> [ ... toLocaleString ToObject(val) ] */
duk_call_method(ctx, 0);
- duk_to_string(ctx, -1);
- } else {
- duk_to_string(ctx, -1);
}
+ duk_to_string(ctx, -1);
}
count++;
@@ -20432,15 +22459,72 @@ DUK_INTERNAL duk_ret_t duk_bi_array_prototype_join_shared(duk_context *ctx) {
* pop(), push()
*/
+#if defined(DUK_USE_ARRAY_FASTPATH)
+DUK_LOCAL duk_ret_t duk__array_pop_fastpath(duk_context *ctx, duk_harray *h_arr) {
+ duk_hthread *thr;
+ duk_tval *tv_arraypart;
+ duk_tval *tv_val;
+ duk_uint32_t len;
+
+ thr = (duk_hthread *) ctx;
+
+ tv_arraypart = DUK_HOBJECT_A_GET_BASE(thr->heap, (duk_hobject *) h_arr);
+ len = h_arr->length;
+ if (len <= 0) {
+ /* nop, return undefined */
+ return 0;
+ }
+
+ len--;
+ h_arr->length = len;
+
+ /* Fast path doesn't check for an index property inherited from
+ * Array.prototype. This is quite often acceptable; if not,
+ * disable fast path.
+ */
+ DUK_ASSERT_VS_SPACE(thr);
+ tv_val = tv_arraypart + len;
+ if (DUK_TVAL_IS_UNUSED(tv_val)) {
+ /* No net refcount change. Value stack already has
+ * 'undefined' based on value stack init policy.
+ */
+ DUK_ASSERT(DUK_TVAL_IS_UNDEFINED(thr->valstack_top));
+ DUK_ASSERT(DUK_TVAL_IS_UNUSED(tv_val));
+ } else {
+ /* No net refcount change. */
+ DUK_TVAL_SET_TVAL(thr->valstack_top, tv_val);
+ DUK_TVAL_SET_UNUSED(tv_val);
+ }
+ thr->valstack_top++;
+
+ /* XXX: there's no shrink check in the fast path now */
+
+ return 1;
+}
+#endif /* DUK_USE_ARRAY_FASTPATH */
+
DUK_INTERNAL duk_ret_t duk_bi_array_prototype_pop(duk_context *ctx) {
duk_uint32_t len;
duk_uint32_t idx;
+#if defined(DUK_USE_ARRAY_FASTPATH)
+ duk_harray *h_arr;
+#endif
DUK_ASSERT_TOP(ctx, 0);
+
+#if defined(DUK_USE_ARRAY_FASTPATH)
+ h_arr = duk__arraypart_fastpath_this(ctx);
+ if (h_arr) {
+ return duk__array_pop_fastpath(ctx, h_arr);
+ }
+#endif
+
+ /* XXX: Merge fastpath check into a related call (push this, coerce length, etc)? */
+
len = duk__push_this_obj_len_u32(ctx);
if (len == 0) {
duk_push_int(ctx, 0);
- duk_put_prop_stridx(ctx, 0, DUK_STRIDX_LENGTH);
+ duk_put_prop_stridx_short(ctx, 0, DUK_STRIDX_LENGTH);
return 0;
}
idx = len - 1;
@@ -20448,9 +22532,58 @@ DUK_INTERNAL duk_ret_t duk_bi_array_prototype_pop(duk_context *ctx) {
duk_get_prop_index(ctx, 0, (duk_uarridx_t) idx);
duk_del_prop_index(ctx, 0, (duk_uarridx_t) idx);
duk_push_u32(ctx, idx);
- duk_put_prop_stridx(ctx, 0, DUK_STRIDX_LENGTH);
+ duk_put_prop_stridx_short(ctx, 0, DUK_STRIDX_LENGTH);
+ return 1;
+}
+
+#if defined(DUK_USE_ARRAY_FASTPATH)
+DUK_LOCAL duk_ret_t duk__array_push_fastpath(duk_context *ctx, duk_harray *h_arr) {
+ duk_hthread *thr;
+ duk_tval *tv_arraypart;
+ duk_tval *tv_src;
+ duk_tval *tv_dst;
+ duk_uint32_t len;
+ duk_idx_t i, n;
+
+ thr = (duk_hthread *) ctx;
+
+ len = h_arr->length;
+ tv_arraypart = DUK_HOBJECT_A_GET_BASE(thr->heap, (duk_hobject *) h_arr);
+
+ n = (duk_idx_t) (thr->valstack_top - thr->valstack_bottom);
+ if (DUK_UNLIKELY(len + n < len)) {
+ DUK_D(DUK_DPRINT("Array.prototype.push() would go beyond 32-bit length, throw"));
+ DUK_DCERROR_RANGE_INVALID_LENGTH(thr); /* != 0 return value returned as is by caller */
+ }
+ if (len + n > DUK_HOBJECT_GET_ASIZE((duk_hobject *) h_arr)) {
+ /* Array part would need to be extended. Rely on slow path
+ * for now.
+ *
+ * XXX: Rework hobject code a bit and add extend support.
+ */
+ return 0;
+ }
+
+ tv_src = thr->valstack_bottom;
+ tv_dst = tv_arraypart + len;
+ for (i = 0; i < n; i++) {
+ /* No net refcount change; reset value stack values to
+ * undefined to satisfy value stack init policy.
+ */
+ DUK_TVAL_SET_TVAL(tv_dst, tv_src);
+ DUK_TVAL_SET_UNDEFINED(tv_src);
+ tv_src++;
+ tv_dst++;
+ }
+ thr->valstack_top = thr->valstack_bottom;
+ len += n;
+ h_arr->length = len;
+
+ DUK_ASSERT((duk_uint_t) len == len);
+ duk_push_uint(ctx, (duk_uint_t) len);
return 1;
}
+#endif /* DUK_USE_ARRAY_FASTPATH */
DUK_INTERNAL duk_ret_t duk_bi_array_prototype_push(duk_context *ctx) {
/* Note: 'this' is not necessarily an Array object. The push()
@@ -20461,6 +22594,21 @@ DUK_INTERNAL duk_ret_t duk_bi_array_prototype_push(duk_context *ctx) {
duk_uint32_t len;
duk_idx_t i, n;
+#if defined(DUK_USE_ARRAY_FASTPATH)
+ duk_harray *h_arr;
+#endif
+
+#if defined(DUK_USE_ARRAY_FASTPATH)
+ h_arr = duk__arraypart_fastpath_this(ctx);
+ if (h_arr) {
+ duk_ret_t rc;
+ rc = duk__array_push_fastpath(ctx, h_arr);
+ if (rc != 0) {
+ return rc;
+ }
+ DUK_DD(DUK_DDPRINT("array push() fast path exited, resize case"));
+ }
+#endif
n = duk_get_top(ctx);
len = duk__push_this_obj_len_u32(ctx);
@@ -20479,7 +22627,7 @@ DUK_INTERNAL duk_ret_t duk_bi_array_prototype_push(duk_context *ctx) {
if (len + (duk_uint32_t) n < len) {
DUK_D(DUK_DPRINT("Array.prototype.push() would go beyond 32-bit length, throw"));
- return DUK_RET_RANGE_ERROR;
+ DUK_DCERROR_RANGE_INVALID_LENGTH((duk_hthread *) ctx);
}
for (i = 0; i < n; i++) {
@@ -20490,7 +22638,7 @@ DUK_INTERNAL duk_ret_t duk_bi_array_prototype_push(duk_context *ctx) {
duk_push_u32(ctx, len);
duk_dup_top(ctx);
- duk_put_prop_stridx(ctx, -4, DUK_STRIDX_LENGTH);
+ duk_put_prop_stridx_short(ctx, -4, DUK_STRIDX_LENGTH);
/* [ arg1 ... argN obj length new_length ] */
return 1;
@@ -20581,25 +22729,25 @@ DUK_LOCAL duk_small_int_t duk__array_sort_compare(duk_context *ctx, duk_int_t id
if (!duk_is_undefined(ctx, idx_fn)) {
duk_double_t d;
- /* no need to check callable; duk_call() will do that */
+ /* No need to check callable; duk_call() will do that. */
duk_dup(ctx, idx_fn); /* -> [ ... x y fn ] */
duk_insert(ctx, -3); /* -> [ ... fn x y ] */
duk_call(ctx, 2); /* -> [ ... res ] */
- /* The specification is a bit vague what to do if the return
- * value is not a number. Other implementations seem to
- * tolerate non-numbers but e.g. V8 won't apparently do a
- * ToNumber().
+ /* ES5 is a bit vague about what to do if the return value is
+ * not a number. ES2015 provides a concrete description:
+ * http://www.ecma-international.org/ecma-262/6.0/#sec-sortcompare.
*/
- /* XXX: best behavior for real world compatibility? */
-
- d = duk_to_number(ctx, -1);
+ d = duk_to_number_m1(ctx);
if (d < 0.0) {
ret = -1;
} else if (d > 0.0) {
ret = 1;
} else {
+ /* Because NaN compares to false, NaN is handled here
+ * without an explicit check above.
+ */
ret = 0;
}
@@ -20610,8 +22758,9 @@ DUK_LOCAL duk_small_int_t duk__array_sort_compare(duk_context *ctx, duk_int_t id
/* string compare is the default (a bit oddly) */
+ /* XXX: any special handling for plain array; causes repeated coercion now? */
h1 = duk_to_hstring(ctx, -2);
- h2 = duk_to_hstring(ctx, -1);
+ h2 = duk_to_hstring_m1(ctx);
DUK_ASSERT(h1 != NULL);
DUK_ASSERT(h2 != NULL);
@@ -20652,7 +22801,7 @@ DUK_LOCAL void duk__array_sort_swap(duk_context *ctx, duk_int_t l, duk_int_t r)
}
}
-#if defined(DUK_USE_DDDPRINT)
+#if defined(DUK_USE_DEBUG_LEVEL) && (DUK_USE_DEBUG_LEVEL >= 2)
/* Debug print which visualizes the qsort partitioning process. */
DUK_LOCAL void duk__debuglog_qsort_state(duk_context *ctx, duk_int_t lo, duk_int_t hi, duk_int_t pivot) {
char buf[4096];
@@ -20685,7 +22834,6 @@ DUK_LOCAL void duk__debuglog_qsort_state(duk_context *ctx, duk_int_t lo, duk_int
#endif
DUK_LOCAL void duk__array_qsort(duk_context *ctx, duk_int_t lo, duk_int_t hi) {
- duk_hthread *thr = (duk_hthread *) ctx;
duk_int_t p, l, r;
/* The lo/hi indices may be crossed and hi < 0 is possible at entry. */
@@ -20709,10 +22857,9 @@ DUK_LOCAL void duk__array_qsort(duk_context *ctx, duk_int_t lo, duk_int_t hi) {
DUK_ASSERT(hi - lo + 1 >= 2);
/* randomized pivot selection */
- p = lo + (duk_util_tinyrandom_get_bits(thr, 30) % (hi - lo + 1)); /* rnd in [lo,hi] */
+ p = lo + (duk_int_t) (DUK_UTIL_GET_RANDOM_DOUBLE((duk_hthread *) ctx) * (duk_double_t) (hi - lo + 1));
DUK_ASSERT(p >= lo && p <= hi);
- DUK_DDD(DUK_DDDPRINT("lo=%ld, hi=%ld, chose pivot p=%ld",
- (long) lo, (long) hi, (long) p));
+ DUK_DDD(DUK_DDDPRINT("lo=%ld, hi=%ld, chose pivot p=%ld", (long) lo, (long) hi, (long) p));
/* move pivot out of the way */
duk__array_sort_swap(ctx, p, lo);
@@ -20773,7 +22920,7 @@ DUK_LOCAL void duk__array_qsort(duk_context *ctx, duk_int_t lo, duk_int_t hi) {
DUK_DDD(DUK_DDDPRINT("before final pivot swap: %!T", (duk_tval *) duk_get_tval(ctx, 1)));
duk__array_sort_swap(ctx, lo, r);
-#if defined(DUK_USE_DDDPRINT)
+#if defined(DUK_USE_DEBUG_LEVEL) && (DUK_USE_DEBUG_LEVEL >= 2)
duk__debuglog_qsort_state(ctx, lo, hi, r);
#endif
@@ -20849,11 +22996,11 @@ DUK_INTERNAL duk_ret_t duk_bi_array_prototype_splice(duk_context *ctx) {
}
DUK_ASSERT(act_start >= 0 && act_start <= (duk_int_t) len);
-#ifdef DUK_USE_NONSTD_ARRAY_SPLICE_DELCOUNT
+#if defined(DUK_USE_NONSTD_ARRAY_SPLICE_DELCOUNT)
if (have_delcount) {
#endif
del_count = duk_to_int_clamped(ctx, 1, 0, len - act_start);
-#ifdef DUK_USE_NONSTD_ARRAY_SPLICE_DELCOUNT
+#if defined(DUK_USE_NONSTD_ARRAY_SPLICE_DELCOUNT)
} else {
/* E5.1 standard behavior when deleteCount is not given would be
* to treat it just like if 'undefined' was given, which coerces
@@ -20873,7 +23020,7 @@ DUK_INTERNAL duk_ret_t duk_bi_array_prototype_splice(duk_context *ctx) {
/* For now, restrict result array into 32-bit length range. */
if (((duk_double_t) len) - ((duk_double_t) del_count) + ((duk_double_t) item_count) > (duk_double_t) DUK_UINT32_MAX) {
DUK_D(DUK_DPRINT("Array.prototype.splice() would go beyond 32-bit length, throw"));
- return DUK_RET_RANGE_ERROR;
+ DUK_DCERROR_RANGE_INVALID_LENGTH((duk_hthread *) ctx);
}
duk_push_array(ctx);
@@ -20898,7 +23045,7 @@ DUK_INTERNAL duk_ret_t duk_bi_array_prototype_splice(duk_context *ctx) {
}
}
duk_push_u32(ctx, (duk_uint32_t) del_count);
- duk_xdef_prop_stridx(ctx, -2, DUK_STRIDX_LENGTH, DUK_PROPDESC_FLAGS_W);
+ duk_xdef_prop_stridx_short(ctx, -2, DUK_STRIDX_LENGTH, DUK_PROPDESC_FLAGS_W);
/* Steps 12 and 13: reorganize elements to make room for itemCount elements */
@@ -20971,7 +23118,7 @@ DUK_INTERNAL duk_ret_t duk_bi_array_prototype_splice(duk_context *ctx) {
*/
duk_push_u32(ctx, len - del_count + item_count);
- duk_put_prop_stridx(ctx, -4, DUK_STRIDX_LENGTH);
+ duk_put_prop_stridx_short(ctx, -4, DUK_STRIDX_LENGTH);
/* result array is already at the top of stack */
DUK_ASSERT_TOP(ctx, nargs + 3);
@@ -21085,7 +23232,7 @@ DUK_INTERNAL duk_ret_t duk_bi_array_prototype_slice(duk_context *ctx) {
}
duk_push_u32(ctx, res_length);
- duk_xdef_prop_stridx(ctx, 4, DUK_STRIDX_LENGTH, DUK_PROPDESC_FLAGS_W);
+ duk_xdef_prop_stridx_short(ctx, 4, DUK_STRIDX_LENGTH, DUK_PROPDESC_FLAGS_W);
DUK_ASSERT_TOP(ctx, 5);
return 1;
@@ -21102,7 +23249,7 @@ DUK_INTERNAL duk_ret_t duk_bi_array_prototype_shift(duk_context *ctx) {
len = duk__push_this_obj_len_u32(ctx);
if (len == 0) {
duk_push_int(ctx, 0);
- duk_put_prop_stridx(ctx, 0, DUK_STRIDX_LENGTH);
+ duk_put_prop_stridx_short(ctx, 0, DUK_STRIDX_LENGTH);
return 0;
}
@@ -21127,7 +23274,7 @@ DUK_INTERNAL duk_ret_t duk_bi_array_prototype_shift(duk_context *ctx) {
duk_del_prop_index(ctx, 0, (duk_uarridx_t) (len - 1));
duk_push_u32(ctx, (duk_uint32_t) (len - 1));
- duk_put_prop_stridx(ctx, 0, DUK_STRIDX_LENGTH);
+ duk_put_prop_stridx_short(ctx, 0, DUK_STRIDX_LENGTH);
DUK_ASSERT_TOP(ctx, 3);
return 1;
@@ -21159,7 +23306,7 @@ DUK_INTERNAL duk_ret_t duk_bi_array_prototype_unshift(duk_context *ctx) {
if (len + (duk_uint32_t) nargs < len) {
DUK_D(DUK_DPRINT("Array.prototype.unshift() would go beyond 32-bit length, throw"));
- return DUK_RET_RANGE_ERROR;
+ DUK_DCERROR_RANGE_INVALID_LENGTH((duk_hthread *) ctx);
}
i = len;
@@ -21191,7 +23338,7 @@ DUK_INTERNAL duk_ret_t duk_bi_array_prototype_unshift(duk_context *ctx) {
DUK_ASSERT_TOP(ctx, nargs + 2);
duk_push_u32(ctx, len + nargs);
duk_dup_top(ctx); /* -> [ ... ToObject(this) ToUint32(length) final_len final_len ] */
- duk_put_prop_stridx(ctx, -4, DUK_STRIDX_LENGTH);
+ duk_put_prop_stridx_short(ctx, -4, DUK_STRIDX_LENGTH);
return 1;
}
@@ -21202,7 +23349,7 @@ DUK_INTERNAL duk_ret_t duk_bi_array_prototype_unshift(duk_context *ctx) {
DUK_INTERNAL duk_ret_t duk_bi_array_prototype_indexof_shared(duk_context *ctx) {
duk_idx_t nargs;
duk_int_t i, len;
- duk_int_t from_index;
+ duk_int_t from_idx;
duk_small_int_t idx_step = duk_get_current_magic(ctx); /* idx_step is +1 for indexOf, -1 for lastIndexOf */
/* lastIndexOf() needs to be a vararg function because we must distinguish
@@ -21241,22 +23388,22 @@ DUK_INTERNAL duk_ret_t duk_bi_array_prototype_indexof_shared(duk_context *ctx) {
* lastIndexOf: clamp fromIndex to [-len - 1, len - 1]
* (if clamped to -len-1 -> fromIndex becomes -1, terminates for-loop directly)
*/
- from_index = duk_to_int_clamped(ctx,
- 1,
- (idx_step > 0 ? -len : -len - 1),
- (idx_step > 0 ? len : len - 1));
- if (from_index < 0) {
+ from_idx = duk_to_int_clamped(ctx,
+ 1,
+ (idx_step > 0 ? -len : -len - 1),
+ (idx_step > 0 ? len : len - 1));
+ if (from_idx < 0) {
/* for lastIndexOf, result may be -1 (mark immediate termination) */
- from_index = len + from_index;
+ from_idx = len + from_idx;
}
} else {
/* for indexOf, ToInteger(undefined) would be 0, i.e. correct, but
* handle both indexOf and lastIndexOf specially here.
*/
if (idx_step > 0) {
- from_index = 0;
+ from_idx = 0;
} else {
- from_index = len - 1;
+ from_idx = len - 1;
}
}
@@ -21266,7 +23413,7 @@ DUK_INTERNAL duk_ret_t duk_bi_array_prototype_indexof_shared(duk_context *ctx) {
* stack[3] = length (not needed, but not popped above)
*/
- for (i = from_index; i >= 0 && i < len; i += idx_step) {
+ for (i = from_idx; i >= 0 && i < len; i += idx_step) {
DUK_ASSERT_TOP(ctx, 4);
if (duk_get_prop_index(ctx, 2, (duk_uarridx_t) i)) {
@@ -21356,11 +23503,11 @@ DUK_INTERNAL duk_ret_t duk_bi_array_prototype_iter_shared(duk_context *ctx) {
* effects.
*/
- duk_dup(ctx, 0);
- duk_dup(ctx, 1);
- duk_dup(ctx, -3);
+ duk_dup_0(ctx);
+ duk_dup_1(ctx);
+ duk_dup_m3(ctx);
duk_push_u32(ctx, i);
- duk_dup(ctx, 2); /* [ ... val callback thisArg val i obj ] */
+ duk_dup_2(ctx); /* [ ... val callback thisArg val i obj ] */
duk_call_method(ctx, 3); /* -> [ ... val retval ] */
switch (iter_type) {
@@ -21382,14 +23529,14 @@ DUK_INTERNAL duk_ret_t duk_bi_array_prototype_iter_shared(duk_context *ctx) {
/* nop */
break;
case DUK__ITER_MAP:
- duk_dup(ctx, -1);
+ duk_dup_top(ctx);
duk_xdef_prop_index_wec(ctx, 4, (duk_uarridx_t) i); /* retval to result[i] */
res_length = i + 1;
break;
case DUK__ITER_FILTER:
bval = duk_to_boolean(ctx, -1);
if (bval) {
- duk_dup(ctx, -2); /* orig value */
+ duk_dup_m2(ctx); /* orig value */
duk_xdef_prop_index_wec(ctx, 4, (duk_uarridx_t) k);
k++;
res_length = k;
@@ -21419,7 +23566,7 @@ DUK_INTERNAL duk_ret_t duk_bi_array_prototype_iter_shared(duk_context *ctx) {
DUK_ASSERT_TOP(ctx, 5);
DUK_ASSERT(duk_is_array(ctx, -1)); /* topmost element is the result array already */
duk_push_u32(ctx, res_length);
- duk_xdef_prop_stridx(ctx, -2, DUK_STRIDX_LENGTH, DUK_PROPDESC_FLAGS_W);
+ duk_xdef_prop_stridx_short(ctx, -2, DUK_STRIDX_LENGTH, DUK_PROPDESC_FLAGS_W);
break;
default:
DUK_UNREACHABLE();
@@ -21447,9 +23594,7 @@ DUK_INTERNAL duk_ret_t duk_bi_array_prototype_reduce_shared(duk_context *ctx) {
duk_set_top(ctx, 2);
len = duk__push_this_obj_len_u32(ctx);
- if (!duk_is_callable(ctx, 0)) {
- goto type_error;
- }
+ duk_require_callable(ctx, 0);
/* stack[0] = callback fn
* stack[1] = initialValue
@@ -21460,7 +23605,7 @@ DUK_INTERNAL duk_ret_t duk_bi_array_prototype_reduce_shared(duk_context *ctx) {
have_acc = 0;
if (nargs >= 2) {
- duk_dup(ctx, 1);
+ duk_dup_1(ctx);
have_acc = 1;
}
DUK_DDD(DUK_DDDPRINT("have_acc=%ld, acc=%!T",
@@ -21494,11 +23639,11 @@ DUK_INTERNAL duk_ret_t duk_bi_array_prototype_reduce_shared(duk_context *ctx) {
DUK_ASSERT_TOP(ctx, 5);
} else {
DUK_ASSERT_TOP(ctx, 5);
- duk_dup(ctx, 0);
+ duk_dup_0(ctx);
duk_dup(ctx, 4);
duk_get_prop_index(ctx, 2, (duk_uarridx_t) i);
duk_push_u32(ctx, i);
- duk_dup(ctx, 2);
+ duk_dup_2(ctx);
DUK_DDD(DUK_DDDPRINT("calling reduce function: func=%!T, prev=%!T, curr=%!T, idx=%!T, obj=%!T",
(duk_tval *) duk_get_tval(ctx, -5), (duk_tval *) duk_get_tval(ctx, -4),
(duk_tval *) duk_get_tval(ctx, -3), (duk_tval *) duk_get_tval(ctx, -2),
@@ -21511,29 +23656,29 @@ DUK_INTERNAL duk_ret_t duk_bi_array_prototype_reduce_shared(duk_context *ctx) {
}
if (!have_acc) {
- goto type_error;
+ DUK_DCERROR_TYPE_INVALID_ARGS((duk_hthread *) ctx);
}
DUK_ASSERT_TOP(ctx, 5);
return 1;
-
- type_error:
- return DUK_RET_TYPE_ERROR;
}
-#undef DUK__ARRAY_MID_JOIN_LIMIT
+#endif /* DUK_USE_ARRAY_BUILTIN */
+/* automatic undefs */
+#undef DUK__ARRAY_MID_JOIN_LIMIT
#undef DUK__ITER_EVERY
-#undef DUK__ITER_SOME
+#undef DUK__ITER_FILTER
#undef DUK__ITER_FOREACH
#undef DUK__ITER_MAP
-#undef DUK__ITER_FILTER
-#line 1 "duk_bi_boolean.c"
+#undef DUK__ITER_SOME
/*
* Boolean built-ins
*/
-/* include removed: duk_internal.h */
+/* #include duk_internal.h -> already included */
+
+#if defined(DUK_USE_BOOLEAN_BUILTIN)
/* Shared helper to provide toString() and valueOf(). Checks 'this', gets
* the primitive value to stack top, and optionally coerces with ToString().
@@ -21559,13 +23704,14 @@ DUK_INTERNAL duk_ret_t duk_bi_boolean_prototype_tostring_shared(duk_context *ctx
DUK_ASSERT(h != NULL);
if (DUK_HOBJECT_GET_CLASS_NUMBER(h) == DUK_HOBJECT_CLASS_BOOLEAN) {
- duk_get_prop_stridx(ctx, -1, DUK_STRIDX_INT_VALUE);
+ duk_get_prop_stridx_short(ctx, -1, DUK_STRIDX_INT_VALUE);
DUK_ASSERT(duk_is_boolean(ctx, -1));
goto type_ok;
}
}
- return DUK_RET_TYPE_ERROR;
+ DUK_DCERROR_TYPE_INVALID_ARGS((duk_hthread *) ctx);
+ /* never here */
type_ok:
if (coerce_tostring) {
@@ -21585,32 +23731,49 @@ DUK_INTERNAL duk_ret_t duk_bi_boolean_constructor(duk_context *ctx) {
if (duk_is_constructor_call(ctx)) {
/* XXX: helper; rely on Boolean.prototype as being non-writable, non-configurable */
duk_push_this(ctx);
- h_this = duk_get_hobject(ctx, -1);
- DUK_ASSERT(h_this != NULL);
+ h_this = duk_known_hobject(ctx, -1);
DUK_ASSERT(DUK_HOBJECT_GET_PROTOTYPE(thr->heap, h_this) == thr->builtins[DUK_BIDX_BOOLEAN_PROTOTYPE]);
DUK_HOBJECT_SET_CLASS_NUMBER(h_this, DUK_HOBJECT_CLASS_BOOLEAN);
- duk_dup(ctx, 0); /* -> [ val obj val ] */
- duk_xdef_prop_stridx(ctx, -2, DUK_STRIDX_INT_VALUE, DUK_PROPDESC_FLAGS_NONE); /* XXX: proper flags? */
+ duk_dup_0(ctx); /* -> [ val obj val ] */
+ duk_xdef_prop_stridx_short(ctx, -2, DUK_STRIDX_INT_VALUE, DUK_PROPDESC_FLAGS_NONE); /* XXX: proper flags? */
} /* unbalanced stack */
return 1;
}
-#line 1 "duk_bi_buffer.c"
+
+#endif /* DUK_USE_BOOLEAN_BUILTIN */
/*
- * Duktape.Buffer, Node.js Buffer, and Khronos/ES6 TypedArray built-ins
+ * ES2015 TypedArray and Node.js Buffer built-ins
*/
-/* include removed: duk_internal.h */
+/* #include duk_internal.h -> already included */
/*
- * Misc helpers
+ * Helpers for buffer handling, enabled with DUK_USE_BUFFEROBJECT_SUPPORT.
*/
#if defined(DUK_USE_BUFFEROBJECT_SUPPORT)
-/* Map DUK_HBUFFEROBJECT_ELEM_xxx to duk_hobject class number.
- * Sync with duk_hbufferobject.h and duk_hobject.h.
+/* Map class number (minus DUK_HOBJECT_CLASS_BUFOBJ_MIN) to a bidx for the
+ * default internal prototype.
+ */
+static const duk_uint8_t duk__buffer_proto_from_classnum[] = {
+ DUK_BIDX_ARRAYBUFFER_PROTOTYPE,
+ DUK_BIDX_DATAVIEW_PROTOTYPE,
+ DUK_BIDX_INT8ARRAY_PROTOTYPE,
+ DUK_BIDX_UINT8ARRAY_PROTOTYPE,
+ DUK_BIDX_UINT8CLAMPEDARRAY_PROTOTYPE,
+ DUK_BIDX_INT16ARRAY_PROTOTYPE,
+ DUK_BIDX_UINT16ARRAY_PROTOTYPE,
+ DUK_BIDX_INT32ARRAY_PROTOTYPE,
+ DUK_BIDX_UINT32ARRAY_PROTOTYPE,
+ DUK_BIDX_FLOAT32ARRAY_PROTOTYPE,
+ DUK_BIDX_FLOAT64ARRAY_PROTOTYPE
+};
+
+/* Map DUK_HBUFOBJ_ELEM_xxx to duk_hobject class number.
+ * Sync with duk_hbufobj.h and duk_hobject.h.
*/
static const duk_uint8_t duk__buffer_class_from_elemtype[9] = {
DUK_HOBJECT_CLASS_UINT8ARRAY,
@@ -21623,11 +23786,9 @@ static const duk_uint8_t duk__buffer_class_from_elemtype[9] = {
DUK_HOBJECT_CLASS_FLOAT32ARRAY,
DUK_HOBJECT_CLASS_FLOAT64ARRAY
};
-#endif /* DUK_USE_BUFFEROBJECT_SUPPORT */
-#if defined(DUK_USE_BUFFEROBJECT_SUPPORT)
-/* Map DUK_HBUFFEROBJECT_ELEM_xxx to prototype object built-in index.
- * Sync with duk_hbufferobject.h.
+/* Map DUK_HBUFOBJ_ELEM_xxx to prototype object built-in index.
+ * Sync with duk_hbufobj.h.
*/
static const duk_uint8_t duk__buffer_proto_from_elemtype[9] = {
DUK_BIDX_UINT8ARRAY_PROTOTYPE,
@@ -21640,11 +23801,8 @@ static const duk_uint8_t duk__buffer_proto_from_elemtype[9] = {
DUK_BIDX_FLOAT32ARRAY_PROTOTYPE,
DUK_BIDX_FLOAT64ARRAY_PROTOTYPE
};
-#endif /* DUK_USE_BUFFEROBJECT_SUPPORT */
-#if defined(DUK_USE_BUFFEROBJECT_SUPPORT)
-/* Map DUK__FLX_xxx to byte size.
- */
+/* Map DUK__FLD_xxx to byte size. */
static const duk_uint8_t duk__buffer_nbytes_from_fldtype[6] = {
1, /* DUK__FLD_8BIT */
2, /* DUK__FLD_16BIT */
@@ -21653,129 +23811,168 @@ static const duk_uint8_t duk__buffer_nbytes_from_fldtype[6] = {
8, /* DUK__FLD_DOUBLE */
0 /* DUK__FLD_VARINT; not relevant here */
};
-#endif /* DUK_USE_BUFFEROBJECT_SUPPORT */
-#if defined(DUK_USE_BUFFEROBJECT_SUPPORT)
-/* Bitfield for each DUK_HBUFFEROBJECT_ELEM_xxx indicating which element types
+/* Bitfield for each DUK_HBUFOBJ_ELEM_xxx indicating which element types
* are compatible with a blind byte copy for the TypedArray set() method (also
* used for TypedArray constructor). Array index is target buffer elem type,
* bitfield indicates compatible source types. The types must have same byte
* size and they must be coercion compatible.
*/
+#if !defined(DUK_USE_PREFER_SIZE)
static duk_uint16_t duk__buffer_elemtype_copy_compatible[9] = {
- /* xxx -> DUK_HBUFFEROBJECT_ELEM_UINT8 */
- (1U << DUK_HBUFFEROBJECT_ELEM_UINT8) |
- (1U << DUK_HBUFFEROBJECT_ELEM_UINT8CLAMPED) |
- (1U << DUK_HBUFFEROBJECT_ELEM_INT8),
+ /* xxx -> DUK_HBUFOBJ_ELEM_UINT8 */
+ (1U << DUK_HBUFOBJ_ELEM_UINT8) |
+ (1U << DUK_HBUFOBJ_ELEM_UINT8CLAMPED) |
+ (1U << DUK_HBUFOBJ_ELEM_INT8),
- /* xxx -> DUK_HBUFFEROBJECT_ELEM_UINT8CLAMPED
+ /* xxx -> DUK_HBUFOBJ_ELEM_UINT8CLAMPED
* Note: INT8 is -not- copy compatible, e.g. -1 would coerce to 0x00.
*/
- (1U << DUK_HBUFFEROBJECT_ELEM_UINT8) |
- (1U << DUK_HBUFFEROBJECT_ELEM_UINT8CLAMPED),
+ (1U << DUK_HBUFOBJ_ELEM_UINT8) |
+ (1U << DUK_HBUFOBJ_ELEM_UINT8CLAMPED),
- /* xxx -> DUK_HBUFFEROBJECT_ELEM_INT8 */
- (1U << DUK_HBUFFEROBJECT_ELEM_UINT8) |
- (1U << DUK_HBUFFEROBJECT_ELEM_UINT8CLAMPED) |
- (1U << DUK_HBUFFEROBJECT_ELEM_INT8),
+ /* xxx -> DUK_HBUFOBJ_ELEM_INT8 */
+ (1U << DUK_HBUFOBJ_ELEM_UINT8) |
+ (1U << DUK_HBUFOBJ_ELEM_UINT8CLAMPED) |
+ (1U << DUK_HBUFOBJ_ELEM_INT8),
- /* xxx -> DUK_HBUFFEROBJECT_ELEM_UINT16 */
- (1U << DUK_HBUFFEROBJECT_ELEM_UINT16) |
- (1U << DUK_HBUFFEROBJECT_ELEM_INT16),
+ /* xxx -> DUK_HBUFOBJ_ELEM_UINT16 */
+ (1U << DUK_HBUFOBJ_ELEM_UINT16) |
+ (1U << DUK_HBUFOBJ_ELEM_INT16),
- /* xxx -> DUK_HBUFFEROBJECT_ELEM_INT16 */
- (1U << DUK_HBUFFEROBJECT_ELEM_UINT16) |
- (1U << DUK_HBUFFEROBJECT_ELEM_INT16),
+ /* xxx -> DUK_HBUFOBJ_ELEM_INT16 */
+ (1U << DUK_HBUFOBJ_ELEM_UINT16) |
+ (1U << DUK_HBUFOBJ_ELEM_INT16),
- /* xxx -> DUK_HBUFFEROBJECT_ELEM_UINT32 */
- (1U << DUK_HBUFFEROBJECT_ELEM_UINT32) |
- (1U << DUK_HBUFFEROBJECT_ELEM_INT32),
+ /* xxx -> DUK_HBUFOBJ_ELEM_UINT32 */
+ (1U << DUK_HBUFOBJ_ELEM_UINT32) |
+ (1U << DUK_HBUFOBJ_ELEM_INT32),
- /* xxx -> DUK_HBUFFEROBJECT_ELEM_INT32 */
- (1U << DUK_HBUFFEROBJECT_ELEM_UINT32) |
- (1U << DUK_HBUFFEROBJECT_ELEM_INT32),
+ /* xxx -> DUK_HBUFOBJ_ELEM_INT32 */
+ (1U << DUK_HBUFOBJ_ELEM_UINT32) |
+ (1U << DUK_HBUFOBJ_ELEM_INT32),
- /* xxx -> DUK_HBUFFEROBJECT_ELEM_FLOAT32 */
- (1U << DUK_HBUFFEROBJECT_ELEM_FLOAT32),
+ /* xxx -> DUK_HBUFOBJ_ELEM_FLOAT32 */
+ (1U << DUK_HBUFOBJ_ELEM_FLOAT32),
- /* xxx -> DUK_HBUFFEROBJECT_ELEM_FLOAT64 */
- (1U << DUK_HBUFFEROBJECT_ELEM_FLOAT64)
+ /* xxx -> DUK_HBUFOBJ_ELEM_FLOAT64 */
+ (1U << DUK_HBUFOBJ_ELEM_FLOAT64)
};
-#endif /* DUK_USE_BUFFEROBJECT_SUPPORT */
+#endif /* !DUK_USE_PREFER_SIZE */
-#if defined(DUK_USE_BUFFEROBJECT_SUPPORT)
-/* Shared helper. */
-DUK_LOCAL duk_hbufferobject *duk__getrequire_bufobj_this(duk_context *ctx, duk_bool_t throw_flag) {
+DUK_LOCAL duk_hbufobj *duk__hbufobj_promote_this(duk_context *ctx) {
+ duk_hthread *thr;
+ duk_tval *tv_dst;
+ duk_hbufobj *res;
+
+ thr = (duk_hthread *) ctx;
+ duk_push_this(ctx);
+ DUK_ASSERT(duk_is_buffer(ctx, -1));
+ res = (duk_hbufobj *) duk_to_hobject(ctx, -1);
+ DUK_ASSERT_HBUFOBJ_VALID(res);
+ DUK_DD(DUK_DDPRINT("promoted 'this' automatically to an ArrayBuffer: %!iT", duk_get_tval(ctx, -1)));
+
+ tv_dst = duk_get_borrowed_this_tval(ctx);
+ DUK_TVAL_SET_OBJECT_UPDREF(thr, tv_dst, (duk_hobject *) res);
+ duk_pop(ctx);
+
+ return res;
+}
+
+#define DUK__BUFOBJ_FLAG_THROW (1 << 0)
+#define DUK__BUFOBJ_FLAG_PROMOTE (1 << 1)
+
+/* Shared helper. When DUK__BUFOBJ_FLAG_PROMOTE is given, the return value is
+ * always a duk_hbufobj *. Without the flag the return value can also be a
+ * plain buffer, and the caller must check for it using DUK_HEAPHDR_IS_BUFFER().
+ */
+DUK_LOCAL duk_heaphdr *duk__getrequire_bufobj_this(duk_context *ctx, duk_small_uint_t flags) {
duk_hthread *thr;
duk_tval *tv;
- duk_hbufferobject *h_this;
+ duk_hbufobj *h_this;
DUK_ASSERT(ctx != NULL);
thr = (duk_hthread *) ctx;
tv = duk_get_borrowed_this_tval(ctx);
DUK_ASSERT(tv != NULL);
+
if (DUK_TVAL_IS_OBJECT(tv)) {
- h_this = (duk_hbufferobject *) DUK_TVAL_GET_OBJECT(tv);
+ h_this = (duk_hbufobj *) DUK_TVAL_GET_OBJECT(tv);
DUK_ASSERT(h_this != NULL);
- if (DUK_HOBJECT_IS_BUFFEROBJECT((duk_hobject *) h_this)) {
- DUK_ASSERT_HBUFFEROBJECT_VALID(h_this);
- return h_this;
+ if (DUK_HOBJECT_IS_BUFOBJ((duk_hobject *) h_this)) {
+ DUK_ASSERT_HBUFOBJ_VALID(h_this);
+ return (duk_heaphdr *) h_this;
+ }
+ } else if (DUK_TVAL_IS_BUFFER(tv)) {
+ if (flags & DUK__BUFOBJ_FLAG_PROMOTE) {
+ /* Promote a plain buffer to a Uint8Array. This is very
+ * inefficient but allows plain buffer to be used wherever an
+ * Uint8Array is used with very small cost; hot path functions
+ * like index read/write calls should provide direct buffer
+ * support to avoid promotion.
+ */
+ /* XXX: make this conditional to a flag if call sites need it? */
+ h_this = duk__hbufobj_promote_this(ctx);
+ DUK_ASSERT(h_this != NULL);
+ DUK_ASSERT_HBUFOBJ_VALID(h_this);
+ return (duk_heaphdr *) h_this;
+ } else {
+ /* XXX: ugly, share return pointer for duk_hbuffer. */
+ return (duk_heaphdr *) DUK_TVAL_GET_BUFFER(tv);
}
}
- if (throw_flag) {
+ if (flags & DUK__BUFOBJ_FLAG_THROW) {
DUK_ERROR_TYPE(thr, DUK_STR_NOT_BUFFER);
}
return NULL;
}
-#endif /* DUK_USE_BUFFEROBJECT_SUPPORT */
-#if defined(DUK_USE_BUFFEROBJECT_SUPPORT)
-/* Check that 'this' is a duk_hbufferobject and return a pointer to it. */
-DUK_LOCAL duk_hbufferobject *duk__get_bufobj_this(duk_context *ctx) {
- return duk__getrequire_bufobj_this(ctx, 0);
+/* Check that 'this' is a duk_hbufobj and return a pointer to it. */
+DUK_LOCAL duk_hbufobj *duk__get_bufobj_this(duk_context *ctx) {
+ return (duk_hbufobj *) duk__getrequire_bufobj_this(ctx, DUK__BUFOBJ_FLAG_PROMOTE);
}
-#endif /* DUK_USE_BUFFEROBJECT_SUPPORT */
-#if defined(DUK_USE_BUFFEROBJECT_SUPPORT)
-/* Check that 'this' is a duk_hbufferobject and return a pointer to it
+/* Check that 'this' is a duk_hbufobj and return a pointer to it
* (NULL if not).
*/
-DUK_LOCAL duk_hbufferobject *duk__require_bufobj_this(duk_context *ctx) {
- return duk__getrequire_bufobj_this(ctx, 1);
+DUK_LOCAL duk_hbufobj *duk__require_bufobj_this(duk_context *ctx) {
+ return (duk_hbufobj *) duk__getrequire_bufobj_this(ctx, DUK__BUFOBJ_FLAG_THROW | DUK__BUFOBJ_FLAG_PROMOTE);
}
-#endif /* DUK_USE_BUFFEROBJECT_SUPPORT */
-#if defined(DUK_USE_BUFFEROBJECT_SUPPORT)
-/* Check that value is a duk_hbufferobject and return a pointer to it. */
-DUK_LOCAL duk_hbufferobject *duk__require_bufobj_value(duk_context *ctx, duk_idx_t index) {
+/* Check that value is a duk_hbufobj and return a pointer to it. */
+DUK_LOCAL duk_hbufobj *duk__require_bufobj_value(duk_context *ctx, duk_idx_t idx) {
duk_hthread *thr;
duk_tval *tv;
- duk_hbufferobject *h_obj;
+ duk_hbufobj *h_obj;
thr = (duk_hthread *) ctx;
/* Don't accept relative indices now. */
- DUK_ASSERT(index >= 0);
+ DUK_ASSERT(idx >= 0);
- tv = duk_require_tval(ctx, index);
+ tv = duk_require_tval(ctx, idx);
DUK_ASSERT(tv != NULL);
if (DUK_TVAL_IS_OBJECT(tv)) {
- h_obj = (duk_hbufferobject *) DUK_TVAL_GET_OBJECT(tv);
+ h_obj = (duk_hbufobj *) DUK_TVAL_GET_OBJECT(tv);
DUK_ASSERT(h_obj != NULL);
- if (DUK_HOBJECT_IS_BUFFEROBJECT((duk_hobject *) h_obj)) {
- DUK_ASSERT_HBUFFEROBJECT_VALID(h_obj);
+ if (DUK_HOBJECT_IS_BUFOBJ((duk_hobject *) h_obj)) {
+ DUK_ASSERT_HBUFOBJ_VALID(h_obj);
return h_obj;
}
+ } else if (DUK_TVAL_IS_BUFFER(tv)) {
+ h_obj = (duk_hbufobj *) duk_to_hobject(ctx, idx);
+ DUK_ASSERT(h_obj != NULL);
+ DUK_ASSERT_HBUFOBJ_VALID(h_obj);
+ return h_obj;
}
DUK_ERROR_TYPE(thr, DUK_STR_NOT_BUFFER);
return NULL; /* not reachable */
}
-#endif /* DUK_USE_BUFFEROBJECT_SUPPORT */
-DUK_LOCAL void duk__set_bufobj_buffer(duk_context *ctx, duk_hbufferobject *h_bufobj, duk_hbuffer *h_val) {
+DUK_LOCAL void duk__set_bufobj_buffer(duk_context *ctx, duk_hbufobj *h_bufobj, duk_hbuffer *h_val) {
duk_hthread *thr;
thr = (duk_hthread *) ctx;
@@ -21785,44 +23982,41 @@ DUK_LOCAL void duk__set_bufobj_buffer(duk_context *ctx, duk_hbufferobject *h_buf
DUK_ASSERT(h_bufobj != NULL);
DUK_ASSERT(h_bufobj->buf == NULL); /* no need to decref */
DUK_ASSERT(h_val != NULL);
- DUK_ASSERT_HBUFFEROBJECT_VALID(h_bufobj);
+ DUK_ASSERT_HBUFOBJ_VALID(h_bufobj);
h_bufobj->buf = h_val;
DUK_HBUFFER_INCREF(thr, h_val);
h_bufobj->length = (duk_uint_t) DUK_HBUFFER_GET_SIZE(h_val);
DUK_ASSERT(h_bufobj->shift == 0);
- DUK_ASSERT(h_bufobj->elem_type == DUK_HBUFFEROBJECT_ELEM_UINT8);
+ DUK_ASSERT(h_bufobj->elem_type == DUK_HBUFOBJ_ELEM_UINT8);
+ DUK_ASSERT(h_bufobj->is_typedarray == 0);
- DUK_ASSERT_HBUFFEROBJECT_VALID(h_bufobj);
+ DUK_ASSERT_HBUFOBJ_VALID(h_bufobj);
}
-#if defined(DUK_USE_BUFFEROBJECT_SUPPORT)
-DUK_LOCAL duk_hbufferobject *duk__push_arraybuffer_with_length(duk_context *ctx, duk_uint_t len) {
+DUK_LOCAL duk_hbufobj *duk__push_arraybuffer_with_length(duk_context *ctx, duk_uint_t len) {
duk_hbuffer *h_val;
- duk_hbufferobject *h_bufobj;
+ duk_hbufobj *h_bufobj;
- (void) duk_push_fixed_buffer(ctx, (duk_size_t) len);
- h_val = (duk_hbuffer *) duk_get_hbuffer(ctx, -1);
- DUK_ASSERT(h_val != NULL);
+ (void) duk_push_fixed_buffer_zero(ctx, (duk_size_t) len);
+ h_val = (duk_hbuffer *) duk_known_hbuffer(ctx, -1);
- h_bufobj = duk_push_bufferobject_raw(ctx,
- DUK_HOBJECT_FLAG_EXTENSIBLE |
- DUK_HOBJECT_FLAG_BUFFEROBJECT |
- DUK_HOBJECT_CLASS_AS_FLAGS(DUK_HOBJECT_CLASS_ARRAYBUFFER),
- DUK_BIDX_ARRAYBUFFER_PROTOTYPE);
+ h_bufobj = duk_push_bufobj_raw(ctx,
+ DUK_HOBJECT_FLAG_EXTENSIBLE |
+ DUK_HOBJECT_FLAG_BUFOBJ |
+ DUK_HOBJECT_CLASS_AS_FLAGS(DUK_HOBJECT_CLASS_ARRAYBUFFER),
+ DUK_BIDX_ARRAYBUFFER_PROTOTYPE);
DUK_ASSERT(h_bufobj != NULL);
duk__set_bufobj_buffer(ctx, h_bufobj, h_val);
- DUK_ASSERT_HBUFFEROBJECT_VALID(h_bufobj);
+ DUK_ASSERT_HBUFOBJ_VALID(h_bufobj);
return h_bufobj;
}
-#endif /* DUK_USE_BUFFEROBJECT_SUPPORT */
-#if defined(DUK_USE_BUFFEROBJECT_SUPPORT)
/* Shared offset/length coercion helper. */
DUK_LOCAL void duk__resolve_offset_opt_length(duk_context *ctx,
- duk_hbufferobject *h_bufarg,
+ duk_hbufobj *h_bufarg,
duk_idx_t idx_offset,
duk_idx_t idx_length,
duk_uint_t *out_offset,
@@ -21877,29 +24071,24 @@ DUK_LOCAL void duk__resolve_offset_opt_length(duk_context *ctx,
return;
fail_range:
- DUK_ERROR_RANGE(thr, DUK_STR_INVALID_CALL_ARGS);
+ DUK_ERROR_RANGE(thr, DUK_STR_INVALID_ARGS);
}
-#endif /* DUK_USE_BUFFEROBJECT_SUPPORT */
-#if defined(DUK_USE_BUFFEROBJECT_SUPPORT)
/* Shared lenient buffer length clamping helper. No negative indices, no
* element/byte shifting.
*/
DUK_LOCAL void duk__clamp_startend_nonegidx_noshift(duk_context *ctx,
- duk_hbufferobject *h_bufobj,
+ duk_int_t buffer_length,
duk_idx_t idx_start,
duk_idx_t idx_end,
duk_int_t *out_start_offset,
duk_int_t *out_end_offset) {
- duk_int_t buffer_length;
duk_int_t start_offset;
duk_int_t end_offset;
DUK_ASSERT(out_start_offset != NULL);
DUK_ASSERT(out_end_offset != NULL);
- buffer_length = (duk_int_t) h_bufobj->length;
-
/* undefined coerces to zero which is correct */
start_offset = duk_to_int_clamped(ctx, idx_start, 0, buffer_length);
if (duk_is_undefined(ctx, idx_end)) {
@@ -21917,9 +24106,7 @@ DUK_LOCAL void duk__clamp_startend_nonegidx_noshift(duk_context *ctx,
*out_start_offset = start_offset;
*out_end_offset = end_offset;
}
-#endif /* DUK_USE_BUFFEROBJECT_SUPPORT */
-#if defined(DUK_USE_BUFFEROBJECT_SUPPORT)
/* Shared lenient buffer length clamping helper. Indices are treated as
* element indices (though output values are byte offsets) which only
* really matters for TypedArray views as other buffer object have a zero
@@ -21928,20 +24115,19 @@ DUK_LOCAL void duk__clamp_startend_nonegidx_noshift(duk_context *ctx,
* against input slice. Used for e.g. ArrayBuffer slice().
*/
DUK_LOCAL void duk__clamp_startend_negidx_shifted(duk_context *ctx,
- duk_hbufferobject *h_bufobj,
+ duk_int_t buffer_length,
+ duk_uint8_t buffer_shift,
duk_idx_t idx_start,
duk_idx_t idx_end,
duk_int_t *out_start_offset,
duk_int_t *out_end_offset) {
- duk_int_t buffer_length;
duk_int_t start_offset;
duk_int_t end_offset;
DUK_ASSERT(out_start_offset != NULL);
DUK_ASSERT(out_end_offset != NULL);
- buffer_length = (duk_int_t) h_bufobj->length;
- buffer_length >>= h_bufobj->shift; /* as elements */
+ buffer_length >>= buffer_shift; /* as (full) elements */
/* Resolve start/end offset as element indices first; arguments
* at idx_start/idx_end are element offsets. Working with element
@@ -21979,60 +24165,102 @@ DUK_LOCAL void duk__clamp_startend_negidx_shifted(duk_context *ctx,
DUK_ASSERT(start_offset <= end_offset);
/* Convert indices to byte offsets. */
- start_offset <<= h_bufobj->shift;
- end_offset <<= h_bufobj->shift;
+ start_offset <<= buffer_shift;
+ end_offset <<= buffer_shift;
*out_start_offset = start_offset;
*out_end_offset = end_offset;
}
-#endif /* DUK_USE_BUFFEROBJECT_SUPPORT */
-/*
- * Indexed read/write helpers (also used from outside this file)
- */
+DUK_INTERNAL void duk_hbufobj_promote_plain(duk_context *ctx, duk_idx_t idx) {
+ if (duk_is_buffer(ctx, idx)) {
+ duk_to_object(ctx, idx);
+ }
+}
+
+DUK_INTERNAL void duk_hbufobj_push_uint8array_from_plain(duk_hthread *thr, duk_hbuffer *h_buf) {
+ duk_context *ctx;
+
+ ctx = (duk_context *) thr;
+
+ /* Push Uint8Array which will share the same underlying buffer as
+ * the plain buffer argument. Also create an ArrayBuffer with the
+ * same backing for the result .buffer property.
+ */
+
+ duk_push_hbuffer(ctx, h_buf);
+ duk_push_buffer_object(ctx, -1, 0, (duk_size_t) DUK_HBUFFER_GET_SIZE(h_buf), DUK_BUFOBJ_UINT8ARRAY);
+ duk_remove_m2(ctx);
+
+#if 0
+ /* More verbose equivalent; maybe useful if e.g. .buffer is omitted. */
+ h_bufobj = duk_push_bufobj_raw(ctx,
+ DUK_HOBJECT_FLAG_EXTENSIBLE |
+ DUK_HOBJECT_FLAG_BUFOBJ |
+ DUK_HOBJECT_CLASS_AS_FLAGS(DUK_HOBJECT_CLASS_UINT8ARRAY),
+ DUK_BIDX_UINT8ARRAY_PROTOTYPE);
+ DUK_ASSERT(h_bufobj != NULL);
+ duk__set_bufobj_buffer(ctx, h_bufobj, h_buf);
+ h_bufobj->is_typedarray = 1;
+ DUK_ASSERT_HBUFOBJ_VALID(h_bufobj);
+
+ h_arrbuf = duk_push_bufobj_raw(ctx,
+ DUK_HOBJECT_FLAG_EXTENSIBLE |
+ DUK_HOBJECT_FLAG_BUFOBJ |
+ DUK_HOBJECT_CLASS_AS_FLAGS(DUK_HOBJECT_CLASS_ARRAYBUFFER),
+ DUK_BIDX_ARRAYBUFFER_PROTOTYPE);
+ DUK_ASSERT(h_arrbuf != NULL);
+ duk__set_bufobj_buffer(ctx, h_arrbuf, h_buf);
+ DUK_ASSERT(h_arrbuf->is_typedarray == 0);
+ DUK_ASSERT_HBUFOBJ_VALID(h_arrbuf);
+
+ DUK_ASSERT(h_bufobj->buf_prop == NULL);
+ h_bufobj->buf_prop = (duk_hobject *) h_arrbuf;
+ DUK_ASSERT(h_arrbuf != NULL);
+ DUK_HBUFOBJ_INCREF(thr, h_arrbuf);
+ duk_pop(ctx);
+#endif
+}
-DUK_INTERNAL void duk_hbufferobject_push_validated_read(duk_context *ctx, duk_hbufferobject *h_bufobj, duk_uint8_t *p, duk_small_uint_t elem_size) {
+/* Indexed read helper for buffer objects, also called from outside this file. */
+DUK_INTERNAL void duk_hbufobj_push_validated_read(duk_context *ctx, duk_hbufobj *h_bufobj, duk_uint8_t *p, duk_small_uint_t elem_size) {
duk_double_union du;
DUK_MEMCPY((void *) du.uc, (const void *) p, (size_t) elem_size);
switch (h_bufobj->elem_type) {
- case DUK_HBUFFEROBJECT_ELEM_UINT8:
-#if defined(DUK_USE_BUFFEROBJECT_SUPPORT)
- case DUK_HBUFFEROBJECT_ELEM_UINT8CLAMPED:
-#endif
+ case DUK_HBUFOBJ_ELEM_UINT8:
+ case DUK_HBUFOBJ_ELEM_UINT8CLAMPED:
duk_push_uint(ctx, (duk_uint_t) du.uc[0]);
break;
-#if defined(DUK_USE_BUFFEROBJECT_SUPPORT)
- /* These are not needed when only Duktape.Buffer is supported. */
- case DUK_HBUFFEROBJECT_ELEM_INT8:
+ case DUK_HBUFOBJ_ELEM_INT8:
duk_push_int(ctx, (duk_int_t) (duk_int8_t) du.uc[0]);
break;
- case DUK_HBUFFEROBJECT_ELEM_UINT16:
+ case DUK_HBUFOBJ_ELEM_UINT16:
duk_push_uint(ctx, (duk_uint_t) du.us[0]);
break;
- case DUK_HBUFFEROBJECT_ELEM_INT16:
+ case DUK_HBUFOBJ_ELEM_INT16:
duk_push_int(ctx, (duk_int_t) (duk_int16_t) du.us[0]);
break;
- case DUK_HBUFFEROBJECT_ELEM_UINT32:
+ case DUK_HBUFOBJ_ELEM_UINT32:
duk_push_uint(ctx, (duk_uint_t) du.ui[0]);
break;
- case DUK_HBUFFEROBJECT_ELEM_INT32:
+ case DUK_HBUFOBJ_ELEM_INT32:
duk_push_int(ctx, (duk_int_t) (duk_int32_t) du.ui[0]);
break;
- case DUK_HBUFFEROBJECT_ELEM_FLOAT32:
+ case DUK_HBUFOBJ_ELEM_FLOAT32:
duk_push_number(ctx, (duk_double_t) du.f[0]);
break;
- case DUK_HBUFFEROBJECT_ELEM_FLOAT64:
+ case DUK_HBUFOBJ_ELEM_FLOAT64:
duk_push_number(ctx, (duk_double_t) du.d);
break;
-#endif /* DUK_USE_BUFFEROBJECT_SUPPORT */
default:
DUK_UNREACHABLE();
}
}
-DUK_INTERNAL void duk_hbufferobject_validated_write(duk_context *ctx, duk_hbufferobject *h_bufobj, duk_uint8_t *p, duk_small_uint_t elem_size) {
+/* Indexed write helper for buffer objects, also called from outside this file. */
+DUK_INTERNAL void duk_hbufobj_validated_write(duk_context *ctx, duk_hbufobj *h_bufobj, duk_uint8_t *p, duk_small_uint_t elem_size) {
duk_double_union du;
/* NOTE! Caller must ensure that any side effects from the
@@ -22044,36 +24272,33 @@ DUK_INTERNAL void duk_hbufferobject_validated_write(duk_context *ctx, duk_hbuffe
*/
switch (h_bufobj->elem_type) {
- case DUK_HBUFFEROBJECT_ELEM_UINT8:
+ case DUK_HBUFOBJ_ELEM_UINT8:
du.uc[0] = (duk_uint8_t) duk_to_uint32(ctx, -1);
break;
-#if defined(DUK_USE_BUFFEROBJECT_SUPPORT)
- /* These are not needed when only Duktape.Buffer is supported. */
- case DUK_HBUFFEROBJECT_ELEM_UINT8CLAMPED:
+ case DUK_HBUFOBJ_ELEM_UINT8CLAMPED:
du.uc[0] = (duk_uint8_t) duk_to_uint8clamped(ctx, -1);
break;
- case DUK_HBUFFEROBJECT_ELEM_INT8:
+ case DUK_HBUFOBJ_ELEM_INT8:
du.uc[0] = (duk_uint8_t) duk_to_int32(ctx, -1);
break;
- case DUK_HBUFFEROBJECT_ELEM_UINT16:
+ case DUK_HBUFOBJ_ELEM_UINT16:
du.us[0] = (duk_uint16_t) duk_to_uint32(ctx, -1);
break;
- case DUK_HBUFFEROBJECT_ELEM_INT16:
+ case DUK_HBUFOBJ_ELEM_INT16:
du.us[0] = (duk_uint16_t) duk_to_int32(ctx, -1);
break;
- case DUK_HBUFFEROBJECT_ELEM_UINT32:
+ case DUK_HBUFOBJ_ELEM_UINT32:
du.ui[0] = (duk_uint32_t) duk_to_uint32(ctx, -1);
break;
- case DUK_HBUFFEROBJECT_ELEM_INT32:
+ case DUK_HBUFOBJ_ELEM_INT32:
du.ui[0] = (duk_uint32_t) duk_to_int32(ctx, -1);
break;
- case DUK_HBUFFEROBJECT_ELEM_FLOAT32:
- du.f[0] = (duk_float_t) duk_to_number(ctx, -1);
+ case DUK_HBUFOBJ_ELEM_FLOAT32:
+ du.f[0] = (duk_float_t) duk_to_number_m1(ctx);
break;
- case DUK_HBUFFEROBJECT_ELEM_FLOAT64:
- du.d = (duk_double_t) duk_to_number(ctx, -1);
+ case DUK_HBUFOBJ_ELEM_FLOAT64:
+ du.d = (duk_double_t) duk_to_number_m1(ctx);
break;
-#endif /* DUK_USE_BUFFEROBJECT_SUPPORT */
default:
DUK_UNREACHABLE();
}
@@ -22081,187 +24306,110 @@ DUK_INTERNAL void duk_hbufferobject_validated_write(duk_context *ctx, duk_hbuffe
DUK_MEMCPY((void *) p, (const void *) du.uc, (size_t) elem_size);
}
-/*
- * Duktape.Buffer: constructor
+/* Helper to create a fixed buffer from argument value at index 0.
+ * Node.js and allocPlain() compatible.
*/
-
-DUK_INTERNAL duk_ret_t duk_bi_buffer_constructor(duk_context *ctx) {
- duk_hthread *thr;
+DUK_LOCAL duk_hbuffer *duk__hbufobj_fixed_from_argvalue(duk_context *ctx) {
+ duk_int_t len;
+ duk_int_t i;
duk_size_t buf_size;
- duk_small_int_t buf_dynamic;
- duk_uint8_t *buf_data;
- const duk_uint8_t *src_data;
-
- thr = (duk_hthread *) ctx;
- DUK_UNREF(thr);
-
- /*
- * Constructor arguments are currently somewhat compatible with
- * (keep it that way if possible):
- *
- * http://nodejs.org/api/buffer.html
- *
- * Note that the ToBuffer() coercion (duk_to_buffer()) does NOT match
- * the constructor behavior.
- */
-
- buf_dynamic = duk_get_boolean(ctx, 1); /* default to false */
+ duk_uint8_t *buf;
switch (duk_get_type(ctx, 0)) {
case DUK_TYPE_NUMBER: {
- /* new buffer of specified size */
- buf_size = (duk_size_t) duk_to_int(ctx, 0);
- (void) duk_push_buffer(ctx, buf_size, buf_dynamic);
- break;
- }
- case DUK_TYPE_BUFFER: {
- /* return input buffer, converted to a Duktape.Buffer object
- * if called as a constructor (no change if called as a
- * function).
- */
- duk_set_top(ctx, 1);
+ len = duk_to_int_clamped(ctx, 0, 0, DUK_INT_MAX);
+ (void) duk_push_fixed_buffer_zero(ctx, (duk_size_t) len);
break;
}
- case DUK_TYPE_STRING: {
- /* new buffer with string contents */
- src_data = (const duk_uint8_t *) duk_get_lstring(ctx, 0, &buf_size);
- DUK_ASSERT(src_data != NULL); /* even for zero-length string */
- buf_data = (duk_uint8_t *) duk_push_buffer(ctx, buf_size, buf_dynamic);
- DUK_MEMCPY((void *) buf_data, (const void *) src_data, (size_t) buf_size);
- break;
+ case DUK_TYPE_BUFFER: { /* Treat like Uint8Array. */
+ goto slow_copy;
}
case DUK_TYPE_OBJECT: {
- /* For all duk_hbufferobjects, get the plain buffer inside
- * without making a copy. This is compatible with Duktape 1.2
- * but means that a slice/view information is ignored and the
- * full underlying buffer is returned.
- *
- * If called as a constructor, a new Duktape.Buffer object
- * pointing to the same plain buffer is created below.
+ duk_hobject *h;
+ duk_hbufobj *h_bufobj;
+
+ /* For Node.js Buffers "Passing an ArrayBuffer returns a Buffer
+ * that shares allocated memory with the given ArrayBuffer."
+ * https://nodejs.org/api/buffer.html#buffer_buffer_from_buffer_alloc_and_buffer_allocunsafe
*/
- duk_hbufferobject *h_bufobj;
- h_bufobj = (duk_hbufferobject *) duk_get_hobject(ctx, 0);
- DUK_ASSERT(h_bufobj != NULL);
- if (!DUK_HOBJECT_IS_BUFFEROBJECT((duk_hobject *) h_bufobj)) {
- return DUK_RET_TYPE_ERROR;
- }
- if (h_bufobj->buf == NULL) {
- return DUK_RET_TYPE_ERROR;
+
+ h = duk_known_hobject(ctx, 0);
+ if (DUK_HOBJECT_GET_CLASS_NUMBER(h) == DUK_HOBJECT_CLASS_ARRAYBUFFER) {
+ DUK_ASSERT(DUK_HOBJECT_IS_BUFOBJ(h));
+ h_bufobj = (duk_hbufobj *) h;
+ if (DUK_UNLIKELY(h_bufobj->buf == NULL)) {
+ DUK_ERROR_TYPE_INVALID_ARGS((duk_hthread *) ctx);
+ }
+ if (DUK_UNLIKELY(h_bufobj->offset != 0 || h_bufobj->length != DUK_HBUFFER_GET_SIZE(h_bufobj->buf))) {
+ /* No support for ArrayBuffers with slice
+ * offset/length.
+ */
+ DUK_ERROR_TYPE_INVALID_ARGS((duk_hthread *) ctx);
+ }
+ duk_push_hbuffer(ctx, h_bufobj->buf);
+ return h_bufobj->buf;
}
- duk_push_hbuffer(ctx, h_bufobj->buf);
- break;
+ goto slow_copy;
}
- case DUK_TYPE_NONE:
- default: {
- return DUK_RET_TYPE_ERROR;
+ case DUK_TYPE_STRING: {
+ /* ignore encoding for now */
+ duk_require_hstring_notsymbol(ctx, 0);
+ duk_dup_0(ctx);
+ (void) duk_to_buffer(ctx, -1, &buf_size);
+ break;
}
+ default:
+ DUK_ERROR_TYPE_INVALID_ARGS((duk_hthread *) ctx);
}
- DUK_ASSERT(duk_is_buffer(ctx, -1));
-
- /* stack is unbalanced, but: [ <something> buf ] */
-
- if (duk_is_constructor_call(ctx)) {
- duk_hbufferobject *h_bufobj;
- duk_hbuffer *h_val;
-
- h_val = duk_get_hbuffer(ctx, -1);
- DUK_ASSERT(h_val != NULL);
- h_bufobj = duk_push_bufferobject_raw(ctx,
- DUK_HOBJECT_FLAG_EXTENSIBLE |
- DUK_HOBJECT_FLAG_BUFFEROBJECT |
- DUK_HOBJECT_CLASS_AS_FLAGS(DUK_HOBJECT_CLASS_BUFFER),
- DUK_BIDX_BUFFER_PROTOTYPE);
- DUK_ASSERT(h_bufobj != NULL);
+ done:
+ DUK_ASSERT(duk_is_buffer(ctx, -1));
+ return duk_known_hbuffer(ctx, -1);
- duk__set_bufobj_buffer(ctx, h_bufobj, h_val);
+ slow_copy:
+ /* XXX: fast path for typed arrays and other buffer objects? */
- DUK_ASSERT_HBUFFEROBJECT_VALID(h_bufobj);
+ (void) duk_get_prop_stridx_short(ctx, 0, DUK_STRIDX_LENGTH);
+ len = duk_to_int_clamped(ctx, -1, 0, DUK_INT_MAX);
+ duk_pop(ctx);
+ buf = (duk_uint8_t *) duk_push_fixed_buffer_nozero(ctx, (duk_size_t) len); /* no zeroing, all indices get initialized */
+ for (i = 0; i < len; i++) {
+ /* XXX: fast path for array or buffer arguments? */
+ duk_get_prop_index(ctx, 0, (duk_uarridx_t) i);
+ buf[i] = (duk_uint8_t) (duk_to_uint32(ctx, -1) & 0xffU);
+ duk_pop(ctx);
}
- /* Note: unbalanced stack on purpose */
-
- return 1;
+ goto done;
}
+#endif /* DUK_USE_BUFFEROBJECT_SUPPORT */
/*
- * Node.js Buffer: constructor
+ * Node.js Buffer constructor
+ *
+ * Node.js Buffers are just Uint8Arrays with internal prototype set to
+ * Buffer.prototype so they're handled otherwise the same as Uint8Array.
+ * However, the constructor arguments are very different so a separate
+ * constructor entry point is used.
*/
-
#if defined(DUK_USE_BUFFEROBJECT_SUPPORT)
DUK_INTERNAL duk_ret_t duk_bi_nodejs_buffer_constructor(duk_context *ctx) {
- /* Internal class is Object: Object.prototype.toString.call(new Buffer(0))
- * prints "[object Object]".
- */
- duk_int_t len;
- duk_int_t i;
duk_hbuffer *h_buf;
- duk_hbufferobject *h_bufobj;
- duk_size_t buf_size;
- switch (duk_get_type(ctx, 0)) {
- case DUK_TYPE_BUFFER: {
- /* Custom behavior: plain buffer is used as internal buffer
- * without making a copy (matches Duktape.Buffer).
- */
- duk_set_top(ctx, 1); /* -> [ buffer ] */
- break;
- }
- case DUK_TYPE_NUMBER: {
- len = duk_to_int_clamped(ctx, 0, 0, DUK_INT_MAX);
- (void) duk_push_fixed_buffer(ctx, (duk_size_t) len);
- break;
- }
- case DUK_TYPE_OBJECT: {
- duk_uint8_t *buf;
-
- (void) duk_get_prop_string(ctx, 0, "length");
- len = duk_to_int_clamped(ctx, -1, 0, DUK_INT_MAX);
- duk_pop(ctx);
- buf = (duk_uint8_t *) duk_push_fixed_buffer(ctx, (duk_size_t) len);
- for (i = 0; i < len; i++) {
- /* XXX: fast path for array arguments? */
- duk_get_prop_index(ctx, 0, (duk_uarridx_t) i);
- buf[i] = (duk_uint8_t) (duk_to_uint32(ctx, -1) & 0xffU);
- duk_pop(ctx);
- }
- break;
- }
- case DUK_TYPE_STRING: {
- /* ignore encoding for now */
- duk_dup(ctx, 0);
- (void) duk_to_buffer(ctx, -1, &buf_size);
- break;
- }
- default:
- return DUK_RET_TYPE_ERROR;
- }
-
- DUK_ASSERT(duk_is_buffer(ctx, -1));
- h_buf = duk_get_hbuffer(ctx, -1);
+ h_buf = duk__hbufobj_fixed_from_argvalue(ctx);
DUK_ASSERT(h_buf != NULL);
- h_bufobj = duk_push_bufferobject_raw(ctx,
- DUK_HOBJECT_FLAG_EXTENSIBLE |
- DUK_HOBJECT_FLAG_BUFFEROBJECT |
- DUK_HOBJECT_CLASS_AS_FLAGS(DUK_HOBJECT_CLASS_BUFFER),
- DUK_BIDX_NODEJS_BUFFER_PROTOTYPE);
- DUK_ASSERT(h_bufobj != NULL);
-
- h_bufobj->buf = h_buf;
- DUK_HBUFFER_INCREF(thr, h_buf);
- DUK_ASSERT(h_bufobj->offset == 0);
- h_bufobj->length = (duk_int_t) DUK_HBUFFER_GET_SIZE(h_buf);
- DUK_ASSERT(h_bufobj->elem_type == DUK_HBUFFEROBJECT_ELEM_UINT8);
+ duk_push_buffer_object(ctx,
+ -1,
+ 0,
+ DUK_HBUFFER_FIXED_GET_SIZE((duk_hbuffer_fixed *) h_buf),
+ DUK_BUFOBJ_UINT8ARRAY);
+ duk_push_hobject_bidx(ctx, DUK_BIDX_NODEJS_BUFFER_PROTOTYPE);
+ duk_set_prototype(ctx, -2);
- DUK_ASSERT_HBUFFEROBJECT_VALID(h_bufobj);
+ /* XXX: a more direct implementation */
return 1;
}
-#else /* DUK_USE_BUFFEROBJECT_SUPPORT */
-DUK_INTERNAL duk_ret_t duk_bi_nodejs_buffer_constructor(duk_context *ctx) {
- DUK_UNREF(ctx);
- return DUK_RET_UNSUPPORTED_ERROR;
-}
#endif /* DUK_USE_BUFFEROBJECT_SUPPORT */
/*
@@ -22271,72 +24419,46 @@ DUK_INTERNAL duk_ret_t duk_bi_nodejs_buffer_constructor(duk_context *ctx) {
#if defined(DUK_USE_BUFFEROBJECT_SUPPORT)
DUK_INTERNAL duk_ret_t duk_bi_arraybuffer_constructor(duk_context *ctx) {
duk_hthread *thr;
- duk_hbufferobject *h_bufobj;
+ duk_hbufobj *h_bufobj;
duk_hbuffer *h_val;
+ duk_int_t len;
DUK_ASSERT_CTX_VALID(ctx);
thr = (duk_hthread *) ctx;
DUK_UNREF(thr);
- /* XXX: function flag to make this automatic? */
- if (!duk_is_constructor_call(ctx)) {
- return DUK_RET_TYPE_ERROR;
- }
-
- if (duk_is_buffer(ctx, 0)) {
- /* Custom behavior: plain buffer is used as internal buffer
- * without making a copy (matches Duktape.Buffer).
- */
-
- h_val = duk_get_hbuffer(ctx, 0);
- DUK_ASSERT(h_val != NULL);
-
- /* XXX: accept any duk_hbufferobject type as an input also? */
- } else {
- duk_int_t len;
- len = duk_to_int(ctx, 0);
- if (len < 0) {
- goto fail_length;
- }
- (void) duk_push_fixed_buffer(ctx, (duk_size_t) len);
- h_val = (duk_hbuffer *) duk_get_hbuffer(ctx, -1);
- DUK_ASSERT(h_val != NULL);
+ duk_require_constructor_call(ctx);
-#if !defined(DUK_USE_ZERO_BUFFER_DATA)
- /* Khronos/ES6 requires zeroing even when DUK_USE_ZERO_BUFFER_DATA
- * is not set.
- */
- DUK_ASSERT(!DUK_HBUFFER_HAS_DYNAMIC((duk_hbuffer *) h_val));
- DUK_MEMZERO((void *) DUK_HBUFFER_FIXED_GET_DATA_PTR(thr->heap, h_val), (duk_size_t) len);
-#endif
+ len = duk_to_int(ctx, 0);
+ if (len < 0) {
+ goto fail_length;
}
+ (void) duk_push_fixed_buffer_zero(ctx, (duk_size_t) len);
+ h_val = (duk_hbuffer *) duk_known_hbuffer(ctx, -1);
- h_bufobj = duk_push_bufferobject_raw(ctx,
- DUK_HOBJECT_FLAG_EXTENSIBLE |
- DUK_HOBJECT_FLAG_BUFFEROBJECT |
- DUK_HOBJECT_CLASS_AS_FLAGS(DUK_HOBJECT_CLASS_ARRAYBUFFER),
- DUK_BIDX_ARRAYBUFFER_PROTOTYPE);
+ h_bufobj = duk_push_bufobj_raw(ctx,
+ DUK_HOBJECT_FLAG_EXTENSIBLE |
+ DUK_HOBJECT_FLAG_BUFOBJ |
+ DUK_HOBJECT_CLASS_AS_FLAGS(DUK_HOBJECT_CLASS_ARRAYBUFFER),
+ DUK_BIDX_ARRAYBUFFER_PROTOTYPE);
DUK_ASSERT(h_bufobj != NULL);
duk__set_bufobj_buffer(ctx, h_bufobj, h_val);
- DUK_ASSERT_HBUFFEROBJECT_VALID(h_bufobj);
+ DUK_ASSERT_HBUFOBJ_VALID(h_bufobj);
return 1;
fail_length:
- return DUK_RET_RANGE_ERROR;
-}
-#else /* DUK_USE_BUFFEROBJECT_SUPPORT */
-DUK_INTERNAL duk_ret_t duk_bi_arraybuffer_constructor(duk_context *ctx) {
- DUK_UNREF(ctx);
- return DUK_RET_UNSUPPORTED_ERROR;
+ DUK_DCERROR_RANGE_INVALID_LENGTH(thr);
}
#endif /* DUK_USE_BUFFEROBJECT_SUPPORT */
/* Format of magic, bits:
* 0...1: elem size shift (0-3)
- * 2...5: elem type (DUK_HBUFFEROBJECT_ELEM_xxx)
+ * 2...5: elem type (DUK_HBUFOBJ_ELEM_xxx)
+ *
+ * XXX: add prototype bidx explicitly to magic instead of using a mapping?
*/
#if defined(DUK_USE_BUFFEROBJECT_SUPPORT)
@@ -22344,9 +24466,9 @@ DUK_INTERNAL duk_ret_t duk_bi_typedarray_constructor(duk_context *ctx) {
duk_hthread *thr;
duk_tval *tv;
duk_hobject *h_obj;
- duk_hbufferobject *h_bufobj = NULL;
- duk_hbufferobject *h_bufarr = NULL;
- duk_hbufferobject *h_bufarg = NULL;
+ duk_hbufobj *h_bufobj = NULL;
+ duk_hbufobj *h_bufarr = NULL;
+ duk_hbufobj *h_bufarg = NULL;
duk_hbuffer *h_val;
duk_small_uint_t magic;
duk_small_uint_t shift;
@@ -22363,10 +24485,11 @@ DUK_INTERNAL duk_ret_t duk_bi_typedarray_constructor(duk_context *ctx) {
thr = (duk_hthread *) ctx;
DUK_UNREF(thr);
- /* XXX: function flag to make this automatic? */
- if (!duk_is_constructor_call(ctx)) {
- return DUK_RET_TYPE_ERROR;
- }
+ /* XXX: The same copy helpers could be shared with at least some
+ * buffer functions.
+ */
+
+ duk_require_constructor_call(ctx);
/* We could fit built-in index into magic but that'd make the magic
* number dependent on built-in numbering (genbuiltins.py doesn't
@@ -22394,6 +24517,12 @@ DUK_INTERNAL duk_ret_t duk_bi_typedarray_constructor(duk_context *ctx) {
* created.
*/
+ /* XXX: initial iteration to treat a plain buffer like an ArrayBuffer:
+ * coerce to an ArrayBuffer object and use that as .buffer. The underlying
+ * buffer will be the same but result .buffer !== inputPlainBuffer.
+ */
+ duk_hbufobj_promote_plain(ctx, 0);
+
tv = duk_get_tval(ctx, 0);
DUK_ASSERT(tv != NULL); /* arg count */
if (DUK_TVAL_IS_OBJECT(tv)) {
@@ -22408,7 +24537,7 @@ DUK_INTERNAL duk_ret_t duk_bi_typedarray_constructor(duk_context *ctx) {
duk_int_t byte_offset_signed;
duk_uint_t byte_offset;
- h_bufarg = (duk_hbufferobject *) h_obj;
+ h_bufarg = (duk_hbufobj *) h_obj;
byte_offset_signed = duk_to_int(ctx, 1);
if (byte_offset_signed < 0) {
@@ -22455,14 +24584,14 @@ DUK_INTERNAL duk_ret_t duk_bi_typedarray_constructor(duk_context *ctx) {
DUK_ASSERT(byte_offset + byte_length <= h_bufarg->length);
DUK_ASSERT((elem_length << shift) == byte_length);
- h_bufobj = duk_push_bufferobject_raw(ctx,
- DUK_HOBJECT_FLAG_EXTENSIBLE |
- DUK_HOBJECT_FLAG_BUFFEROBJECT |
- DUK_HOBJECT_CLASS_AS_FLAGS(class_num),
- proto_bidx);
+ h_bufobj = duk_push_bufobj_raw(ctx,
+ DUK_HOBJECT_FLAG_EXTENSIBLE |
+ DUK_HOBJECT_FLAG_BUFOBJ |
+ DUK_HOBJECT_CLASS_AS_FLAGS(class_num),
+ proto_bidx);
h_val = h_bufarg->buf;
if (h_val == NULL) {
- return DUK_RET_TYPE_ERROR;
+ DUK_DCERROR_TYPE_INVALID_ARGS(thr);
}
h_bufobj->buf = h_val;
DUK_HBUFFER_INCREF(thr, h_val);
@@ -22470,25 +24599,26 @@ DUK_INTERNAL duk_ret_t duk_bi_typedarray_constructor(duk_context *ctx) {
h_bufobj->length = byte_length;
h_bufobj->shift = (duk_uint8_t) shift;
h_bufobj->elem_type = (duk_uint8_t) elem_type;
- h_bufobj->is_view = 1;
- DUK_ASSERT_HBUFFEROBJECT_VALID(h_bufobj);
+ h_bufobj->is_typedarray = 1;
+ DUK_ASSERT_HBUFOBJ_VALID(h_bufobj);
/* Set .buffer to the argument ArrayBuffer. */
- duk_dup(ctx, 0);
- duk_xdef_prop_stridx(ctx, -2, DUK_STRIDX_LC_BUFFER, DUK_PROPDESC_FLAGS_NONE);
- duk_compact(ctx, -1);
+ DUK_ASSERT(h_bufobj->buf_prop == NULL);
+ h_bufobj->buf_prop = (duk_hobject *) h_bufarg;
+ DUK_ASSERT(h_bufarg != NULL);
+ DUK_HBUFOBJ_INCREF(thr, h_bufarg);
return 1;
- } else if (DUK_HOBJECT_IS_BUFFEROBJECT(h_obj)) {
- /* TypedArray (or other non-ArrayBuffer duk_hbufferobject).
+ } else if (DUK_HOBJECT_IS_BUFOBJ(h_obj)) {
+ /* TypedArray (or other non-ArrayBuffer duk_hbufobj).
* Conceptually same behavior as for an Array-like argument,
* with a few fast paths.
*/
- h_bufarg = (duk_hbufferobject *) h_obj;
- DUK_ASSERT_HBUFFEROBJECT_VALID(h_bufarg);
+ h_bufarg = (duk_hbufobj *) h_obj;
+ DUK_ASSERT_HBUFOBJ_VALID(h_bufarg);
elem_length_signed = (duk_int_t) (h_bufarg->length >> h_bufarg->shift);
if (h_bufarg->buf == NULL) {
- return DUK_RET_TYPE_ERROR;
+ DUK_DCERROR_TYPE_INVALID_ARGS(thr);
}
/* Select copy mode. Must take into account element
@@ -22505,8 +24635,12 @@ DUK_INTERNAL duk_ret_t duk_bi_typedarray_constructor(duk_context *ctx) {
(long) (elem_length_signed << shift)));
copy_mode = 2; /* default is explicit index read/write copy */
+#if !defined(DUK_USE_PREFER_SIZE)
+ /* With a size optimized build copy_mode 2 is enough.
+ * Modes 0 and 1 are faster but conceptually the same.
+ */
DUK_ASSERT(elem_type < sizeof(duk__buffer_elemtype_copy_compatible) / sizeof(duk_uint16_t));
- if (DUK_HBUFFEROBJECT_VALID_SLICE(h_bufarg)) {
+ if (DUK_HBUFOBJ_VALID_SLICE(h_bufarg)) {
if ((duk__buffer_elemtype_copy_compatible[elem_type] & (1 << h_bufarg->elem_type)) != 0) {
DUK_DDD(DUK_DDDPRINT("source/target are copy compatible, memcpy"));
DUK_ASSERT(shift == h_bufarg->shift); /* byte sizes will match */
@@ -22516,19 +24650,12 @@ DUK_INTERNAL duk_ret_t duk_bi_typedarray_constructor(duk_context *ctx) {
copy_mode = 1;
}
}
+#endif /* !DUK_USE_PREFER_SIZE */
} else {
/* Array or Array-like */
elem_length_signed = (duk_int_t) duk_get_length(ctx, 0);
copy_mode = 2;
}
- } else if (DUK_TVAL_IS_BUFFER(tv)) {
- /* Accept plain buffer values like array initializers
- * (new in Duktape 1.4.0).
- */
- duk_hbuffer *h_srcbuf;
- h_srcbuf = DUK_TVAL_GET_BUFFER(tv);
- elem_length_signed = (duk_int_t) DUK_HBUFFER_GET_SIZE(h_srcbuf);
- copy_mode = 2; /* XXX: could add fast path for u8 compatible views */
} else {
/* Non-object argument is simply int coerced, matches
* V8 behavior (except for "null", which we coerce to
@@ -22562,11 +24689,11 @@ DUK_INTERNAL duk_ret_t duk_bi_typedarray_constructor(duk_context *ctx) {
DUK_ASSERT(h_val != NULL);
/* Push the resulting view object and attach the ArrayBuffer. */
- h_bufobj = duk_push_bufferobject_raw(ctx,
- DUK_HOBJECT_FLAG_EXTENSIBLE |
- DUK_HOBJECT_FLAG_BUFFEROBJECT |
- DUK_HOBJECT_CLASS_AS_FLAGS(class_num),
- proto_bidx);
+ h_bufobj = duk_push_bufobj_raw(ctx,
+ DUK_HOBJECT_FLAG_EXTENSIBLE |
+ DUK_HOBJECT_FLAG_BUFOBJ |
+ DUK_HOBJECT_CLASS_AS_FLAGS(class_num),
+ proto_bidx);
h_bufobj->buf = h_val;
DUK_HBUFFER_INCREF(thr, h_val);
@@ -22574,13 +24701,14 @@ DUK_INTERNAL duk_ret_t duk_bi_typedarray_constructor(duk_context *ctx) {
h_bufobj->length = byte_length;
h_bufobj->shift = (duk_uint8_t) shift;
h_bufobj->elem_type = (duk_uint8_t) elem_type;
- h_bufobj->is_view = 1;
- DUK_ASSERT_HBUFFEROBJECT_VALID(h_bufobj);
+ h_bufobj->is_typedarray = 1;
+ DUK_ASSERT_HBUFOBJ_VALID(h_bufobj);
/* Set .buffer */
- duk_dup(ctx, -2);
- duk_xdef_prop_stridx(ctx, -2, DUK_STRIDX_LC_BUFFER, DUK_PROPDESC_FLAGS_NONE);
- duk_compact(ctx, -1);
+ DUK_ASSERT(h_bufobj->buf_prop == NULL);
+ h_bufobj->buf_prop = (duk_hobject *) h_bufarr;
+ DUK_ASSERT(h_bufarr != NULL);
+ DUK_HBUFOBJ_INCREF(thr, h_bufarr);
/* Copy values, the copy method depends on the arguments.
*
@@ -22590,6 +24718,10 @@ DUK_INTERNAL duk_ret_t duk_bi_typedarray_constructor(duk_context *ctx) {
*/
DUK_DDD(DUK_DDDPRINT("copy mode: %d", (int) copy_mode));
switch (copy_mode) {
+ /* Copy modes 0 and 1 can be omitted in size optimized build,
+ * copy mode 2 handles them (but more slowly).
+ */
+#if !defined(DUK_USE_PREFER_SIZE)
case 0: {
/* Use byte copy. */
@@ -22598,13 +24730,13 @@ DUK_INTERNAL duk_ret_t duk_bi_typedarray_constructor(duk_context *ctx) {
DUK_ASSERT(h_bufobj != NULL);
DUK_ASSERT(h_bufobj->buf != NULL);
- DUK_ASSERT(DUK_HBUFFEROBJECT_VALID_SLICE(h_bufobj));
+ DUK_ASSERT(DUK_HBUFOBJ_VALID_SLICE(h_bufobj));
DUK_ASSERT(h_bufarg != NULL);
DUK_ASSERT(h_bufarg->buf != NULL);
- DUK_ASSERT(DUK_HBUFFEROBJECT_VALID_SLICE(h_bufarg));
+ DUK_ASSERT(DUK_HBUFOBJ_VALID_SLICE(h_bufarg));
- p_dst = DUK_HBUFFEROBJECT_GET_SLICE_BASE(thr->heap, h_bufobj);
- p_src = DUK_HBUFFEROBJECT_GET_SLICE_BASE(thr->heap, h_bufarg);
+ p_dst = DUK_HBUFOBJ_GET_SLICE_BASE(thr->heap, h_bufobj);
+ p_src = DUK_HBUFOBJ_GET_SLICE_BASE(thr->heap, h_bufarg);
DUK_DDD(DUK_DDDPRINT("using memcpy: p_src=%p, p_dst=%p, byte_length=%ld",
(void *) p_src, (void *) p_dst, (long) byte_length));
@@ -22623,16 +24755,16 @@ DUK_INTERNAL duk_ret_t duk_bi_typedarray_constructor(duk_context *ctx) {
DUK_ASSERT(h_bufobj != NULL);
DUK_ASSERT(h_bufobj->buf != NULL);
- DUK_ASSERT(DUK_HBUFFEROBJECT_VALID_SLICE(h_bufobj));
+ DUK_ASSERT(DUK_HBUFOBJ_VALID_SLICE(h_bufobj));
DUK_ASSERT(h_bufarg != NULL);
DUK_ASSERT(h_bufarg->buf != NULL);
- DUK_ASSERT(DUK_HBUFFEROBJECT_VALID_SLICE(h_bufarg));
+ DUK_ASSERT(DUK_HBUFOBJ_VALID_SLICE(h_bufarg));
src_elem_size = 1 << h_bufarg->shift;
dst_elem_size = elem_size;
- p_src = DUK_HBUFFEROBJECT_GET_SLICE_BASE(thr->heap, h_bufarg);
- p_dst = DUK_HBUFFEROBJECT_GET_SLICE_BASE(thr->heap, h_bufobj);
+ p_src = DUK_HBUFOBJ_GET_SLICE_BASE(thr->heap, h_bufarg);
+ p_dst = DUK_HBUFOBJ_GET_SLICE_BASE(thr->heap, h_bufobj);
p_src_end = p_src + h_bufarg->length;
DUK_DDD(DUK_DDDPRINT("using fast copy: p_src=%p, p_src_end=%p, p_dst=%p, "
@@ -22647,14 +24779,15 @@ DUK_INTERNAL duk_ret_t duk_bi_typedarray_constructor(duk_context *ctx) {
/* A validated read() is always a number, so it's write coercion
* is always side effect free an won't invalidate pointers etc.
*/
- duk_hbufferobject_push_validated_read(ctx, h_bufarg, p_src, src_elem_size);
- duk_hbufferobject_validated_write(ctx, h_bufobj, p_dst, dst_elem_size);
+ duk_hbufobj_push_validated_read(ctx, h_bufarg, p_src, src_elem_size);
+ duk_hbufobj_validated_write(ctx, h_bufobj, p_dst, dst_elem_size);
duk_pop(ctx);
p_src += src_elem_size;
p_dst += dst_elem_size;
}
break;
}
+#endif /* !DUK_USE_PREFER_SIZE */
case 2: {
/* Copy values by index reads and writes. Let virtual
* property handling take care of coercion.
@@ -22675,13 +24808,6 @@ DUK_INTERNAL duk_ret_t duk_bi_typedarray_constructor(duk_context *ctx) {
* ambiguity with Float32/Float64 because zero bytes also
* represent 0.0.
*/
-#if !defined(DUK_USE_ZERO_BUFFER_DATA)
- /* Khronos/ES6 requires zeroing even when DUK_USE_ZERO_BUFFER_DATA
- * is not set.
- */
- DUK_ASSERT(!DUK_HBUFFER_HAS_DYNAMIC((duk_hbuffer *) h_val));
- DUK_MEMZERO((void *) DUK_HBUFFER_FIXED_GET_DATA_PTR(thr->heap, h_val), (duk_size_t) byte_length);
-#endif
DUK_DDD(DUK_DDDPRINT("using no copy"));
break;
@@ -22691,76 +24817,84 @@ DUK_INTERNAL duk_ret_t duk_bi_typedarray_constructor(duk_context *ctx) {
return 1;
fail_arguments:
- return DUK_RET_RANGE_ERROR;
+ DUK_DCERROR_RANGE_INVALID_ARGS(thr);
}
#else /* DUK_USE_BUFFEROBJECT_SUPPORT */
+/* When bufferobject support is disabled, new Uint8Array() could still be
+ * supported to create a plain fixed buffer. Disabled for now.
+ */
+#if 0
DUK_INTERNAL duk_ret_t duk_bi_typedarray_constructor(duk_context *ctx) {
- DUK_UNREF(ctx);
- return DUK_RET_UNSUPPORTED_ERROR;
+ duk_int_t elem_length_signed;
+ duk_uint_t byte_length;
+
+ /* XXX: The same copy helpers could be shared with at least some
+ * buffer functions.
+ */
+
+ duk_require_constructor_call(ctx);
+
+ elem_length_signed = duk_require_int(ctx, 0);
+ if (elem_length_signed < 0) {
+ goto fail_arguments;
+ }
+ byte_length = (duk_uint_t) elem_length_signed;
+
+ (void) duk_push_fixed_buffer_zero(ctx, (duk_size_t) byte_length);
+ return 1;
+
+ fail_arguments:
+ DUK_DCERROR_RANGE_INVALID_ARGS((duk_hthread *) ctx);
}
+#endif /* 0 */
#endif /* DUK_USE_BUFFEROBJECT_SUPPORT */
#if defined(DUK_USE_BUFFEROBJECT_SUPPORT)
DUK_INTERNAL duk_ret_t duk_bi_dataview_constructor(duk_context *ctx) {
- duk_hbufferobject *h_bufarg;
- duk_hbufferobject *h_bufobj;
+ duk_hbufobj *h_bufarg;
+ duk_hbufobj *h_bufobj;
duk_hbuffer *h_val;
duk_uint_t offset;
duk_uint_t length;
- /* XXX: function flag to make this automatic? */
- if (!duk_is_constructor_call(ctx)) {
- return DUK_RET_TYPE_ERROR;
- }
+ duk_require_constructor_call(ctx);
h_bufarg = duk__require_bufobj_value(ctx, 0);
DUK_ASSERT(h_bufarg != NULL);
+ if (DUK_HOBJECT_GET_CLASS_NUMBER((duk_hobject *) h_bufarg) != DUK_HOBJECT_CLASS_ARRAYBUFFER) {
+ DUK_DCERROR_TYPE_INVALID_ARGS((duk_hthread *) ctx);
+ }
duk__resolve_offset_opt_length(ctx, h_bufarg, 1, 2, &offset, &length, 1 /*throw_flag*/);
DUK_ASSERT(offset <= h_bufarg->length);
DUK_ASSERT(offset + length <= h_bufarg->length);
- h_bufobj = duk_push_bufferobject_raw(ctx,
- DUK_HOBJECT_FLAG_EXTENSIBLE |
- DUK_HOBJECT_FLAG_BUFFEROBJECT |
- DUK_HOBJECT_CLASS_AS_FLAGS(DUK_HOBJECT_CLASS_DATAVIEW),
- DUK_BIDX_DATAVIEW_PROTOTYPE);
+ h_bufobj = duk_push_bufobj_raw(ctx,
+ DUK_HOBJECT_FLAG_EXTENSIBLE |
+ DUK_HOBJECT_FLAG_BUFOBJ |
+ DUK_HOBJECT_CLASS_AS_FLAGS(DUK_HOBJECT_CLASS_DATAVIEW),
+ DUK_BIDX_DATAVIEW_PROTOTYPE);
h_val = h_bufarg->buf;
if (h_val == NULL) {
- return DUK_RET_TYPE_ERROR;
+ DUK_DCERROR_TYPE_INVALID_ARGS((duk_hthread *) ctx);
}
h_bufobj->buf = h_val;
DUK_HBUFFER_INCREF(thr, h_val);
h_bufobj->offset = h_bufarg->offset + offset;
h_bufobj->length = length;
DUK_ASSERT(h_bufobj->shift == 0);
- DUK_ASSERT(h_bufobj->elem_type == DUK_HBUFFEROBJECT_ELEM_UINT8);
- h_bufobj->is_view = 1;
-
- /* The DataView .buffer property is ordinarily set to the argument
- * which is an ArrayBuffer. We accept any duk_hbufferobject as
- * an argument and .buffer will be set to the argument regardless
- * of what it is. This may be a bit confusing if the argument
- * is e.g. a DataView or another TypedArray view.
- *
- * XXX: Copy .buffer property from a DataView/TypedArray argument?
- * Create a fresh ArrayBuffer for Duktape.Buffer and Node.js Buffer
- * arguments? See: test-bug-dataview-buffer-prop.js.
- */
+ DUK_ASSERT(h_bufobj->elem_type == DUK_HBUFOBJ_ELEM_UINT8);
+ DUK_ASSERT(h_bufobj->is_typedarray == 0);
- duk_dup(ctx, 0);
- duk_xdef_prop_stridx(ctx, -2, DUK_STRIDX_LC_BUFFER, DUK_PROPDESC_FLAGS_NONE);
- duk_compact(ctx, -1);
+ DUK_ASSERT(h_bufobj->buf_prop == NULL);
+ h_bufobj->buf_prop = (duk_hobject *) h_bufarg;
+ DUK_ASSERT(h_bufarg != NULL);
+ DUK_HBUFOBJ_INCREF((duk_hthread *) ctx, h_bufarg);
- DUK_ASSERT_HBUFFEROBJECT_VALID(h_bufobj);
+ DUK_ASSERT_HBUFOBJ_VALID(h_bufobj);
return 1;
}
-#else /* DUK_USE_BUFFEROBJECT_SUPPORT */
-DUK_INTERNAL duk_ret_t duk_bi_dataview_constructor(duk_context *ctx) {
- DUK_UNREF(ctx);
- return DUK_RET_UNSUPPORTED_ERROR;
-}
#endif /* DUK_USE_BUFFEROBJECT_SUPPORT */
/*
@@ -22772,17 +24906,60 @@ DUK_INTERNAL duk_ret_t duk_bi_arraybuffer_isview(duk_context *ctx) {
duk_hobject *h_obj;
duk_bool_t ret = 0;
- h_obj = duk_get_hobject(ctx, 0);
- if (h_obj != NULL && DUK_HOBJECT_IS_BUFFEROBJECT(h_obj)) {
- ret = ((duk_hbufferobject *) h_obj)->is_view;
+ if (duk_is_buffer(ctx, 0)) {
+ ret = 1;
+ } else {
+ h_obj = duk_get_hobject(ctx, 0);
+ if (h_obj != NULL && DUK_HOBJECT_IS_BUFOBJ(h_obj)) {
+ /* DataView needs special casing: ArrayBuffer.isView() is
+ * true, but ->is_typedarray is 0.
+ */
+ ret = ((duk_hbufobj *) h_obj)->is_typedarray ||
+ (DUK_HOBJECT_GET_CLASS_NUMBER(h_obj) == DUK_HOBJECT_CLASS_DATAVIEW);
+ }
}
duk_push_boolean(ctx, ret);
return 1;
}
-#else /* DUK_USE_BUFFEROBJECT_SUPPORT */
-DUK_INTERNAL duk_ret_t duk_bi_arraybuffer_isview(duk_context *ctx) {
- DUK_UNREF(ctx);
- return DUK_RET_UNSUPPORTED_ERROR;
+#endif /* DUK_USE_BUFFEROBJECT_SUPPORT */
+
+/*
+ * Uint8Array.allocPlain()
+ */
+
+#if defined(DUK_USE_BUFFEROBJECT_SUPPORT)
+DUK_INTERNAL duk_ret_t duk_bi_uint8array_allocplain(duk_context *ctx) {
+ duk__hbufobj_fixed_from_argvalue(ctx);
+ return 1;
+}
+#endif /* DUK_USE_BUFFEROBJECT_SUPPORT */
+
+/*
+ * Uint8Array.plainOf()
+ */
+
+#if defined(DUK_USE_BUFFEROBJECT_SUPPORT)
+DUK_INTERNAL duk_ret_t duk_bi_uint8array_plainof(duk_context *ctx) {
+ duk_hbufobj *h_bufobj;
+
+#if !defined(DUK_USE_PREFER_SIZE)
+ /* Avoid churn if argument is already a plain buffer. */
+ if (duk_is_buffer(ctx, 0)) {
+ return 1;
+ }
+#endif
+
+ /* Promotes plain buffers to ArrayBuffers, so for a plain buffer
+ * argument we'll create a pointless temporary (but still work
+ * correctly).
+ */
+ h_bufobj = duk__require_bufobj_value(ctx, 0);
+ if (h_bufobj->buf == NULL) {
+ duk_push_undefined(ctx);
+ } else {
+ duk_push_hbuffer(ctx, h_bufobj->buf);
+ }
+ return 1;
}
#endif /* DUK_USE_BUFFEROBJECT_SUPPORT */
@@ -22793,7 +24970,7 @@ DUK_INTERNAL duk_ret_t duk_bi_arraybuffer_isview(duk_context *ctx) {
#if defined(DUK_USE_BUFFEROBJECT_SUPPORT)
DUK_INTERNAL duk_ret_t duk_bi_nodejs_buffer_tostring(duk_context *ctx) {
duk_hthread *thr;
- duk_hbufferobject *h_this;
+ duk_hbufobj *h_this;
duk_int_t start_offset, end_offset;
duk_uint8_t *buf_slice;
duk_size_t slice_length;
@@ -22807,100 +24984,45 @@ DUK_INTERNAL duk_ret_t duk_bi_nodejs_buffer_tostring(duk_context *ctx) {
duk_push_string(ctx, "[object Object]");
return 1;
}
- DUK_ASSERT_HBUFFEROBJECT_VALID(h_this);
+ DUK_ASSERT_HBUFOBJ_VALID(h_this);
- /* ignore encoding for now */
+ /* Ignore encoding for now. */
- duk__clamp_startend_nonegidx_noshift(ctx, h_this, 1 /*idx_start*/, 2 /*idx_end*/, &start_offset, &end_offset);
+ duk__clamp_startend_nonegidx_noshift(ctx,
+ (duk_int_t) h_this->length,
+ 1 /*idx_start*/,
+ 2 /*idx_end*/,
+ &start_offset,
+ &end_offset);
slice_length = (duk_size_t) (end_offset - start_offset);
- buf_slice = (duk_uint8_t *) duk_push_fixed_buffer(ctx, slice_length);
+ buf_slice = (duk_uint8_t *) duk_push_fixed_buffer_nozero(ctx, slice_length); /* all bytes initialized below */
DUK_ASSERT(buf_slice != NULL);
- if (h_this->buf == NULL) {
- goto type_error;
+ /* Neutered or uncovered, TypeError. */
+ if (h_this->buf == NULL ||
+ !DUK_HBUFOBJ_VALID_BYTEOFFSET_EXCL(h_this, start_offset + slice_length)) {
+ DUK_DCERROR_TYPE_INVALID_ARGS(thr);
}
- if (DUK_HBUFFEROBJECT_VALID_BYTEOFFSET_EXCL(h_this, start_offset + slice_length)) {
- DUK_MEMCPY((void *) buf_slice,
- (const void *) (DUK_HBUFFEROBJECT_GET_SLICE_BASE(thr->heap, h_this) + start_offset),
- (size_t) slice_length);
- } else {
- /* not covered, return all zeroes */
- ;
- }
-
- duk_to_string(ctx, -1);
- return 1;
-
- type_error:
- return DUK_RET_TYPE_ERROR;
-}
-#else /* DUK_USE_BUFFEROBJECT_SUPPORT */
-DUK_INTERNAL duk_ret_t duk_bi_nodejs_buffer_tostring(duk_context *ctx) {
- DUK_UNREF(ctx);
- return DUK_RET_UNSUPPORTED_ERROR;
-}
-#endif /* DUK_USE_BUFFEROBJECT_SUPPORT */
-
-/*
- * Duktape.Buffer: toString(), valueOf()
- */
-
-#if defined(DUK_USE_BUFFEROBJECT_SUPPORT)
-DUK_INTERNAL duk_ret_t duk_bi_buffer_prototype_tostring_shared(duk_context *ctx) {
- duk_hthread *thr;
- duk_tval *tv;
- duk_small_int_t to_string = duk_get_current_magic(ctx);
-
- thr = (duk_hthread *) ctx;
- DUK_UNREF(thr);
-
- tv = duk_get_borrowed_this_tval(ctx);
- DUK_ASSERT(tv != NULL);
-
- if (DUK_TVAL_IS_BUFFER(tv)) {
- duk_hbuffer *h_buf;
- h_buf = DUK_TVAL_GET_BUFFER(tv);
- DUK_ASSERT(h_buf != NULL);
- duk_push_hbuffer(ctx, h_buf);
- } else if (DUK_TVAL_IS_OBJECT(tv)) {
- duk_hobject *h;
- duk_hbufferobject *h_bufobj;
-
- /* Accept any duk_hbufferobject, though we're only normally
- * called for Duktape.Buffer values.
- */
- h = DUK_TVAL_GET_OBJECT(tv);
- DUK_ASSERT(h != NULL);
- if (!DUK_HOBJECT_IS_BUFFEROBJECT(h)) {
- DUK_DD(DUK_DDPRINT("toString/valueOf() called for a non-bufferobject object"));
- goto type_error;
- }
- h_bufobj = (duk_hbufferobject *) h;
- DUK_ASSERT_HBUFFEROBJECT_VALID(h_bufobj);
-
- if (h_bufobj->buf == NULL) {
- DUK_DD(DUK_DDPRINT("toString/valueOf() called for a bufferobject with NULL buf"));
- goto type_error;
- }
- duk_push_hbuffer(ctx, h_bufobj->buf);
- } else {
- goto type_error;
- }
+ /* XXX: ideally we wouldn't make a copy but a view into the buffer for the
+ * decoding process. Or the decoding helper could be changed to accept
+ * the slice info (a buffer pointer is NOT a good approach because guaranteeing
+ * its stability is difficult).
+ */
- if (to_string) {
- duk_to_string(ctx, -1);
- }
- return 1;
+ DUK_ASSERT(DUK_HBUFOBJ_VALID_BYTEOFFSET_EXCL(h_this, start_offset + slice_length));
+ DUK_MEMCPY((void *) buf_slice,
+ (const void *) (DUK_HBUFOBJ_GET_SLICE_BASE(thr->heap, h_this) + start_offset),
+ (size_t) slice_length);
- type_error:
- return DUK_RET_TYPE_ERROR;
-}
-#else /* DUK_USE_BUFFEROBJECT_SUPPORT */
-DUK_INTERNAL duk_ret_t duk_bi_buffer_prototype_tostring_shared(duk_context *ctx) {
- DUK_UNREF(ctx);
- return DUK_RET_UNSUPPORTED_ERROR;
+ /* Use the equivalent of: new TextEncoder().encode(this) to convert the
+ * string. Result will be valid UTF-8; non-CESU-8 inputs are currently
+ * interpreted loosely. Value stack convention is a bit odd for now.
+ */
+ duk_replace(ctx, 0);
+ duk_set_top(ctx, 1);
+ return duk_textdecoder_decode_utf8_nodejs(ctx);
}
#endif /* DUK_USE_BUFFEROBJECT_SUPPORT */
@@ -22911,16 +25033,19 @@ DUK_INTERNAL duk_ret_t duk_bi_buffer_prototype_tostring_shared(duk_context *ctx)
#if defined(DUK_USE_BUFFEROBJECT_SUPPORT)
DUK_INTERNAL duk_ret_t duk_bi_nodejs_buffer_tojson(duk_context *ctx) {
duk_hthread *thr;
- duk_hbufferobject *h_this;
+ duk_hbufobj *h_this;
+ duk_harray *h_arr;
duk_uint8_t *buf;
- duk_uint_t i;
+ duk_uint_t i, n;
+ duk_tval *tv;
thr = (duk_hthread *) ctx;
DUK_UNREF(thr);
+
h_this = duk__require_bufobj_this(ctx);
DUK_ASSERT(h_this != NULL);
- if (h_this->buf == NULL || !DUK_HBUFFEROBJECT_VALID_SLICE(h_this)) {
+ if (h_this->buf == NULL || !DUK_HBUFOBJ_VALID_SLICE(h_this)) {
/* Serialize uncovered backing buffer as a null; doesn't
* really matter as long we're memory safe.
*/
@@ -22930,27 +25055,23 @@ DUK_INTERNAL duk_ret_t duk_bi_nodejs_buffer_tojson(duk_context *ctx) {
duk_push_object(ctx);
duk_push_hstring_stridx(ctx, DUK_STRIDX_UC_BUFFER);
- duk_put_prop_stridx(ctx, -2, DUK_STRIDX_TYPE);
+ duk_put_prop_stridx_short(ctx, -2, DUK_STRIDX_TYPE);
- duk_push_array(ctx);
- for (i = 0; i < h_this->length; i++) {
- /* XXX: regetting the pointer may be overkill - we're writing
- * to a side-effect free array here.
- */
- DUK_ASSERT(h_this->buf != NULL);
- buf = DUK_HBUFFEROBJECT_GET_SLICE_BASE(thr->heap, h_this);
- duk_push_uint(ctx, (duk_uint_t) buf[i]);
- duk_put_prop_index(ctx, -2, (duk_idx_t) i);
+ DUK_ASSERT_DISABLE((duk_size_t) h_this->length <= (duk_size_t) DUK_UINT32_MAX);
+ h_arr = duk_push_harray_with_size(ctx, (duk_uint32_t) h_this->length); /* XXX: needs revision with >4G buffers */
+ DUK_ASSERT(h_arr != NULL);
+ DUK_ASSERT(h_arr->length == h_this->length);
+ tv = DUK_HOBJECT_A_GET_BASE(thr->heap, (duk_hobject *) h_arr);
+
+ DUK_ASSERT(h_this->buf != NULL);
+ buf = DUK_HBUFOBJ_GET_SLICE_BASE(thr->heap, h_this);
+ for (i = 0, n = h_this->length; i < n; i++) {
+ DUK_TVAL_SET_U32(tv + i, (duk_uint32_t) buf[i]); /* no need for decref or incref */
}
- duk_put_prop_stridx(ctx, -2, DUK_STRIDX_DATA);
+ duk_put_prop_stridx_short(ctx, -2, DUK_STRIDX_DATA);
return 1;
}
-#else /* DUK_USE_BUFFEROBJECT_SUPPORT */
-DUK_INTERNAL duk_ret_t duk_bi_nodejs_buffer_tojson(duk_context *ctx) {
- DUK_UNREF(ctx);
- return DUK_RET_UNSUPPORTED_ERROR;
-}
#endif /* DUK_USE_BUFFEROBJECT_SUPPORT */
/*
@@ -22963,13 +25084,15 @@ DUK_INTERNAL duk_ret_t duk_bi_nodejs_buffer_tojson(duk_context *ctx) {
DUK_INTERNAL duk_ret_t duk_bi_buffer_compare_shared(duk_context *ctx) {
duk_hthread *thr;
duk_small_uint_t magic;
- duk_hbufferobject *h_bufarg1;
- duk_hbufferobject *h_bufarg2;
+ duk_hbufobj *h_bufarg1;
+ duk_hbufobj *h_bufarg2;
duk_small_int_t comp_res;
thr = (duk_hthread *) ctx;
DUK_UNREF(thr);
+ /* XXX: keep support for plain buffers and non-Node.js buffers? */
+
magic = duk_get_current_magic(ctx);
if (magic & 0x02) {
/* Static call style. */
@@ -22988,8 +25111,8 @@ DUK_INTERNAL duk_ret_t duk_bi_buffer_compare_shared(duk_context *ctx) {
* matters is to be memory safe.
*/
- if (DUK_HBUFFEROBJECT_VALID_SLICE(h_bufarg1) &&
- DUK_HBUFFEROBJECT_VALID_SLICE(h_bufarg2)) {
+ if (DUK_HBUFOBJ_VALID_SLICE(h_bufarg1) &&
+ DUK_HBUFOBJ_VALID_SLICE(h_bufarg2)) {
comp_res = duk_js_data_compare((const duk_uint8_t *) DUK_HBUFFER_GET_DATA_PTR(thr->heap, h_bufarg1->buf) + h_bufarg1->offset,
(const duk_uint8_t *) DUK_HBUFFER_GET_DATA_PTR(thr->heap, h_bufarg2->buf) + h_bufarg2->offset,
(duk_size_t) h_bufarg1->length,
@@ -23008,11 +25131,6 @@ DUK_INTERNAL duk_ret_t duk_bi_buffer_compare_shared(duk_context *ctx) {
return 1;
}
-#else /* DUK_USE_BUFFEROBJECT_SUPPORT */
-DUK_INTERNAL duk_ret_t duk_bi_buffer_compare_shared(duk_context *ctx) {
- DUK_UNREF(ctx);
- return DUK_RET_UNSUPPORTED_ERROR;
-}
#endif /* DUK_USE_BUFFEROBJECT_SUPPORT */
/*
@@ -23022,7 +25140,7 @@ DUK_INTERNAL duk_ret_t duk_bi_buffer_compare_shared(duk_context *ctx) {
#if defined(DUK_USE_BUFFEROBJECT_SUPPORT)
DUK_INTERNAL duk_ret_t duk_bi_nodejs_buffer_fill(duk_context *ctx) {
duk_hthread *thr;
- duk_hbufferobject *h_this;
+ duk_hbufobj *h_this;
const duk_uint8_t *fill_str_ptr;
duk_size_t fill_str_len;
duk_uint8_t fill_value;
@@ -23037,15 +25155,16 @@ DUK_INTERNAL duk_ret_t duk_bi_nodejs_buffer_fill(duk_context *ctx) {
h_this = duk__require_bufobj_this(ctx);
DUK_ASSERT(h_this != NULL);
if (h_this->buf == NULL) {
- return DUK_RET_TYPE_ERROR;
+ DUK_DCERROR_TYPE_INVALID_ARGS(thr);
}
/* [ value offset end ] */
- if (duk_is_string(ctx, 0)) {
+ if (duk_is_string_notsymbol(ctx, 0)) {
fill_str_ptr = (const duk_uint8_t *) duk_get_lstring(ctx, 0, &fill_str_len);
DUK_ASSERT(fill_str_ptr != NULL);
} else {
+ /* Symbols get ToNumber() coerced and cause TypeError. */
fill_value = (duk_uint8_t) duk_to_uint32(ctx, 0);
fill_str_ptr = (const duk_uint8_t *) &fill_value;
fill_str_len = 1;
@@ -23053,7 +25172,12 @@ DUK_INTERNAL duk_ret_t duk_bi_nodejs_buffer_fill(duk_context *ctx) {
/* Fill offset handling is more lenient than in Node.js. */
- duk__clamp_startend_nonegidx_noshift(ctx, h_this, 1 /*idx_start*/, 2 /*idx_end*/, &fill_offset, &fill_end);
+ duk__clamp_startend_nonegidx_noshift(ctx,
+ (duk_int_t) h_this->length,
+ 1 /*idx_start*/,
+ 2 /*idx_end*/,
+ &fill_offset,
+ &fill_end);
DUK_DDD(DUK_DDDPRINT("fill: fill_value=%02x, fill_offset=%ld, fill_end=%ld, view length=%ld",
(unsigned int) fill_value, (long) fill_offset, (long) fill_end, (long) h_this->length));
@@ -23061,7 +25185,7 @@ DUK_INTERNAL duk_ret_t duk_bi_nodejs_buffer_fill(duk_context *ctx) {
DUK_ASSERT(fill_end - fill_offset >= 0);
DUK_ASSERT(h_this->buf != NULL);
- p = (DUK_HBUFFEROBJECT_GET_SLICE_BASE(thr->heap, h_this) + fill_offset);
+ p = (DUK_HBUFOBJ_GET_SLICE_BASE(thr->heap, h_this) + fill_offset);
fill_length = (duk_size_t) (fill_end - fill_offset);
if (fill_str_len == 1) {
/* Handle single character fills as memset() even when
@@ -23085,11 +25209,6 @@ DUK_INTERNAL duk_ret_t duk_bi_nodejs_buffer_fill(duk_context *ctx) {
duk_push_this(ctx);
return 1;
}
-#else /* DUK_USE_BUFFEROBJECT_SUPPORT */
-DUK_INTERNAL duk_ret_t duk_bi_nodejs_buffer_fill(duk_context *ctx) {
- DUK_UNREF(ctx);
- return DUK_RET_UNSUPPORTED_ERROR;
-}
#endif /* DUK_USE_BUFFEROBJECT_SUPPORT */
/*
@@ -23099,7 +25218,7 @@ DUK_INTERNAL duk_ret_t duk_bi_nodejs_buffer_fill(duk_context *ctx) {
#if defined(DUK_USE_BUFFEROBJECT_SUPPORT)
DUK_INTERNAL duk_ret_t duk_bi_nodejs_buffer_write(duk_context *ctx) {
duk_hthread *thr;
- duk_hbufferobject *h_this;
+ duk_hbufobj *h_this;
duk_uint_t offset;
duk_uint_t length;
const duk_uint8_t *str_data;
@@ -23108,11 +25227,12 @@ DUK_INTERNAL duk_ret_t duk_bi_nodejs_buffer_write(duk_context *ctx) {
thr = (duk_hthread *) ctx;
DUK_UNREF(thr);
+ /* XXX: very inefficient support for plain buffers */
h_this = duk__require_bufobj_this(ctx);
DUK_ASSERT(h_this != NULL);
/* Argument must be a string, e.g. a buffer is not allowed. */
- str_data = (const duk_uint8_t *) duk_require_lstring(ctx, 0, &str_len);
+ str_data = (const duk_uint8_t *) duk_require_lstring_notsymbol(ctx, 0, &str_len);
duk__resolve_offset_opt_length(ctx, h_this, 1, 2, &offset, &length, 0 /*throw_flag*/);
DUK_ASSERT(offset <= h_this->length);
@@ -23124,9 +25244,9 @@ DUK_INTERNAL duk_ret_t duk_bi_nodejs_buffer_write(duk_context *ctx) {
length = (duk_uint_t) str_len;
}
- if (DUK_HBUFFEROBJECT_VALID_SLICE(h_this)) {
+ if (DUK_HBUFOBJ_VALID_SLICE(h_this)) {
/* Cannot overlap. */
- DUK_MEMCPY((void *) (DUK_HBUFFEROBJECT_GET_SLICE_BASE(thr->heap, h_this) + offset),
+ DUK_MEMCPY((void *) (DUK_HBUFOBJ_GET_SLICE_BASE(thr->heap, h_this) + offset),
(const void *) str_data,
(size_t) length);
} else {
@@ -23136,11 +25256,6 @@ DUK_INTERNAL duk_ret_t duk_bi_nodejs_buffer_write(duk_context *ctx) {
duk_push_uint(ctx, length);
return 1;
}
-#else /* DUK_USE_BUFFEROBJECT_SUPPORT */
-DUK_INTERNAL duk_ret_t duk_bi_nodejs_buffer_write(duk_context *ctx) {
- DUK_UNREF(ctx);
- return DUK_RET_UNSUPPORTED_ERROR;
-}
#endif /* DUK_USE_BUFFEROBJECT_SUPPORT */
/*
@@ -23150,8 +25265,8 @@ DUK_INTERNAL duk_ret_t duk_bi_nodejs_buffer_write(duk_context *ctx) {
#if defined(DUK_USE_BUFFEROBJECT_SUPPORT)
DUK_INTERNAL duk_ret_t duk_bi_nodejs_buffer_copy(duk_context *ctx) {
duk_hthread *thr;
- duk_hbufferobject *h_this;
- duk_hbufferobject *h_bufarg;
+ duk_hbufobj *h_this;
+ duk_hbufobj *h_bufarg;
duk_int_t source_length;
duk_int_t target_length;
duk_int_t target_start, source_start, source_end;
@@ -23228,13 +25343,13 @@ DUK_INTERNAL duk_ret_t duk_bi_nodejs_buffer_copy(duk_context *ctx) {
/* Ensure copy is covered by underlying buffers. */
DUK_ASSERT(h_bufarg->buf != NULL); /* length check */
DUK_ASSERT(h_this->buf != NULL); /* length check */
- if (DUK_HBUFFEROBJECT_VALID_BYTEOFFSET_EXCL(h_bufarg, target_ustart + copy_size) &&
- DUK_HBUFFEROBJECT_VALID_BYTEOFFSET_EXCL(h_this, source_ustart + copy_size)) {
+ if (DUK_HBUFOBJ_VALID_BYTEOFFSET_EXCL(h_bufarg, target_ustart + copy_size) &&
+ DUK_HBUFOBJ_VALID_BYTEOFFSET_EXCL(h_this, source_ustart + copy_size)) {
/* Must use memmove() because copy area may overlap (source and target
* buffer may be the same, or from different slices.
*/
- DUK_MEMMOVE((void *) (DUK_HBUFFEROBJECT_GET_SLICE_BASE(thr->heap, h_bufarg) + target_ustart),
- (const void *) (DUK_HBUFFEROBJECT_GET_SLICE_BASE(thr->heap, h_this) + source_ustart),
+ DUK_MEMMOVE((void *) (DUK_HBUFOBJ_GET_SLICE_BASE(thr->heap, h_bufarg) + target_ustart),
+ (const void *) (DUK_HBUFOBJ_GET_SLICE_BASE(thr->heap, h_this) + source_ustart),
(size_t) copy_size);
} else {
DUK_DDD(DUK_DDDPRINT("buffer copy not covered by underlying buffer(s), ignoring"));
@@ -23249,12 +25364,7 @@ DUK_INTERNAL duk_ret_t duk_bi_nodejs_buffer_copy(duk_context *ctx) {
return 1;
fail_bounds:
- return DUK_RET_RANGE_ERROR;
-}
-#else /* DUK_USE_BUFFEROBJECT_SUPPORT */
-DUK_INTERNAL duk_ret_t duk_bi_nodejs_buffer_copy(duk_context *ctx) {
- DUK_UNREF(ctx);
- return DUK_RET_UNSUPPORTED_ERROR;
+ DUK_DCERROR_RANGE_INVALID_ARGS(thr);
}
#endif /* DUK_USE_BUFFEROBJECT_SUPPORT */
@@ -23297,7 +25407,7 @@ DUK_INTERNAL duk_ret_t duk_bi_nodejs_buffer_copy(duk_context *ctx) {
#if defined(DUK_USE_BUFFEROBJECT_SUPPORT)
DUK_INTERNAL duk_ret_t duk_bi_typedarray_set(duk_context *ctx) {
duk_hthread *thr;
- duk_hbufferobject *h_this;
+ duk_hbufobj *h_this;
duk_hobject *h_obj;
duk_uarridx_t i, n;
duk_int_t offset_signed;
@@ -23309,15 +25419,15 @@ DUK_INTERNAL duk_ret_t duk_bi_typedarray_set(duk_context *ctx) {
h_this = duk__require_bufobj_this(ctx);
DUK_ASSERT(h_this != NULL);
- DUK_ASSERT_HBUFFEROBJECT_VALID(h_this);
+ DUK_ASSERT_HBUFOBJ_VALID(h_this);
if (h_this->buf == NULL) {
DUK_DDD(DUK_DDDPRINT("source neutered, skip copy"));
return 0;
}
+ duk_hbufobj_promote_plain(ctx, 0);
h_obj = duk_require_hobject(ctx, 0);
- DUK_ASSERT(h_obj != NULL);
/* XXX: V8 throws a TypeError for negative values. Would it
* be more useful to interpret negative offsets here from the
@@ -23325,29 +25435,32 @@ DUK_INTERNAL duk_ret_t duk_bi_typedarray_set(duk_context *ctx) {
*/
offset_signed = duk_to_int(ctx, 1);
if (offset_signed < 0) {
- return DUK_RET_TYPE_ERROR;
+ /* For some reason this is a TypeError (at least in V8). */
+ DUK_DCERROR_TYPE_INVALID_ARGS(thr);
}
offset_elems = (duk_uint_t) offset_signed;
offset_bytes = offset_elems << h_this->shift;
if ((offset_bytes >> h_this->shift) != offset_elems) {
/* Byte length would overflow. */
/* XXX: easier check with less code? */
- return DUK_RET_RANGE_ERROR;
+ goto fail_args;
}
if (offset_bytes > h_this->length) {
/* Equality may be OK but >length not. Checking
* this explicitly avoids some overflow cases
* below.
*/
- return DUK_RET_RANGE_ERROR;
+ goto fail_args;
}
DUK_ASSERT(offset_bytes <= h_this->length);
- /* Fast path: source is a TypedArray (or any bufferobject). */
+ /* Fast path: source is a TypedArray (or any bufobj). */
- if (DUK_HOBJECT_IS_BUFFEROBJECT(h_obj)) {
- duk_hbufferobject *h_bufarg;
+ if (DUK_HOBJECT_IS_BUFOBJ(h_obj)) {
+ duk_hbufobj *h_bufarg;
+#if !defined(DUK_USE_PREFER_SIZE)
duk_uint16_t comp_mask;
+#endif
duk_small_int_t no_overlap = 0;
duk_uint_t src_length;
duk_uint_t dst_length;
@@ -23360,8 +25473,8 @@ DUK_INTERNAL duk_ret_t duk_bi_typedarray_set(duk_context *ctx) {
duk_small_uint_t src_elem_size;
duk_small_uint_t dst_elem_size;
- h_bufarg = (duk_hbufferobject *) h_obj;
- DUK_ASSERT_HBUFFEROBJECT_VALID(h_bufarg);
+ h_bufarg = (duk_hbufobj *) h_obj;
+ DUK_ASSERT_HBUFOBJ_VALID(h_bufarg);
if (h_bufarg->buf == NULL) {
DUK_DDD(DUK_DDDPRINT("target neutered, skip copy"));
@@ -23375,7 +25488,7 @@ DUK_INTERNAL duk_ret_t duk_bi_typedarray_set(duk_context *ctx) {
if ((dst_length >> h_this->shift) != dst_length_elems) {
/* Byte length would overflow. */
/* XXX: easier check with less code? */
- return DUK_RET_RANGE_ERROR;
+ goto fail_args;
}
DUK_DDD(DUK_DDDPRINT("nominal size check: src_length=%ld, dst_length=%ld",
(long) src_length, (long) dst_length));
@@ -23385,22 +25498,22 @@ DUK_INTERNAL duk_ret_t duk_bi_typedarray_set(duk_context *ctx) {
* side and guaranteed to be >= 0.
*/
DUK_DDD(DUK_DDDPRINT("copy exceeds target buffer nominal length"));
- return DUK_RET_RANGE_ERROR;
+ goto fail_args;
}
- if (!DUK_HBUFFEROBJECT_VALID_BYTEOFFSET_EXCL(h_this, offset_bytes + dst_length)) {
+ if (!DUK_HBUFOBJ_VALID_BYTEOFFSET_EXCL(h_this, offset_bytes + dst_length)) {
DUK_DDD(DUK_DDDPRINT("copy not covered by underlying target buffer, ignore"));
return 0;
}
- p_src_base = DUK_HBUFFEROBJECT_GET_SLICE_BASE(thr->heap, h_bufarg);
- p_dst_base = DUK_HBUFFEROBJECT_GET_SLICE_BASE(thr->heap, h_this) + offset_bytes;
+ p_src_base = DUK_HBUFOBJ_GET_SLICE_BASE(thr->heap, h_bufarg);
+ p_dst_base = DUK_HBUFOBJ_GET_SLICE_BASE(thr->heap, h_this) + offset_bytes;
/* Check actual underlying buffers for validity and that they
* cover the copy. No side effects are allowed after the check
* so that the validity status doesn't change.
*/
- if (!DUK_HBUFFEROBJECT_VALID_SLICE(h_this) ||
- !DUK_HBUFFEROBJECT_VALID_SLICE(h_bufarg)) {
+ if (!DUK_HBUFOBJ_VALID_SLICE(h_this) ||
+ !DUK_HBUFOBJ_VALID_SLICE(h_bufarg)) {
/* The condition could be more narrow and check for the
* copy area only, but there's no need for fine grained
* behavior when the underlying buffer is misconfigured.
@@ -23420,6 +25533,7 @@ DUK_INTERNAL duk_ret_t duk_bi_typedarray_set(duk_context *ctx) {
* and destination element sizes are necessarily equal.
*/
+#if !defined(DUK_USE_PREFER_SIZE)
DUK_ASSERT(h_this->elem_type < sizeof(duk__buffer_elemtype_copy_compatible) / sizeof(duk_uint16_t));
comp_mask = duk__buffer_elemtype_copy_compatible[h_this->elem_type];
if (comp_mask & (1 << h_bufarg->elem_type)) {
@@ -23430,6 +25544,7 @@ DUK_INTERNAL duk_ret_t duk_bi_typedarray_set(duk_context *ctx) {
return 0;
}
DUK_DDD(DUK_DDDPRINT("fast path: views are not compatible with a byte copy, copy by item"));
+#endif /* !DUK_USE_PREFER_SIZE */
/* We want to avoid making a copy to process set() but that's
* not always possible: the source and the target may overlap
@@ -23466,7 +25581,7 @@ DUK_INTERNAL duk_ret_t duk_bi_typedarray_set(duk_context *ctx) {
duk_uint8_t *p_src_copy;
DUK_DDD(DUK_DDDPRINT("there is overlap, make a copy of the source"));
- p_src_copy = (duk_uint8_t *) duk_push_fixed_buffer(ctx, src_length);
+ p_src_copy = (duk_uint8_t *) duk_push_fixed_buffer_nozero(ctx, src_length);
DUK_ASSERT(p_src_copy != NULL);
DUK_MEMCPY((void *) p_src_copy, (const void *) p_src_base, (size_t) src_length);
@@ -23501,8 +25616,8 @@ DUK_INTERNAL duk_ret_t duk_bi_typedarray_set(duk_context *ctx) {
/* A validated read() is always a number, so it's write coercion
* is always side effect free an won't invalidate pointers etc.
*/
- duk_hbufferobject_push_validated_read(ctx, h_bufarg, p_src, src_elem_size);
- duk_hbufferobject_validated_write(ctx, h_this, p_dst, dst_elem_size);
+ duk_hbufobj_push_validated_read(ctx, h_bufarg, p_src, src_elem_size);
+ duk_hbufobj_validated_write(ctx, h_this, p_dst, dst_elem_size);
duk_pop(ctx);
p_src += src_elem_size;
p_dst += dst_elem_size;
@@ -23514,7 +25629,7 @@ DUK_INTERNAL duk_ret_t duk_bi_typedarray_set(duk_context *ctx) {
* to write coerce target values. We don't need to worry about overlap
* here because the source is not a TypedArray.
*
- * We could use the bufferobject write coercion helper but since the
+ * We could use the bufobj write coercion helper but since the
* property read may have arbitrary side effects, full validity checks
* would be needed for every element anyway.
*/
@@ -23526,7 +25641,7 @@ DUK_INTERNAL duk_ret_t duk_bi_typedarray_set(duk_context *ctx) {
* side and guaranteed to be >= 0.
*/
DUK_DDD(DUK_DDDPRINT("copy exceeds target buffer nominal length"));
- return DUK_RET_RANGE_ERROR;
+ goto fail_args;
}
/* There's no need to check for buffer validity status for the
@@ -23546,18 +25661,16 @@ DUK_INTERNAL duk_ret_t duk_bi_typedarray_set(duk_context *ctx) {
}
return 0;
-}
-#else /* DUK_USE_BUFFEROBJECT_SUPPORT */
-DUK_INTERNAL duk_ret_t duk_bi_typedarray_set(duk_context *ctx) {
- DUK_UNREF(ctx);
- return DUK_RET_UNSUPPORTED_ERROR;
+
+ fail_args:
+ DUK_DCERROR_RANGE_INVALID_ARGS(thr);
}
#endif /* DUK_USE_BUFFEROBJECT_SUPPORT */
/*
* Node.js Buffer.prototype.slice([start], [end])
* ArrayBuffer.prototype.slice(begin, [end])
- * TypedArray.prototype.slice(begin, [end])
+ * TypedArray.prototype.subarray(begin, [end])
*
* The API calls are almost identical; negative indices are counted from end
* of buffer, and final indices are clamped (allowing crossed indices). Main
@@ -23570,19 +25683,58 @@ DUK_INTERNAL duk_ret_t duk_bi_typedarray_set(duk_context *ctx) {
* call (or 'this' argument)
*
* - TypedArray .subarray() arguments are element indices, not byte offsets
+ *
+ * - Plain buffer argument creates a plain buffer slice
*/
#if defined(DUK_USE_BUFFEROBJECT_SUPPORT)
+DUK_LOCAL void duk__arraybuffer_plain_slice(duk_context *ctx, duk_hbuffer *h_val) {
+ duk_hthread *thr;
+ duk_int_t start_offset, end_offset;
+ duk_uint_t slice_length;
+ duk_uint8_t *p_copy;
+ duk_size_t copy_length;
+
+ thr = (duk_hthread *) ctx;
+ DUK_UNREF(thr);
+
+ duk__clamp_startend_negidx_shifted(ctx,
+ (duk_int_t) DUK_HBUFFER_GET_SIZE(h_val),
+ 0 /*buffer_shift*/,
+ 0 /*idx_start*/,
+ 1 /*idx_end*/,
+ &start_offset,
+ &end_offset);
+ DUK_ASSERT(end_offset <= (duk_int_t) DUK_HBUFFER_GET_SIZE(h_val));
+ DUK_ASSERT(start_offset >= 0);
+ DUK_ASSERT(end_offset >= start_offset);
+ slice_length = (duk_uint_t) (end_offset - start_offset);
+
+ p_copy = (duk_uint8_t *) duk_push_fixed_buffer_nozero(ctx, (duk_size_t) slice_length);
+ DUK_ASSERT(p_copy != NULL);
+ copy_length = slice_length;
+
+ DUK_MEMCPY((void *) p_copy,
+ (const void *) ((duk_uint8_t *) DUK_HBUFFER_GET_DATA_PTR(thr->heap, h_val) + start_offset),
+ copy_length);
+}
+#endif /* DUK_USE_BUFFEROBJECT_SUPPORT */
+
+#if defined(DUK_USE_BUFFEROBJECT_SUPPORT)
+/* Shared helper for slice/subarray operation.
+ * Magic: 0x01=isView, 0x02=copy, 0x04=Node.js Buffer special handling.
+ */
DUK_INTERNAL duk_ret_t duk_bi_buffer_slice_shared(duk_context *ctx) {
duk_hthread *thr;
duk_small_int_t magic;
duk_small_uint_t res_class_num;
- duk_hobject *res_proto;
- duk_hbufferobject *h_this;
- duk_hbufferobject *h_bufobj;
+ duk_small_int_t res_proto_bidx;
+ duk_hbufobj *h_this;
+ duk_hbufobj *h_bufobj;
duk_hbuffer *h_val;
duk_int_t start_offset, end_offset;
duk_uint_t slice_length;
+ duk_tval *tv;
thr = (duk_hthread *) ctx;
DUK_UNREF(thr);
@@ -23590,6 +25742,34 @@ DUK_INTERNAL duk_ret_t duk_bi_buffer_slice_shared(duk_context *ctx) {
/* [ start end ] */
magic = duk_get_current_magic(ctx);
+
+ tv = duk_get_borrowed_this_tval(ctx);
+ DUK_ASSERT(tv != NULL);
+
+ if (DUK_TVAL_IS_BUFFER(tv)) {
+ /* For plain buffers return a plain buffer slice. */
+ h_val = DUK_TVAL_GET_BUFFER(tv);
+ DUK_ASSERT(h_val != NULL);
+
+ if (magic & 0x02) {
+ /* Make copy: ArrayBuffer.prototype.slice() uses this. */
+ duk__arraybuffer_plain_slice(ctx, h_val);
+ return 1;
+ } else {
+ /* View into existing buffer: cannot be done if the
+ * result is a plain buffer because there's no slice
+ * info. So return an ArrayBuffer instance; coerce
+ * the 'this' binding into an object and behave as if
+ * the original call was for an Object-coerced plain
+ * buffer (handled automatically by duk__require_bufobj_this()).
+ */
+
+ DUK_DDD(DUK_DDDPRINT("slice() doesn't handle view into plain buffer, coerce 'this' to ArrayBuffer object"));
+ /* fall through */
+ }
+ }
+ tv = NULL; /* No longer valid nor needed. */
+
h_this = duk__require_bufobj_this(ctx);
/* Slice offsets are element (not byte) offsets, which only matters
@@ -23601,40 +25781,51 @@ DUK_INTERNAL duk_ret_t duk_bi_buffer_slice_shared(duk_context *ctx) {
* against the underlying buffer here.
*/
- duk__clamp_startend_negidx_shifted(ctx, h_this, 0 /*idx_start*/, 1 /*idx_end*/, &start_offset, &end_offset);
+ duk__clamp_startend_negidx_shifted(ctx,
+ (duk_int_t) h_this->length,
+ (duk_uint8_t) h_this->shift,
+ 0 /*idx_start*/,
+ 1 /*idx_end*/,
+ &start_offset,
+ &end_offset);
DUK_ASSERT(end_offset >= start_offset);
slice_length = (duk_uint_t) (end_offset - start_offset);
/* The resulting buffer object gets the same class and prototype as
- * the buffer in 'this', e.g. if the input is a Node.js Buffer the
- * result is a Node.js Buffer; if the input is a Float32Array, the
- * result is a Float32Array.
+ * the buffer in 'this', e.g. if the input is a Uint8Array the
+ * result is a Uint8Array; if the input is a Float32Array, the
+ * result is a Float32Array. The result internal prototype should
+ * be the default prototype for the class (e.g. initial value of
+ * Uint8Array.prototype), not copied from the argument (Duktape 1.x
+ * did that).
*
- * For the class number this seems correct. The internal prototype
- * is not so clear: if 'this' is a bufferobject with a non-standard
- * prototype object, that value gets copied over into the result
- * (instead of using the standard prototype for that object type).
+ * Node.js Buffers have special handling: they're Uint8Arrays as far
+ * as the internal class is concerned, so the new Buffer should also
+ * be an Uint8Array but inherit from Buffer.prototype.
*/
-
res_class_num = DUK_HOBJECT_GET_CLASS_NUMBER((duk_hobject *) h_this);
- h_bufobj = duk_push_bufferobject_raw(ctx,
- DUK_HOBJECT_FLAG_EXTENSIBLE |
- DUK_HOBJECT_FLAG_BUFFEROBJECT |
- DUK_HOBJECT_CLASS_AS_FLAGS(res_class_num),
- DUK_BIDX_OBJECT_PROTOTYPE); /* replaced */
+ DUK_ASSERT(res_class_num >= DUK_HOBJECT_CLASS_BUFOBJ_MIN); /* type check guarantees */
+ DUK_ASSERT(res_class_num <= DUK_HOBJECT_CLASS_BUFOBJ_MAX);
+ res_proto_bidx = duk__buffer_proto_from_classnum[res_class_num - DUK_HOBJECT_CLASS_BUFOBJ_MIN];
+ if (magic & 0x04) {
+ res_proto_bidx = DUK_BIDX_NODEJS_BUFFER_PROTOTYPE;
+ }
+ h_bufobj = duk_push_bufobj_raw(ctx,
+ DUK_HOBJECT_FLAG_EXTENSIBLE |
+ DUK_HOBJECT_FLAG_BUFOBJ |
+ DUK_HOBJECT_CLASS_AS_FLAGS(res_class_num),
+ res_proto_bidx);
DUK_ASSERT(h_bufobj != NULL);
- res_proto = DUK_HOBJECT_GET_PROTOTYPE(thr->heap, (duk_hobject *) h_this); /* may be NULL */
- DUK_HOBJECT_SET_PROTOTYPE_UPDREF(thr, (duk_hobject *) h_bufobj, res_proto);
h_bufobj->length = slice_length;
h_bufobj->shift = h_this->shift; /* inherit */
h_bufobj->elem_type = h_this->elem_type; /* inherit */
- h_bufobj->is_view = magic & 0x01;
- DUK_ASSERT(h_bufobj->is_view == 0 || h_bufobj->is_view == 1);
+ h_bufobj->is_typedarray = magic & 0x01;
+ DUK_ASSERT(h_bufobj->is_typedarray == 0 || h_bufobj->is_typedarray == 1);
h_val = h_this->buf;
if (h_val == NULL) {
- return DUK_RET_TYPE_ERROR;
+ DUK_DCERROR_TYPE_INVALID_ARGS(thr);
}
if (magic & 0x02) {
@@ -23642,19 +25833,18 @@ DUK_INTERNAL duk_ret_t duk_bi_buffer_slice_shared(duk_context *ctx) {
duk_uint8_t *p_copy;
duk_size_t copy_length;
- p_copy = (duk_uint8_t *) duk_push_fixed_buffer(ctx, (duk_size_t) slice_length);
+ p_copy = (duk_uint8_t *) duk_push_fixed_buffer_zero(ctx, (duk_size_t) slice_length); /* must be zeroed, not all bytes always copied */
DUK_ASSERT(p_copy != NULL);
/* Copy slice, respecting underlying buffer limits; remainder
* is left as zero.
*/
- copy_length = DUK_HBUFFEROBJECT_CLAMP_BYTELENGTH(h_this, slice_length);
+ copy_length = DUK_HBUFOBJ_CLAMP_BYTELENGTH(h_this, slice_length);
DUK_MEMCPY((void *) p_copy,
- (const void *) (DUK_HBUFFEROBJECT_GET_SLICE_BASE(thr->heap, h_this) + start_offset),
+ (const void *) (DUK_HBUFOBJ_GET_SLICE_BASE(thr->heap, h_this) + start_offset),
copy_length);
- h_val = duk_get_hbuffer(ctx, -1);
- DUK_ASSERT(h_val != NULL);
+ h_val = duk_known_hbuffer(ctx, -1);
h_bufobj->buf = h_val;
DUK_HBUFFER_INCREF(thr, h_val);
@@ -23671,24 +25861,15 @@ DUK_INTERNAL duk_ret_t duk_bi_buffer_slice_shared(duk_context *ctx) {
* XXX: limit copy only for TypedArray classes specifically?
*/
- duk_push_this(ctx);
- if (duk_get_prop_stridx(ctx, -1, DUK_STRIDX_LC_BUFFER)) {
- duk_xdef_prop_stridx(ctx, -3, DUK_STRIDX_LC_BUFFER, DUK_PROPDESC_FLAGS_NONE);
- duk_pop(ctx);
- } else {
- duk_pop_2(ctx);
- }
+ DUK_ASSERT(h_bufobj->buf_prop == NULL);
+ h_bufobj->buf_prop = h_this->buf_prop; /* may be NULL */
+ DUK_HOBJECT_INCREF_ALLOWNULL(thr, (duk_hobject *) h_bufobj->buf_prop);
}
/* unbalanced stack on purpose */
- DUK_ASSERT_HBUFFEROBJECT_VALID(h_bufobj);
+ DUK_ASSERT_HBUFOBJ_VALID(h_bufobj);
return 1;
}
-#else /* DUK_USE_BUFFEROBJECT_SUPPORT */
-DUK_INTERNAL duk_ret_t duk_bi_buffer_slice_shared(duk_context *ctx) {
- DUK_UNREF(ctx);
- return DUK_RET_UNSUPPORTED_ERROR;
-}
#endif /* DUK_USE_BUFFEROBJECT_SUPPORT */
/*
@@ -23706,11 +25887,6 @@ DUK_INTERNAL duk_ret_t duk_bi_nodejs_buffer_is_encoding(duk_context *ctx) {
duk_push_boolean(ctx, DUK_STRCMP(encoding, "utf8") == 0);
return 1;
}
-#else /* DUK_USE_BUFFEROBJECT_SUPPORT */
-DUK_INTERNAL duk_ret_t duk_bi_nodejs_buffer_is_encoding(duk_context *ctx) {
- DUK_UNREF(ctx);
- return DUK_RET_UNSUPPORTED_ERROR;
-}
#endif /* DUK_USE_BUFFEROBJECT_SUPPORT */
/*
@@ -23720,7 +25896,6 @@ DUK_INTERNAL duk_ret_t duk_bi_nodejs_buffer_is_encoding(duk_context *ctx) {
#if defined(DUK_USE_BUFFEROBJECT_SUPPORT)
DUK_INTERNAL duk_ret_t duk_bi_nodejs_buffer_is_buffer(duk_context *ctx) {
duk_hthread *thr;
- duk_tval *tv;
duk_hobject *h;
duk_hobject *h_proto;
duk_bool_t ret = 0;
@@ -23728,18 +25903,13 @@ DUK_INTERNAL duk_ret_t duk_bi_nodejs_buffer_is_buffer(duk_context *ctx) {
thr = (duk_hthread *) ctx;
DUK_ASSERT(duk_get_top(ctx) >= 1); /* nargs */
- tv = duk_get_tval(ctx, 0);
- DUK_ASSERT(tv != NULL);
-
- if (DUK_TVAL_IS_OBJECT(tv)) {
- h = DUK_TVAL_GET_OBJECT(tv);
- DUK_ASSERT(h != NULL);
-
+ h = duk_get_hobject(ctx, 0);
+ if (h != NULL) {
h_proto = thr->builtins[DUK_BIDX_NODEJS_BUFFER_PROTOTYPE];
DUK_ASSERT(h_proto != NULL);
h = DUK_HOBJECT_GET_PROTOTYPE(thr->heap, h);
- if (h) {
+ if (h != NULL) {
ret = duk_hobject_prototype_chain_contains(thr, h, h_proto, 0 /*ignore_loop*/);
}
}
@@ -23747,11 +25917,6 @@ DUK_INTERNAL duk_ret_t duk_bi_nodejs_buffer_is_buffer(duk_context *ctx) {
duk_push_boolean(ctx, ret);
return 1;
}
-#else /* DUK_USE_BUFFEROBJECT_SUPPORT */
-DUK_INTERNAL duk_ret_t duk_bi_nodejs_buffer_is_buffer(duk_context *ctx) {
- DUK_UNREF(ctx);
- return DUK_RET_UNSUPPORTED_ERROR;
-}
#endif /* DUK_USE_BUFFEROBJECT_SUPPORT */
/*
@@ -23768,16 +25933,21 @@ DUK_INTERNAL duk_ret_t duk_bi_nodejs_buffer_byte_length(duk_context *ctx) {
* unconditionally.
*/
+ /* XXX: to be revised; Old Node.js behavior just coerces any buffer
+ * values to string:
+ * $ node
+ * > Buffer.byteLength(new Uint32Array(10))
+ * 20
+ * > Buffer.byteLength(new Uint32Array(100))
+ * 20
+ * (The 20 comes from '[object Uint32Array]'.length
+ */
+
str = duk_to_lstring(ctx, 0, &len);
DUK_UNREF(str);
duk_push_size_t(ctx, len);
return 1;
}
-#else /* DUK_USE_BUFFEROBJECT_SUPPORT */
-DUK_INTERNAL duk_ret_t duk_bi_nodejs_buffer_byte_length(duk_context *ctx) {
- DUK_UNREF(ctx);
- return DUK_RET_UNSUPPORTED_ERROR;
-}
#endif /* DUK_USE_BUFFEROBJECT_SUPPORT */
/*
@@ -23789,8 +25959,8 @@ DUK_INTERNAL duk_ret_t duk_bi_nodejs_buffer_concat(duk_context *ctx) {
duk_hthread *thr;
duk_hobject *h_arg;
duk_int_t total_length = 0;
- duk_hbufferobject *h_bufobj;
- duk_hbufferobject *h_bufres;
+ duk_hbufobj *h_bufobj;
+ duk_hbufobj *h_bufres;
duk_hbuffer *h_val;
duk_uint_t i, n;
duk_uint8_t *p;
@@ -23803,7 +25973,7 @@ DUK_INTERNAL duk_ret_t duk_bi_nodejs_buffer_concat(duk_context *ctx) {
/* Node.js accepts only actual Arrays. */
h_arg = duk_require_hobject(ctx, 0);
if (DUK_HOBJECT_GET_CLASS_NUMBER(h_arg) != DUK_HOBJECT_CLASS_ARRAY) {
- return DUK_RET_TYPE_ERROR;
+ DUK_DCERROR_TYPE_INVALID_ARGS(thr);
}
/* Compute result length and validate argument buffers. */
@@ -23819,15 +25989,9 @@ DUK_INTERNAL duk_ret_t duk_bi_nodejs_buffer_concat(duk_context *ctx) {
total_length += h_bufobj->length;
duk_pop(ctx);
}
- if (n == 1) {
- /* For the case n==1 Node.js doesn't seem to type check
- * the sole member but we do it before returning it.
- * For this case only the original buffer object is
- * returned (not a copy).
- */
- duk_get_prop_index(ctx, 0, 0);
- return 1;
- }
+ /* In Node.js v0.12.1 a 1-element array is special and won't create a
+ * copy, this was fixed later so an explicit check no longer needed.
+ */
/* User totalLength overrides a computed length, but we'll check
* every copy in the copy loop. Note that duk_to_uint() can
@@ -23841,17 +26005,17 @@ DUK_INTERNAL duk_ret_t duk_bi_nodejs_buffer_concat(duk_context *ctx) {
total_length = duk_to_int(ctx, 1);
}
if (total_length < 0) {
- return DUK_RET_RANGE_ERROR;
+ DUK_DCERROR_RANGE_INVALID_ARGS(thr);
}
- h_bufres = duk_push_bufferobject_raw(ctx,
- DUK_HOBJECT_FLAG_EXTENSIBLE |
- DUK_HOBJECT_FLAG_BUFFEROBJECT |
- DUK_HOBJECT_CLASS_AS_FLAGS(DUK_HOBJECT_CLASS_BUFFER),
- DUK_BIDX_NODEJS_BUFFER_PROTOTYPE);
+ h_bufres = duk_push_bufobj_raw(ctx,
+ DUK_HOBJECT_FLAG_EXTENSIBLE |
+ DUK_HOBJECT_FLAG_BUFOBJ |
+ DUK_HOBJECT_CLASS_AS_FLAGS(DUK_HOBJECT_CLASS_UINT8ARRAY),
+ DUK_BIDX_NODEJS_BUFFER_PROTOTYPE);
DUK_ASSERT(h_bufres != NULL);
- p = (duk_uint8_t *) duk_push_fixed_buffer(ctx, total_length);
+ p = (duk_uint8_t *) duk_push_fixed_buffer_zero(ctx, total_length); /* must be zeroed, all bytes not necessarily written over */
DUK_ASSERT(p != NULL);
space_left = total_length;
@@ -23868,9 +26032,9 @@ DUK_INTERNAL duk_ret_t duk_bi_nodejs_buffer_concat(duk_context *ctx) {
}
if (h_bufobj->buf != NULL &&
- DUK_HBUFFEROBJECT_VALID_SLICE(h_bufobj)) {
+ DUK_HBUFOBJ_VALID_SLICE(h_bufobj)) {
DUK_MEMCPY((void *) p,
- (const void *) DUK_HBUFFEROBJECT_GET_SLICE_BASE(thr->heap, h_bufobj),
+ (const void *) DUK_HBUFOBJ_GET_SLICE_BASE(thr->heap, h_bufobj),
copy_size);
} else {
/* Just skip, leaving zeroes in the result. */
@@ -23882,21 +26046,16 @@ DUK_INTERNAL duk_ret_t duk_bi_nodejs_buffer_concat(duk_context *ctx) {
duk_pop(ctx);
}
- h_val = duk_get_hbuffer(ctx, -1);
- DUK_ASSERT(h_val != NULL);
+ h_val = duk_known_hbuffer(ctx, -1);
duk__set_bufobj_buffer(ctx, h_bufres, h_val);
- DUK_ASSERT_HBUFFEROBJECT_VALID(h_bufres);
+ h_bufres->is_typedarray = 1;
+ DUK_ASSERT_HBUFOBJ_VALID(h_bufres);
duk_pop(ctx); /* pop plain buffer, now reachable through h_bufres */
return 1; /* return h_bufres */
}
-#else /* DUK_USE_BUFFEROBJECT_SUPPORT */
-DUK_INTERNAL duk_ret_t duk_bi_nodejs_buffer_concat(duk_context *ctx) {
- DUK_UNREF(ctx);
- return DUK_RET_UNSUPPORTED_ERROR;
-}
#endif /* DUK_USE_BUFFEROBJECT_SUPPORT */
/*
@@ -23932,7 +26091,7 @@ DUK_INTERNAL duk_ret_t duk_bi_buffer_readfield(duk_context *ctx) {
duk_small_int_t magic_signed;
duk_small_int_t magic_typedarray;
duk_small_int_t endswap;
- duk_hbufferobject *h_this;
+ duk_hbufobj *h_this;
duk_bool_t no_assert;
duk_int_t offset_signed;
duk_uint_t offset;
@@ -23949,7 +26108,7 @@ DUK_INTERNAL duk_ret_t duk_bi_buffer_readfield(duk_context *ctx) {
magic_signed = magic & 0x0010;
magic_typedarray = magic & 0x0020;
- h_this = duk__require_bufobj_this(ctx);
+ h_this = duk__require_bufobj_this(ctx); /* XXX: very inefficient for plain buffers */
DUK_ASSERT(h_this != NULL);
buffer_length = h_this->length;
@@ -23995,12 +26154,12 @@ DUK_INTERNAL duk_ret_t duk_bi_buffer_readfield(duk_context *ctx) {
* takes into account the underlying buffer. This value will be
* potentially invalidated by any side effect.
*/
- check_length = DUK_HBUFFEROBJECT_CLAMP_BYTELENGTH(h_this, buffer_length);
+ check_length = DUK_HBUFOBJ_CLAMP_BYTELENGTH(h_this, buffer_length);
DUK_DDD(DUK_DDDPRINT("buffer_length=%ld, check_length=%ld",
(long) buffer_length, (long) check_length));
if (h_this->buf) {
- buf = DUK_HBUFFEROBJECT_GET_SLICE_BASE(thr->heap, h_this);
+ buf = DUK_HBUFOBJ_GET_SLICE_BASE(thr->heap, h_this);
} else {
/* Neutered. We could go into the switch-case safely with
* buf == NULL because check_length == 0. To avoid scanbuild
@@ -24178,13 +26337,7 @@ DUK_INTERNAL duk_ret_t duk_bi_buffer_readfield(duk_context *ctx) {
duk_push_nan(ctx);
return 1;
}
-
- return DUK_RET_RANGE_ERROR;
-}
-#else /* DUK_USE_BUFFEROBJECT_SUPPORT */
-DUK_INTERNAL duk_ret_t duk_bi_buffer_readfield(duk_context *ctx) {
- DUK_UNREF(ctx);
- return DUK_RET_UNSUPPORTED_ERROR;
+ DUK_DCERROR_RANGE_INVALID_ARGS(thr);
}
#endif /* DUK_USE_BUFFEROBJECT_SUPPORT */
@@ -24198,7 +26351,7 @@ DUK_INTERNAL duk_ret_t duk_bi_buffer_writefield(duk_context *ctx) {
duk_small_int_t magic_signed;
duk_small_int_t magic_typedarray;
duk_small_int_t endswap;
- duk_hbufferobject *h_this;
+ duk_hbufobj *h_this;
duk_bool_t no_assert;
duk_int_t offset_signed;
duk_uint_t offset;
@@ -24217,7 +26370,7 @@ DUK_INTERNAL duk_ret_t duk_bi_buffer_writefield(duk_context *ctx) {
magic_typedarray = magic & 0x0020;
DUK_UNREF(magic_signed);
- h_this = duk__require_bufobj_this(ctx);
+ h_this = duk__require_bufobj_this(ctx); /* XXX: very inefficient for plain buffers */
DUK_ASSERT(h_this != NULL);
buffer_length = h_this->length;
@@ -24286,12 +26439,12 @@ DUK_INTERNAL duk_ret_t duk_bi_buffer_writefield(duk_context *ctx) {
* takes into account the underlying buffer. This value will be
* potentially invalidated by any side effect.
*/
- check_length = DUK_HBUFFEROBJECT_CLAMP_BYTELENGTH(h_this, buffer_length);
+ check_length = DUK_HBUFOBJ_CLAMP_BYTELENGTH(h_this, buffer_length);
DUK_DDD(DUK_DDDPRINT("buffer_length=%ld, check_length=%ld",
(long) buffer_length, (long) check_length));
if (h_this->buf) {
- buf = DUK_HBUFFEROBJECT_GET_SLICE_BASE(thr->heap, h_this);
+ buf = DUK_HBUFOBJ_GET_SLICE_BASE(thr->heap, h_this);
} else {
/* Neutered. We could go into the switch-case safely with
* buf == NULL because check_length == 0. To avoid scanbuild
@@ -24439,7 +26592,7 @@ DUK_INTERNAL duk_ret_t duk_bi_buffer_writefield(duk_context *ctx) {
*/
if (magic_typedarray) {
/* For TypedArrays 'undefined' return value is specified
- * by ES6 (matches V8).
+ * by ES2015 (matches V8).
*/
return 0;
}
@@ -24462,25 +26615,118 @@ DUK_INTERNAL duk_ret_t duk_bi_buffer_writefield(duk_context *ctx) {
duk_push_uint(ctx, offset + nbytes);
return 1;
}
- return DUK_RET_RANGE_ERROR;
+ DUK_DCERROR_RANGE_INVALID_ARGS(thr);
+}
+#endif /* DUK_USE_BUFFEROBJECT_SUPPORT */
+
+/*
+ * Accessors for .buffer, .byteLength, .byteOffset
+ */
+
+#if defined(DUK_USE_BUFFEROBJECT_SUPPORT)
+DUK_INTERNAL duk_ret_t duk_bi_typedarray_buffer_getter(duk_context *ctx) {
+ duk_hbufobj *h_bufobj;
+
+ h_bufobj = (duk_hbufobj *) duk__getrequire_bufobj_this(ctx, DUK__BUFOBJ_FLAG_THROW /*flags*/);
+ DUK_ASSERT(h_bufobj != NULL);
+ if (DUK_HEAPHDR_IS_BUFFER((duk_heaphdr *) h_bufobj)) {
+ duk_hbufobj *h_res;
+ duk_hbuffer *h_buf;
+
+ h_buf = (duk_hbuffer *) h_bufobj;
+ h_res = duk_push_bufobj_raw(ctx,
+ DUK_HOBJECT_FLAG_EXTENSIBLE |
+ DUK_HOBJECT_FLAG_BUFOBJ |
+ DUK_HOBJECT_CLASS_AS_FLAGS(DUK_HOBJECT_CLASS_ARRAYBUFFER),
+ DUK_BIDX_ARRAYBUFFER_PROTOTYPE);
+ DUK_ASSERT(h_res != NULL);
+ DUK_UNREF(h_res);
+
+ duk__set_bufobj_buffer(ctx, h_res, h_buf);
+ DUK_ASSERT_HBUFOBJ_VALID(h_res);
+
+ DUK_DD(DUK_DDPRINT("autospawned .buffer ArrayBuffer: %!iT", duk_get_tval(ctx, -1)));
+ return 1;
+ } else {
+ if (h_bufobj->buf_prop) {
+ duk_push_hobject(ctx, h_bufobj->buf_prop);
+ return 1;
+ }
+ }
+ return 0;
+}
+
+DUK_INTERNAL duk_ret_t duk_bi_typedarray_byteoffset_getter(duk_context *ctx) {
+ duk_hbufobj *h_bufobj;
+
+ h_bufobj = (duk_hbufobj *) duk__getrequire_bufobj_this(ctx, DUK__BUFOBJ_FLAG_THROW /*flags*/);
+ DUK_ASSERT(h_bufobj != NULL);
+ if (DUK_HEAPHDR_IS_BUFFER((duk_heaphdr *) h_bufobj)) {
+ duk_push_uint(ctx, 0);
+ } else {
+ /* If neutered must return 0; offset is zeroed during
+ * neutering.
+ */
+ duk_push_uint(ctx, h_bufobj->offset);
+ }
+ return 1;
+}
+
+DUK_INTERNAL duk_ret_t duk_bi_typedarray_bytelength_getter(duk_context *ctx) {
+ duk_hbufobj *h_bufobj;
+
+ h_bufobj = (duk_hbufobj *) duk__getrequire_bufobj_this(ctx, DUK__BUFOBJ_FLAG_THROW /*flags*/);
+ DUK_ASSERT(h_bufobj != NULL);
+ if (DUK_HEAPHDR_IS_BUFFER((duk_heaphdr *) h_bufobj)) {
+ duk_hbuffer *h_buf;
+
+ h_buf = (duk_hbuffer *) h_bufobj;
+ DUK_ASSERT(DUK_HBUFFER_GET_SIZE(h_buf) <= DUK_UINT_MAX); /* Buffer limits. */
+ duk_push_uint(ctx, (duk_uint_t) DUK_HBUFFER_GET_SIZE(h_buf));
+ } else {
+ /* If neutered must return 0; length is zeroed during
+ * neutering.
+ */
+ duk_push_uint(ctx, h_bufobj->length);
+ }
+ return 1;
}
#else /* DUK_USE_BUFFEROBJECT_SUPPORT */
-DUK_INTERNAL duk_ret_t duk_bi_buffer_writefield(duk_context *ctx) {
- DUK_UNREF(ctx);
- return DUK_RET_UNSUPPORTED_ERROR;
+/* No .buffer getter without ArrayBuffer support. */
+#if 0
+DUK_INTERNAL duk_ret_t duk_bi_typedarray_buffer_getter(duk_context *ctx) {
+ return 0;
+}
+#endif
+
+DUK_INTERNAL duk_ret_t duk_bi_typedarray_byteoffset_getter(duk_context *ctx) {
+ duk_push_uint(ctx, 0);
+ return 1;
+}
+
+DUK_INTERNAL duk_ret_t duk_bi_typedarray_bytelength_getter(duk_context *ctx) {
+ duk_hbuffer *h_buf;
+
+ /* XXX: helper? */
+ duk_push_this(ctx);
+ h_buf = duk_require_hbuffer(ctx, -1);
+ duk_push_uint(ctx, DUK_HBUFFER_GET_SIZE(h_buf));
+ return 1;
}
#endif /* DUK_USE_BUFFEROBJECT_SUPPORT */
-#undef DUK__FLD_8BIT
-#undef DUK__FLD_16BIT
-#undef DUK__FLD_32BIT
-#undef DUK__FLD_FLOAT
-#undef DUK__FLD_DOUBLE
-#undef DUK__FLD_VARINT
-#undef DUK__FLD_BIGENDIAN
-#undef DUK__FLD_SIGNED
-#undef DUK__FLD_TYPEDARRAY
-#line 1 "duk_bi_date.c"
+/* automatic undefs */
+#undef DUK__BUFOBJ_FLAG_PROMOTE
+#undef DUK__BUFOBJ_FLAG_THROW
+#undef DUK__FLD_16BIT
+#undef DUK__FLD_32BIT
+#undef DUK__FLD_8BIT
+#undef DUK__FLD_BIGENDIAN
+#undef DUK__FLD_DOUBLE
+#undef DUK__FLD_FLOAT
+#undef DUK__FLD_SIGNED
+#undef DUK__FLD_TYPEDARRAY
+#undef DUK__FLD_VARINT
/*
* Date built-ins
*
@@ -24494,7 +26740,9 @@ DUK_INTERNAL duk_ret_t duk_bi_buffer_writefield(duk_context *ctx) {
*
*/
-/* include removed: duk_internal.h */
+/* #include duk_internal.h -> already included */
+
+/* XXX: currently defines unnecessary symbols when DUK_USE_DATE_BUILTIN is disabled. */
/*
* Forward declarations
@@ -24544,7 +26792,7 @@ DUK_LOCAL_DECL duk_ret_t duk__set_this_timeval_from_dparts(duk_context *ctx, duk
#define DUK__YEAR(x) ((duk_uint8_t) ((x) - 1970))
DUK_LOCAL duk_uint8_t duk__date_equivyear[14] = {
#if 1
- /* This is based on V8 EquivalentYear() algorithm (see src/genequivyear.py):
+ /* This is based on V8 EquivalentYear() algorithm (see util/genequivyear.py):
* http://code.google.com/p/v8/source/browse/trunk/src/date.h#146
*/
@@ -24571,7 +26819,6 @@ DUK_LOCAL duk_uint8_t duk__date_equivyear[14] = {
DUK__YEAR(1976), DUK__YEAR(1988), DUK__YEAR(1972)
#endif
};
-#undef DUK__YEAR
/*
* ISO 8601 subset parser.
@@ -24708,7 +26955,7 @@ DUK_LOCAL duk_bool_t duk__parse_string_iso8601_subset(duk_context *ctx, const ch
DUK_DDD(DUK_DDDPRINT("too many digits -> reject"));
goto reject;
}
- if (part_idx == DUK__PI_MILLISECOND /*msec*/ && ndigits >= 3) {
+ if (part_idx == DUK__PI_MILLISECOND && ndigits >= 3) {
/* ignore millisecond fractions after 3 */
} else {
accum = accum * 10 + ((duk_int_t) ch) - ((duk_int_t) DUK_ASC_0) + 0x00;
@@ -25381,8 +27628,8 @@ DUK_LOCAL duk_double_t duk__push_this_get_timeval_tzoffset(duk_context *ctx, duk
DUK_ERROR_TYPE(thr, "expected Date");
}
- duk_get_prop_stridx(ctx, -1, DUK_STRIDX_INT_VALUE);
- d = duk_to_number(ctx, -1);
+ duk_get_prop_stridx_short(ctx, -1, DUK_STRIDX_INT_VALUE);
+ d = duk_to_number_m1(ctx);
duk_pop(ctx);
if (DUK_ISNAN(d)) {
@@ -25427,7 +27674,7 @@ DUK_LOCAL duk_ret_t duk__set_this_timeval_from_dparts(duk_context *ctx, duk_doub
d = duk_bi_date_get_timeval_from_dparts(dparts, flags);
duk_push_number(ctx, d); /* -> [ ... this timeval_new ] */
duk_dup_top(ctx); /* -> [ ... this timeval_new timeval_new ] */
- duk_put_prop_stridx(ctx, -3, DUK_STRIDX_INT_VALUE);
+ duk_put_prop_stridx_short(ctx, -3, DUK_STRIDX_INT_VALUE);
/* stack top: new time value, return 1 to allow tail calls */
return 1;
@@ -25750,27 +27997,6 @@ DUK_LOCAL void duk__set_parts_from_args(duk_context *ctx, duk_double_t *dparts,
}
/*
- * Helper to format a time value into caller buffer, used by logging.
- * 'out_buf' must be at least DUK_BI_DATE_ISO8601_BUFSIZE long.
- */
-
-DUK_INTERNAL void duk_bi_date_format_timeval(duk_double_t timeval, duk_uint8_t *out_buf) {
- duk_int_t parts[DUK_DATE_IDX_NUM_PARTS];
-
- duk_bi_date_timeval_to_parts(timeval,
- parts,
- NULL,
- DUK_DATE_FLAG_ONEBASED);
-
- duk__format_parts_iso8601(parts,
- 0 /*tzoffset*/,
- DUK_DATE_FLAG_TOSTRING_DATE |
- DUK_DATE_FLAG_TOSTRING_TIME |
- DUK_DATE_FLAG_SEP_T /*flags*/,
- out_buf);
-}
-
-/*
* Indirect magic value lookup for Date methods.
*
* Date methods don't put their control flags into the function magic value
@@ -25909,6 +28135,7 @@ DUK_LOCAL duk_small_uint_t duk__date_get_indirect_magic(duk_context *ctx) {
return (duk_small_uint_t) duk__date_magics[magicidx];
}
+#if defined(DUK_USE_DATE_BUILTIN)
/*
* Constructor calls
*/
@@ -25921,10 +28148,10 @@ DUK_INTERNAL duk_ret_t duk_bi_date_constructor(duk_context *ctx) {
DUK_DDD(DUK_DDDPRINT("Date constructor, nargs=%ld, is_cons=%ld", (long) nargs, (long) is_cons));
- duk_push_object_helper(ctx,
- DUK_HOBJECT_FLAG_EXTENSIBLE |
- DUK_HOBJECT_CLASS_AS_FLAGS(DUK_HOBJECT_CLASS_DATE),
- DUK_BIDX_DATE_PROTOTYPE);
+ (void) duk_push_object_helper(ctx,
+ DUK_HOBJECT_FLAG_EXTENSIBLE |
+ DUK_HOBJECT_CLASS_AS_FLAGS(DUK_HOBJECT_CLASS_DATE),
+ DUK_BIDX_DATE_PROTOTYPE);
/* Unlike most built-ins, the internal [[PrimitiveValue]] of a Date
* is mutable.
@@ -25933,21 +28160,23 @@ DUK_INTERNAL duk_ret_t duk_bi_date_constructor(duk_context *ctx) {
if (nargs == 0 || !is_cons) {
d = duk__timeclip(DUK_USE_DATE_GET_NOW(ctx));
duk_push_number(ctx, d);
- duk_xdef_prop_stridx(ctx, -2, DUK_STRIDX_INT_VALUE, DUK_PROPDESC_FLAGS_W);
+ duk_xdef_prop_stridx_short(ctx, -2, DUK_STRIDX_INT_VALUE, DUK_PROPDESC_FLAGS_W);
if (!is_cons) {
/* called as a normal function: return new Date().toString() */
duk_to_string(ctx, -1);
}
return 1;
} else if (nargs == 1) {
+ const char *str;
duk_to_primitive(ctx, 0, DUK_HINT_NONE);
- if (duk_is_string(ctx, 0)) {
- duk__parse_string(ctx, duk_to_string(ctx, 0));
+ str = duk_get_string_notsymbol(ctx, 0);
+ if (str) {
+ duk__parse_string(ctx, str);
duk_replace(ctx, 0); /* may be NaN */
}
- d = duk__timeclip(duk_to_number(ctx, 0));
+ d = duk__timeclip(duk_to_number(ctx, 0)); /* symbols fail here */
duk_push_number(ctx, d);
- duk_xdef_prop_stridx(ctx, -2, DUK_STRIDX_INT_VALUE, DUK_PROPDESC_FLAGS_W);
+ duk_xdef_prop_stridx_short(ctx, -2, DUK_STRIDX_INT_VALUE, DUK_PROPDESC_FLAGS_W);
return 1;
}
@@ -26061,8 +28290,8 @@ DUK_INTERNAL duk_ret_t duk_bi_date_prototype_to_json(duk_context *ctx) {
}
duk_pop(ctx);
- duk_get_prop_stridx(ctx, -1, DUK_STRIDX_TO_ISO_STRING);
- duk_dup(ctx, -2); /* -> [ O toIsoString O ] */
+ duk_get_prop_stridx_short(ctx, -1, DUK_STRIDX_TO_ISO_STRING);
+ duk_dup_m2(ctx); /* -> [ O toIsoString O ] */
duk_call_method(ctx, 0);
return 1;
}
@@ -26205,18 +28434,68 @@ DUK_INTERNAL duk_ret_t duk_bi_date_prototype_set_time(duk_context *ctx) {
d = duk__timeclip(duk_to_number(ctx, 0));
duk_push_number(ctx, d);
duk_dup_top(ctx);
- duk_put_prop_stridx(ctx, -3, DUK_STRIDX_INT_VALUE); /* -> [ timeval this timeval ] */
+ duk_put_prop_stridx_short(ctx, -3, DUK_STRIDX_INT_VALUE); /* -> [ timeval this timeval ] */
return 1;
}
-#line 1 "duk_bi_date_unix.c"
+
+#endif /* DUK_USE_DATE_BUILTIN */
+
+/* automatic undefs */
+#undef DUK__CF_ACCEPT
+#undef DUK__CF_ACCEPT_NUL
+#undef DUK__CF_NEG
+#undef DUK__DPRINT_DPARTS
+#undef DUK__DPRINT_PARTS
+#undef DUK__DPRINT_PARTS_AND_DPARTS
+#undef DUK__LOCAL_TZOFFSET_MAXITER
+#undef DUK__NUM_ISO8601_PARSER_PARTS
+#undef DUK__PACK_RULE
+#undef DUK__PI_DAY
+#undef DUK__PI_HOUR
+#undef DUK__PI_MILLISECOND
+#undef DUK__PI_MINUTE
+#undef DUK__PI_MONTH
+#undef DUK__PI_SECOND
+#undef DUK__PI_TZHOUR
+#undef DUK__PI_TZMINUTE
+#undef DUK__PI_YEAR
+#undef DUK__PM_DAY
+#undef DUK__PM_HOUR
+#undef DUK__PM_MILLISECOND
+#undef DUK__PM_MINUTE
+#undef DUK__PM_MONTH
+#undef DUK__PM_SECOND
+#undef DUK__PM_TZHOUR
+#undef DUK__PM_TZMINUTE
+#undef DUK__PM_YEAR
+#undef DUK__RULE_MASK_PART_SEP
+#undef DUK__SI_COLON
+#undef DUK__SI_MINUS
+#undef DUK__SI_NUL
+#undef DUK__SI_PERIOD
+#undef DUK__SI_PLUS
+#undef DUK__SI_SPACE
+#undef DUK__SI_T
+#undef DUK__SI_Z
+#undef DUK__SM_COLON
+#undef DUK__SM_MINUS
+#undef DUK__SM_NUL
+#undef DUK__SM_PERIOD
+#undef DUK__SM_PLUS
+#undef DUK__SM_SPACE
+#undef DUK__SM_T
+#undef DUK__SM_Z
+#undef DUK__UNPACK_RULE
+#undef DUK__WEEKDAY_MOD_ADDER
+#undef DUK__YEAR
/*
* Unix-like Date providers
*
* Generally useful Unix / POSIX / ANSI Date providers.
*/
-/* include removed: duk_internal.h */
+/* #include duk_internal.h -> already included */
/* The necessary #includes are in place in duk_config.h. */
@@ -26234,7 +28513,7 @@ DUK_INTERNAL duk_double_t duk_bi_date_get_now_gettimeofday(duk_context *ctx) {
duk_double_t d;
if (gettimeofday(&tv, NULL) != 0) {
- DUK_ERROR_INTERNAL_DEFMSG(thr);
+ DUK_ERROR_INTERNAL(thr);
}
d = ((duk_double_t) tv.tv_sec) * 1000.0 +
@@ -26256,14 +28535,14 @@ DUK_INTERNAL duk_double_t duk_bi_date_get_now_time(duk_context *ctx) {
}
#endif /* DUK_USE_DATE_NOW_TIME */
-#if defined(DUK_USE_DATE_TZO_GMTIME) || defined(DUK_USE_DATE_TZO_GMTIME_R)
+#if defined(DUK_USE_DATE_TZO_GMTIME) || defined(DUK_USE_DATE_TZO_GMTIME_R) || defined(DUK_USE_DATE_TZO_GMTIME_S)
/* Get local time offset (in seconds) for a certain (UTC) instant 'd'. */
DUK_INTERNAL duk_int_t duk_bi_date_get_local_tzoffset_gmtime(duk_double_t d) {
time_t t, t1, t2;
duk_int_t parts[DUK_DATE_IDX_NUM_PARTS];
duk_double_t dparts[DUK_DATE_IDX_NUM_PARTS];
struct tm tms[2];
-#ifdef DUK_USE_DATE_TZO_GMTIME
+#if defined(DUK_USE_DATE_TZO_GMTIME)
struct tm *tm_ptr;
#endif
@@ -26346,6 +28625,9 @@ DUK_INTERNAL duk_int_t duk_bi_date_get_local_tzoffset_gmtime(duk_double_t d) {
#if defined(DUK_USE_DATE_TZO_GMTIME_R)
(void) gmtime_r(&t, &tms[0]);
(void) localtime_r(&t, &tms[1]);
+#elif defined(DUK_USE_DATE_TZO_GMTIME_S)
+ (void) gmtime_s(&t, &tms[0]);
+ (void) localtime_s(&t, &tms[1]);
#elif defined(DUK_USE_DATE_TZO_GMTIME)
tm_ptr = gmtime(&t);
DUK_MEMCPY((void *) &tms[0], tm_ptr, sizeof(struct tm));
@@ -26485,7 +28767,7 @@ DUK_INTERNAL duk_bool_t duk_bi_date_format_parts_strftime(duk_context *ctx, duk_
* supporting a large time range (the full Ecmascript range).
*/
if (sizeof(time_t) < 8 &&
- (parts[DUK_DATE_IDX_YEAR] < 1970 || parts[DUK_DATE_IDX_YEAR] > 2037)) {
+ (parts[DUK_DATE_IDX_YEAR] < 1970 || parts[DUK_DATE_IDX_YEAR] > 2037)) {
/* be paranoid for 32-bit time values (even avoiding negative ones) */
return 0;
}
@@ -26517,9 +28799,9 @@ DUK_INTERNAL duk_bool_t duk_bi_date_format_parts_strftime(duk_context *ctx, duk_
}
#endif /* DUK_USE_DATE_FMT_STRFTIME */
-#undef DUK__STRPTIME_BUF_SIZE
+/* automatic undefs */
#undef DUK__STRFTIME_BUF_SIZE
-#line 1 "duk_bi_date_windows.c"
+#undef DUK__STRPTIME_BUF_SIZE
/*
* Windows Date providers
*
@@ -26528,7 +28810,7 @@ DUK_INTERNAL duk_bool_t duk_bi_date_format_parts_strftime(duk_context *ctx, duk_
* - http://msdn.microsoft.com/en-us/library/windows/desktop/ms725473(v=vs.85).aspx
*/
-/* include removed: duk_internal.h */
+/* #include duk_internal.h -> already included */
/* The necessary #includes are in place in duk_config.h. */
@@ -26557,7 +28839,7 @@ DUK_LOCAL void duk__set_systime_jan1970(SYSTEMTIME *st) {
}
#endif /* defined(DUK_USE_DATE_NOW_WINDOWS) || defined(DUK_USE_DATE_TZO_WINDOWS) */
-#ifdef DUK_USE_DATE_NOW_WINDOWS
+#if defined(DUK_USE_DATE_NOW_WINDOWS)
DUK_INTERNAL duk_double_t duk_bi_date_get_now_windows(duk_context *ctx) {
/* Suggested step-by-step method from documentation of RtlTimeToSecondsSince1970:
* http://msdn.microsoft.com/en-us/library/windows/desktop/ms724928(v=vs.85).aspx
@@ -26618,7 +28900,6 @@ DUK_INTERNAL_DECL duk_int_t duk_bi_date_get_local_tzoffset_windows(duk_double_t
return (duk_int_t) (((LONGLONG) tmp3.QuadPart - (LONGLONG) tmp2.QuadPart) / 10000000LL); /* seconds */
}
#endif /* DUK_USE_DATE_TZO_WINDOWS */
-#line 1 "duk_bi_duktape.c"
/*
* Duktape built-ins
*
@@ -26630,180 +28911,24 @@ DUK_INTERNAL_DECL duk_int_t duk_bi_date_get_local_tzoffset_windows(duk_double_t
* anyway.
*/
-/* include removed: duk_internal.h */
-
-/* Raw helper to extract internal information / statistics about a value.
- * The return values are version specific and must not expose anything
- * that would lead to security issues (e.g. exposing compiled function
- * 'data' buffer might be an issue). Currently only counts and sizes and
- * such are given so there should not be a security impact.
- */
-DUK_INTERNAL duk_ret_t duk_bi_duktape_object_info(duk_context *ctx) {
- duk_hthread *thr = (duk_hthread *) ctx;
- duk_tval *tv;
- duk_heaphdr *h;
- duk_int_t i, n;
-
- DUK_UNREF(thr);
-
- /* result array */
- duk_push_array(ctx); /* -> [ val arr ] */
-
- /* type tag (public) */
- duk_push_int(ctx, duk_get_type(ctx, 0));
-
- /* address */
- tv = duk_get_tval(ctx, 0);
- DUK_ASSERT(tv != NULL); /* because arg count is 1 */
- if (DUK_TVAL_IS_HEAP_ALLOCATED(tv)) {
- h = DUK_TVAL_GET_HEAPHDR(tv);
- duk_push_pointer(ctx, (void *) h);
- } else {
- /* internal type tag */
- duk_push_int(ctx, (duk_int_t) DUK_TVAL_GET_TAG(tv));
- goto done;
- }
- DUK_ASSERT(h != NULL);
-
- /* refcount */
-#ifdef DUK_USE_REFERENCE_COUNTING
- duk_push_size_t(ctx, DUK_HEAPHDR_GET_REFCOUNT(h));
-#else
- duk_push_undefined(ctx);
-#endif
-
- /* heaphdr size and additional allocation size, followed by
- * type specific stuff (with varying value count)
- */
- switch ((duk_small_int_t) DUK_HEAPHDR_GET_TYPE(h)) {
- case DUK_HTYPE_STRING: {
- duk_hstring *h_str = (duk_hstring *) h;
- duk_push_uint(ctx, (duk_uint_t) (sizeof(duk_hstring) + DUK_HSTRING_GET_BYTELEN(h_str) + 1));
- break;
- }
- case DUK_HTYPE_OBJECT: {
- duk_hobject *h_obj = (duk_hobject *) h;
- duk_small_uint_t hdr_size;
- if (DUK_HOBJECT_IS_COMPILEDFUNCTION(h_obj)) {
- hdr_size = (duk_small_uint_t) sizeof(duk_hcompiledfunction);
- } else if (DUK_HOBJECT_IS_NATIVEFUNCTION(h_obj)) {
- hdr_size = (duk_small_uint_t) sizeof(duk_hnativefunction);
- } else if (DUK_HOBJECT_IS_THREAD(h_obj)) {
- hdr_size = (duk_small_uint_t) sizeof(duk_hthread);
-#if defined(DUK_USE_BUFFEROBJECT_SUPPORT)
- } else if (DUK_HOBJECT_IS_BUFFEROBJECT(h_obj)) {
- hdr_size = (duk_small_uint_t) sizeof(duk_hbufferobject);
-#endif
- } else {
- hdr_size = (duk_small_uint_t) sizeof(duk_hobject);
- }
- duk_push_uint(ctx, (duk_uint_t) hdr_size);
- duk_push_uint(ctx, (duk_uint_t) DUK_HOBJECT_P_ALLOC_SIZE(h_obj));
- duk_push_uint(ctx, (duk_uint_t) DUK_HOBJECT_GET_ESIZE(h_obj));
- /* Note: e_next indicates the number of gc-reachable entries
- * in the entry part, and also indicates the index where the
- * next new property would be inserted. It does *not* indicate
- * the number of non-NULL keys present in the object. That
- * value could be counted separately but requires a pass through
- * the key list.
- */
- duk_push_uint(ctx, (duk_uint_t) DUK_HOBJECT_GET_ENEXT(h_obj));
- duk_push_uint(ctx, (duk_uint_t) DUK_HOBJECT_GET_ASIZE(h_obj));
- duk_push_uint(ctx, (duk_uint_t) DUK_HOBJECT_GET_HSIZE(h_obj));
- if (DUK_HOBJECT_IS_COMPILEDFUNCTION(h_obj)) {
- duk_hbuffer *h_data = (duk_hbuffer *) DUK_HCOMPILEDFUNCTION_GET_DATA(thr->heap, (duk_hcompiledfunction *) h_obj);
- if (h_data) {
- duk_push_uint(ctx, (duk_uint_t) DUK_HBUFFER_GET_SIZE(h_data));
- } else {
- duk_push_uint(ctx, 0);
- }
- }
- break;
- }
- case DUK_HTYPE_BUFFER: {
- duk_hbuffer *h_buf = (duk_hbuffer *) h;
- if (DUK_HBUFFER_HAS_DYNAMIC(h_buf)) {
- if (DUK_HBUFFER_HAS_EXTERNAL(h_buf)) {
- duk_push_uint(ctx, (duk_uint_t) (sizeof(duk_hbuffer_external)));
- } else {
- /* When alloc_size == 0 the second allocation may not
- * actually exist.
- */
- duk_push_uint(ctx, (duk_uint_t) (sizeof(duk_hbuffer_dynamic)));
- }
- duk_push_uint(ctx, (duk_uint_t) (DUK_HBUFFER_GET_SIZE(h_buf)));
- } else {
- duk_push_uint(ctx, (duk_uint_t) (sizeof(duk_hbuffer_fixed) + DUK_HBUFFER_GET_SIZE(h_buf) + 1));
- }
- break;
+/* #include duk_internal.h -> already included */
- }
- }
+#if defined(DUK_USE_DUKTAPE_BUILTIN)
- done:
- /* set values into ret array */
- /* XXX: primitive to make array from valstack slice */
- n = duk_get_top(ctx);
- for (i = 2; i < n; i++) {
- duk_dup(ctx, i);
- duk_put_prop_index(ctx, 1, i - 2);
- }
- duk_dup(ctx, 1);
+DUK_INTERNAL duk_ret_t duk_bi_duktape_object_info(duk_context *ctx) {
+ duk_inspect_value(ctx, -1);
return 1;
}
DUK_INTERNAL duk_ret_t duk_bi_duktape_object_act(duk_context *ctx) {
- duk_hthread *thr = (duk_hthread *) ctx;
- duk_activation *act;
- duk_uint_fast32_t pc;
- duk_uint_fast32_t line;
duk_int_t level;
- /* -1 = top callstack entry, callstack[callstack_top - 1]
- * -callstack_top = bottom callstack entry, callstack[0]
- */
level = duk_to_int(ctx, 0);
- if (level >= 0 || -level > (duk_int_t) thr->callstack_top) {
- return 0;
- }
- DUK_ASSERT(level >= -((duk_int_t) thr->callstack_top) && level <= -1);
- act = thr->callstack + thr->callstack_top + level;
-
- duk_push_object(ctx);
-
- duk_push_tval(ctx, &act->tv_func);
-
- /* Relevant PC is just before current one because PC is
- * post-incremented. This should match what error augment
- * code does.
- */
- pc = duk_hthread_get_act_prev_pc(thr, act);
- duk_push_uint(ctx, (duk_uint_t) pc);
-
-#if defined(DUK_USE_PC2LINE)
- line = duk_hobject_pc2line_query(ctx, -2, pc);
-#else
- line = 0;
-#endif
- duk_push_uint(ctx, (duk_uint_t) line);
-
- /* Providing access to e.g. act->lex_env would be dangerous: these
- * internal structures must never be accessible to the application.
- * Duktape relies on them having consistent data, and this consistency
- * is only asserted for, not checked for.
- */
-
- /* [ level obj func pc line ] */
-
- /* XXX: version specific array format instead? */
- duk_xdef_prop_stridx_wec(ctx, -4, DUK_STRIDX_LINE_NUMBER);
- duk_xdef_prop_stridx_wec(ctx, -3, DUK_STRIDX_PC);
- duk_xdef_prop_stridx_wec(ctx, -2, DUK_STRIDX_LC_FUNCTION);
+ duk_inspect_callstack_entry(ctx, level);
return 1;
}
DUK_INTERNAL duk_ret_t duk_bi_duktape_object_gc(duk_context *ctx) {
-#ifdef DUK_USE_MARK_AND_SWEEP
duk_hthread *thr = (duk_hthread *) ctx;
duk_small_uint_t flags;
duk_bool_t rc;
@@ -26816,12 +28941,9 @@ DUK_INTERNAL duk_ret_t duk_bi_duktape_object_gc(duk_context *ctx) {
*/
duk_push_boolean(ctx, !rc);
return 1;
-#else
- DUK_UNREF(ctx);
- return 0;
-#endif
}
+#if defined(DUK_USE_FINALIZER_SUPPORT)
DUK_INTERNAL duk_ret_t duk_bi_duktape_object_fin(duk_context *ctx) {
(void) duk_require_hobject(ctx, 0);
if (duk_get_top(ctx) >= 2) {
@@ -26832,15 +28954,16 @@ DUK_INTERNAL duk_ret_t duk_bi_duktape_object_fin(duk_context *ctx) {
* be deleted.
*/
duk_set_top(ctx, 2);
- (void) duk_put_prop_stridx(ctx, 0, DUK_STRIDX_INT_FINALIZER);
+ (void) duk_put_prop_stridx_short(ctx, 0, DUK_STRIDX_INT_FINALIZER);
return 0;
} else {
/* Get. */
DUK_ASSERT(duk_get_top(ctx) == 1);
- duk_get_prop_stridx(ctx, 0, DUK_STRIDX_INT_FINALIZER);
+ duk_get_prop_stridx_short(ctx, 0, DUK_STRIDX_INT_FINALIZER);
return 1;
}
}
+#endif /* DUK_USE_FINALIZER_SUPPORT */
DUK_INTERNAL duk_ret_t duk_bi_duktape_object_enc(duk_context *ctx) {
duk_hthread *thr = (duk_hthread *) ctx;
@@ -26853,7 +28976,7 @@ DUK_INTERNAL duk_ret_t duk_bi_duktape_object_enc(duk_context *ctx) {
* non-existent optional parameters.
*/
- h_str = duk_require_hstring(ctx, 0);
+ h_str = duk_require_hstring(ctx, 0); /* Could reject symbols, but no point: won't match comparisons. */
duk_require_valid_index(ctx, 1);
if (h_str == DUK_HTHREAD_STRING_HEX(thr)) {
@@ -26864,7 +28987,7 @@ DUK_INTERNAL duk_ret_t duk_bi_duktape_object_enc(duk_context *ctx) {
duk_set_top(ctx, 2);
duk_base64_encode(ctx, 1);
DUK_ASSERT_TOP(ctx, 2);
-#ifdef DUK_USE_JX
+#if defined(DUK_USE_JSON_SUPPORT) && defined(DUK_USE_JX)
} else if (h_str == DUK_HTHREAD_STRING_JX(thr)) {
duk_bi_json_stringify_helper(ctx,
1 /*idx_value*/,
@@ -26874,7 +28997,7 @@ DUK_INTERNAL duk_ret_t duk_bi_duktape_object_enc(duk_context *ctx) {
DUK_JSON_FLAG_ASCII_ONLY |
DUK_JSON_FLAG_AVOID_KEY_QUOTES /*flags*/);
#endif
-#ifdef DUK_USE_JC
+#if defined(DUK_USE_JSON_SUPPORT) && defined(DUK_USE_JC)
} else if (h_str == DUK_HTHREAD_STRING_JC(thr)) {
duk_bi_json_stringify_helper(ctx,
1 /*idx_value*/,
@@ -26884,7 +29007,7 @@ DUK_INTERNAL duk_ret_t duk_bi_duktape_object_enc(duk_context *ctx) {
DUK_JSON_FLAG_ASCII_ONLY /*flags*/);
#endif
} else {
- return DUK_RET_TYPE_ERROR;
+ DUK_DCERROR_TYPE_INVALID_ARGS(thr);
}
return 1;
}
@@ -26900,7 +29023,7 @@ DUK_INTERNAL duk_ret_t duk_bi_duktape_object_dec(duk_context *ctx) {
* non-existent optional parameters.
*/
- h_str = duk_require_hstring(ctx, 0);
+ h_str = duk_require_hstring(ctx, 0); /* Could reject symbols, but no point: won't match comparisons */
duk_require_valid_index(ctx, 1);
if (h_str == DUK_HTHREAD_STRING_HEX(thr)) {
@@ -26911,14 +29034,14 @@ DUK_INTERNAL duk_ret_t duk_bi_duktape_object_dec(duk_context *ctx) {
duk_set_top(ctx, 2);
duk_base64_decode(ctx, 1);
DUK_ASSERT_TOP(ctx, 2);
-#ifdef DUK_USE_JX
+#if defined(DUK_USE_JSON_SUPPORT) && defined(DUK_USE_JX)
} else if (h_str == DUK_HTHREAD_STRING_JX(thr)) {
duk_bi_json_parse_helper(ctx,
1 /*idx_value*/,
2 /*idx_replacer*/,
DUK_JSON_FLAG_EXT_CUSTOM /*flags*/);
#endif
-#ifdef DUK_USE_JC
+#if defined(DUK_USE_JSON_SUPPORT) && defined(DUK_USE_JC)
} else if (h_str == DUK_HTHREAD_STRING_JC(thr)) {
duk_bi_json_parse_helper(ctx,
1 /*idx_value*/,
@@ -26926,7 +29049,7 @@ DUK_INTERNAL duk_ret_t duk_bi_duktape_object_dec(duk_context *ctx) {
DUK_JSON_FLAG_EXT_COMPATIBLE /*flags*/);
#endif
} else {
- return DUK_RET_TYPE_ERROR;
+ DUK_DCERROR_TYPE_INVALID_ARGS(thr);
}
return 1;
}
@@ -26940,12 +29063,547 @@ DUK_INTERNAL duk_ret_t duk_bi_duktape_object_compact(duk_context *ctx) {
duk_compact(ctx, 0);
return 1; /* return the argument object */
}
-#line 1 "duk_bi_error.c"
+
+#endif /* DUK_USE_DUKTAPE_BUILTIN */
+/*
+ * WHATWG Encoding API built-ins
+ *
+ * API specification: https://encoding.spec.whatwg.org/#api
+ * Web IDL: https://www.w3.org/TR/WebIDL/
+ */
+
+/* #include duk_internal.h -> already included */
+
+/*
+ * Data structures for encoding/decoding
+ */
+
+typedef struct {
+ duk_uint8_t *out; /* where to write next byte(s) */
+ duk_codepoint_t lead; /* lead surrogate */
+} duk__encode_context;
+
+typedef struct {
+ /* UTF-8 decoding state */
+ duk_codepoint_t codepoint; /* built up incrementally */
+ duk_uint8_t upper; /* max value of next byte (decode error otherwise) */
+ duk_uint8_t lower; /* min value of next byte (ditto) */
+ duk_uint8_t needed; /* how many more bytes we need */
+ duk_uint8_t bom_handled; /* BOM seen or no longer expected */
+
+ /* Decoder configuration */
+ duk_uint8_t fatal;
+ duk_uint8_t ignore_bom;
+} duk__decode_context;
+
+/* The signed duk_codepoint_t type is used to signal a decoded codepoint
+ * (>= 0) or various other states using negative values.
+ */
+#define DUK__CP_CONTINUE (-1) /* continue to next byte, no completed codepoint */
+#define DUK__CP_ERROR (-2) /* decoding error */
+#define DUK__CP_RETRY (-3) /* decoding error; retry last byte */
+
+/*
+ * Raw helpers for encoding/decoding
+ */
+
+/* Emit UTF-8 (= CESU-8) encoded U+FFFD (replacement char), i.e. ef bf bd. */
+DUK_LOCAL duk_uint8_t *duk__utf8_emit_repl(duk_uint8_t *ptr) {
+ *ptr++ = 0xef;
+ *ptr++ = 0xbf;
+ *ptr++ = 0xbd;
+ return ptr;
+}
+
+DUK_LOCAL void duk__utf8_decode_init(duk__decode_context *dec_ctx) {
+ /* (Re)init the decoding state of 'dec_ctx' but leave decoder
+ * configuration fields untouched.
+ */
+ dec_ctx->codepoint = 0x0000L;
+ dec_ctx->upper = 0xbf;
+ dec_ctx->lower = 0x80;
+ dec_ctx->needed = 0;
+ dec_ctx->bom_handled = 0;
+}
+
+DUK_LOCAL duk_codepoint_t duk__utf8_decode_next(duk__decode_context *dec_ctx, duk_uint8_t x) {
+ /*
+ * UTF-8 algorithm based on the Encoding specification:
+ * https://encoding.spec.whatwg.org/#utf-8-decoder
+ *
+ * Two main states: decoding initial byte vs. decoding continuation
+ * bytes. Shortest length encoding is validated by restricting the
+ * allowed range of first continuation byte using 'lower' and 'upper'.
+ */
+
+ if (dec_ctx->needed == 0) {
+ /* process initial byte */
+ if (x <= 0x7f) {
+ /* U+0000-U+007F, 1 byte (ASCII) */
+ return (duk_codepoint_t) x;
+ } else if (x >= 0xc2 && x <= 0xdf) {
+ /* U+0080-U+07FF, 2 bytes */
+ dec_ctx->needed = 1;
+ dec_ctx->codepoint = x & 0x1f;
+ DUK_ASSERT(dec_ctx->lower == 0x80);
+ DUK_ASSERT(dec_ctx->upper == 0xbf);
+ return DUK__CP_CONTINUE;
+ } else if (x >= 0xe0 && x <= 0xef) {
+ /* U+0800-U+FFFF, 3 bytes */
+ if (x == 0xe0) {
+ dec_ctx->lower = 0xa0;
+ DUK_ASSERT(dec_ctx->upper == 0xbf);
+ } else if (x == 0xed) {
+ DUK_ASSERT(dec_ctx->lower == 0x80);
+ dec_ctx->upper = 0x9f;
+ }
+ dec_ctx->needed = 2;
+ dec_ctx->codepoint = x & 0x0f;
+ return DUK__CP_CONTINUE;
+ } else if (x >= 0xf0 && x <= 0xf4) {
+ /* U+010000-U+10FFFF, 4 bytes */
+ if (x == 0xf0) {
+ dec_ctx->lower = 0x90;
+ DUK_ASSERT(dec_ctx->upper == 0xbf);
+ } else if (x == 0xf4) {
+ DUK_ASSERT(dec_ctx->lower == 0x80);
+ dec_ctx->upper = 0x8f;
+ }
+ dec_ctx->needed = 3;
+ dec_ctx->codepoint = x & 0x07;
+ return DUK__CP_CONTINUE;
+ } else {
+ /* not a legal initial byte */
+ return DUK__CP_ERROR;
+ }
+ } else {
+ /* process continuation byte */
+ if (x >= dec_ctx->lower && x <= dec_ctx->upper) {
+ dec_ctx->lower = 0x80;
+ dec_ctx->upper = 0xbf;
+ dec_ctx->codepoint = (dec_ctx->codepoint << 6) | (x & 0x3f);
+ if (--dec_ctx->needed > 0) {
+ /* need more bytes */
+ return DUK__CP_CONTINUE;
+ } else {
+ /* got a codepoint */
+ duk_codepoint_t ret;
+ DUK_ASSERT(dec_ctx->codepoint <= 0x10ffffL); /* Decoding rules guarantee. */
+ ret = dec_ctx->codepoint;
+ dec_ctx->codepoint = 0x0000L;
+ dec_ctx->needed = 0;
+ return ret;
+ }
+ } else {
+ /* We just encountered an illegal UTF-8 continuation byte. This might
+ * be the initial byte of the next character; if we return a plain
+ * error status and the decoder is in replacement mode, the character
+ * will be masked. We still need to alert the caller to the error
+ * though.
+ */
+ dec_ctx->codepoint = 0x0000L;
+ dec_ctx->needed = 0;
+ dec_ctx->lower = 0x80;
+ dec_ctx->upper = 0xbf;
+ return DUK__CP_RETRY;
+ }
+ }
+}
+
+DUK_LOCAL void duk__utf8_encode_char(void *udata, duk_codepoint_t codepoint) {
+ duk__encode_context *enc_ctx;
+
+ DUK_ASSERT(codepoint >= 0);
+ enc_ctx = (duk__encode_context *) udata;
+ DUK_ASSERT(enc_ctx != NULL);
+
+#if !defined(DUK_USE_PREFER_SIZE)
+ if (codepoint <= 0x7f && enc_ctx->lead == 0x0000L) {
+ /* Fast path for ASCII. */
+ *enc_ctx->out++ = (duk_uint8_t) codepoint;
+ return;
+ }
+#endif
+
+ if (DUK_UNLIKELY(codepoint > 0x10ffffL)) {
+ /* cannot legally encode in UTF-8 */
+ codepoint = DUK_UNICODE_CP_REPLACEMENT_CHARACTER;
+ } else if (codepoint >= 0xd800L && codepoint <= 0xdfffL) {
+ if (codepoint <= 0xdbffL) {
+ /* high surrogate */
+ duk_codepoint_t prev_lead = enc_ctx->lead;
+ enc_ctx->lead = codepoint;
+ if (prev_lead == 0x0000L) {
+ /* high surrogate, no output */
+ return;
+ } else {
+ /* consecutive high surrogates, consider first one unpaired */
+ codepoint = DUK_UNICODE_CP_REPLACEMENT_CHARACTER;
+ }
+ } else {
+ /* low surrogate */
+ if (enc_ctx->lead != 0x0000L) {
+ codepoint = 0x010000L + ((enc_ctx->lead - 0xd800L) << 10) + (codepoint - 0xdc00L);
+ enc_ctx->lead = 0x0000L;
+ } else {
+ /* unpaired low surrogate */
+ DUK_ASSERT(enc_ctx->lead == 0x0000L);
+ codepoint = DUK_UNICODE_CP_REPLACEMENT_CHARACTER;
+ }
+ }
+ } else {
+ if (enc_ctx->lead != 0x0000L) {
+ /* unpaired high surrogate: emit replacement character and the input codepoint */
+ enc_ctx->lead = 0x0000L;
+ enc_ctx->out = duk__utf8_emit_repl(enc_ctx->out);
+ }
+ }
+
+ /* Codepoint may be original input, a decoded surrogate pair, or may
+ * have been replaced with U+FFFD.
+ */
+ enc_ctx->out += duk_unicode_encode_xutf8(codepoint, enc_ctx->out);
+}
+
+/* Shared helper for buffer-to-string using a TextDecoder() compatible UTF-8
+ * decoder.
+ */
+DUK_LOCAL duk_ret_t duk__decode_helper(duk_context *ctx, duk__decode_context *dec_ctx) {
+ const duk_uint8_t *input;
+ duk_size_t len = 0;
+ duk_size_t len_tmp;
+ duk_bool_t stream = 0;
+ duk_codepoint_t codepoint;
+ duk_uint8_t *output;
+ const duk_uint8_t *in;
+ duk_uint8_t *out;
+
+ DUK_ASSERT(dec_ctx != NULL);
+
+ /* Careful with input buffer pointer: any side effects involving
+ * code execution (e.g. getters, coercion calls, and finalizers)
+ * may cause a resize and invalidate a pointer we've read. This
+ * is why the pointer is actually looked up at the last minute.
+ * Argument validation must still happen first to match WHATWG
+ * required side effect order.
+ */
+
+ if (duk_is_undefined(ctx, 0)) {
+ duk_push_fixed_buffer_nozero(ctx, 0);
+ duk_replace(ctx, 0);
+ }
+ (void) duk_require_buffer_data(ctx, 0, &len); /* Need 'len', avoid pointer. */
+
+ if (duk_check_type_mask(ctx, 1, DUK_TYPE_MASK_UNDEFINED |
+ DUK_TYPE_MASK_NULL |
+ DUK_TYPE_MASK_NONE)) {
+ /* Use defaults, treat missing value like undefined. */
+ } else {
+ duk_require_type_mask(ctx, 1, DUK_TYPE_MASK_UNDEFINED |
+ DUK_TYPE_MASK_NULL |
+ DUK_TYPE_MASK_LIGHTFUNC |
+ DUK_TYPE_MASK_BUFFER |
+ DUK_TYPE_MASK_OBJECT);
+ if (duk_get_prop_string(ctx, 1, "stream")) {
+ stream = duk_to_boolean(ctx, -1);
+ }
+ }
+
+ /* Allowance is 3*len in the general case because all bytes may potentially
+ * become U+FFFD. If the first byte completes a non-BMP codepoint it will
+ * decode to a CESU-8 surrogate pair (6 bytes) so we allow 3 extra bytes to
+ * compensate: (1*3)+3 = 6. Non-BMP codepoints are safe otherwise because
+ * the 4->6 expansion is well under the 3x allowance.
+ *
+ * XXX: As with TextEncoder, need a better buffer allocation strategy here.
+ */
+ if (len >= (DUK_HBUFFER_MAX_BYTELEN / 3) - 3) {
+ DUK_ERROR_TYPE((duk_hthread *) ctx, DUK_STR_RESULT_TOO_LONG);
+ }
+ output = (duk_uint8_t *) duk_push_fixed_buffer_nozero(ctx, 3 + (3 * len)); /* used parts will be always manually written over */
+
+ input = (const duk_uint8_t *) duk_get_buffer_data(ctx, 0, &len_tmp);
+ DUK_ASSERT(input != NULL || len == 0);
+ if (DUK_UNLIKELY(len != len_tmp)) {
+ /* Very unlikely but possible: source buffer was resized by
+ * a side effect when fixed buffer was pushed. Output buffer
+ * may not be large enough to hold output, so just fail if
+ * length has changed.
+ */
+ DUK_D(DUK_DPRINT("input buffer resized by side effect, fail"));
+ goto fail_type;
+ }
+
+ /* From this point onwards it's critical that no side effect occur
+ * which may disturb 'input': finalizer execution, property accesses,
+ * active coercions, etc. Even an allocation related mark-and-sweep
+ * may affect the pointer because it may trigger a pending finalizer.
+ */
+
+ in = input;
+ out = output;
+ while (in < input + len) {
+ codepoint = duk__utf8_decode_next(dec_ctx, *in++);
+ if (codepoint < 0) {
+ if (codepoint == DUK__CP_CONTINUE) {
+ continue;
+ }
+
+ /* Decoding error with or without retry. */
+ DUK_ASSERT(codepoint == DUK__CP_ERROR || codepoint == DUK__CP_RETRY);
+ if (codepoint == DUK__CP_RETRY) {
+ --in; /* retry last byte */
+ }
+ /* replacement mode: replace with U+FFFD */
+ codepoint = DUK_UNICODE_CP_REPLACEMENT_CHARACTER;
+ if (dec_ctx->fatal) {
+ /* fatal mode: throw a TypeError */
+ goto fail_type;
+ }
+ /* Continue with 'codepoint', Unicode replacement. */
+ }
+ DUK_ASSERT(codepoint >= 0x0000L && codepoint <= 0x10ffffL);
+
+ if (!dec_ctx->bom_handled) {
+ dec_ctx->bom_handled = 1;
+ if (codepoint == 0xfeffL && !dec_ctx->ignore_bom) {
+ continue;
+ }
+ }
+
+ out += duk_unicode_encode_cesu8(codepoint, out);
+ DUK_ASSERT(out <= output + (3 + (3 * len)));
+ }
+
+ if (!stream) {
+ if (dec_ctx->needed != 0) {
+ /* truncated sequence at end of buffer */
+ if (dec_ctx->fatal) {
+ goto fail_type;
+ } else {
+ out += duk_unicode_encode_cesu8(DUK_UNICODE_CP_REPLACEMENT_CHARACTER, out);
+ DUK_ASSERT(out <= output + (3 + (3 * len)));
+ }
+ }
+ duk__utf8_decode_init(dec_ctx); /* Initialize decoding state for potential reuse. */
+ }
+
+ /* Output buffer is fixed and thus stable even if there had been
+ * side effects (which there shouldn't be).
+ */
+ duk_push_lstring(ctx, (const char *) output, (duk_size_t) (out - output));
+ return 1;
+
+ fail_type:
+ DUK_ERROR_TYPE((duk_hthread *) ctx, DUK_STR_DECODE_FAILED);
+ DUK_UNREACHABLE();
+}
+
+/*
+ * Built-in bindings
+ */
+
+#if defined(DUK_USE_ENCODING_BUILTINS)
+DUK_INTERNAL duk_ret_t duk_bi_textencoder_constructor(duk_context *ctx) {
+ /* TextEncoder currently requires no persistent state, so the constructor
+ * does nothing on purpose.
+ */
+
+ duk_require_constructor_call(ctx);
+ return 0;
+}
+
+DUK_INTERNAL duk_ret_t duk_bi_textencoder_prototype_encoding_getter(duk_context *ctx) {
+ duk_push_string(ctx, "utf-8");
+ return 1;
+}
+
+DUK_INTERNAL duk_ret_t duk_bi_textencoder_prototype_encode(duk_context *ctx) {
+ duk__encode_context enc_ctx;
+ duk_size_t len;
+ duk_size_t final_len;
+ duk_uint8_t *output;
+
+ DUK_ASSERT_TOP(ctx, 1);
+ if (duk_is_undefined(ctx, 0)) {
+ len = 0;
+ } else {
+ duk_hstring *h_input;
+
+ h_input = duk_to_hstring(ctx, 0);
+ DUK_ASSERT(h_input != NULL);
+
+ len = (duk_size_t) DUK_HSTRING_GET_CHARLEN(h_input);
+ if (len >= DUK_HBUFFER_MAX_BYTELEN / 3) {
+ DUK_ERROR_TYPE((duk_hthread *) ctx, DUK_STR_RESULT_TOO_LONG);
+ }
+ }
+
+ /* Allowance is 3*len because all bytes can potentially be replaced with
+ * U+FFFD -- which rather inconveniently encodes to 3 bytes in UTF-8.
+ * Rely on dynamic buffer data pointer stability: no other code has
+ * access to the data pointer.
+ *
+ * XXX: The buffer allocation strategy used here is rather inefficient.
+ * Maybe switch to a chunk-based strategy, or preprocess the string to
+ * figure out the space needed ahead of time?
+ */
+ DUK_ASSERT(3 * len >= len);
+ output = (duk_uint8_t *) duk_push_dynamic_buffer(ctx, 3 * len);
+
+ if (len > 0) {
+ DUK_ASSERT(duk_is_string(ctx, 0)); /* True if len > 0. */
+
+ /* XXX: duk_decode_string() is used to process the input
+ * string. For standard Ecmascript strings, represented
+ * internally as CESU-8, this is fine. However, behavior
+ * beyond CESU-8 is not very strict: codepoints using an
+ * extended form of UTF-8 are also accepted, and invalid
+ * codepoint sequences (which are allowed in Duktape strings)
+ * are not handled as well as they could (e.g. invalid
+ * continuation bytes may mask following codepoints).
+ * This is how Ecmascript code would also see such strings.
+ * Maybe replace duk_decode_string() with an explicit strict
+ * CESU-8 decoder here?
+ */
+ enc_ctx.lead = 0x0000L;
+ enc_ctx.out = output;
+ duk_decode_string(ctx, 0, duk__utf8_encode_char, (void *) &enc_ctx);
+ if (enc_ctx.lead != 0x0000L) {
+ /* unpaired high surrogate at end of string */
+ enc_ctx.out = duk__utf8_emit_repl(enc_ctx.out);
+ DUK_ASSERT(enc_ctx.out <= output + (3 * len));
+ }
+
+ /* The output buffer is usually very much oversized, so shrink it to
+ * actually needed size. Pointer stability assumed up to this point.
+ */
+ DUK_ASSERT_TOP(ctx, 2);
+ DUK_ASSERT(output == (duk_uint8_t *) duk_get_buffer_data(ctx, -1, NULL));
+
+ final_len = (duk_size_t) (enc_ctx.out - output);
+ duk_resize_buffer(ctx, -1, final_len);
+ /* 'output' and 'enc_ctx.out' are potentially invalidated by the resize. */
+ } else {
+ final_len = 0;
+ }
+
+ /* Standard WHATWG output is a Uint8Array. Here the Uint8Array will
+ * be backed by a dynamic buffer which differs from e.g. Uint8Arrays
+ * created as 'new Uint8Array(N)'. Ecmascript code won't see the
+ * difference but C code will. When bufferobjects are not supported,
+ * returns a plain dynamic buffer.
+ */
+#if defined(DUK_USE_BUFFEROBJECT_SUPPORT)
+ duk_push_buffer_object(ctx, -1, 0, final_len, DUK_BUFOBJ_UINT8ARRAY);
+#endif
+ return 1;
+}
+
+DUK_INTERNAL duk_ret_t duk_bi_textdecoder_constructor(duk_context *ctx) {
+ duk__decode_context *dec_ctx;
+ duk_bool_t fatal = 0;
+ duk_bool_t ignore_bom = 0;
+
+ DUK_ASSERT_TOP(ctx, 2);
+ duk_require_constructor_call(ctx);
+ if (!duk_is_undefined(ctx, 0)) {
+ /* XXX: For now ignore 'label' (encoding identifier). */
+ duk_to_string(ctx, 0);
+ }
+ if (!duk_is_null_or_undefined(ctx, 1)) {
+ if (duk_get_prop_string(ctx, 1, "fatal")) {
+ fatal = duk_to_boolean(ctx, -1);
+ }
+ if (duk_get_prop_string(ctx, 1, "ignoreBOM")) {
+ ignore_bom = duk_to_boolean(ctx, -1);
+ }
+ }
+
+ duk_push_this(ctx);
+
+ /* The decode context is not assumed to be zeroed; all fields are
+ * initialized explicitly.
+ */
+ dec_ctx = (duk__decode_context *) duk_push_fixed_buffer(ctx, sizeof(duk__decode_context));
+ dec_ctx->fatal = fatal;
+ dec_ctx->ignore_bom = ignore_bom;
+ duk__utf8_decode_init(dec_ctx); /* Initializes remaining fields. */
+
+ duk_put_prop_string(ctx, -2, "\xff" "Context");
+ return 0;
+}
+
+/* Get TextDecoder context from 'this'; leaves garbage on stack. */
+DUK_LOCAL duk__decode_context *duk__get_textdecoder_context(duk_context *ctx) {
+ duk__decode_context *dec_ctx;
+ duk_push_this(ctx);
+ duk_get_prop_string(ctx, -1, "\xff" "Context");
+ dec_ctx = (duk__decode_context *) duk_require_buffer(ctx, -1, NULL);
+ DUK_ASSERT(dec_ctx != NULL);
+ return dec_ctx;
+}
+
+DUK_INTERNAL duk_ret_t duk_bi_textdecoder_prototype_shared_getter(duk_context *ctx) {
+ duk__decode_context *dec_ctx;
+ duk_int_t magic;
+
+ dec_ctx = duk__get_textdecoder_context(ctx);
+ magic = duk_get_current_magic(ctx);
+ switch (magic) {
+ case 0:
+ /* Encoding is now fixed, so _Context lookup is only needed to
+ * validate the 'this' binding (TypeError if not TextDecoder-like).
+ */
+ duk_push_string(ctx, "utf-8");
+ break;
+ case 1:
+ duk_push_boolean(ctx, dec_ctx->fatal);
+ break;
+ default:
+ duk_push_boolean(ctx, dec_ctx->ignore_bom);
+ break;
+ }
+
+ return 1;
+}
+
+DUK_INTERNAL duk_ret_t duk_bi_textdecoder_prototype_decode(duk_context *ctx) {
+ duk__decode_context *dec_ctx;
+
+ dec_ctx = duk__get_textdecoder_context(ctx);
+ return duk__decode_helper(ctx, dec_ctx);
+}
+#endif /* DUK_USE_ENCODING_BUILTINS */
+
+/*
+ * Internal helper for Node.js Buffer
+ */
+
+/* Internal helper used for Node.js Buffer .toString(). Value stack convention
+ * is currently odd: it mimics TextDecoder .decode() so that argument must be at
+ * index 0, and decode options (not present for Buffer) at index 1. Return value
+ * is a Duktape/C function return value.
+ */
+DUK_INTERNAL duk_ret_t duk_textdecoder_decode_utf8_nodejs(duk_context *ctx) {
+ duk__decode_context dec_ctx;
+
+ dec_ctx.fatal = 0; /* use replacement chars */
+ dec_ctx.ignore_bom = 1; /* ignore BOMs (matches Node.js Buffer .toString()) */
+ duk__utf8_decode_init(&dec_ctx);
+
+ return duk__decode_helper(ctx, &dec_ctx);
+}
+
+/* automatic undefs */
+#undef DUK__CP_CONTINUE
+#undef DUK__CP_ERROR
+#undef DUK__CP_RETRY
/*
* Error built-ins
*/
-/* include removed: duk_internal.h */
+/* #include duk_internal.h -> already included */
DUK_INTERNAL duk_ret_t duk_bi_error_constructor_shared(duk_context *ctx) {
/* Behavior for constructor and non-constructor call is
@@ -26964,22 +29622,22 @@ DUK_INTERNAL duk_ret_t duk_bi_error_constructor_shared(duk_context *ctx) {
DUK_UNREF(thr);
- duk_push_object_helper(ctx, flags_and_class, bidx_prototype);
+ (void) duk_push_object_helper(ctx, flags_and_class, bidx_prototype);
/* If message is undefined, the own property 'message' is not set at
* all to save property space. An empty message is inherited anyway.
*/
if (!duk_is_undefined(ctx, 0)) {
duk_to_string(ctx, 0);
- duk_dup(ctx, 0); /* [ message error message ] */
- duk_xdef_prop_stridx(ctx, -2, DUK_STRIDX_MESSAGE, DUK_PROPDESC_FLAGS_WC);
+ duk_dup_0(ctx); /* [ message error message ] */
+ duk_xdef_prop_stridx_short(ctx, -2, DUK_STRIDX_MESSAGE, DUK_PROPDESC_FLAGS_WC);
}
/* Augment the error if called as a normal function. __FILE__ and __LINE__
* are not desirable in this case.
*/
-#ifdef DUK_USE_AUGMENT_ERROR_CREATE
+#if defined(DUK_USE_AUGMENT_ERROR_CREATE)
if (!duk_is_constructor_call(ctx)) {
duk_err_augment_error_create(thr, thr, NULL, 0, 1 /*noblame_fileline*/);
}
@@ -26992,11 +29650,11 @@ DUK_INTERNAL duk_ret_t duk_bi_error_prototype_to_string(duk_context *ctx) {
/* XXX: optimize with more direct internal access */
duk_push_this(ctx);
- (void) duk_require_hobject_or_lfunc_coerce(ctx, -1);
+ (void) duk_require_hobject_promote_mask(ctx, -1, DUK_TYPE_MASK_LIGHTFUNC | DUK_TYPE_MASK_BUFFER);
/* [ ... this ] */
- duk_get_prop_stridx(ctx, -1, DUK_STRIDX_NAME);
+ duk_get_prop_stridx_short(ctx, -1, DUK_STRIDX_NAME);
if (duk_is_undefined(ctx, -1)) {
duk_pop(ctx);
duk_push_string(ctx, "Error");
@@ -27010,10 +29668,10 @@ DUK_INTERNAL duk_ret_t duk_bi_error_prototype_to_string(duk_context *ctx) {
* accident or are they actually needed? The first ToString()
* could conceivably return 'undefined'.
*/
- duk_get_prop_stridx(ctx, -2, DUK_STRIDX_MESSAGE);
+ duk_get_prop_stridx_short(ctx, -2, DUK_STRIDX_MESSAGE);
if (duk_is_undefined(ctx, -1)) {
duk_pop(ctx);
- duk_push_string(ctx, "");
+ duk_push_hstring_empty(ctx);
} else {
duk_to_string(ctx, -1);
}
@@ -27074,7 +29732,7 @@ DUK_LOCAL duk_ret_t duk__error_getter_helper(duk_context *ctx, duk_small_int_t o
DUK_UNREF(thr);
duk_push_this(ctx);
- duk_get_prop_stridx(ctx, -1, DUK_STRIDX_INT_TRACEDATA);
+ duk_get_prop_stridx_short(ctx, -1, DUK_STRIDX_INT_TRACEDATA);
idx_td = duk_get_top_index(ctx);
duk_push_hstring_stridx(ctx, DUK_STRIDX_NEWLINE_4SPACE);
@@ -27099,7 +29757,7 @@ DUK_LOCAL duk_ret_t duk__error_getter_helper(duk_context *ctx, duk_small_int_t o
duk_require_stack(ctx, 5);
duk_get_prop_index(ctx, idx_td, i);
duk_get_prop_index(ctx, idx_td, i + 1);
- d = duk_to_number(ctx, -1);
+ d = duk_to_number_m1(ctx);
pc = (duk_int_t) DUK_FMOD(d, DUK_DOUBLE_2TO32);
flags = (duk_int_t) DUK_FLOOR(d / DUK_DOUBLE_2TO32);
t = (duk_small_int_t) duk_get_type(ctx, -2);
@@ -27115,8 +29773,12 @@ DUK_LOCAL duk_ret_t duk__error_getter_helper(duk_context *ctx, duk_small_int_t o
h_func = duk_get_hobject(ctx, -2); /* NULL for lightfunc */
- duk_get_prop_stridx(ctx, -2, DUK_STRIDX_NAME);
- duk_get_prop_stridx(ctx, -3, DUK_STRIDX_FILE_NAME);
+ /* These may be systematically omitted by Duktape
+ * with certain config options, but allow user to
+ * set them on a case-by-case basis.
+ */
+ duk_get_prop_stridx_short(ctx, -2, DUK_STRIDX_NAME);
+ duk_get_prop_stridx_short(ctx, -3, DUK_STRIDX_FILE_NAME);
#if defined(DUK_USE_PC2LINE)
line = duk_hobject_pc2line_query(ctx, -4, (duk_uint_fast32_t) pc);
@@ -27129,7 +29791,7 @@ DUK_LOCAL duk_ret_t duk__error_getter_helper(duk_context *ctx, duk_small_int_t o
/* When looking for .fileName/.lineNumber, blame first
* function which has a .fileName.
*/
- if (duk_is_string(ctx, -1)) {
+ if (duk_is_string_notsymbol(ctx, -1)) {
if (output_type == DUK__OUTPUT_TYPE_FILENAME) {
return 1;
} else if (output_type == DUK__OUTPUT_TYPE_LINENUMBER) {
@@ -27140,10 +29802,10 @@ DUK_LOCAL duk_ret_t duk__error_getter_helper(duk_context *ctx, duk_small_int_t o
/* XXX: Change 'anon' handling here too, to use empty string for anonymous functions? */
/* XXX: Could be improved by coercing to a readable duk_tval (especially string escaping) */
- h_name = duk_get_hstring(ctx, -2); /* may be NULL */
+ h_name = duk_get_hstring_notsymbol(ctx, -2); /* may be NULL */
funcname = (h_name == NULL || h_name == DUK_HTHREAD_STRING_EMPTY_STRING(thr)) ?
"[anon]" : (const char *) DUK_HSTRING_GET_DATA(h_name);
- filename = duk_get_string(ctx, -1);
+ filename = duk_get_string_notsymbol(ctx, -1);
filename = filename ? filename : "";
DUK_ASSERT(funcname != NULL);
DUK_ASSERT(filename != NULL);
@@ -27156,7 +29818,7 @@ DUK_LOCAL duk_ret_t duk__error_getter_helper(duk_context *ctx, duk_small_int_t o
(const char *) ((flags & DUK_ACT_FLAG_CONSTRUCT) ? str_construct : str_empty),
(const char *) ((flags & DUK_ACT_FLAG_DIRECT_EVAL) ? str_directeval : str_empty),
(const char *) ((flags & DUK_ACT_FLAG_PREVENT_YIELD) ? str_prevyield : str_empty));
- } else if (DUK_HOBJECT_HAS_NATIVEFUNCTION(h_func)) {
+ } else if (DUK_HOBJECT_HAS_NATFUNC(h_func)) {
duk_push_sprintf(ctx, "at %s (%s) native%s%s%s%s%s",
(const char *) funcname,
(const char *) filename,
@@ -27177,8 +29839,10 @@ DUK_LOCAL duk_ret_t duk__error_getter_helper(duk_context *ctx, duk_small_int_t o
(const char *) ((flags & DUK_ACT_FLAG_PREVENT_YIELD) ? str_prevyield : str_empty));
}
duk_replace(ctx, -5); /* [ ... v1 v2 name filename str ] -> [ ... str v2 name filename ] */
- duk_pop_n(ctx, 3); /* -> [ ... str ] */
+ duk_pop_3(ctx); /* -> [ ... str ] */
} else if (t == DUK_TYPE_STRING) {
+ const char *str_file;
+
/*
* __FILE__ / __LINE__ entry, here 'pc' is line number directly.
* Sometimes __FILE__ / __LINE__ is reported as the source for
@@ -27200,8 +29864,14 @@ DUK_LOCAL duk_ret_t duk__error_getter_helper(duk_context *ctx, duk_small_int_t o
}
}
+ /* Tracedata is trusted but avoid any risk of using a NULL
+ * for %s format because it has undefined behavior. Symbols
+ * don't need to be explicitly rejected as they pose no memory
+ * safety issues.
+ */
+ str_file = (const char *) duk_get_string(ctx, -2);
duk_push_sprintf(ctx, "at [anon] (%s:%ld) internal",
- (const char *) duk_get_string(ctx, -2), (long) pc);
+ (const char *) (str_file ? str_file : "null"), (long) pc);
duk_replace(ctx, -3); /* [ ... v1 v2 str ] -> [ ... str v2 ] */
duk_pop(ctx); /* -> [ ... str ] */
} else {
@@ -27250,10 +29920,6 @@ DUK_INTERNAL duk_ret_t duk_bi_error_prototype_linenumber_getter(duk_context *ctx
return duk__error_getter_helper(ctx, DUK__OUTPUT_TYPE_LINENUMBER);
}
-#undef DUK__OUTPUT_TYPE_TRACEBACK
-#undef DUK__OUTPUT_TYPE_FILENAME
-#undef DUK__OUTPUT_TYPE_LINENUMBER
-
#else /* DUK_USE_TRACEBACKS */
/*
@@ -27299,7 +29965,7 @@ DUK_LOCAL duk_ret_t duk__error_setter_helper(duk_context *ctx, duk_small_uint_t
duk_push_this(ctx);
duk_push_hstring_stridx(ctx, (duk_small_int_t) stridx_key);
- duk_dup(ctx, 0);
+ duk_dup_0(ctx);
/* [ ... obj key value ] */
@@ -27324,20 +29990,32 @@ DUK_INTERNAL duk_ret_t duk_bi_error_prototype_filename_setter(duk_context *ctx)
DUK_INTERNAL duk_ret_t duk_bi_error_prototype_linenumber_setter(duk_context *ctx) {
return duk__error_setter_helper(ctx, DUK_STRIDX_LINE_NUMBER);
}
-#line 1 "duk_bi_function.c"
+
+/* automatic undefs */
+#undef DUK__OUTPUT_TYPE_FILENAME
+#undef DUK__OUTPUT_TYPE_LINENUMBER
+#undef DUK__OUTPUT_TYPE_TRACEBACK
/*
* Function built-ins
*/
-/* include removed: duk_internal.h */
+/* #include duk_internal.h -> already included */
+/* Needed even when Function built-in is disabled. */
+DUK_INTERNAL duk_ret_t duk_bi_function_prototype(duk_context *ctx) {
+ /* ignore arguments, return undefined (E5 Section 15.3.4) */
+ DUK_UNREF(ctx);
+ return 0;
+}
+
+#if defined(DUK_USE_FUNCTION_BUILTIN)
DUK_INTERNAL duk_ret_t duk_bi_function_constructor(duk_context *ctx) {
duk_hthread *thr = (duk_hthread *) ctx;
duk_hstring *h_sourcecode;
duk_idx_t nargs;
duk_idx_t i;
duk_small_uint_t comp_flags;
- duk_hcompiledfunction *func;
+ duk_hcompfunc *func;
duk_hobject *outer_lex_env;
duk_hobject *outer_var_env;
@@ -27345,15 +30023,15 @@ DUK_INTERNAL duk_ret_t duk_bi_function_constructor(duk_context *ctx) {
nargs = duk_get_top(ctx);
for (i = 0; i < nargs; i++) {
- duk_to_string(ctx, i);
+ duk_to_string(ctx, i); /* Rejects Symbols during coercion. */
}
if (nargs == 0) {
- duk_push_string(ctx, "");
- duk_push_string(ctx, "");
+ duk_push_hstring_empty(ctx);
+ duk_push_hstring_empty(ctx);
} else if (nargs == 1) {
/* XXX: cover this with the generic >1 case? */
- duk_push_string(ctx, "");
+ duk_push_hstring_empty(ctx);
} else {
duk_insert(ctx, 0); /* [ arg1 ... argN-1 body] -> [body arg1 ... argN-1] */
duk_push_string(ctx, ",");
@@ -27369,9 +30047,9 @@ DUK_INTERNAL duk_ret_t duk_bi_function_constructor(duk_context *ctx) {
* It will fail in corner cases; see test-dev-func-cons-args.js.
*/
duk_push_string(ctx, "function(");
- duk_dup(ctx, 1);
+ duk_dup_1(ctx);
duk_push_string(ctx, "){");
- duk_dup(ctx, 0);
+ duk_dup_0(ctx);
duk_push_string(ctx, "}");
duk_concat(ctx, 5);
@@ -27383,14 +30061,19 @@ DUK_INTERNAL duk_ret_t duk_bi_function_constructor(duk_context *ctx) {
comp_flags = DUK_JS_COMPILE_FLAG_FUNCEXPR;
duk_push_hstring_stridx(ctx, DUK_STRIDX_COMPILE); /* XXX: copy from caller? */ /* XXX: ignored now */
- h_sourcecode = duk_require_hstring(ctx, -2);
+ h_sourcecode = duk_require_hstring(ctx, -2); /* no symbol check needed; -2 is concat'd code */
duk_js_compile(thr,
(const duk_uint8_t *) DUK_HSTRING_GET_DATA(h_sourcecode),
(duk_size_t) DUK_HSTRING_GET_BYTELEN(h_sourcecode),
comp_flags);
- func = (duk_hcompiledfunction *) duk_get_hobject(ctx, -1);
- DUK_ASSERT(func != NULL);
- DUK_ASSERT(DUK_HOBJECT_IS_COMPILEDFUNCTION((duk_hobject *) func));
+
+ /* Force .name to 'anonymous' (ES2015). */
+ duk_push_string(ctx, "anonymous");
+ duk_xdef_prop_stridx_short(ctx, -2, DUK_STRIDX_NAME, DUK_PROPDESC_FLAGS_C);
+
+ func = (duk_hcompfunc *) duk_known_hobject(ctx, -1);
+ DUK_ASSERT(DUK_HOBJECT_IS_COMPFUNC((duk_hobject *) func));
+ DUK_ASSERT(DUK_HOBJECT_HAS_CONSTRUCTABLE((duk_hobject *) func));
/* [ body formals source template ] */
@@ -27407,36 +30090,34 @@ DUK_INTERNAL duk_ret_t duk_bi_function_constructor(duk_context *ctx) {
return 1;
}
+#endif /* DUK_USE_FUNCTION_BUILTIN */
-DUK_INTERNAL duk_ret_t duk_bi_function_prototype(duk_context *ctx) {
- /* ignore arguments, return undefined (E5 Section 15.3.4) */
- DUK_UNREF(ctx);
- return 0;
-}
-
+#if defined(DUK_USE_FUNCTION_BUILTIN)
DUK_INTERNAL duk_ret_t duk_bi_function_prototype_to_string(duk_context *ctx) {
duk_tval *tv;
/*
* E5 Section 15.3.4.2 places few requirements on the output of
- * this function:
+ * this function: the result is implementation dependent, must
+ * follow FunctionDeclaration syntax (in particular, must have a
+ * name even for anonymous functions or functions with empty name).
+ * The output does NOT need to compile into anything useful.
+ *
+ * E6 Section 19.2.3.5 changes the requirements completely: the
+ * result must either eval() to a functionally equivalent object
+ * OR eval() to a SyntaxError.
*
- * - The result is an implementation dependent representation
- * of the function; in particular
+ * We opt for the SyntaxError approach for now, with a syntax that
+ * mimics V8's native function syntax:
*
- * - The result must follow the syntax of a FunctionDeclaration.
- * In particular, the function must have a name (even in the
- * case of an anonymous function or a function with an empty
- * name).
+ * 'function cos() { [native code] }'
*
- * - Note in particular that the output does NOT need to compile
- * into anything useful.
+ * but extended with [ecmascript code], [bound code], and
+ * [lightfunc code].
*/
-
- /* XXX: faster internal way to get this */
duk_push_this(ctx);
- tv = duk_get_tval(ctx, -1);
+ tv = DUK_GET_TVAL_NEGIDX(ctx, -1);
DUK_ASSERT(tv != NULL);
if (DUK_TVAL_IS_OBJECT(tv)) {
@@ -27444,12 +30125,13 @@ DUK_INTERNAL duk_ret_t duk_bi_function_prototype_to_string(duk_context *ctx) {
const char *func_name;
/* Function name: missing/undefined is mapped to empty string,
- * otherwise coerce to string.
+ * otherwise coerce to string. No handling for invalid identifier
+ * characters or e.g. '{' in the function name. This doesn't
+ * really matter as long as a SyntaxError results. Technically
+ * if the name contained a suitable prefix followed by '//' it
+ * might cause the result to parse without error.
*/
- /* XXX: currently no handling for non-allowed identifier characters,
- * e.g. a '{' in the function name.
- */
- duk_get_prop_stridx(ctx, -1, DUK_STRIDX_NAME);
+ duk_get_prop_stridx_short(ctx, -1, DUK_STRIDX_NAME);
if (duk_is_undefined(ctx, -1)) {
func_name = "";
} else {
@@ -27457,15 +30139,12 @@ DUK_INTERNAL duk_ret_t duk_bi_function_prototype_to_string(duk_context *ctx) {
DUK_ASSERT(func_name != NULL);
}
- /* Indicate function type in the function body using a dummy
- * directive.
- */
- if (DUK_HOBJECT_HAS_COMPILEDFUNCTION(obj)) {
- duk_push_sprintf(ctx, "function %s() {\"ecmascript\"}", (const char *) func_name);
- } else if (DUK_HOBJECT_HAS_NATIVEFUNCTION(obj)) {
- duk_push_sprintf(ctx, "function %s() {\"native\"}", (const char *) func_name);
- } else if (DUK_HOBJECT_HAS_BOUND(obj)) {
- duk_push_sprintf(ctx, "function %s() {\"bound\"}", (const char *) func_name);
+ if (DUK_HOBJECT_IS_COMPFUNC(obj)) {
+ duk_push_sprintf(ctx, "function %s() { [ecmascript code] }", (const char *) func_name);
+ } else if (DUK_HOBJECT_IS_NATFUNC(obj)) {
+ duk_push_sprintf(ctx, "function %s() { [native code] }", (const char *) func_name);
+ } else if (DUK_HOBJECT_IS_BOUNDFUNC(obj)) {
+ duk_push_sprintf(ctx, "function %s() { [bound code] }", (const char *) func_name);
} else {
goto type_error;
}
@@ -27478,40 +30157,76 @@ DUK_INTERNAL duk_ret_t duk_bi_function_prototype_to_string(duk_context *ctx) {
return 1;
type_error:
- return DUK_RET_TYPE_ERROR;
+ DUK_DCERROR_TYPE_INVALID_ARGS((duk_hthread *) ctx);
}
+#endif
+#if defined(DUK_USE_FUNCTION_BUILTIN) || defined(DUK_USE_REFLECT_BUILTIN)
DUK_INTERNAL duk_ret_t duk_bi_function_prototype_apply(duk_context *ctx) {
+ /*
+ * magic = 0: Function.prototype.apply()
+ * magic = 1: Reflect.apply()
+ * magic = 2: Reflect.construct()
+ */
+
+ duk_idx_t idx_args;
duk_idx_t len;
duk_idx_t i;
+ duk_int_t magic;
+ duk_idx_t nargs;
+ duk_uint_t mask;
- DUK_ASSERT_TOP(ctx, 2); /* not a vararg function */
-
- duk_push_this(ctx);
- if (!duk_is_callable(ctx, -1)) {
- DUK_DDD(DUK_DDDPRINT("func is not callable"));
- goto type_error;
+ magic = duk_get_current_magic(ctx);
+ switch (magic) {
+ case 0: /* Function.prototype.apply() */
+ DUK_ASSERT_TOP(ctx, 2); /* not a vararg function */
+ duk_push_this(ctx);
+ duk_insert(ctx, 0);
+ /* Fall through intentionally for shared handling. */
+ case 1: /* Reflect.apply(); Function.prototype.apply() after 'this' fixup. */
+ DUK_ASSERT_TOP(ctx, 3); /* not a vararg function */
+ idx_args = 2;
+ duk_require_callable(ctx, 0);
+ break;
+ default: /* Reflect.construct() */
+ DUK_ASSERT(magic == 2);
+ duk_require_constructable(ctx, 0);
+ nargs = duk_get_top(ctx);
+ if (nargs < 2) {
+ DUK_DCERROR_TYPE_INVALID_ARGS((duk_hthread *) ctx);
+ }
+ if (nargs >= 3 && !duk_strict_equals(ctx, 0, 2)) {
+ /* XXX: [[Construct]] newTarget currently unsupported */
+ DUK_ERROR_UNSUPPORTED((duk_hthread *) ctx);
+ }
+ idx_args = 1;
+ break;
}
- duk_insert(ctx, 0);
- DUK_ASSERT_TOP(ctx, 3);
- DUK_DDD(DUK_DDDPRINT("func=%!iT, thisArg=%!iT, argArray=%!iT",
- (duk_tval *) duk_get_tval(ctx, 0),
- (duk_tval *) duk_get_tval(ctx, 1),
- (duk_tval *) duk_get_tval(ctx, 2)));
+ if (magic != 2) {
+ DUK_DDD(DUK_DDDPRINT("func=%!iT, thisArg=%!iT, argArray=%!iT",
+ (duk_tval *) duk_get_tval(ctx, 0),
+ (duk_tval *) duk_get_tval(ctx, 1),
+ (duk_tval *) duk_get_tval(ctx, 2)));
+ } else {
+ /* thisArg is not applicable for Reflect.construct(). */
+ DUK_DDD(DUK_DDDPRINT("func=%!iT, argArray=%!iT",
+ (duk_tval *) duk_get_tval(ctx, 0),
+ (duk_tval *) duk_get_tval(ctx, 1)));
+ }
- /* [ func thisArg argArray ] */
+ /* [ func thisArg? argArray ] */
- if (duk_is_null_or_undefined(ctx, 2)) {
+ mask = duk_get_type_mask(ctx, idx_args);
+ if (mask & (DUK_TYPE_MASK_NULL | DUK_TYPE_MASK_UNDEFINED)) {
DUK_DDD(DUK_DDDPRINT("argArray is null/undefined, no args"));
len = 0;
- } else if (!duk_is_object(ctx, 2)) {
- goto type_error;
- } else {
+ } else if (mask & DUK_TYPE_MASK_OBJECT) {
DUK_DDD(DUK_DDDPRINT("argArray is an object"));
/* XXX: make this an internal helper */
- duk_get_prop_stridx(ctx, 2, DUK_STRIDX_LENGTH);
+ DUK_ASSERT(idx_args >= 0 && idx_args <= 0x7fffL); /* short variants would work, but avoid shifting */
+ duk_get_prop_stridx(ctx, idx_args, DUK_STRIDX_LENGTH);
len = (duk_idx_t) duk_to_uint32(ctx, -1); /* ToUint32() coercion required */
duk_pop(ctx);
@@ -27519,25 +30234,38 @@ DUK_INTERNAL duk_ret_t duk_bi_function_prototype_apply(duk_context *ctx) {
DUK_DDD(DUK_DDDPRINT("argArray length is %ld", (long) len));
for (i = 0; i < len; i++) {
- duk_get_prop_index(ctx, 2, i);
+ duk_get_prop_index(ctx, idx_args, i);
}
+ } else {
+ goto type_error;
}
- duk_remove(ctx, 2);
- DUK_ASSERT_TOP(ctx, 2 + len);
+ duk_remove(ctx, idx_args);
+ DUK_ASSERT_TOP(ctx, idx_args + len);
- /* [ func thisArg arg1 ... argN ] */
+ /* [ func thisArg? arg1 ... argN ] */
- DUK_DDD(DUK_DDDPRINT("apply, func=%!iT, thisArg=%!iT, len=%ld",
- (duk_tval *) duk_get_tval(ctx, 0),
- (duk_tval *) duk_get_tval(ctx, 1),
- (long) len));
- duk_call_method(ctx, len);
+ if (magic != 2) {
+ /* Function.prototype.apply() or Reflect.apply() */
+ DUK_DDD(DUK_DDDPRINT("apply, func=%!iT, thisArg=%!iT, len=%ld",
+ (duk_tval *) duk_get_tval(ctx, 0),
+ (duk_tval *) duk_get_tval(ctx, 1),
+ (long) len));
+ duk_call_method(ctx, len);
+ } else {
+ /* Reflect.construct() */
+ DUK_DDD(DUK_DDDPRINT("construct, func=%!iT, len=%ld",
+ (duk_tval *) duk_get_tval(ctx, 0),
+ (long) len));
+ duk_new(ctx, len);
+ }
return 1;
type_error:
- return DUK_RET_TYPE_ERROR;
+ DUK_DCERROR_TYPE_INVALID_ARGS((duk_hthread *) ctx);
}
+#endif
+#if defined(DUK_USE_FUNCTION_BUILTIN)
DUK_INTERNAL duk_ret_t duk_bi_function_prototype_call(duk_context *ctx) {
duk_idx_t nargs;
@@ -27568,7 +30296,9 @@ DUK_INTERNAL duk_ret_t duk_bi_function_prototype_call(duk_context *ctx) {
duk_call_method(ctx, nargs - 1);
return 1;
}
+#endif /* DUK_USE_FUNCTION_BUILTIN */
+#if defined(DUK_USE_FUNCTION_BUILTIN)
/* XXX: the implementation now assumes "chained" bound functions,
* whereas "collapsed" bound functions (where there is ever only
* one bound function which directly points to a non-bound, final
@@ -27576,6 +30306,7 @@ DUK_INTERNAL duk_ret_t duk_bi_function_prototype_call(duk_context *ctx) {
* merges argument lists etc here.
*/
DUK_INTERNAL duk_ret_t duk_bi_function_prototype_bind(duk_context *ctx) {
+ duk_hthread *thr = (duk_hthread *) ctx;
duk_hobject *h_bound;
duk_hobject *h_target;
duk_idx_t nargs;
@@ -27590,30 +30321,26 @@ DUK_INTERNAL duk_ret_t duk_bi_function_prototype_bind(duk_context *ctx) {
DUK_ASSERT(nargs >= 1);
duk_push_this(ctx);
- if (!duk_is_callable(ctx, -1)) {
- DUK_DDD(DUK_DDDPRINT("func is not callable"));
- goto type_error;
- }
+ duk_require_callable(ctx, -1);
/* [ thisArg arg1 ... argN func ] (thisArg+args == nargs total) */
DUK_ASSERT_TOP(ctx, nargs + 1);
/* create bound function object */
- duk_push_object_helper(ctx,
- DUK_HOBJECT_FLAG_EXTENSIBLE |
- DUK_HOBJECT_FLAG_BOUND |
- DUK_HOBJECT_FLAG_CONSTRUCTABLE |
- DUK_HOBJECT_CLASS_AS_FLAGS(DUK_HOBJECT_CLASS_FUNCTION),
- DUK_BIDX_FUNCTION_PROTOTYPE);
- h_bound = duk_get_hobject(ctx, -1);
+ h_bound = duk_push_object_helper(ctx,
+ DUK_HOBJECT_FLAG_EXTENSIBLE |
+ DUK_HOBJECT_FLAG_BOUNDFUNC |
+ DUK_HOBJECT_FLAG_CONSTRUCTABLE |
+ DUK_HOBJECT_CLASS_AS_FLAGS(DUK_HOBJECT_CLASS_FUNCTION),
+ DUK_BIDX_FUNCTION_PROTOTYPE);
DUK_ASSERT(h_bound != NULL);
/* [ thisArg arg1 ... argN func boundFunc ] */
- duk_dup(ctx, -2); /* func */
- duk_xdef_prop_stridx(ctx, -2, DUK_STRIDX_INT_TARGET, DUK_PROPDESC_FLAGS_NONE);
+ duk_dup_m2(ctx); /* func */
+ duk_xdef_prop_stridx_short(ctx, -2, DUK_STRIDX_INT_TARGET, DUK_PROPDESC_FLAGS_NONE);
- duk_dup(ctx, 0); /* thisArg */
- duk_xdef_prop_stridx(ctx, -2, DUK_STRIDX_INT_THIS, DUK_PROPDESC_FLAGS_NONE);
+ duk_dup_0(ctx); /* thisArg */
+ duk_xdef_prop_stridx_short(ctx, -2, DUK_STRIDX_INT_THIS, DUK_PROPDESC_FLAGS_NONE);
duk_push_array(ctx);
@@ -27623,35 +30350,55 @@ DUK_INTERNAL duk_ret_t duk_bi_function_prototype_bind(duk_context *ctx) {
duk_dup(ctx, 1 + i);
duk_put_prop_index(ctx, -2, i);
}
- duk_xdef_prop_stridx(ctx, -2, DUK_STRIDX_INT_ARGS, DUK_PROPDESC_FLAGS_NONE);
+ duk_xdef_prop_stridx_short(ctx, -2, DUK_STRIDX_INT_ARGS, DUK_PROPDESC_FLAGS_NONE);
/* [ thisArg arg1 ... argN func boundFunc ] */
- /* bound function 'length' property is interesting */
h_target = duk_get_hobject(ctx, -2);
+
+ /* internal prototype must be copied from the target */
+ if (h_target != NULL) {
+ /* For lightfuncs Function.prototype is used and is already in place. */
+ DUK_HOBJECT_SET_PROTOTYPE_UPDREF(thr, h_bound, DUK_HOBJECT_GET_PROTOTYPE(thr->heap, h_target));
+ }
+
+ /* bound function 'length' property is interesting */
if (h_target == NULL || /* lightfunc */
DUK_HOBJECT_GET_CLASS_NUMBER(h_target) == DUK_HOBJECT_CLASS_FUNCTION) {
/* For lightfuncs, simply read the virtual property. */
duk_int_t tmp;
- duk_get_prop_stridx(ctx, -2, DUK_STRIDX_LENGTH);
+ duk_get_prop_stridx_short(ctx, -2, DUK_STRIDX_LENGTH);
tmp = duk_to_int(ctx, -1) - (nargs - 1); /* step 15.a */
duk_pop(ctx);
duk_push_int(ctx, (tmp < 0 ? 0 : tmp));
} else {
duk_push_int(ctx, 0);
}
- duk_xdef_prop_stridx(ctx, -2, DUK_STRIDX_LENGTH, DUK_PROPDESC_FLAGS_NONE); /* attrs in E5 Section 15.3.5.1 */
+ duk_xdef_prop_stridx_short(ctx, -2, DUK_STRIDX_LENGTH, DUK_PROPDESC_FLAGS_C); /* attrs in E6 Section 9.2.4 */
/* caller and arguments must use the same thrower, [[ThrowTypeError]] */
- duk_xdef_prop_stridx_thrower(ctx, -1, DUK_STRIDX_CALLER, DUK_PROPDESC_FLAGS_NONE);
- duk_xdef_prop_stridx_thrower(ctx, -1, DUK_STRIDX_LC_ARGUMENTS, DUK_PROPDESC_FLAGS_NONE);
+ duk_xdef_prop_stridx_thrower(ctx, -1, DUK_STRIDX_CALLER);
+ duk_xdef_prop_stridx_thrower(ctx, -1, DUK_STRIDX_LC_ARGUMENTS);
- /* these non-standard properties are copied for convenience */
/* XXX: 'copy properties' API call? */
- duk_get_prop_stridx(ctx, -2, DUK_STRIDX_NAME);
- duk_xdef_prop_stridx(ctx, -2, DUK_STRIDX_NAME, DUK_PROPDESC_FLAGS_WC);
- duk_get_prop_stridx(ctx, -2, DUK_STRIDX_FILE_NAME);
- duk_xdef_prop_stridx(ctx, -2, DUK_STRIDX_FILE_NAME, DUK_PROPDESC_FLAGS_WC);
+#if defined(DUK_USE_FUNC_NAME_PROPERTY)
+ duk_push_string(ctx, "bound "); /* ES2015 19.2.3.2. */
+ duk_get_prop_stridx_short(ctx, -3, DUK_STRIDX_NAME);
+ if (!duk_is_string_notsymbol(ctx, -1)) {
+ /* ES2015 has requirement to check that .name of target is a string
+ * (also must check for Symbol); if not, targetName should be the
+ * empty string. ES2015 19.2.3.2.
+ */
+ duk_pop(ctx);
+ duk_push_hstring_empty(ctx);
+ }
+ duk_concat(ctx, 2);
+ duk_xdef_prop_stridx_short(ctx, -2, DUK_STRIDX_NAME, DUK_PROPDESC_FLAGS_C);
+#endif
+#if defined(DUK_USE_FUNC_FILENAME_PROPERTY)
+ duk_get_prop_stridx_short(ctx, -2, DUK_STRIDX_FILE_NAME);
+ duk_xdef_prop_stridx_short(ctx, -2, DUK_STRIDX_FILE_NAME, DUK_PROPDESC_FLAGS_C);
+#endif
/* The 'strict' flag is copied to get the special [[Get]] of E5.1
* Section 15.3.5.4 to apply when a 'caller' value is a strict bound
@@ -27667,16 +30414,13 @@ DUK_INTERNAL duk_ret_t duk_bi_function_prototype_bind(duk_context *ctx) {
DUK_DDD(DUK_DDDPRINT("created bound function: %!iT", (duk_tval *) duk_get_tval(ctx, -1)));
return 1;
-
- type_error:
- return DUK_RET_TYPE_ERROR;
}
-#line 1 "duk_bi_global.c"
+#endif /* DUK_USE_FUNCTION_BUILTIN */
/*
* Global object built-ins
*/
-/* include removed: duk_internal.h */
+/* #include duk_internal.h -> already included */
/*
* Encoding/decoding helpers
@@ -27744,7 +30488,7 @@ DUK_LOCAL const duk_uint8_t duk__decode_uri_component_reserved_table[16] = {
DUK__MKBITS(0, 0, 0, 0, 0, 0, 0, 0), DUK__MKBITS(0, 0, 0, 0, 0, 0, 0, 0), /* 0x70-0x7f */
};
-#ifdef DUK_USE_SECTION_B
+#if defined(DUK_USE_SECTION_B)
/* E5.1 Section B.2.2, step 7. */
DUK_LOCAL const duk_uint8_t duk__escape_unescaped_table[16] = {
DUK__MKBITS(0, 0, 0, 0, 0, 0, 0, 0), DUK__MKBITS(0, 0, 0, 0, 0, 0, 0, 0), /* 0x00-0x0f */
@@ -27758,8 +30502,6 @@ DUK_LOCAL const duk_uint8_t duk__escape_unescaped_table[16] = {
};
#endif /* DUK_USE_SECTION_B */
-#undef DUK__MKBITS
-
typedef struct {
duk_hthread *thr;
duk_hstring *h_str;
@@ -27813,7 +30555,7 @@ DUK_LOCAL int duk__transform_helper(duk_context *ctx, duk__transform_callback ca
DUK_BW_COMPACT(thr, &tfm_ctx->bw);
- duk_to_string(ctx, -1);
+ (void) duk_buffer_to_string(ctx, -1); /* Safe if transform is safe. */
return 1;
}
@@ -27865,7 +30607,7 @@ DUK_LOCAL void duk__transform_callback_encode_uri(duk__transform_context *tfm_ct
len = duk_unicode_encode_xutf8((duk_ucodepoint_t) cp, xutf8_buf);
for (i = 0; i < len; i++) {
- t = (int) xutf8_buf[i];
+ t = (duk_small_int_t) xutf8_buf[i];
DUK_BW_WRITE_RAW_U8_3(tfm_ctx->thr,
&tfm_ctx->bw,
DUK_ASC_PERCENT,
@@ -27876,7 +30618,7 @@ DUK_LOCAL void duk__transform_callback_encode_uri(duk__transform_context *tfm_ct
return;
uri_error:
- DUK_ERROR(tfm_ctx->thr, DUK_ERR_URI_ERROR, "invalid input");
+ DUK_ERROR_URI(tfm_ctx->thr, DUK_STR_INVALID_INPUT);
}
DUK_LOCAL void duk__transform_callback_decode_uri(duk__transform_context *tfm_ctx, const void *udata, duk_codepoint_t cp) {
@@ -28014,10 +30756,10 @@ DUK_LOCAL void duk__transform_callback_decode_uri(duk__transform_context *tfm_ct
return;
uri_error:
- DUK_ERROR(tfm_ctx->thr, DUK_ERR_URI_ERROR, "invalid input");
+ DUK_ERROR_URI(tfm_ctx->thr, DUK_STR_INVALID_INPUT);
}
-#ifdef DUK_USE_SECTION_B
+#if defined(DUK_USE_SECTION_B)
DUK_LOCAL void duk__transform_callback_escape(duk__transform_context *tfm_ctx, const void *udata, duk_codepoint_t cp) {
DUK_UNREF(udata);
@@ -28054,7 +30796,7 @@ DUK_LOCAL void duk__transform_callback_escape(duk__transform_context *tfm_ctx, c
return;
esc_error:
- DUK_ERROR_TYPE(tfm_ctx->thr, "invalid input");
+ DUK_ERROR_TYPE(tfm_ctx->thr, DUK_STR_INVALID_INPUT);
}
DUK_LOCAL void duk__transform_callback_unescape(duk__transform_context *tfm_ctx, const void *udata, duk_codepoint_t cp) {
@@ -28098,7 +30840,7 @@ DUK_INTERNAL duk_ret_t duk_bi_global_object_eval(duk_context *ctx) {
duk_activation *act_caller;
duk_activation *act_eval;
duk_activation *act;
- duk_hcompiledfunction *func;
+ duk_hcompfunc *func;
duk_hobject *outer_lex_env;
duk_hobject *outer_var_env;
duk_bool_t this_to_global = 1;
@@ -28118,8 +30860,9 @@ DUK_INTERNAL duk_ret_t duk_bi_global_object_eval(duk_context *ctx) {
* activation doesn't exist, call must be indirect.
*/
- h = duk_get_hstring(ctx, 0);
+ h = duk_get_hstring_notsymbol(ctx, 0);
if (!h) {
+ /* Symbol must be returned as is, like any non-string values. */
return 1; /* return arg as-is */
}
@@ -28161,9 +30904,8 @@ DUK_INTERNAL duk_ret_t duk_bi_global_object_eval(duk_context *ctx) {
(const duk_uint8_t *) DUK_HSTRING_GET_DATA(h),
(duk_size_t) DUK_HSTRING_GET_BYTELEN(h),
comp_flags);
- func = (duk_hcompiledfunction *) duk_get_hobject(ctx, -1);
- DUK_ASSERT(func != NULL);
- DUK_ASSERT(DUK_HOBJECT_IS_COMPILEDFUNCTION((duk_hobject *) func));
+ func = (duk_hcompfunc *) duk_known_hobject(ctx, -1);
+ DUK_ASSERT(DUK_HOBJECT_IS_COMPFUNC((duk_hobject *) func));
/* [ source template ] */
@@ -28194,18 +30936,15 @@ DUK_INTERNAL duk_ret_t duk_bi_global_object_eval(duk_context *ctx) {
"var_env and lex_env to a fresh env, "
"this_binding to caller's this_binding"));
- act = thr->callstack + thr->callstack_top + level; /* caller */
act_lex_env = act->lex_env;
act = NULL; /* invalidated */
- (void) duk_push_object_helper_proto(ctx,
- DUK_HOBJECT_FLAG_EXTENSIBLE |
- DUK_HOBJECT_CLASS_AS_FLAGS(DUK_HOBJECT_CLASS_DECENV),
- act_lex_env);
- new_env = duk_require_hobject(ctx, -1);
+ new_env = duk_push_object_helper_proto(ctx,
+ DUK_HOBJECT_FLAG_EXTENSIBLE |
+ DUK_HOBJECT_CLASS_AS_FLAGS(DUK_HOBJECT_CLASS_DECENV),
+ act_lex_env);
DUK_ASSERT(new_env != NULL);
- DUK_DDD(DUK_DDDPRINT("new_env allocated: %!iO",
- (duk_heaphdr *) new_env));
+ DUK_DDD(DUK_DDDPRINT("new_env allocated: %!iO", (duk_heaphdr *) new_env));
outer_lex_env = new_env;
outer_var_env = new_env;
@@ -28270,15 +31009,19 @@ DUK_INTERNAL duk_ret_t duk_bi_global_object_eval(duk_context *ctx) {
* Parsing of ints and floats
*/
+#if defined(DUK_USE_GLOBAL_BUILTIN)
DUK_INTERNAL duk_ret_t duk_bi_global_object_parse_int(duk_context *ctx) {
duk_int32_t radix;
duk_small_uint_t s2n_flags;
DUK_ASSERT_TOP(ctx, 2);
- duk_to_string(ctx, 0);
+ duk_to_string(ctx, 0); /* Reject symbols. */
radix = duk_to_int32(ctx, 1);
+ /* While parseInt() recognizes 0xdeadbeef, it doesn't recognize
+ * ES2015 0o123 or 0b10001.
+ */
s2n_flags = DUK_S2N_FLAG_TRIM_WHITE |
DUK_S2N_FLAG_ALLOW_GARBAGE |
DUK_S2N_FLAG_ALLOW_PLUS |
@@ -28304,7 +31047,7 @@ DUK_INTERNAL duk_ret_t duk_bi_global_object_parse_int(duk_context *ctx) {
radix = 10;
}
- duk_dup(ctx, 0);
+ duk_dup_0(ctx);
duk_numconv_parse(ctx, radix, s2n_flags);
return 1;
@@ -28312,13 +31055,15 @@ DUK_INTERNAL duk_ret_t duk_bi_global_object_parse_int(duk_context *ctx) {
duk_push_nan(ctx);
return 1;
}
+#endif /* DUK_USE_GLOBAL_BUILTIN */
+#if defined(DUK_USE_GLOBAL_BUILTIN)
DUK_INTERNAL duk_ret_t duk_bi_global_object_parse_float(duk_context *ctx) {
duk_small_uint_t s2n_flags;
duk_int32_t radix;
DUK_ASSERT_TOP(ctx, 1);
- duk_to_string(ctx, 0);
+ duk_to_string(ctx, 0); /* Reject symbols. */
radix = 10;
@@ -28337,27 +31082,33 @@ DUK_INTERNAL duk_ret_t duk_bi_global_object_parse_float(duk_context *ctx) {
duk_numconv_parse(ctx, radix, s2n_flags);
return 1;
}
+#endif /* DUK_USE_GLOBAL_BUILTIN */
/*
* Number checkers
*/
+#if defined(DUK_USE_GLOBAL_BUILTIN)
DUK_INTERNAL duk_ret_t duk_bi_global_object_is_nan(duk_context *ctx) {
duk_double_t d = duk_to_number(ctx, 0);
duk_push_boolean(ctx, DUK_ISNAN(d));
return 1;
}
+#endif /* DUK_USE_GLOBAL_BUILTIN */
+#if defined(DUK_USE_GLOBAL_BUILTIN)
DUK_INTERNAL duk_ret_t duk_bi_global_object_is_finite(duk_context *ctx) {
duk_double_t d = duk_to_number(ctx, 0);
duk_push_boolean(ctx, DUK_ISFINITE(d));
return 1;
}
+#endif /* DUK_USE_GLOBAL_BUILTIN */
/*
* URI handling
*/
+#if defined(DUK_USE_GLOBAL_BUILTIN)
DUK_INTERNAL duk_ret_t duk_bi_global_object_decode_uri(duk_context *ctx) {
return duk__transform_helper(ctx, duk__transform_callback_decode_uri, (const void *) duk__decode_uri_reserved_table);
}
@@ -28374,7 +31125,7 @@ DUK_INTERNAL duk_ret_t duk_bi_global_object_encode_uri_component(duk_context *ct
return duk__transform_helper(ctx, duk__transform_callback_encode_uri, (const void *) duk__encode_uricomponent_unescaped_table);
}
-#ifdef DUK_USE_SECTION_B
+#if defined(DUK_USE_SECTION_B)
DUK_INTERNAL duk_ret_t duk_bi_global_object_escape(duk_context *ctx) {
return duk__transform_helper(ctx, duk__transform_callback_escape, (const void *) NULL);
}
@@ -28382,585 +31133,12 @@ DUK_INTERNAL duk_ret_t duk_bi_global_object_escape(duk_context *ctx) {
DUK_INTERNAL duk_ret_t duk_bi_global_object_unescape(duk_context *ctx) {
return duk__transform_helper(ctx, duk__transform_callback_unescape, (const void *) NULL);
}
-#else /* DUK_USE_SECTION_B */
-DUK_INTERNAL duk_ret_t duk_bi_global_object_escape(duk_context *ctx) {
- DUK_UNREF(ctx);
- return DUK_RET_UNSUPPORTED_ERROR;
-}
-
-DUK_INTERNAL duk_ret_t duk_bi_global_object_unescape(duk_context *ctx) {
- DUK_UNREF(ctx);
- return DUK_RET_UNSUPPORTED_ERROR;
-}
#endif /* DUK_USE_SECTION_B */
+#endif /* DUK_USE_GLOBAL_BUILTIN */
-#if defined(DUK_USE_BROWSER_LIKE) && (defined(DUK_USE_FILE_IO) || defined(DUK_USE_DEBUGGER_SUPPORT))
-DUK_INTERNAL duk_ret_t duk_bi_global_object_print_helper(duk_context *ctx) {
- duk_hthread *thr = (duk_hthread *) ctx;
- duk_int_t magic;
- duk_idx_t nargs;
- const duk_uint8_t *buf;
- duk_size_t sz_buf;
- const char nl = (const char) DUK_ASC_LF;
-#ifndef DUK_USE_PREFER_SIZE
- duk_uint8_t buf_stack[256];
-#endif
-#ifdef DUK_USE_FILE_IO
- duk_file *f_out;
-#endif
-
- DUK_UNREF(thr);
-
- magic = duk_get_current_magic(ctx);
- DUK_UNREF(magic);
-
- nargs = duk_get_top(ctx);
-
- /* If argument count is 1 and first argument is a buffer, write the buffer
- * as raw data into the file without a newline; this allows exact control
- * over stdout/stderr without an additional entrypoint (useful for now).
- *
- * Otherwise current print/alert semantics are to ToString() coerce
- * arguments, join them with a single space, and append a newline.
- */
-
- if (nargs == 1 && duk_is_buffer(ctx, 0)) {
- buf = (const duk_uint8_t *) duk_get_buffer(ctx, 0, &sz_buf);
- DUK_ASSERT(buf != NULL);
- } else if (nargs > 0) {
-#ifdef DUK_USE_PREFER_SIZE
- /* Compact but lots of churn. */
- duk_push_hstring_stridx(thr, DUK_STRIDX_SPACE);
- duk_insert(ctx, 0);
- duk_join(ctx, nargs);
- duk_push_string(thr, "\n");
- duk_concat(ctx, 2);
- buf = (const duk_uint8_t *) duk_get_lstring(ctx, -1, &sz_buf);
- DUK_ASSERT(buf != NULL);
-#else /* DUK_USE_PREFER_SIZE */
- /* Higher footprint, less churn. */
- duk_idx_t i;
- duk_size_t sz_str;
- const duk_uint8_t *p_str;
- duk_uint8_t *p;
-
- sz_buf = (duk_size_t) nargs; /* spaces (nargs - 1) + newline */
- for (i = 0; i < nargs; i++) {
- (void) duk_to_lstring(ctx, i, &sz_str);
- sz_buf += sz_str;
- }
-
- if (sz_buf <= sizeof(buf_stack)) {
- p = (duk_uint8_t *) buf_stack;
- } else {
- p = (duk_uint8_t *) duk_push_fixed_buffer(ctx, sz_buf);
- DUK_ASSERT(p != NULL);
- }
-
- buf = (const duk_uint8_t *) p;
- for (i = 0; i < nargs; i++) {
- p_str = (const duk_uint8_t *) duk_get_lstring(ctx, i, &sz_str);
- DUK_ASSERT(p_str != NULL);
- DUK_MEMCPY((void *) p, (const void *) p_str, sz_str);
- p += sz_str;
- *p++ = (duk_uint8_t) (i == nargs - 1 ? DUK_ASC_LF : DUK_ASC_SPACE);
- }
- DUK_ASSERT((const duk_uint8_t *) p == buf + sz_buf);
-#endif /* DUK_USE_PREFER_SIZE */
- } else {
- buf = (const duk_uint8_t *) &nl;
- sz_buf = 1;
- }
-
- /* 'buf' contains the string to write, 'sz_buf' contains the length
- * (which may be zero).
- */
- DUK_ASSERT(buf != NULL);
-
- if (sz_buf == 0) {
- return 0;
- }
-
-#ifdef DUK_USE_FILE_IO
- f_out = (magic ? DUK_STDERR : DUK_STDOUT);
- DUK_FWRITE((const void *) buf, 1, (size_t) sz_buf, f_out);
- DUK_FFLUSH(f_out);
-#endif
-
-#if defined(DUK_USE_DEBUGGER_SUPPORT) && defined(DUK_USE_DEBUGGER_FWD_PRINTALERT)
- if (DUK_HEAP_IS_DEBUGGER_ATTACHED(thr->heap)) {
- duk_debug_write_notify(thr, magic ? DUK_DBG_CMD_ALERT : DUK_DBG_CMD_PRINT);
- duk_debug_write_string(thr, (const char *) buf, sz_buf);
- duk_debug_write_eom(thr);
- }
-#endif
- return 0;
-}
-#elif defined(DUK_USE_BROWSER_LIKE) /* print provider */
-DUK_INTERNAL duk_ret_t duk_bi_global_object_print_helper(duk_context *ctx) {
- DUK_UNREF(ctx);
- return 0;
-}
-#else /* print provider */
-DUK_INTERNAL duk_ret_t duk_bi_global_object_print_helper(duk_context *ctx) {
- DUK_UNREF(ctx);
- return DUK_RET_UNSUPPORTED_ERROR;
-}
-#endif /* print provider */
-
-/*
- * CommonJS require() and modules support
- */
-
-#if defined(DUK_USE_COMMONJS_MODULES)
-DUK_LOCAL void duk__bi_global_resolve_module_id(duk_context *ctx, const char *req_id, const char *mod_id) {
- duk_hthread *thr = (duk_hthread *) ctx;
- duk_uint8_t buf[DUK_BI_COMMONJS_MODULE_ID_LIMIT];
- duk_uint8_t *p;
- duk_uint8_t *q;
- duk_uint8_t *q_last; /* last component */
- duk_int_t int_rc;
-
- DUK_ASSERT(req_id != NULL);
- /* mod_id may be NULL */
-
- /*
- * A few notes on the algorithm:
- *
- * - Terms are not allowed to begin with a period unless the term
- * is either '.' or '..'. This simplifies implementation (and
- * is within CommonJS modules specification).
- *
- * - There are few output bound checks here. This is on purpose:
- * the resolution input is length checked and the output is never
- * longer than the input. The resolved output is written directly
- * over the input because it's never longer than the input at any
- * point in the algorithm.
- *
- * - Non-ASCII characters are processed as individual bytes and
- * need no special treatment. However, U+0000 terminates the
- * algorithm; this is not an issue because U+0000 is not a
- * desirable term character anyway.
- */
-
- /*
- * Set up the resolution input which is the requested ID directly
- * (if absolute or no current module path) or with current module
- * ID prepended (if relative and current module path exists).
- *
- * Suppose current module is 'foo/bar' and relative path is './quux'.
- * The 'bar' component must be replaced so the initial input here is
- * 'foo/bar/.././quux'.
- */
-
- if (mod_id != NULL && req_id[0] == '.') {
- int_rc = DUK_SNPRINTF((char *) buf, sizeof(buf), "%s/../%s", mod_id, req_id);
- } else {
- int_rc = DUK_SNPRINTF((char *) buf, sizeof(buf), "%s", req_id);
- }
- if (int_rc >= (duk_int_t) sizeof(buf) || int_rc < 0) {
- /* Potentially truncated, NUL not guaranteed in any case.
- * The (int_rc < 0) case should not occur in practice.
- */
- DUK_DD(DUK_DDPRINT("resolve error: temporary working module ID doesn't fit into resolve buffer"));
- goto resolve_error;
- }
- DUK_ASSERT(DUK_STRLEN((const char *) buf) < sizeof(buf)); /* at most sizeof(buf) - 1 */
-
- DUK_DDD(DUK_DDDPRINT("input module id: '%s'", (const char *) buf));
-
- /*
- * Resolution loop. At the top of the loop we're expecting a valid
- * term: '.', '..', or a non-empty identifier not starting with a period.
- */
-
- p = buf;
- q = buf;
- for (;;) {
- duk_uint_fast8_t c;
-
- /* Here 'p' always points to the start of a term.
- *
- * We can also unconditionally reset q_last here: if this is
- * the last (non-empty) term q_last will have the right value
- * on loop exit.
- */
-
- DUK_ASSERT(p >= q); /* output is never longer than input during resolution */
-
- DUK_DDD(DUK_DDDPRINT("resolve loop top: p -> '%s', q=%p, buf=%p",
- (const char *) p, (void *) q, (void *) buf));
-
- q_last = q;
-
- c = *p++;
- if (DUK_UNLIKELY(c == 0)) {
- DUK_DD(DUK_DDPRINT("resolve error: requested ID must end with a non-empty term"));
- goto resolve_error;
- } else if (DUK_UNLIKELY(c == '.')) {
- c = *p++;
- if (c == '/') {
- /* Term was '.' and is eaten entirely (including dup slashes). */
- goto eat_dup_slashes;
- }
- if (c == '.' && *p == '/') {
- /* Term was '..', backtrack resolved name by one component.
- * q[-1] = previous slash (or beyond start of buffer)
- * q[-2] = last char of previous component (or beyond start of buffer)
- */
- p++; /* eat (first) input slash */
- DUK_ASSERT(q >= buf);
- if (q == buf) {
- DUK_DD(DUK_DDPRINT("resolve error: term was '..' but nothing to backtrack"));
- goto resolve_error;
- }
- DUK_ASSERT(*(q - 1) == '/');
- q--; /* backtrack to last output slash (dups already eliminated) */
- for (;;) {
- /* Backtrack to previous slash or start of buffer. */
- DUK_ASSERT(q >= buf);
- if (q == buf) {
- break;
- }
- if (*(q - 1) == '/') {
- break;
- }
- q--;
- }
- goto eat_dup_slashes;
- }
- DUK_DD(DUK_DDPRINT("resolve error: term begins with '.' but is not '.' or '..' (not allowed now)"));
- goto resolve_error;
- } else if (DUK_UNLIKELY(c == '/')) {
- /* e.g. require('/foo'), empty terms not allowed */
- DUK_DD(DUK_DDPRINT("resolve error: empty term (not allowed now)"));
- goto resolve_error;
- } else {
- for (;;) {
- /* Copy term name until end or '/'. */
- *q++ = c;
- c = *p++;
- if (DUK_UNLIKELY(c == 0)) {
- /* This was the last term, and q_last was
- * updated to match this term at loop top.
- */
- goto loop_done;
- } else if (DUK_UNLIKELY(c == '/')) {
- *q++ = '/';
- break;
- } else {
- /* write on next loop */
- }
- }
- }
-
- eat_dup_slashes:
- for (;;) {
- /* eat dup slashes */
- c = *p;
- if (DUK_LIKELY(c != '/')) {
- break;
- }
- p++;
- }
- }
- loop_done:
- /* Output #1: resolved absolute name */
- DUK_ASSERT(q >= buf);
- duk_push_lstring(ctx, (const char *) buf, (size_t) (q - buf));
-
- /* Output #2: last component name */
- DUK_ASSERT(q >= q_last);
- DUK_ASSERT(q_last >= buf);
- duk_push_lstring(ctx, (const char *) q_last, (size_t) (q - q_last));
-
- DUK_DD(DUK_DDPRINT("after resolving module name: buf=%p, q_last=%p, q=%p",
- (void *) buf, (void *) q_last, (void *) q));
- return;
-
- resolve_error:
- DUK_ERROR_FMT1(thr, DUK_ERR_TYPE_ERROR, "cannot resolve module id: %s", (const char *) req_id);
-}
-#endif /* DUK_USE_COMMONJS_MODULES */
-
-#if defined(DUK_USE_COMMONJS_MODULES)
-/* Stack indices for better readability */
-#define DUK__IDX_REQUESTED_ID 0 /* Module id requested */
-#define DUK__IDX_REQUIRE 1 /* Current require() function */
-#define DUK__IDX_REQUIRE_ID 2 /* The base ID of the current require() function, resolution base */
-#define DUK__IDX_RESOLVED_ID 3 /* Resolved, normalized absolute module ID */
-#define DUK__IDX_LASTCOMP 4 /* Last component name in resolved path */
-#define DUK__IDX_DUKTAPE 5 /* Duktape object */
-#define DUK__IDX_MODLOADED 6 /* Duktape.modLoaded[] module cache */
-#define DUK__IDX_UNDEFINED 7 /* 'undefined', artifact of lookup */
-#define DUK__IDX_FRESH_REQUIRE 8 /* New require() function for module, updated resolution base */
-#define DUK__IDX_EXPORTS 9 /* Default exports table */
-#define DUK__IDX_MODULE 10 /* Module object containing module.exports, etc */
-
-DUK_INTERNAL duk_ret_t duk_bi_global_object_require(duk_context *ctx) {
- const char *str_req_id; /* requested identifier */
- const char *str_mod_id; /* require.id of current module */
- duk_int_t pcall_rc;
-
- /* NOTE: we try to minimize code size by avoiding unnecessary pops,
- * so the stack looks a bit cluttered in this function. DUK_ASSERT_TOP()
- * assertions are used to ensure stack configuration is correct at each
- * step.
- */
-
- /*
- * Resolve module identifier into canonical absolute form.
- */
-
- str_req_id = duk_require_string(ctx, DUK__IDX_REQUESTED_ID);
- duk_push_current_function(ctx);
- duk_get_prop_stridx(ctx, -1, DUK_STRIDX_ID);
- str_mod_id = duk_get_string(ctx, DUK__IDX_REQUIRE_ID); /* ignore non-strings */
- DUK_DDD(DUK_DDDPRINT("resolve module id: requested=%!T, currentmodule=%!T",
- duk_get_tval(ctx, DUK__IDX_REQUESTED_ID),
- duk_get_tval(ctx, DUK__IDX_REQUIRE_ID)));
- duk__bi_global_resolve_module_id(ctx, str_req_id, str_mod_id);
- str_req_id = NULL;
- str_mod_id = NULL;
- DUK_DDD(DUK_DDDPRINT("resolved module id: requested=%!T, currentmodule=%!T, result=%!T, lastcomp=%!T",
- duk_get_tval(ctx, DUK__IDX_REQUESTED_ID),
- duk_get_tval(ctx, DUK__IDX_REQUIRE_ID),
- duk_get_tval(ctx, DUK__IDX_RESOLVED_ID),
- duk_get_tval(ctx, DUK__IDX_LASTCOMP)));
-
- /* [ requested_id require require.id resolved_id last_comp ] */
- DUK_ASSERT_TOP(ctx, DUK__IDX_LASTCOMP + 1);
-
- /*
- * Cached module check.
- *
- * If module has been loaded or its loading has already begun without
- * finishing, return the same cached value ('exports'). The value is
- * registered when module load starts so that circular references can
- * be supported to some extent.
- */
-
- duk_push_hobject_bidx(ctx, DUK_BIDX_DUKTAPE);
- duk_get_prop_stridx(ctx, DUK__IDX_DUKTAPE, DUK_STRIDX_MOD_LOADED); /* Duktape.modLoaded */
- (void) duk_require_hobject(ctx, DUK__IDX_MODLOADED);
- DUK_ASSERT_TOP(ctx, DUK__IDX_MODLOADED + 1);
-
- duk_dup(ctx, DUK__IDX_RESOLVED_ID);
- if (duk_get_prop(ctx, DUK__IDX_MODLOADED)) {
- /* [ requested_id require require.id resolved_id last_comp Duktape Duktape.modLoaded Duktape.modLoaded[id] ] */
- DUK_DD(DUK_DDPRINT("module already loaded: %!T",
- duk_get_tval(ctx, DUK__IDX_RESOLVED_ID)));
- duk_get_prop_stridx(ctx, -1, DUK_STRIDX_EXPORTS); /* return module.exports */
- return 1;
- }
- DUK_ASSERT_TOP(ctx, DUK__IDX_UNDEFINED + 1);
-
- /* [ requested_id require require.id resolved_id last_comp Duktape Duktape.modLoaded undefined ] */
-
- /*
- * Module not loaded (and loading not started previously).
- *
- * Create a new require() function with 'id' set to resolved ID
- * of module being loaded. Also create 'exports' and 'module'
- * tables but don't register exports to the loaded table yet.
- * We don't want to do that unless the user module search callbacks
- * succeeds in finding the module.
- */
-
- DUK_D(DUK_DPRINT("loading module %!T, resolution base %!T, requested ID %!T -> resolved ID %!T, last component %!T",
- duk_get_tval(ctx, DUK__IDX_RESOLVED_ID),
- duk_get_tval(ctx, DUK__IDX_REQUIRE_ID),
- duk_get_tval(ctx, DUK__IDX_REQUESTED_ID),
- duk_get_tval(ctx, DUK__IDX_RESOLVED_ID),
- duk_get_tval(ctx, DUK__IDX_LASTCOMP)));
-
- /* Fresh require: require.id is left configurable (but not writable)
- * so that is not easy to accidentally tweak it, but it can still be
- * done with Object.defineProperty().
- *
- * XXX: require.id could also be just made non-configurable, as there
- * is no practical reason to touch it.
- */
- duk_push_c_function(ctx, duk_bi_global_object_require, 1 /*nargs*/);
- duk_push_hstring_stridx(ctx, DUK_STRIDX_REQUIRE);
- duk_xdef_prop_stridx(ctx, DUK__IDX_FRESH_REQUIRE, DUK_STRIDX_NAME, DUK_PROPDESC_FLAGS_NONE);
- duk_dup(ctx, DUK__IDX_RESOLVED_ID);
- duk_xdef_prop_stridx(ctx, DUK__IDX_FRESH_REQUIRE, DUK_STRIDX_ID, DUK_PROPDESC_FLAGS_C); /* a fresh require() with require.id = resolved target module id */
-
- /* Module table:
- * - module.exports: initial exports table (may be replaced by user)
- * - module.id is non-writable and non-configurable, as the CommonJS
- * spec suggests this if possible
- * - module.filename: not set, defaults to resolved ID if not explicitly
- * set by modSearch() (note capitalization, not .fileName, matches Node.js)
- * - module.name: not set, defaults to last component of resolved ID if
- * not explicitly set by modSearch()
- */
- duk_push_object(ctx); /* exports */
- duk_push_object(ctx); /* module */
- duk_dup(ctx, DUK__IDX_EXPORTS);
- duk_xdef_prop_stridx(ctx, DUK__IDX_MODULE, DUK_STRIDX_EXPORTS, DUK_PROPDESC_FLAGS_WC); /* module.exports = exports */
- duk_dup(ctx, DUK__IDX_RESOLVED_ID); /* resolved id: require(id) must return this same module */
- duk_xdef_prop_stridx(ctx, DUK__IDX_MODULE, DUK_STRIDX_ID, DUK_PROPDESC_FLAGS_NONE); /* module.id = resolved_id */
- duk_compact(ctx, DUK__IDX_MODULE); /* module table remains registered to modLoaded, minimize its size */
- DUK_ASSERT_TOP(ctx, DUK__IDX_MODULE + 1);
-
- DUK_DD(DUK_DDPRINT("module table created: %!T", duk_get_tval(ctx, DUK__IDX_MODULE)));
-
- /* [ requested_id require require.id resolved_id last_comp Duktape Duktape.modLoaded undefined fresh_require exports module ] */
-
- /* Register the module table early to modLoaded[] so that we can
- * support circular references even in modSearch(). If an error
- * is thrown, we'll delete the reference.
- */
- duk_dup(ctx, DUK__IDX_RESOLVED_ID);
- duk_dup(ctx, DUK__IDX_MODULE);
- duk_put_prop(ctx, DUK__IDX_MODLOADED); /* Duktape.modLoaded[resolved_id] = module */
-
- /*
- * Call user provided module search function and build the wrapped
- * module source code (if necessary). The module search function
- * can be used to implement pure Ecmacsript, pure C, and mixed
- * Ecmascript/C modules.
- *
- * The module search function can operate on the exports table directly
- * (e.g. DLL code can register values to it). It can also return a
- * string which is interpreted as module source code (if a non-string
- * is returned the module is assumed to be a pure C one). If a module
- * cannot be found, an error must be thrown by the user callback.
- *
- * Because Duktape.modLoaded[] already contains the module being
- * loaded, circular references for C modules should also work
- * (although expected to be quite rare).
- */
-
- duk_push_string(ctx, "(function(require,exports,module){");
-
- /* Duktape.modSearch(resolved_id, fresh_require, exports, module). */
- duk_get_prop_stridx(ctx, DUK__IDX_DUKTAPE, DUK_STRIDX_MOD_SEARCH); /* Duktape.modSearch */
- duk_dup(ctx, DUK__IDX_RESOLVED_ID);
- duk_dup(ctx, DUK__IDX_FRESH_REQUIRE);
- duk_dup(ctx, DUK__IDX_EXPORTS);
- duk_dup(ctx, DUK__IDX_MODULE); /* [ ... Duktape.modSearch resolved_id last_comp fresh_require exports module ] */
- pcall_rc = duk_pcall(ctx, 4 /*nargs*/); /* -> [ ... source ] */
- DUK_ASSERT_TOP(ctx, DUK__IDX_MODULE + 3);
-
- if (pcall_rc != DUK_EXEC_SUCCESS) {
- /* Delete entry in Duktape.modLoaded[] and rethrow. */
- goto delete_rethrow;
- }
-
- /* If user callback did not return source code, module loading
- * is finished (user callback initialized exports table directly).
- */
- if (!duk_is_string(ctx, -1)) {
- /* User callback did not return source code, so module loading
- * is finished: just update modLoaded with final module.exports
- * and we're done.
- */
- goto return_exports;
- }
-
- /* Finish the wrapped module source. Force module.filename as the
- * function .fileName so it gets set for functions defined within a
- * module. This also ensures loggers created within the module get
- * the module ID (or overridden filename) as their default logger name.
- * (Note capitalization: .filename matches Node.js while .fileName is
- * used elsewhere in Duktape.)
- */
- duk_push_string(ctx, "})");
- duk_concat(ctx, 3);
- if (!duk_get_prop_stridx(ctx, DUK__IDX_MODULE, DUK_STRIDX_FILENAME)) {
- /* module.filename for .fileName, default to resolved ID if
- * not present.
- */
- duk_pop(ctx);
- duk_dup(ctx, DUK__IDX_RESOLVED_ID);
- }
- duk_eval_raw(ctx, NULL, 0, DUK_COMPILE_EVAL);
-
- /* Module has now evaluated to a wrapped module function. Force its
- * .name to match module.name (defaults to last component of resolved
- * ID) so that it is shown in stack traces too. Note that we must not
- * introduce an actual name binding into the function scope (which is
- * usually the case with a named function) because it would affect the
- * scope seen by the module and shadow accesses to globals of the same name.
- * This is now done by compiling the function as anonymous and then forcing
- * its .name without setting a "has name binding" flag.
- */
-
- duk_push_hstring_stridx(ctx, DUK_STRIDX_NAME);
- if (!duk_get_prop_stridx(ctx, DUK__IDX_MODULE, DUK_STRIDX_NAME)) {
- /* module.name for .name, default to last component if
- * not present.
- */
- duk_pop(ctx);
- duk_dup(ctx, DUK__IDX_LASTCOMP);
- }
- duk_def_prop(ctx, -3, DUK_DEFPROP_HAVE_VALUE | DUK_DEFPROP_FORCE);
-
- /*
- * Call the wrapped module function.
- *
- * Use a protected call so that we can update Duktape.modLoaded[resolved_id]
- * even if the module throws an error.
- */
-
- /* [ requested_id require require.id resolved_id last_comp Duktape Duktape.modLoaded undefined fresh_require exports module mod_func ] */
- DUK_ASSERT_TOP(ctx, DUK__IDX_MODULE + 2);
-
- duk_dup(ctx, DUK__IDX_EXPORTS); /* exports (this binding) */
- duk_dup(ctx, DUK__IDX_FRESH_REQUIRE); /* fresh require (argument) */
- duk_get_prop_stridx(ctx, DUK__IDX_MODULE, DUK_STRIDX_EXPORTS); /* relookup exports from module.exports in case it was changed by modSearch */
- duk_dup(ctx, DUK__IDX_MODULE); /* module (argument) */
- DUK_ASSERT_TOP(ctx, DUK__IDX_MODULE + 6);
-
- /* [ requested_id require require.id resolved_id last_comp Duktape Duktape.modLoaded undefined fresh_require exports module mod_func exports fresh_require exports module ] */
-
- pcall_rc = duk_pcall_method(ctx, 3 /*nargs*/);
- if (pcall_rc != DUK_EXEC_SUCCESS) {
- /* Module loading failed. Node.js will forget the module
- * registration so that another require() will try to load
- * the module again. Mimic that behavior.
- */
- goto delete_rethrow;
- }
-
- /* [ requested_id require require.id resolved_id last_comp Duktape Duktape.modLoaded undefined fresh_require exports module result(ignored) ] */
- DUK_ASSERT_TOP(ctx, DUK__IDX_MODULE + 2);
-
- /* fall through */
-
- return_exports:
- duk_get_prop_stridx(ctx, DUK__IDX_MODULE, DUK_STRIDX_EXPORTS);
- duk_compact(ctx, -1); /* compact the exports table */
- return 1; /* return module.exports */
-
- delete_rethrow:
- duk_dup(ctx, DUK__IDX_RESOLVED_ID);
- duk_del_prop(ctx, DUK__IDX_MODLOADED); /* delete Duktape.modLoaded[resolved_id] */
- duk_throw(ctx); /* rethrow original error */
- return 0; /* not reachable */
-}
-
-#undef DUK__IDX_REQUESTED_ID
-#undef DUK__IDX_REQUIRE
-#undef DUK__IDX_REQUIRE_ID
-#undef DUK__IDX_RESOLVED_ID
-#undef DUK__IDX_LASTCOMP
-#undef DUK__IDX_DUKTAPE
-#undef DUK__IDX_MODLOADED
-#undef DUK__IDX_UNDEFINED
-#undef DUK__IDX_FRESH_REQUIRE
-#undef DUK__IDX_EXPORTS
-#undef DUK__IDX_MODULE
-#else
-DUK_INTERNAL duk_ret_t duk_bi_global_object_require(duk_context *ctx) {
- DUK_UNREF(ctx);
- return DUK_RET_UNSUPPORTED_ERROR;
-}
-#endif /* DUK_USE_COMMONJS_MODULES */
-#line 1 "duk_bi_json.c"
+/* automatic undefs */
+#undef DUK__CHECK_BITMASK
+#undef DUK__MKBITS
/*
* JSON built-ins.
*
@@ -28977,7 +31155,9 @@ DUK_INTERNAL duk_ret_t duk_bi_global_object_require(duk_context *ctx) {
* indeed correct!
*/
-/* include removed: duk_internal.h */
+/* #include duk_internal.h -> already included */
+
+#if defined(DUK_USE_JSON_SUPPORT)
/*
* Local defines and forward declarations.
@@ -28991,13 +31171,15 @@ DUK_INTERNAL duk_ret_t duk_bi_global_object_require(duk_context *ctx) {
DUK_LOCAL_DECL void duk__dec_syntax_error(duk_json_dec_ctx *js_ctx);
DUK_LOCAL_DECL void duk__dec_eat_white(duk_json_dec_ctx *js_ctx);
+#if defined(DUK_USE_JX)
DUK_LOCAL_DECL duk_uint8_t duk__dec_peek(duk_json_dec_ctx *js_ctx);
+#endif
DUK_LOCAL_DECL duk_uint8_t duk__dec_get(duk_json_dec_ctx *js_ctx);
DUK_LOCAL_DECL duk_uint8_t duk__dec_get_nonwhite(duk_json_dec_ctx *js_ctx);
DUK_LOCAL_DECL duk_uint_fast32_t duk__dec_decode_hex_escape(duk_json_dec_ctx *js_ctx, duk_small_uint_t n);
DUK_LOCAL_DECL void duk__dec_req_stridx(duk_json_dec_ctx *js_ctx, duk_small_uint_t stridx);
DUK_LOCAL_DECL void duk__dec_string(duk_json_dec_ctx *js_ctx);
-#ifdef DUK_USE_JX
+#if defined(DUK_USE_JX)
DUK_LOCAL_DECL void duk__dec_plain_string(duk_json_dec_ctx *js_ctx);
DUK_LOCAL_DECL void duk__dec_pointer(duk_json_dec_ctx *js_ctx);
DUK_LOCAL_DECL void duk__dec_buffer(duk_json_dec_ctx *js_ctx);
@@ -29034,7 +31216,9 @@ DUK_LOCAL_DECL void duk__enc_fastint_tval(duk_json_enc_ctx *js_ctx, duk_tval *tv
#if defined(DUK_USE_JX) || defined(DUK_USE_JC)
DUK_LOCAL_DECL void duk__enc_buffer(duk_json_enc_ctx *js_ctx, duk_hbuffer *h);
DUK_LOCAL_DECL void duk__enc_pointer(duk_json_enc_ctx *js_ctx, void *ptr);
-DUK_LOCAL_DECL void duk__enc_bufferobject(duk_json_enc_ctx *js_ctx, duk_hbufferobject *h_bufobj);
+#if defined(DUK_USE_BUFFEROBJECT_SUPPORT)
+DUK_LOCAL_DECL void duk__enc_bufobj(duk_json_enc_ctx *js_ctx, duk_hbufobj *h_bufobj);
+#endif
#endif
DUK_LOCAL_DECL void duk__enc_newline_indent(duk_json_enc_ctx *js_ctx, duk_int_t depth);
@@ -29200,10 +31384,12 @@ DUK_LOCAL void duk__dec_eat_white(duk_json_dec_ctx *js_ctx) {
js_ctx->p = p;
}
+#if defined(DUK_USE_JX)
DUK_LOCAL duk_uint8_t duk__dec_peek(duk_json_dec_ctx *js_ctx) {
DUK_ASSERT(js_ctx->p <= js_ctx->p_end);
return *js_ctx->p;
}
+#endif
DUK_LOCAL duk_uint8_t duk__dec_get(duk_json_dec_ctx *js_ctx) {
DUK_ASSERT(js_ctx->p <= js_ctx->p_end);
@@ -29259,8 +31445,7 @@ DUK_LOCAL void duk__dec_req_stridx(duk_json_dec_ctx *js_ctx, duk_small_uint_t st
* have internal NULs.
*/
- DUK_ASSERT_DISABLE(stridx >= 0); /* unsigned */
- DUK_ASSERT(stridx < DUK_HEAP_NUM_STRINGS);
+ DUK_ASSERT_STRIDX_VALID(stridx);
h = DUK_HTHREAD_GET_STRING(js_ctx->thr, stridx);
DUK_ASSERT(h != NULL);
@@ -29295,7 +31480,7 @@ DUK_LOCAL duk_small_int_t duk__dec_string_escape(duk_json_dec_ctx *js_ctx, duk_u
* will match the default case (syntax error).
*/
cp = (duk_uint_fast32_t) duk__dec_get(js_ctx);
- switch ((int) cp) {
+ switch (cp) {
case DUK_ASC_BACKSLASH: break;
case DUK_ASC_DOUBLEQUOTE: break;
case DUK_ASC_SLASH: break;
@@ -29308,7 +31493,7 @@ DUK_LOCAL duk_small_int_t duk__dec_string_escape(duk_json_dec_ctx *js_ctx, duk_u
cp = duk__dec_decode_hex_escape(js_ctx, 4);
break;
}
-#ifdef DUK_USE_JX
+#if defined(DUK_USE_JX)
case DUK_ASC_UC_U: {
if (js_ctx->flag_ext_custom) {
cp = duk__dec_decode_hex_escape(js_ctx, 8);
@@ -29431,7 +31616,7 @@ DUK_LOCAL void duk__dec_string(duk_json_dec_ctx *js_ctx) {
#endif /* DUK_USE_JSON_DECSTRING_FASTPATH */
DUK_BW_SETPTR_AND_COMPACT(js_ctx->thr, bw, q);
- duk_to_string(ctx, -1);
+ (void) duk_buffer_to_string(ctx, -1); /* Safe if input string is safe. */
/* [ ... str ] */
@@ -29442,7 +31627,7 @@ DUK_LOCAL void duk__dec_string(duk_json_dec_ctx *js_ctx) {
DUK_UNREACHABLE();
}
-#ifdef DUK_USE_JX
+#if defined(DUK_USE_JX)
/* Decode a plain string consisting entirely of identifier characters.
* Used to parse plain keys (e.g. "foo: 123").
*/
@@ -29488,7 +31673,7 @@ DUK_LOCAL void duk__dec_plain_string(duk_json_dec_ctx *js_ctx) {
}
#endif /* DUK_USE_JX */
-#ifdef DUK_USE_JX
+#if defined(DUK_USE_JX)
DUK_LOCAL void duk__dec_pointer(duk_json_dec_ctx *js_ctx) {
duk_hthread *thr = js_ctx->thr;
duk_context *ctx = (duk_context *) thr;
@@ -29542,7 +31727,7 @@ DUK_LOCAL void duk__dec_pointer(duk_json_dec_ctx *js_ctx) {
}
#endif /* DUK_USE_JX */
-#ifdef DUK_USE_JX
+#if defined(DUK_USE_JX)
DUK_LOCAL void duk__dec_buffer(duk_json_dec_ctx *js_ctx) {
duk_hthread *thr = js_ctx->thr;
duk_context *ctx = (duk_context *) thr;
@@ -29582,8 +31767,9 @@ DUK_LOCAL void duk__dec_buffer(duk_json_dec_ctx *js_ctx) {
p++;
}
+ /* XXX: this is not very nice; unnecessary copy is made. */
src_len = (duk_size_t) (p - js_ctx->p);
- buf = (duk_uint8_t *) duk_push_fixed_buffer(ctx, src_len);
+ buf = (duk_uint8_t *) duk_push_fixed_buffer_nozero(ctx, src_len);
DUK_ASSERT(buf != NULL);
DUK_MEMCPY((void *) buf, (const void *) js_ctx->p, src_len);
duk_hex_decode(ctx, -1);
@@ -29731,7 +31917,7 @@ DUK_LOCAL void duk__dec_object(duk_json_dec_ctx *js_ctx) {
if (x == DUK_ASC_DOUBLEQUOTE) {
duk__dec_string(js_ctx);
-#ifdef DUK_USE_JX
+#if defined(DUK_USE_JX)
} else if (js_ctx->flag_ext_custom &&
duk_unicode_is_identifier_start((duk_codepoint_t) x)) {
duk__dec_plain_string(js_ctx);
@@ -29852,7 +32038,7 @@ DUK_LOCAL void duk__dec_value(duk_json_dec_ctx *js_ctx) {
if (x == DUK_ASC_DOUBLEQUOTE) {
duk__dec_string(js_ctx);
} else if ((x >= DUK_ASC_0 && x <= DUK_ASC_9) || (x == DUK_ASC_MINUS)) {
-#ifdef DUK_USE_JX
+#if defined(DUK_USE_JX)
if (js_ctx->flag_ext_custom && x == DUK_ASC_MINUS && duk__dec_peek(js_ctx) == DUK_ASC_UC_I) {
duk__dec_req_stridx(js_ctx, DUK_STRIDX_MINUS_INFINITY); /* "-Infinity", '-' has been eaten */
duk_push_number(ctx, -DUK_DOUBLE_INFINITY);
@@ -29873,7 +32059,7 @@ DUK_LOCAL void duk__dec_value(duk_json_dec_ctx *js_ctx) {
} else if (x == DUK_ASC_LC_N) {
duk__dec_req_stridx(js_ctx, DUK_STRIDX_LC_NULL);
duk_push_null(ctx);
-#ifdef DUK_USE_JX
+#if defined(DUK_USE_JX)
} else if (js_ctx->flag_ext_custom && x == DUK_ASC_LC_U) {
duk__dec_req_stridx(js_ctx, DUK_STRIDX_LC_UNDEFINED);
duk_push_undefined(ctx);
@@ -29936,10 +32122,8 @@ DUK_LOCAL void duk__dec_reviver_walk(duk_json_dec_ctx *js_ctx) {
(duk_tval *) duk_get_tval(ctx, -3), (duk_tval *) duk_get_tval(ctx, -2),
(duk_tval *) duk_get_tval(ctx, -1)));
- /* XXX: push_uint_string / push_u32_string */
duk_dup_top(ctx);
- duk_push_uint(ctx, (duk_uint_t) i);
- duk_to_string(ctx, -1); /* -> [ ... holder name val val ToString(i) ] */
+ (void) duk_push_uint_to_hstring(ctx, (duk_uint_t) i); /* -> [ ... holder name val val ToString(i) ] */
duk__dec_reviver_walk(js_ctx); /* -> [ ... holder name val new_elem ] */
if (duk_is_undefined(ctx, -1)) {
@@ -29963,8 +32147,8 @@ DUK_LOCAL void duk__dec_reviver_walk(duk_json_dec_ctx *js_ctx) {
(duk_tval *) duk_get_tval(ctx, -2), (duk_tval *) duk_get_tval(ctx, -1)));
/* [ ... holder name val enum obj_key ] */
- duk_dup(ctx, -3);
- duk_dup(ctx, -2);
+ duk_dup_m3(ctx);
+ duk_dup_m2(ctx);
/* [ ... holder name val enum obj_key val obj_key ] */
duk__dec_reviver_walk(js_ctx);
@@ -30034,8 +32218,7 @@ DUK_LOCAL void duk__emit_cstring(duk_json_enc_ctx *js_ctx, const char *str) {
DUK_LOCAL void duk__emit_stridx(duk_json_enc_ctx *js_ctx, duk_small_uint_t stridx) {
duk_hstring *h;
- DUK_ASSERT_DISABLE(stridx >= 0); /* unsigned */
- DUK_ASSERT(stridx < DUK_HEAP_NUM_STRINGS);
+ DUK_ASSERT_STRIDX_VALID(stridx);
h = DUK_HTHREAD_GET_STRING(js_ctx->thr, stridx);
DUK_ASSERT(h != NULL);
@@ -30066,7 +32249,7 @@ DUK_LOCAL duk_uint8_t *duk__emit_esc_auto_fast(duk_json_enc_ctx *js_ctx, duk_uin
* (nybble_count << 16) | (escape_char1) | (escape_char2)
*/
-#ifdef DUK_USE_JX
+#if defined(DUK_USE_JX)
if (DUK_LIKELY(cp < 0x100UL)) {
if (DUK_UNLIKELY(js_ctx->flag_ext_custom)) {
tmp = DUK__MKESC(2, DUK_ASC_BACKSLASH, DUK_ASC_LC_X);
@@ -30078,7 +32261,7 @@ DUK_LOCAL duk_uint8_t *duk__emit_esc_auto_fast(duk_json_enc_ctx *js_ctx, duk_uin
if (DUK_LIKELY(cp < 0x10000UL)) {
tmp = DUK__MKESC(4, DUK_ASC_BACKSLASH, DUK_ASC_LC_U);
} else {
-#ifdef DUK_USE_JX
+#if defined(DUK_USE_JX)
if (DUK_LIKELY(js_ctx->flag_ext_custom)) {
tmp = DUK__MKESC(8, DUK_ASC_BACKSLASH, DUK_ASC_UC_U);
} else
@@ -30272,7 +32455,7 @@ DUK_LOCAL void duk__enc_quote_string(duk_json_enc_ctx *js_ctx, duk_hstring *h_st
p = p_tmp + 1;
}
-#ifdef DUK_USE_NONSTD_JSON_ESC_U2028_U2029
+#if defined(DUK_USE_NONSTD_JSON_ESC_U2028_U2029)
if (js_ctx->flag_ascii_only || cp == 0x2028 || cp == 0x2029) {
#else
if (js_ctx->flag_ascii_only) {
@@ -30336,8 +32519,7 @@ DUK_LOCAL void duk__enc_double(duk_json_enc_ctx *js_ctx) {
/* [ ... number ] -> [ ... string ] */
duk_numconv_stringify(ctx, 10 /*radix*/, 0 /*digits*/, n2s_flags);
}
- h_str = duk_to_hstring(ctx, -1);
- DUK_ASSERT(h_str != NULL);
+ h_str = duk_known_hstring(ctx, -1);
DUK__EMIT_HSTR(js_ctx, h_str);
return;
}
@@ -30479,8 +32661,8 @@ DUK_LOCAL void duk__enc_buffer_data(duk_json_enc_ctx *js_ctx, duk_uint8_t *buf_d
* variants is to be as useful to a programmer as possible.
*/
- /* The #ifdef clutter here needs to handle the three cases:
- * (1) JX+JC, (2) JX only, (3) JC only.
+ /* The #if defined() clutter here needs to handle the three
+ * cases: (1) JX+JC, (2) JX only, (3) JC only.
*/
/* Note: space must cater for both JX and JC. */
@@ -30534,8 +32716,8 @@ DUK_LOCAL void duk__enc_pointer(duk_json_enc_ctx *js_ctx, void *ptr) {
DUK_MEMZERO(buf, sizeof(buf));
- /* The #ifdef clutter here needs to handle the three cases:
- * (1) JX+JC, (2) JX only, (3) JC only.
+ /* The #if defined() clutter here needs to handle the three
+ * cases: (1) JX+JC, (2) JX only, (3) JC only.
*/
#if defined(DUK_USE_JX) && defined(DUK_USE_JC)
if (js_ctx->flag_ext_custom)
@@ -30561,20 +32743,22 @@ DUK_LOCAL void duk__enc_pointer(duk_json_enc_ctx *js_ctx, void *ptr) {
}
#endif /* DUK_USE_JX || DUK_USE_JC */
+#if defined(DUK_USE_BUFFEROBJECT_SUPPORT)
#if defined(DUK_USE_JX) || defined(DUK_USE_JC)
-DUK_LOCAL void duk__enc_bufferobject(duk_json_enc_ctx *js_ctx, duk_hbufferobject *h_bufobj) {
- DUK_ASSERT_HBUFFEROBJECT_VALID(h_bufobj);
+DUK_LOCAL void duk__enc_bufobj(duk_json_enc_ctx *js_ctx, duk_hbufobj *h_bufobj) {
+ DUK_ASSERT_HBUFOBJ_VALID(h_bufobj);
- if (h_bufobj->buf == NULL || !DUK_HBUFFEROBJECT_VALID_SLICE(h_bufobj)) {
+ if (h_bufobj->buf == NULL || !DUK_HBUFOBJ_VALID_SLICE(h_bufobj)) {
DUK__EMIT_STRIDX(js_ctx, DUK_STRIDX_LC_NULL);
} else {
/* Handle both full and partial slice (as long as covered). */
duk__enc_buffer_data(js_ctx,
- (duk_uint8_t *) DUK_HBUFFEROBJECT_GET_SLICE_BASE(js_ctx->thr->heap, h_bufobj),
+ (duk_uint8_t *) DUK_HBUFOBJ_GET_SLICE_BASE(js_ctx->thr->heap, h_bufobj),
(duk_size_t) h_bufobj->length);
}
}
#endif /* DUK_USE_JX || DUK_USE_JC */
+#endif /* DUK_USE_BUFFEROBJECT_SUPPORT */
/* Indent helper. Calling code relies on js_ctx->recursion_depth also being
* directly related to indent depth.
@@ -30656,8 +32840,7 @@ DUK_LOCAL void duk__enc_objarr_entry(duk_json_enc_ctx *js_ctx, duk_idx_t *entry_
* with overflow in a loop check object.
*/
- h_target = duk_get_hobject(ctx, -1); /* object or array */
- DUK_ASSERT(h_target != NULL);
+ h_target = duk_known_hobject(ctx, -1); /* object or array */
n = js_ctx->recursion_depth;
if (DUK_UNLIKELY(n > DUK_JSON_ENC_LOOPARRAY)) {
@@ -30707,8 +32890,7 @@ DUK_LOCAL void duk__enc_objarr_exit(duk_json_enc_ctx *js_ctx, duk_idx_t *entry_t
/* Loop check. */
- h_target = duk_get_hobject(ctx, *entry_top - 1); /* original target at entry_top - 1 */
- DUK_ASSERT(h_target != NULL);
+ h_target = duk_known_hobject(ctx, *entry_top - 1); /* original target at entry_top - 1 */
if (js_ctx->recursion_depth < DUK_JSON_ENC_LOOPARRAY) {
/* Previous entry was inside visited[], nothing to do. */
@@ -30776,8 +32958,9 @@ DUK_LOCAL void duk__enc_object(duk_json_enc_ctx *js_ctx) {
(duk_tval *) duk_get_tval(ctx, idx_obj),
(duk_tval *) duk_get_tval(ctx, -1)));
- h_key = duk_get_hstring(ctx, -1);
+ h_key = duk_known_hstring(ctx, -1);
DUK_ASSERT(h_key != NULL);
+ DUK_ASSERT(!DUK_HSTRING_HAS_SYMBOL(h_key)); /* proplist filtering; enum options */
prev_size = DUK_BW_GET_SIZE(js_ctx->thr, &js_ctx->bw);
if (DUK_UNLIKELY(js_ctx->h_gap != NULL)) {
@@ -30853,9 +33036,7 @@ DUK_LOCAL void duk__enc_array(duk_json_enc_ctx *js_ctx) {
duk__enc_newline_indent(js_ctx, js_ctx->recursion_depth);
}
- /* XXX: duk_push_uint_string() */
- duk_push_uint(ctx, (duk_uint_t) i);
- duk_to_string(ctx, -1); /* -> [ ... key ] */
+ (void) duk_push_uint_to_hstring(ctx, (duk_uint_t) i); /* -> [ ... key ] */
/* [ ... key ] */
@@ -30894,7 +33075,6 @@ DUK_LOCAL void duk__enc_array(duk_json_enc_ctx *js_ctx) {
DUK_LOCAL duk_bool_t duk__enc_value(duk_json_enc_ctx *js_ctx, duk_idx_t idx_holder) {
duk_context *ctx = (duk_context *) js_ctx->thr;
duk_hthread *thr = (duk_hthread *) ctx;
- duk_hobject *h_tmp;
duk_tval *tv;
duk_tval *tv_holder;
duk_tval *tv_key;
@@ -30910,24 +33090,29 @@ DUK_LOCAL duk_bool_t duk__enc_value(duk_json_enc_ctx *js_ctx, duk_idx_t idx_hold
DUK_ASSERT(DUK_TVAL_IS_OBJECT(tv_holder));
tv_key = DUK_GET_TVAL_NEGIDX(ctx, -1);
DUK_ASSERT(DUK_TVAL_IS_STRING(tv_key));
+ DUK_ASSERT(!DUK_HSTRING_HAS_SYMBOL(DUK_TVAL_GET_STRING(tv_key))); /* Caller responsible. */
(void) duk_hobject_getprop(thr, tv_holder, tv_key);
/* -> [ ... key val ] */
DUK_DDD(DUK_DDDPRINT("value=%!T", (duk_tval *) duk_get_tval(ctx, -1)));
- h_tmp = duk_get_hobject_or_lfunc_coerce(ctx, -1);
- if (h_tmp != NULL) {
- duk_get_prop_stridx(ctx, -1, DUK_STRIDX_TO_JSON);
- h_tmp = duk_get_hobject_or_lfunc_coerce(ctx, -1); /* toJSON() can also be a lightfunc */
-
- if (h_tmp != NULL && DUK_HOBJECT_IS_CALLABLE(h_tmp)) {
+ /* Standard JSON checks for .toJSON() only for actual objects; for
+ * example, setting Number.prototype.toJSON and then serializing a
+ * number won't invoke the .toJSON() method. However, lightfuncs and
+ * plain buffers mimic objects so we check for their .toJSON() method.
+ */
+ if (duk_check_type_mask(ctx, -1, DUK_TYPE_MASK_OBJECT |
+ DUK_TYPE_MASK_LIGHTFUNC |
+ DUK_TYPE_MASK_BUFFER)) {
+ duk_get_prop_stridx_short(ctx, -1, DUK_STRIDX_TO_JSON);
+ if (duk_is_callable(ctx, -1)) { /* toJSON() can also be a lightfunc */
DUK_DDD(DUK_DDDPRINT("value is object, has callable toJSON() -> call it"));
/* XXX: duk_dup_unvalidated(ctx, -2) etc. */
- duk_dup(ctx, -2); /* -> [ ... key val toJSON val ] */
- duk_dup(ctx, -4); /* -> [ ... key val toJSON val key ] */
+ duk_dup_m2(ctx); /* -> [ ... key val toJSON val ] */
+ duk_dup_m4(ctx); /* -> [ ... key val toJSON val key ] */
duk_call_method(ctx, 1); /* -> [ ... key val val' ] */
- duk_remove(ctx, -2); /* -> [ ... key val' ] */
+ duk_remove_m2(ctx); /* -> [ ... key val' ] */
} else {
duk_pop(ctx); /* -> [ ... key val ] */
}
@@ -30942,10 +33127,10 @@ DUK_LOCAL duk_bool_t duk__enc_value(duk_json_enc_ctx *js_ctx, duk_idx_t idx_hold
DUK_DDD(DUK_DDDPRINT("replacer is set, call replacer"));
duk_push_hobject(ctx, js_ctx->h_replacer); /* -> [ ... key val replacer ] */
duk_dup(ctx, idx_holder); /* -> [ ... key val replacer holder ] */
- duk_dup(ctx, -4); /* -> [ ... key val replacer holder key ] */
- duk_dup(ctx, -4); /* -> [ ... key val replacer holder key val ] */
+ duk_dup_m4(ctx); /* -> [ ... key val replacer holder key ] */
+ duk_dup_m4(ctx); /* -> [ ... key val replacer holder key val ] */
duk_call_method(ctx, 2); /* -> [ ... key val val' ] */
- duk_remove(ctx, -2); /* -> [ ... key val' ] */
+ duk_remove_m2(ctx); /* -> [ ... key val' ] */
}
/* [ ... key val ] */
@@ -30959,86 +33144,77 @@ DUK_LOCAL duk_bool_t duk__enc_value(duk_json_enc_ctx *js_ctx, duk_idx_t idx_hold
h = DUK_TVAL_GET_OBJECT(tv);
DUK_ASSERT(h != NULL);
- if (DUK_HOBJECT_IS_BUFFEROBJECT(h)) {
+#if defined(DUK_USE_BUFFEROBJECT_SUPPORT)
#if defined(DUK_USE_JX) || defined(DUK_USE_JC)
- duk_hbufferobject *h_bufobj;
- h_bufobj = (duk_hbufferobject *) h;
- DUK_ASSERT_HBUFFEROBJECT_VALID(h_bufobj);
-
- /* Conceptually we'd extract the plain underlying buffer
- * or its slice and then do a type mask check below to
- * see if we should reject it. Do the mask check here
- * instead to avoid making a copy of the buffer slice.
- */
-
- if (js_ctx->mask_for_undefined & DUK_TYPE_MASK_BUFFER) {
- DUK_DDD(DUK_DDDPRINT("-> bufferobject (-> plain buffer) will result in undefined (type mask check)"));
- goto pop2_undef;
- }
- DUK_DDD(DUK_DDDPRINT("-> bufferobject won't result in undefined, encode directly"));
- duk__enc_bufferobject(js_ctx, h_bufobj);
+ if (DUK_HOBJECT_IS_BUFOBJ(h) &&
+ js_ctx->flags & (DUK_JSON_FLAG_EXT_CUSTOM | DUK_JSON_FLAG_EXT_COMPATIBLE)) {
+ /* With JX/JC a bufferobject gets serialized specially. */
+ duk_hbufobj *h_bufobj;
+ h_bufobj = (duk_hbufobj *) h;
+ DUK_ASSERT_HBUFOBJ_VALID(h_bufobj);
+ duk__enc_bufobj(js_ctx, h_bufobj);
goto pop2_emitted;
-#else
- DUK_DDD(DUK_DDDPRINT("no JX/JC support, bufferobject/buffer will always result in undefined"));
- goto pop2_undef;
-#endif
- } else {
- c = (duk_small_int_t) DUK_HOBJECT_GET_CLASS_NUMBER(h);
- switch ((int) c) {
- case DUK_HOBJECT_CLASS_NUMBER: {
- DUK_DDD(DUK_DDDPRINT("value is a Number object -> coerce with ToNumber()"));
- duk_to_number(ctx, -1);
- /* The coercion potentially invokes user .valueOf() and .toString()
- * but can't result in a function value because [[DefaultValue]] would
- * reject such a result: test-dev-json-stringify-coercion-1.js.
- */
- DUK_ASSERT(!duk_is_callable(ctx, -1));
- break;
- }
- case DUK_HOBJECT_CLASS_STRING: {
- DUK_DDD(DUK_DDDPRINT("value is a String object -> coerce with ToString()"));
- duk_to_string(ctx, -1);
- /* Same coercion behavior as for Number. */
- DUK_ASSERT(!duk_is_callable(ctx, -1));
- break;
- }
+ }
+ /* Otherwise bufferobjects get serialized as normal objects. */
+#endif /* JX || JC */
+#endif /* DUK_USE_BUFFEROBJECT_SUPPORT */
+ c = (duk_small_int_t) DUK_HOBJECT_GET_CLASS_NUMBER(h);
+ switch (c) {
+ case DUK_HOBJECT_CLASS_NUMBER: {
+ DUK_DDD(DUK_DDDPRINT("value is a Number object -> coerce with ToNumber()"));
+ duk_to_number_m1(ctx);
+ /* The coercion potentially invokes user .valueOf() and .toString()
+ * but can't result in a function value because ToPrimitive() would
+ * reject such a result: test-dev-json-stringify-coercion-1.js.
+ */
+ DUK_ASSERT(!duk_is_callable(ctx, -1));
+ break;
+ }
+ case DUK_HOBJECT_CLASS_STRING: {
+ DUK_DDD(DUK_DDDPRINT("value is a String object -> coerce with ToString()"));
+ duk_to_string(ctx, -1);
+ /* Same coercion behavior as for Number. */
+ DUK_ASSERT(!duk_is_callable(ctx, -1));
+ break;
+ }
#if defined(DUK_USE_JX) || defined(DUK_USE_JC)
- case DUK_HOBJECT_CLASS_POINTER:
+ case DUK_HOBJECT_CLASS_POINTER:
#endif
- case DUK_HOBJECT_CLASS_BOOLEAN: {
- DUK_DDD(DUK_DDDPRINT("value is a Boolean/Buffer/Pointer object -> get internal value"));
- duk_get_prop_stridx(ctx, -1, DUK_STRIDX_INT_VALUE);
- duk_remove(ctx, -2);
- break;
- }
- default: {
- /* Normal object which doesn't get automatically coerced to a
- * primitive value. Functions are checked for specially. The
- * primitive value coercions for Number, String, Pointer, and
- * Boolean can't result in functions so suffices to check here.
- */
- DUK_ASSERT(h != NULL);
- if (DUK_HOBJECT_IS_CALLABLE(h)) {
+ case DUK_HOBJECT_CLASS_BOOLEAN: {
+ DUK_DDD(DUK_DDDPRINT("value is a Boolean/Buffer/Pointer object -> get internal value"));
+ duk_get_prop_stridx_short(ctx, -1, DUK_STRIDX_INT_VALUE);
+ duk_remove_m2(ctx);
+ break;
+ }
+ default: {
+ /* Normal object which doesn't get automatically coerced to a
+ * primitive value. Functions are checked for specially. The
+ * primitive value coercions for Number, String, Pointer, and
+ * Boolean can't result in functions so suffices to check here.
+ * Symbol objects are handled like plain objects (their primitive
+ * value is NOT looked up like for e.g. String objects).
+ */
+ DUK_ASSERT(h != NULL);
+ if (DUK_HOBJECT_IS_CALLABLE(h)) {
#if defined(DUK_USE_JX) || defined(DUK_USE_JC)
- if (js_ctx->flags & (DUK_JSON_FLAG_EXT_CUSTOM |
- DUK_JSON_FLAG_EXT_COMPATIBLE)) {
- /* We only get here when doing non-standard JSON encoding */
- DUK_DDD(DUK_DDDPRINT("-> function allowed, serialize to custom format"));
- DUK_ASSERT(js_ctx->flag_ext_custom || js_ctx->flag_ext_compatible);
- DUK__EMIT_STRIDX(js_ctx, js_ctx->stridx_custom_function);
- goto pop2_emitted;
- } else {
- DUK_DDD(DUK_DDDPRINT("-> will result in undefined (function)"));
- goto pop2_undef;
- }
-#else /* DUK_USE_JX || DUK_USE_JC */
+ if (js_ctx->flags & (DUK_JSON_FLAG_EXT_CUSTOM |
+ DUK_JSON_FLAG_EXT_COMPATIBLE)) {
+ /* We only get here when doing non-standard JSON encoding */
+ DUK_DDD(DUK_DDDPRINT("-> function allowed, serialize to custom format"));
+ DUK_ASSERT(js_ctx->flag_ext_custom || js_ctx->flag_ext_compatible);
+ DUK__EMIT_STRIDX(js_ctx, js_ctx->stridx_custom_function);
+ goto pop2_emitted;
+ } else {
DUK_DDD(DUK_DDDPRINT("-> will result in undefined (function)"));
goto pop2_undef;
-#endif /* DUK_USE_JX || DUK_USE_JC */
}
+#else /* DUK_USE_JX || DUK_USE_JC */
+ DUK_DDD(DUK_DDDPRINT("-> will result in undefined (function)"));
+ goto pop2_undef;
+#endif /* DUK_USE_JX || DUK_USE_JC */
}
- } /* end switch */
}
+ } /* end switch */
}
/* [ ... key val ] */
@@ -31079,7 +33255,9 @@ DUK_LOCAL duk_bool_t duk__enc_value(duk_json_enc_ctx *js_ctx, duk_idx_t idx_hold
case DUK_TAG_STRING: {
duk_hstring *h = DUK_TVAL_GET_STRING(tv);
DUK_ASSERT(h != NULL);
-
+ if (DUK_HSTRING_HAS_SYMBOL(h)) {
+ goto pop2_undef;
+ }
duk__enc_quote_string(js_ctx, h);
break;
}
@@ -31099,13 +33277,26 @@ DUK_LOCAL duk_bool_t duk__enc_value(duk_json_enc_ctx *js_ctx, duk_idx_t idx_hold
}
break;
}
-#if defined(DUK_USE_JX) || defined(DUK_USE_JC)
- /* When JX/JC not in use, the type mask above will avoid this case if needed. */
+ /* Because plain buffers mimics Uint8Array, they have enumerable
+ * index properties [0,byteLength[. Because JSON only serializes
+ * enumerable own properties, no properties can be serialized for
+ * plain buffers (all virtual properties are non-enumerable). However,
+ * there may be a .toJSON() method which was already handled above.
+ */
case DUK_TAG_BUFFER: {
- duk__enc_buffer(js_ctx, DUK_TVAL_GET_BUFFER(tv));
+#if defined(DUK_USE_JX) || defined(DUK_USE_JC)
+ if (js_ctx->flag_ext_custom_or_compatible) {
+ duk__enc_buffer(js_ctx, DUK_TVAL_GET_BUFFER(tv));
+ break;
+ }
+#endif
+ /* Could implement a fast path, but object coerce and
+ * serialize the result for now.
+ */
+ duk_to_object(ctx, -1);
+ duk__enc_object(js_ctx);
break;
}
-#endif /* DUK_USE_JX || DUK_USE_JC */
case DUK_TAG_LIGHTFUNC: {
#if defined(DUK_USE_JX) || defined(DUK_USE_JC)
/* We only get here when doing non-standard JSON encoding */
@@ -31137,7 +33328,9 @@ DUK_LOCAL duk_bool_t duk__enc_value(duk_json_enc_ctx *js_ctx, duk_idx_t idx_hold
}
}
+#if defined(DUK_USE_JX) || defined(DUK_USE_JC)
pop2_emitted:
+#endif
duk_pop_2(ctx); /* [ ... key val ] -> [ ... ] */
return 1; /* emitted */
@@ -31148,13 +33341,24 @@ DUK_LOCAL duk_bool_t duk__enc_value(duk_json_enc_ctx *js_ctx, duk_idx_t idx_hold
/* E5 Section 15.12.3, main algorithm, step 4.b.ii steps 1-4. */
DUK_LOCAL duk_bool_t duk__enc_allow_into_proplist(duk_tval *tv) {
- duk_hobject *h;
duk_small_int_t c;
+ /* XXX: some kind of external internal type checker?
+ * - type mask; symbol flag; class mask
+ */
DUK_ASSERT(tv != NULL);
- if (DUK_TVAL_IS_STRING(tv) || DUK_TVAL_IS_NUMBER(tv)) {
+ if (DUK_TVAL_IS_STRING(tv)) {
+ duk_hstring *h;
+ h = DUK_TVAL_GET_STRING(tv);
+ DUK_ASSERT(h != NULL);
+ if (DUK_HSTRING_HAS_SYMBOL(h)) {
+ return 0;
+ }
+ return 1;
+ } else if (DUK_TVAL_IS_NUMBER(tv)) {
return 1;
} else if (DUK_TVAL_IS_OBJECT(tv)) {
+ duk_hobject *h;
h = DUK_TVAL_GET_OBJECT(tv);
DUK_ASSERT(h != NULL);
c = (duk_small_int_t) DUK_HOBJECT_GET_CLASS_NUMBER(h);
@@ -31214,9 +33418,11 @@ DUK_LOCAL duk_bool_t duk__json_stringify_fast_value(duk_json_enc_ctx *js_ctx, du
}
case DUK_TAG_STRING: {
duk_hstring *h;
-
h = DUK_TVAL_GET_STRING(tv);
DUK_ASSERT(h != NULL);
+ if (DUK_HSTRING_HAS_SYMBOL(h)) {
+ goto emit_undefined;
+ }
duk__enc_quote_string(js_ctx, h);
break;
}
@@ -31225,7 +33431,7 @@ DUK_LOCAL duk_bool_t duk__json_stringify_fast_value(duk_json_enc_ctx *js_ctx, du
duk_tval *tv_val;
duk_bool_t emitted = 0;
duk_uint32_t c_bit, c_all, c_array, c_unbox, c_undef,
- c_func, c_bufobj, c_object;
+ c_func, c_bufobj, c_object, c_abort;
/* For objects JSON.stringify() only looks for own, enumerable
* properties which is nice for the fast path here.
@@ -31311,11 +33517,12 @@ DUK_LOCAL duk_bool_t duk__json_stringify_fast_value(duk_json_enc_ctx *js_ctx, du
c_unbox = DUK_HOBJECT_CMASK_NUMBER |
DUK_HOBJECT_CMASK_STRING |
DUK_HOBJECT_CMASK_BOOLEAN |
- DUK_HOBJECT_CMASK_POINTER;
+ DUK_HOBJECT_CMASK_POINTER; /* Symbols are not unboxed. */
c_func = DUK_HOBJECT_CMASK_FUNCTION;
- c_bufobj = DUK_HOBJECT_CMASK_ALL_BUFFEROBJECTS;
+ c_bufobj = DUK_HOBJECT_CMASK_ALL_BUFOBJS;
c_undef = 0;
- c_object = c_all & ~(c_array | c_unbox | c_func | c_bufobj | c_undef);
+ c_abort = 0;
+ c_object = c_all & ~(c_array | c_unbox | c_func | c_bufobj | c_undef | c_abort);
}
else
#endif
@@ -31324,13 +33531,17 @@ DUK_LOCAL duk_bool_t duk__json_stringify_fast_value(duk_json_enc_ctx *js_ctx, du
c_array = DUK_HOBJECT_CMASK_ARRAY;
c_unbox = DUK_HOBJECT_CMASK_NUMBER |
DUK_HOBJECT_CMASK_STRING |
- DUK_HOBJECT_CMASK_BOOLEAN;
+ DUK_HOBJECT_CMASK_BOOLEAN; /* Symbols are not unboxed. */
c_func = 0;
c_bufobj = 0;
c_undef = DUK_HOBJECT_CMASK_FUNCTION |
- DUK_HOBJECT_CMASK_POINTER |
- DUK_HOBJECT_CMASK_ALL_BUFFEROBJECTS;
- c_object = c_all & ~(c_array | c_unbox | c_func | c_bufobj | c_undef);
+ DUK_HOBJECT_CMASK_POINTER;
+ /* As the fast path doesn't currently properly support
+ * duk_hbufobj virtual properties, abort fast path if
+ * we encounter them in plain JSON mode.
+ */
+ c_abort = DUK_HOBJECT_CMASK_ALL_BUFOBJS;
+ c_object = c_all & ~(c_array | c_unbox | c_func | c_bufobj | c_undef | c_abort);
}
c_bit = DUK_HOBJECT_GET_CLASS_MASK(obj);
@@ -31355,6 +33566,15 @@ DUK_LOCAL duk_bool_t duk__json_stringify_fast_value(duk_json_enc_ctx *js_ctx, du
if (!k) {
continue;
}
+ if (DUK_HSTRING_HAS_ARRIDX(k)) {
+ /* If an object has array index keys we would need
+ * to sort them into the ES2015 enumeration order to
+ * be consistent with the slow path. Abort the fast
+ * path and handle in the slow path for now.
+ */
+ DUK_DD(DUK_DDPRINT("property key is an array index, abort fast path"));
+ goto abort_fastpath;
+ }
if (!DUK_HOBJECT_E_SLOT_IS_ENUMERABLE(js_ctx->thr->heap, obj, i)) {
continue;
}
@@ -31365,7 +33585,7 @@ DUK_LOCAL duk_bool_t duk__json_stringify_fast_value(duk_json_enc_ctx *js_ctx, du
DUK_DD(DUK_DDPRINT("property is an accessor, abort fast path"));
goto abort_fastpath;
}
- if (DUK_HSTRING_HAS_INTERNAL(k)) {
+ if (DUK_HSTRING_HAS_SYMBOL(k)) {
continue;
}
@@ -31391,8 +33611,8 @@ DUK_LOCAL duk_bool_t duk__json_stringify_fast_value(duk_json_enc_ctx *js_ctx, du
}
/* If any non-Array value had enumerable virtual own
- * properties, they should be serialized here. Standard
- * types don't.
+ * properties, they should be serialized here (actually,
+ * before the explicit properties). Standard types don't.
*/
if (emitted) {
@@ -31416,62 +33636,58 @@ DUK_LOCAL duk_bool_t duk__json_stringify_fast_value(duk_json_enc_ctx *js_ctx, du
goto abort_fastpath;
}
- arr_len = (duk_uint_fast32_t) duk_hobject_get_length(js_ctx->thr, obj);
+ arr_len = (duk_uint_fast32_t) ((duk_harray *) obj)->length;
asize = (duk_uint_fast32_t) DUK_HOBJECT_GET_ASIZE(obj);
- if (arr_len > asize) {
- /* Array length is larger than 'asize'. This shouldn't
- * happen in practice. Bail out just in case.
- */
- DUK_DD(DUK_DDPRINT("arr_len > asize, abort fast path"));
- goto abort_fastpath;
- }
/* Array part may be larger than 'length'; if so, iterate
- * only up to array 'length'.
+ * only up to array 'length'. Array part may also be smaller
+ * than 'length' in some cases.
*/
for (i = 0; i < arr_len; i++) {
- DUK_ASSERT(i < (duk_uint_fast32_t) DUK_HOBJECT_GET_ASIZE(obj));
-
- tv_val = DUK_HOBJECT_A_GET_VALUE_PTR(js_ctx->thr->heap, obj, i);
+ duk_tval *tv_arrval;
+ duk_hstring *h_tmp;
+ duk_bool_t has_inherited;
if (DUK_UNLIKELY(js_ctx->h_gap != NULL)) {
duk__enc_newline_indent(js_ctx, js_ctx->recursion_depth);
}
- if (DUK_UNLIKELY(DUK_TVAL_IS_UNUSED(tv_val))) {
- /* Gap in array; check for inherited property,
- * bail out if one exists. This should be enough
- * to support gappy arrays for all practical code.
- */
- duk_hstring *h_tmp;
- duk_bool_t has_inherited;
-
- /* XXX: refactor into an internal helper, pretty awkward */
- duk_push_uint((duk_context *) js_ctx->thr, (duk_uint_t) i);
- h_tmp = duk_to_hstring((duk_context *) js_ctx->thr, -1);
- DUK_ASSERT(h_tmp != NULL);
- has_inherited = duk_hobject_hasprop_raw(js_ctx->thr, obj, h_tmp);
- duk_pop((duk_context *) js_ctx->thr);
-
- if (has_inherited) {
- DUK_D(DUK_DPRINT("gap in array, conflicting inherited property, abort fast path"));
- goto abort_fastpath;
+ if (DUK_LIKELY(i < asize)) {
+ tv_arrval = DUK_HOBJECT_A_GET_VALUE_PTR(js_ctx->thr->heap, obj, i);
+ if (DUK_LIKELY(!DUK_TVAL_IS_UNUSED(tv_arrval))) {
+ /* Expected case: element is present. */
+ if (duk__json_stringify_fast_value(js_ctx, tv_arrval) == 0) {
+ DUK__EMIT_STRIDX(js_ctx, DUK_STRIDX_LC_NULL);
+ }
+ goto elem_done;
}
+ }
- /* Ordinary gap, undefined encodes to 'null' in
- * standard JSON (and no JX/JC support here now).
- */
- DUK_D(DUK_DPRINT("gap in array, no conflicting inherited property, remain on fast path"));
+ /* Gap in array; check for inherited property,
+ * bail out if one exists. This should be enough
+ * to support gappy arrays for all practical code.
+ */
+
+ h_tmp = duk_push_uint_to_hstring((duk_context *) js_ctx->thr, (duk_uint_t) i);
+ has_inherited = duk_hobject_hasprop_raw(js_ctx->thr, obj, h_tmp);
+ duk_pop((duk_context *) js_ctx->thr);
+ if (has_inherited) {
+ DUK_D(DUK_DPRINT("gap in array, conflicting inherited property, abort fast path"));
+ goto abort_fastpath;
+ }
+
+ /* Ordinary gap, undefined encodes to 'null' in
+ * standard JSON, but JX/JC use their form for
+ * undefined to better preserve the typing.
+ */
+ DUK_D(DUK_DPRINT("gap in array, no conflicting inherited property, remain on fast path"));
#if defined(DUK_USE_JX)
- DUK__EMIT_STRIDX(js_ctx, js_ctx->stridx_custom_undefined);
+ DUK__EMIT_STRIDX(js_ctx, js_ctx->stridx_custom_undefined);
#else
- DUK__EMIT_STRIDX(js_ctx, DUK_STRIDX_LC_NULL);
+ DUK__EMIT_STRIDX(js_ctx, DUK_STRIDX_LC_NULL);
#endif
- } else {
- if (duk__json_stringify_fast_value(js_ctx, tv_val) == 0) {
- DUK__EMIT_STRIDX(js_ctx, DUK_STRIDX_LC_NULL);
- }
- }
+ /* fall through */
+ elem_done:
DUK__EMIT_1(js_ctx, DUK_ASC_COMMA);
emitted = 1;
}
@@ -31490,6 +33706,8 @@ DUK_LOCAL duk_bool_t duk__json_stringify_fast_value(duk_json_enc_ctx *js_ctx, du
* automatic unboxing. Rely on internal value being
* sane (to avoid infinite recursion).
*/
+ DUK_ASSERT((c_bit & DUK_HOBJECT_CMASK_SYMBOL) == 0); /* Symbols are not unboxed. */
+
#if 1
/* The code below is incorrect if .toString() or .valueOf() have
* have been overridden. The correct approach would be to look up
@@ -31519,9 +33737,14 @@ DUK_LOCAL duk_bool_t duk__json_stringify_fast_value(duk_json_enc_ctx *js_ctx, du
#if defined(DUK_USE_JX) || defined(DUK_USE_JC)
} else if (c_bit & c_func) {
DUK__EMIT_STRIDX(js_ctx, js_ctx->stridx_custom_function);
+#if defined(DUK_USE_BUFFEROBJECT_SUPPORT)
} else if (c_bit & c_bufobj) {
- duk__enc_bufferobject(js_ctx, (duk_hbufferobject *) obj);
+ duk__enc_bufobj(js_ctx, (duk_hbufobj *) obj);
+#endif
#endif
+ } else if (c_bit & c_abort) {
+ DUK_DD(DUK_DDPRINT("abort fast path for unsupported type"));
+ goto abort_fastpath;
} else {
DUK_ASSERT((c_bit & c_undef) != 0);
@@ -31538,16 +33761,31 @@ DUK_LOCAL duk_bool_t duk__json_stringify_fast_value(duk_json_enc_ctx *js_ctx, du
break;
}
case DUK_TAG_BUFFER: {
+ /* Plain buffers are treated like Uint8Arrays: they have
+ * enumerable indices. Other virtual properties are not
+ * enumerable, and inherited properties are not serialized.
+ * However, there can be a replacer (not relevant here) or
+ * a .toJSON() method (which we need to check for explicitly).
+ */
+
+#if defined(DUK_USE_BUFFEROBJECT_SUPPORT)
+ if (duk_hobject_hasprop_raw(js_ctx->thr,
+ js_ctx->thr->builtins[DUK_BIDX_UINT8ARRAY_PROTOTYPE],
+ DUK_HTHREAD_STRING_TO_JSON(js_ctx->thr))) {
+ DUK_DD(DUK_DDPRINT("value is a plain buffer and there's an inherited .toJSON, abort fast path"));
+ goto abort_fastpath;
+ }
+#endif
+
#if defined(DUK_USE_JX) || defined(DUK_USE_JC)
if (js_ctx->flag_ext_custom_or_compatible) {
duk__enc_buffer(js_ctx, DUK_TVAL_GET_BUFFER(tv));
break;
- } else {
- goto emit_undefined;
}
-#else
- goto emit_undefined;
#endif
+ /* Could implement a fast path, but abort fast path for now. */
+ DUK_DD(DUK_DDPRINT("value is a plain buffer and serializing as plain JSON, abort fast path"));
+ goto abort_fastpath;
}
case DUK_TAG_POINTER: {
#if defined(DUK_USE_JX) || defined(DUK_USE_JC)
@@ -31613,24 +33851,24 @@ DUK_LOCAL duk_bool_t duk__json_stringify_fast_value(duk_json_enc_ctx *js_ctx, du
abort_fastpath:
/* Error message doesn't matter: the error is ignored anyway. */
DUK_DD(DUK_DDPRINT("aborting fast path"));
- DUK_ERROR_INTERNAL_DEFMSG(js_ctx->thr);
+ DUK_ERROR_INTERNAL(js_ctx->thr);
return 0; /* unreachable */
}
-DUK_LOCAL duk_ret_t duk__json_stringify_fast(duk_context *ctx) {
+DUK_LOCAL duk_ret_t duk__json_stringify_fast(duk_context *ctx, void *udata) {
duk_json_enc_ctx *js_ctx;
duk_tval *tv;
DUK_ASSERT(ctx != NULL);
- tv = DUK_GET_TVAL_NEGIDX(ctx, -2);
- DUK_ASSERT(DUK_TVAL_IS_POINTER(tv));
- js_ctx = (duk_json_enc_ctx *) DUK_TVAL_GET_POINTER(tv);
+ DUK_ASSERT(udata != NULL);
+
+ js_ctx = (duk_json_enc_ctx *) udata;
DUK_ASSERT(js_ctx != NULL);
tv = DUK_GET_TVAL_NEGIDX(ctx, -1);
if (duk__json_stringify_fast_value(js_ctx, tv) == 0) {
DUK_DD(DUK_DDPRINT("top level value not supported, fail fast path"));
- return DUK_RET_ERROR; /* error message doesn't matter, ignored anyway */
+ DUK_DCERROR_TYPE_INVALID_ARGS((duk_hthread *) ctx); /* Error message is ignored, so doesn't matter. */
}
return 0;
@@ -31650,7 +33888,7 @@ void duk_bi_json_parse_helper(duk_context *ctx,
duk_json_dec_ctx js_ctx_alloc;
duk_json_dec_ctx *js_ctx = &js_ctx_alloc;
duk_hstring *h_text;
-#ifdef DUK_USE_ASSERTIONS
+#if defined(DUK_USE_ASSERTIONS)
duk_idx_t entry_top = duk_get_top(ctx);
#endif
@@ -31666,7 +33904,7 @@ void duk_bi_json_parse_helper(duk_context *ctx,
DUK_MEMZERO(&js_ctx_alloc, sizeof(js_ctx_alloc));
js_ctx->thr = thr;
-#ifdef DUK_USE_EXPLICIT_NULL_INIT
+#if defined(DUK_USE_EXPLICIT_NULL_INIT)
/* nothing now */
#endif
js_ctx->recursion_limit = DUK_USE_JSON_DEC_RECLIMIT;
@@ -31687,7 +33925,7 @@ void duk_bi_json_parse_helper(duk_context *ctx,
js_ctx->flag_ext_custom_or_compatible = flags & (DUK_JSON_FLAG_EXT_CUSTOM | DUK_JSON_FLAG_EXT_COMPATIBLE);
#endif
- h_text = duk_to_hstring(ctx, idx_value); /* coerce in-place */
+ h_text = duk_to_hstring(ctx, idx_value); /* coerce in-place; rejects Symbols */
DUK_ASSERT(h_text != NULL);
/* JSON parsing code is allowed to read [p_start,p_end]: p_end is
@@ -31717,8 +33955,8 @@ void duk_bi_json_parse_helper(duk_context *ctx,
js_ctx->idx_reviver = idx_reviver;
duk_push_object(ctx);
- duk_dup(ctx, -2); /* -> [ ... val root val ] */
- duk_put_prop_stridx(ctx, -2, DUK_STRIDX_EMPTY_STRING); /* default attrs ok */
+ duk_dup_m2(ctx); /* -> [ ... val root val ] */
+ duk_put_prop_stridx_short(ctx, -2, DUK_STRIDX_EMPTY_STRING); /* default attrs ok */
duk_push_hstring_stridx(ctx, DUK_STRIDX_EMPTY_STRING); /* -> [ ... val root "" ] */
DUK_DDD(DUK_DDDPRINT("start reviver walk, root=%!T, name=%!T",
@@ -31726,7 +33964,7 @@ void duk_bi_json_parse_helper(duk_context *ctx,
(duk_tval *) duk_get_tval(ctx, -1)));
duk__dec_reviver_walk(js_ctx); /* [ ... val root "" ] -> [ ... val val' ] */
- duk_remove(ctx, -2); /* -> [ ... val' ] */
+ duk_remove_m2(ctx); /* -> [ ... val' ] */
} else {
DUK_DDD(DUK_DDDPRINT("reviver does not exist or is not callable: %!T",
(duk_tval *) duk_get_tval(ctx, idx_reviver)));
@@ -31777,7 +34015,7 @@ void duk_bi_json_stringify_helper(duk_context *ctx,
DUK_MEMZERO(&js_ctx_alloc, sizeof(js_ctx_alloc));
js_ctx->thr = thr;
-#ifdef DUK_USE_EXPLICIT_NULL_INIT
+#if defined(DUK_USE_EXPLICIT_NULL_INIT)
js_ctx->h_replacer = NULL;
js_ctx->h_gap = NULL;
#endif
@@ -31790,17 +34028,17 @@ void duk_bi_json_stringify_helper(duk_context *ctx,
js_ctx->flags = flags;
js_ctx->flag_ascii_only = flags & DUK_JSON_FLAG_ASCII_ONLY;
js_ctx->flag_avoid_key_quotes = flags & DUK_JSON_FLAG_AVOID_KEY_QUOTES;
-#ifdef DUK_USE_JX
+#if defined(DUK_USE_JX)
js_ctx->flag_ext_custom = flags & DUK_JSON_FLAG_EXT_CUSTOM;
#endif
-#ifdef DUK_USE_JC
+#if defined(DUK_USE_JC)
js_ctx->flag_ext_compatible = flags & DUK_JSON_FLAG_EXT_COMPATIBLE;
#endif
#if defined(DUK_USE_JX) || defined(DUK_USE_JC)
js_ctx->flag_ext_custom_or_compatible = flags & (DUK_JSON_FLAG_EXT_CUSTOM | DUK_JSON_FLAG_EXT_COMPATIBLE);
#endif
- /* The #ifdef clutter here handles the JX/JC enable/disable
+ /* The #if defined() clutter here handles the JX/JC enable/disable
* combinations properly.
*/
#if defined(DUK_USE_JX) || defined(DUK_USE_JC)
@@ -31839,15 +34077,19 @@ void duk_bi_json_stringify_helper(duk_context *ctx,
else
#endif /* DUK_USE_JX || DUK_USE_JC */
{
+ /* Plain buffer is treated like ArrayBuffer and serialized.
+ * Lightfuncs are treated like objects, but JSON explicitly
+ * skips serializing Function objects so we can just reject
+ * lightfuncs here.
+ */
js_ctx->mask_for_undefined = DUK_TYPE_MASK_UNDEFINED |
DUK_TYPE_MASK_POINTER |
- DUK_TYPE_MASK_BUFFER |
DUK_TYPE_MASK_LIGHTFUNC;
}
DUK_BW_INIT_PUSHBUF(thr, &js_ctx->bw, DUK__JSON_STRINGIFY_BUFSIZE);
- js_ctx->idx_loop = duk_push_object_internal(ctx);
+ js_ctx->idx_loop = duk_push_bare_object(ctx);
DUK_ASSERT(js_ctx->idx_loop >= 0);
/* [ ... buf loop ] */
@@ -31929,14 +34171,12 @@ void duk_bi_json_stringify_helper(duk_context *ctx,
DUK_ASSERT(nspace >= 0 && nspace <= 10);
duk_push_lstring(ctx, spaces, (duk_size_t) nspace);
- js_ctx->h_gap = duk_get_hstring(ctx, -1);
+ js_ctx->h_gap = duk_known_hstring(ctx, -1);
DUK_ASSERT(js_ctx->h_gap != NULL);
- } else if (duk_is_string(ctx, idx_space)) {
- /* XXX: substring in-place at idx_place? */
+ } else if (duk_is_string_notsymbol(ctx, idx_space)) {
duk_dup(ctx, idx_space);
duk_substring(ctx, -1, 0, 10); /* clamp to 10 chars */
- js_ctx->h_gap = duk_get_hstring(ctx, -1);
- DUK_ASSERT(js_ctx->h_gap != NULL);
+ js_ctx->h_gap = duk_known_hstring(ctx, -1);
} else {
/* nop */
}
@@ -31959,9 +34199,7 @@ void duk_bi_json_stringify_helper(duk_context *ctx,
if (js_ctx->h_replacer == NULL && /* replacer is a mutation risk */
js_ctx->idx_proplist == -1) { /* proplist is very rare */
duk_int_t pcall_rc;
-#ifdef DUK_USE_MARK_AND_SWEEP
duk_small_uint_t prev_mark_and_sweep_base_flags;
-#endif
DUK_DD(DUK_DDPRINT("try JSON.stringify() fast path"));
@@ -31980,22 +34218,18 @@ void duk_bi_json_stringify_helper(duk_context *ctx,
* limited loop detection).
*/
- duk_push_pointer(ctx, (void *) js_ctx);
duk_dup(ctx, idx_value);
-#if defined(DUK_USE_MARK_AND_SWEEP)
/* Must prevent finalizers which may have arbitrary side effects. */
prev_mark_and_sweep_base_flags = thr->heap->mark_and_sweep_base_flags;
thr->heap->mark_and_sweep_base_flags |=
DUK_MS_FLAG_NO_FINALIZERS | /* avoid attempts to add/remove object keys */
DUK_MS_FLAG_NO_OBJECT_COMPACTION; /* avoid attempt to compact any objects */
-#endif
- pcall_rc = duk_safe_call(ctx, duk__json_stringify_fast, 2 /*nargs*/, 0 /*nret*/);
+ pcall_rc = duk_safe_call(ctx, duk__json_stringify_fast, (void *) js_ctx /*udata*/, 1 /*nargs*/, 0 /*nret*/);
-#if defined(DUK_USE_MARK_AND_SWEEP)
thr->heap->mark_and_sweep_base_flags = prev_mark_and_sweep_base_flags;
-#endif
+
if (pcall_rc == DUK_EXEC_SUCCESS) {
DUK_DD(DUK_DDPRINT("fast path successful"));
DUK_BW_PUSH_AS_STRING(thr, &js_ctx->bw);
@@ -32019,7 +34253,7 @@ void duk_bi_json_stringify_helper(duk_context *ctx,
idx_holder = duk_push_object(ctx);
duk_dup(ctx, idx_value);
- duk_put_prop_stridx(ctx, -2, DUK_STRIDX_EMPTY_STRING);
+ duk_put_prop_stridx_short(ctx, -2, DUK_STRIDX_EMPTY_STRING);
DUK_DDD(DUK_DDDPRINT("before: flags=0x%08lx, loop=%!T, replacer=%!O, "
"proplist=%!T, gap=%!O, holder=%!T",
@@ -32032,7 +34266,7 @@ void duk_bi_json_stringify_helper(duk_context *ctx,
/* serialize the wrapper with empty string key */
- duk_push_hstring_stridx(ctx, DUK_STRIDX_EMPTY_STRING);
+ duk_push_hstring_empty(ctx);
/* [ ... buf loop (proplist) (gap) holder "" ] */
@@ -32078,6 +34312,8 @@ void duk_bi_json_stringify_helper(duk_context *ctx,
DUK_ASSERT(duk_get_top(ctx) == entry_top + 1);
}
+#if defined(DUK_USE_JSON_BUILTIN)
+
/*
* Entry points
*/
@@ -32099,318 +34335,28 @@ DUK_INTERNAL duk_ret_t duk_bi_json_object_stringify(duk_context *ctx) {
return 1;
}
+#endif /* DUK_USE_JSON_BUILTIN */
+
+#endif /* DUK_USE_JSON_SUPPORT */
+
+/* automatic undefs */
+#undef DUK__EMIT_1
+#undef DUK__EMIT_2
+#undef DUK__EMIT_CSTR
+#undef DUK__EMIT_HSTR
+#undef DUK__EMIT_STRIDX
#undef DUK__JSON_DECSTR_BUFSIZE
#undef DUK__JSON_DECSTR_CHUNKSIZE
#undef DUK__JSON_ENCSTR_CHUNKSIZE
-#undef DUK__JSON_STRINGIFY_BUFSIZE
#undef DUK__JSON_MAX_ESC_LEN
-#line 1 "duk_bi_logger.c"
-/*
- * Logging support
- */
-
-/* include removed: duk_internal.h */
-
-/* 3-letter log level strings */
-DUK_LOCAL const duk_uint8_t duk__log_level_strings[] = {
- (duk_uint8_t) DUK_ASC_UC_T, (duk_uint8_t) DUK_ASC_UC_R, (duk_uint8_t) DUK_ASC_UC_C,
- (duk_uint8_t) DUK_ASC_UC_D, (duk_uint8_t) DUK_ASC_UC_B, (duk_uint8_t) DUK_ASC_UC_G,
- (duk_uint8_t) DUK_ASC_UC_I, (duk_uint8_t) DUK_ASC_UC_N, (duk_uint8_t) DUK_ASC_UC_F,
- (duk_uint8_t) DUK_ASC_UC_W, (duk_uint8_t) DUK_ASC_UC_R, (duk_uint8_t) DUK_ASC_UC_N,
- (duk_uint8_t) DUK_ASC_UC_E, (duk_uint8_t) DUK_ASC_UC_R, (duk_uint8_t) DUK_ASC_UC_R,
- (duk_uint8_t) DUK_ASC_UC_F, (duk_uint8_t) DUK_ASC_UC_T, (duk_uint8_t) DUK_ASC_UC_L
-};
-
-/* Constructor */
-DUK_INTERNAL duk_ret_t duk_bi_logger_constructor(duk_context *ctx) {
- duk_hthread *thr = (duk_hthread *) ctx;
- duk_idx_t nargs;
-
- /* Calling as a non-constructor is not meaningful. */
- if (!duk_is_constructor_call(ctx)) {
- return DUK_RET_TYPE_ERROR;
- }
-
- nargs = duk_get_top(ctx);
- duk_set_top(ctx, 1);
-
- duk_push_this(ctx);
-
- /* [ name this ] */
-
- if (nargs == 0) {
- /* Automatic defaulting of logger name from caller. This would
- * work poorly with tail calls, but constructor calls are currently
- * never tail calls, so tail calls are not an issue now.
- */
-
- if (thr->callstack_top >= 2) {
- duk_activation *act_caller = thr->callstack + thr->callstack_top - 2;
- duk_hobject *func_caller;
-
- func_caller = DUK_ACT_GET_FUNC(act_caller);
- if (func_caller) {
- /* Stripping the filename might be a good idea
- * ("/foo/bar/quux.js" -> logger name "quux"),
- * but now used verbatim.
- */
- duk_push_hobject(ctx, func_caller);
- duk_get_prop_stridx(ctx, -1, DUK_STRIDX_FILE_NAME);
- duk_replace(ctx, 0);
- }
- }
- }
- /* the stack is unbalanced here on purpose; we only rely on the
- * initial two values: [ name this ].
- */
-
- if (duk_is_string(ctx, 0)) {
- duk_dup(ctx, 0);
- duk_put_prop_stridx(ctx, 1, DUK_STRIDX_LC_N);
- } else {
- /* don't set 'n' at all, inherited value is used as name */
- }
-
- duk_compact(ctx, 1);
-
- return 0; /* keep default instance */
-}
-
-/* Default function to format objects. Tries to use toLogString() but falls
- * back to toString(). Any errors are propagated out without catching.
- */
-DUK_INTERNAL duk_ret_t duk_bi_logger_prototype_fmt(duk_context *ctx) {
- if (duk_get_prop_stridx(ctx, 0, DUK_STRIDX_TO_LOG_STRING)) {
- /* [ arg toLogString ] */
-
- duk_dup(ctx, 0);
- duk_call_method(ctx, 0);
-
- /* [ arg result ] */
- return 1;
- }
-
- /* [ arg undefined ] */
- duk_pop(ctx);
- duk_to_string(ctx, 0);
- return 1;
-}
-
-/* Default function to write a formatted log line. Writes to stderr,
- * appending a newline to the log line.
- *
- * The argument is a buffer whose visible size contains the log message.
- * This function should avoid coercing the buffer to a string to avoid
- * string table traffic.
- */
-DUK_INTERNAL duk_ret_t duk_bi_logger_prototype_raw(duk_context *ctx) {
- const char *data;
- duk_size_t data_len;
-
- DUK_UNREF(ctx);
- DUK_UNREF(data);
- DUK_UNREF(data_len);
-
-#ifdef DUK_USE_FILE_IO
- data = (const char *) duk_require_buffer(ctx, 0, &data_len);
- DUK_FWRITE((const void *) data, 1, data_len, DUK_STDERR);
- DUK_FPUTC((int) '\n', DUK_STDERR);
- DUK_FFLUSH(DUK_STDERR);
-#else
- /* nop */
-#endif
- return 0;
-}
-
-/* Log frontend shared helper, magic value indicates log level. Provides
- * frontend functions: trace(), debug(), info(), warn(), error(), fatal().
- * This needs to have small footprint, reasonable performance, minimal
- * memory churn, etc.
- */
-DUK_INTERNAL duk_ret_t duk_bi_logger_prototype_log_shared(duk_context *ctx) {
- duk_hthread *thr = (duk_hthread *) ctx;
- duk_double_t now;
- duk_small_int_t entry_lev = duk_get_current_magic(ctx);
- duk_small_int_t logger_lev;
- duk_int_t nargs;
- duk_int_t i;
- duk_size_t tot_len;
- const duk_uint8_t *arg_str;
- duk_size_t arg_len;
- duk_uint8_t *buf, *p;
- const duk_uint8_t *q;
- duk_uint8_t date_buf[DUK_BI_DATE_ISO8601_BUFSIZE];
- duk_size_t date_len;
- duk_small_int_t rc;
-
- DUK_ASSERT(entry_lev >= 0 && entry_lev <= 5);
- DUK_UNREF(thr);
-
- /* XXX: sanitize to printable (and maybe ASCII) */
- /* XXX: better multiline */
-
- /*
- * Logger arguments are:
- *
- * magic: log level (0-5)
- * this: logger
- * stack: plain log args
- *
- * We want to minimize memory churn so a two-pass approach
- * is used: first pass formats arguments and computes final
- * string length, second pass copies strings either into a
- * pre-allocated and reused buffer (short messages) or into a
- * newly allocated fixed buffer. If the backend function plays
- * nice, it won't coerce the buffer to a string (and thus
- * intern it).
- */
-
- nargs = duk_get_top(ctx);
-
- /* [ arg1 ... argN this ] */
-
- /*
- * Log level check
- */
-
- duk_push_this(ctx);
-
- duk_get_prop_stridx(ctx, -1, DUK_STRIDX_LC_L);
- logger_lev = (duk_small_int_t) duk_get_int(ctx, -1);
- if (entry_lev < logger_lev) {
- return 0;
- }
- /* log level could be popped but that's not necessary */
-
- now = DUK_USE_DATE_GET_NOW(ctx);
- duk_bi_date_format_timeval(now, date_buf);
- date_len = DUK_STRLEN((const char *) date_buf);
-
- duk_get_prop_stridx(ctx, -2, DUK_STRIDX_LC_N);
- duk_to_string(ctx, -1);
- DUK_ASSERT(duk_is_string(ctx, -1));
-
- /* [ arg1 ... argN this loggerLevel loggerName ] */
-
- /*
- * Pass 1
- */
-
- /* Line format: <time> <entryLev> <loggerName>: <msg> */
-
- tot_len = 0;
- tot_len += 3 + /* separators: space, space, colon */
- 3 + /* level string */
- date_len + /* time */
- duk_get_length(ctx, -1); /* loggerName */
-
- for (i = 0; i < nargs; i++) {
- /* When formatting an argument to a string, errors may happen from multiple
- * causes. In general we want to catch obvious errors like a toLogString()
- * throwing an error, but we don't currently try to catch every possible
- * error. In particular, internal errors (like out of memory or stack) are
- * not caught. Also, we expect Error toString() to not throw an error.
- */
- if (duk_is_object(ctx, i)) {
- /* duk_pcall_prop() may itself throw an error, but we're content
- * in catching the obvious errors (like toLogString() throwing an
- * error).
- */
- duk_push_hstring_stridx(ctx, DUK_STRIDX_FMT);
- duk_dup(ctx, i);
- /* [ arg1 ... argN this loggerLevel loggerName 'fmt' arg ] */
- /* call: this.fmt(arg) */
- rc = duk_pcall_prop(ctx, -5 /*obj_index*/, 1 /*nargs*/);
- if (rc) {
- /* Keep the error as the result (coercing it might fail below,
- * but we don't catch that now).
- */
- ;
- }
- duk_replace(ctx, i);
- }
- (void) duk_to_lstring(ctx, i, &arg_len);
- tot_len++; /* sep (even before first one) */
- tot_len += arg_len;
- }
-
- /*
- * Pass 2
- */
-
- /* XXX: There used to be a shared log buffer here, but it was removed
- * when dynamic buffer spare was removed. The problem with using
- * bufwriter is that, without the spare, the buffer gets passed on
- * as an argument to the raw() call so it'd need to be resized
- * (reallocated) anyway. If raw() call convention is changed, this
- * could be made more efficient.
- */
-
- buf = (duk_uint8_t *) duk_push_fixed_buffer(ctx, tot_len);
- DUK_ASSERT(buf != NULL);
- p = buf;
-
- DUK_MEMCPY((void *) p, (const void *) date_buf, (size_t) date_len);
- p += date_len;
- *p++ = (duk_uint8_t) DUK_ASC_SPACE;
-
- q = duk__log_level_strings + (entry_lev * 3);
- DUK_MEMCPY((void *) p, (const void *) q, (size_t) 3);
- p += 3;
-
- *p++ = (duk_uint8_t) DUK_ASC_SPACE;
-
- arg_str = (const duk_uint8_t *) duk_get_lstring(ctx, -2, &arg_len);
- DUK_MEMCPY((void *) p, (const void *) arg_str, (size_t) arg_len);
- p += arg_len;
-
- *p++ = (duk_uint8_t) DUK_ASC_COLON;
-
- for (i = 0; i < nargs; i++) {
- *p++ = (duk_uint8_t) DUK_ASC_SPACE;
-
- arg_str = (const duk_uint8_t *) duk_get_lstring(ctx, i, &arg_len);
- DUK_ASSERT(arg_str != NULL);
- DUK_MEMCPY((void *) p, (const void *) arg_str, (size_t) arg_len);
- p += arg_len;
- }
- DUK_ASSERT(buf + tot_len == p);
-
- /* [ arg1 ... argN this loggerLevel loggerName buffer ] */
-
-#if defined(DUK_USE_DEBUGGER_SUPPORT) && defined(DUK_USE_DEBUGGER_FWD_LOGGING)
- /* Do debugger forwarding before raw() because the raw() function
- * doesn't get the log level right now.
- */
- if (DUK_HEAP_IS_DEBUGGER_ATTACHED(thr->heap)) {
- const char *log_buf;
- duk_size_t sz_buf;
- log_buf = (const char *) duk_get_buffer(ctx, -1, &sz_buf);
- DUK_ASSERT(log_buf != NULL);
- duk_debug_write_notify(thr, DUK_DBG_CMD_LOG);
- duk_debug_write_int(thr, (duk_int32_t) entry_lev);
- duk_debug_write_string(thr, (const char *) log_buf, sz_buf);
- duk_debug_write_eom(thr);
- }
-#endif
-
- /* Call this.raw(msg); look up through the instance allows user to override
- * the raw() function in the instance or in the prototype for maximum
- * flexibility.
- */
- duk_push_hstring_stridx(ctx, DUK_STRIDX_RAW);
- duk_dup(ctx, -2);
- /* [ arg1 ... argN this loggerLevel loggerName buffer 'raw' buffer ] */
- duk_call_prop(ctx, -6, 1); /* this.raw(buffer) */
-
- return 0;
-}
-#line 1 "duk_bi_math.c"
+#undef DUK__JSON_STRINGIFY_BUFSIZE
+#undef DUK__MKESC
+#undef DUK__UNEMIT_1
/*
* Math built-ins
*/
-/* include removed: duk_internal.h */
+/* #include duk_internal.h -> already included */
#if defined(DUK_USE_MATH_BUILTIN)
@@ -32462,18 +34408,26 @@ DUK_LOCAL double duk__fmin_fixed(double x, double y) {
* -0 as Ecmascript requires.
*/
if (x == 0 && y == 0) {
+ duk_double_union du1, du2;
+ du1.d = x;
+ du2.d = y;
+
+ /* Already checked to be zero so these must hold, and allow us
+ * to check for "x is -0 or y is -0" by ORing the high parts
+ * for comparison.
+ */
+ DUK_ASSERT(du1.ui[DUK_DBL_IDX_UI0] == 0 || du1.ui[DUK_DBL_IDX_UI0] == 0x80000000UL);
+ DUK_ASSERT(du2.ui[DUK_DBL_IDX_UI0] == 0 || du2.ui[DUK_DBL_IDX_UI0] == 0x80000000UL);
+
/* XXX: what's the safest way of creating a negative zero? */
- if (DUK_SIGNBIT(x) != 0 || DUK_SIGNBIT(y) != 0) {
+ if ((du1.ui[DUK_DBL_IDX_UI0] | du2.ui[DUK_DBL_IDX_UI0]) != 0) {
+ /* Enter here if either x or y (or both) is -0. */
return -0.0;
} else {
return +0.0;
}
}
-#ifdef DUK_USE_MATH_FMIN
- return DUK_FMIN(x, y);
-#else
- return (x < y ? x : y);
-#endif
+ return duk_double_fmin(x, y);
}
DUK_LOCAL double duk__fmax_fixed(double x, double y) {
@@ -32487,13 +34441,62 @@ DUK_LOCAL double duk__fmax_fixed(double x, double y) {
return -0.0;
}
}
-#ifdef DUK_USE_MATH_FMAX
- return DUK_FMAX(x, y);
+ return duk_double_fmax(x, y);
+}
+
+#if defined(DUK_USE_ES6)
+DUK_LOCAL double duk__cbrt(double x) {
+ /* cbrt() is C99. To avoid hassling embedders with the need to provide a
+ * cube root function, we can get by with pow(). The result is not
+ * identical, but that's OK: ES2015 says it's implementation-dependent.
+ */
+
+#if defined(DUK_CBRT)
+ /* cbrt() matches ES2015 requirements. */
+ return DUK_CBRT(x);
+#else
+ duk_small_int_t c = (duk_small_int_t) DUK_FPCLASSIFY(x);
+
+ /* pow() does not, however. */
+ if (c == DUK_FP_NAN || c == DUK_FP_INFINITE || c == DUK_FP_ZERO) {
+ return x;
+ }
+ if (DUK_SIGNBIT(x)) {
+ return -DUK_POW(-x, 1.0 / 3.0);
+ } else {
+ return DUK_POW(x, 1.0 / 3.0);
+ }
+#endif
+}
+
+DUK_LOCAL double duk__log2(double x) {
+#if defined(DUK_LOG2)
+ return DUK_LOG2(x);
#else
- return (x > y ? x : y);
+ return DUK_LOG(x) * DUK_DOUBLE_LOG2E;
#endif
}
+DUK_LOCAL double duk__log10(double x) {
+#if defined(DUK_LOG10)
+ return DUK_LOG10(x);
+#else
+ return DUK_LOG(x) * DUK_DOUBLE_LOG10E;
+#endif
+}
+
+DUK_LOCAL double duk__trunc(double x) {
+#if defined(DUK_TRUNC)
+ return DUK_TRUNC(x);
+#else
+ /* Handles -0 correctly: -0.0 matches 'x >= 0.0' but floor()
+ * is required to return -0 when the argument is -0.
+ */
+ return x >= 0.0 ? DUK_FLOOR(x) : DUK_CEIL(x);
+#endif
+}
+#endif /* DUK_USE_ES6 */
+
DUK_LOCAL double duk__round_fixed(double x) {
/* Numbers half-way between integers must be rounded towards +Infinity,
* e.g. -3.5 must be rounded to -3 (not -4). When rounded to zero, zero
@@ -32535,70 +34538,6 @@ DUK_LOCAL double duk__round_fixed(double x) {
return DUK_FLOOR(x + 0.5);
}
-DUK_LOCAL double duk__pow_fixed(double x, double y) {
- /* The ANSI C pow() semantics differ from Ecmascript.
- *
- * E.g. when x==1 and y is +/- infinite, the Ecmascript required
- * result is NaN, while at least Linux pow() returns 1.
- */
-
- duk_small_int_t cx, cy, sx;
-
- DUK_UNREF(cx);
- DUK_UNREF(sx);
- cy = (duk_small_int_t) DUK_FPCLASSIFY(y);
-
- if (cy == DUK_FP_NAN) {
- goto ret_nan;
- }
- if (DUK_FABS(x) == 1.0 && cy == DUK_FP_INFINITE) {
- goto ret_nan;
- }
-#if defined(DUK_USE_POW_NETBSD_WORKAROUND)
- /* See test-bug-netbsd-math-pow.js: NetBSD 6.0 on x86 (at least) does not
- * correctly handle some cases where x=+/-0. Specific fixes to these
- * here.
- */
- cx = (duk_small_int_t) DUK_FPCLASSIFY(x);
- if (cx == DUK_FP_ZERO && y < 0.0) {
- sx = (duk_small_int_t) DUK_SIGNBIT(x);
- if (sx == 0) {
- /* Math.pow(+0,y) should be Infinity when y<0. NetBSD pow()
- * returns -Infinity instead when y is <0 and finite. The
- * if-clause also catches y == -Infinity (which works even
- * without the fix).
- */
- return DUK_DOUBLE_INFINITY;
- } else {
- /* Math.pow(-0,y) where y<0 should be:
- * - -Infinity if y<0 and an odd integer
- * - Infinity otherwise
- * NetBSD pow() returns -Infinity for all finite y<0. The
- * if-clause also catches y == -Infinity (which works even
- * without the fix).
- */
-
- /* fmod() return value has same sign as input (negative) so
- * the result here will be in the range ]-2,0], 1 indicates
- * odd. If x is -Infinity, NaN is returned and the odd check
- * always concludes "not odd" which results in desired outcome.
- */
- double tmp = DUK_FMOD(y, 2);
- if (tmp == -1.0) {
- return -DUK_DOUBLE_INFINITY;
- } else {
- /* Not odd, or y == -Infinity */
- return DUK_DOUBLE_INFINITY;
- }
- }
- }
-#endif
- return DUK_POW(x, y);
-
- ret_nan:
- return DUK_DOUBLE_NAN;
-}
-
/* Wrappers for calling standard math library methods. These may be required
* on platforms where one or more of the math built-ins are defined as macros
* or inline functions and are thus not suitable to be used as function pointers.
@@ -32640,7 +34579,34 @@ DUK_LOCAL double duk__sqrt(double x) {
DUK_LOCAL double duk__tan(double x) {
return DUK_TAN(x);
}
-DUK_LOCAL double duk__atan2(double x, double y) {
+DUK_LOCAL double duk__atan2_fixed(double x, double y) {
+#if defined(DUK_USE_ATAN2_WORKAROUNDS)
+ /* Specific fixes to common atan2() implementation issues:
+ * - test-bug-mingw-math-issues.js
+ */
+ if (DUK_ISINF(x) && DUK_ISINF(y)) {
+ if (DUK_SIGNBIT(x)) {
+ if (DUK_SIGNBIT(y)) {
+ return -2.356194490192345;
+ } else {
+ return -0.7853981633974483;
+ }
+ } else {
+ if (DUK_SIGNBIT(y)) {
+ return 2.356194490192345;
+ } else {
+ return 0.7853981633974483;
+ }
+ }
+ }
+#else
+ /* Some ISO C assumptions. */
+ DUK_ASSERT(DUK_ATAN2(DUK_DOUBLE_INFINITY, DUK_DOUBLE_INFINITY) == 0.7853981633974483);
+ DUK_ASSERT(DUK_ATAN2(-DUK_DOUBLE_INFINITY, DUK_DOUBLE_INFINITY) == -0.7853981633974483);
+ DUK_ASSERT(DUK_ATAN2(DUK_DOUBLE_INFINITY, -DUK_DOUBLE_INFINITY) == 2.356194490192345);
+ DUK_ASSERT(DUK_ATAN2(-DUK_DOUBLE_INFINITY, -DUK_DOUBLE_INFINITY) == -2.356194490192345);
+#endif
+
return DUK_ATAN2(x, y);
}
#endif /* DUK_USE_AVOID_PLATFORM_FUNCPTRS */
@@ -32660,8 +34626,14 @@ DUK_LOCAL const duk__one_arg_func duk__one_arg_funcs[] = {
duk__round_fixed,
duk__sin,
duk__sqrt,
- duk__tan
-#else
+ duk__tan,
+#if defined(DUK_USE_ES6)
+ duk__cbrt,
+ duk__log2,
+ duk__log10,
+ duk__trunc
+#endif
+#else /* DUK_USE_AVOID_PLATFORM_FUNCPTRS */
DUK_FABS,
DUK_ACOS,
DUK_ASIN,
@@ -32674,40 +34646,52 @@ DUK_LOCAL const duk__one_arg_func duk__one_arg_funcs[] = {
duk__round_fixed,
DUK_SIN,
DUK_SQRT,
- DUK_TAN
+ DUK_TAN,
+#if defined(DUK_USE_ES6)
+ duk__cbrt,
+ duk__log2,
+ duk__log10,
+ duk__trunc
#endif
+#endif /* DUK_USE_AVOID_PLATFORM_FUNCPTRS */
};
/* order must match constants in genbuiltins.py */
DUK_LOCAL const duk__two_arg_func duk__two_arg_funcs[] = {
#if defined(DUK_USE_AVOID_PLATFORM_FUNCPTRS)
- duk__atan2,
- duk__pow_fixed
+ duk__atan2_fixed,
+ duk_js_arith_pow
#else
- DUK_ATAN2,
- duk__pow_fixed
+ duk__atan2_fixed,
+ duk_js_arith_pow
#endif
};
DUK_INTERNAL duk_ret_t duk_bi_math_object_onearg_shared(duk_context *ctx) {
duk_small_int_t fun_idx = duk_get_current_magic(ctx);
duk__one_arg_func fun;
+ duk_double_t arg1;
DUK_ASSERT(fun_idx >= 0);
DUK_ASSERT(fun_idx < (duk_small_int_t) (sizeof(duk__one_arg_funcs) / sizeof(duk__one_arg_func)));
+ arg1 = duk_to_number(ctx, 0);
fun = duk__one_arg_funcs[fun_idx];
- duk_push_number(ctx, (duk_double_t) fun((double) duk_to_number(ctx, 0)));
+ duk_push_number(ctx, (duk_double_t) fun((double) arg1));
return 1;
}
DUK_INTERNAL duk_ret_t duk_bi_math_object_twoarg_shared(duk_context *ctx) {
duk_small_int_t fun_idx = duk_get_current_magic(ctx);
duk__two_arg_func fun;
+ duk_double_t arg1;
+ duk_double_t arg2;
DUK_ASSERT(fun_idx >= 0);
DUK_ASSERT(fun_idx < (duk_small_int_t) (sizeof(duk__two_arg_funcs) / sizeof(duk__two_arg_func)));
+ arg1 = duk_to_number(ctx, 0); /* explicit ordered evaluation to match coercion semantics */
+ arg2 = duk_to_number(ctx, 1);
fun = duk__two_arg_funcs[fun_idx];
- duk_push_number(ctx, (duk_double_t) fun((double) duk_to_number(ctx, 0), (double) duk_to_number(ctx, 1)));
+ duk_push_number(ctx, (duk_double_t) fun((double) arg1, (double) arg2));
return 1;
}
@@ -32720,46 +34704,86 @@ DUK_INTERNAL duk_ret_t duk_bi_math_object_min(duk_context *ctx) {
}
DUK_INTERNAL duk_ret_t duk_bi_math_object_random(duk_context *ctx) {
- duk_push_number(ctx, (duk_double_t) duk_util_tinyrandom_get_double((duk_hthread *) ctx));
+ duk_push_number(ctx, (duk_double_t) DUK_UTIL_GET_RANDOM_DOUBLE((duk_hthread *) ctx));
return 1;
}
-#else /* DUK_USE_MATH_BUILTIN */
+#if defined(DUK_USE_ES6)
+DUK_INTERNAL duk_ret_t duk_bi_math_object_hypot(duk_context *ctx) {
+ /*
+ * E6 Section 20.2.2.18: Math.hypot
+ *
+ * - If no arguments are passed, the result is +0.
+ * - If any argument is +inf, the result is +inf.
+ * - If any argument is -inf, the result is +inf.
+ * - If no argument is +inf or -inf, and any argument is NaN, the result is
+ * NaN.
+ * - If all arguments are either +0 or -0, the result is +0.
+ */
-/* A stubbed built-in is useful for e.g. compilation torture testing with BCC. */
+ duk_idx_t nargs;
+ duk_idx_t i;
+ duk_bool_t found_nan;
+ duk_double_t max;
+ duk_double_t sum, summand;
+ duk_double_t comp, prelim;
+ duk_double_t t;
-DUK_INTERNAL duk_ret_t duk_bi_math_object_onearg_shared(duk_context *ctx) {
- DUK_UNREF(ctx);
- return DUK_RET_UNIMPLEMENTED_ERROR;
-}
+ nargs = duk_get_top(ctx);
-DUK_INTERNAL duk_ret_t duk_bi_math_object_twoarg_shared(duk_context *ctx) {
- DUK_UNREF(ctx);
- return DUK_RET_UNIMPLEMENTED_ERROR;
-}
+ /* Find the highest value. Also ToNumber() coerces. */
+ max = 0.0;
+ found_nan = 0;
+ for (i = 0; i < nargs; i++) {
+ t = DUK_FABS(duk_to_number(ctx, i));
+ if (DUK_FPCLASSIFY(t) == DUK_FP_NAN) {
+ found_nan = 1;
+ } else {
+ max = duk_double_fmax(max, t);
+ }
+ }
-DUK_INTERNAL duk_ret_t duk_bi_math_object_max(duk_context *ctx) {
- DUK_UNREF(ctx);
- return DUK_RET_UNIMPLEMENTED_ERROR;
-}
+ /* Early return cases. */
+ if (max == DUK_DOUBLE_INFINITY) {
+ duk_push_number(ctx, DUK_DOUBLE_INFINITY);
+ return 1;
+ } else if (found_nan) {
+ duk_push_number(ctx, DUK_DOUBLE_NAN);
+ return 1;
+ } else if (max == 0.0) {
+ duk_push_number(ctx, 0.0);
+ /* Otherwise we'd divide by zero. */
+ return 1;
+ }
-DUK_INTERNAL duk_ret_t duk_bi_math_object_min(duk_context *ctx) {
- DUK_UNREF(ctx);
- return DUK_RET_UNIMPLEMENTED_ERROR;
-}
+ /* Use Kahan summation and normalize to the highest value to minimize
+ * floating point rounding error and avoid overflow.
+ *
+ * https://en.wikipedia.org/wiki/Kahan_summation_algorithm
+ */
+ sum = 0.0;
+ comp = 0.0;
+ for (i = 0; i < nargs; i++) {
+ t = DUK_FABS(duk_get_number(ctx, i)) / max;
+ summand = (t * t) - comp;
+ prelim = sum + summand;
+ comp = (prelim - sum) - summand;
+ sum = prelim;
+ }
-DUK_INTERNAL duk_ret_t duk_bi_math_object_random(duk_context *ctx) {
- DUK_UNREF(ctx);
- return DUK_RET_UNIMPLEMENTED_ERROR;
+ duk_push_number(ctx, (duk_double_t) DUK_SQRT(sum) * max);
+ return 1;
}
+#endif /* DUK_USE_ES6 */
#endif /* DUK_USE_MATH_BUILTIN */
-#line 1 "duk_bi_number.c"
/*
* Number built-ins
*/
-/* include removed: duk_internal.h */
+/* #include duk_internal.h -> already included */
+
+#if defined(DUK_USE_NUMBER_BUILTIN)
DUK_LOCAL duk_double_t duk__push_this_number_plain(duk_context *ctx) {
duk_hobject *h;
@@ -32779,11 +34803,11 @@ DUK_LOCAL duk_double_t duk__push_this_number_plain(duk_context *ctx) {
DUK_DDD(DUK_DDDPRINT("unacceptable this value: %!T", (duk_tval *) duk_get_tval(ctx, -1)));
DUK_ERROR_TYPE((duk_hthread *) ctx, "number expected");
}
- duk_get_prop_stridx(ctx, -1, DUK_STRIDX_INT_VALUE);
+ duk_get_prop_stridx_short(ctx, -1, DUK_STRIDX_INT_VALUE);
DUK_ASSERT(duk_is_number(ctx, -1));
DUK_DDD(DUK_DDDPRINT("number object: %!T, internal value: %!T",
(duk_tval *) duk_get_tval(ctx, -2), (duk_tval *) duk_get_tval(ctx, -1)));
- duk_remove(ctx, -2);
+ duk_remove_m2(ctx);
done:
return duk_get_number(ctx, -1);
@@ -32830,16 +34854,15 @@ DUK_INTERNAL duk_ret_t duk_bi_number_constructor(duk_context *ctx) {
/* XXX: helper */
duk_push_this(ctx);
- h_this = duk_get_hobject(ctx, -1);
- DUK_ASSERT(h_this != NULL);
+ h_this = duk_known_hobject(ctx, -1);
DUK_HOBJECT_SET_CLASS_NUMBER(h_this, DUK_HOBJECT_CLASS_NUMBER);
DUK_ASSERT(DUK_HOBJECT_GET_PROTOTYPE(thr->heap, h_this) == thr->builtins[DUK_BIDX_NUMBER_PROTOTYPE]);
DUK_ASSERT(DUK_HOBJECT_GET_CLASS_NUMBER(h_this) == DUK_HOBJECT_CLASS_NUMBER);
DUK_ASSERT(DUK_HOBJECT_HAS_EXTENSIBLE(h_this));
- duk_dup(ctx, 0); /* -> [ val obj val ] */
- duk_xdef_prop_stridx(ctx, -2, DUK_STRIDX_INT_VALUE, DUK_PROPDESC_FLAGS_NONE);
+ duk_dup_0(ctx); /* -> [ val obj val ] */
+ duk_xdef_prop_stridx_short(ctx, -2, DUK_STRIDX_INT_VALUE, DUK_PROPDESC_FLAGS_NONE);
return 0; /* no return value -> don't replace created value */
}
@@ -32995,180 +35018,119 @@ DUK_INTERNAL duk_ret_t duk_bi_number_prototype_to_precision(duk_context *ctx) {
duk_to_string(ctx, -1);
return 1;
}
-#line 1 "duk_bi_object.c"
+
+#endif /* DUK_USE_NUMBER_BUILTIN */
/*
* Object built-ins
*/
-/* include removed: duk_internal.h */
+/* #include duk_internal.h -> already included */
+/* Needed even when Object built-in disabled. */
+DUK_INTERNAL duk_ret_t duk_bi_object_prototype_to_string(duk_context *ctx) {
+ duk_tval *tv;
+ tv = DUK_HTHREAD_THIS_PTR((duk_hthread *) ctx);
+ /* XXX: This is not entirely correct anymore; in ES2015 the
+ * default lookup should use @@toStringTag to come up with
+ * e.g. [object Symbol].
+ */
+ duk_push_class_string_tval(ctx, tv);
+ return 1;
+}
+
+#if defined(DUK_USE_OBJECT_BUILTIN)
DUK_INTERNAL duk_ret_t duk_bi_object_constructor(duk_context *ctx) {
- if (!duk_is_constructor_call(ctx) &&
- !duk_is_null_or_undefined(ctx, 0)) {
- duk_to_object(ctx, 0);
- return 1;
- }
+ duk_uint_t arg_mask;
+
+ arg_mask = duk_get_type_mask(ctx, 0);
- if (duk_is_object(ctx, 0)) {
+ if (!duk_is_constructor_call(ctx) && /* not a constructor call */
+ ((arg_mask & (DUK_TYPE_MASK_NULL | DUK_TYPE_MASK_UNDEFINED)) == 0)) { /* and argument not null or undefined */
+ duk_to_object(ctx, 0);
return 1;
}
/* Pointer and buffer primitive values are treated like other
* primitives values which have a fully fledged object counterpart:
- * promote to an object value. Lightfuncs are coerced with
- * ToObject() even they could also be returned as is.
- */
- if (duk_check_type_mask(ctx, 0, DUK_TYPE_MASK_STRING |
- DUK_TYPE_MASK_BOOLEAN |
- DUK_TYPE_MASK_NUMBER |
- DUK_TYPE_MASK_POINTER |
- DUK_TYPE_MASK_BUFFER |
- DUK_TYPE_MASK_LIGHTFUNC)) {
+ * promote to an object value. Lightfuncs and plain buffers are
+ * coerced with ToObject() even they could also be returned as is.
+ */
+ if (arg_mask & (DUK_TYPE_MASK_OBJECT |
+ DUK_TYPE_MASK_STRING |
+ DUK_TYPE_MASK_BOOLEAN |
+ DUK_TYPE_MASK_NUMBER |
+ DUK_TYPE_MASK_POINTER |
+ DUK_TYPE_MASK_BUFFER |
+ DUK_TYPE_MASK_LIGHTFUNC)) {
+ /* For DUK_TYPE_OBJECT the coercion is a no-op and could
+ * be checked for explicitly, but Object(obj) calls are
+ * not very common so opt for minimal footprint.
+ */
duk_to_object(ctx, 0);
return 1;
}
- duk_push_object_helper(ctx,
- DUK_HOBJECT_FLAG_EXTENSIBLE |
- DUK_HOBJECT_CLASS_AS_FLAGS(DUK_HOBJECT_CLASS_OBJECT),
- DUK_BIDX_OBJECT_PROTOTYPE);
+ (void) duk_push_object_helper(ctx,
+ DUK_HOBJECT_FLAG_EXTENSIBLE |
+ DUK_HOBJECT_CLASS_AS_FLAGS(DUK_HOBJECT_CLASS_OBJECT),
+ DUK_BIDX_OBJECT_PROTOTYPE);
return 1;
}
+#endif /* DUK_USE_OBJECT_BUILTIN */
-/* Shared helper to implement Object.getPrototypeOf and the ES6
- * Object.prototype.__proto__ getter.
- *
- * http://www.ecma-international.org/ecma-262/6.0/index.html#sec-get-object.prototype.__proto__
- */
-DUK_INTERNAL duk_ret_t duk_bi_object_getprototype_shared(duk_context *ctx) {
- duk_hthread *thr = (duk_hthread *) ctx;
- duk_hobject *h;
- duk_hobject *proto;
-
- DUK_UNREF(thr);
-
- /* magic: 0=getter call, 1=Object.getPrototypeOf */
- if (duk_get_current_magic(ctx) == 0) {
- duk_push_this_coercible_to_object(ctx);
- duk_insert(ctx, 0);
- }
-
- h = duk_require_hobject_or_lfunc(ctx, 0);
- /* h is NULL for lightfunc */
-
- /* XXX: should the API call handle this directly, i.e. attempt
- * to duk_push_hobject(ctx, null) would push a null instead?
- * (On the other hand 'undefined' would be just as logical, but
- * not wanted here.)
- */
-
- if (h == NULL) {
- duk_push_hobject_bidx(ctx, DUK_BIDX_FUNCTION_PROTOTYPE);
- } else {
- proto = DUK_HOBJECT_GET_PROTOTYPE(thr->heap, h);
- if (proto) {
- duk_push_hobject(ctx, proto);
- } else {
- duk_push_null(ctx);
- }
- }
- return 1;
-}
+#if defined(DUK_USE_OBJECT_BUILTIN) && defined(DUK_USE_ES6)
+DUK_INTERNAL duk_ret_t duk_bi_object_constructor_assign(duk_context *ctx) {
+ duk_idx_t nargs;
+ duk_int_t idx;
-/* Shared helper to implement ES6 Object.setPrototypeOf and
- * Object.prototype.__proto__ setter.
- *
- * http://www.ecma-international.org/ecma-262/6.0/index.html#sec-get-object.prototype.__proto__
- * http://www.ecma-international.org/ecma-262/6.0/index.html#sec-object.setprototypeof
- */
-DUK_INTERNAL duk_ret_t duk_bi_object_setprototype_shared(duk_context *ctx) {
- duk_hthread *thr = (duk_hthread *) ctx;
- duk_hobject *h_obj;
- duk_hobject *h_new_proto;
- duk_hobject *h_curr;
- duk_ret_t ret_success = 1; /* retval for success path */
+ nargs = duk_get_top_require_min(ctx, 1 /*min_top*/);
- /* Preliminaries for __proto__ and setPrototypeOf (E6 19.1.2.18 steps 1-4);
- * magic: 0=setter call, 1=Object.setPrototypeOf
- */
- if (duk_get_current_magic(ctx) == 0) {
- duk_push_this_check_object_coercible(ctx);
- duk_insert(ctx, 0);
- if (!duk_check_type_mask(ctx, 1, DUK_TYPE_MASK_NULL | DUK_TYPE_MASK_OBJECT)) {
- return 0;
+ duk_to_object(ctx, 0);
+ for (idx = 1; idx < nargs; idx++) {
+ /* E7 19.1.2.1 (step 4a) */
+ if (duk_is_null_or_undefined(ctx, idx)) {
+ continue;
}
- /* __proto__ setter returns 'undefined' on success unlike the
- * setPrototypeOf() call which returns the target object.
+ /* duk_enum() respects ES2015+ [[OwnPropertyKeys]] ordering, which is
+ * convenient here.
+ */
+ duk_to_object(ctx, idx);
+ duk_enum(ctx, idx, DUK_ENUM_OWN_PROPERTIES_ONLY);
+ while (duk_next(ctx, -1, 1 /*get_value*/)) {
+ /* [ target ... enum key value ] */
+ duk_put_prop(ctx, 0);
+ /* [ target ... enum ] */
+ }
+ /* Could pop enumerator, but unnecessary because of duk_set_top()
+ * below.
*/
- ret_success = 0;
- } else {
- duk_require_object_coercible(ctx, 0);
- duk_require_type_mask(ctx, 1, DUK_TYPE_MASK_NULL | DUK_TYPE_MASK_OBJECT);
- }
-
- h_new_proto = duk_get_hobject(ctx, 1);
- /* h_new_proto may be NULL */
- if (duk_is_lightfunc(ctx, 0)) {
- if (h_new_proto == thr->builtins[DUK_BIDX_FUNCTION_PROTOTYPE]) {
- goto skip;
- }
- goto fail_nonextensible;
- }
- h_obj = duk_get_hobject(ctx, 0);
- if (!h_obj) {
- goto skip;
- }
- DUK_ASSERT(h_obj != NULL);
-
- /* [[SetPrototypeOf]] standard behavior, E6 9.1.2 */
- /* TODO: implement Proxy object support here */
-
- if (h_new_proto == DUK_HOBJECT_GET_PROTOTYPE(thr->heap, h_obj)) {
- goto skip;
- }
- if (!DUK_HOBJECT_HAS_EXTENSIBLE(h_obj)) {
- goto fail_nonextensible;
- }
- for (h_curr = h_new_proto; h_curr != NULL; h_curr = DUK_HOBJECT_GET_PROTOTYPE(thr->heap, h_curr)) {
- /* Loop prevention */
- if (h_curr == h_obj) {
- goto fail_loop;
- }
}
- DUK_HOBJECT_SET_PROTOTYPE_UPDREF(thr, h_obj, h_new_proto);
- /* fall thru */
- skip:
duk_set_top(ctx, 1);
- return ret_success;
-
- fail_nonextensible:
- fail_loop:
- return DUK_RET_TYPE_ERROR;
+ return 1;
}
+#endif
-DUK_INTERNAL duk_ret_t duk_bi_object_constructor_get_own_property_descriptor(duk_context *ctx) {
- /* XXX: no need for indirect call */
- return duk_hobject_object_get_own_property_descriptor(ctx);
+#if defined(DUK_USE_OBJECT_BUILTIN) && defined(DUK_USE_ES6)
+DUK_INTERNAL duk_ret_t duk_bi_object_constructor_is(duk_context *ctx) {
+ DUK_ASSERT_TOP(ctx, 2);
+ duk_push_boolean(ctx, duk_samevalue(ctx, 0, 1));
+ return 1;
}
+#endif
+#if defined(DUK_USE_OBJECT_BUILTIN)
DUK_INTERNAL duk_ret_t duk_bi_object_constructor_create(duk_context *ctx) {
- duk_tval *tv;
- duk_hobject *proto = NULL;
+ duk_hobject *proto;
DUK_ASSERT_TOP(ctx, 2);
- tv = duk_get_tval(ctx, 0);
- DUK_ASSERT(tv != NULL);
- if (DUK_TVAL_IS_NULL(tv)) {
- ;
- } else if (DUK_TVAL_IS_OBJECT(tv)) {
- proto = DUK_TVAL_GET_OBJECT(tv);
- DUK_ASSERT(proto != NULL);
- } else {
- return DUK_RET_TYPE_ERROR;
- }
+#if defined(DUK_USE_BUFFEROBJECT_SUPPORT)
+ duk_hbufobj_promote_plain(ctx, 0);
+#endif
+ proto = duk_require_hobject_accept_mask(ctx, 0, DUK_TYPE_MASK_NULL);
+ DUK_ASSERT(proto != NULL || duk_is_null(ctx, 0));
(void) duk_push_object_helper_proto(ctx,
DUK_HOBJECT_FLAG_EXTENSIBLE |
@@ -33193,77 +35155,9 @@ DUK_INTERNAL duk_ret_t duk_bi_object_constructor_create(duk_context *ctx) {
return 1;
}
+#endif /* DUK_USE_OBJECT_BUILTIN */
-DUK_INTERNAL duk_ret_t duk_bi_object_constructor_define_property(duk_context *ctx) {
- duk_hobject *obj;
- duk_hstring *key;
- duk_hobject *get;
- duk_hobject *set;
- duk_idx_t idx_value;
- duk_uint_t defprop_flags;
-
- DUK_ASSERT(ctx != NULL);
-
- DUK_DDD(DUK_DDDPRINT("Object.defineProperty(): ctx=%p obj=%!T key=%!T desc=%!T",
- (void *) ctx,
- (duk_tval *) duk_get_tval(ctx, 0),
- (duk_tval *) duk_get_tval(ctx, 1),
- (duk_tval *) duk_get_tval(ctx, 2)));
-
- /* [ obj key desc ] */
-
- /* Lightfuncs are currently supported by coercing to a temporary
- * Function object; changes will be allowed (the coerced value is
- * extensible) but will be lost.
- */
- obj = duk_require_hobject_or_lfunc_coerce(ctx, 0);
- (void) duk_to_string(ctx, 1);
- key = duk_require_hstring(ctx, 1);
- (void) duk_require_hobject(ctx, 2);
-
- DUK_ASSERT(obj != NULL);
- DUK_ASSERT(key != NULL);
- DUK_ASSERT(duk_get_hobject(ctx, 2) != NULL);
-
- /*
- * Validate and convert argument property descriptor (an Ecmascript
- * object) into a set of defprop_flags and possibly property value,
- * getter, and/or setter values on the value stack.
- *
- * Lightfunc set/get values are coerced to full Functions.
- */
-
- duk_hobject_prepare_property_descriptor(ctx,
- 2 /*idx_desc*/,
- &defprop_flags,
- &idx_value,
- &get,
- &set);
-
- /*
- * Use Object.defineProperty() helper for the actual operation.
- */
-
- duk_hobject_define_property_helper(ctx,
- defprop_flags,
- obj,
- key,
- idx_value,
- get,
- set);
-
- /* Ignore the normalize/validate helper outputs on the value stack,
- * they're popped automatically.
- */
-
- /*
- * Return target object.
- */
-
- duk_push_hobject(ctx, obj);
- return 1;
-}
-
+#if defined(DUK_USE_OBJECT_BUILTIN)
DUK_INTERNAL duk_ret_t duk_bi_object_constructor_define_properties(duk_context *ctx) {
duk_small_uint_t pass;
duk_uint_t defprop_flags;
@@ -33272,8 +35166,8 @@ DUK_INTERNAL duk_ret_t duk_bi_object_constructor_define_properties(duk_context *
duk_hobject *get;
duk_hobject *set;
- /* Lightfunc handling by ToObject() coercion. */
- obj = duk_require_hobject_or_lfunc_coerce(ctx, 0); /* target */
+ /* Lightfunc and plain buffer handling by ToObject() coercion. */
+ obj = duk_require_hobject_promote_mask(ctx, 0, DUK_TYPE_MASK_LIGHTFUNC | DUK_TYPE_MASK_BUFFER);
DUK_ASSERT(obj != NULL);
duk_to_object(ctx, 1); /* properties object */
@@ -33294,7 +35188,7 @@ DUK_INTERNAL duk_ret_t duk_bi_object_constructor_define_properties(duk_context *
for (pass = 0; pass < 2; pass++) {
duk_set_top(ctx, 2); /* -> [ hobject props ] */
- duk_enum(ctx, 1, DUK_ENUM_OWN_PROPERTIES_ONLY /*enum_flags*/);
+ duk_enum(ctx, 1, DUK_ENUM_OWN_PROPERTIES_ONLY | DUK_ENUM_INCLUDE_SYMBOLS /*enum_flags*/);
for (;;) {
duk_hstring *key;
@@ -33320,13 +35214,14 @@ DUK_INTERNAL duk_ret_t duk_bi_object_constructor_define_properties(duk_context *
&get,
&set);
- /* [ hobject props enum(props) key desc value? getter? setter? ] */
+ /* [ hobject props enum(props) key desc [multiple values] ] */
if (pass == 0) {
continue;
}
- key = duk_get_hstring(ctx, 3);
+ /* This allows symbols on purpose. */
+ key = duk_known_hstring(ctx, 3);
DUK_ASSERT(key != NULL);
duk_hobject_define_property_helper(ctx,
@@ -33335,7 +35230,8 @@ DUK_INTERNAL duk_ret_t duk_bi_object_constructor_define_properties(duk_context *
key,
idx_value,
get,
- set);
+ set,
+ 1 /*throw_flag*/);
}
}
@@ -33343,84 +35239,469 @@ DUK_INTERNAL duk_ret_t duk_bi_object_constructor_define_properties(duk_context *
* Return target object
*/
- duk_dup(ctx, 0);
+ duk_dup_0(ctx);
return 1;
}
+#endif /* DUK_USE_OBJECT_BUILTIN */
+#if defined(DUK_USE_OBJECT_BUILTIN)
DUK_INTERNAL duk_ret_t duk_bi_object_constructor_seal_freeze_shared(duk_context *ctx) {
duk_hthread *thr = (duk_hthread *) ctx;
duk_hobject *h;
duk_bool_t is_freeze;
- h = duk_require_hobject_or_lfunc(ctx, 0);
- if (!h) {
- /* Lightfunc, always success. */
+ DUK_ASSERT_TOP(ctx, 1);
+
+ is_freeze = (duk_bool_t) duk_get_current_magic(ctx);
+ if (duk_is_buffer(ctx, 0)) {
+ /* Plain buffer: already sealed, but not frozen (and can't be frozen
+ * because index properties can't be made non-writable.
+ */
+ if (is_freeze) {
+ goto fail_cannot_freeze;
+ }
+ return 1;
+ } else if (duk_is_lightfunc(ctx, 0)) {
+ /* Lightfunc: already sealed and frozen, success. */
return 1;
}
+#if 0
+ /* Seal/freeze are quite rare in practice so it'd be nice to get the
+ * correct behavior simply via automatic promotion (at the cost of some
+ * memory churn). However, the promoted objects don't behave the same,
+ * e.g. promoted lightfuncs are extensible.
+ */
+ h = duk_require_hobject_promote_mask(ctx, 0, DUK_TYPE_MASK_LIGHTFUNC | DUK_TYPE_MASK_BUFFER);
+#endif
+
+ h = duk_get_hobject(ctx, 0);
+ if (h == NULL) {
+ /* ES2015 Sections 19.1.2.5, 19.1.2.17 */
+ return 1;
+ }
+
+ if (is_freeze && DUK_HOBJECT_IS_BUFOBJ(h)) {
+ /* Buffer objects cannot be frozen because there's no internal
+ * support for making virtual array indices non-writable.
+ */
+ DUK_DD(DUK_DDPRINT("cannot freeze a buffer object"));
+ goto fail_cannot_freeze;
+ }
- is_freeze = (duk_bool_t) duk_get_current_magic(ctx);
duk_hobject_object_seal_freeze_helper(thr, h, is_freeze);
/* Sealed and frozen objects cannot gain any more properties,
* so this is a good time to compact them.
*/
duk_hobject_compact_props(thr, h);
+ return 1;
+
+ fail_cannot_freeze:
+ DUK_DCERROR_TYPE_INVALID_ARGS(thr); /* XXX: proper error message */
+}
+#endif /* DUK_USE_OBJECT_BUILTIN */
+
+#if defined(DUK_USE_OBJECT_BUILTIN)
+DUK_INTERNAL duk_ret_t duk_bi_object_constructor_is_sealed_frozen_shared(duk_context *ctx) {
+ duk_hobject *h;
+ duk_bool_t is_frozen;
+ duk_uint_t mask;
+ is_frozen = duk_get_current_magic(ctx);
+ mask = duk_get_type_mask(ctx, 0);
+ if (mask & (DUK_TYPE_MASK_LIGHTFUNC | DUK_TYPE_MASK_BUFFER)) {
+ DUK_ASSERT(is_frozen == 0 || is_frozen == 1);
+ duk_push_boolean(ctx, (mask & DUK_TYPE_MASK_LIGHTFUNC) ?
+ 1 : /* lightfunc always frozen and sealed */
+ (is_frozen ^ 1)); /* buffer sealed but not frozen (index props writable) */
+ } else {
+ /* ES2015 Sections 19.1.2.12, 19.1.2.13: anything other than an object
+ * is considered to be already sealed and frozen.
+ */
+ h = duk_get_hobject(ctx, 0);
+ duk_push_boolean(ctx, (h == NULL) ||
+ duk_hobject_object_is_sealed_frozen_helper((duk_hthread *) ctx, h, is_frozen /*is_frozen*/));
+ }
return 1;
}
+#endif /* DUK_USE_OBJECT_BUILTIN */
-DUK_INTERNAL duk_ret_t duk_bi_object_constructor_prevent_extensions(duk_context *ctx) {
+#if defined(DUK_USE_OBJECT_BUILTIN)
+DUK_INTERNAL duk_ret_t duk_bi_object_prototype_to_locale_string(duk_context *ctx) {
+ DUK_ASSERT_TOP(ctx, 0);
+ (void) duk_push_this_coercible_to_object(ctx);
+ duk_get_prop_stridx_short(ctx, 0, DUK_STRIDX_TO_STRING);
+#if 0 /* This is mentioned explicitly in the E5.1 spec, but duk_call_method() checks for it in practice. */
+ duk_require_callable(ctx, 1);
+#endif
+ duk_dup_0(ctx); /* -> [ O toString O ] */
+ duk_call_method(ctx, 0); /* XXX: call method tail call? */
+ return 1;
+}
+#endif /* DUK_USE_OBJECT_BUILTIN */
+
+#if defined(DUK_USE_OBJECT_BUILTIN)
+DUK_INTERNAL duk_ret_t duk_bi_object_prototype_value_of(duk_context *ctx) {
+ /* For lightfuncs and plain buffers, returns Object() coerced. */
+ (void) duk_push_this_coercible_to_object(ctx);
+ return 1;
+}
+#endif /* DUK_USE_OBJECT_BUILTIN */
+
+#if defined(DUK_USE_OBJECT_BUILTIN)
+DUK_INTERNAL duk_ret_t duk_bi_object_prototype_is_prototype_of(duk_context *ctx) {
duk_hthread *thr = (duk_hthread *) ctx;
- duk_hobject *h;
+ duk_hobject *h_v;
+ duk_hobject *h_obj;
- h = duk_require_hobject_or_lfunc(ctx, 0);
- if (!h) {
- /* Lightfunc, always success. */
+ DUK_ASSERT_TOP(ctx, 1);
+
+ h_v = duk_get_hobject(ctx, 0);
+ if (!h_v) {
+ duk_push_false(ctx); /* XXX: tail call: return duk_push_false(ctx) */
return 1;
}
- DUK_ASSERT(h != NULL);
- DUK_HOBJECT_CLEAR_EXTENSIBLE(h);
+ h_obj = duk_push_this_coercible_to_object(ctx);
+ DUK_ASSERT(h_obj != NULL);
- /* A non-extensible object cannot gain any more properties,
- * so this is a good time to compact.
+ /* E5.1 Section 15.2.4.6, step 3.a, lookup proto once before compare.
+ * Prototype loops should cause an error to be thrown.
*/
- duk_hobject_compact_props(thr, h);
-
+ duk_push_boolean(ctx, duk_hobject_prototype_chain_contains(thr, DUK_HOBJECT_GET_PROTOTYPE(thr->heap, h_v), h_obj, 0 /*ignore_loop*/));
return 1;
}
+#endif /* DUK_USE_OBJECT_BUILTIN */
-DUK_INTERNAL duk_ret_t duk_bi_object_constructor_is_sealed_frozen_shared(duk_context *ctx) {
+#if defined(DUK_USE_OBJECT_BUILTIN)
+DUK_INTERNAL duk_ret_t duk_bi_object_prototype_has_own_property(duk_context *ctx) {
+ return duk_hobject_object_ownprop_helper(ctx, 0 /*required_desc_flags*/);
+}
+#endif /* DUK_USE_OBJECT_BUILTIN */
+
+#if defined(DUK_USE_OBJECT_BUILTIN)
+DUK_INTERNAL duk_ret_t duk_bi_object_prototype_property_is_enumerable(duk_context *ctx) {
+ return duk_hobject_object_ownprop_helper(ctx, DUK_PROPDESC_FLAG_ENUMERABLE /*required_desc_flags*/);
+}
+#endif /* DUK_USE_OBJECT_BUILTIN */
+
+#if defined(DUK_USE_OBJECT_BUILTIN) || defined(DUK_USE_REFLECT_BUILTIN)
+/* Shared helper to implement Object.getPrototypeOf,
+ * Object.prototype.__proto__ getter, and Reflect.getPrototypeOf.
+ *
+ * http://www.ecma-international.org/ecma-262/6.0/index.html#sec-get-object.prototype.__proto__
+ */
+DUK_INTERNAL duk_ret_t duk_bi_object_getprototype_shared(duk_context *ctx) {
+ /*
+ * magic = 0: __proto__ getter
+ * magic = 1: Object.getPrototypeOf()
+ * magic = 2: Reflect.getPrototypeOf()
+ */
+
+ duk_hthread *thr = (duk_hthread *) ctx;
duk_hobject *h;
- duk_bool_t is_frozen;
- duk_bool_t rc;
+ duk_hobject *proto;
+ duk_tval *tv;
+ duk_int_t magic;
- h = duk_require_hobject_or_lfunc(ctx, 0);
- if (!h) {
- duk_push_true(ctx); /* frozen and sealed */
+ magic = duk_get_current_magic(ctx);
+
+ if (magic == 0) {
+ DUK_ASSERT_TOP(ctx, 0);
+ duk_push_this_coercible_to_object(ctx);
+ }
+ DUK_ASSERT(duk_get_top(ctx) >= 1);
+ if (magic < 2) {
+ /* ES2015 Section 19.1.2.9, step 1 */
+ duk_to_object(ctx, 0);
+ }
+ tv = DUK_GET_TVAL_POSIDX(ctx, 0);
+
+ switch (DUK_TVAL_GET_TAG(tv)) {
+ case DUK_TAG_BUFFER:
+ proto = thr->builtins[DUK_BIDX_UINT8ARRAY_PROTOTYPE];
+ break;
+ case DUK_TAG_LIGHTFUNC:
+ proto = thr->builtins[DUK_BIDX_FUNCTION_PROTOTYPE];
+ break;
+ case DUK_TAG_OBJECT:
+ h = DUK_TVAL_GET_OBJECT(tv);
+ proto = DUK_HOBJECT_GET_PROTOTYPE(thr->heap, h);
+ break;
+ default:
+ /* This implicitly handles CheckObjectCoercible() caused
+ * TypeError.
+ */
+ DUK_DCERROR_TYPE_INVALID_ARGS(thr);
+ }
+ if (proto != NULL) {
+ duk_push_hobject(ctx, proto);
+ } else {
+ duk_push_null(ctx);
+ }
+ return 1;
+}
+#endif /* DUK_USE_OBJECT_BUILTIN || DUK_USE_REFLECT_BUILTIN */
+
+#if defined(DUK_USE_OBJECT_BUILTIN) || defined(DUK_USE_REFLECT_BUILTIN)
+/* Shared helper to implement ES2015 Object.setPrototypeOf,
+ * Object.prototype.__proto__ setter, and Reflect.setPrototypeOf.
+ *
+ * http://www.ecma-international.org/ecma-262/6.0/index.html#sec-get-object.prototype.__proto__
+ * http://www.ecma-international.org/ecma-262/6.0/index.html#sec-object.setprototypeof
+ */
+DUK_INTERNAL duk_ret_t duk_bi_object_setprototype_shared(duk_context *ctx) {
+ /*
+ * magic = 0: __proto__ setter
+ * magic = 1: Object.setPrototypeOf()
+ * magic = 2: Reflect.setPrototypeOf()
+ */
+
+ duk_hthread *thr = (duk_hthread *) ctx;
+ duk_hobject *h_obj;
+ duk_hobject *h_new_proto;
+ duk_hobject *h_curr;
+ duk_ret_t ret_success = 1; /* retval for success path */
+ duk_uint_t mask;
+ duk_int_t magic;
+
+ /* Preliminaries for __proto__ and setPrototypeOf (E6 19.1.2.18 steps 1-4). */
+ magic = duk_get_current_magic(ctx);
+ if (magic == 0) {
+ duk_push_this_check_object_coercible(ctx);
+ duk_insert(ctx, 0);
+ if (!duk_check_type_mask(ctx, 1, DUK_TYPE_MASK_NULL | DUK_TYPE_MASK_OBJECT)) {
+ return 0;
+ }
+
+ /* __proto__ setter returns 'undefined' on success unlike the
+ * setPrototypeOf() call which returns the target object.
+ */
+ ret_success = 0;
+ } else {
+ if (magic == 1) {
+ duk_require_object_coercible(ctx, 0);
+ } else {
+ duk_require_hobject_accept_mask(ctx, 0,
+ DUK_TYPE_MASK_LIGHTFUNC |
+ DUK_TYPE_MASK_BUFFER);
+ }
+ duk_require_type_mask(ctx, 1, DUK_TYPE_MASK_NULL | DUK_TYPE_MASK_OBJECT);
+ }
+
+ h_new_proto = duk_get_hobject(ctx, 1);
+ /* h_new_proto may be NULL */
+
+ mask = duk_get_type_mask(ctx, 0);
+ if (mask & (DUK_TYPE_MASK_LIGHTFUNC | DUK_TYPE_MASK_BUFFER)) {
+ duk_hobject *curr_proto;
+ curr_proto = thr->builtins[(mask & DUK_TYPE_MASK_LIGHTFUNC) ?
+ DUK_BIDX_FUNCTION_PROTOTYPE :
+ DUK_BIDX_UINT8ARRAY_PROTOTYPE];
+ if (h_new_proto == curr_proto) {
+ goto skip;
+ }
+ goto fail_nonextensible;
+ }
+ h_obj = duk_get_hobject(ctx, 0);
+ if (h_obj == NULL) {
+ goto skip;
+ }
+ DUK_ASSERT(h_obj != NULL);
+
+ /* [[SetPrototypeOf]] standard behavior, E6 9.1.2. */
+ /* TODO: implement Proxy object support here */
+
+ if (h_new_proto == DUK_HOBJECT_GET_PROTOTYPE(thr->heap, h_obj)) {
+ goto skip;
+ }
+ if (!DUK_HOBJECT_HAS_EXTENSIBLE(h_obj)) {
+ goto fail_nonextensible;
+ }
+ for (h_curr = h_new_proto; h_curr != NULL; h_curr = DUK_HOBJECT_GET_PROTOTYPE(thr->heap, h_curr)) {
+ /* Loop prevention. */
+ if (h_curr == h_obj) {
+ goto fail_loop;
+ }
+ }
+ DUK_HOBJECT_SET_PROTOTYPE_UPDREF(thr, h_obj, h_new_proto);
+ /* fall thru */
+
+ skip:
+ duk_set_top(ctx, 1);
+ if (magic == 2) {
+ duk_push_true(ctx);
+ }
+ return ret_success;
+
+ fail_nonextensible:
+ fail_loop:
+ if (magic != 2) {
+ DUK_DCERROR_TYPE_INVALID_ARGS(thr);
+ } else {
+ duk_push_false(ctx);
+ return 1;
+ }
+}
+#endif /* DUK_USE_OBJECT_BUILTIN || DUK_USE_REFLECT_BUILTIN */
+
+#if defined(DUK_USE_OBJECT_BUILTIN) || defined(DUK_USE_REFLECT_BUILTIN)
+DUK_INTERNAL duk_ret_t duk_bi_object_constructor_define_property(duk_context *ctx) {
+ /*
+ * magic = 0: Object.defineProperty()
+ * magic = 1: Reflect.defineProperty()
+ */
+
+ duk_hobject *obj;
+ duk_hstring *key;
+ duk_hobject *get;
+ duk_hobject *set;
+ duk_idx_t idx_value;
+ duk_uint_t defprop_flags;
+ duk_int_t magic;
+ duk_bool_t throw_flag;
+ duk_bool_t ret;
+
+ DUK_ASSERT(ctx != NULL);
+
+ DUK_DDD(DUK_DDDPRINT("Object.defineProperty(): ctx=%p obj=%!T key=%!T desc=%!T",
+ (void *) ctx,
+ (duk_tval *) duk_get_tval(ctx, 0),
+ (duk_tval *) duk_get_tval(ctx, 1),
+ (duk_tval *) duk_get_tval(ctx, 2)));
+
+ /* [ obj key desc ] */
+
+ magic = duk_get_current_magic(ctx);
+
+ /* Lightfuncs are currently supported by coercing to a temporary
+ * Function object; changes will be allowed (the coerced value is
+ * extensible) but will be lost. Same for plain buffers.
+ */
+ obj = duk_require_hobject_promote_mask(ctx, 0, DUK_TYPE_MASK_LIGHTFUNC | DUK_TYPE_MASK_BUFFER);
+ DUK_ASSERT(obj != NULL);
+ key = duk_to_property_key_hstring(ctx, 1);
+ (void) duk_require_hobject(ctx, 2);
+
+ DUK_ASSERT(obj != NULL);
+ DUK_ASSERT(key != NULL);
+ DUK_ASSERT(duk_get_hobject(ctx, 2) != NULL);
+
+ /*
+ * Validate and convert argument property descriptor (an Ecmascript
+ * object) into a set of defprop_flags and possibly property value,
+ * getter, and/or setter values on the value stack.
+ *
+ * Lightfunc set/get values are coerced to full Functions.
+ */
+
+ duk_hobject_prepare_property_descriptor(ctx,
+ 2 /*idx_desc*/,
+ &defprop_flags,
+ &idx_value,
+ &get,
+ &set);
+
+ /*
+ * Use Object.defineProperty() helper for the actual operation.
+ */
+
+ DUK_ASSERT(magic == 0 || magic == 1);
+ throw_flag = magic ^ 1;
+ ret = duk_hobject_define_property_helper(ctx,
+ defprop_flags,
+ obj,
+ key,
+ idx_value,
+ get,
+ set,
+ throw_flag);
+
+ /* Ignore the normalize/validate helper outputs on the value stack,
+ * they're popped automatically.
+ */
+
+ if (magic == 0) {
+ /* Object.defineProperty(): return target object. */
+ duk_push_hobject(ctx, obj);
} else {
- is_frozen = duk_get_current_magic(ctx);
- rc = duk_hobject_object_is_sealed_frozen_helper((duk_hthread *) ctx, h, is_frozen /*is_frozen*/);
- duk_push_boolean(ctx, rc);
+ /* Reflect.defineProperty(): return success/fail. */
+ duk_push_boolean(ctx, ret);
+ }
+ return 1;
+}
+#endif /* DUK_USE_OBJECT_BUILTIN || DUK_USE_REFLECT_BUILTIN */
+
+#if defined(DUK_USE_OBJECT_BUILTIN) || defined(DUK_USE_REFLECT_BUILTIN)
+DUK_INTERNAL duk_ret_t duk_bi_object_constructor_get_own_property_descriptor(duk_context *ctx) {
+ DUK_ASSERT_TOP(ctx, 2);
+
+ /* ES2015 Section 19.1.2.6, step 1 */
+ if (duk_get_current_magic(ctx) == 0) {
+ duk_to_object(ctx, 0);
}
+
+ /* [ obj key ] */
+
+ duk_hobject_object_get_own_property_descriptor(ctx, -2);
return 1;
}
+#endif /* DUK_USE_OBJECT_BUILTIN || DUK_USE_REFLECT_BUILTIN */
+#if defined(DUK_USE_OBJECT_BUILTIN) || defined(DUK_USE_REFLECT_BUILTIN)
DUK_INTERNAL duk_ret_t duk_bi_object_constructor_is_extensible(duk_context *ctx) {
+ /*
+ * magic = 0: Object.isExtensible()
+ * magic = 1: Reflect.isExtensible()
+ */
+
duk_hobject *h;
- h = duk_require_hobject_or_lfunc(ctx, 0);
- if (!h) {
- duk_push_false(ctx);
+ if (duk_get_current_magic(ctx) == 0) {
+ h = duk_get_hobject(ctx, 0);
} else {
- duk_push_boolean(ctx, DUK_HOBJECT_HAS_EXTENSIBLE(h));
+ /* Reflect.isExtensible(): throw if non-object, but we accept lightfuncs
+ * and plain buffers here because they pretend to be objects.
+ */
+ h = duk_require_hobject_accept_mask(ctx, 0, DUK_TYPE_MASK_LIGHTFUNC | DUK_TYPE_MASK_BUFFER);
}
+
+ duk_push_boolean(ctx, (h != NULL) && DUK_HOBJECT_HAS_EXTENSIBLE(h));
return 1;
}
+#endif /* DUK_USE_OBJECT_BUILTIN || DUK_USE_REFLECT_BUILTIN */
+
+#if defined(DUK_USE_OBJECT_BUILTIN) || defined(DUK_USE_REFLECT_BUILTIN)
+/* Shared helper for various key/symbol listings, magic:
+ * 0=Object.keys()
+ * 1=Object.getOwnPropertyNames(),
+ * 2=Object.getOwnPropertySymbols(),
+ * 3=Reflect.ownKeys()
+ */
+DUK_LOCAL const duk_small_uint_t duk__object_keys_enum_flags[4] = {
+ /* Object.keys() */
+ DUK_ENUM_OWN_PROPERTIES_ONLY |
+ DUK_ENUM_NO_PROXY_BEHAVIOR,
+
+ /* Object.getOwnPropertyNames() */
+ DUK_ENUM_INCLUDE_NONENUMERABLE |
+ DUK_ENUM_OWN_PROPERTIES_ONLY |
+ DUK_ENUM_NO_PROXY_BEHAVIOR,
+
+ /* Object.getOwnPropertySymbols() */
+ DUK_ENUM_INCLUDE_SYMBOLS |
+ DUK_ENUM_OWN_PROPERTIES_ONLY |
+ DUK_ENUM_EXCLUDE_STRINGS |
+ DUK_ENUM_INCLUDE_NONENUMERABLE |
+ DUK_ENUM_NO_PROXY_BEHAVIOR,
+
+ /* Reflect.ownKeys() */
+ DUK_ENUM_INCLUDE_SYMBOLS |
+ DUK_ENUM_OWN_PROPERTIES_ONLY |
+ DUK_ENUM_INCLUDE_NONENUMERABLE |
+ DUK_ENUM_NO_PROXY_BEHAVIOR
+};
-/* Shared helper for Object.getOwnPropertyNames() and Object.keys().
- * Magic: 0=getOwnPropertyNames, 1=Object.keys.
- */
DUK_INTERNAL duk_ret_t duk_bi_object_constructor_keys_shared(duk_context *ctx) {
duk_hthread *thr = (duk_hthread *) ctx;
duk_hobject *obj;
@@ -33428,18 +35709,30 @@ DUK_INTERNAL duk_ret_t duk_bi_object_constructor_keys_shared(duk_context *ctx) {
duk_hobject *h_proxy_target;
duk_hobject *h_proxy_handler;
duk_hobject *h_trap_result;
- duk_uarridx_t i, len, idx;
#endif
duk_small_uint_t enum_flags;
+ duk_int_t magic;
DUK_ASSERT_TOP(ctx, 1);
DUK_UNREF(thr);
- obj = duk_require_hobject_or_lfunc_coerce(ctx, 0);
+ magic = duk_get_current_magic(ctx);
+ if (magic == 3) {
+ /* ES2015 Section 26.1.11 requires a TypeError for non-objects. Lightfuncs
+ * and plain buffers pretend to be objects, so accept those too.
+ */
+ obj = duk_require_hobject_promote_mask(ctx, 0, DUK_TYPE_MASK_LIGHTFUNC | DUK_TYPE_MASK_BUFFER);
+ } else {
+ /* ES2015: ToObject coerce. */
+ obj = duk_to_hobject(ctx, 0);
+ }
DUK_ASSERT(obj != NULL);
DUK_UNREF(obj);
+ /* XXX: proxy chains */
+
#if defined(DUK_USE_ES6_PROXY)
+ /* XXX: better sharing of code between proxy target call sites */
if (DUK_LIKELY(!duk_hobject_proxy_check(thr,
obj,
&h_proxy_target,
@@ -33448,7 +35741,7 @@ DUK_INTERNAL duk_ret_t duk_bi_object_constructor_keys_shared(duk_context *ctx) {
}
duk_push_hobject(ctx, h_proxy_handler);
- if (!duk_get_prop_stridx(ctx, -1, DUK_STRIDX_OWN_KEYS)) {
+ if (!duk_get_prop_stridx_short(ctx, -1, DUK_STRIDX_OWN_KEYS)) {
/* Careful with reachability here: don't pop 'obj' before pushing
* proxy target.
*/
@@ -33467,118 +35760,77 @@ DUK_INTERNAL duk_ret_t duk_bi_object_constructor_keys_shared(duk_context *ctx) {
h_trap_result = duk_require_hobject(ctx, -1);
DUK_UNREF(h_trap_result);
- len = (duk_uarridx_t) duk_get_length(ctx, -1);
- idx = 0;
- duk_push_array(ctx);
- for (i = 0; i < len; i++) {
- /* [ obj trap_result res_arr ] */
- if (duk_get_prop_index(ctx, -2, i) && duk_is_string(ctx, -1)) {
- /* XXX: for Object.keys() we should check enumerability of key */
- /* [ obj trap_result res_arr propname ] */
- duk_put_prop_index(ctx, -2, idx);
- idx++;
- } else {
- duk_pop(ctx);
- }
- }
-
- /* XXX: missing trap result validation for non-configurable target keys
- * (must be present), for non-extensible target all target keys must be
- * present and no extra keys can be present.
- * http://www.ecma-international.org/ecma-262/6.0/#sec-proxy-object-internal-methods-and-internal-slots-ownpropertykeys
- */
+ magic = duk_get_current_magic(ctx);
+ DUK_ASSERT(magic >= 0 && magic < (duk_int_t) (sizeof(duk__object_keys_enum_flags) / sizeof(duk_small_uint_t)));
+ enum_flags = duk__object_keys_enum_flags[magic];
- /* XXX: for Object.keys() the [[OwnPropertyKeys]] result (trap result)
- * should be filtered so that only enumerable keys remain. Enumerability
- * should be checked with [[GetOwnProperty]] on the original object
- * (i.e., the proxy in this case). If the proxy has a getOwnPropertyDescriptor
- * trap, it should be triggered for every property. If the proxy doesn't have
- * the trap, enumerability should be checked against the target object instead.
- * We don't do any of this now, so Object.keys() and Object.getOwnPropertyNames()
- * return the same result now for proxy traps. We still do clean up the trap
- * result, so that Object.keys() and Object.getOwnPropertyNames() will return a
- * clean array of strings without gaps.
- */
+ duk_proxy_ownkeys_postprocess(ctx, h_proxy_target, enum_flags);
return 1;
skip_proxy:
#endif /* DUK_USE_ES6_PROXY */
DUK_ASSERT_TOP(ctx, 1);
-
- if (duk_get_current_magic(ctx)) {
- /* Object.keys */
- enum_flags = DUK_ENUM_OWN_PROPERTIES_ONLY |
- DUK_ENUM_NO_PROXY_BEHAVIOR;
- } else {
- /* Object.getOwnPropertyNames */
- enum_flags = DUK_ENUM_INCLUDE_NONENUMERABLE |
- DUK_ENUM_OWN_PROPERTIES_ONLY |
- DUK_ENUM_NO_PROXY_BEHAVIOR;
- }
-
+ magic = duk_get_current_magic(ctx);
+ DUK_ASSERT(magic >= 0 && magic < (duk_int_t) (sizeof(duk__object_keys_enum_flags) / sizeof(duk_small_uint_t)));
+ enum_flags = duk__object_keys_enum_flags[magic];
return duk_hobject_get_enumerated_keys(ctx, enum_flags);
}
+#endif /* DUK_USE_OBJECT_BUILTIN || DUK_USE_REFLECT_BUILTIN */
-DUK_INTERNAL duk_ret_t duk_bi_object_prototype_to_string(duk_context *ctx) {
- duk_push_this(ctx);
- duk_to_object_class_string_top(ctx);
- return 1;
-}
+#if defined(DUK_USE_OBJECT_BUILTIN) || defined(DUK_USE_REFLECT_BUILTIN)
+DUK_INTERNAL duk_ret_t duk_bi_object_constructor_prevent_extensions(duk_context *ctx) {
+ /*
+ * magic = 0: Object.preventExtensions()
+ * magic = 1: Reflect.preventExtensions()
+ */
-DUK_INTERNAL duk_ret_t duk_bi_object_prototype_to_locale_string(duk_context *ctx) {
- DUK_ASSERT_TOP(ctx, 0);
- (void) duk_push_this_coercible_to_object(ctx);
- duk_get_prop_stridx(ctx, 0, DUK_STRIDX_TO_STRING);
- if (!duk_is_callable(ctx, 1)) {
- return DUK_RET_TYPE_ERROR;
- }
- duk_dup(ctx, 0); /* -> [ O toString O ] */
- duk_call_method(ctx, 0); /* XXX: call method tail call? */
- return 1;
-}
+ duk_hthread *thr = (duk_hthread *) ctx;
+ duk_hobject *h;
+ duk_uint_t mask;
+ duk_int_t magic;
-DUK_INTERNAL duk_ret_t duk_bi_object_prototype_value_of(duk_context *ctx) {
- (void) duk_push_this_coercible_to_object(ctx);
- return 1;
-}
+ magic = duk_get_current_magic(ctx);
-DUK_INTERNAL duk_ret_t duk_bi_object_prototype_is_prototype_of(duk_context *ctx) {
- duk_hthread *thr = (duk_hthread *) ctx;
- duk_hobject *h_v;
- duk_hobject *h_obj;
+ /* Silent success for lightfuncs and plain buffers always. */
+ mask = DUK_TYPE_MASK_LIGHTFUNC | DUK_TYPE_MASK_BUFFER;
- DUK_ASSERT_TOP(ctx, 1);
+ /* Object.preventExtensions() silent success for non-object. */
+ if (magic == 0) {
+ mask |= DUK_TYPE_MASK_UNDEFINED |
+ DUK_TYPE_MASK_NULL |
+ DUK_TYPE_MASK_BOOLEAN |
+ DUK_TYPE_MASK_NUMBER |
+ DUK_TYPE_MASK_STRING |
+ DUK_TYPE_MASK_POINTER;
+ }
- h_v = duk_get_hobject(ctx, 0);
- if (!h_v) {
- duk_push_false(ctx); /* XXX: tail call: return duk_push_false(ctx) */
- return 1;
+ if (duk_check_type_mask(ctx, 0, mask)) {
+ /* Not an object, already non-extensible so always success. */
+ goto done;
}
+ h = duk_require_hobject(ctx, 0);
+ DUK_ASSERT(h != NULL);
- h_obj = duk_push_this_coercible_to_object(ctx);
- DUK_ASSERT(h_obj != NULL);
+ DUK_HOBJECT_CLEAR_EXTENSIBLE(h);
- /* E5.1 Section 15.2.4.6, step 3.a, lookup proto once before compare.
- * Prototype loops should cause an error to be thrown.
+ /* A non-extensible object cannot gain any more properties,
+ * so this is a good time to compact.
*/
- duk_push_boolean(ctx, duk_hobject_prototype_chain_contains(thr, DUK_HOBJECT_GET_PROTOTYPE(thr->heap, h_v), h_obj, 0 /*ignore_loop*/));
- return 1;
-}
-
-DUK_INTERNAL duk_ret_t duk_bi_object_prototype_has_own_property(duk_context *ctx) {
- return duk_hobject_object_ownprop_helper(ctx, 0 /*required_desc_flags*/);
-}
+ duk_hobject_compact_props(thr, h);
-DUK_INTERNAL duk_ret_t duk_bi_object_prototype_property_is_enumerable(duk_context *ctx) {
- return duk_hobject_object_ownprop_helper(ctx, DUK_PROPDESC_FLAG_ENUMERABLE /*required_desc_flags*/);
+ done:
+ if (magic == 1) {
+ duk_push_true(ctx);
+ }
+ return 1;
}
-#line 1 "duk_bi_pointer.c"
+#endif /* DUK_USE_OBJECT_BUILTIN || DUK_USE_REFLECT_BUILTIN */
/*
* Pointer built-ins
*/
-/* include removed: duk_internal.h */
+/* #include duk_internal.h -> already included */
/*
* Constructor
@@ -33598,14 +35850,14 @@ DUK_INTERNAL duk_ret_t duk_bi_pointer_constructor(duk_context *ctx) {
duk_set_top(ctx, 1);
if (duk_is_constructor_call(ctx)) {
- duk_push_object_helper(ctx,
- DUK_HOBJECT_FLAG_EXTENSIBLE |
- DUK_HOBJECT_CLASS_AS_FLAGS(DUK_HOBJECT_CLASS_POINTER),
- DUK_BIDX_POINTER_PROTOTYPE);
+ (void) duk_push_object_helper(ctx,
+ DUK_HOBJECT_FLAG_EXTENSIBLE |
+ DUK_HOBJECT_CLASS_AS_FLAGS(DUK_HOBJECT_CLASS_POINTER),
+ DUK_BIDX_POINTER_PROTOTYPE);
/* Pointer object internal value is immutable */
- duk_dup(ctx, 0);
- duk_xdef_prop_stridx(ctx, -2, DUK_STRIDX_INT_VALUE, DUK_PROPDESC_FLAGS_NONE);
+ duk_dup_0(ctx);
+ duk_xdef_prop_stridx_short(ctx, -2, DUK_STRIDX_INT_VALUE, DUK_PROPDESC_FLAGS_NONE);
}
/* Note: unbalanced stack on purpose */
@@ -33635,7 +35887,7 @@ DUK_INTERNAL duk_ret_t duk_bi_pointer_prototype_tostring_shared(duk_context *ctx
goto type_error;
}
- duk_get_prop_stridx(ctx, -1, DUK_STRIDX_INT_VALUE);
+ duk_get_prop_stridx_short(ctx, -1, DUK_STRIDX_INT_VALUE);
} else {
goto type_error;
}
@@ -33646,45 +35898,129 @@ DUK_INTERNAL duk_ret_t duk_bi_pointer_prototype_tostring_shared(duk_context *ctx
return 1;
type_error:
- return DUK_RET_TYPE_ERROR;
+ DUK_DCERROR_TYPE_INVALID_ARGS((duk_hthread *) ctx);
}
-#line 1 "duk_bi_proxy.c"
/*
- * Proxy built-in (ES6)
+ * Proxy built-in (ES2015)
+ */
+
+/* #include duk_internal.h -> already included */
+
+#if defined(DUK_USE_ES6_PROXY)
+/* Post-process a Proxy ownKeys() result at stack top. Push a cleaned up
+ * array of valid result keys (strings or symbols). TypeError for invalid
+ * values. Flags are shared with duk_enum().
*/
+DUK_INTERNAL void duk_proxy_ownkeys_postprocess(duk_context *ctx, duk_hobject *h_proxy_target, duk_uint_t flags) {
+ duk_hthread *thr = (duk_hthread *) ctx;
+ duk_uarridx_t i, len, idx;
+ duk_propdesc desc;
+
+ DUK_ASSERT_CTX_VALID(ctx);
+ DUK_ASSERT(h_proxy_target != NULL);
+
+ len = (duk_uarridx_t) duk_get_length(ctx, -1);
+ idx = 0;
+ duk_push_array(ctx);
+ /* XXX: preallocated dense array, fill in directly */
+ for (i = 0; i < len; i++) {
+ duk_hstring *h;
+
+ /* [ obj trap_result res_arr ] */
+ (void) duk_get_prop_index(ctx, -2, i);
+ h = duk_get_hstring(ctx, -1);
+ if (h == NULL) {
+ DUK_ERROR_TYPE_INVALID_TRAP_RESULT(thr);
+ }
+
+ if (!(flags & DUK_ENUM_INCLUDE_NONENUMERABLE)) {
+ /* No support for 'getOwnPropertyDescriptor' trap yet,
+ * so check enumerability always from target object
+ * descriptor.
+ */
+ if (duk_hobject_get_own_propdesc(thr, h_proxy_target, duk_known_hstring(ctx, -1), &desc, 0 /*flags*/)) {
+ if ((desc.flags & DUK_PROPDESC_FLAG_ENUMERABLE) == 0) {
+ DUK_DDD(DUK_DDDPRINT("ignore non-enumerable property: %!T", duk_get_tval(ctx, -1)));
+ goto skip_key;
+ }
+ } else {
+ DUK_DDD(DUK_DDDPRINT("ignore non-existent property: %!T", duk_get_tval(ctx, -1)));
+ goto skip_key;
+ }
+ }
+ if (DUK_HSTRING_HAS_SYMBOL(h)) {
+ if (!(flags & DUK_ENUM_INCLUDE_SYMBOLS)) {
+ DUK_DDD(DUK_DDDPRINT("ignore symbol property: %!T", duk_get_tval(ctx, -1)));
+ goto skip_key;
+ }
+ if (DUK_HSTRING_HAS_HIDDEN(h) && !(flags & DUK_ENUM_INCLUDE_HIDDEN)) {
+ DUK_DDD(DUK_DDDPRINT("ignore hidden symbol property: %!T", duk_get_tval(ctx, -1)));
+ goto skip_key;
+ }
+ } else {
+ if (flags & DUK_ENUM_EXCLUDE_STRINGS) {
+ DUK_DDD(DUK_DDDPRINT("ignore string property: %!T", duk_get_tval(ctx, -1)));
+ goto skip_key;
+ }
+ }
+
+ /* [ obj trap_result res_arr propname ] */
+ duk_put_prop_index(ctx, -2, idx++);
+ continue;
+
+ skip_key:
+ duk_pop(ctx);
+ continue;
+ }
-/* include removed: duk_internal.h */
+ /* XXX: Missing trap result validation for non-configurable target keys
+ * (must be present), for non-extensible target all target keys must be
+ * present and no extra keys can be present.
+ * http://www.ecma-international.org/ecma-262/6.0/#sec-proxy-object-internal-methods-and-internal-slots-ownpropertykeys
+ */
+
+ /* XXX: The key enumerability check should trigger the "getOwnPropertyDescriptor"
+ * trap which has not yet been implemented. In the absence of such a trap,
+ * the enumerability should be checked from the target object; this is
+ * handled above.
+ */
+}
+#endif /* DUK_USE_ES6_PROXY */
#if defined(DUK_USE_ES6_PROXY)
DUK_INTERNAL duk_ret_t duk_bi_proxy_constructor(duk_context *ctx) {
duk_hobject *h_target;
duk_hobject *h_handler;
- if (!duk_is_constructor_call(ctx)) {
- return DUK_RET_TYPE_ERROR;
- }
+ duk_require_constructor_call(ctx);
/* Reject a proxy object as the target because it would need
- * special handler in property lookups. (ES6 has no such restriction)
+ * special handler in property lookups. (ES2015 has no such restriction)
*/
- h_target = duk_require_hobject_or_lfunc_coerce(ctx, 0);
+ h_target = duk_require_hobject_promote_mask(ctx, 0, DUK_TYPE_MASK_LIGHTFUNC | DUK_TYPE_MASK_BUFFER);
DUK_ASSERT(h_target != NULL);
if (DUK_HOBJECT_HAS_EXOTIC_PROXYOBJ(h_target)) {
- return DUK_RET_TYPE_ERROR;
+ goto fail_args;
}
/* Reject a proxy object as the handler because it would cause
- * potentially unbounded recursion. (ES6 has no such restriction)
+ * potentially unbounded recursion. (ES2015 has no such restriction)
+ *
+ * There's little practical reason to use a lightfunc or a plain
+ * buffer as the handler table: one could only provide traps via
+ * their prototype objects (Function.prototype and ArrayBuffer.prototype).
+ * Even so, as lightfuncs and plain buffers mimic their object
+ * counterparts, they're promoted and accepted here.
*/
- h_handler = duk_require_hobject_or_lfunc_coerce(ctx, 1);
+ h_handler = duk_require_hobject_promote_mask(ctx, 1, DUK_TYPE_MASK_LIGHTFUNC | DUK_TYPE_MASK_BUFFER);
DUK_ASSERT(h_handler != NULL);
if (DUK_HOBJECT_HAS_EXOTIC_PROXYOBJ(h_handler)) {
- return DUK_RET_TYPE_ERROR;
+ goto fail_args;
}
- /* XXX: the returned value is exotic in ES6, but we use a
+ /* XXX: the returned value is exotic in ES2015, but we use a
* simple object here with no prototype. Without a prototype,
- * [[DefaultValue]] coercion fails which is abit confusing.
+ * ToPrimitive() coercion fails which is a bit confusing.
* No callable check/handling in the current Proxy subset.
*/
(void) duk_push_object_helper_proto(ctx,
@@ -33700,29 +36036,131 @@ DUK_INTERNAL duk_ret_t duk_bi_proxy_constructor(duk_context *ctx) {
*/
/* Proxy target */
- duk_dup(ctx, 0);
- duk_xdef_prop_stridx(ctx, -2, DUK_STRIDX_INT_TARGET, DUK_PROPDESC_FLAGS_NONE);
+ duk_dup_0(ctx);
+ duk_xdef_prop_stridx_short(ctx, -2, DUK_STRIDX_INT_TARGET, DUK_PROPDESC_FLAGS_NONE);
/* Proxy handler */
- duk_dup(ctx, 1);
- duk_xdef_prop_stridx(ctx, -2, DUK_STRIDX_INT_HANDLER, DUK_PROPDESC_FLAGS_NONE);
+ duk_dup_1(ctx);
+ duk_xdef_prop_stridx_short(ctx, -2, DUK_STRIDX_INT_HANDLER, DUK_PROPDESC_FLAGS_NONE);
return 1; /* replacement handler */
-}
-#else /* DUK_USE_ES6_PROXY */
-DUK_INTERNAL duk_ret_t duk_bi_proxy_constructor(duk_context *ctx) {
- DUK_UNREF(ctx);
- return DUK_RET_UNSUPPORTED_ERROR;
+
+ fail_args:
+ DUK_DCERROR_TYPE_INVALID_ARGS((duk_hthread *) ctx);
}
#endif /* DUK_USE_ES6_PROXY */
-#line 1 "duk_bi_regexp.c"
+/*
+ * 'Reflect' built-in (ES2016 Section 26.1)
+ * http://www.ecma-international.org/ecma-262/7.0/#sec-reflect-object
+ *
+ * Many Reflect built-in functions are provided by shared helpers in
+ * duk_bi_object.c or duk_bi_function.c.
+ */
+
+/* #include duk_internal.h -> already included */
+
+#if defined(DUK_USE_REFLECT_BUILTIN)
+DUK_INTERNAL duk_ret_t duk_bi_reflect_object_delete_property(duk_context *ctx) {
+ duk_hthread *thr;
+ duk_tval *tv_obj;
+ duk_tval *tv_key;
+ duk_bool_t ret;
+
+ DUK_ASSERT_TOP(ctx, 2);
+ (void) duk_require_hobject(ctx, 0);
+ (void) duk_to_string(ctx, 1);
+
+ /* [ target key ] */
+
+ thr = (duk_hthread *) ctx;
+ DUK_ASSERT(thr != NULL);
+ tv_obj = DUK_GET_TVAL_POSIDX(ctx, 0);
+ tv_key = DUK_GET_TVAL_POSIDX(ctx, 1);
+ ret = duk_hobject_delprop(thr, tv_obj, tv_key, 0 /*throw_flag*/);
+ duk_push_boolean(ctx, ret);
+ return 1;
+}
+
+DUK_INTERNAL duk_ret_t duk_bi_reflect_object_get(duk_context *ctx) {
+ duk_hthread *thr;
+ duk_tval *tv_obj;
+ duk_tval *tv_key;
+ duk_idx_t nargs;
+
+ nargs = duk_get_top_require_min(ctx, 2 /*min_top*/);
+ (void) duk_require_hobject(ctx, 0);
+ (void) duk_to_string(ctx, 1);
+ if (nargs >= 3 && !duk_strict_equals(ctx, 0, 2)) {
+ /* XXX: [[Get]] receiver currently unsupported */
+ DUK_ERROR_UNSUPPORTED((duk_hthread *) ctx);
+ }
+
+ /* [ target key receiver? ...? ] */
+
+ thr = (duk_hthread *) ctx;
+ DUK_ASSERT(thr != NULL);
+ tv_obj = DUK_GET_TVAL_POSIDX(ctx, 0);
+ tv_key = DUK_GET_TVAL_POSIDX(ctx, 1);
+ (void) duk_hobject_getprop(thr, tv_obj, tv_key); /* This could also be a duk_get_prop(). */
+ return 1;
+}
+
+DUK_INTERNAL duk_ret_t duk_bi_reflect_object_has(duk_context *ctx) {
+ duk_hthread *thr;
+ duk_tval *tv_obj;
+ duk_tval *tv_key;
+ duk_bool_t ret;
+
+ DUK_ASSERT_TOP(ctx, 2);
+ (void) duk_require_hobject(ctx, 0);
+ (void) duk_to_string(ctx, 1);
+
+ /* [ target key ] */
+
+ thr = (duk_hthread *) ctx;
+ DUK_ASSERT(thr != NULL);
+ tv_obj = DUK_GET_TVAL_POSIDX(ctx, 0);
+ tv_key = DUK_GET_TVAL_POSIDX(ctx, 1);
+ ret = duk_hobject_hasprop(thr, tv_obj, tv_key);
+ duk_push_boolean(ctx, ret);
+ return 1;
+}
+
+DUK_INTERNAL duk_ret_t duk_bi_reflect_object_set(duk_context *ctx) {
+ duk_hthread *thr;
+ duk_tval *tv_obj;
+ duk_tval *tv_key;
+ duk_tval *tv_val;
+ duk_idx_t nargs;
+ duk_bool_t ret;
+
+ nargs = duk_get_top_require_min(ctx, 3 /*min_top*/);
+ (void) duk_require_hobject(ctx, 0);
+ (void) duk_to_string(ctx, 1);
+ if (nargs >= 4 && !duk_strict_equals(ctx, 0, 3)) {
+ /* XXX: [[Set]] receiver currently unsupported */
+ DUK_ERROR_UNSUPPORTED((duk_hthread *) ctx);
+ }
+
+ /* [ target key value receiver? ...? ] */
+
+ thr = (duk_hthread *) ctx;
+ DUK_ASSERT(thr != NULL);
+ tv_obj = DUK_GET_TVAL_POSIDX(ctx, 0);
+ tv_key = DUK_GET_TVAL_POSIDX(ctx, 1);
+ tv_val = DUK_GET_TVAL_POSIDX(ctx, 2);
+ ret = duk_hobject_putprop(thr, tv_obj, tv_key, tv_val, 0 /*throw_flag*/);
+ duk_push_boolean(ctx, ret);
+ return 1;
+}
+#endif /* DUK_USE_REFLECT_BUILTIN */
/*
* RegExp built-ins
*/
-/* include removed: duk_internal.h */
+/* #include duk_internal.h -> already included */
-#ifdef DUK_USE_REGEXP_SUPPORT
+#if defined(DUK_USE_REGEXP_SUPPORT)
DUK_LOCAL void duk__get_this_regexp(duk_context *ctx) {
duk_hobject *h;
@@ -33749,7 +36187,10 @@ DUK_INTERNAL duk_ret_t duk_bi_regexp_constructor(duk_context *ctx) {
/* Called as a function, pattern has [[Class]] "RegExp" and
* flags is undefined -> return object as is.
*/
- duk_dup(ctx, 0);
+ /* XXX: ES2015 has a NewTarget SameValue() check which is not
+ * yet implemented.
+ */
+ duk_dup_0(ctx);
return 1;
}
@@ -33759,34 +36200,28 @@ DUK_INTERNAL duk_ret_t duk_bi_regexp_constructor(duk_context *ctx) {
if (h_pattern != NULL &&
DUK_HOBJECT_GET_CLASS_NUMBER(h_pattern) == DUK_HOBJECT_CLASS_REGEXP) {
+ duk_get_prop_stridx_short(ctx, 0, DUK_STRIDX_SOURCE);
if (duk_is_undefined(ctx, 1)) {
- duk_bool_t flag_g, flag_i, flag_m;
- duk_get_prop_stridx(ctx, 0, DUK_STRIDX_SOURCE);
- flag_g = duk_get_prop_stridx_boolean(ctx, 0, DUK_STRIDX_GLOBAL, NULL);
- flag_i = duk_get_prop_stridx_boolean(ctx, 0, DUK_STRIDX_IGNORE_CASE, NULL);
- flag_m = duk_get_prop_stridx_boolean(ctx, 0, DUK_STRIDX_MULTILINE, NULL);
-
- duk_push_sprintf(ctx, "%s%s%s",
- (const char *) (flag_g ? "g" : ""),
- (const char *) (flag_i ? "i" : ""),
- (const char *) (flag_m ? "m" : ""));
-
- /* [ ... pattern flags ] */
+ /* In ES5 one would need to read the flags individually;
+ * in ES2015 just read .flags.
+ */
+ duk_get_prop_stridx(ctx, 0, DUK_STRIDX_FLAGS);
} else {
- return DUK_RET_TYPE_ERROR;
+ /* In ES2015 allowed; overrides argument RegExp flags. */
+ duk_dup_1(ctx);
}
} else {
if (duk_is_undefined(ctx, 0)) {
- duk_push_string(ctx, "");
+ duk_push_hstring_empty(ctx);
} else {
- duk_dup(ctx, 0);
- duk_to_string(ctx, -1);
+ duk_dup_0(ctx);
+ duk_to_string(ctx, -1); /* Rejects Symbols. */
}
if (duk_is_undefined(ctx, 1)) {
- duk_push_string(ctx, "");
+ duk_push_hstring_empty(ctx);
} else {
- duk_dup(ctx, 1);
- duk_to_string(ctx, -1);
+ duk_dup_1(ctx);
+ duk_to_string(ctx, -1); /* Rejects Symbols. */
}
/* [ ... pattern flags ] */
@@ -33795,8 +36230,10 @@ DUK_INTERNAL duk_ret_t duk_bi_regexp_constructor(duk_context *ctx) {
DUK_DDD(DUK_DDDPRINT("RegExp constructor/function call, pattern=%!T, flags=%!T",
(duk_tval *) duk_get_tval(ctx, -2), (duk_tval *) duk_get_tval(ctx, -1)));
- /* [ ... pattern flags ] */
+ /* [ ... pattern flags ] (both uncoerced) */
+ duk_to_string(ctx, -2);
+ duk_to_string(ctx, -1);
duk_regexp_compile(thr);
/* [ ... bytecode escaped_source ] */
@@ -33835,99 +36272,122 @@ DUK_INTERNAL duk_ret_t duk_bi_regexp_prototype_test(duk_context *ctx) {
return 1;
}
-DUK_INTERNAL duk_ret_t duk_bi_regexp_prototype_to_string(duk_context *ctx) {
- duk_hstring *h_bc;
- duk_small_int_t re_flags;
-
-#if 0
- /* A little tricky string approach to provide the flags string.
- * This depends on the specific flag values in duk_regexp.h,
- * which needs to be asserted for. In practice this doesn't
- * produce more compact code than the easier approach in use.
- */
-
- const char *flag_strings = "gim\0gi\0gm\0g\0";
- duk_uint8_t flag_offsets[8] = {
- (duk_uint8_t) 3, /* flags: "" */
- (duk_uint8_t) 10, /* flags: "g" */
- (duk_uint8_t) 5, /* flags: "i" */
- (duk_uint8_t) 4, /* flags: "gi" */
- (duk_uint8_t) 2, /* flags: "m" */
- (duk_uint8_t) 7, /* flags: "gm" */
- (duk_uint8_t) 1, /* flags: "im" */
- (duk_uint8_t) 0, /* flags: "gim" */
- };
- DUK_ASSERT(DUK_RE_FLAG_GLOBAL == 1);
- DUK_ASSERT(DUK_RE_FLAG_IGNORE_CASE == 2);
- DUK_ASSERT(DUK_RE_FLAG_MULTILINE == 4);
-#endif
-
- duk__get_this_regexp(ctx);
-
- /* [ regexp ] */
-
+DUK_INTERNAL duk_ret_t duk_bi_regexp_prototype_tostring(duk_context *ctx) {
+ /* This must be generic in ES2015 and later. */
+ DUK_ASSERT_TOP(ctx, 0);
+ duk_push_this(ctx);
+ duk_push_string(ctx, "/");
duk_get_prop_stridx(ctx, 0, DUK_STRIDX_SOURCE);
- duk_get_prop_stridx(ctx, 0, DUK_STRIDX_INT_BYTECODE);
- h_bc = duk_get_hstring(ctx, -1);
- DUK_ASSERT(h_bc != NULL);
- DUK_ASSERT(DUK_HSTRING_GET_BYTELEN(h_bc) >= 1);
- DUK_ASSERT(DUK_HSTRING_GET_CHARLEN(h_bc) >= 1);
- DUK_ASSERT(DUK_HSTRING_GET_DATA(h_bc)[0] < 0x80);
- re_flags = (duk_small_int_t) DUK_HSTRING_GET_DATA(h_bc)[0];
-
- /* [ regexp source bytecode ] */
+ duk_dup_m2(ctx); /* another "/" */
+ duk_get_prop_stridx(ctx, 0, DUK_STRIDX_FLAGS);
+ duk_concat(ctx, 4);
+ return 1;
+}
-#if 1
- /* This is a cleaner approach and also produces smaller code than
- * the other alternative. Use duk_require_string() for format
- * safety (although the source property should always exist).
- */
- duk_push_sprintf(ctx, "/%s/%s%s%s",
- (const char *) duk_require_string(ctx, -2), /* require to be safe */
- (re_flags & DUK_RE_FLAG_GLOBAL) ? "g" : "",
- (re_flags & DUK_RE_FLAG_IGNORE_CASE) ? "i" : "",
- (re_flags & DUK_RE_FLAG_MULTILINE) ? "m" : "");
-#else
- /* This should not be necessary because no-one should tamper with the
- * regexp bytecode, but is prudent to avoid potential segfaults if that
- * were to happen for some reason.
+DUK_INTERNAL duk_ret_t duk_bi_regexp_prototype_flags(duk_context *ctx) {
+ /* .flags is ES2015 but present even when ES2015 bindings are
+ * disabled because the constructor relies on it.
*/
- re_flags &= 0x07;
- DUK_ASSERT(re_flags >= 0 && re_flags <= 7); /* three flags */
- duk_push_sprintf(ctx, "/%s/%s",
- (const char *) duk_require_string(ctx, -2),
- (const char *) (flag_strings + flag_offsets[re_flags]));
-#endif
+ duk_uint8_t buf[8]; /* enough for all flags + NUL */
+ duk_uint8_t *p = buf;
+ /* .flags is generic and works on any object. */
+ duk_push_this(ctx);
+ (void) duk_require_hobject(ctx, -1);
+ if (duk_get_prop_stridx_boolean(ctx, 0, DUK_STRIDX_GLOBAL, NULL)) {
+ *p++ = DUK_ASC_LC_G;
+ }
+ if (duk_get_prop_stridx_boolean(ctx, 0, DUK_STRIDX_IGNORE_CASE, NULL)) {
+ *p++ = DUK_ASC_LC_I;
+ }
+ if (duk_get_prop_stridx_boolean(ctx, 0, DUK_STRIDX_MULTILINE, NULL)) {
+ *p++ = DUK_ASC_LC_M;
+ }
+ /* .unicode: to be added */
+ /* .sticky: to be added */
+ *p++ = DUK_ASC_NUL;
+ DUK_ASSERT((duk_size_t) (p - buf) <= sizeof(buf));
+
+ duk_push_string(ctx, (const char *) buf);
return 1;
}
-#else /* DUK_USE_REGEXP_SUPPORT */
+/* Shared helper for providing .source, .global, .multiline, etc getters. */
+DUK_INTERNAL duk_ret_t duk_bi_regexp_prototype_shared_getter(duk_context *ctx) {
+ duk_hthread *thr = (duk_hthread *) ctx;
+ duk_hstring *h_bc;
+ duk_small_int_t re_flags;
+ duk_hobject *h;
+ duk_int_t magic;
-DUK_INTERNAL duk_ret_t duk_bi_regexp_constructor(duk_context *ctx) {
- DUK_UNREF(ctx);
- return DUK_RET_UNSUPPORTED_ERROR;
-}
+ DUK_ASSERT_TOP(ctx, 0);
-DUK_INTERNAL duk_ret_t duk_bi_regexp_prototype_exec(duk_context *ctx) {
- DUK_UNREF(ctx);
- return DUK_RET_UNSUPPORTED_ERROR;
-}
+ duk_push_this(ctx);
+ h = duk_require_hobject(ctx, -1);
+ magic = duk_get_current_magic(ctx);
-DUK_INTERNAL duk_ret_t duk_bi_regexp_prototype_test(duk_context *ctx) {
- DUK_UNREF(ctx);
- return DUK_RET_UNSUPPORTED_ERROR;
-}
+ if (DUK_HOBJECT_GET_CLASS_NUMBER(h) == DUK_HOBJECT_CLASS_REGEXP) {
+ duk_get_prop_stridx_short(ctx, 0, DUK_STRIDX_INT_SOURCE);
+ duk_get_prop_stridx_short(ctx, 0, DUK_STRIDX_INT_BYTECODE);
+ h_bc = duk_require_hstring(ctx, -1);
+ re_flags = (duk_small_int_t) DUK_HSTRING_GET_DATA(h_bc)[0]; /* Safe even if h_bc length is 0 (= NUL) */
+ duk_pop(ctx);
+ } else if (h == thr->builtins[DUK_BIDX_REGEXP_PROTOTYPE]) {
+ /* In ES2015 and ES2016 a TypeError would be thrown here.
+ * However, this had real world issues so ES2017 draft
+ * allows RegExp.prototype specifically, returning '(?:)'
+ * for .source and undefined for all flags.
+ */
+ if (magic != 16 /* .source */) {
+ return 0;
+ }
+ duk_push_string(ctx, "(?:)"); /* .source handled by switch-case */
+ re_flags = 0;
+ } else {
+ DUK_DCERROR_TYPE_INVALID_ARGS(thr);
+ }
-DUK_INTERNAL duk_ret_t duk_bi_regexp_prototype_to_string(duk_context *ctx) {
- DUK_UNREF(ctx);
- return DUK_RET_UNSUPPORTED_ERROR;
+ /* [ regexp source ] */
+
+ switch (magic) {
+ case 0: { /* global */
+ duk_push_boolean(ctx, (re_flags & DUK_RE_FLAG_GLOBAL));
+ break;
+ }
+ case 1: { /* ignoreCase */
+ duk_push_boolean(ctx, (re_flags & DUK_RE_FLAG_IGNORE_CASE));
+ break;
+ }
+ case 2: { /* multiline */
+ duk_push_boolean(ctx, (re_flags & DUK_RE_FLAG_MULTILINE));
+ break;
+ }
+#if 0
+ /* Don't provide until implemented to avoid interfering with feature
+ * detection in user code.
+ */
+ case 3: /* sticky */
+ case 4: { /* unicode */
+ duk_push_false(ctx);
+ break;
+ }
+#endif
+ default: { /* source */
+ /* leave 'source' on top */
+ break;
+ }
+ }
+
+ return 1;
}
#endif /* DUK_USE_REGEXP_SUPPORT */
-#line 1 "duk_bi_string.c"
/*
* String built-ins
+ *
+ * Most String built-ins must only accept strings (or String objects).
+ * Symbols, represented internally as strings, must be generally rejected.
+ * The duk_push_this_coercible_to_string() helper does this automatically.
*/
/* XXX: There are several limitations in the current implementation for
@@ -33939,42 +36399,56 @@ DUK_INTERNAL duk_ret_t duk_bi_regexp_prototype_to_string(duk_context *ctx) {
* offsets/lengths.
*/
-/* include removed: duk_internal.h */
+/* #include duk_internal.h -> already included */
+
+#if defined(DUK_USE_STRING_BUILTIN)
/*
* Constructor
*/
DUK_INTERNAL duk_ret_t duk_bi_string_constructor(duk_context *ctx) {
+ duk_hstring *h;
+ duk_uint_t flags;
+
/* String constructor needs to distinguish between an argument not given at all
* vs. given as 'undefined'. We're a vararg function to handle this properly.
*/
+ /* XXX: copy current activation flags to thr, including current magic,
+ * is_constructor_call etc. This takes a few bytes in duk_hthread but
+ * makes call sites smaller (there are >30 is_constructor_call and get
+ * current magic call sites.
+ */
+
if (duk_get_top(ctx) == 0) {
- duk_push_hstring_stridx(ctx, DUK_STRIDX_EMPTY_STRING);
+ duk_push_hstring_empty(ctx);
} else {
- duk_to_string(ctx, 0);
+ h = duk_to_hstring_acceptsymbol(ctx, 0);
+ if (DUK_HSTRING_HAS_SYMBOL(h) && !duk_is_constructor_call(ctx)) {
+ duk_push_symbol_descriptive_string(ctx, h);
+ duk_replace(ctx, 0);
+ }
}
+ duk_to_string(ctx, 0); /* catches symbol argument for constructor call */
DUK_ASSERT(duk_is_string(ctx, 0));
- duk_set_top(ctx, 1);
+ duk_set_top(ctx, 1); /* Top may be 1 or larger. */
if (duk_is_constructor_call(ctx)) {
- duk_push_object_helper(ctx,
- DUK_HOBJECT_FLAG_EXTENSIBLE |
- DUK_HOBJECT_FLAG_EXOTIC_STRINGOBJ |
- DUK_HOBJECT_CLASS_AS_FLAGS(DUK_HOBJECT_CLASS_STRING),
- DUK_BIDX_STRING_PROTOTYPE);
-
/* String object internal value is immutable */
- duk_dup(ctx, 0);
- duk_xdef_prop_stridx(ctx, -2, DUK_STRIDX_INT_VALUE, DUK_PROPDESC_FLAGS_NONE);
+ flags = DUK_HOBJECT_FLAG_EXTENSIBLE |
+ DUK_HOBJECT_FLAG_EXOTIC_STRINGOBJ |
+ DUK_HOBJECT_CLASS_AS_FLAGS(DUK_HOBJECT_CLASS_STRING);
+ duk_push_object_helper(ctx, flags, DUK_BIDX_STRING_PROTOTYPE);
+ duk_dup_0(ctx);
+ duk_xdef_prop_stridx_short(ctx, -2, DUK_STRIDX_INT_VALUE, DUK_PROPDESC_FLAGS_NONE);
}
/* Note: unbalanced stack on purpose */
return 1;
}
-DUK_INTERNAL duk_ret_t duk_bi_string_constructor_from_char_code(duk_context *ctx) {
+DUK_LOCAL duk_ret_t duk__construct_from_codepoints(duk_context *ctx, duk_bool_t nonbmp) {
duk_hthread *thr = (duk_hthread *) ctx;
duk_bufwriter_ctx bw_alloc;
duk_bufwriter_ctx *bw;
@@ -33997,26 +36471,52 @@ DUK_INTERNAL duk_ret_t duk_bi_string_constructor_from_char_code(duk_context *ctx
* with one ensure call but the relative benefit would be quite small.
*/
+ if (nonbmp) {
+ /* ES2015 requires that (1) SameValue(cp, ToInteger(cp)) and
+ * (2) cp >= 0 and cp <= 0x10ffff. This check does not
+ * implement the steps exactly but the outcome should be
+ * the same.
+ */
+ duk_int32_t i32 = 0;
+ if (!duk_is_whole_get_int32(duk_to_number(ctx, i), &i32) ||
+ i32 < 0 || i32 > 0x10ffffL) {
+ DUK_DCERROR_RANGE_INVALID_ARGS((duk_hthread *) ctx);
+ }
+ DUK_ASSERT(i32 >= 0 && i32 <= 0x10ffffL);
+ cp = (duk_ucodepoint_t) i32;
+ DUK_BW_WRITE_ENSURE_CESU8(thr, bw, cp);
+ } else {
#if defined(DUK_USE_NONSTD_STRING_FROMCHARCODE_32BIT)
- /* ToUint16() coercion is mandatory in the E5.1 specification, but
- * this non-compliant behavior makes more sense because we support
- * non-BMP codepoints. Don't use CESU-8 because that'd create
- * surrogate pairs.
- */
-
- cp = (duk_ucodepoint_t) duk_to_uint32(ctx, i);
- DUK_BW_WRITE_ENSURE_XUTF8(thr, bw, cp);
+ /* ToUint16() coercion is mandatory in the E5.1 specification, but
+ * this non-compliant behavior makes more sense because we support
+ * non-BMP codepoints. Don't use CESU-8 because that'd create
+ * surrogate pairs.
+ */
+ cp = (duk_ucodepoint_t) duk_to_uint32(ctx, i);
+ DUK_BW_WRITE_ENSURE_XUTF8(thr, bw, cp);
#else
- cp = (duk_ucodepoint_t) duk_to_uint16(ctx, i);
- DUK_BW_WRITE_ENSURE_CESU8(thr, bw, cp);
+ cp = (duk_ucodepoint_t) duk_to_uint16(ctx, i);
+ DUK_ASSERT(cp >= 0 && cp <= 0x10ffffL);
+ DUK_BW_WRITE_ENSURE_CESU8(thr, bw, cp);
#endif
+ }
}
DUK_BW_COMPACT(thr, bw);
- duk_to_string(ctx, -1);
+ (void) duk_buffer_to_string(ctx, -1); /* Safe, extended UTF-8 or CESU-8 encoded. */
return 1;
}
+DUK_INTERNAL duk_ret_t duk_bi_string_constructor_from_char_code(duk_context *ctx) {
+ return duk__construct_from_codepoints(ctx, 0 /*nonbmp*/);
+}
+
+#if defined(DUK_USE_ES6)
+DUK_INTERNAL duk_ret_t duk_bi_string_constructor_from_code_point(duk_context *ctx) {
+ return duk__construct_from_codepoints(ctx, 1 /*nonbmp*/);
+}
+#endif
+
/*
* toString(), valueOf()
*/
@@ -34030,7 +36530,6 @@ DUK_INTERNAL duk_ret_t duk_bi_string_prototype_to_string(duk_context *ctx) {
if (DUK_TVAL_IS_STRING(tv)) {
/* return as is */
- return 1;
} else if (DUK_TVAL_IS_OBJECT(tv)) {
duk_hobject *h = DUK_TVAL_GET_OBJECT(tv);
DUK_ASSERT(h != NULL);
@@ -34040,18 +36539,17 @@ DUK_INTERNAL duk_ret_t duk_bi_string_prototype_to_string(duk_context *ctx) {
goto type_error;
}
- duk_get_prop_stridx(ctx, -1, DUK_STRIDX_INT_VALUE);
+ duk_get_prop_stridx_short(ctx, -1, DUK_STRIDX_INT_VALUE);
DUK_ASSERT(duk_is_string(ctx, -1));
-
- return 1;
} else {
goto type_error;
}
- /* never here, but fall through */
+ (void) duk_require_hstring_notsymbol(ctx, -1); /* Reject symbols (and wrapped symbols). */
+ return 1;
type_error:
- return DUK_RET_TYPE_ERROR;
+ DUK_DCERROR_TYPE_INVALID_ARGS((duk_hthread *) ctx);
}
/*
@@ -34069,11 +36567,14 @@ DUK_INTERNAL duk_ret_t duk_bi_string_prototype_char_at(duk_context *ctx) {
return 1;
}
+/* Magic: 0=charCodeAt, 1=codePointAt */
DUK_INTERNAL duk_ret_t duk_bi_string_prototype_char_code_at(duk_context *ctx) {
duk_hthread *thr = (duk_hthread *) ctx;
duk_int_t pos;
duk_hstring *h;
duk_bool_t clamped;
+ duk_uint32_t cp;
+ duk_int_t magic;
/* XXX: faster implementation */
@@ -34087,12 +36588,24 @@ DUK_INTERNAL duk_ret_t duk_bi_string_prototype_char_code_at(duk_context *ctx) {
0 /*min(incl)*/,
DUK_HSTRING_GET_CHARLEN(h) - 1 /*max(incl)*/,
&clamped /*out_clamped*/);
+#if defined(DUK_USE_ES6)
+ magic = duk_get_current_magic(ctx);
+#else
+ DUK_ASSERT(duk_get_current_magic(ctx) == 0);
+ magic = 0;
+#endif
if (clamped) {
- duk_push_number(ctx, DUK_DOUBLE_NAN);
- return 1;
+ /* For out-of-bounds indices .charCodeAt() returns NaN and
+ * .codePointAt() returns undefined.
+ */
+ if (magic != 0) {
+ return 0;
+ }
+ duk_push_nan(ctx);
+ } else {
+ cp = (duk_uint32_t) duk_hstring_char_code_at_raw(thr, h, pos, (duk_bool_t) magic /*surrogate_aware*/);
+ duk_push_u32(ctx, cp);
}
-
- duk_push_u32(ctx, (duk_uint32_t) duk_hstring_char_code_at_raw(thr, h, pos));
return 1;
}
@@ -34136,7 +36649,7 @@ DUK_INTERNAL duk_ret_t duk_bi_string_prototype_substring(duk_context *ctx) {
return 1;
}
-#ifdef DUK_USE_SECTION_B
+#if defined(DUK_USE_SECTION_B)
DUK_INTERNAL duk_ret_t duk_bi_string_prototype_substr(duk_context *ctx) {
duk_hstring *h;
duk_int_t start_pos, end_pos;
@@ -34147,7 +36660,7 @@ DUK_INTERNAL duk_ret_t duk_bi_string_prototype_substr(duk_context *ctx) {
* ("undefined" and "null").
*/
duk_push_this(ctx);
- h = duk_to_hstring(ctx, -1);
+ h = duk_to_hstring_m1(ctx); /* Reject Symbols. */
DUK_ASSERT(h != NULL);
len = (duk_int_t) DUK_HSTRING_GET_CHARLEN(h);
@@ -34179,11 +36692,6 @@ DUK_INTERNAL duk_ret_t duk_bi_string_prototype_substr(duk_context *ctx) {
duk_substring(ctx, -1, (duk_size_t) start_pos, (duk_size_t) end_pos);
return 1;
}
-#else /* DUK_USE_SECTION_B */
-DUK_INTERNAL duk_ret_t duk_bi_string_prototype_substr(duk_context *ctx) {
- DUK_UNREF(ctx);
- return DUK_RET_UNSUPPORTED_ERROR;
-}
#endif /* DUK_USE_SECTION_B */
DUK_INTERNAL duk_ret_t duk_bi_string_prototype_slice(duk_context *ctx) {
@@ -34360,13 +36868,13 @@ DUK_INTERNAL duk_ret_t duk_bi_string_prototype_replace(duk_context *ctx) {
duk_hobject *h_re;
duk_bufwriter_ctx bw_alloc;
duk_bufwriter_ctx *bw;
-#ifdef DUK_USE_REGEXP_SUPPORT
+#if defined(DUK_USE_REGEXP_SUPPORT)
duk_bool_t is_regexp;
duk_bool_t is_global;
#endif
duk_bool_t is_repl_func;
duk_uint32_t match_start_coff, match_start_boff;
-#ifdef DUK_USE_REGEXP_SUPPORT
+#if defined(DUK_USE_REGEXP_SUPPORT)
duk_int_t match_caps;
#endif
duk_uint32_t prev_match_end_boff;
@@ -34390,21 +36898,21 @@ DUK_INTERNAL duk_ret_t duk_bi_string_prototype_replace(duk_context *ctx) {
h_re = duk_get_hobject_with_class(ctx, 0, DUK_HOBJECT_CLASS_REGEXP);
if (h_re) {
-#ifdef DUK_USE_REGEXP_SUPPORT
+#if defined(DUK_USE_REGEXP_SUPPORT)
is_regexp = 1;
is_global = duk_get_prop_stridx_boolean(ctx, 0, DUK_STRIDX_GLOBAL, NULL);
if (is_global) {
/* start match from beginning */
duk_push_int(ctx, 0);
- duk_put_prop_stridx(ctx, 0, DUK_STRIDX_LAST_INDEX);
+ duk_put_prop_stridx_short(ctx, 0, DUK_STRIDX_LAST_INDEX);
}
#else /* DUK_USE_REGEXP_SUPPORT */
- return DUK_RET_UNSUPPORTED_ERROR;
+ DUK_DCERROR_UNSUPPORTED(thr);
#endif /* DUK_USE_REGEXP_SUPPORT */
} else {
- duk_to_string(ctx, 0);
-#ifdef DUK_USE_REGEXP_SUPPORT
+ duk_to_string(ctx, 0); /* rejects symbols */
+#if defined(DUK_USE_REGEXP_SUPPORT)
is_regexp = 0;
is_global = 0;
#endif
@@ -34418,7 +36926,7 @@ DUK_INTERNAL duk_ret_t duk_bi_string_prototype_replace(duk_context *ctx) {
duk_hstring *h_repl;
is_repl_func = 0;
- h_repl = duk_to_hstring(ctx, 1);
+ h_repl = duk_to_hstring(ctx, 1); /* reject symbols */
DUK_ASSERT(h_repl != NULL);
r_start = DUK_HSTRING_GET_DATA(h_repl);
r_end = r_start + DUK_HSTRING_GET_BYTELEN(h_repl);
@@ -34452,25 +36960,24 @@ DUK_INTERNAL duk_ret_t duk_bi_string_prototype_replace(duk_context *ctx) {
DUK_ASSERT_TOP(ctx, 4);
-#ifdef DUK_USE_REGEXP_SUPPORT
+#if defined(DUK_USE_REGEXP_SUPPORT)
if (is_regexp) {
- duk_dup(ctx, 0);
- duk_dup(ctx, 2);
+ duk_dup_0(ctx);
+ duk_dup_2(ctx);
duk_regexp_match(thr); /* [ ... regexp input ] -> [ res_obj ] */
if (!duk_is_object(ctx, -1)) {
duk_pop(ctx);
break;
}
- duk_get_prop_stridx(ctx, -1, DUK_STRIDX_INDEX);
+ duk_get_prop_stridx_short(ctx, -1, DUK_STRIDX_INDEX);
DUK_ASSERT(duk_is_number(ctx, -1));
match_start_coff = duk_get_int(ctx, -1);
duk_pop(ctx);
duk_get_prop_index(ctx, -1, 0);
DUK_ASSERT(duk_is_string(ctx, -1));
- h_match = duk_get_hstring(ctx, -1);
- DUK_ASSERT(h_match != NULL);
+ h_match = duk_known_hstring(ctx, -1);
duk_pop(ctx); /* h_match is borrowed, remains reachable through match_obj */
if (DUK_HSTRING_GET_BYTELEN(h_match) == 0) {
@@ -34479,13 +36986,13 @@ DUK_INTERNAL duk_ret_t duk_bi_string_prototype_replace(duk_context *ctx) {
*/
duk_uint32_t last_index;
- duk_get_prop_stridx(ctx, 0, DUK_STRIDX_LAST_INDEX);
+ duk_get_prop_stridx_short(ctx, 0, DUK_STRIDX_LAST_INDEX);
last_index = (duk_uint32_t) duk_get_uint(ctx, -1);
DUK_DDD(DUK_DDDPRINT("empty match, bump lastIndex: %ld -> %ld",
(long) last_index, (long) (last_index + 1)));
duk_pop(ctx);
duk_push_int(ctx, last_index + 1);
- duk_put_prop_stridx(ctx, 0, DUK_STRIDX_LAST_INDEX);
+ duk_put_prop_stridx_short(ctx, 0, DUK_STRIDX_LAST_INDEX);
}
DUK_ASSERT(duk_get_length(ctx, -1) <= DUK_INT_MAX); /* string limits */
@@ -34498,7 +37005,7 @@ DUK_INTERNAL duk_ret_t duk_bi_string_prototype_replace(duk_context *ctx) {
const duk_uint8_t *q_start; /* match string */
duk_size_t q_blen;
-#ifdef DUK_USE_REGEXP_SUPPORT
+#if defined(DUK_USE_REGEXP_SUPPORT)
DUK_ASSERT(!is_global); /* single match always */
#endif
@@ -34506,8 +37013,7 @@ DUK_INTERNAL duk_ret_t duk_bi_string_prototype_replace(duk_context *ctx) {
p_end = p_start + DUK_HSTRING_GET_BYTELEN(h_input);
p = p_start;
- h_search = duk_get_hstring(ctx, 0);
- DUK_ASSERT(h_search != NULL);
+ h_search = duk_known_hstring(ctx, 0);
q_start = DUK_HSTRING_GET_DATA(h_search);
q_blen = (duk_size_t) DUK_HSTRING_GET_BYTELEN(h_search);
@@ -34518,10 +37024,9 @@ DUK_INTERNAL duk_ret_t duk_bi_string_prototype_replace(duk_context *ctx) {
while (p <= p_end) {
DUK_ASSERT(p + q_blen <= DUK_HSTRING_GET_DATA(h_input) + DUK_HSTRING_GET_BYTELEN(h_input));
if (DUK_MEMCMP((const void *) p, (const void *) q_start, (size_t) q_blen) == 0) {
- duk_dup(ctx, 0);
- h_match = duk_get_hstring(ctx, -1);
- DUK_ASSERT(h_match != NULL);
-#ifdef DUK_USE_REGEXP_SUPPORT
+ duk_dup_0(ctx);
+ h_match = duk_known_hstring(ctx, -1);
+#if defined(DUK_USE_REGEXP_SUPPORT)
match_caps = 0;
#endif
goto found;
@@ -34559,10 +37064,10 @@ DUK_INTERNAL duk_ret_t duk_bi_string_prototype_replace(duk_context *ctx) {
/* regexp res_obj is at index 4 */
- duk_dup(ctx, 1);
+ duk_dup_1(ctx);
idx_args = duk_get_top(ctx);
-#ifdef DUK_USE_REGEXP_SUPPORT
+#if defined(DUK_USE_REGEXP_SUPPORT)
if (is_regexp) {
duk_int_t idx;
duk_require_stack(ctx, match_caps + 2);
@@ -34575,15 +37080,15 @@ DUK_INTERNAL duk_ret_t duk_bi_string_prototype_replace(duk_context *ctx) {
{ /* unconditionally */
#endif /* DUK_USE_REGEXP_SUPPORT */
/* match == search string, by definition */
- duk_dup(ctx, 0);
+ duk_dup_0(ctx);
}
duk_push_int(ctx, match_start_coff);
- duk_dup(ctx, 2);
+ duk_dup_2(ctx);
/* [ ... replacer match [captures] match_char_offset input ] */
duk_call(ctx, duk_get_top(ctx) - idx_args);
- h_repl = duk_to_hstring(ctx, -1); /* -> [ ... repl_value ] */
+ h_repl = duk_to_hstring_m1(ctx); /* -> [ ... repl_value ] */
DUK_ASSERT(h_repl != NULL);
DUK_BW_WRITE_ENSURE_HSTRING(thr, bw, h_repl);
@@ -34595,7 +37100,7 @@ DUK_INTERNAL duk_ret_t duk_bi_string_prototype_replace(duk_context *ctx) {
while (r < r_end) {
duk_int_t ch1;
duk_int_t ch2;
-#ifdef DUK_USE_REGEXP_SUPPORT
+#if defined(DUK_USE_REGEXP_SUPPORT)
duk_int_t ch3;
#endif
duk_size_t left;
@@ -34611,7 +37116,7 @@ DUK_INTERNAL duk_ret_t duk_bi_string_prototype_replace(duk_context *ctx) {
}
ch2 = r[0];
- switch ((int) ch2) {
+ switch (ch2) {
case DUK_ASC_DOLLAR: {
ch1 = (1 << 8) + DUK_ASC_DOLLAR;
goto repl_write;
@@ -34643,7 +37148,7 @@ DUK_INTERNAL duk_ret_t duk_bi_string_prototype_replace(duk_context *ctx) {
continue;
}
default: {
-#ifdef DUK_USE_REGEXP_SUPPORT
+#if defined(DUK_USE_REGEXP_SUPPORT)
duk_int_t capnum, captmp, capadv;
/* XXX: optional check, match_caps is zero if no regexp,
* so dollar will be interpreted literally anyway.
@@ -34678,8 +37183,7 @@ DUK_INTERNAL duk_ret_t duk_bi_string_prototype_replace(duk_context *ctx) {
if (duk_is_string(ctx, -1)) {
duk_hstring *h_tmp_str;
- h_tmp_str = duk_get_hstring(ctx, -1);
- DUK_ASSERT(h_tmp_str != NULL);
+ h_tmp_str = duk_known_hstring(ctx, -1);
DUK_BW_WRITE_ENSURE_HSTRING(thr, bw, h_tmp_str);
} else {
@@ -34707,7 +37211,7 @@ DUK_INTERNAL duk_ret_t duk_bi_string_prototype_replace(duk_context *ctx) {
duk_pop(ctx); /* pop regexp res_obj or match string */
-#ifdef DUK_USE_REGEXP_SUPPORT
+#if defined(DUK_USE_REGEXP_SUPPORT)
if (!is_global) {
#else
{ /* unconditionally; is_global==0 */
@@ -34722,7 +37226,7 @@ DUK_INTERNAL duk_ret_t duk_bi_string_prototype_replace(duk_context *ctx) {
DUK_ASSERT_TOP(ctx, 4);
DUK_BW_COMPACT(thr, bw);
- duk_to_string(ctx, -1);
+ (void) duk_buffer_to_string(ctx, -1); /* Safe if inputs are safe. */
return 1;
}
@@ -34740,7 +37244,7 @@ DUK_INTERNAL duk_ret_t duk_bi_string_prototype_split(duk_context *ctx) {
duk_hstring *h_sep;
duk_uint32_t limit;
duk_uint32_t arr_idx;
-#ifdef DUK_USE_REGEXP_SUPPORT
+#if defined(DUK_USE_REGEXP_SUPPORT)
duk_bool_t is_regexp;
#endif
duk_bool_t matched; /* set to 1 if any match exists (needed for empty input special case) */
@@ -34776,23 +37280,23 @@ DUK_INTERNAL duk_ret_t duk_bi_string_prototype_split(duk_context *ctx) {
* whether separator is undefined. Since this is side effect free, we can
* skip the ToString() here.
*/
- duk_dup(ctx, 2);
+ duk_dup_2(ctx);
duk_put_prop_index(ctx, 3, 0);
return 1;
} else if (duk_get_hobject_with_class(ctx, 0, DUK_HOBJECT_CLASS_REGEXP) != NULL) {
-#ifdef DUK_USE_REGEXP_SUPPORT
+#if defined(DUK_USE_REGEXP_SUPPORT)
duk_push_hobject_bidx(ctx, DUK_BIDX_REGEXP_CONSTRUCTOR);
- duk_dup(ctx, 0);
+ duk_dup_0(ctx);
duk_new(ctx, 1); /* [ ... RegExp val ] -> [ ... res ] */
duk_replace(ctx, 0);
/* lastIndex is initialized to zero by new RegExp() */
is_regexp = 1;
#else
- return DUK_RET_UNSUPPORTED_ERROR;
+ DUK_DCERROR_UNSUPPORTED(thr);
#endif
} else {
duk_to_string(ctx, 0);
-#ifdef DUK_USE_REGEXP_SUPPORT
+#if defined(DUK_USE_REGEXP_SUPPORT)
is_regexp = 0;
#endif
}
@@ -34818,10 +37322,10 @@ DUK_INTERNAL duk_ret_t duk_bi_string_prototype_split(duk_context *ctx) {
DUK_ASSERT_TOP(ctx, 4);
-#ifdef DUK_USE_REGEXP_SUPPORT
+#if defined(DUK_USE_REGEXP_SUPPORT)
if (is_regexp) {
- duk_dup(ctx, 0);
- duk_dup(ctx, 2);
+ duk_dup_0(ctx);
+ duk_dup_2(ctx);
duk_regexp_match_force_global(thr); /* [ ... regexp input ] -> [ res_obj ] */
if (!duk_is_object(ctx, -1)) {
duk_pop(ctx);
@@ -34829,7 +37333,7 @@ DUK_INTERNAL duk_ret_t duk_bi_string_prototype_split(duk_context *ctx) {
}
matched = 1;
- duk_get_prop_stridx(ctx, -1, DUK_STRIDX_INDEX);
+ duk_get_prop_stridx_short(ctx, -1, DUK_STRIDX_INDEX);
DUK_ASSERT(duk_is_number(ctx, -1));
match_start_coff = duk_get_int(ctx, -1);
match_start_boff = duk_heap_strcache_offset_char2byte(thr, h_input, match_start_coff);
@@ -34841,7 +37345,7 @@ DUK_INTERNAL duk_ret_t duk_bi_string_prototype_split(duk_context *ctx) {
break;
}
- duk_get_prop_stridx(ctx, 0, DUK_STRIDX_LAST_INDEX);
+ duk_get_prop_stridx_short(ctx, 0, DUK_STRIDX_LAST_INDEX);
DUK_ASSERT(duk_is_number(ctx, -1));
match_end_coff = duk_get_int(ctx, -1);
match_end_boff = duk_heap_strcache_offset_char2byte(thr, h_input, match_end_coff);
@@ -34850,7 +37354,7 @@ DUK_INTERNAL duk_ret_t duk_bi_string_prototype_split(duk_context *ctx) {
/* empty match -> bump and continue */
if (prev_match_end_boff == match_end_boff) {
duk_push_int(ctx, match_end_coff + 1);
- duk_put_prop_stridx(ctx, 0, DUK_STRIDX_LAST_INDEX);
+ duk_put_prop_stridx_short(ctx, 0, DUK_STRIDX_LAST_INDEX);
duk_pop(ctx);
continue;
}
@@ -34866,8 +37370,7 @@ DUK_INTERNAL duk_ret_t duk_bi_string_prototype_split(duk_context *ctx) {
p_end = p_start + DUK_HSTRING_GET_BYTELEN(h_input);
p = p_start + prev_match_end_boff;
- h_sep = duk_get_hstring(ctx, 0);
- DUK_ASSERT(h_sep != NULL);
+ h_sep = duk_known_hstring(ctx, 0); /* symbol already rejected above */
q_start = DUK_HSTRING_GET_DATA(h_sep);
q_blen = (duk_size_t) DUK_HSTRING_GET_BYTELEN(h_sep);
q_clen = (duk_size_t) DUK_HSTRING_GET_CHARLEN(h_sep);
@@ -34953,7 +37456,7 @@ DUK_INTERNAL duk_ret_t duk_bi_string_prototype_split(duk_context *ctx) {
goto hit_limit;
}
-#ifdef DUK_USE_REGEXP_SUPPORT
+#if defined(DUK_USE_REGEXP_SUPPORT)
if (is_regexp) {
duk_size_t i, len;
@@ -35003,7 +37506,7 @@ DUK_INTERNAL duk_ret_t duk_bi_string_prototype_split(duk_context *ctx) {
return 1;
hit_limit:
-#ifdef DUK_USE_REGEXP_SUPPORT
+#if defined(DUK_USE_REGEXP_SUPPORT)
if (is_regexp) {
duk_pop(ctx);
}
@@ -35016,19 +37519,19 @@ DUK_INTERNAL duk_ret_t duk_bi_string_prototype_split(duk_context *ctx) {
* Various
*/
-#ifdef DUK_USE_REGEXP_SUPPORT
-DUK_LOCAL void duk__to_regexp_helper(duk_context *ctx, duk_idx_t index, duk_bool_t force_new) {
+#if defined(DUK_USE_REGEXP_SUPPORT)
+DUK_LOCAL void duk__to_regexp_helper(duk_context *ctx, duk_idx_t idx, duk_bool_t force_new) {
duk_hobject *h;
/* Shared helper for match() steps 3-4, search() steps 3-4. */
- DUK_ASSERT(index >= 0);
+ DUK_ASSERT(idx >= 0);
if (force_new) {
goto do_new;
}
- h = duk_get_hobject_with_class(ctx, index, DUK_HOBJECT_CLASS_REGEXP);
+ h = duk_get_hobject_with_class(ctx, idx, DUK_HOBJECT_CLASS_REGEXP);
if (!h) {
goto do_new;
}
@@ -35036,13 +37539,13 @@ DUK_LOCAL void duk__to_regexp_helper(duk_context *ctx, duk_idx_t index, duk_bool
do_new:
duk_push_hobject_bidx(ctx, DUK_BIDX_REGEXP_CONSTRUCTOR);
- duk_dup(ctx, index);
+ duk_dup(ctx, idx);
duk_new(ctx, 1); /* [ ... RegExp val ] -> [ ... res ] */
- duk_replace(ctx, index);
+ duk_replace(ctx, idx);
}
#endif /* DUK_USE_REGEXP_SUPPORT */
-#ifdef DUK_USE_REGEXP_SUPPORT
+#if defined(DUK_USE_REGEXP_SUPPORT)
DUK_INTERNAL duk_ret_t duk_bi_string_prototype_search(duk_context *ctx) {
duk_hthread *thr = (duk_hthread *) ctx;
@@ -35068,8 +37571,8 @@ DUK_INTERNAL duk_ret_t duk_bi_string_prototype_search(duk_context *ctx) {
* configurable and may have been changed.
*/
- duk_dup(ctx, 0);
- duk_dup(ctx, 1); /* [ ... re_obj input ] */
+ duk_dup_0(ctx);
+ duk_dup_1(ctx); /* [ ... re_obj input ] */
duk_regexp_match(thr); /* -> [ ... res_obj ] */
if (!duk_is_object(ctx, -1)) {
@@ -35077,18 +37580,13 @@ DUK_INTERNAL duk_ret_t duk_bi_string_prototype_search(duk_context *ctx) {
return 1;
}
- duk_get_prop_stridx(ctx, -1, DUK_STRIDX_INDEX);
+ duk_get_prop_stridx_short(ctx, -1, DUK_STRIDX_INDEX);
DUK_ASSERT(duk_is_number(ctx, -1));
return 1;
}
-#else /* DUK_USE_REGEXP_SUPPORT */
-DUK_INTERNAL duk_ret_t duk_bi_string_prototype_search(duk_context *ctx) {
- DUK_UNREF(ctx);
- return DUK_RET_UNSUPPORTED_ERROR;
-}
#endif /* DUK_USE_REGEXP_SUPPORT */
-#ifdef DUK_USE_REGEXP_SUPPORT
+#if defined(DUK_USE_REGEXP_SUPPORT)
DUK_INTERNAL duk_ret_t duk_bi_string_prototype_match(duk_context *ctx) {
duk_hthread *thr = (duk_hthread *) ctx;
duk_bool_t global;
@@ -35116,7 +37614,7 @@ DUK_INTERNAL duk_ret_t duk_bi_string_prototype_match(duk_context *ctx) {
/* [ regexp string ] */
duk_push_int(ctx, 0);
- duk_put_prop_stridx(ctx, 0, DUK_STRIDX_LAST_INDEX);
+ duk_put_prop_stridx_short(ctx, 0, DUK_STRIDX_LAST_INDEX);
duk_push_array(ctx);
/* [ regexp string res_arr ] */
@@ -35127,8 +37625,8 @@ DUK_INTERNAL duk_ret_t duk_bi_string_prototype_match(duk_context *ctx) {
for (;;) {
DUK_ASSERT_TOP(ctx, 3);
- duk_dup(ctx, 0);
- duk_dup(ctx, 1);
+ duk_dup_0(ctx);
+ duk_dup_1(ctx);
duk_regexp_match(thr); /* -> [ ... regexp string ] -> [ ... res_obj ] */
if (!duk_is_object(ctx, -1)) {
@@ -35136,7 +37634,7 @@ DUK_INTERNAL duk_ret_t duk_bi_string_prototype_match(duk_context *ctx) {
break;
}
- duk_get_prop_stridx(ctx, 0, DUK_STRIDX_LAST_INDEX);
+ duk_get_prop_stridx_short(ctx, 0, DUK_STRIDX_LAST_INDEX);
DUK_ASSERT(duk_is_number(ctx, -1));
this_index = duk_get_int(ctx, -1);
duk_pop(ctx);
@@ -35144,7 +37642,7 @@ DUK_INTERNAL duk_ret_t duk_bi_string_prototype_match(duk_context *ctx) {
if (this_index == prev_last_index) {
this_index++;
duk_push_int(ctx, this_index);
- duk_put_prop_stridx(ctx, 0, DUK_STRIDX_LAST_INDEX);
+ duk_put_prop_stridx_short(ctx, 0, DUK_STRIDX_LAST_INDEX);
}
prev_last_index = this_index;
@@ -35160,11 +37658,6 @@ DUK_INTERNAL duk_ret_t duk_bi_string_prototype_match(duk_context *ctx) {
return 1; /* return 'res_arr' or 'null' */
}
-#else /* DUK_USE_REGEXP_SUPPORT */
-DUK_INTERNAL duk_ret_t duk_bi_string_prototype_match(duk_context *ctx) {
- DUK_UNREF(ctx);
- return DUK_RET_UNSUPPORTED_ERROR;
-}
#endif /* DUK_USE_REGEXP_SUPPORT */
DUK_INTERNAL duk_ret_t duk_bi_string_prototype_concat(duk_context *ctx) {
@@ -35183,6 +37676,104 @@ DUK_INTERNAL duk_ret_t duk_bi_string_prototype_trim(duk_context *ctx) {
return 1;
}
+#if defined(DUK_USE_ES6)
+DUK_INTERNAL duk_ret_t duk_bi_string_prototype_repeat(duk_context *ctx) {
+ duk_hstring *h_input;
+ duk_size_t input_blen;
+ duk_size_t result_len;
+ duk_int_t count_signed;
+ duk_uint_t count;
+ const duk_uint8_t *src;
+ duk_uint8_t *buf;
+ duk_uint8_t *p;
+ duk_double_t d;
+#if !defined(DUK_USE_PREFER_SIZE)
+ duk_size_t copy_size;
+ duk_uint8_t *p_end;
+#endif
+
+ DUK_ASSERT_TOP(ctx, 1);
+ h_input = duk_push_this_coercible_to_string(ctx);
+ DUK_ASSERT(h_input != NULL);
+ input_blen = DUK_HSTRING_GET_BYTELEN(h_input);
+
+ /* Count is ToNumber() coerced; +Infinity must be always rejected
+ * (even if input string is zero length), as well as negative values
+ * and -Infinity. -Infinity doesn't require an explicit check
+ * because duk_get_int() clamps it to DUK_INT_MIN which gets rejected
+ * as a negative value (regardless of input string length).
+ */
+ d = duk_to_number(ctx, 0);
+ if (duk_double_is_posinf(d)) {
+ goto fail_range;
+ }
+ count_signed = duk_get_int(ctx, 0);
+ if (count_signed < 0) {
+ goto fail_range;
+ }
+ count = (duk_uint_t) count_signed;
+
+ /* Overflow check for result length. */
+ result_len = count * input_blen;
+ if (count != 0 && result_len / count != input_blen) {
+ goto fail_range;
+ }
+
+ /* Temporary fixed buffer, later converted to string. */
+ buf = (duk_uint8_t *) duk_push_fixed_buffer_nozero(ctx, result_len);
+ src = (const duk_uint8_t *) DUK_HSTRING_GET_DATA(h_input);
+
+#if defined(DUK_USE_PREFER_SIZE)
+ p = buf;
+ while (count-- > 0) {
+ DUK_MEMCPY((void *) p, (const void *) src, input_blen); /* copy size may be zero */
+ p += input_blen;
+ }
+#else /* DUK_USE_PREFER_SIZE */
+ /* Take advantage of already copied pieces to speed up the process
+ * especially for small repeated strings.
+ */
+ p = buf;
+ p_end = p + result_len;
+ copy_size = input_blen;
+ for (;;) {
+ duk_size_t remain = (duk_size_t) (p_end - p);
+ DUK_DDD(DUK_DDDPRINT("remain=%ld, copy_size=%ld, input_blen=%ld, result_len=%ld",
+ (long) remain, (long) copy_size, (long) input_blen,
+ (long) result_len));
+ if (remain <= copy_size) {
+ /* If result_len is zero, this case is taken and does
+ * a zero size copy.
+ */
+ DUK_MEMCPY((void *) p, (const void *) src, remain);
+ break;
+ } else {
+ DUK_MEMCPY((void *) p, (const void *) src, copy_size);
+ p += copy_size;
+ }
+
+ src = (const duk_uint8_t *) buf; /* Use buf as source for larger copies. */
+ copy_size = (duk_size_t) (p - buf);
+ }
+#endif /* DUK_USE_PREFER_SIZE */
+
+ /* XXX: It would be useful to be able to create a duk_hstring with
+ * a certain byte size whose data area wasn't initialized and which
+ * wasn't in the string table yet. This would allow a string to be
+ * constructed directly without a buffer temporary and when it was
+ * finished, it could be injected into the string table. Currently
+ * this isn't possible because duk_hstrings are only tracked by the
+ * intern table (they are not in heap_allocated).
+ */
+
+ duk_buffer_to_string(ctx, -1); /* Safe if input is safe. */
+ return 1;
+
+ fail_range:
+ DUK_DCERROR_RANGE_INVALID_ARGS((duk_hthread *) ctx);
+}
+#endif /* DUK_USE_ES6 */
+
DUK_INTERNAL duk_ret_t duk_bi_string_prototype_locale_compare(duk_context *ctx) {
duk_hstring *h1;
duk_hstring *h2;
@@ -35240,31 +37831,205 @@ DUK_INTERNAL duk_ret_t duk_bi_string_prototype_locale_compare(duk_context *ctx)
duk_push_int(ctx, (duk_int_t) ret);
return 1;
}
-#line 1 "duk_bi_thread.c"
+
+#endif /* DUK_USE_STRING_BUILTIN */
+/*
+ * Symbol built-in
+ */
+
+/* #include duk_internal.h -> already included */
+
+#if defined(DUK_USE_SYMBOL_BUILTIN)
+
+/*
+ * Constructor
+ */
+
+DUK_INTERNAL duk_ret_t duk_bi_symbol_constructor_shared(duk_context *ctx) {
+ duk_hthread *thr;
+ const duk_uint8_t *desc;
+ duk_size_t len;
+ duk_uint8_t *buf;
+ duk_uint8_t *p;
+ duk_int_t magic;
+
+ thr = (duk_hthread *) ctx;
+
+ magic = duk_get_current_magic(ctx);
+ if (duk_is_undefined(ctx, 0) && (magic == 0)) {
+ /* Symbol() accepts undefined and empty string, but they are
+ * treated differently.
+ */
+ desc = NULL;
+ len = 0;
+ } else {
+ /* Symbol.for() coerces undefined to 'undefined' */
+ desc = (const duk_uint8_t *) duk_to_lstring(ctx, 0, &len);
+ }
+
+ /* Maximum symbol data length:
+ * +1 initial byte (0x80 or 0x81)
+ * +len description
+ * +1 0xff after description, before unique suffix
+ * +17 autogenerated unique suffix: 'ffffffff-ffffffff' is longest
+ * +1 0xff after unique suffix for symbols with undefined description
+ */
+ buf = (duk_uint8_t *) duk_push_fixed_buffer(ctx, 1 + len + 1 + 17 + 1);
+ p = buf + 1;
+ DUK_ASSERT(desc != NULL || len == 0); /* may be NULL if len is 0 */
+ DUK_MEMCPY((void *) p, (const void *) desc, len);
+ p += len;
+ if (magic == 0) {
+ /* Symbol(): create unique symbol. Use two 32-bit values
+ * to avoid dependency on 64-bit types and 64-bit integer
+ * formatting (at least for now).
+ */
+ if (++thr->heap->sym_counter[0] == 0) {
+ thr->heap->sym_counter[1]++;
+ }
+ p += DUK_SPRINTF((char *) p, "\xFF" "%lx-%lx",
+ (unsigned long) thr->heap->sym_counter[1],
+ (unsigned long) thr->heap->sym_counter[0]);
+ if (desc == NULL) {
+ /* Special case for 'undefined' description, trailing
+ * 0xff distinguishes from empty string description,
+ * but needs minimal special case handling elsewhere.
+ */
+ *p++ = 0xff;
+ }
+ buf[0] = 0x81;
+ } else {
+ /* Symbol.for(): create a global symbol */
+ buf[0] = 0x80;
+ }
+
+ duk_push_lstring(ctx, (const char *) buf, (duk_size_t) (p - buf));
+ DUK_DDD(DUK_DDDPRINT("created symbol: %!T", duk_get_tval(ctx, -1)));
+ return 1;
+}
+
+DUK_LOCAL duk_hstring *duk__auto_unbox_symbol(duk_context *ctx, duk_tval *tv_arg) {
+ duk_tval *tv;
+ duk_tval tv_val;
+ duk_hobject *h_obj;
+ duk_hstring *h_str;
+
+ DUK_ASSERT(tv_arg != NULL);
+
+ /* XXX: add internal helper: duk_auto_unbox_tval(ctx, tv, mask); */
+ /* XXX: add internal helper: duk_auto_unbox(ctx, tv, idx); */
+
+ tv = tv_arg;
+ if (DUK_TVAL_IS_OBJECT(tv)) {
+ h_obj = DUK_TVAL_GET_OBJECT(tv);
+ DUK_ASSERT(h_obj != NULL);
+ if (DUK_HOBJECT_GET_CLASS_NUMBER(h_obj) == DUK_HOBJECT_CLASS_SYMBOL) {
+ if (!duk_hobject_get_internal_value(((duk_hthread *) ctx)->heap, h_obj, &tv_val)) {
+ return NULL;
+ }
+ tv = &tv_val;
+ } else {
+ return NULL;
+ }
+ }
+
+ if (!DUK_TVAL_IS_STRING(tv)) {
+ return NULL;
+ }
+ h_str = DUK_TVAL_GET_STRING(tv);
+ DUK_ASSERT(h_str != NULL);
+
+ if (!DUK_HSTRING_HAS_SYMBOL(h_str)) {
+ return NULL;
+ }
+
+ return h_str;
+}
+
+DUK_INTERNAL duk_ret_t duk_bi_symbol_tostring_shared(duk_context *ctx) {
+ duk_hstring *h_str;
+
+ h_str = duk__auto_unbox_symbol(ctx, DUK_HTHREAD_THIS_PTR((duk_hthread *) ctx));
+ if (h_str == NULL) {
+ return DUK_RET_TYPE_ERROR;
+ }
+
+ if (duk_get_current_magic(ctx) == 0) {
+ /* .toString() */
+ duk_push_symbol_descriptive_string(ctx, h_str);
+ } else {
+ /* .valueOf() */
+ }
+ return 1;
+}
+
+DUK_INTERNAL duk_ret_t duk_bi_symbol_key_for(duk_context *ctx) {
+ duk_hstring *h;
+ const duk_uint8_t *p;
+
+ /* Argument must be a symbol but not checked here. The initial byte
+ * check will catch non-symbol strings.
+ */
+ h = duk_require_hstring(ctx, 0);
+ DUK_ASSERT(h != NULL);
+
+ p = (const duk_uint8_t *) DUK_HSTRING_GET_DATA(h);
+ DUK_ASSERT(p != NULL);
+
+ /* Even for zero length strings there's at least one NUL byte so
+ * we can safely check the initial byte.
+ */
+ if (p[0] == 0x80) {
+ /* Global symbol, return its key (bytes just after the initial byte). */
+ duk_push_lstring(ctx, (const char *) (p + 1), DUK_HSTRING_GET_BYTELEN(h) - 1);
+ return 1;
+ } else if (p[0] == 0x81 || p[0] == 0xff) {
+ /* Local symbol or hidden symbol, return undefined. */
+ return 0;
+ }
+
+ /* Covers normal strings and unknown initial bytes. */
+ return DUK_RET_TYPE_ERROR;
+}
+
+DUK_INTERNAL duk_ret_t duk_bi_symbol_toprimitive(duk_context *ctx) {
+ duk_hstring *h_str;
+
+ h_str = duk__auto_unbox_symbol(ctx, DUK_HTHREAD_THIS_PTR((duk_hthread *) ctx));
+ if (h_str == NULL) {
+ return DUK_RET_TYPE_ERROR;
+ }
+ duk_push_hstring(ctx, h_str);
+ return 1;
+}
+
+#endif /* DUK_USE_SYMBOL_BUILTIN */
/*
* Thread builtins
*/
-/* include removed: duk_internal.h */
+/* #include duk_internal.h -> already included */
/*
* Constructor
*/
+#if defined(DUK_USE_COROUTINE_SUPPORT)
DUK_INTERNAL duk_ret_t duk_bi_thread_constructor(duk_context *ctx) {
duk_hthread *new_thr;
duk_hobject *func;
- /* XXX: need a duk_require_func_or_lfunc_coerce() */
- if (!duk_is_callable(ctx, 0)) {
- return DUK_RET_TYPE_ERROR;
- }
- func = duk_require_hobject_or_lfunc_coerce(ctx, 0);
+ /* Check that the argument is callable; this is not 100% because we
+ * don't allow native functions to be a thread's initial function.
+ * Resume will reject such functions in any case.
+ */
+ /* XXX: need a duk_require_func_promote_lfunc() */
+ func = duk_require_hobject_promote_lfunc(ctx, 0);
DUK_ASSERT(func != NULL);
+ duk_require_callable(ctx, 0);
duk_push_thread(ctx);
- new_thr = (duk_hthread *) duk_get_hobject(ctx, -1);
- DUK_ASSERT(new_thr != NULL);
+ new_thr = (duk_hthread *) duk_known_hobject(ctx, -1);
new_thr->state = DUK_HTHREAD_STATE_INACTIVE;
/* push initial function call to new thread stack; this is
@@ -35274,6 +38039,7 @@ DUK_INTERNAL duk_ret_t duk_bi_thread_constructor(duk_context *ctx) {
return 1; /* return thread */
}
+#endif
/*
* Resume a thread.
@@ -35290,11 +38056,10 @@ DUK_INTERNAL duk_ret_t duk_bi_thread_constructor(duk_context *ctx) {
* Note: yield and resume handling is currently asymmetric.
*/
+#if defined(DUK_USE_COROUTINE_SUPPORT)
DUK_INTERNAL duk_ret_t duk_bi_thread_resume(duk_context *ctx) {
duk_hthread *thr = (duk_hthread *) ctx;
duk_hthread *thr_resume;
- duk_tval *tv;
- duk_hobject *func;
duk_hobject *caller_func;
duk_small_int_t is_error;
@@ -35321,11 +38086,11 @@ DUK_INTERNAL duk_ret_t duk_bi_thread_resume(duk_context *ctx) {
goto state_error;
}
DUK_ASSERT(DUK_ACT_GET_FUNC(thr->callstack + thr->callstack_top - 1) != NULL); /* us */
- DUK_ASSERT(DUK_HOBJECT_IS_NATIVEFUNCTION(DUK_ACT_GET_FUNC(thr->callstack + thr->callstack_top - 1)));
+ DUK_ASSERT(DUK_HOBJECT_IS_NATFUNC(DUK_ACT_GET_FUNC(thr->callstack + thr->callstack_top - 1)));
DUK_ASSERT(DUK_ACT_GET_FUNC(thr->callstack + thr->callstack_top - 2) != NULL); /* caller */
caller_func = DUK_ACT_GET_FUNC(thr->callstack + thr->callstack_top - 2);
- if (!DUK_HOBJECT_IS_COMPILEDFUNCTION(caller_func)) {
+ if (!DUK_HOBJECT_IS_COMPFUNC(caller_func)) {
DUK_DD(DUK_DDPRINT("resume state invalid: caller must be Ecmascript code"));
goto state_error;
}
@@ -35350,26 +38115,27 @@ DUK_INTERNAL duk_ret_t duk_bi_thread_resume(duk_context *ctx) {
* tip-top shape (longjmp handler will assert for these).
*/
} else {
+ duk_hobject *h_fun;
+
DUK_ASSERT(thr_resume->state == DUK_HTHREAD_STATE_INACTIVE);
+ /* The initial function must be an Ecmascript function (but
+ * can be bound). We must make sure of that before we longjmp
+ * because an error in the RESUME handler call processing will
+ * not be handled very cleanly.
+ */
if ((thr_resume->callstack_top != 0) ||
(thr_resume->valstack_top - thr_resume->valstack != 1)) {
- goto state_invalid_initial;
- }
- tv = &thr_resume->valstack_top[-1];
- DUK_ASSERT(tv >= thr_resume->valstack && tv < thr_resume->valstack_top);
- if (!DUK_TVAL_IS_OBJECT(tv)) {
- goto state_invalid_initial;
- }
- func = DUK_TVAL_GET_OBJECT(tv);
- DUK_ASSERT(func != NULL);
- if (!DUK_HOBJECT_IS_COMPILEDFUNCTION(func)) {
- /* Note: cannot be a bound function either right now,
- * this would be easy to relax though.
- */
- goto state_invalid_initial;
+ goto state_error;
}
+ duk_push_tval(ctx, DUK_GET_TVAL_NEGIDX((duk_context *) thr_resume, -1));
+ duk_resolve_nonbound_function(ctx);
+ h_fun = duk_require_hobject(ctx, -1); /* reject lightfuncs on purpose */
+ if (!DUK_HOBJECT_IS_CALLABLE(h_fun) || !DUK_HOBJECT_IS_COMPFUNC(h_fun)) {
+ goto state_error;
+ }
+ duk_pop(ctx);
}
/*
@@ -35387,7 +38153,7 @@ DUK_INTERNAL duk_ret_t duk_bi_thread_resume(duk_context *ctx) {
}
#endif
-#ifdef DUK_USE_DEBUG
+#if defined(DUK_USE_DEBUG)
if (is_error) {
DUK_DDD(DUK_DDDPRINT("RESUME ERROR: thread=%!T, value=%!T",
(duk_tval *) duk_get_tval(ctx, 0),
@@ -35412,22 +38178,19 @@ DUK_INTERNAL duk_ret_t duk_bi_thread_resume(duk_context *ctx) {
/* lj value1: value */
DUK_ASSERT(thr->valstack_bottom + 1 < thr->valstack_top);
DUK_TVAL_SET_TVAL_UPDREF(thr, &thr->heap->lj.value1, &thr->valstack_bottom[1]); /* side effects */
- DUK_TVAL_CHKFAST_INPLACE(&thr->heap->lj.value1);
+ DUK_TVAL_CHKFAST_INPLACE_SLOW(&thr->heap->lj.value1);
thr->heap->lj.iserror = is_error;
DUK_ASSERT(thr->heap->lj.jmpbuf_ptr != NULL); /* call is from executor, so we know we have a jmpbuf */
duk_err_longjmp(thr); /* execution resumes in bytecode executor */
- return 0; /* never here */
-
- state_invalid_initial:
- DUK_ERROR_TYPE(thr, "invalid initial thread state/stack");
- return 0; /* never here */
+ DUK_UNREACHABLE();
+ /* Never here, fall through to error (from compiler point of view). */
state_error:
- DUK_ERROR_TYPE(thr, "invalid state");
- return 0; /* never here */
+ DUK_DCERROR_TYPE_INVALID_STATE(thr);
}
+#endif
/*
* Yield the current thread.
@@ -35444,6 +38207,7 @@ DUK_INTERNAL duk_ret_t duk_bi_thread_resume(duk_context *ctx) {
* Note: yield and resume handling is currently asymmetric.
*/
+#if defined(DUK_USE_COROUTINE_SUPPORT)
DUK_INTERNAL duk_ret_t duk_bi_thread_yield(duk_context *ctx) {
duk_hthread *thr = (duk_hthread *) ctx;
duk_hobject *caller_func;
@@ -35476,11 +38240,11 @@ DUK_INTERNAL duk_ret_t duk_bi_thread_yield(duk_context *ctx) {
goto state_error;
}
DUK_ASSERT(DUK_ACT_GET_FUNC(thr->callstack + thr->callstack_top - 1) != NULL); /* us */
- DUK_ASSERT(DUK_HOBJECT_IS_NATIVEFUNCTION(DUK_ACT_GET_FUNC(thr->callstack + thr->callstack_top - 1)));
+ DUK_ASSERT(DUK_HOBJECT_IS_NATFUNC(DUK_ACT_GET_FUNC(thr->callstack + thr->callstack_top - 1)));
DUK_ASSERT(DUK_ACT_GET_FUNC(thr->callstack + thr->callstack_top - 2) != NULL); /* caller */
caller_func = DUK_ACT_GET_FUNC(thr->callstack + thr->callstack_top - 2);
- if (!DUK_HOBJECT_IS_COMPILEDFUNCTION(caller_func)) {
+ if (!DUK_HOBJECT_IS_COMPFUNC(caller_func)) {
DUK_DD(DUK_DDPRINT("yield state invalid: caller must be Ecmascript code"));
goto state_error;
}
@@ -35507,7 +38271,7 @@ DUK_INTERNAL duk_ret_t duk_bi_thread_yield(duk_context *ctx) {
}
#endif
-#ifdef DUK_USE_DEBUG
+#if defined(DUK_USE_DEBUG)
if (is_error) {
DUK_DDD(DUK_DDDPRINT("YIELD ERROR: value=%!T",
(duk_tval *) duk_get_tval(ctx, 0)));
@@ -35529,43 +38293,43 @@ DUK_INTERNAL duk_ret_t duk_bi_thread_yield(duk_context *ctx) {
/* lj value1: value */
DUK_ASSERT(thr->valstack_bottom < thr->valstack_top);
DUK_TVAL_SET_TVAL_UPDREF(thr, &thr->heap->lj.value1, &thr->valstack_bottom[0]); /* side effects */
- DUK_TVAL_CHKFAST_INPLACE(&thr->heap->lj.value1);
+ DUK_TVAL_CHKFAST_INPLACE_SLOW(&thr->heap->lj.value1);
thr->heap->lj.iserror = is_error;
DUK_ASSERT(thr->heap->lj.jmpbuf_ptr != NULL); /* call is from executor, so we know we have a jmpbuf */
duk_err_longjmp(thr); /* execution resumes in bytecode executor */
- return 0; /* never here */
+ DUK_UNREACHABLE();
+ /* Never here, fall through to error (from compiler point of view). */
state_error:
- DUK_ERROR_TYPE(thr, "invalid state");
- return 0; /* never here */
+ DUK_DCERROR_TYPE_INVALID_STATE(thr);
}
+#endif
+#if defined(DUK_USE_COROUTINE_SUPPORT)
DUK_INTERNAL duk_ret_t duk_bi_thread_current(duk_context *ctx) {
duk_push_current_thread(ctx);
return 1;
}
-#line 1 "duk_bi_thrower.c"
+#endif
/*
* Type error thrower, E5 Section 13.2.3.
*/
-/* include removed: duk_internal.h */
+/* #include duk_internal.h -> already included */
DUK_INTERNAL duk_ret_t duk_bi_type_error_thrower(duk_context *ctx) {
- DUK_UNREF(ctx);
- return DUK_RET_TYPE_ERROR;
+ DUK_DCERROR_TYPE_INVALID_ARGS((duk_hthread *) ctx);
}
-#line 1 "duk_debug_fixedbuffer.c"
/*
* Fixed buffer helper useful for debugging, requires no allocation
* which is critical for debugging.
*/
-/* include removed: duk_internal.h */
+/* #include duk_internal.h -> already included */
-#ifdef DUK_USE_DEBUG
+#if defined(DUK_USE_DEBUG)
DUK_INTERNAL void duk_fb_put_bytes(duk_fixedbuffer *fb, const duk_uint8_t *buffer, duk_size_t length) {
duk_size_t avail;
@@ -35627,255 +38391,6 @@ DUK_INTERNAL duk_bool_t duk_fb_is_full(duk_fixedbuffer *fb) {
}
#endif /* DUK_USE_DEBUG */
-#line 1 "duk_debug_heap.c"
-/*
- * Debug dumping of duk_heap.
- */
-
-/* include removed: duk_internal.h */
-
-#ifdef DUK_USE_DEBUG
-
-#if 0 /*unused*/
-DUK_LOCAL void duk__sanitize_snippet(char *buf, duk_size_t buf_size, duk_hstring *str) {
- duk_size_t i;
- duk_size_t nchars;
- duk_size_t maxchars;
- duk_uint8_t *data;
-
- DUK_MEMZERO(buf, buf_size);
-
- maxchars = (duk_size_t) (buf_size - 1);
- data = DUK_HSTRING_GET_DATA(str);
- nchars = ((duk_size_t) str->blen < maxchars ? (duk_size_t) str->blen : maxchars);
- for (i = 0; i < nchars; i++) {
- duk_small_int_t c = (duk_small_int_t) data[i];
- if (c < 0x20 || c > 0x7e) {
- c = '.';
- }
- buf[i] = (char) c;
- }
-}
-#endif
-
-#if 0
-DUK_LOCAL const char *duk__get_heap_type_string(duk_heaphdr *hdr) {
- switch (DUK_HEAPHDR_GET_TYPE(hdr)) {
- case DUK_HTYPE_STRING:
- return "string";
- case DUK_HTYPE_OBJECT:
- return "object";
- case DUK_HTYPE_BUFFER:
- return "buffer";
- default:
- return "???";
- }
-}
-#endif
-
-#if 0
-DUK_LOCAL void duk__dump_indented(duk_heaphdr *obj, int index) {
- DUK_UNREF(obj);
- DUK_UNREF(index);
- DUK_UNREF(duk__get_heap_type_string);
-
-#ifdef DUK_USE_REFERENCE_COUNTING
- DUK_D(DUK_DPRINT(" [%ld]: %p %s (flags: 0x%08lx, ref: %ld) -> %!O",
- (long) index,
- (void *) obj,
- (const char *) duk__get_heap_type_string(obj),
- (unsigned long) DUK_HEAPHDR_GET_FLAGS(obj),
- (long) DUK_HEAPHDR_GET_REFCOUNT(obj),
- (duk_heaphdr *) obj));
-#else
- DUK_D(DUK_DPRINT(" [%ld]: %p %s (flags: 0x%08lx) -> %!O",
- (long) index,
- (void *) obj,
- (const char *) duk__get_heap_type_string(obj),
- (unsigned long) DUK_HEAPHDR_GET_FLAGS(obj),
- (duk_heaphdr *) obj));
-#endif
-}
-#endif
-
-#if 0 /*unused*/
-DUK_LOCAL void duk__dump_heaphdr_list(duk_heap *heap, duk_heaphdr *root, const char *name) {
- duk_int_t count;
- duk_heaphdr *curr;
-
- DUK_UNREF(heap);
- DUK_UNREF(name);
-
- count = 0;
- curr = root;
- while (curr) {
- count++;
- curr = DUK_HEAPHDR_GET_NEXT(curr);
- }
-
- DUK_D(DUK_DPRINT("%s, %ld objects", (const char *) name, (long) count));
-
- count = 0;
- curr = root;
- while (curr) {
- count++;
- duk__dump_indented(curr, count);
- curr = DUK_HEAPHDR_GET_NEXT(curr);
- }
-}
-#endif
-
-#if 0 /*unused*/
-DUK_LOCAL void duk__dump_stringtable(duk_heap *heap) {
- duk_uint_fast32_t i;
- char buf[64+1];
-
- DUK_D(DUK_DPRINT("stringtable %p, used %ld, size %ld, load %ld%%",
- (void *) heap->strtable,
- (long) heap->st_used,
- (long) heap->st_size,
- (long) (((double) heap->st_used) / ((double) heap->st_size) * 100.0)));
-
- for (i = 0; i < (duk_uint_fast32_t) heap->st_size; i++) {
- duk_hstring *e = heap->strtable[i];
-
- if (!e) {
- DUK_D(DUK_DPRINT(" [%ld]: NULL", (long) i));
- } else if (e == DUK_STRTAB_DELETED_MARKER(heap)) {
- DUK_D(DUK_DPRINT(" [%ld]: DELETED", (long) i));
- } else {
- duk__sanitize_snippet(buf, sizeof(buf), e);
-
-#ifdef DUK_USE_REFERENCE_COUNTING
- DUK_D(DUK_DPRINT(" [%ld]: %p (flags: 0x%08lx, ref: %ld) '%s', strhash=0x%08lx, blen=%ld, clen=%ld, "
- "arridx=%ld, internal=%ld, reserved_word=%ld, strict_reserved_word=%ld, eval_or_arguments=%ld",
- (long) i,
- (void *) e,
- (unsigned long) DUK_HEAPHDR_GET_FLAGS((duk_heaphdr *) e),
- (long) DUK_HEAPHDR_GET_REFCOUNT((duk_heaphdr *) e),
- (const char *) buf,
- (unsigned long) e->hash,
- (long) e->blen,
- (long) e->clen,
- (long) (DUK_HSTRING_HAS_ARRIDX(e) ? 1 : 0),
- (long) (DUK_HSTRING_HAS_INTERNAL(e) ? 1 : 0),
- (long) (DUK_HSTRING_HAS_RESERVED_WORD(e) ? 1 : 0),
- (long) (DUK_HSTRING_HAS_STRICT_RESERVED_WORD(e) ? 1 : 0),
- (long) (DUK_HSTRING_HAS_EVAL_OR_ARGUMENTS(e) ? 1 : 0)));
-#else
- DUK_D(DUK_DPRINT(" [%ld]: %p (flags: 0x%08lx) '%s', strhash=0x%08lx, blen=%ld, clen=%ld, "
- "arridx=%ld, internal=%ld, reserved_word=%ld, strict_reserved_word=%ld, eval_or_arguments=%ld",
- (long) i,
- (void *) e,
- (unsigned long) DUK_HEAPHDR_GET_FLAGS((duk_heaphdr *) e),
- (const char *) buf,
- (long) e->hash,
- (long) e->blen,
- (long) e->clen,
- (long) (DUK_HSTRING_HAS_ARRIDX(e) ? 1 : 0),
- (long) (DUK_HSTRING_HAS_INTERNAL(e) ? 1 : 0),
- (long) (DUK_HSTRING_HAS_RESERVED_WORD(e) ? 1 : 0),
- (long) (DUK_HSTRING_HAS_STRICT_RESERVED_WORD(e) ? 1 : 0),
- (long) (DUK_HSTRING_HAS_EVAL_OR_ARGUMENTS(e) ? 1 : 0)));
-#endif
- }
- }
-}
-#endif
-
-#if 0 /*unused*/
-DUK_LOCAL void duk__dump_strcache(duk_heap *heap) {
- duk_uint_fast32_t i;
- char buf[64+1];
-
- DUK_D(DUK_DPRINT("stringcache"));
-
- for (i = 0; i < (duk_uint_fast32_t) DUK_HEAP_STRCACHE_SIZE; i++) {
- duk_strcache *c = &heap->strcache[i];
- if (!c->h) {
- DUK_D(DUK_DPRINT(" [%ld]: bidx=%ld, cidx=%ld, str=NULL",
- (long) i, (long) c->bidx, (long) c->cidx));
- } else {
- duk__sanitize_snippet(buf, sizeof(buf), c->h);
- DUK_D(DUK_DPRINT(" [%ld]: bidx=%ld cidx=%ld str=%s",
- (long) i, (long) c->bidx, (long) c->cidx, (const char *) buf));
- }
- }
-}
-#endif
-
-#if 0 /*unused*/
-DUK_INTERNAL void duk_debug_dump_heap(duk_heap *heap) {
- char buf[64+1];
-
- DUK_D(DUK_DPRINT("=== heap %p ===", (void *) heap));
- DUK_D(DUK_DPRINT(" flags: 0x%08lx", (unsigned long) heap->flags));
-
- /* Note: there is no standard formatter for function pointers */
-#ifdef DUK_USE_GCC_PRAGMAS
-#pragma GCC diagnostic push
-#pragma GCC diagnostic ignored "-pedantic"
-#endif
- duk_debug_format_funcptr(buf, sizeof(buf), (duk_uint8_t *) &heap->alloc_func, sizeof(heap->alloc_func));
- DUK_D(DUK_DPRINT(" alloc_func: %s", (const char *) buf));
- duk_debug_format_funcptr(buf, sizeof(buf), (duk_uint8_t *) &heap->realloc_func, sizeof(heap->realloc_func));
- DUK_D(DUK_DPRINT(" realloc_func: %s", (const char *) buf));
- duk_debug_format_funcptr(buf, sizeof(buf), (duk_uint8_t *) &heap->free_func, sizeof(heap->free_func));
- DUK_D(DUK_DPRINT(" free_func: %s", (const char *) buf));
- duk_debug_format_funcptr(buf, sizeof(buf), (duk_uint8_t *) &heap->fatal_func, sizeof(heap->fatal_func));
- DUK_D(DUK_DPRINT(" fatal_func: %s", (const char *) buf));
-#ifdef DUK_USE_GCC_PRAGMAS
-#pragma GCC diagnostic pop
-#endif
-
- DUK_D(DUK_DPRINT(" heap_udata: %p", (void *) heap->heap_udata));
-
-#ifdef DUK_USE_MARK_AND_SWEEP
-#ifdef DUK_USE_VOLUNTARY_GC
- DUK_D(DUK_DPRINT(" mark-and-sweep trig counter: %ld", (long) heap->mark_and_sweep_trigger_counter));
-#endif
- DUK_D(DUK_DPRINT(" mark-and-sweep rec depth: %ld", (long) heap->mark_and_sweep_recursion_depth));
- DUK_D(DUK_DPRINT(" mark-and-sweep base flags: 0x%08lx", (unsigned long) heap->mark_and_sweep_base_flags));
-#endif
-
- DUK_D(DUK_DPRINT(" lj.jmpbuf_ptr: %p", (void *) heap->lj.jmpbuf_ptr));
- DUK_D(DUK_DPRINT(" lj.type: %ld", (long) heap->lj.type));
- DUK_D(DUK_DPRINT(" lj.value1: %!T", (duk_tval *) &heap->lj.value1));
- DUK_D(DUK_DPRINT(" lj.value2: %!T", (duk_tval *) &heap->lj.value2));
- DUK_D(DUK_DPRINT(" lj.iserror: %ld", (long) heap->lj.iserror));
-
- DUK_D(DUK_DPRINT(" handling_error: %ld", (long) heap->handling_error));
-
- DUK_D(DUK_DPRINT(" heap_thread: %!@O", (duk_heaphdr *) heap->heap_thread));
- DUK_D(DUK_DPRINT(" curr_thread: %!@O", (duk_heaphdr *) heap->curr_thread));
- DUK_D(DUK_DPRINT(" heap_object: %!@O", (duk_heaphdr *) heap->heap_object));
-
- DUK_D(DUK_DPRINT(" call_recursion_depth: %ld", (long) heap->call_recursion_depth));
- DUK_D(DUK_DPRINT(" call_recursion_limit: %ld", (long) heap->call_recursion_limit));
-
- DUK_D(DUK_DPRINT(" hash_seed: 0x%08lx", (unsigned long) heap->hash_seed));
- DUK_D(DUK_DPRINT(" rnd_state: 0x%08lx", (unsigned long) heap->rnd_state));
-
- duk__dump_strcache(heap);
-
- duk__dump_heaphdr_list(heap, heap->heap_allocated, "heap allocated");
-
-#ifdef DUK_USE_REFERENCE_COUNTING
- duk__dump_heaphdr_list(heap, heap->refzero_list, "refcounting refzero list");
-#endif
-
-#ifdef DUK_USE_MARK_AND_SWEEP
- duk__dump_heaphdr_list(heap, heap->finalize_list, "mark-and-sweep finalize list");
-#endif
-
- duk__dump_stringtable(heap);
-
- /* heap->strs: not worth dumping */
-}
-#endif
-
-#endif /* DUK_USE_DEBUG */
-#line 1 "duk_debug_vsnprintf.c"
/*
* Custom formatter for debug printing, allowing Duktape specific data
* structures (such as tagged values and heap objects) to be printed with
@@ -35928,12 +38443,12 @@ DUK_INTERNAL void duk_debug_dump_heap(duk_heap *heap) {
* * Reference loops are detected using a loop stack.
*/
-/* include removed: duk_internal.h */
+/* #include duk_internal.h -> already included */
-#ifdef DUK_USE_DEBUG
+#if defined(DUK_USE_DEBUG)
-#include <stdio.h>
-#include <stdarg.h>
+/* #include stdio.h -> already included */
+/* #include stdarg.h -> already included */
#include <string.h>
/* list of conversion specifiers that terminate a format tag;
@@ -35951,48 +38466,46 @@ DUK_INTERNAL void duk_debug_dump_heap(duk_heap *heap) {
#define DUK__LOOP_STACK_DEPTH 256
/* must match bytecode defines now; build autogenerate? */
-DUK_LOCAL const char *duk__bc_optab[64] = {
- "LDREG", "STREG", "LDCONST", "LDINT", "LDINTX", "MPUTOBJ", "MPUTOBJI", "MPUTARR", "MPUTARRI", "NEW",
- "NEWI", "REGEXP", "CSREG", "CSREGI", "GETVAR", "PUTVAR", "DECLVAR", "DELVAR", "CSVAR", "CSVARI",
- "CLOSURE", "GETPROP", "PUTPROP", "DELPROP", "CSPROP", "CSPROPI", "ADD", "SUB", "MUL", "DIV",
- "MOD", "BAND", "BOR", "BXOR", "BASL", "BLSR", "BASR", "EQ", "NEQ", "SEQ",
- "SNEQ", "GT", "GE", "LT", "LE", "IF", "JUMP", "RETURN", "CALL", "CALLI",
- "TRYCATCH", "EXTRA", "PREINCR", "PREDECR", "POSTINCR", "POSTDECR", "PREINCV", "PREDECV", "POSTINCV", "POSTDECV",
- "PREINCP", "PREDECP", "POSTINCP", "POSTDECP"
-};
-
-DUK_LOCAL const char *duk__bc_extraoptab[256] = {
- "NOP", "INVALID", "LDTHIS", "LDUNDEF", "LDNULL", "LDTRUE", "LDFALSE", "NEWOBJ", "NEWARR", "SETALEN",
- "TYPEOF", "TYPEOFID", "INITENUM", "NEXTENUM", "INITSET", "INITSETI", "INITGET", "INITGETI", "ENDTRY", "ENDCATCH",
- "ENDFIN", "THROW", "INVLHS", "UNM", "UNP", "DEBUGGER", "BREAK", "CONTINUE", "BNOT", "LNOT",
- "INSTOF", "IN", "LABEL", "ENDLABEL", "XXX", "XXX", "XXX", "XXX", "XXX", "XXX",
- "XXX", "XXX", "XXX", "XXX", "XXX", "XXX", "XXX", "XXX", "XXX", "XXX",
-
- "XXX", "XXX", "XXX", "XXX", "XXX", "XXX", "XXX", "XXX", "XXX", "XXX",
- "XXX", "XXX", "XXX", "XXX", "XXX", "XXX", "XXX", "XXX", "XXX", "XXX",
- "XXX", "XXX", "XXX", "XXX", "XXX", "XXX", "XXX", "XXX", "XXX", "XXX",
- "XXX", "XXX", "XXX", "XXX", "XXX", "XXX", "XXX", "XXX", "XXX", "XXX",
- "XXX", "XXX", "XXX", "XXX", "XXX", "XXX", "XXX", "XXX", "XXX", "XXX",
-
- "XXX", "XXX", "XXX", "XXX", "XXX", "XXX", "XXX", "XXX", "XXX", "XXX",
- "XXX", "XXX", "XXX", "XXX", "XXX", "XXX", "XXX", "XXX", "XXX", "XXX",
- "XXX", "XXX", "XXX", "XXX", "XXX", "XXX", "XXX", "XXX", "XXX", "XXX",
- "XXX", "XXX", "XXX", "XXX", "XXX", "XXX", "XXX", "XXX", "XXX", "XXX",
- "XXX", "XXX", "XXX", "XXX", "XXX", "XXX", "XXX", "XXX", "XXX", "XXX",
-
- "XXX", "XXX", "XXX", "XXX", "XXX", "XXX", "XXX", "XXX", "XXX", "XXX",
- "XXX", "XXX", "XXX", "XXX", "XXX", "XXX", "XXX", "XXX", "XXX", "XXX",
- "XXX", "XXX", "XXX", "XXX", "XXX", "XXX", "XXX", "XXX", "XXX", "XXX",
- "XXX", "XXX", "XXX", "XXX", "XXX", "XXX", "XXX", "XXX", "XXX", "XXX",
- "XXX", "XXX", "XXX", "XXX", "XXX", "XXX", "XXX", "XXX", "XXX", "XXX",
-
- "XXX", "XXX", "XXX", "XXX", "XXX", "XXX", "XXX", "XXX", "XXX", "XXX",
- "XXX", "XXX", "XXX", "XXX", "XXX", "XXX", "XXX", "XXX", "XXX", "XXX",
- "XXX", "XXX", "XXX", "XXX", "XXX", "XXX", "XXX", "XXX", "XXX", "XXX",
- "XXX", "XXX", "XXX", "XXX", "XXX", "XXX", "XXX", "XXX", "XXX", "XXX",
- "XXX", "XXX", "XXX", "XXX", "XXX", "XXX", "XXX", "XXX", "XXX", "XXX",
-
- "XXX", "XXX", "XXX", "XXX", "XXX", "XXX"
+DUK_LOCAL const char *duk__bc_optab[256] = {
+ "LDREG", "STREG", "LDCONST", "LDINT", "LDINTX", "LDTHIS", "LDUNDEF", "LDNULL",
+ "LDTRUE", "LDFALSE", "BNOT", "LNOT", "UNM", "UNP", "TYPEOF", "TYPEOFID",
+ "EQ_RR", "EQ_CR", "EQ_RC", "EQ_CC", "NEQ_RR", "NEQ_CR", "NEQ_RC", "NEQ_CC",
+ "SEQ_RR", "SEQ_CR", "SEQ_RC", "SEQ_CC", "SNEQ_RR", "SNEQ_CR", "SNEQ_RC", "SNEQ_CC",
+
+ "GT_RR", "GT_CR", "GT_RC", "GT_CC", "GE_RR", "GE_CR", "GE_RC", "GE_CC",
+ "LT_RR", "LT_CR", "LT_RC", "LT_CC", "LE_RR", "LE_CR", "LE_RC", "LE_CC",
+ "IFTRUE_R", "IFTRUE_C", "IFFALSE_R", "IFFALSE_C", "ADD_RR", "ADD_CR", "ADD_RC", "ADD_CC",
+ "SUB_RR", "SUB_CR", "SUB_RC", "SUB_CC", "MUL_RR", "MUL_CR", "MUL_RC", "MUL_CC",
+
+ "DIV_RR", "DIV_CR", "DIV_RC", "DIV_CC", "MOD_RR", "MOD_CR", "MOD_RC", "MOD_CC",
+ "BAND_RR", "BAND_CR", "BAND_RC", "BAND_CC", "BOR_RR", "BOR_CR", "BOR_RC", "BOR_CC",
+ "BXOR_RR", "BXOR_CR", "BXOR_RC", "BXOR_CC", "BASL_RR", "BASL_CR", "BASL_RC", "BASL_CC",
+ "BLSR_RR", "BLSR_CR", "BLSR_RC", "BLSR_CC", "BASR_RR", "BASR_CR", "BASR_RC", "BASR_CC",
+
+ "INSTOF_RR", "INSTOF_CR", "INSTOF_RC", "INSTOF_CC", "IN_RR", "IN_CR", "IN_RC", "IN_CC",
+ "PREINCR", "PREDECR", "POSTINCR", "POSTDECR", "PREINCV", "PREDECV", "POSTINCV", "POSTDECV",
+ "PREINCP_RR", "PREINCP_CR", "PREINCP_RC", "PREINCP_CC", "PREDECP_RR", "PREDECP_CR", "PREDECP_RC", "PREDECP_CC",
+ "POSTINCP_RR", "POSTINCP_CR", "POSTINCP_RC", "POSTINCP_CC", "POSTDECP_RR", "POSTDECP_CR", "POSTDECP_RC", "POSTDECP_CC",
+
+ "GETPROP_RR", "GETPROP_CR", "GETPROP_RC", "GETPROP_CC", "PUTPROP_RR", "PUTPROP_CR", "PUTPROP_RC", "PUTPROP_CC",
+ "DELPROP_RR", "DELPROP_CR", "DELPROP_RC", "DELPROP_CC", "DECLVAR_RR", "DECLVAR_CR", "DECLVAR_RC", "DECLVAR_CC",
+ "REGEXP_RR", "REGEXP_RC", "REGEXP_CR", "REGEXP_CC", "CSVAR_RR", "CSVAR_CR", "CSVAR_RC", "CSVAR_CC",
+ "CLOSURE", "GETVAR", "PUTVAR", "DELVAR", "JUMP", "RETREG", "RETUNDEF", "RETCONST",
+
+ "RETCONSTN", "LABEL", "ENDLABEL", "BREAK", "CONTINUE", "TRYCATCH", "ENDTRY", "ENDCATCH",
+ "ENDFIN", "THROW", "CSREG", "EVALCALL", "CALL", "TAILCALL", "NEW", "NEWOBJ",
+ "NEWARR", "MPUTOBJ", "MPUTOBJI", "INITSET", "INITGET", "MPUTARR", "MPUTARRI", "SETALEN",
+ "INITENUM", "NEXTENUM", "INVLHS", "DEBUGGER", "NOP", "INVALID", "UNUSED190", "UNUSED191",
+
+ "UNUSED192", "UNUSED193", "UNUSED194", "UNUSED195", "UNUSED196", "UNUSED197", "UNUSED198", "UNUSED199",
+ "UNUSED200", "UNUSED201", "UNUSED202", "UNUSED203", "UNUSED204", "UNUSED205", "UNUSED206", "UNUSED207",
+ "UNUSED208", "UNUSED209", "UNUSED210", "UNUSED211", "UNUSED212", "UNUSED213", "UNUSED214", "UNUSED215",
+ "UNUSED216", "UNUSED217", "UNUSED218", "UNUSED219", "UNUSED220", "UNUSED221", "UNUSED222", "UNUSED223",
+
+ "UNUSED224", "UNUSED225", "UNUSED226", "UNUSED227", "UNUSED228", "UNUSED229", "UNUSED230", "UNUSED231",
+ "UNUSED232", "UNUSED233", "UNUSED234", "UNUSED235", "UNUSED236", "UNUSED237", "UNUSED238", "UNUSED239",
+ "UNUSED240", "UNUSED241", "UNUSED242", "UNUSED243", "UNUSED244", "UNUSED245", "UNUSED246", "UNUSED247",
+ "UNUSED248", "UNUSED249", "UNUSED250", "UNUSED251", "UNUSED252", "UNUSED253", "UNUSED254", "UNUSED255"
};
typedef struct duk__dprint_state duk__dprint_state;
@@ -36047,7 +38560,7 @@ DUK_LOCAL void duk__print_shared_heaphdr(duk__dprint_state *st, duk_heaphdr *h)
duk_fb_put_byte(fb, (duk_uint8_t) DUK_ASC_RBRACKET);
}
-#ifdef DUK_USE_REFERENCE_COUNTING /* currently implicitly also DUK_USE_DOUBLE_LINKED_HEAP */
+#if defined(DUK_USE_REFERENCE_COUNTING) /* currently implicitly also DUK_USE_DOUBLE_LINKED_HEAP */
if (st->heavy) {
duk_fb_sprintf(fb, "[h_next=%p,h_prev=%p,h_refcount=%lu,h_flags=%08lx,type=%ld,"
"reachable=%ld,temproot=%ld,finalizable=%ld,finalized=%ld]",
@@ -36095,7 +38608,7 @@ DUK_LOCAL void duk__print_shared_heaphdr_string(duk__dprint_state *st, duk_heaph
duk_fb_put_byte(fb, (duk_uint8_t) DUK_ASC_RBRACKET);
}
-#ifdef DUK_USE_REFERENCE_COUNTING
+#if defined(DUK_USE_REFERENCE_COUNTING)
if (st->heavy) {
duk_fb_sprintf(fb, "[h_refcount=%lu,h_flags=%08lx,type=%ld,reachable=%ld,temproot=%ld,finalizable=%ld,finalized=%ld]",
(unsigned long) DUK_HEAPHDR_GET_REFCOUNT((duk_heaphdr *) h),
@@ -36173,15 +38686,12 @@ DUK_LOCAL void duk__print_hstring(duk__dprint_state *st, duk_hstring *h, duk_boo
if (quotes) {
duk_fb_put_byte(fb, (duk_uint8_t) DUK_ASC_DOUBLEQUOTE);
}
-#ifdef DUK_USE_REFERENCE_COUNTING
+#if defined(DUK_USE_REFERENCE_COUNTING)
/* XXX: limit to quoted strings only, to save keys from being cluttered? */
duk_fb_sprintf(fb, "/%lu", (unsigned long) DUK_HEAPHDR_GET_REFCOUNT(&h->hdr));
#endif
}
-#ifdef DUK__COMMA
-#undef DUK__COMMA
-#endif
#define DUK__COMMA() do { \
if (first) { \
first = 0; \
@@ -36217,15 +38727,20 @@ DUK_LOCAL void duk__print_hobject(duk__dprint_state *st, duk_hobject *h) {
}
if (st->depth >= st->depth_limit) {
- if (DUK_HOBJECT_IS_COMPILEDFUNCTION(h)) {
- duk_fb_sprintf(fb, "%sobject/compiledfunction %p%s", (const char *) brace1, (void *) h, (const char *) brace2);
- } else if (DUK_HOBJECT_IS_NATIVEFUNCTION(h)) {
- duk_fb_sprintf(fb, "%sobject/nativefunction %p%s", (const char *) brace1, (void *) h, (const char *) brace2);
+ const char *subtype = "generic";
+
+ if (DUK_HOBJECT_IS_COMPFUNC(h)) {
+ subtype = "compfunc";
+ } else if (DUK_HOBJECT_IS_NATFUNC(h)) {
+ subtype = "natfunc";
} else if (DUK_HOBJECT_IS_THREAD(h)) {
- duk_fb_sprintf(fb, "%sobject/thread %p%s", (const char *) brace1, (void *) h, (const char *) brace2);
- } else {
- duk_fb_sprintf(fb, "%sobject %p%s", (const char *) brace1, (void *) h, (const char *) brace2); /* may be NULL */
+ subtype = "thread";
+ } else if (DUK_HOBJECT_IS_BUFOBJ(h)) {
+ subtype = "bufobj";
+ } else if (DUK_HOBJECT_IS_ARRAY(h)) {
+ subtype = "array";
}
+ duk_fb_sprintf(fb, "%sobject/%s %p%s", (const char *) brace1, subtype, (void *) h, (const char *) brace2);
return;
}
@@ -36283,10 +38798,7 @@ DUK_LOCAL void duk__print_hobject(duk__dprint_state *st, duk_hobject *h) {
if (!key) {
continue;
}
- if (!st->internal &&
- DUK_HSTRING_GET_BYTELEN(key) > 0 &&
- DUK_HSTRING_GET_DATA(key)[0] == 0xff) {
- /* XXX: use DUK_HSTRING_FLAG_INTERNAL? */
+ if (!st->internal && DUK_HSTRING_HAS_HIDDEN(key)) {
continue;
}
DUK__COMMA();
@@ -36308,99 +38820,76 @@ DUK_LOCAL void duk__print_hobject(duk__dprint_state *st, duk_hobject *h) {
if (st->internal) {
if (DUK_HOBJECT_HAS_EXTENSIBLE(h)) {
DUK__COMMA(); duk_fb_sprintf(fb, "__extensible:true");
- } else {
- ;
}
if (DUK_HOBJECT_HAS_CONSTRUCTABLE(h)) {
DUK__COMMA(); duk_fb_sprintf(fb, "__constructable:true");
- } else {
- ;
}
- if (DUK_HOBJECT_HAS_BOUND(h)) {
- DUK__COMMA(); duk_fb_sprintf(fb, "__bound:true");
- } else {
- ;
+ if (DUK_HOBJECT_HAS_BOUNDFUNC(h)) {
+ DUK__COMMA(); duk_fb_sprintf(fb, "__boundfunc:true");
}
- if (DUK_HOBJECT_HAS_COMPILEDFUNCTION(h)) {
- DUK__COMMA(); duk_fb_sprintf(fb, "__compiledfunction:true");
- } else {
- ;
+ if (DUK_HOBJECT_HAS_COMPFUNC(h)) {
+ DUK__COMMA(); duk_fb_sprintf(fb, "__compfunc:true");
}
- if (DUK_HOBJECT_HAS_NATIVEFUNCTION(h)) {
- DUK__COMMA(); duk_fb_sprintf(fb, "__nativefunction:true");
- } else {
- ;
+ if (DUK_HOBJECT_HAS_NATFUNC(h)) {
+ DUK__COMMA(); duk_fb_sprintf(fb, "__natfunc:true");
+ }
+ if (DUK_HOBJECT_HAS_BUFOBJ(h)) {
+ DUK__COMMA(); duk_fb_sprintf(fb, "__bufobj:true");
}
if (DUK_HOBJECT_HAS_THREAD(h)) {
DUK__COMMA(); duk_fb_sprintf(fb, "__thread:true");
- } else {
- ;
}
if (DUK_HOBJECT_HAS_ARRAY_PART(h)) {
DUK__COMMA(); duk_fb_sprintf(fb, "__array_part:true");
- } else {
- ;
}
if (DUK_HOBJECT_HAS_STRICT(h)) {
DUK__COMMA(); duk_fb_sprintf(fb, "__strict:true");
- } else {
- ;
+ }
+ if (DUK_HOBJECT_HAS_NOTAIL(h)) {
+ DUK__COMMA(); duk_fb_sprintf(fb, "__notail:true");
}
if (DUK_HOBJECT_HAS_NEWENV(h)) {
DUK__COMMA(); duk_fb_sprintf(fb, "__newenv:true");
- } else {
- ;
}
if (DUK_HOBJECT_HAS_NAMEBINDING(h)) {
DUK__COMMA(); duk_fb_sprintf(fb, "__namebinding:true");
- } else {
- ;
}
if (DUK_HOBJECT_HAS_CREATEARGS(h)) {
DUK__COMMA(); duk_fb_sprintf(fb, "__createargs:true");
- } else {
- ;
}
if (DUK_HOBJECT_HAS_ENVRECCLOSED(h)) {
DUK__COMMA(); duk_fb_sprintf(fb, "__envrecclosed:true");
- } else {
- ;
}
if (DUK_HOBJECT_HAS_EXOTIC_ARRAY(h)) {
DUK__COMMA(); duk_fb_sprintf(fb, "__exotic_array:true");
- } else {
- ;
}
if (DUK_HOBJECT_HAS_EXOTIC_STRINGOBJ(h)) {
DUK__COMMA(); duk_fb_sprintf(fb, "__exotic_stringobj:true");
- } else {
- ;
}
if (DUK_HOBJECT_HAS_EXOTIC_ARGUMENTS(h)) {
DUK__COMMA(); duk_fb_sprintf(fb, "__exotic_arguments:true");
- } else {
- ;
}
if (DUK_HOBJECT_HAS_EXOTIC_DUKFUNC(h)) {
DUK__COMMA(); duk_fb_sprintf(fb, "__exotic_dukfunc:true");
- } else {
- ;
}
- if (DUK_HOBJECT_IS_BUFFEROBJECT(h)) {
- DUK__COMMA(); duk_fb_sprintf(fb, "__exotic_bufferobj:true");
- } else {
- ;
+ if (DUK_HOBJECT_IS_BUFOBJ(h)) {
+ DUK__COMMA(); duk_fb_sprintf(fb, "__exotic_bufobj:true");
}
if (DUK_HOBJECT_HAS_EXOTIC_PROXYOBJ(h)) {
DUK__COMMA(); duk_fb_sprintf(fb, "__exotic_proxyobj:true");
- } else {
- ;
}
}
- if (st->internal && DUK_HOBJECT_IS_COMPILEDFUNCTION(h)) {
- duk_hcompiledfunction *f = (duk_hcompiledfunction *) h;
+
+ if (st->internal && DUK_HOBJECT_IS_ARRAY(h)) {
+ duk_harray *a = (duk_harray *) h;
+ DUK__COMMA(); duk_fb_sprintf(fb, "__length:%ld", (long) a->length);
+ DUK__COMMA(); duk_fb_sprintf(fb, "__length_nonwritable:%ld", (long) a->length_nonwritable);
+ } else if (st->internal && DUK_HOBJECT_IS_COMPFUNC(h)) {
+ duk_hcompfunc *f = (duk_hcompfunc *) h;
DUK__COMMA(); duk_fb_put_cstring(fb, "__data:");
- duk__print_hbuffer(st, (duk_hbuffer *) DUK_HCOMPILEDFUNCTION_GET_DATA(NULL, f));
+ duk__print_hbuffer(st, (duk_hbuffer *) DUK_HCOMPFUNC_GET_DATA(NULL, f));
+ DUK__COMMA(); duk_fb_put_cstring(fb, "__lexenv:"); duk__print_hobject(st, DUK_HCOMPFUNC_GET_LEXENV(NULL, f));
+ DUK__COMMA(); duk_fb_put_cstring(fb, "__varenv:"); duk__print_hobject(st, DUK_HCOMPFUNC_GET_VARENV(NULL, f));
DUK__COMMA(); duk_fb_sprintf(fb, "__nregs:%ld", (long) f->nregs);
DUK__COMMA(); duk_fb_sprintf(fb, "__nargs:%ld", (long) f->nargs);
#if defined(DUK_USE_DEBUGGER_SUPPORT)
@@ -36408,21 +38897,25 @@ DUK_LOCAL void duk__print_hobject(duk__dprint_state *st, duk_hobject *h) {
DUK__COMMA(); duk_fb_sprintf(fb, "__end_line:%ld", (long) f->end_line);
#endif
DUK__COMMA(); duk_fb_put_cstring(fb, "__data:");
- duk__print_hbuffer(st, (duk_hbuffer *) DUK_HCOMPILEDFUNCTION_GET_DATA(NULL, f));
- } else if (st->internal && DUK_HOBJECT_IS_NATIVEFUNCTION(h)) {
- duk_hnativefunction *f = (duk_hnativefunction *) h;
+ duk__print_hbuffer(st, (duk_hbuffer *) DUK_HCOMPFUNC_GET_DATA(NULL, f));
+ } else if (st->internal && DUK_HOBJECT_IS_NATFUNC(h)) {
+ duk_hnatfunc *f = (duk_hnatfunc *) h;
DUK__COMMA(); duk_fb_sprintf(fb, "__func:");
duk_fb_put_funcptr(fb, (duk_uint8_t *) &f->func, sizeof(f->func));
DUK__COMMA(); duk_fb_sprintf(fb, "__nargs:%ld", (long) f->nargs);
DUK__COMMA(); duk_fb_sprintf(fb, "__magic:%ld", (long) f->magic);
- } else if (st->internal && DUK_HOBJECT_IS_BUFFEROBJECT(h)) {
- duk_hbufferobject *b = (duk_hbufferobject *) h;
+#if defined(DUK_USE_BUFFEROBJECT_SUPPORT)
+ } else if (st->internal && DUK_HOBJECT_IS_BUFOBJ(h)) {
+ duk_hbufobj *b = (duk_hbufobj *) h;
DUK__COMMA(); duk_fb_sprintf(fb, "__buf:");
duk__print_hbuffer(st, (duk_hbuffer *) b->buf);
+ DUK__COMMA(); duk_fb_sprintf(fb, "__buf_prop:");
+ duk__print_hobject(st, (duk_hobject *) b->buf_prop);
DUK__COMMA(); duk_fb_sprintf(fb, "__offset:%ld", (long) b->offset);
DUK__COMMA(); duk_fb_sprintf(fb, "__length:%ld", (long) b->length);
DUK__COMMA(); duk_fb_sprintf(fb, "__shift:%ld", (long) b->shift);
DUK__COMMA(); duk_fb_sprintf(fb, "__elemtype:%ld", (long) b->elem_type);
+#endif
} else if (st->internal && DUK_HOBJECT_IS_THREAD(h)) {
duk_hthread *t = (duk_hthread *) h;
DUK__COMMA(); duk_fb_sprintf(fb, "__strict:%ld", (long) t->strict);
@@ -36443,7 +38936,7 @@ DUK_LOCAL void duk__print_hobject(duk__dprint_state *st, duk_hobject *h) {
/* XXX: print built-ins array? */
}
-#ifdef DUK_USE_REFERENCE_COUNTING
+#if defined(DUK_USE_REFERENCE_COUNTING)
if (st->internal) {
DUK__COMMA(); duk_fb_sprintf(fb, "__refcount:%lu", (unsigned long) DUK_HEAPHDR_GET_REFCOUNT((duk_heaphdr *) h));
}
@@ -36493,8 +38986,6 @@ DUK_LOCAL void duk__print_hobject(duk__dprint_state *st, duk_hobject *h) {
}
}
-#undef DUK__COMMA
-
DUK_LOCAL void duk__print_hbuffer(duk__dprint_state *st, duk_hbuffer *h) {
duk_fixedbuffer *fb = st->fb;
duk_size_t i, n;
@@ -36527,7 +39018,7 @@ DUK_LOCAL void duk__print_hbuffer(duk__dprint_state *st, duk_hbuffer *h) {
duk_fb_sprintf(fb, "buffer:fixed:%ld", (long) DUK_HBUFFER_GET_SIZE(h));
}
-#ifdef DUK_USE_REFERENCE_COUNTING
+#if defined(DUK_USE_REFERENCE_COUNTING)
duk_fb_sprintf(fb, "/%lu", (unsigned long) DUK_HEAPHDR_GET_REFCOUNT(&h->hdr));
#endif
@@ -36664,19 +39155,13 @@ DUK_LOCAL void duk__print_instr(duk__dprint_state *st, duk_instr_t ins) {
duk_fixedbuffer *fb = st->fb;
duk_small_int_t op;
const char *op_name;
- const char *extraop_name;
op = (duk_small_int_t) DUK_DEC_OP(ins);
op_name = duk__bc_optab[op];
/* XXX: option to fix opcode length so it lines up nicely */
- if (op == DUK_OP_EXTRA) {
- extraop_name = duk__bc_extraoptab[DUK_DEC_A(ins)];
-
- duk_fb_sprintf(fb, "%s %ld, %ld",
- (const char *) extraop_name, (long) DUK_DEC_B(ins), (long) DUK_DEC_C(ins));
- } else if (op == DUK_OP_JUMP) {
+ if (op == DUK_OP_JUMP) {
duk_int_t diff1 = DUK_DEC_ABC(ins) - DUK_BC_JUMP_BIAS; /* from next pc */
duk_int_t diff2 = diff1 + 1; /* from curr pc */
@@ -36915,7 +39400,7 @@ DUK_INTERNAL void duk_debug_format_funcptr(char *buf, duk_size_t buf_size, duk_u
}
/* Quite approximate but should be useful for little and big endian. */
-#ifdef DUK_USE_INTEGER_BE
+#if defined(DUK_USE_INTEGER_BE)
ch = fptr[i];
#else
ch = fptr[fptr_size - 1 - i];
@@ -36925,12 +39410,18 @@ DUK_INTERNAL void duk_debug_format_funcptr(char *buf, duk_size_t buf_size, duk_u
}
#endif /* DUK_USE_DEBUG */
-#line 1 "duk_debugger.c"
+
+/* automatic undefs */
+#undef DUK__ALLOWED_STANDARD_SPECIFIERS
+#undef DUK__COMMA
+#undef DUK__DEEP_DEPTH_LIMIT
+#undef DUK__LOOP_STACK_DEPTH
+#undef DUK__MAX_FORMAT_TAG_LENGTH
/*
* Duktape debugger
*/
-/* include removed: duk_internal.h */
+/* #include duk_internal.h -> already included */
#if defined(DUK_USE_DEBUGGER_SUPPORT)
@@ -36994,7 +39485,7 @@ DUK_LOCAL void duk__debug_do_detach1(duk_heap *heap, duk_int_t reason) {
/* heap->dbg_detached_cb: keep */
/* heap->dbg_udata: keep */
/* heap->dbg_processing: keep on purpose to avoid debugger re-entry in detaching state */
- heap->dbg_paused = 0;
+ DUK_HEAP_CLEAR_DEBUGGER_PAUSED(heap);
heap->dbg_state_dirty = 0;
heap->dbg_force_restart = 0;
heap->dbg_step_type = 0;
@@ -37016,6 +39507,12 @@ DUK_LOCAL void duk__debug_do_detach1(duk_heap *heap, duk_int_t reason) {
DUK_LOCAL void duk__debug_do_detach2(duk_heap *heap) {
duk_debug_detached_function detached_cb;
void *detached_udata;
+ duk_hthread *thr;
+ duk_context *ctx;
+
+ thr = heap->heap_thread;
+ DUK_ASSERT(thr != NULL);
+ ctx = (duk_context *) thr;
/* Safe to call multiple times. */
@@ -37030,7 +39527,7 @@ DUK_LOCAL void duk__debug_do_detach2(duk_heap *heap) {
* inside the callback.
*/
DUK_D(DUK_DPRINT("detached during message loop, delayed call to detached_cb"));
- detached_cb(detached_udata);
+ detached_cb(ctx, detached_udata);
}
heap->dbg_detaching = 0;
@@ -37274,10 +39771,10 @@ DUK_LOCAL duk_hstring *duk__debug_read_hstring_raw(duk_hthread *thr, duk_uint32_
duk_debug_read_bytes(thr, buf, (duk_size_t) len);
duk_push_lstring(ctx, (const char *) buf, (duk_size_t) len);
} else {
- p = (duk_uint8_t *) duk_push_fixed_buffer(ctx, (duk_size_t) len);
+ p = (duk_uint8_t *) duk_push_fixed_buffer(ctx, (duk_size_t) len); /* zero for paranoia */
DUK_ASSERT(p != NULL);
duk_debug_read_bytes(thr, p, (duk_size_t) len);
- duk_to_string(ctx, -1);
+ (void) duk_buffer_to_string(ctx, -1); /* Safety relies on debug client, which is OK. */
}
return duk_require_hstring(ctx, -1);
@@ -37307,7 +39804,7 @@ DUK_INTERNAL duk_hstring *duk_debug_read_hstring(duk_hthread *thr) {
fail:
DUK_D(DUK_DPRINT("debug connection error: failed to decode int"));
DUK__SET_CONN_BROKEN(thr, 1);
- duk_push_hstring_stridx(thr, DUK_STRIDX_EMPTY_STRING); /* always push some string */
+ duk_push_hstring_empty(ctx); /* always push some string */
return duk_require_hstring(ctx, -1);
}
@@ -37315,7 +39812,7 @@ DUK_LOCAL duk_hbuffer *duk__debug_read_hbuffer_raw(duk_hthread *thr, duk_uint32_
duk_context *ctx = (duk_context *) thr;
duk_uint8_t *p;
- p = (duk_uint8_t *) duk_push_fixed_buffer(ctx, (duk_size_t) len);
+ p = (duk_uint8_t *) duk_push_fixed_buffer(ctx, (duk_size_t) len); /* zero for paranoia */
DUK_ASSERT(p != NULL);
duk_debug_read_bytes(thr, p, (duk_size_t) len);
@@ -37923,7 +40420,7 @@ DUK_INTERNAL void duk_debug_send_status(duk_hthread *thr) {
duk_activation *act;
duk_debug_write_notify(thr, DUK_DBG_CMD_STATUS);
- duk_debug_write_int(thr, thr->heap->dbg_paused);
+ duk_debug_write_int(thr, (DUK_HEAP_HAS_DEBUGGER_PAUSED(thr->heap) ? 1 : 0));
DUK_ASSERT_DISABLE(thr->callstack_top >= 0); /* unsigned */
if (thr->callstack_top == 0) {
@@ -37941,6 +40438,7 @@ DUK_INTERNAL void duk_debug_send_status(duk_hthread *thr) {
duk_pop_3(ctx);
/* Report next pc/line to be executed. */
duk_debug_write_uint(thr, (duk_uint32_t) duk_debug_curr_line(thr));
+ act = thr->callstack + thr->callstack_top - 1;
duk_debug_write_uint(thr, (duk_uint32_t) duk_hthread_get_act_curr_pc(thr, act));
}
@@ -37963,28 +40461,39 @@ DUK_INTERNAL void duk_debug_send_throw(duk_hthread *thr, duk_bool_t fatal) {
duk_debug_write_int(thr, fatal);
/* Report thrown value to client coerced to string */
- duk_dup(ctx, -1);
+ duk_dup_top(ctx);
duk__debug_write_hstring_safe_top(thr);
duk_pop(ctx);
if (duk_is_error(ctx, -1)) {
/* Error instance, use augmented error data directly */
- duk_get_prop_stridx(ctx, -1, DUK_STRIDX_FILE_NAME);
+ duk_get_prop_stridx_short(ctx, -1, DUK_STRIDX_FILE_NAME);
duk__debug_write_hstring_safe_top(thr);
- duk_get_prop_stridx(ctx, -2, DUK_STRIDX_LINE_NUMBER);
+ duk_get_prop_stridx_short(ctx, -2, DUK_STRIDX_LINE_NUMBER);
duk_debug_write_uint(thr, duk_get_uint(ctx, -1));
+ duk_pop_2(ctx);
} else {
- /* For anything other than an Error instance, we calculate the error
- * location directly from the current activation.
+ /* For anything other than an Error instance, we calculate the
+ * error location directly from the current activation if one
+ * exists.
*/
- act = thr->callstack + thr->callstack_top - 1;
- duk_push_tval(ctx, &act->tv_func);
- duk_get_prop_string(ctx, -1, "fileName");
- duk__debug_write_hstring_safe_top(thr);
- pc = duk_hthread_get_act_prev_pc(thr, act);
- duk_debug_write_uint(thr, (duk_uint32_t) duk_hobject_pc2line_query(ctx, -2, pc));
+ if (thr->callstack_top > 0) {
+ act = thr->callstack + thr->callstack_top - 1;
+ duk_push_tval(ctx, &act->tv_func);
+ duk_get_prop_string(ctx, -1, "fileName");
+ duk__debug_write_hstring_safe_top(thr);
+ act = thr->callstack + thr->callstack_top - 1;
+ pc = duk_hthread_get_act_prev_pc(thr, act);
+ duk_debug_write_uint(thr, (duk_uint32_t) duk_hobject_pc2line_query(ctx, -2, pc));
+ duk_pop_2(ctx);
+ } else {
+ /* Can happen if duk_throw() is called on an empty
+ * callstack.
+ */
+ duk_debug_write_cstring(thr, "");
+ duk_debug_write_uint(thr, 0);
+ }
}
- duk_pop_2(ctx); /* shared pop */
duk_debug_write_eom(thr);
}
@@ -38077,6 +40586,16 @@ DUK_LOCAL void duk__debug_skip_to_eom(duk_hthread *thr) {
}
}
+DUK_LOCAL duk_int32_t duk__debug_read_validate_csindex(duk_hthread *thr) {
+ duk_int32_t level;
+ level = duk_debug_read_int(thr);
+ if (level >= 0 || -level > (duk_int32_t) thr->callstack_top) {
+ duk_debug_write_error_eom(thr, DUK_DBG_ERR_NOTFOUND, "invalid callstack index");
+ return 0; /* zero indicates failure */
+ }
+ return level;
+}
+
/*
* Simple commands
*/
@@ -38144,7 +40663,7 @@ DUK_LOCAL void duk__debug_handle_step(duk_hthread *thr, duk_heap *heap, duk_int3
line = duk_debug_curr_line(thr);
if (line > 0) {
- heap->dbg_paused = 0;
+ DUK_HEAP_CLEAR_DEBUGGER_PAUSED(heap);
heap->dbg_step_type = step_type;
heap->dbg_step_thread = thr;
heap->dbg_step_csindex = thr->callstack_top - 1;
@@ -38213,18 +40732,12 @@ DUK_LOCAL void duk__debug_handle_get_var(duk_hthread *thr, duk_heap *heap) {
DUK_UNREF(heap);
DUK_D(DUK_DPRINT("debug command GetVar"));
+ level = duk__debug_read_validate_csindex(thr);
+ if (level == 0) {
+ return;
+ }
str = duk_debug_read_hstring(thr); /* push to stack */
DUK_ASSERT(str != NULL);
- if (duk_debug_peek_byte(thr) != DUK_DBG_IB_EOM) {
- level = duk_debug_read_int(thr); /* optional callstack level */
- if (level >= 0 || -level > (duk_int32_t) thr->callstack_top) {
- DUK_D(DUK_DPRINT("invalid callstack level for GetVar"));
- duk_debug_write_error_eom(thr, DUK_DBG_ERR_NOTFOUND, "invalid callstack level");
- return;
- }
- } else {
- level = -1;
- }
if (thr->callstack_top > 0) {
rc = duk_js_getvar_activation(thr,
@@ -38260,6 +40773,10 @@ DUK_LOCAL void duk__debug_handle_put_var(duk_hthread *thr, duk_heap *heap) {
DUK_UNREF(heap);
DUK_D(DUK_DPRINT("debug command PutVar"));
+ level = duk__debug_read_validate_csindex(thr);
+ if (level == 0) {
+ return;
+ }
str = duk_debug_read_hstring(thr); /* push to stack */
DUK_ASSERT(str != NULL);
tv = duk_debug_read_tval(thr);
@@ -38267,16 +40784,6 @@ DUK_LOCAL void duk__debug_handle_put_var(duk_hthread *thr, duk_heap *heap) {
/* detached */
return;
}
- if (duk_debug_peek_byte(thr) != DUK_DBG_IB_EOM) {
- level = duk_debug_read_int(thr); /* optional callstack level */
- if (level >= 0 || -level > (duk_int32_t) thr->callstack_top) {
- DUK_D(DUK_DPRINT("invalid callstack level for PutVar"));
- duk_debug_write_error_eom(thr, DUK_DBG_ERR_NOTFOUND, "invalid callstack level");
- return;
- }
- } else {
- level = -1;
- }
if (thr->callstack_top > 0) {
duk_js_putvar_activation(thr,
@@ -38327,9 +40834,9 @@ DUK_LOCAL void duk__debug_handle_get_call_stack(duk_hthread *thr, duk_heap *heap
* value stack operations.
*/
duk_push_tval(ctx, &curr_act->tv_func);
- duk_get_prop_stridx(ctx, -1, DUK_STRIDX_FILE_NAME);
+ duk_get_prop_stridx_short(ctx, -1, DUK_STRIDX_FILE_NAME);
duk__debug_write_hstring_safe_top(thr);
- duk_get_prop_stridx(ctx, -2, DUK_STRIDX_NAME);
+ duk_get_prop_stridx_short(ctx, -2, DUK_STRIDX_NAME);
duk__debug_write_hstring_safe_top(thr);
pc = duk_hthread_get_act_curr_pc(thr, curr_act);
if (i != curr_thr->callstack_top - 1 && pc > 0) {
@@ -38356,21 +40863,11 @@ DUK_LOCAL void duk__debug_handle_get_locals(duk_hthread *thr, duk_heap *heap) {
DUK_UNREF(heap);
- if (duk_debug_peek_byte(thr) != DUK_DBG_IB_EOM) {
- level = duk_debug_read_int(thr); /* optional callstack level */
- if (level >= 0 || -level > (duk_int32_t) thr->callstack_top) {
- DUK_D(DUK_DPRINT("invalid callstack level for GetLocals"));
- duk_debug_write_error_eom(thr, DUK_DBG_ERR_NOTFOUND, "invalid callstack level");
- return;
- }
- duk_debug_write_reply(thr);
- } else {
- duk_debug_write_reply(thr);
- if (thr->callstack_top == 0) {
- goto callstack_empty;
- }
- level = -1;
+ level = duk__debug_read_validate_csindex(thr);
+ if (level == 0) {
+ return;
}
+ duk_debug_write_reply(thr);
curr_act = thr->callstack + thr->callstack_top + level;
@@ -38381,12 +40878,11 @@ DUK_LOCAL void duk__debug_handle_get_locals(duk_hthread *thr, duk_heap *heap) {
*/
duk_push_tval(ctx, &curr_act->tv_func);
- duk_get_prop_stridx(ctx, -1, DUK_STRIDX_INT_VARMAP);
+ duk_get_prop_stridx_short(ctx, -1, DUK_STRIDX_INT_VARMAP);
if (duk_is_object(ctx, -1)) {
duk_enum(ctx, -1, 0 /*enum_flags*/);
while (duk_next(ctx, -1 /*enum_index*/, 0 /*get_value*/)) {
- varname = duk_get_hstring(ctx, -1);
- DUK_ASSERT(varname != NULL);
+ varname = duk_known_hstring(ctx, -1);
duk_js_getvar_activation(thr, curr_act, varname, 0 /*throw_flag*/);
/* [ ... func varmap enum key value this ] */
@@ -38398,7 +40894,6 @@ DUK_LOCAL void duk__debug_handle_get_locals(duk_hthread *thr, duk_heap *heap) {
DUK_D(DUK_DPRINT("varmap is not an object in GetLocals, ignore"));
}
- callstack_empty:
duk_debug_write_eom(thr);
}
@@ -38407,6 +40902,8 @@ DUK_LOCAL void duk__debug_handle_eval(duk_hthread *thr, duk_heap *heap) {
duk_small_uint_t call_flags;
duk_int_t call_ret;
duk_small_int_t eval_err;
+ duk_int_t num_eval_args;
+ duk_bool_t direct_eval;
duk_int32_t level;
DUK_UNREF(heap);
@@ -38417,39 +40914,47 @@ DUK_LOCAL void duk__debug_handle_eval(duk_hthread *thr, duk_heap *heap) {
* activation. For now, use global object eval() function, with the eval
* considered a 'direct call to eval'.
*
- * Callstack level for debug commands only affects scope -- the callstack
+ * Callstack index for debug commands only affects scope -- the callstack
* as seen by, e.g. Duktape.act() will be the same regardless.
*/
- /* nargs == 2 so we can pass a callstack level to eval(). */
+ /* nargs == 2 so we can pass a callstack index to eval(). */
duk_push_c_function(ctx, duk_bi_global_object_eval, 2 /*nargs*/);
duk_push_undefined(ctx); /* 'this' binding shouldn't matter here */
- (void) duk_debug_read_hstring(thr);
- if (duk_debug_peek_byte(thr) != DUK_DBG_IB_EOM) {
- level = duk_debug_read_int(thr); /* optional callstack level */
- if (level >= 0 || -level > (duk_int32_t) thr->callstack_top) {
- DUK_D(DUK_DPRINT("invalid callstack level for Eval"));
- duk_debug_write_error_eom(thr, DUK_DBG_ERR_NOTFOUND, "invalid callstack level");
+ /* Read callstack index, if non-null. */
+ if (duk_debug_peek_byte(thr) == DUK_DBG_IB_NULL) {
+ direct_eval = 0;
+ (void) duk_debug_read_byte(thr);
+ } else {
+ direct_eval = 1;
+ level = duk__debug_read_validate_csindex(thr);
+ if (level == 0) {
return;
}
}
- else {
- level = -1;
+
+ DUK_ASSERT(!direct_eval ||
+ (level < 0 && -level <= (duk_int32_t) thr->callstack_top));
+
+ (void) duk_debug_read_hstring(thr);
+ if (direct_eval) {
+ num_eval_args = 2;
+ duk_push_int(ctx, level - 1); /* compensate for eval() call */
+ } else {
+ num_eval_args = 1;
}
- DUK_ASSERT(level < 0 && -level <= (duk_int32_t) thr->callstack_top);
- duk_push_int(ctx, level - 1); /* compensate for eval() call */
/* [ ... eval "eval" eval_input level ] */
call_flags = 0;
- if (thr->callstack_top >= (duk_size_t) -level) {
+ if (direct_eval && thr->callstack_top >= (duk_size_t) -level) {
duk_activation *act;
duk_hobject *fun;
act = thr->callstack + thr->callstack_top + level;
fun = DUK_ACT_GET_FUNC(act);
- if (fun != NULL && DUK_HOBJECT_IS_COMPILEDFUNCTION(fun)) {
+ if (fun != NULL && DUK_HOBJECT_IS_COMPFUNC(fun)) {
/* Direct eval requires that there's a current
* activation and it is an Ecmascript function.
* When Eval is executed from e.g. cooperate API
@@ -38459,7 +40964,7 @@ DUK_LOCAL void duk__debug_handle_eval(duk_hthread *thr, duk_heap *heap) {
}
}
- call_ret = duk_handle_call_protected(thr, 2 /*num_stack_args*/, call_flags);
+ call_ret = duk_handle_call_protected(thr, num_eval_args, call_flags);
if (call_ret == DUK_EXEC_SUCCESS) {
eval_err = 0;
@@ -38744,7 +41249,7 @@ DUK_LOCAL void duk__debug_handle_dump_heap(duk_hthread *thr, duk_heap *heap) {
DUK_LOCAL void duk__debug_handle_get_bytecode(duk_hthread *thr, duk_heap *heap) {
duk_activation *act;
- duk_hcompiledfunction *fun = NULL;
+ duk_hcompfunc *fun = NULL;
duk_size_t i, n;
duk_tval *tv;
duk_hobject **fn;
@@ -38764,7 +41269,7 @@ DUK_LOCAL void duk__debug_handle_get_bytecode(duk_hthread *thr, duk_heap *heap)
}
if (DUK_TVAL_IS_OBJECT(tv)) {
/* tentative, checked later */
- fun = (duk_hcompiledfunction *) DUK_TVAL_GET_OBJECT(tv);
+ fun = (duk_hcompfunc *) DUK_TVAL_GET_OBJECT(tv);
DUK_ASSERT(fun != NULL);
} else if (DUK_TVAL_IS_NUMBER(tv)) {
level = (duk_int32_t) DUK_TVAL_GET_NUMBER(tv);
@@ -38776,37 +41281,37 @@ DUK_LOCAL void duk__debug_handle_get_bytecode(duk_hthread *thr, duk_heap *heap)
if (fun == NULL) {
if (level >= 0 || -level > (duk_int32_t) thr->callstack_top) {
- DUK_D(DUK_DPRINT("invalid callstack level for GetBytecode"));
- goto fail_level;
+ DUK_D(DUK_DPRINT("invalid callstack index for GetBytecode"));
+ goto fail_index;
}
act = thr->callstack + thr->callstack_top + level;
- fun = (duk_hcompiledfunction *) DUK_ACT_GET_FUNC(act);
+ fun = (duk_hcompfunc *) DUK_ACT_GET_FUNC(act);
}
- if (fun == NULL || !DUK_HOBJECT_IS_COMPILEDFUNCTION((duk_hobject *) fun)) {
+ if (fun == NULL || !DUK_HOBJECT_IS_COMPFUNC((duk_hobject *) fun)) {
DUK_D(DUK_DPRINT("invalid argument to GetBytecode: %!O", fun));
goto fail_args;
}
- DUK_ASSERT(fun != NULL && DUK_HOBJECT_IS_COMPILEDFUNCTION((duk_hobject *) fun));
+ DUK_ASSERT(fun != NULL && DUK_HOBJECT_IS_COMPFUNC((duk_hobject *) fun));
duk_debug_write_reply(thr);
- n = DUK_HCOMPILEDFUNCTION_GET_CONSTS_COUNT(heap, fun);
+ n = DUK_HCOMPFUNC_GET_CONSTS_COUNT(heap, fun);
duk_debug_write_int(thr, (duk_int32_t) n);
- tv = DUK_HCOMPILEDFUNCTION_GET_CONSTS_BASE(heap, fun);
+ tv = DUK_HCOMPFUNC_GET_CONSTS_BASE(heap, fun);
for (i = 0; i < n; i++) {
duk_debug_write_tval(thr, tv);
tv++;
}
- n = DUK_HCOMPILEDFUNCTION_GET_FUNCS_COUNT(heap, fun);
+ n = DUK_HCOMPFUNC_GET_FUNCS_COUNT(heap, fun);
duk_debug_write_int(thr, (duk_int32_t) n);
- fn = DUK_HCOMPILEDFUNCTION_GET_FUNCS_BASE(heap, fun);
+ fn = DUK_HCOMPFUNC_GET_FUNCS_BASE(heap, fun);
for (i = 0; i < n; i++) {
duk_debug_write_hobject(thr, *fn);
fn++;
}
duk_debug_write_string(thr,
- (const char *) DUK_HCOMPILEDFUNCTION_GET_CODE_BASE(heap, fun),
- (duk_size_t) DUK_HCOMPILEDFUNCTION_GET_CODE_SIZE(heap, fun));
+ (const char *) DUK_HCOMPFUNC_GET_CODE_BASE(heap, fun),
+ (duk_size_t) DUK_HCOMPFUNC_GET_CODE_SIZE(heap, fun));
duk_debug_write_eom(thr);
return;
@@ -38814,8 +41319,8 @@ DUK_LOCAL void duk__debug_handle_get_bytecode(duk_hthread *thr, duk_heap *heap)
duk_debug_write_error_eom(thr, DUK_DBG_ERR_UNKNOWN, "invalid argument");
return;
- fail_level:
- duk_debug_write_error_eom(thr, DUK_DBG_ERR_NOTFOUND, "invalid callstack level");
+ fail_index:
+ duk_debug_write_error_eom(thr, DUK_DBG_ERR_NOTFOUND, "invalid callstack index");
return;
}
@@ -38847,7 +41352,8 @@ DUK_LOCAL duk_uint_t duk__debug_getinfo_heaphdr_masks[] = {
DUK_LOCAL const char * const duk__debug_getinfo_hstring_keys[] = {
#if 0
"arridx",
- "internal",
+ "symbol",
+ "hidden",
"reserved_word",
"strict_reserved_word",
"eval_or_arguments",
@@ -38858,7 +41364,8 @@ DUK_LOCAL const char * const duk__debug_getinfo_hstring_keys[] = {
DUK_LOCAL duk_uint_t duk__debug_getinfo_hstring_masks[] = {
#if 0
DUK_HSTRING_FLAG_ARRIDX,
- DUK_HSTRING_FLAG_INTERNAL,
+ DUK_HSTRING_FLAG_SYMBOL,
+ DUK_HSTRING_FLAG_HIDDEN,
DUK_HSTRING_FLAG_RESERVED_WORD,
DUK_HSTRING_FLAG_STRICT_RESERVED_WORD,
DUK_HSTRING_FLAG_EVAL_OR_ARGUMENTS,
@@ -38869,10 +41376,10 @@ DUK_LOCAL duk_uint_t duk__debug_getinfo_hstring_masks[] = {
DUK_LOCAL const char * const duk__debug_getinfo_hobject_keys[] = {
"extensible",
"constructable",
- "bound",
- "compiledfunction",
- "nativefunction",
- "bufferobject",
+ "boundfunc",
+ "compfunc",
+ "natfunc",
+ "bufobj",
"thread",
"array_part",
"strict",
@@ -38891,10 +41398,10 @@ DUK_LOCAL const char * const duk__debug_getinfo_hobject_keys[] = {
DUK_LOCAL duk_uint_t duk__debug_getinfo_hobject_masks[] = {
DUK_HOBJECT_FLAG_EXTENSIBLE,
DUK_HOBJECT_FLAG_CONSTRUCTABLE,
- DUK_HOBJECT_FLAG_BOUND,
- DUK_HOBJECT_FLAG_COMPILEDFUNCTION,
- DUK_HOBJECT_FLAG_NATIVEFUNCTION,
- DUK_HOBJECT_FLAG_BUFFEROBJECT,
+ DUK_HOBJECT_FLAG_BOUNDFUNC,
+ DUK_HOBJECT_FLAG_COMPFUNC,
+ DUK_HOBJECT_FLAG_NATFUNC,
+ DUK_HOBJECT_FLAG_BUFOBJ,
DUK_HOBJECT_FLAG_THREAD,
DUK_HOBJECT_FLAG_ARRAY_PART,
DUK_HOBJECT_FLAG_STRICT,
@@ -38998,8 +41505,11 @@ DUK_LOCAL duk_bool_t duk__debug_getprop_index(duk_hthread *thr, duk_heap *heap,
}
flags = DUK_HOBJECT_E_GET_FLAGS(heap, h_obj, idx);
- if (DUK_HSTRING_HAS_INTERNAL(h_key)) {
- flags |= DUK_DBG_PROPFLAG_INTERNAL;
+ if (DUK_HSTRING_HAS_SYMBOL(h_key)) {
+ flags |= DUK_DBG_PROPFLAG_SYMBOL;
+ }
+ if (DUK_HSTRING_HAS_HIDDEN(h_key)) {
+ flags |= DUK_DBG_PROPFLAG_HIDDEN;
}
duk_debug_write_uint(thr, flags);
duk_debug_write_hstring(thr, h_key);
@@ -39102,14 +41612,21 @@ DUK_LOCAL void duk__debug_handle_get_heap_obj_info(duk_hthread *thr, duk_heap *h
duk__debug_getinfo_prop_uint(thr, "a_size", (duk_uint_t) DUK_HOBJECT_GET_ASIZE(h_obj));
duk__debug_getinfo_prop_uint(thr, "h_size", (duk_uint_t) DUK_HOBJECT_GET_HSIZE(h_obj));
- /* duk_hnativefunction specific fields. */
- if (DUK_HOBJECT_IS_NATIVEFUNCTION(h_obj)) {
- duk_hnativefunction *h_fun;
- h_fun = (duk_hnativefunction *) h_obj;
+ if (DUK_HOBJECT_IS_ARRAY(h_obj)) {
+ duk_harray *h_arr;
+ h_arr = (duk_harray *) h_obj;
+
+ duk__debug_getinfo_prop_int(thr, "length", h_arr->length);
+ duk__debug_getinfo_prop_bool(thr, "length_nonwritable", h_arr->length_nonwritable);
+ }
+
+ if (DUK_HOBJECT_IS_NATFUNC(h_obj)) {
+ duk_hnatfunc *h_fun;
+ h_fun = (duk_hnatfunc *) h_obj;
duk__debug_getinfo_prop_int(thr, "nargs", h_fun->nargs);
duk__debug_getinfo_prop_int(thr, "magic", h_fun->magic);
- duk__debug_getinfo_prop_bool(thr, "varargs", h_fun->magic == DUK_HNATIVEFUNCTION_NARGS_VARARGS);
+ duk__debug_getinfo_prop_bool(thr, "varargs", h_fun->magic == DUK_HNATFUNC_NARGS_VARARGS);
/* Native function pointer may be different from a void pointer,
* and we serialize it from memory directly now (no byte swapping etc).
*/
@@ -39117,16 +41634,34 @@ DUK_LOCAL void duk__debug_handle_get_heap_obj_info(duk_hthread *thr, duk_heap *h
duk_debug_write_buffer(thr, (const char *) &h_fun->func, sizeof(h_fun->func));
}
- if (DUK_HOBJECT_IS_COMPILEDFUNCTION(h_obj)) {
- duk_hcompiledfunction *h_fun;
+ if (DUK_HOBJECT_IS_COMPFUNC(h_obj)) {
+ duk_hcompfunc *h_fun;
duk_hbuffer *h_buf;
- h_fun = (duk_hcompiledfunction *) h_obj;
+ duk_hobject *h_lexenv;
+ duk_hobject *h_varenv;
+ h_fun = (duk_hcompfunc *) h_obj;
duk__debug_getinfo_prop_int(thr, "nregs", h_fun->nregs);
duk__debug_getinfo_prop_int(thr, "nargs", h_fun->nargs);
+
+ duk__debug_getinfo_flags_key(thr, "lex_env");
+ h_lexenv = DUK_HCOMPFUNC_GET_LEXENV(thr->heap, h_fun);
+ if (h_lexenv != NULL) {
+ duk_debug_write_hobject(thr, h_lexenv);
+ } else {
+ duk_debug_write_null(thr);
+ }
+ duk__debug_getinfo_flags_key(thr, "var_env");
+ h_varenv = DUK_HCOMPFUNC_GET_VARENV(thr->heap, h_fun);
+ if (h_varenv != NULL) {
+ duk_debug_write_hobject(thr, h_varenv);
+ } else {
+ duk_debug_write_null(thr);
+ }
+
duk__debug_getinfo_prop_uint(thr, "start_line", h_fun->start_line);
duk__debug_getinfo_prop_uint(thr, "end_line", h_fun->end_line);
- h_buf = (duk_hbuffer *) DUK_HCOMPILEDFUNCTION_GET_DATA(thr->heap, h_fun);
+ h_buf = (duk_hbuffer *) DUK_HCOMPFUNC_GET_DATA(thr->heap, h_fun);
if (h_buf != NULL) {
duk__debug_getinfo_flags_key(thr, "data");
duk_debug_write_heapptr(thr, (duk_heaphdr *) h_buf);
@@ -39142,20 +41677,22 @@ DUK_LOCAL void duk__debug_handle_get_heap_obj_info(duk_hthread *thr, duk_heap *h
DUK_UNREF(h_thr);
}
- if (DUK_HOBJECT_IS_BUFFEROBJECT(h_obj)) {
- duk_hbufferobject *h_bufobj;
- h_bufobj = (duk_hbufferobject *) h_obj;
+#if defined(DUK_USE_BUFFEROBJECT_SUPPORT)
+ if (DUK_HOBJECT_IS_BUFOBJ(h_obj)) {
+ duk_hbufobj *h_bufobj;
+ h_bufobj = (duk_hbufobj *) h_obj;
duk__debug_getinfo_prop_uint(thr, "slice_offset", h_bufobj->offset);
duk__debug_getinfo_prop_uint(thr, "slice_length", h_bufobj->length);
duk__debug_getinfo_prop_uint(thr, "elem_shift", (duk_uint_t) h_bufobj->shift);
duk__debug_getinfo_prop_uint(thr, "elem_type", (duk_uint_t) h_bufobj->elem_type);
- duk__debug_getinfo_prop_bool(thr, "is_view", (duk_uint_t) h_bufobj->is_view);
+ duk__debug_getinfo_prop_bool(thr, "is_typedarray", (duk_uint_t) h_bufobj->is_typedarray);
if (h_bufobj->buf != NULL) {
duk__debug_getinfo_flags_key(thr, "buffer");
duk_debug_write_heapptr(thr, (duk_heaphdr *) h_bufobj->buf);
}
}
+#endif /* DUK_USE_BUFFEROBJECT_SUPPORT */
break;
}
case DUK_HTYPE_BUFFER: {
@@ -39504,7 +42041,7 @@ DUK_INTERNAL duk_bool_t duk_debug_process_messages(duk_hthread *thr, duk_bool_t
break;
}
- if (!thr->heap->dbg_paused || no_block) {
+ if (!DUK_HEAP_HAS_DEBUGGER_PAUSED(thr->heap) || no_block) {
if (!duk_debug_read_peek(thr)) {
/* Note: peek cannot currently trigger a detach
* so the dbg_detaching == 0 assert outside the
@@ -39557,7 +42094,7 @@ DUK_INTERNAL duk_bool_t duk_debug_process_messages(duk_hthread *thr, duk_bool_t
DUK_INTERNAL void duk_debug_halt_execution(duk_hthread *thr, duk_bool_t use_prev_pc) {
duk_activation *act;
- duk_hcompiledfunction *fun;
+ duk_hcompfunc *fun;
duk_instr_t *old_pc = NULL;
DUK_ASSERT(thr != NULL);
@@ -39577,16 +42114,16 @@ DUK_INTERNAL void duk_debug_halt_execution(duk_hthread *thr, duk_bool_t use_prev
if (act != NULL) {
duk_hthread_sync_currpc(thr);
old_pc = act->curr_pc;
- fun = (duk_hcompiledfunction *) DUK_ACT_GET_FUNC(act);
+ fun = (duk_hcompfunc *) DUK_ACT_GET_FUNC(act);
/* Short circuit if is safe: if act->curr_pc != NULL, 'fun' is
* guaranteed to be a non-NULL Ecmascript function.
*/
DUK_ASSERT(act->curr_pc == NULL ||
- (fun != NULL && DUK_HOBJECT_IS_COMPILEDFUNCTION((duk_hobject *) fun)));
+ (fun != NULL && DUK_HOBJECT_IS_COMPFUNC((duk_hobject *) fun)));
if (use_prev_pc &&
act->curr_pc != NULL &&
- act->curr_pc > DUK_HCOMPILEDFUNCTION_GET_CODE_BASE(thr->heap, fun)) {
+ act->curr_pc > DUK_HCOMPFUNC_GET_CODE_BASE(thr->heap, fun)) {
act->curr_pc--;
}
}
@@ -39599,7 +42136,7 @@ DUK_INTERNAL void duk_debug_halt_execution(duk_hthread *thr, duk_bool_t use_prev
*/
thr->heap->dbg_state_dirty = 1;
- while (thr->heap->dbg_paused) {
+ while (DUK_HEAP_HAS_DEBUGGER_PAUSED(thr->heap)) {
DUK_ASSERT(DUK_HEAP_IS_DEBUGGER_ATTACHED(thr->heap));
DUK_ASSERT(thr->heap->dbg_processing);
duk_debug_process_messages(thr, 0 /*no_block*/);
@@ -39692,14 +42229,14 @@ DUK_INTERNAL duk_bool_t duk_debug_remove_breakpoint(duk_hthread *thr, duk_small_
return 1;
}
-#undef DUK__SET_CONN_BROKEN
-
#else /* DUK_USE_DEBUGGER_SUPPORT */
/* No debugger support. */
#endif /* DUK_USE_DEBUGGER_SUPPORT */
-#line 1 "duk_error_augment.c"
+
+/* automatic undefs */
+#undef DUK__SET_CONN_BROKEN
/*
* Augmenting errors at their creation site and their throw site.
*
@@ -39723,7 +42260,7 @@ DUK_INTERNAL duk_bool_t duk_debug_remove_breakpoint(duk_hthread *thr, duk_small_
* extensible. User error handlers have no limitations in this respect.
*/
-/* include removed: duk_internal.h */
+/* #include duk_internal.h -> already included */
/*
* Helper for calling a user error handler.
@@ -39769,8 +42306,7 @@ DUK_LOCAL void duk__err_augment_user(duk_hthread *thr, duk_small_uint_t stridx_c
DUK_ASSERT(thr != NULL);
DUK_ASSERT(thr->heap != NULL);
- DUK_ASSERT_DISABLE(stridx_cb >= 0); /* unsigned */
- DUK_ASSERT(stridx_cb < DUK_HEAP_NUM_STRINGS);
+ DUK_ASSERT_STRIDX_VALID(stridx_cb);
if (DUK_HEAP_HAS_ERRHANDLER_RUNNING(thr->heap)) {
DUK_DD(DUK_DDPRINT("recursive call to error handler, ignore"));
@@ -39861,7 +42397,11 @@ DUK_LOCAL void duk__add_traceback(duk_hthread *thr, duk_hthread *thr_callstack,
duk_context *ctx = (duk_context *) thr;
duk_small_uint_t depth;
duk_int_t i, i_min;
- duk_uarridx_t arr_idx;
+ duk_int_t arr_size;
+ duk_harray *a;
+ duk_tval *tv;
+ duk_hstring *s;
+ duk_uint32_t u32;
duk_double_t d;
DUK_ASSERT(thr != NULL);
@@ -39881,20 +42421,41 @@ DUK_LOCAL void duk__add_traceback(duk_hthread *thr, duk_hthread *thr_callstack,
DUK_DDD(DUK_DDDPRINT("adding traceback to object: %!T",
(duk_tval *) duk_get_tval(ctx, -1)));
- duk_push_array(ctx); /* XXX: specify array size, as we know it */
- arr_idx = 0;
+ /* Preallocate array to correct size, so that we can just write out
+ * the _Tracedata values into the array part.
+ */
+ depth = DUK_USE_TRACEBACK_DEPTH;
+ arr_size = (duk_int_t) (thr_callstack->callstack_top <= depth ? thr_callstack->callstack_top : depth) * 2;
+ if (thr->compile_ctx != NULL && thr->compile_ctx->h_filename != NULL) {
+ arr_size += 2;
+ }
+ if (c_filename) {
+ /* We need the C filename to be interned before getting the
+ * array part pointer to avoid any GC interference while the
+ * array part is populated.
+ */
+ duk_push_string(ctx, c_filename);
+ arr_size += 2;
+ }
+
+ DUK_D(DUK_DPRINT("preallocated _Tracedata to %ld items", (long) arr_size));
+ a = duk_push_harray_with_size(ctx, (duk_uint32_t) arr_size); /* XXX: call which returns array part pointer directly */
+ DUK_ASSERT(a != NULL);
+ tv = DUK_HOBJECT_A_GET_BASE(thr->heap, (duk_hobject *) a);
+ DUK_ASSERT(tv != NULL || arr_size == 0);
/* Compiler SyntaxErrors (and other errors) come first, and are
* blamed by default (not flagged "noblame").
*/
if (thr->compile_ctx != NULL && thr->compile_ctx->h_filename != NULL) {
- duk_push_hstring(ctx, thr->compile_ctx->h_filename);
- duk_xdef_prop_index_wec(ctx, -2, arr_idx);
- arr_idx++;
+ s = thr->compile_ctx->h_filename;
+ DUK_TVAL_SET_STRING(tv, s);
+ DUK_HSTRING_INCREF(thr, s);
+ tv++;
- duk_push_uint(ctx, (duk_uint_t) thr->compile_ctx->curr_token.start_line); /* (flags<<32) + (line), flags = 0 */
- duk_xdef_prop_index_wec(ctx, -2, arr_idx);
- arr_idx++;
+ u32 = (duk_uint32_t) thr->compile_ctx->curr_token.start_line; /* (flags<<32) + (line), flags = 0 */
+ DUK_TVAL_SET_U32(tv, u32);
+ tv++;
}
/* Filename/line from C macros (__FILE__, __LINE__) are added as an
@@ -39902,31 +42463,20 @@ DUK_LOCAL void duk__add_traceback(duk_hthread *thr, duk_hthread *thr_callstack,
* the line and flags.
*/
- /* XXX: optimize: allocate an array part to the necessary size (upwards
- * estimate) and fill in the values directly into the array part; finally
- * update 'length'.
- */
-
- /* XXX: using duk_put_prop_index() would cause obscure error cases when Array.prototype
- * has write-protected array index named properties. This was seen as DoubleErrors
- * in e.g. some test262 test cases. Using duk_xdef_prop_index() is better but heavier.
- * The best fix is to fill in the tracedata directly into the array part. There are
- * no side effect concerns if the array part is allocated directly and only INCREFs
- * happen after that.
- */
-
- /* [ ... error arr ] */
+ /* [ ... error c_filename? arr ] */
if (c_filename) {
- duk_push_string(ctx, c_filename);
- duk_xdef_prop_index_wec(ctx, -2, arr_idx);
- arr_idx++;
+ DUK_ASSERT(DUK_TVAL_IS_STRING(thr->valstack_top - 2));
+ s = DUK_TVAL_GET_STRING(thr->valstack_top - 2); /* interned c_filename */
+ DUK_ASSERT(s != NULL);
+ DUK_TVAL_SET_STRING(tv, s);
+ DUK_HSTRING_INCREF(thr, s);
+ tv++;
d = (noblame_fileline ? ((duk_double_t) DUK_TB_FLAG_NOBLAME_FILELINE) * DUK_DOUBLE_2TO32 : 0.0) +
(duk_double_t) c_line;
- duk_push_number(ctx, d);
- duk_xdef_prop_index_wec(ctx, -2, arr_idx);
- arr_idx++;
+ DUK_TVAL_SET_DOUBLE(tv, d);
+ tv++;
}
/* traceback depth doesn't take into account the filename/line
@@ -39936,11 +42486,12 @@ DUK_LOCAL void duk__add_traceback(duk_hthread *thr, duk_hthread *thr_callstack,
i_min = (thr_callstack->callstack_top > (duk_size_t) depth ? (duk_int_t) (thr_callstack->callstack_top - depth) : 0);
DUK_ASSERT(i_min >= 0);
- /* [ ... error arr ] */
+ /* [ ... error c_filename? arr ] */
DUK_ASSERT(thr_callstack->callstack_top <= DUK_INT_MAX); /* callstack limits */
for (i = (duk_int_t) (thr_callstack->callstack_top - 1); i >= i_min; i--) {
duk_uint32_t pc;
+ duk_tval *tv_src;
/*
* Note: each API operation potentially resizes the callstack,
@@ -39955,9 +42506,11 @@ DUK_LOCAL void duk__add_traceback(duk_hthread *thr, duk_hthread *thr_callstack,
DUK_ASSERT_DISABLE(thr_callstack->callstack[i].pc >= 0); /* unsigned */
/* Add function object. */
- duk_push_tval(ctx, &(thr_callstack->callstack + i)->tv_func);
- duk_xdef_prop_index_wec(ctx, -2, arr_idx);
- arr_idx++;
+ tv_src = &(thr_callstack->callstack + i)->tv_func; /* object (function) or lightfunc */
+ DUK_ASSERT(DUK_TVAL_IS_OBJECT(tv_src) || DUK_TVAL_IS_LIGHTFUNC(tv_src));
+ DUK_TVAL_SET_TVAL(tv, tv_src);
+ DUK_TVAL_INCREF(thr, tv);
+ tv++;
/* Add a number containing: pc, activation flags.
*
@@ -39968,18 +42521,22 @@ DUK_LOCAL void duk__add_traceback(duk_hthread *thr, duk_hthread *thr_callstack,
DUK_ASSERT_DISABLE(pc >= 0); /* unsigned */
DUK_ASSERT((duk_double_t) pc < DUK_DOUBLE_2TO32); /* assume PC is at most 32 bits and non-negative */
d = ((duk_double_t) thr_callstack->callstack[i].flags) * DUK_DOUBLE_2TO32 + (duk_double_t) pc;
- duk_push_number(ctx, d); /* -> [... arr num] */
- duk_xdef_prop_index_wec(ctx, -2, arr_idx);
- arr_idx++;
+ DUK_TVAL_SET_DOUBLE(tv, d);
+ tv++;
}
- /* XXX: set with duk_hobject_set_length() when tracedata is filled directly */
- duk_push_uint(ctx, (duk_uint_t) arr_idx);
- duk_xdef_prop_stridx(ctx, -2, DUK_STRIDX_LENGTH, DUK_PROPDESC_FLAGS_WC);
+ DUK_ASSERT((duk_uint32_t) (tv - DUK_HOBJECT_A_GET_BASE(thr->heap, (duk_hobject *) a)) == a->length);
+ DUK_ASSERT(a->length == (duk_uint32_t) arr_size);
+
+ /* [ ... error c_filename? arr ] */
+
+ if (c_filename) {
+ duk_remove_m2(ctx);
+ }
/* [ ... error arr ] */
- duk_xdef_prop_stridx_wec(ctx, -2, DUK_STRIDX_INT_TRACEDATA); /* -> [ ... error ] */
+ duk_xdef_prop_stridx_short_wec(ctx, -2, DUK_STRIDX_INT_TRACEDATA); /* -> [ ... error ] */
}
#endif /* DUK_USE_TRACEBACKS */
@@ -39987,7 +42544,7 @@ DUK_LOCAL void duk__add_traceback(duk_hthread *thr, duk_hthread *thr_callstack,
* Add .fileName and .lineNumber to an error on the stack top.
*/
-#if !defined(DUK_USE_TRACEBACKS)
+#if defined(DUK_USE_AUGMENT_ERROR_CREATE) && !defined(DUK_USE_TRACEBACKS)
DUK_LOCAL void duk__add_fileline(duk_hthread *thr, duk_hthread *thr_callstack, const char *c_filename, duk_int_t c_line, duk_bool_t noblame_fileline) {
duk_context *ctx;
#if defined(DUK_USE_ASSERTIONS)
@@ -40060,8 +42617,8 @@ DUK_LOCAL void duk__add_fileline(duk_hthread *thr, duk_hthread *thr_callstack, c
/* [ ... error func ] */
- duk_get_prop_stridx(ctx, -1, DUK_STRIDX_FILE_NAME);
- if (!duk_is_string(ctx, -1)) {
+ duk_get_prop_stridx_short(ctx, -1, DUK_STRIDX_FILE_NAME);
+ if (!duk_is_string_notsymbol(ctx, -1)) {
duk_pop_2(ctx);
continue;
}
@@ -40070,7 +42627,7 @@ DUK_LOCAL void duk__add_fileline(duk_hthread *thr, duk_hthread *thr_callstack, c
ecma_line = 0;
#if defined(DUK_USE_PC2LINE)
- if (DUK_HOBJECT_IS_COMPILEDFUNCTION(func)) {
+ if (DUK_HOBJECT_IS_COMPFUNC(func)) {
ecma_line = duk_hobject_pc2line_query(ctx, -2, (duk_uint_fast32_t) pc);
} else {
/* Native function, no relevant lineNumber. */
@@ -40099,15 +42656,16 @@ DUK_LOCAL void duk__add_fileline(duk_hthread *thr, duk_hthread *thr_callstack, c
#if defined(DUK_USE_ASSERTIONS)
DUK_ASSERT(duk_get_top(ctx) == entry_top + 2);
#endif
- duk_xdef_prop_stridx(ctx, -3, DUK_STRIDX_FILE_NAME, DUK_PROPDESC_FLAGS_WC | DUK_PROPDESC_FLAG_NO_OVERWRITE);
- duk_xdef_prop_stridx(ctx, -2, DUK_STRIDX_LINE_NUMBER, DUK_PROPDESC_FLAGS_WC | DUK_PROPDESC_FLAG_NO_OVERWRITE);
+ duk_xdef_prop_stridx_short(ctx, -3, DUK_STRIDX_FILE_NAME, DUK_PROPDESC_FLAGS_C | DUK_PROPDESC_FLAG_NO_OVERWRITE);
+ duk_xdef_prop_stridx_short(ctx, -2, DUK_STRIDX_LINE_NUMBER, DUK_PROPDESC_FLAGS_C | DUK_PROPDESC_FLAG_NO_OVERWRITE);
}
-#endif /* !DUK_USE_TRACEBACKS */
+#endif /* DUK_USE_AUGMENT_ERROR_CREATE && !DUK_USE_TRACEBACKS */
/*
* Add line number to a compiler error.
*/
+#if defined(DUK_USE_AUGMENT_ERROR_CREATE)
DUK_LOCAL void duk__add_compiler_error_line(duk_hthread *thr) {
duk_context *ctx;
@@ -40129,10 +42687,10 @@ DUK_LOCAL void duk__add_compiler_error_line(duk_hthread *thr) {
DUK_DDD(DUK_DDDPRINT("compile error, before adding line info: %!T",
(duk_tval *) duk_get_tval(ctx, -1)));
- if (duk_get_prop_stridx(ctx, -1, DUK_STRIDX_MESSAGE)) {
+ if (duk_get_prop_stridx_short(ctx, -1, DUK_STRIDX_MESSAGE)) {
duk_push_sprintf(ctx, " (line %ld)", (long) thr->compile_ctx->curr_token.start_line);
duk_concat(ctx, 2);
- duk_put_prop_stridx(ctx, -2, DUK_STRIDX_MESSAGE);
+ duk_put_prop_stridx_short(ctx, -2, DUK_STRIDX_MESSAGE);
} else {
duk_pop(ctx);
}
@@ -40140,6 +42698,7 @@ DUK_LOCAL void duk__add_compiler_error_line(duk_hthread *thr) {
DUK_DDD(DUK_DDDPRINT("compile error, after adding line info: %!T",
(duk_tval *) duk_get_tval(ctx, -1)));
}
+#endif /* DUK_USE_AUGMENT_ERROR_CREATE */
/*
* Augment an error being created using Duktape specific properties
@@ -40267,13 +42826,43 @@ DUK_INTERNAL void duk_err_augment_error_throw(duk_hthread *thr) {
#endif /* DUK_USE_ERRTHROW */
}
#endif /* DUK_USE_AUGMENT_ERROR_THROW */
-#line 1 "duk_error_longjmp.c"
/*
* Do a longjmp call, calling the fatal error handler if no
* catchpoint exists.
*/
-/* include removed: duk_internal.h */
+/* #include duk_internal.h -> already included */
+
+#if defined(DUK_USE_PREFER_SIZE)
+DUK_LOCAL void duk__uncaught_minimal(duk_hthread *thr) {
+ (void) duk_fatal((duk_context *) thr, "uncaught error");
+}
+#endif
+
+#if 0
+DUK_LOCAL void duk__uncaught_readable(duk_hthread *thr) {
+ const char *summary;
+ char buf[64];
+
+ summary = duk_push_string_tval_readable((duk_context *) thr, &thr->heap->lj.value1);
+ DUK_SNPRINTF(buf, sizeof(buf), "uncaught: %s", summary);
+ buf[sizeof(buf) - 1] = (char) 0;
+ (void) duk_fatal((duk_context *) thr, (const char *) buf);
+}
+#endif
+
+#if !defined(DUK_USE_PREFER_SIZE)
+DUK_LOCAL void duk__uncaught_error_aware(duk_hthread *thr) {
+ const char *summary;
+ char buf[64];
+
+ summary = duk_push_string_tval_readable_error((duk_context *) thr, &thr->heap->lj.value1);
+ DUK_ASSERT(summary != NULL);
+ DUK_SNPRINTF(buf, sizeof(buf), "uncaught: %s", summary);
+ buf[sizeof(buf) - 1] = (char) 0;
+ (void) duk_fatal((duk_context *) thr, (const char *) buf);
+}
+#endif
DUK_INTERNAL void duk_err_longjmp(duk_hthread *thr) {
DUK_ASSERT(thr != NULL);
@@ -40282,9 +42871,17 @@ DUK_INTERNAL void duk_err_longjmp(duk_hthread *thr) {
(int) thr->heap->lj.type, (int) thr->heap->lj.iserror,
&thr->heap->lj.value1, &thr->heap->lj.value2));
+ /* Perform a refzero check before throwing: this catches cases where
+ * some internal code uses no-refzero (NORZ) macro variants but an
+ * error occurs before it has the chance to DUK_REFZERO_CHECK_xxx()
+ * explicitly. Refzero'ed objects would otherwise remain pending
+ * until the next refzero (which is not a big issue but still).
+ */
+ DUK_REFZERO_CHECK_SLOW(thr);
+
#if !defined(DUK_USE_CPP_EXCEPTIONS)
- /* If we don't have a jmpbuf_ptr, there is little we can do
- * except panic. The caller's expectation is that we never
+ /* If we don't have a jmpbuf_ptr, there is little we can do except
+ * cause a fatal error. The caller's expectation is that we never
* return.
*
* With C++ exceptions we now just propagate an uncaught error
@@ -40292,12 +42889,15 @@ DUK_INTERNAL void duk_err_longjmp(duk_hthread *thr) {
* a dummy jmpbuf for C++ exceptions now, this could be changed.
*/
if (!thr->heap->lj.jmpbuf_ptr) {
-
DUK_D(DUK_DPRINT("uncaught error: type=%d iserror=%d value1=%!T value2=%!T",
(int) thr->heap->lj.type, (int) thr->heap->lj.iserror,
&thr->heap->lj.value1, &thr->heap->lj.value2));
- duk_fatal((duk_context *) thr, DUK_ERR_UNCAUGHT_ERROR, "uncaught error");
+#if defined(DUK_USE_PREFER_SIZE)
+ duk__uncaught_minimal(thr);
+#else
+ duk__uncaught_error_aware(thr);
+#endif
DUK_UNREACHABLE();
}
#endif /* DUK_USE_CPP_EXCEPTIONS */
@@ -40313,12 +42913,11 @@ DUK_INTERNAL void duk_err_longjmp(duk_hthread *thr) {
DUK_UNREACHABLE();
}
-#line 1 "duk_error_misc.c"
/*
* Error helpers
*/
-/* include removed: duk_internal.h */
+/* #include duk_internal.h -> already included */
/*
* Helper to walk the thread chain and see if there is an active error
@@ -40370,13 +42969,6 @@ DUK_INTERNAL duk_hobject *duk_error_prototype_from_code(duk_hthread *thr, duk_er
return thr->builtins[DUK_BIDX_TYPE_ERROR_PROTOTYPE];
case DUK_ERR_URI_ERROR:
return thr->builtins[DUK_BIDX_URI_ERROR_PROTOTYPE];
-
- /* XXX: more specific error classes? */
- case DUK_ERR_UNIMPLEMENTED_ERROR:
- case DUK_ERR_INTERNAL_ERROR:
- case DUK_ERR_ALLOC_ERROR:
- case DUK_ERR_ASSERTION_ERROR:
- case DUK_ERR_API_ERROR:
case DUK_ERR_ERROR:
default:
return thr->builtins[DUK_BIDX_ERROR_PROTOTYPE];
@@ -40446,7 +43038,6 @@ DUK_INTERNAL void duk_err_setup_heap_ljstate(duk_hthread *thr, duk_small_int_t l
duk_pop((duk_context *) thr);
}
-#line 1 "duk_error_throw.c"
/*
* Create and throw an Ecmascript error object based on a code and a message.
*
@@ -40455,7 +43046,7 @@ DUK_INTERNAL void duk_err_setup_heap_ljstate(duk_hthread *thr, duk_small_int_t l
* executor.
*/
-/* include removed: duk_internal.h */
+/* #include duk_internal.h -> already included */
/*
* Create and throw an error (originating from Duktape internally)
@@ -40469,7 +43060,7 @@ DUK_INTERNAL void duk_err_setup_heap_ljstate(duk_hthread *thr, duk_small_int_t l
* then stops at the second level.
*/
-#ifdef DUK_USE_VERBOSE_ERRORS
+#if defined(DUK_USE_VERBOSE_ERRORS)
DUK_INTERNAL void duk_err_create_and_throw(duk_hthread *thr, duk_errcode_t code, const char *msg, const char *filename, duk_int_t line) {
#else
DUK_INTERNAL void duk_err_create_and_throw(duk_hthread *thr, duk_errcode_t code) {
@@ -40477,7 +43068,7 @@ DUK_INTERNAL void duk_err_create_and_throw(duk_hthread *thr, duk_errcode_t code)
duk_context *ctx = (duk_context *) thr;
duk_bool_t double_error = thr->heap->handling_error;
-#ifdef DUK_USE_VERBOSE_ERRORS
+#if defined(DUK_USE_VERBOSE_ERRORS)
DUK_DD(DUK_DDPRINT("duk_err_create_and_throw(): code=%ld, msg=%s, filename=%s, line=%ld",
(long) code, (const char *) msg,
(const char *) filename, (long) line));
@@ -40533,7 +43124,7 @@ DUK_INTERNAL void duk_err_create_and_throw(duk_hthread *thr, duk_errcode_t code)
/* XXX: unnecessary '%s' formatting here, but cannot use
* 'msg' as a format string directly.
*/
-#ifdef DUK_USE_VERBOSE_ERRORS
+#if defined(DUK_USE_VERBOSE_ERRORS)
duk_push_error_object_raw(ctx,
code | DUK_ERRCODE_FLAG_NOBLAME_FILELINE,
filename,
@@ -40550,11 +43141,17 @@ DUK_INTERNAL void duk_err_create_and_throw(duk_hthread *thr, duk_errcode_t code)
}
/*
- * Augment error (throw time), unless alloc/double error
+ * Augment error (throw time), unless double error
+ *
+ * Note that an alloc error may happen during error augmentation.
+ * This may happen both when the original error is an alloc error
+ * and when it's something else. Because any error in augmentation
+ * must be handled correctly anyway, there's no special check for
+ * avoiding it for alloc errors (this differs from Duktape 1.x).
*/
- if (double_error || code == DUK_ERR_ALLOC_ERROR) {
- DUK_D(DUK_DPRINT("alloc or double error: skip throw augmenting to avoid further trouble"));
+ if (double_error) {
+ DUK_D(DUK_DPRINT("double error: skip throw augmenting to avoid further trouble"));
} else {
#if defined(DUK_USE_AUGMENT_ERROR_THROW)
DUK_DDD(DUK_DDDPRINT("THROW ERROR (INTERNAL): %!iT (before throw augment)",
@@ -40585,55 +43182,28 @@ DUK_INTERNAL void duk_err_create_and_throw(duk_hthread *thr, duk_errcode_t code)
DUK_INTERNAL void duk_error_throw_from_negative_rc(duk_hthread *thr, duk_ret_t rc) {
duk_context *ctx = (duk_context *) thr;
- const char *msg;
- duk_errcode_t code;
DUK_ASSERT(thr != NULL);
DUK_ASSERT(rc < 0);
- /* XXX: this generates quite large code - perhaps select the error
- * class based on the code and then just use the error 'name'?
- */
- /* XXX: shared strings */
-
- code = -rc;
-
- switch (rc) {
- case DUK_RET_UNIMPLEMENTED_ERROR: msg = "unimplemented"; break;
- case DUK_RET_UNSUPPORTED_ERROR: msg = "unsupported"; break;
- case DUK_RET_INTERNAL_ERROR: msg = "internal"; break;
- case DUK_RET_ALLOC_ERROR: msg = "alloc"; break;
- case DUK_RET_ASSERTION_ERROR: msg = "assertion"; break;
- case DUK_RET_API_ERROR: msg = "api"; break;
- case DUK_RET_UNCAUGHT_ERROR: msg = "uncaught"; break;
- case DUK_RET_ERROR: msg = "error"; break;
- case DUK_RET_EVAL_ERROR: msg = "eval"; break;
- case DUK_RET_RANGE_ERROR: msg = "range"; break;
- case DUK_RET_REFERENCE_ERROR: msg = "reference"; break;
- case DUK_RET_SYNTAX_ERROR: msg = "syntax"; break;
- case DUK_RET_TYPE_ERROR: msg = "type"; break;
- case DUK_RET_URI_ERROR: msg = "uri"; break;
- default: msg = "unknown"; break;
- }
-
- DUK_ASSERT(msg != NULL);
-
/*
* The __FILE__ and __LINE__ information is intentionally not used in the
* creation of the error object, as it isn't useful in the tracedata. The
* tracedata still contains the function which returned the negative return
* code, and having the file/line of this function isn't very useful.
+ *
+ * The error messages for DUK_RET_xxx shorthand are intentionally very
+ * minimal: they're only really useful for low memory targets.
*/
- duk_error_raw(ctx, code, NULL, 0, "%s error (rc %ld)", (const char *) msg, (long) rc);
+ duk_error_raw(ctx, -rc, NULL, 0, "error (rc %ld)", (long) rc);
DUK_UNREACHABLE();
}
-#line 1 "duk_hbuffer_alloc.c"
/*
* duk_hbuffer allocation and freeing.
*/
-/* include removed: duk_internal.h */
+/* #include duk_internal.h -> already included */
/* Allocate a new duk_hbuffer of a certain type and return a pointer to it
* (NULL on error). Write buffer data pointer to 'out_bufdata' (only if
@@ -40704,7 +43274,7 @@ DUK_INTERNAL duk_hbuffer *duk_hbuffer_alloc(duk_heap *heap, duk_size_t size, duk
if (size > 0) {
DUK_ASSERT(!(flags & DUK_BUF_FLAG_EXTERNAL)); /* alloc external with size zero */
DUK_DDD(DUK_DDDPRINT("dynamic buffer with nonzero size, alloc actual buffer"));
-#ifdef DUK_USE_ZERO_BUFFER_DATA
+#if defined(DUK_USE_ZERO_BUFFER_DATA)
ptr = DUK_ALLOC_ZEROED(heap, size);
#else
ptr = DUK_ALLOC(heap, size);
@@ -40761,7 +43331,6 @@ DUK_INTERNAL void *duk_hbuffer_get_dynalloc_ptr(duk_heap *heap, void *ud) {
DUK_UNREF(heap);
return (void *) DUK_HBUFFER_DYNAMIC_GET_DATA_PTR(heap, buf);
}
-#line 1 "duk_hbuffer_ops.c"
/*
* duk_hbuffer operations such as resizing and inserting/appending data to
* a dynamic buffer.
@@ -40773,7 +43342,7 @@ DUK_INTERNAL void *duk_hbuffer_get_dynalloc_ptr(duk_heap *heap, void *ud) {
* They are used e.g. by the regexp compiler to "backpatch" regexp bytecode.
*/
-/* include removed: duk_internal.h */
+/* #include duk_internal.h -> already included */
/*
* Resizing
@@ -40821,7 +43390,7 @@ DUK_INTERNAL void duk_hbuffer_resize(duk_hthread *thr, duk_hbuffer_dynamic *buf,
prev_size = DUK_HBUFFER_DYNAMIC_GET_SIZE(buf);
if (new_size > prev_size) {
DUK_ASSERT(new_size - prev_size > 0);
-#ifdef DUK_USE_ZERO_BUFFER_DATA
+#if defined(DUK_USE_ZERO_BUFFER_DATA)
DUK_MEMZERO((void *) ((char *) res + prev_size),
(duk_size_t) (new_size - prev_size));
#endif
@@ -40830,7 +43399,7 @@ DUK_INTERNAL void duk_hbuffer_resize(duk_hthread *thr, duk_hbuffer_dynamic *buf,
DUK_HBUFFER_DYNAMIC_SET_SIZE(buf, new_size);
DUK_HBUFFER_DYNAMIC_SET_DATA_PTR(thr->heap, buf, res);
} else {
- DUK_ERROR_ALLOC_DEFMSG(thr);
+ DUK_ERROR_ALLOC_FAILED(thr);
}
DUK_ASSERT(res != NULL || new_size == 0);
@@ -40844,11 +43413,10 @@ DUK_INTERNAL void duk_hbuffer_reset(duk_hthread *thr, duk_hbuffer_dynamic *buf)
duk_hbuffer_resize(thr, buf, 0);
}
-/* include removed: duk_internal.h */
-#line 2 "duk_hbufferobject_misc.c"
+/* #include duk_internal.h -> already included */
#if defined(DUK_USE_BUFFEROBJECT_SUPPORT)
-DUK_INTERNAL duk_uint_t duk_hbufferobject_clamp_bytelength(duk_hbufferobject *h_bufobj, duk_uint_t len) {
+DUK_INTERNAL duk_uint_t duk_hbufobj_clamp_bytelength(duk_hbufobj *h_bufobj, duk_uint_t len) {
duk_uint_t buf_size;
duk_uint_t buf_avail;
@@ -40865,20 +43433,11 @@ DUK_INTERNAL duk_uint_t duk_hbufferobject_clamp_bytelength(duk_hbufferobject *h_
return buf_avail >= len ? len : buf_avail;
}
#endif /* DUK_USE_BUFFEROBJECT_SUPPORT */
-#line 1 "duk_heap_alloc.c"
/*
* duk_heap allocation and freeing.
*/
-/* include removed: duk_internal.h */
-
-/* Constants for built-in string data depacking. */
-#define DUK__BITPACK_LETTER_LIMIT 26
-#define DUK__BITPACK_UNDERSCORE 26
-#define DUK__BITPACK_FF 27
-#define DUK__BITPACK_SWITCH1 29
-#define DUK__BITPACK_SWITCH 30
-#define DUK__BITPACK_SEVENBIT 31
+/* #include duk_internal.h -> already included */
#if defined(DUK_USE_ROM_STRINGS)
/* Fixed seed value used with ROM strings. */
@@ -40894,18 +43453,18 @@ DUK_INTERNAL duk_uint_t duk_hbufferobject_clamp_bytelength(duk_hbufferobject *h_
* been already dealt with.
*/
-DUK_INTERNAL void duk_free_hobject_inner(duk_heap *heap, duk_hobject *h) {
+DUK_INTERNAL void duk_free_hobject(duk_heap *heap, duk_hobject *h) {
DUK_ASSERT(heap != NULL);
DUK_ASSERT(h != NULL);
DUK_FREE(heap, DUK_HOBJECT_GET_PROPS(heap, h));
- if (DUK_HOBJECT_IS_COMPILEDFUNCTION(h)) {
- duk_hcompiledfunction *f = (duk_hcompiledfunction *) h;
+ if (DUK_HOBJECT_IS_COMPFUNC(h)) {
+ duk_hcompfunc *f = (duk_hcompfunc *) h;
DUK_UNREF(f);
/* Currently nothing to free; 'data' is a heap object */
- } else if (DUK_HOBJECT_IS_NATIVEFUNCTION(h)) {
- duk_hnativefunction *f = (duk_hnativefunction *) h;
+ } else if (DUK_HOBJECT_IS_NATFUNC(h)) {
+ duk_hnatfunc *f = (duk_hnatfunc *) h;
DUK_UNREF(f);
/* Currently nothing to free */
} else if (DUK_HOBJECT_IS_THREAD(h)) {
@@ -40923,9 +43482,10 @@ DUK_INTERNAL void duk_free_hobject_inner(duk_heap *heap, duk_hobject *h) {
* functions in the callstack.
*/
}
+ DUK_FREE(heap, (void *) h);
}
-DUK_INTERNAL void duk_free_hbuffer_inner(duk_heap *heap, duk_hbuffer *h) {
+DUK_INTERNAL void duk_free_hbuffer(duk_heap *heap, duk_hbuffer *h) {
DUK_ASSERT(heap != NULL);
DUK_ASSERT(h != NULL);
@@ -40934,9 +43494,10 @@ DUK_INTERNAL void duk_free_hbuffer_inner(duk_heap *heap, duk_hbuffer *h) {
DUK_DDD(DUK_DDDPRINT("free dynamic buffer %p", (void *) DUK_HBUFFER_DYNAMIC_GET_DATA_PTR(heap, g)));
DUK_FREE(heap, DUK_HBUFFER_DYNAMIC_GET_DATA_PTR(heap, g));
}
+ DUK_FREE(heap, (void *) h);
}
-DUK_INTERNAL void duk_free_hstring_inner(duk_heap *heap, duk_hstring *h) {
+DUK_INTERNAL void duk_free_hstring(duk_heap *heap, duk_hstring *h) {
DUK_ASSERT(heap != NULL);
DUK_ASSERT(h != NULL);
@@ -40950,6 +43511,7 @@ DUK_INTERNAL void duk_free_hstring_inner(duk_heap *heap, duk_hstring *h) {
DUK_USE_EXTSTR_FREE(heap->heap_udata, (const void *) DUK_HSTRING_GET_EXTDATA((duk_hstring_external *) h));
}
#endif
+ DUK_FREE(heap, (void *) h);
}
DUK_INTERNAL void duk_heap_free_heaphdr_raw(duk_heap *heap, duk_heaphdr *hdr) {
@@ -40958,21 +43520,20 @@ DUK_INTERNAL void duk_heap_free_heaphdr_raw(duk_heap *heap, duk_heaphdr *hdr) {
DUK_DDD(DUK_DDDPRINT("free heaphdr %p, htype %ld", (void *) hdr, (long) DUK_HEAPHDR_GET_TYPE(hdr)));
- switch ((int) DUK_HEAPHDR_GET_TYPE(hdr)) {
+ switch (DUK_HEAPHDR_GET_TYPE(hdr)) {
case DUK_HTYPE_STRING:
- duk_free_hstring_inner(heap, (duk_hstring *) hdr);
+ duk_free_hstring(heap, (duk_hstring *) hdr);
break;
case DUK_HTYPE_OBJECT:
- duk_free_hobject_inner(heap, (duk_hobject *) hdr);
+ duk_free_hobject(heap, (duk_hobject *) hdr);
break;
case DUK_HTYPE_BUFFER:
- duk_free_hbuffer_inner(heap, (duk_hbuffer *) hdr);
+ duk_free_hbuffer(heap, (duk_hbuffer *) hdr);
break;
default:
DUK_UNREACHABLE();
}
- DUK_FREE(heap, hdr);
}
/*
@@ -41022,7 +43583,6 @@ DUK_LOCAL void duk__free_refzero_list(duk_heap *heap) {
}
#endif
-#if defined(DUK_USE_MARK_AND_SWEEP)
DUK_LOCAL void duk__free_markandsweep_finalize_list(duk_heap *heap) {
duk_heaphdr *curr;
duk_heaphdr *next;
@@ -41036,13 +43596,13 @@ DUK_LOCAL void duk__free_markandsweep_finalize_list(duk_heap *heap) {
curr = next;
}
}
-#endif
DUK_LOCAL void duk__free_stringtable(duk_heap *heap) {
/* strings are only tracked by stringtable */
duk_heap_free_strtab(heap);
}
+#if defined(DUK_USE_FINALIZER_SUPPORT)
DUK_LOCAL void duk__free_run_finalizers(duk_heap *heap) {
duk_hthread *thr;
duk_heaphdr *curr;
@@ -41057,9 +43617,7 @@ DUK_LOCAL void duk__free_run_finalizers(duk_heap *heap) {
#if defined(DUK_USE_REFERENCE_COUNTING)
DUK_ASSERT(heap->refzero_list == NULL); /* refzero not running -> must be empty */
#endif
-#if defined(DUK_USE_MARK_AND_SWEEP)
DUK_ASSERT(heap->finalize_list == NULL); /* mark-and-sweep not running -> must be empty */
-#endif
/* XXX: here again finalizer thread is the heap_thread which needs
* to be coordinated with finalizer thread fixes.
@@ -41136,6 +43694,7 @@ DUK_LOCAL void duk__free_run_finalizers(duk_heap *heap) {
DUK_ASSERT(DUK_HEAP_HAS_MARKANDSWEEP_RUNNING(heap));
DUK_HEAP_CLEAR_MARKANDSWEEP_RUNNING(heap);
}
+#endif /* DUK_USE_FINALIZER_SUPPORT */
DUK_INTERNAL void duk_heap_free(duk_heap *heap) {
DUK_D(DUK_DPRINT("free heap: %p", (void *) heap));
@@ -41164,7 +43723,6 @@ DUK_INTERNAL void duk_heap_free(duk_heap *heap) {
* XXX: this perhaps requires an execution time limit.
*/
DUK_D(DUK_DPRINT("execute finalizers before freeing heap"));
-#if defined(DUK_USE_MARK_AND_SWEEP)
/* Run mark-and-sweep a few times just in case (unreachable object
* finalizers run already here). The last round must rescue objects
* from the previous round without running any more finalizers. This
@@ -41179,10 +43737,11 @@ DUK_INTERNAL void duk_heap_free(duk_heap *heap) {
duk_heap_mark_and_sweep(heap, 0);
DUK_D(DUK_DPRINT("forced gc #3 in heap destruction (don't run finalizers)"));
duk_heap_mark_and_sweep(heap, DUK_MS_FLAG_SKIP_FINALIZERS); /* skip finalizers; queue finalizable objects to heap_allocated */
-#endif
+#if defined(DUK_USE_FINALIZER_SUPPORT)
DUK_HEAP_SET_FINALIZER_NORESCUE(heap); /* rescue no longer supported */
duk__free_run_finalizers(heap);
+#endif /* DUK_USE_FINALIZER_SUPPORT */
/* Note: heap->heap_thread, heap->curr_thread, and heap->heap_object
* are on the heap allocated list.
@@ -41196,10 +43755,8 @@ DUK_INTERNAL void duk_heap_free(duk_heap *heap) {
duk__free_refzero_list(heap);
#endif
-#if defined(DUK_USE_MARK_AND_SWEEP)
DUK_D(DUK_DPRINT("freeing mark-and-sweep finalize list of heap: %p", (void *) heap));
duk__free_markandsweep_finalize_list(heap);
-#endif
DUK_D(DUK_DPRINT("freeing string table of heap: %p", (void *) heap));
duk__free_stringtable(heap);
@@ -41240,10 +43797,11 @@ DUK_LOCAL duk_bool_t duk__init_heap_strings(duk_heap *heap) {
return 1;
}
#else /* DUK_USE_ROM_STRINGS */
+
DUK_LOCAL duk_bool_t duk__init_heap_strings(duk_heap *heap) {
duk_bitdecoder_ctx bd_ctx;
duk_bitdecoder_ctx *bd = &bd_ctx; /* convenience */
- duk_small_uint_t i, j;
+ duk_small_uint_t i;
DUK_MEMZERO(&bd_ctx, sizeof(bd_ctx));
bd->data = (const duk_uint8_t *) duk_strings_data;
@@ -41251,40 +43809,10 @@ DUK_LOCAL duk_bool_t duk__init_heap_strings(duk_heap *heap) {
for (i = 0; i < DUK_HEAP_NUM_STRINGS; i++) {
duk_uint8_t tmp[DUK_STRDATA_MAX_STRLEN];
- duk_hstring *h;
duk_small_uint_t len;
- duk_small_uint_t mode;
- duk_small_uint_t t;
+ duk_hstring *h;
- len = duk_bd_decode(bd, 5);
- mode = 32; /* 0 = uppercase, 32 = lowercase (= 'a' - 'A') */
- for (j = 0; j < len; j++) {
- t = duk_bd_decode(bd, 5);
- if (t < DUK__BITPACK_LETTER_LIMIT) {
- t = t + DUK_ASC_UC_A + mode;
- } else if (t == DUK__BITPACK_UNDERSCORE) {
- t = DUK_ASC_UNDERSCORE;
- } else if (t == DUK__BITPACK_FF) {
- /* Internal keys are prefixed with 0xFF in the stringtable
- * (which makes them invalid UTF-8 on purpose).
- */
- t = 0xff;
- } else if (t == DUK__BITPACK_SWITCH1) {
- t = duk_bd_decode(bd, 5);
- DUK_ASSERT_DISABLE(t >= 0); /* unsigned */
- DUK_ASSERT(t <= 25);
- t = t + DUK_ASC_UC_A + (mode ^ 32);
- } else if (t == DUK__BITPACK_SWITCH) {
- mode = mode ^ 32;
- t = duk_bd_decode(bd, 5);
- DUK_ASSERT_DISABLE(t >= 0);
- DUK_ASSERT(t <= 25);
- t = t + DUK_ASC_UC_A + mode;
- } else if (t == DUK__BITPACK_SEVENBIT) {
- t = duk_bd_decode(bd, 7);
- }
- tmp[j] = (duk_uint8_t) t;
- }
+ len = duk_bd_decode_bitpacked_string(bd, tmp);
/* No need to length check string: it will never exceed even
* the 16-bit length maximum.
@@ -41476,9 +44004,13 @@ DUK_LOCAL void duk__dump_type_sizes(void) {
DUK__DUMPSZ(duk_hstring);
DUK__DUMPSZ(duk_hstring_external);
DUK__DUMPSZ(duk_hobject);
- DUK__DUMPSZ(duk_hcompiledfunction);
- DUK__DUMPSZ(duk_hnativefunction);
+ DUK__DUMPSZ(duk_harray);
+ DUK__DUMPSZ(duk_hcompfunc);
+ DUK__DUMPSZ(duk_hnatfunc);
DUK__DUMPSZ(duk_hthread);
+#if defined(DUK_USE_BUFFEROBJECT_SUPPORT)
+ DUK__DUMPSZ(duk_hbufobj);
+#endif
DUK__DUMPSZ(duk_hbuffer);
DUK__DUMPSZ(duk_hbuffer_fixed);
DUK__DUMPSZ(duk_hbuffer_dynamic);
@@ -41552,11 +44084,6 @@ DUK_LOCAL void duk__dump_type_limits(void) {
DUK__DUMPLM_SIGNED(SMALL_INT_FAST);
DUK__DUMPLM_UNSIGNED(SMALL_UINT_FAST);
}
-#undef DUK__DUMPSZ
-#undef DUK__DUMPLM_SIGNED_RAW
-#undef DUK__DUMPLM_UNSIGNED_RAW
-#undef DUK__DUMPLM_SIGNED
-#undef DUK__DUMPLM_UNSIGNED
DUK_LOCAL void duk__dump_misc_options(void) {
DUK_D(DUK_DPRINT("DUK_VERSION: %ld", (long) DUK_VERSION));
@@ -41564,6 +44091,7 @@ DUK_LOCAL void duk__dump_misc_options(void) {
DUK_D(DUK_DPRINT("OS string: %s", DUK_USE_OS_STRING));
DUK_D(DUK_DPRINT("architecture string: %s", DUK_USE_ARCH_STRING));
DUK_D(DUK_DPRINT("compiler string: %s", DUK_USE_COMPILER_STRING));
+ DUK_D(DUK_DPRINT("debug level: %ld", (long) DUK_USE_DEBUG_LEVEL));
#if defined(DUK_USE_PACKED_TVAL)
DUK_D(DUK_DPRINT("DUK_USE_PACKED_TVAL: yes"));
#else
@@ -41603,9 +44131,6 @@ duk_heap *duk_heap_alloc(duk_alloc_function alloc_func,
duk_fatal_function fatal_func) {
duk_heap *res = NULL;
- /* Silence a few global unused warnings here. */
- DUK_UNREF(duk_str_unsupported);
-
DUK_D(DUK_DPRINT("allocate heap"));
/*
@@ -41619,15 +44144,35 @@ duk_heap *duk_heap_alloc(duk_alloc_function alloc_func,
#endif
/*
- * If selftests enabled, run them as early as possible
+ * If selftests enabled, run them as early as possible.
*/
+
#if defined(DUK_USE_SELF_TESTS)
- DUK_D(DUK_DPRINT("running self tests"));
- duk_selftest_run_tests();
- DUK_D(DUK_DPRINT("self tests passed"));
+ if (duk_selftest_run_tests(alloc_func, realloc_func, free_func, heap_udata) > 0) {
+ fatal_func(heap_udata, "self test(s) failed");
+ }
#endif
/*
+ * Important assert-like checks that should be enabled even
+ * when assertions are otherwise not enabled.
+ */
+
+#if defined(DUK_USE_EXEC_REGCONST_OPTIMIZE)
+ /* Can't check sizeof() using preprocessor so explicit check.
+ * This will be optimized away in practice; unfortunately a
+ * warning is generated on some compilers as a result.
+ */
+#if defined(DUK_USE_PACKED_TVAL)
+ if (sizeof(duk_tval) != 8) {
+#else
+ if (sizeof(duk_tval) != 16) {
+#endif
+ fatal_func(heap_udata, "sizeof(duk_tval) not 8 or 16, cannot use DUK_USE_EXEC_REGCONST_OPTIMIZE option");
+ }
+#endif /* DUK_USE_EXEC_REGCONST_OPTIMIZE */
+
+ /*
* Computed values (e.g. INFINITY)
*/
@@ -41681,9 +44226,7 @@ duk_heap *duk_heap_alloc(duk_alloc_function alloc_func,
res->refzero_list = NULL;
res->refzero_list_tail = NULL;
#endif
-#if defined(DUK_USE_MARK_AND_SWEEP)
res->finalize_list = NULL;
-#endif
res->heap_thread = NULL;
res->curr_thread = NULL;
res->heap_object = NULL;
@@ -41741,7 +44284,7 @@ duk_heap *duk_heap_alloc(duk_alloc_function alloc_func,
/* XXX: use the pointer as a seed for now: mix in time at least */
- /* The casts through duk_intr_pt is to avoid the following GCC warning:
+ /* The casts through duk_intptr_t is to avoid the following GCC warning:
*
* warning: cast from pointer to integer of different size [-Wpointer-to-int-cast]
*
@@ -41753,7 +44296,6 @@ duk_heap *duk_heap_alloc(duk_alloc_function alloc_func,
res->hash_seed = (duk_uint32_t) DUK__FIXED_HASH_SEED;
#else /* DUK_USE_ROM_STRINGS */
res->hash_seed = (duk_uint32_t) (duk_intptr_t) res;
- res->rnd_state = (duk_uint32_t) (duk_intptr_t) res;
#if !defined(DUK_USE_STRHASH_DENSE)
res->hash_seed ^= 5381; /* Bernstein hash init value is normally 5381; XOR it in in case pointer low bits are 0 */
#endif
@@ -41880,6 +44422,48 @@ duk_heap *duk_heap_alloc(duk_alloc_function alloc_func,
DUK_HOBJECT_INCREF(res->heap_thread, res->heap_object);
/*
+ * Odds and ends depending on the heap thread
+ */
+
+#if !defined(DUK_USE_GET_RANDOM_DOUBLE)
+#if defined(DUK_USE_PREFER_SIZE) || !defined(DUK_USE_64BIT_OPS)
+ res->rnd_state = (duk_uint32_t) DUK_USE_DATE_GET_NOW((duk_context *) res->heap_thread);
+ duk_util_tinyrandom_prepare_seed(res->heap_thread);
+#else
+ res->rnd_state[0] = (duk_uint64_t) DUK_USE_DATE_GET_NOW((duk_context *) res->heap_thread);
+ DUK_ASSERT(res->rnd_state[1] == 0); /* Not filled here, filled in by seed preparation. */
+#if 0 /* Manual test values matching misc/xoroshiro128plus_test.c. */
+ res->rnd_state[0] = 0xdeadbeef12345678ULL;
+ res->rnd_state[1] = 0xcafed00d12345678ULL;
+#endif
+ duk_util_tinyrandom_prepare_seed(res->heap_thread);
+ /* Mix in heap pointer: this ensures that if two Duktape heaps are
+ * created on the same millisecond, they get a different PRNG
+ * sequence (unless e.g. virtual memory addresses cause also the
+ * heap object pointer to be the same).
+ */
+ {
+ duk_uint64_t tmp_u64;
+ tmp_u64 = 0;
+ DUK_MEMCPY((void *) &tmp_u64,
+ (const void *) &res,
+ (size_t) (sizeof(void *) >= sizeof(duk_uint64_t) ? sizeof(duk_uint64_t) : sizeof(void *)));
+ res->rnd_state[1] ^= tmp_u64;
+ }
+ do {
+ duk_small_uint_t i;
+ for (i = 0; i < 10; i++) {
+ /* Throw away a few initial random numbers just in
+ * case. Probably unnecessary due to SplitMix64
+ * preparation.
+ */
+ (void) duk_util_tinyrandom_get_double(res->heap_thread);
+ }
+ } while (0);
+#endif
+#endif
+
+ /*
* All done
*/
@@ -41901,14 +44485,13 @@ duk_heap *duk_heap_alloc(duk_alloc_function alloc_func,
return NULL;
}
-#undef DUK__BITPACK_LETTER_LIMIT
-#undef DUK__BITPACK_UNDERSCORE
-#undef DUK__BITPACK_FF
-#undef DUK__BITPACK_SWITCH1
-#undef DUK__BITPACK_SWITCH
-#undef DUK__BITPACK_SEVENBIT
+/* automatic undefs */
+#undef DUK__DUMPLM_SIGNED
+#undef DUK__DUMPLM_SIGNED_RAW
+#undef DUK__DUMPLM_UNSIGNED
+#undef DUK__DUMPLM_UNSIGNED_RAW
+#undef DUK__DUMPSZ
#undef DUK__FIXED_HASH_SEED
-#line 1 "duk_heap_hashstring.c"
/*
* String hash computation (interning).
*
@@ -41924,11 +44507,11 @@ duk_heap *duk_heap_alloc(duk_alloc_function alloc_func,
* with real world inputs). Unless the hash is cryptographic, it's always
* possible to craft inputs with maximal hash collisions.
*
- * NOTE: The hash algorithms must match src/dukutil.py:duk_heap_hashstring()
+ * NOTE: The hash algorithms must match tools/dukutil.py:duk_heap_hashstring()
* for ROM string support!
*/
-/* include removed: duk_internal.h */
+/* #include duk_internal.h -> already included */
#if defined(DUK_USE_STRHASH_DENSE)
/* Constants for duk_hashstring(). */
@@ -41991,10 +44574,6 @@ DUK_INTERNAL duk_uint32_t duk_heap_hashstring(duk_heap *heap, const duk_uint8_t
#endif
return hash;
}
-
-#undef DUK__STRHASH_SHORTSTRING
-#undef DUK__STRHASH_MEDIUMSTRING
-#undef DUK__STRHASH_BLOCKSIZE
#else /* DUK_USE_STRHASH_DENSE */
DUK_INTERNAL duk_uint32_t duk_heap_hashstring(duk_heap *heap, const duk_uint8_t *str, duk_size_t len) {
duk_uint32_t hash;
@@ -42029,14 +44608,16 @@ DUK_INTERNAL duk_uint32_t duk_heap_hashstring(duk_heap *heap, const duk_uint8_t
return hash;
}
#endif /* DUK_USE_STRHASH_DENSE */
-#line 1 "duk_heap_markandsweep.c"
+
+/* automatic undefs */
+#undef DUK__STRHASH_BLOCKSIZE
+#undef DUK__STRHASH_MEDIUMSTRING
+#undef DUK__STRHASH_SHORTSTRING
/*
* Mark-and-sweep garbage collection.
*/
-/* include removed: duk_internal.h */
-
-#ifdef DUK_USE_MARK_AND_SWEEP
+/* #include duk_internal.h -> already included */
DUK_LOCAL_DECL void duk__mark_heaphdr(duk_heap *heap, duk_heaphdr *h);
DUK_LOCAL_DECL void duk__mark_tval(duk_heap *heap, duk_tval *tv);
@@ -42101,8 +44682,13 @@ DUK_LOCAL void duk__mark_hobject(duk_heap *heap, duk_hobject *h) {
duk__mark_heaphdr(heap, (duk_heaphdr *) DUK_HOBJECT_GET_PROTOTYPE(heap, h));
- if (DUK_HOBJECT_IS_COMPILEDFUNCTION(h)) {
- duk_hcompiledfunction *f = (duk_hcompiledfunction *) h;
+ /* XXX: rearrange bits to allow a switch case to be used here? */
+ /* XXX: add a fast path for objects (and arrays)? */
+ /* DUK_HOBJECT_IS_ARRAY(h): needs no special handling now as there are
+ * no extra fields in need of marking.
+ */
+ if (DUK_HOBJECT_IS_COMPFUNC(h)) {
+ duk_hcompfunc *f = (duk_hcompfunc *) h;
duk_tval *tv, *tv_end;
duk_hobject **fn, **fn_end;
@@ -42110,33 +44696,38 @@ DUK_LOCAL void duk__mark_hobject(duk_heap *heap, duk_hobject *h) {
* contains a reference.
*/
- duk__mark_heaphdr(heap, (duk_heaphdr *) DUK_HCOMPILEDFUNCTION_GET_DATA(heap, f));
+ duk__mark_heaphdr(heap, (duk_heaphdr *) DUK_HCOMPFUNC_GET_DATA(heap, f));
+ duk__mark_heaphdr(heap, (duk_heaphdr *) DUK_HCOMPFUNC_GET_LEXENV(heap, f));
+ duk__mark_heaphdr(heap, (duk_heaphdr *) DUK_HCOMPFUNC_GET_VARENV(heap, f));
- if (DUK_HCOMPILEDFUNCTION_GET_DATA(heap, f) != NULL) {
- tv = DUK_HCOMPILEDFUNCTION_GET_CONSTS_BASE(heap, f);
- tv_end = DUK_HCOMPILEDFUNCTION_GET_CONSTS_END(heap, f);
+ if (DUK_HCOMPFUNC_GET_DATA(heap, f) != NULL) {
+ tv = DUK_HCOMPFUNC_GET_CONSTS_BASE(heap, f);
+ tv_end = DUK_HCOMPFUNC_GET_CONSTS_END(heap, f);
while (tv < tv_end) {
duk__mark_tval(heap, tv);
tv++;
}
- fn = DUK_HCOMPILEDFUNCTION_GET_FUNCS_BASE(heap, f);
- fn_end = DUK_HCOMPILEDFUNCTION_GET_FUNCS_END(heap, f);
+ fn = DUK_HCOMPFUNC_GET_FUNCS_BASE(heap, f);
+ fn_end = DUK_HCOMPFUNC_GET_FUNCS_END(heap, f);
while (fn < fn_end) {
duk__mark_heaphdr(heap, (duk_heaphdr *) *fn);
fn++;
}
} else {
/* May happen in some out-of-memory corner cases. */
- DUK_D(DUK_DPRINT("duk_hcompiledfunction 'data' is NULL, skipping marking"));
+ DUK_D(DUK_DPRINT("duk_hcompfunc 'data' is NULL, skipping marking"));
}
- } else if (DUK_HOBJECT_IS_NATIVEFUNCTION(h)) {
- duk_hnativefunction *f = (duk_hnativefunction *) h;
+ } else if (DUK_HOBJECT_IS_NATFUNC(h)) {
+ duk_hnatfunc *f = (duk_hnatfunc *) h;
DUK_UNREF(f);
/* nothing to mark */
- } else if (DUK_HOBJECT_IS_BUFFEROBJECT(h)) {
- duk_hbufferobject *b = (duk_hbufferobject *) h;
+#if defined(DUK_USE_BUFFEROBJECT_SUPPORT)
+ } else if (DUK_HOBJECT_IS_BUFOBJ(h)) {
+ duk_hbufobj *b = (duk_hbufobj *) h;
duk__mark_heaphdr(heap, (duk_heaphdr *) b->buf);
+ duk__mark_heaphdr(heap, (duk_heaphdr *) b->buf_prop);
+#endif /* DUK_USE_BUFFEROBJECT_SUPPORT */
} else if (DUK_HOBJECT_IS_THREAD(h)) {
duk_hthread *t = (duk_hthread *) h;
duk_tval *tv;
@@ -42152,7 +44743,7 @@ DUK_LOCAL void duk__mark_hobject(duk_heap *heap, duk_hobject *h) {
duk__mark_heaphdr(heap, (duk_heaphdr *) DUK_ACT_GET_FUNC(act));
duk__mark_heaphdr(heap, (duk_heaphdr *) act->var_env);
duk__mark_heaphdr(heap, (duk_heaphdr *) act->lex_env);
-#ifdef DUK_USE_NONSTD_FUNC_CALLER_PROPERTY
+#if defined(DUK_USE_NONSTD_FUNC_CALLER_PROPERTY)
duk__mark_heaphdr(heap, (duk_heaphdr *) act->prev_caller);
#endif
}
@@ -42202,7 +44793,7 @@ DUK_LOCAL void duk__mark_heaphdr(duk_heap *heap, duk_heaphdr *h) {
heap->mark_and_sweep_recursion_depth++;
- switch ((int) DUK_HEAPHDR_GET_TYPE(h)) {
+ switch (DUK_HEAPHDR_GET_TYPE(h)) {
case DUK_HTYPE_STRING:
duk__mark_hstring(heap, (duk_hstring *) h);
break;
@@ -42268,7 +44859,7 @@ DUK_LOCAL void duk__mark_roots_heap(duk_heap *heap) {
* freed in mark-and-sweep.
*/
-#ifdef DUK_USE_REFERENCE_COUNTING
+#if defined(DUK_USE_REFERENCE_COUNTING)
DUK_LOCAL void duk__mark_refzero_list(duk_heap *heap) {
duk_heaphdr *hdr;
@@ -42294,6 +44885,7 @@ DUK_LOCAL void duk__mark_refzero_list(duk_heap *heap) {
* roots; otherwise circular references might be handled inconsistently.
*/
+#if defined(DUK_USE_FINALIZER_SUPPORT)
DUK_LOCAL void duk__mark_finalizable(duk_heap *heap) {
duk_hthread *thr;
duk_heaphdr *hdr;
@@ -42354,15 +44946,17 @@ DUK_LOCAL void duk__mark_finalizable(duk_heap *heap) {
/* Caller will finish the marking process if we hit a recursion limit. */
}
+#endif /* DUK_USE_FINALIZER_SUPPORT */
/*
* Mark objects on finalize_list.
*
*/
+#if defined(DUK_USE_FINALIZER_SUPPORT)
DUK_LOCAL void duk__mark_finalize_list(duk_heap *heap) {
duk_heaphdr *hdr;
-#ifdef DUK_USE_DEBUG
+#if defined(DUK_USE_DEBUG)
duk_size_t count_finalize_list = 0;
#endif
@@ -42372,18 +44966,19 @@ DUK_LOCAL void duk__mark_finalize_list(duk_heap *heap) {
while (hdr) {
duk__mark_heaphdr(heap, hdr);
hdr = DUK_HEAPHDR_GET_NEXT(heap, hdr);
-#ifdef DUK_USE_DEBUG
+#if defined(DUK_USE_DEBUG)
count_finalize_list++;
#endif
}
-#ifdef DUK_USE_DEBUG
+#if defined(DUK_USE_DEBUG)
if (count_finalize_list > 0) {
DUK_D(DUK_DPRINT("marked %ld objects on the finalize_list as reachable (previous finalizer run skipped)",
(long) count_finalize_list));
}
#endif
}
+#endif /* DUK_USE_FINALIZER_SUPPORT */
/*
* Fallback marking handler if recursion limit is reached.
@@ -42399,7 +44994,7 @@ DUK_LOCAL void duk__mark_finalize_list(duk_heap *heap) {
* intended behavior.
*/
-#ifdef DUK_USE_DEBUG
+#if defined(DUK_USE_DEBUG)
DUK_LOCAL void duk__handle_temproot(duk_heap *heap, duk_heaphdr *hdr, duk_size_t *count) {
#else
DUK_LOCAL void duk__handle_temproot(duk_heap *heap, duk_heaphdr *hdr) {
@@ -42414,14 +45009,14 @@ DUK_LOCAL void duk__handle_temproot(duk_heap *heap, duk_heaphdr *hdr) {
DUK_HEAPHDR_CLEAR_REACHABLE(hdr); /* done so that duk__mark_heaphdr() works correctly */
duk__mark_heaphdr(heap, hdr);
-#ifdef DUK_USE_DEBUG
+#if defined(DUK_USE_DEBUG)
(*count)++;
#endif
}
DUK_LOCAL void duk__mark_temproots_by_heap_scan(duk_heap *heap) {
duk_heaphdr *hdr;
-#ifdef DUK_USE_DEBUG
+#if defined(DUK_USE_DEBUG)
duk_size_t count;
#endif
@@ -42430,14 +45025,14 @@ DUK_LOCAL void duk__mark_temproots_by_heap_scan(duk_heap *heap) {
while (DUK_HEAP_HAS_MARKANDSWEEP_RECLIMIT_REACHED(heap)) {
DUK_DD(DUK_DDPRINT("recursion limit reached, doing heap scan to continue from temproots"));
-#ifdef DUK_USE_DEBUG
+#if defined(DUK_USE_DEBUG)
count = 0;
#endif
DUK_HEAP_CLEAR_MARKANDSWEEP_RECLIMIT_REACHED(heap);
hdr = heap->heap_allocated;
while (hdr) {
-#ifdef DUK_USE_DEBUG
+#if defined(DUK_USE_DEBUG)
duk__handle_temproot(heap, hdr, &count);
#else
duk__handle_temproot(heap, hdr);
@@ -42446,10 +45041,10 @@ DUK_LOCAL void duk__mark_temproots_by_heap_scan(duk_heap *heap) {
}
/* must also check refzero_list */
-#ifdef DUK_USE_REFERENCE_COUNTING
+#if defined(DUK_USE_REFERENCE_COUNTING)
hdr = heap->refzero_list;
while (hdr) {
-#ifdef DUK_USE_DEBUG
+#if defined(DUK_USE_DEBUG)
duk__handle_temproot(heap, hdr, &count);
#else
duk__handle_temproot(heap, hdr);
@@ -42458,7 +45053,7 @@ DUK_LOCAL void duk__mark_temproots_by_heap_scan(duk_heap *heap) {
}
#endif /* DUK_USE_REFERENCE_COUNTING */
-#ifdef DUK_USE_DEBUG
+#if defined(DUK_USE_DEBUG)
DUK_DD(DUK_DDPRINT("temproot mark heap scan processed %ld temp roots", (long) count));
#endif
}
@@ -42473,7 +45068,7 @@ DUK_LOCAL void duk__mark_temproots_by_heap_scan(duk_heap *heap) {
* identically to duk__sweep_heap().
*/
-#ifdef DUK_USE_REFERENCE_COUNTING
+#if defined(DUK_USE_REFERENCE_COUNTING)
DUK_LOCAL void duk__finalize_refcounts(duk_heap *heap) {
duk_hthread *thr;
duk_heaphdr *hdr;
@@ -42510,7 +45105,7 @@ DUK_LOCAL void duk__finalize_refcounts(duk_heap *heap) {
* Clear (reachable) flags of refzero work list.
*/
-#ifdef DUK_USE_REFERENCE_COUNTING
+#if defined(DUK_USE_REFERENCE_COUNTING)
DUK_LOCAL void duk__clear_refzero_list_flags(duk_heap *heap) {
duk_heaphdr *hdr;
@@ -42520,7 +45115,7 @@ DUK_LOCAL void duk__clear_refzero_list_flags(duk_heap *heap) {
while (hdr) {
DUK_HEAPHDR_CLEAR_REACHABLE(hdr);
DUK_ASSERT(!DUK_HEAPHDR_HAS_FINALIZABLE(hdr));
- DUK_ASSERT(!DUK_HEAPHDR_HAS_FINALIZED(hdr));
+ /* DUK_HEAPHDR_HAS_FINALIZED may or may not be set. */
DUK_ASSERT(!DUK_HEAPHDR_HAS_TEMPROOT(hdr));
hdr = DUK_HEAPHDR_GET_NEXT(heap, hdr);
}
@@ -42538,6 +45133,7 @@ DUK_LOCAL void duk__clear_refzero_list_flags(duk_heap *heap) {
* here. (This now overlaps with the sweep handling in a harmless way.)
*/
+#if defined(DUK_USE_FINALIZER_SUPPORT)
DUK_LOCAL void duk__clear_finalize_list_flags(duk_heap *heap) {
duk_heaphdr *hdr;
@@ -42552,6 +45148,7 @@ DUK_LOCAL void duk__clear_finalize_list_flags(duk_heap *heap) {
hdr = DUK_HEAPHDR_GET_NEXT(heap, hdr);
}
}
+#endif /* DUK_USE_FINALIZER_SUPPORT */
/*
* Sweep stringtable
@@ -42587,8 +45184,7 @@ DUK_LOCAL void duk__sweep_string_chain16(duk_heap *heap, duk_uint16_t *slot, duk
/* free inner references (these exist e.g. when external
* strings are enabled)
*/
- duk_free_hstring_inner(heap, h);
- DUK_FREE(heap, h);
+ duk_free_hstring(heap, h);
(*count_free)++;
}
}
@@ -42615,8 +45211,7 @@ DUK_LOCAL void duk__sweep_string_chain(duk_heap *heap, duk_hstring **slot, duk_s
/* free inner references (these exist e.g. when external
* strings are enabled)
*/
- duk_free_hstring_inner(heap, h);
- DUK_FREE(heap, h);
+ duk_free_hstring(heap, h);
(*count_free)++;
}
}
@@ -42676,7 +45271,7 @@ DUK_LOCAL void duk__sweep_stringtable_chain(duk_heap *heap, duk_size_t *out_coun
DUK_LOCAL void duk__sweep_stringtable_probe(duk_heap *heap, duk_size_t *out_count_keep) {
duk_hstring *h;
duk_uint_fast32_t i;
-#ifdef DUK_USE_DEBUG
+#if defined(DUK_USE_DEBUG)
duk_size_t count_free = 0;
#endif
duk_size_t count_keep = 0;
@@ -42697,7 +45292,7 @@ DUK_LOCAL void duk__sweep_stringtable_probe(duk_heap *heap, duk_size_t *out_coun
continue;
}
-#ifdef DUK_USE_DEBUG
+#if defined(DUK_USE_DEBUG)
count_free++;
#endif
@@ -42726,15 +45321,12 @@ DUK_LOCAL void duk__sweep_stringtable_probe(duk_heap *heap, duk_size_t *out_coun
#endif
/* free inner references (these exist e.g. when external
- * strings are enabled)
+ * strings are enabled) and the struct itself.
*/
- duk_free_hstring_inner(heap, (duk_hstring *) h);
-
- /* finally free the struct itself */
- DUK_FREE(heap, h);
+ duk_free_hstring(heap, (duk_hstring *) h);
}
-#ifdef DUK_USE_DEBUG
+#if defined(DUK_USE_DEBUG)
DUK_D(DUK_DPRINT("mark-and-sweep sweep stringtable: %ld freed, %ld kept",
(long) count_free, (long) count_keep));
#endif
@@ -42750,7 +45342,7 @@ DUK_LOCAL void duk__sweep_heap(duk_heap *heap, duk_int_t flags, duk_size_t *out_
duk_heaphdr *prev; /* last element that was left in the heap */
duk_heaphdr *curr;
duk_heaphdr *next;
-#ifdef DUK_USE_DEBUG
+#if defined(DUK_USE_DEBUG)
duk_size_t count_free = 0;
duk_size_t count_finalize = 0;
duk_size_t count_rescue = 0;
@@ -42789,7 +45381,7 @@ DUK_LOCAL void duk__sweep_heap(duk_heap *heap, duk_int_t flags, duk_size_t *out_
DUK_ASSERT(DUK_HEAPHDR_GET_TYPE(curr) == DUK_HTYPE_OBJECT);
DUK_DDD(DUK_DDDPRINT("object has finalizer, move to finalization work list: %p", (void *) curr));
-#ifdef DUK_USE_DOUBLE_LINKED_HEAP
+#if defined(DUK_USE_DOUBLE_LINKED_HEAP)
if (heap->finalize_list) {
DUK_HEAPHDR_SET_PREV(heap, heap->finalize_list, curr);
}
@@ -42798,7 +45390,7 @@ DUK_LOCAL void duk__sweep_heap(duk_heap *heap, duk_int_t flags, duk_size_t *out_
DUK_HEAPHDR_SET_NEXT(heap, curr, heap->finalize_list);
DUK_ASSERT_HEAPHDR_LINKS(heap, curr);
heap->finalize_list = curr;
-#ifdef DUK_USE_DEBUG
+#if defined(DUK_USE_DEBUG)
count_finalize++;
#endif
} else {
@@ -42815,7 +45407,7 @@ DUK_LOCAL void duk__sweep_heap(duk_heap *heap, duk_int_t flags, duk_size_t *out_
DUK_ASSERT(!DUK_HEAPHDR_HAS_FINALIZABLE(curr));
DUK_ASSERT(DUK_HEAPHDR_GET_TYPE(curr) == DUK_HTYPE_OBJECT);
DUK_DD(DUK_DDPRINT("object rescued during mark-and-sweep finalization: %p", (void *) curr));
-#ifdef DUK_USE_DEBUG
+#if defined(DUK_USE_DEBUG)
count_rescue++;
#endif
} else {
@@ -42832,7 +45424,7 @@ DUK_LOCAL void duk__sweep_heap(duk_heap *heap, duk_int_t flags, duk_size_t *out_
if (prev) {
DUK_HEAPHDR_SET_NEXT(heap, prev, curr);
}
-#ifdef DUK_USE_DOUBLE_LINKED_HEAP
+#if defined(DUK_USE_DOUBLE_LINKED_HEAP)
DUK_HEAPHDR_SET_PREV(heap, curr, prev);
#endif
DUK_ASSERT_HEAPHDR_LINKS(heap, prev);
@@ -42874,7 +45466,7 @@ DUK_LOCAL void duk__sweep_heap(duk_heap *heap, duk_int_t flags, duk_size_t *out_
* and are handled above.
*/
-#ifdef DUK_USE_DEBUG
+#if defined(DUK_USE_DEBUG)
count_free++;
#endif
@@ -42893,7 +45485,7 @@ DUK_LOCAL void duk__sweep_heap(duk_heap *heap, duk_int_t flags, duk_size_t *out_
}
DUK_ASSERT_HEAPHDR_LINKS(heap, prev);
-#ifdef DUK_USE_DEBUG
+#if defined(DUK_USE_DEBUG)
DUK_D(DUK_DPRINT("mark-and-sweep sweep objects (non-string): %ld freed, %ld kept, %ld rescued, %ld queued for finalization",
(long) count_free, (long) count_keep, (long) count_rescue, (long) count_finalize));
#endif
@@ -42904,10 +45496,11 @@ DUK_LOCAL void duk__sweep_heap(duk_heap *heap, duk_int_t flags, duk_size_t *out_
* Run (object) finalizers in the "to be finalized" work list.
*/
+#if defined(DUK_USE_FINALIZER_SUPPORT)
DUK_LOCAL void duk__run_object_finalizers(duk_heap *heap, duk_small_uint_t flags) {
duk_heaphdr *curr;
duk_heaphdr *next;
-#ifdef DUK_USE_DEBUG
+#if defined(DUK_USE_DEBUG)
duk_size_t count = 0;
#endif
duk_hthread *thr;
@@ -42928,6 +45521,12 @@ DUK_LOCAL void duk__run_object_finalizers(duk_heap *heap, duk_small_uint_t flags
DUK_ASSERT(!DUK_HEAPHDR_HAS_FINALIZED(curr));
DUK_ASSERT(!DUK_HEAPHDR_HAS_READONLY(curr)); /* No finalizers for ROM objects */
+ /* Keep heap->finalize_list up-to-date during the list walk.
+ * This has no functional impact, but does matter e.g. for
+ * duk_push_heapptr() asserts when assertions are enabled.
+ */
+ heap->finalize_list = curr;
+
if (DUK_LIKELY((flags & DUK_MS_FLAG_SKIP_FINALIZERS) == 0)) {
/* Run the finalizer, duk_hobject_run_finalizer() sets FINALIZED.
* Next mark-and-sweep will collect the object unless it has
@@ -42936,6 +45535,10 @@ DUK_LOCAL void duk__run_object_finalizers(duk_heap *heap, duk_small_uint_t flags
*/
duk_hobject_run_finalizer(thr, (duk_hobject *) curr); /* must never longjmp */
DUK_ASSERT(DUK_HEAPHDR_HAS_FINALIZED(curr));
+
+ /* XXX: could clear FINALIZED already here; now cleared in
+ * next mark-and-sweep.
+ */
} else {
/* Used during heap destruction: don't actually run finalizers
* because we're heading into forced finalization. Instead,
@@ -42950,7 +45553,7 @@ DUK_LOCAL void duk__run_object_finalizers(duk_heap *heap, duk_small_uint_t flags
DUK_HEAP_INSERT_INTO_HEAP_ALLOCATED(heap, curr);
curr = next;
-#ifdef DUK_USE_DEBUG
+#if defined(DUK_USE_DEBUG)
count++;
#endif
}
@@ -42958,10 +45561,11 @@ DUK_LOCAL void duk__run_object_finalizers(duk_heap *heap, duk_small_uint_t flags
/* finalize_list will always be processed completely */
heap->finalize_list = NULL;
-#ifdef DUK_USE_DEBUG
+#if defined(DUK_USE_DEBUG)
DUK_D(DUK_DPRINT("mark-and-sweep finalize objects: %ld finalizers called", (long) count));
#endif
}
+#endif /* DUK_USE_FINALIZER_SUPPORT */
/*
* Object compaction.
@@ -42969,22 +45573,23 @@ DUK_LOCAL void duk__run_object_finalizers(duk_heap *heap, duk_small_uint_t flags
* Compaction is assumed to never throw an error.
*/
-DUK_LOCAL int duk__protected_compact_object(duk_context *ctx) {
+DUK_LOCAL int duk__protected_compact_object(duk_context *ctx, void *udata) {
+ duk_hobject *obj;
/* XXX: for threads, compact value stack, call stack, catch stack? */
- duk_hobject *obj = duk_get_hobject(ctx, -1);
- DUK_ASSERT(obj != NULL);
+ DUK_UNREF(udata);
+ obj = duk_known_hobject(ctx, -1);
duk_hobject_compact_props((duk_hthread *) ctx, obj);
return 0;
}
-#ifdef DUK_USE_DEBUG
+#if defined(DUK_USE_DEBUG)
DUK_LOCAL void duk__compact_object_list(duk_heap *heap, duk_hthread *thr, duk_heaphdr *start, duk_size_t *p_count_check, duk_size_t *p_count_compact, duk_size_t *p_count_bytes_saved) {
#else
DUK_LOCAL void duk__compact_object_list(duk_heap *heap, duk_hthread *thr, duk_heaphdr *start) {
#endif
duk_heaphdr *curr;
-#ifdef DUK_USE_DEBUG
+#if defined(DUK_USE_DEBUG)
duk_size_t old_size, new_size;
#endif
duk_hobject *obj;
@@ -43000,7 +45605,7 @@ DUK_LOCAL void duk__compact_object_list(duk_heap *heap, duk_hthread *thr, duk_he
}
obj = (duk_hobject *) curr;
-#ifdef DUK_USE_DEBUG
+#if defined(DUK_USE_DEBUG)
old_size = DUK_HOBJECT_P_COMPUTE_SIZE(DUK_HOBJECT_GET_ESIZE(obj),
DUK_HOBJECT_GET_ASIZE(obj),
DUK_HOBJECT_GET_HSIZE(obj));
@@ -43009,22 +45614,22 @@ DUK_LOCAL void duk__compact_object_list(duk_heap *heap, duk_hthread *thr, duk_he
DUK_DD(DUK_DDPRINT("compact object: %p", (void *) obj));
duk_push_hobject((duk_context *) thr, obj);
/* XXX: disable error handlers for duration of compaction? */
- duk_safe_call((duk_context *) thr, duk__protected_compact_object, 1, 0);
+ duk_safe_call((duk_context *) thr, duk__protected_compact_object, NULL, 1, 0);
-#ifdef DUK_USE_DEBUG
+#if defined(DUK_USE_DEBUG)
new_size = DUK_HOBJECT_P_COMPUTE_SIZE(DUK_HOBJECT_GET_ESIZE(obj),
DUK_HOBJECT_GET_ASIZE(obj),
DUK_HOBJECT_GET_HSIZE(obj));
#endif
-#ifdef DUK_USE_DEBUG
+#if defined(DUK_USE_DEBUG)
(*p_count_compact)++;
(*p_count_bytes_saved) += (duk_size_t) (old_size - new_size);
#endif
next:
curr = DUK_HEAPHDR_GET_NEXT(heap, curr);
-#ifdef DUK_USE_DEBUG
+#if defined(DUK_USE_DEBUG)
(*p_count_check)++;
#endif
}
@@ -43032,7 +45637,7 @@ DUK_LOCAL void duk__compact_object_list(duk_heap *heap, duk_hthread *thr, duk_he
DUK_LOCAL void duk__compact_objects(duk_heap *heap) {
/* XXX: which lists should participate? to be finalized? */
-#ifdef DUK_USE_DEBUG
+#if defined(DUK_USE_DEBUG)
duk_size_t count_check = 0;
duk_size_t count_compact = 0;
duk_size_t count_bytes_saved = 0;
@@ -43044,21 +45649,21 @@ DUK_LOCAL void duk__compact_objects(duk_heap *heap) {
thr = duk__get_temp_hthread(heap);
DUK_ASSERT(thr != NULL);
-#ifdef DUK_USE_DEBUG
+#if defined(DUK_USE_DEBUG)
duk__compact_object_list(heap, thr, heap->heap_allocated, &count_check, &count_compact, &count_bytes_saved);
duk__compact_object_list(heap, thr, heap->finalize_list, &count_check, &count_compact, &count_bytes_saved);
-#ifdef DUK_USE_REFERENCE_COUNTING
+#if defined(DUK_USE_REFERENCE_COUNTING)
duk__compact_object_list(heap, thr, heap->refzero_list, &count_check, &count_compact, &count_bytes_saved);
#endif
#else
duk__compact_object_list(heap, thr, heap->heap_allocated);
duk__compact_object_list(heap, thr, heap->finalize_list);
-#ifdef DUK_USE_REFERENCE_COUNTING
+#if defined(DUK_USE_REFERENCE_COUNTING)
duk__compact_object_list(heap, thr, heap->refzero_list);
#endif
#endif
-#ifdef DUK_USE_DEBUG
+#if defined(DUK_USE_DEBUG)
DUK_D(DUK_DPRINT("mark-and-sweep compact objects: %ld checked, %ld compaction attempts, %ld bytes saved by compaction",
(long) count_check, (long) count_compact, (long) count_bytes_saved));
#endif
@@ -43068,7 +45673,7 @@ DUK_LOCAL void duk__compact_objects(duk_heap *heap) {
* Assertion helpers.
*/
-#ifdef DUK_USE_ASSERTIONS
+#if defined(DUK_USE_ASSERTIONS)
DUK_LOCAL void duk__assert_heaphdr_flags(duk_heap *heap) {
duk_heaphdr *hdr;
@@ -43081,19 +45686,23 @@ DUK_LOCAL void duk__assert_heaphdr_flags(duk_heap *heap) {
hdr = DUK_HEAPHDR_GET_NEXT(heap, hdr);
}
-#ifdef DUK_USE_REFERENCE_COUNTING
+#if defined(DUK_USE_REFERENCE_COUNTING)
hdr = heap->refzero_list;
while (hdr) {
DUK_ASSERT(!DUK_HEAPHDR_HAS_REACHABLE(hdr));
DUK_ASSERT(!DUK_HEAPHDR_HAS_TEMPROOT(hdr));
DUK_ASSERT(!DUK_HEAPHDR_HAS_FINALIZABLE(hdr));
- DUK_ASSERT(!DUK_HEAPHDR_HAS_FINALIZED(hdr));
+ /* DUK_HEAPHDR_HAS_FINALIZED may be set if we're doing a
+ * refzero finalization and mark-and-sweep gets triggered
+ * during the finalizer.
+ */
+ /* DUK_HEAPHDR_HAS_FINALIZED may or may not be set. */
hdr = DUK_HEAPHDR_GET_NEXT(heap, hdr);
}
#endif /* DUK_USE_REFERENCE_COUNTING */
}
-#ifdef DUK_USE_REFERENCE_COUNTING
+#if defined(DUK_USE_REFERENCE_COUNTING)
DUK_LOCAL void duk__assert_valid_refcounts(duk_heap *heap) {
duk_heaphdr *hdr = heap->heap_allocated;
while (hdr) {
@@ -43130,6 +45739,7 @@ DUK_LOCAL void duk__assert_valid_refcounts(duk_heap *heap) {
* similar to one or more finalizers on actual objects.
*/
+#if defined(DUK_USE_FINALIZER_SUPPORT)
#if defined(DUK_USE_MARKANDSWEEP_FINALIZER_TORTURE)
DUK_LOCAL duk_ret_t duk__markandsweep_fake_finalizer(duk_context *ctx) {
DUK_D(DUK_DPRINT("fake mark-and-sweep torture finalizer executed"));
@@ -43170,6 +45780,7 @@ DUK_LOCAL void duk__markandsweep_torture_finalizer(duk_hthread *thr) {
duk_pop(ctx);
}
#endif /* DUK_USE_MARKANDSWEEP_FINALIZER_TORTURE */
+#endif /* DUK_USE_FINALIZER_SUPPORT */
/*
* Main mark-and-sweep function.
@@ -43184,10 +45795,15 @@ DUK_INTERNAL duk_bool_t duk_heap_mark_and_sweep(duk_heap *heap, duk_small_uint_t
duk_hthread *thr;
duk_size_t count_keep_obj;
duk_size_t count_keep_str;
-#ifdef DUK_USE_VOLUNTARY_GC
+#if defined(DUK_USE_VOLUNTARY_GC)
duk_size_t tmp;
#endif
+ if (DUK_HEAP_HAS_MARKANDSWEEP_RUNNING(heap)) {
+ DUK_D(DUK_DPRINT("refuse to do a recursive mark-and-sweep"));
+ return 0;
+ }
+
/* XXX: thread selection for mark-and-sweep is currently a hack.
* If we don't have a thread, the entire mark-and-sweep is now
* skipped (although we could just skip finalizations).
@@ -43202,7 +45818,7 @@ DUK_INTERNAL duk_bool_t duk_heap_mark_and_sweep(duk_heap *heap, duk_small_uint_t
DUK_D(DUK_DPRINT("gc skipped because we don't have a temp thread"));
/* reset voluntary gc trigger count */
-#ifdef DUK_USE_VOLUNTARY_GC
+#if defined(DUK_USE_VOLUNTARY_GC)
heap->mark_and_sweep_trigger_counter = DUK_HEAP_MARK_AND_SWEEP_TRIGGER_SKIP;
#endif
return 0; /* OK */
@@ -43233,12 +45849,12 @@ DUK_INTERNAL duk_bool_t duk_heap_mark_and_sweep(duk_heap *heap, duk_small_uint_t
* Assertions before
*/
-#ifdef DUK_USE_ASSERTIONS
+#if defined(DUK_USE_ASSERTIONS)
DUK_ASSERT(!DUK_HEAP_HAS_MARKANDSWEEP_RUNNING(heap));
DUK_ASSERT(!DUK_HEAP_HAS_MARKANDSWEEP_RECLIMIT_REACHED(heap));
DUK_ASSERT(heap->mark_and_sweep_recursion_depth == 0);
duk__assert_heaphdr_flags(heap);
-#ifdef DUK_USE_REFERENCE_COUNTING
+#if defined(DUK_USE_REFERENCE_COUNTING)
/* Note: DUK_HEAP_HAS_REFZERO_FREE_RUNNING(heap) may be true; a refcount
* finalizer may trigger a mark-and-sweep.
*/
@@ -43269,13 +45885,15 @@ DUK_INTERNAL duk_bool_t duk_heap_mark_and_sweep(duk_heap *heap, duk_small_uint_t
*/
duk__mark_roots_heap(heap); /* main reachability roots */
-#ifdef DUK_USE_REFERENCE_COUNTING
+#if defined(DUK_USE_REFERENCE_COUNTING)
duk__mark_refzero_list(heap); /* refzero_list treated as reachability roots */
#endif
duk__mark_temproots_by_heap_scan(heap); /* temproots */
+#if defined(DUK_USE_FINALIZER_SUPPORT)
duk__mark_finalizable(heap); /* mark finalizable as reachability roots */
duk__mark_finalize_list(heap); /* mark finalizer work list as reachability roots */
+#endif
duk__mark_temproots_by_heap_scan(heap); /* temproots */
/*
@@ -43294,7 +45912,7 @@ DUK_INTERNAL duk_bool_t duk_heap_mark_and_sweep(duk_heap *heap, duk_small_uint_t
/* XXX: more emergency behavior, e.g. find smaller hash sizes etc */
-#ifdef DUK_USE_REFERENCE_COUNTING
+#if defined(DUK_USE_REFERENCE_COUNTING)
duk__finalize_refcounts(heap);
#endif
duk__sweep_heap(heap, flags, &count_keep_obj);
@@ -43305,10 +45923,12 @@ DUK_INTERNAL duk_bool_t duk_heap_mark_and_sweep(duk_heap *heap, duk_small_uint_t
#else
#error internal error, invalid strtab options
#endif
-#ifdef DUK_USE_REFERENCE_COUNTING
+#if defined(DUK_USE_REFERENCE_COUNTING)
duk__clear_refzero_list_flags(heap);
#endif
+#if defined(DUK_USE_FINALIZER_SUPPORT)
duk__clear_finalize_list_flags(heap);
+#endif
/*
* Object compaction (emergency only).
@@ -43382,6 +46002,7 @@ DUK_INTERNAL duk_bool_t duk_heap_mark_and_sweep(duk_heap *heap, duk_small_uint_t
* already happened, this is probably good enough for now.
*/
+#if defined(DUK_USE_FINALIZER_SUPPORT)
#if defined(DUK_USE_MARKANDSWEEP_FINALIZER_TORTURE)
/* Cannot simulate individual finalizers because finalize_list only
* contains objects with actual finalizers. But simulate side effects
@@ -43403,6 +46024,7 @@ DUK_INTERNAL duk_bool_t duk_heap_mark_and_sweep(duk_heap *heap, duk_small_uint_t
} else {
duk__run_object_finalizers(heap, flags);
}
+#endif /* DUK_USE_FINALIZER_SUPPORT */
/*
* Finish
@@ -43414,12 +46036,12 @@ DUK_INTERNAL duk_bool_t duk_heap_mark_and_sweep(duk_heap *heap, duk_small_uint_t
* Assertions after
*/
-#ifdef DUK_USE_ASSERTIONS
+#if defined(DUK_USE_ASSERTIONS)
DUK_ASSERT(!DUK_HEAP_HAS_MARKANDSWEEP_RUNNING(heap));
DUK_ASSERT(!DUK_HEAP_HAS_MARKANDSWEEP_RECLIMIT_REACHED(heap));
DUK_ASSERT(heap->mark_and_sweep_recursion_depth == 0);
duk__assert_heaphdr_flags(heap);
-#ifdef DUK_USE_REFERENCE_COUNTING
+#if defined(DUK_USE_REFERENCE_COUNTING)
/* Note: DUK_HEAP_HAS_REFZERO_FREE_RUNNING(heap) may be true; a refcount
* finalizer may trigger a mark-and-sweep.
*/
@@ -43431,7 +46053,7 @@ DUK_INTERNAL duk_bool_t duk_heap_mark_and_sweep(duk_heap *heap, duk_small_uint_t
* Reset trigger counter
*/
-#ifdef DUK_USE_VOLUNTARY_GC
+#if defined(DUK_USE_VOLUNTARY_GC)
tmp = (count_keep_obj + count_keep_str) / 256;
heap->mark_and_sweep_trigger_counter = (duk_int_t) (
(tmp * DUK_HEAP_MARK_AND_SWEEP_TRIGGER_MULT) +
@@ -43445,18 +46067,11 @@ DUK_INTERNAL duk_bool_t duk_heap_mark_and_sweep(duk_heap *heap, duk_small_uint_t
return 0; /* OK */
}
-
-#else /* DUK_USE_MARK_AND_SWEEP */
-
-/* no mark-and-sweep gc */
-
-#endif /* DUK_USE_MARK_AND_SWEEP */
-#line 1 "duk_heap_memory.c"
/*
* Memory allocation handling.
*/
-/* include removed: duk_internal.h */
+/* #include duk_internal.h -> already included */
/*
* Helpers
@@ -43466,7 +46081,7 @@ DUK_INTERNAL duk_bool_t duk_heap_mark_and_sweep(duk_heap *heap, duk_small_uint_t
* inlined in size optimized builds).
*/
-#if defined(DUK_USE_MARK_AND_SWEEP) && defined(DUK_USE_VOLUNTARY_GC)
+#if defined(DUK_USE_VOLUNTARY_GC)
#define DUK__VOLUNTARY_PERIODIC_GC(heap) do { \
(heap)->mark_and_sweep_trigger_counter--; \
if ((heap)->mark_and_sweep_trigger_counter <= 0) { \
@@ -43489,13 +46104,12 @@ DUK_LOCAL void duk__run_voluntary_gc(duk_heap *heap) {
}
#else
#define DUK__VOLUNTARY_PERIODIC_GC(heap) /* no voluntary gc */
-#endif /* DUK_USE_MARK_AND_SWEEP && DUK_USE_VOLUNTARY_GC */
+#endif /* DUK_USE_VOLUNTARY_GC */
/*
* Allocate memory with garbage collection
*/
-#ifdef DUK_USE_MARK_AND_SWEEP
DUK_INTERNAL void *duk_heap_mem_alloc(duk_heap *heap, duk_size_t size) {
void *res;
duk_bool_t rc;
@@ -43514,7 +46128,7 @@ DUK_INTERNAL void *duk_heap_mem_alloc(duk_heap *heap, duk_size_t size) {
* First attempt
*/
-#ifdef DUK_USE_GC_TORTURE
+#if defined(DUK_USE_GC_TORTURE)
/* simulate alloc failure on every alloc (except when mark-and-sweep is running) */
if (!DUK_HEAP_HAS_MARKANDSWEEP_RUNNING(heap)) {
DUK_DDD(DUK_DDDPRINT("gc torture enabled, pretend that first alloc attempt fails"));
@@ -43528,7 +46142,7 @@ DUK_INTERNAL void *duk_heap_mem_alloc(duk_heap *heap, duk_size_t size) {
/* for zero size allocations NULL is allowed */
return res;
}
-#ifdef DUK_USE_GC_TORTURE
+#if defined(DUK_USE_GC_TORTURE)
skip_attempt:
#endif
@@ -43573,18 +46187,6 @@ DUK_INTERNAL void *duk_heap_mem_alloc(duk_heap *heap, duk_size_t size) {
DUK_D(DUK_DPRINT("duk_heap_mem_alloc() failed even after gc, alloc size %ld", (long) size));
return NULL;
}
-#else /* DUK_USE_MARK_AND_SWEEP */
-/*
- * Compared to a direct macro expansion this wrapper saves a few
- * instructions because no heap dereferencing is required.
- */
-DUK_INTERNAL void *duk_heap_mem_alloc(duk_heap *heap, duk_size_t size) {
- DUK_ASSERT(heap != NULL);
- DUK_ASSERT_DISABLE(size >= 0);
-
- return heap->alloc_func(heap->heap_udata, size);
-}
-#endif /* DUK_USE_MARK_AND_SWEEP */
DUK_INTERNAL void *duk_heap_mem_alloc_zeroed(duk_heap *heap, duk_size_t size) {
void *res;
@@ -43604,7 +46206,6 @@ DUK_INTERNAL void *duk_heap_mem_alloc_zeroed(duk_heap *heap, duk_size_t size) {
* Reallocate memory with garbage collection
*/
-#ifdef DUK_USE_MARK_AND_SWEEP
DUK_INTERNAL void *duk_heap_mem_realloc(duk_heap *heap, void *ptr, duk_size_t newsize) {
void *res;
duk_bool_t rc;
@@ -43624,7 +46225,7 @@ DUK_INTERNAL void *duk_heap_mem_realloc(duk_heap *heap, void *ptr, duk_size_t ne
* First attempt
*/
-#ifdef DUK_USE_GC_TORTURE
+#if defined(DUK_USE_GC_TORTURE)
/* simulate alloc failure on every realloc (except when mark-and-sweep is running) */
if (!DUK_HEAP_HAS_MARKANDSWEEP_RUNNING(heap)) {
DUK_DDD(DUK_DDDPRINT("gc torture enabled, pretend that first realloc attempt fails"));
@@ -43638,7 +46239,7 @@ DUK_INTERNAL void *duk_heap_mem_realloc(duk_heap *heap, void *ptr, duk_size_t ne
/* for zero size allocations NULL is allowed */
return res;
}
-#ifdef DUK_USE_GC_TORTURE
+#if defined(DUK_USE_GC_TORTURE)
skip_attempt:
#endif
@@ -43681,16 +46282,6 @@ DUK_INTERNAL void *duk_heap_mem_realloc(duk_heap *heap, void *ptr, duk_size_t ne
DUK_D(DUK_DPRINT("duk_heap_mem_realloc() failed even after gc, alloc size %ld", (long) newsize));
return NULL;
}
-#else /* DUK_USE_MARK_AND_SWEEP */
-/* saves a few instructions to have this wrapper (see comment on duk_heap_mem_alloc) */
-DUK_INTERNAL void *duk_heap_mem_realloc(duk_heap *heap, void *ptr, duk_size_t newsize) {
- DUK_ASSERT(heap != NULL);
- /* ptr may be NULL */
- DUK_ASSERT_DISABLE(newsize >= 0);
-
- return heap->realloc_func(heap->heap_udata, ptr, newsize);
-}
-#endif /* DUK_USE_MARK_AND_SWEEP */
/*
* Reallocate memory with garbage collection, using a callback to provide
@@ -43698,7 +46289,6 @@ DUK_INTERNAL void *duk_heap_mem_realloc(duk_heap *heap, void *ptr, duk_size_t ne
* (e.g. finalizers) might change the original pointer.
*/
-#ifdef DUK_USE_MARK_AND_SWEEP
DUK_INTERNAL void *duk_heap_mem_realloc_indirect(duk_heap *heap, duk_mem_getptr cb, void *ud, duk_size_t newsize) {
void *res;
duk_bool_t rc;
@@ -43717,7 +46307,7 @@ DUK_INTERNAL void *duk_heap_mem_realloc_indirect(duk_heap *heap, duk_mem_getptr
* First attempt
*/
-#ifdef DUK_USE_GC_TORTURE
+#if defined(DUK_USE_GC_TORTURE)
/* simulate alloc failure on every realloc (except when mark-and-sweep is running) */
if (!DUK_HEAP_HAS_MARKANDSWEEP_RUNNING(heap)) {
DUK_DDD(DUK_DDDPRINT("gc torture enabled, pretend that first indirect realloc attempt fails"));
@@ -43731,7 +46321,7 @@ DUK_INTERNAL void *duk_heap_mem_realloc_indirect(duk_heap *heap, duk_mem_getptr
/* for zero size allocations NULL is allowed */
return res;
}
-#ifdef DUK_USE_GC_TORTURE
+#if defined(DUK_USE_GC_TORTURE)
skip_attempt:
#endif
@@ -43755,12 +46345,12 @@ DUK_INTERNAL void *duk_heap_mem_realloc_indirect(duk_heap *heap, duk_mem_getptr
for (i = 0; i < DUK_HEAP_ALLOC_FAIL_MARKANDSWEEP_LIMIT; i++) {
duk_small_uint_t flags;
-#ifdef DUK_USE_ASSERTIONS
+#if defined(DUK_USE_ASSERTIONS)
void *ptr_pre; /* ptr before mark-and-sweep */
void *ptr_post;
#endif
-#ifdef DUK_USE_ASSERTIONS
+#if defined(DUK_USE_ASSERTIONS)
ptr_pre = cb(heap, ud);
#endif
flags = 0;
@@ -43770,7 +46360,7 @@ DUK_INTERNAL void *duk_heap_mem_realloc_indirect(duk_heap *heap, duk_mem_getptr
rc = duk_heap_mark_and_sweep(heap, flags);
DUK_UNREF(rc);
-#ifdef DUK_USE_ASSERTIONS
+#if defined(DUK_USE_ASSERTIONS)
ptr_post = cb(heap, ud);
if (ptr_pre != ptr_post) {
/* useful for debugging */
@@ -43794,18 +46384,11 @@ DUK_INTERNAL void *duk_heap_mem_realloc_indirect(duk_heap *heap, duk_mem_getptr
DUK_D(DUK_DPRINT("duk_heap_mem_realloc_indirect() failed even after gc, alloc size %ld", (long) newsize));
return NULL;
}
-#else /* DUK_USE_MARK_AND_SWEEP */
-/* saves a few instructions to have this wrapper (see comment on duk_heap_mem_alloc) */
-DUK_INTERNAL void *duk_heap_mem_realloc_indirect(duk_heap *heap, duk_mem_getptr cb, void *ud, duk_size_t newsize) {
- return heap->realloc_func(heap->heap_udata, cb(heap, ud), newsize);
-}
-#endif /* DUK_USE_MARK_AND_SWEEP */
/*
* Free memory
*/
-#ifdef DUK_USE_MARK_AND_SWEEP
DUK_INTERNAL void duk_heap_mem_free(duk_heap *heap, void *ptr) {
DUK_ASSERT(heap != NULL);
/* ptr may be NULL */
@@ -43820,28 +46403,18 @@ DUK_INTERNAL void duk_heap_mem_free(duk_heap *heap, void *ptr) {
* need to put in NULLs at every turn to ensure the object is always in
* consistent state for a mark-and-sweep.
*/
-#ifdef DUK_USE_VOLUNTARY_GC
+#if defined(DUK_USE_VOLUNTARY_GC)
heap->mark_and_sweep_trigger_counter--;
#endif
}
-#else
-/* saves a few instructions to have this wrapper (see comment on duk_heap_mem_alloc) */
-DUK_INTERNAL void duk_heap_mem_free(duk_heap *heap, void *ptr) {
- DUK_ASSERT(heap != NULL);
- /* ptr may be NULL */
- /* Note: must behave like a no-op with NULL and any pointer
- * returned from malloc/realloc with zero size.
- */
- heap->free_func(heap->heap_udata, ptr);
-}
-#endif
-#line 1 "duk_heap_misc.c"
+/* automatic undefs */
+#undef DUK__VOLUNTARY_PERIODIC_GC
/*
* Support functions for duk_heap.
*/
-/* include removed: duk_internal.h */
+/* #include duk_internal.h -> already included */
#if defined(DUK_USE_DOUBLE_LINKED_HEAP) && defined(DUK_USE_REFERENCE_COUNTING)
/* arbitrary remove only works with double linked heap, and is only required by
@@ -43871,7 +46444,7 @@ DUK_INTERNAL void duk_heap_remove_any_from_heap_allocated(duk_heap *heap, duk_he
DUK_INTERNAL void duk_heap_insert_into_heap_allocated(duk_heap *heap, duk_heaphdr *hdr) {
DUK_ASSERT(DUK_HEAPHDR_GET_TYPE(hdr) != DUK_HTYPE_STRING);
-#ifdef DUK_USE_DOUBLE_LINKED_HEAP
+#if defined(DUK_USE_DOUBLE_LINKED_HEAP)
if (heap->heap_allocated) {
DUK_ASSERT(DUK_HEAPHDR_GET_PREV(heap, heap->heap_allocated) == NULL);
DUK_HEAPHDR_SET_PREV(heap, heap->heap_allocated, hdr);
@@ -43882,7 +46455,7 @@ DUK_INTERNAL void duk_heap_insert_into_heap_allocated(duk_heap *heap, duk_heaphd
heap->heap_allocated = hdr;
}
-#ifdef DUK_USE_INTERRUPT_COUNTER
+#if defined(DUK_USE_INTERRUPT_COUNTER)
DUK_INTERNAL void duk_heap_switch_thread(duk_heap *heap, duk_hthread *new_thr) {
duk_hthread *curr_thr;
@@ -43916,16 +46489,15 @@ DUK_INTERNAL void duk_heap_switch_thread(duk_heap *heap, duk_hthread *new_thr) {
heap->curr_thread = new_thr; /* may be NULL */
}
#endif /* DUK_USE_INTERRUPT_COUNTER */
-#line 1 "duk_heap_refcount.c"
/*
* Reference counting implementation.
*/
-/* include removed: duk_internal.h */
+/* #include duk_internal.h -> already included */
-#ifdef DUK_USE_REFERENCE_COUNTING
+#if defined(DUK_USE_REFERENCE_COUNTING)
-#ifndef DUK_USE_DOUBLE_LINKED_HEAP
+#if !defined(DUK_USE_DOUBLE_LINKED_HEAP)
#error internal error, reference counting requires a double linked heap
#endif
@@ -43968,92 +46540,134 @@ DUK_LOCAL void duk__queue_refzero(duk_heap *heap, duk_heaphdr *hdr) {
* the refcounts.
*
* Note that any of the decref's may cause a refcount to drop to zero, BUT
- * it will not be processed inline; instead, because refzero is already
- * running, the objects will just be queued to refzero list and processed
- * later. This eliminates C recursion.
+ * it will not be processed inline. If refcount finalization is triggered
+ * by refzero processing, the objects will be just queued to the refzero
+ * list and processed later which eliminates C recursion. If refcount
+ * finalization is triggered by mark-and-sweep, any refzero situations are
+ * ignored because mark-and-sweep will deal with them. NORZ variants can
+ * be used here in both cases.
*/
DUK_LOCAL void duk__refcount_finalize_hobject(duk_hthread *thr, duk_hobject *h) {
duk_uint_fast32_t i;
+ duk_uint_fast32_t n;
+ duk_propvalue *p_val;
+ duk_tval *p_tv;
+ duk_hstring **p_key;
+ duk_uint8_t *p_flag;
DUK_ASSERT(h);
DUK_ASSERT(DUK_HEAPHDR_GET_TYPE((duk_heaphdr *) h) == DUK_HTYPE_OBJECT);
/* XXX: better to get base and walk forwards? */
- for (i = 0; i < (duk_uint_fast32_t) DUK_HOBJECT_GET_ENEXT(h); i++) {
- duk_hstring *key = DUK_HOBJECT_E_GET_KEY(thr->heap, h, i);
+ p_key = DUK_HOBJECT_E_GET_KEY_BASE(thr->heap, h);
+ p_val = DUK_HOBJECT_E_GET_VALUE_BASE(thr->heap, h);
+ p_flag = DUK_HOBJECT_E_GET_FLAGS_BASE(thr->heap, h);
+ n = DUK_HOBJECT_GET_ENEXT(h);
+ while (n-- > 0) {
+ duk_hstring *key;
+
+ key = p_key[n];
if (!key) {
continue;
}
- duk_heaphdr_decref(thr, (duk_heaphdr *) key);
- if (DUK_HOBJECT_E_SLOT_IS_ACCESSOR(thr->heap, h, i)) {
- duk_heaphdr_decref_allownull(thr, (duk_heaphdr *) DUK_HOBJECT_E_GET_VALUE_GETTER(thr->heap, h, i));
- duk_heaphdr_decref_allownull(thr, (duk_heaphdr *) DUK_HOBJECT_E_GET_VALUE_SETTER(thr->heap, h, i));
+ DUK_HSTRING_DECREF_NORZ(thr, key);
+ if (p_flag[n] & DUK_PROPDESC_FLAG_ACCESSOR) {
+ duk_hobject *h_getset;
+ h_getset = p_val[n].a.get;
+ DUK_ASSERT(h_getset == NULL || DUK_HEAPHDR_IS_OBJECT((duk_heaphdr *) h_getset));
+ DUK_HOBJECT_DECREF_NORZ_ALLOWNULL(thr, h_getset);
+ h_getset = p_val[n].a.set;
+ DUK_ASSERT(h_getset == NULL || DUK_HEAPHDR_IS_OBJECT((duk_heaphdr *) h_getset));
+ DUK_HOBJECT_DECREF_NORZ_ALLOWNULL(thr, h_getset);
} else {
- duk_tval_decref(thr, DUK_HOBJECT_E_GET_VALUE_TVAL_PTR(thr->heap, h, i));
+ duk_tval *tv_val;
+ tv_val = &p_val[n].v;
+ DUK_TVAL_DECREF_NORZ(thr, tv_val);
}
}
- for (i = 0; i < (duk_uint_fast32_t) DUK_HOBJECT_GET_ASIZE(h); i++) {
- duk_tval_decref(thr, DUK_HOBJECT_A_GET_VALUE_PTR(thr->heap, h, i));
+ p_tv = DUK_HOBJECT_A_GET_BASE(thr->heap, h);
+ n = DUK_HOBJECT_GET_ASIZE(h);
+ while (n-- > 0) {
+ duk_tval *tv_val;
+ tv_val = p_tv + n;
+ DUK_TVAL_DECREF_NORZ(thr, tv_val);
}
/* hash part is a 'weak reference' and does not contribute */
- duk_heaphdr_decref_allownull(thr, (duk_heaphdr *) DUK_HOBJECT_GET_PROTOTYPE(thr->heap, h));
+ {
+ duk_hobject *h_proto;
+ h_proto = (duk_hobject *) DUK_HOBJECT_GET_PROTOTYPE(thr->heap, h);
+ DUK_ASSERT(h_proto == NULL || DUK_HEAPHDR_IS_OBJECT((duk_heaphdr *) h_proto));
+ DUK_HOBJECT_DECREF_NORZ_ALLOWNULL(thr, h_proto);
+ }
- if (DUK_HOBJECT_IS_COMPILEDFUNCTION(h)) {
- duk_hcompiledfunction *f = (duk_hcompiledfunction *) h;
+ /* XXX: rearrange bits to allow a switch case to be used here? */
+ /* XXX: add a fast path for objects (and arrays)? */
+
+ /* DUK_HOBJECT_IS_ARRAY(h): needs no special handling now as there are
+ * no extra fields in need of decref.
+ */
+ if (DUK_HOBJECT_IS_COMPFUNC(h)) {
+ duk_hcompfunc *f = (duk_hcompfunc *) h;
duk_tval *tv, *tv_end;
duk_hobject **funcs, **funcs_end;
- if (DUK_HCOMPILEDFUNCTION_GET_DATA(thr->heap, f) != NULL) {
- tv = DUK_HCOMPILEDFUNCTION_GET_CONSTS_BASE(thr->heap, f);
- tv_end = DUK_HCOMPILEDFUNCTION_GET_CONSTS_END(thr->heap, f);
+ if (DUK_HCOMPFUNC_GET_DATA(thr->heap, f) != NULL) {
+ tv = DUK_HCOMPFUNC_GET_CONSTS_BASE(thr->heap, f);
+ tv_end = DUK_HCOMPFUNC_GET_CONSTS_END(thr->heap, f);
while (tv < tv_end) {
- duk_tval_decref(thr, tv);
+ DUK_TVAL_DECREF_NORZ(thr, tv);
tv++;
}
- funcs = DUK_HCOMPILEDFUNCTION_GET_FUNCS_BASE(thr->heap, f);
- funcs_end = DUK_HCOMPILEDFUNCTION_GET_FUNCS_END(thr->heap, f);
+ funcs = DUK_HCOMPFUNC_GET_FUNCS_BASE(thr->heap, f);
+ funcs_end = DUK_HCOMPFUNC_GET_FUNCS_END(thr->heap, f);
while (funcs < funcs_end) {
- duk_heaphdr_decref(thr, (duk_heaphdr *) *funcs);
+ duk_hobject *h_func;
+ h_func = *funcs;
+ DUK_ASSERT(DUK_HEAPHDR_IS_OBJECT((duk_heaphdr *) h_func));
+ DUK_HCOMPFUNC_DECREF_NORZ(thr, (duk_hcompfunc *) h_func);
funcs++;
}
} else {
/* May happen in some out-of-memory corner cases. */
- DUK_D(DUK_DPRINT("duk_hcompiledfunction 'data' is NULL, skipping decref"));
+ DUK_D(DUK_DPRINT("duk_hcompfunc 'data' is NULL, skipping decref"));
}
- duk_heaphdr_decref(thr, (duk_heaphdr *) DUK_HCOMPILEDFUNCTION_GET_DATA(thr->heap, f));
- } else if (DUK_HOBJECT_IS_NATIVEFUNCTION(h)) {
- duk_hnativefunction *f = (duk_hnativefunction *) h;
+ DUK_HEAPHDR_DECREF_ALLOWNULL(thr, (duk_heaphdr *) DUK_HCOMPFUNC_GET_LEXENV(thr->heap, f));
+ DUK_HEAPHDR_DECREF_ALLOWNULL(thr, (duk_heaphdr *) DUK_HCOMPFUNC_GET_VARENV(thr->heap, f));
+ DUK_HEAPHDR_DECREF_ALLOWNULL(thr, (duk_hbuffer *) DUK_HCOMPFUNC_GET_DATA(thr->heap, f));
+ } else if (DUK_HOBJECT_IS_NATFUNC(h)) {
+ duk_hnatfunc *f = (duk_hnatfunc *) h;
DUK_UNREF(f);
/* nothing to finalize */
- } else if (DUK_HOBJECT_IS_BUFFEROBJECT(h)) {
- duk_hbufferobject *b = (duk_hbufferobject *) h;
- if (b->buf) {
- duk_heaphdr_decref(thr, (duk_heaphdr *) b->buf);
- }
+#if defined(DUK_USE_BUFFEROBJECT_SUPPORT)
+ } else if (DUK_HOBJECT_IS_BUFOBJ(h)) {
+ duk_hbufobj *b = (duk_hbufobj *) h;
+ DUK_HBUFFER_DECREF_NORZ_ALLOWNULL(thr, (duk_hbuffer *) b->buf);
+ DUK_HOBJECT_DECREF_NORZ_ALLOWNULL(thr, (duk_hobject *) b->buf_prop);
+#endif /* DUK_USE_BUFFEROBJECT_SUPPORT */
} else if (DUK_HOBJECT_IS_THREAD(h)) {
duk_hthread *t = (duk_hthread *) h;
duk_tval *tv;
tv = t->valstack;
while (tv < t->valstack_top) {
- duk_tval_decref(thr, tv);
+ DUK_TVAL_DECREF_NORZ(thr, tv);
tv++;
}
for (i = 0; i < (duk_uint_fast32_t) t->callstack_top; i++) {
duk_activation *act = t->callstack + i;
- duk_heaphdr_decref_allownull(thr, (duk_heaphdr *) DUK_ACT_GET_FUNC(act));
- duk_heaphdr_decref_allownull(thr, (duk_heaphdr *) act->var_env);
- duk_heaphdr_decref_allownull(thr, (duk_heaphdr *) act->lex_env);
-#ifdef DUK_USE_NONSTD_FUNC_CALLER_PROPERTY
- duk_heaphdr_decref_allownull(thr, (duk_heaphdr *) act->prev_caller);
+ DUK_HOBJECT_DECREF_NORZ_ALLOWNULL(thr, (duk_hobject *) DUK_ACT_GET_FUNC(act));
+ DUK_HOBJECT_DECREF_NORZ_ALLOWNULL(thr, (duk_hobject *) act->var_env);
+ DUK_HOBJECT_DECREF_NORZ_ALLOWNULL(thr, (duk_hobject *) act->lex_env);
+#if defined(DUK_USE_NONSTD_FUNC_CALLER_PROPERTY)
+ DUK_HOBJECT_DECREF_NORZ_ALLOWNULL(thr, (duk_hobject *) act->prev_caller);
#endif
}
@@ -44064,30 +46678,24 @@ DUK_LOCAL void duk__refcount_finalize_hobject(duk_hthread *thr, duk_hobject *h)
#endif
for (i = 0; i < DUK_NUM_BUILTINS; i++) {
- duk_heaphdr_decref_allownull(thr, (duk_heaphdr *) t->builtins[i]);
+ DUK_HOBJECT_DECREF_NORZ_ALLOWNULL(thr, (duk_hobject *) t->builtins[i]);
}
- duk_heaphdr_decref_allownull(thr, (duk_heaphdr *) t->resumer);
+ DUK_HTHREAD_DECREF_NORZ_ALLOWNULL(thr, (duk_hthread *) t->resumer);
}
}
DUK_INTERNAL void duk_heaphdr_refcount_finalize(duk_hthread *thr, duk_heaphdr *hdr) {
DUK_ASSERT(hdr);
- switch ((int) DUK_HEAPHDR_GET_TYPE(hdr)) {
- case DUK_HTYPE_OBJECT:
+ if (DUK_HEAPHDR_GET_TYPE(hdr) == DUK_HTYPE_OBJECT) {
duk__refcount_finalize_hobject(thr, (duk_hobject *) hdr);
- break;
- case DUK_HTYPE_BUFFER:
- /* nothing to finalize */
- break;
- case DUK_HTYPE_STRING:
- /* cannot happen: strings are not put into refzero list (they don't even have the next/prev pointers) */
- default:
- DUK_UNREACHABLE();
}
+ /* DUK_HTYPE_BUFFER: nothing to finalize */
+ /* DUK_HTYPE_STRING: nothing to finalize */
}
+#if defined(DUK_USE_FINALIZER_SUPPORT)
#if defined(DUK_USE_REFZERO_FINALIZER_TORTURE)
DUK_LOCAL duk_ret_t duk__refcount_fake_finalizer(duk_context *ctx) {
DUK_UNREF(ctx);
@@ -44115,8 +46723,8 @@ DUK_LOCAL void duk__refcount_run_torture_finalizer(duk_hthread *thr, duk_hobject
/* Avoid fake finalization for the duk__refcount_fake_finalizer function
* itself, otherwise we're in infinite recursion.
*/
- if (DUK_HOBJECT_HAS_NATIVEFUNCTION(obj)) {
- if (((duk_hnativefunction *) obj)->func == duk__refcount_fake_finalizer) {
+ if (DUK_HOBJECT_HAS_NATFUNC(obj)) {
+ if (((duk_hnatfunc *) obj)->func == duk__refcount_fake_finalizer) {
DUK_DD(DUK_DDPRINT("avoid fake torture finalizer for duk__refcount_fake_finalizer itself"));
return;
}
@@ -44141,6 +46749,7 @@ DUK_LOCAL void duk__refcount_run_torture_finalizer(duk_hthread *thr, duk_hobject
duk_pop(ctx);
}
#endif /* DUK_USE_REFZERO_FINALIZER_TORTURE */
+#endif /* DUK_USE_FINALIZER_SUPPORT */
/*
* Refcount memory freeing loop.
@@ -44153,7 +46762,7 @@ DUK_LOCAL void duk__refcount_run_torture_finalizer(duk_hthread *thr, duk_hobject
* early and resume at a future alloc/decref/refzero.
*/
-DUK_LOCAL void duk__refzero_free_pending(duk_hthread *thr) {
+DUK_INTERNAL void duk_refzero_free_pending(duk_hthread *thr) {
duk_heaphdr *h1, *h2;
duk_heap *heap;
duk_int_t count = 0;
@@ -44179,7 +46788,9 @@ DUK_LOCAL void duk__refzero_free_pending(duk_hthread *thr) {
DUK_HEAP_SET_REFZERO_FREE_RUNNING(heap);
while (heap->refzero_list) {
duk_hobject *obj;
+#if defined(DUK_USE_FINALIZER_SUPPORT)
duk_bool_t rescued = 0;
+#endif /* DUK_USE_FINALIZER_SUPPORT */
/*
* Pick an object from the head (don't remove yet).
@@ -44191,6 +46802,7 @@ DUK_LOCAL void duk__refzero_free_pending(duk_hthread *thr) {
DUK_ASSERT(DUK_HEAPHDR_GET_PREV(heap, h1) == NULL);
DUK_ASSERT(DUK_HEAPHDR_GET_TYPE(h1) == DUK_HTYPE_OBJECT); /* currently, always the case */
+#if defined(DUK_USE_FINALIZER_SUPPORT)
#if defined(DUK_USE_REFZERO_FINALIZER_TORTURE)
/* Torture option to shake out finalizer side effect issues:
* make a bogus function call for every finalizable object,
@@ -44203,7 +46815,8 @@ DUK_LOCAL void duk__refzero_free_pending(duk_hthread *thr) {
duk__refcount_run_torture_finalizer(thr, obj); /* must never longjmp */
DUK_HEAPHDR_PREDEC_REFCOUNT(h1); /* remove artificial bump */
DUK_ASSERT_DISABLE(h1->h_refcount >= 0); /* refcount is unsigned, so always true */
-#endif
+#endif /* DUK_USE_REFZERO_FINALIZER_TORTURE */
+#endif /* DUK_USE_FINALIZER_SUPPORT */
/*
* Finalizer check.
@@ -44214,16 +46827,16 @@ DUK_LOCAL void duk__refzero_free_pending(duk_hthread *thr) {
*
* Note: quick reject check should match vast majority of
* objects and must be safe (not throw any errors, ever).
+ *
+ * An object may have FINALIZED here if it was finalized by mark-and-sweep
+ * on a previous run and refcount then decreased to zero. We won't run the
+ * finalizer again here.
+ *
+ * A finalizer is looked up from the object and up its prototype chain
+ * (which allows inherited finalizers).
*/
- /* An object may have FINALIZED here if it was finalized by mark-and-sweep
- * on a previous run and refcount then decreased to zero. We won't run the
- * finalizer again here.
- */
-
- /* A finalizer is looked up from the object and up its prototype chain
- * (which allows inherited finalizers).
- */
+#if defined(DUK_USE_FINALIZER_SUPPORT)
if (duk_hobject_hasprop_raw(thr, obj, DUK_HTHREAD_STRING_INT_FINALIZER(thr))) {
DUK_DDD(DUK_DDDPRINT("object has a finalizer, run it"));
@@ -44243,6 +46856,7 @@ DUK_LOCAL void duk__refzero_free_pending(duk_hthread *thr) {
DUK_DDD(DUK_DDDPRINT("-> object refcount still zero after finalization, object will be freed"));
}
}
+#endif /* DUK_USE_FINALIZER_SUPPORT */
/* Refzero head is still the same. This is the case even if finalizer
* inserted more refzero objects; they are inserted to the tail.
@@ -44269,6 +46883,7 @@ DUK_LOCAL void duk__refzero_free_pending(duk_hthread *thr) {
* Rescue or free.
*/
+#if defined(DUK_USE_FINALIZER_SUPPORT)
if (rescued) {
/* yes -> move back to heap allocated */
DUK_DD(DUK_DDPRINT("object rescued during refcount finalization: %p", (void *) h1));
@@ -44284,10 +46899,13 @@ DUK_LOCAL void duk__refzero_free_pending(duk_hthread *thr) {
DUK_ASSERT_HEAPHDR_LINKS(heap, h1);
DUK_ASSERT_HEAPHDR_LINKS(heap, h2);
heap->heap_allocated = h1;
- } else {
+ } else
+#endif /* DUK_USE_FINALIZER_SUPPORT */
+ {
/* no -> decref members, then free */
duk__refcount_finalize_hobject(thr, obj);
- duk_heap_free_heaphdr_raw(heap, h1);
+ DUK_ASSERT(DUK_HEAPHDR_GET_TYPE(h1) == DUK_HTYPE_OBJECT); /* currently, always the case */
+ duk_free_hobject(heap, (duk_hobject *) h1);
}
count++;
@@ -44301,20 +46919,25 @@ DUK_LOCAL void duk__refzero_free_pending(duk_hthread *thr) {
* a voluntary mark-and-sweep.
*/
-#if defined(DUK_USE_MARK_AND_SWEEP) && defined(DUK_USE_VOLUNTARY_GC)
+#if defined(DUK_USE_VOLUNTARY_GC)
/* 'count' is more or less comparable to normal trigger counter update
* which happens in memory block (re)allocation.
*/
heap->mark_and_sweep_trigger_counter -= count;
if (heap->mark_and_sweep_trigger_counter <= 0) {
- duk_bool_t rc;
- duk_small_uint_t flags = 0; /* not emergency */
- DUK_D(DUK_DPRINT("refcount triggering mark-and-sweep"));
- rc = duk_heap_mark_and_sweep(heap, flags);
- DUK_UNREF(rc);
- DUK_D(DUK_DPRINT("refcount triggered mark-and-sweep => rc %ld", (long) rc));
+ if (DUK_HEAP_HAS_MARKANDSWEEP_RUNNING(heap)) {
+ DUK_D(DUK_DPRINT("mark-and-sweep in progress -> skip voluntary mark-and-sweep now"));
+ } else {
+ duk_bool_t rc;
+ duk_small_uint_t flags = 0; /* not emergency */
+
+ DUK_D(DUK_DPRINT("refcount triggering mark-and-sweep"));
+ rc = duk_heap_mark_and_sweep(heap, flags);
+ DUK_UNREF(rc);
+ DUK_D(DUK_DPRINT("refcount triggered mark-and-sweep => rc %ld", (long) rc));
+ }
}
-#endif /* DUK_USE_MARK_AND_SWEEP && DUK_USE_VOLUNTARY_GC */
+#endif /* DUK_USE_VOLUNTARY_GC */
}
/*
@@ -44323,83 +46946,133 @@ DUK_LOCAL void duk__refzero_free_pending(duk_hthread *thr) {
* Decref may trigger immediate refzero handling, which may free and finalize
* an arbitrary number of objects.
*
+ * Refzero handling is skipped entirely if (1) mark-and-sweep is running or
+ * (2) execution is paused in the debugger. The objects are left in the heap,
+ * and will be freed by mark-and-sweep or eventual heap destruction.
+ *
+ * This is necessary during mark-and-sweep because refcounts are also updated
+ * during the sweep phase (otherwise objects referenced by a swept object
+ * would have incorrect refcounts) which then calls here. This could be
+ * avoided by using separate decref macros in mark-and-sweep; however,
+ * mark-and-sweep also calls finalizers which would use the ordinary decref
+ * macros anyway.
+ *
+ * The DUK__RZ_SUPPRESS_CHECK() must be enabled also when mark-and-sweep
+ * support has been disabled: the flag is also used in heap destruction when
+ * running finalizers for remaining objects, and the flag prevents objects
+ * from being moved around in heap linked lists.
*/
-DUK_INTERNAL void duk_heaphdr_refzero(duk_hthread *thr, duk_heaphdr *h) {
+/* The suppress condition is important to performance. The flags being tested
+ * are in the same duk_heap field so a single TEST instruction (on x86) tests
+ * for them.
+ */
+#if defined(DUK_USE_DEBUGGER_SUPPORT)
+#define DUK__RZ_SUPPRESS_COND() \
+ (DUK_HEAP_HAS_MARKANDSWEEP_RUNNING(heap) || DUK_HEAP_IS_PAUSED(heap))
+#else
+#define DUK__RZ_SUPPRESS_COND() \
+ (DUK_HEAP_HAS_MARKANDSWEEP_RUNNING(heap))
+#endif
+#define DUK__RZ_SUPPRESS_CHECK() do { \
+ if (DUK_UNLIKELY(DUK__RZ_SUPPRESS_COND())) { \
+ DUK_DDD(DUK_DDDPRINT("refzero handling suppressed when mark-and-sweep running, object: %p", (void *) h)); \
+ return; \
+ } \
+ } while (0)
+
+#define DUK__RZ_STRING() do { \
+ duk_heap_strcache_string_remove(thr->heap, (duk_hstring *) h); \
+ duk_heap_string_remove(heap, (duk_hstring *) h); \
+ duk_free_hstring(heap, (duk_hstring *) h); \
+ } while (0)
+#define DUK__RZ_BUFFER() do { \
+ duk_heap_remove_any_from_heap_allocated(heap, (duk_heaphdr *) h); \
+ duk_free_hbuffer(heap, (duk_hbuffer *) h); \
+ } while (0)
+#define DUK__RZ_OBJECT() do { \
+ duk_heap_remove_any_from_heap_allocated(heap, (duk_heaphdr *) h); \
+ duk__queue_refzero(heap, (duk_heaphdr *) h); \
+ if (!skip_free_pending) { \
+ duk_refzero_free_pending(thr); \
+ } \
+ } while (0)
+#if defined(DUK_USE_FAST_REFCOUNT_DEFAULT)
+#define DUK__RZ_INLINE DUK_ALWAYS_INLINE
+#else
+#define DUK__RZ_INLINE /*nop*/
+#endif
+
+DUK_LOCAL DUK__RZ_INLINE void duk__hstring_refzero_helper(duk_hthread *thr, duk_hstring *h) {
duk_heap *heap;
DUK_ASSERT(thr != NULL);
DUK_ASSERT(h != NULL);
+ heap = thr->heap;
+ DUK__RZ_SUPPRESS_CHECK();
+ DUK__RZ_STRING();
+}
+
+DUK_LOCAL DUK__RZ_INLINE void duk__hbuffer_refzero_helper(duk_hthread *thr, duk_hbuffer *h) {
+ duk_heap *heap;
+
+ DUK_ASSERT(thr != NULL);
+ DUK_ASSERT(h != NULL);
heap = thr->heap;
- DUK_DDD(DUK_DDDPRINT("refzero %p: %!O", (void *) h, (duk_heaphdr *) h));
- /*
- * Refzero handling is skipped entirely if (1) mark-and-sweep is
- * running or (2) execution is paused in the debugger. The objects
- * are left in the heap, and will be freed by mark-and-sweep or
- * eventual heap destruction.
- *
- * This is necessary during mark-and-sweep because refcounts are also
- * updated during the sweep phase (otherwise objects referenced by a
- * swept object would have incorrect refcounts) which then calls here.
- * This could be avoided by using separate decref macros in
- * mark-and-sweep; however, mark-and-sweep also calls finalizers which
- * would use the ordinary decref macros anyway and still call this
- * function.
- *
- * This check must be enabled also when mark-and-sweep support has been
- * disabled: the flag is also used in heap destruction when running
- * finalizers for remaining objects, and the flag prevents objects from
- * being moved around in heap linked lists.
- */
+ DUK__RZ_SUPPRESS_CHECK();
+ DUK__RZ_BUFFER();
+}
- /* XXX: ideally this would be just one flag (maybe a derived one) so
- * that a single bit test is sufficient to check the condition.
- */
-#if defined(DUK_USE_DEBUGGER_SUPPORT)
- if (DUK_UNLIKELY(DUK_HEAP_HAS_MARKANDSWEEP_RUNNING(heap) || DUK_HEAP_IS_PAUSED(heap))) {
-#else
- if (DUK_UNLIKELY(DUK_HEAP_HAS_MARKANDSWEEP_RUNNING(heap))) {
-#endif
- DUK_DDD(DUK_DDDPRINT("refzero handling suppressed when mark-and-sweep running, object: %p", (void *) h));
- return;
- }
+DUK_LOCAL DUK__RZ_INLINE void duk__hobject_refzero_helper(duk_hthread *thr, duk_hobject *h, duk_bool_t skip_free_pending) {
+ duk_heap *heap;
- switch ((duk_small_int_t) DUK_HEAPHDR_GET_TYPE(h)) {
+ DUK_ASSERT(thr != NULL);
+ DUK_ASSERT(h != NULL);
+ heap = thr->heap;
+
+ DUK__RZ_SUPPRESS_CHECK();
+ DUK__RZ_OBJECT();
+}
+
+DUK_LOCAL DUK__RZ_INLINE void duk__heaphdr_refzero_helper(duk_hthread *thr, duk_heaphdr *h, duk_bool_t skip_free_pending) {
+ duk_heap *heap;
+ duk_small_uint_t htype;
+
+ DUK_ASSERT(thr != NULL);
+ DUK_ASSERT(h != NULL);
+ heap = thr->heap;
+
+ htype = (duk_small_uint_t) DUK_HEAPHDR_GET_TYPE(h);
+ DUK__RZ_SUPPRESS_CHECK();
+
+ switch (htype) {
case DUK_HTYPE_STRING:
- /*
- * Strings have no internal references but do have "weak"
- * references in the string cache. Also note that strings
- * are not on the heap_allocated list like other heap
- * elements.
+ /* Strings have no internal references but do have "weak"
+ * references in the string cache. Also note that strings
+ * are not on the heap_allocated list like other heap
+ * elements.
*/
- duk_heap_strcache_string_remove(heap, (duk_hstring *) h);
- duk_heap_string_remove(heap, (duk_hstring *) h);
- duk_heap_free_heaphdr_raw(heap, h);
+ DUK__RZ_STRING();
break;
case DUK_HTYPE_OBJECT:
- /*
- * Objects have internal references. Must finalize through
- * the "refzero" work list.
+ /* Objects have internal references. Must finalize through
+ * the "refzero" work list.
*/
- duk_heap_remove_any_from_heap_allocated(heap, h);
- duk__queue_refzero(heap, h);
- duk__refzero_free_pending(thr);
+ DUK__RZ_OBJECT();
break;
case DUK_HTYPE_BUFFER:
- /*
- * Buffers have no internal references. However, a dynamic
- * buffer has a separate allocation for the buffer. This is
- * freed by duk_heap_free_heaphdr_raw().
+ /* Buffers have no internal references. However, a dynamic
+ * buffer has a separate allocation for the buffer. This is
+ * freed by duk_heap_free_heaphdr_raw().
*/
- duk_heap_remove_any_from_heap_allocated(heap, h);
- duk_heap_free_heaphdr_raw(heap, h);
+ DUK__RZ_BUFFER();
break;
default:
@@ -44408,6 +47081,30 @@ DUK_INTERNAL void duk_heaphdr_refzero(duk_hthread *thr, duk_heaphdr *h) {
}
}
+DUK_INTERNAL void duk_heaphdr_refzero(duk_hthread *thr, duk_heaphdr *h) {
+ duk__heaphdr_refzero_helper(thr, h, 0 /*skip_free_pending*/);
+}
+
+DUK_INTERNAL void duk_heaphdr_refzero_norz(duk_hthread *thr, duk_heaphdr *h) {
+ duk__heaphdr_refzero_helper(thr, h, 1 /*skip_free_pending*/);
+}
+
+DUK_INTERNAL void duk_hstring_refzero(duk_hthread *thr, duk_hstring *h) {
+ duk__hstring_refzero_helper(thr, h);
+}
+
+DUK_INTERNAL void duk_hbuffer_refzero(duk_hthread *thr, duk_hbuffer *h) {
+ duk__hbuffer_refzero_helper(thr, h);
+}
+
+DUK_INTERNAL void duk_hobject_refzero(duk_hthread *thr, duk_hobject *h) {
+ duk__hobject_refzero_helper(thr, h, 0 /*skip_free_pending*/);
+}
+
+DUK_INTERNAL void duk_hobject_refzero_norz(duk_hthread *thr, duk_hobject *h) {
+ duk__hobject_refzero_helper(thr, h, 1 /*skip_free_pending*/);
+}
+
#if !defined(DUK_USE_FAST_REFCOUNT_DEFAULT)
DUK_INTERNAL void duk_tval_incref(duk_tval *tv) {
DUK_ASSERT(tv != NULL);
@@ -44420,22 +47117,6 @@ DUK_INTERNAL void duk_tval_incref(duk_tval *tv) {
DUK_HEAPHDR_PREINC_REFCOUNT(h);
}
}
-#endif
-
-#if 0 /* unused */
-DUK_INTERNAL void duk_tval_incref_allownull(duk_tval *tv) {
- if (tv == NULL) {
- return;
- }
- if (DUK_TVAL_NEEDS_REFCOUNT_UPDATE(tv)) {
- duk_heaphdr *h = DUK_TVAL_GET_HEAPHDR(tv);
- DUK_ASSERT(h != NULL);
- DUK_ASSERT(DUK_HEAPHDR_HTYPE_VALID(h));
- DUK_ASSERT_DISABLE(h->h_refcount >= 0);
- DUK_HEAPHDR_PREINC_REFCOUNT(h);
- }
-}
-#endif
DUK_INTERNAL void duk_tval_decref(duk_hthread *thr, duk_tval *tv) {
DUK_ASSERT(thr != NULL);
@@ -44445,93 +47126,145 @@ DUK_INTERNAL void duk_tval_decref(duk_hthread *thr, duk_tval *tv) {
duk_heaphdr *h = DUK_TVAL_GET_HEAPHDR(tv);
DUK_ASSERT(h != NULL);
DUK_ASSERT(DUK_HEAPHDR_HTYPE_VALID(h));
+ DUK_ASSERT(DUK_HEAPHDR_GET_REFCOUNT(h) >= 1);
+#if 0
+ if (DUK_HEAPHDR_PREDEC_REFCOUNT(h) != 0) {
+ return;
+ }
+ duk_heaphdr_refzero(thr, h);
+#else
duk_heaphdr_decref(thr, h);
+#endif
}
}
-#if 0 /* unused */
-DUK_INTERNAL void duk_tval_decref_allownull(duk_hthread *thr, duk_tval *tv) {
+DUK_INTERNAL void duk_tval_decref_norz(duk_hthread *thr, duk_tval *tv) {
DUK_ASSERT(thr != NULL);
+ DUK_ASSERT(tv != NULL);
- if (tv == NULL) {
- return;
- }
if (DUK_TVAL_NEEDS_REFCOUNT_UPDATE(tv)) {
duk_heaphdr *h = DUK_TVAL_GET_HEAPHDR(tv);
DUK_ASSERT(h != NULL);
DUK_ASSERT(DUK_HEAPHDR_HTYPE_VALID(h));
- duk_heaphdr_decref(thr, h);
+ DUK_ASSERT(DUK_HEAPHDR_GET_REFCOUNT(h) >= 1);
+#if 0
+ if (DUK_HEAPHDR_PREDEC_REFCOUNT(h) != 0) {
+ return;
+ }
+ duk_heaphdr_refzero_norz(thr, h);
+#else
+ duk_heaphdr_decref_norz(thr, h);
+#endif
}
}
+#endif /* !DUK_USE_FAST_REFCOUNT_DEFAULT */
+
+#define DUK__DECREF_ASSERTS() do { \
+ DUK_ASSERT(thr != NULL); \
+ DUK_ASSERT(thr->heap != NULL); \
+ DUK_ASSERT(h != NULL); \
+ DUK_ASSERT(DUK_HEAPHDR_HTYPE_VALID((duk_heaphdr *) h)); \
+ DUK_ASSERT(DUK_HEAPHDR_GET_REFCOUNT((duk_heaphdr *) h) >= 1); \
+ } while (0)
+#if defined(DUK_USE_ROM_OBJECTS)
+#define DUK__INCREF_SHARED() do { \
+ if (DUK_HEAPHDR_HAS_READONLY((duk_heaphdr *) h)) { \
+ return; \
+ } \
+ DUK_HEAPHDR_PREINC_REFCOUNT((duk_heaphdr *) h); \
+ } while (0)
+#define DUK__DECREF_SHARED() do { \
+ if (DUK_HEAPHDR_HAS_READONLY((duk_heaphdr *) h)) { \
+ return; \
+ } \
+ if (DUK_HEAPHDR_PREDEC_REFCOUNT((duk_heaphdr *) h) != 0) { \
+ return; \
+ } \
+ } while (0)
+#else
+#define DUK__INCREF_SHARED() do { \
+ DUK_HEAPHDR_PREINC_REFCOUNT((duk_heaphdr *) h); \
+ } while (0)
+#define DUK__DECREF_SHARED() do { \
+ if (DUK_HEAPHDR_PREDEC_REFCOUNT((duk_heaphdr *) h) != 0) { \
+ return; \
+ } \
+ } while (0)
#endif
#if !defined(DUK_USE_FAST_REFCOUNT_DEFAULT)
+/* This will in practice be inlined because it's just an INC instructions
+ * and a bit test + INC when ROM objects are enabled.
+ */
DUK_INTERNAL void duk_heaphdr_incref(duk_heaphdr *h) {
DUK_ASSERT(h != NULL);
DUK_ASSERT(DUK_HEAPHDR_HTYPE_VALID(h));
DUK_ASSERT_DISABLE(DUK_HEAPHDR_GET_REFCOUNT(h) >= 0);
- DUK_HEAPHDR_PREINC_REFCOUNT(h);
-}
-#endif
-
-#if 0 /* unused */
-DUK_INTERNAL void duk_heaphdr_incref_allownull(duk_heaphdr *h) {
- if (h == NULL) {
- return;
- }
- DUK_ASSERT(DUK_HEAPHDR_HTYPE_VALID(h));
- DUK_ASSERT_DISABLE(DUK_HEAPHDR_GET_REFCOUNT(h) >= 0);
-
- DUK_HEAPHDR_PREINC_REFCOUNT(h);
+ DUK__INCREF_SHARED();
}
-#endif
DUK_INTERNAL void duk_heaphdr_decref(duk_hthread *thr, duk_heaphdr *h) {
- DUK_ASSERT(thr != NULL);
- DUK_ASSERT(thr->heap != NULL);
- DUK_ASSERT(h != NULL);
- DUK_ASSERT(DUK_HEAPHDR_HTYPE_VALID(h));
- DUK_ASSERT(DUK_HEAPHDR_GET_REFCOUNT(h) >= 1);
-
-#if defined(DUK_USE_ROM_OBJECTS)
- if (DUK_HEAPHDR_HAS_READONLY(h)) {
- return;
- }
-#endif
- if (DUK_HEAPHDR_PREDEC_REFCOUNT(h) != 0) {
- return;
- }
+ DUK__DECREF_ASSERTS();
+ DUK__DECREF_SHARED();
duk_heaphdr_refzero(thr, h);
}
+DUK_INTERNAL void duk_heaphdr_decref_norz(duk_hthread *thr, duk_heaphdr *h) {
+ DUK__DECREF_ASSERTS();
+ DUK__DECREF_SHARED();
+ duk_heaphdr_refzero_norz(thr, h);
+}
+#endif /* !DUK_USE_FAST_REFCOUNT_DEFAULT */
-DUK_INTERNAL void duk_heaphdr_decref_allownull(duk_hthread *thr, duk_heaphdr *h) {
- DUK_ASSERT(thr != NULL);
- DUK_ASSERT(thr->heap != NULL);
-
- if (h == NULL) {
- return;
- }
- DUK_ASSERT(DUK_HEAPHDR_HTYPE_VALID(h));
-
-#if defined(DUK_USE_ROM_OBJECTS)
- if (DUK_HEAPHDR_HAS_READONLY(h)) {
- return;
- }
-#endif
- DUK_ASSERT(DUK_HEAPHDR_GET_REFCOUNT(h) >= 1);
- if (DUK_HEAPHDR_PREDEC_REFCOUNT(h) != 0) {
- return;
- }
- duk_heaphdr_refzero(thr, h);
+#if 0 /* Not needed. */
+DUK_INTERNAL void duk_hstring_decref(duk_hthread *thr, duk_hstring *h) {
+ DUK__DECREF_ASSERTS();
+ DUK__DECREF_SHARED();
+ duk_hstring_refzero(thr, h);
+}
+DUK_INTERNAL void duk_hstring_decref_norz(duk_hthread *thr, duk_hstring *h) {
+ DUK__DECREF_ASSERTS();
+ DUK__DECREF_SHARED();
+ duk_hstring_refzero_norz(thr, h);
+}
+DUK_INTERNAL void duk_hbuffer_decref(duk_hthread *thr, duk_hbuffer *h) {
+ DUK__DECREF_ASSERTS();
+ DUK__DECREF_SHARED();
+ duk_hbuffer_refzero(thr, h);
+}
+DUK_INTERNAL void duk_hbuffer_decref_norz(duk_hthread *thr, duk_hbuffer *h) {
+ DUK__DECREF_ASSERTS();
+ DUK__DECREF_SHARED();
+ duk_hbuffer_refzero_norz(thr, h);
}
+DUK_INTERNAL void duk_hobject_decref(duk_hthread *thr, duk_hobject *h) {
+ DUK__DECREF_ASSERTS();
+ DUK__DECREF_SHARED();
+ duk_hobject_refzero(thr, h);
+}
+DUK_INTERNAL void duk_hobject_decref_norz(duk_hthread *thr, duk_hobject *h) {
+ DUK__DECREF_ASSERTS();
+ DUK__DECREF_SHARED();
+ duk_hobject_refzero_norz(thr, h);
+}
+#endif
-#else
+#else /* DUK_USE_REFERENCE_COUNTING */
/* no refcounting */
#endif /* DUK_USE_REFERENCE_COUNTING */
-#line 1 "duk_heap_stringcache.c"
+
+/* automatic undefs */
+#undef DUK__DECREF_ASSERTS
+#undef DUK__DECREF_SHARED
+#undef DUK__INCREF_SHARED
+#undef DUK__RZ_BUFFER
+#undef DUK__RZ_INLINE
+#undef DUK__RZ_OBJECT
+#undef DUK__RZ_STRING
+#undef DUK__RZ_SUPPRESS_CHECK
+#undef DUK__RZ_SUPPRESS_COND
/*
* String cache.
*
@@ -44541,7 +47274,7 @@ DUK_INTERNAL void duk_heaphdr_decref_allownull(duk_hthread *thr, duk_heaphdr *h)
* strings in (extended) UTF-8.
*/
-/* include removed: duk_internal.h */
+/* #include duk_internal.h -> already included */
/*
* Delete references to given hstring from the heap string cache.
@@ -44665,7 +47398,7 @@ DUK_INTERNAL duk_uint_fast32_t duk_heap_strcache_offset_char2byte(duk_hthread *t
use_cache = (DUK_HSTRING_GET_CHARLEN(h) > DUK_HEAP_STRINGCACHE_NOCACHE_LIMIT);
if (use_cache) {
-#ifdef DUK_USE_DDDPRINT
+#if defined(DUK_USE_DEBUG_LEVEL) && (DUK_USE_DEBUG_LEVEL >= 2)
DUK_DDD(DUK_DDDPRINT("stringcache before char2byte (using cache):"));
for (i = 0; i < DUK_HEAP_STRCACHE_SIZE; i++) {
duk_strcache *c = heap->strcache + i;
@@ -44814,7 +47547,7 @@ DUK_INTERNAL duk_uint_fast32_t duk_heap_strcache_offset_char2byte(duk_hthread *t
/* 'sce' points to the wrong entry here, but is no longer used */
}
-#ifdef DUK_USE_DDDPRINT
+#if defined(DUK_USE_DEBUG_LEVEL) && (DUK_USE_DEBUG_LEVEL >= 2)
DUK_DDD(DUK_DDDPRINT("stringcache after char2byte (using cache):"));
for (i = 0; i < DUK_HEAP_STRCACHE_SIZE; i++) {
duk_strcache *c = heap->strcache + i;
@@ -44827,15 +47560,14 @@ DUK_INTERNAL duk_uint_fast32_t duk_heap_strcache_offset_char2byte(duk_hthread *t
return byte_offset;
error:
- DUK_ERROR_INTERNAL_DEFMSG(thr);
+ DUK_ERROR_INTERNAL(thr);
return 0;
}
-#line 1 "duk_heap_stringtable.c"
/*
* Heap stringtable handling, string interning.
*/
-/* include removed: duk_internal.h */
+/* #include duk_internal.h -> already included */
#if defined(DUK_USE_STRTAB_PROBE)
#define DUK__HASH_INITIAL(hash,h_size) DUK_STRTAB_HASH_INITIAL((hash),(h_size))
@@ -44843,14 +47575,12 @@ DUK_INTERNAL duk_uint_fast32_t duk_heap_strcache_offset_char2byte(duk_hthread *t
#define DUK__DELETED_MARKER(heap) DUK_STRTAB_DELETED_MARKER((heap))
#endif
-#if defined(DUK_USE_MARK_AND_SWEEP)
#define DUK__PREVENT_MS_SIDE_EFFECTS(heap) do { \
(heap)->mark_and_sweep_base_flags |= \
DUK_MS_FLAG_NO_STRINGTABLE_RESIZE | /* avoid recursive string table call */ \
DUK_MS_FLAG_NO_FINALIZERS | /* avoid pressure to add/remove strings, invalidation of call data argument, etc. */ \
DUK_MS_FLAG_NO_OBJECT_COMPACTION; /* avoid array abandoning which interns strings */ \
} while (0)
-#endif
/*
* Create a hstring and insert into the heap. The created object
@@ -44870,7 +47600,9 @@ duk_hstring *duk__alloc_init_hstring(duk_heap *heap,
duk_hstring *res = NULL;
duk_uint8_t *data;
duk_size_t alloc_size;
+#if !defined(DUK_USE_HSTRING_ARRIDX)
duk_uarridx_t dummy;
+#endif
duk_uint32_t clen;
#if defined(DUK_USE_STRLEN16)
@@ -44913,20 +47645,26 @@ duk_hstring *duk__alloc_init_hstring(duk_heap *heap,
}
DUK_ASSERT(!DUK_HSTRING_HAS_ARRIDX(res));
+#if defined(DUK_USE_HSTRING_ARRIDX)
+ if (duk_js_to_arrayindex_raw_string(str, blen, &res->arridx)) {
+#else
if (duk_js_to_arrayindex_raw_string(str, blen, &dummy)) {
+#endif
DUK_HSTRING_SET_ARRIDX(res);
}
- /* All strings beginning with 0xff are treated as "internal",
- * even strings interned by the user. This allows user code to
- * create internal properties too, and makes behavior consistent
- * in case user code happens to use a string also used by Duktape
- * (such as string has already been interned and has the 'internal'
- * flag set).
+ /* All strings beginning with specific (invalid UTF-8) byte prefixes
+ * are treated as symbols.
*/
- DUK_ASSERT(!DUK_HSTRING_HAS_INTERNAL(res));
- if (blen > 0 && str[0] == (duk_uint8_t) 0xff) {
- DUK_HSTRING_SET_INTERNAL(res);
+ DUK_ASSERT(!DUK_HSTRING_HAS_SYMBOL(res));
+ DUK_ASSERT(!DUK_HSTRING_HAS_HIDDEN(res));
+ if (blen > 0) {
+ if (str[0] == 0xffU) {
+ DUK_HSTRING_SET_SYMBOL(res);
+ DUK_HSTRING_SET_HIDDEN(res);
+ } else if ((str[0] & 0xc0U) == 0x80U) {
+ DUK_HSTRING_SET_SYMBOL(res);
+ }
}
DUK_HSTRING_SET_HASH(res, strhash);
@@ -45496,7 +48234,7 @@ DUK_LOCAL duk_bool_t duk__resize_strtab_raw_probe(duk_heap *heap, duk_uint32_t n
DUK_UNREF(old_used); /* unused with some debug level combinations */
#endif
-#ifdef DUK_USE_DDDPRINT
+#if defined(DUK_USE_DEBUG_LEVEL) && (DUK_USE_DEBUG_LEVEL >= 2)
DUK_DDD(DUK_DDDPRINT("attempt to resize stringtable: %ld entries, %ld bytes, %ld used, %ld%% load -> %ld entries, %ld bytes, %ld used, %ld%% load",
(long) old_size, (long) (sizeof(duk_hstring *) * old_size), (long) old_used,
(long) (((double) old_used) / ((double) old_size) * 100.0),
@@ -45514,11 +48252,9 @@ DUK_LOCAL duk_bool_t duk__resize_strtab_raw_probe(duk_heap *heap, duk_uint32_t n
* string table. Call site must prevent these.
*/
-#if defined(DUK_USE_MARK_AND_SWEEP)
DUK_ASSERT(heap->mark_and_sweep_base_flags & DUK_MS_FLAG_NO_STRINGTABLE_RESIZE);
DUK_ASSERT(heap->mark_and_sweep_base_flags & DUK_MS_FLAG_NO_FINALIZERS);
DUK_ASSERT(heap->mark_and_sweep_base_flags & DUK_MS_FLAG_NO_OBJECT_COMPACTION);
-#endif
#if defined(DUK_USE_HEAPPTR16)
new_entries = (duk_uint16_t *) DUK_ALLOC(heap, sizeof(duk_uint16_t) * new_size);
@@ -45563,7 +48299,7 @@ DUK_LOCAL duk_bool_t duk__resize_strtab_raw_probe(duk_heap *heap, duk_uint32_t n
duk__insert_hstring_probe(heap, new_entries, new_size, &new_used, e);
}
-#ifdef DUK_USE_DDPRINT
+#if defined(DUK_USE_DEBUG_LEVEL) && (DUK_USE_DEBUG_LEVEL >= 1)
DUK_DD(DUK_DDPRINT("resized stringtable: %ld entries, %ld bytes, %ld used, %ld%% load -> %ld entries, %ld bytes, %ld used, %ld%% load",
(long) old_size, (long) (sizeof(duk_hstring *) * old_size), (long) old_used,
(long) (((double) old_used) / ((double) old_size) * 100.0),
@@ -45666,20 +48402,16 @@ DUK_INTERNAL void duk_heap_dump_strtab(duk_heap *heap) {
DUK_LOCAL duk_hstring *duk__do_intern(duk_heap *heap, const duk_uint8_t *str, duk_uint32_t blen, duk_uint32_t strhash) {
duk_hstring *res;
const duk_uint8_t *extdata;
-#if defined(DUK_USE_MARK_AND_SWEEP)
duk_small_uint_t prev_mark_and_sweep_base_flags;
-#endif
/* Prevent any side effects on the string table and the caller provided
* str/blen arguments while interning is in progress. For example, if
* the caller provided str/blen from a dynamic buffer, a finalizer might
* resize that dynamic buffer, invalidating the call arguments.
*/
-#if defined(DUK_USE_MARK_AND_SWEEP)
DUK_ASSERT((heap->mark_and_sweep_base_flags & DUK_MS_FLAG_NO_STRINGTABLE_RESIZE) == 0);
prev_mark_and_sweep_base_flags = heap->mark_and_sweep_base_flags;
DUK__PREVENT_MS_SIDE_EFFECTS(heap);
-#endif
#if defined(DUK_USE_STRTAB_PROBE)
if (duk__recheck_strtab_size_probe(heap, heap->st_used + 1)) {
@@ -45687,23 +48419,6 @@ DUK_LOCAL duk_hstring *duk__do_intern(duk_heap *heap, const duk_uint8_t *str, du
}
#endif
- /* For manual testing only. */
-#if 0
- {
- duk_size_t i;
- DUK_PRINTF("INTERN: \"");
- for (i = 0; i < blen; i++) {
- duk_uint8_t x = str[i];
- if (x >= 0x20 && x <= 0x7e && x != '"' && x != '\\') {
- DUK_PRINTF("%c", (int) x); /* char: use int cast */
- } else {
- DUK_PRINTF("\\x%02lx", (long) x);
- }
- }
- DUK_PRINTF("\"\n");
- }
-#endif
-
#if defined(DUK_USE_HSTRING_EXTDATA) && defined(DUK_USE_EXTSTR_INTERN_CHECK)
extdata = (const duk_uint8_t *) DUK_USE_EXTSTR_INTERN_CHECK(heap->heap_udata, (void *) DUK_LOSE_CONST(str), (duk_size_t) blen);
#else
@@ -45741,9 +48456,7 @@ DUK_LOCAL duk_hstring *duk__do_intern(duk_heap *heap, const duk_uint8_t *str, du
*/
done:
-#if defined(DUK_USE_MARK_AND_SWEEP)
heap->mark_and_sweep_base_flags = prev_mark_and_sweep_base_flags;
-#endif
return res;
failed:
@@ -45829,7 +48542,7 @@ DUK_INTERNAL duk_hstring *duk_heap_string_intern(duk_heap *heap, const duk_uint8
DUK_INTERNAL duk_hstring *duk_heap_string_intern_checked(duk_hthread *thr, const duk_uint8_t *str, duk_uint32_t blen) {
duk_hstring *res = duk_heap_string_intern(thr->heap, str, blen);
if (!res) {
- DUK_ERROR_ALLOC_DEFMSG(thr);
+ DUK_ERROR_ALLOC_FAILED(thr);
}
return res;
}
@@ -45855,7 +48568,7 @@ DUK_INTERNAL duk_hstring *duk_heap_string_intern_u32(duk_heap *heap, duk_uint32_
DUK_INTERNAL duk_hstring *duk_heap_string_intern_u32_checked(duk_hthread *thr, duk_uint32_t val) {
duk_hstring *res = duk_heap_string_intern_u32(thr->heap, val);
if (!res) {
- DUK_ERROR_ALLOC_DEFMSG(thr);
+ DUK_ERROR_ALLOC_FAILED(thr);
}
return res;
}
@@ -45882,7 +48595,7 @@ DUK_INTERNAL void duk_heap_string_remove(duk_heap *heap, duk_hstring *h) {
}
#endif
-#if defined(DUK_USE_MARK_AND_SWEEP) && defined(DUK_USE_MS_STRINGTABLE_RESIZE)
+#if defined(DUK_USE_MS_STRINGTABLE_RESIZE)
DUK_INTERNAL void duk_heap_force_strtab_resize(duk_heap *heap) {
duk_small_uint_t prev_mark_and_sweep_base_flags;
/* Force a resize so that DELETED entries are eliminated.
@@ -45940,8 +48653,7 @@ DUK_INTERNAL void duk_heap_free_strtab(duk_heap *heap) {
#endif
/* strings may have inner refs (extdata) in some cases */
if (h != NULL) {
- duk_free_hstring_inner(heap, h);
- DUK_FREE(heap, h);
+ duk_free_hstring(heap, h);
}
}
#if defined(DUK_USE_HEAPPTR16)
@@ -45959,8 +48671,7 @@ DUK_INTERNAL void duk_heap_free_strtab(duk_heap *heap) {
e->u.str = NULL;
#endif
if (h != NULL) {
- duk_free_hstring_inner(heap, h);
- DUK_FREE(heap, h);
+ duk_free_hstring(heap, h);
}
}
e->listlen = 0;
@@ -45990,8 +48701,7 @@ DUK_INTERNAL void duk_heap_free_strtab(duk_heap *heap) {
DUK_ASSERT(h != NULL);
/* strings may have inner refs (extdata) in some cases */
- duk_free_hstring_inner(heap, h);
- DUK_FREE(heap, h);
+ duk_free_hstring(heap, h);
#if 0 /* not strictly necessary */
heap->strtable[i] = NULL;
#endif
@@ -46008,11 +48718,11 @@ DUK_INTERNAL void duk_heap_free_strtab(duk_heap *heap) {
}
#endif /* DUK_USE_STRTAB_PROBE */
-/* Undefine local defines */
+/* automatic undefs */
+#undef DUK__DELETED_MARKER
#undef DUK__HASH_INITIAL
#undef DUK__HASH_PROBE_STEP
-#undef DUK__DELETED_MARKER
-#line 1 "duk_hobject_alloc.c"
+#undef DUK__PREVENT_MS_SIDE_EFFECTS
/*
* Hobject allocation.
*
@@ -46021,10 +48731,10 @@ DUK_INTERNAL void duk_heap_free_strtab(duk_heap *heap) {
* in "heap allocated" list and has a refcount of zero, so caller must careful.
*/
-/* include removed: duk_internal.h */
+/* #include duk_internal.h -> already included */
DUK_LOCAL void duk__init_object_parts(duk_heap *heap, duk_hobject *obj, duk_uint_t hobject_flags) {
-#ifdef DUK_USE_EXPLICIT_NULL_INIT
+#if defined(DUK_USE_EXPLICIT_NULL_INIT)
DUK_HOBJECT_SET_PROPS(heap, obj, NULL);
#endif
@@ -46067,8 +48777,8 @@ DUK_INTERNAL duk_hobject *duk_hobject_alloc(duk_heap *heap, duk_uint_t hobject_f
DUK_ASSERT(heap != NULL);
/* different memory layout, alloc size, and init */
- DUK_ASSERT((hobject_flags & DUK_HOBJECT_FLAG_COMPILEDFUNCTION) == 0);
- DUK_ASSERT((hobject_flags & DUK_HOBJECT_FLAG_NATIVEFUNCTION) == 0);
+ DUK_ASSERT((hobject_flags & DUK_HOBJECT_FLAG_COMPFUNC) == 0);
+ DUK_ASSERT((hobject_flags & DUK_HOBJECT_FLAG_NATFUNC) == 0);
DUK_ASSERT((hobject_flags & DUK_HOBJECT_FLAG_THREAD) == 0);
res = (duk_hobject *) DUK_ALLOC(heap, sizeof(duk_hobject));
@@ -46082,66 +48792,71 @@ DUK_INTERNAL duk_hobject *duk_hobject_alloc(duk_heap *heap, duk_uint_t hobject_f
return res;
}
-DUK_INTERNAL duk_hcompiledfunction *duk_hcompiledfunction_alloc(duk_heap *heap, duk_uint_t hobject_flags) {
- duk_hcompiledfunction *res;
+DUK_INTERNAL duk_hcompfunc *duk_hcompfunc_alloc(duk_heap *heap, duk_uint_t hobject_flags) {
+ duk_hcompfunc *res;
- res = (duk_hcompiledfunction *) DUK_ALLOC(heap, sizeof(duk_hcompiledfunction));
+ res = (duk_hcompfunc *) DUK_ALLOC(heap, sizeof(duk_hcompfunc));
if (!res) {
return NULL;
}
- DUK_MEMZERO(res, sizeof(duk_hcompiledfunction));
+ DUK_MEMZERO(res, sizeof(duk_hcompfunc));
duk__init_object_parts(heap, &res->obj, hobject_flags);
-#ifdef DUK_USE_EXPLICIT_NULL_INIT
-#ifdef DUK_USE_HEAPPTR16
+#if defined(DUK_USE_EXPLICIT_NULL_INIT)
+#if defined(DUK_USE_HEAPPTR16)
/* NULL pointer is required to encode to zero, so memset is enough. */
#else
res->data = NULL;
res->funcs = NULL;
res->bytecode = NULL;
#endif
+ res->lex_env = NULL;
+ res->var_env = NULL;
#endif
return res;
}
-DUK_INTERNAL duk_hnativefunction *duk_hnativefunction_alloc(duk_heap *heap, duk_uint_t hobject_flags) {
- duk_hnativefunction *res;
+DUK_INTERNAL duk_hnatfunc *duk_hnatfunc_alloc(duk_heap *heap, duk_uint_t hobject_flags) {
+ duk_hnatfunc *res;
- res = (duk_hnativefunction *) DUK_ALLOC(heap, sizeof(duk_hnativefunction));
+ res = (duk_hnatfunc *) DUK_ALLOC(heap, sizeof(duk_hnatfunc));
if (!res) {
return NULL;
}
- DUK_MEMZERO(res, sizeof(duk_hnativefunction));
+ DUK_MEMZERO(res, sizeof(duk_hnatfunc));
duk__init_object_parts(heap, &res->obj, hobject_flags);
-#ifdef DUK_USE_EXPLICIT_NULL_INIT
+#if defined(DUK_USE_EXPLICIT_NULL_INIT)
res->func = NULL;
#endif
return res;
}
-DUK_INTERNAL duk_hbufferobject *duk_hbufferobject_alloc(duk_heap *heap, duk_uint_t hobject_flags) {
- duk_hbufferobject *res;
+#if defined(DUK_USE_BUFFEROBJECT_SUPPORT)
+DUK_INTERNAL duk_hbufobj *duk_hbufobj_alloc(duk_heap *heap, duk_uint_t hobject_flags) {
+ duk_hbufobj *res;
- res = (duk_hbufferobject *) DUK_ALLOC(heap, sizeof(duk_hbufferobject));
+ res = (duk_hbufobj *) DUK_ALLOC(heap, sizeof(duk_hbufobj));
if (!res) {
return NULL;
}
- DUK_MEMZERO(res, sizeof(duk_hbufferobject));
+ DUK_MEMZERO(res, sizeof(duk_hbufobj));
duk__init_object_parts(heap, &res->obj, hobject_flags);
-#ifdef DUK_USE_EXPLICIT_NULL_INIT
+#if defined(DUK_USE_EXPLICIT_NULL_INIT)
res->buf = NULL;
+ res->buf_prop = NULL;
#endif
- DUK_ASSERT_HBUFFEROBJECT_VALID(res);
+ DUK_ASSERT_HBUFOBJ_VALID(res);
return res;
}
+#endif /* DUK_USE_BUFFEROBJECT_SUPPORT */
/*
* Allocate a new thread.
@@ -46162,7 +48877,7 @@ DUK_INTERNAL duk_hthread *duk_hthread_alloc(duk_heap *heap, duk_uint_t hobject_f
duk__init_object_parts(heap, &res->obj, hobject_flags);
-#ifdef DUK_USE_EXPLICIT_NULL_INIT
+#if defined(DUK_USE_EXPLICIT_NULL_INIT)
res->ptr_curr_pc = NULL;
res->heap = NULL;
res->valstack = NULL;
@@ -46173,7 +48888,7 @@ DUK_INTERNAL duk_hthread *duk_hthread_alloc(duk_heap *heap, duk_uint_t hobject_f
res->catchstack = NULL;
res->resumer = NULL;
res->compile_ctx = NULL,
-#ifdef DUK_USE_HEAPPTR16
+#if defined(DUK_USE_HEAPPTR16)
res->strs16 = NULL;
#else
res->strs = NULL;
@@ -46200,14 +48915,33 @@ DUK_INTERNAL duk_hthread *duk_hthread_alloc(duk_heap *heap, duk_uint_t hobject_f
DUK_INTERNAL duk_hobject *duk_hobject_alloc_checked(duk_hthread *thr, duk_uint_t hobject_flags) {
duk_hobject *res = duk_hobject_alloc(thr->heap, hobject_flags);
if (!res) {
- DUK_ERROR_ALLOC_DEFMSG(thr);
+ DUK_ERROR_ALLOC_FAILED(thr);
}
return res;
}
#endif
-#line 1 "duk_hobject_enum.c"
+
+/*
+ * Allocate a new array.
+ */
+
+DUK_INTERNAL duk_harray *duk_harray_alloc(duk_heap *heap, duk_uint_t hobject_flags) {
+ duk_harray *res;
+
+ res = (duk_harray *) DUK_ALLOC(heap, sizeof(duk_harray));
+ if (!res) {
+ return NULL;
+ }
+ DUK_MEMZERO(res, sizeof(duk_harray));
+
+ duk__init_object_parts(heap, &res->obj, hobject_flags);
+
+ DUK_ASSERT(res->length == 0);
+
+ return res;
+}
/*
- * Hobject enumeration support.
+ * Object enumeration support.
*
* Creates an internal enumeration state object to be used e.g. with for-in
* enumeration. The state object contains a snapshot of target object keys
@@ -46225,145 +48959,219 @@ DUK_INTERNAL duk_hobject *duk_hobject_alloc_checked(duk_hthread *thr, duk_uint_t
* enumerator object is memory inefficient especially for iterating arrays.
*/
-/* include removed: duk_internal.h */
+/* #include duk_internal.h -> already included */
/* XXX: identify enumeration target with an object index (not top of stack) */
-/* must match exactly the number of internal properties inserted to enumerator */
+/* First enumerated key index in enumerator object, must match exactly the
+ * number of control properties inserted to the enumerator.
+ */
#define DUK__ENUM_START_INDEX 2
-DUK_LOCAL const duk_uint16_t duk__bufferobject_virtual_props[] = {
- DUK_STRIDX_LENGTH,
- DUK_STRIDX_BYTE_LENGTH,
- DUK_STRIDX_BYTE_OFFSET,
- DUK_STRIDX_BYTES_PER_ELEMENT
-};
+#if 0
+/* Current implementation suffices for ES2015 for now because there's no symbol
+ * sorting, so commented out for now.
+ */
/*
- * Helper to sort array index keys. The keys are in the enumeration object
- * entry part, starting from DUK__ENUM_START_INDEX, and the entry part is dense.
- *
- * We use insertion sort because it is simple (leading to compact code,)
- * works nicely in-place, and minimizes operations if data is already sorted
- * or nearly sorted (which is a very common case here). It also minimizes
- * the use of element comparisons in general. This is nice because element
- * comparisons here involve re-parsing the string keys into numbers each
- * time, which is naturally very expensive.
- *
- * Note that the entry part values are all "true", e.g.
- *
- * "1" -> true, "3" -> true, "2" -> true
- *
- * so it suffices to only work in the key part without exchanging any keys,
- * simplifying the sort.
+ * Helper to sort enumeration keys using a callback for pairwise duk_hstring
+ * comparisons. The keys are in the enumeration object entry part, starting
+ * from DUK__ENUM_START_INDEX, and the entry part is dense. Entry part values
+ * are all "true", e.g. "1" -> true, "3" -> true, "foo" -> true "2" -> true,
+ * so it suffices to just switch keys without switching values.
*
+ * Insertion sort is used because (1) it's simple and compact, (2) works
+ * in-place, (3) minimizes operations if data is already nearly sorted,
+ * (4) doesn't reorder elements considered equal.
* http://en.wikipedia.org/wiki/Insertion_sort
- *
- * (Compiles to about 160 bytes now as a stand-alone function.)
*/
-DUK_LOCAL void duk__sort_array_indices(duk_hthread *thr, duk_hobject *h_obj) {
+typedef duk_bool_t (*duk__sort_compare_fn)(duk_hstring *a, duk_hstring *b, duk_uarridx_t val_b);
+
+DUK_LOCAL duk_bool_t duk__sort_compare_es6(duk_hstring *a, duk_hstring *b, duk_uarridx_t val_b) {
+ duk_uarridx_t val_a;
+
+ DUK_ASSERT(a != NULL);
+ DUK_ASSERT(b != NULL);
+ DUK_UNREF(b); /* Not actually needed now, val_b suffices. */
+
+ /* ES2015 [[OwnPropertyKeys]] enumeration order for ordinary objects:
+ * (1) array indices in ascending order, (2) non-array-index keys in
+ * insertion order, symbols in insertion order:
+ * http://www.ecma-international.org/ecma-262/6.0/#sec-ordinary-object-internal-methods-and-internal-slots-ownpropertykeys.
+ *
+ * This rule is applied to "own properties" at each inheritance level;
+ * non-duplicate parent keys always follow child keys. For example,
+ * an inherited array index will enumerate -after- a symbol in the
+ * child.
+ */
+
+ val_a = DUK_HSTRING_GET_ARRIDX_FAST(a);
+
+ if (val_b < val_a) {
+ /* Covers:
+ * - Both keys are array indices and a > b: don't insert here.
+ * - 'b' is array index, 'a' is not: don't insert here.
+ */
+ return 0;
+ } else {
+ /* Covers:
+ * val_a < val_b where:
+ * - Both keys are array indices and a < b: insert here.
+ * - 'a' is array index, 'b' is not: insert here.
+ * val_a == val_b where:
+ * - Both keys are array indices and a == b: insert here
+ * (shouldn't actually happen, can't have non-duplicate
+ * identical array index keys).
+ * - Neither key is an array index: insert here, keeps key
+ * order regardless of the keys themselves.
+ */
+ return 1;
+ }
+}
+
+DUK_LOCAL void duk__sort_enum_keys_es6(duk_hthread *thr, duk_hobject *h_obj, duk_int_fast32_t idx_start, duk_int_fast32_t idx_end) {
duk_hstring **keys;
- duk_hstring **p_curr, **p_insert, **p_end;
- duk_hstring *h_curr;
- duk_uarridx_t val_highest, val_curr, val_insert;
+ duk_int_fast32_t idx;
DUK_ASSERT(h_obj != NULL);
- DUK_ASSERT(DUK_HOBJECT_GET_ENEXT(h_obj) >= 2); /* control props */
+ DUK_ASSERT(idx_start >= DUK__ENUM_START_INDEX);
+ DUK_ASSERT(idx_end >= idx_start);
DUK_UNREF(thr);
- if (DUK_HOBJECT_GET_ENEXT(h_obj) <= 1 + DUK__ENUM_START_INDEX) {
- return;
+ if (idx_end <= idx_start + 1) {
+ return; /* Zero or one element(s). */
}
keys = DUK_HOBJECT_E_GET_KEY_BASE(thr->heap, h_obj);
- p_end = keys + DUK_HOBJECT_GET_ENEXT(h_obj);
- keys += DUK__ENUM_START_INDEX;
- DUK_DDD(DUK_DDDPRINT("keys=%p, p_end=%p (after skipping enum props)",
- (void *) keys, (void *) p_end));
+ for (idx = idx_start + 1; idx < idx_end; idx++) {
+ duk_hstring *h_curr;
+ duk_int_fast32_t idx_insert;
+ duk_uarridx_t val_curr;
-#ifdef DUK_USE_DDDPRINT
- {
- duk_uint_fast32_t i;
- for (i = 0; i < (duk_uint_fast32_t) DUK_HOBJECT_GET_ENEXT(h_obj); i++) {
- DUK_DDD(DUK_DDDPRINT("initial: %ld %p -> %!O",
- (long) i,
- (void *) DUK_HOBJECT_E_GET_KEY_PTR(thr->heap, h_obj, i),
- (duk_heaphdr *) DUK_HOBJECT_E_GET_KEY(thr->heap, h_obj, i)));
+ h_curr = keys[idx];
+ DUK_ASSERT(h_curr != NULL);
+
+ /* Scan backwards for insertion place. This works very well
+ * when the elements are nearly in order which is the common
+ * (and optimized for) case.
+ */
+
+ val_curr = DUK_HSTRING_GET_ARRIDX_FAST(h_curr); /* Remains same during scanning. */
+ for (idx_insert = idx - 1; idx_insert >= idx_start; idx_insert--) {
+ duk_hstring *h_insert;
+ h_insert = keys[idx_insert];
+ DUK_ASSERT(h_insert != NULL);
+
+ /* XXX: fixed callback rather than a callback argument; only
+ * one argument used and using a callback argument doesn't
+ * cause e.g. gcc to inline the callback.
+ */
+ if (duk__sort_compare_es6(h_insert, h_curr, val_curr)) {
+ break;
+ }
+ }
+ /* If we're out of indices, idx_insert == idx_start - 1 and idx_insert++
+ * brings us back to idx_start.
+ */
+ idx_insert++;
+ DUK_ASSERT(idx_insert >= 0 && idx_insert <= idx);
+
+ /* .-- p_insert .-- p_curr
+ * v v
+ * | ... | insert | ... | curr
+ */
+
+ /* This could also done when the keys are in order, i.e.
+ * idx_insert == idx. The result would be an unnecessary
+ * memmove() but we use an explicit check because the keys
+ * are very often in order already.
+ */
+ if (idx != idx_insert) {
+ DUK_MEMMOVE((void *) (keys + idx_insert + 1),
+ (const void *) (keys + idx_insert),
+ (size_t) ((idx - idx_insert) * sizeof(duk_hstring *)));
+ keys[idx_insert] = h_curr;
}
}
-#endif
+}
+#endif /* disabled */
+
+/*
+ * Helper to sort keys into ES2015 [[OwnPropertyKeys]] enumeration order:
+ * array keys in ascending order first, followed by keys in insertion
+ * order, followed by symbols in insertion order (not handled here).
+ * Insertion sort based.
+ *
+ * This algorithm nominally sorts array indices, but because the "no array
+ * index" marker is higher than any array index, non-array-index keys are
+ * sorted after array indices. Non-array-index keys are also considered
+ * equal for sorting which means that their order is kept as is, so the end
+ * result matches ES2015 [[OwnPropertyKeys]].
+ *
+ * Insertion sort is used because (1) it's simple and compact, (2) works
+ * in-place, (3) minimizes operations if data is already nearly sorted,
+ * (4) doesn't reorder elements considered equal.
+ * http://en.wikipedia.org/wiki/Insertion_sort
+ */
+
+DUK_LOCAL void duk__sort_enum_keys_es6(duk_hthread *thr, duk_hobject *h_obj, duk_int_fast32_t idx_start, duk_int_fast32_t idx_end) {
+ duk_hstring **keys;
+ duk_hstring **p_curr, **p_insert, **p_end;
+ duk_hstring *h_curr;
+ duk_uarridx_t val_highest, val_curr, val_insert;
+
+ DUK_ASSERT(h_obj != NULL);
+ DUK_ASSERT(idx_start >= DUK__ENUM_START_INDEX);
+ DUK_ASSERT(idx_end >= idx_start);
+ DUK_UNREF(thr);
- val_highest = DUK_HSTRING_GET_ARRIDX_SLOW(keys[0]);
- for (p_curr = keys + 1; p_curr < p_end; p_curr++) {
+ if (idx_end <= idx_start + 1) {
+ return; /* Zero or one element(s). */
+ }
+
+ keys = DUK_HOBJECT_E_GET_KEY_BASE(thr->heap, h_obj);
+ p_curr = keys + idx_start;
+ val_highest = DUK_HSTRING_GET_ARRIDX_SLOW(*p_curr);
+ for (p_curr++, p_end = keys + idx_end; p_curr < p_end; p_curr++) {
DUK_ASSERT(*p_curr != NULL);
val_curr = DUK_HSTRING_GET_ARRIDX_SLOW(*p_curr);
if (val_curr >= val_highest) {
- DUK_DDD(DUK_DDDPRINT("p_curr=%p, p_end=%p, val_highest=%ld, val_curr=%ld -> "
- "already in correct order, next",
- (void *) p_curr, (void *) p_end, (long) val_highest, (long) val_curr));
val_highest = val_curr;
continue;
}
- DUK_DDD(DUK_DDDPRINT("p_curr=%p, p_end=%p, val_highest=%ld, val_curr=%ld -> "
- "needs to be inserted",
- (void *) p_curr, (void *) p_end, (long) val_highest, (long) val_curr));
-
/* Needs to be inserted; scan backwards, since we optimize
* for the case where elements are nearly in order.
*/
- p_insert = p_curr - 1;
+ p_insert = p_curr;
for (;;) {
+ p_insert--; /* Start from p_curr - 1. */
val_insert = DUK_HSTRING_GET_ARRIDX_SLOW(*p_insert);
if (val_insert < val_curr) {
- DUK_DDD(DUK_DDDPRINT("p_insert=%p, val_insert=%ld, val_curr=%ld -> insert after this",
- (void *) p_insert, (long) val_insert, (long) val_curr));
p_insert++;
break;
}
- if (p_insert == keys) {
- DUK_DDD(DUK_DDDPRINT("p_insert=%p -> out of keys, insert to beginning", (void *) p_insert));
+ if (p_insert == keys + idx_start) {
break;
}
- DUK_DDD(DUK_DDDPRINT("p_insert=%p, val_insert=%ld, val_curr=%ld -> search backwards",
- (void *) p_insert, (long) val_insert, (long) val_curr));
- p_insert--;
}
- DUK_DDD(DUK_DDDPRINT("final p_insert=%p", (void *) p_insert));
-
/* .-- p_insert .-- p_curr
* v v
* | ... | insert | ... | curr
*/
h_curr = *p_curr;
- DUK_DDD(DUK_DDDPRINT("memmove: dest=%p, src=%p, size=%ld, h_curr=%p",
- (void *) (p_insert + 1), (void *) p_insert,
- (long) (p_curr - p_insert), (void *) h_curr));
-
DUK_MEMMOVE((void *) (p_insert + 1),
(const void *) p_insert,
(size_t) ((p_curr - p_insert) * sizeof(duk_hstring *)));
*p_insert = h_curr;
/* keep val_highest */
}
-
-#ifdef DUK_USE_DDDPRINT
- {
- duk_uint_fast32_t i;
- for (i = 0; i < (duk_uint_fast32_t) DUK_HOBJECT_GET_ENEXT(h_obj); i++) {
- DUK_DDD(DUK_DDDPRINT("final: %ld %p -> %!O",
- (long) i,
- (void *) DUK_HOBJECT_E_GET_KEY_PTR(thr->heap, h_obj, i),
- (duk_heaphdr *) DUK_HOBJECT_E_GET_KEY(thr->heap, h_obj, i)));
- }
- }
-#endif
}
/*
@@ -46375,6 +49183,16 @@ DUK_LOCAL void duk__sort_array_indices(duk_hthread *thr, duk_hobject *h_obj) {
* scan would be needed to eliminate duplicates found in the prototype chain.
*/
+DUK_LOCAL void duk__add_enum_key(duk_context *ctx, duk_hstring *k) {
+ duk_push_hstring(ctx, k);
+ duk_push_true(ctx);
+ duk_put_prop(ctx, -3);
+}
+
+DUK_LOCAL void duk__add_enum_key_stridx(duk_context *ctx, duk_small_uint_t stridx) {
+ duk__add_enum_key(ctx, DUK_HTHREAD_GET_STRING((duk_hthread *) ctx, stridx));
+}
+
DUK_INTERNAL void duk_hobject_enumerator_create(duk_context *ctx, duk_small_uint_t enum_flags) {
duk_hthread *thr = (duk_hthread *) ctx;
duk_hobject *enum_target;
@@ -46386,18 +49204,15 @@ DUK_INTERNAL void duk_hobject_enumerator_create(duk_context *ctx, duk_small_uint
duk_hobject *h_trap_result;
#endif
duk_uint_fast32_t i, len; /* used for array, stack, and entry indices */
+ duk_uint_fast32_t sort_start_index;
DUK_ASSERT(ctx != NULL);
- DUK_DDD(DUK_DDDPRINT("create enumerator, stack top: %ld", (long) duk_get_top(ctx)));
-
enum_target = duk_require_hobject(ctx, -1);
DUK_ASSERT(enum_target != NULL);
- duk_push_object_internal(ctx);
- res = duk_require_hobject(ctx, -1);
-
- DUK_DDD(DUK_DDDPRINT("created internal object"));
+ duk_push_bare_object(ctx);
+ res = duk_known_hobject(ctx, -1);
/* [enum_target res] */
@@ -46407,11 +49222,11 @@ DUK_INTERNAL void duk_hobject_enumerator_create(duk_context *ctx, duk_small_uint
* real object to check against.
*/
duk_push_hobject(ctx, enum_target);
- duk_put_prop_stridx(ctx, -2, DUK_STRIDX_INT_TARGET);
+ duk_put_prop_stridx_short(ctx, -2, DUK_STRIDX_INT_TARGET);
/* Initialize index so that we skip internal control keys. */
duk_push_int(ctx, DUK__ENUM_START_INDEX);
- duk_put_prop_stridx(ctx, -2, DUK_STRIDX_INT_NEXT);
+ duk_put_prop_stridx_short(ctx, -2, DUK_STRIDX_INT_NEXT);
/*
* Proxy object handling
@@ -46428,20 +49243,25 @@ DUK_INTERNAL void duk_hobject_enumerator_create(duk_context *ctx, duk_small_uint
goto skip_proxy;
}
+ /* XXX: share code with Object.keys() Proxy handling */
+
+ /* In ES2015 for-in invoked the "enumerate" trap; in ES2016 "enumerate"
+ * has been obsoleted and "ownKeys" is used instead.
+ */
DUK_DDD(DUK_DDDPRINT("proxy enumeration"));
duk_push_hobject(ctx, h_proxy_handler);
- if (!duk_get_prop_stridx(ctx, -1, DUK_STRIDX_ENUMERATE)) {
+ if (!duk_get_prop_stridx_short(ctx, -1, DUK_STRIDX_OWN_KEYS)) {
/* No need to replace the 'enum_target' value in stack, only the
* enum_target reference. This also ensures that the original
* enum target is reachable, which keeps the proxy and the proxy
* target reachable. We do need to replace the internal _Target.
*/
- DUK_DDD(DUK_DDDPRINT("no enumerate trap, enumerate proxy target instead"));
+ DUK_DDD(DUK_DDDPRINT("no ownKeys trap, enumerate proxy target instead"));
DUK_DDD(DUK_DDDPRINT("h_proxy_target=%!O", (duk_heaphdr *) h_proxy_target));
enum_target = h_proxy_target;
duk_push_hobject(ctx, enum_target); /* -> [ ... enum_target res handler undefined target ] */
- duk_put_prop_stridx(ctx, -4, DUK_STRIDX_INT_TARGET);
+ duk_put_prop_stridx_short(ctx, -4, DUK_STRIDX_INT_TARGET);
duk_pop_2(ctx); /* -> [ ... enum_target res ] */
goto skip_proxy;
@@ -46454,29 +49274,24 @@ DUK_INTERNAL void duk_hobject_enumerator_create(duk_context *ctx, duk_small_uint
h_trap_result = duk_require_hobject(ctx, -1);
DUK_UNREF(h_trap_result);
- /* Copy trap result keys into the enumerator object. */
+ duk_proxy_ownkeys_postprocess(ctx, h_proxy_target, enum_flags);
+ /* -> [ ... enum_target res trap_result keys_array ] */
+
+ /* Copy cleaned up trap result keys into the enumerator object. */
+ /* XXX: result is a dense array; could make use of that. */
+ DUK_ASSERT(duk_is_array(ctx, -1));
len = (duk_uint_fast32_t) duk_get_length(ctx, -1);
for (i = 0; i < len; i++) {
- /* XXX: not sure what the correct semantic details are here,
- * e.g. handling of missing values (gaps), handling of non-array
- * trap results, etc.
- *
- * For keys, we simply skip non-string keys which seems to be
- * consistent with how e.g. Object.keys() will process proxy trap
- * results (ES6, Section 19.1.2.14).
- */
- if (duk_get_prop_index(ctx, -1, i) && duk_is_string(ctx, -1)) {
- /* [ ... enum_target res trap_result val ] */
- duk_push_true(ctx);
- /* [ ... enum_target res trap_result val true ] */
- duk_put_prop(ctx, -4);
- } else {
- duk_pop(ctx);
- }
+ (void) duk_get_prop_index(ctx, -1, i);
+ DUK_ASSERT(duk_is_string(ctx, -1)); /* postprocess cleaned up */
+ /* [ ... enum_target res trap_result keys_array val ] */
+ duk_push_true(ctx);
+ /* [ ... enum_target res trap_result keys_array val true ] */
+ duk_put_prop(ctx, -5);
}
- /* [ ... enum_target res trap_result ] */
- duk_pop(ctx);
- duk_remove(ctx, -2);
+ /* [ ... enum_target res trap_result keys_array ] */
+ duk_pop_2(ctx);
+ duk_remove_m2(ctx);
/* [ ... res ] */
@@ -46493,17 +49308,45 @@ DUK_INTERNAL void duk_hobject_enumerator_create(duk_context *ctx, duk_small_uint
#endif /* DUK_USE_ES6_PROXY */
curr = enum_target;
+ sort_start_index = DUK__ENUM_START_INDEX;
+ DUK_ASSERT(DUK_HOBJECT_GET_ENEXT(res) == DUK__ENUM_START_INDEX);
while (curr) {
+ duk_uint_fast32_t sort_end_index;
+#if !defined(DUK_USE_PREFER_SIZE)
+ duk_bool_t need_sort = 0;
+#endif
+
+ /* Enumeration proceeds by inheritance level. Virtual
+ * properties need to be handled specially, followed by
+ * array part, and finally entry part.
+ *
+ * If there are array index keys in the entry part or any
+ * other risk of the ES2015 [[OwnPropertyKeys]] order being
+ * violated, need_sort is set and an explicit ES2015 sort is
+ * done for the inheritance level.
+ */
+
+ /* XXX: inheriting from proxy */
+
/*
* Virtual properties.
*
* String and buffer indices are virtual and always enumerable,
* 'length' is virtual and non-enumerable. Array and arguments
* object props have special behavior but are concrete.
+ *
+ * String and buffer objects don't have an array part so as long
+ * as virtual array index keys are enumerated first, we don't
+ * need to set need_sort.
*/
- if (DUK_HOBJECT_HAS_EXOTIC_STRINGOBJ(curr) ||
- DUK_HOBJECT_IS_BUFFEROBJECT(curr)) {
+#if defined(DUK_USE_BUFFEROBJECT_SUPPORT)
+ if (DUK_HOBJECT_HAS_EXOTIC_STRINGOBJ(curr) || DUK_HOBJECT_IS_BUFOBJ(curr)) {
+#else
+ if (DUK_HOBJECT_HAS_EXOTIC_STRINGOBJ(curr)) {
+#endif
+ duk_bool_t have_length = 1;
+
/* String and buffer enumeration behavior is identical now,
* so use shared handler.
*/
@@ -46512,15 +49355,20 @@ DUK_INTERNAL void duk_hobject_enumerator_create(duk_context *ctx, duk_small_uint
h_val = duk_hobject_get_internal_value_string(thr->heap, curr);
DUK_ASSERT(h_val != NULL); /* string objects must not created without internal value */
len = (duk_uint_fast32_t) DUK_HSTRING_GET_CHARLEN(h_val);
- } else {
- duk_hbufferobject *h_bufobj;
- DUK_ASSERT(DUK_HOBJECT_IS_BUFFEROBJECT(curr));
- h_bufobj = (duk_hbufferobject *) curr;
- if (h_bufobj == NULL) {
- /* Neutered buffer, zero length seems
- * like good behavior here.
+ }
+#if defined(DUK_USE_BUFFEROBJECT_SUPPORT)
+ else {
+ duk_hbufobj *h_bufobj;
+ DUK_ASSERT(DUK_HOBJECT_IS_BUFOBJ(curr));
+ h_bufobj = (duk_hbufobj *) curr;
+
+ if (h_bufobj == NULL || !h_bufobj->is_typedarray) {
+ /* Zero length seems like a good behavior for neutered buffers.
+ * ArrayBuffer (non-view) and DataView don't have index properties
+ * or .length property.
*/
len = 0;
+ have_length = 0;
} else {
/* There's intentionally no check for
* current underlying buffer length.
@@ -46528,17 +49376,18 @@ DUK_INTERNAL void duk_hobject_enumerator_create(duk_context *ctx, duk_small_uint
len = (duk_uint_fast32_t) (h_bufobj->length >> h_bufobj->shift);
}
}
+#endif /* DUK_USE_BUFFEROBJECT_SUPPORT */
for (i = 0; i < len; i++) {
duk_hstring *k;
+ /* This is a bit fragile: the string is not
+ * reachable until it is pushed by the helper.
+ */
k = duk_heap_string_intern_u32_checked(thr, i);
DUK_ASSERT(k);
- duk_push_hstring(ctx, k);
- duk_push_true(ctx);
- /* [enum_target res key true] */
- duk_put_prop(ctx, -3);
+ duk__add_enum_key(ctx, k);
/* [enum_target res] */
}
@@ -46548,38 +49397,17 @@ DUK_INTERNAL void duk_hobject_enumerator_create(duk_context *ctx, duk_small_uint
* properties are requested.
*/
- if (enum_flags & DUK_ENUM_INCLUDE_NONENUMERABLE) {
- duk_uint_fast32_t n;
-
- if (DUK_HOBJECT_IS_BUFFEROBJECT(curr)) {
- n = sizeof(duk__bufferobject_virtual_props) / sizeof(duk_uint16_t);
- } else {
- DUK_ASSERT(DUK_HOBJECT_HAS_EXOTIC_STRINGOBJ(curr));
- DUK_ASSERT(duk__bufferobject_virtual_props[0] == DUK_STRIDX_LENGTH);
- n = 1; /* only 'length' */
- }
-
- for (i = 0; i < n; i++) {
- duk_push_hstring_stridx(ctx, duk__bufferobject_virtual_props[i]);
- duk_push_true(ctx);
- duk_put_prop(ctx, -3);
- }
-
+ if (have_length && (enum_flags & DUK_ENUM_INCLUDE_NONENUMERABLE)) {
+ duk__add_enum_key_stridx(ctx, DUK_STRIDX_LENGTH);
}
} else if (DUK_HOBJECT_HAS_EXOTIC_DUKFUNC(curr)) {
if (enum_flags & DUK_ENUM_INCLUDE_NONENUMERABLE) {
- duk_push_hstring_stridx(ctx, DUK_STRIDX_LENGTH);
- duk_push_true(ctx);
- duk_put_prop(ctx, -3);
+ duk__add_enum_key_stridx(ctx, DUK_STRIDX_LENGTH);
}
}
/*
* Array part
- *
- * Note: ordering between array and entry part must match 'abandon array'
- * behavior in duk_hobject_props.c: key order after an array is abandoned
- * must be the same.
*/
for (i = 0; i < (duk_uint_fast32_t) DUK_HOBJECT_GET_ASIZE(curr); i++) {
@@ -46590,18 +49418,21 @@ DUK_INTERNAL void duk_hobject_enumerator_create(duk_context *ctx, duk_small_uint
if (DUK_TVAL_IS_UNUSED(tv)) {
continue;
}
- k = duk_heap_string_intern_u32_checked(thr, i);
+ k = duk_heap_string_intern_u32_checked(thr, i); /* Fragile reachability. */
DUK_ASSERT(k);
- duk_push_hstring(ctx, k);
- duk_push_true(ctx);
-
- /* [enum_target res key true] */
- duk_put_prop(ctx, -3);
+ duk__add_enum_key(ctx, k);
/* [enum_target res] */
}
+ if (DUK_HOBJECT_HAS_EXOTIC_ARRAY(curr)) {
+ /* Array .length comes after numeric indices. */
+ if (enum_flags & DUK_ENUM_INCLUDE_NONENUMERABLE) {
+ duk__add_enum_key_stridx(ctx, DUK_STRIDX_LENGTH);
+ }
+ }
+
/*
* Entries part
*/
@@ -46613,31 +49444,77 @@ DUK_INTERNAL void duk_hobject_enumerator_create(duk_context *ctx, duk_small_uint
if (!k) {
continue;
}
- if (!DUK_HOBJECT_E_SLOT_IS_ENUMERABLE(thr->heap, curr, i) &&
- !(enum_flags & DUK_ENUM_INCLUDE_NONENUMERABLE)) {
+ if (!(enum_flags & DUK_ENUM_INCLUDE_NONENUMERABLE) &&
+ !DUK_HOBJECT_E_SLOT_IS_ENUMERABLE(thr->heap, curr, i)) {
continue;
}
- if (DUK_HSTRING_HAS_INTERNAL(k) &&
- !(enum_flags & DUK_ENUM_INCLUDE_INTERNAL)) {
- continue;
+ if (DUK_HSTRING_HAS_SYMBOL(k)) {
+ if (!(enum_flags & DUK_ENUM_INCLUDE_HIDDEN) &&
+ DUK_HSTRING_HAS_HIDDEN(k)) {
+ continue;
+ }
+ if (!(enum_flags & DUK_ENUM_INCLUDE_SYMBOLS)) {
+ continue;
+ }
+ } else {
+ DUK_ASSERT(!DUK_HSTRING_HAS_HIDDEN(k)); /* would also have symbol flag */
+ if (enum_flags & DUK_ENUM_EXCLUDE_STRINGS) {
+ continue;
+ }
}
- if ((enum_flags & DUK_ENUM_ARRAY_INDICES_ONLY) &&
- (DUK_HSTRING_GET_ARRIDX_SLOW(k) == DUK_HSTRING_NO_ARRAY_INDEX)) {
- continue;
+ if (DUK_HSTRING_HAS_ARRIDX(k)) {
+ /* This in currently only possible if the
+ * object has no array part: the array part
+ * is exhaustive when it is present.
+ */
+#if !defined(DUK_USE_PREFER_SIZE)
+ need_sort = 1;
+#endif
+ } else {
+ if (enum_flags & DUK_ENUM_ARRAY_INDICES_ONLY) {
+ continue;
+ }
}
DUK_ASSERT(DUK_HOBJECT_E_SLOT_IS_ACCESSOR(thr->heap, curr, i) ||
!DUK_TVAL_IS_UNUSED(&DUK_HOBJECT_E_GET_VALUE_PTR(thr->heap, curr, i)->v));
- duk_push_hstring(ctx, k);
- duk_push_true(ctx);
-
- /* [enum_target res key true] */
- duk_put_prop(ctx, -3);
+ duk__add_enum_key(ctx, k);
/* [enum_target res] */
}
+ /* Sort enumerated keys according to ES2015 requirements for
+ * the "inheritance level" just processed. This is far from
+ * optimal, ES2015 semantics could be achieved more efficiently
+ * by handling array index string keys (and symbol keys)
+ * specially above in effect doing the sort inline.
+ *
+ * Skip the sort if array index sorting is requested because
+ * we must consider all keys, also inherited, so an explicit
+ * sort is done for the whole result after we're done with the
+ * prototype chain.
+ *
+ * Also skip the sort if need_sort == 0, i.e. we know for
+ * certain that the enumerated order is already correct.
+ */
+ sort_end_index = DUK_HOBJECT_GET_ENEXT(res);
+
+ if (!(enum_flags & DUK_ENUM_SORT_ARRAY_INDICES)) {
+#if defined(DUK_USE_PREFER_SIZE)
+ duk__sort_enum_keys_es6(thr, res, sort_start_index, sort_end_index);
+#else
+ if (need_sort) {
+ DUK_DDD(DUK_DDDPRINT("need to sort"));
+ duk__sort_enum_keys_es6(thr, res, sort_start_index, sort_end_index);
+ } else {
+ DUK_DDD(DUK_DDDPRINT("no need to sort"));
+ }
+#endif
+ }
+
+ sort_start_index = sort_end_index;
+
if (enum_flags & DUK_ENUM_OWN_PROPERTIES_ONLY) {
break;
}
@@ -46647,33 +49524,22 @@ DUK_INTERNAL void duk_hobject_enumerator_create(duk_context *ctx, duk_small_uint
/* [enum_target res] */
- duk_remove(ctx, -2);
+ duk_remove_m2(ctx);
/* [res] */
- if ((enum_flags & (DUK_ENUM_ARRAY_INDICES_ONLY | DUK_ENUM_SORT_ARRAY_INDICES)) ==
- (DUK_ENUM_ARRAY_INDICES_ONLY | DUK_ENUM_SORT_ARRAY_INDICES)) {
- /*
- * Some E5/E5.1 algorithms require that array indices are iterated
- * in a strictly ascending order. This is the case for e.g.
- * Array.prototype.forEach() and JSON.stringify() PropertyList
- * handling.
- *
- * To ensure this property for arrays with an array part (and
- * arbitrary objects too, since e.g. forEach() can be applied
- * to an array), the caller can request that we sort the keys
- * here.
- */
-
- /* XXX: avoid this at least when enum_target is an Array, it has an
- * array part, and no ancestor properties were included? Not worth
- * it for JSON, but maybe worth it for forEach().
+ if (enum_flags & DUK_ENUM_SORT_ARRAY_INDICES) {
+ /* Some E5/E5.1 algorithms require that array indices are iterated
+ * in a strictly ascending order. This is the case for e.g.
+ * Array.prototype.forEach() and JSON.stringify() PropertyList
+ * handling. The caller can request an explicit sort in these
+ * cases.
*/
- /* XXX: may need a 'length' filter for forEach()
+ /* Sort to ES2015 order which works for pure array incides but
+ * also for mixed keys.
*/
- DUK_DDD(DUK_DDDPRINT("sort array indices by caller request"));
- duk__sort_array_indices(thr, res);
+ duk__sort_enum_keys_es6(thr, res, DUK__ENUM_START_INDEX, DUK_HOBJECT_GET_ENEXT(res));
}
#if defined(DUK_USE_ES6_PROXY)
@@ -46708,7 +49574,7 @@ DUK_INTERNAL duk_bool_t duk_hobject_enumerator_next(duk_context *ctx, duk_bool_t
e = duk_require_hobject(ctx, -1);
/* XXX use get tval ptr, more efficient */
- duk_get_prop_stridx(ctx, -1, DUK_STRIDX_INT_NEXT);
+ duk_get_prop_stridx_short(ctx, -1, DUK_STRIDX_INT_NEXT);
idx = (duk_uint_fast32_t) duk_require_uint(ctx, -1);
duk_pop(ctx);
DUK_DDD(DUK_DDDPRINT("enumeration: index is: %ld", (long) idx));
@@ -46718,7 +49584,7 @@ DUK_INTERNAL duk_bool_t duk_hobject_enumerator_next(duk_context *ctx, duk_bool_t
* be the proxy, and checking key existence against the proxy is not
* required (or sensible, as the keys may be fully virtual).
*/
- duk_get_prop_stridx(ctx, -1, DUK_STRIDX_INT_TARGET);
+ duk_get_prop_stridx_short(ctx, -1, DUK_STRIDX_INT_TARGET);
enum_target = duk_require_hobject(ctx, -1);
DUK_ASSERT(enum_target != NULL);
#if defined(DUK_USE_ES6_PROXY)
@@ -46762,7 +49628,7 @@ DUK_INTERNAL duk_bool_t duk_hobject_enumerator_next(duk_context *ctx, duk_bool_t
DUK_DDD(DUK_DDDPRINT("enumeration: updating next index to %ld", (long) idx));
duk_push_u32(ctx, (duk_uint32_t) idx);
- duk_put_prop_stridx(ctx, -2, DUK_STRIDX_INT_NEXT);
+ duk_put_prop_stridx_short(ctx, -2, DUK_STRIDX_INT_NEXT);
/* [... enum] */
@@ -46770,12 +49636,12 @@ DUK_INTERNAL duk_bool_t duk_hobject_enumerator_next(duk_context *ctx, duk_bool_t
duk_push_hstring(ctx, res);
if (get_value) {
duk_push_hobject(ctx, enum_target);
- duk_dup(ctx, -2); /* -> [... enum key enum_target key] */
+ duk_dup_m2(ctx); /* -> [... enum key enum_target key] */
duk_get_prop(ctx, -2); /* -> [... enum key enum_target val] */
- duk_remove(ctx, -2); /* -> [... enum key val] */
+ duk_remove_m2(ctx); /* -> [... enum key val] */
duk_remove(ctx, -3); /* -> [... key val] */
} else {
- duk_remove(ctx, -2); /* -> [... key] */
+ duk_remove_m2(ctx); /* -> [... key] */
}
return 1;
} else {
@@ -46792,8 +49658,10 @@ DUK_INTERNAL duk_bool_t duk_hobject_enumerator_next(duk_context *ctx, duk_bool_t
DUK_INTERNAL duk_ret_t duk_hobject_get_enumerated_keys(duk_context *ctx, duk_small_uint_t enum_flags) {
duk_hthread *thr = (duk_hthread *) ctx;
duk_hobject *e;
- duk_uint_fast32_t i;
- duk_uint_fast32_t idx;
+ duk_harray *a;
+ duk_hstring **keys;
+ duk_tval *tv;
+ duk_uint_fast32_t count;
DUK_ASSERT(ctx != NULL);
DUK_ASSERT(duk_get_hobject(ctx, -1) != NULL);
@@ -46805,34 +49673,46 @@ DUK_INTERNAL duk_ret_t duk_hobject_get_enumerated_keys(duk_context *ctx, duk_sma
*/
duk_hobject_enumerator_create(ctx, enum_flags);
- duk_push_array(ctx);
+ e = duk_known_hobject(ctx, -1);
/* [enum_target enum res] */
- e = duk_require_hobject(ctx, -2);
- DUK_ASSERT(e != NULL);
+ /* Create dense result array to exact size. */
+ DUK_ASSERT(DUK_HOBJECT_GET_ENEXT(e) >= DUK__ENUM_START_INDEX);
+ count = (duk_uint32_t) (DUK_HOBJECT_GET_ENEXT(e) - DUK__ENUM_START_INDEX);
- idx = 0;
- for (i = DUK__ENUM_START_INDEX; i < (duk_uint_fast32_t) DUK_HOBJECT_GET_ENEXT(e); i++) {
+ a = duk_push_harray_with_size(ctx, count);
+ DUK_ASSERT(a != NULL);
+ DUK_ASSERT(DUK_HOBJECT_GET_ASIZE((duk_hobject *) a) == count);
+ DUK_ASSERT(a->length == count);
+ tv = DUK_HOBJECT_A_GET_BASE(thr->heap, (duk_hobject *) a);
+
+ /* Fill result array, no side effects. */
+
+ keys = DUK_HOBJECT_E_GET_KEY_BASE(thr->heap, e);
+ keys += DUK__ENUM_START_INDEX;
+
+ while (count-- > 0) {
duk_hstring *k;
- k = DUK_HOBJECT_E_GET_KEY(thr->heap, e, i);
- DUK_ASSERT(k); /* enumerator must have no keys deleted */
+ k = *keys++;
+ DUK_ASSERT(k != NULL); /* enumerator must have no keys deleted */
- /* [enum_target enum res] */
- duk_push_hstring(ctx, k);
- duk_put_prop_index(ctx, -2, idx);
- idx++;
+ DUK_TVAL_SET_STRING(tv, k);
+ tv++;
+ DUK_HSTRING_INCREF(thr, k);
}
/* [enum_target enum res] */
- duk_remove(ctx, -2);
+ duk_remove_m2(ctx);
/* [enum_target res] */
return 1; /* return 1 to allow callers to tail call */
}
-#line 1 "duk_hobject_finalizer.c"
+
+/* automatic undefs */
+#undef DUK__ENUM_START_INDEX
/*
* Run an duk_hobject finalizer. Used for both reference counting
* and mark-and-sweep algorithms. Must never throw an error.
@@ -46850,13 +49730,15 @@ DUK_INTERNAL duk_ret_t duk_hobject_get_enumerated_keys(duk_context *ctx, duk_sma
* left on the finalizer stack).
*/
-/* include removed: duk_internal.h */
+/* #include duk_internal.h -> already included */
-DUK_LOCAL duk_ret_t duk__finalize_helper(duk_context *ctx) {
+#if defined(DUK_USE_FINALIZER_SUPPORT)
+DUK_LOCAL duk_ret_t duk__finalize_helper(duk_context *ctx, void *udata) {
duk_hthread *thr;
DUK_ASSERT(ctx != NULL);
thr = (duk_hthread *) ctx;
+ DUK_UNREF(udata);
DUK_DDD(DUK_DDDPRINT("protected finalization helper running"));
@@ -46869,12 +49751,12 @@ DUK_LOCAL duk_ret_t duk__finalize_helper(duk_context *ctx) {
* a Proxy.
*/
- duk_get_prop_stridx(ctx, -1, DUK_STRIDX_INT_FINALIZER); /* -> [... obj finalizer] */
+ duk_get_prop_stridx_short(ctx, -1, DUK_STRIDX_INT_FINALIZER); /* -> [... obj finalizer] */
if (!duk_is_callable(ctx, -1)) {
DUK_DDD(DUK_DDDPRINT("-> no finalizer or finalizer not callable"));
return 0;
}
- duk_dup(ctx, -2);
+ duk_dup_m2(ctx);
duk_push_boolean(ctx, DUK_HEAP_HAS_FINALIZER_NORESCUE(thr->heap));
DUK_DDD(DUK_DDDPRINT("-> finalizer found, calling finalizer"));
duk_call(ctx, 2); /* [ ... obj finalizer obj heapDestruct ] -> [ ... obj retval ] */
@@ -46890,7 +49772,7 @@ DUK_LOCAL duk_ret_t duk__finalize_helper(duk_context *ctx) {
DUK_INTERNAL void duk_hobject_run_finalizer(duk_hthread *thr, duk_hobject *obj) {
duk_context *ctx = (duk_context *) thr;
duk_ret_t rc;
-#ifdef DUK_USE_ASSERTIONS
+#if defined(DUK_USE_ASSERTIONS)
duk_idx_t entry_top;
#endif
@@ -46901,7 +49783,7 @@ DUK_INTERNAL void duk_hobject_run_finalizer(duk_hthread *thr, duk_hobject *obj)
DUK_ASSERT(obj != NULL);
DUK_ASSERT_VALSTACK_SPACE(thr, 1);
-#ifdef DUK_USE_ASSERTIONS
+#if defined(DUK_USE_ASSERTIONS)
entry_top = duk_get_top(ctx);
#endif
/*
@@ -46929,7 +49811,7 @@ DUK_INTERNAL void duk_hobject_run_finalizer(duk_hthread *thr, duk_hobject *obj)
DUK_DDD(DUK_DDDPRINT("-> finalizer found, calling wrapped finalize helper"));
duk_push_hobject(ctx, obj); /* this also increases refcount by one */
- rc = duk_safe_call(ctx, duk__finalize_helper, 0 /*nargs*/, 1 /*nrets*/); /* -> [... obj retval/error] */
+ rc = duk_safe_call(ctx, duk__finalize_helper, NULL /*udata*/, 0 /*nargs*/, 1 /*nrets*/); /* -> [... obj retval/error] */
DUK_ASSERT_TOP(ctx, entry_top + 2); /* duk_safe_call discipline */
if (rc != DUK_EXEC_SUCCESS) {
@@ -46943,12 +49825,12 @@ DUK_INTERNAL void duk_hobject_run_finalizer(duk_hthread *thr, duk_hobject *obj)
DUK_ASSERT_TOP(ctx, entry_top);
}
-#line 1 "duk_hobject_misc.c"
+#endif /* DUK_USE_FINALIZER_SUPPORT */
/*
* Misc support functions
*/
-/* include removed: duk_internal.h */
+/* #include duk_internal.h -> already included */
DUK_INTERNAL duk_bool_t duk_hobject_prototype_chain_contains(duk_hthread *thr, duk_hobject *h, duk_hobject *p, duk_bool_t ignore_loop) {
duk_uint_t sanity;
@@ -46982,7 +49864,7 @@ DUK_INTERNAL duk_bool_t duk_hobject_prototype_chain_contains(duk_hthread *thr, d
}
DUK_INTERNAL void duk_hobject_set_prototype_updref(duk_hthread *thr, duk_hobject *h, duk_hobject *p) {
-#ifdef DUK_USE_REFERENCE_COUNTING
+#if defined(DUK_USE_REFERENCE_COUNTING)
duk_hobject *tmp;
DUK_ASSERT(h);
@@ -46996,7 +49878,6 @@ DUK_INTERNAL void duk_hobject_set_prototype_updref(duk_hthread *thr, duk_hobject
DUK_HOBJECT_SET_PROTOTYPE(thr->heap, h, p);
#endif
}
-#line 1 "duk_hobject_pc2line.c"
/*
* Helpers for creating and querying pc2line debug data, which
* converts a bytecode program counter to a source line number.
@@ -47006,7 +49887,7 @@ DUK_INTERNAL void duk_hobject_set_prototype_updref(duk_hthread *thr, duk_hobject
* doc/function-objects.rst
*/
-/* include removed: duk_internal.h */
+/* #include duk_internal.h -> already included */
#if defined(DUK_USE_PC2LINE)
@@ -47034,8 +49915,7 @@ DUK_INTERNAL void duk_hobject_pc2line_pack(duk_hthread *thr, duk_compiler_instr
curr_offset = (duk_uint_fast32_t) (sizeof(duk_uint32_t) + num_header_entries * sizeof(duk_uint32_t) * 2);
duk_push_dynamic_buffer(ctx, (duk_size_t) curr_offset);
- h_buf = (duk_hbuffer_dynamic *) duk_get_hbuffer(ctx, -1);
- DUK_ASSERT(h_buf != NULL);
+ h_buf = (duk_hbuffer_dynamic *) duk_known_hbuffer(ctx, -1);
DUK_ASSERT(DUK_HBUFFER_HAS_DYNAMIC(h_buf) && !DUK_HBUFFER_HAS_EXTERNAL(h_buf));
hdr = (duk_uint32_t *) DUK_HBUFFER_DYNAMIC_GET_DATA_PTR(thr->heap, h_buf);
@@ -47247,7 +50127,6 @@ DUK_INTERNAL duk_uint_fast32_t duk_hobject_pc2line_query(duk_context *ctx, duk_i
}
#endif /* DUK_USE_PC2LINE */
-#line 1 "duk_hobject_props.c"
/*
* Hobject property set/get functionality.
*
@@ -47281,7 +50160,8 @@ DUK_INTERNAL duk_uint_fast32_t duk_hobject_pc2line_query(duk_context *ctx, duk_i
*
* - The order of operations for a DECREF matters. When DECREF is executed,
* the entire object graph must be consistent; note that a refzero may
- * lead to a mark-and-sweep through a refcount finalizer.
+ * lead to a mark-and-sweep through a refcount finalizer. Use NORZ macros
+ * and an explicit DUK_REFZERO_CHECK_xxx() if achieving correct order is hard.
*/
/*
@@ -47293,7 +50173,7 @@ DUK_INTERNAL duk_uint_fast32_t duk_hobject_pc2line_query(duk_context *ctx, duk_i
* XXX: duk_uint_fast32_t should probably be used in many places here.
*/
-/* include removed: duk_internal.h */
+/* #include duk_internal.h -> already included */
/*
* Local defines
@@ -47332,7 +50212,6 @@ DUK_LOCAL_DECL duk_bool_t duk__handle_put_array_length(duk_hthread *thr, duk_hob
DUK_LOCAL_DECL duk_bool_t duk__get_propdesc(duk_hthread *thr, duk_hobject *obj, duk_hstring *key, duk_propdesc *out_desc, duk_small_uint_t flags);
DUK_LOCAL_DECL duk_bool_t duk__get_own_propdesc_raw(duk_hthread *thr, duk_hobject *obj, duk_hstring *key, duk_uint32_t arr_idx, duk_propdesc *out_desc, duk_small_uint_t flags);
-DUK_LOCAL duk_uint32_t duk__get_old_array_length(duk_hthread *thr, duk_hobject *obj, duk_propdesc *temp_desc);
/*
* Misc helpers
@@ -47387,20 +50266,41 @@ DUK_LOCAL duk_uint32_t duk__tval_fastint_to_arr_idx(duk_tval *tv) {
}
#endif /* DUK_USE_FASTINT */
-/* Push an arbitrary duk_tval to the stack, coerce it to string, and return
- * both a duk_hstring pointer and an array index (or DUK__NO_ARRAY_INDEX).
+/* Convert a duk_tval on the value stack (in a trusted index we don't validate)
+ * to a string or symbol using ES2015 ToPropertyKey():
+ * http://www.ecma-international.org/ecma-262/6.0/#sec-topropertykey.
+ *
+ * Also check if it's a valid array index and return that (or DUK__NO_ARRAY_INDEX
+ * if not).
*/
-DUK_LOCAL duk_uint32_t duk__push_tval_to_hstring_arr_idx(duk_context *ctx, duk_tval *tv, duk_hstring **out_h) {
+DUK_LOCAL duk_uint32_t duk__to_property_key(duk_context *ctx, duk_idx_t idx, duk_hstring **out_h) {
duk_uint32_t arr_idx;
duk_hstring *h;
+ duk_tval *tv_dst;
DUK_ASSERT(ctx != NULL);
- DUK_ASSERT(tv != NULL);
DUK_ASSERT(out_h != NULL);
-
- duk_push_tval(ctx, tv);
- duk_to_string(ctx, -1);
- h = duk_get_hstring(ctx, -1);
+ DUK_ASSERT(duk_is_valid_index(ctx, idx));
+ DUK_ASSERT(idx < 0);
+
+ /* XXX: The revised ES2015 ToPropertyKey() handling (ES5.1 was just
+ * ToString()) involves a ToPrimitive(), a symbol check, and finally
+ * a ToString(). Figure out the best way to have a good fast path
+ * but still be compliant and share code.
+ */
+
+ tv_dst = DUK_GET_TVAL_NEGIDX((duk_hthread *) ctx, idx); /* intentionally unvalidated */
+ if (DUK_TVAL_IS_STRING(tv_dst)) {
+ /* Most important path: strings and plain symbols are used as
+ * is. For symbols the array index check below is unnecessary
+ * (they're never valid array indices) but checking that the
+ * string is a symbol would make the plain string path slower
+ * unnecessarily.
+ */
+ h = DUK_TVAL_GET_STRING(tv_dst);
+ } else {
+ h = duk_to_property_key_hstring(ctx, idx);
+ }
DUK_ASSERT(h != NULL);
*out_h = h;
@@ -47408,6 +50308,11 @@ DUK_LOCAL duk_uint32_t duk__push_tval_to_hstring_arr_idx(duk_context *ctx, duk_t
return arr_idx;
}
+DUK_LOCAL duk_uint32_t duk__push_tval_to_property_key(duk_context *ctx, duk_tval *tv_key, duk_hstring **out_h) {
+ duk_push_tval(ctx, tv_key); /* XXX: could use an unsafe push here */
+ return duk__to_property_key(ctx, -1, out_h);
+}
+
/* String is an own (virtual) property of a lightfunc. */
DUK_LOCAL duk_bool_t duk__key_is_lightfunc_ownprop(duk_hthread *thr, duk_hstring *key) {
DUK_UNREF(thr);
@@ -47415,6 +50320,24 @@ DUK_LOCAL duk_bool_t duk__key_is_lightfunc_ownprop(duk_hthread *thr, duk_hstring
key == DUK_HTHREAD_STRING_NAME(thr));
}
+/* String is an own (virtual) property of a plain buffer. */
+DUK_LOCAL duk_bool_t duk__key_is_plain_buf_ownprop(duk_hthread *thr, duk_hbuffer *buf, duk_hstring *key, duk_uint32_t arr_idx) {
+ DUK_UNREF(thr);
+
+ /* Virtual index properties. Checking explicitly for
+ * 'arr_idx != DUK__NO_ARRAY_INDEX' is not necessary
+ * because DUK__NO_ARRAY_INDEXi is always larger than
+ * maximum allowed buffer size.
+ */
+ DUK_ASSERT(DUK__NO_ARRAY_INDEX >= DUK_HBUFFER_GET_SIZE(buf));
+ if (arr_idx < DUK_HBUFFER_GET_SIZE(buf)) {
+ return 1;
+ }
+
+ /* Other virtual properties. */
+ return (key == DUK_HTHREAD_STRING_LENGTH(thr));
+}
+
/*
* Helpers for managing property storage size
*/
@@ -47668,8 +50591,12 @@ DUK_LOCAL duk_bool_t duk__proxy_check_prop(duk_hthread *thr, duk_hobject *obj, d
if (DUK_TVAL_IS_STRING(tv_key)) {
duk_hstring *h_key = (duk_hstring *) DUK_TVAL_GET_STRING(tv_key);
DUK_ASSERT(h_key != NULL);
- if (DUK_HSTRING_HAS_INTERNAL(h_key)) {
- DUK_DDD(DUK_DDDPRINT("internal key, skip proxy handler and apply to target"));
+ if (DUK_HSTRING_HAS_HIDDEN(h_key)) {
+ /* Symbol accesses must go through proxy lookup in ES2015.
+ * Hidden symbols behave like Duktape 1.x internal keys
+ * and currently won't.
+ */
+ DUK_DDD(DUK_DDDPRINT("hidden key, skip proxy handler and apply to target"));
return 0;
}
}
@@ -47689,7 +50616,7 @@ DUK_LOCAL duk_bool_t duk__proxy_check_prop(duk_hthread *thr, duk_hobject *obj, d
duk_require_stack(ctx, DUK__VALSTACK_PROXY_LOOKUP);
duk_push_hobject(ctx, h_handler);
- if (duk_get_prop_stridx(ctx, -1, stridx_trap)) {
+ if (duk_get_prop_stridx_short(ctx, -1, stridx_trap)) {
/* -> [ ... handler trap ] */
duk_insert(ctx, -2); /* -> [ ... trap handler ] */
@@ -47734,17 +50661,14 @@ DUK_LOCAL duk_bool_t duk__proxy_check_prop(duk_hthread *thr, duk_hobject *obj, d
* will become invalid after this call.
*/
-DUK_LOCAL
-void duk__realloc_props(duk_hthread *thr,
- duk_hobject *obj,
- duk_uint32_t new_e_size,
- duk_uint32_t new_a_size,
- duk_uint32_t new_h_size,
- duk_bool_t abandon_array) {
+DUK_INTERNAL void duk_hobject_realloc_props(duk_hthread *thr,
+ duk_hobject *obj,
+ duk_uint32_t new_e_size,
+ duk_uint32_t new_a_size,
+ duk_uint32_t new_h_size,
+ duk_bool_t abandon_array) {
duk_context *ctx = (duk_context *) thr;
-#ifdef DUK_USE_MARK_AND_SWEEP
duk_small_uint_t prev_mark_and_sweep_base_flags;
-#endif
duk_uint32_t new_alloc_size;
duk_uint32_t new_e_size_adjusted;
duk_uint8_t *new_p;
@@ -47771,7 +50695,7 @@ void duk__realloc_props(duk_hthread *thr,
* Pre resize assertions.
*/
-#ifdef DUK_USE_ASSERTIONS
+#if defined(DUK_USE_ASSERTIONS)
/* XXX: pre-checks (such as no duplicate keys) */
#endif
@@ -47833,7 +50757,7 @@ void duk__realloc_props(duk_hthread *thr,
*/
if (new_e_size_adjusted + new_a_size > DUK_HOBJECT_MAX_PROPERTIES) {
- DUK_ERROR_ALLOC_DEFMSG(thr);
+ DUK_ERROR_ALLOC_FAILED(thr);
}
/*
@@ -47850,12 +50774,10 @@ void duk__realloc_props(duk_hthread *thr,
* would be enough to restrict it only for the current object.
*/
-#ifdef DUK_USE_MARK_AND_SWEEP
prev_mark_and_sweep_base_flags = thr->heap->mark_and_sweep_base_flags;
thr->heap->mark_and_sweep_base_flags |=
DUK_MS_FLAG_NO_FINALIZERS | /* avoid attempts to add/remove object keys */
DUK_MS_FLAG_NO_OBJECT_COMPACTION; /* avoid attempt to compact the current object */
-#endif
new_alloc_size = DUK_HOBJECT_P_COMPUTE_SIZE(new_e_size_adjusted, new_a_size, new_h_size);
DUK_DDD(DUK_DDDPRINT("new hobject allocation size is %ld", (long) new_alloc_size));
@@ -48025,7 +50947,7 @@ void duk__realloc_props(duk_hthread *thr,
DUK_TVAL_SET_UNUSED(tv);
}
} else {
-#ifdef DUK_USE_ASSERTIONS
+#if defined(DUK_USE_ASSERTIONS)
/* caller must have decref'd values above new_a_size (if that is necessary) */
if (!abandon_array) {
for (i = new_a_size; i < DUK_HOBJECT_GET_ASIZE(obj); i++) {
@@ -48151,15 +51073,13 @@ void duk__realloc_props(duk_hthread *thr,
DUK_DDD(DUK_DDDPRINT("resize result: %!O", (duk_heaphdr *) obj));
-#ifdef DUK_USE_MARK_AND_SWEEP
thr->heap->mark_and_sweep_base_flags = prev_mark_and_sweep_base_flags;
-#endif
/*
* Post resize assertions.
*/
-#ifdef DUK_USE_ASSERTIONS
+#if defined(DUK_USE_ASSERTIONS)
/* XXX: post-checks (such as no duplicate keys) */
#endif
return;
@@ -48179,11 +51099,9 @@ void duk__realloc_props(duk_hthread *thr,
DUK_HSTRING_DECREF(thr, new_e_k[i]); /* side effects */
}
-#ifdef DUK_USE_MARK_AND_SWEEP
thr->heap->mark_and_sweep_base_flags = prev_mark_and_sweep_base_flags;
-#endif
- DUK_ERROR_ALLOC_DEFMSG(thr);
+ DUK_ERROR_ALLOC_FAILED(thr);
}
/*
@@ -48217,7 +51135,7 @@ DUK_LOCAL void duk__grow_props_for_new_entry_item(duk_hthread *thr, duk_hobject
new_a_size = DUK_HOBJECT_GET_ASIZE(obj);
DUK_ASSERT(new_e_size >= old_e_used + 1); /* duk__get_min_grow_e() is always >= 1 */
- duk__realloc_props(thr, obj, new_e_size, new_a_size, new_h_size, 0);
+ duk_hobject_realloc_props(thr, obj, new_e_size, new_a_size, new_h_size, 0);
}
/* Grow array part for a new highest array index. */
@@ -48237,7 +51155,7 @@ DUK_LOCAL void duk__grow_props_for_array_item(duk_hthread *thr, duk_hobject *obj
new_a_size = highest_arr_idx + duk__get_min_grow_a(highest_arr_idx);
DUK_ASSERT(new_a_size >= highest_arr_idx + 1); /* duk__get_min_grow_a() is always >= 1 */
- duk__realloc_props(thr, obj, new_e_size, new_a_size, new_h_size, 0);
+ duk_hobject_realloc_props(thr, obj, new_e_size, new_a_size, new_h_size, 0);
}
/* Abandon array part, moving array entries into entries part.
@@ -48280,7 +51198,7 @@ DUK_LOCAL void duk__abandon_array_checked(duk_hthread *thr, duk_hobject *obj) {
(void *) obj, (long) e_used, (long) a_used, (long) a_size,
(long) new_e_size, (long) new_a_size, (long) new_h_size));
- duk__realloc_props(thr, obj, new_e_size, new_a_size, new_h_size, 1);
+ duk_hobject_realloc_props(thr, obj, new_e_size, new_a_size, new_h_size, 1);
}
/*
@@ -48345,7 +51263,7 @@ DUK_INTERNAL void duk_hobject_compact_props(duk_hthread *thr, duk_hobject *obj)
DUK_DD(DUK_DDPRINT("compacting hobject -> new e_size %ld, new a_size=%ld, new h_size=%ld, abandon_array=%ld",
(long) e_size, (long) a_size, (long) h_size, (long) abandon_array));
- duk__realloc_props(thr, obj, e_size, a_size, h_size, abandon_array);
+ duk_hobject_realloc_props(thr, obj, e_size, a_size, h_size, abandon_array);
}
/*
@@ -48512,7 +51430,7 @@ DUK_LOCAL duk_bool_t duk__alloc_entry_checked(duk_hthread *thr, duk_hobject *obj
DUK_ASSERT(key != NULL);
DUK_ASSERT(DUK_HOBJECT_GET_ENEXT(obj) <= DUK_HOBJECT_GET_ESIZE(obj));
-#ifdef DUK_USE_ASSERTIONS
+#if defined(DUK_USE_ASSERTIONS)
/* key must not already exist in entry part */
{
duk_uint_fast32_t i;
@@ -48616,6 +51534,7 @@ DUK_INTERNAL duk_hstring *duk_hobject_get_internal_value_string(duk_heap *heap,
duk_hstring *h;
DUK_ASSERT(DUK_TVAL_IS_STRING(&tv));
h = DUK_TVAL_GET_STRING(&tv);
+ /* No explicit check for string vs. symbol, accept both. */
return h;
}
@@ -48922,13 +51841,40 @@ DUK_LOCAL duk_bool_t duk__get_own_propdesc_raw(duk_hthread *thr, duk_hobject *ob
}
/*
- * Not found as a concrete property, check whether a String object
- * virtual property matches.
+ * Not found as a concrete property, check for virtual properties.
*/
prop_not_found_concrete:
- if (DUK_HOBJECT_HAS_EXOTIC_STRINGOBJ(obj)) {
+ if (!DUK_HOBJECT_HAS_VIRTUAL_PROPERTIES(obj)) {
+ /* Quick skip. */
+ goto prop_not_found;
+ }
+
+ if (DUK_HOBJECT_HAS_EXOTIC_ARRAY(obj)) {
+ duk_harray *a;
+
+ DUK_DDD(DUK_DDDPRINT("array object exotic property get for key: %!O, arr_idx: %ld",
+ (duk_heaphdr *) key, (long) arr_idx));
+
+ a = (duk_harray *) obj;
+ DUK_ASSERT_HARRAY_VALID(a);
+
+ if (key == DUK_HTHREAD_STRING_LENGTH(thr)) {
+ DUK_DDD(DUK_DDDPRINT("-> found, key is 'length', length exotic behavior"));
+
+ if (flags & DUK_GETDESC_FLAG_PUSH_VALUE) {
+ duk_push_uint(ctx, (duk_uint_t) a->length);
+ }
+ out_desc->flags = DUK_PROPDESC_FLAG_VIRTUAL;
+ if (DUK_HARRAY_LENGTH_WRITABLE(a)) {
+ out_desc->flags |= DUK_PROPDESC_FLAG_WRITABLE;
+ }
+
+ DUK_ASSERT(!DUK_HOBJECT_HAS_EXOTIC_ARGUMENTS(obj));
+ return 1; /* cannot be arguments exotic */
+ }
+ } else if (DUK_HOBJECT_HAS_EXOTIC_STRINGOBJ(obj)) {
DUK_DDD(DUK_DDDPRINT("string object exotic property get for key: %!O, arr_idx: %ld",
(duk_heaphdr *) key, (long) arr_idx));
@@ -48969,17 +51915,19 @@ DUK_LOCAL duk_bool_t duk__get_own_propdesc_raw(duk_hthread *thr, duk_hobject *ob
DUK_ASSERT(!DUK_HOBJECT_HAS_EXOTIC_ARGUMENTS(obj));
return 1; /* cannot be arguments exotic */
}
- } else if (DUK_HOBJECT_IS_BUFFEROBJECT(obj)) {
- duk_hbufferobject *h_bufobj;
+ }
+#if defined(DUK_USE_BUFFEROBJECT_SUPPORT)
+ else if (DUK_HOBJECT_IS_BUFOBJ(obj)) {
+ duk_hbufobj *h_bufobj;
duk_uint_t byte_off;
duk_small_uint_t elem_size;
- h_bufobj = (duk_hbufferobject *) obj;
- DUK_ASSERT_HBUFFEROBJECT_VALID(h_bufobj);
- DUK_DDD(DUK_DDDPRINT("bufferobject property get for key: %!O, arr_idx: %ld",
+ h_bufobj = (duk_hbufobj *) obj;
+ DUK_ASSERT_HBUFOBJ_VALID(h_bufobj);
+ DUK_DDD(DUK_DDDPRINT("bufobj property get for key: %!O, arr_idx: %ld",
(duk_heaphdr *) key, (long) arr_idx));
- if (arr_idx != DUK__NO_ARRAY_INDEX) {
+ if (arr_idx != DUK__NO_ARRAY_INDEX && DUK_HBUFOBJ_HAS_VIRTUAL_INDICES(h_bufobj)) {
DUK_DDD(DUK_DDDPRINT("array index exists"));
/* Careful with wrapping: arr_idx upshift may easily wrap, whereas
@@ -48991,17 +51939,22 @@ DUK_LOCAL duk_bool_t duk__get_own_propdesc_raw(duk_hthread *thr, duk_hobject *ob
if (flags & DUK_GETDESC_FLAG_PUSH_VALUE) {
duk_uint8_t *data;
- if (h_bufobj->buf != NULL && DUK_HBUFFEROBJECT_VALID_BYTEOFFSET_EXCL(h_bufobj, byte_off + elem_size)) {
+ if (h_bufobj->buf != NULL && DUK_HBUFOBJ_VALID_BYTEOFFSET_EXCL(h_bufobj, byte_off + elem_size)) {
data = (duk_uint8_t *) DUK_HBUFFER_GET_DATA_PTR(thr->heap, h_bufobj->buf) + h_bufobj->offset + byte_off;
- duk_hbufferobject_push_validated_read(ctx, h_bufobj, data, elem_size);
+ duk_hbufobj_push_validated_read(ctx, h_bufobj, data, elem_size);
} else {
- DUK_D(DUK_DPRINT("bufferobject access out of underlying buffer, ignoring (read zero)"));
+ DUK_D(DUK_DPRINT("bufobj access out of underlying buffer, ignoring (read zero)"));
duk_push_uint(ctx, 0);
}
}
out_desc->flags = DUK_PROPDESC_FLAG_WRITABLE |
- DUK_PROPDESC_FLAG_ENUMERABLE |
DUK_PROPDESC_FLAG_VIRTUAL;
+ if (DUK_HOBJECT_GET_CLASS_NUMBER(obj) != DUK_HOBJECT_CLASS_ARRAYBUFFER) {
+ /* ArrayBuffer indices are non-standard and are
+ * non-enumerable to avoid their serialization.
+ */
+ out_desc->flags |= DUK_PROPDESC_FLAG_ENUMERABLE;
+ }
DUK_ASSERT(!DUK_HOBJECT_HAS_EXOTIC_ARGUMENTS(obj));
return 1; /* cannot be e.g. arguments exotic, since exotic 'traits' are mutually exclusive */
@@ -49009,7 +51962,7 @@ DUK_LOCAL duk_bool_t duk__get_own_propdesc_raw(duk_hthread *thr, duk_hobject *ob
/* index is above internal buffer length -> property is fully normal */
DUK_DDD(DUK_DDDPRINT("array index outside buffer -> normal property"));
}
- } else if (key == DUK_HTHREAD_STRING_LENGTH(thr)) {
+ } else if (key == DUK_HTHREAD_STRING_LENGTH(thr) && DUK_HBUFOBJ_HAS_VIRTUAL_INDICES(h_bufobj)) {
DUK_DDD(DUK_DDDPRINT("-> found, key is 'length', length exotic behavior"));
if (flags & DUK_GETDESC_FLAG_PUSH_VALUE) {
@@ -49022,32 +51975,10 @@ DUK_LOCAL duk_bool_t duk__get_own_propdesc_raw(duk_hthread *thr, duk_hobject *ob
DUK_ASSERT(!DUK_HOBJECT_HAS_EXOTIC_ARGUMENTS(obj));
return 1; /* cannot be arguments exotic */
- } else if (key == DUK_HTHREAD_STRING_BYTE_LENGTH(thr)) {
- /* If neutered must return 0; length is zeroed during
- * neutering.
- */
- if (flags & DUK_GETDESC_FLAG_PUSH_VALUE) {
- duk_push_uint(ctx, h_bufobj->length);
- }
- out_desc->flags = DUK_PROPDESC_FLAG_VIRTUAL;
- return 1; /* cannot be arguments exotic */
- } else if (key == DUK_HTHREAD_STRING_BYTE_OFFSET(thr)) {
- /* If neutered must return 0; offset is zeroed during
- * neutering.
- */
- if (flags & DUK_GETDESC_FLAG_PUSH_VALUE) {
- duk_push_uint(ctx, h_bufobj->offset);
- }
- out_desc->flags = DUK_PROPDESC_FLAG_VIRTUAL;
- return 1; /* cannot be arguments exotic */
- } else if (key == DUK_HTHREAD_STRING_BYTES_PER_ELEMENT(thr)) {
- if (flags & DUK_GETDESC_FLAG_PUSH_VALUE) {
- duk_push_uint(ctx, 1 << h_bufobj->shift);
- }
- out_desc->flags = DUK_PROPDESC_FLAG_VIRTUAL;
- return 1; /* cannot be arguments exotic */
}
- } else if (DUK_HOBJECT_HAS_EXOTIC_DUKFUNC(obj)) {
+ }
+#endif /* DUK_USE_BUFFEROBJECT_SUPPORT */
+ else if (DUK_HOBJECT_HAS_EXOTIC_DUKFUNC(obj)) {
DUK_DDD(DUK_DDDPRINT("duktape/c object exotic property get for key: %!O, arr_idx: %ld",
(duk_heaphdr *) key, (long) arr_idx));
@@ -49055,8 +51986,8 @@ DUK_LOCAL duk_bool_t duk__get_own_propdesc_raw(duk_hthread *thr, duk_hobject *ob
DUK_DDD(DUK_DDDPRINT("-> found, key is 'length', length exotic behavior"));
if (flags & DUK_GETDESC_FLAG_PUSH_VALUE) {
- duk_int16_t func_nargs = ((duk_hnativefunction *) obj)->nargs;
- duk_push_int(ctx, func_nargs == DUK_HNATIVEFUNCTION_NARGS_VARARGS ? 0 : func_nargs);
+ duk_int16_t func_nargs = ((duk_hnatfunc *) obj)->nargs;
+ duk_push_int(ctx, func_nargs == DUK_HNATFUNC_NARGS_VARARGS ? 0 : func_nargs);
}
out_desc->flags = DUK_PROPDESC_FLAG_VIRTUAL; /* not enumerable */
@@ -49077,6 +52008,7 @@ DUK_LOCAL duk_bool_t duk__get_own_propdesc_raw(duk_hthread *thr, duk_hobject *ob
* Not found as concrete or virtual
*/
+ prop_not_found:
DUK_DDD(DUK_DDDPRINT("-> not found (virtual, entry part, or array part)"));
return 0;
@@ -49112,12 +52044,15 @@ DUK_LOCAL duk_bool_t duk__get_own_propdesc_raw(duk_hthread *thr, duk_hobject *ob
/* replaces top of stack with new value if necessary */
DUK_ASSERT((flags & DUK_GETDESC_FLAG_PUSH_VALUE) != 0);
+ /* This can perform a variable lookup but only into a declarative
+ * environment which has no side effects.
+ */
if (duk__check_arguments_map_for_get(thr, obj, key, &temp_desc)) {
DUK_DDD(DUK_DDDPRINT("-> arguments exotic behavior overrides result: %!T -> %!T",
(duk_tval *) duk_get_tval(ctx, -2),
(duk_tval *) duk_get_tval(ctx, -1)));
/* [... old_result result] -> [... result] */
- duk_remove(ctx, -2);
+ duk_remove_m2(ctx);
}
}
@@ -49221,6 +52156,7 @@ DUK_LOCAL duk_bool_t duk__get_propdesc(duk_hthread *thr, duk_hobject *obj, duk_h
* standard Array objects.
*/
+#if defined(DUK_USE_ARRAY_PROP_FASTPATH)
DUK_LOCAL duk_tval *duk__getprop_shallow_fastpath_array_tval(duk_hthread *thr, duk_hobject *obj, duk_tval *tv_key) {
duk_tval *tv;
duk_uint32_t idx;
@@ -49230,7 +52166,7 @@ DUK_LOCAL duk_tval *duk__getprop_shallow_fastpath_array_tval(duk_hthread *thr, d
if (!(DUK_HOBJECT_HAS_ARRAY_PART(obj) &&
!DUK_HOBJECT_HAS_EXOTIC_ARGUMENTS(obj) &&
!DUK_HOBJECT_HAS_EXOTIC_STRINGOBJ(obj) &&
- !DUK_HOBJECT_IS_BUFFEROBJECT(obj) &&
+ !DUK_HOBJECT_IS_BUFOBJ(obj) &&
!DUK_HOBJECT_HAS_EXOTIC_PROXYOBJ(obj))) {
/* Must have array part and no conflicting exotic behaviors.
* Doesn't need to have array special behavior, e.g. Arguments
@@ -49283,8 +52219,9 @@ DUK_LOCAL duk_tval *duk__getprop_shallow_fastpath_array_tval(duk_hthread *thr, d
return NULL;
}
-DUK_LOCAL duk_bool_t duk__putprop_shallow_fastpath_array_tval(duk_hthread *thr, duk_hobject *obj, duk_tval *tv_key, duk_tval *tv_val, duk_propdesc *temp_desc) {
+DUK_LOCAL duk_bool_t duk__putprop_shallow_fastpath_array_tval(duk_hthread *thr, duk_hobject *obj, duk_tval *tv_key, duk_tval *tv_val) {
duk_tval *tv;
+ duk_harray *a;
duk_uint32_t idx;
duk_uint32_t old_len, new_len;
@@ -49295,6 +52232,9 @@ DUK_LOCAL duk_bool_t duk__putprop_shallow_fastpath_array_tval(duk_hthread *thr,
}
DUK_ASSERT(!DUK_HEAPHDR_HAS_READONLY((duk_heaphdr *) obj)); /* caller ensures */
+ a = (duk_harray *) obj;
+ DUK_ASSERT_HARRAY_VALID(a);
+
#if defined(DUK_USE_FASTINT)
if (DUK_TVAL_IS_FASTINT(tv_key)) {
idx = duk__tval_fastint_to_arr_idx(tv_key);
@@ -49318,24 +52258,22 @@ DUK_LOCAL duk_bool_t duk__putprop_shallow_fastpath_array_tval(duk_hthread *thr,
DUK_ASSERT(idx != 0xffffffffUL);
DUK_ASSERT(idx != DUK__NO_ARRAY_INDEX);
- old_len = duk__get_old_array_length(thr, obj, temp_desc);
+ old_len = a->length;
if (idx >= old_len) {
DUK_DDD(DUK_DDDPRINT("write new array entry requires length update "
"(arr_idx=%ld, old_len=%ld)",
(long) idx, (long) old_len));
- if (!(temp_desc->flags & DUK_PROPDESC_FLAG_WRITABLE)) {
- DUK_ERROR_TYPE(thr, DUK_STR_NOT_WRITABLE);
- return 0; /* not reachable */
+ if (DUK_HARRAY_LENGTH_NONWRITABLE(a)) {
+ /* The correct behavior here is either a silent error
+ * or a TypeError, depending on strictness. Fall back
+ * to the slow path to handle the situation.
+ */
+ return 0;
}
new_len = idx + 1;
- /* No resize has occurred so temp_desc->e_idx is still OK */
- tv = DUK_HOBJECT_E_GET_VALUE_TVAL_PTR(thr->heap, obj, temp_desc->e_idx);
- DUK_ASSERT(DUK_TVAL_IS_NUMBER(tv));
- DUK_TVAL_SET_FASTINT_U32(tv, new_len); /* no need for decref/incref because value is a number */
- } else {
- ;
+ ((duk_harray *) obj)->length = new_len;
}
tv = DUK_HOBJECT_A_GET_VALUE_PTR(thr->heap, obj, idx);
@@ -49344,25 +52282,30 @@ DUK_LOCAL duk_bool_t duk__putprop_shallow_fastpath_array_tval(duk_hthread *thr,
DUK_DDD(DUK_DDDPRINT("array fast path success for index %ld", (long) idx));
return 1;
}
+#endif /* DUK_USE_ARRAY_PROP_FASTPATH */
/*
- * Fast path for bufferobject getprop/putprop
+ * Fast path for bufobj getprop/putprop
*/
+#if defined(DUK_USE_BUFFEROBJECT_SUPPORT)
DUK_LOCAL duk_bool_t duk__getprop_fastpath_bufobj_tval(duk_hthread *thr, duk_hobject *obj, duk_tval *tv_key) {
duk_context *ctx;
duk_uint32_t idx;
- duk_hbufferobject *h_bufobj;
+ duk_hbufobj *h_bufobj;
duk_uint_t byte_off;
duk_small_uint_t elem_size;
duk_uint8_t *data;
ctx = (duk_context *) thr;
- if (!DUK_HOBJECT_IS_BUFFEROBJECT(obj)) {
+ if (!DUK_HOBJECT_IS_BUFOBJ(obj)) {
+ return 0;
+ }
+ h_bufobj = (duk_hbufobj *) obj;
+ if (!DUK_HBUFOBJ_HAS_VIRTUAL_INDICES(h_bufobj)) {
return 0;
}
- h_bufobj = (duk_hbufferobject *) obj;
#if defined(DUK_USE_FASTINT)
if (DUK_TVAL_IS_FASTINT(tv_key)) {
@@ -49377,7 +52320,7 @@ DUK_LOCAL duk_bool_t duk__getprop_fastpath_bufobj_tval(duk_hthread *thr, duk_hob
/* If index is not valid, idx will be DUK__NO_ARRAY_INDEX which
* is 0xffffffffUL. We don't need to check for that explicitly
- * because 0xffffffffUL will never be inside bufferobject length.
+ * because 0xffffffffUL will never be inside bufobj length.
*/
/* Careful with wrapping (left shifting idx would be unsafe). */
@@ -49389,34 +52332,40 @@ DUK_LOCAL duk_bool_t duk__getprop_fastpath_bufobj_tval(duk_hthread *thr, duk_hob
byte_off = idx << h_bufobj->shift; /* no wrap assuming h_bufobj->length is valid */
elem_size = 1 << h_bufobj->shift;
- if (h_bufobj->buf != NULL && DUK_HBUFFEROBJECT_VALID_BYTEOFFSET_EXCL(h_bufobj, byte_off + elem_size)) {
+ if (h_bufobj->buf != NULL && DUK_HBUFOBJ_VALID_BYTEOFFSET_EXCL(h_bufobj, byte_off + elem_size)) {
data = (duk_uint8_t *) DUK_HBUFFER_GET_DATA_PTR(thr->heap, h_bufobj->buf) + h_bufobj->offset + byte_off;
- duk_hbufferobject_push_validated_read(ctx, h_bufobj, data, elem_size);
+ duk_hbufobj_push_validated_read(ctx, h_bufobj, data, elem_size);
} else {
- DUK_D(DUK_DPRINT("bufferobject access out of underlying buffer, ignoring (read zero)"));
+ DUK_D(DUK_DPRINT("bufobj access out of underlying buffer, ignoring (read zero)"));
duk_push_uint(ctx, 0);
}
return 1;
}
+#endif /* DUK_USE_BUFFEROBJECT_SUPPORT */
+#if defined(DUK_USE_BUFFEROBJECT_SUPPORT)
DUK_LOCAL duk_bool_t duk__putprop_fastpath_bufobj_tval(duk_hthread *thr, duk_hobject *obj, duk_tval *tv_key, duk_tval *tv_val) {
duk_context *ctx;
duk_uint32_t idx;
- duk_hbufferobject *h_bufobj;
+ duk_hbufobj *h_bufobj;
duk_uint_t byte_off;
duk_small_uint_t elem_size;
duk_uint8_t *data;
ctx = (duk_context *) thr;
- if (!(DUK_HOBJECT_IS_BUFFEROBJECT(obj) &&
+ if (!(DUK_HOBJECT_IS_BUFOBJ(obj) &&
DUK_TVAL_IS_NUMBER(tv_val))) {
return 0;
}
- DUK_ASSERT(!DUK_HEAPHDR_HAS_READONLY((duk_heaphdr *) obj)); /* caller ensures; rom objects are never bufferobjects now */
+ DUK_ASSERT(!DUK_HEAPHDR_HAS_READONLY((duk_heaphdr *) obj)); /* caller ensures; rom objects are never bufobjs now */
+
+ h_bufobj = (duk_hbufobj *) obj;
+ if (!DUK_HBUFOBJ_HAS_VIRTUAL_INDICES(h_bufobj)) {
+ return 0;
+ }
- h_bufobj = (duk_hbufferobject *) obj;
#if defined(DUK_USE_FASTINT)
if (DUK_TVAL_IS_FASTINT(tv_key)) {
idx = duk__tval_fastint_to_arr_idx(tv_key);
@@ -49430,7 +52379,7 @@ DUK_LOCAL duk_bool_t duk__putprop_fastpath_bufobj_tval(duk_hthread *thr, duk_hob
/* If index is not valid, idx will be DUK__NO_ARRAY_INDEX which
* is 0xffffffffUL. We don't need to check for that explicitly
- * because 0xffffffffUL will never be inside bufferobject length.
+ * because 0xffffffffUL will never be inside bufobj length.
*/
/* Careful with wrapping (left shifting idx would be unsafe). */
@@ -49448,16 +52397,17 @@ DUK_LOCAL duk_bool_t duk__putprop_fastpath_bufobj_tval(duk_hthread *thr, duk_hob
duk_push_tval(ctx, tv_val);
DUK_ASSERT(duk_is_number(ctx, -1));
- if (h_bufobj->buf != NULL && DUK_HBUFFEROBJECT_VALID_BYTEOFFSET_EXCL(h_bufobj, byte_off + elem_size)) {
+ if (h_bufobj->buf != NULL && DUK_HBUFOBJ_VALID_BYTEOFFSET_EXCL(h_bufobj, byte_off + elem_size)) {
data = (duk_uint8_t *) DUK_HBUFFER_GET_DATA_PTR(thr->heap, h_bufobj->buf) + h_bufobj->offset + byte_off;
- duk_hbufferobject_validated_write(ctx, h_bufobj, data, elem_size);
+ duk_hbufobj_validated_write(ctx, h_bufobj, data, elem_size);
} else {
- DUK_D(DUK_DPRINT("bufferobject access out of underlying buffer, ignoring (write skipped)"));
+ DUK_D(DUK_DPRINT("bufobj access out of underlying buffer, ignoring (write skipped)"));
}
duk_pop(ctx);
return 1;
}
+#endif /* DUK_USE_BUFFEROBJECT_SUPPORT */
/*
* GETPROP: Ecmascript property read.
@@ -49527,6 +52477,13 @@ DUK_INTERNAL duk_bool_t duk_hobject_getprop(duk_hthread *thr, duk_tval *tv_obj,
duk_hstring *h = DUK_TVAL_GET_STRING(tv_obj);
duk_int_t pop_count;
+ if (DUK_HSTRING_HAS_SYMBOL(h)) {
+ /* Symbols (ES2015 or hidden) don't have virtual properties. */
+ DUK_DDD(DUK_DDDPRINT("base object is a symbol, start lookup from symbol prototype"));
+ curr = thr->builtins[DUK_BIDX_SYMBOL_PROTOTYPE];
+ break;
+ }
+
#if defined(DUK_USE_FASTINT)
if (DUK_TVAL_IS_FASTINT(tv_key)) {
arr_idx = duk__tval_fastint_to_arr_idx(tv_key);
@@ -49539,7 +52496,7 @@ DUK_INTERNAL duk_bool_t duk_hobject_getprop(duk_hthread *thr, duk_tval *tv_obj,
DUK_DDD(DUK_DDDPRINT("base object string, key is a fast-path number; arr_idx %ld", (long) arr_idx));
pop_count = 0;
} else {
- arr_idx = duk__push_tval_to_hstring_arr_idx(ctx, tv_key, &key);
+ arr_idx = duk__push_tval_to_property_key(ctx, tv_key, &key);
DUK_ASSERT(key != NULL);
DUK_DDD(DUK_DDDPRINT("base object string, key is a non-fast-path number; after "
"coercion key is %!T, arr_idx %ld",
@@ -49563,7 +52520,7 @@ DUK_INTERNAL duk_bool_t duk_hobject_getprop(duk_hthread *thr, duk_tval *tv_obj,
/* This is a pretty awkward control flow, but we need to recheck the
* key coercion here.
*/
- arr_idx = duk__push_tval_to_hstring_arr_idx(ctx, tv_key, &key);
+ arr_idx = duk__push_tval_to_property_key(ctx, tv_key, &key);
DUK_ASSERT(key != NULL);
DUK_DDD(DUK_DDDPRINT("base object string, key is a non-fast-path number; after "
"coercion key is %!T, arr_idx %ld",
@@ -49579,17 +52536,23 @@ DUK_INTERNAL duk_bool_t duk_hobject_getprop(duk_hthread *thr, duk_tval *tv_obj,
(duk_tval *) duk_get_tval(ctx, -1)));
return 1;
}
+
DUK_DDD(DUK_DDDPRINT("base object is a string, start lookup from string prototype"));
curr = thr->builtins[DUK_BIDX_STRING_PROTOTYPE];
goto lookup; /* avoid double coercion */
}
case DUK_TAG_OBJECT: {
+#if defined(DUK_USE_ARRAY_PROP_FASTPATH)
duk_tval *tmp;
+#endif
curr = DUK_TVAL_GET_OBJECT(tv_obj);
DUK_ASSERT(curr != NULL);
+ /* XXX: array .length fast path (important in e.g. loops)? */
+
+#if defined(DUK_USE_ARRAY_PROP_FASTPATH)
tmp = duk__getprop_shallow_fastpath_array_tval(thr, curr, tv_key);
if (tmp) {
duk_push_tval(ctx, tmp);
@@ -49599,14 +52562,17 @@ DUK_INTERNAL duk_bool_t duk_hobject_getprop(duk_hthread *thr, duk_tval *tv_obj,
(duk_tval *) duk_get_tval(ctx, -1)));
return 1;
}
+#endif
+#if defined(DUK_USE_BUFFEROBJECT_SUPPORT)
if (duk__getprop_fastpath_bufobj_tval(thr, curr, tv_key) != 0) {
/* Read value pushed on stack. */
- DUK_DDD(DUK_DDDPRINT("-> %!T (base is bufobj, key is a number, bufferobject "
+ DUK_DDD(DUK_DDDPRINT("-> %!T (base is bufobj, key is a number, bufobj "
"fast path)",
(duk_tval *) duk_get_tval(ctx, -1)));
return 1;
}
+#endif
#if defined(DUK_USE_ES6_PROXY)
if (DUK_UNLIKELY(DUK_HOBJECT_HAS_EXOTIC_PROXYOBJ(curr))) {
@@ -49623,7 +52589,7 @@ DUK_INTERNAL duk_bool_t duk_hobject_getprop(duk_hthread *thr, duk_tval *tv_obj,
/* Target object must be checked for a conflicting
* non-configurable property.
*/
- arr_idx = duk__push_tval_to_hstring_arr_idx(ctx, tv_key, &key);
+ arr_idx = duk__push_tval_to_property_key(ctx, tv_key, &key);
DUK_ASSERT(key != NULL);
if (duk__get_own_propdesc_raw(thr, h_target, key, arr_idx, &desc, DUK_GETDESC_FLAG_PUSH_VALUE)) {
@@ -49664,7 +52630,7 @@ DUK_INTERNAL duk_bool_t duk_hobject_getprop(duk_hthread *thr, duk_tval *tv_obj,
#endif /* DUK_USE_ES6_PROXY */
if (DUK_HOBJECT_HAS_EXOTIC_ARGUMENTS(curr)) {
- arr_idx = duk__push_tval_to_hstring_arr_idx(ctx, tv_key, &key);
+ arr_idx = duk__push_tval_to_property_key(ctx, tv_key, &key);
DUK_ASSERT(key != NULL);
if (duk__check_arguments_map_for_get(thr, curr, key, &desc)) {
@@ -49675,7 +52641,7 @@ DUK_INTERNAL duk_bool_t duk_hobject_getprop(duk_hthread *thr, duk_tval *tv_obj,
/* no need for 'caller' post-check, because 'key' must be an array index */
- duk_remove(ctx, -2); /* [key result] -> [result] */
+ duk_remove_m2(ctx); /* [key result] -> [result] */
return 1;
}
@@ -49709,7 +52675,7 @@ DUK_INTERNAL duk_bool_t duk_hobject_getprop(duk_hthread *thr, duk_tval *tv_obj,
DUK_DDD(DUK_DDDPRINT("base object buffer, key is a fast-path number; arr_idx %ld", (long) arr_idx));
pop_count = 0;
} else {
- arr_idx = duk__push_tval_to_hstring_arr_idx(ctx, tv_key, &key);
+ arr_idx = duk__push_tval_to_property_key(ctx, tv_key, &key);
DUK_ASSERT(key != NULL);
DUK_DDD(DUK_DDDPRINT("base object buffer, key is a non-fast-path number; after "
"coercion key is %!T, arr_idx %ld",
@@ -49732,42 +52698,25 @@ DUK_INTERNAL duk_bool_t duk_hobject_getprop(duk_hthread *thr, duk_tval *tv_obj,
/* This is a pretty awkward control flow, but we need to recheck the
* key coercion here.
*/
- arr_idx = duk__push_tval_to_hstring_arr_idx(ctx, tv_key, &key);
+ arr_idx = duk__push_tval_to_property_key(ctx, tv_key, &key);
DUK_ASSERT(key != NULL);
DUK_DDD(DUK_DDDPRINT("base object buffer, key is a non-fast-path number; after "
"coercion key is %!T, arr_idx %ld",
(duk_tval *) duk_get_tval(ctx, -1), (long) arr_idx));
}
- if (key == DUK_HTHREAD_STRING_LENGTH(thr) ||
- key == DUK_HTHREAD_STRING_BYTE_LENGTH(thr)) {
+ if (key == DUK_HTHREAD_STRING_LENGTH(thr)) {
duk_pop(ctx); /* [key] -> [] */
duk_push_uint(ctx, (duk_uint_t) DUK_HBUFFER_GET_SIZE(h)); /* [] -> [res] */
- DUK_DDD(DUK_DDDPRINT("-> %!T (base is buffer, key is 'length' or 'byteLength' "
+ DUK_DDD(DUK_DDDPRINT("-> %!T (base is buffer, key is 'length' "
"after coercion -> return buffer length)",
(duk_tval *) duk_get_tval(ctx, -1)));
return 1;
- } else if (key == DUK_HTHREAD_STRING_BYTE_OFFSET(thr)) {
- duk_pop(ctx); /* [key] -> [] */
- duk_push_uint(ctx, 0); /* [] -> [res] */
-
- DUK_DDD(DUK_DDDPRINT("-> %!T (base is buffer, key is 'byteOffset' after coercion -> "
- "return 0 for consistency with Buffer objects)",
- (duk_tval *) duk_get_tval(ctx, -1)));
- return 1;
- } else if (key == DUK_HTHREAD_STRING_BYTES_PER_ELEMENT(thr)) {
- duk_pop(ctx); /* [key] -> [] */
- duk_push_uint(ctx, 1); /* [] -> [res] */
-
- DUK_DDD(DUK_DDDPRINT("-> %!T (base is buffer, key is 'BYTES_PER_ELEMENT' after coercion -> "
- "return 1 for consistency with Buffer objects)",
- (duk_tval *) duk_get_tval(ctx, -1)));
- return 1;
}
- DUK_DDD(DUK_DDDPRINT("base object is a buffer, start lookup from buffer prototype"));
- curr = thr->builtins[DUK_BIDX_BUFFER_PROTOTYPE];
+ DUK_DDD(DUK_DDDPRINT("base object is a buffer, start lookup from Uint8Array prototype"));
+ curr = thr->builtins[DUK_BIDX_UINT8ARRAY_PROTOTYPE];
goto lookup; /* avoid double coercion */
}
@@ -49781,7 +52730,7 @@ DUK_INTERNAL duk_bool_t duk_hobject_getprop(duk_hthread *thr, duk_tval *tv_obj,
duk_int_t lf_flags = DUK_TVAL_GET_LIGHTFUNC_FLAGS(tv_obj);
/* Must coerce key: if key is an object, it may coerce to e.g. 'length'. */
- arr_idx = duk__push_tval_to_hstring_arr_idx(ctx, tv_key, &key);
+ arr_idx = duk__push_tval_to_property_key(ctx, tv_key, &key);
if (key == DUK_HTHREAD_STRING_LENGTH(thr)) {
duk_int_t lf_len = DUK_LFUNC_FLAGS_GET_LENGTH(lf_flags);
@@ -49814,7 +52763,7 @@ DUK_INTERNAL duk_bool_t duk_hobject_getprop(duk_hthread *thr, duk_tval *tv_obj,
/* key coercion (unless already coerced above) */
DUK_ASSERT(key == NULL);
- arr_idx = duk__push_tval_to_hstring_arr_idx(ctx, tv_key, &key);
+ arr_idx = duk__push_tval_to_property_key(ctx, tv_key, &key);
DUK_ASSERT(key != NULL);
/*
@@ -49839,8 +52788,8 @@ DUK_INTERNAL duk_bool_t duk_hobject_getprop(duk_hthread *thr, duk_tval *tv_obj,
duk_pop(ctx); /* [key undefined] -> [key] */
duk_push_hobject(ctx, desc.get);
duk_push_tval(ctx, tv_obj); /* note: original, uncoerced base */
-#ifdef DUK_USE_NONSTD_GETTER_KEY_ARGUMENT
- duk_dup(ctx, -3);
+#if defined(DUK_USE_NONSTD_GETTER_KEY_ARGUMENT)
+ duk_dup_m3(ctx);
duk_call_method(ctx, 1); /* [key getter this key] -> [key retval] */
#else
duk_call_method(ctx, 0); /* [key getter this] -> [key retval] */
@@ -49933,7 +52882,7 @@ DUK_INTERNAL duk_bool_t duk_hobject_getprop(duk_hthread *thr, duk_tval *tv_obj,
* only refers to the value being a "strict mode Function
* object" which is ambiguous.
*/
- DUK_ASSERT(!DUK_HOBJECT_HAS_BOUND(orig));
+ DUK_ASSERT(!DUK_HOBJECT_HAS_BOUNDFUNC(orig));
h = duk_get_hobject(ctx, -1); /* NULL if not an object */
if (h &&
@@ -49946,7 +52895,7 @@ DUK_INTERNAL duk_bool_t duk_hobject_getprop(duk_hthread *thr, duk_tval *tv_obj,
}
#endif /* !DUK_USE_NONSTD_FUNC_CALLER_PROPERTY */
- duk_remove(ctx, -2); /* [key result] -> [result] */
+ duk_remove_m2(ctx); /* [key result] -> [result] */
DUK_DDD(DUK_DDDPRINT("-> %!T (found)", (duk_tval *) duk_get_tval(ctx, -1)));
return 1;
@@ -49987,7 +52936,7 @@ DUK_INTERNAL duk_bool_t duk_hobject_hasprop(duk_hthread *thr, duk_tval *tv_obj,
*
* However, lightfuncs need to behave like fully fledged objects
* here to be maximally transparent, so we need to handle them
- * here.
+ * here. Same goes for plain buffers which behave like ArrayBuffers.
*/
/* XXX: Refactor key coercion so that it's only called once. It can't
@@ -49999,11 +52948,17 @@ DUK_INTERNAL duk_bool_t duk_hobject_hasprop(duk_hthread *thr, duk_tval *tv_obj,
obj = DUK_TVAL_GET_OBJECT(tv_obj);
DUK_ASSERT(obj != NULL);
- arr_idx = duk__push_tval_to_hstring_arr_idx(ctx, tv_key, &key);
+ arr_idx = duk__push_tval_to_property_key(ctx, tv_key, &key);
+ } else if (DUK_TVAL_IS_BUFFER(tv_obj)) {
+ arr_idx = duk__push_tval_to_property_key(ctx, tv_key, &key);
+ if (duk__key_is_plain_buf_ownprop(thr, DUK_TVAL_GET_BUFFER(tv_obj), key, arr_idx)) {
+ rc = 1;
+ goto pop_and_return;
+ }
+ obj = thr->builtins[DUK_BIDX_UINT8ARRAY_PROTOTYPE];
} else if (DUK_TVAL_IS_LIGHTFUNC(tv_obj)) {
- arr_idx = duk__push_tval_to_hstring_arr_idx(ctx, tv_key, &key);
+ arr_idx = duk__push_tval_to_property_key(ctx, tv_key, &key);
if (duk__key_is_lightfunc_ownprop(thr, key)) {
- /* FOUND */
rc = 1;
goto pop_and_return;
}
@@ -50116,70 +53071,57 @@ DUK_INTERNAL duk_bool_t duk_hobject_hasprop_raw(duk_hthread *thr, duk_hobject *o
* Used by duk_hobject_putprop().
*/
-DUK_LOCAL duk_uint32_t duk__get_old_array_length(duk_hthread *thr, duk_hobject *obj, duk_propdesc *temp_desc) {
- duk_bool_t rc;
- duk_tval *tv;
+/* Coerce a new .length candidate to a number and check that it's a valid
+ * .length.
+ */
+DUK_LOCAL duk_uint32_t duk__to_new_array_length_checked(duk_hthread *thr, duk_tval *tv) {
duk_uint32_t res;
+ duk_double_t d;
- DUK_ASSERT_VALSTACK_SPACE(thr, DUK__VALSTACK_SPACE);
-
- /* This function is only called for objects with array exotic behavior.
- * The [[DefineOwnProperty]] algorithm for arrays requires that
- * 'length' can never have a value outside the unsigned 32-bit range,
- * attempt to write such a value is a RangeError. Here we can thus
- * assert for this. When Duktape internals go around the official
- * property write interface (doesn't happen often) this assumption is
- * easy to accidentally break, so such code must be written carefully.
- * See test-bi-array-push-maxlen.js.
- */
-
- rc = duk__get_own_propdesc_raw(thr, obj, DUK_HTHREAD_STRING_LENGTH(thr), DUK__NO_ARRAY_INDEX, temp_desc, 0 /*flags*/); /* don't push value */
- DUK_UNREF(rc);
- DUK_ASSERT(rc != 0); /* arrays MUST have a 'length' property */
- DUK_ASSERT(temp_desc->e_idx >= 0);
-
- tv = DUK_HOBJECT_E_GET_VALUE_TVAL_PTR(thr->heap, obj, temp_desc->e_idx);
- DUK_ASSERT(DUK_TVAL_IS_NUMBER(tv)); /* array 'length' is always a number, as we coerce it */
- DUK_ASSERT(DUK_TVAL_GET_NUMBER(tv) >= 0.0);
- DUK_ASSERT(DUK_TVAL_GET_NUMBER(tv) <= (double) 0xffffffffUL);
- DUK_ASSERT((duk_double_t) (duk_uint32_t) DUK_TVAL_GET_NUMBER(tv) == DUK_TVAL_GET_NUMBER(tv));
+#if !defined(DUK_USE_PREFER_SIZE)
#if defined(DUK_USE_FASTINT)
- /* Downgrade checks are not made everywhere, so 'length' is not always
- * a fastint (it is a number though). This can be removed once length
- * is always guaranteed to be a fastint.
+ /* When fastints are enabled, the most interesting case is assigning
+ * a fastint to .length (e.g. arr.length = 0).
*/
- DUK_ASSERT(DUK_TVAL_IS_FASTINT(tv) || DUK_TVAL_IS_DOUBLE(tv));
if (DUK_TVAL_IS_FASTINT(tv)) {
- res = (duk_uint32_t) DUK_TVAL_GET_FASTINT_U32(tv);
- } else {
- res = (duk_uint32_t) DUK_TVAL_GET_DOUBLE(tv);
+ /* Very common case. */
+ duk_int64_t fi;
+ fi = DUK_TVAL_GET_FASTINT(tv);
+ if (fi < 0 || fi > 0xffffffffLL) {
+ goto fail_range;
+ }
+ return (duk_uint32_t) fi;
+ }
+#else /* DUK_USE_FASTINT */
+ /* When fastints are not enabled, the most interesting case is any
+ * number.
+ */
+ if (DUK_TVAL_IS_DOUBLE(tv)) {
+ d = DUK_TVAL_GET_NUMBER(tv);
}
-#else
- res = (duk_uint32_t) DUK_TVAL_GET_NUMBER(tv);
#endif /* DUK_USE_FASTINT */
+ else
+#endif /* !DUK_USE_PREFER_SIZE */
+ {
+ /* In all other cases, and when doing a size optimized build,
+ * fall back to the comprehensive handler.
+ */
+ d = duk_js_tonumber(thr, tv);
+ }
- return res;
-}
-
-DUK_LOCAL duk_uint32_t duk__to_new_array_length_checked(duk_hthread *thr) {
- duk_context *ctx = (duk_context *) thr;
- duk_uint32_t res;
- duk_double_t d;
-
- /* Input value should be on stack top and will be coerced and
- * popped. Refuse to update an Array's 'length' to a value
- * outside the 32-bit range. Negative zero is accepted as zero.
+ /* Refuse to update an Array's 'length' to a value outside the
+ * 32-bit range. Negative zero is accepted as zero.
*/
-
- /* XXX: fastint */
-
- d = duk_to_number(ctx, -1);
res = (duk_uint32_t) d;
if ((duk_double_t) res != d) {
- DUK_ERROR_RANGE(thr, DUK_STR_INVALID_ARRAY_LENGTH);
+ goto fail_range;
}
- duk_pop(ctx);
+
return res;
+
+ fail_range:
+ DUK_ERROR_RANGE(thr, DUK_STR_INVALID_ARRAY_LENGTH);
+ return 0; /* unreachable */
}
/* Delete elements required by a smaller length, taking into account
@@ -50227,6 +53169,9 @@ duk_bool_t duk__handle_put_array_length_smaller(duk_hthread *thr,
DUK_ASSERT(out_result_len != NULL);
DUK_ASSERT_VALSTACK_SPACE(thr, DUK__VALSTACK_SPACE);
+ DUK_ASSERT(DUK_HOBJECT_HAS_EXOTIC_ARRAY(obj));
+ DUK_ASSERT(DUK_HOBJECT_IS_ARRAY(obj));
+
if (DUK_HOBJECT_HAS_ARRAY_PART(obj)) {
/*
* All defined array-indexed properties are in the array part
@@ -50375,11 +53320,10 @@ duk_bool_t duk__handle_put_array_length_smaller(duk_hthread *thr,
/* XXX: is valstack top best place for argument? */
DUK_LOCAL duk_bool_t duk__handle_put_array_length(duk_hthread *thr, duk_hobject *obj) {
duk_context *ctx = (duk_context *) thr;
- duk_propdesc desc;
+ duk_harray *a;
duk_uint32_t old_len;
duk_uint32_t new_len;
duk_uint32_t result_len;
- duk_tval *tv;
duk_bool_t rc;
DUK_DDD(DUK_DDDPRINT("handling a put operation to array 'length' exotic property, "
@@ -50392,22 +53336,26 @@ DUK_LOCAL duk_bool_t duk__handle_put_array_length(duk_hthread *thr, duk_hobject
DUK_ASSERT_VALSTACK_SPACE(thr, DUK__VALSTACK_SPACE);
+ DUK_ASSERT(DUK_HOBJECT_HAS_EXOTIC_ARRAY(obj));
+ DUK_ASSERT(DUK_HOBJECT_IS_ARRAY(obj));
+ a = (duk_harray *) obj;
+ DUK_ASSERT_HARRAY_VALID(a);
+
DUK_ASSERT(duk_is_valid_index(ctx, -1));
/*
* Get old and new length
*/
- old_len = duk__get_old_array_length(thr, obj, &desc);
- duk_dup(ctx, -1); /* [in_val in_val] */
- new_len = duk__to_new_array_length_checked(thr); /* -> [in_val] */
+ old_len = a->length;
+ new_len = duk__to_new_array_length_checked(thr, DUK_GET_TVAL_NEGIDX(ctx, -1));
DUK_DDD(DUK_DDDPRINT("old_len=%ld, new_len=%ld", (long) old_len, (long) new_len));
/*
* Writability check
*/
- if (!(desc.flags & DUK_PROPDESC_FLAG_WRITABLE)) {
+ if (DUK_HARRAY_LENGTH_NONWRITABLE(a)) {
DUK_DDD(DUK_DDDPRINT("length is not writable, fail"));
return 0;
}
@@ -50418,15 +53366,8 @@ DUK_LOCAL duk_bool_t duk__handle_put_array_length(duk_hthread *thr, duk_hobject
*/
if (new_len >= old_len) {
- DUK_DDD(DUK_DDDPRINT("new length is higher than old length, just update length, no deletions"));
-
- DUK_ASSERT(desc.e_idx >= 0);
- DUK_ASSERT(!DUK_HOBJECT_E_SLOT_IS_ACCESSOR(thr->heap, obj, desc.e_idx));
- tv = DUK_HOBJECT_E_GET_VALUE_TVAL_PTR(thr->heap, obj, desc.e_idx);
- DUK_ASSERT(DUK_TVAL_IS_NUMBER(tv));
- /* no decref needed for a number */
- DUK_TVAL_SET_FASTINT_U32(tv, new_len);
- DUK_ASSERT(DUK_TVAL_IS_NUMBER(tv));
+ DUK_DDD(DUK_DDDPRINT("new length is same or higher than old length, just update length, no deletions"));
+ a->length = new_len;
return 1;
}
@@ -50443,13 +53384,7 @@ DUK_LOCAL duk_bool_t duk__handle_put_array_length(duk_hthread *thr, duk_hobject
rc = duk__handle_put_array_length_smaller(thr, obj, old_len, new_len, 0 /*force_flag*/, &result_len);
DUK_ASSERT(result_len >= new_len && result_len <= old_len);
- DUK_ASSERT(desc.e_idx >= 0);
- DUK_ASSERT(!DUK_HOBJECT_E_SLOT_IS_ACCESSOR(thr->heap, obj, desc.e_idx));
- tv = DUK_HOBJECT_E_GET_VALUE_TVAL_PTR(thr->heap, obj, desc.e_idx);
- DUK_ASSERT(DUK_TVAL_IS_NUMBER(tv));
- /* no decref needed for a number */
- DUK_TVAL_SET_FASTINT_U32(tv, result_len);
- DUK_ASSERT(DUK_TVAL_IS_NUMBER(tv));
+ a->length = result_len;
/* XXX: shrink array allocation or entries compaction here? */
@@ -50564,9 +53499,15 @@ DUK_INTERNAL duk_bool_t duk_hobject_putprop(duk_hthread *thr, duk_tval *tv_obj,
*/
DUK_ASSERT(key == NULL);
- arr_idx = duk__push_tval_to_hstring_arr_idx(ctx, tv_key, &key);
+ arr_idx = duk__push_tval_to_property_key(ctx, tv_key, &key);
DUK_ASSERT(key != NULL);
+ if (DUK_HSTRING_HAS_SYMBOL(h)) {
+ /* Symbols (ES2015 or hidden) don't have virtual properties. */
+ curr = thr->builtins[DUK_BIDX_SYMBOL_PROTOTYPE];
+ goto lookup;
+ }
+
if (key == DUK_HTHREAD_STRING_LENGTH(thr)) {
goto fail_not_writable;
}
@@ -50612,15 +53553,21 @@ DUK_INTERNAL duk_bool_t duk_hobject_putprop(duk_hthread *thr, duk_tval *tv_obj,
* tests/ecmascript/test-misc-array-fast-write.js
*/
- if (duk__putprop_shallow_fastpath_array_tval(thr, orig, tv_key, tv_val, &desc) != 0) {
+ /* XXX: array .length? */
+
+#if defined(DUK_USE_ARRAY_PROP_FASTPATH)
+ if (duk__putprop_shallow_fastpath_array_tval(thr, orig, tv_key, tv_val) != 0) {
DUK_DDD(DUK_DDDPRINT("array fast path success"));
return 1;
}
+#endif
+#if defined(DUK_USE_BUFFEROBJECT_SUPPORT)
if (duk__putprop_fastpath_bufobj_tval(thr, orig, tv_key, tv_val) != 0) {
- DUK_DDD(DUK_DDDPRINT("base is bufobj, key is a number, bufferobject fast path"));
+ DUK_DDD(DUK_DDDPRINT("base is bufobj, key is a number, bufobj fast path"));
return 1;
}
+#endif
#if defined(DUK_USE_ES6_PROXY)
if (DUK_UNLIKELY(DUK_HOBJECT_HAS_EXOTIC_PROXYOBJ(orig))) {
@@ -50644,7 +53591,7 @@ DUK_INTERNAL duk_bool_t duk_hobject_putprop(duk_hthread *thr, duk_tval *tv_obj,
/* Target object must be checked for a conflicting
* non-configurable property.
*/
- arr_idx = duk__push_tval_to_hstring_arr_idx(ctx, tv_key, &key);
+ arr_idx = duk__push_tval_to_property_key(ctx, tv_key, &key);
DUK_ASSERT(key != NULL);
if (duk__get_own_propdesc_raw(thr, h_target, key, arr_idx, &desc, DUK_GETDESC_FLAG_PUSH_VALUE)) {
@@ -50707,7 +53654,7 @@ DUK_INTERNAL duk_bool_t duk_hobject_putprop(duk_hthread *thr, duk_tval *tv_obj,
DUK_DDD(DUK_DDDPRINT("base object buffer, key is a fast-path number; arr_idx %ld", (long) arr_idx));
pop_count = 0;
} else {
- arr_idx = duk__push_tval_to_hstring_arr_idx(ctx, tv_key, &key);
+ arr_idx = duk__push_tval_to_property_key(ctx, tv_key, &key);
DUK_ASSERT(key != NULL);
DUK_DDD(DUK_DDDPRINT("base object buffer, key is a non-fast-path number; after "
"coercion key is %!T, arr_idx %ld",
@@ -50746,22 +53693,19 @@ DUK_INTERNAL duk_bool_t duk_hobject_putprop(duk_hthread *thr, duk_tval *tv_obj,
/* This is a pretty awkward control flow, but we need to recheck the
* key coercion here.
*/
- arr_idx = duk__push_tval_to_hstring_arr_idx(ctx, tv_key, &key);
+ arr_idx = duk__push_tval_to_property_key(ctx, tv_key, &key);
DUK_ASSERT(key != NULL);
DUK_DDD(DUK_DDDPRINT("base object buffer, key is a non-fast-path number; after "
"coercion key is %!T, arr_idx %ld",
(duk_tval *) duk_get_tval(ctx, -1), (long) arr_idx));
}
- if (key == DUK_HTHREAD_STRING_LENGTH(thr) ||
- key == DUK_HTHREAD_STRING_BYTE_LENGTH(thr) ||
- key == DUK_HTHREAD_STRING_BYTE_OFFSET(thr) ||
- key == DUK_HTHREAD_STRING_BYTES_PER_ELEMENT(thr)) {
+ if (key == DUK_HTHREAD_STRING_LENGTH(thr)) {
goto fail_not_writable;
}
- DUK_DDD(DUK_DDDPRINT("base object is a buffer, start lookup from buffer prototype"));
- curr = thr->builtins[DUK_BIDX_BUFFER_PROTOTYPE];
+ DUK_DDD(DUK_DDDPRINT("base object is a buffer, start lookup from Uint8Array prototype"));
+ curr = thr->builtins[DUK_BIDX_UINT8ARRAY_PROTOTYPE];
goto lookup; /* avoid double coercion */
}
@@ -50777,7 +53721,7 @@ DUK_INTERNAL duk_bool_t duk_hobject_putprop(duk_hthread *thr, duk_tval *tv_obj,
* by an inherited setter which means we can't stop the lookup here.
*/
- arr_idx = duk__push_tval_to_hstring_arr_idx(ctx, tv_key, &key);
+ arr_idx = duk__push_tval_to_property_key(ctx, tv_key, &key);
if (duk__key_is_lightfunc_ownprop(thr, key)) {
goto fail_not_writable;
@@ -50801,7 +53745,7 @@ DUK_INTERNAL duk_bool_t duk_hobject_putprop(duk_hthread *thr, duk_tval *tv_obj,
}
DUK_ASSERT(key == NULL);
- arr_idx = duk__push_tval_to_hstring_arr_idx(ctx, tv_key, &key);
+ arr_idx = duk__push_tval_to_property_key(ctx, tv_key, &key);
DUK_ASSERT(key != NULL);
lookup:
@@ -50842,8 +53786,8 @@ DUK_INTERNAL duk_bool_t duk_hobject_putprop(duk_hthread *thr, duk_tval *tv_obj,
duk_push_hobject(ctx, setter);
duk_push_tval(ctx, tv_obj); /* note: original, uncoerced base */
duk_push_tval(ctx, tv_val); /* [key setter this val] */
-#ifdef DUK_USE_NONSTD_SETTER_KEY_ARGUMENT
- duk_dup(ctx, -4);
+#if defined(DUK_USE_NONSTD_SETTER_KEY_ARGUMENT)
+ duk_dup_m4(ctx);
duk_call_method(ctx, 2); /* [key setter this val key] -> [key retval] */
#else
duk_call_method(ctx, 1); /* [key setter this val] -> [key retval] */
@@ -50889,20 +53833,52 @@ DUK_INTERNAL duk_bool_t duk_hobject_putprop(duk_hthread *thr, duk_tval *tv_obj,
}
if (desc.flags & DUK_PROPDESC_FLAG_VIRTUAL) {
DUK_DD(DUK_DDPRINT("found existing own (non-inherited) virtual property, property is writable"));
- if (DUK_HOBJECT_IS_BUFFEROBJECT(curr)) {
- duk_hbufferobject *h_bufobj;
+
+ if (DUK_HOBJECT_IS_ARRAY(curr)) {
+ /*
+ * Write to 'length' of an array is a very complex case
+ * handled in a helper which updates both the array elements
+ * and writes the new 'length'. The write may result in an
+ * unconditional RangeError or a partial write (indicated
+ * by a return code).
+ *
+ * Note: the helper has an unnecessary writability check
+ * for 'length', we already know it is writable.
+ */
+ DUK_ASSERT(key == DUK_HTHREAD_STRING_LENGTH(thr)); /* only virtual array property */
+
+ DUK_DDD(DUK_DDDPRINT("writing existing 'length' property to array exotic, invoke complex helper"));
+
+ /* XXX: the helper currently assumes stack top contains new
+ * 'length' value and the whole calling convention is not very
+ * compatible with what we need.
+ */
+
+ duk_push_tval(ctx, tv_val); /* [key val] */
+ rc = duk__handle_put_array_length(thr, orig);
+ duk_pop(ctx); /* [key val] -> [key] */
+ if (!rc) {
+ goto fail_array_length_partial;
+ }
+
+ /* key is 'length', cannot match argument exotic behavior */
+ goto success_no_arguments_exotic;
+ }
+#if defined(DUK_USE_BUFFEROBJECT_SUPPORT)
+ else if (DUK_HOBJECT_IS_BUFOBJ(curr)) {
+ duk_hbufobj *h_bufobj;
duk_uint_t byte_off;
duk_small_uint_t elem_size;
- h_bufobj = (duk_hbufferobject *) curr;
- DUK_ASSERT_HBUFFEROBJECT_VALID(h_bufobj);
+ h_bufobj = (duk_hbufobj *) curr;
+ DUK_ASSERT_HBUFOBJ_VALID(h_bufobj);
DUK_DD(DUK_DDPRINT("writable virtual property is in buffer object"));
/* Careful with wrapping: arr_idx upshift may easily wrap, whereas
* length downshift won't.
*/
- if (arr_idx < (h_bufobj->length >> h_bufobj->shift)) {
+ if (arr_idx < (h_bufobj->length >> h_bufobj->shift) && DUK_HBUFOBJ_HAS_VIRTUAL_INDICES(h_bufobj)) {
duk_uint8_t *data;
DUK_DDD(DUK_DDDPRINT("writing to buffer data at index %ld", (long) arr_idx));
@@ -50911,24 +53887,26 @@ DUK_INTERNAL duk_bool_t duk_hobject_putprop(duk_hthread *thr, duk_tval *tv_obj,
elem_size = 1 << h_bufobj->shift;
/* Coerce to number before validating pointers etc so that the
- * number coercions in duk_hbufferobject_validated_write() are
+ * number coercions in duk_hbufobj_validated_write() are
* guaranteed to be side effect free and not invalidate the
* pointer checks we do here.
*/
duk_push_tval(ctx, tv_val);
- duk_to_number(ctx, -1);
+ (void) duk_to_number_m1(ctx);
- if (h_bufobj->buf != NULL && DUK_HBUFFEROBJECT_VALID_BYTEOFFSET_EXCL(h_bufobj, byte_off + elem_size)) {
+ if (h_bufobj->buf != NULL && DUK_HBUFOBJ_VALID_BYTEOFFSET_EXCL(h_bufobj, byte_off + elem_size)) {
data = (duk_uint8_t *) DUK_HBUFFER_GET_DATA_PTR(thr->heap, h_bufobj->buf) + h_bufobj->offset + byte_off;
- duk_hbufferobject_validated_write(ctx, h_bufobj, data, elem_size);
+ duk_hbufobj_validated_write(ctx, h_bufobj, data, elem_size);
} else {
- DUK_D(DUK_DPRINT("bufferobject access out of underlying buffer, ignoring (write skipped)"));
+ DUK_D(DUK_DPRINT("bufobj access out of underlying buffer, ignoring (write skipped)"));
}
duk_pop(ctx);
goto success_no_arguments_exotic;
}
}
+#endif /* DUK_USE_BUFFEROBJECT_SUPPORT */
+ DUK_D(DUK_DPRINT("should not happen, key %!O", key));
goto fail_internal; /* should not happen */
}
DUK_DD(DUK_DDPRINT("put to existing own plain property, property is writable"));
@@ -50991,41 +53969,13 @@ DUK_INTERNAL duk_bool_t duk_hobject_putprop(duk_hthread *thr, duk_tval *tv_obj,
DUK_ASSERT((desc.flags & DUK_PROPDESC_FLAG_VIRTUAL) == 0);
DUK_ASSERT(desc.a_idx >= 0 || desc.e_idx >= 0);
- if (DUK_HOBJECT_HAS_EXOTIC_ARRAY(orig) &&
- key == DUK_HTHREAD_STRING_LENGTH(thr)) {
- /*
- * Write to 'length' of an array is a very complex case
- * handled in a helper which updates both the array elements
- * and writes the new 'length'. The write may result in an
- * unconditional RangeError or a partial write (indicated
- * by a return code).
- *
- * Note: the helper has an unnecessary writability check
- * for 'length', we already know it is writable.
- */
-
- DUK_DDD(DUK_DDDPRINT("writing existing 'length' property to array exotic, invoke complex helper"));
-
- /* XXX: the helper currently assumes stack top contains new
- * 'length' value and the whole calling convention is not very
- * compatible with what we need.
- */
-
- duk_push_tval(ctx, tv_val); /* [key val] */
- rc = duk__handle_put_array_length(thr, orig);
- duk_pop(ctx); /* [key val] -> [key] */
- if (!rc) {
- goto fail_array_length_partial;
- }
-
- /* key is 'length', cannot match argument exotic behavior */
- goto success_no_arguments_exotic;
- }
+ /* Array own property .length is handled above. */
+ DUK_ASSERT(!(DUK_HOBJECT_IS_ARRAY(orig) && key == DUK_HTHREAD_STRING_LENGTH(thr)));
if (desc.e_idx >= 0) {
tv = DUK_HOBJECT_E_GET_VALUE_TVAL_PTR(thr->heap, orig, desc.e_idx);
DUK_DDD(DUK_DDDPRINT("previous entry value: %!iT", (duk_tval *) tv));
- DUK_TVAL_SET_TVAL_UPDREF(thr, tv, tv_val); /* side effects */
+ DUK_TVAL_SET_TVAL_UPDREF(thr, tv, tv_val); /* side effects; e_idx may be invalidated */
/* don't touch property attributes or hash part */
DUK_DD(DUK_DDPRINT("put to an existing entry at index %ld -> new value %!iT",
(long) desc.e_idx, (duk_tval *) tv));
@@ -51038,7 +53988,7 @@ DUK_INTERNAL duk_bool_t duk_hobject_putprop(duk_hthread *thr, duk_tval *tv_obj,
DUK_ASSERT(desc.a_idx >= 0);
tv = DUK_HOBJECT_A_GET_VALUE_PTR(thr->heap, orig, desc.a_idx);
DUK_DDD(DUK_DDDPRINT("previous array value: %!iT", (duk_tval *) tv));
- DUK_TVAL_SET_TVAL_UPDREF(thr, tv, tv_val); /* side effects */
+ DUK_TVAL_SET_TVAL_UPDREF(thr, tv, tv_val); /* side effects; a_idx may be invalidated */
DUK_DD(DUK_DDPRINT("put to an existing array entry at index %ld -> new value %!iT",
(long) desc.a_idx, (duk_tval *) tv));
}
@@ -51066,6 +54016,9 @@ DUK_INTERNAL duk_bool_t duk_hobject_putprop(duk_hthread *thr, duk_tval *tv_obj,
DUK_ASSERT(orig != NULL);
+ /* Array own property .length is handled above. */
+ DUK_ASSERT(!(DUK_HOBJECT_IS_ARRAY(orig) && key == DUK_HTHREAD_STRING_LENGTH(thr)));
+
#if defined(DUK_USE_ROM_OBJECTS)
/* This should not happen because DUK_TAG_OBJECT case checks
* for this already, but check just in case.
@@ -51086,15 +54039,19 @@ DUK_INTERNAL duk_bool_t duk_hobject_putprop(duk_hthread *thr, duk_tval *tv_obj,
arr_idx != DUK__NO_ARRAY_INDEX) {
/* automatic length update */
duk_uint32_t old_len;
+ duk_harray *a;
- old_len = duk__get_old_array_length(thr, orig, &desc);
+ a = (duk_harray *) orig;
+ DUK_ASSERT_HARRAY_VALID(a);
+
+ old_len = a->length;
if (arr_idx >= old_len) {
DUK_DDD(DUK_DDDPRINT("write new array entry requires length update "
"(arr_idx=%ld, old_len=%ld)",
(long) arr_idx, (long) old_len));
- if (!(desc.flags & DUK_PROPDESC_FLAG_WRITABLE)) {
+ if (DUK_HARRAY_LENGTH_NONWRITABLE(a)) {
DUK_DD(DUK_DDPRINT("attempt to extend array, but array 'length' is not writable"));
goto fail_not_writable;
}
@@ -51245,26 +54202,16 @@ DUK_INTERNAL duk_bool_t duk_hobject_putprop(duk_hthread *thr, duk_tval *tv_obj,
*/
if (new_array_length > 0) {
- /*
- * Note: zero works as a "no update" marker because the new length
- * can never be zero after a new property is written.
- *
- * Note: must re-lookup because calls above (e.g. duk__alloc_entry_checked())
- * may realloc and compact properties and hence change e_idx.
+ /* Note: zero works as a "no update" marker because the new length
+ * can never be zero after a new property is written.
*/
+ DUK_ASSERT(DUK_HOBJECT_HAS_EXOTIC_ARRAY(orig));
+
DUK_DDD(DUK_DDDPRINT("write successful, pending array length update to: %ld",
(long) new_array_length));
- rc = duk__get_own_propdesc_raw(thr, orig, DUK_HTHREAD_STRING_LENGTH(thr), DUK__NO_ARRAY_INDEX, &desc, 0 /*flags*/); /* don't push value */
- DUK_UNREF(rc);
- DUK_ASSERT(rc != 0);
- DUK_ASSERT(desc.e_idx >= 0);
-
- tv = DUK_HOBJECT_E_GET_VALUE_TVAL_PTR(thr->heap, orig, desc.e_idx);
- DUK_ASSERT(DUK_TVAL_IS_NUMBER(tv));
- /* no need for decref/incref because value is a number */
- DUK_TVAL_SET_FASTINT_U32(tv, new_array_length);
+ ((duk_harray *) orig)->length = new_array_length;
}
/*
@@ -51366,9 +54313,9 @@ DUK_INTERNAL duk_bool_t duk_hobject_putprop(duk_hthread *thr, duk_tval *tv_obj,
#endif
fail_array_length_partial:
- DUK_DDD(DUK_DDDPRINT("result: error, array length write only partially successful"));
+ DUK_DD(DUK_DDPRINT("result: error, array length write only partially successful"));
if (throw_flag) {
- DUK_ERROR_TYPE(thr, DUK_STR_ARRAY_LENGTH_WRITE_FAILED);
+ DUK_ERROR_TYPE(thr, DUK_STR_NOT_CONFIGURABLE);
}
duk_pop(ctx); /* remove key */
return 0;
@@ -51384,7 +54331,7 @@ DUK_INTERNAL duk_bool_t duk_hobject_putprop(duk_hthread *thr, duk_tval *tv_obj,
fail_internal:
DUK_DDD(DUK_DDDPRINT("result: error, internal"));
if (throw_flag) {
- DUK_ERROR_INTERNAL_DEFMSG(thr);
+ DUK_ERROR_INTERNAL(thr);
}
duk_pop(ctx); /* remove key */
return 0;
@@ -51437,6 +54384,7 @@ DUK_INTERNAL duk_bool_t duk_hobject_delprop_raw(duk_hthread *thr, duk_hobject *o
/* Currently there are no deletable virtual properties, but
* with force_flag we might attempt to delete one.
*/
+ DUK_DD(DUK_DDPRINT("delete failed: property found, force flag, but virtual (and implicitly non-configurable)"));
goto fail_virtual;
}
@@ -51447,17 +54395,8 @@ DUK_INTERNAL duk_bool_t duk_hobject_delprop_raw(duk_hthread *thr, duk_hobject *o
DUK_TVAL_SET_UNUSED_UPDREF(thr, tv); /* side effects */
goto success;
} else {
- duk_hobject *h_get = NULL;
- duk_hobject *h_set = NULL;
- duk_tval tv_tmp;
-
DUK_ASSERT(desc.a_idx < 0);
- /* Set property slot to an empty state. Careful not to invoke
- * any side effects while using desc.e_idx so that it doesn't
- * get invalidated by a finalizer mutating our object.
- */
-
/* remove hash entry (no decref) */
#if defined(DUK_USE_HOBJECT_HASH_PART)
if (desc.h_idx >= 0) {
@@ -51474,41 +54413,47 @@ DUK_INTERNAL duk_bool_t duk_hobject_delprop_raw(duk_hthread *thr, duk_hobject *o
DUK_ASSERT(DUK_HOBJECT_GET_HSIZE(obj) == 0);
#endif
- /* remove value */
+ /* Remove value. This requires multiple writes so avoid side
+ * effects via no-refzero macros so that e_idx is not
+ * invalidated.
+ */
DUK_DDD(DUK_DDDPRINT("before removing value, e_idx %ld, key %p, key at slot %p",
(long) desc.e_idx, (void *) key, (void *) DUK_HOBJECT_E_GET_KEY(thr->heap, obj, desc.e_idx)));
DUK_DDD(DUK_DDDPRINT("removing value at e_idx %ld", (long) desc.e_idx));
- DUK_MEMSET((void *) &tv_tmp, 0, sizeof(tv_tmp));
- DUK_TVAL_SET_UNDEFINED(&tv_tmp);
if (DUK_HOBJECT_E_SLOT_IS_ACCESSOR(thr->heap, obj, desc.e_idx)) {
- h_get = DUK_HOBJECT_E_GET_VALUE_GETTER(thr->heap, obj, desc.e_idx);
- h_set = DUK_HOBJECT_E_GET_VALUE_SETTER(thr->heap, obj, desc.e_idx);
+ duk_hobject *tmp;
+
+ tmp = DUK_HOBJECT_E_GET_VALUE_GETTER(thr->heap, obj, desc.e_idx);
DUK_HOBJECT_E_SET_VALUE_GETTER(thr->heap, obj, desc.e_idx, NULL);
+ DUK_UNREF(tmp);
+ DUK_HOBJECT_DECREF_NORZ_ALLOWNULL(thr, tmp);
+
+ tmp = DUK_HOBJECT_E_GET_VALUE_SETTER(thr->heap, obj, desc.e_idx);
DUK_HOBJECT_E_SET_VALUE_SETTER(thr->heap, obj, desc.e_idx, NULL);
+ DUK_UNREF(tmp);
+ DUK_HOBJECT_DECREF_NORZ_ALLOWNULL(thr, tmp);
} else {
tv = DUK_HOBJECT_E_GET_VALUE_TVAL_PTR(thr->heap, obj, desc.e_idx);
- DUK_TVAL_SET_TVAL(&tv_tmp, tv);
- DUK_TVAL_SET_UNDEFINED(tv);
+ DUK_TVAL_SET_UNDEFINED_UPDREF_NORZ(thr, tv);
}
#if 0
/* Not strictly necessary because if key == NULL, flag MUST be ignored. */
DUK_HOBJECT_E_SET_FLAGS(thr->heap, obj, desc.e_idx, 0);
#endif
- /* remove key */
+ /* Remove key. */
DUK_DDD(DUK_DDDPRINT("before removing key, e_idx %ld, key %p, key at slot %p",
(long) desc.e_idx, (void *) key, (void *) DUK_HOBJECT_E_GET_KEY(thr->heap, obj, desc.e_idx)));
DUK_DDD(DUK_DDDPRINT("removing key at e_idx %ld", (long) desc.e_idx));
DUK_ASSERT(key == DUK_HOBJECT_E_GET_KEY(thr->heap, obj, desc.e_idx));
DUK_HOBJECT_E_SET_KEY(thr->heap, obj, desc.e_idx, NULL);
+ DUK_HSTRING_DECREF_NORZ(thr, key);
- /* Do decrefs only with safe pointers to avoid side effects
- * disturbing e_idx.
+ /* Trigger refzero side effects only when we're done as a
+ * finalizer might operate on the object and affect the
+ * e_idx we're supposed to use.
*/
- DUK_TVAL_DECREF(thr, &tv_tmp);
- DUK_HOBJECT_DECREF_ALLOWNULL(thr, h_get);
- DUK_HOBJECT_DECREF_ALLOWNULL(thr, h_set);
- DUK_HSTRING_DECREF(thr, key);
+ DUK_REFZERO_CHECK_SLOW(thr);
goto success;
}
@@ -51541,14 +54486,7 @@ DUK_INTERNAL duk_bool_t duk_hobject_delprop_raw(duk_hthread *thr, duk_hobject *o
DUK_DDD(DUK_DDDPRINT("delete successful"));
return 1;
- fail_virtual:
- DUK_DDD(DUK_DDDPRINT("delete failed: property found, force flag, but virtual"));
-
- if (throw_flag) {
- DUK_ERROR_TYPE(thr, DUK_STR_PROPERTY_IS_VIRTUAL);
- }
- return 0;
-
+ fail_virtual: /* just use the same "not configurable" error message */
fail_not_configurable:
DUK_DDD(DUK_DDDPRINT("delete failed: property found, not configurable"));
@@ -51625,11 +54563,11 @@ DUK_INTERNAL duk_bool_t duk_hobject_delprop(duk_hthread *thr, duk_tval *tv_obj,
/* Target object must be checked for a conflicting
* non-configurable property.
*/
- arr_idx = duk__push_tval_to_hstring_arr_idx(ctx, tv_key, &key);
+ arr_idx = duk__push_tval_to_property_key(ctx, tv_key, &key);
DUK_ASSERT(key != NULL);
if (duk__get_own_propdesc_raw(thr, h_target, key, arr_idx, &desc, 0 /*flags*/)) { /* don't push value */
- int desc_reject;
+ duk_small_int_t desc_reject;
DUK_DDD(DUK_DDDPRINT("proxy 'deleteProperty': target has matching property %!O, check for "
"conflicting property; desc.flags=0x%08lx, "
@@ -51651,29 +54589,29 @@ DUK_INTERNAL duk_bool_t duk_hobject_delprop(duk_hthread *thr, duk_tval *tv_obj,
}
#endif /* DUK_USE_ES6_PROXY */
- duk_to_string(ctx, -1);
- key = duk_get_hstring(ctx, -1);
+ arr_idx = duk__to_property_key(ctx, -1, &key);
DUK_ASSERT(key != NULL);
rc = duk_hobject_delprop_raw(thr, obj, key, throw_flag ? DUK_DELPROP_FLAG_THROW : 0);
goto done_rc;
} else if (DUK_TVAL_IS_STRING(tv_obj)) {
+ /* String has .length and array index virtual properties
+ * which can't be deleted. No need for a symbol check;
+ * no offending virtual symbols exist.
+ */
/* XXX: unnecessary string coercion for array indices,
* intentional to keep small.
*/
duk_hstring *h = DUK_TVAL_GET_STRING(tv_obj);
DUK_ASSERT(h != NULL);
- duk_to_string(ctx, -1);
- key = duk_get_hstring(ctx, -1);
+ arr_idx = duk__to_property_key(ctx, -1, &key);
DUK_ASSERT(key != NULL);
if (key == DUK_HTHREAD_STRING_LENGTH(thr)) {
goto fail_not_configurable;
}
- arr_idx = DUK_HSTRING_GET_ARRIDX_FAST(key);
-
if (arr_idx != DUK__NO_ARRAY_INDEX &&
arr_idx < DUK_HSTRING_GET_CHARLEN(h)) {
goto fail_not_configurable;
@@ -51686,16 +54624,13 @@ DUK_INTERNAL duk_bool_t duk_hobject_delprop(duk_hthread *thr, duk_tval *tv_obj,
duk_hbuffer *h = DUK_TVAL_GET_BUFFER(tv_obj);
DUK_ASSERT(h != NULL);
- duk_to_string(ctx, -1);
- key = duk_get_hstring(ctx, -1);
+ arr_idx = duk__to_property_key(ctx, -1, &key);
DUK_ASSERT(key != NULL);
if (key == DUK_HTHREAD_STRING_LENGTH(thr)) {
goto fail_not_configurable;
}
- arr_idx = DUK_HSTRING_GET_ARRIDX_FAST(key);
-
if (arr_idx != DUK__NO_ARRAY_INDEX &&
arr_idx < DUK_HBUFFER_GET_SIZE(h)) {
goto fail_not_configurable;
@@ -51705,8 +54640,7 @@ DUK_INTERNAL duk_bool_t duk_hobject_delprop(duk_hthread *thr, duk_tval *tv_obj,
* reject if match any of them.
*/
- duk_to_string(ctx, -1);
- key = duk_get_hstring(ctx, -1);
+ arr_idx = duk__to_property_key(ctx, -1, &key);
DUK_ASSERT(key != NULL);
if (duk__key_is_lightfunc_ownprop(thr, key)) {
@@ -51824,7 +54758,19 @@ DUK_INTERNAL void duk_hobject_define_property_internal(duk_hthread *thr, duk_hob
DUK_DDD(DUK_DDDPRINT("property already exists but is virtual -> skip as requested"));
goto pop_exit;
}
- DUK_DDD(DUK_DDDPRINT("property already exists but is virtual -> failure"));
+ if (key == DUK_HTHREAD_STRING_LENGTH(thr) && DUK_HOBJECT_HAS_EXOTIC_ARRAY(obj)) {
+ duk_uint32_t new_len;
+#if defined(DUK_USE_DEBUG)
+ duk_uint32_t prev_len;
+ prev_len = ((duk_harray *) obj)->length;
+#endif
+ new_len = duk__to_new_array_length_checked(thr, DUK_GET_TVAL_NEGIDX(ctx, -1));
+ ((duk_harray *) obj)->length = new_len;
+ DUK_D(DUK_DPRINT("internal define property for array .length: %ld -> %ld",
+ (long) prev_len, (long) ((duk_harray *) obj)->length));
+ goto pop_exit;
+ }
+ DUK_DD(DUK_DDPRINT("property already exists but is virtual -> failure"));
goto error_virtual;
}
@@ -51870,12 +54816,9 @@ DUK_INTERNAL void duk_hobject_define_property_internal(duk_hthread *thr, duk_hob
duk_pop(ctx); /* remove in_val */
return;
+ error_virtual: /* share error message */
error_internal:
- DUK_ERROR_INTERNAL_DEFMSG(thr);
- return;
-
- error_virtual:
- DUK_ERROR_TYPE(thr, DUK_STR_REDEFINE_VIRT_PROP);
+ DUK_ERROR_INTERNAL(thr);
return;
}
@@ -51924,8 +54867,7 @@ DUK_INTERNAL void duk_hobject_define_property_internal_arridx(duk_hthread *thr,
DUK_DDD(DUK_DDDPRINT("define property fast path didn't work, use slow path"));
- duk_push_uint(ctx, (duk_uint_t) arr_idx);
- key = duk_to_hstring(ctx, -1);
+ key = duk_push_uint_to_hstring(ctx, (duk_uint_t) arr_idx);
DUK_ASSERT(key != NULL);
duk_insert(ctx, -2); /* [ ... val key ] -> [ ... key val ] */
@@ -51935,85 +54877,35 @@ DUK_INTERNAL void duk_hobject_define_property_internal_arridx(duk_hthread *thr,
}
/*
- * Internal helper for defining an accessor property, ignoring
- * normal semantics such as extensibility, write protection etc.
- * Overwrites any existing value and attributes. This is called
- * very rarely, so the implementation first sets a value to undefined
- * and then changes the entry to an accessor (this is to save code space).
+ * Internal helpers for managing object 'length'
*/
-DUK_INTERNAL void duk_hobject_define_accessor_internal(duk_hthread *thr, duk_hobject *obj, duk_hstring *key, duk_hobject *getter, duk_hobject *setter, duk_small_uint_t propflags) {
+DUK_INTERNAL duk_size_t duk_hobject_get_length(duk_hthread *thr, duk_hobject *obj) {
duk_context *ctx = (duk_context *) thr;
- duk_int_t e_idx;
- duk_int_t h_idx;
-
- DUK_DDD(DUK_DDDPRINT("define new accessor (internal): thr=%p, obj=%!O, key=%!O, "
- "getter=%!O, setter=%!O, flags=0x%02lx",
- (void *) thr, (duk_heaphdr *) obj, (duk_heaphdr *) key,
- (duk_heaphdr *) getter, (duk_heaphdr *) setter,
- (unsigned long) propflags));
+ duk_double_t val;
- DUK_ASSERT(thr != NULL);
- DUK_ASSERT(thr->heap != NULL);
+ DUK_ASSERT_CTX_VALID(ctx);
DUK_ASSERT(obj != NULL);
- DUK_ASSERT(key != NULL);
- DUK_ASSERT((propflags & ~DUK_PROPDESC_FLAGS_MASK) == 0);
- /* setter and/or getter may be NULL */
- DUK_ASSERT(!DUK_HEAPHDR_HAS_READONLY((duk_heaphdr *) obj));
-
- DUK_ASSERT_VALSTACK_SPACE(thr, DUK__VALSTACK_SPACE);
-
- /* force the property to 'undefined' to create a slot for it */
- duk_push_undefined(ctx);
- duk_hobject_define_property_internal(thr, obj, key, propflags);
- duk_hobject_find_existing_entry(thr->heap, obj, key, &e_idx, &h_idx);
- DUK_DDD(DUK_DDDPRINT("accessor slot: e_idx=%ld, h_idx=%ld", (long) e_idx, (long) h_idx));
- DUK_ASSERT(e_idx >= 0);
- DUK_ASSERT((duk_uint32_t) e_idx < DUK_HOBJECT_GET_ENEXT(obj));
-
- /* no need to decref, as previous value is 'undefined' */
- DUK_HOBJECT_E_SLOT_SET_ACCESSOR(thr->heap, obj, e_idx);
- DUK_HOBJECT_E_SET_VALUE_GETTER(thr->heap, obj, e_idx, getter);
- DUK_HOBJECT_E_SET_VALUE_SETTER(thr->heap, obj, e_idx, setter);
- DUK_HOBJECT_INCREF_ALLOWNULL(thr, getter);
- DUK_HOBJECT_INCREF_ALLOWNULL(thr, setter);
-}
-
-/*
- * Internal helpers for managing object 'length'
- */
-
-/* XXX: awkward helpers */
-DUK_INTERNAL void duk_hobject_set_length(duk_hthread *thr, duk_hobject *obj, duk_uint32_t length) {
- duk_context *ctx = (duk_context *) thr;
- duk_push_hobject(ctx, obj);
- duk_push_hstring_stridx(ctx, DUK_STRIDX_LENGTH);
- duk_push_u32(ctx, length);
- (void) duk_hobject_putprop(thr,
- DUK_GET_TVAL_NEGIDX(ctx, -3),
- DUK_GET_TVAL_NEGIDX(ctx, -2),
- DUK_GET_TVAL_NEGIDX(ctx, -1),
- 0);
- duk_pop_n(ctx, 3);
-}
-
-DUK_INTERNAL void duk_hobject_set_length_zero(duk_hthread *thr, duk_hobject *obj) {
- duk_hobject_set_length(thr, obj, 0);
-}
+ /* Fast path for Arrays. */
+ if (DUK_HOBJECT_HAS_EXOTIC_ARRAY(obj)) {
+ return ((duk_harray *) obj)->length;
+ }
-DUK_INTERNAL duk_uint32_t duk_hobject_get_length(duk_hthread *thr, duk_hobject *obj) {
- duk_context *ctx = (duk_context *) thr;
- duk_double_t val;
+ /* Slow path, .length can be e.g. accessor, obj can be a Proxy, etc. */
duk_push_hobject(ctx, obj);
duk_push_hstring_stridx(ctx, DUK_STRIDX_LENGTH);
(void) duk_hobject_getprop(thr,
DUK_GET_TVAL_NEGIDX(ctx, -2),
DUK_GET_TVAL_NEGIDX(ctx, -1));
- val = duk_to_number(ctx, -1);
- duk_pop_n(ctx, 3);
- if (val >= 0.0 && val < DUK_DOUBLE_2TO32) {
- return (duk_uint32_t) val;
+ val = duk_to_number_m1(ctx);
+ duk_pop_3(ctx);
+
+ /* This isn't part of Ecmascript semantics; return a value within
+ * duk_size_t range, or 0 otherwise.
+ */
+ if (val >= 0.0 && val <= (duk_double_t) DUK_SIZE_MAX) {
+ return (duk_size_t) val;
}
return 0;
}
@@ -52021,10 +54913,10 @@ DUK_INTERNAL duk_uint32_t duk_hobject_get_length(duk_hthread *thr, duk_hobject *
/*
* Object.getOwnPropertyDescriptor() (E5 Sections 15.2.3.3, 8.10.4)
*
- * This is an actual function call.
+ * [ ... key ] -> [ ... desc/undefined ]
*/
-DUK_INTERNAL duk_ret_t duk_hobject_object_get_own_property_descriptor(duk_context *ctx) {
+DUK_INTERNAL void duk_hobject_object_get_own_property_descriptor(duk_context *ctx, duk_idx_t obj_idx) {
duk_hthread *thr = (duk_hthread *) ctx;
duk_hobject *obj;
duk_hstring *key;
@@ -52035,11 +54927,8 @@ DUK_INTERNAL duk_ret_t duk_hobject_object_get_own_property_descriptor(duk_contex
DUK_ASSERT(thr != NULL);
DUK_ASSERT(thr->heap != NULL);
- obj = duk_require_hobject_or_lfunc_coerce(ctx, 0);
- (void) duk_to_string(ctx, 1);
- key = duk_require_hstring(ctx, 1);
-
- DUK_ASSERT(obj != NULL);
+ obj = duk_require_hobject_promote_mask(ctx, obj_idx, DUK_TYPE_MASK_LIGHTFUNC | DUK_TYPE_MASK_BUFFER);
+ key = duk_to_property_key_hstring(ctx, -1);
DUK_ASSERT(key != NULL);
DUK_ASSERT_VALSTACK_SPACE(thr, DUK__VALSTACK_SPACE);
@@ -52047,14 +54936,13 @@ DUK_INTERNAL duk_ret_t duk_hobject_object_get_own_property_descriptor(duk_contex
rc = duk_hobject_get_own_propdesc(thr, obj, key, &pd, DUK_GETDESC_FLAG_PUSH_VALUE);
if (!rc) {
duk_push_undefined(ctx);
-
- /* [obj key undefined] */
- return 1;
+ duk_remove_m2(ctx);
+ return;
}
duk_push_object(ctx);
- /* [obj key value desc] */
+ /* [ ... key value desc ] */
if (DUK_PROPDESC_IS_ACCESSOR(&pd)) {
/* If a setter/getter is missing (undefined), the descriptor must
@@ -52065,28 +54953,28 @@ DUK_INTERNAL duk_ret_t duk_hobject_object_get_own_property_descriptor(duk_contex
} else {
duk_push_undefined(ctx);
}
- duk_put_prop_stridx(ctx, -2, DUK_STRIDX_GET);
+ duk_put_prop_stridx_short(ctx, -2, DUK_STRIDX_GET);
if (pd.set) {
duk_push_hobject(ctx, pd.set);
} else {
duk_push_undefined(ctx);
}
- duk_put_prop_stridx(ctx, -2, DUK_STRIDX_SET);
+ duk_put_prop_stridx_short(ctx, -2, DUK_STRIDX_SET);
} else {
- duk_dup(ctx, -2); /* [obj key value desc value] */
- duk_put_prop_stridx(ctx, -2, DUK_STRIDX_VALUE);
+ duk_dup_m2(ctx);
+ duk_put_prop_stridx_short(ctx, -2, DUK_STRIDX_VALUE);
duk_push_boolean(ctx, DUK_PROPDESC_IS_WRITABLE(&pd));
- duk_put_prop_stridx(ctx, -2, DUK_STRIDX_WRITABLE);
-
- /* [obj key value desc] */
+ duk_put_prop_stridx_short(ctx, -2, DUK_STRIDX_WRITABLE);
}
duk_push_boolean(ctx, DUK_PROPDESC_IS_ENUMERABLE(&pd));
- duk_put_prop_stridx(ctx, -2, DUK_STRIDX_ENUMERABLE);
+ duk_put_prop_stridx_short(ctx, -2, DUK_STRIDX_ENUMERABLE);
duk_push_boolean(ctx, DUK_PROPDESC_IS_CONFIGURABLE(&pd));
- duk_put_prop_stridx(ctx, -2, DUK_STRIDX_CONFIGURABLE);
+ duk_put_prop_stridx_short(ctx, -2, DUK_STRIDX_CONFIGURABLE);
- /* [obj key value desc] */
- return 1;
+ /* [ ... key value desc ] */
+
+ duk_replace(ctx, -3);
+ duk_pop(ctx); /* -> [ ... desc ] */
}
/*
@@ -52095,9 +54983,10 @@ DUK_INTERNAL duk_ret_t duk_hobject_object_get_own_property_descriptor(duk_contex
* Internal helper which validates and normalizes a property descriptor
* represented as an Ecmascript object (e.g. argument to defineProperty()).
* The output of this conversion is a set of defprop_flags and possibly
- * some values pushed on the value stack; some subset of: property value,
- * getter, setter. Caller must manage stack top carefully because the
- * number of values pushed depends on the input property descriptor.
+ * some values pushed on the value stack to (1) ensure borrowed pointers
+ * remain valid, and (2) avoid unnecessary pops for footprint reasons.
+ * Caller must manage stack top carefully because the number of values
+ * pushed depends on the input property descriptor.
*
* The original descriptor object must not be altered in the process.
*/
@@ -52124,6 +55013,7 @@ void duk_hobject_prepare_property_descriptor(duk_context *ctx,
DUK_ASSERT(out_idx_value != NULL);
DUK_ASSERT(out_getter != NULL);
DUK_ASSERT(out_setter != NULL);
+ DUK_ASSERT(idx_in <= 0x7fffL); /* short variants would be OK, but not used to avoid shifts */
/* Must be an object, otherwise TypeError (E5.1 Section 8.10.5, step 1). */
idx_in = duk_require_normalize_index(ctx, idx_in);
@@ -52139,9 +55029,6 @@ void duk_hobject_prepare_property_descriptor(duk_context *ctx,
is_data_desc = 1;
defprop_flags |= DUK_DEFPROP_HAVE_VALUE;
idx_value = duk_get_top_index(ctx);
- /* Leave 'value' on stack */
- } else {
- duk_pop(ctx);
}
if (duk_get_prop_stridx(ctx, idx_in, DUK_STRIDX_WRITABLE)) {
@@ -52152,7 +55039,6 @@ void duk_hobject_prepare_property_descriptor(duk_context *ctx,
defprop_flags |= DUK_DEFPROP_HAVE_WRITABLE;
}
}
- duk_pop(ctx);
if (duk_get_prop_stridx(ctx, idx_in, DUK_STRIDX_GET)) {
duk_tval *tv = duk_require_tval(ctx, -1);
@@ -52166,7 +55052,7 @@ void duk_hobject_prepare_property_descriptor(duk_context *ctx,
* lightfuncs don't fit into a property value slot. This
* has some side effects, see test-dev-lightfunc-accessor.js.
*/
- h_get = duk_get_hobject_or_lfunc_coerce(ctx, -1);
+ h_get = duk_get_hobject_promote_lfunc(ctx, -1);
if (h_get == NULL || !DUK_HOBJECT_IS_CALLABLE(h_get)) {
goto type_error;
}
@@ -52174,9 +55060,6 @@ void duk_hobject_prepare_property_descriptor(duk_context *ctx,
}
is_acc_desc = 1;
defprop_flags |= DUK_DEFPROP_HAVE_GETTER;
- /* Leave 'getter' on stack */
- } else {
- duk_pop(ctx);
}
if (duk_get_prop_stridx(ctx, idx_in, DUK_STRIDX_SET)) {
@@ -52191,7 +55074,7 @@ void duk_hobject_prepare_property_descriptor(duk_context *ctx,
* lightfuncs don't fit into a property value slot. This
* has some side effects, see test-dev-lightfunc-accessor.js.
*/
- h_set = duk_get_hobject_or_lfunc_coerce(ctx, -1);
+ h_set = duk_get_hobject_promote_lfunc(ctx, -1);
if (h_set == NULL || !DUK_HOBJECT_IS_CALLABLE(h_set)) {
goto type_error;
}
@@ -52199,9 +55082,6 @@ void duk_hobject_prepare_property_descriptor(duk_context *ctx,
}
is_acc_desc = 1;
defprop_flags |= DUK_DEFPROP_HAVE_SETTER;
- /* Leave 'setter' on stack */
- } else {
- duk_pop(ctx);
}
if (duk_get_prop_stridx(ctx, idx_in, DUK_STRIDX_ENUMERABLE)) {
@@ -52211,7 +55091,6 @@ void duk_hobject_prepare_property_descriptor(duk_context *ctx,
defprop_flags |= DUK_DEFPROP_HAVE_ENUMERABLE;
}
}
- duk_pop(ctx);
if (duk_get_prop_stridx(ctx, idx_in, DUK_STRIDX_CONFIGURABLE)) {
if (duk_to_boolean(ctx, -1)) {
@@ -52220,7 +55099,6 @@ void duk_hobject_prepare_property_descriptor(duk_context *ctx,
defprop_flags |= DUK_DEFPROP_HAVE_CONFIGURABLE;
}
}
- duk_pop(ctx);
if (is_data_desc && is_acc_desc) {
goto type_error;
@@ -52231,7 +55109,7 @@ void duk_hobject_prepare_property_descriptor(duk_context *ctx,
*out_getter = getter;
*out_setter = setter;
- /* [ ... value? getter? setter? ] */
+ /* [ ... [multiple values] ] */
return;
type_error:
@@ -52239,7 +55117,8 @@ void duk_hobject_prepare_property_descriptor(duk_context *ctx,
}
/*
- * Object.defineProperty() related helper (E5 Section 15.2.3.6)
+ * Object.defineProperty() related helper (E5 Section 15.2.3.6).
+ * Also handles ES2015 Reflect.defineProperty().
*
* Inlines all [[DefineOwnProperty]] exotic behaviors.
*
@@ -52258,13 +55137,14 @@ void duk_hobject_prepare_property_descriptor(duk_context *ctx,
/* XXX: this is a major target for size optimization */
DUK_INTERNAL
-void duk_hobject_define_property_helper(duk_context *ctx,
- duk_uint_t defprop_flags,
- duk_hobject *obj,
- duk_hstring *key,
- duk_idx_t idx_value,
- duk_hobject *get,
- duk_hobject *set) {
+duk_bool_t duk_hobject_define_property_helper(duk_context *ctx,
+ duk_uint_t defprop_flags,
+ duk_hobject *obj,
+ duk_hstring *key,
+ duk_idx_t idx_value,
+ duk_hobject *get,
+ duk_hobject *set,
+ duk_bool_t throw_flag) {
duk_hthread *thr = (duk_hthread *) ctx;
duk_uint32_t arr_idx;
duk_tval tv;
@@ -52277,7 +55157,6 @@ void duk_hobject_define_property_helper(duk_context *ctx,
duk_bool_t is_enumerable;
duk_bool_t is_configurable;
duk_bool_t is_writable;
- duk_bool_t throw_flag;
duk_bool_t force_flag;
duk_small_uint_t new_flags;
duk_propdesc curr;
@@ -52306,7 +55185,6 @@ void duk_hobject_define_property_helper(duk_context *ctx,
is_writable = (defprop_flags & DUK_DEFPROP_WRITABLE);
is_enumerable = (defprop_flags & DUK_DEFPROP_ENUMERABLE);
is_configurable = (defprop_flags & DUK_DEFPROP_CONFIGURABLE);
- throw_flag = 1; /* Object.defineProperty() calls [[DefineOwnProperty]] with Throw=true */
force_flag = (defprop_flags & DUK_DEFPROP_FORCE);
arr_idx = DUK_HSTRING_GET_ARRIDX_SLOW(key);
@@ -52322,14 +55200,14 @@ void duk_hobject_define_property_helper(duk_context *ctx,
"has_value=%ld value=%!T "
"has_get=%ld get=%p=%!O "
"has_set=%ld set=%p=%!O "
- "arr_idx=%ld",
+ "arr_idx=%ld throw_flag=!%ld",
(long) has_enumerable, (long) is_enumerable,
(long) has_configurable, (long) is_configurable,
(long) has_writable, (long) is_writable,
(long) has_value, (duk_tval *) (idx_value >= 0 ? duk_get_tval(ctx, idx_value) : NULL),
(long) has_get, (void *) get, (duk_heaphdr *) get,
(long) has_set, (void *) set, (duk_heaphdr *) set,
- (long) arr_idx));
+ (long) arr_idx, (long) throw_flag));
/*
* Array exotic behaviors can be implemented at this point. The local variables
@@ -52342,6 +55220,8 @@ void duk_hobject_define_property_helper(duk_context *ctx,
}
if (key == DUK_HTHREAD_STRING_LENGTH(thr)) {
+ duk_harray *a;
+
/* E5 Section 15.4.5.1, step 3, steps a - i are implemented here, j - n at the end */
if (!has_value) {
DUK_DDD(DUK_DDDPRINT("exotic array behavior for 'length', but no value in descriptor -> normal behavior"));
@@ -52354,11 +55234,12 @@ void duk_hobject_define_property_helper(duk_context *ctx,
* Get old and new length
*/
- /* Note: reuse 'curr' as a temp propdesc */
- arrlen_old_len = duk__get_old_array_length(thr, obj, &curr);
+ a = (duk_harray *) obj;
+ DUK_ASSERT_HARRAY_VALID(a);
+ arrlen_old_len = a->length;
- duk_dup(ctx, idx_value);
- arrlen_new_len = duk__to_new_array_length_checked(thr);
+ DUK_ASSERT(idx_value >= 0);
+ arrlen_new_len = duk__to_new_array_length_checked(thr, DUK_GET_TVAL_POSIDX(ctx, idx_value));
duk_push_u32(ctx, arrlen_new_len);
duk_replace(ctx, idx_value); /* step 3.e: replace 'Desc.[[Value]]' */
@@ -52372,9 +55253,11 @@ void duk_hobject_define_property_helper(duk_context *ctx,
DUK_DDD(DUK_DDDPRINT("new length is smaller than previous => exotic post behavior"));
/* XXX: consolidated algorithm step 15.f -> redundant? */
- if (!(curr.flags & DUK_PROPDESC_FLAG_WRITABLE) && !force_flag) {
- /* Note: 'curr' refers to 'length' propdesc */
- goto fail_not_writable_array_length;
+ if (DUK_HARRAY_LENGTH_NONWRITABLE(a) && !force_flag) {
+ /* Array .length is always non-configurable; if it's also
+ * non-writable, don't allow it to be written.
+ */
+ goto fail_not_configurable;
}
/* steps 3.h and 3.i */
@@ -52390,18 +55273,24 @@ void duk_hobject_define_property_helper(duk_context *ctx,
/* E5 Section 15.4.5.1, step 4 */
duk_uint32_t old_len;
+ duk_harray *a;
+
+ a = (duk_harray *) obj;
+ DUK_ASSERT_HARRAY_VALID(a);
- /* Note: use 'curr' as a temp propdesc */
- old_len = duk__get_old_array_length(thr, obj, &curr);
+ old_len = a->length;
if (arr_idx >= old_len) {
DUK_DDD(DUK_DDDPRINT("defineProperty requires array length update "
"(arr_idx=%ld, old_len=%ld)",
(long) arr_idx, (long) old_len));
- if (!(curr.flags & DUK_PROPDESC_FLAG_WRITABLE)) {
- /* Note: 'curr' refers to 'length' propdesc */
- goto fail_not_writable_array_length;
+ if (DUK_HARRAY_LENGTH_NONWRITABLE(a) && !force_flag) {
+ /* Array .length is always non-configurable, so
+ * if it's also non-writable, don't allow a value
+ * write. With force flag allow writing.
+ */
+ goto fail_not_configurable;
}
/* actual update happens once write has been completed without
@@ -52440,6 +55329,17 @@ void duk_hobject_define_property_helper(duk_context *ctx,
goto fail_not_extensible;
}
+#if defined(DUK_USE_ROM_OBJECTS)
+ /* ROM objects are never extensible but force flag may
+ * allow us to come here anyway.
+ */
+ DUK_ASSERT(!DUK_HEAPHDR_HAS_READONLY((duk_heaphdr *) obj) || !DUK_HOBJECT_HAS_EXTENSIBLE(obj));
+ if (DUK_HEAPHDR_HAS_READONLY((duk_heaphdr *) obj)) {
+ DUK_D(DUK_DPRINT("attempt to define property on a read-only target object"));
+ goto fail_not_configurable;
+ }
+#endif
+
/* XXX: share final setting code for value and flags? difficult because
* refcount code is different. Share entry allocation? But can't allocate
* until array index checked.
@@ -52646,15 +55546,19 @@ void duk_hobject_define_property_helper(duk_context *ctx,
}
}
- /* Reject attempt to change virtual properties: not part of the
- * standard algorithm, applies currently to e.g. virtual index
- * properties of buffer objects (which are virtual but writable).
- * (Cannot "force" modification of a virtual property.)
+ /* Virtual properties don't have backing so they can't mostly be
+ * edited. Some virtual properties are, however, writable: for
+ * example, virtual index properties of buffer objects and Array
+ * instance .length. These are not configurable so the checks
+ * above mostly cover attempts to change them, except when the
+ * duk_def_prop() call is used with DUK_DEFPROP_FORCE; even in
+ * that case we can't forcibly change the property attributes
+ * because they don't have concrete backing.
*/
- if (curr.flags & DUK_PROPDESC_FLAG_VIRTUAL) {
- goto fail_virtual;
- }
+ /* XXX: for ROM objects too it'd be best if value modify was
+ * allowed if the value matches SameValue.
+ */
/* Reject attempt to change a read-only object. */
#if defined(DUK_USE_ROM_OBJECTS)
if (DUK_HEAPHDR_HAS_READONLY((duk_heaphdr *) obj)) {
@@ -52682,7 +55586,6 @@ void duk_hobject_define_property_helper(duk_context *ctx,
} else {
duk_bool_t rc;
duk_tval *tv1;
- duk_tval tv_tmp;
/* curr is data, desc is accessor */
if (!(curr.flags & DUK_PROPDESC_FLAG_CONFIGURABLE) && !force_flag) {
@@ -52699,15 +55602,16 @@ void duk_hobject_define_property_helper(duk_context *ctx,
DUK_ASSERT(rc != 0);
DUK_ASSERT(curr.e_idx >= 0 && curr.a_idx < 0);
}
+ if (curr.e_idx < 0) {
+ DUK_ASSERT(curr.a_idx < 0 && curr.e_idx < 0);
+ goto fail_virtual; /* safeguard for virtual property */
+ }
+ DUK_ASSERT(curr.e_idx >= 0);
DUK_ASSERT(!DUK_HOBJECT_E_SLOT_IS_ACCESSOR(thr->heap, obj, curr.e_idx));
- /* Avoid side effects that might disturb curr.e_idx until
- * we're done editing the slot.
- */
tv1 = DUK_HOBJECT_E_GET_VALUE_TVAL_PTR(thr->heap, obj, curr.e_idx);
- DUK_TVAL_SET_TVAL(&tv_tmp, tv1);
- DUK_TVAL_SET_UNDEFINED(tv1);
+ DUK_TVAL_SET_UNDEFINED_UPDREF_NORZ(thr, tv1); /* XXX: just decref */
DUK_HOBJECT_E_SET_VALUE_GETTER(thr->heap, obj, curr.e_idx, NULL);
DUK_HOBJECT_E_SET_VALUE_SETTER(thr->heap, obj, curr.e_idx, NULL);
@@ -52716,16 +55620,9 @@ void duk_hobject_define_property_helper(duk_context *ctx,
DUK_DDD(DUK_DDDPRINT("flags after data->accessor conversion: 0x%02lx",
(unsigned long) DUK_HOBJECT_E_GET_FLAGS(thr->heap, obj, curr.e_idx)));
-
- DUK_TVAL_DECREF(thr, &tv_tmp); /* side effects */
-
- /* re-lookup to update curr.flags
- * XXX: would be faster to update directly
- */
- duk_pop(ctx); /* remove old value */
- rc = duk__get_own_propdesc_raw(thr, obj, key, arr_idx, &curr, DUK_GETDESC_FLAG_PUSH_VALUE);
- DUK_UNREF(rc);
- DUK_ASSERT(rc != 0);
+ /* Update curr.flags; faster than a re-lookup. */
+ curr.flags &= ~DUK_PROPDESC_FLAG_WRITABLE;
+ curr.flags |= DUK_PROPDESC_FLAG_ACCESSOR;
}
} else if (has_value || has_writable) {
/* IsDataDescriptor(desc) == true */
@@ -52733,28 +55630,30 @@ void duk_hobject_define_property_helper(duk_context *ctx,
DUK_ASSERT(!has_get);
if (curr.flags & DUK_PROPDESC_FLAG_ACCESSOR) {
- duk_bool_t rc;
- duk_hobject *h_get;
- duk_hobject *h_set;
+ duk_hobject *tmp;
/* curr is accessor, desc is data */
if (!(curr.flags & DUK_PROPDESC_FLAG_CONFIGURABLE) && !force_flag) {
goto fail_not_configurable;
}
- /* curr is accessor -> cannot be in array part */
- DUK_ASSERT(curr.e_idx >= 0 && curr.a_idx < 0);
+ /* curr is accessor -> cannot be in array part. */
+ DUK_ASSERT(curr.a_idx < 0);
+ if (curr.e_idx < 0) {
+ goto fail_virtual; /* safeguard; no virtual accessors now */
+ }
DUK_DDD(DUK_DDDPRINT("convert property to data property"));
- /* Avoid side effects that might disturb curr.e_idx until
- * we're done editing the slot.
- */
DUK_ASSERT(DUK_HOBJECT_E_SLOT_IS_ACCESSOR(thr->heap, obj, curr.e_idx));
- h_get = DUK_HOBJECT_E_GET_VALUE_GETTER(thr->heap, obj, curr.e_idx);
+ tmp = DUK_HOBJECT_E_GET_VALUE_GETTER(thr->heap, obj, curr.e_idx);
+ DUK_UNREF(tmp);
DUK_HOBJECT_E_SET_VALUE_GETTER(thr->heap, obj, curr.e_idx, NULL);
- h_set = DUK_HOBJECT_E_GET_VALUE_SETTER(thr->heap, obj, curr.e_idx);
+ DUK_HOBJECT_DECREF_NORZ_ALLOWNULL(thr, tmp);
+ tmp = DUK_HOBJECT_E_GET_VALUE_SETTER(thr->heap, obj, curr.e_idx);
+ DUK_UNREF(tmp);
DUK_HOBJECT_E_SET_VALUE_SETTER(thr->heap, obj, curr.e_idx, NULL);
+ DUK_HOBJECT_DECREF_NORZ_ALLOWNULL(thr, tmp);
DUK_TVAL_SET_UNDEFINED(DUK_HOBJECT_E_GET_VALUE_TVAL_PTR(thr->heap, obj, curr.e_idx));
DUK_HOBJECT_E_SLOT_CLEAR_WRITABLE(thr->heap, obj, curr.e_idx);
@@ -52763,16 +55662,8 @@ void duk_hobject_define_property_helper(duk_context *ctx,
DUK_DDD(DUK_DDDPRINT("flags after accessor->data conversion: 0x%02lx",
(unsigned long) DUK_HOBJECT_E_GET_FLAGS(thr->heap, obj, curr.e_idx)));
- DUK_HOBJECT_DECREF_ALLOWNULL(thr, h_get); /* side effects */
- DUK_HOBJECT_DECREF_ALLOWNULL(thr, h_set); /* side effects */
-
- /* re-lookup to update curr.flags
- * XXX: would be faster to update directly
- */
- duk_pop(ctx); /* remove old value */
- rc = duk__get_own_propdesc_raw(thr, obj, key, arr_idx, &curr, DUK_GETDESC_FLAG_PUSH_VALUE);
- DUK_UNREF(rc);
- DUK_ASSERT(rc != 0);
+ /* Update curr.flags; faster than a re-lookup. */
+ curr.flags &= ~(DUK_PROPDESC_FLAG_WRITABLE | DUK_PROPDESC_FLAG_ACCESSOR);
} else {
/* curr and desc are data */
if (!(curr.flags & DUK_PROPDESC_FLAG_CONFIGURABLE) && !force_flag) {
@@ -52851,10 +55742,11 @@ void duk_hobject_define_property_helper(duk_context *ctx,
DUK_ASSERT(curr.flags == DUK_PROPDESC_FLAGS_WEC); /* must have been, since in array part */
DUK_ASSERT(!has_set);
DUK_ASSERT(!has_get);
+ DUK_ASSERT(idx_value >= 0); /* must be: if attributes match and we get here the value must differ (otherwise no change) */
tv2 = duk_require_tval(ctx, idx_value);
tv1 = DUK_HOBJECT_A_GET_VALUE_PTR(thr->heap, obj, curr.a_idx);
- DUK_TVAL_SET_TVAL_UPDREF(thr, tv1, tv2); /* side effects */
+ DUK_TVAL_SET_TVAL_UPDREF(thr, tv1, tv2); /* side effects; may invalidate a_idx */
goto success_exotics;
}
@@ -52869,15 +55761,45 @@ void duk_hobject_define_property_helper(duk_context *ctx,
DUK_DDD(DUK_DDDPRINT("updating existing property in entry part"));
- /* array case is handled comprehensively above */
- DUK_ASSERT(curr.e_idx >= 0 && curr.a_idx < 0);
+ /* Array case is handled comprehensively above: either in entry
+ * part or a virtual property.
+ */
+ DUK_ASSERT(curr.a_idx < 0);
DUK_DDD(DUK_DDDPRINT("update existing property attributes"));
- DUK_HOBJECT_E_SET_FLAGS(thr->heap, obj, curr.e_idx, new_flags);
+ if (curr.e_idx >= 0) {
+ DUK_HOBJECT_E_SET_FLAGS(thr->heap, obj, curr.e_idx, new_flags);
+ } else {
+ /* For Array .length the only allowed transition is for .length
+ * to become non-writable.
+ */
+ if (key == DUK_HTHREAD_STRING_LENGTH(thr) && DUK_HOBJECT_HAS_EXOTIC_ARRAY(obj)) {
+ duk_harray *a;
+ a = (duk_harray *) obj;
+ DUK_DD(DUK_DDPRINT("Object.defineProperty() attribute update for duk_harray .length -> %02lx", (unsigned long) new_flags));
+ DUK_ASSERT_HARRAY_VALID(a);
+ if ((new_flags & DUK_PROPDESC_FLAGS_EC) != (curr.flags & DUK_PROPDESC_FLAGS_EC)) {
+ DUK_D(DUK_DPRINT("Object.defineProperty() attempt to change virtual array .length enumerable or configurable attribute, fail"));
+ goto fail_virtual;
+ }
+ if (new_flags & DUK_PROPDESC_FLAG_WRITABLE) {
+ DUK_HARRAY_SET_LENGTH_WRITABLE(a);
+ } else {
+ DUK_HARRAY_SET_LENGTH_NONWRITABLE(a);
+ }
+ }
+ }
if (has_set) {
duk_hobject *tmp;
+ /* Virtual properties are non-configurable but with a 'force'
+ * flag we might come here so check explicitly for virtual.
+ */
+ if (curr.e_idx < 0) {
+ goto fail_virtual;
+ }
+
DUK_DDD(DUK_DDDPRINT("update existing property setter"));
DUK_ASSERT(DUK_HOBJECT_E_SLOT_IS_ACCESSOR(thr->heap, obj, curr.e_idx));
@@ -52885,11 +55807,15 @@ void duk_hobject_define_property_helper(duk_context *ctx,
DUK_UNREF(tmp);
DUK_HOBJECT_E_SET_VALUE_SETTER(thr->heap, obj, curr.e_idx, set);
DUK_HOBJECT_INCREF_ALLOWNULL(thr, set);
- DUK_HOBJECT_DECREF_ALLOWNULL(thr, tmp); /* side effects */
+ DUK_HOBJECT_DECREF_ALLOWNULL(thr, tmp); /* side effects; may invalidate e_idx */
}
if (has_get) {
duk_hobject *tmp;
+ if (curr.e_idx < 0) {
+ goto fail_virtual;
+ }
+
DUK_DDD(DUK_DDDPRINT("update existing property getter"));
DUK_ASSERT(DUK_HOBJECT_E_SLOT_IS_ACCESSOR(thr->heap, obj, curr.e_idx));
@@ -52897,17 +55823,35 @@ void duk_hobject_define_property_helper(duk_context *ctx,
DUK_UNREF(tmp);
DUK_HOBJECT_E_SET_VALUE_GETTER(thr->heap, obj, curr.e_idx, get);
DUK_HOBJECT_INCREF_ALLOWNULL(thr, get);
- DUK_HOBJECT_DECREF_ALLOWNULL(thr, tmp); /* side effects */
+ DUK_HOBJECT_DECREF_ALLOWNULL(thr, tmp); /* side effects; may invalidate e_idx */
}
if (has_value) {
duk_tval *tv1, *tv2;
DUK_DDD(DUK_DDDPRINT("update existing property value"));
- DUK_ASSERT(!DUK_HOBJECT_E_SLOT_IS_ACCESSOR(thr->heap, obj, curr.e_idx));
- tv2 = duk_require_tval(ctx, idx_value);
- tv1 = DUK_HOBJECT_E_GET_VALUE_TVAL_PTR(thr->heap, obj, curr.e_idx);
- DUK_TVAL_SET_TVAL_UPDREF(thr, tv1, tv2); /* side effects */
+ if (curr.e_idx >= 0) {
+ DUK_ASSERT(!DUK_HOBJECT_E_SLOT_IS_ACCESSOR(thr->heap, obj, curr.e_idx));
+ tv2 = duk_require_tval(ctx, idx_value);
+ tv1 = DUK_HOBJECT_E_GET_VALUE_TVAL_PTR(thr->heap, obj, curr.e_idx);
+ DUK_TVAL_SET_TVAL_UPDREF(thr, tv1, tv2); /* side effects; may invalidate e_idx */
+ } else {
+ DUK_ASSERT(curr.a_idx < 0); /* array part case handled comprehensively previously */
+
+ DUK_DD(DUK_DDPRINT("Object.defineProperty(), value update for virtual property"));
+ /* XXX: Uint8Array and other typed array virtual writes not currently
+ * handled.
+ */
+ if (key == DUK_HTHREAD_STRING_LENGTH(thr) && DUK_HOBJECT_HAS_EXOTIC_ARRAY(obj)) {
+ duk_harray *a;
+ a = (duk_harray *) obj;
+ DUK_DD(DUK_DDPRINT("Object.defineProperty() value update for duk_harray .length -> %ld", (long) arrlen_new_len));
+ DUK_ASSERT_HARRAY_VALID(a);
+ a->length = arrlen_new_len;
+ } else {
+ goto fail_virtual; /* should not happen */
+ }
+ }
}
/*
@@ -52924,13 +55868,19 @@ void duk_hobject_define_property_helper(duk_context *ctx,
success_exotics:
+ /* curr.a_idx or curr.e_idx may have been invalidated by side effects
+ * above.
+ */
+
/* [obj key desc value get set curr_value] */
if (DUK_HOBJECT_HAS_EXOTIC_ARRAY(obj)) {
- if (arridx_new_array_length > 0) {
- duk_tval *tmp;
- duk_bool_t rc;
+ duk_harray *a;
+ a = (duk_harray *) obj;
+ DUK_ASSERT_HARRAY_VALID(a);
+
+ if (arridx_new_array_length > 0) {
/*
* Note: zero works as a "no update" marker because the new length
* can never be zero after a new property is written.
@@ -52941,31 +55891,19 @@ void duk_hobject_define_property_helper(duk_context *ctx,
DUK_DDD(DUK_DDDPRINT("defineProperty successful, pending array length update to: %ld",
(long) arridx_new_array_length));
- /* Note: reuse 'curr' */
- rc = duk__get_own_propdesc_raw(thr, obj, DUK_HTHREAD_STRING_LENGTH(thr), DUK__NO_ARRAY_INDEX, &curr, 0 /*flags*/); /* don't push value */
- DUK_UNREF(rc);
- DUK_ASSERT(rc != 0);
- DUK_ASSERT(curr.e_idx >= 0);
-
- tmp = DUK_HOBJECT_E_GET_VALUE_TVAL_PTR(thr->heap, obj, curr.e_idx);
- DUK_ASSERT(DUK_TVAL_IS_NUMBER(tmp));
- /* no need for decref/incref because value is a number */
- DUK_TVAL_SET_FASTINT_U32(tmp, arridx_new_array_length);
+ a->length = arridx_new_array_length;
}
+
if (key == DUK_HTHREAD_STRING_LENGTH(thr) && arrlen_new_len < arrlen_old_len) {
/*
* E5 Section 15.4.5.1, steps 3.k - 3.n. The order at the end combines
* the error case 3.l.iii and the success case 3.m-3.n.
- *
- * Note: 'length' is always in entries part, so no array abandon issues for
- * 'writable' update.
*/
/* XXX: investigate whether write protect can be handled above, if we
* just update length here while ignoring its protected status
*/
- duk_tval *tmp;
duk_uint32_t result_len;
duk_bool_t rc;
@@ -52977,25 +55915,17 @@ void duk_hobject_define_property_helper(duk_context *ctx,
/* update length (curr points to length, and we assume it's still valid) */
DUK_ASSERT(result_len >= arrlen_new_len && result_len <= arrlen_old_len);
- DUK_ASSERT(curr.e_idx >= 0);
- DUK_ASSERT(!DUK_HOBJECT_E_SLOT_IS_ACCESSOR(thr->heap, obj, curr.e_idx));
- tmp = DUK_HOBJECT_E_GET_VALUE_TVAL_PTR(thr->heap, obj, curr.e_idx);
- DUK_ASSERT(DUK_TVAL_IS_NUMBER(tmp));
- /* no decref needed for a number */
- DUK_TVAL_SET_FASTINT_U32(tmp, result_len);
- DUK_ASSERT(DUK_TVAL_IS_NUMBER(tmp));
+ a->length = result_len;
if (pending_write_protect) {
DUK_DDD(DUK_DDDPRINT("setting array length non-writable (pending writability update)"));
- DUK_HOBJECT_E_SLOT_CLEAR_WRITABLE(thr->heap, obj, curr.e_idx);
+ DUK_HARRAY_SET_LENGTH_NONWRITABLE(a);
}
- /*
- * XXX: shrink array allocation or entries compaction here?
- */
-
+ /* XXX: shrink array allocation or entries compaction here? */
if (!rc) {
- goto fail_array_length_partial;
+ DUK_DD(DUK_DDPRINT("array length write only partially successful"));
+ goto fail_not_configurable;
}
}
} else if (arr_idx != DUK__NO_ARRAY_INDEX && DUK_HOBJECT_HAS_EXOTIC_ARGUMENTS(obj)) {
@@ -53042,7 +55972,7 @@ void duk_hobject_define_property_helper(duk_context *ctx,
(duk_tval *) duk_require_tval(ctx, idx_value)));
/* strict flag for putvar comes from our caller (currently: fixed) */
- duk_js_putvar_envrec(thr, varenv, varname, duk_require_tval(ctx, idx_value), throw_flag);
+ duk_js_putvar_envrec(thr, varenv, varname, duk_require_tval(ctx, idx_value), 1 /*throw_flag*/);
}
if (has_writable && !is_writable) {
DUK_DDD(DUK_DDDPRINT("defineProperty successful, key mapped to arguments 'map', "
@@ -53058,27 +55988,24 @@ void duk_hobject_define_property_helper(duk_context *ctx,
}
success_no_exotics:
- return;
-
- fail_virtual:
- DUK_ERROR_TYPE(thr, DUK_STR_PROPERTY_IS_VIRTUAL);
- return;
-
- fail_not_writable_array_length:
- DUK_ERROR_TYPE(thr, DUK_STR_ARRAY_LENGTH_NOT_WRITABLE);
- return;
+ /* Some code paths use NORZ macros for simplicity, ensure refzero
+ * handling is completed.
+ */
+ DUK_REFZERO_CHECK_SLOW(thr);
+ return 1;
fail_not_extensible:
- DUK_ERROR_TYPE(thr, DUK_STR_NOT_EXTENSIBLE);
- return;
+ if (throw_flag) {
+ DUK_ERROR_TYPE(thr, DUK_STR_NOT_EXTENSIBLE);
+ }
+ return 0;
+ fail_virtual: /* just use the same "not configurable" error message" */
fail_not_configurable:
- DUK_ERROR_TYPE(thr, DUK_STR_NOT_CONFIGURABLE);
- return;
-
- fail_array_length_partial:
- DUK_ERROR_TYPE(thr, DUK_STR_ARRAY_LENGTH_WRITE_FAILED);
- return;
+ if (throw_flag) {
+ DUK_ERROR_TYPE(thr, DUK_STR_NOT_CONFIGURABLE);
+ }
+ return 0;
}
/*
@@ -53093,7 +56020,7 @@ DUK_INTERNAL duk_bool_t duk_hobject_object_ownprop_helper(duk_context *ctx, duk_
duk_bool_t ret;
/* coercion order matters */
- h_v = duk_to_hstring(ctx, 0);
+ h_v = duk_to_hstring_acceptsymbol(ctx, 0);
DUK_ASSERT(h_v != NULL);
h_obj = duk_push_this_coercible_to_object(ctx);
@@ -53239,25 +56166,25 @@ DUK_INTERNAL duk_bool_t duk_hobject_object_is_sealed_frozen_helper(duk_hthread *
* and the Object built-in bindings.
*/
-/* Undefine local defines */
-
-#undef DUK__NO_ARRAY_INDEX
+/* automatic undefs */
+#undef DUK__HASH_DELETED
#undef DUK__HASH_INITIAL
#undef DUK__HASH_PROBE_STEP
#undef DUK__HASH_UNUSED
-#undef DUK__HASH_DELETED
+#undef DUK__NO_ARRAY_INDEX
+#undef DUK__VALSTACK_PROXY_LOOKUP
#undef DUK__VALSTACK_SPACE
-#line 1 "duk_hstring_misc.c"
/*
* Misc support functions
*/
-/* include removed: duk_internal.h */
+/* #include duk_internal.h -> already included */
-DUK_INTERNAL duk_ucodepoint_t duk_hstring_char_code_at_raw(duk_hthread *thr, duk_hstring *h, duk_uint_t pos) {
+DUK_INTERNAL duk_ucodepoint_t duk_hstring_char_code_at_raw(duk_hthread *thr, duk_hstring *h, duk_uint_t pos, duk_bool_t surrogate_aware) {
duk_uint32_t boff;
const duk_uint8_t *p, *p_start, *p_end;
- duk_ucodepoint_t cp;
+ duk_ucodepoint_t cp1;
+ duk_ucodepoint_t cp2;
/* Caller must check character offset to be inside the string. */
DUK_ASSERT(thr != NULL);
@@ -53278,9 +56205,26 @@ DUK_INTERNAL duk_ucodepoint_t duk_hstring_char_code_at_raw(duk_hthread *thr, duk
(const void *) p_start, (const void *) p_end,
(const void *) p));
- /* This may throw an error though not for valid E5 strings. */
- cp = duk_unicode_decode_xutf8_checked(thr, &p, p_start, p_end);
- return cp;
+ /* For invalid UTF-8 (never happens for standard Ecmascript strings)
+ * return U+FFFD replacement character.
+ */
+ if (duk_unicode_decode_xutf8(thr, &p, p_start, p_end, &cp1)) {
+ if (surrogate_aware && cp1 >= 0xd800UL && cp1 <= 0xdbffUL) {
+ /* The decode helper is memory safe even if 'cp1' was
+ * decoded at the end of the string and 'p' is no longer
+ * within string memory range.
+ */
+ cp2 = 0; /* If call fails, this is left untouched and won't match cp2 check. */
+ (void) duk_unicode_decode_xutf8(thr, &p, p_start, p_end, &cp2);
+ if (cp2 >= 0xdc00UL && cp2 <= 0xdfffUL) {
+ cp1 = ((cp1 - 0xd800UL) << 10) + (cp2 - 0xdc00UL) + 0x10000UL;
+ }
+ }
+ } else {
+ cp1 = DUK_UNICODE_CP_REPLACEMENT_CHARACTER;
+ }
+
+ return cp1;
}
#if !defined(DUK_USE_HSTRING_CLEN)
@@ -53293,12 +56237,11 @@ DUK_INTERNAL duk_size_t duk_hstring_get_charlen(duk_hstring *h) {
}
}
#endif /* !DUK_USE_HSTRING_CLEN */
-#line 1 "duk_hthread_alloc.c"
/*
* duk_hthread allocation and freeing.
*/
-/* include removed: duk_internal.h */
+/* #include duk_internal.h -> already included */
/*
* Allocate initial stacks for a thread. Note that 'thr' must be reachable
@@ -53389,37 +56332,24 @@ DUK_INTERNAL void *duk_hthread_get_catchstack_ptr(duk_heap *heap, void *ud) {
DUK_UNREF(heap);
return (void *) thr->catchstack;
}
-#line 1 "duk_hthread_builtins.c"
/*
* Initialize built-in objects. Current thread must have a valstack
* and initialization errors may longjmp, so a setjmp() catch point
* must exist.
*/
-/* include removed: duk_internal.h */
+/* #include duk_internal.h -> already included */
/*
* Encoding constants, must match genbuiltins.py
*/
-#define DUK__CLASS_BITS 5
-#define DUK__BIDX_BITS 7
-#define DUK__STRIDX_BITS 9 /* XXX: try to optimize to 8 (would now be possible, <200 used) */
-#define DUK__NATIDX_BITS 8
-#define DUK__NUM_NORMAL_PROPS_BITS 6
-#define DUK__NUM_FUNC_PROPS_BITS 6
#define DUK__PROP_FLAGS_BITS 3
-#define DUK__STRING_LENGTH_BITS 8
-#define DUK__STRING_CHAR_BITS 7
#define DUK__LENGTH_PROP_BITS 3
#define DUK__NARGS_BITS 3
#define DUK__PROP_TYPE_BITS 3
-#define DUK__MAGIC_BITS 16
#define DUK__NARGS_VARARGS_MARKER 0x07
-#define DUK__NO_CLASS_MARKER 0x00 /* 0 = DUK_HOBJECT_CLASS_UNUSED */
-#define DUK__NO_BIDX_MARKER 0x7f
-#define DUK__NO_STRIDX_MARKER 0xff
#define DUK__PROP_TYPE_DOUBLE 0
#define DUK__PROP_TYPE_STRING 1
@@ -53452,22 +56382,20 @@ DUK_LOCAL void duk__duplicate_ram_global_object(duk_hthread *thr) {
#if defined(DUK_USE_ROM_GLOBAL_INHERIT)
/* Inherit from ROM-based global object: less RAM usage, less transparent. */
- duk_push_object_helper(ctx,
- DUK_HOBJECT_FLAG_EXTENSIBLE |
- DUK_HOBJECT_CLASS_AS_FLAGS(DUK_HOBJECT_CLASS_GLOBAL),
- DUK_BIDX_GLOBAL);
- h1 = duk_get_hobject(ctx, -1);
+ h1 = duk_push_object_helper(ctx,
+ DUK_HOBJECT_FLAG_EXTENSIBLE |
+ DUK_HOBJECT_CLASS_AS_FLAGS(DUK_HOBJECT_CLASS_GLOBAL),
+ DUK_BIDX_GLOBAL);
DUK_ASSERT(h1 != NULL);
#elif defined(DUK_USE_ROM_GLOBAL_CLONE)
/* Clone the properties of the ROM-based global object to create a
* fully RAM-based global object. Uses more memory than the inherit
* model but more compliant.
*/
- duk_push_object_helper(ctx,
- DUK_HOBJECT_FLAG_EXTENSIBLE |
- DUK_HOBJECT_CLASS_AS_FLAGS(DUK_HOBJECT_CLASS_GLOBAL),
- DUK_BIDX_OBJECT_PROTOTYPE);
- h1 = duk_get_hobject(ctx, -1);
+ h1 = duk_push_object_helper(ctx,
+ DUK_HOBJECT_FLAG_EXTENSIBLE |
+ DUK_HOBJECT_CLASS_AS_FLAGS(DUK_HOBJECT_CLASS_GLOBAL),
+ DUK_BIDX_OBJECT_PROTOTYPE);
DUK_ASSERT(h1 != NULL);
h2 = thr->builtins[DUK_BIDX_GLOBAL];
DUK_ASSERT(h2 != NULL);
@@ -53480,7 +56408,7 @@ DUK_LOCAL void duk__duplicate_ram_global_object(duk_hthread *thr) {
DUK_ASSERT(alloc_size > 0);
props = DUK_ALLOC(thr->heap, alloc_size);
if (!props) {
- DUK_ERROR_ALLOC_DEFMSG(thr);
+ DUK_ERROR_ALLOC_FAILED(thr);
return;
}
DUK_ASSERT(DUK_HOBJECT_GET_PROPS(thr->heap, h2) != NULL);
@@ -53513,16 +56441,14 @@ DUK_LOCAL void duk__duplicate_ram_global_object(duk_hthread *thr) {
* needed so that the global scope points to the newly created RAM-based
* global object.
*/
- duk_push_object_helper(ctx,
- DUK_HOBJECT_FLAG_EXTENSIBLE |
- DUK_HOBJECT_CLASS_AS_FLAGS(DUK_HOBJECT_CLASS_OBJENV),
- -1); /* no prototype */
- h1 = duk_get_hobject(ctx, -1);
+ h1 = duk_push_object_helper(ctx,
+ DUK_HOBJECT_FLAG_EXTENSIBLE |
+ DUK_HOBJECT_CLASS_AS_FLAGS(DUK_HOBJECT_CLASS_OBJENV),
+ -1); /* no prototype */
DUK_ASSERT(h1 != NULL);
- duk_dup(ctx, -2);
- duk_dup(ctx, -1); /* -> [ ... new_global new_globalenv new_global new_global ] */
- duk_xdef_prop_stridx(thr, -3, DUK_STRIDX_INT_TARGET, DUK_PROPDESC_FLAGS_NONE);
- duk_xdef_prop_stridx(thr, -2, DUK_STRIDX_INT_THIS, DUK_PROPDESC_FLAGS_NONE); /* always provideThis=true */
+ duk_dup_m2(ctx); /* -> [ ... new_global new_globalenv new_global ] */
+ duk_xdef_prop_stridx_short(thr, -2, DUK_STRIDX_INT_TARGET, DUK_PROPDESC_FLAGS_NONE);
+ /* provideThis=false */
duk_hobject_compact_props(thr, h1);
DUK_ASSERT(thr->builtins[DUK_BIDX_GLOBAL_ENV] != NULL);
@@ -53561,28 +56487,31 @@ DUK_INTERNAL void duk_hthread_create_builtin_objects(duk_hthread *thr) {
DUK_LOCAL void duk__push_stridx(duk_context *ctx, duk_bitdecoder_ctx *bd) {
duk_small_uint_t n;
- n = (duk_small_uint_t) duk_bd_decode(bd, DUK__STRIDX_BITS);
+ n = (duk_small_uint_t) duk_bd_decode_varuint(bd);
DUK_ASSERT_DISABLE(n >= 0); /* unsigned */
DUK_ASSERT(n < DUK_HEAP_NUM_STRINGS);
duk_push_hstring_stridx(ctx, n);
}
DUK_LOCAL void duk__push_string(duk_context *ctx, duk_bitdecoder_ctx *bd) {
- duk_small_uint_t n;
- duk_small_uint_t i;
- duk_uint8_t *p;
+ /* XXX: built-ins data could provide a maximum length that is
+ * actually needed; bitpacked max length is now 256 bytes.
+ */
+ duk_uint8_t tmp[DUK_BD_BITPACKED_STRING_MAXLEN];
+ duk_small_uint_t len;
- n = (duk_small_uint_t) duk_bd_decode(bd, DUK__STRING_LENGTH_BITS);
- p = (duk_uint8_t *) duk_push_fixed_buffer(ctx, n);
- for (i = 0; i < n; i++) {
- *p++ = (duk_uint8_t) duk_bd_decode(bd, DUK__STRING_CHAR_BITS);
- }
- duk_to_string(ctx, -1);
+ len = duk_bd_decode_bitpacked_string(bd, tmp);
+ duk_push_lstring(ctx, (const char *) tmp, (duk_size_t) len);
}
DUK_LOCAL void duk__push_stridx_or_string(duk_context *ctx, duk_bitdecoder_ctx *bd) {
- if (duk_bd_decode_flag(bd)) {
+ duk_small_uint_t n;
+
+ n = (duk_small_uint_t) duk_bd_decode_varuint(bd);
+ if (n == 0) {
duk__push_string(ctx, bd);
} else {
- duk__push_stridx(ctx, bd);
+ n--;
+ DUK_ASSERT(n < DUK_HEAP_NUM_STRINGS);
+ duk_push_hstring_stridx(ctx, n);
}
}
DUK_LOCAL void duk__push_double(duk_context *ctx, duk_bitdecoder_ctx *bd) {
@@ -53633,7 +56562,7 @@ DUK_INTERNAL void duk_hthread_create_builtin_objects(duk_hthread *thr) {
duk_small_uint_t class_num;
duk_small_int_t len = -1; /* must be signed */
- class_num = (duk_small_uint_t) duk_bd_decode(bd, DUK__CLASS_BITS);
+ class_num = (duk_small_uint_t) duk_bd_decode_varuint(bd);
len = (duk_small_int_t) duk_bd_decode_flagged(bd, DUK__LENGTH_PROP_BITS, (duk_int32_t) -1 /*def_value*/);
if (class_num == DUK_HOBJECT_CLASS_FUNCTION) {
@@ -53645,8 +56574,10 @@ DUK_INTERNAL void duk_hthread_create_builtin_objects(duk_hthread *thr) {
DUK_DDD(DUK_DDDPRINT("len=%ld", (long) len));
DUK_ASSERT(len >= 0);
- natidx = (duk_small_uint_t) duk_bd_decode(bd, DUK__NATIDX_BITS);
+ natidx = (duk_small_uint_t) duk_bd_decode_varuint(bd);
+ DUK_ASSERT(natidx != 0);
c_func = duk_bi_native_functions[natidx];
+ DUK_ASSERT(c_func != NULL);
c_nargs = (duk_small_uint_t) duk_bd_decode_flagged(bd, DUK__NARGS_BITS, len /*def_value*/);
if (c_nargs == DUK__NARGS_VARARGS_MARKER) {
@@ -53656,8 +56587,7 @@ DUK_INTERNAL void duk_hthread_create_builtin_objects(duk_hthread *thr) {
/* XXX: set magic directly here? (it could share the c_nargs arg) */
duk_push_c_function_noexotic(ctx, c_func, c_nargs);
- h = duk_require_hobject(ctx, -1);
- DUK_ASSERT(h != NULL);
+ h = duk_known_hobject(ctx, -1);
/* Currently all built-in native functions are strict.
* duk_push_c_function() now sets strict flag, so
@@ -53667,16 +56597,15 @@ DUK_INTERNAL void duk_hthread_create_builtin_objects(duk_hthread *thr) {
/* XXX: function properties */
- /* Built-in 'name' is not writable by default. Function '.name'
- * is writable to allow user code to set a '.name' on a native
- * function.
- */
duk__push_stridx_or_string(ctx, bd);
- duk_xdef_prop_stridx(ctx,
- -2,
- DUK_STRIDX_NAME,
- (i == DUK_BIDX_FUNCTION_PROTOTYPE) ?
- DUK_PROPDESC_FLAGS_W : DUK_PROPDESC_FLAGS_NONE);
+#if defined(DUK_USE_FUNC_NAME_PROPERTY)
+ duk_xdef_prop_stridx_short(ctx,
+ -2,
+ DUK_STRIDX_NAME,
+ DUK_PROPDESC_FLAGS_C);
+#else
+ duk_pop(ctx); /* Not very ideal but good enough for now. */
+#endif
/* Almost all global level Function objects are constructable
* but not all: Function.prototype is a non-constructable,
@@ -53689,19 +56618,18 @@ DUK_INTERNAL void duk_hthread_create_builtin_objects(duk_hthread *thr) {
}
/* Cast converts magic to 16-bit signed value */
- magic = (duk_int16_t) duk_bd_decode_flagged(bd, DUK__MAGIC_BITS, 0 /*def_value*/);
- ((duk_hnativefunction *) h)->magic = magic;
+ magic = (duk_int16_t) duk_bd_decode_varuint(bd);
+ ((duk_hnatfunc *) h)->magic = magic;
+ } else if (class_num == DUK_HOBJECT_CLASS_ARRAY) {
+ duk_push_array(ctx);
} else {
- /* XXX: ARRAY_PART for Array prototype? */
+ (void) duk_push_object_helper(ctx,
+ DUK_HOBJECT_FLAG_EXTENSIBLE,
+ -1); /* no prototype or class yet */
- duk_push_object_helper(ctx,
- DUK_HOBJECT_FLAG_EXTENSIBLE,
- -1); /* no prototype or class yet */
-
- h = duk_require_hobject(ctx, -1);
- DUK_ASSERT(h != NULL);
}
+ h = duk_known_hobject(ctx, -1);
DUK_HOBJECT_SET_CLASS_NUMBER(h, class_num);
if (i < DUK_NUM_BUILTINS) {
@@ -53710,31 +56638,28 @@ DUK_INTERNAL void duk_hthread_create_builtin_objects(duk_hthread *thr) {
}
if (len >= 0) {
- /*
- * For top-level objects, 'length' property has the following
- * default attributes: non-writable, non-enumerable, non-configurable
- * (E5 Section 15).
- *
- * However, 'length' property for Array.prototype has attributes
- * expected of an Array instance which are different: writable,
- * non-enumerable, non-configurable (E5 Section 15.4.5.2).
+ /* In ES2015+ built-in function object .length property
+ * has property attributes C (configurable only):
+ * http://www.ecma-international.org/ecma-262/7.0/#sec-ecmascript-standard-built-in-objects
*
- * This is currently determined implicitly based on class; there are
- * no attribute flags in the init data.
+ * Array.prototype remains an Array instance in ES2015+
+ * and its length has attributes W (writable only).
+ * Because .length is now virtual for duk_harray, it is
+ * not encoded explicitly in init data.
*/
+ DUK_ASSERT(class_num != DUK_HOBJECT_CLASS_ARRAY); /* .length is virtual */
duk_push_int(ctx, len);
- duk_xdef_prop_stridx(ctx,
- -2,
- DUK_STRIDX_LENGTH,
- (class_num == DUK_HOBJECT_CLASS_ARRAY ? /* only Array.prototype matches */
- DUK_PROPDESC_FLAGS_W : DUK_PROPDESC_FLAGS_NONE));
+ duk_xdef_prop_stridx_short(ctx,
+ -2,
+ DUK_STRIDX_LENGTH,
+ DUK_PROPDESC_FLAGS_C);
}
/* enable exotic behaviors last */
if (class_num == DUK_HOBJECT_CLASS_ARRAY) {
- DUK_HOBJECT_SET_EXOTIC_ARRAY(h);
+ DUK_ASSERT(DUK_HOBJECT_HAS_EXOTIC_ARRAY(h)); /* set by duk_push_array() */
}
if (class_num == DUK_HOBJECT_CLASS_STRING) {
DUK_HOBJECT_SET_EXOTIC_STRINGOBJ(h);
@@ -53744,13 +56669,13 @@ DUK_INTERNAL void duk_hthread_create_builtin_objects(duk_hthread *thr) {
DUK_ASSERT(DUK_HOBJECT_HAS_EXTENSIBLE(h));
/* DUK_HOBJECT_FLAG_CONSTRUCTABLE varies */
- DUK_ASSERT(!DUK_HOBJECT_HAS_BOUND(h));
- DUK_ASSERT(!DUK_HOBJECT_HAS_COMPILEDFUNCTION(h));
- /* DUK_HOBJECT_FLAG_NATIVEFUNCTION varies */
+ DUK_ASSERT(!DUK_HOBJECT_HAS_BOUNDFUNC(h));
+ DUK_ASSERT(!DUK_HOBJECT_HAS_COMPFUNC(h));
+ /* DUK_HOBJECT_FLAG_NATFUNC varies */
DUK_ASSERT(!DUK_HOBJECT_HAS_THREAD(h));
- DUK_ASSERT(!DUK_HOBJECT_HAS_ARRAY_PART(h)); /* currently, even for Array.prototype */
+ DUK_ASSERT(!DUK_HOBJECT_HAS_ARRAY_PART(h) || class_num == DUK_HOBJECT_CLASS_ARRAY);
/* DUK_HOBJECT_FLAG_STRICT varies */
- DUK_ASSERT(!DUK_HOBJECT_HAS_NATIVEFUNCTION(h) || /* all native functions have NEWENV */
+ DUK_ASSERT(!DUK_HOBJECT_HAS_NATFUNC(h) || /* all native functions have NEWENV */
DUK_HOBJECT_HAS_NEWENV(h));
DUK_ASSERT(!DUK_HOBJECT_HAS_NAMEBINDING(h));
DUK_ASSERT(!DUK_HOBJECT_HAS_CREATEARGS(h));
@@ -53773,42 +56698,44 @@ DUK_INTERNAL void duk_hthread_create_builtin_objects(duk_hthread *thr) {
duk_small_uint_t num;
DUK_DDD(DUK_DDDPRINT("initializing built-in object at index %ld", (long) i));
- h = duk_require_hobject(ctx, i);
- DUK_ASSERT(h != NULL);
+ h = duk_known_hobject(ctx, i);
- t = (duk_small_uint_t) duk_bd_decode(bd, DUK__BIDX_BITS);
- if (t != DUK__NO_BIDX_MARKER) {
+ t = (duk_small_uint_t) duk_bd_decode_varuint(bd);
+ if (t > 0) {
+ t--;
DUK_DDD(DUK_DDDPRINT("set internal prototype: built-in %ld", (long) t));
- DUK_HOBJECT_SET_PROTOTYPE_UPDREF(thr, h, duk_require_hobject(ctx, t));
+ DUK_HOBJECT_SET_PROTOTYPE_UPDREF(thr, h, duk_known_hobject(ctx, t));
}
- t = (duk_small_uint_t) duk_bd_decode(bd, DUK__BIDX_BITS);
- if (t != DUK__NO_BIDX_MARKER) {
+ t = (duk_small_uint_t) duk_bd_decode_varuint(bd);
+ if (t > 0) {
/* 'prototype' property for all built-in objects (which have it) has attributes:
* [[Writable]] = false,
* [[Enumerable]] = false,
* [[Configurable]] = false
*/
+ t--;
DUK_DDD(DUK_DDDPRINT("set external prototype: built-in %ld", (long) t));
duk_xdef_prop_stridx_builtin(ctx, i, DUK_STRIDX_PROTOTYPE, t, DUK_PROPDESC_FLAGS_NONE);
}
- t = (duk_small_uint_t) duk_bd_decode(bd, DUK__BIDX_BITS);
- if (t != DUK__NO_BIDX_MARKER) {
+ t = (duk_small_uint_t) duk_bd_decode_varuint(bd);
+ if (t > 0) {
/* 'constructor' property for all built-in objects (which have it) has attributes:
* [[Writable]] = true,
* [[Enumerable]] = false,
* [[Configurable]] = true
*/
+ t--;
DUK_DDD(DUK_DDDPRINT("set external constructor: built-in %ld", (long) t));
duk_xdef_prop_stridx_builtin(ctx, i, DUK_STRIDX_CONSTRUCTOR, t, DUK_PROPDESC_FLAGS_WC);
}
/* normal valued properties */
- num = (duk_small_uint_t) duk_bd_decode(bd, DUK__NUM_NORMAL_PROPS_BITS);
+ num = (duk_small_uint_t) duk_bd_decode_varuint(bd);
DUK_DDD(DUK_DDDPRINT("built-in object %ld, %ld normal valued properties", (long) i, (long) num));
for (j = 0; j < num; j++) {
- duk_small_uint_t prop_flags;
+ duk_small_uint_t defprop_flags;
duk__push_stridx_or_string(ctx, bd);
@@ -53820,15 +56747,27 @@ DUK_INTERNAL void duk_hthread_create_builtin_objects(duk_hthread *thr) {
*/
if (duk_bd_decode_flag(bd)) {
- prop_flags = (duk_small_uint_t) duk_bd_decode(bd, DUK__PROP_FLAGS_BITS);
+ defprop_flags = (duk_small_uint_t) duk_bd_decode(bd, DUK__PROP_FLAGS_BITS);
} else {
- prop_flags = DUK_PROPDESC_FLAGS_WC;
+ defprop_flags = DUK_PROPDESC_FLAGS_WC;
}
+ defprop_flags |= DUK_DEFPROP_FORCE |
+ DUK_DEFPROP_HAVE_VALUE |
+ DUK_DEFPROP_HAVE_WRITABLE |
+ DUK_DEFPROP_HAVE_ENUMERABLE |
+ DUK_DEFPROP_HAVE_CONFIGURABLE; /* Defaults for data properties. */
+
+ /* The writable, enumerable, configurable flags in prop_flags
+ * match both duk_def_prop() and internal property flags.
+ */
+ DUK_ASSERT(DUK_PROPDESC_FLAG_WRITABLE == DUK_DEFPROP_WRITABLE);
+ DUK_ASSERT(DUK_PROPDESC_FLAG_ENUMERABLE == DUK_DEFPROP_ENUMERABLE);
+ DUK_ASSERT(DUK_PROPDESC_FLAG_CONFIGURABLE == DUK_DEFPROP_CONFIGURABLE);
t = (duk_small_uint_t) duk_bd_decode(bd, DUK__PROP_TYPE_BITS);
DUK_DDD(DUK_DDDPRINT("built-in %ld, normal-valued property %ld, key %!T, flags 0x%02lx, type %ld",
- (long) i, (long) j, duk_get_tval(ctx, -1), (unsigned long) prop_flags, (long) t));
+ (long) i, (long) j, duk_get_tval(ctx, -1), (unsigned long) defprop_flags, (long) t));
switch (t) {
case DUK__PROP_TYPE_DOUBLE: {
@@ -53846,8 +56785,7 @@ DUK_INTERNAL void duk_hthread_create_builtin_objects(duk_hthread *thr) {
case DUK__PROP_TYPE_BUILTIN: {
duk_small_uint_t bidx;
- bidx = (duk_small_uint_t) duk_bd_decode(bd, DUK__BIDX_BITS);
- DUK_ASSERT(bidx != DUK__NO_BIDX_MARKER);
+ bidx = (duk_small_uint_t) duk_bd_decode_varuint(bd);
duk_dup(ctx, (duk_idx_t) bidx);
break;
}
@@ -53864,35 +56802,34 @@ DUK_INTERNAL void duk_hthread_create_builtin_objects(duk_hthread *thr) {
break;
}
case DUK__PROP_TYPE_ACCESSOR: {
- duk_small_uint_t natidx_getter = (duk_small_uint_t) duk_bd_decode(bd, DUK__NATIDX_BITS);
- duk_small_uint_t natidx_setter = (duk_small_uint_t) duk_bd_decode(bd, DUK__NATIDX_BITS);
+ duk_small_uint_t natidx_getter = (duk_small_uint_t) duk_bd_decode_varuint(bd);
+ duk_small_uint_t natidx_setter = (duk_small_uint_t) duk_bd_decode_varuint(bd);
+ duk_small_uint_t accessor_magic = (duk_small_uint_t) duk_bd_decode_varuint(bd);
duk_c_function c_func_getter;
duk_c_function c_func_setter;
- /* XXX: this is a bit awkward because there is no exposed helper
- * in the API style, only this internal helper.
- */
DUK_DDD(DUK_DDDPRINT("built-in accessor property: objidx=%ld, key=%!T, getteridx=%ld, setteridx=%ld, flags=0x%04lx",
- (long) i, duk_get_tval(ctx, -1), (long) natidx_getter, (long) natidx_setter, (unsigned long) prop_flags));
+ (long) i, duk_get_tval(ctx, -1), (long) natidx_getter, (long) natidx_setter, (unsigned long) defprop_flags));
c_func_getter = duk_bi_native_functions[natidx_getter];
+ if (c_func_getter != NULL) {
+ duk_push_c_function_noconstruct_noexotic(ctx, c_func_getter, 0); /* always 0 args */
+ duk_set_magic(ctx, -1, (duk_int_t) accessor_magic);
+ defprop_flags |= DUK_DEFPROP_HAVE_GETTER;
+ }
c_func_setter = duk_bi_native_functions[natidx_setter];
- duk_push_c_function_noconstruct_noexotic(ctx, c_func_getter, 0); /* always 0 args */
- duk_push_c_function_noconstruct_noexotic(ctx, c_func_setter, 1); /* always 1 arg */
-
- /* XXX: magic for getter/setter? use duk_def_prop()? */
+ if (c_func_setter != NULL) {
+ duk_push_c_function_noconstruct_noexotic(ctx, c_func_setter, 1); /* always 1 arg */
+ duk_set_magic(ctx, -1, (duk_int_t) accessor_magic);
+ defprop_flags |= DUK_DEFPROP_HAVE_SETTER;
+ }
- DUK_ASSERT((prop_flags & DUK_PROPDESC_FLAG_WRITABLE) == 0); /* genbuiltins.py ensures */
+ /* Writable flag doesn't make sense for an accessor. */
+ DUK_ASSERT((defprop_flags & DUK_PROPDESC_FLAG_WRITABLE) == 0); /* genbuiltins.py ensures */
- prop_flags |= DUK_PROPDESC_FLAG_ACCESSOR; /* accessor flag not encoded explicitly */
- duk_hobject_define_accessor_internal(thr,
- duk_require_hobject(ctx, i),
- duk_get_hstring(ctx, -3),
- duk_require_hobject(ctx, -2),
- duk_require_hobject(ctx, -1),
- prop_flags);
- duk_pop_3(ctx); /* key, getter and setter, now reachable through object */
- goto skip_value;
+ defprop_flags &= ~(DUK_DEFPROP_HAVE_VALUE | DUK_DEFPROP_HAVE_WRITABLE);
+ defprop_flags |= DUK_DEFPROP_HAVE_ENUMERABLE | DUK_DEFPROP_HAVE_CONFIGURABLE;
+ break;
}
default: {
/* exhaustive */
@@ -53900,15 +56837,12 @@ DUK_INTERNAL void duk_hthread_create_builtin_objects(duk_hthread *thr) {
}
}
- DUK_ASSERT((prop_flags & DUK_PROPDESC_FLAG_ACCESSOR) == 0);
- duk_xdef_prop(ctx, i, prop_flags);
-
- skip_value:
- continue; /* avoid empty label at the end of a compound statement */
+ duk_def_prop(ctx, i, defprop_flags);
+ DUK_ASSERT_TOP(ctx, DUK_NUM_ALL_BUILTINS);
}
/* native function properties */
- num = (duk_small_uint_t) duk_bd_decode(bd, DUK__NUM_FUNC_PROPS_BITS);
+ num = (duk_small_uint_t) duk_bd_decode_varuint(bd);
DUK_DDD(DUK_DDDPRINT("built-in object %ld, %ld function valued properties", (long) i, (long) num));
for (j = 0; j < num; j++) {
duk_hstring *h_key;
@@ -53917,16 +56851,15 @@ DUK_INTERNAL void duk_hthread_create_builtin_objects(duk_hthread *thr) {
duk_small_uint_t c_length;
duk_int16_t magic;
duk_c_function c_func;
- duk_hnativefunction *h_func;
+ duk_hnatfunc *h_func;
#if defined(DUK_USE_LIGHTFUNC_BUILTINS)
duk_small_int_t lightfunc_eligible;
#endif
duk__push_stridx_or_string(ctx, bd);
- h_key = duk_get_hstring(ctx, -1);
- DUK_ASSERT(h_key != NULL);
+ h_key = duk_known_hstring(ctx, -1);
DUK_UNREF(h_key);
- natidx = (duk_small_uint_t) duk_bd_decode(bd, DUK__NATIDX_BITS);
+ natidx = (duk_small_uint_t) duk_bd_decode_varuint(bd);
c_length = (duk_small_uint_t) duk_bd_decode(bd, DUK__LENGTH_PROP_BITS);
c_nargs = (duk_int_t) duk_bd_decode_flagged(bd, DUK__NARGS_BITS, (duk_int32_t) c_length /*def_value*/);
@@ -53941,7 +56874,7 @@ DUK_INTERNAL void duk_hthread_create_builtin_objects(duk_hthread *thr) {
(c_nargs == DUK_VARARGS ? (long) -1 : (long) c_nargs)));
/* Cast converts magic to 16-bit signed value */
- magic = (duk_int16_t) duk_bd_decode_flagged(bd, DUK__MAGIC_BITS, 0);
+ magic = (duk_int16_t) duk_bd_decode_varuint(bd);
#if defined(DUK_USE_LIGHTFUNC_BUILTINS)
lightfunc_eligible =
@@ -53951,8 +56884,7 @@ DUK_INTERNAL void duk_hthread_create_builtin_objects(duk_hthread *thr) {
if (h_key == DUK_HTHREAD_STRING_EVAL(thr) ||
h_key == DUK_HTHREAD_STRING_YIELD(thr) ||
- h_key == DUK_HTHREAD_STRING_RESUME(thr) ||
- h_key == DUK_HTHREAD_STRING_REQUIRE(thr)) {
+ h_key == DUK_HTHREAD_STRING_RESUME(thr)) {
/* These functions have trouble working as lightfuncs.
* Some of them have specific asserts and some may have
* additional properties (e.g. 'require.id' may be written).
@@ -53977,7 +56909,7 @@ DUK_INTERNAL void duk_hthread_create_builtin_objects(duk_hthread *thr) {
/* [ (builtin objects) name ] */
duk_push_c_function_noconstruct_noexotic(ctx, c_func, c_nargs);
- h_func = duk_require_hnativefunction(ctx, -1);
+ h_func = duk_known_hnatfunc(ctx, -1);
DUK_UNREF(h_func);
/* Currently all built-in native functions are strict.
@@ -54001,10 +56933,10 @@ DUK_INTERNAL void duk_hthread_create_builtin_objects(duk_hthread *thr) {
/* [ (builtin objects) name func ] */
duk_push_int(ctx, c_length);
- duk_xdef_prop_stridx(ctx, -2, DUK_STRIDX_LENGTH, DUK_PROPDESC_FLAGS_NONE);
+ duk_xdef_prop_stridx_short(ctx, -2, DUK_STRIDX_LENGTH, DUK_PROPDESC_FLAGS_C);
- duk_dup(ctx, -2);
- duk_xdef_prop_stridx(ctx, -2, DUK_STRIDX_NAME, DUK_PROPDESC_FLAGS_NONE);
+ duk_dup_m2(ctx);
+ duk_xdef_prop_stridx_short(ctx, -2, DUK_STRIDX_NAME, DUK_PROPDESC_FLAGS_C);
/* XXX: other properties of function instances; 'arguments', 'caller'. */
@@ -54045,11 +56977,12 @@ DUK_INTERNAL void duk_hthread_create_builtin_objects(duk_hthread *thr) {
* conditional in init data.
*/
- duk_get_prop_stridx(ctx, DUK_BIDX_DATE_PROTOTYPE, DUK_STRIDX_TO_UTC_STRING);
- duk_xdef_prop_stridx(ctx, DUK_BIDX_DATE_PROTOTYPE, DUK_STRIDX_TO_GMT_STRING, DUK_PROPDESC_FLAGS_WC);
+#if defined(DUK_USE_DATE_BUILTIN)
+ duk_get_prop_stridx_short(ctx, DUK_BIDX_DATE_PROTOTYPE, DUK_STRIDX_TO_UTC_STRING);
+ duk_xdef_prop_stridx_short(ctx, DUK_BIDX_DATE_PROTOTYPE, DUK_STRIDX_TO_GMT_STRING, DUK_PROPDESC_FLAGS_WC);
+#endif
- h = duk_require_hobject(ctx, DUK_BIDX_DOUBLE_ERROR);
- DUK_ASSERT(h != NULL);
+ h = duk_known_hobject(ctx, DUK_BIDX_DOUBLE_ERROR);
DUK_HOBJECT_CLEAR_EXTENSIBLE(h);
#if !defined(DUK_USE_ES6_OBJECT_PROTO_PROPERTY)
@@ -54168,26 +57101,7 @@ DUK_INTERNAL void duk_hthread_create_builtin_objects(duk_hthread *thr) {
DUK_USE_OS_STRING
" "
DUK_USE_COMPILER_STRING);
- duk_xdef_prop_stridx(ctx, DUK_BIDX_DUKTAPE, DUK_STRIDX_ENV, DUK_PROPDESC_FLAGS_WC);
-
- /*
- * InitJS code - Ecmascript code evaluated from a built-in source
- * which provides e.g. backward compatibility. User can also provide
- * JS code to be evaluated at startup.
- */
-
-#ifdef DUK_USE_BUILTIN_INITJS
- /* XXX: compression */
- DUK_DD(DUK_DDPRINT("running built-in initjs"));
- duk_eval_string(ctx, (const char *) duk_initjs_data); /* initjs data is NUL terminated */
- duk_pop(ctx);
-#endif /* DUK_USE_BUILTIN_INITJS */
-
-#ifdef DUK_USE_USER_INITJS
- /* XXX: compression (as an option) */
- DUK_DD(DUK_DDPRINT("running user initjs"));
- duk_eval_string_noresult(ctx, (const char *) DUK_USE_USER_INITJS);
-#endif /* DUK_USE_USER_INITJS */
+ duk_xdef_prop_stridx_short(ctx, DUK_BIDX_DUKTAPE, DUK_STRIDX_ENV, DUK_PROPDESC_FLAGS_WC);
/*
* Since built-ins are not often extended, compact them.
@@ -54195,12 +57109,12 @@ DUK_INTERNAL void duk_hthread_create_builtin_objects(duk_hthread *thr) {
DUK_DD(DUK_DDPRINT("compact built-ins"));
for (i = 0; i < DUK_NUM_ALL_BUILTINS; i++) {
- duk_hobject_compact_props(thr, duk_require_hobject(ctx, i));
+ duk_hobject_compact_props(thr, duk_known_hobject(ctx, i));
}
DUK_D(DUK_DPRINT("INITBUILTINS END"));
-#ifdef DUK_USE_DDPRINT
+#if defined(DUK_USE_DEBUG_LEVEL) && (DUK_USE_DEBUG_LEVEL >= 1)
for (i = 0; i < DUK_NUM_ALL_BUILTINS; i++) {
DUK_DD(DUK_DDPRINT("built-in object %ld after initialization and compacting: %!@iO",
(long) i, (duk_heaphdr *) duk_require_hobject(ctx, i)));
@@ -54226,12 +57140,26 @@ DUK_INTERNAL void duk_hthread_copy_builtin_objects(duk_hthread *thr_from, duk_ht
DUK_HOBJECT_INCREF_ALLOWNULL(thr_to, thr_to->builtins[i]); /* side effect free */
}
}
-#line 1 "duk_hthread_misc.c"
+
+/* automatic undefs */
+#undef DUK__LENGTH_PROP_BITS
+#undef DUK__NARGS_BITS
+#undef DUK__NARGS_VARARGS_MARKER
+#undef DUK__PROP_FLAGS_BITS
+#undef DUK__PROP_TYPE_ACCESSOR
+#undef DUK__PROP_TYPE_BITS
+#undef DUK__PROP_TYPE_BOOLEAN_FALSE
+#undef DUK__PROP_TYPE_BOOLEAN_TRUE
+#undef DUK__PROP_TYPE_BUILTIN
+#undef DUK__PROP_TYPE_DOUBLE
+#undef DUK__PROP_TYPE_STRIDX
+#undef DUK__PROP_TYPE_STRING
+#undef DUK__PROP_TYPE_UNDEFINED
/*
* Thread support.
*/
-/* include removed: duk_internal.h */
+/* #include duk_internal.h -> already included */
DUK_INTERNAL void duk_hthread_terminate(duk_hthread *thr) {
DUK_ASSERT(thr != NULL);
@@ -54281,8 +57209,8 @@ DUK_INTERNAL duk_uint_fast32_t duk_hthread_get_act_curr_pc(duk_hthread *thr, duk
DUK_UNREF(thr);
/* XXX: store 'bcode' pointer to activation for faster lookup? */
- if (act->func && DUK_HOBJECT_IS_COMPILEDFUNCTION(act->func)) {
- bcode = DUK_HCOMPILEDFUNCTION_GET_CODE_BASE(thr->heap, (duk_hcompiledfunction *) (act->func));
+ if (act->func && DUK_HOBJECT_IS_COMPFUNC(act->func)) {
+ bcode = DUK_HCOMPFUNC_GET_CODE_BASE(thr->heap, (duk_hcompfunc *) (act->func));
return (duk_uint_fast32_t) (act->curr_pc - bcode);
}
return 0;
@@ -54297,8 +57225,8 @@ DUK_INTERNAL duk_uint_fast32_t duk_hthread_get_act_prev_pc(duk_hthread *thr, duk
DUK_ASSERT(act != NULL);
DUK_UNREF(thr);
- if (act->func && DUK_HOBJECT_IS_COMPILEDFUNCTION(act->func)) {
- bcode = DUK_HCOMPILEDFUNCTION_GET_CODE_BASE(thr->heap, (duk_hcompiledfunction *) (act->func));
+ if (act->func && DUK_HOBJECT_IS_COMPFUNC(act->func)) {
+ bcode = DUK_HCOMPFUNC_GET_CODE_BASE(thr->heap, (duk_hcompfunc *) (act->func));
ret = (duk_uint_fast32_t) (act->curr_pc - bcode);
if (ret > 0) {
ret--;
@@ -54335,7 +57263,6 @@ DUK_INTERNAL void duk_hthread_sync_and_null_currpc(duk_hthread *thr) {
thr->ptr_curr_pc = NULL;
}
}
-#line 1 "duk_hthread_stacks.c"
/*
* Manipulation of thread stacks (valstack, callstack, catchstack).
*
@@ -54358,7 +57285,7 @@ DUK_INTERNAL void duk_hthread_sync_and_null_currpc(duk_hthread *thr) {
* Value stack handling is mostly a part of the API implementation.
*/
-/* include removed: duk_internal.h */
+/* #include duk_internal.h -> already included */
/* check that there is space for at least one new entry */
DUK_INTERNAL void duk_hthread_callstack_grow(duk_hthread *thr) {
@@ -54393,7 +57320,7 @@ DUK_INTERNAL void duk_hthread_callstack_grow(duk_hthread *thr) {
new_ptr = (duk_activation *) DUK_REALLOC_INDIRECT(thr->heap, duk_hthread_get_callstack_ptr, (void *) thr, sizeof(duk_activation) * new_size);
if (!new_ptr) {
/* No need for a NULL/zero-size check because new_size > 0) */
- DUK_ERROR_ALLOC_DEFMSG(thr);
+ DUK_ERROR_ALLOC_FAILED(thr);
}
thr->callstack = new_ptr;
thr->callstack_size = new_size;
@@ -54468,10 +57395,10 @@ DUK_INTERNAL void duk_hthread_callstack_unwind(duk_hthread *thr, duk_size_t new_
while (idx > new_top) {
duk_activation *act;
duk_hobject *func;
-#ifdef DUK_USE_REFERENCE_COUNTING
+#if defined(DUK_USE_REFERENCE_COUNTING)
duk_hobject *tmp;
#endif
-#ifdef DUK_USE_DEBUGGER_SUPPORT
+#if defined(DUK_USE_DEBUGGER_SUPPORT)
duk_heap *heap;
#endif
@@ -54482,7 +57409,7 @@ DUK_INTERNAL void duk_hthread_callstack_unwind(duk_hthread *thr, duk_size_t new_
act = thr->callstack + idx;
/* With lightfuncs, act 'func' may be NULL */
-#ifdef DUK_USE_NONSTD_FUNC_CALLER_PROPERTY
+#if defined(DUK_USE_NONSTD_FUNC_CALLER_PROPERTY)
/*
* Restore 'caller' property for non-strict callee functions.
*/
@@ -54615,20 +57542,20 @@ DUK_INTERNAL void duk_hthread_callstack_unwind(duk_hthread *thr, duk_size_t new_
* However, the pointers are NULL so this is not an issue.
*/
-#ifdef DUK_USE_REFERENCE_COUNTING
+#if defined(DUK_USE_REFERENCE_COUNTING)
tmp = act->var_env;
#endif
act->var_env = NULL;
-#ifdef DUK_USE_REFERENCE_COUNTING
+#if defined(DUK_USE_REFERENCE_COUNTING)
DUK_HOBJECT_DECREF_ALLOWNULL(thr, tmp);
act = thr->callstack + idx; /* avoid side effect issues */
#endif
-#ifdef DUK_USE_REFERENCE_COUNTING
+#if defined(DUK_USE_REFERENCE_COUNTING)
tmp = act->lex_env;
#endif
act->lex_env = NULL;
-#ifdef DUK_USE_REFERENCE_COUNTING
+#if defined(DUK_USE_REFERENCE_COUNTING)
DUK_HOBJECT_DECREF_ALLOWNULL(thr, tmp);
act = thr->callstack + idx; /* avoid side effect issues */
#endif
@@ -54636,11 +57563,11 @@ DUK_INTERNAL void duk_hthread_callstack_unwind(duk_hthread *thr, duk_size_t new_
/* Note: this may cause a corner case situation where a finalizer
* may see a currently reachable activation whose 'func' is NULL.
*/
-#ifdef DUK_USE_REFERENCE_COUNTING
+#if defined(DUK_USE_REFERENCE_COUNTING)
tmp = DUK_ACT_GET_FUNC(act);
#endif
act->func = NULL;
-#ifdef DUK_USE_REFERENCE_COUNTING
+#if defined(DUK_USE_REFERENCE_COUNTING)
DUK_HOBJECT_DECREF_ALLOWNULL(thr, tmp);
act = thr->callstack + idx; /* avoid side effect issues */
DUK_UNREF(act);
@@ -54698,7 +57625,7 @@ DUK_INTERNAL void duk_hthread_catchstack_grow(duk_hthread *thr) {
new_ptr = (duk_catcher *) DUK_REALLOC_INDIRECT(thr->heap, duk_hthread_get_catchstack_ptr, (void *) thr, sizeof(duk_catcher) * new_size);
if (!new_ptr) {
/* No need for a NULL/zero-size check because new_size > 0) */
- DUK_ERROR_ALLOC_DEFMSG(thr);
+ DUK_ERROR_ALLOC_FAILED(thr);
}
thr->catchstack = new_ptr;
thr->catchstack_size = new_size;
@@ -54812,7 +57739,143 @@ DUK_INTERNAL void duk_hthread_catchstack_unwind(duk_hthread *thr, duk_size_t new
/* note: any entries above the catchstack top are garbage and not zeroed */
}
-#line 1 "duk_js_call.c"
+/*
+ * Shared helpers for arithmetic operations
+ */
+
+/* #include duk_internal.h -> already included */
+
+/* Ecmascript modulus ('%') does not match IEEE 754 "remainder" operation
+ * (implemented by remainder() in C99) but does seem to match ANSI C fmod().
+ * Compare E5 Section 11.5.3 and "man fmod".
+ */
+DUK_INTERNAL double duk_js_arith_mod(double d1, double d2) {
+#if defined(DUK_USE_POW_WORKAROUNDS)
+ /* Specific fixes to common fmod() implementation issues:
+ * - test-bug-mingw-math-issues.js
+ */
+ if (DUK_ISINF(d2)) {
+ if (DUK_ISINF(d1)) {
+ return DUK_DOUBLE_NAN;
+ } else {
+ return d1;
+ }
+ } else if (d1 == 0.0) {
+ /* d1 +/-0 is returned as is (preserving sign) except when
+ * d2 is zero or NaN.
+ */
+ if (d2 == 0.0 || DUK_ISNAN(d2)) {
+ return DUK_DOUBLE_NAN;
+ } else {
+ return d1;
+ }
+ }
+#else
+ /* Some ISO C assumptions. */
+ DUK_ASSERT(DUK_FMOD(1.0, DUK_DOUBLE_INFINITY) == 1.0);
+ DUK_ASSERT(DUK_FMOD(-1.0, DUK_DOUBLE_INFINITY) == -1.0);
+ DUK_ASSERT(DUK_FMOD(1.0, -DUK_DOUBLE_INFINITY) == 1.0);
+ DUK_ASSERT(DUK_FMOD(-1.0, -DUK_DOUBLE_INFINITY) == -1.0);
+ DUK_ASSERT(DUK_ISNAN(DUK_FMOD(DUK_DOUBLE_INFINITY, DUK_DOUBLE_INFINITY)));
+ DUK_ASSERT(DUK_ISNAN(DUK_FMOD(DUK_DOUBLE_INFINITY, -DUK_DOUBLE_INFINITY)));
+ DUK_ASSERT(DUK_ISNAN(DUK_FMOD(-DUK_DOUBLE_INFINITY, DUK_DOUBLE_INFINITY)));
+ DUK_ASSERT(DUK_ISNAN(DUK_FMOD(-DUK_DOUBLE_INFINITY, -DUK_DOUBLE_INFINITY)));
+ DUK_ASSERT(DUK_FMOD(0.0, 1.0) == 0.0 && DUK_SIGNBIT(DUK_FMOD(0.0, 1.0)) == 0);
+ DUK_ASSERT(DUK_FMOD(-0.0, 1.0) == 0.0 && DUK_SIGNBIT(DUK_FMOD(-0.0, 1.0)) != 0);
+ DUK_ASSERT(DUK_FMOD(0.0, DUK_DOUBLE_INFINITY) == 0.0 && DUK_SIGNBIT(DUK_FMOD(0.0, DUK_DOUBLE_INFINITY)) == 0);
+ DUK_ASSERT(DUK_FMOD(-0.0, DUK_DOUBLE_INFINITY) == 0.0 && DUK_SIGNBIT(DUK_FMOD(-0.0, DUK_DOUBLE_INFINITY)) != 0);
+ DUK_ASSERT(DUK_FMOD(0.0, -DUK_DOUBLE_INFINITY) == 0.0 && DUK_SIGNBIT(DUK_FMOD(0.0, DUK_DOUBLE_INFINITY)) == 0);
+ DUK_ASSERT(DUK_FMOD(-0.0, -DUK_DOUBLE_INFINITY) == 0.0 && DUK_SIGNBIT(DUK_FMOD(-0.0, -DUK_DOUBLE_INFINITY)) != 0);
+ DUK_ASSERT(DUK_ISNAN(DUK_FMOD(0.0, 0.0)));
+ DUK_ASSERT(DUK_ISNAN(DUK_FMOD(-0.0, 0.0)));
+ DUK_ASSERT(DUK_ISNAN(DUK_FMOD(0.0, -0.0)));
+ DUK_ASSERT(DUK_ISNAN(DUK_FMOD(-0.0, -0.0)));
+ DUK_ASSERT(DUK_ISNAN(DUK_FMOD(0.0, DUK_DOUBLE_NAN)));
+ DUK_ASSERT(DUK_ISNAN(DUK_FMOD(-0.0, DUK_DOUBLE_NAN)));
+#endif
+
+ return (duk_double_t) DUK_FMOD((double) d1, (double) d2);
+}
+
+/* Shared helper for Math.pow() and exponentiation operator. */
+DUK_INTERNAL double duk_js_arith_pow(double x, double y) {
+ /* The ANSI C pow() semantics differ from Ecmascript.
+ *
+ * E.g. when x==1 and y is +/- infinite, the Ecmascript required
+ * result is NaN, while at least Linux pow() returns 1.
+ */
+
+ duk_small_int_t cx, cy, sx;
+
+ DUK_UNREF(cx);
+ DUK_UNREF(sx);
+ cy = (duk_small_int_t) DUK_FPCLASSIFY(y);
+
+ if (cy == DUK_FP_NAN) {
+ goto ret_nan;
+ }
+ if (DUK_FABS(x) == 1.0 && cy == DUK_FP_INFINITE) {
+ goto ret_nan;
+ }
+
+#if defined(DUK_USE_POW_WORKAROUNDS)
+ /* Specific fixes to common pow() implementation issues:
+ * - test-bug-netbsd-math-pow.js: NetBSD 6.0 on x86 (at least)
+ * - test-bug-mingw-math-issues.js
+ */
+ cx = (duk_small_int_t) DUK_FPCLASSIFY(x);
+ if (cx == DUK_FP_ZERO && y < 0.0) {
+ sx = (duk_small_int_t) DUK_SIGNBIT(x);
+ if (sx == 0) {
+ /* Math.pow(+0,y) should be Infinity when y<0. NetBSD pow()
+ * returns -Infinity instead when y is <0 and finite. The
+ * if-clause also catches y == -Infinity (which works even
+ * without the fix).
+ */
+ return DUK_DOUBLE_INFINITY;
+ } else {
+ /* Math.pow(-0,y) where y<0 should be:
+ * - -Infinity if y<0 and an odd integer
+ * - Infinity if y<0 but not an odd integer
+ * NetBSD pow() returns -Infinity for all finite y<0. The
+ * if-clause also catches y == -Infinity (which works even
+ * without the fix).
+ */
+
+ /* fmod() return value has same sign as input (negative) so
+ * the result here will be in the range ]-2,0], -1 indicates
+ * odd. If x is -Infinity, NaN is returned and the odd check
+ * always concludes "not odd" which results in desired outcome.
+ */
+ double tmp = DUK_FMOD(y, 2);
+ if (tmp == -1.0) {
+ return -DUK_DOUBLE_INFINITY;
+ } else {
+ /* Not odd, or y == -Infinity */
+ return DUK_DOUBLE_INFINITY;
+ }
+ }
+ } else if (cx == DUK_FP_NAN) {
+ if (y == 0.0) {
+ /* NaN ** +/- 0 should always be 1, but is NaN on
+ * at least some Cygwin/MinGW versions.
+ */
+ return 1.0;
+ }
+ }
+#else
+ /* Some ISO C assumptions. */
+ DUK_ASSERT(DUK_POW(DUK_DOUBLE_NAN, 0.0) == 1.0);
+ DUK_ASSERT(DUK_ISINF(DUK_POW(0.0, -1.0)) && DUK_SIGNBIT(DUK_POW(0.0, -1.0)) == 0);
+ DUK_ASSERT(DUK_ISINF(DUK_POW(-0.0, -2.0)) && DUK_SIGNBIT(DUK_POW(-0.0, -2.0)) == 0);
+ DUK_ASSERT(DUK_ISINF(DUK_POW(-0.0, -3.0)) && DUK_SIGNBIT(DUK_POW(-0.0, -3.0)) != 0);
+#endif
+
+ return DUK_POW(x, y);
+
+ ret_nan:
+ return DUK_DOUBLE_NAN;
+}
/*
* Call handling.
*
@@ -54834,7 +57897,7 @@ DUK_INTERNAL void duk_hthread_catchstack_unwind(duk_hthread *thr, duk_size_t new
* call are not guaranteed to keep their value.
*/
-/* include removed: duk_internal.h */
+/* #include duk_internal.h -> already included */
/*
* Forward declarations.
@@ -54857,6 +57920,7 @@ DUK_LOCAL void duk__handle_call_error(duk_hthread *thr,
duk_jmpbuf *old_jmpbuf_ptr);
DUK_LOCAL void duk__handle_safe_call_inner(duk_hthread *thr,
duk_safe_call_function func,
+ void *udata,
duk_idx_t idx_retbase,
duk_idx_t num_stack_rets,
duk_size_t entry_valstack_bottom_index,
@@ -54956,15 +58020,20 @@ DUK_LOCAL void duk__create_arguments_object(duk_hthread *thr,
DUK_ASSERT(i_argbase >= 0);
duk_push_hobject(ctx, func);
- duk_get_prop_stridx(ctx, -1, DUK_STRIDX_INT_FORMALS);
+ duk_get_prop_stridx_short(ctx, -1, DUK_STRIDX_INT_FORMALS);
formals = duk_get_hobject(ctx, -1);
- n_formals = 0;
if (formals) {
- duk_get_prop_stridx(ctx, -1, DUK_STRIDX_LENGTH);
- n_formals = (duk_idx_t) duk_require_int(ctx, -1);
- duk_pop(ctx);
+ n_formals = (duk_idx_t) duk_get_length(ctx, -1);
+ } else {
+ /* This shouldn't happen without tampering of internal
+ * properties: if a function accesses 'arguments', _Formals
+ * is kept. Check for the case anyway in case internal
+ * properties have been modified manually.
+ */
+ DUK_D(DUK_DPRINT("_Formals is undefined when creating arguments, use n_formals == 0"));
+ n_formals = 0;
}
- duk_remove(ctx, -2); /* leave formals on stack for later use */
+ duk_remove_m2(ctx); /* leave formals on stack for later use */
i_formals = duk_require_top_index(ctx);
DUK_ASSERT(n_formals >= 0);
@@ -54983,26 +58052,23 @@ DUK_LOCAL void duk__create_arguments_object(duk_hthread *thr,
* - 'mappedNames' object: temporary value used during construction
*/
- i_arg = duk_push_object_helper(ctx,
- DUK_HOBJECT_FLAG_EXTENSIBLE |
- DUK_HOBJECT_FLAG_ARRAY_PART |
- DUK_HOBJECT_CLASS_AS_FLAGS(DUK_HOBJECT_CLASS_ARGUMENTS),
- DUK_BIDX_OBJECT_PROTOTYPE);
- DUK_ASSERT(i_arg >= 0);
- arg = duk_require_hobject(ctx, -1);
+ arg = duk_push_object_helper(ctx,
+ DUK_HOBJECT_FLAG_EXTENSIBLE |
+ DUK_HOBJECT_FLAG_ARRAY_PART |
+ DUK_HOBJECT_CLASS_AS_FLAGS(DUK_HOBJECT_CLASS_ARGUMENTS),
+ DUK_BIDX_OBJECT_PROTOTYPE);
DUK_ASSERT(arg != NULL);
-
- i_map = duk_push_object_helper(ctx,
- DUK_HOBJECT_FLAG_EXTENSIBLE |
- DUK_HOBJECT_CLASS_AS_FLAGS(DUK_HOBJECT_CLASS_OBJECT),
- -1); /* no prototype */
- DUK_ASSERT(i_map >= 0);
-
- i_mappednames = duk_push_object_helper(ctx,
- DUK_HOBJECT_FLAG_EXTENSIBLE |
- DUK_HOBJECT_CLASS_AS_FLAGS(DUK_HOBJECT_CLASS_OBJECT),
- -1); /* no prototype */
- DUK_ASSERT(i_mappednames >= 0);
+ (void) duk_push_object_helper(ctx,
+ DUK_HOBJECT_FLAG_EXTENSIBLE |
+ DUK_HOBJECT_CLASS_AS_FLAGS(DUK_HOBJECT_CLASS_OBJECT),
+ -1); /* no prototype */
+ (void) duk_push_object_helper(ctx,
+ DUK_HOBJECT_FLAG_EXTENSIBLE |
+ DUK_HOBJECT_CLASS_AS_FLAGS(DUK_HOBJECT_CLASS_OBJECT),
+ -1); /* no prototype */
+ i_arg = duk_get_top(ctx) - 3;
+ i_map = i_arg + 1;
+ i_mappednames = i_arg + 2;
/* [ ... formals arguments map mappedNames ] */
@@ -55046,7 +58112,7 @@ DUK_LOCAL void duk__create_arguments_object(duk_hthread *thr,
duk_get_prop_index(ctx, i_formals, idx);
DUK_ASSERT(duk_is_string(ctx, -1));
- duk_dup(ctx, -1); /* [ ... name name ] */
+ duk_dup_top(ctx); /* [ ... name name ] */
if (!duk_has_prop(ctx, i_mappednames)) {
/* steps 11.c.ii.1 - 11.c.ii.4, but our internal book-keeping
@@ -55060,15 +58126,14 @@ DUK_LOCAL void duk__create_arguments_object(duk_hthread *thr,
DUK_DDD(DUK_DDDPRINT("set mappednames[%s]=%ld",
(const char *) duk_get_string(ctx, -1),
(long) idx));
- duk_dup(ctx, -1); /* name */
- duk_push_uint(ctx, (duk_uint_t) idx); /* index */
- duk_to_string(ctx, -1);
+ duk_dup_top(ctx); /* name */
+ (void) duk_push_uint_to_hstring(ctx, (duk_uint_t) idx); /* index */
duk_xdef_prop_wec(ctx, i_mappednames); /* out of spec, must be configurable */
DUK_DDD(DUK_DDDPRINT("set map[%ld]=%s",
(long) idx,
duk_get_string(ctx, -1)));
- duk_dup(ctx, -1); /* name */
+ duk_dup_top(ctx); /* name */
duk_xdef_prop_index_wec(ctx, i_map, (duk_uarridx_t) idx); /* out of spec, must be configurable */
} else {
/* duk_has_prop() popped the second 'name' */
@@ -55123,8 +58188,8 @@ DUK_LOCAL void duk__create_arguments_object(duk_hthread *thr,
DUK_DDD(DUK_DDDPRINT("strict function, setting caller/callee to throwers"));
- duk_xdef_prop_stridx_thrower(ctx, i_arg, DUK_STRIDX_CALLER, DUK_PROPDESC_FLAGS_NONE);
- duk_xdef_prop_stridx_thrower(ctx, i_arg, DUK_STRIDX_CALLEE, DUK_PROPDESC_FLAGS_NONE);
+ duk_xdef_prop_stridx_thrower(ctx, i_arg, DUK_STRIDX_CALLER);
+ duk_xdef_prop_stridx_thrower(ctx, i_arg, DUK_STRIDX_CALLEE);
} else {
DUK_DDD(DUK_DDDPRINT("non-strict function, setting callee to actual value"));
duk_push_hobject(ctx, func);
@@ -55163,7 +58228,7 @@ DUK_LOCAL void duk__create_arguments_object(duk_hthread *thr,
/* [ args(n) [crud] formals arguments map mappednames ] */
duk_pop_2(ctx);
- duk_remove(ctx, -2);
+ duk_remove_m2(ctx);
/* [ args [crud] arguments ] */
}
@@ -55196,11 +58261,11 @@ DUK_LOCAL void duk__handle_createargs_for_call(duk_hthread *thr,
/* [ ... arg1 ... argN envobj argobj ] */
- duk_xdef_prop_stridx(ctx,
- -2,
- DUK_STRIDX_LC_ARGUMENTS,
- DUK_HOBJECT_HAS_STRICT(func) ? DUK_PROPDESC_FLAGS_E : /* strict: non-deletable, non-writable */
- DUK_PROPDESC_FLAGS_WE); /* non-strict: non-deletable, writable */
+ duk_xdef_prop_stridx_short(ctx,
+ -2,
+ DUK_STRIDX_LC_ARGUMENTS,
+ DUK_HOBJECT_HAS_STRICT(func) ? DUK_PROPDESC_FLAGS_E : /* strict: non-deletable, non-writable */
+ DUK_PROPDESC_FLAGS_WE); /* non-strict: non-deletable, writable */
/* [ ... arg1 ... argN envobj ] */
}
@@ -55249,7 +58314,7 @@ DUK_LOCAL void duk__handle_bound_chain_for_call(duk_hthread *thr,
break;
} else if (DUK_TVAL_IS_OBJECT(tv_func)) {
func = DUK_TVAL_GET_OBJECT(tv_func);
- if (!DUK_HOBJECT_HAS_BOUND(func)) {
+ if (!DUK_HOBJECT_HAS_BOUNDFUNC(func)) {
/* Normal non-bound function. */
break;
}
@@ -55257,7 +58322,7 @@ DUK_LOCAL void duk__handle_bound_chain_for_call(duk_hthread *thr,
/* Function.prototype.bind() should never let this happen,
* ugly error message is enough.
*/
- DUK_ERROR_INTERNAL_DEFMSG(thr);
+ DUK_ERROR_INTERNAL(thr);
}
DUK_ASSERT(DUK_TVAL_GET_OBJECT(tv_func) != NULL);
@@ -55283,7 +58348,7 @@ DUK_LOCAL void duk__handle_bound_chain_for_call(duk_hthread *thr,
/* XXX: duk_get_length? */
duk_get_prop_stridx(ctx, idx_func, DUK_STRIDX_INT_ARGS); /* -> [ ... func this arg1 ... argN _Args ] */
- duk_get_prop_stridx(ctx, -1, DUK_STRIDX_LENGTH); /* -> [ ... func this arg1 ... argN _Args length ] */
+ duk_get_prop_stridx_short(ctx, -1, DUK_STRIDX_LENGTH); /* -> [ ... func this arg1 ... argN _Args length ] */
len = (duk_idx_t) duk_require_int(ctx, -1);
duk_pop(ctx);
for (i = 0; i < len; i++) {
@@ -55320,9 +58385,9 @@ DUK_LOCAL void duk__handle_bound_chain_for_call(duk_hthread *thr,
if (DUK_TVAL_IS_OBJECT(tv_func)) {
func = DUK_TVAL_GET_OBJECT(tv_func);
DUK_ASSERT(func != NULL);
- DUK_ASSERT(!DUK_HOBJECT_HAS_BOUND(func));
- DUK_ASSERT(DUK_HOBJECT_HAS_COMPILEDFUNCTION(func) ||
- DUK_HOBJECT_HAS_NATIVEFUNCTION(func));
+ DUK_ASSERT(!DUK_HOBJECT_HAS_BOUNDFUNC(func));
+ DUK_ASSERT(DUK_HOBJECT_HAS_COMPFUNC(func) ||
+ DUK_HOBJECT_HAS_NATFUNC(func));
}
#endif
@@ -55338,35 +58403,27 @@ DUK_LOCAL void duk__handle_bound_chain_for_call(duk_hthread *thr,
DUK_LOCAL void duk__handle_oldenv_for_call(duk_hthread *thr,
duk_hobject *func,
duk_activation *act) {
- duk_tval *tv;
+ duk_hcompfunc *f;
+ duk_hobject *h_lex;
+ duk_hobject *h_var;
DUK_ASSERT(thr != NULL);
DUK_ASSERT(func != NULL);
DUK_ASSERT(act != NULL);
DUK_ASSERT(!DUK_HOBJECT_HAS_NEWENV(func));
DUK_ASSERT(!DUK_HOBJECT_HAS_CREATEARGS(func));
+ DUK_ASSERT(DUK_HOBJECT_IS_COMPFUNC(func));
+ DUK_UNREF(thr);
- tv = duk_hobject_find_existing_entry_tval_ptr(thr->heap, func, DUK_HTHREAD_STRING_INT_LEXENV(thr));
- if (tv) {
- DUK_ASSERT(DUK_TVAL_IS_OBJECT(tv));
- DUK_ASSERT(DUK_HOBJECT_IS_ENV(DUK_TVAL_GET_OBJECT(tv)));
- act->lex_env = DUK_TVAL_GET_OBJECT(tv);
-
- tv = duk_hobject_find_existing_entry_tval_ptr(thr->heap, func, DUK_HTHREAD_STRING_INT_VARENV(thr));
- if (tv) {
- DUK_ASSERT(DUK_TVAL_IS_OBJECT(tv));
- DUK_ASSERT(DUK_HOBJECT_IS_ENV(DUK_TVAL_GET_OBJECT(tv)));
- act->var_env = DUK_TVAL_GET_OBJECT(tv);
- } else {
- act->var_env = act->lex_env;
- }
- } else {
- act->lex_env = thr->builtins[DUK_BIDX_GLOBAL_ENV];
- act->var_env = act->lex_env;
- }
-
- DUK_HOBJECT_INCREF_ALLOWNULL(thr, act->lex_env);
- DUK_HOBJECT_INCREF_ALLOWNULL(thr, act->var_env);
+ f = (duk_hcompfunc *) func;
+ h_lex = DUK_HCOMPFUNC_GET_LEXENV(thr->heap, f);
+ h_var = DUK_HCOMPFUNC_GET_VARENV(thr->heap, f);
+ DUK_ASSERT(h_lex != NULL); /* Always true for closures (not for templates) */
+ DUK_ASSERT(h_var != NULL);
+ act->lex_env = h_lex;
+ act->var_env = h_var;
+ DUK_HOBJECT_INCREF(thr, h_lex);
+ DUK_HOBJECT_INCREF(thr, h_var);
}
/*
@@ -55382,7 +58439,7 @@ DUK_LOCAL void duk__update_func_caller_prop(duk_hthread *thr, duk_hobject *func)
DUK_ASSERT(thr != NULL);
DUK_ASSERT(func != NULL);
- DUK_ASSERT(!DUK_HOBJECT_HAS_BOUND(func)); /* bound chain resolved */
+ DUK_ASSERT(!DUK_HOBJECT_HAS_BOUNDFUNC(func)); /* bound chain resolved */
DUK_ASSERT(thr->callstack_top >= 1);
if (DUK_HOBJECT_HAS_STRICT(func)) {
@@ -55494,7 +58551,6 @@ DUK_LOCAL void duk__coerce_effective_this_binding(duk_hthread *thr,
tv_this = thr->valstack_bottom + idx_this;
switch (DUK_TVAL_GET_TAG(tv_this)) {
case DUK_TAG_OBJECT:
- case DUK_TAG_LIGHTFUNC: /* lightfuncs are treated like objects and not coerced */
DUK_DDD(DUK_DDDPRINT("this binding: non-strict, object -> use directly"));
break;
case DUK_TAG_UNDEFINED:
@@ -55516,6 +58572,11 @@ DUK_LOCAL void duk__coerce_effective_this_binding(duk_hthread *thr,
}
break;
default:
+ /* Plain buffers and lightfuncs are object coerced. Lightfuncs
+ * very rarely come here however, because the call target would
+ * need to be a strict non-lightfunc (lightfuncs are considered
+ * strict) with an explicit lightfunc 'this' binding.
+ */
DUK_ASSERT(!DUK_TVAL_IS_UNUSED(tv_this));
DUK_DDD(DUK_DDDPRINT("this binding: non-strict, not object/undefined/null -> use ToObject(value)"));
duk_to_object(ctx, idx_this); /* may have side effects */
@@ -55548,7 +58609,7 @@ DUK_LOCAL duk_hobject *duk__nonbound_func_lookup(duk_context *ctx,
if (!DUK_HOBJECT_IS_CALLABLE(func)) {
goto not_callable_error;
}
- if (DUK_HOBJECT_HAS_BOUND(func)) {
+ if (DUK_HOBJECT_HAS_BOUNDFUNC(func)) {
duk__handle_bound_chain_for_call(thr, idx_func, out_num_stack_args, call_flags & DUK_CALL_FLAG_CONSTRUCTOR_CALL);
/* The final object may be a normal function or a lightfunc.
@@ -55570,9 +58631,9 @@ DUK_LOCAL duk_hobject *duk__nonbound_func_lookup(duk_context *ctx,
DUK_ASSERT((DUK_TVAL_IS_OBJECT(tv_func) && DUK_HOBJECT_IS_CALLABLE(DUK_TVAL_GET_OBJECT(tv_func))) ||
DUK_TVAL_IS_LIGHTFUNC(tv_func));
- DUK_ASSERT(func == NULL || !DUK_HOBJECT_HAS_BOUND(func));
- DUK_ASSERT(func == NULL || (DUK_HOBJECT_IS_COMPILEDFUNCTION(func) ||
- DUK_HOBJECT_IS_NATIVEFUNCTION(func)));
+ DUK_ASSERT(func == NULL || !DUK_HOBJECT_HAS_BOUNDFUNC(func));
+ DUK_ASSERT(func == NULL || (DUK_HOBJECT_IS_COMPFUNC(func) ||
+ DUK_HOBJECT_IS_NATFUNC(func)));
*out_tv_func = tv_func;
return func;
@@ -55615,7 +58676,7 @@ DUK_LOCAL void duk__adjust_valstack_and_top(duk_hthread *thr,
/* 'func' wants stack "as is" */
vs_min_size += num_stack_args; /* num entries of new func at entry */
}
- if (func == NULL || DUK_HOBJECT_IS_NATIVEFUNCTION(func)) {
+ if (func == NULL || DUK_HOBJECT_IS_NATFUNC(func)) {
vs_min_size += DUK_VALSTACK_API_ENTRY_MINIMUM; /* Duktape/C API guaranteed entries (on top of args) */
}
vs_min_size += DUK_VALSTACK_INTERNAL_EXTRA; /* + spare */
@@ -55749,7 +58810,7 @@ DUK_LOCAL duk_idx_t duk__get_idx_func(duk_hthread *thr, duk_idx_t num_stack_args
* here. Invoke the existing setjmp catcher, or if it doesn't exist,
* call the fatal error handler.
*/
- DUK_ERROR_API(thr, DUK_STR_INVALID_CALL_ARGS);
+ DUK_ERROR_TYPE_INVALID_ARGS(thr);
return 0;
}
idx_func = (duk_idx_t) ((off_stack_top - off_stack_all) / sizeof(duk_tval));
@@ -55918,7 +58979,7 @@ DUK_INTERNAL duk_int_t duk_handle_call_protected(duk_hthread *thr,
}
DUK_D(DUK_DPRINT("unexpected c++ std::exception (perhaps thrown by user code)"));
try {
- DUK_ERROR_FMT1(thr, DUK_ERR_API_ERROR, "caught invalid c++ std::exception '%s' (perhaps thrown by user code)", what);
+ DUK_ERROR_FMT1(thr, DUK_ERR_TYPE_ERROR, "caught invalid c++ std::exception '%s' (perhaps thrown by user code)", what);
} catch (duk_internal_exception exc) {
DUK_D(DUK_DPRINT("caught api error thrown from unexpected c++ std::exception"));
DUK_UNREF(exc);
@@ -55938,7 +58999,7 @@ DUK_INTERNAL duk_int_t duk_handle_call_protected(duk_hthread *thr,
} catch (...) {
DUK_D(DUK_DPRINT("unexpected c++ exception (perhaps thrown by user code)"));
try {
- DUK_ERROR_API(thr, "caught invalid c++ exception (perhaps thrown by user code)");
+ DUK_ERROR_TYPE(thr, "caught invalid c++ exception (perhaps thrown by user code)");
} catch (duk_internal_exception exc) {
DUK_D(DUK_DPRINT("caught api error thrown from unexpected c++ exception"));
DUK_UNREF(exc);
@@ -56124,9 +59185,9 @@ DUK_LOCAL void duk__handle_call_inner(duk_hthread *thr,
DUK_TVAL_SET_TVAL(&tv_func_copy, tv_func);
tv_func = &tv_func_copy; /* local copy to avoid relookups */
- DUK_ASSERT(func == NULL || !DUK_HOBJECT_HAS_BOUND(func));
- DUK_ASSERT(func == NULL || (DUK_HOBJECT_IS_COMPILEDFUNCTION(func) ||
- DUK_HOBJECT_IS_NATIVEFUNCTION(func)));
+ DUK_ASSERT(func == NULL || !DUK_HOBJECT_HAS_BOUNDFUNC(func));
+ DUK_ASSERT(func == NULL || (DUK_HOBJECT_IS_COMPFUNC(func) ||
+ DUK_HOBJECT_IS_NATFUNC(func)));
duk__coerce_effective_this_binding(thr, func, idx_func + 1);
DUK_DDD(DUK_DDDPRINT("effective 'this' binding is: %!T",
@@ -56162,7 +59223,7 @@ DUK_LOCAL void duk__handle_call_inner(duk_hthread *thr,
thr->callstack_top++;
DUK_ASSERT(thr->callstack_top <= thr->callstack_size);
DUK_ASSERT(thr->valstack_top > thr->valstack_bottom); /* at least effective 'this' */
- DUK_ASSERT(func == NULL || !DUK_HOBJECT_HAS_BOUND(func));
+ DUK_ASSERT(func == NULL || !DUK_HOBJECT_HAS_BOUNDFUNC(func));
act->flags = 0;
@@ -56187,20 +59248,20 @@ DUK_LOCAL void duk__handle_call_inner(duk_hthread *thr,
if (DUK_HOBJECT_HAS_STRICT(func)) {
act->flags |= DUK_ACT_FLAG_STRICT;
}
- if (DUK_HOBJECT_IS_COMPILEDFUNCTION(func)) {
- nargs = ((duk_hcompiledfunction *) func)->nargs;
- nregs = ((duk_hcompiledfunction *) func)->nregs;
+ if (DUK_HOBJECT_IS_COMPFUNC(func)) {
+ nargs = ((duk_hcompfunc *) func)->nargs;
+ nregs = ((duk_hcompfunc *) func)->nregs;
DUK_ASSERT(nregs >= nargs);
- } else if (DUK_HOBJECT_IS_NATIVEFUNCTION(func)) {
+ } else {
+ /* True because of call target lookup checks. */
+ DUK_ASSERT(DUK_HOBJECT_IS_NATFUNC(func));
+
/* Note: nargs (and nregs) may be negative for a native,
* function, which indicates that the function wants the
* input stack "as is" (i.e. handles "vararg" arguments).
*/
- nargs = ((duk_hnativefunction *) func)->nargs;
+ nargs = ((duk_hnatfunc *) func)->nargs;
nregs = nargs;
- } else {
- /* XXX: this should be an assert */
- DUK_ERROR_TYPE(thr, DUK_STR_NOT_CALLABLE);
}
} else {
duk_small_uint_t lf_flags;
@@ -56250,8 +59311,8 @@ DUK_LOCAL void duk__handle_call_inner(duk_hthread *thr,
#if defined(DUK_USE_NONSTD_FUNC_CALLER_PROPERTY)
if (func) {
duk__update_func_caller_prop(thr, func);
+ act = thr->callstack + thr->callstack_top - 1;
}
- act = thr->callstack + thr->callstack_top - 1;
#endif
/* [ ... func this arg1 ... argN ] */
@@ -56269,7 +59330,7 @@ DUK_LOCAL void duk__handle_call_inner(duk_hthread *thr,
* Delayed creation (on demand) is handled in duk_js_var.c.
*/
- DUK_ASSERT(func == NULL || !DUK_HOBJECT_HAS_BOUND(func)); /* bound function chain has already been resolved */
+ DUK_ASSERT(func == NULL || !DUK_HOBJECT_HAS_BOUNDFUNC(func)); /* bound function chain has already been resolved */
if (DUK_LIKELY(func != NULL)) {
if (DUK_LIKELY(DUK_HOBJECT_HAS_NEWENV(func))) {
@@ -56311,6 +59372,7 @@ DUK_LOCAL void duk__handle_call_inner(duk_hthread *thr,
DUK_ASSERT(!DUK_HOBJECT_HAS_CREATEARGS(func));
duk__handle_oldenv_for_call(thr, func, act);
+ /* No need to re-lookup 'act' at present: no side effects. */
DUK_ASSERT(act->lex_env != NULL);
DUK_ASSERT(act->var_env != NULL);
@@ -56347,7 +59409,8 @@ DUK_LOCAL void duk__handle_call_inner(duk_hthread *thr,
* new value stack bottom, and call the target.
*/
- if (func != NULL && DUK_HOBJECT_IS_COMPILEDFUNCTION(func)) {
+ act = thr->callstack + thr->callstack_top - 1;
+ if (func != NULL && DUK_HOBJECT_IS_COMPFUNC(func)) {
/*
* Ecmascript call
*/
@@ -56356,8 +59419,8 @@ DUK_LOCAL void duk__handle_call_inner(duk_hthread *thr,
duk_tval *tv_funret;
DUK_ASSERT(func != NULL);
- DUK_ASSERT(DUK_HOBJECT_HAS_COMPILEDFUNCTION(func));
- act->curr_pc = DUK_HCOMPILEDFUNCTION_GET_CODE_BASE(thr->heap, (duk_hcompiledfunction *) func);
+ DUK_ASSERT(DUK_HOBJECT_HAS_COMPFUNC(func));
+ act->curr_pc = DUK_HCOMPFUNC_GET_CODE_BASE(thr->heap, (duk_hcompfunc *) func);
thr->valstack_bottom = thr->valstack_bottom + idx_func + 2;
/* keep current valstack_top */
@@ -56410,7 +59473,7 @@ DUK_LOCAL void duk__handle_call_inner(duk_hthread *thr,
tv_funret = thr->valstack_top - 1;
#if defined(DUK_USE_FASTINT)
/* Explicit check for fastint downgrade. */
- DUK_TVAL_CHKFAST_INPLACE(tv_funret);
+ DUK_TVAL_CHKFAST_INPLACE_FAST(tv_funret);
#endif
DUK_TVAL_SET_TVAL_UPDREF(thr, tv_ret, tv_funret); /* side effects */
} else {
@@ -56426,7 +59489,7 @@ DUK_LOCAL void duk__handle_call_inner(duk_hthread *thr,
DUK_ASSERT(thr->valstack_bottom >= thr->valstack);
DUK_ASSERT(thr->valstack_top >= thr->valstack_bottom);
DUK_ASSERT(thr->valstack_end >= thr->valstack_top);
- DUK_ASSERT(func == NULL || ((duk_hnativefunction *) func)->func != NULL);
+ DUK_ASSERT(func == NULL || ((duk_hnatfunc *) func)->func != NULL);
/* [ ... func this | arg1 ... argN ] ('this' must precede new bottom) */
@@ -56434,7 +59497,7 @@ DUK_LOCAL void duk__handle_call_inner(duk_hthread *thr,
DUK_ASSERT(thr->ptr_curr_pc == NULL);
if (func) {
- rc = ((duk_hnativefunction *) func)->func((duk_context *) thr);
+ rc = ((duk_hnatfunc *) func)->func((duk_context *) thr);
} else {
duk_c_function funcptr = DUK_TVAL_GET_LIGHTFUNC_FUNCPTR(tv_func);
rc = funcptr((duk_context *) thr);
@@ -56446,7 +59509,7 @@ DUK_LOCAL void duk__handle_call_inner(duk_hthread *thr,
duk_error_throw_from_negative_rc(thr, rc);
DUK_UNREACHABLE();
} else if (rc > 1) {
- DUK_ERROR_API(thr, "c function returned invalid rc");
+ DUK_ERROR_TYPE(thr, "c function returned invalid rc");
}
DUK_ASSERT(rc == 0 || rc == 1);
@@ -56475,7 +59538,7 @@ DUK_LOCAL void duk__handle_call_inner(duk_hthread *thr,
tv_funret = thr->valstack_top - 1;
#if defined(DUK_USE_FASTINT)
/* Explicit check for fastint downgrade. */
- DUK_TVAL_CHKFAST_INPLACE(tv_funret);
+ DUK_TVAL_CHKFAST_INPLACE_FAST(tv_funret);
#endif
DUK_TVAL_SET_TVAL_UPDREF(thr, tv_ret, tv_funret); /* side effects */
}
@@ -56599,7 +59662,7 @@ DUK_LOCAL void duk__handle_call_error(duk_hthread *thr,
DUK_TVAL_SET_TVAL_UPDREF(thr, tv_ret, &thr->heap->lj.value1); /* side effects */
#if defined(DUK_USE_FASTINT)
/* Explicit check for fastint downgrade. */
- DUK_TVAL_CHKFAST_INPLACE(tv_ret);
+ DUK_TVAL_CHKFAST_INPLACE_FAST(tv_ret);
#endif
duk_set_top(ctx, idx_func + 1); /* XXX: could be eliminated with valstack adjust */
@@ -56686,6 +59749,7 @@ DUK_LOCAL void duk__handle_call_error(duk_hthread *thr,
DUK_INTERNAL duk_int_t duk_handle_safe_call(duk_hthread *thr,
duk_safe_call_function func,
+ void *udata,
duk_idx_t num_stack_args,
duk_idx_t num_stack_rets) {
duk_context *ctx = (duk_context *) thr;
@@ -56739,7 +59803,7 @@ DUK_INTERNAL duk_int_t duk_handle_safe_call(duk_hthread *thr,
* call the fatal error handler.
*/
- DUK_ERROR_API(thr, DUK_STR_INVALID_CALL_ARGS);
+ DUK_ERROR_TYPE_INVALID_ARGS(thr);
}
/* setjmp catchpoint setup */
@@ -56758,6 +59822,7 @@ DUK_INTERNAL duk_int_t duk_handle_safe_call(duk_hthread *thr,
duk__handle_safe_call_inner(thr,
func,
+ udata,
idx_retbase,
num_stack_rets,
entry_valstack_bottom_index,
@@ -56805,7 +59870,7 @@ DUK_INTERNAL duk_int_t duk_handle_safe_call(duk_hthread *thr,
}
DUK_D(DUK_DPRINT("unexpected c++ std::exception (perhaps thrown by user code)"));
try {
- DUK_ERROR_FMT1(thr, DUK_ERR_API_ERROR, "caught invalid c++ std::exception '%s' (perhaps thrown by user code)", what);
+ DUK_ERROR_FMT1(thr, DUK_ERR_TYPE_ERROR, "caught invalid c++ std::exception '%s' (perhaps thrown by user code)", what);
} catch (duk_internal_exception exc) {
DUK_D(DUK_DPRINT("caught api error thrown from unexpected c++ std::exception"));
DUK_UNREF(exc);
@@ -56821,7 +59886,7 @@ DUK_INTERNAL duk_int_t duk_handle_safe_call(duk_hthread *thr,
} catch (...) {
DUK_D(DUK_DPRINT("unexpected c++ exception (perhaps thrown by user code)"));
try {
- DUK_ERROR_API(thr, "caught invalid c++ exception (perhaps thrown by user code)");
+ DUK_ERROR_TYPE(thr, "caught invalid c++ exception (perhaps thrown by user code)");
} catch (duk_internal_exception exc) {
DUK_D(DUK_DPRINT("caught api error thrown from unexpected c++ exception"));
DUK_UNREF(exc);
@@ -56852,6 +59917,7 @@ DUK_INTERNAL duk_int_t duk_handle_safe_call(duk_hthread *thr,
DUK_LOCAL void duk__handle_safe_call_inner(duk_hthread *thr,
duk_safe_call_function func,
+ void *udata,
duk_idx_t idx_retbase,
duk_idx_t num_stack_rets,
duk_size_t entry_valstack_bottom_index,
@@ -56923,7 +59989,7 @@ DUK_LOCAL void duk__handle_safe_call_inner(duk_hthread *thr,
* Make the C call
*/
- rc = func(ctx);
+ rc = func(ctx, udata);
DUK_DDD(DUK_DDDPRINT("safe_call, func rc=%ld", (long) rc));
@@ -56945,7 +60011,7 @@ DUK_LOCAL void duk__handle_safe_call_inner(duk_hthread *thr,
DUK_ASSERT(rc >= 0);
if (duk_get_top(ctx) < rc) {
- DUK_ERROR_API(thr, "not enough stack values for safe_call rc");
+ DUK_ERROR_RANGE(thr, "not enough stack values for safe_call rc");
}
DUK_ASSERT(thr->catchstack_top == entry_catchstack_top); /* no need to unwind */
@@ -57154,7 +60220,7 @@ DUK_INTERNAL duk_bool_t duk_handle_ecma_call_setup(duk_hthread *thr,
DUK_ASSERT_DISABLE(our_callstack_index >= 0);
DUK_ASSERT(our_callstack_index < thr->callstack_size);
DUK_ASSERT(DUK_ACT_GET_FUNC(thr->callstack + our_callstack_index) != NULL);
- DUK_ASSERT(DUK_HOBJECT_IS_COMPILEDFUNCTION(DUK_ACT_GET_FUNC(thr->callstack + our_callstack_index)));
+ DUK_ASSERT(DUK_HOBJECT_IS_COMPFUNC(DUK_ACT_GET_FUNC(thr->callstack + our_callstack_index)));
/* No entry in the catchstack which would actually catch a
* throw can refer to the callstack entry being reused.
@@ -57188,7 +60254,7 @@ DUK_INTERNAL duk_bool_t duk_handle_ecma_call_setup(duk_hthread *thr,
if (DUK_UNLIKELY(idx_func < 0 || idx_args < 0)) {
/* XXX: assert? compiler is responsible for this never happening */
- DUK_ERROR_API(thr, DUK_STR_INVALID_CALL_ARGS);
+ DUK_ERROR_TYPE_INVALID_ARGS(thr);
}
/*
@@ -57209,7 +60275,7 @@ DUK_INTERNAL duk_bool_t duk_handle_ecma_call_setup(duk_hthread *thr,
*/
func = duk__nonbound_func_lookup(ctx, idx_func, &num_stack_args, &tv_func, call_flags);
- if (func == NULL || !DUK_HOBJECT_IS_COMPILEDFUNCTION(func)) {
+ if (func == NULL || !DUK_HOBJECT_IS_COMPFUNC(func)) {
DUK_DDD(DUK_DDDPRINT("final target is a lightfunc/nativefunc, cannot do ecma-to-ecma call"));
thr->ptr_curr_pc = entry_ptr_curr_pc;
return 0;
@@ -57217,15 +60283,15 @@ DUK_INTERNAL duk_bool_t duk_handle_ecma_call_setup(duk_hthread *thr,
/* XXX: tv_func is not actually needed */
DUK_ASSERT(func != NULL);
- DUK_ASSERT(!DUK_HOBJECT_HAS_BOUND(func));
- DUK_ASSERT(DUK_HOBJECT_IS_COMPILEDFUNCTION(func));
+ DUK_ASSERT(!DUK_HOBJECT_HAS_BOUNDFUNC(func));
+ DUK_ASSERT(DUK_HOBJECT_IS_COMPFUNC(func));
duk__coerce_effective_this_binding(thr, func, idx_func + 1);
DUK_DDD(DUK_DDDPRINT("effective 'this' binding is: %!T",
duk_get_tval(ctx, idx_func + 1)));
- nargs = ((duk_hcompiledfunction *) func)->nargs;
- nregs = ((duk_hcompiledfunction *) func)->nregs;
+ nargs = ((duk_hcompfunc *) func)->nargs;
+ nregs = ((duk_hcompfunc *) func)->nregs;
DUK_ASSERT(nregs >= nargs);
/* [ ... func this arg1 ... argN ] */
@@ -57293,9 +60359,9 @@ DUK_INTERNAL duk_bool_t duk_handle_ecma_call_setup(duk_hthread *thr,
/* 'act' already set above */
- DUK_ASSERT(!DUK_HOBJECT_HAS_BOUND(func));
- DUK_ASSERT(!DUK_HOBJECT_HAS_NATIVEFUNCTION(func));
- DUK_ASSERT(DUK_HOBJECT_HAS_COMPILEDFUNCTION(func));
+ DUK_ASSERT(!DUK_HOBJECT_HAS_BOUNDFUNC(func));
+ DUK_ASSERT(!DUK_HOBJECT_HAS_NATFUNC(func));
+ DUK_ASSERT(DUK_HOBJECT_HAS_COMPFUNC(func));
DUK_ASSERT((act->flags & DUK_ACT_FLAG_PREVENT_YIELD) == 0);
/* Unwind catchstack entries referring to the callstack entry we're reusing */
@@ -57325,9 +60391,9 @@ DUK_INTERNAL duk_bool_t duk_handle_ecma_call_setup(duk_hthread *thr,
act->prev_caller = NULL;
#endif
DUK_ASSERT(func != NULL);
- DUK_ASSERT(DUK_HOBJECT_HAS_COMPILEDFUNCTION(func));
+ DUK_ASSERT(DUK_HOBJECT_HAS_COMPFUNC(func));
/* don't want an intermediate exposed state with invalid pc */
- act->curr_pc = DUK_HCOMPILEDFUNCTION_GET_CODE_BASE(thr->heap, (duk_hcompiledfunction *) func);
+ act->curr_pc = DUK_HCOMPFUNC_GET_CODE_BASE(thr->heap, (duk_hcompfunc *) func);
#if defined(DUK_USE_DEBUGGER_SUPPORT)
act->prev_line = 0;
#endif
@@ -57405,7 +60471,7 @@ DUK_INTERNAL duk_bool_t duk_handle_ecma_call_setup(duk_hthread *thr,
DUK_ASSERT(thr->callstack_top >= 1);
act = thr->callstack + thr->callstack_top - 1;
DUK_ASSERT(DUK_ACT_GET_FUNC(act) != NULL);
- DUK_ASSERT(DUK_HOBJECT_IS_COMPILEDFUNCTION(DUK_ACT_GET_FUNC(act)));
+ DUK_ASSERT(DUK_HOBJECT_IS_COMPFUNC(DUK_ACT_GET_FUNC(act)));
act->idx_retval = entry_valstack_bottom_index + idx_func;
}
@@ -57414,9 +60480,9 @@ DUK_INTERNAL duk_bool_t duk_handle_ecma_call_setup(duk_hthread *thr,
thr->callstack_top++;
DUK_ASSERT(thr->callstack_top <= thr->callstack_size);
- DUK_ASSERT(!DUK_HOBJECT_HAS_BOUND(func));
- DUK_ASSERT(!DUK_HOBJECT_HAS_NATIVEFUNCTION(func));
- DUK_ASSERT(DUK_HOBJECT_HAS_COMPILEDFUNCTION(func));
+ DUK_ASSERT(!DUK_HOBJECT_HAS_BOUNDFUNC(func));
+ DUK_ASSERT(!DUK_HOBJECT_HAS_NATFUNC(func));
+ DUK_ASSERT(DUK_HOBJECT_HAS_COMPFUNC(func));
act->flags = (DUK_HOBJECT_HAS_STRICT(func) ?
DUK_ACT_FLAG_STRICT :
@@ -57428,8 +60494,8 @@ DUK_INTERNAL duk_bool_t duk_handle_ecma_call_setup(duk_hthread *thr,
act->prev_caller = NULL;
#endif
DUK_ASSERT(func != NULL);
- DUK_ASSERT(DUK_HOBJECT_HAS_COMPILEDFUNCTION(func));
- act->curr_pc = DUK_HCOMPILEDFUNCTION_GET_CODE_BASE(thr->heap, (duk_hcompiledfunction *) func);
+ DUK_ASSERT(DUK_HOBJECT_HAS_COMPFUNC(func));
+ act->curr_pc = DUK_HCOMPFUNC_GET_CODE_BASE(thr->heap, (duk_hcompfunc *) func);
#if defined(DUK_USE_DEBUGGER_SUPPORT)
act->prev_line = 0;
#endif
@@ -57465,7 +60531,7 @@ DUK_INTERNAL duk_bool_t duk_handle_ecma_call_setup(duk_hthread *thr,
/* XXX: unify handling with native call. */
- DUK_ASSERT(!DUK_HOBJECT_HAS_BOUND(func)); /* bound function chain has already been resolved */
+ DUK_ASSERT(!DUK_HOBJECT_HAS_BOUNDFUNC(func)); /* bound function chain has already been resolved */
if (!DUK_HOBJECT_HAS_NEWENV(func)) {
/* use existing env (e.g. for non-strict eval); cannot have
@@ -57473,6 +60539,7 @@ DUK_INTERNAL duk_bool_t duk_handle_ecma_call_setup(duk_hthread *thr,
*/
duk__handle_oldenv_for_call(thr, func, act);
+ /* No need to re-lookup 'act' at present: no side effects. */
DUK_ASSERT(act->lex_env != NULL);
DUK_ASSERT(act->var_env != NULL);
@@ -57540,7 +60607,6 @@ DUK_INTERNAL duk_bool_t duk_handle_ecma_call_setup(duk_hthread *thr,
return 1;
}
-#line 1 "duk_js_compiler.c"
/*
* Ecmascript compiler.
*
@@ -57552,8 +60618,8 @@ DUK_INTERNAL duk_bool_t duk_handle_ecma_call_setup(duk_hthread *thr,
* statement level, and an operator precedence based top-down approach
* for the expression level. The attempt is to minimize the C stack
* depth. Bytecode is generated directly without an intermediate
- * representation (tree), at the cost of needing two passes over each
- * function.
+ * representation (tree), at the cost of needing two (and sometimes
+ * three) passes over each function.
*
* The top-down recursive parser functions are named "duk__parse_XXX".
*
@@ -57569,12 +60635,26 @@ DUK_INTERNAL duk_bool_t duk_handle_ecma_call_setup(duk_hthread *thr,
* - PC values: duk_int_t, negative values used as markers
*/
-/* include removed: duk_internal.h */
+/* #include duk_internal.h -> already included */
-/* if highest bit of a register number is set, it refers to a constant instead */
-#define DUK__CONST_MARKER DUK_JS_CONST_MARKER
+/* If highest bit of a register number is set, it refers to a constant instead.
+ * When interpreted as a signed value, this means const values are always
+ * negative (when interpreted as two's complement). For example DUK__ISTEMP()
+ * uses this approach to avoid an explicit DUK__ISREG() check (the condition is
+ * logically "'x' is a register AND 'x' >= temp_first").
+ */
+#define DUK__CONST_MARKER DUK_REGCONST_CONST_MARKER
+#define DUK__ISREG(x) (((x) & DUK__CONST_MARKER) == 0)
+#define DUK__ISCONST(x) (((x) & DUK__CONST_MARKER) != 0)
+#define DUK__REMOVECONST(x) ((x) & ~DUK__CONST_MARKER)
+#define DUK__ISTEMP(comp_ctx,x) ((duk_int32_t) (x) >= (duk_int32_t) ((comp_ctx)->curr_func.temp_first)) /* Avoid DUK__ISREG() check by interpreting as negative value. */
+#define DUK__GETTEMP(comp_ctx) ((comp_ctx)->curr_func.temp_next)
+#define DUK__SETTEMP(comp_ctx,x) ((comp_ctx)->curr_func.temp_next = (x)) /* dangerous: must only lower (temp_max not updated) */
+#define DUK__SETTEMP_CHECKMAX(comp_ctx,x) duk__settemp_checkmax((comp_ctx),(x))
+#define DUK__ALLOCTEMP(comp_ctx) duk__alloctemp((comp_ctx))
+#define DUK__ALLOCTEMPS(comp_ctx,count) duk__alloctemps((comp_ctx),(count))
-/* for array and object literals */
+/* Init value set size for array and object literals. */
#define DUK__MAX_ARRAY_INIT_VALUES 20
#define DUK__MAX_OBJECT_INIT_PAIRS 10
@@ -57582,14 +60662,18 @@ DUK_INTERNAL duk_bool_t duk_handle_ecma_call_setup(duk_hthread *thr,
#define DUK__GETCONST_MAX_CONSTS_CHECK 256
/* These limits are based on bytecode limits. Max temps is limited
- * by duk_hcompiledfunction nargs/nregs fields being 16 bits.
+ * by duk_hcompfunc nargs/nregs fields being 16 bits.
*/
#define DUK__MAX_CONSTS DUK_BC_BC_MAX
#define DUK__MAX_FUNCS DUK_BC_BC_MAX
#define DUK__MAX_TEMPS 0xffffL
/* Initial bytecode size allocation. */
-#define DUK__BC_INITIAL_INSTS 256
+#if defined(DUK_USE_PREFER_SIZE)
+#define DUK__BC_INITIAL_INSTS 16
+#else
+#define DUK__BC_INITIAL_INSTS 256
+#endif
#define DUK__RECURSION_INCREASE(comp_ctx,thr) do { \
DUK_DDD(DUK_DDDPRINT("RECURSION INCREASE: %s:%ld", (const char *) DUK_FILE_MACRO, (long) DUK_LINE_MACRO)); \
@@ -57632,27 +60716,24 @@ DUK_LOCAL_DECL void duk__advance(duk_compiler_ctx *ctx);
DUK_LOCAL_DECL void duk__init_func_valstack_slots(duk_compiler_ctx *comp_ctx);
DUK_LOCAL_DECL void duk__reset_func_for_pass2(duk_compiler_ctx *comp_ctx);
DUK_LOCAL_DECL void duk__init_varmap_and_prologue_for_pass2(duk_compiler_ctx *comp_ctx, duk_reg_t *out_stmt_value_reg);
-DUK_LOCAL_DECL void duk__convert_to_func_template(duk_compiler_ctx *comp_ctx, duk_bool_t force_no_namebind);
+DUK_LOCAL_DECL void duk__convert_to_func_template(duk_compiler_ctx *comp_ctx);
DUK_LOCAL_DECL duk_int_t duk__cleanup_varmap(duk_compiler_ctx *comp_ctx);
/* code emission */
DUK_LOCAL_DECL duk_int_t duk__get_current_pc(duk_compiler_ctx *comp_ctx);
DUK_LOCAL_DECL duk_compiler_instr *duk__get_instr_ptr(duk_compiler_ctx *comp_ctx, duk_int_t pc);
DUK_LOCAL_DECL void duk__emit(duk_compiler_ctx *comp_ctx, duk_instr_t ins);
-#if 0 /* unused */
DUK_LOCAL_DECL void duk__emit_op_only(duk_compiler_ctx *comp_ctx, duk_small_uint_t op);
-#endif
DUK_LOCAL_DECL void duk__emit_a_b_c(duk_compiler_ctx *comp_ctx, duk_small_uint_t op_flags, duk_regconst_t a, duk_regconst_t b, duk_regconst_t c);
DUK_LOCAL_DECL void duk__emit_a_b(duk_compiler_ctx *comp_ctx, duk_small_uint_t op_flags, duk_regconst_t a, duk_regconst_t b);
+DUK_LOCAL_DECL void duk__emit_b_c(duk_compiler_ctx *comp_ctx, duk_small_uint_t op_flags, duk_regconst_t b, duk_regconst_t c);
#if 0 /* unused */
DUK_LOCAL_DECL void duk__emit_a(duk_compiler_ctx *comp_ctx, duk_small_uint_t op_flags, duk_regconst_t a);
#endif
+DUK_LOCAL_DECL void duk__emit_b(duk_compiler_ctx *comp_ctx, duk_small_uint_t op_flags, duk_regconst_t b);
DUK_LOCAL_DECL void duk__emit_a_bc(duk_compiler_ctx *comp_ctx, duk_small_uint_t op_flags, duk_regconst_t a, duk_regconst_t bc);
+DUK_LOCAL_DECL void duk__emit_bc(duk_compiler_ctx *comp_ctx, duk_small_uint_t op, duk_regconst_t bc);
DUK_LOCAL_DECL void duk__emit_abc(duk_compiler_ctx *comp_ctx, duk_small_uint_t op, duk_regconst_t abc);
-DUK_LOCAL_DECL void duk__emit_extraop_b_c(duk_compiler_ctx *comp_ctx, duk_small_uint_t extraop_flags, duk_regconst_t b, duk_regconst_t c);
-DUK_LOCAL_DECL void duk__emit_extraop_b(duk_compiler_ctx *comp_ctx, duk_small_uint_t extraop_flags, duk_regconst_t b);
-DUK_LOCAL_DECL void duk__emit_extraop_bc(duk_compiler_ctx *comp_ctx, duk_small_uint_t extraop, duk_regconst_t bc);
-DUK_LOCAL_DECL void duk__emit_extraop_only(duk_compiler_ctx *comp_ctx, duk_small_uint_t extraop_flags);
DUK_LOCAL_DECL void duk__emit_load_int32(duk_compiler_ctx *comp_ctx, duk_reg_t reg, duk_int32_t val);
DUK_LOCAL_DECL void duk__emit_load_int32_noshuffle(duk_compiler_ctx *comp_ctx, duk_reg_t reg, duk_int32_t val);
DUK_LOCAL_DECL void duk__emit_jump(duk_compiler_ctx *comp_ctx, duk_int_t target_pc);
@@ -57666,9 +60747,12 @@ DUK_LOCAL_DECL void duk__emit_if_true_skip(duk_compiler_ctx *comp_ctx, duk_regco
DUK_LOCAL_DECL void duk__emit_invalid(duk_compiler_ctx *comp_ctx);
/* ivalue/ispec helpers */
+DUK_LOCAL_DECL void duk__ivalue_regconst(duk_ivalue *x, duk_regconst_t regconst);
+DUK_LOCAL_DECL void duk__ivalue_plain_fromstack(duk_compiler_ctx *comp_ctx, duk_ivalue *x);
+DUK_LOCAL_DECL void duk__ivalue_var_fromstack(duk_compiler_ctx *comp_ctx, duk_ivalue *x);
+DUK_LOCAL_DECL void duk__ivalue_var_hstring(duk_compiler_ctx *comp_ctx, duk_ivalue *x, duk_hstring *h);
DUK_LOCAL_DECL void duk__copy_ispec(duk_compiler_ctx *comp_ctx, duk_ispec *src, duk_ispec *dst);
DUK_LOCAL_DECL void duk__copy_ivalue(duk_compiler_ctx *comp_ctx, duk_ivalue *src, duk_ivalue *dst);
-DUK_LOCAL_DECL duk_bool_t duk__is_whole_get_int32(duk_double_t x, duk_int32_t *ival);
DUK_LOCAL_DECL duk_reg_t duk__alloctemps(duk_compiler_ctx *comp_ctx, duk_small_int_t num);
DUK_LOCAL_DECL duk_reg_t duk__alloctemp(duk_compiler_ctx *comp_ctx);
DUK_LOCAL_DECL void duk__settemp_checkmax(duk_compiler_ctx *comp_ctx, duk_reg_t temp_next);
@@ -57743,7 +60827,6 @@ DUK_LOCAL_DECL void duk__exprtop_toplain_ignore(duk_compiler_ctx *comp_ctx, duk_
DUK_LOCAL_DECL duk_int_t duk__parse_arguments(duk_compiler_ctx *comp_ctx, duk_ivalue *res);
DUK_LOCAL_DECL void duk__nud_array_literal(duk_compiler_ctx *comp_ctx, duk_ivalue *res);
DUK_LOCAL_DECL void duk__nud_object_literal(duk_compiler_ctx *comp_ctx, duk_ivalue *res);
-DUK_LOCAL_DECL duk_bool_t duk__nud_object_literal_key_check(duk_compiler_ctx *comp_ctx, duk_small_uint_t new_key_flags);
/* statement parsing */
DUK_LOCAL_DECL void duk__parse_var_decl(duk_compiler_ctx *comp_ctx, duk_ivalue *res, duk_small_uint_t expr_flags, duk_reg_t *out_reg_varbind, duk_regconst_t *out_rc_varname);
@@ -57764,8 +60847,14 @@ DUK_LOCAL_DECL void duk__parse_stmts(duk_compiler_ctx *comp_ctx, duk_bool_t allo
DUK_LOCAL_DECL void duk__parse_func_body(duk_compiler_ctx *comp_ctx, duk_bool_t expect_eof, duk_bool_t implicit_return_value, duk_small_int_t expect_token);
DUK_LOCAL_DECL void duk__parse_func_formals(duk_compiler_ctx *comp_ctx);
-DUK_LOCAL_DECL void duk__parse_func_like_raw(duk_compiler_ctx *comp_ctx, duk_bool_t is_decl, duk_bool_t is_setget);
-DUK_LOCAL_DECL duk_int_t duk__parse_func_like_fnum(duk_compiler_ctx *comp_ctx, duk_bool_t is_decl, duk_bool_t is_setget);
+DUK_LOCAL_DECL void duk__parse_func_like_raw(duk_compiler_ctx *comp_ctx, duk_small_uint_t flags);
+DUK_LOCAL_DECL duk_int_t duk__parse_func_like_fnum(duk_compiler_ctx *comp_ctx, duk_small_uint_t flags);
+
+#define DUK__FUNC_FLAG_DECL (1 << 0) /* Parsing a function declaration. */
+#define DUK__FUNC_FLAG_GETSET (1 << 1) /* Parsing an object literal getter/setter. */
+#define DUK__FUNC_FLAG_METDEF (1 << 2) /* Parsing an object literal method definition shorthand. */
+#define DUK__FUNC_FLAG_PUSHNAME_PASS1 (1 << 3) /* Push function name when creating template (first pass only). */
+#define DUK__FUNC_FLAG_USE_PREVTOKEN (1 << 4) /* Use prev_token to start function parsing (workaround for object literal). */
/*
* Parser control values for tokens. The token table is ordered by the
@@ -57799,9 +60888,10 @@ DUK_LOCAL_DECL duk_int_t duk__parse_func_like_fnum(duk_compiler_ctx *comp_ctx, d
#define DUK__BP_SHIFT 26
#define DUK__BP_ADDITIVE 28
#define DUK__BP_MULTIPLICATIVE 30
-#define DUK__BP_POSTFIX 32
-#define DUK__BP_CALL 34
-#define DUK__BP_MEMBER 36
+#define DUK__BP_EXPONENTIATION 32
+#define DUK__BP_POSTFIX 34
+#define DUK__BP_CALL 36
+#define DUK__BP_MEMBER 38
#define DUK__TOKEN_LBP_BP_MASK 0x1f
#define DUK__TOKEN_LBP_FLAG_NO_REGEXP (1 << 5) /* regexp literal must not follow this token */
@@ -57885,6 +60975,7 @@ DUK_LOCAL const duk_uint8_t duk__token_lbp[] = {
DUK__MK_LBP(DUK__BP_MULTIPLICATIVE), /* DUK_TOK_MUL */
DUK__MK_LBP(DUK__BP_MULTIPLICATIVE), /* DUK_TOK_DIV */
DUK__MK_LBP(DUK__BP_MULTIPLICATIVE), /* DUK_TOK_MOD */
+ DUK__MK_LBP(DUK__BP_EXPONENTIATION), /* DUK_TOK_EXP */
DUK__MK_LBP(DUK__BP_POSTFIX), /* DUK_TOK_INCREMENT */
DUK__MK_LBP(DUK__BP_POSTFIX), /* DUK_TOK_DECREMENT */
DUK__MK_LBP(DUK__BP_SHIFT), /* DUK_TOK_ALSHIFT */
@@ -57905,6 +60996,7 @@ DUK_LOCAL const duk_uint8_t duk__token_lbp[] = {
DUK__MK_LBP(DUK__BP_ASSIGNMENT), /* DUK_TOK_MUL_EQ */
DUK__MK_LBP(DUK__BP_ASSIGNMENT), /* DUK_TOK_DIV_EQ */
DUK__MK_LBP(DUK__BP_ASSIGNMENT), /* DUK_TOK_MOD_EQ */
+ DUK__MK_LBP(DUK__BP_ASSIGNMENT), /* DUK_TOK_EXP_EQ */
DUK__MK_LBP(DUK__BP_ASSIGNMENT), /* DUK_TOK_ALSHIFT_EQ */
DUK__MK_LBP(DUK__BP_ASSIGNMENT), /* DUK_TOK_ARSHIFT_EQ */
DUK__MK_LBP(DUK__BP_ASSIGNMENT), /* DUK_TOK_RSHIFT_EQ */
@@ -58037,7 +61129,7 @@ DUK_LOCAL void duk__init_func_valstack_slots(duk_compiler_ctx *comp_ctx) {
entry_top = duk_get_top(ctx);
DUK_MEMZERO(func, sizeof(*func)); /* intentional overlap with earlier memzero */
-#ifdef DUK_USE_EXPLICIT_NULL_INIT
+#if defined(DUK_USE_EXPLICIT_NULL_INIT)
func->h_name = NULL;
func->h_consts = NULL;
func->h_funcs = NULL;
@@ -58076,7 +61168,7 @@ DUK_LOCAL void duk__init_func_valstack_slots(duk_compiler_ctx *comp_ctx) {
duk_push_dynamic_buffer(ctx, 0);
func->labelinfos_idx = entry_top + 5;
- func->h_labelinfos = (duk_hbuffer_dynamic *) duk_get_hbuffer(ctx, entry_top + 5);
+ func->h_labelinfos = (duk_hbuffer_dynamic *) duk_known_hbuffer(ctx, entry_top + 5);
DUK_ASSERT(func->h_labelinfos != NULL);
DUK_ASSERT(DUK_HBUFFER_HAS_DYNAMIC(func->h_labelinfos) && !DUK_HBUFFER_HAS_EXTERNAL(func->h_labelinfos));
@@ -58085,7 +61177,7 @@ DUK_LOCAL void duk__init_func_valstack_slots(duk_compiler_ctx *comp_ctx) {
func->h_argnames = DUK_GET_HOBJECT_POSIDX(ctx, entry_top + 6);
DUK_ASSERT(func->h_argnames != NULL);
- duk_push_object_internal(ctx);
+ duk_push_bare_object(ctx);
func->varmap_idx = entry_top + 7;
func->h_varmap = DUK_GET_HOBJECT_POSIDX(ctx, entry_top + 7);
DUK_ASSERT(func->h_varmap != NULL);
@@ -58102,16 +61194,16 @@ DUK_LOCAL void duk__reset_func_for_pass2(duk_compiler_ctx *comp_ctx) {
*/
DUK_BW_RESET_SIZE(thr, &func->bw_code);
- duk_hobject_set_length_zero(thr, func->h_consts);
+ duk_set_length(ctx, func->consts_idx, 0);
/* keep func->h_funcs; inner functions are not reparsed to avoid O(depth^2) parsing */
func->fnum_next = 0;
- /* duk_hobject_set_length_zero(thr, func->h_funcs); */
- duk_hobject_set_length_zero(thr, func->h_labelnames);
+ /* duk_set_length(ctx, func->funcs_idx, 0); */
+ duk_set_length(ctx, func->labelnames_idx, 0);
duk_hbuffer_reset(thr, func->h_labelinfos);
/* keep func->h_argnames; it is fixed for all passes */
/* truncated in case pass 3 needed */
- duk_push_object_internal(ctx);
+ duk_push_bare_object(ctx);
duk_replace(ctx, func->varmap_idx);
func->h_varmap = DUK_GET_HOBJECT_POSIDX(ctx, func->varmap_idx);
DUK_ASSERT(func->h_varmap != NULL);
@@ -58162,20 +61254,20 @@ DUK_LOCAL duk_int_t duk__cleanup_varmap(duk_compiler_ctx *comp_ctx) {
}
}
- duk_compact(ctx, -1);
+ duk_compact_m1(ctx);
return ret;
}
-/* convert duk_compiler_func into a function template, leaving the result
+/* Convert duk_compiler_func into a function template, leaving the result
* on top of stack.
*/
/* XXX: awkward and bloated asm -- use faster internal accesses */
-DUK_LOCAL void duk__convert_to_func_template(duk_compiler_ctx *comp_ctx, duk_bool_t force_no_namebind) {
+DUK_LOCAL void duk__convert_to_func_template(duk_compiler_ctx *comp_ctx) {
duk_compiler_func *func = &comp_ctx->curr_func;
duk_hthread *thr = comp_ctx->thr;
duk_context *ctx = (duk_context *) thr;
- duk_hcompiledfunction *h_res;
+ duk_hcompfunc *h_res;
duk_hbuffer_fixed *h_data;
duk_size_t consts_count;
duk_size_t funcs_count;
@@ -58188,6 +61280,11 @@ DUK_LOCAL void duk__convert_to_func_template(duk_compiler_ctx *comp_ctx, duk_boo
duk_instr_t *p_instr;
duk_compiler_instr *q_instr;
duk_tval *tv;
+ duk_bool_t keep_varmap;
+ duk_bool_t keep_formals;
+#if !defined(DUK_USE_DEBUGGER_SUPPORT)
+ duk_size_t formals_length;
+#endif
DUK_DDD(DUK_DDDPRINT("converting duk_compiler_func to function/template"));
@@ -58197,9 +61294,10 @@ DUK_LOCAL void duk__convert_to_func_template(duk_compiler_ctx *comp_ctx, duk_boo
/* Valstack should suffice here, required on function valstack init */
- (void) duk_push_compiledfunction(ctx);
- h_res = (duk_hcompiledfunction *) DUK_GET_HOBJECT_NEGIDX(ctx, -1); /* XXX: specific getter */
+ h_res = duk_push_hcompfunc(ctx);
DUK_ASSERT(h_res != NULL);
+ DUK_ASSERT(DUK_HOBJECT_GET_PROTOTYPE(thr->heap, (duk_hobject *) h_res) == thr->builtins[DUK_BIDX_FUNCTION_PROTOTYPE]);
+ DUK_HOBJECT_SET_PROTOTYPE_UPDREF(thr, (duk_hobject *) h_res, NULL); /* Function templates are "bare objects". */
if (func->is_function) {
DUK_DDD(DUK_DDDPRINT("function -> set NEWENV"));
@@ -58228,7 +61326,8 @@ DUK_LOCAL void duk__convert_to_func_template(duk_compiler_ctx *comp_ctx, duk_boo
DUK_ASSERT(!DUK_HOBJECT_HAS_NEWENV((duk_hobject *) h_res));
}
- if (func->is_function && !func->is_decl && func->h_name != NULL && !force_no_namebind) {
+#if defined(DUK_USE_FUNC_NAME_PROPERTY)
+ if (func->is_function && func->is_namebinding && func->h_name != NULL) {
/* Object literal set/get functions have a name (property
* name) but must not have a lexical name binding, see
* test-bug-getset-func-name.js.
@@ -58236,6 +61335,7 @@ DUK_LOCAL void duk__convert_to_func_template(duk_compiler_ctx *comp_ctx, duk_boo
DUK_DDD(DUK_DDDPRINT("function expression with a name -> set NAMEBINDING"));
DUK_HOBJECT_SET_NAMEBINDING((duk_hobject *) h_res);
}
+#endif
if (func->is_strict) {
DUK_DDD(DUK_DDDPRINT("function is strict -> set STRICT"));
@@ -58247,6 +61347,11 @@ DUK_LOCAL void duk__convert_to_func_template(duk_compiler_ctx *comp_ctx, duk_boo
DUK_HOBJECT_SET_NOTAIL((duk_hobject *) h_res);
}
+ if (func->is_constructable) {
+ DUK_DDD(DUK_DDDPRINT("function is constructable -> set CONSTRUCTABLE"));
+ DUK_HOBJECT_SET_CONSTRUCTABLE((duk_hobject *) h_res);
+ }
+
/*
* Build function fixed size 'data' buffer, which contains bytecode,
* constants, and inner function references.
@@ -58272,11 +61377,10 @@ DUK_LOCAL void duk__convert_to_func_template(duk_compiler_ctx *comp_ctx, duk_boo
(long) funcs_count, (long) sizeof(duk_hobject *),
(long) code_size, (long) data_size));
- duk_push_fixed_buffer(ctx, data_size);
- h_data = (duk_hbuffer_fixed *) duk_get_hbuffer(ctx, -1);
- DUK_ASSERT(h_data != NULL);
+ duk_push_fixed_buffer_nozero(ctx, data_size);
+ h_data = (duk_hbuffer_fixed *) duk_known_hbuffer(ctx, -1);
- DUK_HCOMPILEDFUNCTION_SET_DATA(thr->heap, h_res, (duk_hbuffer *) h_data);
+ DUK_HCOMPFUNC_SET_DATA(thr->heap, h_res, (duk_hbuffer *) h_data);
DUK_HEAPHDR_INCREF(thr, h_data);
p_const = (duk_tval *) (void *) DUK_HBUFFER_FIXED_GET_DATA_PTR(thr->heap, h_data);
@@ -58292,7 +61396,7 @@ DUK_LOCAL void duk__convert_to_func_template(duk_compiler_ctx *comp_ctx, duk_boo
}
p_func = (duk_hobject **) p_const;
- DUK_HCOMPILEDFUNCTION_SET_FUNCS(thr->heap, h_res, p_func);
+ DUK_HCOMPFUNC_SET_FUNCS(thr->heap, h_res, p_func);
for (i = 0; i < funcs_count; i++) {
duk_hobject *h;
DUK_ASSERT(i * 3 <= DUK_UARRIDX_MAX); /* func limits */
@@ -58301,7 +61405,7 @@ DUK_LOCAL void duk__convert_to_func_template(duk_compiler_ctx *comp_ctx, duk_boo
DUK_ASSERT(DUK_TVAL_IS_OBJECT(tv));
h = DUK_TVAL_GET_OBJECT(tv);
DUK_ASSERT(h != NULL);
- DUK_ASSERT(DUK_HOBJECT_IS_COMPILEDFUNCTION(h));
+ DUK_ASSERT(DUK_HOBJECT_IS_COMPFUNC(h));
*p_func++ = h;
DUK_HOBJECT_INCREF(thr, h);
@@ -58310,7 +61414,7 @@ DUK_LOCAL void duk__convert_to_func_template(duk_compiler_ctx *comp_ctx, duk_boo
}
p_instr = (duk_instr_t *) p_func;
- DUK_HCOMPILEDFUNCTION_SET_BYTECODE(thr->heap, h_res, p_instr);
+ DUK_HCOMPFUNC_SET_BYTECODE(thr->heap, h_res, p_instr);
/* copy bytecode instructions one at a time */
q_instr = (duk_compiler_instr *) (void *) DUK_BW_GET_BASEPTR(thr, &func->bw_code);
@@ -58324,6 +61428,25 @@ DUK_LOCAL void duk__convert_to_func_template(duk_compiler_ctx *comp_ctx, duk_boo
duk_pop(ctx); /* 'data' (and everything in it) is reachable through h_res now */
/*
+ * Init non-property result fields
+ *
+ * 'nregs' controls how large a register frame is allocated.
+ *
+ * 'nargs' controls how many formal arguments are written to registers:
+ * r0, ... r(nargs-1). The remaining registers are initialized to
+ * undefined.
+ */
+
+ DUK_ASSERT(func->temp_max >= 0);
+ h_res->nregs = (duk_uint16_t) func->temp_max;
+ h_res->nargs = (duk_uint16_t) duk_hobject_get_length(thr, func->h_argnames);
+ DUK_ASSERT(h_res->nregs >= h_res->nargs); /* pass2 allocation handles this */
+#if defined(DUK_USE_DEBUGGER_SUPPORT)
+ h_res->start_line = (duk_uint32_t) func->min_line;
+ h_res->end_line = (duk_uint32_t) func->max_line;
+#endif
+
+ /*
* Init object properties
*
* Properties should be added in decreasing order of access frequency.
@@ -58334,18 +61457,30 @@ DUK_LOCAL void duk__convert_to_func_template(duk_compiler_ctx *comp_ctx, duk_boo
/* [ ... res ] */
- /* _Varmap: omitted if function is guaranteed not to do slow path identifier
- * accesses or if it would turn out to be empty of actual register mappings
- * after a cleanup. When debugging is enabled, we always need the varmap to
- * be able to lookup variables at any point.
+ /* _Varmap: omitted if function is guaranteed not to do a slow path
+ * identifier access that might be caught by locally declared variables.
+ * The varmap can also be omitted if it turns out empty of actual
+ * register mappings after a cleanup. When debugging is enabled, we
+ * always need the varmap to be able to lookup variables at any point.
*/
+
#if defined(DUK_USE_DEBUGGER_SUPPORT)
- if (1) {
+ DUK_DD(DUK_DDPRINT("keeping _Varmap because debugger support is enabled"));
+ keep_varmap = 1;
#else
- if (func->id_access_slow || /* directly uses slow accesses */
- func->may_direct_eval || /* may indirectly slow access through a direct eval */
- funcs_count > 0) { /* has inner functions which may slow access (XXX: this can be optimized by looking at the inner functions) */
+ if (func->id_access_slow_own || /* directly uses slow accesses that may match own variables */
+ func->id_access_arguments || /* accesses 'arguments' directly */
+ func->may_direct_eval || /* may indirectly slow access through a direct eval */
+ funcs_count > 0) { /* has inner functions which may slow access (XXX: this can be optimized by looking at the inner functions) */
+ DUK_DD(DUK_DDPRINT("keeping _Varmap because of direct eval, slow path access that may match local variables, or presence of inner functions"));
+ keep_varmap = 1;
+ } else {
+ DUK_DD(DUK_DDPRINT("dropping _Varmap"));
+ keep_varmap = 0;
+ }
#endif
+
+ if (keep_varmap) {
duk_int_t num_used;
duk_dup(ctx, func->varmap_idx);
num_used = duk__cleanup_varmap(comp_ctx);
@@ -58353,29 +61488,58 @@ DUK_LOCAL void duk__convert_to_func_template(duk_compiler_ctx *comp_ctx, duk_boo
(duk_tval *) duk_get_tval(ctx, -1), (long) num_used));
if (num_used > 0) {
- duk_xdef_prop_stridx(ctx, -2, DUK_STRIDX_INT_VARMAP, DUK_PROPDESC_FLAGS_NONE);
+ duk_xdef_prop_stridx_short(ctx, -2, DUK_STRIDX_INT_VARMAP, DUK_PROPDESC_FLAGS_NONE);
} else {
- DUK_DDD(DUK_DDDPRINT("varmap is empty after cleanup -> no need to add"));
+ DUK_DD(DUK_DDPRINT("varmap is empty after cleanup -> no need to add"));
duk_pop(ctx);
}
}
- /* _Formals: omitted if function is guaranteed not to need a (non-strict) arguments object */
- if (1) {
- /* XXX: Add a proper condition. If formals list is omitted, recheck
- * handling for 'length' in duk_js_push_closure(); it currently relies
- * on _Formals being set. Removal may need to be conditional to debugging
- * being enabled/disabled too.
+ /* _Formals: omitted if function is guaranteed not to need a (non-strict)
+ * arguments object, and _Formals.length matches nargs exactly.
+ *
+ * Non-arrow functions can't see an outer function's 'argument' binding
+ * (because they have their own), but arrow functions can. When arrow
+ * functions are added, this condition would need to be added:
+ * inner_arrow_funcs_count > 0 inner arrow functions may access 'arguments'
+ */
+#if defined(DUK_USE_DEBUGGER_SUPPORT)
+ DUK_DD(DUK_DDPRINT("keeping _Formals because debugger support is enabled"));
+ keep_formals = 1;
+#else
+ formals_length = duk_get_length(ctx, func->argnames_idx);
+ if (formals_length != (duk_size_t) h_res->nargs) {
+ /* Nargs not enough for closure .length: keep _Formals regardless
+ * of its length. Shouldn't happen in practice at the moment.
+ */
+ DUK_DD(DUK_DDPRINT("keeping _Formals because _Formals.length != nargs"));
+ keep_formals = 1;
+ } else if ((func->id_access_arguments || func->may_direct_eval) &&
+ (formals_length > 0)) {
+ /* Direct eval (may access 'arguments') or accesses 'arguments'
+ * explicitly: keep _Formals unless it is zero length.
*/
+ DUK_DD(DUK_DDPRINT("keeping _Formals because of direct eval or explicit access to 'arguments', and _Formals.length != 0"));
+ keep_formals = 1;
+ } else {
+ DUK_DD(DUK_DDPRINT("omitting _Formals, nargs matches _Formals.length, so no properties added"));
+ keep_formals = 0;
+ }
+#endif
+
+ if (keep_formals) {
duk_dup(ctx, func->argnames_idx);
- duk_xdef_prop_stridx(ctx, -2, DUK_STRIDX_INT_FORMALS, DUK_PROPDESC_FLAGS_NONE);
+ duk_xdef_prop_stridx_short(ctx, -2, DUK_STRIDX_INT_FORMALS, DUK_PROPDESC_FLAGS_NONE);
}
/* name */
+#if defined(DUK_USE_FUNC_NAME_PROPERTY)
if (func->h_name) {
duk_push_hstring(ctx, func->h_name);
- duk_xdef_prop_stridx(ctx, -2, DUK_STRIDX_NAME, DUK_PROPDESC_FLAGS_NONE);
+ DUK_DD(DUK_DDPRINT("setting function template .name to %!T", duk_get_tval(ctx, -1)));
+ duk_xdef_prop_stridx_short(ctx, -2, DUK_STRIDX_NAME, DUK_PROPDESC_FLAGS_NONE);
}
+#endif /* DUK_USE_FUNC_NAME_PROPERTY */
/* _Source */
#if defined(DUK_USE_NONSTD_FUNC_SOURCE_PROPERTY)
@@ -58420,7 +61584,7 @@ DUK_LOCAL void duk__convert_to_func_template(duk_compiler_ctx *comp_ctx, duk_boo
#if 0
duk_push_string(ctx, "XXX");
- duk_xdef_prop_stridx(ctx, -2, DUK_STRIDX_INT_SOURCE, DUK_PROPDESC_FLAGS_NONE);
+ duk_xdef_prop_stridx_short(ctx, -2, DUK_STRIDX_INT_SOURCE, DUK_PROPDESC_FLAGS_NONE);
#endif
}
#endif /* DUK_USE_NONSTD_FUNC_SOURCE_PROPERTY */
@@ -58434,7 +61598,7 @@ DUK_LOCAL void duk__convert_to_func_template(duk_compiler_ctx *comp_ctx, duk_boo
DUK_ASSERT(code_count <= DUK_COMPILER_MAX_BYTECODE_LENGTH);
duk_hobject_pc2line_pack(thr, q_instr, (duk_uint_fast32_t) code_count); /* -> pushes fixed buffer */
- duk_xdef_prop_stridx(ctx, -2, DUK_STRIDX_INT_PC2LINE, DUK_PROPDESC_FLAGS_NONE);
+ duk_xdef_prop_stridx_short(ctx, -2, DUK_STRIDX_INT_PC2LINE, DUK_PROPDESC_FLAGS_NONE);
/* XXX: if assertions enabled, walk through all valid PCs
* and check line mapping.
@@ -58443,32 +61607,15 @@ DUK_LOCAL void duk__convert_to_func_template(duk_compiler_ctx *comp_ctx, duk_boo
#endif /* DUK_USE_PC2LINE */
/* fileName */
+#if defined(DUK_USE_FUNC_FILENAME_PROPERTY)
if (comp_ctx->h_filename) {
/*
* Source filename (or equivalent), for identifying thrown errors.
*/
duk_push_hstring(ctx, comp_ctx->h_filename);
- duk_xdef_prop_stridx(ctx, -2, DUK_STRIDX_FILE_NAME, DUK_PROPDESC_FLAGS_NONE);
+ duk_xdef_prop_stridx_short(ctx, -2, DUK_STRIDX_FILE_NAME, DUK_PROPDESC_FLAGS_NONE);
}
-
- /*
- * Init remaining result fields
- *
- * 'nregs' controls how large a register frame is allocated.
- *
- * 'nargs' controls how many formal arguments are written to registers:
- * r0, ... r(nargs-1). The remaining registers are initialized to
- * undefined.
- */
-
- DUK_ASSERT(func->temp_max >= 0);
- h_res->nregs = (duk_uint16_t) func->temp_max;
- h_res->nargs = (duk_uint16_t) duk_hobject_get_length(thr, func->h_argnames);
- DUK_ASSERT(h_res->nregs >= h_res->nargs); /* pass2 allocation handles this */
-#if defined(DUK_USE_DEBUGGER_SUPPORT)
- h_res->start_line = (duk_uint32_t) func->min_line;
- h_res->end_line = (duk_uint32_t) func->max_line;
#endif
DUK_DD(DUK_DDPRINT("converted function: %!ixT",
@@ -58478,20 +61625,20 @@ DUK_LOCAL void duk__convert_to_func_template(duk_compiler_ctx *comp_ctx, duk_boo
* Compact the function template.
*/
- duk_compact(ctx, -1);
+ duk_compact_m1(ctx);
/*
* Debug dumping
*/
-#ifdef DUK_USE_DDDPRINT
+#if defined(DUK_USE_DEBUG_LEVEL) && (DUK_USE_DEBUG_LEVEL >= 2)
{
- duk_hcompiledfunction *h;
+ duk_hcompfunc *h;
duk_instr_t *p, *p_start, *p_end;
- h = (duk_hcompiledfunction *) duk_get_hobject(ctx, -1);
- p_start = (duk_instr_t *) DUK_HCOMPILEDFUNCTION_GET_CODE_BASE(thr->heap, h);
- p_end = (duk_instr_t *) DUK_HCOMPILEDFUNCTION_GET_CODE_END(thr->heap, h);
+ h = (duk_hcompfunc *) duk_get_hobject(ctx, -1);
+ p_start = (duk_instr_t *) DUK_HCOMPFUNC_GET_CODE_BASE(thr->heap, h);
+ p_end = (duk_instr_t *) DUK_HCOMPFUNC_GET_CODE_END(thr->heap, h);
p = p_start;
while (p < p_end) {
@@ -58516,7 +61663,7 @@ DUK_LOCAL void duk__convert_to_func_template(duk_compiler_ctx *comp_ctx, duk_boo
* Some emission helpers understand the range of target and source reg/const
* values and automatically emit shuffling code if necessary. This is the
* case when the slot in question (A, B, C) is used in the standard way and
- * for opcodes the emission helpers explicitly understand (like DUK_OP_CALL).
+ * for opcodes the emission helpers explicitly understand (like DUK_OP_MPUTOBJ).
*
* The standard way is that:
* - slot A is a target register
@@ -58542,7 +61689,7 @@ DUK_LOCAL void duk__convert_to_func_template(duk_compiler_ctx *comp_ctx, duk_boo
*/
/* Code emission flags, passed in the 'opcode' field. Opcode + flags
- * fit into 16 bits for now, so use duk_small_uint.t.
+ * fit into 16 bits for now, so use duk_small_uint_t.
*/
#define DUK__EMIT_FLAG_NO_SHUFFLE_A (1 << 8)
#define DUK__EMIT_FLAG_NO_SHUFFLE_B (1 << 9)
@@ -58550,12 +61697,9 @@ DUK_LOCAL void duk__convert_to_func_template(duk_compiler_ctx *comp_ctx, duk_boo
#define DUK__EMIT_FLAG_A_IS_SOURCE (1 << 11) /* slot A is a source (default: target) */
#define DUK__EMIT_FLAG_B_IS_TARGET (1 << 12) /* slot B is a target (default: source) */
#define DUK__EMIT_FLAG_C_IS_TARGET (1 << 13) /* slot C is a target (default: source) */
-#define DUK__EMIT_FLAG_B_IS_TARGETSOURCE (1 << 14) /* slot B is both a target and a source (used by extraops like DUK_EXTRAOP_INSTOF */
+#define DUK__EMIT_FLAG_BC_REGCONST (1 << 14) /* slots B and C are reg/const */
#define DUK__EMIT_FLAG_RESERVE_JUMPSLOT (1 << 15) /* reserve a jumpslot after instr before target spilling, used for NEXTENUM */
-/* XXX: clarify on when and where DUK__CONST_MARKER is allowed */
-/* XXX: opcode specific assertions on when consts are allowed */
-
/* XXX: macro smaller than call? */
DUK_LOCAL duk_int_t duk__get_current_pc(duk_compiler_ctx *comp_ctx) {
duk_compiler_func *func;
@@ -58664,11 +61808,9 @@ DUK_LOCAL void duk__update_lineinfo_currtoken(duk_compiler_ctx *comp_ctx) {
#endif
}
-#if 0 /* unused */
DUK_LOCAL void duk__emit_op_only(duk_compiler_ctx *comp_ctx, duk_small_uint_t op) {
duk__emit(comp_ctx, DUK_ENC_OP_ABC(op, 0));
}
-#endif
/* Important main primitive. */
DUK_LOCAL void duk__emit_a_b_c(duk_compiler_ctx *comp_ctx, duk_small_uint_t op_flags, duk_regconst_t a, duk_regconst_t b, duk_regconst_t c) {
@@ -58677,6 +61819,7 @@ DUK_LOCAL void duk__emit_a_b_c(duk_compiler_ctx *comp_ctx, duk_small_uint_t op_f
duk_int_t b_out = -1;
duk_int_t c_out = -1;
duk_int_t tmp;
+ duk_small_int_t op = op_flags & 0xff;
DUK_DDD(DUK_DDDPRINT("emit: op_flags=%04lx, a=%ld, b=%ld, c=%ld",
(unsigned long) op_flags, (long) a, (long) b, (long) c));
@@ -58697,7 +61840,7 @@ DUK_LOCAL void duk__emit_a_b_c(duk_compiler_ctx *comp_ctx, duk_small_uint_t op_f
* are recorded into X_out variables.
*/
- /* Slot A */
+ /* Slot A: currently no support for reg/const. */
#if defined(DUK_USE_SHUFFLE_TORTURE)
if (a <= DUK_BC_A_MAX && (op_flags & DUK__EMIT_FLAG_NO_SHUFFLE_A)) {
@@ -58714,20 +61857,21 @@ DUK_LOCAL void duk__emit_a_b_c(duk_compiler_ctx *comp_ctx, duk_small_uint_t op_f
if (op_flags & DUK__EMIT_FLAG_A_IS_SOURCE) {
duk__emit(comp_ctx, DUK_ENC_OP_A_BC(DUK_OP_LDREG, tmp, a));
} else {
- duk_small_int_t op = op_flags & 0xff;
- if (op == DUK_OP_CSVAR || op == DUK_OP_CSREG || op == DUK_OP_CSPROP) {
- /* Special handling for call setup instructions. The target
- * is expressed indirectly, but there is no output shuffling.
+ /* Output shuffle needed after main operation */
+ a_out = a;
+
+ /* The DUK_OP_CSVAR output shuffle assumes shuffle registers are
+ * consecutive.
+ */
+ DUK_ASSERT((comp_ctx->curr_func.shuffle1 == 0 && comp_ctx->curr_func.shuffle2 == 0) ||
+ comp_ctx->curr_func.shuffle2 == comp_ctx->curr_func.shuffle1 + 1);
+ if (op == DUK_OP_CSVAR) {
+ /* For CSVAR the limit is one smaller because output shuffle
+ * must be able to express 'a + 1' in BC.
*/
- DUK_ASSERT((op_flags & DUK__EMIT_FLAG_A_IS_SOURCE) == 0);
- duk__emit_load_int32_noshuffle(comp_ctx, tmp, a);
- DUK_ASSERT(DUK_OP_CSVARI == DUK_OP_CSVAR + 1);
- DUK_ASSERT(DUK_OP_CSREGI == DUK_OP_CSREG + 1);
- DUK_ASSERT(DUK_OP_CSPROPI == DUK_OP_CSPROP + 1);
- op_flags++; /* indirect opcode follows direct */
- } else {
- /* Output shuffle needed after main operation */
- a_out = a;
+ if (a + 1 > DUK_BC_BC_MAX) {
+ goto error_outofregs;
+ }
}
}
a = tmp;
@@ -58736,20 +61880,24 @@ DUK_LOCAL void duk__emit_a_b_c(duk_compiler_ctx *comp_ctx, duk_small_uint_t op_f
goto error_outofregs;
}
- /* Slot B */
+ /* Slot B: reg/const support, mapped to bit 0 of opcode. */
if (b & DUK__CONST_MARKER) {
DUK_ASSERT((op_flags & DUK__EMIT_FLAG_NO_SHUFFLE_B) == 0);
DUK_ASSERT((op_flags & DUK__EMIT_FLAG_B_IS_TARGET) == 0);
- DUK_ASSERT((op_flags & 0xff) != DUK_OP_CALL);
- DUK_ASSERT((op_flags & 0xff) != DUK_OP_NEW);
b = b & ~DUK__CONST_MARKER;
#if defined(DUK_USE_SHUFFLE_TORTURE)
if (0) {
#else
if (b <= 0xff) {
#endif
- ins |= DUK_ENC_OP_A_B_C(0, 0, 0x100, 0); /* const flag for B */
+ if (op_flags & DUK__EMIT_FLAG_BC_REGCONST) {
+ /* Opcode follows B/C reg/const convention. */
+ DUK_ASSERT((op & 0x01) == 0);
+ ins |= DUK_ENC_OP_A_B_C(0x01, 0, 0, 0); /* const flag for B */
+ } else {
+ DUK_D(DUK_DPRINT("B is const, opcode is not B/C reg/const: %x", op_flags));
+ }
} else if (b <= DUK_BC_BC_MAX) {
comp_ctx->curr_func.needs_shuffle = 1;
tmp = comp_ctx->curr_func.shuffle2;
@@ -58779,19 +61927,15 @@ DUK_LOCAL void duk__emit_a_b_c(duk_compiler_ctx *comp_ctx, duk_small_uint_t op_f
/* Output shuffle needed after main operation */
b_out = b;
}
- if (!(op_flags & DUK__EMIT_FLAG_B_IS_TARGET) || (op_flags & DUK__EMIT_FLAG_B_IS_TARGETSOURCE)) {
- duk_small_int_t op = op_flags & 0xff;
- if (op == DUK_OP_CALL || op == DUK_OP_NEW ||
- op == DUK_OP_MPUTOBJ || op == DUK_OP_MPUTARR) {
- /* Special handling for CALL/NEW/MPUTOBJ/MPUTARR shuffling.
+ if (!(op_flags & DUK__EMIT_FLAG_B_IS_TARGET)) {
+ if (op == DUK_OP_MPUTOBJ || op == DUK_OP_MPUTARR) {
+ /* Special handling for MPUTOBJ/MPUTARR shuffling.
* For each, slot B identifies the first register of a range
* of registers, so normal shuffling won't work. Instead,
* an indirect version of the opcode is used.
*/
DUK_ASSERT((op_flags & DUK__EMIT_FLAG_B_IS_TARGET) == 0);
duk__emit_load_int32_noshuffle(comp_ctx, tmp, b);
- DUK_ASSERT(DUK_OP_CALLI == DUK_OP_CALL + 1);
- DUK_ASSERT(DUK_OP_NEWI == DUK_OP_NEW + 1);
DUK_ASSERT(DUK_OP_MPUTOBJI == DUK_OP_MPUTOBJ + 1);
DUK_ASSERT(DUK_OP_MPUTARRI == DUK_OP_MPUTARR + 1);
op_flags++; /* indirect opcode follows direct */
@@ -58806,7 +61950,7 @@ DUK_LOCAL void duk__emit_a_b_c(duk_compiler_ctx *comp_ctx, duk_small_uint_t op_f
}
}
- /* Slot C */
+ /* Slot C: reg/const support, mapped to bit 1 of opcode. */
if (c & DUK__CONST_MARKER) {
DUK_ASSERT((op_flags & DUK__EMIT_FLAG_NO_SHUFFLE_C) == 0);
@@ -58817,7 +61961,13 @@ DUK_LOCAL void duk__emit_a_b_c(duk_compiler_ctx *comp_ctx, duk_small_uint_t op_f
#else
if (c <= 0xff) {
#endif
- ins |= DUK_ENC_OP_A_B_C(0, 0, 0, 0x100); /* const flag for C */
+ if (op_flags & DUK__EMIT_FLAG_BC_REGCONST) {
+ /* Opcode follows B/C reg/const convention. */
+ DUK_ASSERT((op & 0x02) == 0);
+ ins |= DUK_ENC_OP_A_B_C(0x02, 0, 0, 0); /* const flag for C */
+ } else {
+ DUK_D(DUK_DPRINT("C is const, opcode is not B/C reg/const: %x", op_flags));
+ }
} else if (c <= DUK_BC_BC_MAX) {
comp_ctx->curr_func.needs_shuffle = 1;
tmp = comp_ctx->curr_func.shuffle3;
@@ -58847,21 +61997,7 @@ DUK_LOCAL void duk__emit_a_b_c(duk_compiler_ctx *comp_ctx, duk_small_uint_t op_f
/* Output shuffle needed after main operation */
c_out = c;
} else {
- duk_small_int_t op = op_flags & 0xff;
- if (op == DUK_OP_EXTRA &&
- (a == DUK_EXTRAOP_INITGET || a == DUK_EXTRAOP_INITSET)) {
- /* Special shuffling for INITGET/INITSET, where slot C
- * identifies a register pair and cannot be shuffled
- * normally. Use an indirect variant instead.
- */
- DUK_ASSERT((op_flags & DUK__EMIT_FLAG_C_IS_TARGET) == 0);
- duk__emit_load_int32_noshuffle(comp_ctx, tmp, c);
- DUK_ASSERT(DUK_EXTRAOP_INITGETI == DUK_EXTRAOP_INITGET + 1);
- DUK_ASSERT(DUK_EXTRAOP_INITSETI == DUK_EXTRAOP_INITSET + 1);
- a++; /* indirect opcode follows direct */
- } else {
- duk__emit(comp_ctx, DUK_ENC_OP_A_BC(DUK_OP_LDREG, tmp, c));
- }
+ duk__emit(comp_ctx, DUK_ENC_OP_A_BC(DUK_OP_LDREG, tmp, c));
}
c = tmp;
} else {
@@ -58903,6 +62039,16 @@ DUK_LOCAL void duk__emit_a_b_c(duk_compiler_ctx *comp_ctx, duk_small_uint_t op_f
DUK_ASSERT(b_out < 0);
DUK_ASSERT(c_out < 0);
duk__emit(comp_ctx, DUK_ENC_OP_A_BC(DUK_OP_STREG, a, a_out));
+
+ if (op == DUK_OP_CSVAR) {
+ /* Special handling for CSVAR shuffling. The variable lookup
+ * results in a <value, this binding> pair in successive
+ * registers so use two shuffle registers and two output
+ * loads. (In practice this is dead code because temp/const
+ * limit is reached first.)
+ */
+ duk__emit(comp_ctx, DUK_ENC_OP_A_BC(DUK_OP_STREG, a + 1, a_out + 1));
+ }
} else if (b_out >= 0) {
DUK_ASSERT(a_out < 0);
DUK_ASSERT(c_out < 0);
@@ -58919,16 +62065,45 @@ DUK_LOCAL void duk__emit_a_b_c(duk_compiler_ctx *comp_ctx, duk_small_uint_t op_f
DUK_ERROR_RANGE(comp_ctx->thr, DUK_STR_REG_LIMIT);
}
+/* For many of the helpers below it'd be technically correct to add
+ * "no shuffle" flags for parameters passed in as zero. For example,
+ * duk__emit_a_b() should call duk__emit_a_b_c() with C set to 0, and
+ * DUK__EMIT_FLAG_NO_SHUFFLE_C added to op_flags. However, since the
+ * C value is 0, it'll never get shuffled so adding the flag is just
+ * unnecessary additional code. This is unfortunately not true for
+ * "shuffle torture" mode which needs special handling.
+ */
+
DUK_LOCAL void duk__emit_a_b(duk_compiler_ctx *comp_ctx, duk_small_uint_t op_flags, duk_regconst_t a, duk_regconst_t b) {
- duk__emit_a_b_c(comp_ctx, op_flags | DUK__EMIT_FLAG_NO_SHUFFLE_C, a, b, 0);
+#if defined(DUK_USE_SHUFFLE_TORTURE)
+ op_flags |= DUK__EMIT_FLAG_NO_SHUFFLE_C;
+#endif
+ duk__emit_a_b_c(comp_ctx, op_flags, a, b, 0);
+}
+
+DUK_LOCAL void duk__emit_b_c(duk_compiler_ctx *comp_ctx, duk_small_uint_t op_flags, duk_regconst_t b, duk_regconst_t c) {
+#if defined(DUK_USE_SHUFFLE_TORTURE)
+ op_flags |= DUK__EMIT_FLAG_NO_SHUFFLE_A;
+#endif
+ duk__emit_a_b_c(comp_ctx, op_flags, 0, b, c);
}
#if 0 /* unused */
DUK_LOCAL void duk__emit_a(duk_compiler_ctx *comp_ctx, int op_flags, int a) {
- duk__emit_a_b_c(comp_ctx, op_flags | DUK__EMIT_FLAG_NO_SHUFFLE_B | DUK__EMIT_FLAG_NO_SHUFFLE_C, a, 0, 0);
+#if defined(DUK_USE_SHUFFLE_TORTURE)
+ op_flags |= DUK__EMIT_FLAG_NO_SHUFFLE_B | DUK__EMIT_FLAG_NO_SHUFFLE_C;
+#endif
+ duk__emit_a_b_c(comp_ctx, op_flags, a, 0, 0);
}
#endif
+DUK_LOCAL void duk__emit_b(duk_compiler_ctx *comp_ctx, duk_small_uint_t op_flags, duk_regconst_t b) {
+#if defined(DUK_USE_SHUFFLE_TORTURE)
+ op_flags |= DUK__EMIT_FLAG_NO_SHUFFLE_A | DUK__EMIT_FLAG_NO_SHUFFLE_C;
+#endif
+ duk__emit_a_b_c(comp_ctx, op_flags, 0, b, 0);
+}
+
DUK_LOCAL void duk__emit_a_bc(duk_compiler_ctx *comp_ctx, duk_small_uint_t op_flags, duk_regconst_t a, duk_regconst_t bc) {
duk_instr_t ins;
duk_int_t tmp;
@@ -58978,6 +62153,13 @@ DUK_LOCAL void duk__emit_a_bc(duk_compiler_ctx *comp_ctx, duk_small_uint_t op_fl
DUK_ERROR_RANGE(comp_ctx->thr, DUK_STR_REG_LIMIT);
}
+DUK_LOCAL void duk__emit_bc(duk_compiler_ctx *comp_ctx, duk_small_uint_t op, duk_regconst_t bc) {
+#if defined(DUK_USE_SHUFFLE_TORTURE)
+ op |= DUK__EMIT_FLAG_NO_SHUFFLE_A;
+#endif
+ duk__emit_a_bc(comp_ctx, op, 0, bc);
+}
+
DUK_LOCAL void duk__emit_abc(duk_compiler_ctx *comp_ctx, duk_small_uint_t op, duk_regconst_t abc) {
duk_instr_t ins;
@@ -59004,58 +62186,6 @@ DUK_LOCAL void duk__emit_abc(duk_compiler_ctx *comp_ctx, duk_small_uint_t op, du
DUK_ERROR_RANGE(comp_ctx->thr, DUK_STR_REG_LIMIT);
}
-DUK_LOCAL void duk__emit_extraop_b_c(duk_compiler_ctx *comp_ctx, duk_small_uint_t extraop_flags, duk_regconst_t b, duk_regconst_t c) {
- DUK_ASSERT_DISABLE((extraop_flags & 0xff) >= DUK_BC_EXTRAOP_MIN); /* unsigned */
- DUK_ASSERT((extraop_flags & 0xff) <= DUK_BC_EXTRAOP_MAX);
- /* Setting "no shuffle A" is covered by the assert, but it's needed
- * with DUK_USE_SHUFFLE_TORTURE.
- */
- duk__emit_a_b_c(comp_ctx,
- DUK_OP_EXTRA | DUK__EMIT_FLAG_NO_SHUFFLE_A | (extraop_flags & ~0xff), /* transfer flags */
- extraop_flags & 0xff,
- b,
- c);
-}
-
-DUK_LOCAL void duk__emit_extraop_b(duk_compiler_ctx *comp_ctx, duk_small_uint_t extraop_flags, duk_regconst_t b) {
- DUK_ASSERT_DISABLE((extraop_flags & 0xff) >= DUK_BC_EXTRAOP_MIN); /* unsigned */
- DUK_ASSERT((extraop_flags & 0xff) <= DUK_BC_EXTRAOP_MAX);
- /* Setting "no shuffle A" is covered by the assert, but it's needed
- * with DUK_USE_SHUFFLE_TORTURE.
- */
- duk__emit_a_b_c(comp_ctx,
- DUK_OP_EXTRA | DUK__EMIT_FLAG_NO_SHUFFLE_A | (extraop_flags & ~0xff), /* transfer flags */
- extraop_flags & 0xff,
- b,
- 0);
-}
-
-DUK_LOCAL void duk__emit_extraop_bc(duk_compiler_ctx *comp_ctx, duk_small_uint_t extraop, duk_regconst_t bc) {
- DUK_ASSERT_DISABLE(extraop >= DUK_BC_EXTRAOP_MIN); /* unsigned */
- DUK_ASSERT(extraop <= DUK_BC_EXTRAOP_MAX);
- /* Setting "no shuffle A" is covered by the assert, but it's needed
- * with DUK_USE_SHUFFLE_TORTURE.
- */
- duk__emit_a_bc(comp_ctx,
- DUK_OP_EXTRA | DUK__EMIT_FLAG_NO_SHUFFLE_A,
- extraop,
- bc);
-}
-
-DUK_LOCAL void duk__emit_extraop_only(duk_compiler_ctx *comp_ctx, duk_small_uint_t extraop_flags) {
- DUK_ASSERT_DISABLE((extraop_flags & 0xff) >= DUK_BC_EXTRAOP_MIN); /* unsigned */
- DUK_ASSERT((extraop_flags & 0xff) <= DUK_BC_EXTRAOP_MAX);
- /* Setting "no shuffle A" is covered by the assert, but it's needed
- * with DUK_USE_SHUFFLE_TORTURE.
- */
- duk__emit_a_b_c(comp_ctx,
- DUK_OP_EXTRA | DUK__EMIT_FLAG_NO_SHUFFLE_A | DUK__EMIT_FLAG_NO_SHUFFLE_B |
- DUK__EMIT_FLAG_NO_SHUFFLE_C | (extraop_flags & ~0xff), /* transfer flags */
- extraop_flags & 0xff,
- 0,
- 0);
-}
-
DUK_LOCAL void duk__emit_load_int32_raw(duk_compiler_ctx *comp_ctx, duk_reg_t reg, duk_int32_t val, duk_small_uint_t op_flags) {
/* XXX: Shuffling support could be implemented here so that LDINT+LDINTX
* would only shuffle once (instead of twice). The current code works
@@ -59113,7 +62243,7 @@ DUK_LOCAL duk_int_t duk__emit_jump_empty(duk_compiler_ctx *comp_ctx) {
duk_int_t ret;
ret = duk__get_current_pc(comp_ctx); /* useful for patching jumps later */
- duk__emit_abc(comp_ctx, DUK_OP_JUMP, 0);
+ duk__emit_op_only(comp_ctx, DUK_OP_JUMP);
return ret;
}
@@ -59211,7 +62341,7 @@ DUK_LOCAL void duk__patch_trycatch(duk_compiler_ctx *comp_ctx, duk_int_t ldconst
/* No catch variable, e.g. a try-finally; replace LDCONST with
* NOP to avoid a bogus LDCONST.
*/
- instr->ins = DUK_ENC_OP_A(DUK_OP_EXTRA, DUK_EXTRAOP_NOP);
+ instr->ins = DUK_ENC_OP(DUK_OP_NOP);
}
instr = duk__get_instr_ptr(comp_ctx, trycatch_pc);
@@ -59222,23 +62352,21 @@ DUK_LOCAL void duk__patch_trycatch(duk_compiler_ctx *comp_ctx, duk_int_t ldconst
}
DUK_LOCAL void duk__emit_if_false_skip(duk_compiler_ctx *comp_ctx, duk_regconst_t regconst) {
- duk__emit_a_b_c(comp_ctx,
- DUK_OP_IF | DUK__EMIT_FLAG_NO_SHUFFLE_A | DUK__EMIT_FLAG_NO_SHUFFLE_C,
- 0 /*false*/,
- regconst,
- 0 /*unused*/);
+ duk_small_uint_t op;
+
+ op = DUK__ISREG(regconst) ? DUK_OP_IFFALSE_R : DUK_OP_IFFALSE_C;
+ duk__emit_bc(comp_ctx, op, regconst); /* helper will remove const flag */
}
DUK_LOCAL void duk__emit_if_true_skip(duk_compiler_ctx *comp_ctx, duk_regconst_t regconst) {
- duk__emit_a_b_c(comp_ctx,
- DUK_OP_IF | DUK__EMIT_FLAG_NO_SHUFFLE_A | DUK__EMIT_FLAG_NO_SHUFFLE_C,
- 1 /*true*/,
- regconst,
- 0 /*unused*/);
+ duk_small_uint_t op;
+
+ op = DUK__ISREG(regconst) ? DUK_OP_IFTRUE_R : DUK_OP_IFTRUE_C;
+ duk__emit_bc(comp_ctx, op, regconst); /* helper will remove const flag */
}
DUK_LOCAL void duk__emit_invalid(duk_compiler_ctx *comp_ctx) {
- duk__emit_extraop_bc(comp_ctx, DUK_EXTRAOP_INVALID, 0);
+ duk__emit_op_only(comp_ctx, DUK_OP_INVALID);
}
/*
@@ -59312,15 +62440,6 @@ DUK_LOCAL void duk__peephole_optimize_bytecode(duk_compiler_ctx *comp_ctx) {
* Intermediate value helpers
*/
-#define DUK__ISREG(comp_ctx,x) (((x) & DUK__CONST_MARKER) == 0)
-#define DUK__ISCONST(comp_ctx,x) (((x) & DUK__CONST_MARKER) != 0)
-#define DUK__ISTEMP(comp_ctx,x) (DUK__ISREG((comp_ctx), (x)) && (duk_regconst_t) (x) >= (duk_regconst_t) ((comp_ctx)->curr_func.temp_first))
-#define DUK__GETTEMP(comp_ctx) ((comp_ctx)->curr_func.temp_next)
-#define DUK__SETTEMP(comp_ctx,x) ((comp_ctx)->curr_func.temp_next = (x)) /* dangerous: must only lower (temp_max not updated) */
-#define DUK__SETTEMP_CHECKMAX(comp_ctx,x) duk__settemp_checkmax((comp_ctx),(x))
-#define DUK__ALLOCTEMP(comp_ctx) duk__alloctemp((comp_ctx))
-#define DUK__ALLOCTEMPS(comp_ctx,count) duk__alloctemps((comp_ctx),(count))
-
/* Flags for intermediate value coercions. A flag for using a forced reg
* is not needed, the forced_reg argument suffices and generates better
* code (it is checked as it is used).
@@ -59355,6 +62474,30 @@ DUK_LOCAL void duk__dump_ivalue(duk_compiler_ctx *comp_ctx, duk_ivalue *x) {
#define DUK__DUMP_IVALUE(comp_ctx,x) do {} while (0)
#endif
+DUK_LOCAL void duk__ivalue_regconst(duk_ivalue *x, duk_regconst_t regconst) {
+ x->t = DUK_IVAL_PLAIN;
+ x->x1.t = DUK_ISPEC_REGCONST;
+ x->x1.regconst = (duk_regconst_t) regconst;
+}
+
+DUK_LOCAL void duk__ivalue_plain_fromstack(duk_compiler_ctx *comp_ctx, duk_ivalue *x) {
+ x->t = DUK_IVAL_PLAIN;
+ x->x1.t = DUK_ISPEC_VALUE;
+ duk_replace((duk_context *) comp_ctx->thr, x->x1.valstack_idx);
+}
+
+DUK_LOCAL void duk__ivalue_var_fromstack(duk_compiler_ctx *comp_ctx, duk_ivalue *x) {
+ x->t = DUK_IVAL_VAR;
+ x->x1.t = DUK_ISPEC_VALUE;
+ duk_replace((duk_context *) comp_ctx->thr, x->x1.valstack_idx);
+}
+
+DUK_LOCAL_DECL void duk__ivalue_var_hstring(duk_compiler_ctx *comp_ctx, duk_ivalue *x, duk_hstring *h) {
+ DUK_ASSERT(h != NULL);
+ duk_push_hstring((duk_context *) comp_ctx->thr, h);
+ duk__ivalue_var_fromstack(comp_ctx, x);
+}
+
DUK_LOCAL void duk__copy_ispec(duk_compiler_ctx *comp_ctx, duk_ispec *src, duk_ispec *dst) {
duk_context *ctx = (duk_context *) comp_ctx->thr;
@@ -59376,26 +62519,6 @@ DUK_LOCAL void duk__copy_ivalue(duk_compiler_ctx *comp_ctx, duk_ivalue *src, duk
duk_copy(ctx, src->x2.valstack_idx, dst->x2.valstack_idx);
}
-/* XXX: to util */
-DUK_LOCAL duk_bool_t duk__is_whole_get_int32(duk_double_t x, duk_int32_t *ival) {
- duk_small_int_t c;
- duk_int32_t t;
-
- c = DUK_FPCLASSIFY(x);
- if (c == DUK_FP_NORMAL || (c == DUK_FP_ZERO && !DUK_SIGNBIT(x))) {
- /* Don't allow negative zero as it will cause trouble with
- * LDINT+LDINTX. But positive zero is OK.
- */
- t = (duk_int32_t) x;
- if ((duk_double_t) t == x) {
- *ival = t;
- return 1;
- }
- }
-
- return 0;
-}
-
DUK_LOCAL duk_reg_t duk__alloctemps(duk_compiler_ctx *comp_ctx, duk_small_int_t num) {
duk_reg_t res;
@@ -59440,7 +62563,7 @@ DUK_LOCAL duk_regconst_t duk__getconst(duk_compiler_ctx *comp_ctx) {
#if defined(DUK_USE_FASTINT)
/* Explicit check for fastint downgrade. */
- DUK_TVAL_CHKFAST_INPLACE(tv1);
+ DUK_TVAL_CHKFAST_INPLACE_SLOW(tv1);
#endif
/* Sanity workaround for handling functions with a large number of
@@ -59472,6 +62595,23 @@ DUK_LOCAL duk_regconst_t duk__getconst(duk_compiler_ctx *comp_ctx) {
return (duk_regconst_t) (n | DUK__CONST_MARKER);
}
+DUK_LOCAL duk_bool_t duk__const_needs_refcount(duk_compiler_ctx *comp_ctx, duk_regconst_t rc) {
+#if defined(DUK_USE_REFERENCE_COUNTING)
+ duk_context *ctx = (duk_context *) comp_ctx->thr;
+ duk_compiler_func *f = &comp_ctx->curr_func;
+ duk_bool_t ret;
+
+ DUK_ASSERT((rc & DUK__CONST_MARKER) == 0); /* caller removes const marker */
+ (void) duk_get_prop_index(ctx, f->consts_idx, (duk_uarridx_t) rc);
+ ret = !duk_is_number(ctx, -1); /* now only number/string, so conservative check */
+ duk_pop(ctx);
+ return ret;
+#else
+ DUK_ASSERT((rc & DUK__CONST_MARKER) == 0); /* caller removes const marker */
+ return 0;
+#endif
+}
+
/* Get the value represented by an duk_ispec to a register or constant.
* The caller can control the result by indicating whether or not:
*
@@ -59521,19 +62661,19 @@ duk_regconst_t duk__ispec_toregconst_raw(duk_compiler_ctx *comp_ctx,
* the 'void' operator.
*/
duk_reg_t dest = (forced_reg >= 0 ? forced_reg : DUK__ALLOCTEMP(comp_ctx));
- duk__emit_extraop_bc(comp_ctx, DUK_EXTRAOP_LDUNDEF, (duk_regconst_t) dest);
+ duk__emit_bc(comp_ctx, DUK_OP_LDUNDEF, (duk_regconst_t) dest);
return (duk_regconst_t) dest;
}
case DUK_TAG_NULL: {
duk_reg_t dest = (forced_reg >= 0 ? forced_reg : DUK__ALLOCTEMP(comp_ctx));
- duk__emit_extraop_bc(comp_ctx, DUK_EXTRAOP_LDNULL, (duk_regconst_t) dest);
+ duk__emit_bc(comp_ctx, DUK_OP_LDNULL, (duk_regconst_t) dest);
return (duk_regconst_t) dest;
}
case DUK_TAG_BOOLEAN: {
duk_reg_t dest = (forced_reg >= 0 ? forced_reg : DUK__ALLOCTEMP(comp_ctx));
- duk__emit_extraop_bc(comp_ctx,
- (DUK_TVAL_GET_BOOLEAN(tv) ? DUK_EXTRAOP_LDTRUE : DUK_EXTRAOP_LDFALSE),
- (duk_regconst_t) dest);
+ duk__emit_bc(comp_ctx,
+ (DUK_TVAL_GET_BOOLEAN(tv) ? DUK_OP_LDTRUE : DUK_OP_LDFALSE),
+ (duk_regconst_t) dest);
return (duk_regconst_t) dest;
}
case DUK_TAG_POINTER: {
@@ -59601,7 +62741,7 @@ duk_regconst_t duk__ispec_toregconst_raw(duk_compiler_ctx *comp_ctx,
* Currently always prefer LDINT+LDINTX over a double constant.
*/
- if (duk__is_whole_get_int32(dval, &ival)) {
+ if (duk_is_whole_get_int32_nonegzero(dval, &ival)) {
dest = (forced_reg >= 0 ? forced_reg : DUK__ALLOCTEMP(comp_ctx));
duk__emit_load_int32(comp_ctx, dest, ival);
return (duk_regconst_t) dest;
@@ -59656,7 +62796,7 @@ duk_regconst_t duk__ispec_toregconst_raw(duk_compiler_ctx *comp_ctx,
}
}
- DUK_ERROR_INTERNAL_DEFMSG(thr);
+ DUK_ERROR_INTERNAL(thr);
return 0;
}
@@ -59688,8 +62828,7 @@ DUK_LOCAL void duk__ivalue_toplain_raw(duk_compiler_ctx *comp_ctx, duk_ivalue *x
return;
}
/* XXX: support unary arithmetic ivalues (useful?) */
- case DUK_IVAL_ARITH:
- case DUK_IVAL_ARITH_EXTRAOP: {
+ case DUK_IVAL_ARITH: {
duk_regconst_t arg1;
duk_regconst_t arg2;
duk_reg_t dest;
@@ -59714,19 +62853,23 @@ DUK_LOCAL void duk__ivalue_toplain_raw(duk_compiler_ctx *comp_ctx, duk_ivalue *x
duk_double_t d1 = DUK_TVAL_GET_NUMBER(tv1);
duk_double_t d2 = DUK_TVAL_GET_NUMBER(tv2);
duk_double_t d3;
- duk_bool_t accept = 1;
+ duk_bool_t accept_fold = 1;
DUK_DDD(DUK_DDDPRINT("arith inline check: d1=%lf, d2=%lf, op=%ld",
(double) d1, (double) d2, (long) x->op));
switch (x->op) {
- case DUK_OP_ADD: d3 = d1 + d2; break;
- case DUK_OP_SUB: d3 = d1 - d2; break;
- case DUK_OP_MUL: d3 = d1 * d2; break;
- case DUK_OP_DIV: d3 = d1 / d2; break;
- default: accept = 0; break;
+ case DUK_OP_ADD: d3 = d1 + d2; break;
+ case DUK_OP_SUB: d3 = d1 - d2; break;
+ case DUK_OP_MUL: d3 = d1 * d2; break;
+ case DUK_OP_DIV: d3 = d1 / d2; break;
+ case DUK_OP_EXP: {
+ d3 = (duk_double_t) duk_js_arith_pow((double) d1, (double) d2);
+ break;
+ }
+ default: accept_fold = 0; break;
}
- if (accept) {
+ if (accept_fold) {
duk_double_union du;
du.d = d3;
DUK_DBLUNION_NORMALIZE_NAN_CHECK(&du);
@@ -59738,7 +62881,9 @@ DUK_LOCAL void duk__ivalue_toplain_raw(duk_compiler_ctx *comp_ctx, duk_ivalue *x
return;
}
} else if (x->op == DUK_OP_ADD && DUK_TVAL_IS_STRING(tv1) && DUK_TVAL_IS_STRING(tv2)) {
- /* inline string concatenation */
+ /* Inline string concatenation. No need to check for
+ * symbols, as all inputs are valid Ecmascript strings.
+ */
duk_dup(ctx, x->x1.valstack_idx);
duk_dup(ctx, x->x2.valstack_idx);
duk_concat(ctx, 2);
@@ -59754,66 +62899,21 @@ DUK_LOCAL void duk__ivalue_toplain_raw(duk_compiler_ctx *comp_ctx, duk_ivalue *x
/* If forced reg, use it as destination. Otherwise try to
* use either coerced ispec if it is a temporary.
- *
- * When using extraops, avoid reusing arg2 as dest because that
- * would lead to an LDREG shuffle below. We still can't guarantee
- * dest != arg2 because we may have a forced_reg.
*/
if (forced_reg >= 0) {
dest = forced_reg;
} else if (DUK__ISTEMP(comp_ctx, arg1)) {
dest = (duk_reg_t) arg1;
- } else if (DUK__ISTEMP(comp_ctx, arg2) && x->t != DUK_IVAL_ARITH_EXTRAOP) {
+ } else if (DUK__ISTEMP(comp_ctx, arg2)) {
dest = (duk_reg_t) arg2;
} else {
dest = DUK__ALLOCTEMP(comp_ctx);
}
- /* Extraop arithmetic opcodes must have destination same as
- * first source. If second source matches destination we need
- * a temporary register to avoid clobbering the second source.
- *
- * XXX: change calling code to avoid this situation in most cases.
- */
-
- if (x->t == DUK_IVAL_ARITH_EXTRAOP) {
- if (!(DUK__ISREG(comp_ctx, arg1) && (duk_reg_t) arg1 == dest)) {
- if (DUK__ISREG(comp_ctx, arg2) && (duk_reg_t) arg2 == dest) {
- /* arg2 would be clobbered so reassign it to a temp. */
- duk_reg_t tempreg;
- tempreg = DUK__ALLOCTEMP(comp_ctx);
- duk__emit_a_bc(comp_ctx, DUK_OP_LDREG, tempreg, arg2);
- arg2 = tempreg;
- }
-
- if (DUK__ISREG(comp_ctx, arg1)) {
- duk__emit_a_bc(comp_ctx, DUK_OP_LDREG, dest, arg1);
- } else {
- DUK_ASSERT(DUK__ISCONST(comp_ctx, arg1));
- duk__emit_a_bc(comp_ctx, DUK_OP_LDCONST, dest, arg1);
- }
- }
-
- /* Note: special DUK__EMIT_FLAG_B_IS_TARGETSOURCE
- * used to indicate that B is both a source and a
- * target register. When shuffled, it needs to be
- * both input and output shuffled.
- */
- DUK_ASSERT(DUK__ISREG(comp_ctx, dest));
- duk__emit_extraop_b_c(comp_ctx,
- x->op | DUK__EMIT_FLAG_B_IS_TARGET |
- DUK__EMIT_FLAG_B_IS_TARGETSOURCE,
- (duk_regconst_t) dest,
- (duk_regconst_t) arg2);
-
- } else {
- DUK_ASSERT(DUK__ISREG(comp_ctx, dest));
- duk__emit_a_b_c(comp_ctx, x->op, (duk_regconst_t) dest, arg1, arg2);
- }
+ DUK_ASSERT(DUK__ISREG(dest));
+ duk__emit_a_b_c(comp_ctx, x->op | DUK__EMIT_FLAG_BC_REGCONST, (duk_regconst_t) dest, arg1, arg2);
- x->t = DUK_IVAL_PLAIN;
- x->x1.t = DUK_ISPEC_REGCONST;
- x->x1.regconst = (duk_regconst_t) dest;
+ duk__ivalue_regconst(x, (duk_regconst_t) dest);
return;
}
case DUK_IVAL_PROP: {
@@ -59845,11 +62945,13 @@ DUK_LOCAL void duk__ivalue_toplain_raw(duk_compiler_ctx *comp_ctx, duk_ivalue *x
dest = DUK__ALLOCTEMP(comp_ctx);
}
- duk__emit_a_b_c(comp_ctx, DUK_OP_GETPROP, (duk_regconst_t) dest, arg1, arg2);
+ duk__emit_a_b_c(comp_ctx,
+ DUK_OP_GETPROP | DUK__EMIT_FLAG_BC_REGCONST,
+ (duk_regconst_t) dest,
+ arg1,
+ arg2);
- x->t = DUK_IVAL_PLAIN;
- x->x1.t = DUK_ISPEC_REGCONST;
- x->x1.regconst = (duk_regconst_t) dest;
+ duk__ivalue_regconst(x, (duk_regconst_t) dest);
return;
}
case DUK_IVAL_VAR: {
@@ -59862,15 +62964,11 @@ DUK_LOCAL void duk__ivalue_toplain_raw(duk_compiler_ctx *comp_ctx, duk_ivalue *x
duk_dup(ctx, x->x1.valstack_idx);
if (duk__lookup_lhs(comp_ctx, &reg_varbind, &rc_varname)) {
- x->t = DUK_IVAL_PLAIN;
- x->x1.t = DUK_ISPEC_REGCONST;
- x->x1.regconst = (duk_regconst_t) reg_varbind;
+ duk__ivalue_regconst(x, (duk_regconst_t) reg_varbind);
} else {
dest = (forced_reg >= 0 ? forced_reg : DUK__ALLOCTEMP(comp_ctx));
duk__emit_a_bc(comp_ctx, DUK_OP_GETVAR, (duk_regconst_t) dest, rc_varname);
- x->t = DUK_IVAL_PLAIN;
- x->x1.t = DUK_ISPEC_REGCONST;
- x->x1.regconst = (duk_regconst_t) dest;
+ duk__ivalue_regconst(x, (duk_regconst_t) dest);
}
return;
}
@@ -59881,7 +62979,7 @@ DUK_LOCAL void duk__ivalue_toplain_raw(duk_compiler_ctx *comp_ctx, duk_ivalue *x
}
}
- DUK_ERROR_INTERNAL_DEFMSG(thr);
+ DUK_ERROR_INTERNAL(thr);
return;
}
@@ -59938,8 +63036,7 @@ duk_regconst_t duk__ivalue_toregconst_raw(duk_compiler_ctx *comp_ctx,
/* then to a register */
reg = duk__ispec_toregconst_raw(comp_ctx, &x->x1, forced_reg, flags);
- x->x1.t = DUK_ISPEC_REGCONST;
- x->x1.regconst = reg;
+ duk__ivalue_regconst(x, (duk_regconst_t) reg);
return reg;
}
@@ -59992,8 +63089,7 @@ DUK_LOCAL duk_reg_t duk__lookup_active_register_binding(duk_compiler_ctx *comp_c
* Special name handling
*/
- h_varname = duk_get_hstring(ctx, -1);
- DUK_ASSERT(h_varname != NULL);
+ h_varname = duk_known_hstring(ctx, -1);
if (h_varname == DUK_HTHREAD_STRING_LC_ARGUMENTS(thr)) {
DUK_DDD(DUK_DDDPRINT("flagging function as accessing 'arguments'"));
@@ -60007,7 +63103,7 @@ DUK_LOCAL duk_reg_t duk__lookup_active_register_binding(duk_compiler_ctx *comp_c
if (comp_ctx->curr_func.with_depth > 0) {
DUK_DDD(DUK_DDDPRINT("identifier lookup inside a 'with' -> fall back to slow path"));
- goto slow_path;
+ goto slow_path_own;
}
/*
@@ -60024,17 +63120,34 @@ DUK_LOCAL duk_reg_t duk__lookup_active_register_binding(duk_compiler_ctx *comp_c
duk_pop(ctx);
} else {
duk_pop(ctx);
- goto slow_path;
+ if (comp_ctx->curr_func.catch_depth > 0 || comp_ctx->curr_func.with_depth > 0) {
+ DUK_DDD(DUK_DDDPRINT("slow path access from inside a try-catch or with needs _Varmap"));
+ goto slow_path_own;
+ } else {
+ /* In this case we're doing a variable lookup that doesn't
+ * match our own variables, so _Varmap won't be needed at
+ * run time.
+ */
+ DUK_DDD(DUK_DDDPRINT("slow path access outside of try-catch and with, no need for _Varmap"));
+ goto slow_path_notown;
+ }
}
DUK_DDD(DUK_DDDPRINT("identifier lookup -> reg %ld", (long) ret));
return ret;
- slow_path:
- DUK_DDD(DUK_DDDPRINT("identifier lookup -> slow path"));
+ slow_path_notown:
+ DUK_DDD(DUK_DDDPRINT("identifier lookup -> slow path, not own variable"));
comp_ctx->curr_func.id_access_slow = 1;
return (duk_reg_t) -1;
+
+ slow_path_own:
+ DUK_DDD(DUK_DDDPRINT("identifier lookup -> slow path, may be own variable"));
+
+ comp_ctx->curr_func.id_access_slow = 1;
+ comp_ctx->curr_func.id_access_slow_own = 1;
+ return (duk_reg_t) -1;
}
/* Lookup an identifier name in the current varmap, indicating whether the
@@ -60258,13 +63371,9 @@ DUK_LOCAL void duk__lookup_active_label(duk_compiler_ctx *comp_ctx, duk_hstring
DUK_LOCAL void duk__reset_labels_to_length(duk_compiler_ctx *comp_ctx, duk_int_t len) {
duk_hthread *thr = comp_ctx->thr;
duk_context *ctx = (duk_context *) thr;
- duk_size_t new_size;
- /* XXX: duk_set_length */
- new_size = sizeof(duk_labelinfo) * (duk_size_t) len;
- duk_push_int(ctx, len);
- duk_put_prop_stridx(ctx, comp_ctx->curr_func.labelnames_idx, DUK_STRIDX_LENGTH);
- duk_hbuffer_resize(thr, comp_ctx->curr_func.h_labelinfos, new_size);
+ duk_set_length(ctx, comp_ctx->curr_func.labelnames_idx, (duk_size_t) len);
+ duk_hbuffer_resize(thr, comp_ctx->curr_func.h_labelinfos, sizeof(duk_labelinfo) * (duk_size_t) len);
}
/*
@@ -60298,10 +63407,7 @@ DUK_LOCAL void duk__nud_array_literal(duk_compiler_ctx *comp_ctx, duk_ivalue *re
max_init_values = DUK__MAX_ARRAY_INIT_VALUES; /* XXX: depend on available temps? */
reg_obj = DUK__ALLOCTEMP(comp_ctx);
- duk__emit_extraop_b_c(comp_ctx,
- DUK_EXTRAOP_NEWARR | DUK__EMIT_FLAG_B_IS_TARGET,
- reg_obj,
- 0); /* XXX: patch initial size afterwards? */
+ duk__emit_bc(comp_ctx, DUK_OP_NEWARR, reg_obj); /* XXX: patch initial size hint afterwards? */
temp_start = DUK__GETTEMP(comp_ctx);
/*
@@ -60393,7 +63499,7 @@ DUK_LOCAL void duk__nud_array_literal(duk_compiler_ctx *comp_ctx, duk_ivalue *re
DUK__EMIT_FLAG_A_IS_SOURCE,
(duk_regconst_t) reg_obj,
(duk_regconst_t) temp_start,
- (duk_regconst_t) num_values);
+ (duk_regconst_t) (num_values + 1));
init_idx = start_idx + num_values;
/* num_values and temp_start reset at top of outer loop */
@@ -60412,91 +63518,74 @@ DUK_LOCAL void duk__nud_array_literal(duk_compiler_ctx *comp_ctx, duk_ivalue *re
DUK_DDD(DUK_DDDPRINT("array literal has trailing elisions which affect its length"));
reg_temp = DUK__ALLOCTEMP(comp_ctx);
duk__emit_load_int32(comp_ctx, reg_temp, (duk_int_t) curr_idx);
- duk__emit_extraop_b_c(comp_ctx,
- DUK_EXTRAOP_SETALEN,
- (duk_regconst_t) reg_obj,
- (duk_regconst_t) reg_temp);
+ duk__emit_a_bc(comp_ctx,
+ DUK_OP_SETALEN | DUK__EMIT_FLAG_A_IS_SOURCE,
+ (duk_regconst_t) reg_obj,
+ (duk_regconst_t) reg_temp);
}
DUK__SETTEMP(comp_ctx, temp_start);
- res->t = DUK_IVAL_PLAIN;
- res->x1.t = DUK_ISPEC_REGCONST;
- res->x1.regconst = (duk_regconst_t) reg_obj;
+ duk__ivalue_regconst(res, (duk_regconst_t) reg_obj);
return;
syntax_error:
DUK_ERROR_SYNTAX(thr, DUK_STR_INVALID_ARRAY_LITERAL);
}
-/* duplicate/invalid key checks; returns 1 if syntax error */
-DUK_LOCAL duk_bool_t duk__nud_object_literal_key_check(duk_compiler_ctx *comp_ctx, duk_small_uint_t new_key_flags) {
- duk_hthread *thr = comp_ctx->thr;
- duk_context *ctx = (duk_context *) thr;
- duk_small_uint_t key_flags;
-
- /* [ ... key_obj key ] */
-
- DUK_ASSERT(duk_is_string(ctx, -1));
-
- /*
- * 'key_obj' tracks keys encountered so far by associating an
- * integer with flags with already encountered keys. The checks
- * below implement E5 Section 11.1.5, step 4 for production:
- *
- * PropertyNameAndValueList: PropertyNameAndValueList , PropertyAssignment
- */
-
- duk_dup(ctx, -1); /* [ ... key_obj key key ] */
- duk_get_prop(ctx, -3); /* [ ... key_obj key val ] */
- key_flags = duk_to_int(ctx, -1);
- duk_pop(ctx); /* [ ... key_obj key ] */
-
- if (new_key_flags & DUK__OBJ_LIT_KEY_PLAIN) {
- if ((key_flags & DUK__OBJ_LIT_KEY_PLAIN) && comp_ctx->curr_func.is_strict) {
- /* step 4.a */
- DUK_DDD(DUK_DDDPRINT("duplicate key: plain key appears twice in strict mode"));
- return 1;
- }
- if (key_flags & (DUK__OBJ_LIT_KEY_GET | DUK__OBJ_LIT_KEY_SET)) {
- /* step 4.c */
- DUK_DDD(DUK_DDDPRINT("duplicate key: plain key encountered after setter/getter"));
- return 1;
- }
+typedef struct {
+ duk_reg_t reg_obj;
+ duk_reg_t temp_start;
+ duk_small_uint_t num_pairs;
+} duk__objlit_state;
+
+DUK_LOCAL void duk__objlit_flush_keys(duk_compiler_ctx *comp_ctx, duk__objlit_state *st) {
+ if (st->num_pairs > 0) {
+ /* - A is a source register (it's not a write target, but used
+ * to identify the target object) but can be shuffled.
+ * - B cannot be shuffled normally because it identifies a range
+ * of registers, the emitter has special handling for this
+ * (the "no shuffle" flag must not be set).
+ * - C is a non-register number and cannot be shuffled, but
+ * never needs to be.
+ */
+ DUK_ASSERT(st->num_pairs > 0);
+ duk__emit_a_b_c(comp_ctx,
+ DUK_OP_MPUTOBJ |
+ DUK__EMIT_FLAG_NO_SHUFFLE_C |
+ DUK__EMIT_FLAG_A_IS_SOURCE,
+ st->reg_obj,
+ st->temp_start,
+ st->num_pairs * 2);
+ st->num_pairs = 0;
+ }
+ DUK__SETTEMP(comp_ctx, st->temp_start);
+}
+
+DUK_LOCAL duk_bool_t duk__objlit_load_key(duk_compiler_ctx *comp_ctx, duk_ivalue *res, duk_token *tok, duk_reg_t reg_temp) {
+ if (tok->t_nores == DUK_TOK_IDENTIFIER || tok->t_nores == DUK_TOK_STRING) {
+ /* same handling for identifiers and strings */
+ DUK_ASSERT(tok->str1 != NULL);
+ duk_push_hstring((duk_context *) comp_ctx->thr, tok->str1);
+ } else if (tok->t == DUK_TOK_NUMBER) {
+ /* numbers can be loaded as numbers and coerced on the fly */
+ duk_push_number((duk_context *) comp_ctx->thr, tok->num);
} else {
- if (key_flags & DUK__OBJ_LIT_KEY_PLAIN) {
- /* step 4.b */
- DUK_DDD(DUK_DDDPRINT("duplicate key: getter/setter encountered after plain key"));
- return 1;
- }
- if (key_flags & new_key_flags) {
- /* step 4.d */
- DUK_DDD(DUK_DDDPRINT("duplicate key: getter/setter encountered twice"));
- return 1;
- }
+ return 1; /* error */
}
- new_key_flags |= key_flags;
- DUK_DDD(DUK_DDDPRINT("setting/updating key %!T flags: 0x%08lx -> 0x%08lx",
- (duk_tval *) duk_get_tval(ctx, -1),
- (unsigned long) key_flags,
- (unsigned long) new_key_flags));
- duk_dup(ctx, -1);
- duk_push_int(ctx, new_key_flags); /* [ ... key_obj key key flags ] */
- duk_put_prop(ctx, -4); /* [ ... key_obj key ] */
-
+ duk__ivalue_plain_fromstack(comp_ctx, res);
+ DUK__SETTEMP(comp_ctx, reg_temp + 1);
+ duk__ivalue_toforcedreg(comp_ctx, res, reg_temp);
+ DUK__SETTEMP(comp_ctx, reg_temp + 1);
return 0;
}
DUK_LOCAL void duk__nud_object_literal(duk_compiler_ctx *comp_ctx, duk_ivalue *res) {
duk_hthread *thr = comp_ctx->thr;
- duk_context *ctx = (duk_context *) thr;
- duk_reg_t reg_obj; /* result reg */
- duk_reg_t reg_key; /* temp reg for key literal */
+ duk__objlit_state st;
duk_reg_t reg_temp; /* temp reg */
- duk_reg_t temp_start; /* temp reg value for start of loop */
duk_small_uint_t max_init_pairs; /* max # of key-value pairs initialized in one MPUTOBJ set */
- duk_small_uint_t num_pairs; /* number of pairs in current MPUTOBJ set */
duk_bool_t first; /* first value: comma must not precede the value */
duk_bool_t is_set, is_get; /* temps */
@@ -60504,15 +63593,11 @@ DUK_LOCAL void duk__nud_object_literal(duk_compiler_ctx *comp_ctx, duk_ivalue *r
max_init_pairs = DUK__MAX_OBJECT_INIT_PAIRS; /* XXX: depend on available temps? */
- reg_obj = DUK__ALLOCTEMP(comp_ctx);
- duk__emit_extraop_b_c(comp_ctx,
- DUK_EXTRAOP_NEWOBJ | DUK__EMIT_FLAG_B_IS_TARGET,
- reg_obj,
- 0); /* XXX: patch initial size afterwards? */
- temp_start = DUK__GETTEMP(comp_ctx);
+ st.reg_obj = DUK__ALLOCTEMP(comp_ctx); /* target object */
+ st.temp_start = DUK__GETTEMP(comp_ctx); /* start of MPUTOBJ argument list */
+ st.num_pairs = 0; /* number of key/value pairs emitted for current MPUTOBJ set */
- /* temp object for tracking / detecting duplicate keys */
- duk_push_object(ctx);
+ duk__emit_bc(comp_ctx, DUK_OP_NEWOBJ, st.reg_obj); /* XXX: patch initial size hint afterwards? */
/*
* Emit initializers in sets of maximum max_init_pairs keys.
@@ -60523,207 +63608,187 @@ DUK_LOCAL void duk__nud_object_literal(duk_compiler_ctx *comp_ctx, duk_ivalue *r
first = 1;
for (;;) {
- num_pairs = 0;
- DUK__SETTEMP(comp_ctx, temp_start);
+ /*
+ * ES5 and ES2015+ provide a lot of different PropertyDefinition
+ * formats, see http://www.ecma-international.org/ecma-262/6.0/#sec-object-initializer.
+ *
+ * PropertyName can be IdentifierName (includes reserved words), a string
+ * literal, or a number literal. Note that IdentifierName allows 'get' and
+ * 'set' too, so we need to look ahead to the next token to distinguish:
+ *
+ * { get : 1 }
+ *
+ * and
+ *
+ * { get foo() { return 1 } }
+ * { get get() { return 1 } } // 'get' as getter propertyname
+ *
+ * Finally, a trailing comma is allowed.
+ *
+ * Key name is coerced to string at compile time (and ends up as a
+ * a string constant) even for numeric keys (e.g. "{1:'foo'}").
+ * These could be emitted using e.g. LDINT, but that seems hardly
+ * worth the effort and would increase code size.
+ */
+
+ DUK_DDD(DUK_DDDPRINT("object literal loop, curr_token->t = %ld",
+ (long) comp_ctx->curr_token.t));
if (comp_ctx->curr_token.t == DUK_TOK_RCURLY) {
break;
}
- for (;;) {
- /*
- * Three possible element formats:
- * 1) PropertyName : AssignmentExpression
- * 2) get PropertyName () { FunctionBody }
- * 3) set PropertyName ( PropertySetParameterList ) { FunctionBody }
- *
- * PropertyName can be IdentifierName (includes reserved words), a string
- * literal, or a number literal. Note that IdentifierName allows 'get' and
- * 'set' too, so we need to look ahead to the next token to distinguish:
- *
- * { get : 1 }
- *
- * and
- *
- * { get foo() { return 1 } }
- * { get get() { return 1 } } // 'get' as getter propertyname
- *
- * Finally, a trailing comma is allowed.
- *
- * Key name is coerced to string at compile time (and ends up as a
- * a string constant) even for numeric keys (e.g. "{1:'foo'}").
- * These could be emitted using e.g. LDINT, but that seems hardly
- * worth the effort and would increase code size.
- */
-
- DUK_DDD(DUK_DDDPRINT("object literal inner loop, curr_token->t = %ld",
- (long) comp_ctx->curr_token.t));
-
- if (comp_ctx->curr_token.t == DUK_TOK_RCURLY) {
- /* the outer loop will recheck and exit */
- break;
+ if (first) {
+ first = 0;
+ } else {
+ if (comp_ctx->curr_token.t != DUK_TOK_COMMA) {
+ goto syntax_error;
}
- if (num_pairs >= max_init_pairs) {
- /* MPUTOBJ emitted by outer loop */
+ duk__advance(comp_ctx);
+ if (comp_ctx->curr_token.t == DUK_TOK_RCURLY) {
+ /* trailing comma followed by rcurly */
break;
}
+ }
- if (first) {
- first = 0;
- } else {
- if (comp_ctx->curr_token.t != DUK_TOK_COMMA) {
- goto syntax_error;
- }
- duk__advance(comp_ctx);
- if (comp_ctx->curr_token.t == DUK_TOK_RCURLY) {
- /* trailing comma followed by rcurly */
- break;
- }
+ /* Advance to get one step of lookup. */
+ duk__advance(comp_ctx);
+
+ /* Flush current MPUTOBJ if enough many pairs gathered. */
+ if (st.num_pairs >= max_init_pairs) {
+ duk__objlit_flush_keys(comp_ctx, &st);
+ DUK_ASSERT(st.num_pairs == 0);
+ }
+
+ /* Reset temp register state and reserve reg_temp and
+ * reg_temp + 1 for handling the current property.
+ */
+ DUK__SETTEMP(comp_ctx, st.temp_start + 2 * st.num_pairs);
+ reg_temp = DUK__ALLOCTEMPS(comp_ctx, 2);
+
+ /* NOTE: "get" and "set" are not officially ReservedWords and the lexer
+ * currently treats them always like ordinary identifiers (DUK_TOK_GET
+ * and DUK_TOK_SET are unused). They need to be detected based on the
+ * identifier string content.
+ */
+
+ is_get = (comp_ctx->prev_token.t == DUK_TOK_IDENTIFIER &&
+ comp_ctx->prev_token.str1 == DUK_HTHREAD_STRING_GET(thr));
+ is_set = (comp_ctx->prev_token.t == DUK_TOK_IDENTIFIER &&
+ comp_ctx->prev_token.str1 == DUK_HTHREAD_STRING_SET(thr));
+ if ((is_get || is_set) && comp_ctx->curr_token.t != DUK_TOK_COLON) {
+ /* getter/setter */
+ duk_int_t fnum;
+
+ duk__objlit_flush_keys(comp_ctx, &st);
+ DUK_ASSERT(DUK__GETTEMP(comp_ctx) == st.temp_start); /* 2 regs are guaranteed to be allocated w.r.t. temp_max */
+ reg_temp = DUK__ALLOCTEMPS(comp_ctx, 2);
+
+ if (duk__objlit_load_key(comp_ctx, res, &comp_ctx->curr_token, reg_temp) != 0) {
+ goto syntax_error;
}
- /* advance to get one step of lookup */
- duk__advance(comp_ctx);
+ /* curr_token = get/set name */
+ fnum = duk__parse_func_like_fnum(comp_ctx, DUK__FUNC_FLAG_GETSET);
- /* NOTE: "get" and "set" are not officially ReservedWords and the lexer
- * currently treats them always like ordinary identifiers (DUK_TOK_GET
- * and DUK_TOK_SET are unused). They need to be detected based on the
- * identifier string content.
+ duk__emit_a_bc(comp_ctx,
+ DUK_OP_CLOSURE,
+ (duk_regconst_t) (st.temp_start + 1),
+ (duk_regconst_t) fnum);
+
+ /* Slot C is used in a non-standard fashion (range of regs),
+ * emitter code has special handling for it (must not set the
+ * "no shuffle" flag).
*/
+ duk__emit_a_bc(comp_ctx,
+ (is_get ? DUK_OP_INITGET : DUK_OP_INITSET) | DUK__EMIT_FLAG_A_IS_SOURCE,
+ st.reg_obj,
+ st.temp_start); /* temp_start+0 = key, temp_start+1 = closure */
+
+ DUK_ASSERT(st.num_pairs == 0); /* temp state is reset on next loop */
+#if defined(DUK_USE_ES6)
+ } else if (comp_ctx->prev_token.t == DUK_TOK_IDENTIFIER &&
+ (comp_ctx->curr_token.t == DUK_TOK_COMMA || comp_ctx->curr_token.t == DUK_TOK_RCURLY)) {
+ duk_bool_t load_rc;
+
+ load_rc = duk__objlit_load_key(comp_ctx, res, &comp_ctx->prev_token, reg_temp);
+ DUK_UNREF(load_rc);
+ DUK_ASSERT(load_rc == 0); /* always succeeds because token is identifier */
+
+ duk__ivalue_var_hstring(comp_ctx, res, comp_ctx->prev_token.str1);
+ DUK_ASSERT(DUK__GETTEMP(comp_ctx) == reg_temp + 1);
+ duk__ivalue_toforcedreg(comp_ctx, res, reg_temp + 1);
+
+ st.num_pairs++;
+ } else if ((comp_ctx->prev_token.t == DUK_TOK_IDENTIFIER ||
+ comp_ctx->prev_token.t == DUK_TOK_STRING ||
+ comp_ctx->prev_token.t == DUK_TOK_NUMBER) &&
+ comp_ctx->curr_token.t == DUK_TOK_LPAREN) {
+ duk_int_t fnum;
- is_get = (comp_ctx->prev_token.t == DUK_TOK_IDENTIFIER &&
- comp_ctx->prev_token.str1 == DUK_HTHREAD_STRING_GET(thr));
- is_set = (comp_ctx->prev_token.t == DUK_TOK_IDENTIFIER &&
- comp_ctx->prev_token.str1 == DUK_HTHREAD_STRING_SET(thr));
- if ((is_get || is_set) && comp_ctx->curr_token.t != DUK_TOK_COLON) {
- /* getter/setter */
- duk_int_t fnum;
-
- if (comp_ctx->curr_token.t_nores == DUK_TOK_IDENTIFIER ||
- comp_ctx->curr_token.t_nores == DUK_TOK_STRING) {
- /* same handling for identifiers and strings */
- DUK_ASSERT(comp_ctx->curr_token.str1 != NULL);
- duk_push_hstring(ctx, comp_ctx->curr_token.str1);
- } else if (comp_ctx->curr_token.t == DUK_TOK_NUMBER) {
- duk_push_number(ctx, comp_ctx->curr_token.num);
- duk_to_string(ctx, -1);
- } else {
- goto syntax_error;
- }
+ /* Parsing-wise there's a small hickup here: the token parsing
+ * state is one step too advanced for the function parse helper
+ * compared to other cases. The current solution is an extra
+ * flag to indicate whether function parsing should use the
+ * current or the previous token to starting parsing from.
+ */
- DUK_ASSERT(duk_is_string(ctx, -1));
- if (duk__nud_object_literal_key_check(comp_ctx,
- (is_get ? DUK__OBJ_LIT_KEY_GET : DUK__OBJ_LIT_KEY_SET))) {
- goto syntax_error;
- }
- reg_key = duk__getconst(comp_ctx);
-
- if (num_pairs > 0) {
- /* - A is a source register (it's not a write target, but used
- * to identify the target object) but can be shuffled.
- * - B cannot be shuffled normally because it identifies a range
- * of registers, the emitter has special handling for this
- * (the "no shuffle" flag must not be set).
- * - C is a non-register number and cannot be shuffled, but
- * never needs to be.
- */
- duk__emit_a_b_c(comp_ctx,
- DUK_OP_MPUTOBJ |
- DUK__EMIT_FLAG_NO_SHUFFLE_C |
- DUK__EMIT_FLAG_A_IS_SOURCE,
- reg_obj,
- temp_start,
- num_pairs);
- num_pairs = 0;
- DUK__SETTEMP(comp_ctx, temp_start);
- }
+ if (duk__objlit_load_key(comp_ctx, res, &comp_ctx->prev_token, reg_temp) != 0) {
+ goto syntax_error;
+ }
- /* curr_token = get/set name */
- fnum = duk__parse_func_like_fnum(comp_ctx, 0 /*is_decl*/, 1 /*is_setget*/);
+ fnum = duk__parse_func_like_fnum(comp_ctx, DUK__FUNC_FLAG_USE_PREVTOKEN | DUK__FUNC_FLAG_METDEF);
- DUK_ASSERT(DUK__GETTEMP(comp_ctx) == temp_start);
- reg_temp = DUK__ALLOCTEMP(comp_ctx);
- duk__emit_a_bc(comp_ctx,
- DUK_OP_LDCONST,
- (duk_regconst_t) reg_temp,
- (duk_regconst_t) reg_key);
- reg_temp = DUK__ALLOCTEMP(comp_ctx);
- duk__emit_a_bc(comp_ctx,
- DUK_OP_CLOSURE,
- (duk_regconst_t) reg_temp,
- (duk_regconst_t) fnum);
+ duk__emit_a_bc(comp_ctx,
+ DUK_OP_CLOSURE,
+ (duk_regconst_t) (reg_temp + 1),
+ (duk_regconst_t) fnum);
- /* Slot C is used in a non-standard fashion (range of regs),
- * emitter code has special handling for it (must not set the
- * "no shuffle" flag).
+ st.num_pairs++;
+#endif /* DUK_USE_ES6 */
+ } else {
+#if defined(DUK_USE_ES6)
+ if (comp_ctx->prev_token.t == DUK_TOK_LBRACKET) {
+ /* ES2015 computed property name. Executor ToPropertyKey()
+ * coerces the key at runtime.
*/
- duk__emit_extraop_b_c(comp_ctx,
- (is_get ? DUK_EXTRAOP_INITGET : DUK_EXTRAOP_INITSET),
- reg_obj,
- temp_start); /* temp_start+0 = key, temp_start+1 = closure */
-
- DUK__SETTEMP(comp_ctx, temp_start);
- } else {
- /* normal key/value */
- if (comp_ctx->prev_token.t_nores == DUK_TOK_IDENTIFIER ||
- comp_ctx->prev_token.t_nores == DUK_TOK_STRING) {
- /* same handling for identifiers and strings */
- DUK_ASSERT(comp_ctx->prev_token.str1 != NULL);
- duk_push_hstring(ctx, comp_ctx->prev_token.str1);
- } else if (comp_ctx->prev_token.t == DUK_TOK_NUMBER) {
- duk_push_number(ctx, comp_ctx->prev_token.num);
- duk_to_string(ctx, -1);
- } else {
- goto syntax_error;
- }
-
- DUK_ASSERT(duk_is_string(ctx, -1));
- if (duk__nud_object_literal_key_check(comp_ctx, DUK__OBJ_LIT_KEY_PLAIN)) {
+ DUK__SETTEMP(comp_ctx, reg_temp);
+ duk__expr_toforcedreg(comp_ctx, res, DUK__BP_FOR_EXPR, reg_temp);
+ duk__advance_expect(comp_ctx, DUK_TOK_RBRACKET);
+
+ /* XXX: If next token is '(' we're dealing with
+ * the method shorthand with a computed name,
+ * e.g. { [Symbol.for('foo')](a,b) {} }. This
+ * form is not yet supported and causes a
+ * SyntaxError on the DUK_TOK_COLON check below.
+ */
+ }
+ else
+#endif /* DUK_USE_ES6 */
+ {
+ if (duk__objlit_load_key(comp_ctx, res, &comp_ctx->prev_token, reg_temp) != 0) {
goto syntax_error;
}
- reg_key = duk__getconst(comp_ctx);
+ }
- reg_temp = DUK__ALLOCTEMP(comp_ctx);
- duk__emit_a_bc(comp_ctx,
- DUK_OP_LDCONST,
- (duk_regconst_t) reg_temp,
- (duk_regconst_t) reg_key);
- duk__advance_expect(comp_ctx, DUK_TOK_COLON);
+ duk__advance_expect(comp_ctx, DUK_TOK_COLON);
- reg_temp = DUK__ALLOCTEMP(comp_ctx); /* alloc temp just in case, to update max temp */
- DUK__SETTEMP(comp_ctx, reg_temp);
- duk__expr_toforcedreg(comp_ctx, res, DUK__BP_COMMA /*rbp_flags*/, reg_temp /*forced_reg*/);
- DUK__SETTEMP(comp_ctx, reg_temp + 1);
+ DUK__SETTEMP(comp_ctx, reg_temp + 1);
+ duk__expr_toforcedreg(comp_ctx, res, DUK__BP_COMMA /*rbp_flags*/, reg_temp + 1 /*forced_reg*/);
- num_pairs++;
- }
+ st.num_pairs++;
}
+ } /* property loop */
- if (num_pairs > 0) {
- /* See MPUTOBJ comments above. */
- duk__emit_a_b_c(comp_ctx,
- DUK_OP_MPUTOBJ |
- DUK__EMIT_FLAG_NO_SHUFFLE_C |
- DUK__EMIT_FLAG_A_IS_SOURCE,
- reg_obj,
- temp_start,
- num_pairs);
-
- /* num_pairs and temp_start reset at top of outer loop */
- }
- }
+ /* Flush remaining properties. */
+ duk__objlit_flush_keys(comp_ctx, &st);
+ DUK_ASSERT(st.num_pairs == 0);
+ DUK_ASSERT(DUK__GETTEMP(comp_ctx) == st.temp_start);
DUK_ASSERT(comp_ctx->curr_token.t == DUK_TOK_RCURLY);
duk__advance(comp_ctx);
- DUK__SETTEMP(comp_ctx, temp_start);
-
- res->t = DUK_IVAL_PLAIN;
- res->x1.t = DUK_ISPEC_REGCONST;
- res->x1.regconst = (duk_regconst_t) reg_obj;
-
- DUK_DDD(DUK_DDDPRINT("final tracking object: %!T",
- (duk_tval *) duk_get_tval(ctx, -1)));
- duk_pop(ctx);
+ duk__ivalue_regconst(res, (duk_regconst_t) st.reg_obj);
return;
syntax_error:
@@ -60817,19 +63882,14 @@ DUK_LOCAL void duk__expr_nud(duk_compiler_ctx *comp_ctx, duk_ivalue *res) {
case DUK_TOK_THIS: {
duk_reg_t reg_temp;
reg_temp = DUK__ALLOCTEMP(comp_ctx);
- duk__emit_extraop_bc(comp_ctx,
- DUK_EXTRAOP_LDTHIS,
- (duk_regconst_t) reg_temp);
- res->t = DUK_IVAL_PLAIN;
- res->x1.t = DUK_ISPEC_REGCONST;
- res->x1.regconst = (duk_regconst_t) reg_temp;
+ duk__emit_bc(comp_ctx,
+ DUK_OP_LDTHIS,
+ (duk_regconst_t) reg_temp);
+ duk__ivalue_regconst(res, (duk_regconst_t) reg_temp);
return;
}
case DUK_TOK_IDENTIFIER: {
- res->t = DUK_IVAL_VAR;
- res->x1.t = DUK_ISPEC_VALUE;
- duk_push_hstring(ctx, tk->str1);
- duk_replace(ctx, res->x1.valstack_idx);
+ duk__ivalue_var_hstring(comp_ctx, res, tk->str1);
return;
}
case DUK_TOK_NULL: {
@@ -60854,7 +63914,7 @@ DUK_LOCAL void duk__expr_nud(duk_compiler_ctx *comp_ctx, duk_ivalue *res) {
goto plain_value;
}
case DUK_TOK_REGEXP: {
-#ifdef DUK_USE_REGEXP_SUPPORT
+#if defined(DUK_USE_REGEXP_SUPPORT)
duk_reg_t reg_temp;
duk_regconst_t rc_re_bytecode; /* const */
duk_regconst_t rc_re_source; /* const */
@@ -60880,14 +63940,12 @@ DUK_LOCAL void duk__expr_nud(duk_compiler_ctx *comp_ctx, duk_ivalue *res) {
rc_re_source = duk__getconst(comp_ctx);
duk__emit_a_b_c(comp_ctx,
- DUK_OP_REGEXP,
+ DUK_OP_REGEXP | DUK__EMIT_FLAG_BC_REGCONST,
(duk_regconst_t) reg_temp /*a*/,
rc_re_bytecode /*b*/,
rc_re_source /*c*/);
- res->t = DUK_IVAL_PLAIN;
- res->x1.t = DUK_ISPEC_REGCONST;
- res->x1.regconst = (duk_regconst_t) reg_temp;
+ duk__ivalue_regconst(res, (duk_regconst_t) reg_temp);
return;
#else /* DUK_USE_REGEXP_SUPPORT */
goto syntax_error;
@@ -60959,17 +64017,14 @@ DUK_LOCAL void duk__expr_nud(duk_compiler_ctx *comp_ctx, duk_ivalue *res) {
/* Opcode slot C is used in a non-standard way, so shuffling
* is not allowed.
*/
- duk__emit_a_b_c(comp_ctx,
- DUK_OP_NEW | DUK__EMIT_FLAG_NO_SHUFFLE_A | DUK__EMIT_FLAG_NO_SHUFFLE_C,
- 0 /*unused*/,
- reg_target /*target*/,
- nargs /*num_args*/);
+ duk__emit_a_bc(comp_ctx,
+ DUK_OP_NEW | DUK__EMIT_FLAG_NO_SHUFFLE_A,
+ nargs /*num_args*/,
+ reg_target /*target*/);
DUK_DDD(DUK_DDDPRINT("end parsing new expression"));
- res->t = DUK_IVAL_PLAIN;
- res->x1.t = DUK_ISPEC_REGCONST;
- res->x1.regconst = (duk_regconst_t) reg_target;
+ duk__ivalue_regconst(res, (duk_regconst_t) reg_target);
return;
}
@@ -60993,7 +64048,7 @@ DUK_LOCAL void duk__expr_nud(duk_compiler_ctx *comp_ctx, duk_ivalue *res) {
reg_temp = DUK__ALLOCTEMP(comp_ctx);
/* curr_token follows 'function' */
- fnum = duk__parse_func_like_fnum(comp_ctx, 0 /*is_decl*/, 0 /*is_setget*/);
+ fnum = duk__parse_func_like_fnum(comp_ctx, 0 /*flags*/);
DUK_DDD(DUK_DDDPRINT("parsed inner function -> fnum %ld", (long) fnum));
duk__emit_a_bc(comp_ctx,
@@ -61001,9 +64056,7 @@ DUK_LOCAL void duk__expr_nud(duk_compiler_ctx *comp_ctx, duk_ivalue *res) {
(duk_regconst_t) reg_temp /*a*/,
(duk_regconst_t) fnum /*bc*/);
- res->t = DUK_IVAL_PLAIN;
- res->x1.t = DUK_ISPEC_REGCONST;
- res->x1.regconst = (duk_regconst_t) reg_temp;
+ duk__ivalue_regconst(res, (duk_regconst_t) reg_temp);
return;
}
@@ -61036,20 +64089,18 @@ DUK_LOCAL void duk__expr_nud(duk_compiler_ctx *comp_ctx, duk_ivalue *res) {
duk_dup(ctx, res->x1.valstack_idx);
if (duk__lookup_lhs(comp_ctx, &reg_varbind, &rc_varname)) {
/* register bound variables are non-configurable -> always false */
- duk__emit_extraop_bc(comp_ctx,
- DUK_EXTRAOP_LDFALSE,
- (duk_regconst_t) reg_temp);
+ duk__emit_bc(comp_ctx,
+ DUK_OP_LDFALSE,
+ (duk_regconst_t) reg_temp);
} else {
duk_dup(ctx, res->x1.valstack_idx);
rc_varname = duk__getconst(comp_ctx);
- duk__emit_a_b(comp_ctx,
- DUK_OP_DELVAR,
- (duk_regconst_t) reg_temp,
- (duk_regconst_t) rc_varname);
+ duk__emit_a_bc(comp_ctx,
+ DUK_OP_DELVAR,
+ (duk_regconst_t) reg_temp,
+ (duk_regconst_t) rc_varname);
}
- res->t = DUK_IVAL_PLAIN;
- res->x1.t = DUK_ISPEC_REGCONST;
- res->x1.regconst = (duk_regconst_t) reg_temp;
+ duk__ivalue_regconst(res, (duk_regconst_t) reg_temp);
} else if (res->t == DUK_IVAL_PROP) {
duk_reg_t reg_temp;
duk_reg_t reg_obj;
@@ -61060,14 +64111,12 @@ DUK_LOCAL void duk__expr_nud(duk_compiler_ctx *comp_ctx, duk_ivalue *res) {
reg_obj = duk__ispec_toregconst_raw(comp_ctx, &res->x1, -1 /*forced_reg*/, 0 /*flags*/); /* don't allow const */
rc_key = duk__ispec_toregconst_raw(comp_ctx, &res->x2, -1 /*forced_reg*/, DUK__IVAL_FLAG_ALLOW_CONST /*flags*/);
duk__emit_a_b_c(comp_ctx,
- DUK_OP_DELPROP,
+ DUK_OP_DELPROP | DUK__EMIT_FLAG_BC_REGCONST,
(duk_regconst_t) reg_temp,
(duk_regconst_t) reg_obj,
rc_key);
- res->t = DUK_IVAL_PLAIN;
- res->x1.t = DUK_ISPEC_REGCONST;
- res->x1.regconst = (duk_regconst_t) reg_temp;
+ duk__ivalue_regconst(res, (duk_regconst_t) reg_temp);
} else {
/* non-Reference deletion is always 'true', even in strict mode */
duk_push_true(ctx);
@@ -61098,26 +64147,24 @@ DUK_LOCAL void duk__expr_nud(duk_compiler_ctx *comp_ctx, duk_ivalue *res) {
DUK_DDD(DUK_DDDPRINT("typeof for an identifier name which could not be resolved "
"at compile time, need to use special run-time handling"));
reg_temp = DUK__ALLOCTEMP(comp_ctx);
- duk__emit_extraop_b_c(comp_ctx,
- DUK_EXTRAOP_TYPEOFID | DUK__EMIT_FLAG_B_IS_TARGET,
- reg_temp,
- rc_varname);
- res->t = DUK_IVAL_PLAIN;
- res->x1.t = DUK_ISPEC_REGCONST;
- res->x1.regconst = (duk_regconst_t) reg_temp;
+ duk__emit_a_bc(comp_ctx,
+ DUK_OP_TYPEOFID,
+ reg_temp,
+ rc_varname);
+ duk__ivalue_regconst(res, (duk_regconst_t) reg_temp);
return;
}
}
- args = (DUK_EXTRAOP_TYPEOF << 8) + 0;
- goto unary_extraop;
+ args = DUK_OP_TYPEOF;
+ goto unary;
}
case DUK_TOK_INCREMENT: {
- args = (DUK_OP_PREINCR << 8) + 0;
+ args = (DUK_OP_PREINCP << 8) + DUK_OP_PREINCR;
goto preincdec;
}
case DUK_TOK_DECREMENT: {
- args = (DUK_OP_PREDECR << 8) + 0;
+ args = (DUK_OP_PREDECP << 8) + DUK_OP_PREDECR;
goto preincdec;
}
case DUK_TOK_ADD: {
@@ -61126,11 +64173,10 @@ DUK_LOCAL void duk__expr_nud(duk_compiler_ctx *comp_ctx, duk_ivalue *res) {
if (res->t == DUK_IVAL_PLAIN && res->x1.t == DUK_ISPEC_VALUE &&
duk_is_number(ctx, res->x1.valstack_idx)) {
/* unary plus of a number is identity */
- ;
return;
}
- args = (DUK_EXTRAOP_UNP << 8) + 0;
- goto unary_extraop;
+ args = DUK_OP_UNP;
+ goto unary;
}
case DUK_TOK_SUB: {
/* unary minus */
@@ -61152,13 +64198,13 @@ DUK_LOCAL void duk__expr_nud(duk_compiler_ctx *comp_ctx, duk_ivalue *res) {
DUK_TVAL_SET_NUMBER(tv_num, du.d);
return;
}
- args = (DUK_EXTRAOP_UNM << 8) + 0;
- goto unary_extraop;
+ args = DUK_OP_UNM;
+ goto unary;
}
case DUK_TOK_BNOT: {
duk__expr(comp_ctx, res, DUK__BP_MULTIPLICATIVE /*rbp_flags*/); /* UnaryExpression */
- args = (DUK_EXTRAOP_BNOT << 8) + 0;
- goto unary_extraop;
+ args = DUK_OP_BNOT;
+ goto unary;
}
case DUK_TOK_LNOT: {
duk__expr(comp_ctx, res, DUK__BP_MULTIPLICATIVE /*rbp_flags*/); /* UnaryExpression */
@@ -61192,8 +64238,8 @@ DUK_LOCAL void duk__expr_nud(duk_compiler_ctx *comp_ctx, duk_ivalue *res) {
return;
}
}
- args = (DUK_EXTRAOP_LNOT << 8) + 0;
- goto unary_extraop;
+ args = DUK_OP_LNOT;
+ goto unary;
}
} /* end switch */
@@ -61201,20 +64247,26 @@ DUK_LOCAL void duk__expr_nud(duk_compiler_ctx *comp_ctx, duk_ivalue *res) {
DUK_ERROR_SYNTAX(thr, DUK_STR_PARSE_ERROR);
return;
- unary_extraop:
+ unary:
{
- /* Note: must coerce to a (writable) temp register, so that e.g. "!x" where x
- * is a reg-mapped variable works correctly (does not mutate the variable register).
+ /* Unary opcodes use just the 'BC' register source because it
+ * matches current shuffle limits, and maps cleanly to 16 high
+ * bits of the opcode.
*/
- duk_reg_t reg_temp;
- reg_temp = duk__ivalue_toregconst_raw(comp_ctx, res, -1 /*forced_reg*/, DUK__IVAL_FLAG_REQUIRE_TEMP /*flags*/);
- duk__emit_extraop_bc(comp_ctx,
- (args >> 8),
- (duk_regconst_t) reg_temp);
- res->t = DUK_IVAL_PLAIN;
- res->x1.t = DUK_ISPEC_REGCONST;
- res->x1.regconst = (duk_regconst_t) reg_temp;
+ duk_reg_t reg_src, reg_res;
+
+ reg_src = duk__ivalue_toregconst_raw(comp_ctx, res, -1 /*forced_reg*/, 0 /*flags*/);
+ if (DUK__ISTEMP(comp_ctx, reg_src)) {
+ reg_res = reg_src;
+ } else {
+ reg_res = DUK__ALLOCTEMP(comp_ctx);
+ }
+ duk__emit_a_bc(comp_ctx,
+ args,
+ reg_res,
+ (duk_regconst_t) reg_src);
+ duk__ivalue_regconst(res, (duk_regconst_t) reg_res);
return;
}
@@ -61222,13 +64274,12 @@ DUK_LOCAL void duk__expr_nud(duk_compiler_ctx *comp_ctx, duk_ivalue *res) {
{
/* preincrement and predecrement */
duk_reg_t reg_res;
- duk_small_uint_t args_op = args >> 8;
+ duk_small_uint_t args_op1 = args & 0xff; /* DUK_OP_PREINCR/DUK_OP_PREDECR */
+ duk_small_uint_t args_op2 = args >> 8; /* DUK_OP_PREINCP_RR/DUK_OP_PREDECP_RR */
/* Specific assumptions for opcode numbering. */
DUK_ASSERT(DUK_OP_PREINCR + 4 == DUK_OP_PREINCV);
DUK_ASSERT(DUK_OP_PREDECR + 4 == DUK_OP_PREDECV);
- DUK_ASSERT(DUK_OP_PREINCR + 8 == DUK_OP_PREINCP);
- DUK_ASSERT(DUK_OP_PREDECR + 8 == DUK_OP_PREDECP);
reg_res = DUK__ALLOCTEMP(comp_ctx);
@@ -61238,8 +64289,7 @@ DUK_LOCAL void duk__expr_nud(duk_compiler_ctx *comp_ctx, duk_ivalue *res) {
duk_reg_t reg_varbind;
duk_regconst_t rc_varname;
- h_varname = duk_get_hstring(ctx, res->x1.valstack_idx);
- DUK_ASSERT(h_varname != NULL);
+ h_varname = duk_known_hstring(ctx, res->x1.valstack_idx);
if (duk__hstring_is_eval_or_arguments_in_strict_mode(comp_ctx, h_varname)) {
goto syntax_error;
@@ -61248,12 +64298,12 @@ DUK_LOCAL void duk__expr_nud(duk_compiler_ctx *comp_ctx, duk_ivalue *res) {
duk_dup(ctx, res->x1.valstack_idx);
if (duk__lookup_lhs(comp_ctx, &reg_varbind, &rc_varname)) {
duk__emit_a_bc(comp_ctx,
- args_op, /* e.g. DUK_OP_PREINCR */
+ args_op1, /* e.g. DUK_OP_PREINCR */
(duk_regconst_t) reg_res,
(duk_regconst_t) reg_varbind);
} else {
duk__emit_a_bc(comp_ctx,
- args_op + 4, /* e.g. DUK_OP_PREINCV */
+ args_op1 + 4, /* e.g. DUK_OP_PREINCV */
(duk_regconst_t) reg_res,
rc_varname);
}
@@ -61266,7 +64316,7 @@ DUK_LOCAL void duk__expr_nud(duk_compiler_ctx *comp_ctx, duk_ivalue *res) {
reg_obj = duk__ispec_toregconst_raw(comp_ctx, &res->x1, -1 /*forced_reg*/, 0 /*flags*/); /* don't allow const */
rc_key = duk__ispec_toregconst_raw(comp_ctx, &res->x2, -1 /*forced_reg*/, DUK__IVAL_FLAG_ALLOW_CONST /*flags*/);
duk__emit_a_b_c(comp_ctx,
- args_op + 8, /* e.g. DUK_OP_PREINCP */
+ args_op2 | DUK__EMIT_FLAG_BC_REGCONST, /* e.g. DUK_OP_PREINCP */
(duk_regconst_t) reg_res,
(duk_regconst_t) reg_obj,
rc_key);
@@ -61274,29 +64324,25 @@ DUK_LOCAL void duk__expr_nud(duk_compiler_ctx *comp_ctx, duk_ivalue *res) {
/* Technically return value is not needed because INVLHS will
* unconditially throw a ReferenceError. Coercion is necessary
* for proper semantics (consider ToNumber() called for an object).
- * Use DUK_EXTRAOP_UNP with a dummy register to get ToNumber().
+ * Use DUK_OP_UNP with a dummy register to get ToNumber().
*/
duk__ivalue_toforcedreg(comp_ctx, res, reg_res);
- duk__emit_extraop_bc(comp_ctx,
- DUK_EXTRAOP_UNP,
- reg_res); /* for side effects, result ignored */
- duk__emit_extraop_only(comp_ctx,
- DUK_EXTRAOP_INVLHS);
- }
- res->t = DUK_IVAL_PLAIN;
- res->x1.t = DUK_ISPEC_REGCONST;
- res->x1.regconst = (duk_regconst_t) reg_res;
+ duk__emit_bc(comp_ctx,
+ DUK_OP_UNP,
+ reg_res); /* for side effects, result ignored */
+ duk__emit_op_only(comp_ctx,
+ DUK_OP_INVLHS);
+ }
DUK__SETTEMP(comp_ctx, reg_res + 1);
+ duk__ivalue_regconst(res, (duk_regconst_t) reg_res);
return;
}
plain_value:
{
/* Stack top contains plain value */
- res->t = DUK_IVAL_PLAIN;
- res->x1.t = DUK_ISPEC_VALUE;
- duk_replace(ctx, res->x1.valstack_idx);
+ duk__ivalue_plain_fromstack(comp_ctx, res);
return;
}
@@ -61407,14 +64453,10 @@ DUK_LOCAL void duk__expr_led(duk_compiler_ctx *comp_ctx, duk_ivalue *left, duk_i
/* function call */
duk_reg_t reg_cs = DUK__ALLOCTEMPS(comp_ctx, 2);
duk_int_t nargs;
- duk_small_uint_t call_flags = 0;
+ duk_small_uint_t call_op = DUK_OP_CALL;
- /*
- * XXX: attempt to get the call result to "next temp" whenever
- * possible to avoid unnecessary register shuffles.
- *
- * XXX: CSPROP (and CSREG) can overwrite the call target register, and save one temp,
- * if the call target is a temporary register and at the top of the temp reg "stack".
+ /* XXX: attempt to get the call result to "next temp" whenever
+ * possible to avoid unnecessary register shuffles.
*/
/*
@@ -61432,8 +64474,7 @@ DUK_LOCAL void duk__expr_led(duk_compiler_ctx *comp_ctx, duk_ivalue *left, duk_i
DUK_DDD(DUK_DDDPRINT("function call with identifier base"));
- h_varname = duk_get_hstring(ctx, left->x1.valstack_idx);
- DUK_ASSERT(h_varname != NULL);
+ h_varname = duk_known_hstring(ctx, left->x1.valstack_idx);
if (h_varname == DUK_HTHREAD_STRING_EVAL(thr)) {
/* Potential direct eval call detected, flag the CALL
* so that a run-time "direct eval" check is made and
@@ -61441,89 +64482,97 @@ DUK_LOCAL void duk__expr_led(duk_compiler_ctx *comp_ctx, duk_ivalue *left, duk_i
* does not prevent 'eval' from being register bound.
*/
DUK_DDD(DUK_DDDPRINT("function call with identifier 'eval' "
- "-> enabling EVALCALL flag, marking function "
+ "-> using EVALCALL, marking function "
"as may_direct_eval"));
- call_flags |= DUK_BC_CALL_FLAG_EVALCALL;
-
+ call_op = DUK_OP_EVALCALL;
comp_ctx->curr_func.may_direct_eval = 1;
}
duk_dup(ctx, left->x1.valstack_idx);
if (duk__lookup_lhs(comp_ctx, &reg_varbind, &rc_varname)) {
- duk__emit_a_b(comp_ctx,
- DUK_OP_CSREG,
- (duk_regconst_t) (reg_cs + 0),
- (duk_regconst_t) reg_varbind);
+ duk__emit_a_bc(comp_ctx,
+ DUK_OP_CSREG | DUK__EMIT_FLAG_A_IS_SOURCE,
+ (duk_regconst_t) reg_varbind,
+ (duk_regconst_t) (reg_cs + 0));
} else {
+ /* XXX: expand target register or constant field to
+ * reduce shuffling.
+ */
+ DUK_ASSERT(DUK__ISCONST(rc_varname));
duk__emit_a_b(comp_ctx,
- DUK_OP_CSVAR,
+ DUK_OP_CSVAR | DUK__EMIT_FLAG_BC_REGCONST,
(duk_regconst_t) (reg_cs + 0),
rc_varname);
}
} else if (left->t == DUK_IVAL_PROP) {
+ /* Call through a property lookup, E5 Section 11.2.3, step 6.a.i,
+ * E5 Section 10.4.3. There used to be a separate CSPROP opcode
+ * but a typical call setup took 3 opcodes (e.g. LDREG, LDCONST,
+ * CSPROP) and the same can be achieved with ordinary loads.
+ */
DUK_DDD(DUK_DDDPRINT("function call with property base"));
- duk__ispec_toforcedreg(comp_ctx, &left->x1, reg_cs + 0); /* base */
- duk__ispec_toforcedreg(comp_ctx, &left->x2, reg_cs + 1); /* key */
- duk__emit_a_b_c(comp_ctx,
- DUK_OP_CSPROP,
- (duk_regconst_t) (reg_cs + 0),
- (duk_regconst_t) (reg_cs + 0),
- (duk_regconst_t) (reg_cs + 1)); /* in-place setup */
+ duk__ispec_toforcedreg(comp_ctx, &left->x1, reg_cs + 1); /* base */
+ duk__ivalue_toforcedreg(comp_ctx, left, reg_cs + 0); /* base[key] */
} else {
DUK_DDD(DUK_DDDPRINT("function call with register base"));
duk__ivalue_toforcedreg(comp_ctx, left, reg_cs + 0);
- duk__emit_a_b(comp_ctx,
- DUK_OP_CSREG,
- (duk_regconst_t) (reg_cs + 0),
- (duk_regconst_t) (reg_cs + 0)); /* in-place setup */
+ duk__emit_a_bc(comp_ctx,
+ DUK_OP_CSREG | DUK__EMIT_FLAG_A_IS_SOURCE,
+ (duk_regconst_t) (reg_cs + 0),
+ (duk_regconst_t) (reg_cs + 0)); /* in-place setup */
}
DUK__SETTEMP(comp_ctx, reg_cs + 2);
nargs = duk__parse_arguments(comp_ctx, res); /* parse args starting from "next temp" */
- /* Tailcalls are handled by back-patching the TAILCALL flag to the
+ /* Tailcalls are handled by back-patching the opcode to TAILCALL to the
* already emitted instruction later (in return statement parser).
- * Since A and C have a special meaning here, they cannot be "shuffled".
*/
- duk__emit_a_b_c(comp_ctx,
- DUK_OP_CALL | DUK__EMIT_FLAG_NO_SHUFFLE_A | DUK__EMIT_FLAG_NO_SHUFFLE_C,
- (duk_regconst_t) call_flags /*flags*/,
- (duk_regconst_t) reg_cs /*basereg*/,
- (duk_regconst_t) nargs /*numargs*/);
+ duk__emit_a_bc(comp_ctx,
+ call_op | DUK__EMIT_FLAG_NO_SHUFFLE_A,
+ (duk_regconst_t) nargs /*numargs*/,
+ (duk_regconst_t) reg_cs /*basereg*/);
DUK__SETTEMP(comp_ctx, reg_cs + 1); /* result in csreg */
- res->t = DUK_IVAL_PLAIN;
- res->x1.t = DUK_ISPEC_REGCONST;
- res->x1.regconst = (duk_regconst_t) reg_cs;
+ duk__ivalue_regconst(res, (duk_regconst_t) reg_cs);
return;
}
/* POSTFIX EXPRESSION */
case DUK_TOK_INCREMENT: {
- args = (DUK_OP_POSTINCR << 8) + 0;
+ args = (DUK_OP_POSTINCP_RR << 16) + (DUK_OP_POSTINCR << 8) + 0;
goto postincdec;
}
case DUK_TOK_DECREMENT: {
- args = (DUK_OP_POSTDECR << 8) + 0;
+ args = (DUK_OP_POSTDECP_RR << 16) + (DUK_OP_POSTDECR << 8) + 0;
goto postincdec;
}
+ /* EXPONENTIATION EXPRESSION */
+
+#if defined(DUK_USE_ES7_EXP_OPERATOR)
+ case DUK_TOK_EXP: {
+ args = (DUK_OP_EXP << 8) + DUK__BP_EXPONENTIATION - 1; /* UnaryExpression */
+ goto binary;
+ }
+#endif
+
/* MULTIPLICATIVE EXPRESSION */
case DUK_TOK_MUL: {
- args = (DUK_OP_MUL << 8) + DUK__BP_MULTIPLICATIVE; /* UnaryExpression */
+ args = (DUK_OP_MUL << 8) + DUK__BP_MULTIPLICATIVE; /* ExponentiationExpression */
goto binary;
}
case DUK_TOK_DIV: {
- args = (DUK_OP_DIV << 8) + DUK__BP_MULTIPLICATIVE; /* UnaryExpression */
+ args = (DUK_OP_DIV << 8) + DUK__BP_MULTIPLICATIVE; /* ExponentiationExpression */
goto binary;
}
case DUK_TOK_MOD: {
- args = (DUK_OP_MOD << 8) + DUK__BP_MULTIPLICATIVE; /* UnaryExpression */
+ args = (DUK_OP_MOD << 8) + DUK__BP_MULTIPLICATIVE; /* ExponentiationExpression */
goto binary;
}
@@ -61576,11 +64625,11 @@ DUK_LOCAL void duk__expr_led(duk_compiler_ctx *comp_ctx, duk_ivalue *left, duk_i
goto binary;
}
case DUK_TOK_INSTANCEOF: {
- args = (1 << 16 /*is_extra*/) + (DUK_EXTRAOP_INSTOF << 8) + DUK__BP_RELATIONAL;
+ args = (DUK_OP_INSTOF << 8) + DUK__BP_RELATIONAL;
goto binary;
}
case DUK_TOK_IN: {
- args = (1 << 16 /*is_extra*/) + (DUK_EXTRAOP_IN << 8) + DUK__BP_RELATIONAL;
+ args = (DUK_OP_IN << 8) + DUK__BP_RELATIONAL;
goto binary;
}
@@ -61653,9 +64702,7 @@ DUK_LOCAL void duk__expr_led(duk_compiler_ctx *comp_ctx, duk_ivalue *left, duk_i
duk__patch_jump_here(comp_ctx, pc_jump2);
DUK__SETTEMP(comp_ctx, reg_temp + 1);
- res->t = DUK_IVAL_PLAIN;
- res->x1.t = DUK_ISPEC_REGCONST;
- res->x1.regconst = (duk_regconst_t) reg_temp;
+ duk__ivalue_regconst(res, (duk_regconst_t) reg_temp);
return;
}
@@ -61701,6 +64748,13 @@ DUK_LOCAL void duk__expr_led(duk_compiler_ctx *comp_ctx, duk_ivalue *left, duk_i
args = (DUK_OP_MOD << 8) + DUK__BP_ASSIGNMENT - 1;
goto assign;
}
+#if defined(DUK_USE_ES7_EXP_OPERATOR)
+ case DUK_TOK_EXP_EQ: {
+ /* right associative */
+ args = (DUK_OP_EXP << 8) + DUK__BP_ASSIGNMENT - 1;
+ goto assign;
+ }
+#endif
case DUK_TOK_ALSHIFT_EQ: {
/* right associative */
args = (DUK_OP_BASL << 8) + DUK__BP_ASSIGNMENT - 1;
@@ -61764,7 +64818,7 @@ DUK_LOCAL void duk__expr_led(duk_compiler_ctx *comp_ctx, duk_ivalue *left, duk_i
/*
* Shared handling of binary operations
*
- * args = (is_extraop << 16) + (opcode << 8) + rbp
+ * args = (opcode << 8) + rbp
*/
{
duk__ivalue_toplain(comp_ctx, left);
@@ -61774,7 +64828,7 @@ DUK_LOCAL void duk__expr_led(duk_compiler_ctx *comp_ctx, duk_ivalue *left, duk_i
DUK_ASSERT(left->t == DUK_IVAL_PLAIN);
DUK_ASSERT(res->t == DUK_IVAL_PLAIN);
- res->t = (args >> 16) ? DUK_IVAL_ARITH_EXTRAOP : DUK_IVAL_ARITH;
+ res->t = DUK_IVAL_ARITH;
res->op = (args >> 8) & 0xff;
res->x2.t = res->x1.t;
@@ -61821,17 +64875,15 @@ DUK_LOCAL void duk__expr_led(duk_compiler_ctx *comp_ctx, duk_ivalue *left, duk_i
reg_temp = DUK__ALLOCTEMP(comp_ctx);
duk__ivalue_toforcedreg(comp_ctx, left, reg_temp);
- duk__emit_a_b(comp_ctx,
- DUK_OP_IF | DUK__EMIT_FLAG_NO_SHUFFLE_A,
- (duk_regconst_t) args_truthval,
- (duk_regconst_t) reg_temp); /* skip jump conditionally */
+ DUK_ASSERT(DUK__ISREG(reg_temp));
+ duk__emit_bc(comp_ctx,
+ (args_truthval ? DUK_OP_IFTRUE_R : DUK_OP_IFFALSE_R),
+ (duk_regconst_t) reg_temp); /* skip jump conditionally */
pc_jump = duk__emit_jump_empty(comp_ctx);
duk__expr_toforcedreg(comp_ctx, res, args_rbp /*rbp_flags*/, reg_temp /*forced_reg*/);
duk__patch_jump_here(comp_ctx, pc_jump);
- res->t = DUK_IVAL_PLAIN;
- res->x1.t = DUK_ISPEC_REGCONST;
- res->x1.regconst = (duk_regconst_t) reg_temp;
+ duk__ivalue_regconst(res, (duk_regconst_t) reg_temp);
return;
}
@@ -61901,8 +64953,7 @@ DUK_LOCAL void duk__expr_led(duk_compiler_ctx *comp_ctx, duk_ivalue *left, duk_i
DUK_ASSERT(left->x1.t == DUK_ISPEC_VALUE); /* LHS is already side effect free */
- h_varname = duk_get_hstring(ctx, left->x1.valstack_idx);
- DUK_ASSERT(h_varname != NULL);
+ h_varname = duk_known_hstring(ctx, left->x1.valstack_idx);
if (duk__hstring_is_eval_or_arguments_in_strict_mode(comp_ctx, h_varname)) {
/* E5 Section 11.13.1 (and others for other assignments), step 4. */
goto syntax_error_lvalue;
@@ -61993,7 +65044,7 @@ DUK_LOCAL void duk__expr_led(duk_compiler_ctx *comp_ctx, duk_ivalue *left, duk_i
}
duk__emit_a_b_c(comp_ctx,
- args_op,
+ args_op | DUK__EMIT_FLAG_BC_REGCONST,
(duk_regconst_t) reg_res,
(duk_regconst_t) reg_src,
res->x1.regconst);
@@ -62018,7 +65069,7 @@ DUK_LOCAL void duk__expr_led(duk_compiler_ctx *comp_ctx, duk_ivalue *left, duk_i
DUK_ASSERT(res->t == DUK_IVAL_PLAIN && res->x1.t == DUK_ISPEC_REGCONST);
duk__emit_a_b_c(comp_ctx,
- args_op,
+ args_op | DUK__EMIT_FLAG_BC_REGCONST,
(duk_regconst_t) reg_temp,
(duk_regconst_t) reg_temp,
res->x1.regconst);
@@ -62110,7 +65161,7 @@ DUK_LOCAL void duk__expr_led(duk_compiler_ctx *comp_ctx, duk_ivalue *left, duk_i
} else {
reg_temp = DUK__ALLOCTEMP(comp_ctx);
duk__emit_a_b_c(comp_ctx,
- DUK_OP_GETPROP,
+ DUK_OP_GETPROP | DUK__EMIT_FLAG_BC_REGCONST,
(duk_regconst_t) reg_temp,
(duk_regconst_t) reg_obj,
rc_key);
@@ -62119,7 +65170,7 @@ DUK_LOCAL void duk__expr_led(duk_compiler_ctx *comp_ctx, duk_ivalue *left, duk_i
DUK_ASSERT(res->t == DUK_IVAL_PLAIN && res->x1.t == DUK_ISPEC_REGCONST);
duk__emit_a_b_c(comp_ctx,
- args_op,
+ args_op | DUK__EMIT_FLAG_BC_REGCONST,
(duk_regconst_t) reg_temp,
(duk_regconst_t) reg_temp,
res->x1.regconst);
@@ -62127,14 +65178,12 @@ DUK_LOCAL void duk__expr_led(duk_compiler_ctx *comp_ctx, duk_ivalue *left, duk_i
}
duk__emit_a_b_c(comp_ctx,
- DUK_OP_PUTPROP | DUK__EMIT_FLAG_A_IS_SOURCE,
+ DUK_OP_PUTPROP | DUK__EMIT_FLAG_A_IS_SOURCE | DUK__EMIT_FLAG_BC_REGCONST,
(duk_regconst_t) reg_obj,
rc_key,
rc_res);
- res->t = DUK_IVAL_PLAIN;
- res->x1.t = DUK_ISPEC_REGCONST;
- res->x1.regconst = rc_res;
+ duk__ivalue_regconst(res, (duk_regconst_t) rc_res);
} else {
/* No support for lvalues returned from new or function call expressions.
* However, these must NOT cause compile-time SyntaxErrors, but run-time
@@ -62158,12 +65207,9 @@ DUK_LOCAL void duk__expr_led(duk_compiler_ctx *comp_ctx, duk_ivalue *left, duk_i
*/
rc_res = duk__expr_toregconst(comp_ctx, res, args_rbp /*rbp_flags*/);
- duk__emit_extraop_only(comp_ctx,
- DUK_EXTRAOP_INVLHS);
+ duk__emit_op_only(comp_ctx, DUK_OP_INVLHS);
- res->t = DUK_IVAL_PLAIN;
- res->x1.t = DUK_ISPEC_REGCONST;
- res->x1.regconst = rc_res;
+ duk__ivalue_regconst(res, (duk_regconst_t) rc_res);
}
return;
@@ -62183,13 +65229,12 @@ DUK_LOCAL void duk__expr_led(duk_compiler_ctx *comp_ctx, duk_ivalue *left, duk_i
*/
duk_reg_t reg_res;
- duk_small_uint_t args_op = args >> 8;
+ duk_small_uint_t args_op1 = (args >> 8) & 0xff; /* DUK_OP_POSTINCR/DUK_OP_POSTDECR */
+ duk_small_uint_t args_op2 = args >> 16; /* DUK_OP_POSTINCP_RR/DUK_OP_POSTDECP_RR */
/* Specific assumptions for opcode numbering. */
DUK_ASSERT(DUK_OP_POSTINCR + 4 == DUK_OP_POSTINCV);
DUK_ASSERT(DUK_OP_POSTDECR + 4 == DUK_OP_POSTDECV);
- DUK_ASSERT(DUK_OP_POSTINCR + 8 == DUK_OP_POSTINCP);
- DUK_ASSERT(DUK_OP_POSTDECR + 8 == DUK_OP_POSTDECP);
reg_res = DUK__ALLOCTEMP(comp_ctx);
@@ -62198,8 +65243,7 @@ DUK_LOCAL void duk__expr_led(duk_compiler_ctx *comp_ctx, duk_ivalue *left, duk_i
duk_reg_t reg_varbind;
duk_regconst_t rc_varname;
- h_varname = duk_get_hstring(ctx, left->x1.valstack_idx);
- DUK_ASSERT(h_varname != NULL);
+ h_varname = duk_known_hstring(ctx, left->x1.valstack_idx);
if (duk__hstring_is_eval_or_arguments_in_strict_mode(comp_ctx, h_varname)) {
goto syntax_error;
@@ -62208,12 +65252,12 @@ DUK_LOCAL void duk__expr_led(duk_compiler_ctx *comp_ctx, duk_ivalue *left, duk_i
duk_dup(ctx, left->x1.valstack_idx);
if (duk__lookup_lhs(comp_ctx, &reg_varbind, &rc_varname)) {
duk__emit_a_bc(comp_ctx,
- args_op, /* e.g. DUK_OP_POSTINCR */
+ args_op1, /* e.g. DUK_OP_POSTINCR */
(duk_regconst_t) reg_res,
(duk_regconst_t) reg_varbind);
} else {
duk__emit_a_bc(comp_ctx,
- args_op + 4, /* e.g. DUK_OP_POSTINCV */
+ args_op1 + 4, /* e.g. DUK_OP_POSTINCV */
(duk_regconst_t) reg_res,
rc_varname);
}
@@ -62227,7 +65271,7 @@ DUK_LOCAL void duk__expr_led(duk_compiler_ctx *comp_ctx, duk_ivalue *left, duk_i
reg_obj = duk__ispec_toregconst_raw(comp_ctx, &left->x1, -1 /*forced_reg*/, 0 /*flags*/); /* don't allow const */
rc_key = duk__ispec_toregconst_raw(comp_ctx, &left->x2, -1 /*forced_reg*/, DUK__IVAL_FLAG_ALLOW_CONST /*flags*/);
duk__emit_a_b_c(comp_ctx,
- args_op + 8, /* e.g. DUK_OP_POSTINCP */
+ args_op2 | DUK__EMIT_FLAG_BC_REGCONST, /* e.g. DUK_OP_POSTINCP */
(duk_regconst_t) reg_res,
(duk_regconst_t) reg_obj,
rc_key);
@@ -62235,20 +65279,18 @@ DUK_LOCAL void duk__expr_led(duk_compiler_ctx *comp_ctx, duk_ivalue *left, duk_i
/* Technically return value is not needed because INVLHS will
* unconditially throw a ReferenceError. Coercion is necessary
* for proper semantics (consider ToNumber() called for an object).
- * Use DUK_EXTRAOP_UNP with a dummy register to get ToNumber().
+ * Use DUK_OP_UNP with a dummy register to get ToNumber().
*/
duk__ivalue_toforcedreg(comp_ctx, left, reg_res);
- duk__emit_extraop_bc(comp_ctx,
- DUK_EXTRAOP_UNP,
- reg_res); /* for side effects, result ignored */
- duk__emit_extraop_only(comp_ctx,
- DUK_EXTRAOP_INVLHS);
+ duk__emit_bc(comp_ctx,
+ DUK_OP_UNP,
+ reg_res); /* for side effects, result ignored */
+ duk__emit_op_only(comp_ctx,
+ DUK_OP_INVLHS);
}
- res->t = DUK_IVAL_PLAIN;
- res->x1.t = DUK_ISPEC_REGCONST;
- res->x1.regconst = (duk_regconst_t) reg_res;
DUK__SETTEMP(comp_ctx, reg_res + 1);
+ duk__ivalue_regconst(res, (duk_regconst_t) reg_res);
return;
}
@@ -62344,10 +65386,8 @@ DUK_LOCAL void duk__expr(duk_compiler_ctx *comp_ctx, duk_ivalue *res, duk_small_
if (!(rbp_flags & DUK__EXPR_FLAG_ALLOW_EMPTY)) {
DUK_ERROR_SYNTAX(thr, DUK_STR_EMPTY_EXPR_NOT_ALLOWED);
}
- res->t = DUK_IVAL_PLAIN;
- res->x1.t = DUK_ISPEC_VALUE;
duk_push_undefined(ctx);
- duk_replace(ctx, res->x1.valstack_idx);
+ duk__ivalue_plain_fromstack(comp_ctx, res);
goto cleanup;
}
@@ -62476,22 +65516,6 @@ DUK_LOCAL void duk__exprtop_toplain_ignore(duk_compiler_ctx *comp_ctx, duk_ivalu
* the token after the terminator).
*/
-#ifdef DUK__HAS_VAL
-#undef DUK__HAS_VAL
-#endif
-#ifdef DUK__HAS_TERM
-#undef DUK__HAS_TERM
-#endif
-#ifdef DUK__ALLOW_AUTO_SEMI_ALWAYS
-#undef DUK__ALLOW_AUTO_SEMI_ALWAYS
-#endif
-#ifdef DUK__STILL_PROLOGUE
-#undef DUK__STILL_PROLOGUE
-#endif
-#ifdef DUK__IS_TERMINAL
-#undef DUK__IS_TERMINAL
-#endif
-
#define DUK__HAS_VAL (1 << 0) /* stmt has non-empty value */
#define DUK__HAS_TERM (1 << 1) /* stmt has explicit/implicit semicolon terminator */
#define DUK__ALLOW_AUTO_SEMI_ALWAYS (1 << 2) /* allow automatic semicolon even without lineterm (compatibility) */
@@ -62752,14 +65776,14 @@ DUK_LOCAL void duk__parse_for_stmt(duk_compiler_ctx *comp_ctx, duk_ivalue *res,
reg_obj = duk__ispec_toregconst_raw(comp_ctx, &res->x1, -1 /*forced_reg*/, 0 /*flags*/); /* don't allow const */
rc_key = duk__ispec_toregconst_raw(comp_ctx, &res->x2, -1 /*forced_reg*/, DUK__IVAL_FLAG_ALLOW_CONST /*flags*/);
duk__emit_a_b_c(comp_ctx,
- DUK_OP_PUTPROP | DUK__EMIT_FLAG_A_IS_SOURCE,
+ DUK_OP_PUTPROP | DUK__EMIT_FLAG_A_IS_SOURCE | DUK__EMIT_FLAG_BC_REGCONST,
(duk_regconst_t) reg_obj,
rc_key,
(duk_regconst_t) (reg_temps + 0));
} else {
duk__ivalue_toplain_ignore(comp_ctx, res); /* just in case */
- duk__emit_extraop_only(comp_ctx,
- DUK_EXTRAOP_INVLHS);
+ duk__emit_op_only(comp_ctx,
+ DUK_OP_INVLHS);
}
goto parse_3_or_4;
} else {
@@ -62908,10 +65932,10 @@ DUK_LOCAL void duk__parse_for_stmt(duk_compiler_ctx *comp_ctx, duk_ivalue *res,
pc_l2 = duk__get_current_pc(comp_ctx);
reg_target = duk__exprtop_toreg(comp_ctx, res, DUK__BP_FOR_EXPR /*rbp_flags*/); /* Expression */
- duk__emit_extraop_b_c(comp_ctx,
- DUK_EXTRAOP_INITENUM | DUK__EMIT_FLAG_B_IS_TARGET,
- (duk_regconst_t) (reg_temps + 1),
- (duk_regconst_t) reg_target);
+ duk__emit_b_c(comp_ctx,
+ DUK_OP_INITENUM | DUK__EMIT_FLAG_B_IS_TARGET,
+ (duk_regconst_t) (reg_temps + 1),
+ (duk_regconst_t) reg_target);
pc_jumpto_l4 = duk__emit_jump_empty(comp_ctx);
DUK__SETTEMP(comp_ctx, temp_reset);
@@ -62928,10 +65952,10 @@ DUK_LOCAL void duk__parse_for_stmt(duk_compiler_ctx *comp_ctx, duk_ivalue *res,
* not needed if the enum is finished).
*/
pc_l4 = duk__get_current_pc(comp_ctx);
- duk__emit_extraop_b_c(comp_ctx,
- DUK_EXTRAOP_NEXTENUM | DUK__EMIT_FLAG_B_IS_TARGET | DUK__EMIT_FLAG_RESERVE_JUMPSLOT,
- (duk_regconst_t) (reg_temps + 0),
- (duk_regconst_t) (reg_temps + 1));
+ duk__emit_b_c(comp_ctx,
+ DUK_OP_NEXTENUM | DUK__EMIT_FLAG_B_IS_TARGET | DUK__EMIT_FLAG_RESERVE_JUMPSLOT,
+ (duk_regconst_t) (reg_temps + 0),
+ (duk_regconst_t) (reg_temps + 1));
pc_jumpto_l5 = comp_ctx->emit_jumpslot_pc; /* NEXTENUM jump slot: executed when enum finished */
duk__emit_jump(comp_ctx, pc_l1); /* jump to next loop, using reg_v34_iter as iterated value */
@@ -63045,7 +66069,7 @@ DUK_LOCAL void duk__parse_switch_stmt(duk_compiler_ctx *comp_ctx, duk_ivalue *re
reg_temp = DUK__ALLOCTEMP(comp_ctx);
duk__emit_a_b_c(comp_ctx,
- DUK_OP_SEQ,
+ DUK_OP_SEQ | DUK__EMIT_FLAG_BC_REGCONST,
(duk_regconst_t) reg_temp,
rc_switch,
rc_case);
@@ -63321,16 +66345,15 @@ DUK_LOCAL void duk__parse_break_or_continue_stmt(duk_compiler_ctx *comp_ctx, duk
(long) is_break, (long) label_id, (long) label_is_closest,
(long) label_catch_depth, (long) comp_ctx->curr_func.catch_depth));
- duk__emit_extraop_bc(comp_ctx,
- is_break ? DUK_EXTRAOP_BREAK : DUK_EXTRAOP_CONTINUE,
- (duk_regconst_t) label_id);
+ duk__emit_bc(comp_ctx,
+ is_break ? DUK_OP_BREAK : DUK_OP_CONTINUE,
+ (duk_regconst_t) label_id);
}
}
DUK_LOCAL void duk__parse_return_stmt(duk_compiler_ctx *comp_ctx, duk_ivalue *res) {
duk_hthread *thr = comp_ctx->thr;
duk_regconst_t rc_val;
- duk_small_uint_t ret_flags;
duk__advance(comp_ctx); /* eat 'return' */
@@ -63341,13 +66364,11 @@ DUK_LOCAL void duk__parse_return_stmt(duk_compiler_ctx *comp_ctx, duk_ivalue *re
DUK_ERROR_SYNTAX(thr, DUK_STR_INVALID_RETURN);
}
- ret_flags = 0;
-
if (comp_ctx->curr_token.t == DUK_TOK_SEMICOLON || /* explicit semi follows */
comp_ctx->curr_token.lineterm || /* automatic semi will be inserted */
comp_ctx->curr_token.allow_auto_semi) { /* automatic semi will be inserted */
DUK_DDD(DUK_DDDPRINT("empty return value -> undefined"));
- rc_val = 0;
+ duk__emit_op_only(comp_ctx, DUK_OP_RETUNDEF);
} else {
duk_int_t pc_before_expr;
duk_int_t pc_after_expr;
@@ -63361,8 +66382,8 @@ DUK_LOCAL void duk__parse_return_stmt(duk_compiler_ctx *comp_ctx, duk_ivalue *re
rc_val = duk__exprtop_toregconst(comp_ctx, res, DUK__BP_FOR_EXPR /*rbp_flags*/);
pc_after_expr = duk__get_current_pc(comp_ctx);
- /* Tail call check: if last opcode emitted was CALL(I), and
- * the context allows it, change the CALL(I) to a tail call.
+ /* Tail call check: if last opcode emitted was CALL, and
+ * the context allows it, change the CALL to TAILCALL.
* This doesn't guarantee that a tail call will be allowed at
* runtime, so the RETURN must still be emitted. (Duktape
* 0.10.0 avoided this and simulated a RETURN if a tail call
@@ -63371,7 +66392,7 @@ DUK_LOCAL void duk__parse_return_stmt(duk_compiler_ctx *comp_ctx, duk_ivalue *re
* test-bug-tailcall-thread-yield-resume.js for discussion.)
*
* In addition to the last opcode being CALL, we also need to
- * be sure that 'rc_val' is the result register of the CALL(I).
+ * be sure that 'rc_val' is the result register of the CALL.
* For instance, for the expression 'return 0, (function ()
* { return 1; }), 2' the last opcode emitted is CALL (no
* bytecode is emitted for '2') but 'rc_val' indicates
@@ -63400,31 +66421,37 @@ DUK_LOCAL void duk__parse_return_stmt(duk_compiler_ctx *comp_ctx, duk_ivalue *re
if (comp_ctx->curr_func.catch_depth == 0 && /* no catchers */
pc_after_expr > pc_before_expr) { /* at least one opcode emitted */
duk_compiler_instr *instr;
+ duk_instr_t ins;
duk_small_uint_t op;
instr = duk__get_instr_ptr(comp_ctx, pc_after_expr - 1);
DUK_ASSERT(instr != NULL);
- op = (duk_small_uint_t) DUK_DEC_OP(instr->ins);
- if ((op == DUK_OP_CALL || op == DUK_OP_CALLI) &&
+ ins = instr->ins;
+ op = (duk_small_uint_t) DUK_DEC_OP(ins);
+ if (op == DUK_OP_CALL &&
DUK__ISTEMP(comp_ctx, rc_val) /* see above */) {
DUK_DDD(DUK_DDDPRINT("return statement detected a tail call opportunity: "
"catch depth is 0, duk__exprtop() emitted >= 1 instructions, "
"and last instruction is a CALL "
- "-> set TAILCALL flag"));
- /* Just flip the single bit. */
- instr->ins |= DUK_ENC_OP_A_B_C(0, DUK_BC_CALL_FLAG_TAILCALL, 0, 0);
+ "-> change to TAILCALL"));
+ ins = (ins & ~DUK_BC_SHIFTED_MASK_OP) | (DUK_OP_TAILCALL << DUK_BC_SHIFT_OP);
+ instr->ins = ins;
}
}
#endif /* DUK_USE_TAILCALL */
- ret_flags = DUK_BC_RETURN_FLAG_HAVE_RETVAL;
+ if (DUK__ISREG(rc_val)) {
+ duk__emit_bc(comp_ctx, DUK_OP_RETREG, rc_val);
+ } else {
+ rc_val = DUK__REMOVECONST(rc_val);
+ if (duk__const_needs_refcount(comp_ctx, rc_val)) {
+ duk__emit_bc(comp_ctx, DUK_OP_RETCONST, rc_val);
+ } else {
+ duk__emit_bc(comp_ctx, DUK_OP_RETCONSTN, rc_val);
+ }
+ }
}
-
- duk__emit_a_b(comp_ctx,
- DUK_OP_RETURN | DUK__EMIT_FLAG_NO_SHUFFLE_A,
- (duk_regconst_t) ret_flags /*flags*/,
- rc_val /*reg*/);
}
DUK_LOCAL void duk__parse_throw_stmt(duk_compiler_ctx *comp_ctx, duk_ivalue *res) {
@@ -63439,9 +66466,9 @@ DUK_LOCAL void duk__parse_throw_stmt(duk_compiler_ctx *comp_ctx, duk_ivalue *res
}
reg_val = duk__exprtop_toreg(comp_ctx, res, DUK__BP_FOR_EXPR /*rbp_flags*/);
- duk__emit_extraop_bc(comp_ctx,
- DUK_EXTRAOP_THROW,
- (duk_regconst_t) reg_val);
+ duk__emit_bc(comp_ctx,
+ DUK_OP_THROW,
+ (duk_regconst_t) reg_val);
}
DUK_LOCAL void duk__parse_try_stmt(duk_compiler_ctx *comp_ctx, duk_ivalue *res) {
@@ -63495,8 +66522,8 @@ DUK_LOCAL void duk__parse_try_stmt(duk_compiler_ctx *comp_ctx, duk_ivalue *res)
duk__advance_expect(comp_ctx, DUK_TOK_LCURLY);
duk__parse_stmts(comp_ctx, 0 /*allow_source_elem*/, 0 /*expect_eof*/);
/* the DUK_TOK_RCURLY is eaten by duk__parse_stmts() */
- duk__emit_extraop_only(comp_ctx,
- DUK_EXTRAOP_ENDTRY);
+ duk__emit_op_only(comp_ctx,
+ DUK_OP_ENDTRY);
if (comp_ctx->curr_token.t == DUK_TOK_CATCH) {
/*
@@ -63612,8 +66639,8 @@ DUK_LOCAL void duk__parse_try_stmt(duk_compiler_ctx *comp_ctx, duk_ivalue *res)
DUK_DDD(DUK_DDDPRINT("varmap after restore catch clause: %!iT",
(duk_tval *) duk_get_tval(ctx, comp_ctx->curr_func.varmap_idx)));
- duk__emit_extraop_only(comp_ctx,
- DUK_EXTRAOP_ENDCATCH);
+ duk__emit_op_only(comp_ctx,
+ DUK_OP_ENDCATCH);
/*
* XXX: for now, indicate that an expensive catch binding
@@ -63636,9 +66663,9 @@ DUK_LOCAL void duk__parse_try_stmt(duk_compiler_ctx *comp_ctx, duk_ivalue *res)
duk__advance_expect(comp_ctx, DUK_TOK_LCURLY);
duk__parse_stmts(comp_ctx, 0 /*allow_source_elem*/, 0 /*expect_eof*/);
/* the DUK_TOK_RCURLY is eaten by duk__parse_stmts() */
- duk__emit_extraop_b(comp_ctx,
- DUK_EXTRAOP_ENDFIN,
- reg_catch); /* rethrow */
+ duk__emit_b(comp_ctx,
+ DUK_OP_ENDFIN,
+ reg_catch); /* rethrow */
}
if (!(trycatch_flags & DUK_BC_TRYCATCH_FLAG_HAVE_CATCH) &&
@@ -63709,8 +66736,8 @@ DUK_LOCAL void duk__parse_with_stmt(duk_compiler_ctx *comp_ctx, duk_ivalue *res)
duk__emit_invalid(comp_ctx); /* finished jump */
duk__parse_stmt(comp_ctx, res, 0 /*allow_source_elem*/);
- duk__emit_extraop_only(comp_ctx,
- DUK_EXTRAOP_ENDTRY);
+ duk__emit_op_only(comp_ctx,
+ DUK_OP_ENDTRY);
pc_finished = duk__get_current_pc(comp_ctx);
@@ -63728,9 +66755,9 @@ DUK_LOCAL duk_int_t duk__stmt_label_site(duk_compiler_ctx *comp_ctx, duk_int_t l
label_id = comp_ctx->curr_func.label_next++;
DUK_DDD(DUK_DDDPRINT("allocated new label id for label site: %ld", (long) label_id));
- duk__emit_extraop_bc(comp_ctx,
- DUK_EXTRAOP_LABEL,
- (duk_regconst_t) label_id);
+ duk__emit_bc(comp_ctx,
+ DUK_OP_LABEL,
+ (duk_regconst_t) label_id);
duk__emit_invalid(comp_ctx);
duk__emit_invalid(comp_ctx);
@@ -63838,30 +66865,40 @@ DUK_LOCAL void duk__parse_stmt(duk_compiler_ctx *comp_ctx, duk_ivalue *res, duk_
*/
duk_int_t fnum;
+#if defined(DUK_USE_ASSERTIONS)
+ duk_idx_t top_before;
+#endif
DUK_DDD(DUK_DDDPRINT("function declaration statement"));
+#if defined(DUK_USE_ASSERTIONS)
+ top_before = duk_get_top(ctx);
+#endif
+
duk__advance(comp_ctx); /* eat 'function' */
- fnum = duk__parse_func_like_fnum(comp_ctx, 1 /*is_decl*/, 0 /*is_setget*/);
+ fnum = duk__parse_func_like_fnum(comp_ctx, DUK__FUNC_FLAG_DECL | DUK__FUNC_FLAG_PUSHNAME_PASS1);
+ /* The value stack convention here is a bit odd: the function
+ * name is only pushed on pass 1 (in_scanning), and is needed
+ * to process function declarations.
+ */
if (comp_ctx->curr_func.in_scanning) {
duk_uarridx_t n;
- duk_hstring *h_funcname;
- duk_get_prop_index(ctx, comp_ctx->curr_func.funcs_idx, fnum * 3);
- duk_get_prop_stridx(ctx, -1, DUK_STRIDX_NAME); /* -> [ ... func name ] */
- h_funcname = duk_get_hstring(ctx, -1);
- DUK_ASSERT(h_funcname != NULL);
-
- DUK_DDD(DUK_DDDPRINT("register function declaration %!O in pass 1, fnum %ld",
- (duk_heaphdr *) h_funcname, (long) fnum));
+#if defined(DUK_USE_ASSERTIONS)
+ DUK_ASSERT(duk_get_top(ctx) == top_before + 1);
+#endif
+ DUK_DDD(DUK_DDDPRINT("register function declaration %!T in pass 1, fnum %ld",
+ duk_get_tval(ctx, -1), (long) fnum));
n = (duk_uarridx_t) duk_get_length(ctx, comp_ctx->curr_func.decls_idx);
- duk_push_hstring(ctx, h_funcname);
+ /* funcname is at index -1 */
duk_put_prop_index(ctx, comp_ctx->curr_func.decls_idx, n);
duk_push_int(ctx, (duk_int_t) (DUK_DECL_TYPE_FUNC + (fnum << 8)));
duk_put_prop_index(ctx, comp_ctx->curr_func.decls_idx, n + 1);
-
- duk_pop_n(ctx, 2);
+ } else {
+#if defined(DUK_USE_ASSERTIONS)
+ DUK_ASSERT(duk_get_top(ctx) == top_before);
+#endif
}
/* no statement value (unlike function expression) */
@@ -64010,7 +67047,7 @@ DUK_LOCAL void duk__parse_stmt(duk_compiler_ctx *comp_ctx, duk_ivalue *res, duk_
duk__advance(comp_ctx);
#if defined(DUK_USE_DEBUGGER_SUPPORT)
DUK_DDD(DUK_DDDPRINT("debugger statement: debugging enabled, emit debugger opcode"));
- duk__emit_extraop_only(comp_ctx, DUK_EXTRAOP_DEBUGGER);
+ duk__emit_op_only(comp_ctx, DUK_OP_DEBUGGER);
#else
DUK_DDD(DUK_DDDPRINT("debugger statement: ignored"));
#endif
@@ -64229,9 +67266,9 @@ DUK_LOCAL void duk__parse_stmt(duk_compiler_ctx *comp_ctx, duk_ivalue *res, duk_
*/
if (label_id >= 0) {
- duk__emit_extraop_bc(comp_ctx,
- DUK_EXTRAOP_ENDLABEL,
- (duk_regconst_t) label_id);
+ duk__emit_bc(comp_ctx,
+ DUK_OP_ENDLABEL,
+ (duk_regconst_t) label_id);
}
DUK__SETTEMP(comp_ctx, temp_at_entry);
@@ -64243,10 +67280,6 @@ DUK_LOCAL void duk__parse_stmt(duk_compiler_ctx *comp_ctx, duk_ivalue *res, duk_
DUK__RECURSION_DECREASE(comp_ctx, thr);
}
-#undef DUK__HAS_VAL
-#undef DUK__HAS_TERM
-#undef DUK__ALLOW_AUTO_SEMI_ALWAYS
-
/*
* Parse a statement list.
*
@@ -64356,11 +67389,11 @@ DUK_LOCAL void duk__init_varmap_and_prologue_for_pass2(duk_compiler_ctx *comp_ct
duk_regconst_t rc_name;
duk_small_uint_t declvar_flags;
duk_uarridx_t i;
-#ifdef DUK_USE_ASSERTIONS
+#if defined(DUK_USE_ASSERTIONS)
duk_idx_t entry_top;
#endif
-#ifdef DUK_USE_ASSERTIONS
+#if defined(DUK_USE_ASSERTIONS)
entry_top = duk_get_top(ctx);
#endif
@@ -64384,8 +67417,7 @@ DUK_LOCAL void duk__init_varmap_and_prologue_for_pass2(duk_compiler_ctx *comp_ct
for (i = 0; i < num_args; i++) {
duk_get_prop_index(ctx, comp_ctx->curr_func.argnames_idx, i);
- h_name = duk_get_hstring(ctx, -1);
- DUK_ASSERT(h_name != NULL);
+ h_name = duk_known_hstring(ctx, -1);
if (comp_ctx->curr_func.is_strict) {
if (duk__hstring_is_eval_or_arguments(comp_ctx, h_name)) {
@@ -64523,7 +67555,7 @@ DUK_LOCAL void duk__init_varmap_and_prologue_for_pass2(duk_compiler_ctx *comp_ct
}
duk__emit_a_b_c(comp_ctx,
- DUK_OP_DECLVAR | DUK__EMIT_FLAG_NO_SHUFFLE_A,
+ DUK_OP_DECLVAR | DUK__EMIT_FLAG_NO_SHUFFLE_A | DUK__EMIT_FLAG_BC_REGCONST,
(duk_regconst_t) declvar_flags /*flags*/,
rc_name /*name*/,
(duk_regconst_t) reg_temp /*value*/);
@@ -64577,8 +67609,7 @@ DUK_LOCAL void duk__init_varmap_and_prologue_for_pass2(duk_compiler_ctx *comp_ct
/* shadowed, ignore */
} else {
duk_get_prop_index(ctx, comp_ctx->curr_func.decls_idx, i); /* decl name */
- h_name = duk_get_hstring(ctx, -1);
- DUK_ASSERT(h_name != NULL);
+ h_name = duk_known_hstring(ctx, -1);
if (h_name == DUK_HTHREAD_STRING_LC_ARGUMENTS(thr) &&
!comp_ctx->curr_func.is_arguments_shadowed) {
@@ -64608,7 +67639,7 @@ DUK_LOCAL void duk__init_varmap_and_prologue_for_pass2(duk_compiler_ctx *comp_ct
}
duk__emit_a_b_c(comp_ctx,
- DUK_OP_DECLVAR | DUK__EMIT_FLAG_NO_SHUFFLE_A,
+ DUK_OP_DECLVAR | DUK__EMIT_FLAG_NO_SHUFFLE_A | DUK__EMIT_FLAG_BC_REGCONST,
(duk_regconst_t) declvar_flags /*flags*/,
rc_name /*name*/,
(duk_regconst_t) 0 /*value*/);
@@ -64723,9 +67754,9 @@ DUK_LOCAL void duk__parse_func_body(duk_compiler_ctx *comp_ctx, duk_bool_t expec
* it here.
*/
#if 0
- duk__emit_extraop_bc(comp_ctx,
- DUK_EXTRAOP_LDUNDEF,
- 0);
+ duk__emit_bc(comp_ctx,
+ DUK_OP_LDUNDEF,
+ 0);
#endif
}
@@ -64741,6 +67772,7 @@ DUK_LOCAL void duk__parse_func_body(duk_compiler_ctx *comp_ctx, duk_bool_t expec
func->may_direct_eval = 0;
func->id_access_arguments = 0;
func->id_access_slow = 0;
+ func->id_access_slow_own = 0;
func->reg_stmt_value = reg_stmt_value;
#if defined(DUK_USE_DEBUGGER_SUPPORT)
func->min_line = DUK_INT_MAX;
@@ -64830,6 +67862,7 @@ DUK_LOCAL void duk__parse_func_body(duk_compiler_ctx *comp_ctx, duk_bool_t expec
/* XXX: init or assert catch depth etc -- all values */
func->id_access_arguments = 0;
func->id_access_slow = 0;
+ func->id_access_slow_own = 0;
/*
* Check function name validity now that we know strictness.
@@ -64864,9 +67897,9 @@ DUK_LOCAL void duk__parse_func_body(duk_compiler_ctx *comp_ctx, duk_bool_t expec
if (implicit_return_value) {
/* Default implicit return value. */
- duk__emit_extraop_bc(comp_ctx,
- DUK_EXTRAOP_LDUNDEF,
- 0);
+ duk__emit_bc(comp_ctx,
+ DUK_OP_LDUNDEF,
+ 0);
}
DUK_DDD(DUK_DDDPRINT("begin 2nd pass"));
@@ -64884,7 +67917,7 @@ DUK_LOCAL void duk__parse_func_body(duk_compiler_ctx *comp_ctx, duk_bool_t expec
if (compile_round >= 3) {
/* Should never happen but avoid infinite loop just in case. */
DUK_D(DUK_DPRINT("more than 3 compile passes needed, should never happen"));
- DUK_ERROR_INTERNAL_DEFMSG(thr);
+ DUK_ERROR_INTERNAL(thr);
}
DUK_D(DUK_DPRINT("need additional round to compile function, round now %d", (int) compile_round));
}
@@ -64906,15 +67939,10 @@ DUK_LOCAL void duk__parse_func_body(duk_compiler_ctx *comp_ctx, duk_bool_t expec
DUK_ASSERT(comp_ctx->curr_func.catch_depth == 0);
if (reg_stmt_value >= 0) {
- duk__emit_a_b(comp_ctx,
- DUK_OP_RETURN | DUK__EMIT_FLAG_NO_SHUFFLE_A,
- (duk_regconst_t) DUK_BC_RETURN_FLAG_HAVE_RETVAL /*flags*/,
- (duk_regconst_t) reg_stmt_value /*reg*/);
+ DUK_ASSERT(DUK__ISREG(reg_stmt_value));
+ duk__emit_bc(comp_ctx, DUK_OP_RETREG, (duk_regconst_t) reg_stmt_value /*reg*/);
} else {
- duk__emit_a_b(comp_ctx,
- DUK_OP_RETURN | DUK__EMIT_FLAG_NO_SHUFFLE_A,
- (duk_regconst_t) 0 /*flags*/,
- (duk_regconst_t) 0 /*reg(ignored)*/);
+ duk__emit_op_only(comp_ctx, DUK_OP_RETUNDEF);
}
/*
@@ -65001,16 +68029,17 @@ DUK_LOCAL void duk__parse_func_formals(duk_compiler_ctx *comp_ctx) {
* correctly set up. Assumes that curr_token is just after 'function' (or
* 'set'/'get' etc).
*/
-DUK_LOCAL void duk__parse_func_like_raw(duk_compiler_ctx *comp_ctx, duk_bool_t is_decl, duk_bool_t is_setget) {
+DUK_LOCAL void duk__parse_func_like_raw(duk_compiler_ctx *comp_ctx, duk_small_uint_t flags) {
duk_hthread *thr = comp_ctx->thr;
duk_context *ctx = (duk_context *) thr;
+ duk_token *tok;
+ duk_bool_t no_advance;
DUK_ASSERT(comp_ctx->curr_func.num_formals == 0);
DUK_ASSERT(comp_ctx->curr_func.is_function == 1);
DUK_ASSERT(comp_ctx->curr_func.is_eval == 0);
DUK_ASSERT(comp_ctx->curr_func.is_global == 0);
- DUK_ASSERT(comp_ctx->curr_func.is_setget == is_setget);
- DUK_ASSERT(comp_ctx->curr_func.is_decl == is_decl);
+ DUK_ASSERT(comp_ctx->curr_func.is_setget == ((flags & DUK__FUNC_FLAG_GETSET) != 0));
duk__update_lineinfo_currtoken(comp_ctx);
@@ -65025,43 +68054,55 @@ DUK_LOCAL void duk__parse_func_like_raw(duk_compiler_ctx *comp_ctx, duk_bool_t i
* be an Identifer (excludes reserved words). For setter/getter
* it is a PropertyName which allows reserved words and also
* strings and numbers (e.g. "{ get 1() { ... } }").
+ *
+ * Function parsing may start either from prev_token or curr_token
+ * (object literal method definition uses prev_token for example).
+ * This is dealt with for the initial token.
*/
- if (is_setget) {
+ no_advance = (flags & DUK__FUNC_FLAG_USE_PREVTOKEN);
+ if (no_advance) {
+ tok = &comp_ctx->prev_token;
+ } else {
+ tok = &comp_ctx->curr_token;
+ }
+
+ if (flags & DUK__FUNC_FLAG_GETSET) {
/* PropertyName -> IdentifierName | StringLiteral | NumericLiteral */
- if (comp_ctx->curr_token.t_nores == DUK_TOK_IDENTIFIER ||
- comp_ctx->curr_token.t == DUK_TOK_STRING) {
- duk_push_hstring(ctx, comp_ctx->curr_token.str1); /* keep in valstack */
- } else if (comp_ctx->curr_token.t == DUK_TOK_NUMBER) {
- duk_push_number(ctx, comp_ctx->curr_token.num);
+ if (tok->t_nores == DUK_TOK_IDENTIFIER || tok->t == DUK_TOK_STRING) {
+ duk_push_hstring(ctx, tok->str1); /* keep in valstack */
+ } else if (tok->t == DUK_TOK_NUMBER) {
+ duk_push_number(ctx, tok->num);
duk_to_string(ctx, -1);
} else {
DUK_ERROR_SYNTAX(thr, DUK_STR_INVALID_GETSET_NAME);
}
- comp_ctx->curr_func.h_name = duk_get_hstring(ctx, -1); /* borrowed reference */
- DUK_ASSERT(comp_ctx->curr_func.h_name != NULL);
- duk__advance(comp_ctx);
+ comp_ctx->curr_func.h_name = duk_known_hstring(ctx, -1); /* borrowed reference */
} else {
/* Function name is an Identifier (not IdentifierName), but we get
* the raw name (not recognizing keywords) here and perform the name
* checks only after pass 1.
*/
- if (comp_ctx->curr_token.t_nores == DUK_TOK_IDENTIFIER) {
- duk_push_hstring(ctx, comp_ctx->curr_token.str1); /* keep in valstack */
- comp_ctx->curr_func.h_name = duk_get_hstring(ctx, -1); /* borrowed reference */
- DUK_ASSERT(comp_ctx->curr_func.h_name != NULL);
- duk__advance(comp_ctx);
+ if (tok->t_nores == DUK_TOK_IDENTIFIER) {
+ duk_push_hstring(ctx, tok->str1); /* keep in valstack */
+ comp_ctx->curr_func.h_name = duk_known_hstring(ctx, -1); /* borrowed reference */
} else {
/* valstack will be unbalanced, which is OK */
- DUK_ASSERT(!is_setget);
- if (is_decl) {
+ DUK_ASSERT((flags & DUK__FUNC_FLAG_GETSET) == 0);
+ DUK_ASSERT(comp_ctx->curr_func.h_name == NULL);
+ no_advance = 1;
+ if (flags & DUK__FUNC_FLAG_DECL) {
DUK_ERROR_SYNTAX(thr, DUK_STR_FUNC_NAME_REQUIRED);
}
}
}
- DUK_DDD(DUK_DDDPRINT("function name: %!O",
- (duk_heaphdr *) comp_ctx->curr_func.h_name));
+ DUK_DD(DUK_DDPRINT("function name: %!O",
+ (duk_heaphdr *) comp_ctx->curr_func.h_name));
+
+ if (!no_advance) {
+ duk__advance(comp_ctx);
+ }
/*
* Formal argument list
@@ -65092,7 +68133,7 @@ DUK_LOCAL void duk__parse_func_like_raw(duk_compiler_ctx *comp_ctx, duk_bool_t i
* to the parent function table.
*/
- duk__convert_to_func_template(comp_ctx, is_setget /*force_no_namebind*/); /* -> [ ... func ] */
+ duk__convert_to_func_template(comp_ctx); /* -> [ ... func ] */
}
/* Parse an inner function, adding the function template to the current function's
@@ -65109,7 +68150,7 @@ DUK_LOCAL void duk__parse_func_like_raw(duk_compiler_ctx *comp_ctx, duk_bool_t i
* need that information at the moment, but it would allow some optimizations if it
* were used.
*/
-DUK_LOCAL duk_int_t duk__parse_func_like_fnum(duk_compiler_ctx *comp_ctx, duk_bool_t is_decl, duk_bool_t is_setget) {
+DUK_LOCAL duk_int_t duk__parse_func_like_fnum(duk_compiler_ctx *comp_ctx, duk_small_uint_t flags) {
duk_hthread *thr = comp_ctx->thr;
duk_context *ctx = (duk_context *) thr;
duk_compiler_func old_func;
@@ -65161,18 +68202,26 @@ DUK_LOCAL duk_int_t duk__parse_func_like_fnum(duk_compiler_ctx *comp_ctx, duk_bo
/* inherit initial strictness from parent */
comp_ctx->curr_func.is_strict = old_func.is_strict;
+ /* XXX: It might be better to just store the flags into the curr_func
+ * struct and use them as is without this flag interpretation step
+ * here.
+ */
DUK_ASSERT(comp_ctx->curr_func.is_notail == 0);
comp_ctx->curr_func.is_function = 1;
DUK_ASSERT(comp_ctx->curr_func.is_eval == 0);
DUK_ASSERT(comp_ctx->curr_func.is_global == 0);
- comp_ctx->curr_func.is_setget = is_setget;
- comp_ctx->curr_func.is_decl = is_decl;
+ comp_ctx->curr_func.is_setget = ((flags & DUK__FUNC_FLAG_GETSET) != 0);
+ comp_ctx->curr_func.is_namebinding = !(flags & (DUK__FUNC_FLAG_GETSET |
+ DUK__FUNC_FLAG_METDEF |
+ DUK__FUNC_FLAG_DECL)); /* no name binding for: declarations, objlit getset, objlit method def */
+ comp_ctx->curr_func.is_constructable = !(flags & (DUK__FUNC_FLAG_GETSET |
+ DUK__FUNC_FLAG_METDEF)); /* not constructable: objlit getset, objlit method def */
/*
* Parse inner function
*/
- duk__parse_func_like_raw(comp_ctx, is_decl, is_setget); /* pushes function template */
+ duk__parse_func_like_raw(comp_ctx, flags); /* pushes function template */
/* prev_token.start_offset points to the closing brace here; when skipping
* we're going to reparse the closing brace to ensure semicolon insertion
@@ -65199,12 +68248,20 @@ DUK_LOCAL duk_int_t duk__parse_func_like_fnum(duk_compiler_ctx *comp_ctx, duk_bo
/*
* Cleanup: restore original function, restore valstack state.
+ *
+ * Function declaration handling needs the function name to be pushed
+ * on the value stack.
*/
+ if (flags & DUK__FUNC_FLAG_PUSHNAME_PASS1) {
+ DUK_ASSERT(comp_ctx->curr_func.h_name != NULL);
+ duk_push_hstring(ctx, comp_ctx->curr_func.h_name);
+ duk_replace(ctx, entry_top);
+ duk_set_top(ctx, entry_top + 1);
+ } else {
+ duk_set_top(ctx, entry_top);
+ }
DUK_MEMCPY((void *) &comp_ctx->curr_func, (void *) &old_func, sizeof(duk_compiler_func));
- duk_set_top(ctx, entry_top);
-
- DUK_ASSERT_TOP(ctx, entry_top);
return fnum;
}
@@ -65223,7 +68280,7 @@ DUK_LOCAL duk_int_t duk__parse_func_like_fnum(duk_compiler_ctx *comp_ctx, duk_bo
/* XXX: source code property */
-DUK_LOCAL duk_ret_t duk__js_compile_raw(duk_context *ctx) {
+DUK_LOCAL duk_ret_t duk__js_compile_raw(duk_context *ctx, void *udata) {
duk_hthread *thr = (duk_hthread *) ctx;
duk_hstring *h_filename;
duk__compiler_stkstate *comp_stk;
@@ -65237,15 +68294,16 @@ DUK_LOCAL duk_ret_t duk__js_compile_raw(duk_context *ctx) {
duk_small_uint_t flags;
DUK_ASSERT(thr != NULL);
+ DUK_ASSERT(udata != NULL);
/*
* Arguments check
*/
entry_top = duk_get_top(ctx);
- DUK_ASSERT(entry_top >= 2);
+ DUK_ASSERT(entry_top >= 1);
- comp_stk = (duk__compiler_stkstate *) duk_require_pointer(ctx, -1);
+ comp_stk = (duk__compiler_stkstate *) udata;
comp_ctx = &comp_stk->comp_ctx_alloc;
lex_pt = &comp_stk->lex_pt_alloc;
DUK_ASSERT(comp_ctx != NULL);
@@ -65256,14 +68314,14 @@ DUK_LOCAL duk_ret_t duk__js_compile_raw(duk_context *ctx) {
is_strict = (flags & DUK_JS_COMPILE_FLAG_STRICT ? 1 : 0);
is_funcexpr = (flags & DUK_JS_COMPILE_FLAG_FUNCEXPR ? 1 : 0);
- h_filename = duk_get_hstring(ctx, -2); /* may be undefined */
+ h_filename = duk_get_hstring(ctx, -1); /* may be undefined */
/*
* Init compiler and lexer contexts
*/
func = &comp_ctx->curr_func;
-#ifdef DUK_USE_EXPLICIT_NULL_INIT
+#if defined(DUK_USE_EXPLICIT_NULL_INIT)
comp_ctx->thr = NULL;
comp_ctx->h_filename = NULL;
comp_ctx->prev_token.str1 = NULL;
@@ -65296,8 +68354,7 @@ DUK_LOCAL duk_ret_t duk__js_compile_raw(duk_context *ctx) {
comp_ctx->lex.slot1_idx = comp_ctx->tok11_idx;
comp_ctx->lex.slot2_idx = comp_ctx->tok12_idx;
comp_ctx->lex.buf_idx = entry_top + 0;
- comp_ctx->lex.buf = (duk_hbuffer_dynamic *) duk_get_hbuffer(ctx, entry_top + 0);
- DUK_ASSERT(comp_ctx->lex.buf != NULL);
+ comp_ctx->lex.buf = (duk_hbuffer_dynamic *) duk_known_hbuffer(ctx, entry_top + 0);
DUK_ASSERT(DUK_HBUFFER_HAS_DYNAMIC(comp_ctx->lex.buf) && !DUK_HBUFFER_HAS_EXTERNAL(comp_ctx->lex.buf));
comp_ctx->lex.token_limit = DUK_COMPILER_TOKEN_LIMIT;
@@ -65330,24 +68387,26 @@ DUK_LOCAL duk_ret_t duk__js_compile_raw(duk_context *ctx) {
* on flags.
*/
+ DUK_ASSERT(func->is_setget == 0);
func->is_strict = is_strict;
- func->is_setget = 0;
- func->is_decl = 0;
+ DUK_ASSERT(func->is_notail == 0);
if (is_funcexpr) {
func->is_function = 1;
- func->is_eval = 0;
- func->is_global = 0;
+ DUK_ASSERT(func->is_eval == 0);
+ DUK_ASSERT(func->is_global == 0);
+ func->is_namebinding = 1;
+ func->is_constructable = 1;
duk__advance(comp_ctx); /* init 'curr_token' */
duk__advance_expect(comp_ctx, DUK_TOK_FUNCTION);
- (void) duk__parse_func_like_raw(comp_ctx,
- 0, /* is_decl */
- 0); /* is_setget */
+ (void) duk__parse_func_like_raw(comp_ctx, 0 /*flags*/);
} else {
- func->is_function = 0;
+ DUK_ASSERT(func->is_function == 0);
func->is_eval = is_eval;
func->is_global = !is_eval;
+ DUK_ASSERT(func->is_namebinding == 0);
+ DUK_ASSERT(func->is_constructable == 0);
duk__parse_func_body(comp_ctx,
1, /* expect_eof */
@@ -65359,7 +68418,7 @@ DUK_LOCAL duk_ret_t duk__js_compile_raw(duk_context *ctx) {
* Convert duk_compiler_func to a function template
*/
- duk__convert_to_func_template(comp_ctx, 0 /*force_no_namebind*/);
+ duk__convert_to_func_template(comp_ctx);
/*
* Wrapping duk_safe_call() will mangle the stack, just return stack top
@@ -65376,11 +68435,6 @@ DUK_INTERNAL void duk_js_compile(duk_hthread *thr, const duk_uint8_t *src_buffer
duk_compiler_ctx *prev_ctx;
duk_ret_t safe_rc;
- /* XXX: this illustrates that a C catchpoint implemented using duk_safe_call()
- * is a bit heavy at the moment. The wrapper compiles to ~180 bytes on x64.
- * Alternatives would be nice.
- */
-
DUK_ASSERT(thr != NULL);
DUK_ASSERT(src_buffer != NULL);
@@ -65391,27 +68445,109 @@ DUK_INTERNAL void duk_js_compile(duk_hthread *thr, const duk_uint8_t *src_buffer
comp_stk.comp_ctx_alloc.lex.input = src_buffer;
comp_stk.comp_ctx_alloc.lex.input_length = src_length;
- duk_push_pointer(ctx, (void *) &comp_stk);
-
- /* [ ... filename &comp_stk ] */
+ /* [ ... filename ] */
prev_ctx = thr->compile_ctx;
thr->compile_ctx = &comp_stk.comp_ctx_alloc; /* for duk_error_augment.c */
- safe_rc = duk_safe_call(ctx, duk__js_compile_raw, 2 /*nargs*/, 1 /*nret*/);
+ safe_rc = duk_safe_call(ctx, duk__js_compile_raw, (void *) &comp_stk /*udata*/, 1 /*nargs*/, 1 /*nret*/);
thr->compile_ctx = prev_ctx; /* must restore reliably before returning */
if (safe_rc != DUK_EXEC_SUCCESS) {
- duk_throw(ctx);
+ DUK_D(DUK_DPRINT("compilation failed: %!T", duk_get_tval(ctx, -1)));
+ (void) duk_throw(ctx);
}
/* [ ... template ] */
}
-#line 1 "duk_js_executor.c"
+
+/* automatic undefs */
+#undef DUK__ALLOCTEMP
+#undef DUK__ALLOCTEMPS
+#undef DUK__ALLOW_AUTO_SEMI_ALWAYS
+#undef DUK__BC_INITIAL_INSTS
+#undef DUK__BP_ADDITIVE
+#undef DUK__BP_ASSIGNMENT
+#undef DUK__BP_BAND
+#undef DUK__BP_BOR
+#undef DUK__BP_BXOR
+#undef DUK__BP_CALL
+#undef DUK__BP_CLOSING
+#undef DUK__BP_COMMA
+#undef DUK__BP_CONDITIONAL
+#undef DUK__BP_EOF
+#undef DUK__BP_EQUALITY
+#undef DUK__BP_EXPONENTIATION
+#undef DUK__BP_FOR_EXPR
+#undef DUK__BP_INVALID
+#undef DUK__BP_LAND
+#undef DUK__BP_LOR
+#undef DUK__BP_MEMBER
+#undef DUK__BP_MULTIPLICATIVE
+#undef DUK__BP_POSTFIX
+#undef DUK__BP_RELATIONAL
+#undef DUK__BP_SHIFT
+#undef DUK__COMPILE_ENTRY_SLOTS
+#undef DUK__CONST_MARKER
+#undef DUK__DUMP_ISPEC
+#undef DUK__DUMP_IVALUE
+#undef DUK__EMIT_FLAG_A_IS_SOURCE
+#undef DUK__EMIT_FLAG_BC_REGCONST
+#undef DUK__EMIT_FLAG_B_IS_TARGET
+#undef DUK__EMIT_FLAG_C_IS_TARGET
+#undef DUK__EMIT_FLAG_NO_SHUFFLE_A
+#undef DUK__EMIT_FLAG_NO_SHUFFLE_B
+#undef DUK__EMIT_FLAG_NO_SHUFFLE_C
+#undef DUK__EMIT_FLAG_RESERVE_JUMPSLOT
+#undef DUK__EXPR_FLAG_ALLOW_EMPTY
+#undef DUK__EXPR_FLAG_REJECT_IN
+#undef DUK__EXPR_FLAG_REQUIRE_INIT
+#undef DUK__EXPR_RBP_MASK
+#undef DUK__FUNCTION_BODY_REQUIRE_SLOTS
+#undef DUK__FUNCTION_INIT_REQUIRE_SLOTS
+#undef DUK__FUNC_FLAG_DECL
+#undef DUK__FUNC_FLAG_GETSET
+#undef DUK__FUNC_FLAG_METDEF
+#undef DUK__FUNC_FLAG_PUSHNAME_PASS1
+#undef DUK__FUNC_FLAG_USE_PREVTOKEN
+#undef DUK__GETCONST_MAX_CONSTS_CHECK
+#undef DUK__GETTEMP
+#undef DUK__HAS_TERM
+#undef DUK__HAS_VAL
+#undef DUK__ISCONST
+#undef DUK__ISREG
+#undef DUK__ISTEMP
+#undef DUK__IS_TERMINAL
+#undef DUK__IVAL_FLAG_ALLOW_CONST
+#undef DUK__IVAL_FLAG_REQUIRE_SHORT
+#undef DUK__IVAL_FLAG_REQUIRE_TEMP
+#undef DUK__MAX_ARRAY_INIT_VALUES
+#undef DUK__MAX_CONSTS
+#undef DUK__MAX_FUNCS
+#undef DUK__MAX_OBJECT_INIT_PAIRS
+#undef DUK__MAX_TEMPS
+#undef DUK__MK_LBP
+#undef DUK__MK_LBP_FLAGS
+#undef DUK__OBJ_LIT_KEY_GET
+#undef DUK__OBJ_LIT_KEY_PLAIN
+#undef DUK__OBJ_LIT_KEY_SET
+#undef DUK__PARSE_EXPR_SLOTS
+#undef DUK__PARSE_STATEMENTS_SLOTS
+#undef DUK__RECURSION_DECREASE
+#undef DUK__RECURSION_INCREASE
+#undef DUK__REMOVECONST
+#undef DUK__SETTEMP
+#undef DUK__SETTEMP_CHECKMAX
+#undef DUK__STILL_PROLOGUE
+#undef DUK__TOKEN_LBP_BP_MASK
+#undef DUK__TOKEN_LBP_FLAG_NO_REGEXP
+#undef DUK__TOKEN_LBP_FLAG_TERMINATES
+#undef DUK__TOKEN_LBP_FLAG_UNUSED
+#undef DUK__TOKEN_LBP_GET_BP
/*
* Ecmascript bytecode executor.
*/
-/* include removed: duk_internal.h */
+/* #include duk_internal.h -> already included */
/*
* Local declarations.
@@ -65420,6 +68556,53 @@ DUK_INTERNAL void duk_js_compile(duk_hthread *thr, const duk_uint8_t *src_buffer
DUK_LOCAL_DECL void duk__js_execute_bytecode_inner(duk_hthread *entry_thread, duk_size_t entry_callstack_top);
/*
+ * Misc helpers.
+ */
+
+/* Forced inline declaration, only applied for performance oriented build. */
+#if defined(DUK_USE_EXEC_PREFER_SIZE)
+#define DUK__INLINE_PERF
+#else
+#define DUK__INLINE_PERF DUK_ALWAYS_INLINE
+#endif
+
+/* Replace value stack top to value at 'tv_ptr'. Optimize for
+ * performance by only applying the net refcount change.
+ */
+#define DUK__REPLACE_TO_TVPTR(thr,tv_ptr) do { \
+ duk_hthread *duk__thr; \
+ duk_tval *duk__tvsrc; \
+ duk_tval *duk__tvdst; \
+ duk_tval duk__tvtmp; \
+ duk__thr = (thr); \
+ duk__tvsrc = DUK_GET_TVAL_NEGIDX((duk_context *) duk__thr, -1); \
+ duk__tvdst = (tv_ptr); \
+ DUK_TVAL_SET_TVAL(&duk__tvtmp, duk__tvdst); \
+ DUK_TVAL_SET_TVAL(duk__tvdst, duk__tvsrc); \
+ DUK_TVAL_SET_UNDEFINED(duk__tvsrc); /* value stack init policy */ \
+ duk__thr->valstack_top = duk__tvsrc; \
+ DUK_TVAL_DECREF(duk__thr, &duk__tvtmp); \
+ } while (0)
+
+/* XXX: candidate of being an internal shared API call */
+#if !defined(DUK_USE_EXEC_PREFER_SIZE)
+DUK_LOCAL void duk__push_tvals_incref_only(duk_hthread *thr, duk_tval *tv_src, duk_small_uint_fast_t count) {
+ duk_tval *tv_dst;
+ duk_size_t copy_size;
+ duk_size_t i;
+
+ tv_dst = thr->valstack_top;
+ copy_size = sizeof(duk_tval) * count;
+ DUK_MEMCPY((void *) tv_dst, (const void *) tv_src, copy_size);
+ for (i = 0; i < count; i++) {
+ DUK_TVAL_INCREF(thr, tv_dst);
+ tv_dst++;
+ }
+ thr->valstack_top = tv_dst;
+}
+#endif
+
+/*
* Arithmetic, binary, and logical helpers.
*
* Note: there is no opcode for logical AND or logical OR; this is on
@@ -65434,19 +68617,17 @@ DUK_LOCAL_DECL void duk__js_execute_bytecode_inner(duk_hthread *entry_thread, du
* possible.
*/
-DUK_LOCAL duk_double_t duk__compute_mod(duk_double_t d1, duk_double_t d2) {
- /*
- * Ecmascript modulus ('%') does not match IEEE 754 "remainder"
- * operation (implemented by remainder() in C99) but does seem
- * to match ANSI C fmod().
- *
- * Compare E5 Section 11.5.3 and "man fmod".
- */
+DUK_LOCAL DUK__INLINE_PERF duk_double_t duk__compute_mod(duk_double_t d1, duk_double_t d2) {
+ return (duk_double_t) duk_js_arith_mod((double) d1, (double) d2);
+}
- return (duk_double_t) DUK_FMOD((double) d1, (double) d2);
+#if defined(DUK_USE_ES7_EXP_OPERATOR)
+DUK_LOCAL DUK__INLINE_PERF duk_double_t duk__compute_exp(duk_double_t d1, duk_double_t d2) {
+ return (duk_double_t) duk_js_arith_pow((double) d1, (double) d2);
}
+#endif
-DUK_LOCAL void duk__vm_arith_add(duk_hthread *thr, duk_tval *tv_x, duk_tval *tv_y, duk_small_uint_fast_t idx_z) {
+DUK_LOCAL DUK__INLINE_PERF void duk__vm_arith_add(duk_hthread *thr, duk_tval *tv_x, duk_tval *tv_y, duk_small_uint_fast_t idx_z) {
/*
* Addition operator is different from other arithmetic
* operations in that it also provides string concatenation.
@@ -65503,14 +68684,20 @@ DUK_LOCAL void duk__vm_arith_add(duk_hthread *thr, duk_tval *tv_x, duk_tval *tv_
#endif /* DUK_USE_FASTINT */
if (DUK_TVAL_IS_NUMBER(tv_x) && DUK_TVAL_IS_NUMBER(tv_y)) {
+#if !defined(DUK_USE_EXEC_PREFER_SIZE)
duk_tval *tv_z;
+#endif
du.d = DUK_TVAL_GET_NUMBER(tv_x) + DUK_TVAL_GET_NUMBER(tv_y);
+#if defined(DUK_USE_EXEC_PREFER_SIZE)
+ duk_push_number(ctx, du.d); /* will NaN normalize result */
+ duk_replace(ctx, idx_z);
+#else /* DUK_USE_EXEC_PREFER_SIZE */
DUK_DBLUNION_NORMALIZE_NAN_CHECK(&du);
DUK_ASSERT(DUK_DBLUNION_IS_NORMALIZED(&du));
-
tv_z = thr->valstack_bottom + idx_z;
DUK_TVAL_SET_NUMBER_UPDREF(thr, tv_z, du.d); /* side effects */
+#endif /* DUK_USE_EXEC_PREFER_SIZE */
return;
}
@@ -65523,37 +68710,35 @@ DUK_LOCAL void duk__vm_arith_add(duk_hthread *thr, duk_tval *tv_x, duk_tval *tv_
duk_to_primitive(ctx, -2, DUK_HINT_NONE); /* side effects -> don't use tv_x, tv_y after */
duk_to_primitive(ctx, -1, DUK_HINT_NONE);
- /* As a first approximation, buffer values are coerced to strings
- * for addition. This means that adding two buffers currently
- * results in a string.
- */
- if (duk_check_type_mask(ctx, -2, DUK_TYPE_MASK_STRING | DUK_TYPE_MASK_BUFFER) ||
- duk_check_type_mask(ctx, -1, DUK_TYPE_MASK_STRING | DUK_TYPE_MASK_BUFFER)) {
+ /* Since Duktape 2.x plain buffers are treated like ArrayBuffer. */
+ if (duk_is_string(ctx, -2) || duk_is_string(ctx, -1)) {
+ /* Symbols shouldn't technically be handled here, but should
+ * go into the default ToNumber() coercion path instead and
+ * fail there with a TypeError. However, there's a ToString()
+ * here which also fails with TypeError so no explicit check
+ * is needed.
+ */
duk_to_string(ctx, -2);
duk_to_string(ctx, -1);
duk_concat(ctx, 2); /* [... s1 s2] -> [... s1+s2] */
- duk_replace(ctx, (duk_idx_t) idx_z); /* side effects */
} else {
duk_double_t d1, d2;
- d1 = duk_to_number(ctx, -2);
- d2 = duk_to_number(ctx, -1);
+ d1 = duk_to_number_m2(ctx);
+ d2 = duk_to_number_m1(ctx);
DUK_ASSERT(duk_is_number(ctx, -2));
DUK_ASSERT(duk_is_number(ctx, -1));
DUK_ASSERT_DOUBLE_IS_NORMALIZED(d1);
DUK_ASSERT_DOUBLE_IS_NORMALIZED(d2);
du.d = d1 + d2;
- DUK_DBLUNION_NORMALIZE_NAN_CHECK(&du);
- DUK_ASSERT(DUK_DBLUNION_IS_NORMALIZED(&du));
-
duk_pop_2(ctx);
- duk_push_number(ctx, du.d);
- duk_replace(ctx, (duk_idx_t) idx_z); /* side effects */
+ duk_push_number(ctx, du.d); /* will NaN normalize result */
}
+ duk_replace(ctx, (duk_idx_t) idx_z); /* side effects */
}
-DUK_LOCAL void duk__vm_arith_binary_op(duk_hthread *thr, duk_tval *tv_x, duk_tval *tv_y, duk_idx_t idx_z, duk_small_uint_fast_t opcode) {
+DUK_LOCAL DUK__INLINE_PERF void duk__vm_arith_binary_op(duk_hthread *thr, duk_tval *tv_x, duk_tval *tv_y, duk_idx_t idx_z, duk_small_uint_fast_t opcode) {
/*
* Arithmetic operations other than '+' have number-only semantics
* and are implemented here. The separate switch-case here means a
@@ -65563,9 +68748,12 @@ DUK_LOCAL void duk__vm_arith_binary_op(duk_hthread *thr, duk_tval *tv_x, duk_tva
*/
duk_context *ctx = (duk_context *) thr;
- duk_tval *tv_z;
duk_double_t d1, d2;
duk_double_union du;
+ duk_small_uint_fast_t opcode_shifted;
+#if defined(DUK_USE_FASTINT) || !defined(DUK_USE_EXEC_PREFER_SIZE)
+ duk_tval *tv_z;
+#endif
DUK_ASSERT(thr != NULL);
DUK_ASSERT(ctx != NULL);
@@ -65574,6 +68762,8 @@ DUK_LOCAL void duk__vm_arith_binary_op(duk_hthread *thr, duk_tval *tv_x, duk_tva
DUK_ASSERT_DISABLE(idx_z >= 0); /* unsigned */
DUK_ASSERT((duk_uint_t) idx_z < (duk_uint_t) duk_get_top(ctx));
+ opcode_shifted = opcode >> 2; /* Get base opcode without reg/const modifiers. */
+
#if defined(DUK_USE_FASTINT)
if (DUK_TVAL_IS_FASTINT(tv_x) && DUK_TVAL_IS_FASTINT(tv_y)) {
duk_int64_t v1, v2, v3;
@@ -65582,12 +68772,12 @@ DUK_LOCAL void duk__vm_arith_binary_op(duk_hthread *thr, duk_tval *tv_x, duk_tva
v1 = DUK_TVAL_GET_FASTINT(tv_x);
v2 = DUK_TVAL_GET_FASTINT(tv_y);
- switch (opcode) {
- case DUK_OP_SUB: {
+ switch (opcode_shifted) {
+ case DUK_OP_SUB >> 2: {
v3 = v1 - v2;
break;
}
- case DUK_OP_MUL: {
+ case DUK_OP_MUL >> 2: {
/* Must ensure result is 64-bit (no overflow); a
* simple and sufficient fast path is to allow only
* 32-bit inputs. Avoid zero inputs to avoid
@@ -65601,7 +68791,7 @@ DUK_LOCAL void duk__vm_arith_binary_op(duk_hthread *thr, duk_tval *tv_x, duk_tva
}
break;
}
- case DUK_OP_DIV: {
+ case DUK_OP_DIV >> 2: {
/* Don't allow a zero divisor. Fast path check by
* "verifying" with multiplication. Also avoid zero
* dividend to avoid negative zero issues (0 / -1 = -0
@@ -65616,7 +68806,7 @@ DUK_LOCAL void duk__vm_arith_binary_op(duk_hthread *thr, duk_tval *tv_x, duk_tva
}
break;
}
- case DUK_OP_MOD: {
+ case DUK_OP_MOD >> 2: {
/* Don't allow a zero divisor. Restrict both v1 and
* v2 to positive values to avoid compiler specific
* behavior.
@@ -65631,7 +68821,7 @@ DUK_LOCAL void duk__vm_arith_binary_op(duk_hthread *thr, duk_tval *tv_x, duk_tva
break;
}
default: {
- DUK_UNREACHABLE();
+ /* Possible with DUK_OP_EXP. */
goto skip_fastint;
}
}
@@ -65654,8 +68844,8 @@ DUK_LOCAL void duk__vm_arith_binary_op(duk_hthread *thr, duk_tval *tv_x, duk_tva
} else {
duk_push_tval(ctx, tv_x);
duk_push_tval(ctx, tv_y);
- d1 = duk_to_number(ctx, -2); /* side effects */
- d2 = duk_to_number(ctx, -1);
+ d1 = duk_to_number_m2(ctx); /* side effects */
+ d2 = duk_to_number_m1(ctx);
DUK_ASSERT(duk_is_number(ctx, -2));
DUK_ASSERT(duk_is_number(ctx, -1));
DUK_ASSERT_DOUBLE_IS_NORMALIZED(d1);
@@ -65663,23 +68853,29 @@ DUK_LOCAL void duk__vm_arith_binary_op(duk_hthread *thr, duk_tval *tv_x, duk_tva
duk_pop_2(ctx);
}
- switch (opcode) {
- case DUK_OP_SUB: {
+ switch (opcode_shifted) {
+ case DUK_OP_SUB >> 2: {
du.d = d1 - d2;
break;
}
- case DUK_OP_MUL: {
+ case DUK_OP_MUL >> 2: {
du.d = d1 * d2;
break;
}
- case DUK_OP_DIV: {
+ case DUK_OP_DIV >> 2: {
du.d = d1 / d2;
break;
}
- case DUK_OP_MOD: {
+ case DUK_OP_MOD >> 2: {
du.d = duk__compute_mod(d1, d2);
break;
}
+#if defined(DUK_USE_ES7_EXP_OPERATOR)
+ case DUK_OP_EXP >> 2: {
+ du.d = duk__compute_exp(d1, d2);
+ break;
+ }
+#endif
default: {
DUK_UNREACHABLE();
du.d = DUK_DOUBLE_NAN; /* should not happen */
@@ -65687,15 +68883,19 @@ DUK_LOCAL void duk__vm_arith_binary_op(duk_hthread *thr, duk_tval *tv_x, duk_tva
}
}
+#if defined(DUK_USE_EXEC_PREFER_SIZE)
+ duk_push_number(ctx, du.d); /* will NaN normalize result */
+ duk_replace(ctx, idx_z);
+#else /* DUK_USE_EXEC_PREFER_SIZE */
/* important to use normalized NaN with 8-byte tagged types */
DUK_DBLUNION_NORMALIZE_NAN_CHECK(&du);
DUK_ASSERT(DUK_DBLUNION_IS_NORMALIZED(&du));
-
tv_z = thr->valstack_bottom + idx_z;
DUK_TVAL_SET_NUMBER_UPDREF(thr, tv_z, du.d); /* side effects */
+#endif /* DUK_USE_EXEC_PREFER_SIZE */
}
-DUK_LOCAL void duk__vm_bitwise_binary_op(duk_hthread *thr, duk_tval *tv_x, duk_tval *tv_y, duk_small_uint_fast_t idx_z, duk_small_uint_fast_t opcode) {
+DUK_LOCAL DUK__INLINE_PERF void duk__vm_bitwise_binary_op(duk_hthread *thr, duk_tval *tv_x, duk_tval *tv_y, duk_small_uint_fast_t idx_z, duk_small_uint_fast_t opcode) {
/*
* Binary bitwise operations use different coercions (ToInt32, ToUint32)
* depending on the operation. We coerce the arguments first using
@@ -65707,7 +68907,6 @@ DUK_LOCAL void duk__vm_bitwise_binary_op(duk_hthread *thr, duk_tval *tv_x, duk_t
*/
duk_context *ctx = (duk_context *) thr;
- duk_tval *tv_z;
duk_int32_t i1, i2, i3;
duk_uint32_t u1, u2, u3;
#if defined(DUK_USE_FASTINT)
@@ -65715,6 +68914,10 @@ DUK_LOCAL void duk__vm_bitwise_binary_op(duk_hthread *thr, duk_tval *tv_x, duk_t
#else
duk_double_t d3;
#endif
+ duk_small_uint_fast_t opcode_shifted;
+#if defined(DUK_USE_FASTINT) || !defined(DUK_USE_EXEC_PREFER_SIZE)
+ duk_tval *tv_z;
+#endif
DUK_ASSERT(thr != NULL);
DUK_ASSERT(ctx != NULL);
@@ -65723,6 +68926,8 @@ DUK_LOCAL void duk__vm_bitwise_binary_op(duk_hthread *thr, duk_tval *tv_x, duk_t
DUK_ASSERT_DISABLE(idx_z >= 0); /* unsigned */
DUK_ASSERT((duk_uint_t) idx_z < (duk_uint_t) duk_get_top(ctx));
+ opcode_shifted = opcode >> 2; /* Get base opcode without reg/const modifiers. */
+
#if defined(DUK_USE_FASTINT)
if (DUK_TVAL_IS_FASTINT(tv_x) && DUK_TVAL_IS_FASTINT(tv_y)) {
i1 = (duk_int32_t) DUK_TVAL_GET_FASTINT_I32(tv_x);
@@ -65738,45 +68943,45 @@ DUK_LOCAL void duk__vm_bitwise_binary_op(duk_hthread *thr, duk_tval *tv_x, duk_t
duk_pop_2(ctx);
}
- switch (opcode) {
- case DUK_OP_BAND: {
+ switch (opcode_shifted) {
+ case DUK_OP_BAND >> 2: {
i3 = i1 & i2;
break;
}
- case DUK_OP_BOR: {
+ case DUK_OP_BOR >> 2: {
i3 = i1 | i2;
break;
}
- case DUK_OP_BXOR: {
+ case DUK_OP_BXOR >> 2: {
i3 = i1 ^ i2;
break;
}
- case DUK_OP_BASL: {
+ case DUK_OP_BASL >> 2: {
/* Signed shift, named "arithmetic" (asl) because the result
* is signed, e.g. 4294967295 << 1 -> -2. Note that result
* must be masked.
*/
u2 = ((duk_uint32_t) i2) & 0xffffffffUL;
- i3 = i1 << (u2 & 0x1f); /* E5 Section 11.7.1, steps 7 and 8 */
- i3 = i3 & ((duk_int32_t) 0xffffffffUL); /* Note: left shift, should mask */
+ i3 = (duk_int32_t) (((duk_uint32_t) i1) << (u2 & 0x1fUL)); /* E5 Section 11.7.1, steps 7 and 8 */
+ i3 = i3 & ((duk_int32_t) 0xffffffffUL); /* Note: left shift, should mask */
break;
}
- case DUK_OP_BASR: {
+ case DUK_OP_BASR >> 2: {
/* signed shift */
u2 = ((duk_uint32_t) i2) & 0xffffffffUL;
- i3 = i1 >> (u2 & 0x1f); /* E5 Section 11.7.2, steps 7 and 8 */
+ i3 = i1 >> (u2 & 0x1fUL); /* E5 Section 11.7.2, steps 7 and 8 */
break;
}
- case DUK_OP_BLSR: {
+ case DUK_OP_BLSR >> 2: {
/* unsigned shift */
u1 = ((duk_uint32_t) i1) & 0xffffffffUL;
u2 = ((duk_uint32_t) i2) & 0xffffffffUL;
/* special result value handling */
- u3 = u1 >> (u2 & 0x1f); /* E5 Section 11.7.2, steps 7 and 8 */
+ u3 = u1 >> (u2 & 0x1fUL); /* E5 Section 11.7.2, steps 7 and 8 */
#if defined(DUK_USE_FASTINT)
fi3 = (duk_int64_t) u3;
goto fastint_result_set;
@@ -65802,20 +69007,25 @@ DUK_LOCAL void duk__vm_bitwise_binary_op(duk_hthread *thr, duk_tval *tv_x, duk_t
fastint_result_set:
tv_z = thr->valstack_bottom + idx_z;
DUK_TVAL_SET_FASTINT_UPDREF(thr, tv_z, fi3); /* side effects */
-#else
+#else /* DUK_USE_FASTINT */
d3 = (duk_double_t) i3;
result_set:
DUK_ASSERT(!DUK_ISNAN(d3)); /* 'd3' is never NaN, so no need to normalize */
DUK_ASSERT_DOUBLE_IS_NORMALIZED(d3); /* always normalized */
+#if defined(DUK_USE_EXEC_PREFER_SIZE)
+ duk_push_number(ctx, d3); /* would NaN normalize result, but unnecessary */
+ duk_replace(ctx, idx_z);
+#else /* DUK_USE_EXEC_PREFER_SIZE */
tv_z = thr->valstack_bottom + idx_z;
DUK_TVAL_SET_NUMBER_UPDREF(thr, tv_z, d3); /* side effects */
-#endif
+#endif /* DUK_USE_EXEC_PREFER_SIZE */
+#endif /* DUK_USE_FASTINT */
}
/* In-place unary operation. */
-DUK_LOCAL void duk__vm_arith_unary_op(duk_hthread *thr, duk_tval *tv_x, duk_idx_t idx_x, duk_small_uint_fast_t opcode) {
+DUK_LOCAL DUK__INLINE_PERF void duk__vm_arith_unary_op(duk_hthread *thr, duk_idx_t idx_src, duk_idx_t idx_dst, duk_small_uint_fast_t opcode) {
/*
* Arithmetic operations other than '+' have number-only semantics
* and are implemented here. The separate switch-case here means a
@@ -65825,136 +69035,279 @@ DUK_LOCAL void duk__vm_arith_unary_op(duk_hthread *thr, duk_tval *tv_x, duk_idx_
*/
duk_context *ctx = (duk_context *) thr;
+ duk_tval *tv;
duk_double_t d1;
duk_double_union du;
DUK_ASSERT(thr != NULL);
DUK_ASSERT(ctx != NULL);
- DUK_ASSERT(opcode == DUK_EXTRAOP_UNM || opcode == DUK_EXTRAOP_UNP);
- DUK_ASSERT(tv_x != NULL);
- DUK_ASSERT(idx_x >= 0);
+ DUK_ASSERT(opcode == DUK_OP_UNM || opcode == DUK_OP_UNP);
+ DUK_ASSERT(idx_src >= 0);
+ DUK_ASSERT(idx_dst >= 0);
+
+ tv = DUK_GET_TVAL_POSIDX(ctx, idx_src);
#if defined(DUK_USE_FASTINT)
- if (DUK_TVAL_IS_FASTINT(tv_x)) {
+ if (DUK_TVAL_IS_FASTINT(tv)) {
duk_int64_t v1, v2;
- v1 = DUK_TVAL_GET_FASTINT(tv_x);
- if (opcode == DUK_EXTRAOP_UNM) {
+ v1 = DUK_TVAL_GET_FASTINT(tv);
+ if (opcode == DUK_OP_UNM) {
/* The smallest fastint is no longer 48-bit when
* negated. Positive zero becames negative zero
* (cannot be represented) when negated.
*/
if (DUK_LIKELY(v1 != DUK_FASTINT_MIN && v1 != 0)) {
v2 = -v1;
- DUK_TVAL_SET_FASTINT(tv_x, v2); /* no refcount changes */
+ tv = DUK_GET_TVAL_POSIDX(ctx, idx_dst);
+ DUK_TVAL_SET_FASTINT_UPDREF(thr, tv, v2);
return;
}
} else {
/* ToNumber() for a fastint is a no-op. */
- DUK_ASSERT(opcode == DUK_EXTRAOP_UNP);
+ DUK_ASSERT(opcode == DUK_OP_UNP);
+ v2 = v1;
+ tv = DUK_GET_TVAL_POSIDX(ctx, idx_dst);
+ DUK_TVAL_SET_FASTINT_UPDREF(thr, tv, v2);
return;
}
/* fall through if overflow etc */
}
#endif /* DUK_USE_FASTINT */
- if (!DUK_TVAL_IS_NUMBER(tv_x)) {
- duk_to_number(ctx, idx_x); /* side effects, perform in-place */
- tv_x = DUK_GET_TVAL_POSIDX(ctx, idx_x);
- DUK_ASSERT(tv_x != NULL);
- DUK_ASSERT(DUK_TVAL_IS_NUMBER(tv_x));
- }
-
- d1 = DUK_TVAL_GET_NUMBER(tv_x);
- if (opcode == DUK_EXTRAOP_UNM) {
- du.d = -d1;
+ if (DUK_TVAL_IS_NUMBER(tv)) {
+ d1 = DUK_TVAL_GET_NUMBER(tv);
} else {
- /* ToNumber() for a double is a no-op. */
- DUK_ASSERT(opcode == DUK_EXTRAOP_UNP);
- du.d = d1;
+ d1 = duk_to_number(ctx, idx_src); /* side effects, perform in-place */
+ DUK_ASSERT(DUK_TVAL_IS_NUMBER(DUK_GET_TVAL_POSIDX(ctx, idx_src)));
}
- DUK_DBLUNION_NORMALIZE_NAN_CHECK(&du); /* mandatory if du.d is a NaN */
-
- DUK_ASSERT(DUK_DBLUNION_IS_NORMALIZED(&du));
+ if (opcode == DUK_OP_UNP) {
+ /* ToNumber() for a double is a no-op, but unary plus is
+ * used to force a fastint check so do that here.
+ */
+ du.d = d1;
+ DUK_ASSERT(DUK_DBLUNION_IS_NORMALIZED(&du));
#if defined(DUK_USE_FASTINT)
- /* Unary plus is used to force a fastint check, so must include
- * downgrade check.
- */
- DUK_TVAL_SET_NUMBER_CHKFAST(tv_x, du.d); /* no refcount changes */
-#else
- DUK_TVAL_SET_NUMBER(tv_x, du.d); /* no refcount changes */
+ tv = DUK_GET_TVAL_POSIDX(ctx, idx_dst);
+ DUK_TVAL_SET_NUMBER_CHKFAST_UPDREF(thr, tv, du.d); /* always 'fast', i.e. inlined */
+ return;
#endif
+ } else {
+ DUK_ASSERT(opcode == DUK_OP_UNM);
+ du.d = -d1;
+ DUK_DBLUNION_NORMALIZE_NAN_CHECK(&du); /* mandatory if du.d is a NaN */
+ DUK_ASSERT(DUK_DBLUNION_IS_NORMALIZED(&du));
+ }
+
+ /* XXX: size optimize: push+replace? */
+ tv = DUK_GET_TVAL_POSIDX(ctx, idx_dst);
+ DUK_TVAL_SET_NUMBER_UPDREF(thr, tv, du.d);
}
-DUK_LOCAL void duk__vm_bitwise_not(duk_hthread *thr, duk_tval *tv_x, duk_uint_fast_t idx_z) {
+DUK_LOCAL DUK__INLINE_PERF void duk__vm_bitwise_not(duk_hthread *thr, duk_uint_fast_t idx_src, duk_uint_fast_t idx_dst) {
/*
* E5 Section 11.4.8
*/
duk_context *ctx = (duk_context *) thr;
- duk_tval *tv_z;
+ duk_tval *tv;
duk_int32_t i1, i2;
-#if !defined(DUK_USE_FASTINT)
- duk_double_t d2;
-#endif
DUK_ASSERT(thr != NULL);
DUK_ASSERT(ctx != NULL);
- DUK_ASSERT(tv_x != NULL); /* may be reg or const */
- DUK_ASSERT_DISABLE(idx_z >= 0);
- DUK_ASSERT((duk_uint_t) idx_z < (duk_uint_t) duk_get_top(ctx));
+ DUK_ASSERT_DISABLE(idx_src >= 0);
+ DUK_ASSERT_DISABLE(idx_dst >= 0);
+ DUK_ASSERT((duk_uint_t) idx_src < (duk_uint_t) duk_get_top(ctx));
+ DUK_ASSERT((duk_uint_t) idx_dst < (duk_uint_t) duk_get_top(ctx));
+ DUK_UNREF(thr); /* w/o refcounts */
+
+ tv = DUK_GET_TVAL_POSIDX(ctx, idx_src);
#if defined(DUK_USE_FASTINT)
- if (DUK_TVAL_IS_FASTINT(tv_x)) {
- i1 = (duk_int32_t) DUK_TVAL_GET_FASTINT_I32(tv_x);
+ if (DUK_TVAL_IS_FASTINT(tv)) {
+ i1 = (duk_int32_t) DUK_TVAL_GET_FASTINT_I32(tv);
}
else
#endif /* DUK_USE_FASTINT */
{
- duk_push_tval(ctx, tv_x);
- i1 = duk_to_int32(ctx, -1);
- duk_pop(ctx);
+ i1 = duk_to_int32(ctx, idx_src); /* side effects */
}
- i2 = ~i1;
-
-#if defined(DUK_USE_FASTINT)
/* Result is always fastint compatible. */
- tv_z = thr->valstack_bottom + idx_z;
- DUK_TVAL_SET_FASTINT_I32_UPDREF(thr, tv_z, i2); /* side effects */
-#else
- d2 = (duk_double_t) i2;
-
- DUK_ASSERT(!DUK_ISNAN(d2)); /* 'val' is never NaN, so no need to normalize */
- DUK_ASSERT_DOUBLE_IS_NORMALIZED(d2); /* always normalized */
-
- tv_z = thr->valstack_bottom + idx_z;
- DUK_TVAL_SET_NUMBER_UPDREF(thr, tv_z, d2); /* side effects */
-#endif
+ i2 = ~i1;
+ tv = DUK_GET_TVAL_POSIDX(ctx, idx_dst);
+ DUK_TVAL_SET_I32_UPDREF(thr, tv, i2); /* side effects */
}
-DUK_LOCAL void duk__vm_logical_not(duk_hthread *thr, duk_tval *tv_x, duk_tval *tv_z) {
+DUK_LOCAL DUK__INLINE_PERF void duk__vm_logical_not(duk_hthread *thr, duk_idx_t idx_src, duk_idx_t idx_dst) {
/*
* E5 Section 11.4.9
*/
+ duk_context *ctx = (duk_context *) thr;
+ duk_tval *tv;
duk_bool_t res;
DUK_ASSERT(thr != NULL);
- DUK_ASSERT(tv_x != NULL); /* may be reg or const */
- DUK_ASSERT(tv_z != NULL); /* reg */
-
+ DUK_ASSERT(ctx != NULL);
+ DUK_ASSERT_DISABLE(idx_src >= 0);
+ DUK_ASSERT_DISABLE(idx_dst >= 0);
+ DUK_ASSERT((duk_uint_t) idx_src < (duk_uint_t) duk_get_top(ctx));
+ DUK_ASSERT((duk_uint_t) idx_dst < (duk_uint_t) duk_get_top(ctx));
DUK_UNREF(thr); /* w/o refcounts */
/* ToBoolean() does not require any operations with side effects so
* we can do it efficiently. For footprint it would be better to use
* duk_js_toboolean() and then push+replace to the result slot.
*/
- res = duk_js_toboolean(tv_x); /* does not modify tv_x */
+ tv = DUK_GET_TVAL_POSIDX(ctx, idx_src);
+ res = duk_js_toboolean(tv); /* does not modify 'tv' */
DUK_ASSERT(res == 0 || res == 1);
res ^= 1;
- DUK_TVAL_SET_BOOLEAN_UPDREF(thr, tv_z, res); /* side effects */
+ tv = DUK_GET_TVAL_POSIDX(ctx, idx_dst);
+ /* XXX: size optimize: push+replace? */
+ DUK_TVAL_SET_BOOLEAN_UPDREF(thr, tv, res); /* side effects */
+}
+
+/* XXX: size optimized variant */
+DUK_LOCAL DUK__INLINE_PERF void duk__prepost_incdec_reg_helper(duk_hthread *thr, duk_tval *tv_dst, duk_tval *tv_src, duk_small_uint_t op) {
+ duk_context *ctx = (duk_context *) thr;
+ duk_double_t x, y, z;
+
+ /* Two lowest bits of opcode are used to distinguish
+ * variants. Bit 0 = inc(0)/dec(1), bit 1 = pre(0)/post(1).
+ */
+ DUK_ASSERT((DUK_OP_PREINCR & 0x03) == 0x00);
+ DUK_ASSERT((DUK_OP_PREDECR & 0x03) == 0x01);
+ DUK_ASSERT((DUK_OP_POSTINCR & 0x03) == 0x02);
+ DUK_ASSERT((DUK_OP_POSTDECR & 0x03) == 0x03);
+
+#if defined(DUK_USE_FASTINT)
+ if (DUK_TVAL_IS_FASTINT(tv_src)) {
+ duk_int64_t x_fi, y_fi, z_fi;
+ x_fi = DUK_TVAL_GET_FASTINT(tv_src);
+ if (op & 0x01) {
+ if (DUK_UNLIKELY(x_fi == DUK_FASTINT_MIN)) {
+ goto skip_fastint;
+ }
+ y_fi = x_fi - 1;
+ } else {
+ if (DUK_UNLIKELY(x_fi == DUK_FASTINT_MAX)) {
+ goto skip_fastint;
+ }
+ y_fi = x_fi + 1;
+ }
+
+ DUK_TVAL_SET_FASTINT(tv_src, y_fi); /* no need for refcount update */
+
+ z_fi = (op & 0x02) ? x_fi : y_fi;
+ DUK_TVAL_SET_FASTINT_UPDREF(thr, tv_dst, z_fi); /* side effects */
+ return;
+ }
+ skip_fastint:
+#endif
+ if (DUK_TVAL_IS_NUMBER(tv_src)) {
+ /* Fast path for the case where the register
+ * is a number (e.g. loop counter).
+ */
+
+ x = DUK_TVAL_GET_NUMBER(tv_src);
+ if (op & 0x01) {
+ y = x - 1.0;
+ } else {
+ y = x + 1.0;
+ }
+
+ DUK_TVAL_SET_NUMBER(tv_src, y); /* no need for refcount update */
+ } else {
+ /* Preserve duk_tval pointer(s) across a potential valstack
+ * resize by converting them into offsets temporarily.
+ */
+ duk_idx_t bc;
+ duk_size_t off_dst;
+
+ off_dst = (duk_size_t) ((duk_uint8_t *) tv_dst - (duk_uint8_t *) thr->valstack_bottom);
+ bc = (duk_idx_t) (tv_src - thr->valstack_bottom); /* XXX: pass index explicitly? */
+ tv_src = NULL; /* no longer referenced */
+
+ x = duk_to_number(ctx, bc);
+ if (op & 0x01) {
+ y = x - 1.0;
+ } else {
+ y = x + 1.0;
+ }
+
+ duk_push_number(ctx, y);
+ duk_replace(ctx, bc);
+
+ tv_dst = (duk_tval *) (void *) (((duk_uint8_t *) thr->valstack_bottom) + off_dst);
+ }
+
+ z = (op & 0x02) ? x : y;
+ DUK_TVAL_SET_NUMBER_UPDREF(thr, tv_dst, z); /* side effects */
+}
+
+DUK_LOCAL DUK__INLINE_PERF void duk__prepost_incdec_var_helper(duk_hthread *thr, duk_small_uint_t idx_dst, duk_tval *tv_id, duk_small_uint_t op, duk_uint_t is_strict) {
+ duk_context *ctx = (duk_context *) thr;
+ duk_activation *act;
+ duk_double_t x, y;
+ duk_hstring *name;
+
+ /* XXX: The pre/post inc/dec for an identifier lookup is
+ * missing the important fast path where the identifier
+ * has a storage location e.g. in a scope object so that
+ * it can be updated in-place. In particular, the case
+ * where the identifier has a storage location AND the
+ * previous value is a number should be optimized because
+ * it's side effect free.
+ */
+
+ /* Two lowest bits of opcode are used to distinguish
+ * variants. Bit 0 = inc(0)/dec(1), bit 1 = pre(0)/post(1).
+ */
+ DUK_ASSERT((DUK_OP_PREINCV & 0x03) == 0x00);
+ DUK_ASSERT((DUK_OP_PREDECV & 0x03) == 0x01);
+ DUK_ASSERT((DUK_OP_POSTINCV & 0x03) == 0x02);
+ DUK_ASSERT((DUK_OP_POSTDECV & 0x03) == 0x03);
+
+ DUK_ASSERT(DUK_TVAL_IS_STRING(tv_id));
+ name = DUK_TVAL_GET_STRING(tv_id);
+ DUK_ASSERT(name != NULL);
+ act = thr->callstack + thr->callstack_top - 1;
+ (void) duk_js_getvar_activation(thr, act, name, 1 /*throw*/); /* -> [ ... val this ] */
+
+ /* XXX: Fastint fast path would be useful here. Also fastints
+ * now lose their fastint status in current handling which is
+ * not intuitive.
+ */
+
+ x = duk_to_number_m2(ctx);
+ if (op & 0x01) {
+ y = x - 1.0;
+ } else {
+ y = x + 1.0;
+ }
+
+ /* [... x this] */
+
+ if (op & 0x02) {
+ duk_push_number(ctx, y); /* -> [ ... x this y ] */
+ act = thr->callstack + thr->callstack_top - 1;
+ duk_js_putvar_activation(thr, act, name, DUK_GET_TVAL_NEGIDX(ctx, -1), is_strict);
+ duk_pop_2(ctx); /* -> [ ... x ] */
+ } else {
+ duk_pop_2(ctx); /* -> [ ... ] */
+ duk_push_number(ctx, y); /* -> [ ... y ] */
+ act = thr->callstack + thr->callstack_top - 1;
+ duk_js_putvar_activation(thr, act, name, DUK_GET_TVAL_NEGIDX(ctx, -1), is_strict);
+ }
+
+#if defined(DUK_USE_EXEC_PREFER_SIZE)
+ duk_replace(ctx, (duk_idx_t) idx_dst);
+#else /* DUK_USE_EXEC_PREFER_SIZE */
+ DUK__REPLACE_TO_TVPTR(thr, DUK_GET_TVAL_POSIDX(ctx, idx_dst));
+#endif /* DUK_USE_EXEC_PREFER_SIZE */
}
/*
@@ -65981,13 +69334,13 @@ DUK_LOCAL void duk__vm_logical_not(duk_hthread *thr, duk_tval *tv_x, duk_tval *t
/* Reconfigure value stack for return to an Ecmascript function at 'act_idx'. */
DUK_LOCAL void duk__reconfig_valstack_ecma_return(duk_hthread *thr, duk_size_t act_idx) {
duk_activation *act;
- duk_hcompiledfunction *h_func;
+ duk_hcompfunc *h_func;
duk_idx_t clamp_top;
DUK_ASSERT(thr != NULL);
DUK_ASSERT_DISABLE(act_idx >= 0); /* unsigned */
DUK_ASSERT(DUK_ACT_GET_FUNC(thr->callstack + act_idx) != NULL);
- DUK_ASSERT(DUK_HOBJECT_IS_COMPILEDFUNCTION(DUK_ACT_GET_FUNC(thr->callstack + act_idx)));
+ DUK_ASSERT(DUK_HOBJECT_IS_COMPFUNC(DUK_ACT_GET_FUNC(thr->callstack + act_idx)));
DUK_ASSERT_DISABLE(thr->callstack[act_idx].idx_retval >= 0); /* unsigned */
/* Clamp so that values at 'clamp_top' and above are wiped and won't
@@ -65996,7 +69349,7 @@ DUK_LOCAL void duk__reconfig_valstack_ecma_return(duk_hthread *thr, duk_size_t a
*/
act = thr->callstack + act_idx;
- h_func = (duk_hcompiledfunction *) DUK_ACT_GET_FUNC(act);
+ h_func = (duk_hcompfunc *) DUK_ACT_GET_FUNC(act);
thr->valstack_bottom = thr->valstack + act->idx_bottom;
DUK_ASSERT(act->idx_retval >= act->idx_bottom);
@@ -66018,18 +69371,18 @@ DUK_LOCAL void duk__reconfig_valstack_ecma_return(duk_hthread *thr, duk_size_t a
DUK_LOCAL void duk__reconfig_valstack_ecma_catcher(duk_hthread *thr, duk_size_t act_idx, duk_size_t cat_idx) {
duk_activation *act;
duk_catcher *cat;
- duk_hcompiledfunction *h_func;
+ duk_hcompfunc *h_func;
duk_idx_t clamp_top;
DUK_ASSERT(thr != NULL);
DUK_ASSERT_DISABLE(act_idx >= 0); /* unsigned */
DUK_ASSERT(DUK_ACT_GET_FUNC(thr->callstack + act_idx) != NULL);
- DUK_ASSERT(DUK_HOBJECT_IS_COMPILEDFUNCTION(DUK_ACT_GET_FUNC(thr->callstack + act_idx)));
+ DUK_ASSERT(DUK_HOBJECT_IS_COMPFUNC(DUK_ACT_GET_FUNC(thr->callstack + act_idx)));
DUK_ASSERT_DISABLE(thr->callstack[act_idx].idx_retval >= 0); /* unsigned */
act = thr->callstack + act_idx;
cat = thr->catchstack + cat_idx;
- h_func = (duk_hcompiledfunction *) DUK_ACT_GET_FUNC(act);
+ h_func = (duk_hcompfunc *) DUK_ACT_GET_FUNC(act);
thr->valstack_bottom = thr->valstack + act->idx_bottom;
DUK_ASSERT(cat->idx_base >= act->idx_bottom);
@@ -66063,7 +69416,7 @@ DUK_LOCAL void duk__set_catcher_regs(duk_hthread *thr, duk_size_t cat_idx, duk_t
tv1 = thr->valstack + thr->catchstack[cat_idx].idx_base + 1;
DUK_ASSERT(tv1 < thr->valstack_top);
- DUK_TVAL_SET_FASTINT_U32_UPDREF(thr, tv1, (duk_uint32_t) lj_type); /* side effects */
+ DUK_TVAL_SET_U32_UPDREF(thr, tv1, (duk_uint32_t) lj_type); /* side effects */
}
DUK_LOCAL void duk__handle_catch(duk_hthread *thr, duk_size_t cat_idx, duk_tval *tv_val_unstable, duk_small_uint_t lj_type) {
@@ -66081,7 +69434,7 @@ DUK_LOCAL void duk__handle_catch(duk_hthread *thr, duk_size_t cat_idx, duk_tval
DUK_ASSERT(thr->callstack_top >= 1);
DUK_ASSERT(DUK_ACT_GET_FUNC(thr->callstack + thr->callstack_top - 1) != NULL);
- DUK_ASSERT(DUK_HOBJECT_IS_COMPILEDFUNCTION(DUK_ACT_GET_FUNC(thr->callstack + thr->callstack_top - 1)));
+ DUK_ASSERT(DUK_HOBJECT_IS_COMPFUNC(DUK_ACT_GET_FUNC(thr->callstack + thr->callstack_top - 1)));
duk__reconfig_valstack_ecma_catcher(thr, thr->callstack_top - 1, cat_idx);
@@ -66129,11 +69482,10 @@ DUK_LOCAL void duk__handle_catch(duk_hthread *thr, duk_size_t cat_idx, duk_tval
act_lex_env = act->lex_env;
act = NULL; /* invalidated */
- (void) duk_push_object_helper_proto(ctx,
- DUK_HOBJECT_FLAG_EXTENSIBLE |
- DUK_HOBJECT_CLASS_AS_FLAGS(DUK_HOBJECT_CLASS_DECENV),
- act_lex_env);
- new_env = DUK_GET_HOBJECT_NEGIDX(ctx, -1);
+ new_env = duk_push_object_helper_proto(ctx,
+ DUK_HOBJECT_FLAG_EXTENSIBLE |
+ DUK_HOBJECT_CLASS_AS_FLAGS(DUK_HOBJECT_CLASS_DECENV),
+ act_lex_env);
DUK_ASSERT(new_env != NULL);
DUK_DDD(DUK_DDDPRINT("new_env allocated: %!iO", (duk_heaphdr *) new_env));
@@ -66175,7 +69527,7 @@ DUK_LOCAL void duk__handle_finally(duk_hthread *thr, duk_size_t cat_idx, duk_tva
DUK_ASSERT(thr->callstack_top >= 1);
DUK_ASSERT(DUK_ACT_GET_FUNC(thr->callstack + thr->callstack_top - 1) != NULL);
- DUK_ASSERT(DUK_HOBJECT_IS_COMPILEDFUNCTION(DUK_ACT_GET_FUNC(thr->callstack + thr->callstack_top - 1)));
+ DUK_ASSERT(DUK_HOBJECT_IS_COMPFUNC(DUK_ACT_GET_FUNC(thr->callstack + thr->callstack_top - 1)));
duk__reconfig_valstack_ecma_catcher(thr, thr->callstack_top - 1, cat_idx);
@@ -66196,7 +69548,7 @@ DUK_LOCAL void duk__handle_label(duk_hthread *thr, duk_size_t cat_idx, duk_small
act = thr->callstack + thr->callstack_top - 1;
DUK_ASSERT(DUK_ACT_GET_FUNC(act) != NULL);
- DUK_ASSERT(DUK_HOBJECT_HAS_COMPILEDFUNCTION(DUK_ACT_GET_FUNC(act)));
+ DUK_ASSERT(DUK_HOBJECT_HAS_COMPFUNC(DUK_ACT_GET_FUNC(act)));
/* +0 = break, +1 = continue */
act->curr_pc = thr->catchstack[cat_idx].pc_base + (lj_type == DUK_LJ_TYPE_CONTINUE ? 1 : 0);
@@ -66210,13 +69562,14 @@ DUK_LOCAL void duk__handle_label(duk_hthread *thr, duk_size_t cat_idx, duk_small
DUK_ASSERT(thr->callstack_top >= 1);
act = thr->callstack + thr->callstack_top - 1;
DUK_ASSERT((duk_size_t) (thr->valstack_top - thr->valstack_bottom) ==
- (duk_size_t) ((duk_hcompiledfunction *) DUK_ACT_GET_FUNC(act))->nregs);
+ (duk_size_t) ((duk_hcompfunc *) DUK_ACT_GET_FUNC(act))->nregs);
#endif
}
/* Called for handling both a longjmp() with type DUK_LJ_TYPE_YIELD and
* when a RETURN opcode terminates a thread and yields to the resumer.
*/
+#if defined(DUK_USE_COROUTINE_SUPPORT)
DUK_LOCAL void duk__handle_yield(duk_hthread *thr, duk_hthread *resumer, duk_size_t act_idx, duk_tval *tv_val_unstable) {
duk_tval *tv1;
@@ -66224,7 +69577,7 @@ DUK_LOCAL void duk__handle_yield(duk_hthread *thr, duk_hthread *resumer, duk_siz
DUK_ASSERT(resumer != NULL);
DUK_ASSERT(tv_val_unstable != NULL);
DUK_ASSERT(DUK_ACT_GET_FUNC(resumer->callstack + act_idx) != NULL);
- DUK_ASSERT(DUK_HOBJECT_IS_COMPILEDFUNCTION(DUK_ACT_GET_FUNC(resumer->callstack + act_idx))); /* resume caller must be an ecmascript func */
+ DUK_ASSERT(DUK_HOBJECT_IS_COMPFUNC(DUK_ACT_GET_FUNC(resumer->callstack + act_idx))); /* resume caller must be an ecmascript func */
tv1 = resumer->valstack + resumer->callstack[act_idx].idx_retval; /* return value from Duktape.Thread.resume() */
DUK_TVAL_SET_TVAL_UPDREF(thr, tv1, tv_val_unstable); /* side effects */
@@ -66236,6 +69589,7 @@ DUK_LOCAL void duk__handle_yield(duk_hthread *thr, duk_hthread *resumer, duk_siz
/* caller must change active thread, and set thr->resumer to NULL */
}
+#endif /* DUK_USE_COROUTINE_SUPPORT */
DUK_LOCAL
duk_small_uint_t duk__handle_longjmp(duk_hthread *thr,
@@ -66275,6 +69629,7 @@ duk_small_uint_t duk__handle_longjmp(duk_hthread *thr,
switch (thr->heap->lj.type) {
+#if defined(DUK_USE_COROUTINE_SUPPORT)
case DUK_LJ_TYPE_RESUME: {
/*
* Note: lj.value1 is 'value', lj.value2 is 'resumee'.
@@ -66291,10 +69646,8 @@ duk_small_uint_t duk__handle_longjmp(duk_hthread *thr,
DUK_ASSERT(thr->state == DUK_HTHREAD_STATE_RUNNING); /* unchanged by Duktape.Thread.resume() */
DUK_ASSERT(thr->callstack_top >= 2); /* Ecmascript activation + Duktape.Thread.resume() activation */
DUK_ASSERT(DUK_ACT_GET_FUNC(thr->callstack + thr->callstack_top - 1) != NULL &&
- DUK_HOBJECT_IS_NATIVEFUNCTION(DUK_ACT_GET_FUNC(thr->callstack + thr->callstack_top - 1)) &&
- ((duk_hnativefunction *) DUK_ACT_GET_FUNC(thr->callstack + thr->callstack_top - 1))->func == duk_bi_thread_resume);
- DUK_ASSERT(DUK_ACT_GET_FUNC(thr->callstack + thr->callstack_top - 2) != NULL &&
- DUK_HOBJECT_IS_COMPILEDFUNCTION(DUK_ACT_GET_FUNC(thr->callstack + thr->callstack_top - 2))); /* an Ecmascript function */
+ DUK_HOBJECT_IS_NATFUNC(DUK_ACT_GET_FUNC(thr->callstack + thr->callstack_top - 1)) &&
+ ((duk_hnatfunc *) DUK_ACT_GET_FUNC(thr->callstack + thr->callstack_top - 1))->func == duk_bi_thread_resume);
DUK_ASSERT_DISABLE((thr->callstack + thr->callstack_top - 2)->idx_retval >= 0); /* unsigned */
tv = &thr->heap->lj.value2; /* resumee */
@@ -66311,19 +69664,12 @@ duk_small_uint_t duk__handle_longjmp(duk_hthread *thr,
resumee->callstack_top >= 2); /* YIELDED: Ecmascript activation + Duktape.Thread.yield() activation */
DUK_ASSERT(resumee->state != DUK_HTHREAD_STATE_YIELDED ||
(DUK_ACT_GET_FUNC(resumee->callstack + resumee->callstack_top - 1) != NULL &&
- DUK_HOBJECT_IS_NATIVEFUNCTION(DUK_ACT_GET_FUNC(resumee->callstack + resumee->callstack_top - 1)) &&
- ((duk_hnativefunction *) DUK_ACT_GET_FUNC(resumee->callstack + resumee->callstack_top - 1))->func == duk_bi_thread_yield));
- DUK_ASSERT(resumee->state != DUK_HTHREAD_STATE_YIELDED ||
- (DUK_ACT_GET_FUNC(resumee->callstack + resumee->callstack_top - 2) != NULL &&
- DUK_HOBJECT_IS_COMPILEDFUNCTION(DUK_ACT_GET_FUNC(resumee->callstack + resumee->callstack_top - 2)))); /* an Ecmascript function */
+ DUK_HOBJECT_IS_NATFUNC(DUK_ACT_GET_FUNC(resumee->callstack + resumee->callstack_top - 1)) &&
+ ((duk_hnatfunc *) DUK_ACT_GET_FUNC(resumee->callstack + resumee->callstack_top - 1))->func == duk_bi_thread_yield));
DUK_ASSERT_DISABLE(resumee->state != DUK_HTHREAD_STATE_YIELDED ||
(resumee->callstack + resumee->callstack_top - 2)->idx_retval >= 0); /* idx_retval unsigned */
DUK_ASSERT(resumee->state != DUK_HTHREAD_STATE_INACTIVE ||
resumee->callstack_top == 0); /* INACTIVE: no activation, single function value on valstack */
- DUK_ASSERT(resumee->state != DUK_HTHREAD_STATE_INACTIVE ||
- (resumee->valstack_top == resumee->valstack + 1 &&
- DUK_TVAL_IS_OBJECT(resumee->valstack_top - 1) &&
- DUK_HOBJECT_IS_COMPILEDFUNCTION(DUK_TVAL_GET_OBJECT(resumee->valstack_top - 1))));
if (thr->heap->lj.iserror) {
/*
@@ -66336,7 +69682,9 @@ duk_small_uint_t duk__handle_longjmp(duk_hthread *thr,
* which we simply ignore.
*/
+ DUK_ASSERT(resumee->resumer == NULL);
resumee->resumer = thr;
+ DUK_HTHREAD_INCREF(thr, thr);
resumee->state = DUK_HTHREAD_STATE_RUNNING;
thr->state = DUK_HTHREAD_STATE_RESUMED;
DUK_HEAP_SWITCH_THREAD(thr->heap, resumee);
@@ -66366,7 +69714,9 @@ duk_small_uint_t duk__handle_longjmp(duk_hthread *thr,
duk__reconfig_valstack_ecma_return(resumee, act_idx);
+ DUK_ASSERT(resumee->resumer == NULL);
resumee->resumer = thr;
+ DUK_HTHREAD_INCREF(thr, thr);
resumee->state = DUK_HTHREAD_STATE_RUNNING;
thr->state = DUK_HTHREAD_STATE_RESUMED;
DUK_HEAP_SWITCH_THREAD(thr->heap, resumee);
@@ -66394,11 +69744,17 @@ duk_small_uint_t duk__handle_longjmp(duk_hthread *thr,
1, /* num_stack_args */
call_flags); /* call_flags */
if (setup_rc == 0) {
- /* Shouldn't happen but check anyway. */
- DUK_ERROR_INTERNAL_DEFMSG(thr);
+ /* This shouldn't happen; Duktape.Thread.resume()
+ * should make sure of that. If it does happen
+ * this internal error will propagate out of the
+ * executor which can be quite misleading.
+ */
+ DUK_ERROR_INTERNAL(thr);
}
+ DUK_ASSERT(resumee->resumer == NULL);
resumee->resumer = thr;
+ DUK_HTHREAD_INCREF(thr, thr);
resumee->state = DUK_HTHREAD_STATE_RUNNING;
thr->state = DUK_HTHREAD_STATE_RESUMED;
DUK_HEAP_SWITCH_THREAD(thr->heap, resumee);
@@ -66432,10 +69788,10 @@ duk_small_uint_t duk__handle_longjmp(duk_hthread *thr,
DUK_ASSERT(thr->state == DUK_HTHREAD_STATE_RUNNING); /* unchanged from Duktape.Thread.yield() */
DUK_ASSERT(thr->callstack_top >= 2); /* Ecmascript activation + Duktape.Thread.yield() activation */
DUK_ASSERT(DUK_ACT_GET_FUNC(thr->callstack + thr->callstack_top - 1) != NULL &&
- DUK_HOBJECT_IS_NATIVEFUNCTION(DUK_ACT_GET_FUNC(thr->callstack + thr->callstack_top - 1)) &&
- ((duk_hnativefunction *) DUK_ACT_GET_FUNC(thr->callstack + thr->callstack_top - 1))->func == duk_bi_thread_yield);
+ DUK_HOBJECT_IS_NATFUNC(DUK_ACT_GET_FUNC(thr->callstack + thr->callstack_top - 1)) &&
+ ((duk_hnatfunc *) DUK_ACT_GET_FUNC(thr->callstack + thr->callstack_top - 1))->func == duk_bi_thread_yield);
DUK_ASSERT(DUK_ACT_GET_FUNC(thr->callstack + thr->callstack_top - 2) != NULL &&
- DUK_HOBJECT_IS_COMPILEDFUNCTION(DUK_ACT_GET_FUNC(thr->callstack + thr->callstack_top - 2))); /* an Ecmascript function */
+ DUK_HOBJECT_IS_COMPFUNC(DUK_ACT_GET_FUNC(thr->callstack + thr->callstack_top - 2))); /* an Ecmascript function */
DUK_ASSERT_DISABLE((thr->callstack + thr->callstack_top - 2)->idx_retval >= 0); /* unsigned */
resumer = thr->resumer;
@@ -66444,15 +69800,16 @@ duk_small_uint_t duk__handle_longjmp(duk_hthread *thr,
DUK_ASSERT(resumer->state == DUK_HTHREAD_STATE_RESUMED); /* written by a previous RESUME handling */
DUK_ASSERT(resumer->callstack_top >= 2); /* Ecmascript activation + Duktape.Thread.resume() activation */
DUK_ASSERT(DUK_ACT_GET_FUNC(resumer->callstack + resumer->callstack_top - 1) != NULL &&
- DUK_HOBJECT_IS_NATIVEFUNCTION(DUK_ACT_GET_FUNC(resumer->callstack + resumer->callstack_top - 1)) &&
- ((duk_hnativefunction *) DUK_ACT_GET_FUNC(resumer->callstack + resumer->callstack_top - 1))->func == duk_bi_thread_resume);
+ DUK_HOBJECT_IS_NATFUNC(DUK_ACT_GET_FUNC(resumer->callstack + resumer->callstack_top - 1)) &&
+ ((duk_hnatfunc *) DUK_ACT_GET_FUNC(resumer->callstack + resumer->callstack_top - 1))->func == duk_bi_thread_resume);
DUK_ASSERT(DUK_ACT_GET_FUNC(resumer->callstack + resumer->callstack_top - 2) != NULL &&
- DUK_HOBJECT_IS_COMPILEDFUNCTION(DUK_ACT_GET_FUNC(resumer->callstack + resumer->callstack_top - 2))); /* an Ecmascript function */
+ DUK_HOBJECT_IS_COMPFUNC(DUK_ACT_GET_FUNC(resumer->callstack + resumer->callstack_top - 2))); /* an Ecmascript function */
DUK_ASSERT_DISABLE((resumer->callstack + resumer->callstack_top - 2)->idx_retval >= 0); /* unsigned */
if (thr->heap->lj.iserror) {
thr->state = DUK_HTHREAD_STATE_YIELDED;
thr->resumer = NULL;
+ DUK_HTHREAD_DECREF_NORZ(thr, resumer);
resumer->state = DUK_HTHREAD_STATE_RUNNING;
DUK_HEAP_SWITCH_THREAD(thr->heap, resumer);
thr = resumer;
@@ -66468,6 +69825,7 @@ duk_small_uint_t duk__handle_longjmp(duk_hthread *thr,
thr->state = DUK_HTHREAD_STATE_YIELDED;
thr->resumer = NULL;
+ DUK_HTHREAD_DECREF_NORZ(thr, resumer);
resumer->state = DUK_HTHREAD_STATE_RUNNING;
DUK_HEAP_SWITCH_THREAD(thr->heap, resumer);
#if 0
@@ -66481,6 +69839,7 @@ duk_small_uint_t duk__handle_longjmp(duk_hthread *thr,
DUK_UNREACHABLE();
break; /* never here */
}
+#endif /* DUK_USE_COROUTINE_SUPPORT */
case DUK_LJ_TYPE_THROW: {
/*
@@ -66567,10 +69926,10 @@ duk_small_uint_t duk__handle_longjmp(duk_hthread *thr,
DUK_ASSERT(thr->resumer != NULL);
DUK_ASSERT(thr->resumer->callstack_top >= 2); /* Ecmascript activation + Duktape.Thread.resume() activation */
DUK_ASSERT(DUK_ACT_GET_FUNC(thr->resumer->callstack + thr->resumer->callstack_top - 1) != NULL &&
- DUK_HOBJECT_IS_NATIVEFUNCTION(DUK_ACT_GET_FUNC(thr->resumer->callstack + thr->resumer->callstack_top - 1)) &&
- ((duk_hnativefunction *) DUK_ACT_GET_FUNC(thr->resumer->callstack + thr->resumer->callstack_top - 1))->func == duk_bi_thread_resume); /* Duktape.Thread.resume() */
+ DUK_HOBJECT_IS_NATFUNC(DUK_ACT_GET_FUNC(thr->resumer->callstack + thr->resumer->callstack_top - 1)) &&
+ ((duk_hnatfunc *) DUK_ACT_GET_FUNC(thr->resumer->callstack + thr->resumer->callstack_top - 1))->func == duk_bi_thread_resume); /* Duktape.Thread.resume() */
DUK_ASSERT(DUK_ACT_GET_FUNC(thr->resumer->callstack + thr->resumer->callstack_top - 2) != NULL &&
- DUK_HOBJECT_IS_COMPILEDFUNCTION(DUK_ACT_GET_FUNC(thr->resumer->callstack + thr->resumer->callstack_top - 2))); /* an Ecmascript function */
+ DUK_HOBJECT_IS_COMPFUNC(DUK_ACT_GET_FUNC(thr->resumer->callstack + thr->resumer->callstack_top - 2))); /* an Ecmascript function */
resumer = thr->resumer;
@@ -66583,6 +69942,7 @@ duk_small_uint_t duk__handle_longjmp(duk_hthread *thr,
DUK_ASSERT(thr->state == DUK_HTHREAD_STATE_TERMINATED);
thr->resumer = NULL;
+ DUK_HTHREAD_DECREF_NORZ(thr, resumer);
resumer->state = DUK_HTHREAD_STATE_RUNNING;
DUK_HEAP_SWITCH_THREAD(thr->heap, resumer);
thr = resumer;
@@ -66619,7 +69979,7 @@ duk_small_uint_t duk__handle_longjmp(duk_hthread *thr,
* but it's better for internal errors to bubble outwards so that we won't
* infinite loop in this catchpoint.
*/
- DUK_ERROR_INTERNAL_DEFMSG(thr);
+ DUK_ERROR_INTERNAL(thr);
DUK_UNREACHABLE();
return retval;
}
@@ -66672,7 +70032,7 @@ DUK_LOCAL void duk__handle_break_or_continue(duk_hthread *thr,
cat_idx = (duk_size_t) (cat - thr->catchstack); /* get before side effects */
- DUK_TVAL_SET_FASTINT_U32(&tv_tmp, (duk_uint32_t) label_id);
+ DUK_TVAL_SET_U32(&tv_tmp, (duk_uint32_t) label_id);
duk__handle_finally(thr, cat_idx, &tv_tmp, lj_type);
DUK_DD(DUK_DDPRINT("-> break/continue caught by 'finally', restart execution"));
@@ -66693,7 +70053,7 @@ DUK_LOCAL void duk__handle_break_or_continue(duk_hthread *thr,
/* should never happen, but be robust */
DUK_D(DUK_DPRINT("-> break/continue not caught by anything in the current function (should never happen), throw internal error"));
- DUK_ERROR_INTERNAL_DEFMSG(thr);
+ DUK_ERROR_INTERNAL(thr);
return;
}
@@ -66706,7 +70066,9 @@ DUK_LOCAL duk_small_uint_t duk__handle_return(duk_hthread *thr,
duk_size_t entry_callstack_top) {
duk_tval *tv1;
duk_tval *tv2;
+#if defined(DUK_USE_COROUTINE_SUPPORT)
duk_hthread *resumer;
+#endif
duk_catcher *cat;
duk_size_t new_cat_top;
duk_size_t orig_callstack_index;
@@ -66717,7 +70079,7 @@ DUK_LOCAL duk_small_uint_t duk__handle_return(duk_hthread *thr,
DUK_ASSERT(entry_thread != NULL);
DUK_ASSERT(thr->valstack_top - 1 >= thr->valstack_bottom);
tv1 = thr->valstack_top - 1;
- DUK_TVAL_CHKFAST_INPLACE(tv1); /* fastint downgrade check for return values */
+ DUK_TVAL_CHKFAST_INPLACE_FAST(tv1); /* fastint downgrade check for return values */
/*
* Four possible outcomes:
@@ -66799,7 +70161,7 @@ DUK_LOCAL duk_small_uint_t duk__handle_return(duk_hthread *thr,
(long) (thr->callstack + thr->callstack_top - 2)->idx_retval,
(duk_tval *) &thr->heap->lj.value1));
- DUK_ASSERT(DUK_HOBJECT_IS_COMPILEDFUNCTION(DUK_ACT_GET_FUNC(thr->callstack + thr->callstack_top - 2))); /* must be ecmascript */
+ DUK_ASSERT(DUK_HOBJECT_IS_COMPFUNC(DUK_ACT_GET_FUNC(thr->callstack + thr->callstack_top - 2))); /* must be ecmascript */
tv1 = thr->valstack + (thr->callstack + thr->callstack_top - 2)->idx_retval;
DUK_ASSERT(thr->valstack_top - 1 >= thr->valstack_bottom);
@@ -66818,15 +70180,16 @@ DUK_LOCAL duk_small_uint_t duk__handle_return(duk_hthread *thr,
return DUK__RETHAND_RESTART;
}
+#if defined(DUK_USE_COROUTINE_SUPPORT)
DUK_DD(DUK_DDPRINT("no calling activation, thread finishes (similar to yield)"));
DUK_ASSERT(thr->resumer != NULL);
DUK_ASSERT(thr->resumer->callstack_top >= 2); /* Ecmascript activation + Duktape.Thread.resume() activation */
DUK_ASSERT(DUK_ACT_GET_FUNC(thr->resumer->callstack + thr->resumer->callstack_top - 1) != NULL &&
- DUK_HOBJECT_IS_NATIVEFUNCTION(DUK_ACT_GET_FUNC(thr->resumer->callstack + thr->resumer->callstack_top - 1)) &&
- ((duk_hnativefunction *) DUK_ACT_GET_FUNC(thr->resumer->callstack + thr->resumer->callstack_top - 1))->func == duk_bi_thread_resume); /* Duktape.Thread.resume() */
+ DUK_HOBJECT_IS_NATFUNC(DUK_ACT_GET_FUNC(thr->resumer->callstack + thr->resumer->callstack_top - 1)) &&
+ ((duk_hnatfunc *) DUK_ACT_GET_FUNC(thr->resumer->callstack + thr->resumer->callstack_top - 1))->func == duk_bi_thread_resume); /* Duktape.Thread.resume() */
DUK_ASSERT(DUK_ACT_GET_FUNC(thr->resumer->callstack + thr->resumer->callstack_top - 2) != NULL &&
- DUK_HOBJECT_IS_COMPILEDFUNCTION(DUK_ACT_GET_FUNC(thr->resumer->callstack + thr->resumer->callstack_top - 2))); /* an Ecmascript function */
+ DUK_HOBJECT_IS_COMPFUNC(DUK_ACT_GET_FUNC(thr->resumer->callstack + thr->resumer->callstack_top - 2))); /* an Ecmascript function */
DUK_ASSERT_DISABLE((thr->resumer->callstack + thr->resumer->callstack_top - 2)->idx_retval >= 0); /* unsigned */
DUK_ASSERT(thr->state == DUK_HTHREAD_STATE_RUNNING);
DUK_ASSERT(thr->resumer->state == DUK_HTHREAD_STATE_RESUMED);
@@ -66841,6 +70204,7 @@ DUK_LOCAL duk_small_uint_t duk__handle_return(duk_hthread *thr,
DUK_ASSERT(thr->state == DUK_HTHREAD_STATE_TERMINATED);
thr->resumer = NULL;
+ DUK_HTHREAD_DECREF(thr, resumer);
resumer->state = DUK_HTHREAD_STATE_RUNNING;
DUK_HEAP_SWITCH_THREAD(thr->heap, resumer);
#if 0
@@ -66849,6 +70213,11 @@ DUK_LOCAL duk_small_uint_t duk__handle_return(duk_hthread *thr,
DUK_DD(DUK_DDPRINT("-> return not caught, thread terminated; handle like yield, restart execution in resumer"));
return DUK__RETHAND_RESTART;
+#else
+ /* Without coroutine support this case should never happen. */
+ DUK_ERROR_INTERNAL(thr);
+ return DUK__RETHAND_FINISHED; /* not executed */
+#endif
}
/*
@@ -66970,7 +70339,7 @@ DUK_LOCAL void duk__interrupt_handle_debugger(duk_hthread *thr, duk_bool_t *out_
*/
process_messages = 0;
- if (thr->heap->dbg_state_dirty || thr->heap->dbg_paused || thr->heap->dbg_detaching) {
+ if (thr->heap->dbg_state_dirty || DUK_HEAP_HAS_DEBUGGER_PAUSED(thr->heap) || thr->heap->dbg_detaching) {
/* Enter message processing loop for sending Status notifys and
* to finish a pending detach.
*/
@@ -67041,7 +70410,7 @@ DUK_LOCAL void duk__interrupt_handle_debugger(duk_hthread *thr, duk_bool_t *out_
thr->heap->dbg_step_type == DUK_STEP_TYPE_OVER) &&
thr->heap->dbg_step_thread == thr &&
thr->heap->dbg_step_csindex == thr->callstack_top - 1) ||
- thr->heap->dbg_paused) {
+ DUK_HEAP_HAS_DEBUGGER_PAUSED(thr->heap)) {
*out_immediate = 1;
}
@@ -67061,7 +70430,7 @@ DUK_LOCAL void duk__interrupt_handle_debugger(duk_hthread *thr, duk_bool_t *out_
DUK_LOCAL duk_small_uint_t duk__executor_interrupt(duk_hthread *thr) {
duk_int_t ctr;
duk_activation *act;
- duk_hcompiledfunction *fun;
+ duk_hcompfunc *fun;
duk_bool_t immediate = 0;
duk_small_uint_t retval;
@@ -67110,8 +70479,8 @@ DUK_LOCAL duk_small_uint_t duk__executor_interrupt(duk_hthread *thr) {
act = thr->callstack + thr->callstack_top - 1;
- fun = (duk_hcompiledfunction *) DUK_ACT_GET_FUNC(act);
- DUK_ASSERT(DUK_HOBJECT_HAS_COMPILEDFUNCTION((duk_hobject *) fun));
+ fun = (duk_hcompfunc *) DUK_ACT_GET_FUNC(act);
+ DUK_ASSERT(DUK_HOBJECT_HAS_COMPFUNC((duk_hobject *) fun));
DUK_UNREF(fun);
@@ -67183,7 +70552,7 @@ DUK_LOCAL duk_small_uint_t duk__executor_interrupt(duk_hthread *thr) {
*/
#if defined(DUK_USE_DEBUGGER_SUPPORT)
-DUK_LOCAL void duk__executor_recheck_debugger(duk_hthread *thr, duk_activation *act, duk_hcompiledfunction *fun) {
+DUK_LOCAL void duk__executor_recheck_debugger(duk_hthread *thr, duk_activation *act, duk_hcompfunc *fun) {
duk_heap *heap;
duk_tval *tv_tmp;
duk_hstring *filename;
@@ -67235,7 +70604,7 @@ DUK_LOCAL void duk__executor_recheck_debugger(duk_hthread *thr, duk_activation *
for (bp_idx = 0; bp_idx < heap->dbg_breakpoint_count; bp_idx++) {
duk_breakpoint *bp = heap->dbg_breakpoints + bp_idx;
duk_hobject **funcs, **funcs_end;
- duk_hcompiledfunction *inner_fun;
+ duk_hcompfunc *inner_fun;
duk_bool_t bp_match;
if (bp->filename == filename &&
@@ -67250,11 +70619,11 @@ DUK_LOCAL void duk__executor_recheck_debugger(duk_hthread *thr, duk_activation *
(long) fun->start_line,
(long) fun->end_line));
- funcs = DUK_HCOMPILEDFUNCTION_GET_FUNCS_BASE(thr->heap, fun);
- funcs_end = DUK_HCOMPILEDFUNCTION_GET_FUNCS_END(thr->heap, fun);
+ funcs = DUK_HCOMPFUNC_GET_FUNCS_BASE(thr->heap, fun);
+ funcs_end = DUK_HCOMPFUNC_GET_FUNCS_END(thr->heap, fun);
while (funcs != funcs_end) {
- inner_fun = (duk_hcompiledfunction *) *funcs;
- DUK_ASSERT(DUK_HOBJECT_IS_COMPILEDFUNCTION((duk_hobject *) inner_fun));
+ inner_fun = (duk_hcompfunc *) *funcs;
+ DUK_ASSERT(DUK_HOBJECT_IS_COMPFUNC((duk_hobject *) inner_fun));
if (bp->line >= inner_fun->start_line && bp->line <= inner_fun->end_line) {
DUK_DD(DUK_DDPRINT("inner function masks ('captures') breakpoint"));
bp_match = 0;
@@ -67293,7 +70662,7 @@ DUK_LOCAL void duk__executor_recheck_debugger(duk_hthread *thr, duk_activation *
* Step out is handled by callstack unwind.
*/
if (act->flags & (DUK_ACT_FLAG_BREAKPOINT_ACTIVE) ||
- thr->heap->dbg_paused ||
+ DUK_HEAP_HAS_DEBUGGER_PAUSED(thr->heap) ||
(thr->heap->dbg_step_type != DUK_STEP_TYPE_OUT &&
thr->heap->dbg_step_csindex == thr->callstack_top - 1)) {
/* We'll need to interrupt early so recompute the init
@@ -67341,34 +70710,74 @@ DUK_LOCAL void duk__executor_recheck_debugger(duk_hthread *thr, duk_activation *
#if defined(DUK_USE_EXEC_FUN_LOCAL)
#define DUK__FUN() fun
#else
-#define DUK__FUN() ((duk_hcompiledfunction *) DUK_ACT_GET_FUNC((thr)->callstack + (thr)->callstack_top - 1))
+#define DUK__FUN() ((duk_hcompfunc *) DUK_ACT_GET_FUNC((thr)->callstack + (thr)->callstack_top - 1))
#endif
#define DUK__STRICT() (DUK_HOBJECT_HAS_STRICT((duk_hobject *) DUK__FUN()))
/* Reg/const access macros: these are very footprint and performance sensitive
- * so modify with care.
+ * so modify with care. Arguments are sometimes evaluated multiple times which
+ * is not ideal.
*/
#define DUK__REG(x) (*(thr->valstack_bottom + (x)))
#define DUK__REGP(x) (thr->valstack_bottom + (x))
#define DUK__CONST(x) (*(consts + (x)))
#define DUK__CONSTP(x) (consts + (x))
-#if 0
-#define DUK__REGCONST(x) ((x) < DUK_BC_REGLIMIT ? DUK__REG((x)) : DUK__CONST((x) - DUK_BC_REGLIMIT))
-#define DUK__REGCONSTP(x) ((x) < DUK_BC_REGLIMIT ? DUK__REGP((x)) : DUK__CONSTP((x) - DUK_BC_REGLIMIT))
-#define DUK__REGCONST(x) *((((x) < DUK_BC_REGLIMIT ? thr->valstack_bottom : consts2) + (x)))
-#define DUK__REGCONSTP(x) (((x) < DUK_BC_REGLIMIT ? thr->valstack_bottom : consts2) + (x))
-#endif
-/* This macro works when a regconst field is 9 bits, [0,0x1ff]. Adding
- * DUK_LIKELY/DUK_UNLIKELY increases code footprint and doesn't seem to
- * improve performance on x64 (and actually harms performance in some tests).
- */
-#define DUK__RCISREG(x) (((x) & 0x100) == 0)
-#define DUK__REGCONST(x) (*((DUK__RCISREG((x)) ? thr->valstack_bottom : consts2) + (x)))
-#define DUK__REGCONSTP(x) ((DUK__RCISREG((x)) ? thr->valstack_bottom : consts2) + (x))
-#ifdef DUK_USE_VERBOSE_EXECUTOR_ERRORS
+/* Reg/const access macros which take the 32-bit instruction and avoid an
+ * explicit field decoding step by using shifts and masks. These must be
+ * kept in sync with duk_js_bytecode.h. The shift/mask values are chosen
+ * so that 'ins' can be shifted and masked and used as a -byte- offset
+ * instead of a duk_tval offset which needs further shifting (which is an
+ * issue on some, but not all, CPUs).
+ */
+#define DUK__RCBIT_B DUK_BC_REGCONST_B
+#define DUK__RCBIT_C DUK_BC_REGCONST_C
+#if defined(DUK_USE_EXEC_REGCONST_OPTIMIZE)
+#if defined(DUK_USE_PACKED_TVAL)
+#define DUK__TVAL_SHIFT 3 /* sizeof(duk_tval) == 8 */
+#else
+#define DUK__TVAL_SHIFT 4 /* sizeof(duk_tval) == 16; not always the case so also asserted for */
+#endif
+#define DUK__SHIFT_A (DUK_BC_SHIFT_A - DUK__TVAL_SHIFT)
+#define DUK__SHIFT_B (DUK_BC_SHIFT_B - DUK__TVAL_SHIFT)
+#define DUK__SHIFT_C (DUK_BC_SHIFT_C - DUK__TVAL_SHIFT)
+#define DUK__SHIFT_BC (DUK_BC_SHIFT_BC - DUK__TVAL_SHIFT)
+#define DUK__MASK_A (DUK_BC_UNSHIFTED_MASK_A << DUK__TVAL_SHIFT)
+#define DUK__MASK_B (DUK_BC_UNSHIFTED_MASK_B << DUK__TVAL_SHIFT)
+#define DUK__MASK_C (DUK_BC_UNSHIFTED_MASK_C << DUK__TVAL_SHIFT)
+#define DUK__MASK_BC (DUK_BC_UNSHIFTED_MASK_BC << DUK__TVAL_SHIFT)
+#define DUK__BYTEOFF_A(ins) (((ins) >> DUK__SHIFT_A) & DUK__MASK_A)
+#define DUK__BYTEOFF_B(ins) (((ins) >> DUK__SHIFT_B) & DUK__MASK_B)
+#define DUK__BYTEOFF_C(ins) (((ins) >> DUK__SHIFT_C) & DUK__MASK_C)
+#define DUK__BYTEOFF_BC(ins) (((ins) >> DUK__SHIFT_BC) & DUK__MASK_BC)
+
+#define DUK__REGP_A(ins) ((duk_tval *) (void *) ((duk_uint8_t *) thr->valstack_bottom + DUK__BYTEOFF_A((ins))))
+#define DUK__REGP_B(ins) ((duk_tval *) (void *) ((duk_uint8_t *) thr->valstack_bottom + DUK__BYTEOFF_B((ins))))
+#define DUK__REGP_C(ins) ((duk_tval *) (void *) ((duk_uint8_t *) thr->valstack_bottom + DUK__BYTEOFF_C((ins))))
+#define DUK__REGP_BC(ins) ((duk_tval *) (void *) ((duk_uint8_t *) thr->valstack_bottom + DUK__BYTEOFF_BC((ins))))
+#define DUK__CONSTP_A(ins) ((duk_tval *) (void *) ((duk_uint8_t *) consts + DUK__BYTEOFF_A((ins))))
+#define DUK__CONSTP_B(ins) ((duk_tval *) (void *) ((duk_uint8_t *) consts + DUK__BYTEOFF_B((ins))))
+#define DUK__CONSTP_C(ins) ((duk_tval *) (void *) ((duk_uint8_t *) consts + DUK__BYTEOFF_C((ins))))
+#define DUK__CONSTP_BC(ins) ((duk_tval *) (void *) ((duk_uint8_t *) consts + DUK__BYTEOFF_BC((ins))))
+#define DUK__REGCONSTP_B(ins) ((duk_tval *) (void *) ((duk_uint8_t *) (((ins) & DUK__RCBIT_B) ? consts : thr->valstack_bottom) + DUK__BYTEOFF_B((ins))))
+#define DUK__REGCONSTP_C(ins) ((duk_tval *) (void *) ((duk_uint8_t *) (((ins) & DUK__RCBIT_C) ? consts : thr->valstack_bottom) + DUK__BYTEOFF_C((ins))))
+#else /* DUK_USE_EXEC_REGCONST_OPTIMIZE */
+/* Safe alternatives, no assumption about duk_tval size. */
+#define DUK__REGP_A(ins) DUK__REGP(DUK_DEC_A((ins)))
+#define DUK__REGP_B(ins) DUK__REGP(DUK_DEC_B((ins)))
+#define DUK__REGP_C(ins) DUK__REGP(DUK_DEC_C((ins)))
+#define DUK__REGP_BC(ins) DUK__REGP(DUK_DEC_BC((ins)))
+#define DUK__CONSTP_A(ins) DUK__CONSTP(DUK_DEC_A((ins)))
+#define DUK__CONSTP_B(ins) DUK__CONSTP(DUK_DEC_B((ins)))
+#define DUK__CONSTP_C(ins) DUK__CONSTP(DUK_DEC_C((ins)))
+#define DUK__CONSTP_BC(ins) DUK__CONSTP(DUK_DEC_BC((ins)))
+#define DUK__REGCONSTP_B(ins) ((((ins) & DUK__RCBIT_B) ? consts : thr->valstack_bottom) + DUK_DEC_B((ins)))
+#define DUK__REGCONSTP_C(ins) ((((ins) & DUK__RCBIT_C) ? consts : thr->valstack_bottom) + DUK_DEC_C((ins)))
+#endif /* DUK_USE_EXEC_REGCONST_OPTIMIZE */
+
+#if defined(DUK_USE_VERBOSE_EXECUTOR_ERRORS)
#define DUK__INTERNAL_ERROR(msg) do { \
- DUK_ERROR_INTERNAL(thr, (msg)); \
+ DUK_ERROR_ERROR(thr, (msg)); \
} while (0)
#else
#define DUK__INTERNAL_ERROR(msg) do { \
@@ -67388,6 +70797,27 @@ DUK_LOCAL void duk__executor_recheck_debugger(duk_hthread *thr, duk_activation *
thr->ptr_curr_pc = NULL; \
} while (0)
+#if defined(DUK_USE_EXEC_PREFER_SIZE)
+#define DUK__LOOKUP_INDIRECT_INDEX(idx) do { \
+ (idx) = (duk_uint_fast_t) duk_get_uint(ctx, (idx)); \
+ } while (0)
+#elif defined(DUK_USE_FASTINT)
+#define DUK__LOOKUP_INDIRECT_INDEX(idx) do { \
+ duk_tval *tv_ind; \
+ tv_ind = DUK__REGP((idx)); \
+ DUK_ASSERT(DUK_TVAL_IS_NUMBER(tv_ind)); \
+ DUK_ASSERT(DUK_TVAL_IS_FASTINT(tv_ind)); /* compiler guarantees */ \
+ (idx) = (duk_uint_fast_t) DUK_TVAL_GET_FASTINT_U32(tv_ind); \
+ } while (0)
+#else
+#define DUK__LOOKUP_INDIRECT_INDEX(idx) do { \
+ duk_tval *tv_ind; \
+ tv_ind = DUK__REGP(idx); \
+ DUK_ASSERT(DUK_TVAL_IS_NUMBER(tv_ind)); \
+ idx = (duk_uint_fast_t) DUK_TVAL_GET_NUMBER(tv_ind); \
+ } while (0)
+#endif
+
DUK_LOCAL void duk__handle_executor_error(duk_heap *heap,
duk_hthread *entry_thread,
duk_size_t entry_callstack_top,
@@ -67446,7 +70876,7 @@ DUK_INTERNAL void duk_js_execute_bytecode(duk_hthread *exec_thr) {
DUK_ASSERT_REFCOUNT_NONZERO_HEAPHDR((duk_heaphdr *) exec_thr);
DUK_ASSERT(exec_thr->callstack_top >= 1); /* at least one activation, ours */
DUK_ASSERT(DUK_ACT_GET_FUNC(exec_thr->callstack + exec_thr->callstack_top - 1) != NULL);
- DUK_ASSERT(DUK_HOBJECT_IS_COMPILEDFUNCTION(DUK_ACT_GET_FUNC(exec_thr->callstack + exec_thr->callstack_top - 1)));
+ DUK_ASSERT(DUK_HOBJECT_IS_COMPFUNC(DUK_ACT_GET_FUNC(exec_thr->callstack + exec_thr->callstack_top - 1)));
entry_thread = exec_thr;
heap = entry_thread->heap;
@@ -67505,7 +70935,7 @@ DUK_INTERNAL void duk_js_execute_bytecode(duk_hthread *exec_thr) {
DUK_D(DUK_DPRINT("unexpected c++ std::exception (perhaps thrown by user code)"));
try {
DUK_ASSERT(heap->curr_thread != NULL);
- DUK_ERROR_FMT1(heap->curr_thread, DUK_ERR_API_ERROR, "caught invalid c++ std::exception '%s' (perhaps thrown by user code)", what);
+ DUK_ERROR_FMT1(heap->curr_thread, DUK_ERR_TYPE_ERROR, "caught invalid c++ std::exception '%s' (perhaps thrown by user code)", what);
} catch (duk_internal_exception exc) {
DUK_D(DUK_DPRINT("caught api error thrown from unexpected c++ std::exception"));
DUK_UNREF(exc);
@@ -67519,7 +70949,7 @@ DUK_INTERNAL void duk_js_execute_bytecode(duk_hthread *exec_thr) {
DUK_D(DUK_DPRINT("unexpected c++ exception (perhaps thrown by user code)"));
try {
DUK_ASSERT(heap->curr_thread != NULL);
- DUK_ERROR_API(heap->curr_thread, "caught invalid c++ exception (perhaps thrown by user code)");
+ DUK_ERROR_TYPE(heap->curr_thread, "caught invalid c++ exception (perhaps thrown by user code)");
} catch (duk_internal_exception exc) {
DUK_D(DUK_DPRINT("caught api error thrown from unexpected c++ exception"));
DUK_UNREF(exc);
@@ -67550,23 +70980,34 @@ DUK_LOCAL DUK_NOINLINE void duk__js_execute_bytecode_inner(duk_hthread *entry_th
*/
duk_hthread *thr; /* stable */
duk_tval *consts; /* stable */
- duk_tval *consts2; /* stable; precalculated for faster lookups */
duk_uint_fast32_t ins;
/* 'funcs' is quite rarely used, so no local for it */
#if defined(DUK_USE_EXEC_FUN_LOCAL)
- duk_hcompiledfunction *fun;
+ duk_hcompfunc *fun;
#else
/* 'fun' is quite rarely used, so no local for it */
#endif
-#ifdef DUK_USE_INTERRUPT_COUNTER
+#if defined(DUK_USE_INTERRUPT_COUNTER)
duk_int_t int_ctr;
#endif
-#ifdef DUK_USE_ASSERTIONS
+#if defined(DUK_USE_ASSERTIONS)
duk_size_t valstack_top_base; /* valstack top, should match before interpreting each op (no leftovers) */
#endif
+ /* Optimized reg/const access macros assume sizeof(duk_tval) to be
+ * either 8 or 16. Heap allocation checks this even without asserts
+ * enabled now because it can't be autodetected in duk_config.h.
+ */
+#if 1
+#if defined(DUK_USE_PACKED_TVAL)
+ DUK_ASSERT(sizeof(duk_tval) == 8);
+#else
+ DUK_ASSERT(sizeof(duk_tval) == 16);
+#endif
+#endif
+
/*
* Restart execution by reloading thread state.
*
@@ -67617,7 +71058,7 @@ DUK_LOCAL DUK_NOINLINE void duk__js_execute_bytecode_inner(duk_hthread *entry_th
DUK_ASSERT(thr != NULL);
DUK_ASSERT(thr->callstack_top >= 1);
DUK_ASSERT(DUK_ACT_GET_FUNC(thr->callstack + thr->callstack_top - 1) != NULL);
- DUK_ASSERT(DUK_HOBJECT_IS_COMPILEDFUNCTION(DUK_ACT_GET_FUNC(thr->callstack + thr->callstack_top - 1)));
+ DUK_ASSERT(DUK_HOBJECT_IS_COMPFUNC(DUK_ACT_GET_FUNC(thr->callstack + thr->callstack_top - 1)));
thr->ptr_curr_pc = &curr_pc;
@@ -67625,19 +71066,18 @@ DUK_LOCAL DUK_NOINLINE void duk__js_execute_bytecode_inner(duk_hthread *entry_th
{
duk_activation *act;
#if !defined(DUK_USE_EXEC_FUN_LOCAL)
- duk_hcompiledfunction *fun;
+ duk_hcompfunc *fun;
#endif
/* Assume interrupt init/counter are properly initialized here. */
/* Assume that thr->valstack_bottom has been set-up before getting here. */
act = thr->callstack + thr->callstack_top - 1;
- fun = (duk_hcompiledfunction *) DUK_ACT_GET_FUNC(act);
+ fun = (duk_hcompfunc *) DUK_ACT_GET_FUNC(act);
DUK_ASSERT(fun != NULL);
DUK_ASSERT(thr->valstack_top - thr->valstack_bottom == fun->nregs);
- consts = DUK_HCOMPILEDFUNCTION_GET_CONSTS_BASE(thr->heap, fun);
+ consts = DUK_HCOMPFUNC_GET_CONSTS_BASE(thr->heap, fun);
DUK_ASSERT(consts != NULL);
- consts2 = consts - DUK_BC_REGLIMIT;
#if defined(DUK_USE_DEBUGGER_SUPPORT)
if (DUK_HEAP_IS_DEBUGGER_ATTACHED(thr->heap) && !thr->heap->dbg_processing) {
@@ -67646,7 +71086,7 @@ DUK_LOCAL DUK_NOINLINE void duk__js_execute_bytecode_inner(duk_hthread *entry_th
}
#endif /* DUK_USE_DEBUGGER_SUPPORT */
-#ifdef DUK_USE_ASSERTIONS
+#if defined(DUK_USE_ASSERTIONS)
valstack_top_base = (duk_size_t) (thr->valstack_top - thr->valstack);
#endif
@@ -67660,8 +71100,8 @@ DUK_LOCAL DUK_NOINLINE void duk__js_execute_bytecode_inner(duk_hthread *entry_th
(void *) thr,
(long) (thr->callstack_top - 1),
(void *) DUK__FUN(),
- (void *) DUK_HCOMPILEDFUNCTION_GET_CONSTS_BASE(thr->heap, DUK__FUN()),
- (void *) DUK_HCOMPILEDFUNCTION_GET_FUNCS_BASE(thr->heap, DUK__FUN()),
+ (void *) DUK_HCOMPFUNC_GET_CONSTS_BASE(thr->heap, DUK__FUN()),
+ (void *) DUK_HCOMPFUNC_GET_FUNCS_BASE(thr->heap, DUK__FUN()),
(long) (thr->callstack_top - 1),
(long) (thr->valstack_bottom - thr->valstack),
(long) (thr->valstack_top - thr->valstack),
@@ -67671,6 +71111,8 @@ DUK_LOCAL DUK_NOINLINE void duk__js_execute_bytecode_inner(duk_hthread *entry_th
/* Dispatch loop. */
for (;;) {
+ duk_uint8_t op;
+
DUK_ASSERT(thr->callstack_top >= 1);
DUK_ASSERT(thr->valstack_top - thr->valstack_bottom == DUK__FUN()->nregs);
DUK_ASSERT((duk_size_t) (thr->valstack_top - thr->valstack) == valstack_top_base);
@@ -67728,12 +71170,12 @@ DUK_LOCAL DUK_NOINLINE void duk__js_execute_bytecode_inner(duk_hthread *entry_th
{
duk_activation *act;
act = thr->callstack + thr->callstack_top - 1;
- DUK_ASSERT(curr_pc >= DUK_HCOMPILEDFUNCTION_GET_CODE_BASE(thr->heap, DUK__FUN()));
- DUK_ASSERT(curr_pc < DUK_HCOMPILEDFUNCTION_GET_CODE_END(thr->heap, DUK__FUN()));
+ DUK_ASSERT(curr_pc >= DUK_HCOMPFUNC_GET_CODE_BASE(thr->heap, DUK__FUN()));
+ DUK_ASSERT(curr_pc < DUK_HCOMPFUNC_GET_CODE_END(thr->heap, DUK__FUN()));
DUK_UNREF(act); /* if debugging disabled */
DUK_DDD(DUK_DDDPRINT("executing bytecode: pc=%ld, ins=0x%08lx, op=%ld, valstack_top=%ld/%ld, nregs=%ld --> %!I",
- (long) (curr_pc - DUK_HCOMPILEDFUNCTION_GET_CODE_BASE(thr->heap, DUK__FUN())),
+ (long) (curr_pc - DUK_HCOMPFUNC_GET_CODE_BASE(thr->heap, DUK__FUN())),
(unsigned long) *curr_pc,
(long) DUK_DEC_OP(*curr_pc),
(long) (thr->valstack_top - thr->valstack),
@@ -67761,417 +71203,995 @@ DUK_LOCAL DUK_NOINLINE void duk__js_execute_bytecode_inner(duk_hthread *entry_th
ins = *curr_pc++;
/* Typing: use duk_small_(u)int_fast_t when decoding small
- * opcode fields (op, A, B, C) and duk_(u)int_fast_t when
- * decoding larger fields (e.g. BC which is 18 bits). Use
- * unsigned variant by default, signed when the value is used
- * in signed arithmetic. Using variable names such as 'a', 'b',
- * 'c', 'bc', etc makes it easier to spot typing mismatches.
+ * opcode fields (op, A, B, C, BC) which fit into 16 bits
+ * and duk_(u)int_fast_t when decoding larger fields (e.g.
+ * ABC). Use unsigned variant by default, signed when the
+ * value is used in signed arithmetic. Using variable names
+ * such as 'a', 'b', 'c', 'bc', etc makes it easier to spot
+ * typing mismatches.
*/
- /* XXX: the best typing needs to be validated by perf measurement:
- * e.g. using a small type which is the cast to a larger duk_idx_t
- * may be slower than declaring the variable as a duk_idx_t in the
- * first place.
+ /* Switch based on opcode. Cast to 8-bit unsigned value and
+ * use a fully populated case clauses so that the compiler
+ * will (at least usually) omit a bounds check.
*/
+ op = (duk_uint8_t) DUK_DEC_OP(ins);
+ switch (op) {
- /* XXX: use macros for the repetitive tval/refcount handling. */
+ /* Some useful macros. These access inner executor variables
+ * directly so they only apply within the executor.
+ */
+#if defined(DUK_USE_EXEC_PREFER_SIZE)
+#define DUK__REPLACE_TOP_A_BREAK() { goto replace_top_a; }
+#define DUK__REPLACE_TOP_BC_BREAK() { goto replace_top_bc; }
+#define DUK__REPLACE_BOOL_A_BREAK(bval) { \
+ duk_bool_t duk__bval; \
+ duk__bval = (bval); \
+ DUK_ASSERT(duk__bval == 0 || duk__bval == 1); \
+ duk_push_boolean((duk_context *) thr, duk__bval); \
+ DUK__REPLACE_TOP_A_BREAK(); \
+ }
+#else
+#define DUK__REPLACE_TOP_A_BREAK() { DUK__REPLACE_TO_TVPTR(thr, DUK__REGP_A(ins)); break; }
+#define DUK__REPLACE_TOP_BC_BREAK() { DUK__REPLACE_TO_TVPTR(thr, DUK__REGP_BC(ins)); break; }
+#define DUK__REPLACE_BOOL_A_BREAK(bval) { \
+ duk_bool_t duk__bval; \
+ duk_tval *duk__tvdst; \
+ duk__bval = (bval); \
+ DUK_ASSERT(duk__bval == 0 || duk__bval == 1); \
+ duk__tvdst = DUK__REGP_A(ins); \
+ DUK_TVAL_SET_BOOLEAN_UPDREF(thr, duk__tvdst, duk__bval); \
+ break; \
+ }
+#endif
- switch ((int) DUK_DEC_OP(ins)) {
- /* XXX: switch cast? */
+ /* XXX: 12 + 12 bit variant might make sense too, for both reg and
+ * const loads.
+ */
+ /* For LDREG, STREG, LDCONST footprint optimized variants would just
+ * duk_dup() + duk_replace(), but because they're used quite a lot
+ * they're currently intentionally not size optimized.
+ */
case DUK_OP_LDREG: {
- duk_small_uint_fast_t a;
- duk_uint_fast_t bc;
duk_tval *tv1, *tv2;
- a = DUK_DEC_A(ins); tv1 = DUK__REGP(a);
- bc = DUK_DEC_BC(ins); tv2 = DUK__REGP(bc);
+ tv1 = DUK__REGP_A(ins);
+ tv2 = DUK__REGP_BC(ins);
DUK_TVAL_SET_TVAL_UPDREF_FAST(thr, tv1, tv2); /* side effects */
break;
}
case DUK_OP_STREG: {
- duk_small_uint_fast_t a;
- duk_uint_fast_t bc;
duk_tval *tv1, *tv2;
- a = DUK_DEC_A(ins); tv1 = DUK__REGP(a);
- bc = DUK_DEC_BC(ins); tv2 = DUK__REGP(bc);
+ tv1 = DUK__REGP_A(ins);
+ tv2 = DUK__REGP_BC(ins);
DUK_TVAL_SET_TVAL_UPDREF_FAST(thr, tv2, tv1); /* side effects */
break;
}
case DUK_OP_LDCONST: {
- duk_small_uint_fast_t a;
- duk_uint_fast_t bc;
duk_tval *tv1, *tv2;
- a = DUK_DEC_A(ins); tv1 = DUK__REGP(a);
- bc = DUK_DEC_BC(ins); tv2 = DUK__CONSTP(bc);
+ tv1 = DUK__REGP_A(ins);
+ tv2 = DUK__CONSTP_BC(ins);
DUK_TVAL_SET_TVAL_UPDREF_FAST(thr, tv1, tv2); /* side effects */
break;
}
+ /* LDINT and LDINTX are intended to load an arbitrary signed
+ * 32-bit value. Only an LDINT+LDINTX sequence is supported.
+ * This also guarantees all values remain fastints.
+ */
+#if defined(DUK_USE_EXEC_PREFER_SIZE)
+ case DUK_OP_LDINT: {
+ duk_int32_t val;
+
+ val = (duk_int32_t) DUK_DEC_BC(ins) - (duk_int32_t) DUK_BC_LDINT_BIAS;
+ duk_push_int((duk_context *) thr, val);
+ DUK__REPLACE_TOP_A_BREAK();
+ }
+ case DUK_OP_LDINTX: {
+ duk_int32_t val;
+
+ val = (duk_int32_t) duk_get_int((duk_context *) thr, DUK_DEC_A(ins));
+ val = (val << DUK_BC_LDINTX_SHIFT) + (duk_int32_t) DUK_DEC_BC(ins); /* no bias */
+ duk_push_int((duk_context *) thr, val);
+ DUK__REPLACE_TOP_A_BREAK();
+ }
+#else /* DUK_USE_EXEC_PREFER_SIZE */
case DUK_OP_LDINT: {
- duk_small_uint_fast_t a;
- duk_int_fast_t bc;
duk_tval *tv1;
-#if defined(DUK_USE_FASTINT)
duk_int32_t val;
-#else
- duk_double_t val;
-#endif
-#if defined(DUK_USE_FASTINT)
- a = DUK_DEC_A(ins); tv1 = DUK__REGP(a);
- bc = DUK_DEC_BC(ins); val = (duk_int32_t) (bc - DUK_BC_LDINT_BIAS);
- DUK_TVAL_SET_FASTINT_I32_UPDREF(thr, tv1, val); /* side effects */
-#else
- a = DUK_DEC_A(ins); tv1 = DUK__REGP(a);
- bc = DUK_DEC_BC(ins); val = (duk_double_t) (bc - DUK_BC_LDINT_BIAS);
- DUK_TVAL_SET_NUMBER_UPDREF(thr, tv1, val); /* side effects */
-#endif
+ val = (duk_int32_t) DUK_DEC_BC(ins) - (duk_int32_t) DUK_BC_LDINT_BIAS;
+ tv1 = DUK__REGP_A(ins);
+ DUK_TVAL_SET_I32_UPDREF(thr, tv1, val); /* side effects */
break;
}
-
case DUK_OP_LDINTX: {
- duk_small_uint_fast_t a;
duk_tval *tv1;
- duk_double_t val;
-
- /* LDINTX is not necessarily in FASTINT range, so
- * no fast path for now.
- *
- * XXX: perhaps restrict LDINTX to fastint range, wider
- * range very rarely needed.
- */
+ duk_int32_t val;
- a = DUK_DEC_A(ins); tv1 = DUK__REGP(a);
+ tv1 = DUK__REGP_A(ins);
DUK_ASSERT(DUK_TVAL_IS_NUMBER(tv1));
- val = DUK_TVAL_GET_NUMBER(tv1) * ((duk_double_t) (1L << DUK_BC_LDINTX_SHIFT)) +
- (duk_double_t) DUK_DEC_BC(ins);
#if defined(DUK_USE_FASTINT)
- DUK_TVAL_SET_NUMBER_CHKFAST(tv1, val);
+ DUK_ASSERT(DUK_TVAL_IS_FASTINT(tv1));
+ val = DUK_TVAL_GET_FASTINT_I32(tv1);
#else
- DUK_TVAL_SET_NUMBER(tv1, val);
+ /* XXX: fast double-to-int conversion, we know number is integer in [-0x80000000,0xffffffff]. */
+ val = (duk_int32_t) DUK_TVAL_GET_NUMBER(tv1);
#endif
+ val = (val << DUK_BC_LDINTX_SHIFT) + (duk_int32_t) DUK_DEC_BC(ins); /* no bias */
+ DUK_TVAL_SET_I32_UPDREF(thr, tv1, val); /* side effects */
break;
}
+#endif /* DUK_USE_EXEC_PREFER_SIZE */
- case DUK_OP_MPUTOBJ:
- case DUK_OP_MPUTOBJI: {
- duk_context *ctx = (duk_context *) thr;
- duk_small_uint_fast_t a;
- duk_tval *tv1;
- duk_hobject *obj;
- duk_uint_fast_t idx;
- duk_small_uint_fast_t count;
-
- /* A -> register of target object
- * B -> first register of key/value pair list
- * C -> number of key/value pairs
- */
-
- a = DUK_DEC_A(ins); tv1 = DUK__REGP(a);
- DUK_ASSERT(DUK_TVAL_IS_OBJECT(tv1));
- obj = DUK_TVAL_GET_OBJECT(tv1);
-
- idx = (duk_uint_fast_t) DUK_DEC_B(ins);
- if (DUK_DEC_OP(ins) == DUK_OP_MPUTOBJI) {
- duk_tval *tv_ind = DUK__REGP(idx);
- DUK_ASSERT(DUK_TVAL_IS_NUMBER(tv_ind));
- idx = (duk_uint_fast_t) DUK_TVAL_GET_NUMBER(tv_ind);
- }
-
- count = (duk_small_uint_fast_t) DUK_DEC_C(ins);
-
-#if defined(DUK_USE_EXEC_INDIRECT_BOUND_CHECK)
- if (DUK_UNLIKELY(idx + count * 2 > (duk_uint_fast_t) duk_get_top(ctx))) {
- /* XXX: use duk_is_valid_index() instead? */
- /* XXX: improve check; check against nregs, not against top */
- DUK__INTERNAL_ERROR("MPUTOBJ out of bounds");
- }
-#endif
-
- duk_push_hobject(ctx, obj);
-
- while (count > 0) {
- /* XXX: faster initialization (direct access or better primitives) */
-
- duk_push_tval(ctx, DUK__REGP(idx));
- DUK_ASSERT(duk_is_string(ctx, -1));
- duk_push_tval(ctx, DUK__REGP(idx + 1)); /* -> [... obj key value] */
- duk_xdef_prop_wec(ctx, -3); /* -> [... obj] */
-
- count--;
- idx += 2;
- }
-
- duk_pop(ctx); /* [... obj] -> [...] */
+#if defined(DUK_USE_EXEC_PREFER_SIZE)
+ case DUK_OP_LDTHIS: {
+ duk_push_this((duk_context *) thr);
+ DUK__REPLACE_TOP_BC_BREAK();
+ }
+ case DUK_OP_LDUNDEF: {
+ duk_to_undefined((duk_context *) thr, (duk_idx_t) DUK_DEC_BC(ins));
break;
}
+ case DUK_OP_LDNULL: {
+ duk_to_null((duk_context *) thr, (duk_idx_t) DUK_DEC_BC(ins));
+ break;
+ }
+ case DUK_OP_LDTRUE: {
+ duk_push_true((duk_context *) thr);
+ DUK__REPLACE_TOP_BC_BREAK();
+ }
+ case DUK_OP_LDFALSE: {
+ duk_push_false((duk_context *) thr);
+ DUK__REPLACE_TOP_BC_BREAK();
+ }
+#else /* DUK_USE_EXEC_PREFER_SIZE */
+ case DUK_OP_LDTHIS: {
+ /* Note: 'this' may be bound to any value, not just an object */
+ duk_tval *tv1, *tv2;
- case DUK_OP_MPUTARR:
- case DUK_OP_MPUTARRI: {
- duk_context *ctx = (duk_context *) thr;
- duk_small_uint_fast_t a;
+ tv1 = DUK__REGP_BC(ins);
+ tv2 = thr->valstack_bottom - 1; /* 'this binding' is just under bottom */
+ DUK_ASSERT(tv2 >= thr->valstack);
+ DUK_TVAL_SET_TVAL_UPDREF_FAST(thr, tv1, tv2); /* side effects */
+ break;
+ }
+ case DUK_OP_LDUNDEF: {
duk_tval *tv1;
- duk_hobject *obj;
- duk_uint_fast_t idx;
- duk_small_uint_fast_t count;
- duk_uint32_t arr_idx;
-
- /* A -> register of target object
- * B -> first register of value data (start_index, value1, value2, ..., valueN)
- * C -> number of key/value pairs (N)
- */
-
- a = DUK_DEC_A(ins); tv1 = DUK__REGP(a);
- DUK_ASSERT(DUK_TVAL_IS_OBJECT(tv1));
- obj = DUK_TVAL_GET_OBJECT(tv1);
- DUK_ASSERT(obj != NULL);
-
- idx = (duk_uint_fast_t) DUK_DEC_B(ins);
- if (DUK_DEC_OP(ins) == DUK_OP_MPUTARRI) {
- duk_tval *tv_ind = DUK__REGP(idx);
- DUK_ASSERT(DUK_TVAL_IS_NUMBER(tv_ind));
- idx = (duk_uint_fast_t) DUK_TVAL_GET_NUMBER(tv_ind);
- }
-
- count = (duk_small_uint_fast_t) DUK_DEC_C(ins);
-#if defined(DUK_USE_EXEC_INDIRECT_BOUND_CHECK)
- if (idx + count + 1 > (duk_uint_fast_t) duk_get_top(ctx)) {
- /* XXX: use duk_is_valid_index() instead? */
- /* XXX: improve check; check against nregs, not against top */
- DUK__INTERNAL_ERROR("MPUTARR out of bounds");
- }
-#endif
+ tv1 = DUK__REGP_BC(ins);
+ DUK_TVAL_SET_UNDEFINED_UPDREF(thr, tv1); /* side effects */
+ break;
+ }
+ case DUK_OP_LDNULL: {
+ duk_tval *tv1;
- tv1 = DUK__REGP(idx);
- DUK_ASSERT(DUK_TVAL_IS_NUMBER(tv1));
- arr_idx = (duk_uint32_t) DUK_TVAL_GET_NUMBER(tv1);
- idx++;
+ tv1 = DUK__REGP_BC(ins);
+ DUK_TVAL_SET_NULL_UPDREF(thr, tv1); /* side effects */
+ break;
+ }
+ case DUK_OP_LDTRUE: {
+ duk_tval *tv1;
- duk_push_hobject(ctx, obj);
+ tv1 = DUK__REGP_BC(ins);
+ DUK_TVAL_SET_BOOLEAN_UPDREF(thr, tv1, 1); /* side effects */
+ break;
+ }
+ case DUK_OP_LDFALSE: {
+ duk_tval *tv1;
- while (count > 0) {
- /* duk_xdef_prop() will define an own property without any array
- * special behaviors. We'll need to set the array length explicitly
- * in the end. For arrays with elisions, the compiler will emit an
- * explicit SETALEN which will update the length.
- */
+ tv1 = DUK__REGP_BC(ins);
+ DUK_TVAL_SET_BOOLEAN_UPDREF(thr, tv1, 0); /* side effects */
+ break;
+ }
+#endif /* DUK_USE_EXEC_PREFER_SIZE */
- /* XXX: because we're dealing with 'own' properties of a fresh array,
- * the array initializer should just ensure that the array has a large
- * enough array part and write the values directly into array part,
- * and finally set 'length' manually in the end (as already happens now).
- */
+ case DUK_OP_BNOT: {
+ duk__vm_bitwise_not(thr, DUK_DEC_BC(ins), DUK_DEC_A(ins));
+ break;
+ }
- duk_push_tval(ctx, DUK__REGP(idx)); /* -> [... obj value] */
- duk_xdef_prop_index_wec(ctx, -2, arr_idx); /* -> [... obj] */
+ case DUK_OP_LNOT: {
+ duk__vm_logical_not(thr, DUK_DEC_BC(ins), DUK_DEC_A(ins));
+ break;
+ }
- /* XXX: could use at least one fewer loop counters */
- count--;
- idx++;
- arr_idx++;
- }
+#if defined(DUK_USE_EXEC_PREFER_SIZE)
+ case DUK_OP_UNM:
+ case DUK_OP_UNP: {
+ duk__vm_arith_unary_op(thr, DUK_DEC_BC(ins), DUK_DEC_A(ins), op);
+ break;
+ }
+#else /* DUK_USE_EXEC_PREFER_SIZE */
+ case DUK_OP_UNM: {
+ duk__vm_arith_unary_op(thr, DUK_DEC_BC(ins), DUK_DEC_A(ins), DUK_OP_UNM);
+ break;
+ }
+ case DUK_OP_UNP: {
+ duk__vm_arith_unary_op(thr, DUK_DEC_BC(ins), DUK_DEC_A(ins), DUK_OP_UNP);
+ break;
+ }
+#endif /* DUK_USE_EXEC_PREFER_SIZE */
- /* XXX: E5.1 Section 11.1.4 coerces the final length through
- * ToUint32() which is odd but happens now as a side effect of
- * 'arr_idx' type.
- */
- duk_hobject_set_length(thr, obj, (duk_uint32_t) arr_idx);
+#if defined(DUK_USE_EXEC_PREFER_SIZE)
+ case DUK_OP_TYPEOF: {
+ duk_small_uint_t stridx;
- duk_pop(ctx); /* [... obj] -> [...] */
+ stridx = duk_js_typeof_stridx(DUK__REGP_BC(ins));
+ DUK_ASSERT(stridx >= 0 && stridx < DUK_HEAP_NUM_STRINGS);
+ duk_push_hstring_stridx((duk_context *) thr, stridx);
+ DUK__REPLACE_TOP_A_BREAK();
+ }
+#else /* DUK_USE_EXEC_PREFER_SIZE */
+ case DUK_OP_TYPEOF: {
+ duk_tval *tv;
+ duk_small_uint_t stridx;
+ duk_hstring *h_str;
+
+ tv = DUK__REGP_BC(ins);
+ stridx = duk_js_typeof_stridx(tv);
+ DUK_ASSERT_STRIDX_VALID(stridx);
+ h_str = DUK_HTHREAD_GET_STRING(thr, stridx);
+ tv = DUK__REGP_A(ins);
+ DUK_TVAL_SET_STRING_UPDREF(thr, tv, h_str);
break;
}
+#endif /* DUK_USE_EXEC_PREFER_SIZE */
- case DUK_OP_NEW:
- case DUK_OP_NEWI: {
+ case DUK_OP_TYPEOFID: {
duk_context *ctx = (duk_context *) thr;
- duk_small_uint_fast_t c = DUK_DEC_C(ins);
- duk_uint_fast_t idx;
- duk_small_uint_fast_t i;
-
- /* A -> unused (reserved for flags, for consistency with DUK_OP_CALL)
- * B -> target register and start reg: constructor, arg1, ..., argN
- * (for DUK_OP_NEWI, 'b' is indirect)
- * C -> num args (N)
- */
-
- /* duk_new() will call the constuctor using duk_handle_call().
- * A constructor call prevents a yield from inside the constructor,
- * even if the constructor is an Ecmascript function.
- */
-
- /* Don't need to sync curr_pc here; duk_new() will do that
- * when it augments the created error.
- */
+ duk_small_uint_t stridx;
+#if !defined(DUK_USE_EXEC_PREFER_SIZE)
+ duk_hstring *h_str;
+#endif
+ duk_activation *act;
+ duk_hstring *name;
+ duk_tval *tv;
- /* XXX: unnecessary copying of values? Just set 'top' to
- * b + c, and let the return handling fix up the stack frame?
+ /* A -> target register
+ * BC -> constant index of identifier name
*/
- idx = (duk_uint_fast_t) DUK_DEC_B(ins);
- if (DUK_DEC_OP(ins) == DUK_OP_NEWI) {
- duk_tval *tv_ind = DUK__REGP(idx);
- DUK_ASSERT(DUK_TVAL_IS_NUMBER(tv_ind));
- idx = (duk_uint_fast_t) DUK_TVAL_GET_NUMBER(tv_ind);
+ tv = DUK__CONSTP_BC(ins);
+ DUK_ASSERT(DUK_TVAL_IS_STRING(tv));
+ name = DUK_TVAL_GET_STRING(tv);
+ tv = NULL; /* lookup has side effects */
+ act = thr->callstack + thr->callstack_top - 1;
+ if (duk_js_getvar_activation(thr, act, name, 0 /*throw*/)) {
+ /* -> [... val this] */
+ tv = DUK_GET_TVAL_NEGIDX(ctx, -2);
+ stridx = duk_js_typeof_stridx(tv);
+ tv = NULL; /* no longer needed */
+ duk_pop_2(ctx);
+ } else {
+ /* unresolvable, no stack changes */
+ stridx = DUK_STRIDX_LC_UNDEFINED;
+ }
+ DUK_ASSERT_STRIDX_VALID(stridx);
+#if defined(DUK_USE_EXEC_PREFER_SIZE)
+ duk_push_hstring_stridx(ctx, stridx);
+ DUK__REPLACE_TOP_A_BREAK();
+#else /* DUK_USE_EXEC_PREFER_SIZE */
+ h_str = DUK_HTHREAD_GET_STRING(thr, stridx);
+ tv = DUK__REGP_A(ins);
+ DUK_TVAL_SET_STRING_UPDREF(thr, tv, h_str);
+ break;
+#endif /* DUK_USE_EXEC_PREFER_SIZE */
+ }
+
+ /* Equality: E5 Sections 11.9.1, 11.9.3 */
+
+#define DUK__EQ_BODY(barg,carg) { \
+ duk_bool_t tmp; \
+ tmp = duk_js_equals(thr, (barg), (carg)); \
+ DUK_ASSERT(tmp == 0 || tmp == 1); \
+ DUK__REPLACE_BOOL_A_BREAK(tmp); \
+ }
+#define DUK__NEQ_BODY(barg,carg) { \
+ duk_bool_t tmp; \
+ tmp = duk_js_equals(thr, (barg), (carg)); \
+ DUK_ASSERT(tmp == 0 || tmp == 1); \
+ tmp ^= 1; \
+ DUK__REPLACE_BOOL_A_BREAK(tmp); \
+ }
+#define DUK__SEQ_BODY(barg,carg) { \
+ duk_bool_t tmp; \
+ tmp = duk_js_strict_equals((barg), (carg)); \
+ DUK_ASSERT(tmp == 0 || tmp == 1); \
+ DUK__REPLACE_BOOL_A_BREAK(tmp); \
+ }
+#define DUK__SNEQ_BODY(barg,carg) { \
+ duk_bool_t tmp; \
+ tmp = duk_js_strict_equals((barg), (carg)); \
+ DUK_ASSERT(tmp == 0 || tmp == 1); \
+ tmp ^= 1; \
+ DUK__REPLACE_BOOL_A_BREAK(tmp); \
+ }
+#if defined(DUK_USE_EXEC_PREFER_SIZE)
+ case DUK_OP_EQ_RR:
+ case DUK_OP_EQ_CR:
+ case DUK_OP_EQ_RC:
+ case DUK_OP_EQ_CC:
+ DUK__EQ_BODY(DUK__REGCONSTP_B(ins), DUK__REGCONSTP_C(ins));
+ case DUK_OP_NEQ_RR:
+ case DUK_OP_NEQ_CR:
+ case DUK_OP_NEQ_RC:
+ case DUK_OP_NEQ_CC:
+ DUK__NEQ_BODY(DUK__REGCONSTP_B(ins), DUK__REGCONSTP_C(ins));
+ case DUK_OP_SEQ_RR:
+ case DUK_OP_SEQ_CR:
+ case DUK_OP_SEQ_RC:
+ case DUK_OP_SEQ_CC:
+ DUK__SEQ_BODY(DUK__REGCONSTP_B(ins), DUK__REGCONSTP_C(ins));
+ case DUK_OP_SNEQ_RR:
+ case DUK_OP_SNEQ_CR:
+ case DUK_OP_SNEQ_RC:
+ case DUK_OP_SNEQ_CC:
+ DUK__SNEQ_BODY(DUK__REGCONSTP_B(ins), DUK__REGCONSTP_C(ins));
+#else /* DUK_USE_EXEC_PREFER_SIZE */
+ case DUK_OP_EQ_RR:
+ DUK__EQ_BODY(DUK__REGP_B(ins), DUK__REGP_C(ins));
+ case DUK_OP_EQ_CR:
+ DUK__EQ_BODY(DUK__CONSTP_B(ins), DUK__REGP_C(ins));
+ case DUK_OP_EQ_RC:
+ DUK__EQ_BODY(DUK__REGP_B(ins), DUK__CONSTP_C(ins));
+ case DUK_OP_EQ_CC:
+ DUK__EQ_BODY(DUK__CONSTP_B(ins), DUK__CONSTP_C(ins));
+ case DUK_OP_NEQ_RR:
+ DUK__NEQ_BODY(DUK__REGP_B(ins), DUK__REGP_C(ins));
+ case DUK_OP_NEQ_CR:
+ DUK__NEQ_BODY(DUK__CONSTP_B(ins), DUK__REGP_C(ins));
+ case DUK_OP_NEQ_RC:
+ DUK__NEQ_BODY(DUK__REGP_B(ins), DUK__CONSTP_C(ins));
+ case DUK_OP_NEQ_CC:
+ DUK__NEQ_BODY(DUK__CONSTP_B(ins), DUK__CONSTP_C(ins));
+ case DUK_OP_SEQ_RR:
+ DUK__SEQ_BODY(DUK__REGP_B(ins), DUK__REGP_C(ins));
+ case DUK_OP_SEQ_CR:
+ DUK__SEQ_BODY(DUK__CONSTP_B(ins), DUK__REGP_C(ins));
+ case DUK_OP_SEQ_RC:
+ DUK__SEQ_BODY(DUK__REGP_B(ins), DUK__CONSTP_C(ins));
+ case DUK_OP_SEQ_CC:
+ DUK__SEQ_BODY(DUK__CONSTP_B(ins), DUK__CONSTP_C(ins));
+ case DUK_OP_SNEQ_RR:
+ DUK__SNEQ_BODY(DUK__REGP_B(ins), DUK__REGP_C(ins));
+ case DUK_OP_SNEQ_CR:
+ DUK__SNEQ_BODY(DUK__CONSTP_B(ins), DUK__REGP_C(ins));
+ case DUK_OP_SNEQ_RC:
+ DUK__SNEQ_BODY(DUK__REGP_B(ins), DUK__CONSTP_C(ins));
+ case DUK_OP_SNEQ_CC:
+ DUK__SNEQ_BODY(DUK__CONSTP_B(ins), DUK__CONSTP_C(ins));
+#endif /* DUK_USE_EXEC_PREFER_SIZE */
+
+#define DUK__COMPARE_BODY(arg1,arg2,flags) { \
+ duk_bool_t tmp; \
+ tmp = duk_js_compare_helper(thr, (arg1), (arg2), (flags)); \
+ DUK_ASSERT(tmp == 0 || tmp == 1); \
+ DUK__REPLACE_BOOL_A_BREAK(tmp); \
+ }
+#define DUK__GT_BODY(barg,carg) DUK__COMPARE_BODY((carg), (barg), 0)
+#define DUK__GE_BODY(barg,carg) DUK__COMPARE_BODY((barg), (carg), DUK_COMPARE_FLAG_EVAL_LEFT_FIRST | DUK_COMPARE_FLAG_NEGATE)
+#define DUK__LT_BODY(barg,carg) DUK__COMPARE_BODY((barg), (carg), DUK_COMPARE_FLAG_EVAL_LEFT_FIRST)
+#define DUK__LE_BODY(barg,carg) DUK__COMPARE_BODY((carg), (barg), DUK_COMPARE_FLAG_NEGATE)
+#if defined(DUK_USE_EXEC_PREFER_SIZE)
+ case DUK_OP_GT_RR:
+ case DUK_OP_GT_CR:
+ case DUK_OP_GT_RC:
+ case DUK_OP_GT_CC:
+ DUK__GT_BODY(DUK__REGCONSTP_B(ins), DUK__REGCONSTP_C(ins));
+ case DUK_OP_GE_RR:
+ case DUK_OP_GE_CR:
+ case DUK_OP_GE_RC:
+ case DUK_OP_GE_CC:
+ DUK__GE_BODY(DUK__REGCONSTP_B(ins), DUK__REGCONSTP_C(ins));
+ case DUK_OP_LT_RR:
+ case DUK_OP_LT_CR:
+ case DUK_OP_LT_RC:
+ case DUK_OP_LT_CC:
+ DUK__LT_BODY(DUK__REGCONSTP_B(ins), DUK__REGCONSTP_C(ins));
+ case DUK_OP_LE_RR:
+ case DUK_OP_LE_CR:
+ case DUK_OP_LE_RC:
+ case DUK_OP_LE_CC:
+ DUK__LE_BODY(DUK__REGCONSTP_B(ins), DUK__REGCONSTP_C(ins));
+#else /* DUK_USE_EXEC_PREFER_SIZE */
+ case DUK_OP_GT_RR:
+ DUK__GT_BODY(DUK__REGP_B(ins), DUK__REGP_C(ins));
+ case DUK_OP_GT_CR:
+ DUK__GT_BODY(DUK__CONSTP_B(ins), DUK__REGP_C(ins));
+ case DUK_OP_GT_RC:
+ DUK__GT_BODY(DUK__REGP_B(ins), DUK__CONSTP_C(ins));
+ case DUK_OP_GT_CC:
+ DUK__GT_BODY(DUK__CONSTP_B(ins), DUK__CONSTP_C(ins));
+ case DUK_OP_GE_RR:
+ DUK__GE_BODY(DUK__REGP_B(ins), DUK__REGP_C(ins));
+ case DUK_OP_GE_CR:
+ DUK__GE_BODY(DUK__CONSTP_B(ins), DUK__REGP_C(ins));
+ case DUK_OP_GE_RC:
+ DUK__GE_BODY(DUK__REGP_B(ins), DUK__CONSTP_C(ins));
+ case DUK_OP_GE_CC:
+ DUK__GE_BODY(DUK__CONSTP_B(ins), DUK__CONSTP_C(ins));
+ case DUK_OP_LT_RR:
+ DUK__LT_BODY(DUK__REGP_B(ins), DUK__REGP_C(ins));
+ case DUK_OP_LT_CR:
+ DUK__LT_BODY(DUK__CONSTP_B(ins), DUK__REGP_C(ins));
+ case DUK_OP_LT_RC:
+ DUK__LT_BODY(DUK__REGP_B(ins), DUK__CONSTP_C(ins));
+ case DUK_OP_LT_CC:
+ DUK__LT_BODY(DUK__CONSTP_B(ins), DUK__CONSTP_C(ins));
+ case DUK_OP_LE_RR:
+ DUK__LE_BODY(DUK__REGP_B(ins), DUK__REGP_C(ins));
+ case DUK_OP_LE_CR:
+ DUK__LE_BODY(DUK__CONSTP_B(ins), DUK__REGP_C(ins));
+ case DUK_OP_LE_RC:
+ DUK__LE_BODY(DUK__REGP_B(ins), DUK__CONSTP_C(ins));
+ case DUK_OP_LE_CC:
+ DUK__LE_BODY(DUK__CONSTP_B(ins), DUK__CONSTP_C(ins));
+#endif /* DUK_USE_EXEC_PREFER_SIZE */
+
+ /* No size optimized variant at present for IF. */
+ case DUK_OP_IFTRUE_R: {
+ if (duk_js_toboolean(DUK__REGP_BC(ins)) != 0) {
+ curr_pc++;
}
-
-#if defined(DUK_USE_EXEC_INDIRECT_BOUND_CHECK)
- if (idx + c + 1 > (duk_uint_fast_t) duk_get_top(ctx)) {
- /* XXX: use duk_is_valid_index() instead? */
- /* XXX: improve check; check against nregs, not against top */
- DUK__INTERNAL_ERROR("NEW out of bounds");
+ break;
+ }
+ case DUK_OP_IFTRUE_C: {
+ if (duk_js_toboolean(DUK__CONSTP_BC(ins)) != 0) {
+ curr_pc++;
}
-#endif
-
- duk_require_stack(ctx, (duk_idx_t) c);
- duk_push_tval(ctx, DUK__REGP(idx));
- for (i = 0; i < c; i++) {
- duk_push_tval(ctx, DUK__REGP(idx + i + 1));
+ break;
+ }
+ case DUK_OP_IFFALSE_R: {
+ if (duk_js_toboolean(DUK__REGP_BC(ins)) == 0) {
+ curr_pc++;
+ }
+ break;
+ }
+ case DUK_OP_IFFALSE_C: {
+ if (duk_js_toboolean(DUK__CONSTP_BC(ins)) == 0) {
+ curr_pc++;
}
- duk_new(ctx, (duk_idx_t) c); /* [... constructor arg1 ... argN] -> [retval] */
- DUK_DDD(DUK_DDDPRINT("NEW -> %!iT", (duk_tval *) duk_get_tval(ctx, -1)));
- duk_replace(ctx, (duk_idx_t) idx);
-
- /* When debugger is enabled, we need to recheck the activation
- * status after returning. This is now handled by call handling
- * and heap->dbg_force_restart.
- */
break;
}
- case DUK_OP_REGEXP: {
-#ifdef DUK_USE_REGEXP_SUPPORT
- duk_context *ctx = (duk_context *) thr;
- duk_small_uint_fast_t a = DUK_DEC_A(ins);
- duk_small_uint_fast_t b = DUK_DEC_B(ins);
- duk_small_uint_fast_t c = DUK_DEC_C(ins);
-
- /* A -> target register
- * B -> bytecode (also contains flags)
- * C -> escaped source
- */
-
- duk_push_tval(ctx, DUK__REGCONSTP(c));
- duk_push_tval(ctx, DUK__REGCONSTP(b)); /* -> [ ... escaped_source bytecode ] */
- duk_regexp_create_instance(thr); /* -> [ ... regexp_instance ] */
- DUK_DDD(DUK_DDDPRINT("regexp instance: %!iT", (duk_tval *) duk_get_tval(ctx, -1)));
- duk_replace(ctx, (duk_idx_t) a);
-#else
- /* The compiler should never emit DUK_OP_REGEXP if there is no
- * regexp support.
- */
- DUK__INTERNAL_ERROR("no regexp support");
-#endif
-
+#if defined(DUK_USE_EXEC_PREFER_SIZE)
+ case DUK_OP_ADD_RR:
+ case DUK_OP_ADD_CR:
+ case DUK_OP_ADD_RC:
+ case DUK_OP_ADD_CC: {
+ /* XXX: could leave value on stack top and goto replace_top_a; */
+ duk__vm_arith_add(thr, DUK__REGCONSTP_B(ins), DUK__REGCONSTP_C(ins), DUK_DEC_A(ins));
+ break;
+ }
+#else /* DUK_USE_EXEC_PREFER_SIZE */
+ case DUK_OP_ADD_RR: {
+ duk__vm_arith_add(thr, DUK__REGP_B(ins), DUK__REGP_C(ins), DUK_DEC_A(ins));
+ break;
+ }
+ case DUK_OP_ADD_CR: {
+ duk__vm_arith_add(thr, DUK__CONSTP_B(ins), DUK__REGP_C(ins), DUK_DEC_A(ins));
+ break;
+ }
+ case DUK_OP_ADD_RC: {
+ duk__vm_arith_add(thr, DUK__REGP_B(ins), DUK__CONSTP_C(ins), DUK_DEC_A(ins));
break;
}
+ case DUK_OP_ADD_CC: {
+ duk__vm_arith_add(thr, DUK__CONSTP_B(ins), DUK__CONSTP_C(ins), DUK_DEC_A(ins));
+ break;
+ }
+#endif /* DUK_USE_EXEC_PREFER_SIZE */
+
+#if defined(DUK_USE_EXEC_PREFER_SIZE)
+ case DUK_OP_SUB_RR:
+ case DUK_OP_SUB_CR:
+ case DUK_OP_SUB_RC:
+ case DUK_OP_SUB_CC:
+ case DUK_OP_MUL_RR:
+ case DUK_OP_MUL_CR:
+ case DUK_OP_MUL_RC:
+ case DUK_OP_MUL_CC:
+ case DUK_OP_DIV_RR:
+ case DUK_OP_DIV_CR:
+ case DUK_OP_DIV_RC:
+ case DUK_OP_DIV_CC:
+ case DUK_OP_MOD_RR:
+ case DUK_OP_MOD_CR:
+ case DUK_OP_MOD_RC:
+ case DUK_OP_MOD_CC:
+#if defined(DUK_USE_ES7_EXP_OPERATOR)
+ case DUK_OP_EXP_RR:
+ case DUK_OP_EXP_CR:
+ case DUK_OP_EXP_RC:
+ case DUK_OP_EXP_CC:
+#endif /* DUK_USE_ES7_EXP_OPERATOR */
+ {
+ /* XXX: could leave value on stack top and goto replace_top_a; */
+ duk__vm_arith_binary_op(thr, DUK__REGCONSTP_B(ins), DUK__REGCONSTP_C(ins), DUK_DEC_A(ins), op);
+ break;
+ }
+#else /* DUK_USE_EXEC_PREFER_SIZE */
+ case DUK_OP_SUB_RR: {
+ duk__vm_arith_binary_op(thr, DUK__REGP_B(ins), DUK__REGP_C(ins), DUK_DEC_A(ins), DUK_OP_SUB);
+ break;
+ }
+ case DUK_OP_SUB_CR: {
+ duk__vm_arith_binary_op(thr, DUK__CONSTP_B(ins), DUK__REGP_C(ins), DUK_DEC_A(ins), DUK_OP_SUB);
+ break;
+ }
+ case DUK_OP_SUB_RC: {
+ duk__vm_arith_binary_op(thr, DUK__REGP_B(ins), DUK__CONSTP_C(ins), DUK_DEC_A(ins), DUK_OP_SUB);
+ break;
+ }
+ case DUK_OP_SUB_CC: {
+ duk__vm_arith_binary_op(thr, DUK__CONSTP_B(ins), DUK__CONSTP_C(ins), DUK_DEC_A(ins), DUK_OP_SUB);
+ break;
+ }
+ case DUK_OP_MUL_RR: {
+ duk__vm_arith_binary_op(thr, DUK__REGP_B(ins), DUK__REGP_C(ins), DUK_DEC_A(ins), DUK_OP_MUL);
+ break;
+ }
+ case DUK_OP_MUL_CR: {
+ duk__vm_arith_binary_op(thr, DUK__CONSTP_B(ins), DUK__REGP_C(ins), DUK_DEC_A(ins), DUK_OP_MUL);
+ break;
+ }
+ case DUK_OP_MUL_RC: {
+ duk__vm_arith_binary_op(thr, DUK__REGP_B(ins), DUK__CONSTP_C(ins), DUK_DEC_A(ins), DUK_OP_MUL);
+ break;
+ }
+ case DUK_OP_MUL_CC: {
+ duk__vm_arith_binary_op(thr, DUK__CONSTP_B(ins), DUK__CONSTP_C(ins), DUK_DEC_A(ins), DUK_OP_MUL);
+ break;
+ }
+ case DUK_OP_DIV_RR: {
+ duk__vm_arith_binary_op(thr, DUK__REGP_B(ins), DUK__REGP_C(ins), DUK_DEC_A(ins), DUK_OP_DIV);
+ break;
+ }
+ case DUK_OP_DIV_CR: {
+ duk__vm_arith_binary_op(thr, DUK__CONSTP_B(ins), DUK__REGP_C(ins), DUK_DEC_A(ins), DUK_OP_DIV);
+ break;
+ }
+ case DUK_OP_DIV_RC: {
+ duk__vm_arith_binary_op(thr, DUK__REGP_B(ins), DUK__CONSTP_C(ins), DUK_DEC_A(ins), DUK_OP_DIV);
+ break;
+ }
+ case DUK_OP_DIV_CC: {
+ duk__vm_arith_binary_op(thr, DUK__CONSTP_B(ins), DUK__CONSTP_C(ins), DUK_DEC_A(ins), DUK_OP_DIV);
+ break;
+ }
+ case DUK_OP_MOD_RR: {
+ duk__vm_arith_binary_op(thr, DUK__REGP_B(ins), DUK__REGP_C(ins), DUK_DEC_A(ins), DUK_OP_MOD);
+ break;
+ }
+ case DUK_OP_MOD_CR: {
+ duk__vm_arith_binary_op(thr, DUK__CONSTP_B(ins), DUK__REGP_C(ins), DUK_DEC_A(ins), DUK_OP_MOD);
+ break;
+ }
+ case DUK_OP_MOD_RC: {
+ duk__vm_arith_binary_op(thr, DUK__REGP_B(ins), DUK__CONSTP_C(ins), DUK_DEC_A(ins), DUK_OP_MOD);
+ break;
+ }
+ case DUK_OP_MOD_CC: {
+ duk__vm_arith_binary_op(thr, DUK__CONSTP_B(ins), DUK__CONSTP_C(ins), DUK_DEC_A(ins), DUK_OP_MOD);
+ break;
+ }
+#if defined(DUK_USE_ES7_EXP_OPERATOR)
+ case DUK_OP_EXP_RR: {
+ duk__vm_arith_binary_op(thr, DUK__REGP_B(ins), DUK__REGP_C(ins), DUK_DEC_A(ins), DUK_OP_EXP);
+ break;
+ }
+ case DUK_OP_EXP_CR: {
+ duk__vm_arith_binary_op(thr, DUK__CONSTP_B(ins), DUK__REGP_C(ins), DUK_DEC_A(ins), DUK_OP_EXP);
+ break;
+ }
+ case DUK_OP_EXP_RC: {
+ duk__vm_arith_binary_op(thr, DUK__REGP_B(ins), DUK__CONSTP_C(ins), DUK_DEC_A(ins), DUK_OP_EXP);
+ break;
+ }
+ case DUK_OP_EXP_CC: {
+ duk__vm_arith_binary_op(thr, DUK__CONSTP_B(ins), DUK__CONSTP_C(ins), DUK_DEC_A(ins), DUK_OP_EXP);
+ break;
+ }
+#endif /* DUK_USE_ES7_EXP_OPERATOR */
+#endif /* DUK_USE_EXEC_PREFER_SIZE */
+
+#if defined(DUK_USE_EXEC_PREFER_SIZE)
+ case DUK_OP_BAND_RR:
+ case DUK_OP_BAND_CR:
+ case DUK_OP_BAND_RC:
+ case DUK_OP_BAND_CC:
+ case DUK_OP_BOR_RR:
+ case DUK_OP_BOR_CR:
+ case DUK_OP_BOR_RC:
+ case DUK_OP_BOR_CC:
+ case DUK_OP_BXOR_RR:
+ case DUK_OP_BXOR_CR:
+ case DUK_OP_BXOR_RC:
+ case DUK_OP_BXOR_CC:
+ case DUK_OP_BASL_RR:
+ case DUK_OP_BASL_CR:
+ case DUK_OP_BASL_RC:
+ case DUK_OP_BASL_CC:
+ case DUK_OP_BLSR_RR:
+ case DUK_OP_BLSR_CR:
+ case DUK_OP_BLSR_RC:
+ case DUK_OP_BLSR_CC:
+ case DUK_OP_BASR_RR:
+ case DUK_OP_BASR_CR:
+ case DUK_OP_BASR_RC:
+ case DUK_OP_BASR_CC: {
+ /* XXX: could leave value on stack top and goto replace_top_a; */
+ duk__vm_bitwise_binary_op(thr, DUK__REGCONSTP_B(ins), DUK__REGCONSTP_C(ins), DUK_DEC_A(ins), op);
+ break;
+ }
+#else /* DUK_USE_EXEC_PREFER_SIZE */
+ case DUK_OP_BAND_RR: {
+ duk__vm_bitwise_binary_op(thr, DUK__REGP_B(ins), DUK__REGP_C(ins), DUK_DEC_A(ins), DUK_OP_BAND);
+ break;
+ }
+ case DUK_OP_BAND_CR: {
+ duk__vm_bitwise_binary_op(thr, DUK__CONSTP_B(ins), DUK__REGP_C(ins), DUK_DEC_A(ins), DUK_OP_BAND);
+ break;
+ }
+ case DUK_OP_BAND_RC: {
+ duk__vm_bitwise_binary_op(thr, DUK__REGP_B(ins), DUK__CONSTP_C(ins), DUK_DEC_A(ins), DUK_OP_BAND);
+ break;
+ }
+ case DUK_OP_BAND_CC: {
+ duk__vm_bitwise_binary_op(thr, DUK__CONSTP_B(ins), DUK__CONSTP_C(ins), DUK_DEC_A(ins), DUK_OP_BAND);
+ break;
+ }
+ case DUK_OP_BOR_RR: {
+ duk__vm_bitwise_binary_op(thr, DUK__REGP_B(ins), DUK__REGP_C(ins), DUK_DEC_A(ins), DUK_OP_BOR);
+ break;
+ }
+ case DUK_OP_BOR_CR: {
+ duk__vm_bitwise_binary_op(thr, DUK__CONSTP_B(ins), DUK__REGP_C(ins), DUK_DEC_A(ins), DUK_OP_BOR);
+ break;
+ }
+ case DUK_OP_BOR_RC: {
+ duk__vm_bitwise_binary_op(thr, DUK__REGP_B(ins), DUK__CONSTP_C(ins), DUK_DEC_A(ins), DUK_OP_BOR);
+ break;
+ }
+ case DUK_OP_BOR_CC: {
+ duk__vm_bitwise_binary_op(thr, DUK__CONSTP_B(ins), DUK__CONSTP_C(ins), DUK_DEC_A(ins), DUK_OP_BOR);
+ break;
+ }
+ case DUK_OP_BXOR_RR: {
+ duk__vm_bitwise_binary_op(thr, DUK__REGP_B(ins), DUK__REGP_C(ins), DUK_DEC_A(ins), DUK_OP_BXOR);
+ break;
+ }
+ case DUK_OP_BXOR_CR: {
+ duk__vm_bitwise_binary_op(thr, DUK__CONSTP_B(ins), DUK__REGP_C(ins), DUK_DEC_A(ins), DUK_OP_BXOR);
+ break;
+ }
+ case DUK_OP_BXOR_RC: {
+ duk__vm_bitwise_binary_op(thr, DUK__REGP_B(ins), DUK__CONSTP_C(ins), DUK_DEC_A(ins), DUK_OP_BXOR);
+ break;
+ }
+ case DUK_OP_BXOR_CC: {
+ duk__vm_bitwise_binary_op(thr, DUK__CONSTP_B(ins), DUK__CONSTP_C(ins), DUK_DEC_A(ins), DUK_OP_BXOR);
+ break;
+ }
+ case DUK_OP_BASL_RR: {
+ duk__vm_bitwise_binary_op(thr, DUK__REGP_B(ins), DUK__REGP_C(ins), DUK_DEC_A(ins), DUK_OP_BASL);
+ break;
+ }
+ case DUK_OP_BASL_CR: {
+ duk__vm_bitwise_binary_op(thr, DUK__CONSTP_B(ins), DUK__REGP_C(ins), DUK_DEC_A(ins), DUK_OP_BASL);
+ break;
+ }
+ case DUK_OP_BASL_RC: {
+ duk__vm_bitwise_binary_op(thr, DUK__REGP_B(ins), DUK__CONSTP_C(ins), DUK_DEC_A(ins), DUK_OP_BASL);
+ break;
+ }
+ case DUK_OP_BASL_CC: {
+ duk__vm_bitwise_binary_op(thr, DUK__CONSTP_B(ins), DUK__CONSTP_C(ins), DUK_DEC_A(ins), DUK_OP_BASL);
+ break;
+ }
+ case DUK_OP_BLSR_RR: {
+ duk__vm_bitwise_binary_op(thr, DUK__REGP_B(ins), DUK__REGP_C(ins), DUK_DEC_A(ins), DUK_OP_BLSR);
+ break;
+ }
+ case DUK_OP_BLSR_CR: {
+ duk__vm_bitwise_binary_op(thr, DUK__CONSTP_B(ins), DUK__REGP_C(ins), DUK_DEC_A(ins), DUK_OP_BLSR);
+ break;
+ }
+ case DUK_OP_BLSR_RC: {
+ duk__vm_bitwise_binary_op(thr, DUK__REGP_B(ins), DUK__CONSTP_C(ins), DUK_DEC_A(ins), DUK_OP_BLSR);
+ break;
+ }
+ case DUK_OP_BLSR_CC: {
+ duk__vm_bitwise_binary_op(thr, DUK__CONSTP_B(ins), DUK__CONSTP_C(ins), DUK_DEC_A(ins), DUK_OP_BLSR);
+ break;
+ }
+ case DUK_OP_BASR_RR: {
+ duk__vm_bitwise_binary_op(thr, DUK__REGP_B(ins), DUK__REGP_C(ins), DUK_DEC_A(ins), DUK_OP_BASR);
+ break;
+ }
+ case DUK_OP_BASR_CR: {
+ duk__vm_bitwise_binary_op(thr, DUK__CONSTP_B(ins), DUK__REGP_C(ins), DUK_DEC_A(ins), DUK_OP_BASR);
+ break;
+ }
+ case DUK_OP_BASR_RC: {
+ duk__vm_bitwise_binary_op(thr, DUK__REGP_B(ins), DUK__CONSTP_C(ins), DUK_DEC_A(ins), DUK_OP_BASR);
+ break;
+ }
+ case DUK_OP_BASR_CC: {
+ duk__vm_bitwise_binary_op(thr, DUK__CONSTP_B(ins), DUK__CONSTP_C(ins), DUK_DEC_A(ins), DUK_OP_BASR);
+ break;
+ }
+#endif /* DUK_USE_EXEC_PREFER_SIZE */
+
+ /* For INSTOF and IN, B is always a register. */
+#define DUK__INSTOF_BODY(barg,carg) { \
+ duk_bool_t tmp; \
+ tmp = duk_js_instanceof(thr, (barg), (carg)); \
+ DUK_ASSERT(tmp == 0 || tmp == 1); \
+ DUK__REPLACE_BOOL_A_BREAK(tmp); \
+ }
+#define DUK__IN_BODY(barg,carg) { \
+ duk_bool_t tmp; \
+ tmp = duk_js_in(thr, (barg), (carg)); \
+ DUK_ASSERT(tmp == 0 || tmp == 1); \
+ DUK__REPLACE_BOOL_A_BREAK(tmp); \
+ }
+#if defined(DUK_USE_EXEC_PREFER_SIZE)
+ case DUK_OP_INSTOF_RR:
+ case DUK_OP_INSTOF_CR:
+ case DUK_OP_INSTOF_RC:
+ case DUK_OP_INSTOF_CC:
+ DUK__INSTOF_BODY(DUK__REGCONSTP_B(ins), DUK__REGCONSTP_C(ins));
+ case DUK_OP_IN_RR:
+ case DUK_OP_IN_CR:
+ case DUK_OP_IN_RC:
+ case DUK_OP_IN_CC:
+ DUK__IN_BODY(DUK__REGCONSTP_B(ins), DUK__REGCONSTP_C(ins));
+#else /* DUK_USE_EXEC_PREFER_SIZE */
+ case DUK_OP_INSTOF_RR:
+ DUK__INSTOF_BODY(DUK__REGP_B(ins), DUK__REGP_C(ins));
+ case DUK_OP_INSTOF_CR:
+ DUK__INSTOF_BODY(DUK__CONSTP_B(ins), DUK__REGP_C(ins));
+ case DUK_OP_INSTOF_RC:
+ DUK__INSTOF_BODY(DUK__REGP_B(ins), DUK__CONSTP_C(ins));
+ case DUK_OP_INSTOF_CC:
+ DUK__INSTOF_BODY(DUK__CONSTP_B(ins), DUK__CONSTP_C(ins));
+ case DUK_OP_IN_RR:
+ DUK__IN_BODY(DUK__REGP_B(ins), DUK__REGP_C(ins));
+ case DUK_OP_IN_CR:
+ DUK__IN_BODY(DUK__CONSTP_B(ins), DUK__REGP_C(ins));
+ case DUK_OP_IN_RC:
+ DUK__IN_BODY(DUK__REGP_B(ins), DUK__CONSTP_C(ins));
+ case DUK_OP_IN_CC:
+ DUK__IN_BODY(DUK__CONSTP_B(ins), DUK__CONSTP_C(ins));
+#endif /* DUK_USE_EXEC_PREFER_SIZE */
- case DUK_OP_CSREG:
- case DUK_OP_CSREGI: {
- /*
- * Assuming a register binds to a variable declared within this
- * function (a declarative binding), the 'this' for the call
- * setup is always 'undefined'. E5 Section 10.2.1.1.6.
- */
+ /* Pre/post inc/dec for register variables, important for loops. */
+#if defined(DUK_USE_EXEC_PREFER_SIZE)
+ case DUK_OP_PREINCR:
+ case DUK_OP_PREDECR:
+ case DUK_OP_POSTINCR:
+ case DUK_OP_POSTDECR: {
+ duk__prepost_incdec_reg_helper(thr, DUK__REGP_A(ins), DUK__REGP_BC(ins), op);
+ break;
+ }
+ case DUK_OP_PREINCV:
+ case DUK_OP_PREDECV:
+ case DUK_OP_POSTINCV:
+ case DUK_OP_POSTDECV: {
+ duk__prepost_incdec_var_helper(thr, DUK_DEC_A(ins), DUK__CONSTP_BC(ins), op, DUK__STRICT());
+ break;
+ }
+#else /* DUK_USE_EXEC_PREFER_SIZE */
+ case DUK_OP_PREINCR: {
+ duk__prepost_incdec_reg_helper(thr, DUK__REGP_A(ins), DUK__REGP_BC(ins), DUK_OP_PREINCR);
+ break;
+ }
+ case DUK_OP_PREDECR: {
+ duk__prepost_incdec_reg_helper(thr, DUK__REGP_A(ins), DUK__REGP_BC(ins), DUK_OP_PREDECR);
+ break;
+ }
+ case DUK_OP_POSTINCR: {
+ duk__prepost_incdec_reg_helper(thr, DUK__REGP_A(ins), DUK__REGP_BC(ins), DUK_OP_POSTINCR);
+ break;
+ }
+ case DUK_OP_POSTDECR: {
+ duk__prepost_incdec_reg_helper(thr, DUK__REGP_A(ins), DUK__REGP_BC(ins), DUK_OP_POSTDECR);
+ break;
+ }
+ case DUK_OP_PREINCV: {
+ duk__prepost_incdec_var_helper(thr, DUK_DEC_A(ins), DUK__CONSTP_BC(ins), DUK_OP_PREINCV, DUK__STRICT());
+ break;
+ }
+ case DUK_OP_PREDECV: {
+ duk__prepost_incdec_var_helper(thr, DUK_DEC_A(ins), DUK__CONSTP_BC(ins), DUK_OP_PREDECV, DUK__STRICT());
+ break;
+ }
+ case DUK_OP_POSTINCV: {
+ duk__prepost_incdec_var_helper(thr, DUK_DEC_A(ins), DUK__CONSTP_BC(ins), DUK_OP_POSTINCV, DUK__STRICT());
+ break;
+ }
+ case DUK_OP_POSTDECV: {
+ duk__prepost_incdec_var_helper(thr, DUK_DEC_A(ins), DUK__CONSTP_BC(ins), DUK_OP_POSTDECV, DUK__STRICT());
+ break;
+ }
+#endif /* DUK_USE_EXEC_PREFER_SIZE */
+ /* XXX: Move to separate helper, optimize for perf/size separately. */
+ /* Preinc/predec for object properties. */
+ case DUK_OP_PREINCP_RR:
+ case DUK_OP_PREINCP_CR:
+ case DUK_OP_PREINCP_RC:
+ case DUK_OP_PREINCP_CC:
+ case DUK_OP_PREDECP_RR:
+ case DUK_OP_PREDECP_CR:
+ case DUK_OP_PREDECP_RC:
+ case DUK_OP_PREDECP_CC:
+ case DUK_OP_POSTINCP_RR:
+ case DUK_OP_POSTINCP_CR:
+ case DUK_OP_POSTINCP_RC:
+ case DUK_OP_POSTINCP_CC:
+ case DUK_OP_POSTDECP_RR:
+ case DUK_OP_POSTDECP_CR:
+ case DUK_OP_POSTDECP_RC:
+ case DUK_OP_POSTDECP_CC: {
duk_context *ctx = (duk_context *) thr;
- duk_small_uint_fast_t b = DUK_DEC_B(ins); /* restricted to regs */
- duk_uint_fast_t idx;
+ duk_tval *tv_obj;
+ duk_tval *tv_key;
+ duk_tval *tv_val;
+ duk_bool_t rc;
+ duk_double_t x, y, z;
+#if !defined(DUK_USE_EXEC_PREFER_SIZE)
+ duk_tval *tv_dst;
+#endif /* DUK_USE_EXEC_PREFER_SIZE */
- /* A -> target register (A, A+1) for call setup
- * (for DUK_OP_CSREGI, 'a' is indirect)
- * B -> register containing target function (not type checked here)
+ /* A -> target reg
+ * B -> object reg/const (may be const e.g. in "'foo'[1]")
+ * C -> key reg/const
*/
- /* XXX: direct manipulation, or duk_replace_tval() */
-
- /* Note: target registers a and a+1 may overlap with DUK__REGP(b).
- * Careful here.
+ /* Opcode bits 0-1 are used to distinguish reg/const variants.
+ * Opcode bits 2-3 are used to distinguish inc/dec variants:
+ * Bit 2 = inc(0)/dec(1), bit 3 = pre(0)/post(1).
*/
+ DUK_ASSERT((DUK_OP_PREINCP_RR & 0x0c) == 0x00);
+ DUK_ASSERT((DUK_OP_PREDECP_RR & 0x0c) == 0x04);
+ DUK_ASSERT((DUK_OP_POSTINCP_RR & 0x0c) == 0x08);
+ DUK_ASSERT((DUK_OP_POSTDECP_RR & 0x0c) == 0x0c);
- idx = (duk_uint_fast_t) DUK_DEC_A(ins);
- if (DUK_DEC_OP(ins) == DUK_OP_CSREGI) {
- duk_tval *tv_ind = DUK__REGP(idx);
- DUK_ASSERT(DUK_TVAL_IS_NUMBER(tv_ind));
- idx = (duk_uint_fast_t) DUK_TVAL_GET_NUMBER(tv_ind);
- }
-
-#if defined(DUK_USE_EXEC_INDIRECT_BOUND_CHECK)
- if (idx + 2 > (duk_uint_fast_t) duk_get_top(ctx)) {
- /* XXX: use duk_is_valid_index() instead? */
- /* XXX: improve check; check against nregs, not against top */
- DUK__INTERNAL_ERROR("CSREG out of bounds");
- }
-#endif
+ tv_obj = DUK__REGCONSTP_B(ins);
+ tv_key = DUK__REGCONSTP_C(ins);
+ rc = duk_hobject_getprop(thr, tv_obj, tv_key); /* -> [val] */
+ DUK_UNREF(rc); /* ignore */
+ tv_obj = NULL; /* invalidated */
+ tv_key = NULL; /* invalidated */
- duk_push_tval(ctx, DUK__REGP(b));
- duk_replace(ctx, (duk_idx_t) idx);
- duk_push_undefined(ctx);
- duk_replace(ctx, (duk_idx_t) (idx + 1));
- break;
- }
+ /* XXX: Fastint fast path would be useful here. Also fastints
+ * now lose their fastint status in current handling which is
+ * not intuitive.
+ */
- case DUK_OP_GETVAR: {
- duk_context *ctx = (duk_context *) thr;
- duk_activation *act;
- duk_small_uint_fast_t a = DUK_DEC_A(ins);
- duk_uint_fast_t bc = DUK_DEC_BC(ins);
- duk_tval *tv1;
- duk_hstring *name;
+ x = duk_to_number_m1(ctx);
+ duk_pop(ctx);
+ if (ins & DUK_BC_INCDECP_FLAG_DEC) {
+ y = x - 1.0;
+ } else {
+ y = x + 1.0;
+ }
- tv1 = DUK__CONSTP(bc);
- DUK_ASSERT(DUK_TVAL_IS_STRING(tv1));
- name = DUK_TVAL_GET_STRING(tv1);
- DUK_ASSERT(name != NULL);
- DUK_DDD(DUK_DDDPRINT("GETVAR: '%!O'", (duk_heaphdr *) name));
- act = thr->callstack + thr->callstack_top - 1;
- (void) duk_js_getvar_activation(thr, act, name, 1 /*throw*/); /* -> [... val this] */
+ duk_push_number(ctx, y);
+ tv_val = DUK_GET_TVAL_NEGIDX(ctx, -1);
+ DUK_ASSERT(tv_val != NULL);
+ tv_obj = DUK__REGCONSTP_B(ins);
+ tv_key = DUK__REGCONSTP_C(ins);
+ rc = duk_hobject_putprop(thr, tv_obj, tv_key, tv_val, DUK__STRICT());
+ DUK_UNREF(rc); /* ignore */
+ tv_obj = NULL; /* invalidated */
+ tv_key = NULL; /* invalidated */
+ duk_pop(ctx);
- duk_pop(ctx); /* 'this' binding is not needed here */
- duk_replace(ctx, (duk_idx_t) a);
+ z = (ins & DUK_BC_INCDECP_FLAG_POST) ? x : y;
+#if defined(DUK_USE_EXEC_PREFER_SIZE)
+ duk_push_number(ctx, z);
+ DUK__REPLACE_TOP_A_BREAK();
+#else
+ tv_dst = DUK__REGP_A(ins);
+ DUK_TVAL_SET_NUMBER_UPDREF(thr, tv_dst, z);
break;
+#endif
}
- case DUK_OP_PUTVAR: {
- duk_activation *act;
- duk_small_uint_fast_t a = DUK_DEC_A(ins);
- duk_uint_fast_t bc = DUK_DEC_BC(ins);
- duk_tval *tv1;
- duk_hstring *name;
-
- tv1 = DUK__CONSTP(bc);
- DUK_ASSERT(DUK_TVAL_IS_STRING(tv1));
- name = DUK_TVAL_GET_STRING(tv1);
- DUK_ASSERT(name != NULL);
-
- /* XXX: putvar takes a duk_tval pointer, which is awkward and
- * should be reworked.
- */
-
- tv1 = DUK__REGP(a); /* val */
- act = thr->callstack + thr->callstack_top - 1;
- duk_js_putvar_activation(thr, act, name, tv1, DUK__STRICT());
- break;
- }
+ /* XXX: GETPROP where object is 'this', GETPROPT?
+ * Occurs relatively often in object oriented code.
+ */
- case DUK_OP_DECLVAR: {
+#define DUK__GETPROP_BODY(barg,carg) { \
+ /* A -> target reg \
+ * B -> object reg/const (may be const e.g. in "'foo'[1]") \
+ * C -> key reg/const \
+ */ \
+ (void) duk_hobject_getprop(thr, (barg), (carg)); \
+ DUK__REPLACE_TOP_A_BREAK(); \
+ }
+#define DUK__PUTPROP_BODY(aarg,barg,carg) { \
+ /* A -> object reg \
+ * B -> key reg/const \
+ * C -> value reg/const \
+ * \
+ * Note: intentional difference to register arrangement \
+ * of e.g. GETPROP; 'A' must contain a register-only value. \
+ */ \
+ (void) duk_hobject_putprop(thr, (aarg), (barg), (carg), DUK__STRICT()); \
+ break; \
+ }
+#define DUK__DELPROP_BODY(barg,carg) { \
+ /* A -> result reg \
+ * B -> object reg \
+ * C -> key reg/const \
+ */ \
+ duk_bool_t rc; \
+ rc = duk_hobject_delprop(thr, (barg), (carg), DUK__STRICT()); \
+ DUK_ASSERT(rc == 0 || rc == 1); \
+ DUK__REPLACE_BOOL_A_BREAK(rc); \
+ }
+#if defined(DUK_USE_EXEC_PREFER_SIZE)
+ case DUK_OP_GETPROP_RR:
+ case DUK_OP_GETPROP_CR:
+ case DUK_OP_GETPROP_RC:
+ case DUK_OP_GETPROP_CC:
+ DUK__GETPROP_BODY(DUK__REGCONSTP_B(ins), DUK__REGCONSTP_C(ins));
+ case DUK_OP_PUTPROP_RR:
+ case DUK_OP_PUTPROP_CR:
+ case DUK_OP_PUTPROP_RC:
+ case DUK_OP_PUTPROP_CC:
+ DUK__PUTPROP_BODY(DUK__REGP_A(ins), DUK__REGCONSTP_B(ins), DUK__REGCONSTP_C(ins));
+ case DUK_OP_DELPROP_RR:
+ case DUK_OP_DELPROP_RC: /* B is always reg */
+ DUK__DELPROP_BODY(DUK__REGP_B(ins), DUK__REGCONSTP_C(ins));
+#else /* DUK_USE_EXEC_PREFER_SIZE */
+ case DUK_OP_GETPROP_RR:
+ DUK__GETPROP_BODY(DUK__REGP_B(ins), DUK__REGP_C(ins));
+ case DUK_OP_GETPROP_CR:
+ DUK__GETPROP_BODY(DUK__CONSTP_B(ins), DUK__REGP_C(ins));
+ case DUK_OP_GETPROP_RC:
+ DUK__GETPROP_BODY(DUK__REGP_B(ins), DUK__CONSTP_C(ins));
+ case DUK_OP_GETPROP_CC:
+ DUK__GETPROP_BODY(DUK__CONSTP_B(ins), DUK__CONSTP_C(ins));
+ case DUK_OP_PUTPROP_RR:
+ DUK__PUTPROP_BODY(DUK__REGP_A(ins), DUK__REGP_B(ins), DUK__REGP_C(ins));
+ case DUK_OP_PUTPROP_CR:
+ DUK__PUTPROP_BODY(DUK__REGP_A(ins), DUK__CONSTP_B(ins), DUK__REGP_C(ins));
+ case DUK_OP_PUTPROP_RC:
+ DUK__PUTPROP_BODY(DUK__REGP_A(ins), DUK__REGP_B(ins), DUK__CONSTP_C(ins));
+ case DUK_OP_PUTPROP_CC:
+ DUK__PUTPROP_BODY(DUK__REGP_A(ins), DUK__CONSTP_B(ins), DUK__CONSTP_C(ins));
+ case DUK_OP_DELPROP_RR: /* B is always reg */
+ DUK__DELPROP_BODY(DUK__REGP_B(ins), DUK__REGP_C(ins));
+ case DUK_OP_DELPROP_RC:
+ DUK__DELPROP_BODY(DUK__REGP_B(ins), DUK__CONSTP_C(ins));
+#endif /* DUK_USE_EXEC_PREFER_SIZE */
+
+ /* No fast path for DECLVAR now, it's quite a rare instruction. */
+ case DUK_OP_DECLVAR_RR:
+ case DUK_OP_DECLVAR_CR:
+ case DUK_OP_DECLVAR_RC:
+ case DUK_OP_DECLVAR_CC: {
duk_activation *act;
duk_context *ctx = (duk_context *) thr;
duk_small_uint_fast_t a = DUK_DEC_A(ins);
- duk_small_uint_fast_t b = DUK_DEC_B(ins);
- duk_small_uint_fast_t c = DUK_DEC_C(ins);
duk_tval *tv1;
duk_hstring *name;
duk_small_uint_t prop_flags;
duk_bool_t is_func_decl;
duk_bool_t is_undef_value;
- tv1 = DUK__REGCONSTP(b);
+ tv1 = DUK__REGCONSTP_B(ins);
DUK_ASSERT(DUK_TVAL_IS_STRING(tv1));
name = DUK_TVAL_GET_STRING(tv1);
DUK_ASSERT(name != NULL);
@@ -68189,100 +72209,92 @@ DUK_LOCAL DUK_NOINLINE void duk__js_execute_bytecode_inner(duk_hthread *entry_th
prop_flags = a & DUK_PROPDESC_FLAGS_MASK;
if (is_undef_value) {
- duk_push_undefined(ctx);
+ DUK_ASSERT(DUK_TVAL_IS_UNDEFINED(thr->valstack_top)); /* valstack policy */
+ thr->valstack_top++;
} else {
- duk_push_tval(ctx, DUK__REGCONSTP(c));
+ duk_push_tval(ctx, DUK__REGCONSTP_C(ins));
}
tv1 = DUK_GET_TVAL_NEGIDX(ctx, -1);
act = thr->callstack + thr->callstack_top - 1;
if (duk_js_declvar_activation(thr, act, name, tv1, prop_flags, is_func_decl)) {
- /* already declared, must update binding value */
- tv1 = DUK_GET_TVAL_NEGIDX(ctx, -1);
- duk_js_putvar_activation(thr, act, name, tv1, DUK__STRICT());
+ if (is_undef_value) {
+ /* Already declared but no initializer value
+ * (e.g. 'var xyz;'), no-op.
+ */
+ } else {
+ /* Already declared, update value. */
+ tv1 = DUK_GET_TVAL_NEGIDX(ctx, -1);
+ duk_js_putvar_activation(thr, act, name, tv1, DUK__STRICT());
+ }
}
duk_pop(ctx);
break;
}
- case DUK_OP_DELVAR: {
- duk_activation *act;
- duk_context *ctx = (duk_context *) thr;
- duk_small_uint_fast_t a = DUK_DEC_A(ins);
- duk_small_uint_fast_t b = DUK_DEC_B(ins);
- duk_tval *tv1;
- duk_hstring *name;
- duk_bool_t rc;
-
- tv1 = DUK__REGCONSTP(b);
- DUK_ASSERT(DUK_TVAL_IS_STRING(tv1));
- name = DUK_TVAL_GET_STRING(tv1);
- DUK_ASSERT(name != NULL);
- DUK_DDD(DUK_DDDPRINT("DELVAR '%!O'", (duk_heaphdr *) name));
- act = thr->callstack + thr->callstack_top - 1;
- rc = duk_js_delvar_activation(thr, act, name);
+#if defined(DUK_USE_REGEXP_SUPPORT)
+ /* The compiler should never emit DUK_OP_REGEXP if there is no
+ * regexp support.
+ */
+ case DUK_OP_REGEXP_RR:
+ case DUK_OP_REGEXP_CR:
+ case DUK_OP_REGEXP_RC:
+ case DUK_OP_REGEXP_CC: {
+ /* A -> target register
+ * B -> bytecode (also contains flags)
+ * C -> escaped source
+ */
- duk_push_boolean(ctx, rc);
- duk_replace(ctx, (duk_idx_t) a);
- break;
+ duk_push_tval((duk_context *) thr, DUK__REGCONSTP_C(ins));
+ duk_push_tval((duk_context *) thr, DUK__REGCONSTP_B(ins)); /* -> [ ... escaped_source bytecode ] */
+ duk_regexp_create_instance(thr); /* -> [ ... regexp_instance ] */
+ DUK__REPLACE_TOP_A_BREAK();
}
+#endif /* DUK_USE_REGEXP_SUPPORT */
- case DUK_OP_CSVAR:
- case DUK_OP_CSVARI: {
- /* 'this' value:
- * E5 Section 6.b.i
+ /* XXX: 'c' is unused, use whole BC, etc. */
+ case DUK_OP_CSVAR_RR:
+ case DUK_OP_CSVAR_CR:
+ case DUK_OP_CSVAR_RC:
+ case DUK_OP_CSVAR_CC: {
+ /* The speciality of calling through a variable binding is that the
+ * 'this' value may be provided by the variable lookup: E5 Section 6.b.i.
*
* The only (standard) case where the 'this' binding is non-null is when
* (1) the variable is found in an object environment record, and
* (2) that object environment record is a 'with' block.
- *
*/
duk_context *ctx = (duk_context *) thr;
duk_activation *act;
- duk_small_uint_fast_t b = DUK_DEC_B(ins);
duk_uint_fast_t idx;
duk_tval *tv1;
duk_hstring *name;
- tv1 = DUK__REGCONSTP(b);
+ /* A -> target registers (A, A + 1) for call setup
+ * B -> identifier name, usually constant but can be a register due to shuffling
+ */
+
+ tv1 = DUK__REGCONSTP_B(ins);
DUK_ASSERT(DUK_TVAL_IS_STRING(tv1));
name = DUK_TVAL_GET_STRING(tv1);
DUK_ASSERT(name != NULL);
act = thr->callstack + thr->callstack_top - 1;
(void) duk_js_getvar_activation(thr, act, name, 1 /*throw*/); /* -> [... val this] */
- /* Note: target registers a and a+1 may overlap with DUK__REGCONSTP(b)
- * and DUK__REGCONSTP(c). Careful here.
- */
-
idx = (duk_uint_fast_t) DUK_DEC_A(ins);
- if (DUK_DEC_OP(ins) == DUK_OP_CSVARI) {
- duk_tval *tv_ind = DUK__REGP(idx);
- DUK_ASSERT(DUK_TVAL_IS_NUMBER(tv_ind));
- idx = (duk_uint_fast_t) DUK_TVAL_GET_NUMBER(tv_ind);
- }
-
-#if defined(DUK_USE_EXEC_INDIRECT_BOUND_CHECK)
- if (idx + 2 > (duk_uint_fast_t) duk_get_top(ctx)) {
- /* XXX: use duk_is_valid_index() instead? */
- /* XXX: improve check; check against nregs, not against top */
- DUK__INTERNAL_ERROR("CSVAR out of bounds");
- }
-#endif
+ /* Could add direct value stack handling. */
duk_replace(ctx, (duk_idx_t) (idx + 1)); /* 'this' binding */
duk_replace(ctx, (duk_idx_t) idx); /* variable value (function, we hope, not checked here) */
break;
}
case DUK_OP_CLOSURE: {
- duk_context *ctx = (duk_context *) thr;
duk_activation *act;
- duk_hcompiledfunction *fun;
- duk_small_uint_fast_t a = DUK_DEC_A(ins);
- duk_uint_fast_t bc = DUK_DEC_BC(ins);
+ duk_hcompfunc *fun_act;
+ duk_small_uint_fast_t bc = DUK_DEC_BC(ins);
duk_hobject *fun_temp;
/* A -> target reg
@@ -68290,16 +72302,16 @@ DUK_LOCAL DUK_NOINLINE void duk__js_execute_bytecode_inner(duk_hthread *entry_th
*/
DUK_DDD(DUK_DDDPRINT("CLOSURE to target register %ld, fnum %ld (count %ld)",
- (long) a, (long) bc, (long) DUK_HCOMPILEDFUNCTION_GET_FUNCS_COUNT(thr->heap, DUK__FUN())));
+ (long) DUK_DEC_A(ins), (long) DUK_DEC_BC(ins), (long) DUK_HCOMPFUNC_GET_FUNCS_COUNT(thr->heap, DUK__FUN())));
DUK_ASSERT_DISABLE(bc >= 0); /* unsigned */
- DUK_ASSERT((duk_uint_t) bc < (duk_uint_t) DUK_HCOMPILEDFUNCTION_GET_FUNCS_COUNT(thr->heap, DUK__FUN()));
+ DUK_ASSERT((duk_uint_t) bc < (duk_uint_t) DUK_HCOMPFUNC_GET_FUNCS_COUNT(thr->heap, DUK__FUN()));
act = thr->callstack + thr->callstack_top - 1;
- fun = (duk_hcompiledfunction *) DUK_ACT_GET_FUNC(act);
- fun_temp = DUK_HCOMPILEDFUNCTION_GET_FUNCS_BASE(thr->heap, fun)[bc];
+ fun_act = (duk_hcompfunc *) DUK_ACT_GET_FUNC(act);
+ fun_temp = DUK_HCOMPFUNC_GET_FUNCS_BASE(thr->heap, fun_act)[bc];
DUK_ASSERT(fun_temp != NULL);
- DUK_ASSERT(DUK_HOBJECT_IS_COMPILEDFUNCTION(fun_temp));
+ DUK_ASSERT(DUK_HOBJECT_IS_COMPFUNC(fun_temp));
DUK_DDD(DUK_DDDPRINT("CLOSURE: function template is: %p -> %!O",
(void *) fun_temp, (duk_heaphdr *) fun_temp));
@@ -68307,6 +72319,7 @@ DUK_LOCAL DUK_NOINLINE void duk__js_execute_bytecode_inner(duk_hthread *entry_th
if (act->lex_env == NULL) {
DUK_ASSERT(act->var_env == NULL);
duk_js_init_activation_environment_records_delayed(thr, act);
+ act = thr->callstack + thr->callstack_top - 1;
}
DUK_ASSERT(act->lex_env != NULL);
DUK_ASSERT(act->var_env != NULL);
@@ -68316,558 +72329,218 @@ DUK_LOCAL DUK_NOINLINE void duk__js_execute_bytecode_inner(duk_hthread *entry_th
* matters here.
*/
duk_js_push_closure(thr,
- (duk_hcompiledfunction *) fun_temp,
+ (duk_hcompfunc *) fun_temp,
act->var_env,
act->lex_env,
1 /*add_auto_proto*/);
- duk_replace(ctx, (duk_idx_t) a);
-
- break;
+ DUK__REPLACE_TOP_A_BREAK();
}
- case DUK_OP_GETPROP: {
+ case DUK_OP_GETVAR: {
duk_context *ctx = (duk_context *) thr;
- duk_small_uint_fast_t a = DUK_DEC_A(ins);
- duk_small_uint_fast_t b = DUK_DEC_B(ins);
- duk_small_uint_fast_t c = DUK_DEC_C(ins);
- duk_tval *tv_obj;
- duk_tval *tv_key;
- duk_bool_t rc;
-
- /* A -> target reg
- * B -> object reg/const (may be const e.g. in "'foo'[1]")
- * C -> key reg/const
- */
-
- tv_obj = DUK__REGCONSTP(b);
- tv_key = DUK__REGCONSTP(c);
- DUK_DDD(DUK_DDDPRINT("GETPROP: a=%ld obj=%!T, key=%!T",
- (long) a,
- (duk_tval *) DUK__REGCONSTP(b),
- (duk_tval *) DUK__REGCONSTP(c)));
- rc = duk_hobject_getprop(thr, tv_obj, tv_key); /* -> [val] */
- DUK_UNREF(rc); /* ignore */
- DUK_DDD(DUK_DDDPRINT("GETPROP --> %!T",
- (duk_tval *) duk_get_tval(ctx, -1)));
- tv_obj = NULL; /* invalidated */
- tv_key = NULL; /* invalidated */
+ duk_activation *act;
+ duk_tval *tv1;
+ duk_hstring *name;
- duk_replace(ctx, (duk_idx_t) a); /* val */
- break;
+ tv1 = DUK__CONSTP_BC(ins);
+ DUK_ASSERT(DUK_TVAL_IS_STRING(tv1));
+ name = DUK_TVAL_GET_STRING(tv1);
+ DUK_ASSERT(name != NULL);
+ act = thr->callstack + thr->callstack_top - 1;
+ (void) duk_js_getvar_activation(thr, act, name, 1 /*throw*/); /* -> [... val this] */
+ duk_pop(ctx); /* 'this' binding is not needed here */
+ DUK__REPLACE_TOP_A_BREAK();
}
- case DUK_OP_PUTPROP: {
- duk_small_uint_fast_t a = DUK_DEC_A(ins);
- duk_small_uint_fast_t b = DUK_DEC_B(ins);
- duk_small_uint_fast_t c = DUK_DEC_C(ins);
- duk_tval *tv_obj;
- duk_tval *tv_key;
- duk_tval *tv_val;
- duk_bool_t rc;
-
- /* A -> object reg
- * B -> key reg/const
- * C -> value reg/const
- *
- * Note: intentional difference to register arrangement
- * of e.g. GETPROP; 'A' must contain a register-only value.
- */
-
- tv_obj = DUK__REGP(a);
- tv_key = DUK__REGCONSTP(b);
- tv_val = DUK__REGCONSTP(c);
- DUK_DDD(DUK_DDDPRINT("PUTPROP: obj=%!T, key=%!T, val=%!T",
- (duk_tval *) DUK__REGP(a),
- (duk_tval *) DUK__REGCONSTP(b),
- (duk_tval *) DUK__REGCONSTP(c)));
- rc = duk_hobject_putprop(thr, tv_obj, tv_key, tv_val, DUK__STRICT());
- DUK_UNREF(rc); /* ignore */
- DUK_DDD(DUK_DDDPRINT("PUTPROP --> obj=%!T, key=%!T, val=%!T",
- (duk_tval *) DUK__REGP(a),
- (duk_tval *) DUK__REGCONSTP(b),
- (duk_tval *) DUK__REGCONSTP(c)));
- tv_obj = NULL; /* invalidated */
- tv_key = NULL; /* invalidated */
- tv_val = NULL; /* invalidated */
-
- break;
- }
+ case DUK_OP_PUTVAR: {
+ duk_activation *act;
+ duk_tval *tv1;
+ duk_hstring *name;
- case DUK_OP_DELPROP: {
- duk_context *ctx = (duk_context *) thr;
- duk_small_uint_fast_t a = DUK_DEC_A(ins);
- duk_small_uint_fast_t b = DUK_DEC_B(ins);
- duk_small_uint_fast_t c = DUK_DEC_C(ins);
- duk_tval *tv_obj;
- duk_tval *tv_key;
- duk_bool_t rc;
+ tv1 = DUK__CONSTP_BC(ins);
+ DUK_ASSERT(DUK_TVAL_IS_STRING(tv1));
+ name = DUK_TVAL_GET_STRING(tv1);
+ DUK_ASSERT(name != NULL);
- /* A -> result reg
- * B -> object reg
- * C -> key reg/const
+ /* XXX: putvar takes a duk_tval pointer, which is awkward and
+ * should be reworked.
*/
- tv_obj = DUK__REGP(b);
- tv_key = DUK__REGCONSTP(c);
- rc = duk_hobject_delprop(thr, tv_obj, tv_key, DUK__STRICT());
- tv_obj = NULL; /* invalidated */
- tv_key = NULL; /* invalidated */
-
- duk_push_boolean(ctx, rc);
- duk_replace(ctx, (duk_idx_t) a); /* result */
+ tv1 = DUK__REGP_A(ins); /* val */
+ act = thr->callstack + thr->callstack_top - 1;
+ duk_js_putvar_activation(thr, act, name, tv1, DUK__STRICT());
break;
}
- case DUK_OP_CSPROP:
- case DUK_OP_CSPROPI: {
- duk_context *ctx = (duk_context *) thr;
- duk_small_uint_fast_t b = DUK_DEC_B(ins);
- duk_small_uint_fast_t c = DUK_DEC_C(ins);
- duk_uint_fast_t idx;
- duk_tval *tv_obj;
- duk_tval *tv_key;
+ case DUK_OP_DELVAR: {
+ duk_activation *act;
+ duk_tval *tv1;
+ duk_hstring *name;
duk_bool_t rc;
- /* E5 Section 11.2.3, step 6.a.i */
- /* E5 Section 10.4.3 */
-
- /* XXX: allow object to be a const, e.g. in 'foo'.toString()?
- * On the other hand, DUK_REGCONSTP() is slower and generates
- * more code.
- */
-
- tv_obj = DUK__REGP(b);
- tv_key = DUK__REGCONSTP(c);
- rc = duk_hobject_getprop(thr, tv_obj, tv_key); /* -> [val] */
- DUK_UNREF(rc); /* unused */
- tv_obj = NULL; /* invalidated */
- tv_key = NULL; /* invalidated */
+ tv1 = DUK__CONSTP_BC(ins);
+ DUK_ASSERT(DUK_TVAL_IS_STRING(tv1));
+ name = DUK_TVAL_GET_STRING(tv1);
+ DUK_ASSERT(name != NULL);
+ act = thr->callstack + thr->callstack_top - 1;
+ rc = duk_js_delvar_activation(thr, act, name);
+ DUK__REPLACE_BOOL_A_BREAK(rc);
+ }
- /* Note: target registers a and a+1 may overlap with DUK__REGP(b)
- * and DUK__REGCONSTP(c). Careful here.
+ case DUK_OP_JUMP: {
+ /* Note: without explicit cast to signed, MSVC will
+ * apparently generate a large positive jump when the
+ * bias-corrected value would normally be negative.
*/
-
- idx = (duk_uint_fast_t) DUK_DEC_A(ins);
- if (DUK_DEC_OP(ins) == DUK_OP_CSPROPI) {
- duk_tval *tv_ind = DUK__REGP(idx);
- DUK_ASSERT(DUK_TVAL_IS_NUMBER(tv_ind));
- idx = (duk_uint_fast_t) DUK_TVAL_GET_NUMBER(tv_ind);
- }
-
-#if defined(DUK_USE_EXEC_INDIRECT_BOUND_CHECK)
- if (idx + 2 > (duk_uint_fast_t) duk_get_top(ctx)) {
- /* XXX: use duk_is_valid_index() instead? */
- /* XXX: improve check; check against nregs, not against top */
- DUK__INTERNAL_ERROR("CSPROP out of bounds");
- }
-#endif
-
- duk_push_tval(ctx, DUK__REGP(b)); /* [ ... val obj ] */
- duk_replace(ctx, (duk_idx_t) (idx + 1)); /* 'this' binding */
- duk_replace(ctx, (duk_idx_t) idx); /* val */
+ curr_pc += (duk_int_fast_t) DUK_DEC_ABC(ins) - (duk_int_fast_t) DUK_BC_JUMP_BIAS;
break;
}
- case DUK_OP_ADD:
- case DUK_OP_SUB:
- case DUK_OP_MUL:
- case DUK_OP_DIV:
- case DUK_OP_MOD: {
- duk_small_uint_fast_t a = DUK_DEC_A(ins);
- duk_small_uint_fast_t b = DUK_DEC_B(ins);
- duk_small_uint_fast_t c = DUK_DEC_C(ins);
- duk_small_uint_fast_t op = DUK_DEC_OP(ins);
+#define DUK__RETURN_SHARED() do { \
+ duk_small_uint_t ret_result; \
+ /* duk__handle_return() is guaranteed never to throw, except \
+ * for potential out-of-memory situations which will then \
+ * propagate out of the executor longjmp handler. \
+ */ \
+ ret_result = duk__handle_return(thr, \
+ entry_thread, \
+ entry_callstack_top); \
+ if (ret_result == DUK__RETHAND_RESTART) { \
+ goto restart_execution; \
+ } \
+ DUK_ASSERT(ret_result == DUK__RETHAND_FINISHED); \
+ return; \
+ } while (0)
+#if defined(DUK_USE_EXEC_PREFER_SIZE)
+ case DUK_OP_RETREG:
+ case DUK_OP_RETCONST:
+ case DUK_OP_RETCONSTN:
+ case DUK_OP_RETUNDEF: {
+ /* BC -> return value reg/const */
- if (op == DUK_OP_ADD) {
- /*
- * Handling DUK_OP_ADD this way is more compact (experimentally)
- * than a separate case with separate argument decoding.
- */
- duk__vm_arith_add(thr, DUK__REGCONSTP(b), DUK__REGCONSTP(c), a);
+ DUK__SYNC_AND_NULL_CURR_PC();
+
+ if (op == DUK_OP_RETREG) {
+ duk_push_tval((duk_context *) thr, DUK__REGP_BC(ins));
+ } else if (op == DUK_OP_RETUNDEF) {
+ DUK_ASSERT(DUK_TVAL_IS_UNDEFINED(thr->valstack_top)); /* valstack policy */
+ thr->valstack_top++;
} else {
- duk__vm_arith_binary_op(thr, DUK__REGCONSTP(b), DUK__REGCONSTP(c), a, op);
+ DUK_ASSERT(op == DUK_OP_RETCONST || op == DUK_OP_RETCONSTN);
+ duk_push_tval((duk_context *) thr, DUK__CONSTP_BC(ins));
}
- break;
- }
- case DUK_OP_BAND:
- case DUK_OP_BOR:
- case DUK_OP_BXOR:
- case DUK_OP_BASL:
- case DUK_OP_BLSR:
- case DUK_OP_BASR: {
- duk_small_uint_fast_t a = DUK_DEC_A(ins);
- duk_small_uint_fast_t b = DUK_DEC_B(ins);
- duk_small_uint_fast_t c = DUK_DEC_C(ins);
- duk_small_uint_fast_t op = DUK_DEC_OP(ins);
-
- duk__vm_bitwise_binary_op(thr, DUK__REGCONSTP(b), DUK__REGCONSTP(c), a, op);
- break;
+ DUK__RETURN_SHARED();
}
+#else /* DUK_USE_EXEC_PREFER_SIZE */
+ case DUK_OP_RETREG: {
+ duk_tval *tv;
- case DUK_OP_EQ:
- case DUK_OP_NEQ: {
- duk_context *ctx = (duk_context *) thr;
- duk_small_uint_fast_t a = DUK_DEC_A(ins);
- duk_small_uint_fast_t b = DUK_DEC_B(ins);
- duk_small_uint_fast_t c = DUK_DEC_C(ins);
- duk_bool_t tmp;
-
- /* E5 Sections 11.9.1, 11.9.3 */
- tmp = duk_js_equals(thr, DUK__REGCONSTP(b), DUK__REGCONSTP(c));
- if (DUK_DEC_OP(ins) == DUK_OP_NEQ) {
- tmp = !tmp;
- }
- duk_push_boolean(ctx, tmp);
- duk_replace(ctx, (duk_idx_t) a);
- break;
+ DUK__SYNC_AND_NULL_CURR_PC();
+ tv = DUK__REGP_BC(ins);
+ DUK_TVAL_SET_TVAL(thr->valstack_top, tv);
+ DUK_TVAL_INCREF(thr, tv);
+ thr->valstack_top++;
+ DUK__RETURN_SHARED();
}
+ case DUK_OP_RETCONST: {
+ duk_tval *tv;
- case DUK_OP_SEQ:
- case DUK_OP_SNEQ: {
- duk_context *ctx = (duk_context *) thr;
- duk_small_uint_fast_t a = DUK_DEC_A(ins);
- duk_small_uint_fast_t b = DUK_DEC_B(ins);
- duk_small_uint_fast_t c = DUK_DEC_C(ins);
- duk_bool_t tmp;
-
- /* E5 Sections 11.9.1, 11.9.3 */
- tmp = duk_js_strict_equals(DUK__REGCONSTP(b), DUK__REGCONSTP(c));
- if (DUK_DEC_OP(ins) == DUK_OP_SNEQ) {
- tmp = !tmp;
- }
- duk_push_boolean(ctx, tmp);
- duk_replace(ctx, (duk_idx_t) a);
- break;
+ DUK__SYNC_AND_NULL_CURR_PC();
+ tv = DUK__CONSTP_BC(ins);
+ DUK_TVAL_SET_TVAL(thr->valstack_top, tv);
+ DUK_TVAL_INCREF(thr, tv);
+ thr->valstack_top++;
+ DUK__RETURN_SHARED();
}
+ case DUK_OP_RETCONSTN: {
+ duk_tval *tv;
- /* Note: combining comparison ops must be done carefully because
- * of uncomparable values (NaN): it's not necessarily true that
- * (x >= y) === !(x < y). Also, evaluation order matters, and
- * although it would only seem to affect the compiler this is
- * actually not the case, because there are also run-time coercions
- * of the arguments (with potential side effects).
- *
- * XXX: can be combined; check code size.
- */
-
- case DUK_OP_GT: {
- duk_context *ctx = (duk_context *) thr;
- duk_small_uint_fast_t a = DUK_DEC_A(ins);
- duk_small_uint_fast_t b = DUK_DEC_B(ins);
- duk_small_uint_fast_t c = DUK_DEC_C(ins);
- duk_bool_t tmp;
-
- /* x > y --> y < x */
- tmp = duk_js_compare_helper(thr,
- DUK__REGCONSTP(c), /* y */
- DUK__REGCONSTP(b), /* x */
- 0); /* flags */
-
- duk_push_boolean(ctx, tmp);
- duk_replace(ctx, (duk_idx_t) a);
- break;
+ DUK__SYNC_AND_NULL_CURR_PC();
+ tv = DUK__CONSTP_BC(ins);
+ DUK_TVAL_SET_TVAL(thr->valstack_top, tv);
+ DUK_ASSERT(!DUK_TVAL_IS_HEAP_ALLOCATED(tv)); /* no INCREF for this constant */
+ thr->valstack_top++;
+ DUK__RETURN_SHARED();
}
-
- case DUK_OP_GE: {
- duk_context *ctx = (duk_context *) thr;
- duk_small_uint_fast_t a = DUK_DEC_A(ins);
- duk_small_uint_fast_t b = DUK_DEC_B(ins);
- duk_small_uint_fast_t c = DUK_DEC_C(ins);
- duk_bool_t tmp;
-
- /* x >= y --> not (x < y) */
- tmp = duk_js_compare_helper(thr,
- DUK__REGCONSTP(b), /* x */
- DUK__REGCONSTP(c), /* y */
- DUK_COMPARE_FLAG_EVAL_LEFT_FIRST |
- DUK_COMPARE_FLAG_NEGATE); /* flags */
-
- duk_push_boolean(ctx, tmp);
- duk_replace(ctx, (duk_idx_t) a);
- break;
+ case DUK_OP_RETUNDEF: {
+ DUK__SYNC_AND_NULL_CURR_PC();
+ thr->valstack_top++; /* value at valstack top is already undefined by valstack policy */
+ DUK_ASSERT(DUK_TVAL_IS_UNDEFINED(thr->valstack_top));
+ DUK__RETURN_SHARED();
}
+#endif /* DUK_USE_EXEC_PREFER_SIZE */
- case DUK_OP_LT: {
- duk_context *ctx = (duk_context *) thr;
- duk_small_uint_fast_t a = DUK_DEC_A(ins);
- duk_small_uint_fast_t b = DUK_DEC_B(ins);
- duk_small_uint_fast_t c = DUK_DEC_C(ins);
- duk_bool_t tmp;
+ case DUK_OP_LABEL: {
+ duk_catcher *cat;
+ duk_small_uint_fast_t bc = DUK_DEC_BC(ins);
- /* x < y */
- tmp = duk_js_compare_helper(thr,
- DUK__REGCONSTP(b), /* x */
- DUK__REGCONSTP(c), /* y */
- DUK_COMPARE_FLAG_EVAL_LEFT_FIRST); /* flags */
+ /* allocate catcher and populate it (should be atomic) */
- duk_push_boolean(ctx, tmp);
- duk_replace(ctx, (duk_idx_t) a);
- break;
- }
+ duk_hthread_catchstack_grow(thr);
+ cat = thr->catchstack + thr->catchstack_top;
+ thr->catchstack_top++;
- case DUK_OP_LE: {
- duk_context *ctx = (duk_context *) thr;
- duk_small_uint_fast_t a = DUK_DEC_A(ins);
- duk_small_uint_fast_t b = DUK_DEC_B(ins);
- duk_small_uint_fast_t c = DUK_DEC_C(ins);
- duk_bool_t tmp;
+ cat->flags = DUK_CAT_TYPE_LABEL | (bc << DUK_CAT_LABEL_SHIFT);
+ cat->callstack_index = thr->callstack_top - 1;
+ cat->pc_base = (duk_instr_t *) curr_pc; /* pre-incremented, points to first jump slot */
+ cat->idx_base = 0; /* unused for label */
+ cat->h_varname = NULL;
- /* x <= y --> not (x > y) --> not (y < x) */
- tmp = duk_js_compare_helper(thr,
- DUK__REGCONSTP(c), /* y */
- DUK__REGCONSTP(b), /* x */
- DUK_COMPARE_FLAG_NEGATE); /* flags */
+ DUK_DDD(DUK_DDDPRINT("LABEL catcher: flags=0x%08lx, callstack_index=%ld, pc_base=%ld, "
+ "idx_base=%ld, h_varname=%!O, label_id=%ld",
+ (long) cat->flags, (long) cat->callstack_index, (long) cat->pc_base,
+ (long) cat->idx_base, (duk_heaphdr *) cat->h_varname, (long) DUK_CAT_GET_LABEL(cat)));
- duk_push_boolean(ctx, tmp);
- duk_replace(ctx, (duk_idx_t) a);
+ curr_pc += 2; /* skip jump slots */
break;
}
- case DUK_OP_IF: {
- duk_small_uint_fast_t a = DUK_DEC_A(ins);
- duk_small_uint_fast_t b = DUK_DEC_B(ins);
- duk_bool_t tmp;
+ case DUK_OP_ENDLABEL: {
+ duk_catcher *cat;
+#if (defined(DUK_USE_DEBUG_LEVEL) && (DUK_USE_DEBUG_LEVEL >= 2)) || defined(DUK_USE_ASSERTIONS)
+ duk_small_uint_fast_t bc = DUK_DEC_BC(ins);
+#endif
+#if defined(DUK_USE_DEBUG_LEVEL) && (DUK_USE_DEBUG_LEVEL >= 2)
+ DUK_DDD(DUK_DDDPRINT("ENDLABEL %ld", (long) bc));
+#endif
- tmp = duk_js_toboolean(DUK__REGCONSTP(b));
- if (tmp == (duk_bool_t) a) {
- /* if boolean matches A, skip next inst */
- curr_pc++;
- } else {
- ;
- }
- break;
- }
+ DUK_ASSERT(thr->catchstack_top >= 1);
- case DUK_OP_JUMP: {
- duk_int_fast_t abc = DUK_DEC_ABC(ins);
+ cat = thr->catchstack + thr->catchstack_top - 1;
+ DUK_UNREF(cat);
+ DUK_ASSERT(DUK_CAT_GET_TYPE(cat) == DUK_CAT_TYPE_LABEL);
+ DUK_ASSERT((duk_uint_fast_t) DUK_CAT_GET_LABEL(cat) == bc);
- curr_pc += abc - DUK_BC_JUMP_BIAS;
+ duk_hthread_catchstack_unwind(thr, thr->catchstack_top - 1);
+ /* no need to unwind callstack */
break;
}
- case DUK_OP_RETURN: {
- duk_context *ctx = (duk_context *) thr;
- duk_small_uint_fast_t a = DUK_DEC_A(ins);
- duk_small_uint_fast_t b = DUK_DEC_B(ins);
- /* duk_small_uint_fast_t c = DUK_DEC_C(ins); */
- duk_small_uint_t ret_result;
-
- /* A -> flags
- * B -> return value reg/const
- * C -> currently unused
- */
+ case DUK_OP_BREAK: {
+ duk_small_uint_fast_t bc = DUK_DEC_BC(ins);
DUK__SYNC_AND_NULL_CURR_PC();
-
- /* duk__handle_return() is guaranteed never to throw, except
- * for potential out-of-memory situations which will then
- * propagate out of the executor longjmp handler.
- */
-
- if (a & DUK_BC_RETURN_FLAG_HAVE_RETVAL) {
- duk_push_tval(ctx, DUK__REGCONSTP(b));
- } else {
- duk_push_undefined(ctx);
- }
- ret_result = duk__handle_return(thr,
- entry_thread,
- entry_callstack_top);
- if (ret_result == DUK__RETHAND_RESTART) {
- goto restart_execution;
- }
- DUK_ASSERT(ret_result == DUK__RETHAND_FINISHED);
-
- DUK_DDD(DUK_DDDPRINT("exiting executor after RETURN handling"));
- return;
+ duk__handle_break_or_continue(thr, (duk_uint_t) bc, DUK_LJ_TYPE_BREAK);
+ goto restart_execution;
}
- case DUK_OP_CALL:
- case DUK_OP_CALLI: {
- duk_context *ctx = (duk_context *) thr;
- duk_small_uint_fast_t a = DUK_DEC_A(ins);
- duk_small_uint_fast_t c = DUK_DEC_C(ins);
- duk_uint_fast_t idx;
- duk_small_uint_t call_flags;
- duk_small_uint_t flag_tailcall;
- duk_small_uint_t flag_evalcall;
- duk_tval *tv_func;
- duk_hobject *obj_func;
- duk_bool_t setup_rc;
- duk_idx_t num_stack_args;
-#if !defined(DUK_USE_EXEC_FUN_LOCAL)
- duk_hcompiledfunction *fun;
-#endif
-
- /* A -> flags
- * B -> base register for call (base -> func, base+1 -> this, base+2 -> arg1 ... base+2+N-1 -> argN)
- * (for DUK_OP_CALLI, 'b' is indirect)
- * C -> nargs
- */
-
- /* these are not necessarily 0 or 1 (may be other non-zero), that's ok */
- flag_tailcall = (a & DUK_BC_CALL_FLAG_TAILCALL);
- flag_evalcall = (a & DUK_BC_CALL_FLAG_EVALCALL);
-
- idx = (duk_uint_fast_t) DUK_DEC_B(ins);
- if (DUK_DEC_OP(ins) == DUK_OP_CALLI) {
- duk_tval *tv_ind = DUK__REGP(idx);
- DUK_ASSERT(DUK_TVAL_IS_NUMBER(tv_ind));
- idx = (duk_uint_fast_t) DUK_TVAL_GET_NUMBER(tv_ind);
- }
-
-#if defined(DUK_USE_EXEC_INDIRECT_BOUND_CHECK)
- if (!duk_is_valid_index(ctx, (duk_idx_t) idx)) {
- /* XXX: improve check; check against nregs, not against top */
- DUK__INTERNAL_ERROR("CALL out of bounds");
- }
-#endif
-
- /*
- * To determine whether to use an optimized Ecmascript-to-Ecmascript
- * call, we need to know whether the final, non-bound function is an
- * Ecmascript function.
- *
- * This is now implemented so that we start to do an ecma-to-ecma call
- * setup which will resolve the bound chain as the first thing. If the
- * final function is not eligible, the return value indicates that the
- * ecma-to-ecma call is not possible. The setup will overwrite the call
- * target at DUK__REGP(idx) with the final, non-bound function (which
- * may be a lightfunc), and fudge arguments if necessary.
- *
- * XXX: If an ecma-to-ecma call is not possible, this initial call
- * setup will do bound function chain resolution but won't do the
- * "effective this binding" resolution which is quite confusing.
- * Perhaps add a helper for doing bound function and effective this
- * binding resolution - and call that explicitly? Ecma-to-ecma call
- * setup and normal function handling can then assume this prestep has
- * been done by the caller.
- */
-
- duk_set_top(ctx, (duk_idx_t) (idx + c + 2)); /* [ ... func this arg1 ... argN ] */
-
- call_flags = 0;
- if (flag_tailcall) {
- /* We request a tail call, but in some corner cases
- * call handling can decide that a tail call is
- * actually not possible.
- * See: test-bug-tailcall-preventyield-assert.c.
- */
- call_flags |= DUK_CALL_FLAG_IS_TAILCALL;
- }
-
- /* Compared to duk_handle_call():
- * - protected call: never
- * - ignore recursion limit: never
- */
- num_stack_args = c;
- setup_rc = duk_handle_ecma_call_setup(thr,
- num_stack_args,
- call_flags);
-
- if (setup_rc) {
- /* Ecma-to-ecma call possible, may or may not be a tail call.
- * Avoid C recursion by being clever.
- */
- DUK_DDD(DUK_DDDPRINT("ecma-to-ecma call setup possible, restart execution"));
- /* curr_pc synced by duk_handle_ecma_call_setup() */
- goto restart_execution;
- }
- DUK_ASSERT(thr->ptr_curr_pc != NULL); /* restored if ecma-to-ecma setup fails */
-
- DUK_DDD(DUK_DDDPRINT("ecma-to-ecma call not possible, target is native (may be lightfunc)"));
-
- /* Recompute argument count: bound function handling may have shifted. */
- num_stack_args = duk_get_top(ctx) - (idx + 2);
- DUK_DDD(DUK_DDDPRINT("recomputed arg count: %ld\n", (long) num_stack_args));
-
- tv_func = DUK__REGP(idx); /* Relookup if relocated */
- if (DUK_TVAL_IS_LIGHTFUNC(tv_func)) {
-
- call_flags = 0; /* not protected, respect reclimit, not constructor */
-
- /* There is no eval() special handling here: eval() is never
- * automatically converted to a lightfunc.
- */
- DUK_ASSERT(DUK_TVAL_GET_LIGHTFUNC_FUNCPTR(tv_func) != duk_bi_global_object_eval);
-
- duk_handle_call_unprotected(thr,
- num_stack_args,
- call_flags);
-
- /* duk_js_call.c is required to restore the stack reserve
- * so we only need to reset the top.
- */
-#if !defined(DUK_USE_EXEC_FUN_LOCAL)
- fun = DUK__FUN();
-#endif
- duk_set_top(ctx, (duk_idx_t) fun->nregs);
-
- /* No need to reinit setjmp() catchpoint, as call handling
- * will store and restore our state.
- */
- } else {
- /* Call setup checks callability. */
- DUK_ASSERT(DUK_TVAL_IS_OBJECT(tv_func));
- obj_func = DUK_TVAL_GET_OBJECT(tv_func);
- DUK_ASSERT(obj_func != NULL);
- DUK_ASSERT(!DUK_HOBJECT_HAS_BOUND(obj_func));
-
- /*
- * Other cases, use C recursion.
- *
- * If a tail call was requested we ignore it and execute a normal call.
- * Since Duktape 0.11.0 the compiler emits a RETURN opcode even after
- * a tail call to avoid test-bug-tailcall-thread-yield-resume.js.
- *
- * Direct eval call: (1) call target (before following bound function
- * chain) is the built-in eval() function, and (2) call was made with
- * the identifier 'eval'.
- */
-
- call_flags = 0; /* not protected, respect reclimit, not constructor */
-
- if (DUK_HOBJECT_IS_NATIVEFUNCTION(obj_func) &&
- ((duk_hnativefunction *) obj_func)->func == duk_bi_global_object_eval) {
- if (flag_evalcall) {
- DUK_DDD(DUK_DDDPRINT("call target is eval, call identifier was 'eval' -> direct eval"));
- call_flags |= DUK_CALL_FLAG_DIRECT_EVAL;
- } else {
- DUK_DDD(DUK_DDDPRINT("call target is eval, call identifier was not 'eval' -> indirect eval"));
- }
- }
-
- duk_handle_call_unprotected(thr,
- num_stack_args,
- call_flags);
+ case DUK_OP_CONTINUE: {
+ duk_small_uint_fast_t bc = DUK_DEC_BC(ins);
- /* duk_js_call.c is required to restore the stack reserve
- * so we only need to reset the top.
- */
-#if !defined(DUK_USE_EXEC_FUN_LOCAL)
- fun = DUK__FUN();
-#endif
- duk_set_top(ctx, (duk_idx_t) fun->nregs);
-
- /* No need to reinit setjmp() catchpoint, as call handling
- * will store and restore our state.
- */
- }
-
- /* When debugger is enabled, we need to recheck the activation
- * status after returning. This is now handled by call handling
- * and heap->dbg_force_restart.
- */
- break;
+ DUK__SYNC_AND_NULL_CURR_PC();
+ duk__handle_break_or_continue(thr, (duk_uint_t) bc, DUK_LJ_TYPE_CONTINUE);
+ goto restart_execution;
}
+ /* XXX: move to helper, too large to be inline here */
case DUK_OP_TRYCATCH: {
duk_context *ctx = (duk_context *) thr;
duk_activation *act;
duk_catcher *cat;
duk_tval *tv1;
duk_small_uint_fast_t a;
- duk_uint_fast_t bc;
+ duk_small_uint_fast_t bc;
/* A -> flags
* BC -> reg_catch; base register for two registers used both during
@@ -68938,13 +72611,13 @@ DUK_LOCAL DUK_NOINLINE void duk__js_execute_bytecode_inner(duk_hthread *entry_th
duk_push_tval(ctx, DUK__REGP(bc));
duk_to_object(ctx, -1);
- duk_dup(ctx, -1);
+ duk_dup_top(ctx);
/* [ ... env target ] */
/* [ ... env target target ] */
- duk_xdef_prop_stridx(thr, -3, DUK_STRIDX_INT_TARGET, DUK_PROPDESC_FLAGS_NONE);
- duk_xdef_prop_stridx(thr, -2, DUK_STRIDX_INT_THIS, DUK_PROPDESC_FLAGS_NONE); /* always provideThis=true */
+ duk_xdef_prop_stridx_short(thr, -3, DUK_STRIDX_INT_TARGET, DUK_PROPDESC_FLAGS_NONE);
+ duk_xdef_prop_stridx_short(thr, -2, DUK_STRIDX_INT_THIS, DUK_PROPDESC_FLAGS_NONE); /* always provideThis=true */
/* [ ... env ] */
@@ -68988,11 +72661,11 @@ DUK_LOCAL DUK_NOINLINE void duk__js_execute_bytecode_inner(duk_hthread *entry_th
DUK_DDD(DUK_DDDPRINT("activating object env: %!iT",
(duk_tval *) duk_get_tval(ctx, -1)));
- DUK_ASSERT(act->lex_env != NULL);
new_env = DUK_GET_HOBJECT_NEGIDX(ctx, -1);
DUK_ASSERT(new_env != NULL);
act = thr->callstack + thr->callstack_top - 1; /* relookup (side effects) */
+ DUK_ASSERT(act->lex_env != NULL);
DUK_HOBJECT_SET_PROTOTYPE_UPDREF(thr, new_env, act->lex_env); /* side effects */
act = thr->callstack + thr->callstack_top - 1; /* relookup (side effects) */
@@ -69032,899 +72705,981 @@ DUK_LOCAL DUK_NOINLINE void duk__js_execute_bytecode_inner(duk_hthread *entry_th
break;
}
- /* Pre/post inc/dec for register variables, important for loops. */
- case DUK_OP_PREINCR:
- case DUK_OP_PREDECR:
- case DUK_OP_POSTINCR:
- case DUK_OP_POSTDECR: {
- duk_context *ctx = (duk_context *) thr;
- duk_small_uint_fast_t a = DUK_DEC_A(ins);
- duk_uint_fast_t bc = DUK_DEC_BC(ins);
- duk_tval *tv1, *tv2;
- duk_double_t x, y, z;
-
- /* Two lowest bits of opcode are used to distinguish
- * variants. Bit 0 = inc(0)/dec(1), bit 1 = pre(0)/post(1).
- */
- DUK_ASSERT((DUK_OP_PREINCR & 0x03) == 0x00);
- DUK_ASSERT((DUK_OP_PREDECR & 0x03) == 0x01);
- DUK_ASSERT((DUK_OP_POSTINCR & 0x03) == 0x02);
- DUK_ASSERT((DUK_OP_POSTDECR & 0x03) == 0x03);
+ case DUK_OP_ENDTRY: {
+ duk_catcher *cat;
+ duk_tval *tv1;
- tv1 = DUK__REGP(bc);
-#if defined(DUK_USE_FASTINT)
- if (DUK_TVAL_IS_FASTINT(tv1)) {
- duk_int64_t x_fi, y_fi, z_fi;
- x_fi = DUK_TVAL_GET_FASTINT(tv1);
- if (ins & DUK_ENC_OP(0x01)) {
- if (x_fi == DUK_FASTINT_MIN) {
- goto skip_fastint;
- }
- y_fi = x_fi - 1;
- } else {
- if (x_fi == DUK_FASTINT_MAX) {
- goto skip_fastint;
- }
- y_fi = x_fi + 1;
- }
+ DUK_ASSERT(thr->catchstack_top >= 1);
+ DUK_ASSERT(thr->callstack_top >= 1);
+ DUK_ASSERT(thr->catchstack[thr->catchstack_top - 1].callstack_index == thr->callstack_top - 1);
- DUK_TVAL_SET_FASTINT(tv1, y_fi); /* no need for refcount update */
+ cat = thr->catchstack + thr->catchstack_top - 1;
- tv2 = DUK__REGP(a);
- z_fi = (ins & DUK_ENC_OP(0x02)) ? x_fi : y_fi;
- DUK_TVAL_SET_FASTINT_UPDREF(thr, tv2, z_fi); /* side effects */
- break;
- }
- skip_fastint:
-#endif
- if (DUK_TVAL_IS_NUMBER(tv1)) {
- /* Fast path for the case where the register
- * is a number (e.g. loop counter).
- */
+ DUK_DDD(DUK_DDDPRINT("ENDTRY: clearing catch active flag (regardless of whether it was set or not)"));
+ DUK_CAT_CLEAR_CATCH_ENABLED(cat);
- x = DUK_TVAL_GET_NUMBER(tv1);
- if (ins & DUK_ENC_OP(0x01)) {
- y = x - 1.0;
- } else {
- y = x + 1.0;
- }
+ if (DUK_CAT_HAS_FINALLY_ENABLED(cat)) {
+ DUK_DDD(DUK_DDDPRINT("ENDTRY: finally part is active, jump through 2nd jump slot with 'normal continuation'"));
- DUK_TVAL_SET_NUMBER(tv1, y); /* no need for refcount update */
- } else {
- x = duk_to_number(ctx, bc);
+ tv1 = thr->valstack + cat->idx_base;
+ DUK_ASSERT(tv1 >= thr->valstack && tv1 < thr->valstack_top);
+ DUK_TVAL_SET_UNDEFINED_UPDREF(thr, tv1); /* side effects */
+ tv1 = NULL;
- if (ins & DUK_ENC_OP(0x01)) {
- y = x - 1.0;
- } else {
- y = x + 1.0;
- }
+ tv1 = thr->valstack + cat->idx_base + 1;
+ DUK_ASSERT(tv1 >= thr->valstack && tv1 < thr->valstack_top);
+ DUK_TVAL_SET_U32_UPDREF(thr, tv1, (duk_uint32_t) DUK_LJ_TYPE_NORMAL); /* side effects */
+ tv1 = NULL;
- duk_push_number(ctx, y);
- duk_replace(ctx, bc);
+ DUK_CAT_CLEAR_FINALLY_ENABLED(cat);
+ } else {
+ DUK_DDD(DUK_DDDPRINT("ENDTRY: no finally part, dismantle catcher, jump through 2nd jump slot (to end of statement)"));
+ duk_hthread_catchstack_unwind(thr, thr->catchstack_top - 1);
+ /* no need to unwind callstack */
}
- tv2 = DUK__REGP(a);
- z = (ins & DUK_ENC_OP(0x02)) ? x : y;
- DUK_TVAL_SET_NUMBER_UPDREF(thr, tv2, z); /* side effects */
+ curr_pc = cat->pc_base + 1;
break;
}
- /* Preinc/predec for var-by-name, slow path. */
- case DUK_OP_PREINCV:
- case DUK_OP_PREDECV:
- case DUK_OP_POSTINCV:
- case DUK_OP_POSTDECV: {
- duk_context *ctx = (duk_context *) thr;
+ case DUK_OP_ENDCATCH: {
duk_activation *act;
- duk_small_uint_fast_t a = DUK_DEC_A(ins);
- duk_uint_fast_t bc = DUK_DEC_BC(ins);
- duk_double_t x, y;
+ duk_catcher *cat;
duk_tval *tv1;
- duk_hstring *name;
- /* Two lowest bits of opcode are used to distinguish
- * variants. Bit 0 = inc(0)/dec(1), bit 1 = pre(0)/post(1).
- */
- DUK_ASSERT((DUK_OP_PREINCV & 0x03) == 0x00);
- DUK_ASSERT((DUK_OP_PREDECV & 0x03) == 0x01);
- DUK_ASSERT((DUK_OP_POSTINCV & 0x03) == 0x02);
- DUK_ASSERT((DUK_OP_POSTDECV & 0x03) == 0x03);
+ DUK_ASSERT(thr->catchstack_top >= 1);
+ DUK_ASSERT(thr->callstack_top >= 1);
+ DUK_ASSERT(thr->catchstack[thr->catchstack_top - 1].callstack_index == thr->callstack_top - 1);
+
+ cat = thr->catchstack + thr->catchstack_top - 1;
+ DUK_ASSERT(!DUK_CAT_HAS_CATCH_ENABLED(cat)); /* cleared before entering catch part */
- tv1 = DUK__CONSTP(bc);
- DUK_ASSERT(DUK_TVAL_IS_STRING(tv1));
- name = DUK_TVAL_GET_STRING(tv1);
- DUK_ASSERT(name != NULL);
act = thr->callstack + thr->callstack_top - 1;
- (void) duk_js_getvar_activation(thr, act, name, 1 /*throw*/); /* -> [... val this] */
- /* XXX: fastint fast path would be very useful here */
+ if (DUK_CAT_HAS_LEXENV_ACTIVE(cat)) {
+ duk_hobject *prev_env;
- x = duk_to_number(ctx, -2);
- duk_pop_2(ctx);
- if (ins & DUK_ENC_OP(0x01)) {
- y = x - 1.0;
- } else {
- y = x + 1.0;
- }
-
- duk_push_number(ctx, y);
- tv1 = DUK_GET_TVAL_NEGIDX(ctx, -1);
- DUK_ASSERT(tv1 != NULL);
- duk_js_putvar_activation(thr, act, name, tv1, DUK__STRICT());
- duk_pop(ctx);
+ /* 'with' binding has no catch clause, so can't be here unless a normal try-catch */
+ DUK_ASSERT(DUK_CAT_HAS_CATCH_BINDING_ENABLED(cat));
+ DUK_ASSERT(act->lex_env != NULL);
- duk_push_number(ctx, (ins & DUK_ENC_OP(0x02)) ? x : y);
- duk_replace(ctx, (duk_idx_t) a);
- break;
- }
+ DUK_DDD(DUK_DDDPRINT("ENDCATCH: popping catcher part lexical environment"));
- /* Preinc/predec for object properties. */
- case DUK_OP_PREINCP:
- case DUK_OP_PREDECP:
- case DUK_OP_POSTINCP:
- case DUK_OP_POSTDECP: {
- duk_context *ctx = (duk_context *) thr;
- duk_small_uint_fast_t a = DUK_DEC_A(ins);
- duk_small_uint_fast_t b = DUK_DEC_B(ins);
- duk_small_uint_fast_t c = DUK_DEC_C(ins);
- duk_tval *tv_obj;
- duk_tval *tv_key;
- duk_tval *tv_val;
- duk_bool_t rc;
- duk_double_t x, y;
+ prev_env = act->lex_env;
+ DUK_ASSERT(prev_env != NULL);
+ act->lex_env = DUK_HOBJECT_GET_PROTOTYPE(thr->heap, prev_env);
+ DUK_CAT_CLEAR_LEXENV_ACTIVE(cat);
+ DUK_HOBJECT_DECREF(thr, prev_env); /* side effects */
+ }
- /* A -> target reg
- * B -> object reg/const (may be const e.g. in "'foo'[1]")
- * C -> key reg/const
- */
+ if (DUK_CAT_HAS_FINALLY_ENABLED(cat)) {
+ DUK_DDD(DUK_DDDPRINT("ENDCATCH: finally part is active, jump through 2nd jump slot with 'normal continuation'"));
- /* Two lowest bits of opcode are used to distinguish
- * variants. Bit 0 = inc(0)/dec(1), bit 1 = pre(0)/post(1).
- */
- DUK_ASSERT((DUK_OP_PREINCP & 0x03) == 0x00);
- DUK_ASSERT((DUK_OP_PREDECP & 0x03) == 0x01);
- DUK_ASSERT((DUK_OP_POSTINCP & 0x03) == 0x02);
- DUK_ASSERT((DUK_OP_POSTDECP & 0x03) == 0x03);
+ tv1 = thr->valstack + cat->idx_base;
+ DUK_ASSERT(tv1 >= thr->valstack && tv1 < thr->valstack_top);
+ DUK_TVAL_SET_UNDEFINED_UPDREF(thr, tv1); /* side effects */
+ tv1 = NULL;
- tv_obj = DUK__REGCONSTP(b);
- tv_key = DUK__REGCONSTP(c);
- rc = duk_hobject_getprop(thr, tv_obj, tv_key); /* -> [val] */
- DUK_UNREF(rc); /* ignore */
- tv_obj = NULL; /* invalidated */
- tv_key = NULL; /* invalidated */
+ tv1 = thr->valstack + cat->idx_base + 1;
+ DUK_ASSERT(tv1 >= thr->valstack && tv1 < thr->valstack_top);
+ DUK_TVAL_SET_U32_UPDREF(thr, tv1, (duk_uint32_t) DUK_LJ_TYPE_NORMAL); /* side effects */
+ tv1 = NULL;
- x = duk_to_number(ctx, -1);
- duk_pop(ctx);
- if (ins & DUK_ENC_OP(0x01)) {
- y = x - 1.0;
+ DUK_CAT_CLEAR_FINALLY_ENABLED(cat);
} else {
- y = x + 1.0;
+ DUK_DDD(DUK_DDDPRINT("ENDCATCH: no finally part, dismantle catcher, jump through 2nd jump slot (to end of statement)"));
+ duk_hthread_catchstack_unwind(thr, thr->catchstack_top - 1);
+ /* no need to unwind callstack */
}
- duk_push_number(ctx, y);
- tv_val = DUK_GET_TVAL_NEGIDX(ctx, -1);
- DUK_ASSERT(tv_val != NULL);
- tv_obj = DUK__REGCONSTP(b);
- tv_key = DUK__REGCONSTP(c);
- rc = duk_hobject_putprop(thr, tv_obj, tv_key, tv_val, DUK__STRICT());
- DUK_UNREF(rc); /* ignore */
- tv_obj = NULL; /* invalidated */
- tv_key = NULL; /* invalidated */
- duk_pop(ctx);
-
- duk_push_number(ctx, (ins & DUK_ENC_OP(0x02)) ? x : y);
- duk_replace(ctx, (duk_idx_t) a);
+ curr_pc = cat->pc_base + 1;
break;
}
- case DUK_OP_EXTRA: {
- /* XXX: shared decoding of 'b' and 'c'? */
+ case DUK_OP_ENDFIN: {
+ duk_context *ctx = (duk_context *) thr;
+ duk_catcher *cat;
+ duk_tval *tv1;
+ duk_small_uint_t cont_type;
+ duk_small_uint_t ret_result;
- duk_small_uint_fast_t extraop = DUK_DEC_A(ins);
- switch ((int) extraop) {
- /* XXX: switch cast? */
+ /* Sync and NULL early. */
+ DUK__SYNC_AND_NULL_CURR_PC();
- case DUK_EXTRAOP_NOP: {
- /* nop */
- break;
- }
+ DUK_ASSERT(thr->catchstack_top >= 1);
+ DUK_ASSERT(thr->callstack_top >= 1);
+ DUK_ASSERT(thr->catchstack[thr->catchstack_top - 1].callstack_index == thr->callstack_top - 1);
- case DUK_EXTRAOP_INVALID: {
- DUK_ERROR_FMT1(thr, DUK_ERR_INTERNAL_ERROR, "INVALID opcode (%ld)", (long) DUK_DEC_BC(ins));
- break;
- }
+ cat = thr->catchstack + thr->catchstack_top - 1;
- case DUK_EXTRAOP_LDTHIS: {
- /* Note: 'this' may be bound to any value, not just an object */
- duk_uint_fast_t bc = DUK_DEC_BC(ins);
- duk_tval *tv1, *tv2;
+ /* CATCH flag may be enabled or disabled here; it may be enabled if
+ * the statement has a catch block but the try block does not throw
+ * an error.
+ */
+ DUK_ASSERT(!DUK_CAT_HAS_FINALLY_ENABLED(cat)); /* cleared before entering finally */
+ /* XXX: assert idx_base */
- tv1 = DUK__REGP(bc);
- tv2 = thr->valstack_bottom - 1; /* 'this binding' is just under bottom */
- DUK_ASSERT(tv2 >= thr->valstack);
+ DUK_DDD(DUK_DDDPRINT("ENDFIN: completion value=%!T, type=%!T",
+ (duk_tval *) (thr->valstack + cat->idx_base + 0),
+ (duk_tval *) (thr->valstack + cat->idx_base + 1)));
- DUK_DDD(DUK_DDDPRINT("LDTHIS: %!T to r%ld", (duk_tval *) tv2, (long) bc));
+ tv1 = thr->valstack + cat->idx_base + 1; /* type */
+ DUK_ASSERT(DUK_TVAL_IS_NUMBER(tv1));
+ cont_type = (duk_small_uint_t) DUK_TVAL_GET_NUMBER(tv1);
- DUK_TVAL_SET_TVAL_UPDREF_FAST(thr, tv1, tv2); /* side effects */
- break;
+ switch (cont_type) {
+ case DUK_LJ_TYPE_NORMAL: {
+ DUK_DDD(DUK_DDDPRINT("ENDFIN: finally part finishing with 'normal' (non-abrupt) completion -> "
+ "dismantle catcher, resume execution after ENDFIN"));
+ duk_hthread_catchstack_unwind(thr, thr->catchstack_top - 1);
+ /* no need to unwind callstack */
+ goto restart_execution;
}
+ case DUK_LJ_TYPE_RETURN: {
+ DUK_DDD(DUK_DDDPRINT("ENDFIN: finally part finishing with 'return' complation -> dismantle "
+ "catcher, handle return, lj.value1=%!T", thr->valstack + cat->idx_base));
- case DUK_EXTRAOP_LDUNDEF: {
- duk_uint_fast_t bc = DUK_DEC_BC(ins);
- duk_tval *tv1;
-
- tv1 = DUK__REGP(bc);
- DUK_TVAL_SET_UNDEFINED_UPDREF(thr, tv1); /* side effects */
- break;
- }
+ /* Not necessary to unwind catchstack: return handling will
+ * do it. The finally flag of 'cat' is no longer set. The
+ * catch flag may be set, but it's not checked by return handling.
+ */
+ DUK_ASSERT(!DUK_CAT_HAS_FINALLY_ENABLED(cat)); /* cleared before entering finally */
+#if 0
+ duk_hthread_catchstack_unwind(thr, thr->catchstack_top - 1);
+#endif
- case DUK_EXTRAOP_LDNULL: {
- duk_uint_fast_t bc = DUK_DEC_BC(ins);
- duk_tval *tv1;
+ duk_push_tval(ctx, thr->valstack + cat->idx_base);
+ ret_result = duk__handle_return(thr,
+ entry_thread,
+ entry_callstack_top);
+ if (ret_result == DUK__RETHAND_RESTART) {
+ goto restart_execution;
+ }
+ DUK_ASSERT(ret_result == DUK__RETHAND_FINISHED);
- tv1 = DUK__REGP(bc);
- DUK_TVAL_SET_NULL_UPDREF(thr, tv1); /* side effects */
- break;
+ DUK_DDD(DUK_DDDPRINT("exiting executor after ENDFIN and RETURN (pseudo) longjmp type"));
+ return;
}
+ case DUK_LJ_TYPE_BREAK:
+ case DUK_LJ_TYPE_CONTINUE: {
+ duk_uint_t label_id;
+ duk_small_uint_t lj_type;
- case DUK_EXTRAOP_LDTRUE:
- case DUK_EXTRAOP_LDFALSE: {
- duk_uint_fast_t bc = DUK_DEC_BC(ins);
- duk_tval *tv1;
- duk_small_uint_fast_t bval = (extraop == DUK_EXTRAOP_LDTRUE ? 1 : 0);
+ /* Not necessary to unwind catchstack: break/continue
+ * handling will do it. The finally flag of 'cat' is
+ * no longer set. The catch flag may be set, but it's
+ * not checked by break/continue handling.
+ */
+#if 0
+ duk_hthread_catchstack_unwind(thr, thr->catchstack_top - 1);
+#endif
- tv1 = DUK__REGP(bc);
- DUK_TVAL_SET_BOOLEAN_UPDREF(thr, tv1, bval); /* side effects */
- break;
+ tv1 = thr->valstack + cat->idx_base;
+ DUK_ASSERT(DUK_TVAL_IS_NUMBER(tv1));
+#if defined(DUK_USE_FASTINT)
+ DUK_ASSERT(DUK_TVAL_IS_FASTINT(tv1));
+ label_id = (duk_small_uint_t) DUK_TVAL_GET_FASTINT_U32(tv1);
+#else
+ label_id = (duk_small_uint_t) DUK_TVAL_GET_NUMBER(tv1);
+#endif
+ lj_type = cont_type;
+ duk__handle_break_or_continue(thr, label_id, lj_type);
+ goto restart_execution;
}
+ default: {
+ DUK_DDD(DUK_DDDPRINT("ENDFIN: finally part finishing with abrupt completion, lj_type=%ld -> "
+ "dismantle catcher, re-throw error",
+ (long) cont_type));
- case DUK_EXTRAOP_NEWOBJ: {
- duk_context *ctx = (duk_context *) thr;
- duk_small_uint_fast_t b = DUK_DEC_B(ins);
-
- duk_push_object(ctx);
- duk_replace(ctx, (duk_idx_t) b);
- break;
- }
+ duk_push_tval(ctx, thr->valstack + cat->idx_base);
- case DUK_EXTRAOP_NEWARR: {
- duk_context *ctx = (duk_context *) thr;
- duk_small_uint_fast_t b = DUK_DEC_B(ins);
+ duk_err_setup_heap_ljstate(thr, (duk_small_int_t) cont_type);
- duk_push_array(ctx);
- duk_replace(ctx, (duk_idx_t) b);
- break;
+ DUK_ASSERT(thr->heap->lj.jmpbuf_ptr != NULL); /* always in executor */
+ duk_err_longjmp(thr);
+ DUK_UNREACHABLE();
+ }
}
- case DUK_EXTRAOP_SETALEN: {
- duk_small_uint_fast_t b;
- duk_small_uint_fast_t c;
- duk_tval *tv1;
- duk_hobject *h;
- duk_uint32_t len;
-
- b = DUK_DEC_B(ins); tv1 = DUK__REGP(b);
- DUK_ASSERT(DUK_TVAL_IS_OBJECT(tv1));
- h = DUK_TVAL_GET_OBJECT(tv1);
-
- c = DUK_DEC_C(ins); tv1 = DUK__REGP(c);
- DUK_ASSERT(DUK_TVAL_IS_NUMBER(tv1));
- len = (duk_uint32_t) DUK_TVAL_GET_NUMBER(tv1);
+ /* Must restart in all cases because we NULLed thr->ptr_curr_pc. */
+ DUK_UNREACHABLE();
+ break;
+ }
- duk_hobject_set_length(thr, h, len);
+ case DUK_OP_THROW: {
+ duk_context *ctx = (duk_context *) thr;
+ duk_small_uint_fast_t bc = DUK_DEC_BC(ins);
- break;
- }
+ /* Note: errors are augmented when they are created, not
+ * when they are thrown. So, don't augment here, it would
+ * break re-throwing for instance.
+ */
- case DUK_EXTRAOP_TYPEOF: {
- duk_context *ctx = (duk_context *) thr;
- duk_uint_fast_t bc = DUK_DEC_BC(ins);
- duk_push_hstring(ctx, duk_js_typeof(thr, DUK__REGP(bc)));
- duk_replace(ctx, (duk_idx_t) bc);
- break;
- }
+ /* Sync so that augmentation sees up-to-date activations, NULL
+ * thr->ptr_curr_pc so that it's not used if side effects occur
+ * in augmentation or longjmp handling.
+ */
+ DUK__SYNC_AND_NULL_CURR_PC();
- case DUK_EXTRAOP_TYPEOFID: {
- duk_context *ctx = (duk_context *) thr;
- duk_activation *act;
- duk_small_uint_fast_t b = DUK_DEC_B(ins);
- duk_small_uint_fast_t c = DUK_DEC_C(ins);
- duk_hstring *name;
- duk_tval *tv;
+ duk_dup(ctx, (duk_idx_t) bc);
+ DUK_DDD(DUK_DDDPRINT("THROW ERROR (BYTECODE): %!dT (before throw augment)",
+ (duk_tval *) duk_get_tval(ctx, -1)));
+#if defined(DUK_USE_AUGMENT_ERROR_THROW)
+ duk_err_augment_error_throw(thr);
+ DUK_DDD(DUK_DDDPRINT("THROW ERROR (BYTECODE): %!dT (after throw augment)",
+ (duk_tval *) duk_get_tval(ctx, -1)));
+#endif
- /* B -> target register
- * C -> constant index of identifier name
- */
+ duk_err_setup_heap_ljstate(thr, DUK_LJ_TYPE_THROW);
- tv = DUK__REGCONSTP(c); /* XXX: this could be a DUK__CONSTP instead */
- DUK_ASSERT(DUK_TVAL_IS_STRING(tv));
- name = DUK_TVAL_GET_STRING(tv);
- act = thr->callstack + thr->callstack_top - 1;
- if (duk_js_getvar_activation(thr, act, name, 0 /*throw*/)) {
- /* -> [... val this] */
- tv = DUK_GET_TVAL_NEGIDX(ctx, -2);
- duk_push_hstring(ctx, duk_js_typeof(thr, tv));
- duk_replace(ctx, (duk_idx_t) b);
- duk_pop_2(ctx);
- } else {
- /* unresolvable, no stack changes */
- duk_push_hstring_stridx(ctx, DUK_STRIDX_LC_UNDEFINED);
- duk_replace(ctx, (duk_idx_t) b);
- }
+ DUK_ASSERT(thr->heap->lj.jmpbuf_ptr != NULL); /* always in executor */
+ duk_err_longjmp(thr);
+ DUK_UNREACHABLE();
+ break;
+ }
- break;
- }
+ case DUK_OP_CSREG: {
+ /*
+ * Assuming a register binds to a variable declared within this
+ * function (a declarative binding), the 'this' for the call
+ * setup is always 'undefined'. E5 Section 10.2.1.1.6.
+ */
- case DUK_EXTRAOP_INITENUM: {
- duk_context *ctx = (duk_context *) thr;
- duk_small_uint_fast_t b = DUK_DEC_B(ins);
- duk_small_uint_fast_t c = DUK_DEC_C(ins);
+ duk_small_uint_fast_t a = DUK_DEC_A(ins);
+ duk_small_uint_fast_t bc = DUK_DEC_BC(ins);
- /*
- * Enumeration semantics come from for-in statement, E5 Section 12.6.4.
- * If called with 'null' or 'undefined', this opcode returns 'null' as
- * the enumerator, which is special cased in NEXTENUM. This simplifies
- * the compiler part
- */
+ /* A -> register containing target function (not type checked here)
+ * BC -> target registers (BC, BC + 1) for call setup
+ */
- /* B -> register for writing enumerator object
- * C -> value to be enumerated (register)
- */
+#if defined(DUK_USE_PREFER_SIZE)
+ duk_dup((duk_context *) thr, a);
+ duk_replace((duk_context *) thr, bc);
+ duk_to_undefined((duk_context *) thr, bc + 1);
+#else
+ duk_tval *tv1;
+ duk_tval *tv2;
+ duk_tval *tv3;
+ duk_tval tv_tmp1;
+ duk_tval tv_tmp2;
- if (duk_is_null_or_undefined(ctx, (duk_idx_t) c)) {
- duk_push_null(ctx);
- duk_replace(ctx, (duk_idx_t) b);
- } else {
- duk_dup(ctx, (duk_idx_t) c);
- duk_to_object(ctx, -1);
- duk_hobject_enumerator_create(ctx, 0 /*enum_flags*/); /* [ ... val ] --> [ ... enum ] */
- duk_replace(ctx, (duk_idx_t) b);
- }
- break;
- }
+ tv1 = DUK__REGP(bc);
+ tv2 = tv1 + 1;
+ DUK_TVAL_SET_TVAL(&tv_tmp1, tv1);
+ DUK_TVAL_SET_TVAL(&tv_tmp2, tv2);
+ tv3 = DUK__REGP(a);
+ DUK_TVAL_SET_TVAL(tv1, tv3);
+ DUK_TVAL_INCREF(thr, tv1); /* no side effects */
+ DUK_TVAL_SET_UNDEFINED(tv2); /* no need for incref */
+ DUK_TVAL_DECREF(thr, &tv_tmp1);
+ DUK_TVAL_DECREF(thr, &tv_tmp2);
+#endif
+ break;
+ }
- case DUK_EXTRAOP_NEXTENUM: {
- duk_context *ctx = (duk_context *) thr;
- duk_small_uint_fast_t b = DUK_DEC_B(ins);
- duk_small_uint_fast_t c = DUK_DEC_C(ins);
+ case DUK_OP_EVALCALL: {
+ /* Eval call or a normal call made using the identifier 'eval'.
+ * Eval calls are never handled as tail calls for simplicity.
+ */
+ duk_context *ctx = (duk_context *) thr;
+ duk_small_uint_fast_t nargs;
+ duk_uint_fast_t idx;
+ duk_idx_t num_stack_args;
+ duk_small_uint_t call_flags;
+ duk_tval *tv_func;
+ duk_hobject *obj_func;
+#if !defined(DUK_USE_EXEC_FUN_LOCAL)
+ duk_hcompfunc *fun;
+#endif
- /*
- * NEXTENUM checks whether the enumerator still has unenumerated
- * keys. If so, the next key is loaded to the target register
- * and the next instruction is skipped. Otherwise the next instruction
- * will be executed, jumping out of the enumeration loop.
- */
+ /* Technically we should also check for the possibility of
+ * a pure Ecmascript-to-Ecmascript call: while built-in eval()
+ * is native, it's possible for the 'eval' identifier to be
+ * shadowed. In practice that would be rare and optimizing the
+ * C call stack for that case is a bit pointless.
+ */
- /* B -> target register for next key
- * C -> enum register
- */
+ nargs = (duk_small_uint_fast_t) DUK_DEC_A(ins);
+ idx = (duk_uint_fast_t) DUK_DEC_BC(ins);
+ duk_set_top(ctx, (duk_idx_t) (idx + nargs + 2)); /* [ ... func this arg1 ... argN ] */
- DUK_DDD(DUK_DDDPRINT("NEXTENUM: b->%!T, c->%!T",
- (duk_tval *) duk_get_tval(ctx, (duk_idx_t) b),
- (duk_tval *) duk_get_tval(ctx, (duk_idx_t) c)));
-
- if (duk_is_object(ctx, (duk_idx_t) c)) {
- /* XXX: assert 'c' is an enumerator */
- duk_dup(ctx, (duk_idx_t) c);
- if (duk_hobject_enumerator_next(ctx, 0 /*get_value*/)) {
- /* [ ... enum ] -> [ ... next_key ] */
- DUK_DDD(DUK_DDDPRINT("enum active, next key is %!T, skip jump slot ",
- (duk_tval *) duk_get_tval(ctx, -1)));
- curr_pc++;
- } else {
- /* [ ... enum ] -> [ ... ] */
- DUK_DDD(DUK_DDDPRINT("enum finished, execute jump slot"));
- duk_push_undefined(ctx);
- }
- duk_replace(ctx, (duk_idx_t) b);
- } else {
- /* 'null' enumerator case -> behave as with an empty enumerator */
- DUK_ASSERT(duk_is_null(ctx, (duk_idx_t) c));
- DUK_DDD(DUK_DDDPRINT("enum is null, execute jump slot"));
+ call_flags = 0;
+ tv_func = DUK_GET_TVAL_POSIDX(ctx, idx);
+ if (DUK_TVAL_IS_OBJECT(tv_func)) {
+ obj_func = DUK_TVAL_GET_OBJECT(tv_func);
+ DUK_ASSERT(obj_func != NULL);
+ if (DUK_HOBJECT_IS_NATFUNC(obj_func) &&
+ ((duk_hnatfunc *) obj_func)->func == duk_bi_global_object_eval) {
+ DUK_DDD(DUK_DDDPRINT("call target is eval, call identifier was 'eval' -> direct eval"));
+ call_flags |= DUK_CALL_FLAG_DIRECT_EVAL;
}
- break;
}
+ num_stack_args = nargs;
+ duk_handle_call_unprotected(thr, num_stack_args, call_flags);
- case DUK_EXTRAOP_INITSET:
- case DUK_EXTRAOP_INITSETI:
- case DUK_EXTRAOP_INITGET:
- case DUK_EXTRAOP_INITGETI: {
- duk_context *ctx = (duk_context *) thr;
- duk_bool_t is_set = (extraop == DUK_EXTRAOP_INITSET || extraop == DUK_EXTRAOP_INITSETI);
- duk_small_uint_fast_t b = DUK_DEC_B(ins);
- duk_uint_fast_t idx;
-
- /* B -> object register
- * C -> C+0 contains key, C+1 closure (value)
- */
+#if !defined(DUK_USE_EXEC_FUN_LOCAL)
+ fun = DUK__FUN();
+#endif
+ duk_set_top(ctx, (duk_idx_t) fun->nregs);
+ break;
+ }
- /*
- * INITSET/INITGET are only used to initialize object literal keys.
- * The compiler ensures that there cannot be a previous data property
- * of the same name. It also ensures that setter and getter can only
- * be initialized once (or not at all).
- */
+ case DUK_OP_CALL:
+ case DUK_OP_TAILCALL: {
+ /* DUK_OP_CALL: plain call, not tailcall compatible.
+ *
+ * DUK_OP_TAILCALL: plain call which is tailcall
+ * compatible. Tail call may not be possible due
+ * to e.g. target not being an Ecmascript function.
+ *
+ * Not a direct eval call. Indirect eval calls don't
+ * need special handling here.
+ */
- idx = (duk_uint_fast_t) DUK_DEC_C(ins);
- if (extraop == DUK_EXTRAOP_INITSETI || extraop == DUK_EXTRAOP_INITGETI) {
- duk_tval *tv_ind = DUK__REGP(idx);
- DUK_ASSERT(DUK_TVAL_IS_NUMBER(tv_ind));
- idx = (duk_uint_fast_t) DUK_TVAL_GET_NUMBER(tv_ind);
- }
+ /* To determine whether to use an optimized Ecmascript-to-Ecmascript
+ * call, we need to know whether the final, non-bound function is an
+ * Ecmascript function. Current implementation is to first try an
+ * Ecma-to-Ecma call setup which also resolves the bound function
+ * chain. The setup attempt overwrites call target at DUK__REGP(idx)
+ * and may also fudge the argument list. However, it won't resolve
+ * the effective 'this' binding if the setup fails. This is somewhat
+ * awkward, and the two call setup code paths should be merged.
+ *
+ * If an Ecma-to-Ecma call is not possible, the actual call handling
+ * will do another (unnecessary) attempt to resolve the bound function.
+ */
-#if defined(DUK_USE_EXEC_INDIRECT_BOUND_CHECK)
- if (idx + 2 > (duk_uint_fast_t) duk_get_top(ctx)) {
- /* XXX: use duk_is_valid_index() instead? */
- /* XXX: improve check; check against nregs, not against top */
- DUK__INTERNAL_ERROR("INITSET/INITGET out of bounds");
- }
+ duk_context *ctx = (duk_context *) thr;
+ duk_small_uint_fast_t nargs;
+ duk_uint_fast_t idx;
+ duk_idx_t num_stack_args;
+ duk_small_uint_t call_flags;
+#if !defined(DUK_USE_EXEC_FUN_LOCAL)
+ duk_hcompfunc *fun;
#endif
- /* XXX: this is now a very unoptimal implementation -- this can be
- * made very simple by direct manipulation of the object internals,
- * given the guarantees above.
- */
-
- duk_push_hobject_bidx(ctx, DUK_BIDX_OBJECT_CONSTRUCTOR);
- duk_get_prop_stridx(ctx, -1, DUK_STRIDX_DEFINE_PROPERTY);
- duk_push_undefined(ctx);
- duk_dup(ctx, (duk_idx_t) b);
- duk_dup(ctx, (duk_idx_t) (idx + 0));
- duk_push_object(ctx); /* -> [ Object defineProperty undefined obj key desc ] */
+ /* A -> nargs
+ * BC -> base register for call (base -> func, base+1 -> this, base+2 -> arg1 ... base+2+N-1 -> argN)
+ */
- duk_push_true(ctx);
- duk_put_prop_stridx(ctx, -2, DUK_STRIDX_ENUMERABLE);
- duk_push_true(ctx);
- duk_put_prop_stridx(ctx, -2, DUK_STRIDX_CONFIGURABLE);
- duk_dup(ctx, (duk_idx_t) (idx + 1));
- duk_put_prop_stridx(ctx, -2, (is_set ? DUK_STRIDX_SET : DUK_STRIDX_GET));
+ /* XXX: in some cases it's faster NOT to reuse the value
+ * stack but rather copy the arguments on top of the stack
+ * (mainly when the calling value stack is large and the value
+ * stack resize would be large). See DUK_OP_NEW.
+ */
- DUK_DDD(DUK_DDDPRINT("INITGET/INITSET: obj=%!T, key=%!T, desc=%!T",
- (duk_tval *) duk_get_tval(ctx, -3),
- (duk_tval *) duk_get_tval(ctx, -2),
- (duk_tval *) duk_get_tval(ctx, -1)));
+ nargs = (duk_small_uint_fast_t) DUK_DEC_A(ins);
+ idx = (duk_uint_fast_t) DUK_DEC_BC(ins);
+ duk_set_top(ctx, (duk_idx_t) (idx + nargs + 2)); /* [ ... func this arg1 ... argN ] */
- duk_call_method(ctx, 3); /* -> [ Object res ] */
- duk_pop_2(ctx);
+ /* DUK_OP_CALL and DUK_OP_TAILCALL are consecutive
+ * which allows a simple bit test.
+ */
+ DUK_ASSERT((DUK_OP_CALL & 0x01) == 0);
+ DUK_ASSERT((DUK_OP_TAILCALL & 0x01) == 1);
+ call_flags = (ins & (1UL << DUK_BC_SHIFT_OP)) ? DUK_CALL_FLAG_IS_TAILCALL : 0;
- DUK_DDD(DUK_DDDPRINT("INITGET/INITSET AFTER: obj=%!T",
- (duk_tval *) duk_get_tval(ctx, (duk_idx_t) b)));
- break;
+ num_stack_args = nargs;
+ if (duk_handle_ecma_call_setup(thr, num_stack_args, call_flags)) {
+ /* Ecma-to-ecma call possible, may or may not be a tail call.
+ * Avoid C recursion by being clever.
+ */
+ DUK_DDD(DUK_DDDPRINT("ecma-to-ecma call setup possible, restart execution"));
+ /* curr_pc synced by duk_handle_ecma_call_setup() */
+ goto restart_execution;
}
- case DUK_EXTRAOP_ENDTRY: {
- duk_catcher *cat;
- duk_tval *tv1;
-
- DUK_ASSERT(thr->catchstack_top >= 1);
- DUK_ASSERT(thr->callstack_top >= 1);
- DUK_ASSERT(thr->catchstack[thr->catchstack_top - 1].callstack_index == thr->callstack_top - 1);
-
- cat = thr->catchstack + thr->catchstack_top - 1;
+ /* Recompute argument count: bound function handling may have shifted. */
+ num_stack_args = duk_get_top(ctx) - (idx + 2);
+ DUK_DDD(DUK_DDDPRINT("recomputed arg count: %ld\n", (long) num_stack_args));
- DUK_DDD(DUK_DDDPRINT("ENDTRY: clearing catch active flag (regardless of whether it was set or not)"));
- DUK_CAT_CLEAR_CATCH_ENABLED(cat);
+ /* Target is either a lightfunc or a function object.
+ * We don't need to check for eval handling here: the
+ * call may be an indirect eval ('myEval("something")')
+ * but that requires no special handling.
+ */
- if (DUK_CAT_HAS_FINALLY_ENABLED(cat)) {
- DUK_DDD(DUK_DDDPRINT("ENDTRY: finally part is active, jump through 2nd jump slot with 'normal continuation'"));
+ duk_handle_call_unprotected(thr, num_stack_args, 0 /*call_flags*/);
- tv1 = thr->valstack + cat->idx_base;
- DUK_ASSERT(tv1 >= thr->valstack && tv1 < thr->valstack_top);
- DUK_TVAL_SET_UNDEFINED_UPDREF(thr, tv1); /* side effects */
- tv1 = NULL;
+ /* duk_js_call.c is required to restore the stack reserve
+ * so we only need to reset the top.
+ */
+#if !defined(DUK_USE_EXEC_FUN_LOCAL)
+ fun = DUK__FUN();
+#endif
+ duk_set_top(ctx, (duk_idx_t) fun->nregs);
- tv1 = thr->valstack + cat->idx_base + 1;
- DUK_ASSERT(tv1 >= thr->valstack && tv1 < thr->valstack_top);
- DUK_TVAL_SET_FASTINT_U32_UPDREF(thr, tv1, (duk_uint32_t) DUK_LJ_TYPE_NORMAL); /* side effects */
- tv1 = NULL;
+ /* No need to reinit setjmp() catchpoint, as call handling
+ * will store and restore our state.
+ */
- DUK_CAT_CLEAR_FINALLY_ENABLED(cat);
- } else {
- DUK_DDD(DUK_DDDPRINT("ENDTRY: no finally part, dismantle catcher, jump through 2nd jump slot (to end of statement)"));
- duk_hthread_catchstack_unwind(thr, thr->catchstack_top - 1);
- /* no need to unwind callstack */
- }
+ /* When debugger is enabled, we need to recheck the activation
+ * status after returning. This is now handled by call handling
+ * and heap->dbg_force_restart.
+ */
+ break;
+ }
- curr_pc = cat->pc_base + 1;
- break;
- }
+ case DUK_OP_NEW: {
+ duk_context *ctx = (duk_context *) thr;
+ duk_small_uint_fast_t a = DUK_DEC_A(ins);
+ duk_small_uint_fast_t bc = DUK_DEC_BC(ins);
+#if defined(DUK_USE_EXEC_PREFER_SIZE)
+#if !defined(DUK_USE_EXEC_FUN_LOCAL)
+ duk_hcompfunc *fun;
+#endif
+#else
+ duk_small_uint_fast_t count;
+ duk_tval *tv_src;
+#endif
- case DUK_EXTRAOP_ENDCATCH: {
- duk_activation *act;
- duk_catcher *cat;
- duk_tval *tv1;
+ /* A -> num args (N)
+ * BC -> target register and start reg: constructor, arg1, ..., argN
+ */
- DUK_ASSERT(thr->catchstack_top >= 1);
- DUK_ASSERT(thr->callstack_top >= 1);
- DUK_ASSERT(thr->catchstack[thr->catchstack_top - 1].callstack_index == thr->callstack_top - 1);
+ /* duk_new() will call the constuctor using duk_handle_call().
+ * A constructor call prevents a yield from inside the constructor,
+ * even if the constructor is an Ecmascript function.
+ */
- cat = thr->catchstack + thr->catchstack_top - 1;
- DUK_ASSERT(!DUK_CAT_HAS_CATCH_ENABLED(cat)); /* cleared before entering catch part */
+ /* Don't need to sync curr_pc here; duk_new() will do that
+ * when it augments the created error.
+ */
- act = thr->callstack + thr->callstack_top - 1;
+#if defined(DUK_USE_EXEC_PREFER_SIZE)
+ /* This alternative relies on our being allowed to trash anything
+ * above 'bc' so we can just reuse the argument registers which
+ * means smaller value stack use. Footprint is a bit smaller.
+ */
+ duk_set_top(ctx, (duk_idx_t) (bc + a + 1));
+ duk_new(ctx, (duk_idx_t) a); /* [... constructor arg1 ... argN] -> [retval] */
- if (DUK_CAT_HAS_LEXENV_ACTIVE(cat)) {
- duk_hobject *prev_env;
+ /* The return value is already in its correct place at the stack,
+ * i.e. it has replaced the 'constructor' at index bc. Just reset
+ * top and we're done.
+ */
- /* 'with' binding has no catch clause, so can't be here unless a normal try-catch */
- DUK_ASSERT(DUK_CAT_HAS_CATCH_BINDING_ENABLED(cat));
- DUK_ASSERT(act->lex_env != NULL);
+#if !defined(DUK_USE_EXEC_FUN_LOCAL)
+ fun = DUK__FUN();
+#endif
+ duk_set_top(ctx, (duk_idx_t) fun->nregs);
+#else /* DUK_USE_EXEC_PREFER_SIZE */
+ /* Faster alternative is to duplicate the values to avoid a resize.
+ * This depends on the relative size between the value stack and
+ * the argument count, though.
+ */
+ count = a + 1;
+ duk_require_stack(ctx, count);
+ tv_src = DUK_GET_TVAL_POSIDX(ctx, bc);
+ duk__push_tvals_incref_only(thr, tv_src, count);
+ duk_new(ctx, (duk_idx_t) a); /* [... constructor arg1 ... argN] -> [retval] */
+ duk_replace(ctx, bc);
+#endif /* DUK_USE_EXEC_PREFER_SIZE */
- DUK_DDD(DUK_DDDPRINT("ENDCATCH: popping catcher part lexical environment"));
+ /* When debugger is enabled, we need to recheck the activation
+ * status after returning. This is now handled by call handling
+ * and heap->dbg_force_restart.
+ */
+ break;
+ }
- prev_env = act->lex_env;
- DUK_ASSERT(prev_env != NULL);
- act->lex_env = DUK_HOBJECT_GET_PROTOTYPE(thr->heap, prev_env);
- DUK_CAT_CLEAR_LEXENV_ACTIVE(cat);
- DUK_HOBJECT_DECREF(thr, prev_env); /* side effects */
- }
+ case DUK_OP_NEWOBJ: {
+ duk_context *ctx = (duk_context *) thr;
+ duk_push_object(ctx);
+ DUK__REPLACE_TOP_BC_BREAK();
+ }
- if (DUK_CAT_HAS_FINALLY_ENABLED(cat)) {
- DUK_DDD(DUK_DDDPRINT("ENDCATCH: finally part is active, jump through 2nd jump slot with 'normal continuation'"));
+ case DUK_OP_NEWARR: {
+ duk_context *ctx = (duk_context *) thr;
+ duk_push_array(ctx);
+ DUK__REPLACE_TOP_BC_BREAK();
+ }
- tv1 = thr->valstack + cat->idx_base;
- DUK_ASSERT(tv1 >= thr->valstack && tv1 < thr->valstack_top);
- DUK_TVAL_SET_UNDEFINED_UPDREF(thr, tv1); /* side effects */
- tv1 = NULL;
+ case DUK_OP_MPUTOBJ:
+ case DUK_OP_MPUTOBJI: {
+ duk_context *ctx = (duk_context *) thr;
+ duk_idx_t obj_idx;
+ duk_uint_fast_t idx, idx_end;
+ duk_small_uint_fast_t count;
- tv1 = thr->valstack + cat->idx_base + 1;
- DUK_ASSERT(tv1 >= thr->valstack && tv1 < thr->valstack_top);
- DUK_TVAL_SET_FASTINT_U32_UPDREF(thr, tv1, (duk_uint32_t) DUK_LJ_TYPE_NORMAL); /* side effects */
- tv1 = NULL;
+ /* A -> register of target object
+ * B -> first register of key/value pair list
+ * or register containing first register number if indirect
+ * C -> number of key/value pairs * 2
+ * (= number of value stack indices used starting from 'B')
+ */
- DUK_CAT_CLEAR_FINALLY_ENABLED(cat);
- } else {
- DUK_DDD(DUK_DDDPRINT("ENDCATCH: no finally part, dismantle catcher, jump through 2nd jump slot (to end of statement)"));
- duk_hthread_catchstack_unwind(thr, thr->catchstack_top - 1);
- /* no need to unwind callstack */
- }
+ obj_idx = DUK_DEC_A(ins);
+ DUK_ASSERT(duk_is_object(ctx, obj_idx));
- curr_pc = cat->pc_base + 1;
- break;
+ idx = (duk_uint_fast_t) DUK_DEC_B(ins);
+ if (DUK_DEC_OP(ins) == DUK_OP_MPUTOBJI) {
+ DUK__LOOKUP_INDIRECT_INDEX(idx);
}
- case DUK_EXTRAOP_ENDFIN: {
- duk_context *ctx = (duk_context *) thr;
- duk_catcher *cat;
- duk_tval *tv1;
- duk_small_uint_t cont_type;
- duk_small_uint_t ret_result;
-
- /* Sync and NULL early. */
- DUK__SYNC_AND_NULL_CURR_PC();
-
- DUK_ASSERT(thr->catchstack_top >= 1);
- DUK_ASSERT(thr->callstack_top >= 1);
- DUK_ASSERT(thr->catchstack[thr->catchstack_top - 1].callstack_index == thr->callstack_top - 1);
-
- cat = thr->catchstack + thr->catchstack_top - 1;
-
- /* CATCH flag may be enabled or disabled here; it may be enabled if
- * the statement has a catch block but the try block does not throw
- * an error.
- */
- DUK_ASSERT(!DUK_CAT_HAS_FINALLY_ENABLED(cat)); /* cleared before entering finally */
- /* XXX: assert idx_base */
-
- DUK_DDD(DUK_DDDPRINT("ENDFIN: completion value=%!T, type=%!T",
- (duk_tval *) (thr->valstack + cat->idx_base + 0),
- (duk_tval *) (thr->valstack + cat->idx_base + 1)));
-
- tv1 = thr->valstack + cat->idx_base + 1; /* type */
- DUK_ASSERT(DUK_TVAL_IS_NUMBER(tv1));
- cont_type = (duk_small_uint_t) DUK_TVAL_GET_NUMBER(tv1);
-
- switch (cont_type) {
- case DUK_LJ_TYPE_NORMAL: {
- DUK_DDD(DUK_DDDPRINT("ENDFIN: finally part finishing with 'normal' (non-abrupt) completion -> "
- "dismantle catcher, resume execution after ENDFIN"));
- duk_hthread_catchstack_unwind(thr, thr->catchstack_top - 1);
- /* no need to unwind callstack */
- goto restart_execution;
- }
- case DUK_LJ_TYPE_RETURN: {
- DUK_DDD(DUK_DDDPRINT("ENDFIN: finally part finishing with 'return' complation -> dismantle "
- "catcher, handle return, lj.value1=%!T", thr->valstack + cat->idx_base));
+ count = (duk_small_uint_fast_t) DUK_DEC_C(ins);
+ DUK_ASSERT(count > 0); /* compiler guarantees */
+ idx_end = idx + count;
- /* Not necessary to unwind catchstack: return handling will
- * do it. The finally flag of 'cat' is no longer set. The
- * catch flag may be set, but it's not checked by return handling.
- */
- DUK_ASSERT(!DUK_CAT_HAS_FINALLY_ENABLED(cat)); /* cleared before entering finally */
-#if 0
- duk_hthread_catchstack_unwind(thr, thr->catchstack_top - 1);
+#if defined(DUK_USE_EXEC_INDIRECT_BOUND_CHECK)
+ if (DUK_UNLIKELY(idx_end > (duk_uint_fast_t) duk_get_top(ctx))) {
+ /* XXX: use duk_is_valid_index() instead? */
+ /* XXX: improve check; check against nregs, not against top */
+ DUK__INTERNAL_ERROR("MPUTOBJ out of bounds");
+ }
#endif
- duk_push_tval(ctx, thr->valstack + cat->idx_base);
- ret_result = duk__handle_return(thr,
- entry_thread,
- entry_callstack_top);
- if (ret_result == DUK__RETHAND_RESTART) {
- goto restart_execution;
- }
- DUK_ASSERT(ret_result == DUK__RETHAND_FINISHED);
-
- DUK_DDD(DUK_DDDPRINT("exiting executor after ENDFIN and RETURN (pseudo) longjmp type"));
- return;
- }
- case DUK_LJ_TYPE_BREAK:
- case DUK_LJ_TYPE_CONTINUE: {
- duk_uint_t label_id;
- duk_small_uint_t lj_type;
-
- /* Not necessary to unwind catchstack: break/continue
- * handling will do it. The finally flag of 'cat' is
- * no longer set. The catch flag may be set, but it's
- * not checked by break/continue handling.
- */
-#if 0
- duk_hthread_catchstack_unwind(thr, thr->catchstack_top - 1);
-#endif
+ /* Use 'force' flag to duk_def_prop() to ensure that any
+ * inherited properties don't prevent the operation.
+ * With ES2015 duplicate properties are allowed, so that we
+ * must overwrite any previous data or accessor property.
+ *
+ * With ES2015 computed property names the literal keys
+ * may be arbitrary values and need to be ToPropertyKey()
+ * coerced at runtime.
+ */
+ do {
+ /* XXX: faster initialization (direct access or better primitives) */
+ duk_dup(ctx, idx);
+ duk_dup(ctx, idx + 1);
+ duk_def_prop(ctx, obj_idx, DUK_DEFPROP_HAVE_VALUE |
+ DUK_DEFPROP_FORCE |
+ DUK_DEFPROP_SET_WRITABLE |
+ DUK_DEFPROP_SET_ENUMERABLE |
+ DUK_DEFPROP_SET_CONFIGURABLE);
+ idx += 2;
+ } while (idx < idx_end);
+ break;
+ }
- tv1 = thr->valstack + cat->idx_base;
- DUK_ASSERT(DUK_TVAL_IS_NUMBER(tv1));
-#if defined(DUK_USE_FASTINT)
- DUK_ASSERT(DUK_TVAL_IS_FASTINT(tv1));
- label_id = (duk_small_uint_t) DUK_TVAL_GET_FASTINT_U32(tv1);
-#else
- label_id = (duk_small_uint_t) DUK_TVAL_GET_NUMBER(tv1);
-#endif
- lj_type = cont_type;
- duk__handle_break_or_continue(thr, label_id, lj_type);
- goto restart_execution;
- }
- default: {
- DUK_DDD(DUK_DDDPRINT("ENDFIN: finally part finishing with abrupt completion, lj_type=%ld -> "
- "dismantle catcher, re-throw error",
- (long) cont_type));
+ case DUK_OP_INITSET:
+ case DUK_OP_INITGET: {
+ duk_context *ctx = (duk_context *) thr;
+ duk_bool_t is_set = (op == DUK_OP_INITSET);
+ duk_uint_fast_t idx;
+ duk_uint_t defprop_flags;
- duk_push_tval(ctx, thr->valstack + cat->idx_base);
+ /* A -> object register (acts as a source)
+ * BC -> BC+0 contains key, BC+1 closure (value)
+ */
- duk_err_setup_heap_ljstate(thr, (duk_small_int_t) cont_type);
+ /* INITSET/INITGET are only used to initialize object literal keys.
+ * There may be a previous propery in ES2015 because duplicate property
+ * names are allowed.
+ */
- DUK_ASSERT(thr->heap->lj.jmpbuf_ptr != NULL); /* always in executor */
- duk_err_longjmp(thr);
- DUK_UNREACHABLE();
- }
- }
+ /* This could be made more optimal by accessing internals directly. */
- /* Must restart in all cases because we NULLed thr->ptr_curr_pc. */
- DUK_UNREACHABLE();
- break;
+ idx = (duk_uint_fast_t) DUK_DEC_BC(ins);
+ duk_dup(ctx, (duk_idx_t) (idx + 0)); /* key */
+ duk_dup(ctx, (duk_idx_t) (idx + 1)); /* getter/setter */
+ if (is_set) {
+ defprop_flags = DUK_DEFPROP_HAVE_SETTER |
+ DUK_DEFPROP_FORCE |
+ DUK_DEFPROP_SET_ENUMERABLE |
+ DUK_DEFPROP_SET_CONFIGURABLE;
+ } else {
+ defprop_flags = DUK_DEFPROP_HAVE_GETTER |
+ DUK_DEFPROP_FORCE |
+ DUK_DEFPROP_SET_ENUMERABLE |
+ DUK_DEFPROP_SET_CONFIGURABLE;
}
+ duk_def_prop(ctx, (duk_idx_t) DUK_DEC_A(ins), defprop_flags);
+ break;
+ }
- case DUK_EXTRAOP_THROW: {
- duk_context *ctx = (duk_context *) thr;
- duk_uint_fast_t bc = DUK_DEC_BC(ins);
-
- /* Note: errors are augmented when they are created, not
- * when they are thrown. So, don't augment here, it would
- * break re-throwing for instance.
- */
-
- /* Sync so that augmentation sees up-to-date activations, NULL
- * thr->ptr_curr_pc so that it's not used if side effects occur
- * in augmentation or longjmp handling.
- */
- DUK__SYNC_AND_NULL_CURR_PC();
+ case DUK_OP_MPUTARR:
+ case DUK_OP_MPUTARRI: {
+ duk_context *ctx = (duk_context *) thr;
+ duk_idx_t obj_idx;
+ duk_uint_fast_t idx, idx_end;
+ duk_small_uint_fast_t count;
+ duk_tval *tv1;
+ duk_uint32_t arr_idx;
- duk_dup(ctx, (duk_idx_t) bc);
- DUK_DDD(DUK_DDDPRINT("THROW ERROR (BYTECODE): %!dT (before throw augment)",
- (duk_tval *) duk_get_tval(ctx, -1)));
-#if defined(DUK_USE_AUGMENT_ERROR_THROW)
- duk_err_augment_error_throw(thr);
- DUK_DDD(DUK_DDDPRINT("THROW ERROR (BYTECODE): %!dT (after throw augment)",
- (duk_tval *) duk_get_tval(ctx, -1)));
-#endif
+ /* A -> register of target object
+ * B -> first register of value data (start_index, value1, value2, ..., valueN)
+ * or register containing first register number if indirect
+ * C -> number of key/value pairs (N)
+ */
- duk_err_setup_heap_ljstate(thr, DUK_LJ_TYPE_THROW);
+ obj_idx = DUK_DEC_A(ins);
+ DUK_ASSERT(duk_is_object(ctx, obj_idx));
- DUK_ASSERT(thr->heap->lj.jmpbuf_ptr != NULL); /* always in executor */
- duk_err_longjmp(thr);
- DUK_UNREACHABLE();
- break;
+ idx = (duk_uint_fast_t) DUK_DEC_B(ins);
+ if (DUK_DEC_OP(ins) == DUK_OP_MPUTARRI) {
+ DUK__LOOKUP_INDIRECT_INDEX(idx);
}
- case DUK_EXTRAOP_INVLHS: {
- DUK_ERROR(thr, DUK_ERR_REFERENCE_ERROR, "invalid lvalue");
-
- DUK_UNREACHABLE();
- break;
- }
+ count = (duk_small_uint_fast_t) DUK_DEC_C(ins);
+ DUK_ASSERT(count > 0 + 1); /* compiler guarantees */
+ idx_end = idx + count;
- case DUK_EXTRAOP_UNM:
- case DUK_EXTRAOP_UNP: {
- duk_uint_fast_t bc = DUK_DEC_BC(ins);
- duk__vm_arith_unary_op(thr, DUK__REGP(bc), bc, extraop);
- break;
+#if defined(DUK_USE_EXEC_INDIRECT_BOUND_CHECK)
+ if (idx_end > (duk_uint_fast_t) duk_get_top(ctx)) {
+ /* XXX: use duk_is_valid_index() instead? */
+ /* XXX: improve check; check against nregs, not against top */
+ DUK__INTERNAL_ERROR("MPUTARR out of bounds");
}
+#endif
- case DUK_EXTRAOP_DEBUGGER: {
- /* Opcode only emitted by compiler when debugger
- * support is enabled. Ignore it silently without
- * debugger support, in case it has been loaded
- * from precompiled bytecode.
- */
-#if defined(DUK_USE_DEBUGGER_SUPPORT)
- if (DUK_HEAP_IS_DEBUGGER_ATTACHED(thr->heap)) {
- DUK_D(DUK_DPRINT("DEBUGGER statement encountered, halt execution"));
- DUK__SYNC_AND_NULL_CURR_PC();
- duk_debug_halt_execution(thr, 1 /*use_prev_pc*/);
- DUK_D(DUK_DPRINT("DEBUGGER statement finished, resume execution"));
- goto restart_execution;
- } else {
- DUK_D(DUK_DPRINT("DEBUGGER statement ignored, debugger not attached"));
- }
+ tv1 = DUK__REGP(idx);
+ DUK_ASSERT(DUK_TVAL_IS_NUMBER(tv1));
+#if defined(DUK_USE_FASTINT)
+ DUK_ASSERT(DUK_TVAL_IS_FASTINT(tv1));
+ arr_idx = (duk_uint32_t) DUK_TVAL_GET_FASTINT_U32(tv1);
#else
- DUK_D(DUK_DPRINT("DEBUGGER statement ignored, no debugger support"));
+ arr_idx = (duk_uint32_t) DUK_TVAL_GET_NUMBER(tv1);
#endif
- break;
- }
+ idx++;
- case DUK_EXTRAOP_BREAK: {
- duk_uint_fast_t bc = DUK_DEC_BC(ins);
+ do {
+ /* duk_xdef_prop() will define an own property without any array
+ * special behaviors. We'll need to set the array length explicitly
+ * in the end. For arrays with elisions, the compiler will emit an
+ * explicit SETALEN which will update the length.
+ */
- DUK_DDD(DUK_DDDPRINT("BREAK: %ld", (long) bc));
+ /* XXX: because we're dealing with 'own' properties of a fresh array,
+ * the array initializer should just ensure that the array has a large
+ * enough array part and write the values directly into array part,
+ * and finally set 'length' manually in the end (as already happens now).
+ */
- DUK__SYNC_AND_NULL_CURR_PC();
- duk__handle_break_or_continue(thr, (duk_uint_t) bc, DUK_LJ_TYPE_BREAK);
- goto restart_execution;
- }
+ duk_dup(ctx, idx);
+ duk_xdef_prop_index_wec(ctx, obj_idx, arr_idx);
- case DUK_EXTRAOP_CONTINUE: {
- duk_uint_fast_t bc = DUK_DEC_BC(ins);
+ idx++;
+ arr_idx++;
+ } while (idx < idx_end);
- DUK_DDD(DUK_DDDPRINT("CONTINUE: %ld", (long) bc));
+ /* XXX: E5.1 Section 11.1.4 coerces the final length through
+ * ToUint32() which is odd but happens now as a side effect of
+ * 'arr_idx' type.
+ */
+ duk_set_length(thr, obj_idx, (duk_size_t) (duk_uarridx_t) arr_idx);
+ break;
+ }
- DUK__SYNC_AND_NULL_CURR_PC();
- duk__handle_break_or_continue(thr, (duk_uint_t) bc, DUK_LJ_TYPE_CONTINUE);
- goto restart_execution;
- }
+ case DUK_OP_SETALEN: {
+ duk_tval *tv1;
+ duk_hobject *h;
+ duk_uint32_t len;
- case DUK_EXTRAOP_BNOT: {
- duk_uint_fast_t bc = DUK_DEC_BC(ins);
+ tv1 = DUK__REGP_A(ins);
+ DUK_ASSERT(DUK_TVAL_IS_OBJECT(tv1));
+ h = DUK_TVAL_GET_OBJECT(tv1);
+ DUK_ASSERT(DUK_HOBJECT_IS_ARRAY(h));
- duk__vm_bitwise_not(thr, DUK__REGP(bc), bc);
- break;
- }
+ tv1 = DUK__REGP_BC(ins);
+ DUK_ASSERT(DUK_TVAL_IS_NUMBER(tv1));
+#if defined(DUK_USE_FASTINT)
+ DUK_ASSERT(DUK_TVAL_IS_FASTINT(tv1));
+ len = (duk_uint32_t) DUK_TVAL_GET_FASTINT_U32(tv1);
+#else
+ len = (duk_uint32_t) DUK_TVAL_GET_NUMBER(tv1);
+#endif
+ ((duk_harray *) h)->length = len;
+ break;
+ }
- case DUK_EXTRAOP_LNOT: {
- duk_uint_fast_t bc = DUK_DEC_BC(ins);
- duk_tval *tv1;
+ case DUK_OP_INITENUM: {
+ duk_context *ctx = (duk_context *) thr;
+ duk_small_uint_fast_t b = DUK_DEC_B(ins);
+ duk_small_uint_fast_t c = DUK_DEC_C(ins);
- tv1 = DUK__REGP(bc);
- duk__vm_logical_not(thr, tv1, tv1);
- break;
- }
+ /*
+ * Enumeration semantics come from for-in statement, E5 Section 12.6.4.
+ * If called with 'null' or 'undefined', this opcode returns 'null' as
+ * the enumerator, which is special cased in NEXTENUM. This simplifies
+ * the compiler part
+ */
- case DUK_EXTRAOP_INSTOF: {
- duk_context *ctx = (duk_context *) thr;
- duk_small_uint_fast_t b = DUK_DEC_B(ins);
- duk_small_uint_fast_t c = DUK_DEC_C(ins);
- duk_bool_t tmp;
+ /* B -> register for writing enumerator object
+ * C -> value to be enumerated (register)
+ */
- tmp = duk_js_instanceof(thr, DUK__REGP(b), DUK__REGCONSTP(c));
- duk_push_boolean(ctx, tmp);
+ if (duk_is_null_or_undefined(ctx, (duk_idx_t) c)) {
+ duk_push_null(ctx);
duk_replace(ctx, (duk_idx_t) b);
- break;
- }
-
- case DUK_EXTRAOP_IN: {
- duk_context *ctx = (duk_context *) thr;
- duk_small_uint_fast_t b = DUK_DEC_B(ins);
- duk_small_uint_fast_t c = DUK_DEC_C(ins);
- duk_bool_t tmp;
-
- tmp = duk_js_in(thr, DUK__REGP(b), DUK__REGCONSTP(c));
- duk_push_boolean(ctx, tmp);
+ } else {
+ duk_dup(ctx, (duk_idx_t) c);
+ duk_to_object(ctx, -1);
+ duk_hobject_enumerator_create(ctx, 0 /*enum_flags*/); /* [ ... val ] --> [ ... enum ] */
duk_replace(ctx, (duk_idx_t) b);
- break;
}
+ break;
+ }
- case DUK_EXTRAOP_LABEL: {
- duk_catcher *cat;
- duk_uint_fast_t bc = DUK_DEC_BC(ins);
-
- /* allocate catcher and populate it (should be atomic) */
+ case DUK_OP_NEXTENUM: {
+ duk_context *ctx = (duk_context *) thr;
+ duk_small_uint_fast_t b = DUK_DEC_B(ins);
+ duk_small_uint_fast_t c = DUK_DEC_C(ins);
- duk_hthread_catchstack_grow(thr);
- cat = thr->catchstack + thr->catchstack_top;
- thr->catchstack_top++;
+ /*
+ * NEXTENUM checks whether the enumerator still has unenumerated
+ * keys. If so, the next key is loaded to the target register
+ * and the next instruction is skipped. Otherwise the next instruction
+ * will be executed, jumping out of the enumeration loop.
+ */
- cat->flags = DUK_CAT_TYPE_LABEL | (bc << DUK_CAT_LABEL_SHIFT);
- cat->callstack_index = thr->callstack_top - 1;
- cat->pc_base = (duk_instr_t *) curr_pc; /* pre-incremented, points to first jump slot */
- cat->idx_base = 0; /* unused for label */
- cat->h_varname = NULL;
+ /* B -> target register for next key
+ * C -> enum register
+ */
- DUK_DDD(DUK_DDDPRINT("LABEL catcher: flags=0x%08lx, callstack_index=%ld, pc_base=%ld, "
- "idx_base=%ld, h_varname=%!O, label_id=%ld",
- (long) cat->flags, (long) cat->callstack_index, (long) cat->pc_base,
- (long) cat->idx_base, (duk_heaphdr *) cat->h_varname, (long) DUK_CAT_GET_LABEL(cat)));
+ DUK_DDD(DUK_DDDPRINT("NEXTENUM: b->%!T, c->%!T",
+ (duk_tval *) duk_get_tval(ctx, (duk_idx_t) b),
+ (duk_tval *) duk_get_tval(ctx, (duk_idx_t) c)));
- curr_pc += 2; /* skip jump slots */
- break;
+ if (duk_is_object(ctx, (duk_idx_t) c)) {
+ /* XXX: assert 'c' is an enumerator */
+ duk_dup(ctx, (duk_idx_t) c);
+ if (duk_hobject_enumerator_next(ctx, 0 /*get_value*/)) {
+ /* [ ... enum ] -> [ ... next_key ] */
+ DUK_DDD(DUK_DDDPRINT("enum active, next key is %!T, skip jump slot ",
+ (duk_tval *) duk_get_tval(ctx, -1)));
+ curr_pc++;
+ } else {
+ /* [ ... enum ] -> [ ... ] */
+ DUK_DDD(DUK_DDDPRINT("enum finished, execute jump slot"));
+ DUK_ASSERT(DUK_TVAL_IS_UNDEFINED(thr->valstack_top)); /* valstack policy */
+ thr->valstack_top++;
+ }
+ duk_replace(ctx, (duk_idx_t) b);
+ } else {
+ /* 'null' enumerator case -> behave as with an empty enumerator */
+ DUK_ASSERT(duk_is_null(ctx, (duk_idx_t) c));
+ DUK_DDD(DUK_DDDPRINT("enum is null, execute jump slot"));
}
+ break;
+ }
- case DUK_EXTRAOP_ENDLABEL: {
- duk_catcher *cat;
-#if defined(DUK_USE_DDDPRINT) || defined(DUK_USE_ASSERTIONS)
- duk_uint_fast_t bc = DUK_DEC_BC(ins);
-#endif
-#if defined(DUK_USE_DDDPRINT)
- DUK_DDD(DUK_DDDPRINT("ENDLABEL %ld", (long) bc));
-#endif
-
- DUK_ASSERT(thr->catchstack_top >= 1);
-
- cat = thr->catchstack + thr->catchstack_top - 1;
- DUK_UNREF(cat);
- DUK_ASSERT(DUK_CAT_GET_TYPE(cat) == DUK_CAT_TYPE_LABEL);
- DUK_ASSERT((duk_uint_fast_t) DUK_CAT_GET_LABEL(cat) == bc);
-
- duk_hthread_catchstack_unwind(thr, thr->catchstack_top - 1);
- /* no need to unwind callstack */
- break;
- }
+ case DUK_OP_INVLHS: {
+ DUK_ERROR_REFERENCE(thr, DUK_STR_INVALID_LVALUE);
+ DUK_UNREACHABLE();
+ break;
+ }
- default: {
- DUK__INTERNAL_ERROR("invalid extra opcode");
+ case DUK_OP_DEBUGGER: {
+ /* Opcode only emitted by compiler when debugger
+ * support is enabled. Ignore it silently without
+ * debugger support, in case it has been loaded
+ * from precompiled bytecode.
+ */
+#if defined(DUK_USE_DEBUGGER_SUPPORT)
+ if (DUK_HEAP_IS_DEBUGGER_ATTACHED(thr->heap)) {
+ DUK_D(DUK_DPRINT("DEBUGGER statement encountered, halt execution"));
+ DUK__SYNC_AND_NULL_CURR_PC();
+ duk_debug_halt_execution(thr, 1 /*use_prev_pc*/);
+ DUK_D(DUK_DPRINT("DEBUGGER statement finished, resume execution"));
+ goto restart_execution;
+ } else {
+ DUK_D(DUK_DPRINT("DEBUGGER statement ignored, debugger not attached"));
}
+#else
+ DUK_D(DUK_DPRINT("DEBUGGER statement ignored, no debugger support"));
+#endif
+ break;
+ }
- } /* end switch */
+ case DUK_OP_NOP: {
+ /* nop */
+ break;
+ }
+ case DUK_OP_INVALID: {
+ DUK_ERROR_FMT1(thr, DUK_ERR_ERROR, "INVALID opcode (%ld)", (long) DUK_DEC_ABC(ins));
break;
}
- default: {
- /* this should never be possible, because the switch-case is
- * comprehensive
+#if !defined(DUK_USE_EXEC_PREFER_SIZE)
+#if !defined(DUK_USE_ES7_EXP_OPERATOR)
+ case DUK_OP_EXP_RR:
+ case DUK_OP_EXP_CR:
+ case DUK_OP_EXP_RC:
+ case DUK_OP_EXP_CC:
+#endif
+ case DUK_OP_UNUSED194:
+ case DUK_OP_UNUSED195:
+ case DUK_OP_UNUSED196:
+ case DUK_OP_UNUSED197:
+ case DUK_OP_UNUSED198:
+ case DUK_OP_UNUSED199:
+ case DUK_OP_UNUSED200:
+ case DUK_OP_UNUSED201:
+ case DUK_OP_UNUSED202:
+ case DUK_OP_UNUSED203:
+ case DUK_OP_UNUSED204:
+ case DUK_OP_UNUSED205:
+ case DUK_OP_UNUSED206:
+ case DUK_OP_UNUSED207:
+ case DUK_OP_UNUSED208:
+ case DUK_OP_UNUSED209:
+ case DUK_OP_UNUSED210:
+ case DUK_OP_UNUSED211:
+ case DUK_OP_UNUSED212:
+ case DUK_OP_UNUSED213:
+ case DUK_OP_UNUSED214:
+ case DUK_OP_UNUSED215:
+ case DUK_OP_UNUSED216:
+ case DUK_OP_UNUSED217:
+ case DUK_OP_UNUSED218:
+ case DUK_OP_UNUSED219:
+ case DUK_OP_UNUSED220:
+ case DUK_OP_UNUSED221:
+ case DUK_OP_UNUSED222:
+ case DUK_OP_UNUSED223:
+ case DUK_OP_UNUSED224:
+ case DUK_OP_UNUSED225:
+ case DUK_OP_UNUSED226:
+ case DUK_OP_UNUSED227:
+ case DUK_OP_UNUSED228:
+ case DUK_OP_UNUSED229:
+ case DUK_OP_UNUSED230:
+ case DUK_OP_UNUSED231:
+ case DUK_OP_UNUSED232:
+ case DUK_OP_UNUSED233:
+ case DUK_OP_UNUSED234:
+ case DUK_OP_UNUSED235:
+ case DUK_OP_UNUSED236:
+ case DUK_OP_UNUSED237:
+ case DUK_OP_UNUSED238:
+ case DUK_OP_UNUSED239:
+ case DUK_OP_UNUSED240:
+ case DUK_OP_UNUSED241:
+ case DUK_OP_UNUSED242:
+ case DUK_OP_UNUSED243:
+ case DUK_OP_UNUSED244:
+ case DUK_OP_UNUSED245:
+ case DUK_OP_UNUSED246:
+ case DUK_OP_UNUSED247:
+ case DUK_OP_UNUSED248:
+ case DUK_OP_UNUSED249:
+ case DUK_OP_UNUSED250:
+ case DUK_OP_UNUSED251:
+ case DUK_OP_UNUSED252:
+ case DUK_OP_UNUSED253:
+ case DUK_OP_UNUSED254:
+ case DUK_OP_UNUSED255: {
+ /* Force all case clauses to map to an actual handler
+ * so that the compiler can emit a jump without a bounds
+ * check: the switch argument is a duk_uint8_t so that
+ * the compiler may be able to figure it out. This is
+ * a small detail and obviously compiler dependent.
*/
+ volatile duk_small_int_t dummy_volatile;
+ dummy_volatile = 0;
+ DUK_UNREF(dummy_volatile);
+ DUK_D(DUK_DPRINT("invalid opcode: %ld - %!I", (long) op, ins));
+ DUK__INTERNAL_ERROR("invalid opcode");
+ break;
+ }
+#endif /* DUK_USE_EXEC_PREFER_SIZE */
+ default: {
+ /* Default case catches invalid/unsupported opcodes. */
+ DUK_D(DUK_DPRINT("invalid opcode: %ld - %!I", (long) op, ins));
DUK__INTERNAL_ERROR("invalid opcode");
break;
}
} /* end switch */
+
+ continue;
+
+ /* Some shared exit paths for opcode handling below. These
+ * are mostly useful to reduce code footprint when multiple
+ * opcodes have a similar epilogue (like replacing stack top
+ * with index 'a').
+ */
+
+#if defined(DUK_USE_EXEC_PREFER_SIZE)
+ replace_top_a:
+ DUK__REPLACE_TO_TVPTR(thr, DUK__REGP_A(ins));
+ continue;
+ replace_top_bc:
+ DUK__REPLACE_TO_TVPTR(thr, DUK__REGP_BC(ins));
+ continue;
+#endif
}
DUK_UNREACHABLE();
-#ifndef DUK_USE_VERBOSE_EXECUTOR_ERRORS
+#if !defined(DUK_USE_VERBOSE_EXECUTOR_ERRORS)
internal_error:
- DUK_ERROR_INTERNAL(thr, "internal error in bytecode executor");
+ DUK_ERROR_INTERNAL(thr);
#endif
}
+/* automatic undefs */
+#undef DUK__BYTEOFF_A
+#undef DUK__BYTEOFF_B
+#undef DUK__BYTEOFF_BC
+#undef DUK__BYTEOFF_C
+#undef DUK__COMPARE_BODY
+#undef DUK__CONST
+#undef DUK__CONSTP
+#undef DUK__CONSTP_A
+#undef DUK__CONSTP_B
+#undef DUK__CONSTP_BC
+#undef DUK__CONSTP_C
+#undef DUK__DELPROP_BODY
+#undef DUK__EQ_BODY
+#undef DUK__FUN
+#undef DUK__GETPROP_BODY
+#undef DUK__GE_BODY
+#undef DUK__GT_BODY
+#undef DUK__INLINE_PERF
+#undef DUK__INSTOF_BODY
+#undef DUK__INTERNAL_ERROR
+#undef DUK__INT_NOACTION
+#undef DUK__INT_RESTART
+#undef DUK__IN_BODY
+#undef DUK__LE_BODY
#undef DUK__LONGJMP_RESTART
-#undef DUK__LONGJMP_FINISHED
#undef DUK__LONGJMP_RETHROW
-
-#undef DUK__RETHAND_RESTART
-#undef DUK__RETHAND_FINISHED
-
-#undef DUK__FUN
-#undef DUK__STRICT
+#undef DUK__LOOKUP_INDIRECT_INDEX
+#undef DUK__LT_BODY
+#undef DUK__MASK_A
+#undef DUK__MASK_B
+#undef DUK__MASK_BC
+#undef DUK__MASK_C
+#undef DUK__NEQ_BODY
+#undef DUK__PUTPROP_BODY
+#undef DUK__RCBIT_B
+#undef DUK__RCBIT_C
#undef DUK__REG
+#undef DUK__REGCONSTP_B
+#undef DUK__REGCONSTP_C
#undef DUK__REGP
-#undef DUK__CONST
-#undef DUK__CONSTP
-#undef DUK__RCISREG
-#undef DUK__REGCONST
-#undef DUK__REGCONSTP
-
-#undef DUK__INTERNAL_ERROR
-#undef DUK__SYNC_CURR_PC
+#undef DUK__REGP_A
+#undef DUK__REGP_B
+#undef DUK__REGP_BC
+#undef DUK__REGP_C
+#undef DUK__REPLACE_BOOL_A_BREAK
+#undef DUK__REPLACE_TOP_A_BREAK
+#undef DUK__REPLACE_TOP_BC_BREAK
+#undef DUK__REPLACE_TO_TVPTR
+#undef DUK__RETHAND_FINISHED
+#undef DUK__RETHAND_RESTART
+#undef DUK__RETURN_SHARED
+#undef DUK__SEQ_BODY
+#undef DUK__SHIFT_A
+#undef DUK__SHIFT_B
+#undef DUK__SHIFT_BC
+#undef DUK__SHIFT_C
+#undef DUK__SNEQ_BODY
+#undef DUK__STRICT
#undef DUK__SYNC_AND_NULL_CURR_PC
-#line 1 "duk_js_ops.c"
+#undef DUK__SYNC_CURR_PC
+#undef DUK__TVAL_SHIFT
/*
* Ecmascript specification algorithm and conversion helpers.
*
- * These helpers encapsulate the primitive Ecmascript operation
- * semantics, and are used by the bytecode executor and the API
- * (among other places). Note that some primitives are only
- * implemented as part of the API and have no "internal" helper.
- * (This is the case when an internal helper would not really be
- * useful; e.g. the operation is rare, uses value stack heavily,
- * etc.)
+ * These helpers encapsulate the primitive Ecmascript operation semantics,
+ * and are used by the bytecode executor and the API (among other places).
+ * Some primitives are only implemented as part of the API and have no
+ * "internal" helper. This is the case when an internal helper would not
+ * really be useful; e.g. the operation is rare, uses value stack heavily,
+ * etc.
*
* The operation arguments depend on what is required to implement
* the operation:
@@ -69961,13 +73716,7 @@ DUK_LOCAL DUK_NOINLINE void duk__js_execute_bytecode_inner(duk_hthread *entry_th
* in-place coercion is OK for the bytecode executor and the API.
*/
-/* include removed: duk_internal.h */
-
-/*
- * [[DefaultValue]] (E5 Section 8.12.8)
- *
- * ==> implemented in the API.
- */
+/* #include duk_internal.h -> already included */
/*
* ToPrimitive() (E5 Section 9.1)
@@ -69985,8 +73734,13 @@ DUK_INTERNAL duk_bool_t duk_js_toboolean(duk_tval *tv) {
case DUK_TAG_NULL:
return 0;
case DUK_TAG_BOOLEAN:
+ DUK_ASSERT(DUK_TVAL_GET_BOOLEAN(tv) == 0 || DUK_TVAL_GET_BOOLEAN(tv) == 1);
return DUK_TVAL_GET_BOOLEAN(tv);
case DUK_TAG_STRING: {
+ /* Symbols ToBoolean() coerce to true, regardless of their
+ * description. This happens with no explicit check because
+ * of the symbol representation byte prefix.
+ */
duk_hstring *h = DUK_TVAL_GET_STRING(tv);
DUK_ASSERT(h != NULL);
return (DUK_HSTRING_GET_BYTELEN(h) > 0 ? 1 : 0);
@@ -69995,10 +73749,10 @@ DUK_INTERNAL duk_bool_t duk_js_toboolean(duk_tval *tv) {
return 1;
}
case DUK_TAG_BUFFER: {
- /* mimic semantics for strings */
- duk_hbuffer *h = DUK_TVAL_GET_BUFFER(tv);
- DUK_ASSERT(h != NULL);
- return (DUK_HBUFFER_GET_SIZE(h) > 0 ? 1 : 0);
+ /* Mimic Uint8Array semantics: objects coerce true, regardless
+ * of buffer length (zero or not) or context.
+ */
+ return 1;
}
case DUK_TAG_POINTER: {
void *p = DUK_TVAL_GET_POINTER(tv);
@@ -70018,16 +73772,23 @@ DUK_INTERNAL duk_bool_t duk_js_toboolean(duk_tval *tv) {
default: {
/* number */
duk_double_t d;
+#if defined(DUK_USE_PREFER_SIZE)
int c;
+#endif
DUK_ASSERT(!DUK_TVAL_IS_UNUSED(tv));
DUK_ASSERT(DUK_TVAL_IS_DOUBLE(tv));
d = DUK_TVAL_GET_DOUBLE(tv);
+#if defined(DUK_USE_PREFER_SIZE)
c = DUK_FPCLASSIFY((double) d);
if (c == DUK_FP_ZERO || c == DUK_FP_NAN) {
return 0;
} else {
return 1;
}
+#else
+ DUK_ASSERT(duk_double_is_nan_or_zero(d) == 0 || duk_double_is_nan_or_zero(d) == 1);
+ return duk_double_is_nan_or_zero(d) ^ 1;
+#endif
}
}
DUK_UNREACHABLE();
@@ -70067,6 +73828,8 @@ DUK_LOCAL duk_double_t duk__tonumber_string_raw(duk_hthread *thr) {
duk_small_uint_t s2n_flags;
duk_double_t d;
+ DUK_ASSERT(duk_is_string(ctx, -1));
+
/* Quite lenient, e.g. allow empty as zero, but don't allow trailing
* garbage.
*/
@@ -70080,11 +73843,23 @@ DUK_LOCAL duk_double_t duk__tonumber_string_raw(duk_hthread *thr) {
DUK_S2N_FLAG_ALLOW_EMPTY_FRAC |
DUK_S2N_FLAG_ALLOW_EMPTY_AS_ZERO |
DUK_S2N_FLAG_ALLOW_LEADING_ZERO |
- DUK_S2N_FLAG_ALLOW_AUTO_HEX_INT;
+ DUK_S2N_FLAG_ALLOW_AUTO_HEX_INT |
+ DUK_S2N_FLAG_ALLOW_AUTO_OCT_INT |
+ DUK_S2N_FLAG_ALLOW_AUTO_BIN_INT;
duk_numconv_parse(ctx, 10 /*radix*/, s2n_flags);
+
+#if defined(DUK_USE_PREFER_SIZE)
d = duk_get_number(ctx, -1);
duk_pop(ctx);
+#else
+ thr->valstack_top--;
+ DUK_ASSERT(DUK_TVAL_IS_NUMBER(thr->valstack_top));
+ DUK_ASSERT(DUK_TVAL_IS_DOUBLE(thr->valstack_top)); /* no fastint conversion in numconv now */
+ DUK_ASSERT(!DUK_TVAL_NEEDS_REFCOUNT_UPDATE(thr->valstack_top));
+ d = DUK_TVAL_GET_DOUBLE(thr->valstack_top); /* assumes not a fastint */
+ DUK_TVAL_SET_UNDEFINED(thr->valstack_top);
+#endif
return d;
}
@@ -70114,35 +73889,29 @@ DUK_INTERNAL duk_double_t duk_js_tonumber(duk_hthread *thr, duk_tval *tv) {
return 0.0;
}
case DUK_TAG_STRING: {
+ /* For Symbols ToNumber() is always a TypeError. */
duk_hstring *h = DUK_TVAL_GET_STRING(tv);
+ if (DUK_HSTRING_HAS_SYMBOL(h)) {
+ DUK_ERROR_TYPE(thr, DUK_STR_CANNOT_NUMBER_COERCE_SYMBOL);
+ }
duk_push_hstring(ctx, h);
return duk__tonumber_string_raw(thr);
}
+ case DUK_TAG_BUFFER: /* plain buffer treated like object */
case DUK_TAG_OBJECT: {
- /* Note: ToPrimitive(object,hint) == [[DefaultValue]](object,hint),
- * so use [[DefaultValue]] directly.
- */
duk_double_t d;
duk_push_tval(ctx, tv);
- duk_to_defaultvalue(ctx, -1, DUK_HINT_NUMBER); /* 'tv' becomes invalid */
+ duk_to_primitive(ctx, -1, DUK_HINT_NUMBER); /* 'tv' becomes invalid */
/* recursive call for a primitive value (guaranteed not to cause second
* recursion).
*/
- d = duk_js_tonumber(thr, duk_require_tval(ctx, -1));
+ DUK_ASSERT(duk_get_tval(ctx, -1) != NULL);
+ d = duk_js_tonumber(thr, duk_get_tval(ctx, -1));
duk_pop(ctx);
return d;
}
- case DUK_TAG_BUFFER: {
- /* Coerce like a string. This makes sense because addition also treats
- * buffers like strings.
- */
- duk_hbuffer *h = DUK_TVAL_GET_BUFFER(tv);
- duk_push_hbuffer(ctx, h);
- duk_to_string(ctx, -1); /* XXX: expensive, but numconv now expects to see a string */
- return duk__tonumber_string_raw(thr);
- }
case DUK_TAG_POINTER: {
/* Coerce like boolean */
void *p = DUK_TVAL_GET_POINTER(tv);
@@ -70173,23 +73942,33 @@ DUK_INTERNAL duk_double_t duk_js_tonumber(duk_hthread *thr, duk_tval *tv) {
/* exposed, used by e.g. duk_bi_date.c */
DUK_INTERNAL duk_double_t duk_js_tointeger_number(duk_double_t x) {
+#if defined(DUK_USE_PREFER_SIZE)
duk_small_int_t c = (duk_small_int_t) DUK_FPCLASSIFY(x);
- if (c == DUK_FP_NAN) {
+ if (DUK_UNLIKELY(c == DUK_FP_NAN)) {
return 0.0;
- } else if (c == DUK_FP_ZERO || c == DUK_FP_INFINITE) {
- /* XXX: FP_ZERO check can be removed, the else clause handles it
- * correctly (preserving sign).
- */
+ } else if (DUK_UNLIKELY(c == DUK_FP_INFINITE)) {
return x;
} else {
- duk_small_int_t s = (duk_small_int_t) DUK_SIGNBIT(x);
- x = DUK_FLOOR(DUK_FABS(x)); /* truncate towards zero */
- if (s) {
- x = -x;
+ /* Finite, including neg/pos zero. Neg zero sign must be
+ * preserved.
+ */
+ return duk_double_trunc_towards_zero(x);
+ }
+#else /* DUK_USE_PREFER_SIZE */
+ /* NaN and Infinity have the same exponent so it's a cheap
+ * initial check for the rare path.
+ */
+ if (DUK_UNLIKELY(duk_double_is_nan_or_inf(x))) {
+ if (duk_double_is_nan(x)) {
+ return 0.0;
+ } else {
+ return x;
}
- return x;
+ } else {
+ return duk_double_trunc_towards_zero(x);
}
+#endif /* DUK_USE_PREFER_SIZE */
}
DUK_INTERNAL duk_double_t duk_js_tointeger(duk_hthread *thr, duk_tval *tv) {
@@ -70204,20 +73983,23 @@ DUK_INTERNAL duk_double_t duk_js_tointeger(duk_hthread *thr, duk_tval *tv) {
/* combined algorithm matching E5 Sections 9.5 and 9.6 */
DUK_LOCAL duk_double_t duk__toint32_touint32_helper(duk_double_t x, duk_bool_t is_toint32) {
- duk_small_int_t c = (duk_small_int_t) DUK_FPCLASSIFY(x);
- duk_small_int_t s;
+#if defined (DUK_USE_PREFER_SIZE)
+ duk_small_int_t c;
+#endif
+#if defined (DUK_USE_PREFER_SIZE)
+ c = (duk_small_int_t) DUK_FPCLASSIFY(x);
if (c == DUK_FP_NAN || c == DUK_FP_ZERO || c == DUK_FP_INFINITE) {
return 0.0;
}
-
+#else
+ if (duk_double_is_nan_zero_inf(x)) {
+ return 0.0;
+ }
+#endif
/* x = sign(x) * floor(abs(x)), i.e. truncate towards zero, keep sign */
- s = (duk_small_int_t) DUK_SIGNBIT(x);
- x = DUK_FLOOR(DUK_FABS(x));
- if (s) {
- x = -x;
- }
+ x = duk_double_trunc_towards_zero(x);
/* NOTE: fmod(x) result sign is same as sign of x, which
* differs from what Javascript wants (see Section 9.6).
@@ -70228,7 +74010,7 @@ DUK_LOCAL duk_double_t duk__toint32_touint32_helper(duk_double_t x, duk_bool_t i
if (x < 0.0) {
x += DUK_DOUBLE_2TO32;
}
- /* -> x in [0, 2**32[ */
+ DUK_ASSERT(x >= 0 && x < DUK_DOUBLE_2TO32); /* -> x in [0, 2**32[ */
if (is_toint32) {
if (x >= DUK_DOUBLE_2TO31) {
@@ -70284,58 +74066,13 @@ DUK_INTERNAL duk_uint16_t duk_js_touint16(duk_hthread *thr, duk_tval *tv) {
/*
* ToString() (E5 Section 9.8)
- *
- * ==> implemented in the API.
- */
-
-/*
* ToObject() (E5 Section 9.9)
- *
- * ==> implemented in the API.
- */
-
-/*
* CheckObjectCoercible() (E5 Section 9.10)
- *
- * Note: no API equivalent now.
- */
-
-#if 0 /* unused */
-DUK_INTERNAL void duk_js_checkobjectcoercible(duk_hthread *thr, duk_tval *tv_x) {
- duk_small_uint_t tag = DUK_TVAL_GET_TAG(tv_x);
-
- /* Note: this must match ToObject() behavior */
-
- if (tag == DUK_TAG_UNDEFINED ||
- tag == DUK_TAG_NULL ||
- tag == DUK_TAG_POINTER ||
- tag == DUK_TAG_BUFFER) {
- DUK_ERROR_TYPE(thr, "not object coercible");
- }
-}
-#endif
-
-/*
* IsCallable() (E5 Section 9.11)
*
- * XXX: API equivalent is a separate implementation now, and this has
- * currently no callers.
+ * ==> implemented in the API.
*/
-#if 0 /* unused */
-DUK_INTERNAL duk_bool_t duk_js_iscallable(duk_tval *tv_x) {
- duk_hobject *obj;
-
- if (!DUK_TVAL_IS_OBJECT(tv_x)) {
- return 0;
- }
- obj = DUK_TVAL_GET_OBJECT(tv_x);
- DUK_ASSERT(obj != NULL);
-
- return DUK_HOBJECT_IS_CALLABLE(obj);
-}
-#endif
-
/*
* Loose equality, strict equality, and SameValue (E5 Sections 11.9.1, 11.9.4,
* 9.12). These have much in common so they can share some helpers.
@@ -70407,8 +74144,8 @@ DUK_LOCAL duk_bool_t duk__js_samevalue_number(duk_double_t x, duk_double_t y) {
*
* signbit(x) == signbit(y)
*/
- duk_small_int_t sx = (DUK_SIGNBIT(x) ? 1 : 0);
- duk_small_int_t sy = (DUK_SIGNBIT(y) ? 1 : 0);
+ duk_small_int_t sx = DUK_SIGNBIT(x) ? 1 : 0;
+ duk_small_int_t sy = DUK_SIGNBIT(y) ? 1 : 0;
return (sx == sy);
}
@@ -70435,14 +74172,12 @@ DUK_LOCAL duk_bool_t duk__js_samevalue_number(duk_double_t x, duk_double_t y) {
*
* signbit(x) == signbit(y)
*/
- duk_small_int_t sx = (DUK_SIGNBIT(x) ? 1 : 0);
- duk_small_int_t sy = (DUK_SIGNBIT(y) ? 1 : 0);
- return (sx == sy);
+ return duk_double_same_sign(x, y);
}
return 1;
} else {
/* IEEE requires that zeros compare the same regardless
- * of their signed, so if both x and y are zeroes, they
+ * of their sign, so if both x and y are zeroes, they
* are caught above.
*/
DUK_ASSERT(!(DUK_FPCLASSIFY(x) == DUK_FP_ZERO && DUK_FPCLASSIFY(y) == DUK_FP_ZERO));
@@ -70461,7 +74196,8 @@ DUK_LOCAL duk_bool_t duk__js_samevalue_number(duk_double_t x, duk_double_t y) {
DUK_INTERNAL duk_bool_t duk_js_equals_helper(duk_hthread *thr, duk_tval *tv_x, duk_tval *tv_y, duk_small_int_t flags) {
duk_context *ctx = (duk_context *) thr;
- duk_tval *tv_tmp;
+ duk_uint_t type_mask_x;
+ duk_uint_t type_mask_y;
/* If flags != 0 (strict or SameValue), thr can be NULL. For loose
* equals comparison it must be != NULL.
@@ -70486,15 +74222,19 @@ DUK_INTERNAL duk_bool_t duk_js_equals_helper(duk_hthread *thr, duk_tval *tv_x, d
else
#endif
if (DUK_TVAL_IS_NUMBER(tv_x) && DUK_TVAL_IS_NUMBER(tv_y)) {
- /* Catches both doubles and cases where only one argument is a fastint */
+ duk_double_t d1, d2;
+
+ /* Catches both doubles and cases where only one argument is
+ * a fastint so can't assume a double.
+ */
+ d1 = DUK_TVAL_GET_NUMBER(tv_x);
+ d2 = DUK_TVAL_GET_NUMBER(tv_y);
if (DUK_UNLIKELY((flags & DUK_EQUALS_FLAG_SAMEVALUE) != 0)) {
/* SameValue */
- return duk__js_samevalue_number(DUK_TVAL_GET_NUMBER(tv_x),
- DUK_TVAL_GET_NUMBER(tv_y));
+ return duk__js_samevalue_number(d1, d2);
} else {
/* equals and strict equals */
- return duk__js_equals_number(DUK_TVAL_GET_NUMBER(tv_x),
- DUK_TVAL_GET_NUMBER(tv_y));
+ return duk__js_equals_number(d1, d2);
}
} else if (DUK_TVAL_GET_TAG(tv_x) == DUK_TVAL_GET_TAG(tv_y)) {
switch (DUK_TVAL_GET_TAG(tv_x)) {
@@ -70510,34 +74250,19 @@ DUK_INTERNAL duk_bool_t duk_js_equals_helper(duk_hthread *thr, duk_tval *tv_x, d
}
case DUK_TAG_STRING:
case DUK_TAG_OBJECT: {
- /* heap pointer comparison suffices */
+ /* Heap pointer comparison suffices for strings and objects.
+ * Symbols compare equal if they have the same internal
+ * representation; again heap pointer comparison suffices.
+ */
return DUK_TVAL_GET_HEAPHDR(tv_x) == DUK_TVAL_GET_HEAPHDR(tv_y);
}
case DUK_TAG_BUFFER: {
- if ((flags & (DUK_EQUALS_FLAG_STRICT | DUK_EQUALS_FLAG_SAMEVALUE)) != 0) {
- /* heap pointer comparison suffices */
- return DUK_TVAL_GET_HEAPHDR(tv_x) == DUK_TVAL_GET_HEAPHDR(tv_y);
- } else {
- /* non-strict equality for buffers compares contents */
- duk_hbuffer *h_x = DUK_TVAL_GET_BUFFER(tv_x);
- duk_hbuffer *h_y = DUK_TVAL_GET_BUFFER(tv_y);
- duk_size_t len_x = DUK_HBUFFER_GET_SIZE(h_x);
- duk_size_t len_y = DUK_HBUFFER_GET_SIZE(h_y);
- void *buf_x;
- void *buf_y;
- if (len_x != len_y) {
- return 0;
- }
- buf_x = (void *) DUK_HBUFFER_GET_DATA_PTR(thr->heap, h_x);
- buf_y = (void *) DUK_HBUFFER_GET_DATA_PTR(thr->heap, h_y);
- /* if len_x == len_y == 0, buf_x and/or buf_y may
- * be NULL, but that's OK.
- */
- DUK_ASSERT(len_x == len_y);
- DUK_ASSERT(len_x == 0 || buf_x != NULL);
- DUK_ASSERT(len_y == 0 || buf_y != NULL);
- return (DUK_MEMCMP((const void *) buf_x, (const void *) buf_y, (size_t) len_x) == 0) ? 1 : 0;
- }
+ /* In Duktape 2.x plain buffers mimic Uint8Array objects
+ * so always compare by heap pointer. In Duktape 1.x
+ * strict comparison would compare heap pointers and
+ * non-strict would compare contents.
+ */
+ return DUK_TVAL_GET_HEAPHDR(tv_x) == DUK_TVAL_GET_HEAPHDR(tv_y);
}
case DUK_TAG_LIGHTFUNC: {
/* At least 'magic' has a significant impact on function
@@ -70579,95 +74304,78 @@ DUK_INTERNAL duk_bool_t duk_js_equals_helper(duk_hthread *thr, duk_tval *tv_x, d
* code size.
*/
+ type_mask_x = duk_get_type_mask_tval(tv_x);
+ type_mask_y = duk_get_type_mask_tval(tv_y);
+
/* Undefined/null are considered equal (e.g. "null == undefined" -> true). */
- if ((DUK_TVAL_IS_UNDEFINED(tv_x) && DUK_TVAL_IS_NULL(tv_y)) ||
- (DUK_TVAL_IS_NULL(tv_x) && DUK_TVAL_IS_UNDEFINED(tv_y))) {
+ if ((type_mask_x & (DUK_TYPE_MASK_UNDEFINED | DUK_TYPE_MASK_NULL)) &&
+ (type_mask_y & (DUK_TYPE_MASK_NULL | DUK_TYPE_MASK_UNDEFINED))) {
return 1;
}
- /* Number/string-or-buffer -> coerce string to number (e.g. "'1.5' == 1.5" -> true). */
- if (DUK_TVAL_IS_NUMBER(tv_x) && (DUK_TVAL_IS_STRING(tv_y) || DUK_TVAL_IS_BUFFER(tv_y))) {
- /* the next 'if' is guaranteed to match after swap */
- tv_tmp = tv_x;
- tv_x = tv_y;
- tv_y = tv_tmp;
+ /* Number/string -> coerce string to number (e.g. "'1.5' == 1.5" -> true). */
+ if ((type_mask_x & DUK_TYPE_MASK_NUMBER) && (type_mask_y & DUK_TYPE_MASK_STRING)) {
+ if (!DUK_TVAL_STRING_IS_SYMBOL(tv_y)) {
+ duk_double_t d1, d2;
+ d1 = DUK_TVAL_GET_NUMBER(tv_x);
+ d2 = duk_to_number_tval(ctx, tv_y);
+ return duk__js_equals_number(d1, d2);
+ }
}
- if ((DUK_TVAL_IS_STRING(tv_x) || DUK_TVAL_IS_BUFFER(tv_x)) && DUK_TVAL_IS_NUMBER(tv_y)) {
- /* XXX: this is possible without resorting to the value stack */
- duk_double_t d1, d2;
- d2 = DUK_TVAL_GET_NUMBER(tv_y);
- duk_push_tval(ctx, tv_x);
- duk_to_string(ctx, -1); /* buffer values are coerced first to string here */
- duk_to_number(ctx, -1);
- d1 = duk_require_number(ctx, -1);
- duk_pop(ctx);
- return duk__js_equals_number(d1, d2);
- }
-
- /* Buffer/string -> compare contents. */
- if (DUK_TVAL_IS_BUFFER(tv_x) && DUK_TVAL_IS_STRING(tv_y)) {
- tv_tmp = tv_x;
- tv_x = tv_y;
- tv_y = tv_tmp;
- }
- if (DUK_TVAL_IS_STRING(tv_x) && DUK_TVAL_IS_BUFFER(tv_y)) {
- duk_hstring *h_x = DUK_TVAL_GET_STRING(tv_x);
- duk_hbuffer *h_y = DUK_TVAL_GET_BUFFER(tv_y);
- duk_size_t len_x = DUK_HSTRING_GET_BYTELEN(h_x);
- duk_size_t len_y = DUK_HBUFFER_GET_SIZE(h_y);
- const void *buf_x;
- const void *buf_y;
- if (len_x != len_y) {
- return 0;
+ if ((type_mask_x & DUK_TYPE_MASK_STRING) && (type_mask_y & DUK_TYPE_MASK_NUMBER)) {
+ if (!DUK_TVAL_STRING_IS_SYMBOL(tv_x)) {
+ duk_double_t d1, d2;
+ d1 = DUK_TVAL_GET_NUMBER(tv_y);
+ d2 = duk_to_number_tval(ctx, tv_x);
+ return duk__js_equals_number(d1, d2);
}
- buf_x = (const void *) DUK_HSTRING_GET_DATA(h_x);
- buf_y = (const void *) DUK_HBUFFER_GET_DATA_PTR(thr->heap, h_y);
- /* if len_x == len_y == 0, buf_x and/or buf_y may
- * be NULL, but that's OK.
- */
- DUK_ASSERT(len_x == len_y);
- DUK_ASSERT(len_x == 0 || buf_x != NULL);
- DUK_ASSERT(len_y == 0 || buf_y != NULL);
- return (DUK_MEMCMP((const void *) buf_x, (const void *) buf_y, (size_t) len_x) == 0) ? 1 : 0;
}
/* Boolean/any -> coerce boolean to number and try again. If boolean is
* compared to a pointer, the final comparison after coercion now always
* yields false (as pointer vs. number compares to false), but this is
* not special cased.
+ *
+ * ToNumber(bool) is +1.0 or 0.0. Tagged boolean value is always 0 or 1.
*/
- if (DUK_TVAL_IS_BOOLEAN(tv_x)) {
- tv_tmp = tv_x;
- tv_x = tv_y;
- tv_y = tv_tmp;
+ if (type_mask_x & DUK_TYPE_MASK_BOOLEAN) {
+ DUK_ASSERT(DUK_TVAL_GET_BOOLEAN(tv_x) == 0 || DUK_TVAL_GET_BOOLEAN(tv_x) == 1);
+ duk_push_int(ctx, DUK_TVAL_GET_BOOLEAN(tv_x));
+ duk_push_tval(ctx, tv_y);
+ goto recursive_call;
}
- if (DUK_TVAL_IS_BOOLEAN(tv_y)) {
- /* ToNumber(bool) is +1.0 or 0.0. Tagged boolean value is always 0 or 1. */
- duk_bool_t rc;
+ if (type_mask_y & DUK_TYPE_MASK_BOOLEAN) {
DUK_ASSERT(DUK_TVAL_GET_BOOLEAN(tv_y) == 0 || DUK_TVAL_GET_BOOLEAN(tv_y) == 1);
duk_push_tval(ctx, tv_x);
duk_push_int(ctx, DUK_TVAL_GET_BOOLEAN(tv_y));
- rc = duk_js_equals_helper(thr,
- DUK_GET_TVAL_NEGIDX(ctx, -2),
- DUK_GET_TVAL_NEGIDX(ctx, -1),
- 0 /*flags:nonstrict*/);
- duk_pop_2(ctx);
- return rc;
+ goto recursive_call;
}
- /* String-number-buffer/object -> coerce object to primitive (apparently without hint), then try again. */
- if ((DUK_TVAL_IS_STRING(tv_x) || DUK_TVAL_IS_NUMBER(tv_x) || DUK_TVAL_IS_BUFFER(tv_x)) &&
- DUK_TVAL_IS_OBJECT(tv_y)) {
- tv_tmp = tv_x;
- tv_x = tv_y;
- tv_y = tv_tmp;
+ /* String-number-symbol/object -> coerce object to primitive (apparently without hint), then try again. */
+ if ((type_mask_x & (DUK_TYPE_MASK_STRING | DUK_TYPE_MASK_NUMBER)) &&
+ (type_mask_y & DUK_TYPE_MASK_OBJECT)) {
+ /* No symbol check needed because symbols and strings are accepted. */
+ duk_push_tval(ctx, tv_x);
+ duk_push_tval(ctx, tv_y);
+ duk_to_primitive(ctx, -1, DUK_HINT_NONE); /* apparently no hint? */
+ goto recursive_call;
}
- if (DUK_TVAL_IS_OBJECT(tv_x) &&
- (DUK_TVAL_IS_STRING(tv_y) || DUK_TVAL_IS_NUMBER(tv_y) || DUK_TVAL_IS_BUFFER(tv_y))) {
- duk_bool_t rc;
+ if ((type_mask_x & DUK_TYPE_MASK_OBJECT) &&
+ (type_mask_y & (DUK_TYPE_MASK_STRING | DUK_TYPE_MASK_NUMBER))) {
+ /* No symbol check needed because symbols and strings are accepted. */
duk_push_tval(ctx, tv_x);
duk_push_tval(ctx, tv_y);
duk_to_primitive(ctx, -2, DUK_HINT_NONE); /* apparently no hint? */
+ goto recursive_call;
+ }
+
+ /* Nothing worked -> not equal. */
+ return 0;
+
+ recursive_call:
+ /* Shared code path to call the helper again with arguments on stack top. */
+ {
+ duk_bool_t rc;
rc = duk_js_equals_helper(thr,
DUK_GET_TVAL_NEGIDX(ctx, -2),
DUK_GET_TVAL_NEGIDX(ctx, -1),
@@ -70675,9 +74383,6 @@ DUK_INTERNAL duk_bool_t duk_js_equals_helper(duk_hthread *thr, duk_tval *tv_x, d
duk_pop_2(ctx);
return rc;
}
-
- /* Nothing worked -> not equal. */
- return 0;
}
/*
@@ -70759,56 +74464,139 @@ DUK_INTERNAL duk_small_int_t duk_js_buffer_compare(duk_heap *heap, duk_hbuffer *
}
#endif
+#if defined(DUK_USE_FASTINT)
+DUK_LOCAL duk_bool_t duk__compare_fastint(duk_bool_t retval, duk_int64_t v1, duk_int64_t v2) {
+ DUK_ASSERT(retval == 0 || retval == 1);
+ if (v1 < v2) {
+ return retval ^ 1;
+ } else {
+ return retval;
+ }
+}
+#endif
+
+#if defined(DUK_USE_PARANOID_MATH)
+DUK_LOCAL duk_bool_t duk__compare_number(duk_bool_t retval, duk_double_t d1, duk_double_t d2) {
+ duk_small_int_t c1, s1, c2, s2;
+
+ DUK_ASSERT(retval == 0 || retval == 1);
+ c1 = (duk_small_int_t) DUK_FPCLASSIFY(d1);
+ s1 = (duk_small_int_t) DUK_SIGNBIT(d1);
+ c2 = (duk_small_int_t) DUK_FPCLASSIFY(d2);
+ s2 = (duk_small_int_t) DUK_SIGNBIT(d2);
+
+ if (c1 == DUK_FP_NAN || c2 == DUK_FP_NAN) {
+ return 0; /* Always false, regardless of negation. */
+ }
+
+ if (c1 == DUK_FP_ZERO && c2 == DUK_FP_ZERO) {
+ /* For all combinations: +0 < +0, +0 < -0, -0 < +0, -0 < -0,
+ * steps e, f, and g.
+ */
+ return retval; /* false */
+ }
+
+ if (d1 == d2) {
+ return retval; /* false */
+ }
+
+ if (c1 == DUK_FP_INFINITE && s1 == 0) {
+ /* x == +Infinity */
+ return retval; /* false */
+ }
+
+ if (c2 == DUK_FP_INFINITE && s2 == 0) {
+ /* y == +Infinity */
+ return retval ^ 1; /* true */
+ }
+
+ if (c2 == DUK_FP_INFINITE && s2 != 0) {
+ /* y == -Infinity */
+ return retval; /* false */
+ }
+
+ if (c1 == DUK_FP_INFINITE && s1 != 0) {
+ /* x == -Infinity */
+ return retval ^ 1; /* true */
+ }
+
+ if (d1 < d2) {
+ return retval ^ 1; /* true */
+ }
+
+ return retval; /* false */
+}
+#else /* DUK_USE_PARANOID_MATH */
+DUK_LOCAL duk_bool_t duk__compare_number(duk_bool_t retval, duk_double_t d1, duk_double_t d2) {
+ /* This comparison tree relies doesn't match the exact steps in
+ * E5 Section 11.8.5 but should produce the same results. The
+ * steps rely on exact IEEE semantics for NaNs, etc.
+ */
+
+ DUK_ASSERT(retval == 0 || retval == 1);
+ if (d1 < d2) {
+ /* In no case should both (d1 < d2) and (d2 < d1) be true.
+ * It's possible that neither is true though, and that's
+ * handled below.
+ */
+ DUK_ASSERT(!(d2 < d1));
+
+ /* - d1 < d2, both d1/d2 are normals (not Infinity, not NaN)
+ * - d2 is +Infinity, d1 != +Infinity and NaN
+ * - d1 is -Infinity, d2 != -Infinity and NaN
+ */
+ return retval ^ 1;
+ } else {
+ if (d2 < d1) {
+ /* - !(d1 < d2), both d1/d2 are normals (not Infinity, not NaN)
+ * - d1 is +Infinity, d2 != +Infinity and NaN
+ * - d2 is -Infinity, d1 != -Infinity and NaN
+ */
+ return retval;
+ } else {
+ /* - d1 and/or d2 is NaN
+ * - d1 and d2 are both +/- 0
+ * - d1 == d2 (including infinities)
+ */
+ if (duk_double_is_nan(d1) || duk_double_is_nan(d2)) {
+ /* Note: undefined from Section 11.8.5 always
+ * results in false return (see e.g. Section
+ * 11.8.3) - hence special treatment here.
+ */
+ return 0; /* zero regardless of negation */
+ } else {
+ return retval;
+ }
+ }
+ }
+}
+#endif /* DUK_USE_PARANOID_MATH */
+
DUK_INTERNAL duk_bool_t duk_js_compare_helper(duk_hthread *thr, duk_tval *tv_x, duk_tval *tv_y, duk_small_int_t flags) {
duk_context *ctx = (duk_context *) thr;
duk_double_t d1, d2;
- duk_small_int_t c1, c2;
- duk_small_int_t s1, s2;
duk_small_int_t rc;
duk_bool_t retval;
+ DUK_ASSERT(DUK_COMPARE_FLAG_NEGATE == 1); /* Rely on this flag being lowest. */
+ retval = flags & DUK_COMPARE_FLAG_NEGATE;
+ DUK_ASSERT(retval == 0 || retval == 1);
+
/* Fast path for fastints */
#if defined(DUK_USE_FASTINT)
- if (DUK_TVAL_IS_FASTINT(tv_x) && DUK_TVAL_IS_FASTINT(tv_y)) {
- duk_int64_t v1 = DUK_TVAL_GET_FASTINT(tv_x);
- duk_int64_t v2 = DUK_TVAL_GET_FASTINT(tv_y);
- if (v1 < v2) {
- /* 'lt is true' */
- retval = 1;
- } else {
- retval = 0;
- }
- if (flags & DUK_COMPARE_FLAG_NEGATE) {
- retval ^= 1;
- }
- return retval;
+ if (DUK_LIKELY(DUK_TVAL_IS_FASTINT(tv_x) && DUK_TVAL_IS_FASTINT(tv_y))) {
+ return duk__compare_fastint(retval,
+ DUK_TVAL_GET_FASTINT(tv_x),
+ DUK_TVAL_GET_FASTINT(tv_y));
}
#endif /* DUK_USE_FASTINT */
/* Fast path for numbers (one of which may be a fastint) */
-#if 1 /* XXX: make fast paths optional for size minimization? */
- if (DUK_TVAL_IS_NUMBER(tv_x) && DUK_TVAL_IS_NUMBER(tv_y)) {
- d1 = DUK_TVAL_GET_NUMBER(tv_x);
- d2 = DUK_TVAL_GET_NUMBER(tv_y);
- c1 = DUK_FPCLASSIFY(d1);
- c2 = DUK_FPCLASSIFY(d2);
-
- if (c1 == DUK_FP_NORMAL && c2 == DUK_FP_NORMAL) {
- /* XXX: this is a very narrow check, and doesn't cover
- * zeroes, subnormals, infinities, which compare normally.
- */
-
- if (d1 < d2) {
- /* 'lt is true' */
- retval = 1;
- } else {
- retval = 0;
- }
- if (flags & DUK_COMPARE_FLAG_NEGATE) {
- retval ^= 1;
- }
- return retval;
- }
+#if !defined(DUK_USE_PREFER_SIZE)
+ if (DUK_LIKELY(DUK_TVAL_IS_NUMBER(tv_x) && DUK_TVAL_IS_NUMBER(tv_y))) {
+ return duk__compare_number(retval,
+ DUK_TVAL_GET_NUMBER(tv_x),
+ DUK_TVAL_GET_NUMBER(tv_y));
}
#endif
@@ -70835,102 +74623,51 @@ DUK_INTERNAL duk_bool_t duk_js_compare_helper(duk_hthread *thr, duk_tval *tv_x,
DUK_ASSERT(h1 != NULL);
DUK_ASSERT(h2 != NULL);
- rc = duk_js_string_compare(h1, h2);
- if (rc < 0) {
- goto lt_true;
- } else {
- goto lt_false;
- }
- } else {
- /* Ordering should not matter (E5 Section 11.8.5, step 3.a) but
- * preserve it just in case.
- */
-
- if (flags & DUK_COMPARE_FLAG_EVAL_LEFT_FIRST) {
- d1 = duk_to_number(ctx, -2);
- d2 = duk_to_number(ctx, -1);
- } else {
- d2 = duk_to_number(ctx, -1);
- d1 = duk_to_number(ctx, -2);
- }
-
- c1 = (duk_small_int_t) DUK_FPCLASSIFY(d1);
- s1 = (duk_small_int_t) DUK_SIGNBIT(d1);
- c2 = (duk_small_int_t) DUK_FPCLASSIFY(d2);
- s2 = (duk_small_int_t) DUK_SIGNBIT(d2);
-
- if (c1 == DUK_FP_NAN || c2 == DUK_FP_NAN) {
- goto lt_undefined;
- }
-
- if (c1 == DUK_FP_ZERO && c2 == DUK_FP_ZERO) {
- /* For all combinations: +0 < +0, +0 < -0, -0 < +0, -0 < -0,
- * steps e, f, and g.
- */
- goto lt_false;
- }
-
- if (d1 == d2) {
- goto lt_false;
- }
-
- if (c1 == DUK_FP_INFINITE && s1 == 0) {
- /* x == +Infinity */
- goto lt_false;
- }
-
- if (c2 == DUK_FP_INFINITE && s2 == 0) {
- /* y == +Infinity */
- goto lt_true;
- }
-
- if (c2 == DUK_FP_INFINITE && s2 != 0) {
- /* y == -Infinity */
- goto lt_false;
- }
-
- if (c1 == DUK_FP_INFINITE && s1 != 0) {
- /* x == -Infinity */
- goto lt_true;
- }
-
- if (d1 < d2) {
- goto lt_true;
+ if (!DUK_HSTRING_HAS_SYMBOL(h1) && !DUK_HSTRING_HAS_SYMBOL(h2)) {
+ rc = duk_js_string_compare(h1, h2);
+ duk_pop_2(ctx);
+ if (rc < 0) {
+ return retval ^ 1;
+ } else {
+ return retval;
+ }
}
- goto lt_false;
- }
-
- lt_undefined:
- /* Note: undefined from Section 11.8.5 always results in false
- * return (see e.g. Section 11.8.3) - hence special treatment here.
- */
- retval = 0;
- goto cleanup;
-
- lt_true:
- if (flags & DUK_COMPARE_FLAG_NEGATE) {
- retval = 0;
- goto cleanup;
- } else {
- retval = 1;
- goto cleanup;
+ /* One or both are Symbols: fall through to handle in the
+ * generic path. Concretely, ToNumber() will fail.
+ */
}
- /* never here */
- lt_false:
- if (flags & DUK_COMPARE_FLAG_NEGATE) {
- retval = 1;
- goto cleanup;
+ /* Ordering should not matter (E5 Section 11.8.5, step 3.a). */
+#if 0
+ if (flags & DUK_COMPARE_FLAG_EVAL_LEFT_FIRST) {
+ d1 = duk_to_number_m2(ctx);
+ d2 = duk_to_number_m1(ctx);
} else {
- retval = 0;
- goto cleanup;
+ d2 = duk_to_number_m1(ctx);
+ d1 = duk_to_number_m2(ctx);
}
- /* never here */
+#endif
+ d1 = duk_to_number_m2(ctx);
+ d2 = duk_to_number_m1(ctx);
- cleanup:
+ /* We want to duk_pop_2(ctx); because the values are numbers
+ * no decref check is needed.
+ */
+#if defined(DUK_USE_PREFER_SIZE)
duk_pop_2(ctx);
- return retval;
+#else
+ DUK_ASSERT(!DUK_TVAL_NEEDS_REFCOUNT_UPDATE(duk_get_tval(ctx, -2)));
+ DUK_ASSERT(!DUK_TVAL_NEEDS_REFCOUNT_UPDATE(duk_get_tval(ctx, -1)));
+ DUK_ASSERT(duk_get_top(ctx) >= 2);
+ ((duk_hthread *) ctx)->valstack_top -= 2;
+ tv_x = ((duk_hthread *) ctx)->valstack_top;
+ tv_y = tv_x + 1;
+ DUK_TVAL_SET_UNDEFINED(tv_x); /* Value stack policy */
+ DUK_TVAL_SET_UNDEFINED(tv_y);
+#endif
+
+ return duk__compare_number(retval, d1, d2);
}
/*
@@ -70958,7 +74695,9 @@ DUK_INTERNAL duk_bool_t duk_js_instanceof(duk_hthread *thr, duk_tval *tv_x, duk_
duk_hobject *func;
duk_hobject *val;
duk_hobject *proto;
+ duk_tval *tv;
duk_uint_t sanity;
+ duk_bool_t skip_first;
/*
* Get the values onto the stack first. It would be possible to cover
@@ -71001,13 +74740,13 @@ DUK_INTERNAL duk_bool_t duk_js_instanceof(duk_hthread *thr, duk_tval *tv_x, duk_
DUK_ERROR_TYPE(thr, "invalid instanceof rval");
}
- if (!DUK_HOBJECT_HAS_BOUND(func)) {
+ if (!DUK_HOBJECT_HAS_BOUNDFUNC(func)) {
break;
}
/* [ ... lval rval ] */
- duk_get_prop_stridx(ctx, -1, DUK_STRIDX_INT_TARGET); /* -> [ ... lval rval new_rval ] */
+ duk_get_prop_stridx_short(ctx, -1, DUK_STRIDX_INT_TARGET); /* -> [ ... lval rval new_rval ] */
duk_replace(ctx, -1); /* -> [ ... lval new_rval ] */
func = duk_require_hobject(ctx, -1);
@@ -71024,29 +74763,43 @@ DUK_INTERNAL duk_bool_t duk_js_instanceof(duk_hthread *thr, duk_tval *tv_x, duk_
* to execute E5 Section 15.3.5.3.
*/
- DUK_ASSERT(!DUK_HOBJECT_HAS_BOUND(func));
+ DUK_ASSERT(!DUK_HOBJECT_HAS_BOUNDFUNC(func));
DUK_ASSERT(DUK_HOBJECT_IS_CALLABLE(func));
/* [ ... lval rval(func) ] */
- /* Handle lightfuncs through object coercion for now. */
- /* XXX: direct implementation */
- val = duk_get_hobject_or_lfunc_coerce(ctx, -2);
- if (!val) {
+ /* For lightfuncs, buffers, and pointers start the comparison directly
+ * from the virtual prototype object.
+ */
+ skip_first = 0;
+ tv = DUK_GET_TVAL_NEGIDX(ctx, -2);
+ switch (DUK_TVAL_GET_TAG(tv)) {
+ case DUK_TAG_LIGHTFUNC:
+ val = thr->builtins[DUK_BIDX_FUNCTION_PROTOTYPE];
+ DUK_ASSERT(val != NULL);
+ break;
+ case DUK_TAG_BUFFER:
+ val = thr->builtins[DUK_BIDX_UINT8ARRAY_PROTOTYPE];
+ DUK_ASSERT(val != NULL);
+ break;
+ case DUK_TAG_POINTER:
+ val = thr->builtins[DUK_BIDX_POINTER_PROTOTYPE];
+ DUK_ASSERT(val != NULL);
+ break;
+ case DUK_TAG_OBJECT:
+ skip_first = 1; /* Ignore object itself on first round. */
+ val = DUK_TVAL_GET_OBJECT(tv);
+ DUK_ASSERT(val != NULL);
+ break;
+ default:
goto pop_and_false;
}
+ DUK_ASSERT(val != NULL); /* Loop doesn't actually rely on this. */
- duk_get_prop_stridx(ctx, -1, DUK_STRIDX_PROTOTYPE); /* -> [ ... lval rval rval.prototype ] */
+ duk_get_prop_stridx_short(ctx, -1, DUK_STRIDX_PROTOTYPE); /* -> [ ... lval rval rval.prototype ] */
proto = duk_require_hobject(ctx, -1);
duk_pop(ctx); /* -> [ ... lval rval ] */
- DUK_ASSERT(val != NULL);
-
-#if defined(DUK_USE_ES6_PROXY)
- val = duk_hobject_resolve_proxy_target(thr, val);
- DUK_ASSERT(val != NULL);
-#endif
-
sanity = DUK_HOBJECT_PROTOTYPE_CHAIN_SANITY;
do {
/*
@@ -71067,9 +74820,6 @@ DUK_INTERNAL duk_bool_t duk_js_instanceof(duk_hthread *thr, duk_tval *tv_x, duk_
* also the built-in Function prototype, the result is true.
*/
- DUK_ASSERT(val != NULL);
- val = DUK_HOBJECT_GET_PROTOTYPE(thr->heap, val);
-
if (!val) {
goto pop_and_false;
}
@@ -71079,11 +74829,14 @@ DUK_INTERNAL duk_bool_t duk_js_instanceof(duk_hthread *thr, duk_tval *tv_x, duk_
val = duk_hobject_resolve_proxy_target(thr, val);
#endif
- if (val == proto) {
+ if (skip_first) {
+ skip_first = 0;
+ } else if (val == proto) {
goto pop_and_true;
}
- /* follow prototype chain */
+ DUK_ASSERT(val != NULL);
+ val = DUK_HOBJECT_GET_PROTOTYPE(thr->heap, val);
} while (--sanity > 0);
if (sanity == 0) {
@@ -71123,18 +74876,19 @@ DUK_INTERNAL duk_bool_t duk_js_in(duk_hthread *thr, duk_tval *tv_x, duk_tval *tv
/* XXX: The ES5/5.1/6 specifications require that the key in 'key in obj'
* must be string coerced before the internal HasProperty() algorithm is
* invoked. A fast path skipping coercion could be safely implemented for
- * numbers (as number-to-string coercion has no side effects). For ES6
+ * numbers (as number-to-string coercion has no side effects). For ES2015
* proxy behavior, the trap 'key' argument must be in a string coerced
* form (which is a shame).
*/
- /* TypeError if rval is not an object (or lightfunc which should behave
- * like a Function instance).
+ /* TypeError if rval is not an object or object like (e.g. lightfunc
+ * or plain buffer).
*/
duk_push_tval(ctx, tv_x);
duk_push_tval(ctx, tv_y);
- duk_require_type_mask(ctx, -1, DUK_TYPE_MASK_OBJECT | DUK_TYPE_MASK_LIGHTFUNC);
- duk_to_string(ctx, -2); /* coerce lval with ToString() */
+ duk_require_type_mask(ctx, -1, DUK_TYPE_MASK_OBJECT | DUK_TYPE_MASK_LIGHTFUNC | DUK_TYPE_MASK_BUFFER);
+
+ (void) duk_to_property_key_hstring(ctx, -2);
retval = duk_hobject_hasprop(thr,
DUK_GET_TVAL_NEGIDX(ctx, -1),
@@ -71158,10 +74912,8 @@ DUK_INTERNAL duk_bool_t duk_js_in(duk_hthread *thr, duk_tval *tv_x, duk_tval *tv
* lowercase variants now.
*/
-DUK_INTERNAL duk_hstring *duk_js_typeof(duk_hthread *thr, duk_tval *tv_x) {
- duk_small_int_t stridx = 0;
-
- DUK_UNREF(thr);
+DUK_INTERNAL duk_small_uint_t duk_js_typeof_stridx(duk_tval *tv_x) {
+ duk_small_uint_t stridx = 0;
switch (DUK_TVAL_GET_TAG(tv_x)) {
case DUK_TAG_UNDEFINED: {
@@ -71169,7 +74921,7 @@ DUK_INTERNAL duk_hstring *duk_js_typeof(duk_hthread *thr, duk_tval *tv_x) {
break;
}
case DUK_TAG_NULL: {
- /* Note: not a typo, "object" is returned for a null value */
+ /* Note: not a typo, "object" is returned for a null value. */
stridx = DUK_STRIDX_LC_OBJECT;
break;
}
@@ -71178,12 +74930,21 @@ DUK_INTERNAL duk_hstring *duk_js_typeof(duk_hthread *thr, duk_tval *tv_x) {
break;
}
case DUK_TAG_POINTER: {
- /* implementation specific */
+ /* Implementation specific. */
stridx = DUK_STRIDX_LC_POINTER;
break;
}
case DUK_TAG_STRING: {
- stridx = DUK_STRIDX_LC_STRING;
+ duk_hstring *str;
+
+ /* All internal keys are identified as Symbols. */
+ str = DUK_TVAL_GET_STRING(tv_x);
+ DUK_ASSERT(str != NULL);
+ if (DUK_HSTRING_HAS_SYMBOL(str)) {
+ stridx = DUK_STRIDX_LC_SYMBOL;
+ } else {
+ stridx = DUK_STRIDX_LC_STRING;
+ }
break;
}
case DUK_TAG_OBJECT: {
@@ -71197,8 +74958,11 @@ DUK_INTERNAL duk_hstring *duk_js_typeof(duk_hthread *thr, duk_tval *tv_x) {
break;
}
case DUK_TAG_BUFFER: {
- /* implementation specific */
- stridx = DUK_STRIDX_LC_BUFFER;
+ /* Implementation specific. In Duktape 1.x this would be
+ * 'buffer', in Duktape 2.x changed to 'object' because plain
+ * buffers now mimic Uint8Array objects.
+ */
+ stridx = DUK_STRIDX_LC_OBJECT;
break;
}
case DUK_TAG_LIGHTFUNC: {
@@ -71217,8 +74981,8 @@ DUK_INTERNAL duk_hstring *duk_js_typeof(duk_hthread *thr, duk_tval *tv_x) {
}
}
- DUK_ASSERT(stridx >= 0 && stridx < DUK_HEAP_NUM_STRINGS);
- return DUK_HTHREAD_GET_STRING(thr, stridx);
+ DUK_ASSERT_STRIDX_VALID(stridx);
+ return stridx;
}
/*
@@ -71227,17 +74991,19 @@ DUK_INTERNAL duk_hstring *duk_js_typeof(duk_hthread *thr, duk_tval *tv_x) {
* Array index: E5 Section 15.4
* Array length: E5 Section 15.4.5.1 steps 3.c - 3.d (array length write)
*
- * The DUK_HSTRING_GET_ARRIDX_SLOW() and DUK_HSTRING_GET_ARRIDX_FAST() macros
- * call duk_js_to_arrayindex_string_helper().
+ * duk_js_to_arrayindex_string_helper() computes the array index from
+ * string contents alone. Depending on options it's only called during
+ * string intern (and value stored to duk_hstring) or it's called also
+ * at runtime.
*/
DUK_INTERNAL duk_small_int_t duk_js_to_arrayindex_raw_string(const duk_uint8_t *str, duk_uint32_t blen, duk_uarridx_t *out_idx) {
- duk_uarridx_t res, new_res;
+ duk_uarridx_t res;
if (blen == 0 || blen > 10) {
goto parse_fail;
}
- if (str[0] == (duk_uint8_t) '0' && blen > 1) {
+ if (str[0] == DUK_ASC_0 && blen > 1) {
goto parse_fail;
}
@@ -71249,13 +75015,29 @@ DUK_INTERNAL duk_small_int_t duk_js_to_arrayindex_raw_string(const duk_uint8_t *
res = 0;
while (blen-- > 0) {
duk_uint8_t c = *str++;
- if (c >= (duk_uint8_t) '0' && c <= (duk_uint8_t) '9') {
- new_res = res * 10 + (duk_uint32_t) (c - (duk_uint8_t) '0');
- if (new_res < res) {
- /* overflow, more than 32 bits -> not an array index */
- goto parse_fail;
+ if (c >= DUK_ASC_0 && c <= DUK_ASC_9) {
+ /* Careful overflow handling. When multiplying by 10:
+ * - 0x19999998 x 10 = 0xfffffff0: no overflow, and adding
+ * 0...9 is safe.
+ * - 0x19999999 x 10 = 0xfffffffa: no overflow, adding
+ * 0...5 is safe, 6...9 overflows.
+ * - 0x1999999a x 10 = 0x100000004: always overflow.
+ */
+ if (DUK_UNLIKELY(res >= 0x19999999UL)) {
+ if (res >= 0x1999999aUL) {
+ /* Always overflow. */
+ goto parse_fail;
+ }
+ DUK_ASSERT(res == 0x19999999UL);
+ c -= DUK_ASC_0;
+ if (c >= 6) {
+ goto parse_fail;
+ }
+ res = 0xfffffffaUL + c;
+ DUK_ASSERT(res >= 0xfffffffaUL && res <= 0xffffffffUL);
+ } else {
+ res = res * 10U + (duk_uint32_t) (c - DUK_ASC_0);
}
- res = new_res;
} else {
goto parse_fail;
}
@@ -71285,7 +75067,6 @@ DUK_INTERNAL duk_uarridx_t duk_js_to_arrayindex_string_helper(duk_hstring *h) {
DUK_ASSERT(rc != 0);
return res;
}
-#line 1 "duk_js_var.c"
/*
* Identifier access and function closure handling.
*
@@ -71318,7 +75099,7 @@ DUK_INTERNAL duk_uarridx_t duk_js_to_arrayindex_string_helper(duk_hstring *h) {
* if "raw" own property helpers are added.
*/
-/* include removed: duk_internal.h */
+/* #include duk_internal.h -> already included */
/*
* Local result type for duk__get_identifier_reference() lookup.
@@ -71358,27 +75139,28 @@ typedef struct {
* even if the closure object remains reachable.
*/
-DUK_LOCAL void duk__inc_data_inner_refcounts(duk_hthread *thr, duk_hcompiledfunction *f) {
+DUK_LOCAL void duk__inc_data_inner_refcounts(duk_hthread *thr, duk_hcompfunc *f) {
duk_tval *tv, *tv_end;
duk_hobject **funcs, **funcs_end;
+ DUK_UNREF(thr);
+
/* If function creation fails due to out-of-memory, the data buffer
* pointer may be NULL in some cases. That's actually possible for
* GC code, but shouldn't be possible here because the incomplete
* function will be unwound from the value stack and never instantiated.
*/
- DUK_ASSERT(DUK_HCOMPILEDFUNCTION_GET_DATA(thr->heap, f) != NULL);
- DUK_UNREF(thr);
+ DUK_ASSERT(DUK_HCOMPFUNC_GET_DATA(thr->heap, f) != NULL);
- tv = DUK_HCOMPILEDFUNCTION_GET_CONSTS_BASE(thr->heap, f);
- tv_end = DUK_HCOMPILEDFUNCTION_GET_CONSTS_END(thr->heap, f);
+ tv = DUK_HCOMPFUNC_GET_CONSTS_BASE(thr->heap, f);
+ tv_end = DUK_HCOMPFUNC_GET_CONSTS_END(thr->heap, f);
while (tv < tv_end) {
DUK_TVAL_INCREF(thr, tv);
tv++;
}
- funcs = DUK_HCOMPILEDFUNCTION_GET_FUNCS_BASE(thr->heap, f);
- funcs_end = DUK_HCOMPILEDFUNCTION_GET_FUNCS_END(thr->heap, f);
+ funcs = DUK_HCOMPFUNC_GET_FUNCS_BASE(thr->heap, f);
+ funcs_end = DUK_HCOMPFUNC_GET_FUNCS_END(thr->heap, f);
while (funcs < funcs_end) {
DUK_HEAPHDR_INCREF(thr, (duk_heaphdr *) *funcs);
funcs++;
@@ -71396,51 +75178,57 @@ DUK_LOCAL const duk_uint16_t duk__closure_copy_proplist[] = {
/* order: most frequent to least frequent */
DUK_STRIDX_INT_VARMAP,
DUK_STRIDX_INT_FORMALS,
- DUK_STRIDX_NAME,
+#if defined(DUK_USE_PC2LINE)
DUK_STRIDX_INT_PC2LINE,
+#endif
+#if defined(DUK_USE_FUNC_FILENAME_PROPERTY)
DUK_STRIDX_FILE_NAME,
+#endif
+#if defined(DUK_USE_NONSTD_FUNC_SOURCE_PROPERTY)
DUK_STRIDX_INT_SOURCE
+#endif
};
DUK_INTERNAL
void duk_js_push_closure(duk_hthread *thr,
- duk_hcompiledfunction *fun_temp,
+ duk_hcompfunc *fun_temp,
duk_hobject *outer_var_env,
duk_hobject *outer_lex_env,
duk_bool_t add_auto_proto) {
duk_context *ctx = (duk_context *) thr;
- duk_hcompiledfunction *fun_clos;
+ duk_hcompfunc *fun_clos;
duk_small_uint_t i;
duk_uint_t len_value;
DUK_ASSERT(fun_temp != NULL);
- DUK_ASSERT(DUK_HCOMPILEDFUNCTION_GET_DATA(thr->heap, fun_temp) != NULL);
- DUK_ASSERT(DUK_HCOMPILEDFUNCTION_GET_FUNCS(thr->heap, fun_temp) != NULL);
- DUK_ASSERT(DUK_HCOMPILEDFUNCTION_GET_BYTECODE(thr->heap, fun_temp) != NULL);
+ DUK_ASSERT(DUK_HCOMPFUNC_GET_DATA(thr->heap, fun_temp) != NULL);
+ DUK_ASSERT(DUK_HCOMPFUNC_GET_FUNCS(thr->heap, fun_temp) != NULL);
+ DUK_ASSERT(DUK_HCOMPFUNC_GET_BYTECODE(thr->heap, fun_temp) != NULL);
DUK_ASSERT(outer_var_env != NULL);
DUK_ASSERT(outer_lex_env != NULL);
DUK_UNREF(len_value);
- duk_push_compiledfunction(ctx);
+ fun_clos = duk_push_hcompfunc(ctx);
+ DUK_ASSERT(fun_clos != NULL);
+ DUK_ASSERT(DUK_HOBJECT_GET_PROTOTYPE(thr->heap, (duk_hobject *) fun_clos) == thr->builtins[DUK_BIDX_FUNCTION_PROTOTYPE]);
+
duk_push_hobject(ctx, &fun_temp->obj); /* -> [ ... closure template ] */
- fun_clos = (duk_hcompiledfunction *) duk_get_hcompiledfunction(ctx, -2);
- DUK_ASSERT(fun_clos != NULL);
- DUK_ASSERT(DUK_HOBJECT_IS_COMPILEDFUNCTION((duk_hobject *) fun_clos));
- DUK_ASSERT(DUK_HCOMPILEDFUNCTION_GET_DATA(thr->heap, fun_clos) == NULL);
- DUK_ASSERT(DUK_HCOMPILEDFUNCTION_GET_FUNCS(thr->heap, fun_clos) == NULL);
- DUK_ASSERT(DUK_HCOMPILEDFUNCTION_GET_BYTECODE(thr->heap, fun_clos) == NULL);
+ DUK_ASSERT(DUK_HOBJECT_IS_COMPFUNC((duk_hobject *) fun_clos));
+ DUK_ASSERT(DUK_HCOMPFUNC_GET_DATA(thr->heap, fun_clos) == NULL);
+ DUK_ASSERT(DUK_HCOMPFUNC_GET_FUNCS(thr->heap, fun_clos) == NULL);
+ DUK_ASSERT(DUK_HCOMPFUNC_GET_BYTECODE(thr->heap, fun_clos) == NULL);
- DUK_HCOMPILEDFUNCTION_SET_DATA(thr->heap, fun_clos, DUK_HCOMPILEDFUNCTION_GET_DATA(thr->heap, fun_temp));
- DUK_HCOMPILEDFUNCTION_SET_FUNCS(thr->heap, fun_clos, DUK_HCOMPILEDFUNCTION_GET_FUNCS(thr->heap, fun_temp));
- DUK_HCOMPILEDFUNCTION_SET_BYTECODE(thr->heap, fun_clos, DUK_HCOMPILEDFUNCTION_GET_BYTECODE(thr->heap, fun_temp));
+ DUK_HCOMPFUNC_SET_DATA(thr->heap, fun_clos, DUK_HCOMPFUNC_GET_DATA(thr->heap, fun_temp));
+ DUK_HCOMPFUNC_SET_FUNCS(thr->heap, fun_clos, DUK_HCOMPFUNC_GET_FUNCS(thr->heap, fun_temp));
+ DUK_HCOMPFUNC_SET_BYTECODE(thr->heap, fun_clos, DUK_HCOMPFUNC_GET_BYTECODE(thr->heap, fun_temp));
/* Note: all references inside 'data' need to get their refcounts
* upped too. This is the case because refcounts are decreased
* through every function referencing 'data' independently.
*/
- DUK_HBUFFER_INCREF(thr, DUK_HCOMPILEDFUNCTION_GET_DATA(thr->heap, fun_clos));
+ DUK_HBUFFER_INCREF(thr, DUK_HCOMPFUNC_GET_DATA(thr->heap, fun_clos));
duk__inc_data_inner_refcounts(thr, fun_temp);
fun_clos->nregs = fun_temp->nregs;
@@ -71450,51 +75238,46 @@ void duk_js_push_closure(duk_hthread *thr,
fun_clos->end_line = fun_temp->end_line;
#endif
- DUK_ASSERT(DUK_HCOMPILEDFUNCTION_GET_DATA(thr->heap, fun_clos) != NULL);
- DUK_ASSERT(DUK_HCOMPILEDFUNCTION_GET_FUNCS(thr->heap, fun_clos) != NULL);
- DUK_ASSERT(DUK_HCOMPILEDFUNCTION_GET_BYTECODE(thr->heap, fun_clos) != NULL);
+ DUK_ASSERT(DUK_HCOMPFUNC_GET_DATA(thr->heap, fun_clos) != NULL);
+ DUK_ASSERT(DUK_HCOMPFUNC_GET_FUNCS(thr->heap, fun_clos) != NULL);
+ DUK_ASSERT(DUK_HCOMPFUNC_GET_BYTECODE(thr->heap, fun_clos) != NULL);
/* XXX: could also copy from template, but there's no way to have any
* other value here now (used code has no access to the template).
*/
DUK_HOBJECT_SET_PROTOTYPE_UPDREF(thr, &fun_clos->obj, thr->builtins[DUK_BIDX_FUNCTION_PROTOTYPE]);
- /*
- * Init/assert flags, copying them where appropriate. Some flags
- * (like NEWENV) are processed separately below.
+ /* Copy duk_hobject flags as is from the template using a mask.
+ * Leave out duk_heaphdr owned flags just in case (e.g. if there's
+ * some GC flag or similar). Some flags can then be adjusted
+ * separately if necessary.
*/
- /* XXX: copy flags using a mask */
+ /* DUK_HEAPHDR_SET_FLAGS() masks changes to non-duk_heaphdr flags only. */
+ DUK_HEAPHDR_SET_FLAGS((duk_heaphdr *) fun_clos, DUK_HEAPHDR_GET_FLAGS_RAW((duk_heaphdr *) fun_temp));
+ DUK_DD(DUK_DDPRINT("fun_temp heaphdr flags: 0x%08lx, fun_clos heaphdr flags: 0x%08lx",
+ (unsigned long) DUK_HEAPHDR_GET_FLAGS_RAW((duk_heaphdr *) fun_temp),
+ (unsigned long) DUK_HEAPHDR_GET_FLAGS_RAW((duk_heaphdr *) fun_clos)));
DUK_ASSERT(DUK_HOBJECT_HAS_EXTENSIBLE(&fun_clos->obj));
- DUK_HOBJECT_SET_CONSTRUCTABLE(&fun_clos->obj); /* Note: not set in template (has no "prototype") */
- DUK_ASSERT(DUK_HOBJECT_HAS_CONSTRUCTABLE(&fun_clos->obj));
- DUK_ASSERT(!DUK_HOBJECT_HAS_BOUND(&fun_clos->obj));
- DUK_ASSERT(DUK_HOBJECT_HAS_COMPILEDFUNCTION(&fun_clos->obj));
- DUK_ASSERT(!DUK_HOBJECT_HAS_NATIVEFUNCTION(&fun_clos->obj));
+ DUK_ASSERT(!DUK_HOBJECT_HAS_BOUNDFUNC(&fun_clos->obj));
+ DUK_ASSERT(DUK_HOBJECT_HAS_COMPFUNC(&fun_clos->obj));
+ DUK_ASSERT(!DUK_HOBJECT_HAS_NATFUNC(&fun_clos->obj));
DUK_ASSERT(!DUK_HOBJECT_HAS_THREAD(&fun_clos->obj));
/* DUK_HOBJECT_FLAG_ARRAY_PART: don't care */
- if (DUK_HOBJECT_HAS_STRICT(&fun_temp->obj)) {
- DUK_HOBJECT_SET_STRICT(&fun_clos->obj);
- }
- if (DUK_HOBJECT_HAS_NOTAIL(&fun_temp->obj)) {
- DUK_HOBJECT_SET_NOTAIL(&fun_clos->obj);
- }
/* DUK_HOBJECT_FLAG_NEWENV: handled below */
- if (DUK_HOBJECT_HAS_NAMEBINDING(&fun_temp->obj)) {
- /* Although NAMEBINDING is not directly needed for using
- * function instances, it's needed by bytecode dump/load
- * so copy it too.
- */
- DUK_HOBJECT_SET_NAMEBINDING(&fun_clos->obj);
- }
- if (DUK_HOBJECT_HAS_CREATEARGS(&fun_temp->obj)) {
- DUK_HOBJECT_SET_CREATEARGS(&fun_clos->obj);
- }
DUK_ASSERT(!DUK_HOBJECT_HAS_EXOTIC_ARRAY(&fun_clos->obj));
DUK_ASSERT(!DUK_HOBJECT_HAS_EXOTIC_STRINGOBJ(&fun_clos->obj));
DUK_ASSERT(!DUK_HOBJECT_HAS_EXOTIC_ARGUMENTS(&fun_clos->obj));
+ if (!DUK_HOBJECT_HAS_CONSTRUCTABLE(&fun_clos->obj)) {
+ /* If the template is not constructable don't add an automatic
+ * .prototype property. This is the case for e.g. ES2015 object
+ * literal getters/setters and method definitions.
+ */
+ add_auto_proto = 0;
+ }
+
/*
* Setup environment record properties based on the template and
* its flags.
@@ -71511,11 +75294,11 @@ void duk_js_push_closure(duk_hthread *thr,
* This is relatively complex, see doc/identifier-handling.rst.
*/
- if (DUK_HOBJECT_HAS_NEWENV(&fun_temp->obj)) {
- DUK_HOBJECT_SET_NEWENV(&fun_clos->obj);
-
- if (DUK_HOBJECT_HAS_NAMEBINDING(&fun_temp->obj)) {
+ if (DUK_HOBJECT_HAS_NEWENV(&fun_clos->obj)) {
+#if defined(DUK_USE_FUNC_NAME_PROPERTY)
+ if (DUK_HOBJECT_HAS_NAMEBINDING(&fun_clos->obj)) {
duk_hobject *proto;
+ duk_hobject *new_env;
/*
* Named function expression, name needs to be bound
@@ -71526,8 +75309,6 @@ void duk_js_push_closure(duk_hthread *thr,
* b) { funcname: <func>, __prototype: <globalenv> } (if outer_lex_env missing)
*/
- DUK_ASSERT(duk_has_prop_stridx(ctx, -1, DUK_STRIDX_NAME)); /* required if NAMEBINDING set */
-
if (outer_lex_env) {
proto = outer_lex_env;
} else {
@@ -71535,40 +75316,50 @@ void duk_js_push_closure(duk_hthread *thr,
}
/* -> [ ... closure template env ] */
- (void) duk_push_object_helper_proto(ctx,
- DUK_HOBJECT_FLAG_EXTENSIBLE |
- DUK_HOBJECT_CLASS_AS_FLAGS(DUK_HOBJECT_CLASS_DECENV),
- proto);
+ new_env = duk_push_object_helper_proto(ctx,
+ DUK_HOBJECT_FLAG_EXTENSIBLE |
+ DUK_HOBJECT_CLASS_AS_FLAGS(DUK_HOBJECT_CLASS_DECENV),
+ proto);
+ DUK_ASSERT(new_env != NULL);
/* It's important that duk_xdef_prop() is a 'raw define' so that any
* properties in an ancestor are never an issue (they should never be
* e.g. non-writable, but just in case).
+ *
+ * Because template objects are not visible to user code, the case
+ * where .name is missing shouldn't happen in practice. It it does,
+ * the name 'undefined' gets bound and maps to the closure (which is
+ * a bit odd, but safe).
*/
- duk_get_prop_stridx(ctx, -2, DUK_STRIDX_NAME); /* -> [ ... closure template env funcname ] */
- duk_dup(ctx, -4); /* -> [ ... closure template env funcname closure ] */
- duk_xdef_prop(ctx, -3, DUK_PROPDESC_FLAGS_NONE); /* -> [ ... closure template env ] */
+ (void) duk_get_prop_stridx_short(ctx, -2, DUK_STRIDX_NAME);
+ /* -> [ ... closure template env funcname ] */
+ duk_dup_m4(ctx); /* -> [ ... closure template env funcname closure ] */
+ duk_xdef_prop(ctx, -3, DUK_PROPDESC_FLAGS_NONE); /* -> [ ... closure template env ] */
/* env[funcname] = closure */
/* [ ... closure template env ] */
- duk_xdef_prop_stridx(ctx, -3, DUK_STRIDX_INT_LEXENV, DUK_PROPDESC_FLAGS_WC);
- /* since closure has NEWENV, never define DUK_STRIDX_INT_VARENV, as it
- * will be ignored anyway
- */
+ DUK_HCOMPFUNC_SET_LEXENV(thr->heap, fun_clos, new_env);
+ DUK_HCOMPFUNC_SET_VARENV(thr->heap, fun_clos, new_env);
+ DUK_HOBJECT_INCREF(thr, new_env);
+ DUK_HOBJECT_INCREF(thr, new_env);
+ duk_pop(ctx);
/* [ ... closure template ] */
- } else {
+ }
+ else
+#endif /* DUK_USE_FUNC_NAME_PROPERTY */
+ {
/*
* Other cases (function declaration, anonymous function expression,
* strict direct eval code). The "outer" environment will be whatever
* the caller gave us.
*/
- duk_push_hobject(ctx, outer_lex_env); /* -> [ ... closure template env ] */
- duk_xdef_prop_stridx(ctx, -3, DUK_STRIDX_INT_LEXENV, DUK_PROPDESC_FLAGS_WC);
- /* since closure has NEWENV, never define DUK_STRIDX_INT_VARENV, as it
- * will be ignored anyway
- */
+ DUK_HCOMPFUNC_SET_LEXENV(thr->heap, fun_clos, outer_lex_env);
+ DUK_HCOMPFUNC_SET_VARENV(thr->heap, fun_clos, outer_lex_env);
+ DUK_HOBJECT_INCREF(thr, outer_lex_env);
+ DUK_HOBJECT_INCREF(thr, outer_lex_env);
/* [ ... closure template ] */
}
@@ -71583,27 +75374,24 @@ void duk_js_push_closure(duk_hthread *thr,
DUK_ASSERT(!DUK_HOBJECT_HAS_NAMEBINDING(&fun_temp->obj));
- duk_push_hobject(ctx, outer_lex_env); /* -> [ ... closure template env ] */
- duk_xdef_prop_stridx(ctx, -3, DUK_STRIDX_INT_LEXENV, DUK_PROPDESC_FLAGS_WC);
-
- if (outer_var_env != outer_lex_env) {
- duk_push_hobject(ctx, outer_var_env); /* -> [ ... closure template env ] */
- duk_xdef_prop_stridx(ctx, -3, DUK_STRIDX_INT_VARENV, DUK_PROPDESC_FLAGS_WC);
- }
+ DUK_HCOMPFUNC_SET_LEXENV(thr->heap, fun_clos, outer_lex_env);
+ DUK_HCOMPFUNC_SET_VARENV(thr->heap, fun_clos, outer_var_env);
+ DUK_HOBJECT_INCREF(thr, outer_lex_env); /* NULLs not allowed; asserted on entry */
+ DUK_HOBJECT_INCREF(thr, outer_var_env);
}
-#ifdef DUK_USE_DDDPRINT
- duk_get_prop_stridx(ctx, -2, DUK_STRIDX_INT_VARENV);
- duk_get_prop_stridx(ctx, -3, DUK_STRIDX_INT_LEXENV);
- DUK_DDD(DUK_DDDPRINT("closure varenv -> %!ipT, lexenv -> %!ipT",
- (duk_tval *) duk_get_tval(ctx, -2),
- (duk_tval *) duk_get_tval(ctx, -1)));
- duk_pop_2(ctx);
-#endif
+ DUK_DDD(DUK_DDDPRINT("closure varenv -> %!ipO, lexenv -> %!ipO",
+ (duk_heaphdr *) fun_clos->var_env,
+ (duk_heaphdr *) fun_clos->lex_env));
+
+ /* Call handling assumes this for all callable closures. */
+ DUK_ASSERT(DUK_HCOMPFUNC_GET_LEXENV(thr->heap, fun_clos) != NULL);
+ DUK_ASSERT(DUK_HCOMPFUNC_GET_VARENV(thr->heap, fun_clos) != NULL);
/*
* Copy some internal properties directly
*
- * The properties will be writable and configurable, but not enumerable.
+ * The properties will be non-writable and non-enumerable, but
+ * configurable.
*/
/* [ ... closure template ] */
@@ -71614,10 +75402,10 @@ void duk_js_push_closure(duk_hthread *thr,
for (i = 0; i < (duk_small_uint_t) (sizeof(duk__closure_copy_proplist) / sizeof(duk_uint16_t)); i++) {
duk_small_int_t stridx = (duk_small_int_t) duk__closure_copy_proplist[i];
- if (duk_get_prop_stridx(ctx, -1, stridx)) {
+ if (duk_get_prop_stridx_short(ctx, -1, stridx)) {
/* [ ... closure template val ] */
DUK_DDD(DUK_DDDPRINT("copying property, stridx=%ld -> found", (long) stridx));
- duk_xdef_prop_stridx(ctx, -3, stridx, DUK_PROPDESC_FLAGS_WC);
+ duk_xdef_prop_stridx_short(ctx, -3, stridx, DUK_PROPDESC_FLAGS_C);
} else {
DUK_DDD(DUK_DDDPRINT("copying property, stridx=%ld -> not found", (long) stridx));
duk_pop(ctx);
@@ -71627,29 +75415,27 @@ void duk_js_push_closure(duk_hthread *thr,
/*
* "length" maps to number of formals (E5 Section 13.2) for function
* declarations/expressions (non-bound functions). Note that 'nargs'
- * is NOT necessarily equal to the number of arguments.
+ * is NOT necessarily equal to the number of arguments. Use length
+ * of _Formals; if missing, assume nargs matches .length.
*/
/* [ ... closure template ] */
- len_value = 0;
-
- /* XXX: use helper for size optimization */
- if (duk_get_prop_stridx(ctx, -2, DUK_STRIDX_INT_FORMALS)) {
+ /* XXX: these lookups should be just own property lookups instead of
+ * looking up the inheritance chain.
+ */
+ if (duk_get_prop_stridx_short(ctx, -1, DUK_STRIDX_INT_FORMALS)) {
/* [ ... closure template formals ] */
- DUK_ASSERT(duk_has_prop_stridx(ctx, -1, DUK_STRIDX_LENGTH));
- DUK_ASSERT(duk_get_length(ctx, -1) <= DUK_UINT_MAX); /* formal arg limits */
- len_value = (duk_uint_t) duk_get_length(ctx, -1);
+ len_value = (duk_uint_t) duk_get_length(ctx, -1); /* could access duk_harray directly, not important */
+ DUK_DD(DUK_DDPRINT("closure length from _Formals -> %ld", (long) len_value));
} else {
- /* XXX: what to do if _Formals is not empty but compiler has
- * optimized it away -- read length from an explicit property
- * then?
- */
+ len_value = fun_temp->nargs;
+ DUK_DD(DUK_DDPRINT("closure length defaulted from nargs -> %ld", (long) len_value));
}
duk_pop(ctx);
duk_push_uint(ctx, len_value); /* [ ... closure template len_value ] */
- duk_xdef_prop_stridx(ctx, -3, DUK_STRIDX_LENGTH, DUK_PROPDESC_FLAGS_NONE);
+ duk_xdef_prop_stridx_short(ctx, -3, DUK_STRIDX_LENGTH, DUK_PROPDESC_FLAGS_C);
/*
* "prototype" is, by default, a fresh object with the "constructor"
@@ -71669,10 +75455,10 @@ void duk_js_push_closure(duk_hthread *thr,
if (add_auto_proto) {
duk_push_object(ctx); /* -> [ ... closure template newobj ] */
- duk_dup(ctx, -3); /* -> [ ... closure template newobj closure ] */
- duk_xdef_prop_stridx(ctx, -2, DUK_STRIDX_CONSTRUCTOR, DUK_PROPDESC_FLAGS_WC); /* -> [ ... closure template newobj ] */
+ duk_dup_m3(ctx); /* -> [ ... closure template newobj closure ] */
+ duk_xdef_prop_stridx_short(ctx, -2, DUK_STRIDX_CONSTRUCTOR, DUK_PROPDESC_FLAGS_WC); /* -> [ ... closure template newobj ] */
duk_compact(ctx, -1); /* compact the prototype */
- duk_xdef_prop_stridx(ctx, -3, DUK_STRIDX_PROTOTYPE, DUK_PROPDESC_FLAGS_W); /* -> [ ... closure template ] */
+ duk_xdef_prop_stridx_short(ctx, -3, DUK_STRIDX_PROTOTYPE, DUK_PROPDESC_FLAGS_W); /* -> [ ... closure template ] */
}
/*
@@ -71686,40 +75472,43 @@ void duk_js_push_closure(duk_hthread *thr,
/* [ ... closure template ] */
if (DUK_HOBJECT_HAS_STRICT(&fun_clos->obj)) {
- duk_xdef_prop_stridx_thrower(ctx, -2, DUK_STRIDX_CALLER, DUK_PROPDESC_FLAGS_NONE);
- duk_xdef_prop_stridx_thrower(ctx, -2, DUK_STRIDX_LC_ARGUMENTS, DUK_PROPDESC_FLAGS_NONE);
+ duk_xdef_prop_stridx_thrower(ctx, -2, DUK_STRIDX_CALLER);
+ duk_xdef_prop_stridx_thrower(ctx, -2, DUK_STRIDX_LC_ARGUMENTS);
} else {
-#ifdef DUK_USE_NONSTD_FUNC_CALLER_PROPERTY
+#if defined(DUK_USE_NONSTD_FUNC_CALLER_PROPERTY)
DUK_DDD(DUK_DDDPRINT("function is non-strict and non-standard 'caller' property in use, add initial 'null' value"));
duk_push_null(ctx);
- duk_xdef_prop_stridx(ctx, -3, DUK_STRIDX_CALLER, DUK_PROPDESC_FLAGS_NONE);
+ duk_xdef_prop_stridx_short(ctx, -3, DUK_STRIDX_CALLER, DUK_PROPDESC_FLAGS_NONE);
#else
DUK_DDD(DUK_DDDPRINT("function is non-strict and non-standard 'caller' property not used"));
#endif
}
/*
- * "name" is a non-standard property found in at least V8, Rhino, smjs.
- * For Rhino and smjs it is non-writable, non-enumerable, and non-configurable;
- * for V8 it is writable, non-enumerable, non-configurable. It is also defined
- * for an anonymous function expression in which case the value is an empty string.
- * We could also leave name 'undefined' for anonymous functions but that would
- * differ from behavior of other engines, so use an empty string.
- *
- * XXX: make optional? costs something per function.
+ * "name" used to be non-standard but is now defined by ES2015.
+ * In ES2015/ES2016 the .name property is configurable.
*/
/* [ ... closure template ] */
- if (duk_get_prop_stridx(ctx, -1, DUK_STRIDX_NAME)) {
+#if defined(DUK_USE_FUNC_NAME_PROPERTY)
+ /* XXX: Look for own property only; doesn't matter much because
+ * templates are bare objects.
+ */
+ if (duk_get_prop_stridx_short(ctx, -1, DUK_STRIDX_NAME)) {
/* [ ... closure template name ] */
DUK_ASSERT(duk_is_string(ctx, -1));
+ DUK_DD(DUK_DDPRINT("setting function instance name to %!T", duk_get_tval(ctx, -1)));
+ duk_xdef_prop_stridx_short(ctx, -3, DUK_STRIDX_NAME, DUK_PROPDESC_FLAGS_C); /* -> [ ... closure template ] */
} else {
- /* [ ... closure template undefined ] */
+ /* Anonymous functions don't have a .name in ES2015, so don't set
+ * it on the instance either. The instance will then inherit
+ * it from Function.prototype.name.
+ */
+ DUK_DD(DUK_DDPRINT("not setting function instance .name"));
duk_pop(ctx);
- duk_push_hstring_stridx(ctx, DUK_STRIDX_EMPTY_STRING);
}
- duk_xdef_prop_stridx(ctx, -3, DUK_STRIDX_NAME, DUK_PROPDESC_FLAGS_NONE); /* -> [ ... closure template ] */
+#endif
/*
* Compact the closure, in most cases no properties will be added later.
@@ -71741,7 +75530,7 @@ void duk_js_push_closure(duk_hthread *thr,
DUK_ASSERT(DUK_HOBJECT_HAS_EXTENSIBLE(&fun_clos->obj));
DUK_ASSERT(duk_has_prop_stridx(ctx, -2, DUK_STRIDX_LENGTH) != 0);
DUK_ASSERT(add_auto_proto == 0 || duk_has_prop_stridx(ctx, -2, DUK_STRIDX_PROTOTYPE) != 0);
- DUK_ASSERT(duk_has_prop_stridx(ctx, -2, DUK_STRIDX_NAME) != 0); /* non-standard */
+ /* May be missing .name */
DUK_ASSERT(!DUK_HOBJECT_HAS_STRICT(&fun_clos->obj) ||
duk_has_prop_stridx(ctx, -2, DUK_STRIDX_CALLER) != 0);
DUK_ASSERT(!DUK_HOBJECT_HAS_STRICT(&fun_clos->obj) ||
@@ -71777,17 +75566,14 @@ duk_hobject *duk_create_activation_environment_record(duk_hthread *thr,
duk_context *ctx = (duk_context *) thr;
duk_hobject *env;
duk_hobject *parent;
- duk_tval *tv;
+ duk_hcompfunc *f;
DUK_ASSERT(thr != NULL);
DUK_ASSERT(func != NULL);
- tv = duk_hobject_find_existing_entry_tval_ptr(thr->heap, func, DUK_HTHREAD_STRING_INT_LEXENV(thr));
- if (tv) {
- DUK_ASSERT(DUK_TVAL_IS_OBJECT(tv));
- DUK_ASSERT(DUK_HOBJECT_IS_ENV(DUK_TVAL_GET_OBJECT(tv)));
- parent = DUK_TVAL_GET_OBJECT(tv);
- } else {
+ f = (duk_hcompfunc *) func;
+ parent = DUK_HCOMPFUNC_GET_LEXENV(thr->heap, f);
+ if (!parent) {
parent = thr->builtins[DUK_BIDX_GLOBAL_ENV];
}
@@ -71795,19 +75581,18 @@ duk_hobject *duk_create_activation_environment_record(duk_hthread *thr,
DUK_HOBJECT_FLAG_EXTENSIBLE |
DUK_HOBJECT_CLASS_AS_FLAGS(DUK_HOBJECT_CLASS_DECENV),
-1); /* no prototype, updated below */
- env = duk_require_hobject(ctx, -1);
- DUK_ASSERT(env != NULL);
+ env = duk_known_hobject(ctx, -1);
DUK_HOBJECT_SET_PROTOTYPE_UPDREF(thr, env, parent); /* parent env is the prototype */
/* open scope information, for compiled functions only */
- if (DUK_HOBJECT_IS_COMPILEDFUNCTION(func)) {
+ if (DUK_HOBJECT_IS_COMPFUNC(func)) {
duk_push_hthread(ctx, thr);
- duk_xdef_prop_stridx_wec(ctx, -2, DUK_STRIDX_INT_THREAD);
+ duk_xdef_prop_stridx_short_wec(ctx, -2, DUK_STRIDX_INT_THREAD);
duk_push_hobject(ctx, func);
- duk_xdef_prop_stridx_wec(ctx, -2, DUK_STRIDX_INT_CALLEE);
+ duk_xdef_prop_stridx_short_wec(ctx, -2, DUK_STRIDX_INT_CALLEE);
duk_push_size_t(ctx, idx_bottom);
- duk_xdef_prop_stridx_wec(ctx, -2, DUK_STRIDX_INT_REGBASE);
+ duk_xdef_prop_stridx_short_wec(ctx, -2, DUK_STRIDX_INT_REGBASE);
}
return env;
@@ -71819,10 +75604,13 @@ void duk_js_init_activation_environment_records_delayed(duk_hthread *thr,
duk_context *ctx = (duk_context *) thr;
duk_hobject *func;
duk_hobject *env;
+ duk_size_t act_off;
+ DUK_ASSERT(act != NULL);
+ act_off = (duk_size_t) ((duk_uint8_t *) act - (duk_uint8_t *) thr->callstack);
func = DUK_ACT_GET_FUNC(act);
DUK_ASSERT(func != NULL);
- DUK_ASSERT(!DUK_HOBJECT_HAS_BOUND(func)); /* bound functions are never in act 'func' */
+ DUK_ASSERT(!DUK_HOBJECT_HAS_BOUNDFUNC(func)); /* bound functions are never in act 'func' */
/*
* Delayed initialization only occurs for 'NEWENV' functions.
@@ -71834,9 +75622,10 @@ void duk_js_init_activation_environment_records_delayed(duk_hthread *thr,
env = duk_create_activation_environment_record(thr, func, act->idx_bottom);
DUK_ASSERT(env != NULL);
+ act = (duk_activation *) ((duk_uint8_t *) thr->callstack + act_off);
DUK_DDD(DUK_DDDPRINT("created delayed fresh env: %!ipO", (duk_heaphdr *) env));
-#ifdef DUK_USE_DDDPRINT
+#if defined(DUK_USE_DEBUG_LEVEL) && (DUK_USE_DEBUG_LEVEL >= 2)
{
duk_hobject *p = env;
while (p) {
@@ -71890,23 +75679,23 @@ DUK_INTERNAL void duk_js_close_environment_record(duk_hthread *thr, duk_hobject
duk_push_hobject(ctx, env);
/* assertions: env must be closed in the same thread as where it runs */
-#ifdef DUK_USE_ASSERTIONS
+#if defined(DUK_USE_ASSERTIONS)
{
/* [... env] */
- if (duk_get_prop_stridx(ctx, -1, DUK_STRIDX_INT_CALLEE)) {
+ if (duk_get_prop_stridx_short(ctx, -1, DUK_STRIDX_INT_CALLEE)) {
DUK_ASSERT(duk_is_object(ctx, -1));
DUK_ASSERT(duk_get_hobject(ctx, -1) == (duk_hobject *) func);
}
duk_pop(ctx);
- if (duk_get_prop_stridx(ctx, -1, DUK_STRIDX_INT_THREAD)) {
+ if (duk_get_prop_stridx_short(ctx, -1, DUK_STRIDX_INT_THREAD)) {
DUK_ASSERT(duk_is_object(ctx, -1));
DUK_ASSERT(duk_get_hobject(ctx, -1) == (duk_hobject *) thr);
}
duk_pop(ctx);
- if (duk_get_prop_stridx(ctx, -1, DUK_STRIDX_INT_REGBASE)) {
+ if (duk_get_prop_stridx_short(ctx, -1, DUK_STRIDX_INT_REGBASE)) {
DUK_ASSERT(duk_is_number(ctx, -1));
DUK_ASSERT(duk_get_number(ctx, -1) == (double) regbase);
}
@@ -71916,7 +75705,7 @@ DUK_INTERNAL void duk_js_close_environment_record(duk_hthread *thr, duk_hobject
}
#endif
- if (func != NULL && DUK_HOBJECT_IS_COMPILEDFUNCTION(func)) {
+ if (func != NULL && DUK_HOBJECT_IS_COMPFUNC(func)) {
duk_hobject *varmap;
duk_hstring *key;
duk_tval *tv;
@@ -71939,7 +75728,7 @@ DUK_INTERNAL void duk_js_close_environment_record(duk_hthread *thr, duk_hobject
/* [... env] */
- if (!duk_get_prop_stridx(ctx, -1, DUK_STRIDX_INT_CALLEE)) {
+ if (!duk_get_prop_stridx_short(ctx, -1, DUK_STRIDX_INT_CALLEE)) {
DUK_DDD(DUK_DDDPRINT("env has no callee property, nothing to close; re-delete the control properties just in case"));
duk_pop(ctx);
goto skip_varmap;
@@ -71947,7 +75736,7 @@ DUK_INTERNAL void duk_js_close_environment_record(duk_hthread *thr, duk_hobject
/* [... env callee] */
- if (!duk_get_prop_stridx(ctx, -1, DUK_STRIDX_INT_VARMAP)) {
+ if (!duk_get_prop_stridx_short(ctx, -1, DUK_STRIDX_INT_VARMAP)) {
DUK_DDD(DUK_DDDPRINT("callee has no varmap property, nothing to close; delete the control properties"));
duk_pop_2(ctx);
goto skip_varmap;
@@ -71971,7 +75760,7 @@ DUK_INTERNAL void duk_js_close_environment_record(duk_hthread *thr, duk_hobject
DUK_ASSERT(DUK_TVAL_IS_NUMBER(tv)); /* assume value is a number */
regnum = (duk_uint_t) DUK_TVAL_GET_NUMBER(tv);
DUK_ASSERT_DISABLE(regnum >= 0); /* unsigned */
- DUK_ASSERT(regnum < ((duk_hcompiledfunction *) func)->nregs); /* regnum is sane */
+ DUK_ASSERT(regnum < ((duk_hcompfunc *) func)->nregs); /* regnum is sane */
DUK_ASSERT(thr->valstack + regbase + regnum >= thr->valstack);
DUK_ASSERT(thr->valstack + regbase + regnum < thr->valstack_top);
@@ -71998,9 +75787,9 @@ DUK_INTERNAL void duk_js_close_environment_record(duk_hthread *thr, duk_hobject
/* [... env] */
- duk_del_prop_stridx(ctx, -1, DUK_STRIDX_INT_CALLEE);
- duk_del_prop_stridx(ctx, -1, DUK_STRIDX_INT_THREAD);
- duk_del_prop_stridx(ctx, -1, DUK_STRIDX_INT_REGBASE);
+ duk_del_prop_stridx_short(ctx, -1, DUK_STRIDX_INT_CALLEE);
+ duk_del_prop_stridx_short(ctx, -1, DUK_STRIDX_INT_THREAD);
+ duk_del_prop_stridx_short(ctx, -1, DUK_STRIDX_INT_REGBASE);
duk_pop(ctx);
@@ -72065,7 +75854,7 @@ duk_bool_t duk__getid_open_decl_env_regs(duk_hthread *thr,
DUK_ASSERT(DUK_TVAL_IS_OBJECT(tv));
DUK_ASSERT(DUK_TVAL_GET_OBJECT(tv) != NULL);
- DUK_ASSERT(DUK_HOBJECT_IS_COMPILEDFUNCTION(DUK_TVAL_GET_OBJECT(tv)));
+ DUK_ASSERT(DUK_HOBJECT_IS_COMPFUNC(DUK_TVAL_GET_OBJECT(tv)));
env_func = DUK_TVAL_GET_OBJECT(tv);
DUK_ASSERT(env_func != NULL);
@@ -72084,7 +75873,7 @@ duk_bool_t duk__getid_open_decl_env_regs(duk_hthread *thr,
DUK_ASSERT(DUK_TVAL_IS_NUMBER(tv));
reg_rel = (duk_size_t) DUK_TVAL_GET_NUMBER(tv);
DUK_ASSERT_DISABLE(reg_rel >= 0); /* unsigned */
- DUK_ASSERT(reg_rel < ((duk_hcompiledfunction *) env_func)->nregs);
+ DUK_ASSERT(reg_rel < ((duk_hcompfunc *) env_func)->nregs);
tv = duk_hobject_find_existing_entry_tval_ptr(thr->heap, env, DUK_HTHREAD_STRING_INT_THREAD(thr));
DUK_ASSERT(tv != NULL);
@@ -72139,7 +75928,7 @@ duk_bool_t duk__getid_activation_regs(duk_hthread *thr,
DUK_ASSERT(func != NULL);
DUK_ASSERT(DUK_HOBJECT_HAS_NEWENV(func));
- if (!DUK_HOBJECT_IS_COMPILEDFUNCTION(func)) {
+ if (!DUK_HOBJECT_IS_COMPFUNC(func)) {
return 0;
}
@@ -72158,7 +75947,7 @@ duk_bool_t duk__getid_activation_regs(duk_hthread *thr,
DUK_ASSERT(DUK_TVAL_IS_NUMBER(tv));
reg_rel = (duk_size_t) DUK_TVAL_GET_NUMBER(tv);
DUK_ASSERT_DISABLE(reg_rel >= 0);
- DUK_ASSERT(reg_rel < ((duk_hcompiledfunction *) func)->nregs);
+ DUK_ASSERT(reg_rel < ((duk_hcompfunc *) func)->nregs);
idx = act->idx_bottom + reg_rel;
DUK_ASSERT(idx >= act->idx_bottom);
@@ -72213,6 +76002,7 @@ duk_bool_t duk__get_identifier_reference(duk_hthread *thr,
if (env == NULL && act != NULL) {
duk_hobject *func;
+ duk_hcompfunc *f;
DUK_DDD(DUK_DDDPRINT("duk__get_identifier_reference: env is NULL, activation is non-NULL -> "
"delayed env case, look up activation regs first"));
@@ -72257,13 +76047,10 @@ duk_bool_t duk__get_identifier_reference(duk_hthread *thr,
func = DUK_ACT_GET_FUNC(act);
DUK_ASSERT(func != NULL);
DUK_ASSERT(DUK_HOBJECT_HAS_NEWENV(func));
+ f = (duk_hcompfunc *) func;
- tv = duk_hobject_find_existing_entry_tval_ptr(thr->heap, func, DUK_HTHREAD_STRING_INT_LEXENV(thr));
- if (tv) {
- DUK_ASSERT(DUK_TVAL_IS_OBJECT(tv));
- env = DUK_TVAL_GET_OBJECT(tv);
- } else {
- DUK_ASSERT(duk_hobject_find_existing_entry_tval_ptr(thr->heap, func, DUK_HTHREAD_STRING_INT_VARENV(thr)) == NULL);
+ env = DUK_HCOMPFUNC_GET_LEXENV(thr->heap, f);
+ if (!env) {
env = thr->builtins[DUK_BIDX_GLOBAL_ENV];
}
@@ -72674,7 +76461,9 @@ void duk__putvar_helper(duk_hthread *thr,
if (strict) {
DUK_DDD(DUK_DDDPRINT("identifier binding not found, strict => reference error"));
- DUK_ERROR(thr, DUK_ERR_REFERENCE_ERROR, "identifier not defined");
+ DUK_ERROR_FMT1(thr, DUK_ERR_REFERENCE_ERROR,
+ "identifier '%s' undefined",
+ (const char *) DUK_HSTRING_GET_DATA(name));
}
DUK_DDD(DUK_DDDPRINT("identifier binding not found, not strict => set to global"));
@@ -73081,6 +76870,10 @@ duk_bool_t duk_js_declvar_activation(duk_hthread *thr,
duk_bool_t is_func_decl) {
duk_hobject *env;
duk_tval tv_val_copy;
+ duk_size_t act_off;
+
+ DUK_ASSERT(act != NULL);
+ act_off = (duk_size_t) ((duk_uint8_t *) act - (duk_uint8_t *) thr->callstack);
/*
* Make a value copy of the input val. This ensures that
@@ -73097,6 +76890,7 @@ duk_bool_t duk_js_declvar_activation(duk_hthread *thr,
if (!act->var_env) {
DUK_ASSERT(act->lex_env == NULL);
duk_js_init_activation_environment_records_delayed(thr, act);
+ act = (duk_activation *) ((duk_uint8_t *) thr->callstack + act_off);
}
DUK_ASSERT(act->lex_env != NULL);
DUK_ASSERT(act->var_env != NULL);
@@ -73107,7 +76901,6 @@ duk_bool_t duk_js_declvar_activation(duk_hthread *thr,
return duk__declvar_helper(thr, env, name, val, prop_flags, is_func_decl);
}
-#line 1 "duk_lexer.c"
/*
* Lexer for source files, ToNumber() string conversions, RegExp expressions,
* and JSON.
@@ -73180,7 +76973,7 @@ duk_bool_t duk_js_declvar_activation(duk_hthread *thr,
* least potentially) slow.
*/
-/* include removed: duk_internal.h */
+/* #include duk_internal.h -> already included */
/*
* Various defines and file specific helper macros
@@ -73197,11 +76990,12 @@ duk_bool_t duk_js_declvar_activation(duk_hthread *thr,
#define DUK__ISDIGIT47(x) ((x) >= DUK_ASC_4 && (x) <= DUK_ASC_7)
/* lexer character window helpers */
-#define DUK__LOOKUP(lex_ctx,index) ((lex_ctx)->window[(index)].codepoint)
-#define DUK__ADVANCECHARS(lex_ctx,count) duk__advance_bytes((lex_ctx), (count) * sizeof(duk_lexer_codepoint))
-#define DUK__ADVANCEBYTES(lex_ctx,count) duk__advance_bytes((lex_ctx), (count))
-#define DUK__INITBUFFER(lex_ctx) duk__initbuffer((lex_ctx))
-#define DUK__APPENDBUFFER(lex_ctx,x) duk__appendbuffer((lex_ctx), (duk_codepoint_t) (x))
+#define DUK__LOOKUP(lex_ctx,idx) ((lex_ctx)->window[(idx)].codepoint)
+#define DUK__ADVANCECHARS(lex_ctx,count) duk__advance_chars((lex_ctx), (count))
+#define DUK__ADVANCEBYTES(lex_ctx,count) duk__advance_bytes((lex_ctx), (count))
+#define DUK__INITBUFFER(lex_ctx) duk__initbuffer((lex_ctx))
+#define DUK__APPENDBUFFER(lex_ctx,x) duk__appendbuffer((lex_ctx), (duk_codepoint_t) (x))
+#define DUK__APPENDBUFFER_ASCII(lex_ctx,x) duk__appendbuffer_ascii((lex_ctx), (duk_codepoint_t) (x))
/* lookup shorthands (note: assume context variable is named 'lex_ctx') */
#define DUK__L0() DUK__LOOKUP(lex_ctx, 0)
@@ -73421,7 +77215,7 @@ DUK_LOCAL void duk__fill_lexer_buffer(duk_lexer_ctx *lex_ctx, duk_small_uint_t s
lex_ctx->input_offset = (duk_size_t) (p - lex_ctx->input);
lex_ctx->input_line = input_line;
- DUK_ERROR_SYNTAX(lex_ctx->thr, "utf-8 decode failed");
+ DUK_ERROR_SYNTAX(lex_ctx->thr, DUK_STR_DECODE_FAILED);
}
DUK_LOCAL void duk__advance_bytes(duk_lexer_ctx *lex_ctx, duk_small_uint_t count_bytes) {
@@ -73581,7 +77375,7 @@ DUK_LOCAL duk_codepoint_t duk__read_char(duk_lexer_ctx *lex_ctx) {
error_clipped: /* clipped codepoint */
error_encoding: /* invalid codepoint encoding or codepoint */
- DUK_ERROR_SYNTAX(lex_ctx->thr, "utf-8 decode failed");
+ DUK_ERROR_SYNTAX(lex_ctx->thr, DUK_STR_DECODE_FAILED);
return 0;
}
@@ -73614,6 +77408,10 @@ DUK_LOCAL void duk__init_lexer_window(duk_lexer_ctx *lex_ctx) {
}
#endif /* DUK_USE_LEXER_SLIDING_WINDOW */
+DUK_LOCAL void duk__advance_chars(duk_lexer_ctx *lex_ctx, duk_small_uint_t count_chars) {
+ duk__advance_bytes(lex_ctx, count_chars * sizeof(duk_lexer_codepoint));
+}
+
/*
* (Re)initialize the temporary byte buffer. May be called extra times
* with little impact.
@@ -73646,24 +77444,33 @@ DUK_LOCAL void duk__appendbuffer(duk_lexer_ctx *lex_ctx, duk_codepoint_t x) {
* escapes ("\udead\ubeef") so all 16-but unsigned values can be
* present, even when the source file itself is strict UTF-8.
*/
-
- DUK_ASSERT(x >= 0 && x <= 0x10ffff);
+ DUK_ASSERT(x >= 0 && x <= 0x10ffffL);
DUK_BW_WRITE_ENSURE_CESU8(lex_ctx->thr, &lex_ctx->bw, (duk_ucodepoint_t) x);
}
+DUK_LOCAL void duk__appendbuffer_ascii(duk_lexer_ctx *lex_ctx, duk_codepoint_t x) {
+ /* ASCII characters can be emitted as a single byte without encoding
+ * which matters for some fast paths.
+ */
+ DUK_ASSERT(x >= 0 && x <= 0x7f);
+
+ DUK_BW_WRITE_ENSURE_U8(lex_ctx->thr, &lex_ctx->bw, (duk_uint8_t) x);
+}
+
/*
* Intern the temporary byte buffer into a valstack slot
* (in practice, slot1 or slot2).
*/
-DUK_LOCAL void duk__internbuffer(duk_lexer_ctx *lex_ctx, duk_idx_t valstack_idx) {
+DUK_LOCAL duk_hstring *duk__internbuffer(duk_lexer_ctx *lex_ctx, duk_idx_t valstack_idx) {
duk_context *ctx = (duk_context *) lex_ctx->thr;
DUK_ASSERT(valstack_idx == lex_ctx->slot1_idx || valstack_idx == lex_ctx->slot2_idx);
DUK_BW_PUSH_AS_STRING(lex_ctx->thr, &lex_ctx->bw);
duk_replace(ctx, valstack_idx);
+ return duk_known_hstring(ctx, valstack_idx);
}
/*
@@ -73688,7 +77495,10 @@ DUK_INTERNAL void duk_lexer_initctx(duk_lexer_ctx *lex_ctx) {
* Set lexer input position and reinitialize lookup window.
*/
-/* NB: duk_lexer_getpoint() is a macro only */
+DUK_INTERNAL void duk_lexer_getpoint(duk_lexer_ctx *lex_ctx, duk_lexer_point *pt) {
+ pt->offset = lex_ctx->window[0].offset;
+ pt->line = lex_ctx->window[0].line;
+}
DUK_INTERNAL void duk_lexer_setpoint(duk_lexer_ctx *lex_ctx, duk_lexer_point *pt) {
DUK_ASSERT_DISABLE(pt->offset >= 0); /* unsigned */
@@ -73702,8 +77512,10 @@ DUK_INTERNAL void duk_lexer_setpoint(duk_lexer_ctx *lex_ctx, duk_lexer_point *pt
* Lexing helpers
*/
-/* numeric value of a hex digit (also covers octal and decimal digits) */
-DUK_LOCAL duk_codepoint_t duk__hexval(duk_lexer_ctx *lex_ctx, duk_codepoint_t x) {
+/* Numeric value of a hex digit (also covers octal and decimal digits) or
+ * -1 if not a valid hex digit.
+ */
+DUK_LOCAL duk_codepoint_t duk__hexval_validate(duk_codepoint_t x) {
duk_small_int_t t;
/* Here 'x' is a Unicode codepoint */
@@ -73714,11 +77526,21 @@ DUK_LOCAL duk_codepoint_t duk__hexval(duk_lexer_ctx *lex_ctx, duk_codepoint_t x)
}
}
- /* Throwing an error this deep makes the error rather vague, but
- * saves hundreds of bytes of code.
- */
- DUK_ERROR_SYNTAX(lex_ctx->thr, "decode error");
- return 0;
+ return -1;
+}
+
+/* Just a wrapper for call sites where 'x' is known to be valid so
+ * we assert for it before decoding.
+ */
+DUK_LOCAL duk_codepoint_t duk__hexval(duk_codepoint_t x) {
+ duk_codepoint_t ret;
+
+ DUK_ASSERT((x >= DUK_ASC_0 && x <= DUK_ASC_9) ||
+ (x >= DUK_ASC_LC_A && x <= DUK_ASC_LC_F) ||
+ (x >= DUK_ASC_UC_A && x <= DUK_ASC_UC_F));
+ ret = duk__hexval_validate(x);
+ DUK_ASSERT(ret >= 0 && ret <= 15);
+ return ret;
}
/* having this as a separate function provided a size benefit */
@@ -73729,18 +77551,275 @@ DUK_LOCAL duk_bool_t duk__is_hex_digit(duk_codepoint_t x) {
return 0;
}
-DUK_LOCAL duk_codepoint_t duk__decode_hexesc_from_window(duk_lexer_ctx *lex_ctx, duk_small_int_t lookup_offset) {
- /* validation performed by duk__hexval */
- return (duk__hexval(lex_ctx, lex_ctx->window[lookup_offset].codepoint) << 4) |
- (duk__hexval(lex_ctx, lex_ctx->window[lookup_offset + 1].codepoint));
+/* Parse a Unicode escape of the form \xHH, \uHHHH, or \u{H+}. Shared by
+ * source and RegExp parsing.
+ */
+DUK_LOCAL duk_codepoint_t duk__lexer_parse_escape(duk_lexer_ctx *lex_ctx, duk_bool_t allow_es6) {
+ duk_small_int_t digits; /* Initial value 2 or 4 for fixed length escapes, 0 for ES2015 \u{H+}. */
+ duk_codepoint_t escval;
+ duk_codepoint_t x;
+ duk_small_int_t adv;
+
+ DUK_ASSERT(DUK__L0() == DUK_ASC_BACKSLASH); /* caller responsibilities */
+ DUK_ASSERT(DUK__L1() == DUK_ASC_LC_X || DUK__L1() == DUK_ASC_LC_U);
+ DUK_UNREF(allow_es6);
+
+ adv = 2;
+ digits = 2;
+ if (DUK__L1() == DUK_ASC_LC_U) {
+ digits = 4;
+#if defined(DUK_USE_ES6_UNICODE_ESCAPE)
+ if (DUK__L2() == DUK_ASC_LCURLY && allow_es6) {
+ digits = 0;
+ adv = 3;
+ }
+#endif
+ }
+ DUK__ADVANCECHARS(lex_ctx, adv);
+
+ escval = 0;
+ for (;;) {
+ /* One of the escape forms: \xHH, \uHHHH, \u{H+}.
+ * The 'digits' variable tracks parsing state and is
+ * initialized to:
+ *
+ * \xHH 2
+ * \uHH 4
+ * \u{H+} 0 first time, updated to -1 to indicate
+ * at least one digit has been parsed
+ *
+ * Octal parsing is handled separately because it can be
+ * done with fixed lookahead and also has validation
+ * rules which depend on the escape length (which is
+ * variable).
+ *
+ * We don't need a specific check for x < 0 (end of
+ * input) or duk_unicode_is_line_terminator(x)
+ * because the 'dig' decode will fail and lead to a
+ * SyntaxError.
+ */
+ duk_codepoint_t dig;
+
+ x = DUK__L0();
+ DUK__ADVANCECHARS(lex_ctx, 1);
+
+ dig = duk__hexval_validate(x);
+ if (digits > 0) {
+ digits--;
+ if (dig < 0) {
+ goto fail_escape;
+ }
+ DUK_ASSERT(dig >= 0x00 && dig <= 0x0f);
+ escval = (escval << 4) + dig;
+ if (digits == 0) {
+ DUK_ASSERT(escval >= 0 && escval <= 0xffffL);
+ break;
+ }
+ } else {
+#if defined(DUK_USE_ES6_UNICODE_ESCAPE)
+ DUK_ASSERT(digits == 0 /* first time */ || digits == -1 /* others */);
+ if (dig >= 0) {
+ DUK_ASSERT(dig >= 0x00 && dig <= 0x0f);
+ escval = (escval << 4) + dig;
+ if (escval > 0x10ffffL) {
+ goto fail_escape;
+ }
+ } else if (x == DUK_ASC_RCURLY) {
+ if (digits == 0) {
+ /* Empty escape, \u{}. */
+ goto fail_escape;
+ }
+ DUK_ASSERT(escval >= 0 && escval <= 0x10ffffL);
+ break;
+ } else {
+ goto fail_escape;
+ }
+ digits = -1; /* Indicate we have at least one digit. */
+#else /* DUK_USE_ES6_UNICODE_ESCAPE */
+ DUK_ASSERT(0); /* Never happens if \u{H+} support disabled. */
+#endif /* DUK_USE_ES6_UNICODE_ESCAPE */
+ }
+ }
+
+ return escval;
+
+ fail_escape:
+ DUK_ERROR_SYNTAX(lex_ctx->thr, DUK_STR_INVALID_ESCAPE);
}
-DUK_LOCAL duk_codepoint_t duk__decode_uniesc_from_window(duk_lexer_ctx *lex_ctx, duk_small_int_t lookup_offset) {
- /* validation performed by duk__hexval */
- return (duk__hexval(lex_ctx, lex_ctx->window[lookup_offset].codepoint) << 12) |
- (duk__hexval(lex_ctx, lex_ctx->window[lookup_offset + 1].codepoint) << 8) |
- (duk__hexval(lex_ctx, lex_ctx->window[lookup_offset + 2].codepoint) << 4) |
- (duk__hexval(lex_ctx, lex_ctx->window[lookup_offset + 3].codepoint));
+/* XXX: move strict mode to lex_ctx? */
+DUK_LOCAL void duk__lexer_parse_string_literal(duk_lexer_ctx *lex_ctx, duk_token *out_token, duk_small_int_t quote, duk_bool_t strict_mode) {
+ duk_small_int_t adv;
+
+ for (adv = 1 /* initial quote */ ;;) {
+ duk_codepoint_t x;
+
+ DUK__ADVANCECHARS(lex_ctx, adv); /* eat opening quote on first loop */
+ x = DUK__L0();
+
+ adv = 1;
+ if (x == quote) {
+ DUK__ADVANCECHARS(lex_ctx, 1); /* eat closing quote */
+ break;
+ } else if (x == '\\') {
+ /* DUK__L0 -> '\' char
+ * DUK__L1 ... DUK__L5 -> more lookup
+ */
+ duk_small_int_t emitcp = -1;
+
+ x = DUK__L1();
+
+ /* How much to advance before next loop. */
+ adv = 2; /* note: long live range */
+
+ switch (x) {
+ case '\'':
+ emitcp = 0x0027;
+ break;
+ case '"':
+ emitcp = 0x0022;
+ break;
+ case '\\':
+ emitcp = 0x005c;
+ break;
+ case 'b':
+ emitcp = 0x0008;
+ break;
+ case 'f':
+ emitcp = 0x000c;
+ break;
+ case 'n':
+ emitcp = 0x000a;
+ break;
+ case 'r':
+ emitcp = 0x000d;
+ break;
+ case 't':
+ emitcp = 0x0009;
+ break;
+ case 'v':
+ emitcp = 0x000b;
+ break;
+ case 'x':
+ case 'u': {
+ duk_codepoint_t esc_cp;
+ esc_cp = duk__lexer_parse_escape(lex_ctx, 1 /*allow_es6*/);
+ DUK__APPENDBUFFER(lex_ctx, esc_cp);
+ adv = 0;
+ break;
+ }
+ default: {
+ if (duk_unicode_is_line_terminator(x)) {
+ /* line continuation */
+ if (x == 0x000d && DUK__L2() == 0x000a) {
+ /* CR LF again a special case */
+ adv = 3; /* line terminator, CR, LF */
+ }
+ } else if (DUK__ISDIGIT(x)) {
+ /*
+ * Octal escape or zero escape:
+ * \0 (lookahead not OctalDigit)
+ * \1 ... \7 (lookahead not OctalDigit)
+ * \ZeroToThree OctalDigit (lookahead not OctalDigit)
+ * \FourToSeven OctalDigit (no lookahead restrictions)
+ * \ZeroToThree OctalDigit OctalDigit (no lookahead restrictions)
+ *
+ * Zero escape is part of the standard syntax. Octal escapes are
+ * defined in E5 Section B.1.2, and are only allowed in non-strict mode.
+ * Any other productions starting with a decimal digit are invalid
+ * but are in practice treated like identity escapes.
+ *
+ * Parse octal (up to 3 digits) from the lookup window.
+ */
+
+ duk_codepoint_t tmp;
+ duk_small_uint_t lookup_idx;
+
+ emitcp = 0;
+ for (lookup_idx = 1; lookup_idx <= 3; lookup_idx++) {
+ DUK_DDD(DUK_DDDPRINT("lookup_idx=%ld, emitcp=%ld", (long) lookup_idx, (long) emitcp));
+ tmp = DUK__LOOKUP(lex_ctx, lookup_idx);
+ if (tmp < DUK_ASC_0 || tmp > DUK_ASC_7) {
+ /* No more valid digits. */
+ break;
+ }
+ tmp = (emitcp << 3) + (tmp - DUK_ASC_0);
+ if (tmp > 0xff) {
+ /* Three digit octal escapes above \377 (= 0xff)
+ * are not allowed.
+ */
+ break;
+ }
+ emitcp = tmp;
+ }
+ DUK_DDD(DUK_DDDPRINT("final lookup_idx=%ld, emitcp=%ld", (long) lookup_idx, (long) emitcp));
+
+ adv = lookup_idx;
+ if (lookup_idx == 1) {
+ /* \8 or \9 -> treat as literal, accept also
+ * in strict mode.
+ */
+ DUK_DDD(DUK_DDDPRINT("\\8 or \\9 -> treat as literal, accept in strict mode too"));
+ emitcp = x;
+ adv++; /* correction to above, eat offending character */
+ } else if (lookup_idx == 2 && emitcp == 0) {
+ /* Zero escape, also allowed in non-strict mode. */
+ DUK_DDD(DUK_DDDPRINT("\\0 -> accept in strict mode too"));
+ } else {
+ /* Valid octal, only accept in non-strict mode. */
+ DUK_DDD(DUK_DDDPRINT("octal literal %ld -> accept only in non-strict-mode", (long) emitcp));
+ DUK_ASSERT(emitcp >= 0 && emitcp <= 0xff);
+ if (strict_mode) {
+ goto fail_escape;
+ }
+ }
+ } else if (x < 0) {
+ goto fail_unterminated;
+ } else {
+ /* escaped NonEscapeCharacter */
+ DUK__APPENDBUFFER(lex_ctx, x);
+ }
+ } /* end default clause */
+ } /* end switch */
+
+ /* Shared handling for single codepoint escapes. */
+ if (emitcp >= 0) {
+ DUK__APPENDBUFFER(lex_ctx, emitcp);
+ }
+
+ /* Track number of escapes; count not really needed but directive
+ * prologues need to detect whether there were any escapes or line
+ * continuations or not.
+ */
+ out_token->num_escapes++;
+ } else if (x >= 0x20 && x <= 0x7f) {
+ /* Fast path for ASCII case, avoids line terminator
+ * check and CESU-8 encoding.
+ */
+ DUK_ASSERT(x >= 0);
+ DUK_ASSERT(!duk_unicode_is_line_terminator(x));
+ DUK_ASSERT(x != quote);
+ DUK_ASSERT(x != DUK_ASC_BACKSLASH);
+ DUK__APPENDBUFFER_ASCII(lex_ctx, x);
+ } else if (x < 0 || duk_unicode_is_line_terminator(x)) {
+ goto fail_unterminated;
+ } else {
+ /* Character which is part of the string but wasn't handled
+ * by the fast path.
+ */
+ DUK__APPENDBUFFER(lex_ctx, x);
+ }
+ } /* string parse loop */
+
+ return;
+
+ fail_escape:
+ DUK_ERROR_SYNTAX(lex_ctx->thr, DUK_STR_INVALID_ESCAPE);
+ return;
+
+ fail_unterminated:
+ DUK_ERROR_SYNTAX(lex_ctx->thr, DUK_STR_UNTERMINATED_STRING);
+ return;
}
/*
@@ -73819,8 +77898,7 @@ void duk_lexer_parse_js_input_element(duk_lexer_ctx *lex_ctx,
duk_bool_t got_lineterm = 0; /* got lineterm preceding non-whitespace, non-lineterm token */
if (++lex_ctx->token_count >= lex_ctx->token_limit) {
- DUK_ERROR_RANGE(lex_ctx->thr, "token limit");
- return; /* unreachable */
+ goto fail_token_limit;
}
out_token->t = DUK_TOK_EOF;
@@ -73883,7 +77961,7 @@ void duk_lexer_parse_js_input_element(duk_lexer_ctx *lex_ctx,
got_lineterm = 1;
goto restart_lineupdate;
case DUK_ASC_SLASH: /* '/' */
- if (DUK__L1() == '/') {
+ if (DUK__L1() == DUK_ASC_SLASH) {
/*
* E5 Section 7.4, allow SourceCharacter (which is any 16-bit
* code point).
@@ -73898,7 +77976,7 @@ void duk_lexer_parse_js_input_element(duk_lexer_ctx *lex_ctx,
DUK__ADVANCECHARS(lex_ctx, 1);
}
goto restart; /* line terminator will be handled on next round */
- } else if (DUK__L1() == '*') {
+ } else if (DUK__L1() == DUK_ASC_STAR) {
/*
* E5 Section 7.4. If the multi-line comment contains a newline,
* it is treated like a single line terminator for automatic
@@ -73910,16 +77988,16 @@ void duk_lexer_parse_js_input_element(duk_lexer_ctx *lex_ctx,
for (;;) {
x = DUK__L0();
if (x < 0) {
- DUK_ERROR_SYNTAX(lex_ctx->thr, "eof in multiline comment");
+ goto fail_unterm_comment;
}
DUK__ADVANCECHARS(lex_ctx, 1);
- if (last_asterisk && x == '/') {
+ if (last_asterisk && x == DUK_ASC_SLASH) {
break;
}
if (duk_unicode_is_line_terminator(x)) {
got_lineterm = 1;
}
- last_asterisk = (x == '*');
+ last_asterisk = (x == DUK_ASC_STAR);
}
goto restart_lineupdate;
} else if (regexp_mode) {
@@ -73988,24 +78066,24 @@ void duk_lexer_parse_js_input_element(duk_lexer_ctx *lex_ctx,
DUK__ADVANCECHARS(lex_ctx, 1); /* skip opening slash on first loop */
x = DUK__L0();
if (x < 0 || duk_unicode_is_line_terminator(x)) {
- DUK_ERROR_SYNTAX(lex_ctx->thr, "eof or line terminator in regexp");
+ goto fail_unterm_regexp;
}
x = DUK__L0(); /* re-read to avoid spill / fetch */
if (state == 0) {
- if (x == '/') {
+ if (x == DUK_ASC_SLASH) {
DUK__ADVANCECHARS(lex_ctx, 1); /* eat closing slash */
break;
- } else if (x == '\\') {
+ } else if (x == DUK_ASC_BACKSLASH) {
state = 1;
- } else if (x == '[') {
+ } else if (x == DUK_ASC_LBRACKET) {
state = 2;
}
} else if (state == 1) {
state = 0;
} else if (state == 2) {
- if (x == ']') {
+ if (x == DUK_ASC_RBRACKET) {
state = 0;
- } else if (x == '\\') {
+ } else if (x == DUK_ASC_BACKSLASH) {
state = 3;
}
} else { /* state == 3 */
@@ -74013,8 +78091,7 @@ void duk_lexer_parse_js_input_element(duk_lexer_ctx *lex_ctx,
}
DUK__APPENDBUFFER(lex_ctx, x);
}
- duk__internbuffer(lex_ctx, lex_ctx->slot1_idx);
- out_token->str1 = duk_get_hstring((duk_context *) lex_ctx->thr, lex_ctx->slot1_idx);
+ out_token->str1 = duk__internbuffer(lex_ctx, lex_ctx->slot1_idx);
/* second, parse flags */
@@ -74028,18 +78105,17 @@ void duk_lexer_parse_js_input_element(duk_lexer_ctx *lex_ctx,
DUK__APPENDBUFFER(lex_ctx, x);
DUK__ADVANCECHARS(lex_ctx, 1);
}
- duk__internbuffer(lex_ctx, lex_ctx->slot2_idx);
- out_token->str2 = duk_get_hstring((duk_context *) lex_ctx->thr, lex_ctx->slot2_idx);
+ out_token->str2 = duk__internbuffer(lex_ctx, lex_ctx->slot2_idx);
DUK__INITBUFFER(lex_ctx); /* free some memory */
/* validation of the regexp is caller's responsibility */
advtok = DUK__ADVTOK(0, DUK_TOK_REGEXP);
-#else
- DUK_ERROR_SYNTAX(lex_ctx->thr, "regexp support disabled");
-#endif
- } else if (DUK__L1() == '=') {
+#else /* DUK_USE_REGEXP_SUPPORT */
+ goto fail_regexp_support;
+#endif /* DUK_USE_REGEXP_SUPPORT */
+ } else if (DUK__L1() == DUK_ASC_EQUALS) {
/* "/=" and not in regexp mode */
advtok = DUK__ADVTOK(2, DUK_TOK_DIV_EQ);
} else {
@@ -74083,101 +78159,108 @@ void duk_lexer_parse_js_input_element(duk_lexer_ctx *lex_ctx,
advtok = DUK__ADVTOK(1, DUK_TOK_COMMA);
break;
case DUK_ASC_LANGLE: /* '<' */
- if (DUK__L1() == '<' && DUK__L2() == '=') {
+ if (DUK__L1() == DUK_ASC_LANGLE && DUK__L2() == DUK_ASC_EQUALS) {
advtok = DUK__ADVTOK(3, DUK_TOK_ALSHIFT_EQ);
- } else if (DUK__L1() == '=') {
+ } else if (DUK__L1() == DUK_ASC_EQUALS) {
advtok = DUK__ADVTOK(2, DUK_TOK_LE);
- } else if (DUK__L1() == '<') {
+ } else if (DUK__L1() == DUK_ASC_LANGLE) {
advtok = DUK__ADVTOK(2, DUK_TOK_ALSHIFT);
} else {
advtok = DUK__ADVTOK(1, DUK_TOK_LT);
}
break;
case DUK_ASC_RANGLE: /* '>' */
- if (DUK__L1() == '>' && DUK__L2() == '>' && DUK__L3() == '=') {
+ if (DUK__L1() == DUK_ASC_RANGLE && DUK__L2() == DUK_ASC_RANGLE && DUK__L3() == DUK_ASC_EQUALS) {
advtok = DUK__ADVTOK(4, DUK_TOK_RSHIFT_EQ);
- } else if (DUK__L1() == '>' && DUK__L2() == '>') {
+ } else if (DUK__L1() == DUK_ASC_RANGLE && DUK__L2() == DUK_ASC_RANGLE) {
advtok = DUK__ADVTOK(3, DUK_TOK_RSHIFT);
- } else if (DUK__L1() == '>' && DUK__L2() == '=') {
+ } else if (DUK__L1() == DUK_ASC_RANGLE && DUK__L2() == DUK_ASC_EQUALS) {
advtok = DUK__ADVTOK(3, DUK_TOK_ARSHIFT_EQ);
- } else if (DUK__L1() == '=') {
+ } else if (DUK__L1() == DUK_ASC_EQUALS) {
advtok = DUK__ADVTOK(2, DUK_TOK_GE);
- } else if (DUK__L1() == '>') {
+ } else if (DUK__L1() == DUK_ASC_RANGLE) {
advtok = DUK__ADVTOK(2, DUK_TOK_ARSHIFT);
} else {
advtok = DUK__ADVTOK(1, DUK_TOK_GT);
}
break;
case DUK_ASC_EQUALS: /* '=' */
- if (DUK__L1() == '=' && DUK__L2() == '=') {
+ if (DUK__L1() == DUK_ASC_EQUALS && DUK__L2() == DUK_ASC_EQUALS) {
advtok = DUK__ADVTOK(3, DUK_TOK_SEQ);
- } else if (DUK__L1() == '=') {
+ } else if (DUK__L1() == DUK_ASC_EQUALS) {
advtok = DUK__ADVTOK(2, DUK_TOK_EQ);
} else {
advtok = DUK__ADVTOK(1, DUK_TOK_EQUALSIGN);
}
break;
case DUK_ASC_EXCLAMATION: /* '!' */
- if (DUK__L1() == '=' && DUK__L2() == '=') {
+ if (DUK__L1() == DUK_ASC_EQUALS && DUK__L2() == DUK_ASC_EQUALS) {
advtok = DUK__ADVTOK(3, DUK_TOK_SNEQ);
- } else if (DUK__L1() == '=') {
+ } else if (DUK__L1() == DUK_ASC_EQUALS) {
advtok = DUK__ADVTOK(2, DUK_TOK_NEQ);
} else {
advtok = DUK__ADVTOK(1, DUK_TOK_LNOT);
}
break;
case DUK_ASC_PLUS: /* '+' */
- if (DUK__L1() == '+') {
+ if (DUK__L1() == DUK_ASC_PLUS) {
advtok = DUK__ADVTOK(2, DUK_TOK_INCREMENT);
- } else if (DUK__L1() == '=') {
+ } else if (DUK__L1() == DUK_ASC_EQUALS) {
advtok = DUK__ADVTOK(2, DUK_TOK_ADD_EQ);
} else {
advtok = DUK__ADVTOK(1, DUK_TOK_ADD);
}
break;
case DUK_ASC_MINUS: /* '-' */
- if (DUK__L1() == '-') {
+ if (DUK__L1() == DUK_ASC_MINUS) {
advtok = DUK__ADVTOK(2, DUK_TOK_DECREMENT);
- } else if (DUK__L1() == '=') {
+ } else if (DUK__L1() == DUK_ASC_EQUALS) {
advtok = DUK__ADVTOK(2, DUK_TOK_SUB_EQ);
} else {
advtok = DUK__ADVTOK(1, DUK_TOK_SUB);
}
break;
case DUK_ASC_STAR: /* '*' */
- if (DUK__L1() == '=') {
+#if defined(DUK_USE_ES7_EXP_OPERATOR)
+ if (DUK__L1() == DUK_ASC_STAR && DUK__L2() == DUK_ASC_EQUALS) {
+ advtok = DUK__ADVTOK(3, DUK_TOK_EXP_EQ);
+ } else if (DUK__L1() == DUK_ASC_STAR) {
+ advtok = DUK__ADVTOK(2, DUK_TOK_EXP);
+ } else
+#endif
+ if (DUK__L1() == DUK_ASC_EQUALS) {
advtok = DUK__ADVTOK(2, DUK_TOK_MUL_EQ);
} else {
advtok = DUK__ADVTOK(1, DUK_TOK_MUL);
}
break;
case DUK_ASC_PERCENT: /* '%' */
- if (DUK__L1() == '=') {
+ if (DUK__L1() == DUK_ASC_EQUALS) {
advtok = DUK__ADVTOK(2, DUK_TOK_MOD_EQ);
} else {
advtok = DUK__ADVTOK(1, DUK_TOK_MOD);
}
break;
case DUK_ASC_AMP: /* '&' */
- if (DUK__L1() == '&') {
+ if (DUK__L1() == DUK_ASC_AMP) {
advtok = DUK__ADVTOK(2, DUK_TOK_LAND);
- } else if (DUK__L1() == '=') {
+ } else if (DUK__L1() == DUK_ASC_EQUALS) {
advtok = DUK__ADVTOK(2, DUK_TOK_BAND_EQ);
} else {
advtok = DUK__ADVTOK(1, DUK_TOK_BAND);
}
break;
case DUK_ASC_PIPE: /* '|' */
- if (DUK__L1() == '|') {
+ if (DUK__L1() == DUK_ASC_PIPE) {
advtok = DUK__ADVTOK(2, DUK_TOK_LOR);
- } else if (DUK__L1() == '=') {
+ } else if (DUK__L1() == DUK_ASC_EQUALS) {
advtok = DUK__ADVTOK(2, DUK_TOK_BOR_EQ);
} else {
advtok = DUK__ADVTOK(1, DUK_TOK_BOR);
}
break;
case DUK_ASC_CARET: /* '^' */
- if (DUK__L1() == '=') {
+ if (DUK__L1() == DUK_ASC_EQUALS) {
advtok = DUK__ADVTOK(2, DUK_TOK_BXOR_EQ);
} else {
advtok = DUK__ADVTOK(1, DUK_TOK_BXOR);
@@ -74194,140 +78277,10 @@ void duk_lexer_parse_js_input_element(duk_lexer_ctx *lex_ctx,
break;
case DUK_ASC_DOUBLEQUOTE: /* '"' */
case DUK_ASC_SINGLEQUOTE: { /* '\'' */
- duk_small_int_t quote = x; /* Note: duk_uint8_t type yields larger code */
- duk_small_int_t adv;
-
DUK__INITBUFFER(lex_ctx);
- for (;;) {
- DUK__ADVANCECHARS(lex_ctx, 1); /* eat opening quote on first loop */
- x = DUK__L0();
- if (x < 0 || duk_unicode_is_line_terminator(x)) {
- DUK_ERROR_SYNTAX(lex_ctx->thr, "eof or line terminator in string literal");
- }
- if (x == quote) {
- DUK__ADVANCECHARS(lex_ctx, 1); /* eat closing quote */
- break;
- }
- if (x == '\\') {
- /* DUK__L0 -> '\' char
- * DUK__L1 ... DUK__L5 -> more lookup
- */
-
- x = DUK__L1();
-
- /* How much to advance before next loop; note that next loop
- * will advance by 1 anyway, so -1 from the total escape
- * length (e.g. len('\uXXXX') - 1 = 6 - 1). As a default,
- * 1 is good.
- */
- adv = 2 - 1; /* note: long live range */
-
- if (x < 0) {
- DUK_ERROR_SYNTAX(lex_ctx->thr, "eof or line terminator in string literal");
- }
- if (duk_unicode_is_line_terminator(x)) {
- /* line continuation */
- if (x == 0x000d && DUK__L2() == 0x000a) {
- /* CR LF again a special case */
- adv = 3 - 1;
- }
- } else if (x == '\'') {
- DUK__APPENDBUFFER(lex_ctx, 0x0027);
- } else if (x == '"') {
- DUK__APPENDBUFFER(lex_ctx, 0x0022);
- } else if (x == '\\') {
- DUK__APPENDBUFFER(lex_ctx, 0x005c);
- } else if (x == 'b') {
- DUK__APPENDBUFFER(lex_ctx, 0x0008);
- } else if (x == 'f') {
- DUK__APPENDBUFFER(lex_ctx, 0x000c);
- } else if (x == 'n') {
- DUK__APPENDBUFFER(lex_ctx, 0x000a);
- } else if (x == 'r') {
- DUK__APPENDBUFFER(lex_ctx, 0x000d);
- } else if (x == 't') {
- DUK__APPENDBUFFER(lex_ctx, 0x0009);
- } else if (x == 'v') {
- DUK__APPENDBUFFER(lex_ctx, 0x000b);
- } else if (x == 'x') {
- adv = 4 - 1;
- DUK__APPENDBUFFER(lex_ctx, duk__decode_hexesc_from_window(lex_ctx, 2));
- } else if (x == 'u') {
- adv = 6 - 1;
- DUK__APPENDBUFFER(lex_ctx, duk__decode_uniesc_from_window(lex_ctx, 2));
- } else if (DUK__ISDIGIT(x)) {
- duk_codepoint_t ch = 0; /* initialized to avoid warnings of unused var */
-
- /*
- * Octal escape or zero escape:
- * \0 (lookahead not DecimalDigit)
- * \1 ... \7 (lookahead not DecimalDigit)
- * \ZeroToThree OctalDigit (lookahead not DecimalDigit)
- * \FourToSeven OctalDigit (no lookahead restrictions)
- * \ZeroToThree OctalDigit OctalDigit (no lookahead restrictions)
- *
- * Zero escape is part of the standard syntax. Octal escapes are
- * defined in E5 Section B.1.2, and are only allowed in non-strict mode.
- * Any other productions starting with a decimal digit are invalid.
- */
-
- if (x == '0' && !DUK__ISDIGIT(DUK__L2())) {
- /* Zero escape (also allowed in non-strict mode) */
- ch = 0;
- /* adv = 2 - 1 default OK */
-#if defined(DUK_USE_OCTAL_SUPPORT)
- } else if (strict_mode) {
- /* No other escape beginning with a digit in strict mode */
- DUK_ERROR_SYNTAX(lex_ctx->thr, "invalid escape in string literal");
- } else if (DUK__ISDIGIT03(x) && DUK__ISOCTDIGIT(DUK__L2()) && DUK__ISOCTDIGIT(DUK__L3())) {
- /* Three digit octal escape, digits validated. */
- adv = 4 - 1;
- ch = (duk__hexval(lex_ctx, x) << 6) +
- (duk__hexval(lex_ctx, DUK__L2()) << 3) +
- duk__hexval(lex_ctx, DUK__L3());
- } else if (((DUK__ISDIGIT03(x) && !DUK__ISDIGIT(DUK__L3())) || DUK__ISDIGIT47(x)) &&
- DUK__ISOCTDIGIT(DUK__L2())) {
- /* Two digit octal escape, digits validated.
- *
- * The if-condition is a bit tricky. We could catch e.g.
- * '\039' in the three-digit escape and fail it there (by
- * validating the digits), but we want to avoid extra
- * additional validation code.
- */
- adv = 3 - 1;
- ch = (duk__hexval(lex_ctx, x) << 3) +
- duk__hexval(lex_ctx, DUK__L2());
- } else if (DUK__ISDIGIT(x) && !DUK__ISDIGIT(DUK__L2())) {
- /* One digit octal escape, digit validated. */
- /* adv = 2 default OK */
- ch = duk__hexval(lex_ctx, x);
-#else
- /* fall through to error */
-#endif
- } else {
- DUK_ERROR_SYNTAX(lex_ctx->thr, "invalid escape in string literal");
- }
-
- DUK__APPENDBUFFER(lex_ctx, ch);
- } else {
- /* escaped NonEscapeCharacter */
- DUK__APPENDBUFFER(lex_ctx, x);
- }
- DUK__ADVANCECHARS(lex_ctx, adv);
-
- /* Track number of escapes; count not really needed but directive
- * prologues need to detect whether there were any escapes or line
- * continuations or not.
- */
- out_token->num_escapes++;
- } else {
- /* part of string */
- DUK__APPENDBUFFER(lex_ctx, x);
- }
- }
-
+ duk__lexer_parse_string_literal(lex_ctx, out_token, x /*quote*/, strict_mode);
duk__internbuffer(lex_ctx, lex_ctx->slot1_idx);
- out_token->str1 = duk_get_hstring((duk_context *) lex_ctx->thr, lex_ctx->slot1_idx);
+ out_token->str1 = duk_known_hstring((duk_context *) lex_ctx->thr, lex_ctx->slot1_idx);
DUK__INITBUFFER(lex_ctx); /* free some memory */
@@ -74354,7 +78307,7 @@ void duk_lexer_parse_js_input_element(duk_lexer_ctx *lex_ctx,
}
got_lineterm = 1;
goto restart_lineupdate;
- } else if (duk_unicode_is_identifier_start(x) || x == '\\') {
+ } else if (duk_unicode_is_identifier_start(x) || x == DUK_ASC_BACKSLASH) {
/*
* Parse an identifier and then check whether it is:
* - reserved word (keyword or other reserved word)
@@ -74393,22 +78346,20 @@ void duk_lexer_parse_js_input_element(duk_lexer_ctx *lex_ctx,
DUK__INITBUFFER(lex_ctx);
for (;;) {
/* re-lookup first char on first loop */
- if (DUK__L0() == '\\') {
- duk_codepoint_t ch;
- if (DUK__L1() != 'u') {
- DUK_ERROR_SYNTAX(lex_ctx->thr, "invalid unicode escape in identifier");
+ if (DUK__L0() == DUK_ASC_BACKSLASH) {
+ duk_codepoint_t esc_cp;
+ if (DUK__L1() != DUK_ASC_LC_U) {
+ goto fail_escape;
}
-
- ch = duk__decode_uniesc_from_window(lex_ctx, 2);
+ esc_cp = duk__lexer_parse_escape(lex_ctx, 1 /*allow_es6*/);
+ DUK__APPENDBUFFER(lex_ctx, esc_cp);
/* IdentifierStart is stricter than IdentifierPart, so if the first
* character is escaped, must have a stricter check here.
*/
- if (!(first ? duk_unicode_is_identifier_start(ch) : duk_unicode_is_identifier_part(ch))) {
- DUK_ERROR_SYNTAX(lex_ctx->thr, "invalid unicode escape in identifier");
+ if (!(first ? duk_unicode_is_identifier_start(esc_cp) : duk_unicode_is_identifier_part(esc_cp))) {
+ goto fail_escape;
}
- DUK__APPENDBUFFER(lex_ctx, ch);
- DUK__ADVANCECHARS(lex_ctx, 6);
/* Track number of escapes: necessary for proper keyword
* detection.
@@ -74429,10 +78380,8 @@ void duk_lexer_parse_js_input_element(duk_lexer_ctx *lex_ctx,
first = 0;
}
- duk__internbuffer(lex_ctx, lex_ctx->slot1_idx);
- out_token->str1 = duk_get_hstring((duk_context *) lex_ctx->thr, lex_ctx->slot1_idx);
+ out_token->str1 = duk__internbuffer(lex_ctx, lex_ctx->slot1_idx);
str = out_token->str1;
- DUK_ASSERT(str != NULL);
out_token->t_nores = DUK_TOK_IDENTIFIER;
DUK__INITBUFFER(lex_ctx); /* free some memory */
@@ -74469,23 +78418,23 @@ void duk_lexer_parse_js_input_element(duk_lexer_ctx *lex_ctx,
}
}
}
- } else if (DUK__ISDIGIT(x) || (x == '.')) {
+ } else if (DUK__ISDIGIT(x) || (x == DUK_ASC_PERIOD)) {
/* Note: decimal number may start with a period, but must be followed by a digit */
/*
- * DecimalLiteral, HexIntegerLiteral, OctalIntegerLiteral
- * "pre-parsing", followed by an actual, accurate parser step.
+ * Pre-parsing for decimal, hex, octal (both legacy and ES2015),
+ * and binary literals, followed by an actual parser step
+ * provided by numconv.
*
* Note: the leading sign character ('+' or '-') is -not- part of
* the production in E5 grammar, and that the a DecimalLiteral
- * starting with a '0' must be followed by a non-digit. Leading
- * zeroes are syntax errors and must be checked for.
+ * starting with a '0' must be followed by a non-digit.
*
* XXX: the two step parsing process is quite awkward, it would
* be more straightforward to allow numconv to parse the longest
* valid prefix (it already does that, it only needs to indicate
* where the input ended). However, the lexer decodes characters
- * using a lookup window, so this is not a trivial change.
+ * using a limited lookup window, so this is not a trivial change.
*/
/* XXX: because of the final check below (that the literal is not
@@ -74495,39 +78444,58 @@ void duk_lexer_parse_js_input_element(duk_lexer_ctx *lex_ctx,
*/
duk_double_t val;
- duk_bool_t int_only = 0;
- duk_bool_t allow_hex = 0;
+ duk_bool_t legacy_oct = 0;
duk_small_int_t state; /* 0=before period/exp,
* 1=after period, before exp
* 2=after exp, allow '+' or '-'
* 3=after exp and exp sign
*/
duk_small_uint_t s2n_flags;
- duk_codepoint_t y;
+ duk_codepoint_t y, z;
+ duk_small_uint_t s2n_radix = 10;
+ duk_small_uint_t pre_adv = 0;
DUK__INITBUFFER(lex_ctx);
y = DUK__L1();
- if (x == '0' && (y == 'x' || y == 'X')) {
- DUK__APPENDBUFFER(lex_ctx, x);
- DUK__APPENDBUFFER(lex_ctx, y);
- DUK__ADVANCECHARS(lex_ctx, 2);
- int_only = 1;
- allow_hex = 1;
-#if defined(DUK_USE_OCTAL_SUPPORT)
- } else if (!strict_mode && x == '0' && DUK__ISDIGIT(y)) {
- /* Note: if DecimalLiteral starts with a '0', it can only be
- * followed by a period or an exponent indicator which starts
- * with 'e' or 'E'. Hence the if-check above ensures that
- * OctalIntegerLiteral is the only valid NumericLiteral
- * alternative at this point (even if y is, say, '9').
- */
- DUK__APPENDBUFFER(lex_ctx, x);
- DUK__ADVANCECHARS(lex_ctx, 1);
- int_only = 1;
-#endif
+ if (x == DUK_ASC_0) {
+ z = DUK_LOWERCASE_CHAR_ASCII(y);
+
+ pre_adv = 2; /* default for 0xNNN, 0oNNN, 0bNNN. */
+ if (z == DUK_ASC_LC_X) {
+ s2n_radix = 16;
+ } else if (z == DUK_ASC_LC_O) {
+ s2n_radix = 8;
+ } else if (z == DUK_ASC_LC_B) {
+ s2n_radix = 2;
+ } else {
+ pre_adv = 0;
+ if (DUK__ISDIGIT(y)) {
+ if (strict_mode) {
+ /* Reject octal like \07 but also octal-lookalike
+ * decimal like \08 in strict mode.
+ */
+ goto fail_number_literal;
+ } else {
+ /* Legacy OctalIntegerLiteral or octal-lookalice
+ * decimal. Deciding between the two happens below
+ * in digit scanning.
+ */
+ DUK__APPENDBUFFER(lex_ctx, x);
+ pre_adv = 1;
+ legacy_oct = 1;
+ s2n_radix = 8; /* tentative unless conflicting digits found */
+ }
+ }
+ }
}
+ DUK__ADVANCECHARS(lex_ctx, pre_adv);
+
+ /* XXX: we could parse integers here directly, and fall back
+ * to numconv only when encountering a fractional expression
+ * or when an octal literal turned out to be decimal (0778 etc).
+ */
state = 0;
for (;;) {
x = DUK__L0(); /* re-lookup curr char on first round */
@@ -74535,25 +78503,35 @@ void duk_lexer_parse_js_input_element(duk_lexer_ctx *lex_ctx,
/* Note: intentionally allow leading zeroes here, as the
* actual parser will check for them.
*/
+ if (state == 0 && legacy_oct && (x == DUK_ASC_8 || x == DUK_ASC_9)) {
+ /* Started out as an octal-lookalike
+ * but interpreted as decimal, e.g.
+ * '0779' -> 779. This also means
+ * that fractions are allowed, e.g.
+ * '0779.123' is allowed but '0777.123'
+ * is not!
+ */
+ s2n_radix = 10;
+ }
if (state == 2) {
state = 3;
}
- } else if (allow_hex && DUK__ISHEXDIGIT(x)) {
+ } else if (s2n_radix == 16 && DUK__ISHEXDIGIT(x)) {
/* Note: 'e' and 'E' are also accepted here. */
;
- } else if (x == '.') {
- if (state >= 1 || int_only) {
+ } else if (x == DUK_ASC_PERIOD) {
+ if (state >= 1 || s2n_radix != 10) {
break;
} else {
state = 1;
}
- } else if (x == 'e' || x == 'E') {
- if (state >= 2 || int_only) {
+ } else if (x == DUK_ASC_LC_E || x == DUK_ASC_UC_E) {
+ if (state >= 2 || s2n_radix != 10) {
break;
} else {
state = 2;
}
- } else if (x == '-' || x == '+') {
+ } else if (x == DUK_ASC_MINUS || x == DUK_ASC_PLUS) {
if (state != 2) {
break;
} else {
@@ -74567,22 +78545,24 @@ void duk_lexer_parse_js_input_element(duk_lexer_ctx *lex_ctx,
}
/* XXX: better coercion */
- duk__internbuffer(lex_ctx, lex_ctx->slot1_idx);
+ (void) duk__internbuffer(lex_ctx, lex_ctx->slot1_idx);
- s2n_flags = DUK_S2N_FLAG_ALLOW_EXP |
- DUK_S2N_FLAG_ALLOW_FRAC |
- DUK_S2N_FLAG_ALLOW_NAKED_FRAC |
- DUK_S2N_FLAG_ALLOW_EMPTY_FRAC |
-#if defined(DUK_USE_OCTAL_SUPPORT)
- (strict_mode ? 0 : DUK_S2N_FLAG_ALLOW_AUTO_OCT_INT) |
-#endif
- DUK_S2N_FLAG_ALLOW_AUTO_HEX_INT;
+ if (s2n_radix != 10) {
+ /* For bases other than 10, integer only. */
+ s2n_flags = DUK_S2N_FLAG_ALLOW_LEADING_ZERO;
+ } else {
+ s2n_flags = DUK_S2N_FLAG_ALLOW_EXP |
+ DUK_S2N_FLAG_ALLOW_FRAC |
+ DUK_S2N_FLAG_ALLOW_NAKED_FRAC |
+ DUK_S2N_FLAG_ALLOW_EMPTY_FRAC |
+ DUK_S2N_FLAG_ALLOW_LEADING_ZERO;
+ }
duk_dup((duk_context *) lex_ctx->thr, lex_ctx->slot1_idx);
- duk_numconv_parse((duk_context *) lex_ctx->thr, 10 /*radix*/, s2n_flags);
- val = duk_to_number((duk_context *) lex_ctx->thr, -1);
+ duk_numconv_parse((duk_context *) lex_ctx->thr, s2n_radix, s2n_flags);
+ val = duk_to_number_m1((duk_context *) lex_ctx->thr);
if (DUK_ISNAN(val)) {
- DUK_ERROR_SYNTAX(lex_ctx->thr, "invalid numeric literal");
+ goto fail_number_literal;
}
duk_replace((duk_context *) lex_ctx->thr, lex_ctx->slot1_idx); /* could also just pop? */
@@ -74593,7 +78573,7 @@ void duk_lexer_parse_js_input_element(duk_lexer_ctx *lex_ctx,
*/
if (DUK__ISDIGIT(DUK__L0()) || duk_unicode_is_identifier_start(DUK__L0())) {
- DUK_ERROR_SYNTAX(lex_ctx->thr, "invalid numeric literal");
+ goto fail_number_literal;
}
out_token->num = val;
@@ -74604,7 +78584,7 @@ void duk_lexer_parse_js_input_element(duk_lexer_ctx *lex_ctx,
} else if (x < 0) {
advtok = DUK__ADVTOK(0, DUK_TOK_EOF);
} else {
- DUK_ERROR_SYNTAX(lex_ctx->thr, "invalid token");
+ goto fail_token;
}
skip_slow_path:
@@ -74628,6 +78608,38 @@ void duk_lexer_parse_js_input_element(duk_lexer_ctx *lex_ctx,
} else {
out_token->allow_auto_semi = 0;
}
+
+ return;
+
+ fail_token_limit:
+ DUK_ERROR_RANGE(lex_ctx->thr, DUK_STR_TOKEN_LIMIT);
+ return;
+
+ fail_token:
+ DUK_ERROR_SYNTAX(lex_ctx->thr, DUK_STR_INVALID_TOKEN);
+ return;
+
+ fail_number_literal:
+ DUK_ERROR_SYNTAX(lex_ctx->thr, DUK_STR_INVALID_NUMBER_LITERAL);
+ return;
+
+ fail_escape:
+ DUK_ERROR_SYNTAX(lex_ctx->thr, DUK_STR_INVALID_ESCAPE);
+ return;
+
+ fail_unterm_regexp:
+ DUK_ERROR_SYNTAX(lex_ctx->thr, DUK_STR_UNTERMINATED_REGEXP);
+ return;
+
+ fail_unterm_comment:
+ DUK_ERROR_SYNTAX(lex_ctx->thr, DUK_STR_UNTERMINATED_COMMENT);
+ return;
+
+#if !defined(DUK_USE_REGEXP_SUPPORT)
+ fail_regexp_support:
+ DUK_ERROR_SYNTAX(lex_ctx->thr, DUK_STR_REGEXP_SUPPORT_DISABLED);
+ return;
+#endif
}
#if defined(DUK_USE_REGEXP_SUPPORT)
@@ -74646,8 +78658,7 @@ DUK_INTERNAL void duk_lexer_parse_re_token(duk_lexer_ctx *lex_ctx, duk_re_token
duk_codepoint_t x, y;
if (++lex_ctx->token_count >= lex_ctx->token_limit) {
- DUK_ERROR_RANGE(lex_ctx->thr, "token limit");
- return; /* unreachable */
+ goto fail_token_limit;
}
DUK_MEMZERO(out_token, sizeof(*out_token));
@@ -74658,22 +78669,22 @@ DUK_INTERNAL void duk_lexer_parse_re_token(duk_lexer_ctx *lex_ctx, duk_re_token
DUK_DDD(DUK_DDDPRINT("parsing regexp token, L0=%ld, L1=%ld", (long) x, (long) y));
switch (x) {
- case '|': {
+ case DUK_ASC_PIPE: {
advtok = DUK__ADVTOK(1, DUK_RETOK_DISJUNCTION);
break;
}
- case '^': {
+ case DUK_ASC_CARET: {
advtok = DUK__ADVTOK(1, DUK_RETOK_ASSERT_START);
break;
}
- case '$': {
+ case DUK_ASC_DOLLAR: {
advtok = DUK__ADVTOK(1, DUK_RETOK_ASSERT_END);
break;
}
- case '?': {
+ case DUK_ASC_QUESTION: {
out_token->qmin = 0;
out_token->qmax = 1;
- if (y == '?') {
+ if (y == DUK_ASC_QUESTION) {
advtok = DUK__ADVTOK(2, DUK_RETOK_QUANTIFIER);
out_token->greedy = 0;
} else {
@@ -74682,10 +78693,10 @@ DUK_INTERNAL void duk_lexer_parse_re_token(duk_lexer_ctx *lex_ctx, duk_re_token
}
break;
}
- case '*': {
+ case DUK_ASC_STAR: {
out_token->qmin = 0;
out_token->qmax = DUK_RE_QUANTIFIER_INFINITE;
- if (y == '?') {
+ if (y == DUK_ASC_QUESTION) {
advtok = DUK__ADVTOK(2, DUK_RETOK_QUANTIFIER);
out_token->greedy = 0;
} else {
@@ -74694,10 +78705,10 @@ DUK_INTERNAL void duk_lexer_parse_re_token(duk_lexer_ctx *lex_ctx, duk_re_token
}
break;
}
- case '+': {
+ case DUK_ASC_PLUS: {
out_token->qmin = 1;
out_token->qmax = DUK_RE_QUANTIFIER_INFINITE;
- if (y == '?') {
+ if (y == DUK_ASC_QUESTION) {
advtok = DUK__ADVTOK(2, DUK_RETOK_QUANTIFIER);
out_token->greedy = 0;
} else {
@@ -74706,16 +78717,16 @@ DUK_INTERNAL void duk_lexer_parse_re_token(duk_lexer_ctx *lex_ctx, duk_re_token
}
break;
}
- case '{': {
+ case DUK_ASC_LCURLY: {
/* Production allows 'DecimalDigits', including leading zeroes */
duk_uint_fast32_t val1 = 0;
duk_uint_fast32_t val2 = DUK_RE_QUANTIFIER_INFINITE;
duk_small_int_t digits = 0;
-#if defined(DUK_USE_ES6_REGEXP_BRACES)
+#if defined(DUK_USE_ES6_REGEXP_SYNTAX)
duk_lexer_point lex_pt;
#endif
-#if defined(DUK_USE_ES6_REGEXP_BRACES)
+#if defined(DUK_USE_ES6_REGEXP_SYNTAX)
/* Store lexer position, restoring if quantifier is invalid. */
DUK_LEXER_GETPOINT(lex_ctx, &lex_pt);
#endif
@@ -74725,15 +78736,15 @@ DUK_INTERNAL void duk_lexer_parse_re_token(duk_lexer_ctx *lex_ctx, duk_re_token
x = DUK__L0();
if (DUK__ISDIGIT(x)) {
digits++;
- val1 = val1 * 10 + (duk_uint_fast32_t) duk__hexval(lex_ctx, x);
- } else if (x == ',') {
+ val1 = val1 * 10 + (duk_uint_fast32_t) duk__hexval(x);
+ } else if (x == DUK_ASC_COMMA) {
if (digits > DUK__MAX_RE_QUANT_DIGITS) {
goto invalid_quantifier;
}
if (val2 != DUK_RE_QUANTIFIER_INFINITE) {
goto invalid_quantifier;
}
- if (DUK__L1() == '}') {
+ if (DUK__L1() == DUK_ASC_RCURLY) {
/* form: { DecimalDigits , }, val1 = min count */
if (digits == 0) {
goto invalid_quantifier;
@@ -74746,7 +78757,7 @@ DUK_INTERNAL void duk_lexer_parse_re_token(duk_lexer_ctx *lex_ctx, duk_re_token
val2 = val1;
val1 = 0;
digits = 0; /* not strictly necessary because of lookahead '}' above */
- } else if (x == '}') {
+ } else if (x == DUK_ASC_RCURLY) {
if (digits > DUK__MAX_RE_QUANT_DIGITS) {
goto invalid_quantifier;
}
@@ -74768,7 +78779,7 @@ DUK_INTERNAL void duk_lexer_parse_re_token(duk_lexer_ctx *lex_ctx, duk_re_token
goto invalid_quantifier;
}
}
- if (DUK__L0() == '?') {
+ if (DUK__L0() == DUK_ASC_QUESTION) {
out_token->greedy = 0;
DUK__ADVANCECHARS(lex_ctx, 1);
} else {
@@ -74777,78 +78788,80 @@ DUK_INTERNAL void duk_lexer_parse_re_token(duk_lexer_ctx *lex_ctx, duk_re_token
advtok = DUK__ADVTOK(0, DUK_RETOK_QUANTIFIER);
break;
invalid_quantifier:
-#if defined(DUK_USE_ES6_REGEXP_BRACES)
+#if defined(DUK_USE_ES6_REGEXP_SYNTAX)
/* Failed to match the quantifier, restore lexer and parse
* opening brace as a literal.
*/
DUK_LEXER_SETPOINT(lex_ctx, &lex_pt);
advtok = DUK__ADVTOK(1, DUK_RETOK_ATOM_CHAR);
- out_token->num = '{';
+ out_token->num = DUK_ASC_LCURLY;
#else
- DUK_ERROR_SYNTAX(lex_ctx->thr, "invalid regexp quantifier");
+ goto fail_quantifier;
#endif
break;
}
- case '.': {
+ case DUK_ASC_PERIOD: {
advtok = DUK__ADVTOK(1, DUK_RETOK_ATOM_PERIOD);
break;
}
- case '\\': {
+ case DUK_ASC_BACKSLASH: {
/* The E5.1 specification does not seem to allow IdentifierPart characters
* to be used as identity escapes. Unfortunately this includes '$', which
* cannot be escaped as '\$'; it needs to be escaped e.g. as '\u0024'.
* Many other implementations (including V8 and Rhino, for instance) do
- * accept '\$' as a valid identity escape, which is quite pragmatic.
- * See: test-regexp-identity-escape-dollar.js.
+ * accept '\$' as a valid identity escape, which is quite pragmatic, and
+ * ES2015 Annex B relaxes the rules to allow these (and other) real world forms.
*/
advtok = DUK__ADVTOK(2, DUK_RETOK_ATOM_CHAR); /* default: char escape (two chars) */
- if (y == 'b') {
+ if (y == DUK_ASC_LC_B) {
advtok = DUK__ADVTOK(2, DUK_RETOK_ASSERT_WORD_BOUNDARY);
- } else if (y == 'B') {
+ } else if (y == DUK_ASC_UC_B) {
advtok = DUK__ADVTOK(2, DUK_RETOK_ASSERT_NOT_WORD_BOUNDARY);
- } else if (y == 'f') {
+ } else if (y == DUK_ASC_LC_F) {
out_token->num = 0x000c;
- } else if (y == 'n') {
+ } else if (y == DUK_ASC_LC_N) {
out_token->num = 0x000a;
- } else if (y == 't') {
+ } else if (y == DUK_ASC_LC_T) {
out_token->num = 0x0009;
- } else if (y == 'r') {
+ } else if (y == DUK_ASC_LC_R) {
out_token->num = 0x000d;
- } else if (y == 'v') {
+ } else if (y == DUK_ASC_LC_V) {
out_token->num = 0x000b;
- } else if (y == 'c') {
+ } else if (y == DUK_ASC_LC_C) {
x = DUK__L2();
- if ((x >= 'a' && x <= 'z') ||
- (x >= 'A' && x <= 'Z')) {
+ if ((x >= DUK_ASC_LC_A && x <= DUK_ASC_LC_Z) ||
+ (x >= DUK_ASC_UC_A && x <= DUK_ASC_UC_Z)) {
out_token->num = (x % 32);
advtok = DUK__ADVTOK(3, DUK_RETOK_ATOM_CHAR);
} else {
- DUK_ERROR_SYNTAX(lex_ctx->thr, "invalid regexp escape");
- }
- } else if (y == 'x') {
- out_token->num = duk__decode_hexesc_from_window(lex_ctx, 2);
- advtok = DUK__ADVTOK(4, DUK_RETOK_ATOM_CHAR);
- } else if (y == 'u') {
- out_token->num = duk__decode_uniesc_from_window(lex_ctx, 2);
- advtok = DUK__ADVTOK(6, DUK_RETOK_ATOM_CHAR);
- } else if (y == 'd') {
+ goto fail_escape;
+ }
+ } else if (y == DUK_ASC_LC_X || y == DUK_ASC_LC_U) {
+ /* The token value is the Unicode codepoint without
+ * it being decode into surrogate pair characters
+ * here. The \u{H+} is only allowed in Unicode mode
+ * which we don't support yet.
+ */
+ out_token->num = duk__lexer_parse_escape(lex_ctx, 0 /*allow_es6*/);
+ advtok = DUK__ADVTOK(0, DUK_RETOK_ATOM_CHAR);
+ } else if (y == DUK_ASC_LC_D) {
advtok = DUK__ADVTOK(2, DUK_RETOK_ATOM_DIGIT);
- } else if (y == 'D') {
+ } else if (y == DUK_ASC_UC_D) {
advtok = DUK__ADVTOK(2, DUK_RETOK_ATOM_NOT_DIGIT);
- } else if (y == 's') {
+ } else if (y == DUK_ASC_LC_S) {
advtok = DUK__ADVTOK(2, DUK_RETOK_ATOM_WHITE);
- } else if (y == 'S') {
+ } else if (y == DUK_ASC_UC_S) {
advtok = DUK__ADVTOK(2, DUK_RETOK_ATOM_NOT_WHITE);
- } else if (y == 'w') {
+ } else if (y == DUK_ASC_LC_W) {
advtok = DUK__ADVTOK(2, DUK_RETOK_ATOM_WORD_CHAR);
- } else if (y == 'W') {
+ } else if (y == DUK_ASC_UC_W) {
advtok = DUK__ADVTOK(2, DUK_RETOK_ATOM_NOT_WORD_CHAR);
} else if (DUK__ISDIGIT(y)) {
/* E5 Section 15.10.2.11 */
- if (y == '0') {
+ if (y == DUK_ASC_0) {
if (DUK__ISDIGIT(DUK__L2())) {
- DUK_ERROR_SYNTAX(lex_ctx->thr, "invalid regexp escape");
+ goto fail_escape;
}
out_token->num = 0x0000;
advtok = DUK__ADVTOK(2, DUK_RETOK_ATOM_CHAR);
@@ -74858,46 +78871,56 @@ DUK_INTERNAL void duk_lexer_parse_re_token(duk_lexer_ctx *lex_ctx, duk_re_token
duk_small_int_t i;
for (i = 0; ; i++) {
if (i >= DUK__MAX_RE_DECESC_DIGITS) {
- DUK_ERROR_SYNTAX(lex_ctx->thr, "invalid regexp escape");
+ goto fail_escape;
}
DUK__ADVANCECHARS(lex_ctx, 1); /* eat backslash on entry */
x = DUK__L0();
if (!DUK__ISDIGIT(x)) {
break;
}
- val = val * 10 + (duk_uint_fast32_t) duk__hexval(lex_ctx, x);
+ val = val * 10 + (duk_uint_fast32_t) duk__hexval(x);
}
/* DUK__L0() cannot be a digit, because the loop doesn't terminate if it is */
advtok = DUK__ADVTOK(0, DUK_RETOK_ATOM_BACKREFERENCE);
out_token->num = val;
}
+#if defined(DUK_USE_ES6_REGEXP_SYNTAX)
+ } else if (y >= 0) {
+ /* For ES2015 Annex B, accept any source character as identity
+ * escape except 'c' which is used for control characters.
+ * http://www.ecma-international.org/ecma-262/6.0/#sec-regular-expressions-patterns
+ * Careful not to match end-of-buffer (<0) here.
+ * This is not yet full ES2015 Annex B because cases above
+ * (like hex escape) won't backtrack.
+ */
+ DUK_ASSERT(y != DUK_ASC_LC_C); /* covered above */
+#else /* DUK_USE_ES6_REGEXP_SYNTAX */
} else if ((y >= 0 && !duk_unicode_is_identifier_part(y)) ||
-#if defined(DUK_USE_NONSTD_REGEXP_DOLLAR_ESCAPE)
- y == '$' ||
-#endif
y == DUK_UNICODE_CP_ZWNJ ||
y == DUK_UNICODE_CP_ZWJ) {
- /* IdentityEscape, with dollar added as a valid additional
- * non-standard escape (see test-regexp-identity-escape-dollar.js).
- * Careful not to match end-of-buffer (<0) here.
+ /* For ES5.1 identity escapes are not allowed for identifier
+ * parts. This conflicts with a lot of real world code as this
+ * doesn't e.g. allow escaping a dollar sign as /\$/, see
+ * test-regexp-identity-escape-dollar.js.
*/
+#endif /* DUK_USE_ES6_REGEXP_SYNTAX */
out_token->num = y;
} else {
- DUK_ERROR_SYNTAX(lex_ctx->thr, "invalid regexp escape");
+ goto fail_escape;
}
break;
}
- case '(': {
+ case DUK_ASC_LPAREN: {
/* XXX: naming is inconsistent: ATOM_END_GROUP ends an ASSERT_START_LOOKAHEAD */
- if (y == '?') {
- if (DUK__L2() == '=') {
+ if (y == DUK_ASC_QUESTION) {
+ if (DUK__L2() == DUK_ASC_EQUALS) {
/* (?= */
advtok = DUK__ADVTOK(3, DUK_RETOK_ASSERT_START_POS_LOOKAHEAD);
- } else if (DUK__L2() == '!') {
+ } else if (DUK__L2() == DUK_ASC_EXCLAMATION) {
/* (?! */
advtok = DUK__ADVTOK(3, DUK_RETOK_ASSERT_START_NEG_LOOKAHEAD);
- } else if (DUK__L2() == ':') {
+ } else if (DUK__L2() == DUK_ASC_COLON) {
/* (?: */
advtok = DUK__ADVTOK(3, DUK_RETOK_ATOM_START_NONCAPTURE_GROUP);
}
@@ -74907,32 +78930,37 @@ DUK_INTERNAL void duk_lexer_parse_re_token(duk_lexer_ctx *lex_ctx, duk_re_token
}
break;
}
- case ')': {
+ case DUK_ASC_RPAREN: {
advtok = DUK__ADVTOK(1, DUK_RETOK_ATOM_END_GROUP);
break;
}
- case '[': {
+ case DUK_ASC_LBRACKET: {
/*
* To avoid creating a heavy intermediate value for the list of ranges,
* only the start token ('[' or '[^') is parsed here. The regexp
* compiler parses the ranges itself.
*/
+
+ /* XXX: with DUK_USE_ES6_REGEXP_SYNTAX we should allow left bracket
+ * literal too, but it's not easy to parse without backtracking.
+ */
+
advtok = DUK__ADVTOK(1, DUK_RETOK_ATOM_START_CHARCLASS);
- if (y == '^') {
+ if (y == DUK_ASC_CARET) {
advtok = DUK__ADVTOK(2, DUK_RETOK_ATOM_START_CHARCLASS_INVERTED);
}
break;
}
-#if !defined(DUK_USE_ES6_REGEXP_BRACES)
- case '}':
-#endif
- case ']': {
+#if !defined(DUK_USE_ES6_REGEXP_SYNTAX)
+ case DUK_ASC_RCURLY:
+ case DUK_ASC_RBRACKET: {
/* Although these could be parsed as PatternCharacters unambiguously (here),
* E5 Section 15.10.1 grammar explicitly forbids these as PatternCharacters.
*/
- DUK_ERROR_SYNTAX(lex_ctx->thr, "invalid regexp character");
+ goto fail_invalid_char;
break;
}
+#endif
case -1: {
/* EOF */
advtok = DUK__ADVTOK(0, DUK_TOK_EOF);
@@ -74952,6 +78980,25 @@ DUK_INTERNAL void duk_lexer_parse_re_token(duk_lexer_ctx *lex_ctx, duk_re_token
DUK__ADVANCEBYTES(lex_ctx, advtok >> 8);
out_token->t = advtok & 0xff;
+ return;
+
+ fail_token_limit:
+ DUK_ERROR_RANGE(lex_ctx->thr, DUK_STR_TOKEN_LIMIT);
+ return;
+
+ fail_escape:
+ DUK_ERROR_SYNTAX(lex_ctx->thr, DUK_STR_INVALID_REGEXP_ESCAPE);
+ return;
+
+#if !defined(DUK_USE_ES6_REGEXP_SYNTAX)
+ fail_invalid_char:
+ DUK_ERROR_SYNTAX(lex_ctx->thr, DUK_STR_INVALID_REGEXP_CHARACTER);
+ return;
+
+ fail_quantifier:
+ DUK_ERROR_SYNTAX(lex_ctx->thr, DUK_STR_INVALID_QUANTIFIER);
+ return;
+#endif
}
/*
@@ -74997,26 +79044,29 @@ DUK_INTERNAL void duk_lexer_parse_re_ranges(duk_lexer_ctx *lex_ctx, duk_re_range
duk_codepoint_t ch;
duk_codepoint_t x;
duk_bool_t dash = 0;
+ duk_small_int_t adv = 0;
DUK_DD(DUK_DDPRINT("parsing regexp ranges"));
for (;;) {
+ DUK__ADVANCECHARS(lex_ctx, adv);
+ adv = 1;
+
x = DUK__L0();
- DUK__ADVANCECHARS(lex_ctx, 1);
ch = -1; /* not strictly necessary, but avoids "uninitialized variable" warnings */
DUK_UNREF(ch);
if (x < 0) {
- DUK_ERROR_SYNTAX(lex_ctx->thr, "eof in character class");
- } else if (x == ']') {
- DUK_ASSERT(!dash); /* lookup should prevent this */
+ goto fail_unterm_charclass;
+ } else if (x == DUK_ASC_RBRACKET) {
if (start >= 0) {
gen_range(userdata, start, start, 0);
}
+ DUK__ADVANCECHARS(lex_ctx, 1); /* eat ']' before finishing */
break;
- } else if (x == '-') {
- if (start >= 0 && !dash && DUK__L0() != ']') {
+ } else if (x == DUK_ASC_MINUS) {
+ if (start >= 0 && !dash && DUK__L0() != DUK_ASC_RBRACKET) {
/* '-' as a range indicator */
dash = 1;
continue;
@@ -75024,7 +79074,7 @@ DUK_INTERNAL void duk_lexer_parse_re_ranges(duk_lexer_ctx *lex_ctx, duk_re_range
/* '-' verbatim */
ch = x;
}
- } else if (x == '\\') {
+ } else if (x == DUK_ASC_BACKSLASH) {
/*
* The escapes are same as outside a character class, except that \b has a
* different meaning, and \B and backreferences are prohibited (see E5
@@ -75033,79 +79083,79 @@ DUK_INTERNAL void duk_lexer_parse_re_ranges(duk_lexer_ctx *lex_ctx, duk_re_range
* range for it.
*/
- x = DUK__L0();
- DUK__ADVANCECHARS(lex_ctx, 1);
+ /* XXX: ES2015 surrogate pair handling. */
+
+ x = DUK__L1();
- if (x == 'b') {
+ adv = 2;
+
+ if (x == DUK_ASC_LC_B) {
/* Note: '\b' in char class is different than outside (assertion),
* '\B' is not allowed and is caught by the duk_unicode_is_identifier_part()
* check below.
*/
ch = 0x0008;
- } else if (x == 'f') {
+ } else if (x == DUK_ASC_LC_F) {
ch = 0x000c;
- } else if (x == 'n') {
+ } else if (x == DUK_ASC_LC_N) {
ch = 0x000a;
- } else if (x == 't') {
+ } else if (x == DUK_ASC_LC_T) {
ch = 0x0009;
- } else if (x == 'r') {
+ } else if (x == DUK_ASC_LC_R) {
ch = 0x000d;
- } else if (x == 'v') {
+ } else if (x == DUK_ASC_LC_V) {
ch = 0x000b;
- } else if (x == 'c') {
- x = DUK__L0();
- DUK__ADVANCECHARS(lex_ctx, 1);
- if ((x >= 'a' && x <= 'z') ||
- (x >= 'A' && x <= 'Z')) {
+ } else if (x == DUK_ASC_LC_C) {
+ x = DUK__L2();
+ adv = 3;
+ if ((x >= DUK_ASC_LC_A && x <= DUK_ASC_LC_Z) ||
+ (x >= DUK_ASC_UC_A && x <= DUK_ASC_UC_Z)) {
ch = (x % 32);
} else {
- DUK_ERROR_SYNTAX(lex_ctx->thr, "invalid regexp escape");
- return; /* never reached, but avoids warnings of
- * potentially unused variables.
- */
+ goto fail_escape;
}
- } else if (x == 'x') {
- ch = duk__decode_hexesc_from_window(lex_ctx, 0);
- DUK__ADVANCECHARS(lex_ctx, 2);
- } else if (x == 'u') {
- ch = duk__decode_uniesc_from_window(lex_ctx, 0);
- DUK__ADVANCECHARS(lex_ctx, 4);
- } else if (x == 'd') {
+ } else if (x == DUK_ASC_LC_X || x == DUK_ASC_LC_U) {
+ /* The \u{H+} form is only allowed in Unicode mode which
+ * we don't support yet.
+ */
+ ch = duk__lexer_parse_escape(lex_ctx, 0 /*allow_es6*/);
+ adv = 0;
+ } else if (x == DUK_ASC_LC_D) {
duk__emit_u16_direct_ranges(lex_ctx,
gen_range,
userdata,
duk_unicode_re_ranges_digit,
sizeof(duk_unicode_re_ranges_digit) / sizeof(duk_uint16_t));
ch = -1;
- } else if (x == 'D') {
+ } else if (x == DUK_ASC_UC_D) {
duk__emit_u16_direct_ranges(lex_ctx,
gen_range,
userdata,
duk_unicode_re_ranges_not_digit,
sizeof(duk_unicode_re_ranges_not_digit) / sizeof(duk_uint16_t));
ch = -1;
- } else if (x == 's') {
+ } else if (x == DUK_ASC_LC_S) {
duk__emit_u16_direct_ranges(lex_ctx,
gen_range,
userdata,
duk_unicode_re_ranges_white,
sizeof(duk_unicode_re_ranges_white) / sizeof(duk_uint16_t));
ch = -1;
- } else if (x == 'S') {
+ } else if (x == DUK_ASC_UC_S) {
duk__emit_u16_direct_ranges(lex_ctx,
gen_range,
userdata,
duk_unicode_re_ranges_not_white,
sizeof(duk_unicode_re_ranges_not_white) / sizeof(duk_uint16_t));
ch = -1;
- } else if (x == 'w') {
+ } else if (x == DUK_ASC_LC_W) {
duk__emit_u16_direct_ranges(lex_ctx,
gen_range,
userdata,
duk_unicode_re_ranges_wordchar,
sizeof(duk_unicode_re_ranges_wordchar) / sizeof(duk_uint16_t));
ch = -1;
- } else if (x == 'W') {
+ } else if (x == DUK_ASC_UC_W) {
duk__emit_u16_direct_ranges(lex_ctx,
gen_range,
userdata,
@@ -75114,20 +79164,29 @@ DUK_INTERNAL void duk_lexer_parse_re_ranges(duk_lexer_ctx *lex_ctx, duk_re_range
ch = -1;
} else if (DUK__ISDIGIT(x)) {
/* DecimalEscape, only \0 is allowed, no leading zeroes are allowed */
- if (x == '0' && !DUK__ISDIGIT(DUK__L0())) {
+ if (x == DUK_ASC_0 && !DUK__ISDIGIT(DUK__L2())) {
ch = 0x0000;
} else {
- DUK_ERROR_SYNTAX(lex_ctx->thr, "invalid regexp escape");
+ goto fail_escape;
}
- } else if (!duk_unicode_is_identifier_part(x)
-#if defined(DUK_USE_NONSTD_REGEXP_DOLLAR_ESCAPE)
- || x == '$'
-#endif
- ) {
- /* IdentityEscape */
+#if defined(DUK_USE_ES6_REGEXP_SYNTAX)
+ } else if (x >= 0) {
+ /* IdentityEscape: ES2015 Annex B allows almost all
+ * source characters here. Match anything except
+ * EOF here.
+ */
ch = x;
+#else /* DUK_USE_ES6_REGEXP_SYNTAX */
+ } else if (!duk_unicode_is_identifier_part(x)) {
+ /* IdentityEscape: ES5.1 doesn't allow identity escape
+ * for identifier part characters, which conflicts with
+ * some real world code. For example, it doesn't allow
+ * /[\$]/ which is awkward.
+ */
+ ch = x;
+#endif /* DUK_USE_ES6_REGEXP_SYNTAX */
} else {
- DUK_ERROR_SYNTAX(lex_ctx->thr, "invalid regexp escape");
+ goto fail_escape;
}
} else {
/* character represents itself */
@@ -75144,7 +79203,7 @@ DUK_INTERNAL void duk_lexer_parse_re_ranges(duk_lexer_ctx *lex_ctx, duk_re_range
*/
if (start >= 0) {
if (dash) {
- DUK_ERROR_SYNTAX(lex_ctx->thr, "invalid range");
+ goto fail_range;
} else {
gen_range(userdata, start, start, 0);
start = -1;
@@ -75155,7 +79214,7 @@ DUK_INTERNAL void duk_lexer_parse_re_ranges(duk_lexer_ctx *lex_ctx, duk_re_range
if (start >= 0) {
if (dash) {
if (start > ch) {
- DUK_ERROR_SYNTAX(lex_ctx->thr, "invalid range");
+ goto fail_range;
}
gen_range(userdata, start, ch, 0);
start = -1;
@@ -75172,10 +79231,43 @@ DUK_INTERNAL void duk_lexer_parse_re_ranges(duk_lexer_ctx *lex_ctx, duk_re_range
}
return;
+
+ fail_escape:
+ DUK_ERROR_SYNTAX(lex_ctx->thr, DUK_STR_INVALID_REGEXP_ESCAPE);
+ return;
+
+ fail_range:
+ DUK_ERROR_SYNTAX(lex_ctx->thr, DUK_STR_INVALID_RANGE);
+ return;
+
+ fail_unterm_charclass:
+ DUK_ERROR_SYNTAX(lex_ctx->thr, DUK_STR_UNTERMINATED_CHARCLASS);
+ return;
}
#endif /* DUK_USE_REGEXP_SUPPORT */
-#line 1 "duk_numconv.c"
+
+/* automatic undefs */
+#undef DUK__ADVANCEBYTES
+#undef DUK__ADVANCECHARS
+#undef DUK__ADVTOK
+#undef DUK__APPENDBUFFER
+#undef DUK__APPENDBUFFER_ASCII
+#undef DUK__INITBUFFER
+#undef DUK__ISDIGIT
+#undef DUK__ISDIGIT03
+#undef DUK__ISDIGIT47
+#undef DUK__ISHEXDIGIT
+#undef DUK__ISOCTDIGIT
+#undef DUK__L0
+#undef DUK__L1
+#undef DUK__L2
+#undef DUK__L3
+#undef DUK__L4
+#undef DUK__L5
+#undef DUK__LOOKUP
+#undef DUK__MAX_RE_DECESC_DIGITS
+#undef DUK__MAX_RE_QUANT_DIGITS
/*
* Number-to-string and string-to-number conversions.
*
@@ -75188,7 +79280,7 @@ DUK_INTERNAL void duk_lexer_parse_re_ranges(duk_lexer_ctx *lex_ctx, duk_re_range
* See: doc/number-conversion.rst.
*/
-/* include removed: duk_internal.h */
+/* #include duk_internal.h -> already included */
#define DUK__IEEE_DOUBLE_EXP_BIAS 1023
#define DUK__IEEE_DOUBLE_EXP_MIN (-1022) /* biased exp == 0 -> denormal, exp -1022 */
@@ -75196,7 +79288,7 @@ DUK_INTERNAL void duk_lexer_parse_re_ranges(duk_lexer_ctx *lex_ctx, duk_re_range
#define DUK__DIGITCHAR(x) duk_lc_digits[(x)]
/*
- * Tables generated with src/gennumdigits.py.
+ * Tables generated with util/gennumdigits.py.
*
* duk__str2num_digits_for_radix indicates, for each radix, how many input
* digits should be considered significant for string-to-number conversion.
@@ -75251,7 +79343,7 @@ DUK_LOCAL const duk__exp_limits duk__str2num_exp_limits[] = {
*/
#define DUK__BI_MAX_PARTS 37 /* 37x32 = 1184 bits */
-#ifdef DUK_USE_DDDPRINT
+#if defined(DUK_USE_DEBUG_LEVEL) && (DUK_USE_DEBUG_LEVEL >= 2)
#define DUK__BI_PRINT(name,x) duk__bi_print((name),(x))
#else
#define DUK__BI_PRINT(name,x)
@@ -75263,7 +79355,7 @@ typedef struct {
duk_uint32_t v[DUK__BI_MAX_PARTS]; /* low to high */
} duk__bigint;
-#ifdef DUK_USE_DDDPRINT
+#if defined(DUK_USE_DEBUG_LEVEL) && (DUK_USE_DEBUG_LEVEL >= 2)
DUK_LOCAL void duk__bi_print(const char *name, duk__bigint *x) {
/* Overestimate required size; debug code so not critical to be tight. */
char buf[DUK__BI_MAX_PARTS * 9 + 64];
@@ -75283,7 +79375,7 @@ DUK_LOCAL void duk__bi_print(const char *name, duk__bigint *x) {
}
#endif
-#ifdef DUK_USE_ASSERTIONS
+#if defined(DUK_USE_ASSERTIONS)
DUK_LOCAL duk_small_int_t duk__bi_is_valid(duk__bigint *x) {
return (duk_small_int_t)
( ((x->n >= 0) && (x->n <= DUK__BI_MAX_PARTS)) /* is valid size */ &&
@@ -75368,7 +79460,7 @@ DUK_LOCAL int duk__bi_compare(duk__bigint *x, duk__bigint *y) {
}
/* x <- y + z */
-#ifdef DUK_USE_64BIT_OPS
+#if defined(DUK_USE_64BIT_OPS)
DUK_LOCAL void duk__bi_add(duk__bigint *x, duk__bigint *y, duk__bigint *z) {
duk_uint64_t tmp;
duk_small_int_t i, ny, nz;
@@ -75478,7 +79570,7 @@ DUK_LOCAL void duk__bi_add_copy(duk__bigint *x, duk__bigint *y, duk__bigint *t)
#endif
/* x <- y - z, require x >= y => z >= 0, i.e. y >= z */
-#ifdef DUK_USE_64BIT_OPS
+#if defined(DUK_USE_64BIT_OPS)
DUK_LOCAL void duk__bi_sub(duk__bigint *x, duk__bigint *y, duk__bigint *z) {
duk_small_int_t i, ny, nz;
duk_uint32_t ty, tz;
@@ -75595,7 +79687,7 @@ DUK_LOCAL void duk__bi_mul(duk__bigint *x, duk__bigint *y, duk__bigint *z) {
nz = z->n;
for (i = 0; i < y->n; i++) {
-#ifdef DUK_USE_64BIT_OPS
+#if defined(DUK_USE_64BIT_OPS)
duk_uint64_t tmp = 0U;
for (j = 0; j < nz; j++) {
tmp += (duk_uint64_t) y->v[i] * (duk_uint64_t) z->v[j] + x->v[i+j];
@@ -76275,7 +80367,7 @@ DUK_LOCAL void duk__dragon4_generate(duk__numconv_stringify_ctx *nc_ctx) {
DUK_DDD(DUK_DDDPRINT("generate finished"));
-#ifdef DUK_USE_DDDPRINT
+#if defined(DUK_USE_DEBUG_LEVEL) && (DUK_USE_DEBUG_LEVEL >= 2)
{
duk_uint8_t buf[2048];
duk_small_int_t i, t;
@@ -76939,24 +81031,6 @@ DUK_INTERNAL void duk_numconv_parse(duk_context *ctx, duk_small_int_t radix, duk
const duk_uint8_t *p;
duk_small_int_t ch;
- /* This seems to waste a lot of stack frame entries, but good compilers
- * will compute these as needed below. Some of these initial flags are
- * also modified in the code below, so they can't all be removed.
- */
- duk_small_int_t trim_white = (flags & DUK_S2N_FLAG_TRIM_WHITE);
- duk_small_int_t allow_expt = (flags & DUK_S2N_FLAG_ALLOW_EXP);
- duk_small_int_t allow_garbage = (flags & DUK_S2N_FLAG_ALLOW_GARBAGE);
- duk_small_int_t allow_plus = (flags & DUK_S2N_FLAG_ALLOW_PLUS);
- duk_small_int_t allow_minus = (flags & DUK_S2N_FLAG_ALLOW_MINUS);
- duk_small_int_t allow_infinity = (flags & DUK_S2N_FLAG_ALLOW_INF);
- duk_small_int_t allow_frac = (flags & DUK_S2N_FLAG_ALLOW_FRAC);
- duk_small_int_t allow_naked_frac = (flags & DUK_S2N_FLAG_ALLOW_NAKED_FRAC);
- duk_small_int_t allow_empty_frac = (flags & DUK_S2N_FLAG_ALLOW_EMPTY_FRAC);
- duk_small_int_t allow_empty = (flags & DUK_S2N_FLAG_ALLOW_EMPTY_AS_ZERO);
- duk_small_int_t allow_leading_zero = (flags & DUK_S2N_FLAG_ALLOW_LEADING_ZERO);
- duk_small_int_t allow_auto_hex_int = (flags & DUK_S2N_FLAG_ALLOW_AUTO_HEX_INT);
- duk_small_int_t allow_auto_oct_int = (flags & DUK_S2N_FLAG_ALLOW_AUTO_OCT_INT);
-
DUK_DDD(DUK_DDDPRINT("parse number: %!T, radix=%ld, flags=0x%08lx",
(duk_tval *) duk_get_tval(ctx, -1),
(long) radix, (unsigned long) flags));
@@ -76979,9 +81053,13 @@ DUK_INTERNAL void duk_numconv_parse(duk_context *ctx, duk_small_int_t radix, duk
* Automatic hex number detection (leading '0x' or '0X') and octal
* number detection (leading '0' followed by at least one octal digit)
* is done here too.
+ *
+ * Symbols are not explicitly rejected here (that's up to the caller).
+ * If a symbol were passed here, it should ultimately safely fail
+ * parsing due to a syntax error.
*/
- if (trim_white) {
+ if (flags & DUK_S2N_FLAG_TRIM_WHITE) {
/* Leading / trailing whitespace is sometimes accepted and
* sometimes not. After white space trimming, all valid input
* characters are pure ASCII.
@@ -76995,13 +81073,13 @@ DUK_INTERNAL void duk_numconv_parse(duk_context *ctx, duk_small_int_t radix, duk
neg = 0;
ch = *p;
if (ch == (duk_small_int_t) '+') {
- if (!allow_plus) {
+ if ((flags & DUK_S2N_FLAG_ALLOW_PLUS) == 0) {
DUK_DDD(DUK_DDDPRINT("parse failed: leading plus sign not allowed"));
goto parse_fail;
}
p++;
} else if (ch == (duk_small_int_t) '-') {
- if (!allow_minus) {
+ if ((flags & DUK_S2N_FLAG_ALLOW_MINUS) == 0) {
DUK_DDD(DUK_DDDPRINT("parse failed: leading minus sign not allowed"));
goto parse_fail;
}
@@ -77009,8 +81087,7 @@ DUK_INTERNAL void duk_numconv_parse(duk_context *ctx, duk_small_int_t radix, duk
neg = 1;
}
- ch = *p;
- if (allow_infinity && ch == (duk_small_int_t) 'I') {
+ if ((flags & DUK_S2N_FLAG_ALLOW_INF) && DUK_STRNCMP((const char *) p, "Infinity", 8) == 0) {
/* Don't check for Infinity unless the context allows it.
* 'Infinity' is a valid integer literal in e.g. base-36:
*
@@ -77018,41 +81095,49 @@ DUK_INTERNAL void duk_numconv_parse(duk_context *ctx, duk_small_int_t radix, duk
* 1461559270678
*/
- const duk_uint8_t *q;
-
- /* borrow literal Infinity from builtin string */
- q = (const duk_uint8_t *) DUK_HSTRING_GET_DATA(DUK_HTHREAD_STRING_INFINITY(thr));
- if (DUK_STRNCMP((const char *) p, (const char *) q, 8) == 0) {
- if (!allow_garbage && (p[8] != (duk_uint8_t) 0)) {
- DUK_DDD(DUK_DDDPRINT("parse failed: trailing garbage after matching 'Infinity' not allowed"));
- goto parse_fail;
- } else {
- res = DUK_DOUBLE_INFINITY;
- goto negcheck_and_ret;
- }
+ if ((flags & DUK_S2N_FLAG_ALLOW_GARBAGE) == 0 && p[8] != DUK_ASC_NUL) {
+ DUK_DDD(DUK_DDDPRINT("parse failed: trailing garbage after matching 'Infinity' not allowed"));
+ goto parse_fail;
+ } else {
+ res = DUK_DOUBLE_INFINITY;
+ goto negcheck_and_ret;
}
}
+ ch = *p;
if (ch == (duk_small_int_t) '0') {
duk_small_int_t detect_radix = 0;
- ch = p[1];
- if (allow_auto_hex_int && (ch == (duk_small_int_t) 'x' || ch == (duk_small_int_t) 'X')) {
+ ch = DUK_LOWERCASE_CHAR_ASCII(p[1]); /* 'x' or 'X' -> 'x' */
+ if ((flags & DUK_S2N_FLAG_ALLOW_AUTO_HEX_INT) && ch == DUK_ASC_LC_X) {
DUK_DDD(DUK_DDDPRINT("detected 0x/0X hex prefix, changing radix and preventing fractions and exponent"));
detect_radix = 16;
- allow_empty = 0; /* interpret e.g. '0x' and '0xg' as a NaN (= parse error) */
- p += 2;
- } else if (allow_auto_oct_int && (ch >= (duk_small_int_t) '0' && ch <= (duk_small_int_t) '9')) {
+#if 0
+ } else if ((flags & DUK_S2N_FLAG_ALLOW_AUTO_LEGACY_OCT_INT) &&
+ (ch >= (duk_small_int_t) '0' && ch <= (duk_small_int_t) '9')) {
DUK_DDD(DUK_DDDPRINT("detected 0n oct prefix, changing radix and preventing fractions and exponent"));
detect_radix = 8;
- allow_empty = 1; /* interpret e.g. '09' as '0', not NaN */
+
+ /* NOTE: if this legacy octal case is added back, it has
+ * different flags and 'p' advance so this needs to be
+ * reworked.
+ */
+ flags |= DUK_S2N_FLAG_ALLOW_EMPTY_AS_ZERO; /* interpret e.g. '09' as '0', not NaN */
p += 1;
+#endif
+ } else if ((flags & DUK_S2N_FLAG_ALLOW_AUTO_OCT_INT) && ch == DUK_ASC_LC_O) {
+ DUK_DDD(DUK_DDDPRINT("detected 0o oct prefix, changing radix and preventing fractions and exponent"));
+ detect_radix = 8;
+ } else if ((flags & DUK_S2N_FLAG_ALLOW_AUTO_BIN_INT) && ch == DUK_ASC_LC_B) {
+ DUK_DDD(DUK_DDDPRINT("detected 0b bin prefix, changing radix and preventing fractions and exponent"));
+ detect_radix = 2;
}
if (detect_radix > 0) {
radix = detect_radix;
- allow_expt = 0;
- allow_frac = 0;
- allow_naked_frac = 0;
- allow_empty_frac = 0;
- allow_leading_zero = 1; /* allow e.g. '0x0009' and '00077' */
+ /* Clear empty as zero flag: interpret e.g. '0x' and '0xg' as a NaN (= parse error) */
+ flags &= ~(DUK_S2N_FLAG_ALLOW_EXP | DUK_S2N_FLAG_ALLOW_EMPTY_FRAC |
+ DUK_S2N_FLAG_ALLOW_FRAC | DUK_S2N_FLAG_ALLOW_NAKED_FRAC |
+ DUK_S2N_FLAG_ALLOW_EMPTY_AS_ZERO);
+ flags |= DUK_S2N_FLAG_ALLOW_LEADING_ZERO; /* allow e.g. '0x0009' and '0b00010001' */
+ p += 2;
}
}
@@ -77123,14 +81208,14 @@ DUK_INTERNAL void duk_numconv_parse(duk_context *ctx, duk_small_int_t radix, duk
/* Most common cases first. */
if (ch >= (duk_small_int_t) '0' && ch <= (duk_small_int_t) '9') {
- dig = (int) ch - '0' + 0;
+ dig = (duk_small_int_t) ch - '0' + 0;
} else if (ch == (duk_small_int_t) '.') {
/* A leading digit is not required in some cases, e.g. accept ".123".
* In other cases (JSON.parse()) a leading digit is required. This
* is checked for after the loop.
*/
if (dig_frac >= 0 || dig_expt >= 0) {
- if (allow_garbage) {
+ if (flags & DUK_S2N_FLAG_ALLOW_GARBAGE) {
DUK_DDD(DUK_DDDPRINT("garbage termination (invalid period)"));
break;
} else {
@@ -77139,11 +81224,11 @@ DUK_INTERNAL void duk_numconv_parse(duk_context *ctx, duk_small_int_t radix, duk
}
}
- if (!allow_frac) {
+ if ((flags & DUK_S2N_FLAG_ALLOW_FRAC) == 0) {
/* Some contexts don't allow fractions at all; this can't be a
* post-check because the state ('f' and expt) would be incorrect.
*/
- if (allow_garbage) {
+ if (flags & DUK_S2N_FLAG_ALLOW_GARBAGE) {
DUK_DDD(DUK_DDDPRINT("garbage termination (invalid first period)"));
break;
} else {
@@ -77157,7 +81242,8 @@ DUK_INTERNAL void duk_numconv_parse(duk_context *ctx, duk_small_int_t radix, duk
} else if (ch == (duk_small_int_t) 0) {
DUK_DDD(DUK_DDDPRINT("NUL termination"));
break;
- } else if (allow_expt && dig_expt < 0 && (ch == (duk_small_int_t) 'e' || ch == (duk_small_int_t) 'E')) {
+ } else if ((flags & DUK_S2N_FLAG_ALLOW_EXP) &&
+ dig_expt < 0 && (ch == (duk_small_int_t) 'e' || ch == (duk_small_int_t) 'E')) {
/* Note: we don't parse back exponent notation for anything else
* than radix 10, so this is not an ambiguous check (e.g. hex
* exponent values may have 'e' either as a significand digit
@@ -77192,7 +81278,7 @@ DUK_INTERNAL void duk_numconv_parse(duk_context *ctx, duk_small_int_t radix, duk
DUK_ASSERT((dig >= 0 && dig <= 35) || dig == 255);
if (dig >= radix) {
- if (allow_garbage) {
+ if (flags & DUK_S2N_FLAG_ALLOW_GARBAGE) {
DUK_DDD(DUK_DDDPRINT("garbage termination"));
break;
} else {
@@ -77254,7 +81340,7 @@ DUK_INTERNAL void duk_numconv_parse(duk_context *ctx, duk_small_int_t radix, duk
/* Leading zero. */
if (dig_lzero > 0 && dig_whole > 1) {
- if (!allow_leading_zero) {
+ if ((flags & DUK_S2N_FLAG_ALLOW_LEADING_ZERO) == 0) {
DUK_DDD(DUK_DDDPRINT("parse failed: leading zeroes not allowed in integer part"));
goto parse_fail;
}
@@ -77269,14 +81355,14 @@ DUK_INTERNAL void duk_numconv_parse(duk_context *ctx, duk_small_int_t radix, duk
goto parse_fail;
} else if (dig_frac > 0) {
/* ".123" */
- if (!allow_naked_frac) {
+ if ((flags & DUK_S2N_FLAG_ALLOW_NAKED_FRAC) == 0) {
DUK_DDD(DUK_DDDPRINT("parse failed: fraction part not allowed without "
"leading integer digit(s)"));
goto parse_fail;
}
} else {
/* empty ("") is allowed in some formats (e.g. Number(''), as zero */
- if (!allow_empty) {
+ if ((flags & DUK_S2N_FLAG_ALLOW_EMPTY_AS_ZERO) == 0) {
DUK_DDD(DUK_DDDPRINT("parse failed: empty string not allowed (as zero)"));
goto parse_fail;
}
@@ -77284,7 +81370,7 @@ DUK_INTERNAL void duk_numconv_parse(duk_context *ctx, duk_small_int_t radix, duk
} else {
if (dig_frac == 0) {
/* "123." is allowed in some formats */
- if (!allow_empty_frac) {
+ if ((flags & DUK_S2N_FLAG_ALLOW_EMPTY_FRAC) == 0) {
DUK_DDD(DUK_DDDPRINT("parse failed: empty fractions"));
goto parse_fail;
}
@@ -77302,7 +81388,7 @@ DUK_INTERNAL void duk_numconv_parse(duk_context *ctx, duk_small_int_t radix, duk
*/
if (dig_expt == 0) {
- if (!allow_garbage) {
+ if ((flags & DUK_S2N_FLAG_ALLOW_GARBAGE) == 0) {
DUK_DDD(DUK_DDDPRINT("parse failed: empty exponent"));
goto parse_fail;
}
@@ -77417,6 +81503,10 @@ DUK_INTERNAL void duk_numconv_parse(duk_context *ctx, duk_small_int_t radix, duk
/*
* Convert binary digits into an IEEE double. Need to handle
* denormals and rounding correctly.
+ *
+ * Some call sites currently assume the result is always a
+ * non-fastint double. If this is changed, check all call
+ * sites.
*/
duk__dragon4_ctx_to_double(nc_ctx, &res);
@@ -77442,7 +81532,19 @@ DUK_INTERNAL void duk_numconv_parse(duk_context *ctx, duk_small_int_t radix, duk
DUK_ERROR_RANGE(thr, "exponent too large");
return;
}
-#line 1 "duk_regexp_compiler.c"
+
+/* automatic undefs */
+#undef DUK__BI_MAX_PARTS
+#undef DUK__BI_PRINT
+#undef DUK__DIGITCHAR
+#undef DUK__DRAGON4_OUTPUT_PREINC
+#undef DUK__IEEE_DOUBLE_EXP_BIAS
+#undef DUK__IEEE_DOUBLE_EXP_MIN
+#undef DUK__MAX_FORMATTED_LENGTH
+#undef DUK__MAX_OUTPUT_DIGITS
+#undef DUK__NO_EXP
+#undef DUK__NUMCONV_CTX_BIGINTS_SIZE
+#undef DUK__NUMCONV_CTX_NUM_BIGINTS
/*
* Regexp compilation.
*
@@ -77463,9 +81565,9 @@ DUK_INTERNAL void duk_numconv_parse(duk_context *ctx, duk_small_int_t radix, duk
* size when emitting bytecode (slower).
*/
-/* include removed: duk_internal.h */
+/* #include duk_internal.h -> already included */
-#ifdef DUK_USE_REGEXP_SUPPORT
+#if defined(DUK_USE_REGEXP_SUPPORT)
/*
* Helper macros
@@ -77473,7 +81575,6 @@ DUK_INTERNAL void duk_numconv_parse(duk_context *ctx, duk_small_int_t radix, duk
#define DUK__RE_INITIAL_BUFSIZE 64
-#undef DUK__RE_BUFLEN
#define DUK__RE_BUFLEN(re_ctx) \
DUK_BW_GET_SIZE(re_ctx->thr, &re_ctx->bw)
@@ -77536,31 +81637,45 @@ DUK_LOCAL duk_uint32_t duk__insert_u32(duk_re_compiler_ctx *re_ctx, duk_uint32_t
return (duk_uint32_t) len;
}
-DUK_LOCAL duk_uint32_t duk__append_u32(duk_re_compiler_ctx *re_ctx, duk_uint32_t x) {
- duk_uint8_t buf[DUK_UNICODE_MAX_XUTF8_LENGTH];
- duk_small_int_t len;
+DUK_LOCAL void duk__append_u32(duk_re_compiler_ctx *re_ctx, duk_uint32_t x) {
+ DUK_BW_WRITE_ENSURE_XUTF8(re_ctx->thr, &re_ctx->bw, x);
+}
- len = duk_unicode_encode_xutf8((duk_ucodepoint_t) x, buf);
- DUK_BW_WRITE_ENSURE_BYTES(re_ctx->thr, &re_ctx->bw, buf, len);
- return (duk_uint32_t) len;
+DUK_LOCAL void duk__append_7bit(duk_re_compiler_ctx *re_ctx, duk_uint32_t x) {
+#if defined(DUK_USE_PREFER_SIZE)
+ duk__append_u32(re_ctx, x);
+#else
+ DUK_ASSERT(x <= 0x7fU);
+ DUK_BW_WRITE_ENSURE_U8(re_ctx->thr, &re_ctx->bw, (duk_uint8_t) x);
+#endif
}
+#if 0
+DUK_LOCAL void duk__append_2bytes(duk_re_compiler_ctx *re_ctx, duk_uint8_t x, duk_uint8_t y) {
+ DUK_BW_WRITE_ENSURE_U8_2(re_ctx->thr, &re_ctx->bw, x, y);
+}
+#endif
+
DUK_LOCAL duk_uint32_t duk__insert_i32(duk_re_compiler_ctx *re_ctx, duk_uint32_t offset, duk_int32_t x) {
return duk__insert_u32(re_ctx, offset, duk__encode_i32(x));
}
+DUK_LOCAL void duk__append_reop(duk_re_compiler_ctx *re_ctx, duk_uint32_t reop) {
+ DUK_ASSERT(reop <= 0x7fU);
+ (void) duk__append_7bit(re_ctx, reop);
+}
+
#if 0 /* unused */
-DUK_LOCAL duk_uint32_t duk__append_i32(duk_re_compiler_ctx *re_ctx, duk_int32_t x) {
- return duk__append_u32(re_ctx, duk__encode_i32(x));
+DUK_LOCAL void duk__append_i32(duk_re_compiler_ctx *re_ctx, duk_int32_t x) {
+ duk__append_u32(re_ctx, duk__encode_i32(x));
}
#endif
/* special helper for emitting u16 lists (used for character ranges for built-in char classes) */
DUK_LOCAL void duk__append_u16_list(duk_re_compiler_ctx *re_ctx, const duk_uint16_t *values, duk_uint32_t count) {
/* Call sites don't need the result length so it's not accumulated. */
- while (count > 0) {
- (void) duk__append_u32(re_ctx, (duk_uint32_t) (*values++));
- count--;
+ while (count-- > 0) {
+ duk__append_u32(re_ctx, (duk_uint32_t) (*values++));
}
}
@@ -77590,17 +81705,66 @@ DUK_LOCAL void duk__remove_slice(duk_re_compiler_ctx *re_ctx, duk_uint32_t data_
* variable length UTF-8 encoding. See doc/regexp.rst for discussion.
*/
DUK_LOCAL duk_uint32_t duk__insert_jump_offset(duk_re_compiler_ctx *re_ctx, duk_uint32_t offset, duk_int32_t skip) {
- duk_small_int_t len;
-
- /* XXX: solve into closed form (smaller code) */
-
+#if 0
+ /* Iterative solution. */
if (skip < 0) {
+ duk_small_int_t len;
/* two encoding attempts suffices */
len = duk_unicode_get_xutf8_length((duk_codepoint_t) duk__encode_i32(skip));
len = duk_unicode_get_xutf8_length((duk_codepoint_t) duk__encode_i32(skip - (duk_int32_t) len));
DUK_ASSERT(duk_unicode_get_xutf8_length(duk__encode_i32(skip - (duk_int32_t) len)) == len); /* no change */
skip -= (duk_int32_t) len;
}
+#endif
+
+#if defined(DUK_USE_PREFER_SIZE)
+ /* Closed form solution, this produces smallest code.
+ * See re_neg_jump_offset (closed2).
+ */
+ if (skip < 0) {
+ skip--;
+ if (skip < -0x3fL) {
+ skip--;
+ }
+ if (skip < -0x3ffL) {
+ skip--;
+ }
+ if (skip < -0x7fffL) {
+ skip--;
+ }
+ if (skip < -0xfffffL) {
+ skip--;
+ }
+ if (skip < -0x1ffffffL) {
+ skip--;
+ }
+ if (skip < -0x3fffffffL) {
+ skip--;
+ }
+ }
+#else /* DUK_USE_PREFER_SIZE */
+ /* Closed form solution, this produces fastest code.
+ * See re_neg_jump_offset (closed1).
+ */
+ if (skip < 0) {
+ if (skip >= -0x3eL) {
+ skip -= 1;
+ } else if (skip >= -0x3fdL) {
+ skip -= 2;
+ } else if (skip >= -0x7ffcL) {
+ skip -= 3;
+ } else if (skip >= -0xffffbL) {
+ skip -= 4;
+ } else if (skip >= -0x1fffffaL) {
+ skip -= 5;
+ } else if (skip >= -0x3ffffff9L) {
+ skip -= 6;
+ } else {
+ skip -= 7;
+ }
+ }
+#endif /* DUK_USE_PREFER_SIZE */
+
return duk__insert_i32(re_ctx, offset, skip);
}
@@ -77728,6 +81892,28 @@ DUK_LOCAL void duk__generate_ranges(void *userdata, duk_codepoint_t r1, duk_code
* as complex though.
*/
+DUK_LOCAL const duk_uint16_t * const duk__re_range_lookup1[3] = {
+ duk_unicode_re_ranges_digit,
+ duk_unicode_re_ranges_white,
+ duk_unicode_re_ranges_wordchar
+};
+DUK_LOCAL const duk_uint8_t duk__re_range_lookup2[3] = {
+ sizeof(duk_unicode_re_ranges_digit) / (2 * sizeof(duk_uint16_t)),
+ sizeof(duk_unicode_re_ranges_white) / (2 * sizeof(duk_uint16_t)),
+ sizeof(duk_unicode_re_ranges_wordchar) / (2 * sizeof(duk_uint16_t))
+};
+
+DUK_LOCAL void duk__append_range_atom_matcher(duk_re_compiler_ctx *re_ctx, duk_small_uint_t re_op, const duk_uint16_t *ranges, duk_small_uint_t count) {
+#if 0
+ DUK_ASSERT(re_op <= 0x7fUL);
+ DUK_ASSERT(count <= 0x7fUL);
+ duk__append_2bytes(re_ctx, (duk_uint8_t) re_op, (duk_uint8_t) count);
+#endif
+ duk__append_reop(re_ctx, re_op);
+ duk__append_7bit(re_ctx, count);
+ duk__append_u16_list(re_ctx, ranges, count * 2);
+}
+
DUK_LOCAL void duk__parse_disjunction(duk_re_compiler_ctx *re_ctx, duk_bool_t expect_eof, duk__re_disjunction_info *out_atom_info) {
duk_int32_t atom_start_offset = -1; /* negative -> no atom matched on previous round */
duk_int32_t atom_char_length = 0; /* negative -> complex atom */
@@ -77805,7 +81991,7 @@ DUK_LOCAL void duk__parse_disjunction(duk_re_compiler_ctx *re_ctx, duk_bool_t ex
unpatched_disjunction_split = entry_offset + 1; /* +1 for opcode */
/* add a new pending match jump for latest finished alternative */
- duk__append_u32(re_ctx, DUK_REOP_JUMP);
+ duk__append_reop(re_ctx, DUK_REOP_JUMP);
unpatched_disjunction_jump = (duk_int32_t) DUK__RE_BUFLEN(re_ctx);
/* 'taint' result as complex */
@@ -77848,7 +82034,7 @@ DUK_LOCAL void duk__parse_disjunction(duk_re_compiler_ctx *re_ctx, duk_bool_t ex
}
}
- duk__append_u32(re_ctx, DUK_REOP_MATCH); /* complete 'sub atom' */
+ duk__append_reop(re_ctx, DUK_REOP_MATCH); /* complete 'sub atom' */
atom_code_length = (duk_int32_t) (DUK__RE_BUFLEN(re_ctx) - atom_start_offset);
offset = atom_start_offset;
@@ -77926,14 +82112,14 @@ DUK_LOCAL void duk__parse_disjunction(duk_re_compiler_ctx *re_ctx, duk_bool_t ex
/* Special case: original qmin was zero so there is nothing
* to repeat. Emit an atom copy but jump over it here.
*/
- duk__append_u32(re_ctx, DUK_REOP_JUMP);
+ duk__append_reop(re_ctx, DUK_REOP_JUMP);
duk__append_jump_offset(re_ctx, atom_code_length);
duk__append_slice(re_ctx, atom_start_offset, atom_code_length);
}
if (re_ctx->curr_token.greedy) {
- duk__append_u32(re_ctx, DUK_REOP_SPLIT2); /* prefer jump */
+ duk__append_reop(re_ctx, DUK_REOP_SPLIT2); /* prefer jump */
} else {
- duk__append_u32(re_ctx, DUK_REOP_SPLIT1); /* prefer direct */
+ duk__append_reop(re_ctx, DUK_REOP_SPLIT1); /* prefer direct */
}
duk__append_jump_offset(re_ctx, -atom_code_length - 1); /* -1 for opcode */
} else {
@@ -77977,19 +82163,19 @@ DUK_LOCAL void duk__parse_disjunction(duk_re_compiler_ctx *re_ctx, duk_bool_t ex
break;
}
case DUK_RETOK_ASSERT_START: {
- duk__append_u32(re_ctx, DUK_REOP_ASSERT_START);
+ duk__append_reop(re_ctx, DUK_REOP_ASSERT_START);
break;
}
case DUK_RETOK_ASSERT_END: {
- duk__append_u32(re_ctx, DUK_REOP_ASSERT_END);
+ duk__append_reop(re_ctx, DUK_REOP_ASSERT_END);
break;
}
case DUK_RETOK_ASSERT_WORD_BOUNDARY: {
- duk__append_u32(re_ctx, DUK_REOP_ASSERT_WORD_BOUNDARY);
+ duk__append_reop(re_ctx, DUK_REOP_ASSERT_WORD_BOUNDARY);
break;
}
case DUK_RETOK_ASSERT_NOT_WORD_BOUNDARY: {
- duk__append_u32(re_ctx, DUK_REOP_ASSERT_NOT_WORD_BOUNDARY);
+ duk__append_reop(re_ctx, DUK_REOP_ASSERT_NOT_WORD_BOUNDARY);
break;
}
case DUK_RETOK_ASSERT_START_POS_LOOKAHEAD:
@@ -78000,7 +82186,7 @@ DUK_LOCAL void duk__parse_disjunction(duk_re_compiler_ctx *re_ctx, duk_bool_t ex
offset = (duk_uint32_t) DUK__RE_BUFLEN(re_ctx);
duk__parse_disjunction(re_ctx, 0, &tmp_disj);
- duk__append_u32(re_ctx, DUK_REOP_MATCH);
+ duk__append_reop(re_ctx, DUK_REOP_MATCH);
(void) duk__insert_u32(re_ctx, offset, opcode);
(void) duk__insert_jump_offset(re_ctx,
@@ -78016,19 +82202,25 @@ DUK_LOCAL void duk__parse_disjunction(duk_re_compiler_ctx *re_ctx, duk_bool_t ex
case DUK_RETOK_ATOM_PERIOD: {
new_atom_char_length = 1;
new_atom_start_offset = (duk_int32_t) DUK__RE_BUFLEN(re_ctx);
- duk__append_u32(re_ctx, DUK_REOP_PERIOD);
+ duk__append_reop(re_ctx, DUK_REOP_PERIOD);
break;
}
case DUK_RETOK_ATOM_CHAR: {
/* Note: successive characters could be joined into string matches
* but this is not trivial (consider e.g. '/xyz+/); see docs for
* more discussion.
+ *
+ * No support for \u{H+} yet. While only BMP Unicode escapes are
+ * supported for RegExps at present, 'ch' may still be a non-BMP
+ * codepoint if it is decoded straight from source text UTF-8.
+ * There's no non-BMP support yet so this is handled simply by
+ * matching the non-BMP character (which is custom behavior).
*/
duk_uint32_t ch;
new_atom_char_length = 1;
new_atom_start_offset = (duk_int32_t) DUK__RE_BUFLEN(re_ctx);
- duk__append_u32(re_ctx, DUK_REOP_CHAR);
+ duk__append_reop(re_ctx, DUK_REOP_CHAR);
ch = re_ctx->curr_token.num;
if (re_ctx->re_flags & DUK_RE_FLAG_IGNORE_CASE) {
ch = duk_unicode_re_canonicalize_char(re_ctx->thr, ch);
@@ -78037,36 +82229,31 @@ DUK_LOCAL void duk__parse_disjunction(duk_re_compiler_ctx *re_ctx, duk_bool_t ex
break;
}
case DUK_RETOK_ATOM_DIGIT:
- case DUK_RETOK_ATOM_NOT_DIGIT: {
- new_atom_char_length = 1;
- new_atom_start_offset = (duk_int32_t) DUK__RE_BUFLEN(re_ctx);
- duk__append_u32(re_ctx,
- (re_ctx->curr_token.t == DUK_RETOK_ATOM_DIGIT) ?
- DUK_REOP_RANGES : DUK_REOP_INVRANGES);
- duk__append_u32(re_ctx, sizeof(duk_unicode_re_ranges_digit) / (2 * sizeof(duk_uint16_t)));
- duk__append_u16_list(re_ctx, duk_unicode_re_ranges_digit, sizeof(duk_unicode_re_ranges_digit) / sizeof(duk_uint16_t));
- break;
- }
+ case DUK_RETOK_ATOM_NOT_DIGIT:
case DUK_RETOK_ATOM_WHITE:
- case DUK_RETOK_ATOM_NOT_WHITE: {
- new_atom_char_length = 1;
- new_atom_start_offset = (duk_int32_t) DUK__RE_BUFLEN(re_ctx);
- duk__append_u32(re_ctx,
- (re_ctx->curr_token.t == DUK_RETOK_ATOM_WHITE) ?
- DUK_REOP_RANGES : DUK_REOP_INVRANGES);
- duk__append_u32(re_ctx, sizeof(duk_unicode_re_ranges_white) / (2 * sizeof(duk_uint16_t)));
- duk__append_u16_list(re_ctx, duk_unicode_re_ranges_white, sizeof(duk_unicode_re_ranges_white) / sizeof(duk_uint16_t));
- break;
- }
+ case DUK_RETOK_ATOM_NOT_WHITE:
case DUK_RETOK_ATOM_WORD_CHAR:
case DUK_RETOK_ATOM_NOT_WORD_CHAR: {
+ duk_small_uint_t re_op;
+ duk_small_uint_t idx;
+
new_atom_char_length = 1;
new_atom_start_offset = (duk_int32_t) DUK__RE_BUFLEN(re_ctx);
- duk__append_u32(re_ctx,
- (re_ctx->curr_token.t == DUK_RETOK_ATOM_WORD_CHAR) ?
- DUK_REOP_RANGES : DUK_REOP_INVRANGES);
- duk__append_u32(re_ctx, sizeof(duk_unicode_re_ranges_wordchar) / (2 * sizeof(duk_uint16_t)));
- duk__append_u16_list(re_ctx, duk_unicode_re_ranges_wordchar, sizeof(duk_unicode_re_ranges_wordchar) / sizeof(duk_uint16_t));
+
+ DUK_ASSERT((DUK_RETOK_ATOM_DIGIT & 0x01) != 0);
+ DUK_ASSERT((DUK_RETOK_ATOM_WHITE & 0x01) != 0);
+ DUK_ASSERT((DUK_RETOK_ATOM_WORD_CHAR & 0x01) != 0);
+ DUK_ASSERT((DUK_RETOK_ATOM_NOT_DIGIT & 0x01) == 0);
+ DUK_ASSERT((DUK_RETOK_ATOM_NOT_WHITE & 0x01) == 0);
+ DUK_ASSERT((DUK_RETOK_ATOM_NOT_WORD_CHAR & 0x01) == 0);
+ re_op = (re_ctx->curr_token.t & 0x01) ? DUK_REOP_RANGES : DUK_REOP_INVRANGES;
+
+ DUK_ASSERT(DUK_RETOK_ATOM_WHITE == DUK_RETOK_ATOM_DIGIT + 2);
+ DUK_ASSERT(DUK_RETOK_ATOM_WORD_CHAR == DUK_RETOK_ATOM_DIGIT + 4);
+ idx = (re_ctx->curr_token.t - DUK_RETOK_ATOM_DIGIT) >> 1;
+ DUK_ASSERT(idx <= 2); /* Assume continuous token numbers; also checks negative underflow. */
+
+ duk__append_range_atom_matcher(re_ctx, re_op, duk__re_range_lookup1[idx], duk__re_range_lookup2[idx]);
break;
}
case DUK_RETOK_ATOM_BACKREFERENCE: {
@@ -78076,7 +82263,7 @@ DUK_LOCAL void duk__parse_disjunction(duk_re_compiler_ctx *re_ctx, duk_bool_t ex
}
new_atom_char_length = -1; /* mark as complex */
new_atom_start_offset = (duk_int32_t) DUK__RE_BUFLEN(re_ctx);
- duk__append_u32(re_ctx, DUK_REOP_BACKREFERENCE);
+ duk__append_reop(re_ctx, DUK_REOP_BACKREFERENCE);
duk__append_u32(re_ctx, backref);
break;
}
@@ -78086,10 +82273,10 @@ DUK_LOCAL void duk__parse_disjunction(duk_re_compiler_ctx *re_ctx, duk_bool_t ex
new_atom_char_length = -1; /* mark as complex (capture handling) */
new_atom_start_offset = (duk_int32_t) DUK__RE_BUFLEN(re_ctx);
cap = ++re_ctx->captures;
- duk__append_u32(re_ctx, DUK_REOP_SAVE);
+ duk__append_reop(re_ctx, DUK_REOP_SAVE);
duk__append_u32(re_ctx, cap * 2);
duk__parse_disjunction(re_ctx, 0, &tmp_disj); /* retval (sub-atom char length) unused, tainted as complex above */
- duk__append_u32(re_ctx, DUK_REOP_SAVE);
+ duk__append_reop(re_ctx, DUK_REOP_SAVE);
duk__append_u32(re_ctx, cap * 2 + 1);
break;
}
@@ -78132,9 +82319,9 @@ DUK_LOCAL void duk__parse_disjunction(duk_re_compiler_ctx *re_ctx, duk_bool_t ex
/* insert ranges instruction, range count patched in later */
new_atom_char_length = 1;
new_atom_start_offset = (duk_int32_t) DUK__RE_BUFLEN(re_ctx);
- duk__append_u32(re_ctx,
- (re_ctx->curr_token.t == DUK_RETOK_ATOM_START_CHARCLASS) ?
- DUK_REOP_RANGES : DUK_REOP_INVRANGES);
+ duk__append_reop(re_ctx,
+ (re_ctx->curr_token.t == DUK_RETOK_ATOM_START_CHARCLASS) ?
+ DUK_REOP_RANGES : DUK_REOP_INVRANGES);
offset = (duk_uint32_t) DUK__RE_BUFLEN(re_ctx); /* patch in range count later */
/* parse ranges until character class ends */
@@ -78221,22 +82408,22 @@ DUK_LOCAL duk_uint32_t duk__parse_regexp_flags(duk_hthread *thr, duk_hstring *h)
while (p < p_end) {
duk_uint8_t c = *p++;
- switch ((int) c) {
- case (int) 'g': {
+ switch (c) {
+ case (duk_uint8_t) 'g': {
if (flags & DUK_RE_FLAG_GLOBAL) {
goto error;
}
flags |= DUK_RE_FLAG_GLOBAL;
break;
}
- case (int) 'i': {
+ case (duk_uint8_t) 'i': {
if (flags & DUK_RE_FLAG_IGNORE_CASE) {
goto error;
}
flags |= DUK_RE_FLAG_IGNORE_CASE;
break;
}
- case (int) 'm': {
+ case (duk_uint8_t) 'm': {
if (flags & DUK_RE_FLAG_MULTILINE) {
goto error;
}
@@ -78286,14 +82473,12 @@ DUK_LOCAL void duk__create_escaped_source(duk_hthread *thr, int idx_pattern) {
duk_size_t i, n;
duk_uint_fast8_t c_prev, c;
- h = duk_get_hstring(ctx, idx_pattern);
- DUK_ASSERT(h != NULL);
+ h = duk_known_hstring(ctx, idx_pattern);
p = (const duk_uint8_t *) DUK_HSTRING_GET_DATA(h);
n = (duk_size_t) DUK_HSTRING_GET_BYTELEN(h);
if (n == 0) {
- /* return '(?:)' */
- duk_push_hstring_stridx(ctx, DUK_STRIDX_ESCAPED_EMPTY_REGEXP);
+ duk_push_string(ctx, "(?:)");
return;
}
@@ -78320,7 +82505,9 @@ DUK_LOCAL void duk__create_escaped_source(duk_hthread *thr, int idx_pattern) {
}
DUK_BW_SETPTR_AND_COMPACT(thr, bw, q);
- duk_to_string(ctx, -1); /* -> [ ... escaped_source ] */
+ (void) duk_buffer_to_string(ctx, -1); /* Safe if input is safe. */
+
+ /* [ ... escaped_source ] */
}
/*
@@ -78354,8 +82541,8 @@ DUK_INTERNAL void duk_regexp_compile(duk_hthread *thr) {
*/
/* TypeError if fails */
- h_pattern = duk_require_hstring(ctx, -2);
- h_flags = duk_require_hstring(ctx, -1);
+ h_pattern = duk_require_hstring_notsymbol(ctx, -2);
+ h_flags = duk_require_hstring_notsymbol(ctx, -1);
/*
* Create normalized 'source' property (E5 Section 15.10.3).
@@ -78402,12 +82589,12 @@ DUK_INTERNAL void duk_regexp_compile(duk_hthread *thr) {
DUK_DD(DUK_DDPRINT("starting regexp compilation"));
- duk__append_u32(&re_ctx, DUK_REOP_SAVE);
- duk__append_u32(&re_ctx, 0);
+ duk__append_reop(&re_ctx, DUK_REOP_SAVE);
+ duk__append_7bit(&re_ctx, 0);
duk__parse_disjunction(&re_ctx, 1 /*expect_eof*/, &ign_disj);
- duk__append_u32(&re_ctx, DUK_REOP_SAVE);
- duk__append_u32(&re_ctx, 1);
- duk__append_u32(&re_ctx, DUK_REOP_MATCH);
+ duk__append_reop(&re_ctx, DUK_REOP_SAVE);
+ duk__append_7bit(&re_ctx, 1);
+ duk__append_reop(&re_ctx, DUK_REOP_MATCH);
/*
* Check for invalid backreferences; note that it is NOT an error
@@ -78433,7 +82620,7 @@ DUK_INTERNAL void duk_regexp_compile(duk_hthread *thr) {
/* [ ... pattern flags escaped_source buffer ] */
DUK_BW_COMPACT(thr, &re_ctx.bw);
- duk_to_string(ctx, -1); /* coerce to string */
+ (void) duk_buffer_to_string(ctx, -1); /* Safe because flags is at most 7 bit. */
/* [ ... pattern flags escaped_source bytecode ] */
@@ -78461,23 +82648,11 @@ DUK_INTERNAL void duk_regexp_compile(duk_hthread *thr) {
DUK_INTERNAL void duk_regexp_create_instance(duk_hthread *thr) {
duk_context *ctx = (duk_context *) thr;
duk_hobject *h;
- duk_hstring *h_bc;
- duk_small_int_t re_flags;
-
- /* [ ... escape_source bytecode ] */
-
- h_bc = duk_get_hstring(ctx, -1);
- DUK_ASSERT(h_bc != NULL);
- DUK_ASSERT(DUK_HSTRING_GET_BYTELEN(h_bc) >= 1); /* always at least the header */
- DUK_ASSERT(DUK_HSTRING_GET_CHARLEN(h_bc) >= 1);
- DUK_ASSERT((duk_small_int_t) DUK_HSTRING_GET_DATA(h_bc)[0] < 0x80); /* flags always encodes to 1 byte */
- re_flags = (duk_small_int_t) DUK_HSTRING_GET_DATA(h_bc)[0];
/* [ ... escaped_source bytecode ] */
duk_push_object(ctx);
- h = duk_get_hobject(ctx, -1);
- DUK_ASSERT(h != NULL);
+ h = duk_known_hobject(ctx, -1);
duk_insert(ctx, -3);
/* [ ... regexp_object escaped_source bytecode ] */
@@ -78485,37 +82660,34 @@ DUK_INTERNAL void duk_regexp_create_instance(duk_hthread *thr) {
DUK_HOBJECT_SET_CLASS_NUMBER(h, DUK_HOBJECT_CLASS_REGEXP);
DUK_HOBJECT_SET_PROTOTYPE_UPDREF(thr, h, thr->builtins[DUK_BIDX_REGEXP_PROTOTYPE]);
- duk_xdef_prop_stridx(ctx, -3, DUK_STRIDX_INT_BYTECODE, DUK_PROPDESC_FLAGS_NONE);
+ duk_xdef_prop_stridx_short(ctx, -3, DUK_STRIDX_INT_BYTECODE, DUK_PROPDESC_FLAGS_NONE);
/* [ ... regexp_object escaped_source ] */
- duk_xdef_prop_stridx(ctx, -2, DUK_STRIDX_SOURCE, DUK_PROPDESC_FLAGS_NONE);
-
- /* [ ... regexp_object ] */
-
- duk_push_boolean(ctx, (re_flags & DUK_RE_FLAG_GLOBAL));
- duk_xdef_prop_stridx(ctx, -2, DUK_STRIDX_GLOBAL, DUK_PROPDESC_FLAGS_NONE);
+ /* In ES2015 .source, and the .global, .multiline, etc flags are
+ * inherited getters. Store the escaped source as an internal
+ * property for the getter.
+ */
- duk_push_boolean(ctx, (re_flags & DUK_RE_FLAG_IGNORE_CASE));
- duk_xdef_prop_stridx(ctx, -2, DUK_STRIDX_IGNORE_CASE, DUK_PROPDESC_FLAGS_NONE);
+ duk_xdef_prop_stridx_short(ctx, -2, DUK_STRIDX_INT_SOURCE, DUK_PROPDESC_FLAGS_NONE);
- duk_push_boolean(ctx, (re_flags & DUK_RE_FLAG_MULTILINE));
- duk_xdef_prop_stridx(ctx, -2, DUK_STRIDX_MULTILINE, DUK_PROPDESC_FLAGS_NONE);
+ /* [ ... regexp_object ] */
duk_push_int(ctx, 0);
- duk_xdef_prop_stridx(ctx, -2, DUK_STRIDX_LAST_INDEX, DUK_PROPDESC_FLAGS_W);
+ duk_xdef_prop_stridx_short(ctx, -2, DUK_STRIDX_LAST_INDEX, DUK_PROPDESC_FLAGS_W);
/* [ ... regexp_object ] */
}
-#undef DUK__RE_BUFLEN
-
#else /* DUK_USE_REGEXP_SUPPORT */
/* regexp support disabled */
#endif /* DUK_USE_REGEXP_SUPPORT */
-#line 1 "duk_regexp_executor.c"
+
+/* automatic undefs */
+#undef DUK__RE_BUFLEN
+#undef DUK__RE_INITIAL_BUFSIZE
/*
* Regexp executor.
*
@@ -78532,9 +82704,9 @@ DUK_INTERNAL void duk_regexp_create_instance(duk_hthread *thr) {
* This also requires a regexp bytecode change.
*/
-/* include removed: duk_internal.h */
+/* #include duk_internal.h -> already included */
-#ifdef DUK_USE_REGEXP_SUPPORT
+#if defined(DUK_USE_REGEXP_SUPPORT)
/*
* Helpers for UTF-8 handling
@@ -78585,7 +82757,7 @@ DUK_LOCAL const duk_uint8_t *duk__utf8_backtrack(duk_hthread *thr, const duk_uin
return p;
fail:
- DUK_ERROR_INTERNAL_DEFMSG(thr);
+ DUK_ERROR_INTERNAL(thr);
return NULL; /* never here */
}
@@ -78616,7 +82788,7 @@ DUK_LOCAL const duk_uint8_t *duk__utf8_advance(duk_hthread *thr, const duk_uint8
return p;
fail:
- DUK_ERROR_INTERNAL_DEFMSG(thr);
+ DUK_ERROR_INTERNAL(thr);
return NULL; /* never here */
}
@@ -78626,10 +82798,15 @@ DUK_LOCAL const duk_uint8_t *duk__utf8_advance(duk_hthread *thr, const duk_uint8
/* Get a (possibly canonicalized) input character from current sp. The input
* itself is never modified, and captures always record non-canonicalized
- * characters even in case-insensitive matching.
+ * characters even in case-insensitive matching. Return <0 if out of input.
*/
DUK_LOCAL duk_codepoint_t duk__inp_get_cp(duk_re_matcher_ctx *re_ctx, const duk_uint8_t **sp) {
- duk_codepoint_t res = (duk_codepoint_t) duk_unicode_decode_xutf8_checked(re_ctx->thr, sp, re_ctx->input, re_ctx->input_end);
+ duk_codepoint_t res;
+
+ if (*sp >= re_ctx->input_end) {
+ return -1;
+ }
+ res = (duk_codepoint_t) duk_unicode_decode_xutf8_checked(re_ctx->thr, sp, re_ctx->input, re_ctx->input_end);
if (re_ctx->re_flags & DUK_RE_FLAG_IGNORE_CASE) {
res = duk_unicode_re_canonicalize_char(re_ctx->thr, res);
}
@@ -78672,7 +82849,15 @@ DUK_LOCAL const duk_uint8_t *duk__match_regexp(duk_re_matcher_ctx *re_ctx, const
}
re_ctx->steps_count++;
+ /* Opcodes are at most 7 bits now so they encode to one byte. If this
+ * were not the case or 'pc' is invalid here (due to a bug etc) we'll
+ * still fail safely through the switch default case.
+ */
+ DUK_ASSERT(pc[0] <= 0x7fU);
+#if 0
op = (duk_small_int_t) duk__bc_get_u32(re_ctx, &pc);
+#endif
+ op = *pc++;
DUK_DDD(DUK_DDDPRINT("match: rec=%ld, steps=%ld, pc (after op)=%ld, sp=%ld, op=%ld",
(long) re_ctx->recursion_depth,
@@ -78704,10 +82889,17 @@ DUK_LOCAL const duk_uint8_t *duk__match_regexp(duk_re_matcher_ctx *re_ctx, const
c1 = (duk_codepoint_t) duk__bc_get_u32(re_ctx, &pc);
DUK_ASSERT(!(re_ctx->re_flags & DUK_RE_FLAG_IGNORE_CASE) ||
c1 == duk_unicode_re_canonicalize_char(re_ctx->thr, c1)); /* canonicalized by compiler */
- if (sp >= re_ctx->input_end) {
+ c2 = duk__inp_get_cp(re_ctx, &sp);
+ /* No need to check for c2 < 0 (end of input): because c1 >= 0, it
+ * will fail the match below automatically and cause goto fail.
+ */
+#if 0
+ if (c2 < 0) {
goto fail;
}
- c2 = duk__inp_get_cp(re_ctx, &sp);
+#endif
+ DUK_ASSERT(c1 >= 0);
+
DUK_DDD(DUK_DDDPRINT("char match, c1=%ld, c2=%ld", (long) c1, (long) c2));
if (c1 != c2) {
goto fail;
@@ -78717,11 +82909,8 @@ DUK_LOCAL const duk_uint8_t *duk__match_regexp(duk_re_matcher_ctx *re_ctx, const
case DUK_REOP_PERIOD: {
duk_codepoint_t c;
- if (sp >= re_ctx->input_end) {
- goto fail;
- }
c = duk__inp_get_cp(re_ctx, &sp);
- if (duk_unicode_is_line_terminator(c)) {
+ if (c < 0 || duk_unicode_is_line_terminator(c)) {
/* E5 Sections 15.10.2.8, 7.3 */
goto fail;
}
@@ -78734,10 +82923,10 @@ DUK_LOCAL const duk_uint8_t *duk__match_regexp(duk_re_matcher_ctx *re_ctx, const
duk_small_int_t match;
n = duk__bc_get_u32(re_ctx, &pc);
- if (sp >= re_ctx->input_end) {
+ c = duk__inp_get_cp(re_ctx, &sp);
+ if (c < 0) {
goto fail;
}
- c = duk__inp_get_cp(re_ctx, &sp);
match = 0;
while (n) {
@@ -78788,14 +82977,14 @@ DUK_LOCAL const duk_uint8_t *duk__match_regexp(duk_re_matcher_ctx *re_ctx, const
duk_codepoint_t c;
const duk_uint8_t *tmp_sp;
- if (sp >= re_ctx->input_end) {
+ tmp_sp = sp;
+ c = duk__inp_get_cp(re_ctx, &tmp_sp);
+ if (c < 0) {
break;
}
if (!(re_ctx->re_flags & DUK_RE_FLAG_MULTILINE)) {
goto fail;
}
- tmp_sp = sp;
- c = duk__inp_get_cp(re_ctx, &tmp_sp);
if (duk_unicode_is_line_terminator(c)) {
/* E5 Sections 15.10.2.8, 7.3 */
break;
@@ -78978,7 +83167,7 @@ DUK_LOCAL const duk_uint8_t *duk__match_regexp(duk_re_matcher_ctx *re_ctx, const
* slightly higher code footprint.
*/
duk_uint32_t idx_start, idx_count;
-#ifdef DUK_USE_EXPLICIT_NULL_INIT
+#if defined(DUK_USE_EXPLICIT_NULL_INIT)
duk_uint32_t idx_end, idx;
#endif
duk_uint8_t **range_save;
@@ -78999,11 +83188,11 @@ DUK_LOCAL const duk_uint8_t *duk__match_regexp(duk_re_matcher_ctx *re_ctx, const
DUK_ASSERT(idx_count > 0);
duk_require_stack((duk_context *) re_ctx->thr, 1);
- range_save = (duk_uint8_t **) duk_push_fixed_buffer((duk_context *) re_ctx->thr,
- sizeof(duk_uint8_t *) * idx_count);
+ range_save = (duk_uint8_t **) duk_push_fixed_buffer_nozero((duk_context *) re_ctx->thr,
+ sizeof(duk_uint8_t *) * idx_count);
DUK_ASSERT(range_save != NULL);
DUK_MEMCPY(range_save, re_ctx->saved + idx_start, sizeof(duk_uint8_t *) * idx_count);
-#ifdef DUK_USE_EXPLICIT_NULL_INIT
+#if defined(DUK_USE_EXPLICIT_NULL_INIT)
idx_end = idx_start + idx_count;
for (idx = idx_start; idx < idx_end; idx++) {
re_ctx->saved[idx] = NULL;
@@ -79056,8 +83245,8 @@ DUK_LOCAL const duk_uint8_t *duk__match_regexp(duk_re_matcher_ctx *re_ctx, const
DUK_ASSERT(re_ctx->nsaved > 0);
duk_require_stack((duk_context *) re_ctx->thr, 1);
- full_save = (duk_uint8_t **) duk_push_fixed_buffer((duk_context *) re_ctx->thr,
- sizeof(duk_uint8_t *) * re_ctx->nsaved);
+ full_save = (duk_uint8_t **) duk_push_fixed_buffer_nozero((duk_context *) re_ctx->thr,
+ sizeof(duk_uint8_t *) * re_ctx->nsaved);
DUK_ASSERT(full_save != NULL);
DUK_MEMCPY(full_save, re_ctx->saved, sizeof(duk_uint8_t *) * re_ctx->nsaved);
@@ -79132,11 +83321,17 @@ DUK_LOCAL const duk_uint8_t *duk__match_regexp(duk_re_matcher_ctx *re_ctx, const
* valid compiled regexps cannot write a saved[] entry
* which points to outside the string.
*/
- if (sp >= re_ctx->input_end) {
- goto fail;
- }
c1 = duk__inp_get_cp(re_ctx, &p);
+ DUK_ASSERT(c1 >= 0);
c2 = duk__inp_get_cp(re_ctx, &sp);
+ /* No need for an explicit c2 < 0 check: because c1 >= 0,
+ * the comparison will always fail if c2 < 0.
+ */
+#if 0
+ if (c2 < 0) {
+ goto fail;
+ }
+#endif
if (c1 != c2) {
goto fail;
}
@@ -79159,7 +83354,7 @@ DUK_LOCAL const duk_uint8_t *duk__match_regexp(duk_re_matcher_ctx *re_ctx, const
return NULL;
internal_error:
- DUK_ERROR_INTERNAL_DEFMSG(re_ctx->thr);
+ DUK_ERROR_INTERNAL(re_ctx->thr);
return NULL; /* never here */
}
@@ -79209,11 +83404,10 @@ DUK_LOCAL void duk__regexp_match_helper(duk_hthread *thr, duk_small_int_t force_
DUK_ASSERT(DUK_HOBJECT_GET_CLASS_NUMBER(h_regexp) == DUK_HOBJECT_CLASS_REGEXP);
DUK_UNREF(h_regexp);
- duk_to_string(ctx, -1);
- h_input = duk_get_hstring(ctx, -1);
+ h_input = duk_to_hstring(ctx, -1);
DUK_ASSERT(h_input != NULL);
- duk_get_prop_stridx(ctx, -2, DUK_STRIDX_INT_BYTECODE); /* [ ... re_obj input ] -> [ ... re_obj input bc ] */
+ duk_get_prop_stridx_short(ctx, -2, DUK_STRIDX_INT_BYTECODE); /* [ ... re_obj input ] -> [ ... re_obj input bc ] */
h_bytecode = duk_require_hstring(ctx, -1); /* no regexp instance should exist without a non-configurable bytecode property */
DUK_ASSERT(h_bytecode != NULL);
@@ -79252,7 +83446,7 @@ DUK_LOCAL void duk__regexp_match_helper(duk_hthread *thr, duk_small_int_t force_
DUK_ASSERT(re_ctx.nsaved >= 2);
DUK_ASSERT((re_ctx.nsaved % 2) == 0);
- p_buf = (duk_uint8_t *) duk_push_fixed_buffer(ctx, sizeof(duk_uint8_t *) * re_ctx.nsaved);
+ p_buf = (duk_uint8_t *) duk_push_fixed_buffer(ctx, sizeof(duk_uint8_t *) * re_ctx.nsaved); /* rely on zeroing */
DUK_UNREF(p_buf);
re_ctx.saved = (const duk_uint8_t **) duk_get_buffer(ctx, -1, NULL);
DUK_ASSERT(re_ctx.saved != NULL);
@@ -79292,7 +83486,7 @@ DUK_LOCAL void duk__regexp_match_helper(duk_hthread *thr, duk_small_int_t force_
/* [ ... re_obj input bc saved_buf ] */
- duk_get_prop_stridx(ctx, -4, DUK_STRIDX_LAST_INDEX); /* -> [ ... re_obj input bc saved_buf lastIndex ] */
+ duk_get_prop_stridx_short(ctx, -4, DUK_STRIDX_LAST_INDEX); /* -> [ ... re_obj input bc saved_buf lastIndex ] */
(void) duk_to_int(ctx, -1); /* ToInteger(lastIndex) */
d = duk_get_number(ctx, -1); /* integer, but may be +/- Infinite, +/- zero (not NaN, though) */
duk_pop(ctx);
@@ -79402,7 +83596,7 @@ DUK_LOCAL void duk__regexp_match_helper(duk_hthread *thr, duk_small_int_t force_
/* [ ... re_obj input bc saved_buf ] */
if (match) {
-#ifdef DUK_USE_ASSERTIONS
+#if defined(DUK_USE_ASSERTIONS)
duk_hobject *h_res;
#endif
duk_uint32_t char_end_offset = 0;
@@ -79419,7 +83613,7 @@ DUK_LOCAL void duk__regexp_match_helper(duk_hthread *thr, duk_small_int_t force_
duk_push_array(ctx);
-#ifdef DUK_USE_ASSERTIONS
+#if defined(DUK_USE_ASSERTIONS)
h_res = duk_require_hobject(ctx, -1);
DUK_ASSERT(DUK_HOBJECT_HAS_EXTENSIBLE(h_res));
DUK_ASSERT(DUK_HOBJECT_HAS_EXOTIC_ARRAY(h_res));
@@ -79429,32 +83623,27 @@ DUK_LOCAL void duk__regexp_match_helper(duk_hthread *thr, duk_small_int_t force_
/* [ ... re_obj input bc saved_buf res_obj ] */
duk_push_u32(ctx, char_offset);
- duk_xdef_prop_stridx_wec(ctx, -2, DUK_STRIDX_INDEX);
+ duk_xdef_prop_stridx_short_wec(ctx, -2, DUK_STRIDX_INDEX);
- duk_dup(ctx, -4);
- duk_xdef_prop_stridx_wec(ctx, -2, DUK_STRIDX_INPUT);
+ duk_dup_m4(ctx);
+ duk_xdef_prop_stridx_short_wec(ctx, -2, DUK_STRIDX_INPUT);
for (i = 0; i < re_ctx.nsaved; i += 2) {
/* Captures which are undefined have NULL pointers and are returned
* as 'undefined'. The same is done when saved[] pointers are insane
* (this should, of course, never happen in practice).
*/
- if (re_ctx.saved[i] && re_ctx.saved[i+1] && re_ctx.saved[i+1] >= re_ctx.saved[i]) {
- duk_hstring *h_saved;
-
+ if (re_ctx.saved[i] && re_ctx.saved[i + 1] && re_ctx.saved[i + 1] >= re_ctx.saved[i]) {
duk_push_lstring(ctx,
(const char *) re_ctx.saved[i],
(duk_size_t) (re_ctx.saved[i+1] - re_ctx.saved[i]));
- h_saved = duk_get_hstring(ctx, -1);
- DUK_ASSERT(h_saved != NULL);
-
if (i == 0) {
/* Assumes that saved[0] and saved[1] are always
* set by regexp bytecode (if not, char_end_offset
* will be zero). Also assumes clen reflects the
* correct char length.
*/
- char_end_offset = char_offset + DUK_HSTRING_GET_CHARLEN(h_saved);
+ char_end_offset = char_offset + (duk_uint32_t) duk_get_length(ctx, -1); /* add charlen */
}
} else {
duk_push_undefined(ctx);
@@ -79471,7 +83660,7 @@ DUK_LOCAL void duk__regexp_match_helper(duk_hthread *thr, duk_small_int_t force_
if (global) {
/* global regexp: lastIndex updated on match */
duk_push_u32(ctx, char_end_offset);
- duk_put_prop_stridx(ctx, -6, DUK_STRIDX_LAST_INDEX);
+ duk_put_prop_stridx_short(ctx, -6, DUK_STRIDX_LAST_INDEX);
} else {
/* non-global regexp: lastIndex never updated on match */
;
@@ -79490,7 +83679,7 @@ DUK_LOCAL void duk__regexp_match_helper(duk_hthread *thr, duk_small_int_t force_
/* [ ... re_obj input bc saved_buf res_obj ] */
duk_push_int(ctx, 0);
- duk_put_prop_stridx(ctx, -6, DUK_STRIDX_LAST_INDEX);
+ duk_put_prop_stridx_short(ctx, -6, DUK_STRIDX_LAST_INDEX);
}
/* [ ... re_obj input bc saved_buf res_obj ] */
@@ -79524,13 +83713,12 @@ DUK_INTERNAL void duk_regexp_match_force_global(duk_hthread *thr) {
/* regexp support disabled */
#endif /* DUK_USE_REGEXP_SUPPORT */
-#line 1 "duk_selftest.c"
/*
* Self tests to ensure execution environment is sane. Intended to catch
* compiler/platform problems which cannot be detected at compile time.
*/
-/* include removed: duk_internal.h */
+/* #include duk_internal.h -> already included */
#if defined(DUK_USE_SELF_TESTS)
@@ -79540,43 +83728,93 @@ DUK_INTERNAL void duk_regexp_match_force_global(duk_hthread *thr) {
typedef union {
double d;
- duk_uint8_t c[8];
+ duk_uint8_t x[8];
} duk__test_double_union;
+/* Self test failed. Expects a local variable 'error_count' to exist. */
+#define DUK__FAILED(msg) do { \
+ DUK_D(DUK_DPRINT("self test failed: " #msg " at " DUK_FILE_MACRO ":" DUK_MACRO_STRINGIFY(DUK_LINE_MACRO))); \
+ error_count++; \
+ } while (0)
+
#define DUK__DBLUNION_CMP_TRUE(a,b) do { \
if (DUK_MEMCMP((const void *) (a), (const void *) (b), sizeof(duk__test_double_union)) != 0) { \
- DUK_PANIC(DUK_ERR_INTERNAL_ERROR, "self test failed: double union compares false (expected true)"); \
+ DUK__FAILED("double union compares false (expected true)"); \
} \
} while (0)
#define DUK__DBLUNION_CMP_FALSE(a,b) do { \
if (DUK_MEMCMP((const void *) (a), (const void *) (b), sizeof(duk__test_double_union)) == 0) { \
- DUK_PANIC(DUK_ERR_INTERNAL_ERROR, "self test failed: double union compares true (expected false)"); \
+ DUK__FAILED("double union compares true (expected false)"); \
} \
} while (0)
typedef union {
duk_uint32_t i;
- duk_uint8_t c[8];
+ duk_uint8_t x[8];
} duk__test_u32_union;
+#if defined(DUK_USE_INTEGER_LE)
+#define DUK__U32_INIT(u, a, b, c, d) do { \
+ (u)->x[0] = (d); (u)->x[1] = (c); (u)->x[2] = (b); (u)->x[3] = (a); \
+ } while (0)
+#elif defined(DUK_USE_INTEGER_ME)
+#error integer mixed endian not supported now
+#elif defined(DUK_USE_INTEGER_BE)
+#define DUK__U32_INIT(u, a, b, c, d) do { \
+ (u)->x[0] = (a); (u)->x[1] = (b); (u)->x[2] = (c); (u)->x[3] = (d); \
+ } while (0)
+#else
+#error unknown integer endianness
+#endif
+
+#if defined(DUK_USE_DOUBLE_LE)
+#define DUK__DOUBLE_INIT(u, a, b, c, d, e, f, g, h) do { \
+ (u)->x[0] = (h); (u)->x[1] = (g); (u)->x[2] = (f); (u)->x[3] = (e); \
+ (u)->x[4] = (d); (u)->x[5] = (c); (u)->x[6] = (b); (u)->x[7] = (a); \
+ } while (0)
+#define DUK__DOUBLE_COMPARE(u, a, b, c, d, e, f, g, h) \
+ ((u)->x[0] == (h) && (u)->x[1] == (g) && (u)->x[2] == (f) && (u)->x[3] == (e) && \
+ (u)->x[4] == (d) && (u)->x[5] == (c) && (u)->x[6] == (b) && (u)->x[7] == (a))
+#elif defined(DUK_USE_DOUBLE_ME)
+#define DUK__DOUBLE_INIT(u, a, b, c, d, e, f, g, h) do { \
+ (u)->x[0] = (d); (u)->x[1] = (c); (u)->x[2] = (b); (u)->x[3] = (a); \
+ (u)->x[4] = (h); (u)->x[5] = (g); (u)->x[6] = (f); (u)->x[7] = (e); \
+ } while (0)
+#define DUK__DOUBLE_COMPARE(u, a, b, c, d, e, f, g, h) \
+ ((u)->x[0] == (d) && (u)->x[1] == (c) && (u)->x[2] == (b) && (u)->x[3] == (a) && \
+ (u)->x[4] == (h) && (u)->x[5] == (g) && (u)->x[6] == (f) && (u)->x[7] == (e))
+#elif defined(DUK_USE_DOUBLE_BE)
+#define DUK__DOUBLE_INIT(u, a, b, c, d, e, f, g, h) do { \
+ (u)->x[0] = (a); (u)->x[1] = (b); (u)->x[2] = (c); (u)->x[3] = (d); \
+ (u)->x[4] = (e); (u)->x[5] = (f); (u)->x[6] = (g); (u)->x[7] = (h); \
+ } while (0)
+#define DUK__DOUBLE_COMPARE(u, a, b, c, d, e, f, g, h) \
+ ((u)->x[0] == (a) && (u)->x[1] == (b) && (u)->x[2] == (c) && (u)->x[3] == (d) && \
+ (u)->x[4] == (e) && (u)->x[5] == (f) && (u)->x[6] == (g) && (u)->x[7] == (h))
+#else
+#error unknown double endianness
+#endif
+
/*
* Various sanity checks for typing
*/
-DUK_LOCAL void duk__selftest_types(void) {
+DUK_LOCAL duk_uint_t duk__selftest_types(void) {
+ duk_uint_t error_count = 0;
+
if (!(sizeof(duk_int8_t) == 1 &&
sizeof(duk_uint8_t) == 1 &&
sizeof(duk_int16_t) == 2 &&
sizeof(duk_uint16_t) == 2 &&
sizeof(duk_int32_t) == 4 &&
sizeof(duk_uint32_t) == 4)) {
- DUK_PANIC(DUK_ERR_INTERNAL_ERROR, "self test failed: duk_(u)int{8,16,32}_t size");
+ DUK__FAILED("duk_(u)int{8,16,32}_t size");
}
#if defined(DUK_USE_64BIT_OPS)
if (!(sizeof(duk_int64_t) == 8 &&
sizeof(duk_uint64_t) == 8)) {
- DUK_PANIC(DUK_ERR_INTERNAL_ERROR, "self test failed: duk_(u)int64_t size");
+ DUK__FAILED("duk_(u)int64_t size");
}
#endif
@@ -79584,30 +83822,37 @@ DUK_LOCAL void duk__selftest_types(void) {
/* Some internal code now assumes that all duk_uint_t values
* can be expressed with a duk_size_t.
*/
- DUK_PANIC(DUK_ERR_INTERNAL_ERROR, "self test failed: duk_size_t is smaller than duk_uint_t");
+ DUK__FAILED("duk_size_t is smaller than duk_uint_t");
}
if (!(sizeof(duk_int_t) >= 4)) {
- DUK_PANIC(DUK_ERR_INTERNAL_ERROR, "self test failed: duk_int_t is not 32 bits");
+ DUK__FAILED("duk_int_t is not 32 bits");
}
+
+ return error_count;
}
/*
* Packed tval sanity
*/
-DUK_LOCAL void duk__selftest_packed_tval(void) {
+DUK_LOCAL duk_uint_t duk__selftest_packed_tval(void) {
+ duk_uint_t error_count = 0;
+
#if defined(DUK_USE_PACKED_TVAL)
if (sizeof(void *) > 4) {
- DUK_PANIC(DUK_ERR_INTERNAL_ERROR, "self test failed: packed duk_tval in use but sizeof(void *) > 4");
+ DUK__FAILED("packed duk_tval in use but sizeof(void *) > 4");
}
#endif
+
+ return error_count;
}
/*
* Two's complement arithmetic.
*/
-DUK_LOCAL void duk__selftest_twos_complement(void) {
+DUK_LOCAL duk_uint_t duk__selftest_twos_complement(void) {
+ duk_uint_t error_count = 0;
volatile int test;
test = -1;
@@ -79615,8 +83860,10 @@ DUK_LOCAL void duk__selftest_twos_complement(void) {
* 'test' will be 0xFF for two's complement.
*/
if (((volatile duk_uint8_t *) &test)[0] != (duk_uint8_t) 0xff) {
- DUK_PANIC(DUK_ERR_INTERNAL_ERROR, "self test failed: two's complement arithmetic");
+ DUK__FAILED("two's complement arithmetic");
}
+
+ return error_count;
}
/*
@@ -79625,7 +83872,8 @@ DUK_LOCAL void duk__selftest_twos_complement(void) {
* defines.
*/
-DUK_LOCAL void duk__selftest_byte_order(void) {
+DUK_LOCAL duk_uint_t duk__selftest_byte_order(void) {
+ duk_uint_t error_count = 0;
duk__test_u32_union u1;
duk__test_double_union u2;
@@ -79633,43 +83881,27 @@ DUK_LOCAL void duk__selftest_byte_order(void) {
* >>> struct.pack('>d', 102030405060).encode('hex')
* '4237c17c6dc40000'
*/
-#if defined(DUK_USE_INTEGER_LE)
- u1.c[0] = 0xef; u1.c[1] = 0xbe; u1.c[2] = 0xad; u1.c[3] = 0xde;
-#elif defined(DUK_USE_INTEGER_ME)
-#error integer mixed endian not supported now
-#elif defined(DUK_USE_INTEGER_BE)
- u1.c[0] = 0xde; u1.c[1] = 0xad; u1.c[2] = 0xbe; u1.c[3] = 0xef;
-#else
-#error unknown integer endianness
-#endif
-#if defined(DUK_USE_DOUBLE_LE)
- u2.c[0] = 0x00; u2.c[1] = 0x00; u2.c[2] = 0xc4; u2.c[3] = 0x6d;
- u2.c[4] = 0x7c; u2.c[5] = 0xc1; u2.c[6] = 0x37; u2.c[7] = 0x42;
-#elif defined(DUK_USE_DOUBLE_ME)
- u2.c[0] = 0x7c; u2.c[1] = 0xc1; u2.c[2] = 0x37; u2.c[3] = 0x42;
- u2.c[4] = 0x00; u2.c[5] = 0x00; u2.c[6] = 0xc4; u2.c[7] = 0x6d;
-#elif defined(DUK_USE_DOUBLE_BE)
- u2.c[0] = 0x42; u2.c[1] = 0x37; u2.c[2] = 0xc1; u2.c[3] = 0x7c;
- u2.c[4] = 0x6d; u2.c[5] = 0xc4; u2.c[6] = 0x00; u2.c[7] = 0x00;
-#else
-#error unknown double endianness
-#endif
+ DUK__U32_INIT(&u1, 0xde, 0xad, 0xbe, 0xef);
+ DUK__DOUBLE_INIT(&u2, 0x42, 0x37, 0xc1, 0x7c, 0x6d, 0xc4, 0x00, 0x00);
if (u1.i != (duk_uint32_t) 0xdeadbeefUL) {
- DUK_PANIC(DUK_ERR_INTERNAL_ERROR, "self test failed: duk_uint32_t byte order");
+ DUK__FAILED("duk_uint32_t byte order");
}
if (u2.d != (double) 102030405060.0) {
- DUK_PANIC(DUK_ERR_INTERNAL_ERROR, "self test failed: double byte order");
+ DUK__FAILED("double byte order");
}
+
+ return error_count;
}
/*
* DUK_BSWAP macros
*/
-DUK_LOCAL void duk__selftest_bswap_macros(void) {
+DUK_LOCAL duk_uint_t duk__selftest_bswap_macros(void) {
+ duk_uint_t error_count = 0;
duk_uint32_t x32;
duk_uint16_t x16;
duk_double_union du;
@@ -79678,13 +83910,13 @@ DUK_LOCAL void duk__selftest_bswap_macros(void) {
x16 = 0xbeefUL;
x16 = DUK_BSWAP16(x16);
if (x16 != (duk_uint16_t) 0xefbeUL) {
- DUK_PANIC(DUK_ERR_INTERNAL_ERROR, "self test failed: DUK_BSWAP16");
+ DUK__FAILED("DUK_BSWAP16");
}
x32 = 0xdeadbeefUL;
x32 = DUK_BSWAP32(x32);
if (x32 != (duk_uint32_t) 0xefbeaddeUL) {
- DUK_PANIC(DUK_ERR_INTERNAL_ERROR, "self test failed: DUK_BSWAP32");
+ DUK__FAILED("DUK_BSWAP32");
}
/* >>> struct.unpack('>d', '4000112233445566'.decode('hex'))
@@ -79696,7 +83928,7 @@ DUK_LOCAL void duk__selftest_bswap_macros(void) {
DUK_DBLUNION_DOUBLE_NTOH(&du);
du_diff = du.d - 2.008366013071895;
#if 0
- DUK_FPRINTF(DUK_STDERR, "du_diff: %lg\n", (double) du_diff);
+ DUK_D(DUK_DPRINT("du_diff: %lg\n", (double) du_diff));
#endif
if (du_diff > 1e-15) {
/* Allow very small lenience because some compilers won't parse
@@ -79704,74 +83936,199 @@ DUK_LOCAL void duk__selftest_bswap_macros(void) {
* Linux gcc-4.8 -m32 at least).
*/
#if 0
- DUK_FPRINTF(DUK_STDERR, "Result of DUK_DBLUNION_DOUBLE_NTOH: %02x %02x %02x %02x %02x %02x %02x %02x\n",
+ DUK_D(DUK_DPRINT("Result of DUK_DBLUNION_DOUBLE_NTOH: %02x %02x %02x %02x %02x %02x %02x %02x\n",
(unsigned int) du.uc[0], (unsigned int) du.uc[1],
(unsigned int) du.uc[2], (unsigned int) du.uc[3],
(unsigned int) du.uc[4], (unsigned int) du.uc[5],
- (unsigned int) du.uc[6], (unsigned int) du.uc[7]);
+ (unsigned int) du.uc[6], (unsigned int) du.uc[7]));
#endif
- DUK_PANIC(DUK_ERR_INTERNAL_ERROR, "self test failed: DUK_DBLUNION_DOUBLE_NTOH");
+ DUK__FAILED("DUK_DBLUNION_DOUBLE_NTOH");
}
+
+ return error_count;
}
/*
* Basic double / byte union memory layout.
*/
-DUK_LOCAL void duk__selftest_double_union_size(void) {
+DUK_LOCAL duk_uint_t duk__selftest_double_union_size(void) {
+ duk_uint_t error_count = 0;
+
if (sizeof(duk__test_double_union) != 8) {
- DUK_PANIC(DUK_ERR_INTERNAL_ERROR, "self test failed: invalid union size");
+ DUK__FAILED("invalid union size");
}
+
+ return error_count;
}
/*
* Union aliasing, see misc/clang_aliasing.c.
*/
-DUK_LOCAL void duk__selftest_double_aliasing(void) {
- duk__test_double_union a, b;
-
+DUK_LOCAL duk_uint_t duk__selftest_double_aliasing(void) {
/* This testcase fails when Emscripten-generated code runs on Firefox.
* It's not an issue because the failure should only affect packed
* duk_tval representation, which is not used with Emscripten.
*/
-#if !defined(DUK_USE_PACKED_TVAL)
- DUK_D(DUK_DPRINT("skip double aliasing self test when duk_tval is not packed"));
- return;
-#endif
+#if defined(DUK_USE_PACKED_TVAL)
+ duk_uint_t error_count = 0;
+ duk__test_double_union a, b;
/* Test signaling NaN and alias assignment in all endianness combinations.
*/
/* little endian */
- a.c[0] = 0x11; a.c[1] = 0x22; a.c[2] = 0x33; a.c[3] = 0x44;
- a.c[4] = 0x00; a.c[5] = 0x00; a.c[6] = 0xf1; a.c[7] = 0xff;
+ a.x[0] = 0x11; a.x[1] = 0x22; a.x[2] = 0x33; a.x[3] = 0x44;
+ a.x[4] = 0x00; a.x[5] = 0x00; a.x[6] = 0xf1; a.x[7] = 0xff;
b = a;
DUK__DBLUNION_CMP_TRUE(&a, &b);
/* big endian */
- a.c[0] = 0xff; a.c[1] = 0xf1; a.c[2] = 0x00; a.c[3] = 0x00;
- a.c[4] = 0x44; a.c[5] = 0x33; a.c[6] = 0x22; a.c[7] = 0x11;
+ a.x[0] = 0xff; a.x[1] = 0xf1; a.x[2] = 0x00; a.x[3] = 0x00;
+ a.x[4] = 0x44; a.x[5] = 0x33; a.x[6] = 0x22; a.x[7] = 0x11;
b = a;
DUK__DBLUNION_CMP_TRUE(&a, &b);
/* mixed endian */
- a.c[0] = 0x00; a.c[1] = 0x00; a.c[2] = 0xf1; a.c[3] = 0xff;
- a.c[4] = 0x11; a.c[5] = 0x22; a.c[6] = 0x33; a.c[7] = 0x44;
+ a.x[0] = 0x00; a.x[1] = 0x00; a.x[2] = 0xf1; a.x[3] = 0xff;
+ a.x[4] = 0x11; a.x[5] = 0x22; a.x[6] = 0x33; a.x[7] = 0x44;
b = a;
DUK__DBLUNION_CMP_TRUE(&a, &b);
+
+ return error_count;
+#else
+ DUK_D(DUK_DPRINT("skip double aliasing self test when duk_tval is not packed"));
+ return 0;
+#endif
}
/*
* Zero sign, see misc/tcc_zerosign2.c.
*/
-DUK_LOCAL void duk__selftest_double_zero_sign(void) {
+DUK_LOCAL duk_uint_t duk__selftest_double_zero_sign(void) {
+ duk_uint_t error_count = 0;
duk__test_double_union a, b;
a.d = 0.0;
b.d = -a.d;
DUK__DBLUNION_CMP_FALSE(&a, &b);
+
+ return error_count;
+}
+
+/*
+ * Rounding mode: Duktape assumes round-to-nearest, check that this is true.
+ * If we had C99 fenv.h we could check that fegetround() == FE_TONEAREST,
+ * but we don't want to rely on that header; and even if we did, it's good
+ * to ensure the rounding actually works.
+ */
+
+DUK_LOCAL duk_uint_t duk__selftest_double_rounding(void) {
+ duk_uint_t error_count = 0;
+ duk__test_double_union a, b, c;
+
+#if 0
+ /* Include <fenv.h> and test manually; these trigger failures: */
+ fesetround(FE_UPWARD);
+ fesetround(FE_DOWNWARD);
+ fesetround(FE_TOWARDZERO);
+
+ /* This is the default and passes. */
+ fesetround(FE_TONEAREST);
+#endif
+
+ /* Rounding tests check that none of the other modes (round to
+ * +Inf, round to -Inf, round to zero) can be active:
+ * http://www.gnu.org/software/libc/manual/html_node/Rounding.html
+ */
+
+ /* 1.0 + 2^(-53): result is midway between 1.0 and 1.0 + ulp.
+ * Round to nearest: 1.0
+ * Round to +Inf: 1.0 + ulp
+ * Round to -Inf: 1.0
+ * Round to zero: 1.0
+ * => Correct result eliminates round to +Inf.
+ */
+ DUK__DOUBLE_INIT(&a, 0xf0, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00);
+ DUK__DOUBLE_INIT(&b, 0x3c, 0xa0, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00);
+ DUK_MEMSET((void *) &c, 0, sizeof(c));
+ c.d = a.d + b.d;
+ if (!DUK__DOUBLE_COMPARE(&c, 0xf0, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00)) {
+ DUK_D(DUK_DPRINT("broken result (native endiannesss): %02x %02x %02x %02x %02x %02x %02x %02x",
+ (unsigned int) c.x[0], (unsigned int) c.x[1],
+ (unsigned int) c.x[2], (unsigned int) c.x[3],
+ (unsigned int) c.x[4], (unsigned int) c.x[5],
+ (unsigned int) c.x[6], (unsigned int) c.x[7]));
+ DUK__FAILED("invalid result from 1.0 + 0.5ulp");
+ }
+
+ /* (1.0 + ulp) + 2^(-53): result is midway between 1.0 + ulp and 1.0 + 2*ulp.
+ * Round to nearest: 1.0 + 2*ulp (round to even mantissa)
+ * Round to +Inf: 1.0 + 2*ulp
+ * Round to -Inf: 1.0 + ulp
+ * Round to zero: 1.0 + ulp
+ * => Correct result eliminates round to -Inf and round to zero.
+ */
+ DUK__DOUBLE_INIT(&a, 0x3f, 0xf0, 0x00, 0x00, 0x00, 0x00, 0x00, 0x01);
+ DUK__DOUBLE_INIT(&b, 0x3c, 0xa0, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00);
+ DUK_MEMSET((void *) &c, 0, sizeof(c));
+ c.d = a.d + b.d;
+ if (!DUK__DOUBLE_COMPARE(&c, 0x3f, 0xf0, 0x00, 0x00, 0x00, 0x00, 0x00, 0x02)) {
+ DUK_D(DUK_DPRINT("broken result (native endiannesss): %02x %02x %02x %02x %02x %02x %02x %02x",
+ (unsigned int) c.x[0], (unsigned int) c.x[1],
+ (unsigned int) c.x[2], (unsigned int) c.x[3],
+ (unsigned int) c.x[4], (unsigned int) c.x[5],
+ (unsigned int) c.x[6], (unsigned int) c.x[7]));
+ DUK__FAILED("invalid result from (1.0 + ulp) + 0.5ulp");
+ }
+
+ /* Could do negative number testing too, but the tests above should
+ * differentiate between IEEE 754 rounding modes.
+ */
+ return error_count;
+}
+
+/*
+ * fmod(): often a portability issue in embedded or bare platform targets.
+ * Check for at least minimally correct behavior. Unlike some other math
+ * functions (like cos()) Duktape relies on fmod() internally too.
+ */
+
+DUK_LOCAL duk_uint_t duk__selftest_fmod(void) {
+ duk_uint_t error_count = 0;
+ duk__test_double_union u1, u2;
+
+ /* fmod() with integer argument and exponent 2^32 is used by e.g.
+ * ToUint32() and some Duktape internals.
+ */
+ u1.d = DUK_FMOD(10.0, 4294967296.0);
+ u2.d = 10.0;
+ DUK__DBLUNION_CMP_TRUE(&u1, &u2);
+
+ u1.d = DUK_FMOD(4294967306.0, 4294967296.0);
+ u2.d = 10.0;
+ DUK__DBLUNION_CMP_TRUE(&u1, &u2);
+
+ u1.d = DUK_FMOD(73014444042.0, 4294967296.0);
+ u2.d = 10.0;
+ DUK__DBLUNION_CMP_TRUE(&u1, &u2);
+
+ /* C99 behavior is for fmod() result sign to mathc argument sign. */
+ u1.d = DUK_FMOD(-10.0, 4294967296.0);
+ u2.d = -10.0;
+ DUK__DBLUNION_CMP_TRUE(&u1, &u2);
+
+ u1.d = DUK_FMOD(-4294967306.0, 4294967296.0);
+ u2.d = -10.0;
+ DUK__DBLUNION_CMP_TRUE(&u1, &u2);
+
+ u1.d = DUK_FMOD(-73014444042.0, 4294967296.0);
+ u2.d = -10.0;
+ DUK__DBLUNION_CMP_TRUE(&u1, &u2);
+
+ return error_count;
}
/*
@@ -79781,20 +84138,23 @@ DUK_LOCAL void duk__selftest_double_zero_sign(void) {
* selftest ensures they're correctly detected and used.
*/
-DUK_LOCAL void duk__selftest_struct_align(void) {
+DUK_LOCAL duk_uint_t duk__selftest_struct_align(void) {
+ duk_uint_t error_count = 0;
+
#if (DUK_USE_ALIGN_BY == 4)
if ((sizeof(duk_hbuffer_fixed) % 4) != 0) {
- DUK_PANIC(DUK_ERR_INTERNAL_ERROR, "self test failed: sizeof(duk_hbuffer_fixed) not aligned to 4");
+ DUK__FAILED("sizeof(duk_hbuffer_fixed) not aligned to 4");
}
#elif (DUK_USE_ALIGN_BY == 8)
if ((sizeof(duk_hbuffer_fixed) % 8) != 0) {
- DUK_PANIC(DUK_ERR_INTERNAL_ERROR, "self test failed: sizeof(duk_hbuffer_fixed) not aligned to 8");
+ DUK__FAILED("sizeof(duk_hbuffer_fixed) not aligned to 8");
}
#elif (DUK_USE_ALIGN_BY == 1)
/* no check */
#else
#error invalid DUK_USE_ALIGN_BY
#endif
+ return error_count;
}
/*
@@ -79804,7 +84164,8 @@ DUK_LOCAL void duk__selftest_struct_align(void) {
* but don't work correctly. Test for known cases.
*/
-DUK_LOCAL void duk__selftest_64bit_arithmetic(void) {
+DUK_LOCAL duk_uint_t duk__selftest_64bit_arithmetic(void) {
+ duk_uint_t error_count = 0;
#if defined(DUK_USE_64BIT_OPS)
volatile duk_int64_t i;
volatile duk_double_t d;
@@ -79813,22 +84174,25 @@ DUK_LOCAL void duk__selftest_64bit_arithmetic(void) {
d = 2147483648.0;
i = (duk_int64_t) d;
if (i != 0x80000000LL) {
- DUK_PANIC(DUK_ERR_INTERNAL_ERROR, "self test failed: casting 2147483648.0 to duk_int64_t failed");
+ DUK__FAILED("casting 2147483648.0 to duk_int64_t failed");
}
#else
/* nop */
#endif
+ return error_count;
}
/*
* Casting
*/
-DUK_LOCAL void duk__selftest_cast_double_to_small_uint(void) {
+DUK_LOCAL duk_uint_t duk__selftest_cast_double_to_small_uint(void) {
/*
* https://github.com/svaarala/duktape/issues/127#issuecomment-77863473
*/
+ duk_uint_t error_count = 0;
+
duk_double_t d1, d2;
duk_small_uint_t u;
@@ -79842,7 +84206,7 @@ DUK_LOCAL void duk__selftest_cast_double_to_small_uint(void) {
d2 = (duk_double_t) u;
if (!(d1 == 1.0 && u == 1 && d2 == 1.0 && d1 == d2)) {
- DUK_PANIC(DUK_ERR_INTERNAL_ERROR, "self test failed: double to duk_small_uint_t cast failed");
+ DUK__FAILED("double to duk_small_uint_t cast failed");
}
/* Same test with volatiles */
@@ -79852,11 +84216,13 @@ DUK_LOCAL void duk__selftest_cast_double_to_small_uint(void) {
d2v = (duk_double_t) uv;
if (!(d1v == 1.0 && uv == 1 && d2v == 1.0 && d1v == d2v)) {
- DUK_PANIC(DUK_ERR_INTERNAL_ERROR, "self test failed: double to duk_small_uint_t cast failed");
+ DUK__FAILED("double to duk_small_uint_t cast failed");
}
+
+ return error_count;
}
-DUK_LOCAL void duk__selftest_cast_double_to_uint32(void) {
+DUK_LOCAL duk_uint_t duk__selftest_cast_double_to_uint32(void) {
/*
* This test fails on an exotic ARM target; double-to-uint
* cast is incorrectly clamped to -signed- int highest value.
@@ -79864,6 +84230,7 @@ DUK_LOCAL void duk__selftest_cast_double_to_uint32(void) {
* https://github.com/svaarala/duktape/issues/336
*/
+ duk_uint_t error_count = 0;
duk_double_t dv;
duk_uint32_t uv;
@@ -79871,35 +84238,109 @@ DUK_LOCAL void duk__selftest_cast_double_to_uint32(void) {
uv = (duk_uint32_t) dv;
if (uv != 0xdeadbeefUL) {
- DUK_PANIC(DUK_ERR_INTERNAL_ERROR, "self test failed: double to duk_uint32_t cast failed");
+ DUK__FAILED("double to duk_uint32_t cast failed");
}
+
+ return error_count;
}
/*
- * Self test main
+ * Minimal test of user supplied allocation functions
+ *
+ * - Basic alloc + realloc + free cycle
+ *
+ * - Realloc to significantly larger size to (hopefully) trigger a
+ * relocation and check that relocation copying works
*/
-DUK_INTERNAL void duk_selftest_run_tests(void) {
- duk__selftest_types();
- duk__selftest_packed_tval();
- duk__selftest_twos_complement();
- duk__selftest_byte_order();
- duk__selftest_bswap_macros();
- duk__selftest_double_union_size();
- duk__selftest_double_aliasing();
- duk__selftest_double_zero_sign();
- duk__selftest_struct_align();
- duk__selftest_64bit_arithmetic();
- duk__selftest_cast_double_to_small_uint();
- duk__selftest_cast_double_to_uint32();
+DUK_LOCAL duk_uint_t duk__selftest_alloc_funcs(duk_alloc_function alloc_func,
+ duk_realloc_function realloc_func,
+ duk_free_function free_func,
+ void *udata) {
+ duk_uint_t error_count = 0;
+ void *ptr;
+ void *new_ptr;
+ duk_small_int_t i, j;
+ unsigned char x;
+
+ if (alloc_func == NULL || realloc_func == NULL || free_func == NULL) {
+ return 0;
+ }
+
+ for (i = 1; i <= 256; i++) {
+ ptr = alloc_func(udata, i);
+ if (ptr == NULL) {
+ DUK_D(DUK_DPRINT("alloc failed, ignore"));
+ continue; /* alloc failed, ignore */
+ }
+ for (j = 0; j < i; j++) {
+ ((unsigned char *) ptr)[j] = (unsigned char) (0x80 + j);
+ }
+ new_ptr = realloc_func(udata, ptr, 1024);
+ if (new_ptr == NULL) {
+ DUK_D(DUK_DPRINT("realloc failed, ignore"));
+ free_func(udata, ptr);
+ continue; /* realloc failed, ignore */
+ }
+ ptr = new_ptr;
+ for (j = 0; j < i; j++) {
+ x = ((unsigned char *) ptr)[j];
+ if (x != (unsigned char) (0x80 + j)) {
+ DUK_D(DUK_DPRINT("byte at index %ld doesn't match after realloc: %02lx",
+ (long) j, (unsigned long) x));
+ DUK__FAILED("byte compare after realloc");
+ break;
+ }
+ }
+ free_func(udata, ptr);
+ }
+
+ return error_count;
}
-#undef DUK__DBLUNION_CMP_TRUE
-#undef DUK__DBLUNION_CMP_FALSE
+/*
+ * Self test main
+ */
+
+DUK_INTERNAL duk_uint_t duk_selftest_run_tests(duk_alloc_function alloc_func,
+ duk_realloc_function realloc_func,
+ duk_free_function free_func,
+ void *udata) {
+ duk_uint_t error_count = 0;
+
+ DUK_D(DUK_DPRINT("self test starting"));
+
+ error_count += duk__selftest_types();
+ error_count += duk__selftest_packed_tval();
+ error_count += duk__selftest_twos_complement();
+ error_count += duk__selftest_byte_order();
+ error_count += duk__selftest_bswap_macros();
+ error_count += duk__selftest_double_union_size();
+ error_count += duk__selftest_double_aliasing();
+ error_count += duk__selftest_double_zero_sign();
+ error_count += duk__selftest_double_rounding();
+ error_count += duk__selftest_fmod();
+ error_count += duk__selftest_struct_align();
+ error_count += duk__selftest_64bit_arithmetic();
+ error_count += duk__selftest_cast_double_to_small_uint();
+ error_count += duk__selftest_cast_double_to_uint32();
+ error_count += duk__selftest_alloc_funcs(alloc_func, realloc_func, free_func, udata);
+
+ DUK_D(DUK_DPRINT("self test complete, total error count: %ld", (long) error_count));
+
+ return error_count;
+}
#endif /* DUK_USE_SELF_TESTS */
-/* include removed: duk_internal.h */
-#line 2 "duk_tval.c"
+
+/* automatic undefs */
+#undef DUK__DBLUNION_CMP_FALSE
+#undef DUK__DBLUNION_CMP_TRUE
+#undef DUK__DOUBLE_COMPARE
+#undef DUK__DOUBLE_INIT
+#undef DUK__FAILED
+#undef DUK__U32_INIT
+/* #include duk_internal.h -> already included */
#if defined(DUK_USE_FASTINT)
@@ -79920,7 +84361,7 @@ DUK_INTERNAL void duk_selftest_run_tests(void) {
* See doc/fastint.rst for details.
*/
-DUK_INTERNAL DUK_ALWAYS_INLINE void duk_tval_set_number_chkfast(duk_tval *tv, duk_double_t x) {
+DUK_INTERNAL DUK_ALWAYS_INLINE void duk_tval_set_number_chkfast_fast(duk_tval *tv, duk_double_t x) {
duk_double_union du;
duk_int64_t i;
duk_small_int_t expt;
@@ -79963,6 +84404,10 @@ DUK_INTERNAL DUK_ALWAYS_INLINE void duk_tval_set_number_chkfast(duk_tval *tv, du
return;
}
+DUK_INTERNAL DUK_NOINLINE void duk_tval_set_number_chkfast_slow(duk_tval *tv, duk_double_t x) {
+ duk_tval_set_number_chkfast_fast(tv, x);
+}
+
/*
* Manually optimized number-to-double conversion
*/
@@ -79998,7 +84443,7 @@ DUK_INTERNAL DUK_ALWAYS_INLINE duk_double_t duk_tval_get_number_unpacked(duk_tva
duk_double_union du;
duk_uint64_t t;
- DUK_ASSERT(tv->t == DUK__TAG_NUMBER || tv->t == DUK_TAG_FASTINT);
+ DUK_ASSERT(tv->t == DUK_TAG_NUMBER || tv->t == DUK_TAG_FASTINT);
if (tv->t == DUK_TAG_FASTINT) {
if (tv->v.fi >= 0) {
@@ -80037,12 +84482,11 @@ DUK_INTERNAL DUK_ALWAYS_INLINE duk_double_t duk_tval_get_number_unpacked_fastint
#endif /* DUK_USE_FASTINT && DUK_USE_PACKED_TVAL */
#endif /* DUK_USE_FASTINT */
-#line 1 "duk_unicode_tables.c"
/*
* Unicode support tables automatically generated during build.
*/
-/* include removed: duk_internal.h */
+/* #include duk_internal.h -> already included */
/*
* Unicode tables containing ranges of Unicode characters in a
@@ -80053,53 +84497,64 @@ DUK_INTERNAL DUK_ALWAYS_INLINE duk_double_t duk_tval_get_number_unpacked_fastint
* compactness is most important.
*
* The tables are matched using uni_range_match() and the format
- * is described in src/extract_chars.py.
+ * is described in tools/extract_chars.py.
*/
-#ifdef DUK_USE_SOURCE_NONBMP
+#if defined(DUK_USE_SOURCE_NONBMP)
/* IdentifierStart production with ASCII excluded */
/* duk_unicode_ids_noa[] */
/*
* Automatically generated by extract_chars.py, do not edit!
*/
-const duk_uint8_t duk_unicode_ids_noa[791] = {
-249,176,176,80,111,7,47,15,47,254,11,197,191,0,72,2,15,115,66,19,57,2,34,2,
-240,66,244,50,247,185,248,234,241,99,8,241,127,58,240,182,47,31,241,191,21,
-18,245,50,15,1,24,27,35,15,2,2,240,239,15,244,156,15,10,241,26,21,6,240,
-101,10,4,15,9,240,159,157,242,100,15,4,8,159,1,98,102,115,19,240,98,98,4,
-52,15,2,14,18,47,0,31,5,85,19,240,98,98,18,18,31,17,50,15,5,47,2,130,34,
-240,98,98,18,68,15,4,15,1,31,21,115,19,240,98,98,18,68,15,16,18,47,1,15,3,
-2,84,34,52,18,2,20,20,36,191,8,15,38,114,34,240,114,146,68,15,12,23,31,21,
-114,34,240,114,146,68,15,18,2,31,1,31,4,114,34,241,147,15,2,15,3,31,10,86,
-240,36,240,130,130,3,111,44,242,2,29,111,44,18,3,18,3,7,50,98,34,2,3,18,50,
-26,3,66,15,7,31,20,15,49,114,241,79,13,79,101,241,191,6,15,2,85,52,4,24,37,
-205,15,3,241,107,241,178,4,255,224,59,35,54,32,35,63,25,35,63,17,35,54,32,
-35,62,47,41,35,63,51,241,127,0,240,47,69,223,254,21,227,240,18,240,166,243,
-180,47,1,194,63,0,240,47,0,240,47,0,194,47,1,242,79,21,5,15,53,244,137,241,
-146,6,243,107,240,223,37,240,227,76,241,207,7,111,42,240,122,242,95,68,15,
-79,241,255,3,111,41,240,238,31,2,241,111,12,241,79,27,43,241,79,93,50,63,0,
-251,15,50,255,224,8,53,63,22,53,55,32,32,32,47,15,63,37,38,32,66,38,67,53,
-92,98,38,246,96,224,240,44,245,112,80,57,32,68,112,32,32,35,42,51,100,80,
-240,63,25,255,233,107,241,242,241,242,247,87,63,3,241,107,242,106,15,2,240,
-122,98,98,98,98,98,98,98,111,66,15,254,12,146,240,184,132,52,95,70,114,47,
-74,35,111,25,79,78,240,63,11,242,127,0,255,224,244,255,240,0,138,143,60,
-255,240,4,11,239,38,255,227,127,243,95,30,63,253,79,0,177,240,111,31,240,
-47,9,159,64,241,152,63,87,51,33,240,9,244,39,34,35,47,7,240,255,36,240,15,
-34,243,5,64,240,15,12,191,7,240,191,13,143,31,240,224,242,47,25,240,146,39,
-240,111,7,64,111,32,32,65,52,48,32,240,162,241,85,53,53,166,38,248,63,19,
-240,255,255,0,26,150,223,7,95,33,255,240,0,255,143,254,2,3,242,227,245,175,
-24,109,70,2,146,194,66,2,18,18,245,207,19,255,224,93,240,79,48,63,38,241,
-171,246,100,47,119,241,111,10,127,10,207,73,69,53,53,50,241,91,47,10,47,3,
-33,46,61,241,79,107,243,127,37,255,223,13,79,33,242,31,15,240,63,11,242,
-127,14,63,20,87,36,241,207,142,255,226,86,83,2,241,194,20,3,240,127,156,
-240,107,240,175,184,15,1,50,34,240,191,30,240,223,117,242,107,240,107,240,
-63,127,243,159,254,42,239,37,243,223,29,255,238,68,255,226,97,248,63,83,
-255,234,145,255,227,33,255,240,2,44,95,254,18,191,255,0,52,187,31,255,0,18,
-242,244,82,243,114,19,3,19,50,178,2,98,243,18,51,114,98,240,194,50,66,4,98,
-255,224,70,63,9,47,9,47,15,47,9,47,15,47,9,47,15,47,9,47,15,47,9,39,255,
-240,1,114,143,255,0,149,201,241,191,254,242,124,252,239,255,0,46,214,255,
-225,16,0,
+const duk_uint8_t duk_unicode_ids_noa[1036] = {
+249,176,176,80,111,7,47,15,47,254,11,197,191,0,72,2,15,115,66,19,50,7,2,34,
+2,240,66,244,50,247,185,249,98,241,99,8,241,127,58,240,182,47,31,241,191,
+21,18,245,50,15,1,24,27,35,15,2,2,240,239,15,244,156,15,10,241,26,21,6,240,
+101,10,4,15,9,240,159,57,240,82,127,56,242,100,15,4,8,159,1,240,5,115,19,
+240,98,98,4,52,15,2,14,18,47,0,31,5,85,19,240,98,98,18,18,31,17,50,15,5,47,
+2,130,34,240,98,98,18,68,15,4,15,1,31,9,12,115,19,240,98,98,18,68,15,16,18,
+47,1,15,3,2,84,34,52,18,2,20,20,36,191,8,15,38,114,34,240,114,240,4,15,12,
+38,31,16,5,114,34,240,114,146,68,15,18,2,31,1,31,4,114,34,241,147,15,2,6,
+41,47,10,86,240,36,240,130,130,3,111,44,242,2,29,111,44,18,3,18,3,7,50,98,
+34,2,3,18,50,26,3,66,15,7,63,18,15,49,114,241,79,13,79,101,241,191,6,15,2,
+85,52,4,24,37,205,15,3,241,98,6,3,241,178,255,224,63,35,54,32,35,63,25,35,
+63,17,35,54,32,35,62,47,41,35,63,51,241,127,0,240,47,70,53,79,254,21,227,
+240,18,240,166,243,180,168,194,63,0,240,47,0,240,47,0,194,47,1,242,79,21,5,
+15,53,244,137,67,241,34,6,243,107,240,255,35,240,227,76,241,197,240,175,40,
+240,122,242,95,68,15,79,241,255,3,111,41,240,238,27,241,207,12,241,79,27,
+43,241,67,143,82,50,52,26,251,15,50,255,224,8,53,63,22,53,55,32,32,32,47,
+15,63,37,38,32,66,38,67,53,92,98,38,246,96,224,240,44,245,112,80,57,32,68,
+112,32,32,35,42,51,100,80,240,63,25,255,233,107,241,242,241,242,247,87,52,
+29,241,98,6,3,242,136,15,2,240,122,98,98,98,98,98,98,98,111,66,15,254,12,
+146,240,184,132,52,95,70,114,47,74,35,111,25,79,78,240,63,11,242,127,0,255,
+224,244,255,240,0,138,143,60,255,240,4,12,143,28,255,227,127,243,95,30,63,
+253,79,0,177,240,111,31,240,47,15,63,64,241,152,63,87,63,20,39,243,26,34,
+35,47,7,240,255,36,240,15,34,243,5,64,32,223,12,191,7,240,191,13,143,31,
+240,224,240,36,41,180,47,25,240,146,39,240,111,7,64,79,34,32,65,52,48,32,
+240,162,58,130,213,53,53,166,38,47,27,41,191,99,240,255,255,0,26,150,223,7,
+95,33,255,240,0,255,143,254,6,3,245,175,24,109,70,2,146,194,66,2,18,18,245,
+207,19,255,224,93,240,79,48,63,38,241,171,246,100,47,119,241,111,10,127,10,
+207,73,69,53,53,50,241,91,47,10,47,3,33,46,61,241,79,107,243,127,37,255,
+223,13,79,33,242,31,16,240,47,11,111,22,191,14,63,20,87,36,241,207,142,240,
+79,20,95,20,95,24,159,36,248,239,254,2,154,240,107,127,138,83,2,241,194,20,
+3,240,123,240,122,240,255,51,240,50,27,240,107,240,175,56,242,135,31,50,15,
+1,50,34,240,191,30,240,212,240,223,21,114,240,207,13,242,107,240,107,240,
+62,240,47,96,243,159,41,242,62,242,63,254,32,79,37,243,223,29,241,47,9,240,
+207,20,241,191,19,64,223,32,240,3,240,112,32,241,95,2,47,9,244,102,32,35,
+46,41,143,31,241,135,49,63,6,38,33,36,64,240,64,212,249,15,37,240,67,242,
+127,32,240,97,32,250,175,31,241,179,241,111,32,240,96,242,223,27,244,127,
+10,255,224,122,243,15,17,15,254,11,79,41,255,152,47,21,240,48,242,63,14,
+255,226,100,255,226,140,245,143,95,240,63,180,255,233,176,255,227,33,255,
+238,197,255,225,57,255,240,1,10,223,254,18,184,240,255,99,240,239,4,242,15,
+2,63,17,240,86,240,63,254,38,79,53,192,243,76,243,32,241,31,255,0,6,223,
+240,95,254,30,95,255,0,20,1,31,254,175,47,91,108,72,137,255,240,0,101,175,
+69,47,55,33,48,49,51,43,32,38,47,49,35,55,38,47,12,35,36,32,70,47,254,4,99,
+240,146,240,146,240,242,240,146,240,242,240,146,240,242,240,146,240,242,
+240,146,127,254,242,143,181,242,223,52,255,227,176,50,240,178,18,3,2,146,
+50,2,7,5,2,2,2,34,18,3,2,2,2,2,2,18,3,50,98,50,50,2,146,240,22,34,66,240,
+31,255,0,0,56,255,240,9,92,159,27,255,239,39,207,206,63,255,0,5,116,255,
+240,1,133,47,254,17,0,
};
#else
/* IdentifierStart production with ASCII and non-BMP excluded */
@@ -80108,38 +84563,39 @@ const duk_uint8_t duk_unicode_ids_noa[791] = {
* Automatically generated by extract_chars.py, do not edit!
*/
-const duk_uint8_t duk_unicode_ids_noabmp[611] = {
-249,176,176,80,111,7,47,15,47,254,11,197,191,0,72,2,15,115,66,19,57,2,34,2,
-240,66,244,50,247,185,248,234,241,99,8,241,127,58,240,182,47,31,241,191,21,
-18,245,50,15,1,24,27,35,15,2,2,240,239,15,244,156,15,10,241,26,21,6,240,
-101,10,4,15,9,240,159,157,242,100,15,4,8,159,1,98,102,115,19,240,98,98,4,
-52,15,2,14,18,47,0,31,5,85,19,240,98,98,18,18,31,17,50,15,5,47,2,130,34,
-240,98,98,18,68,15,4,15,1,31,21,115,19,240,98,98,18,68,15,16,18,47,1,15,3,
-2,84,34,52,18,2,20,20,36,191,8,15,38,114,34,240,114,146,68,15,12,23,31,21,
-114,34,240,114,146,68,15,18,2,31,1,31,4,114,34,241,147,15,2,15,3,31,10,86,
-240,36,240,130,130,3,111,44,242,2,29,111,44,18,3,18,3,7,50,98,34,2,3,18,50,
-26,3,66,15,7,31,20,15,49,114,241,79,13,79,101,241,191,6,15,2,85,52,4,24,37,
-205,15,3,241,107,241,178,4,255,224,59,35,54,32,35,63,25,35,63,17,35,54,32,
-35,62,47,41,35,63,51,241,127,0,240,47,69,223,254,21,227,240,18,240,166,243,
-180,47,1,194,63,0,240,47,0,240,47,0,194,47,1,242,79,21,5,15,53,244,137,241,
-146,6,243,107,240,223,37,240,227,76,241,207,7,111,42,240,122,242,95,68,15,
-79,241,255,3,111,41,240,238,31,2,241,111,12,241,79,27,43,241,79,93,50,63,0,
-251,15,50,255,224,8,53,63,22,53,55,32,32,32,47,15,63,37,38,32,66,38,67,53,
-92,98,38,246,96,224,240,44,245,112,80,57,32,68,112,32,32,35,42,51,100,80,
-240,63,25,255,233,107,241,242,241,242,247,87,63,3,241,107,242,106,15,2,240,
-122,98,98,98,98,98,98,98,111,66,15,254,12,146,240,184,132,52,95,70,114,47,
-74,35,111,25,79,78,240,63,11,242,127,0,255,224,244,255,240,0,138,143,60,
-255,240,4,11,239,38,255,227,127,243,95,30,63,253,79,0,177,240,111,31,240,
-47,9,159,64,241,152,63,87,51,33,240,9,244,39,34,35,47,7,240,255,36,240,15,
-34,243,5,64,240,15,12,191,7,240,191,13,143,31,240,224,242,47,25,240,146,39,
-240,111,7,64,111,32,32,65,52,48,32,240,162,241,85,53,53,166,38,248,63,19,
-240,255,255,0,26,150,223,7,95,33,255,240,0,255,143,254,2,3,242,227,245,175,
-24,109,70,2,146,194,66,2,18,18,245,207,19,255,224,93,240,79,48,63,38,241,
-171,246,100,47,119,241,111,10,127,10,207,73,69,53,53,50,0,
+const duk_uint8_t duk_unicode_ids_noabmp[625] = {
+249,176,176,80,111,7,47,15,47,254,11,197,191,0,72,2,15,115,66,19,50,7,2,34,
+2,240,66,244,50,247,185,249,98,241,99,8,241,127,58,240,182,47,31,241,191,
+21,18,245,50,15,1,24,27,35,15,2,2,240,239,15,244,156,15,10,241,26,21,6,240,
+101,10,4,15,9,240,159,57,240,82,127,56,242,100,15,4,8,159,1,240,5,115,19,
+240,98,98,4,52,15,2,14,18,47,0,31,5,85,19,240,98,98,18,18,31,17,50,15,5,47,
+2,130,34,240,98,98,18,68,15,4,15,1,31,9,12,115,19,240,98,98,18,68,15,16,18,
+47,1,15,3,2,84,34,52,18,2,20,20,36,191,8,15,38,114,34,240,114,240,4,15,12,
+38,31,16,5,114,34,240,114,146,68,15,18,2,31,1,31,4,114,34,241,147,15,2,6,
+41,47,10,86,240,36,240,130,130,3,111,44,242,2,29,111,44,18,3,18,3,7,50,98,
+34,2,3,18,50,26,3,66,15,7,63,18,15,49,114,241,79,13,79,101,241,191,6,15,2,
+85,52,4,24,37,205,15,3,241,98,6,3,241,178,255,224,63,35,54,32,35,63,25,35,
+63,17,35,54,32,35,62,47,41,35,63,51,241,127,0,240,47,70,53,79,254,21,227,
+240,18,240,166,243,180,168,194,63,0,240,47,0,240,47,0,194,47,1,242,79,21,5,
+15,53,244,137,67,241,34,6,243,107,240,255,35,240,227,76,241,197,240,175,40,
+240,122,242,95,68,15,79,241,255,3,111,41,240,238,27,241,207,12,241,79,27,
+43,241,67,143,82,50,52,26,251,15,50,255,224,8,53,63,22,53,55,32,32,32,47,
+15,63,37,38,32,66,38,67,53,92,98,38,246,96,224,240,44,245,112,80,57,32,68,
+112,32,32,35,42,51,100,80,240,63,25,255,233,107,241,242,241,242,247,87,52,
+29,241,98,6,3,242,136,15,2,240,122,98,98,98,98,98,98,98,111,66,15,254,12,
+146,240,184,132,52,95,70,114,47,74,35,111,25,79,78,240,63,11,242,127,0,255,
+224,244,255,240,0,138,143,60,255,240,4,12,143,28,255,227,127,243,95,30,63,
+253,79,0,177,240,111,31,240,47,15,63,64,241,152,63,87,63,20,39,243,26,34,
+35,47,7,240,255,36,240,15,34,243,5,64,32,223,12,191,7,240,191,13,143,31,
+240,224,240,36,41,180,47,25,240,146,39,240,111,7,64,79,34,32,65,52,48,32,
+240,162,58,130,213,53,53,166,38,47,27,41,191,99,240,255,255,0,26,150,223,7,
+95,33,255,240,0,255,143,254,6,3,245,175,24,109,70,2,146,194,66,2,18,18,245,
+207,19,255,224,93,240,79,48,63,38,241,171,246,100,47,119,241,111,10,127,10,
+207,73,69,53,53,50,0,
};
#endif
-#ifdef DUK_USE_SOURCE_NONBMP
+#if defined(DUK_USE_SOURCE_NONBMP)
/* IdentifierStart production with Letter and ASCII excluded */
/* duk_unicode_ids_m_let_noa[] */
/*
@@ -80148,7 +84604,7 @@ const duk_uint8_t duk_unicode_ids_noabmp[611] = {
const duk_uint8_t duk_unicode_ids_m_let_noa[42] = {
255,240,0,94,18,255,233,99,241,51,63,254,215,32,240,184,240,2,255,240,6,89,
-249,255,240,4,148,79,37,255,224,192,9,15,120,79,255,0,15,30,245,48,
+249,255,240,4,148,79,37,255,224,192,9,15,120,79,255,0,15,30,245,240,
};
#else
/* IdentifierStart production with Letter, ASCII, and non-BMP excluded */
@@ -80163,33 +84619,39 @@ const duk_uint8_t duk_unicode_ids_m_let_noabmp[24] = {
};
#endif
-#ifdef DUK_USE_SOURCE_NONBMP
+#if defined(DUK_USE_SOURCE_NONBMP)
/* IdentifierPart production with IdentifierStart and ASCII excluded */
/* duk_unicode_idp_m_ids_noa[] */
/*
* Automatically generated by extract_chars.py, do not edit!
*/
-const duk_uint8_t duk_unicode_idp_m_ids_noa[397] = {
+const duk_uint8_t duk_unicode_idp_m_ids_noa[530] = {
255,225,243,246,15,254,0,116,255,191,29,32,33,33,32,243,170,242,47,15,112,
245,118,53,49,35,57,240,144,241,15,11,244,218,240,25,241,56,241,67,40,34,
-36,241,210,249,99,242,130,47,2,38,177,57,240,50,242,160,38,49,50,160,177,
-57,240,50,242,160,36,81,50,64,240,107,64,194,242,160,39,34,34,240,97,57,
-240,50,242,160,38,49,50,145,177,57,240,64,242,212,66,35,160,240,9,240,50,
-242,198,34,35,129,193,57,240,65,242,160,38,34,35,129,193,57,240,65,242,198,
-34,35,160,177,57,240,65,243,128,85,32,39,240,65,242,240,54,215,41,244,144,
-53,33,197,57,243,1,121,192,32,32,81,242,63,4,33,106,47,20,160,245,111,4,41,
-211,82,34,54,67,235,46,255,225,179,47,254,42,98,240,242,240,241,241,1,243,
-79,14,160,57,241,50,57,248,16,246,139,91,185,245,47,1,129,121,242,244,242,
-185,47,13,58,121,245,132,242,31,1,201,240,56,210,241,9,105,241,237,242,47,
-4,153,121,246,130,47,5,80,80,251,255,23,240,115,255,225,0,31,35,31,5,15,
-109,197,4,191,254,175,34,247,240,245,47,16,255,225,30,95,91,31,255,0,100,
-121,159,55,13,31,100,31,254,0,64,64,80,240,148,244,161,242,79,1,201,127,2,
-240,9,240,231,240,188,241,227,242,29,240,25,244,29,208,145,57,241,48,242,
-96,34,49,97,32,255,224,21,114,19,159,255,0,62,24,15,254,29,95,0,240,38,209,
-240,162,251,41,241,112,255,225,177,15,254,25,105,255,228,75,34,22,63,26,37,
-15,254,75,66,242,126,241,25,240,34,241,250,255,240,10,249,228,69,151,54,
-241,3,248,98,255,228,125,242,47,255,12,23,244,254,0,
+36,241,210,246,173,47,17,242,130,47,2,38,177,57,240,50,242,160,38,49,50,
+160,177,57,240,50,242,160,36,81,50,64,240,107,64,194,242,160,39,34,34,240,
+97,57,240,50,242,160,38,49,50,145,177,57,240,64,242,212,66,35,160,240,9,
+240,35,242,198,34,35,129,193,57,240,50,242,160,38,34,35,129,193,57,240,50,
+242,198,34,35,160,177,57,240,65,243,128,85,32,39,121,49,242,240,54,215,41,
+244,144,53,33,197,57,243,1,121,192,32,32,81,242,63,4,33,106,47,20,160,245,
+111,4,41,211,82,34,54,67,235,46,255,225,179,47,254,42,98,240,242,240,241,
+241,1,243,47,16,160,57,241,50,57,245,209,241,64,246,139,91,185,247,41,242,
+244,242,185,47,13,58,121,240,141,243,68,242,31,1,201,240,56,210,241,12,57,
+241,237,242,47,4,153,121,246,130,47,5,80,82,65,251,143,38,100,255,225,0,31,
+35,31,5,15,109,197,4,191,254,175,34,247,240,245,47,16,255,225,30,95,91,31,
+255,0,100,121,159,55,5,159,18,31,66,31,254,0,64,64,80,240,148,244,161,242,
+79,2,185,127,2,240,9,240,231,240,188,241,227,242,29,240,25,192,185,242,29,
+208,145,57,241,50,242,64,34,49,97,32,241,180,97,253,231,33,57,255,240,3,
+225,128,255,225,213,240,15,2,240,4,31,10,47,178,159,23,15,254,27,16,253,64,
+248,116,255,224,25,159,254,68,178,33,99,241,162,80,249,113,255,228,13,47,
+39,239,17,159,1,63,31,175,39,151,47,22,210,159,37,13,47,34,218,36,159,68,
+183,15,146,182,151,63,42,2,99,19,42,11,19,100,79,178,240,42,159,72,240,77,
+159,199,99,143,13,31,68,240,31,1,159,67,201,159,69,229,159,254,9,169,255,
+226,57,114,127,2,159,42,240,98,223,255,0,60,157,159,120,79,45,111,11,159,
+254,46,191,30,240,35,255,240,3,191,225,255,240,0,59,164,69,151,54,241,3,
+248,98,255,228,125,242,47,254,15,79,39,95,34,144,240,0,240,132,46,255,228,
+68,98,240,19,98,18,79,254,121,150,245,246,105,255,240,192,105,175,224,0,
};
#else
/* IdentifierPart production with IdentifierStart, ASCII, and non-BMP excluded */
@@ -80198,29 +84660,29 @@ const duk_uint8_t duk_unicode_idp_m_ids_noa[397] = {
* Automatically generated by extract_chars.py, do not edit!
*/
-const duk_uint8_t duk_unicode_idp_m_ids_noabmp[348] = {
+const duk_uint8_t duk_unicode_idp_m_ids_noabmp[357] = {
255,225,243,246,15,254,0,116,255,191,29,32,33,33,32,243,170,242,47,15,112,
245,118,53,49,35,57,240,144,241,15,11,244,218,240,25,241,56,241,67,40,34,
-36,241,210,249,99,242,130,47,2,38,177,57,240,50,242,160,38,49,50,160,177,
-57,240,50,242,160,36,81,50,64,240,107,64,194,242,160,39,34,34,240,97,57,
-240,50,242,160,38,49,50,145,177,57,240,64,242,212,66,35,160,240,9,240,50,
-242,198,34,35,129,193,57,240,65,242,160,38,34,35,129,193,57,240,65,242,198,
-34,35,160,177,57,240,65,243,128,85,32,39,240,65,242,240,54,215,41,244,144,
-53,33,197,57,243,1,121,192,32,32,81,242,63,4,33,106,47,20,160,245,111,4,41,
-211,82,34,54,67,235,46,255,225,179,47,254,42,98,240,242,240,241,241,1,243,
-79,14,160,57,241,50,57,248,16,246,139,91,185,245,47,1,129,121,242,244,242,
-185,47,13,58,121,245,132,242,31,1,201,240,56,210,241,9,105,241,237,242,47,
-4,153,121,246,130,47,5,80,80,251,255,23,240,115,255,225,0,31,35,31,5,15,
-109,197,4,191,254,175,34,247,240,245,47,16,255,225,30,95,91,31,255,0,100,
-121,159,55,13,31,100,31,254,0,64,64,80,240,148,244,161,242,79,1,201,127,2,
-240,9,240,231,240,188,241,227,242,29,240,25,244,29,208,145,57,241,48,242,
-96,34,49,97,32,255,224,21,114,19,159,255,0,62,24,15,254,29,95,0,240,38,209,
-240,162,251,41,241,112,0,
+36,241,210,246,173,47,17,242,130,47,2,38,177,57,240,50,242,160,38,49,50,
+160,177,57,240,50,242,160,36,81,50,64,240,107,64,194,242,160,39,34,34,240,
+97,57,240,50,242,160,38,49,50,145,177,57,240,64,242,212,66,35,160,240,9,
+240,35,242,198,34,35,129,193,57,240,50,242,160,38,34,35,129,193,57,240,50,
+242,198,34,35,160,177,57,240,65,243,128,85,32,39,121,49,242,240,54,215,41,
+244,144,53,33,197,57,243,1,121,192,32,32,81,242,63,4,33,106,47,20,160,245,
+111,4,41,211,82,34,54,67,235,46,255,225,179,47,254,42,98,240,242,240,241,
+241,1,243,47,16,160,57,241,50,57,245,209,241,64,246,139,91,185,247,41,242,
+244,242,185,47,13,58,121,240,141,243,68,242,31,1,201,240,56,210,241,12,57,
+241,237,242,47,4,153,121,246,130,47,5,80,82,65,251,143,38,100,255,225,0,31,
+35,31,5,15,109,197,4,191,254,175,34,247,240,245,47,16,255,225,30,95,91,31,
+255,0,100,121,159,55,5,159,18,31,66,31,254,0,64,64,80,240,148,244,161,242,
+79,2,185,127,2,240,9,240,231,240,188,241,227,242,29,240,25,192,185,242,29,
+208,145,57,241,50,242,64,34,49,97,32,241,180,97,253,231,33,57,255,240,3,
+225,128,255,225,213,240,15,2,240,4,31,10,47,178,159,23,0,
};
#endif
/*
- * Case conversion tables generated using src/extract_caseconv.py.
+ * Case conversion tables generated using tools/extract_caseconv.py.
*/
/* duk_unicode_caseconv_uc[] */
@@ -80230,95 +84692,102 @@ const duk_uint8_t duk_unicode_idp_m_ids_noabmp[348] = {
* Automatically generated by extract_caseconv.py, do not edit!
*/
-const duk_uint8_t duk_unicode_caseconv_uc[1288] = {
-132,3,128,3,0,184,7,192,6,192,112,35,242,199,224,64,74,192,49,32,128,162,
+const duk_uint8_t duk_unicode_caseconv_uc[1386] = {
+144,3,128,3,0,184,7,192,6,192,112,35,242,199,224,64,74,192,49,32,128,162,
128,108,65,1,189,129,254,131,3,173,3,136,6,7,98,7,34,68,15,12,14,140,72,30,
-104,28,112,32,67,0,65,4,0,138,0,128,4,1,88,65,76,83,15,128,15,132,8,31,16,
-31,24,12,62,64,62,80,32,124,192,124,224,64,250,0,250,64,97,246,1,246,129,3,
-238,3,247,64,135,220,135,242,2,15,187,15,237,2,31,120,31,248,4,62,244,63,
-212,8,125,240,127,232,16,253,128,253,192,33,253,1,253,128,67,252,3,253,0,
-136,92,8,88,8,18,104,18,91,26,44,48,44,0,94,90,0,33,64,155,253,7,252,132,
-212,0,32,32,32,6,0,76,192,76,129,128,157,0,156,136,1,75,1,74,46,2,244,2,
-242,12,6,12,6,8,16,13,8,13,0,48,27,64,27,48,64,57,192,57,162,0,119,192,119,
-132,128,252,128,252,20,2,35,2,34,18,4,142,4,140,20,13,196,13,192,16,30,200,
-30,192,192,70,16,70,2,32,145,96,145,70,193,48,129,48,67,130,104,130,104,44,
-30,1,30,0,150,61,66,61,64,192,125,68,125,100,33,99,65,99,56,50,200,18,200,
-6,69,157,133,157,96,169,144,105,144,11,211,64,211,64,12,167,35,167,34,15,
-78,103,78,100,126,157,234,157,228,21,59,253,59,240,90,122,26,122,0,163,128,
-214,128,214,2,1,197,1,196,6,3,140,3,136,12,7,200,7,196,16,20,0,13,48,32,63,
-128,63,112,69,142,101,142,64,130,1,136,1,135,4,3,114,3,112,8,26,120,202,
-120,176,65,1,30,1,29,130,2,105,1,150,5,255,96,22,160,115,128,31,224,47,0,
-38,32,9,32,47,224,10,96,48,0,72,96,50,64,50,32,50,160,62,192,51,32,51,0,51,
-64,71,160,51,192,68,0,53,0,52,224,55,224,62,224,59,160,49,192,62,96,62,32,
-74,5,141,224,74,37,141,160,74,69,142,0,74,96,48,32,74,128,48,192,75,32,49,
-224,75,96,50,0,76,0,50,96,76,96,50,128,76,180,241,160,77,0,50,224,77,101,
-140,64,78,37,141,192,78,64,51,160,78,160,51,224,79,165,140,128,81,0,53,192,
-81,32,72,128,81,128,72,160,82,64,54,224,104,160,115,32,110,224,110,192,117,
-128,112,192,120,64,116,96,121,128,113,128,122,0,114,64,122,32,115,0,122,
-160,116,192,122,192,116,0,122,224,121,224,126,0,115,64,126,32,116,32,126,
-64,127,32,126,160,114,160,153,224,152,3,175,52,239,163,175,165,140,99,211,
-99,204,3,247,192,115,35,252,163,253,132,41,196,38,68,48,132,48,101,140,37,
-140,5,140,160,71,69,140,192,71,217,128,55,224,5,48,5,48,20,152,10,240,1,56,
-7,194,0,74,3,12,3,144,192,230,64,194,0,192,64,236,48,58,80,48,128,48,16,88,
-120,20,212,21,72,122,90,0,72,3,49,30,151,128,21,0,194,7,166,32,5,112,48,
-161,233,152,1,100,12,40,122,106,0,65,2,190,31,80,128,233,64,196,199,212,
-176,58,80,49,48,48,1,245,76,14,148,12,76,12,4,125,91,3,165,3,19,3,66,31,
-128,135,194,0,230,71,224,97,240,144,57,145,248,40,124,40,14,100,126,14,31,
-11,3,153,31,132,135,195,0,230,71,225,97,240,208,57,145,248,104,124,56,14,
-100,126,30,31,15,3,153,31,136,135,194,0,230,71,226,97,240,144,57,145,248,
-168,124,40,14,100,126,46,31,11,3,153,31,140,135,195,0,230,71,227,97,240,
-208,57,145,248,232,124,56,14,100,126,62,31,15,3,153,31,144,135,202,0,230,
-71,228,97,242,144,57,145,249,40,124,168,14,100,126,78,31,43,3,153,31,148,
-135,203,0,230,71,229,97,242,208,57,145,249,104,124,184,14,100,126,94,31,47,
-3,153,31,152,135,202,0,230,71,230,97,242,144,57,145,249,168,124,168,14,100,
-126,110,31,43,3,153,31,156,135,203,0,230,71,231,97,242,208,57,145,249,232,
-124,184,14,100,126,126,31,47,3,153,31,160,135,218,0,230,71,232,97,246,144,
-57,145,250,40,125,168,14,100,126,142,31,107,3,153,31,164,135,219,0,230,71,
-233,97,246,208,57,145,250,104,125,184,14,100,126,158,31,111,3,153,31,168,
-135,218,0,230,71,234,97,246,144,57,145,250,168,125,168,14,100,126,174,31,
-107,3,153,31,172,135,219,0,230,71,235,97,246,208,57,145,250,232,125,184,14,
-100,126,190,31,111,3,153,31,178,135,238,128,230,71,236,224,57,16,57,145,
-251,72,14,24,14,100,126,218,3,145,3,66,31,183,192,228,64,208,128,230,71,
-239,32,57,16,57,145,252,40,127,40,14,100,127,14,3,151,3,153,31,196,128,226,
-64,230,71,241,160,57,112,52,33,252,124,14,92,13,8,14,100,127,50,3,151,3,
-153,31,210,192,230,64,194,0,192,7,244,240,57,144,48,128,48,17,253,104,14,
-100,13,8,127,95,3,153,3,8,3,66,31,226,192,233,64,194,0,192,7,248,240,58,80,
-48,128,48,17,254,72,14,132,12,76,127,154,3,165,3,66,31,231,192,233,64,194,
-0,208,135,252,161,255,160,57,145,255,56,14,164,14,100,127,210,3,143,3,153,
-31,246,128,234,64,208,135,253,240,58,144,52,32,57,145,255,200,14,164,14,
-103,236,2,0,70,0,70,251,1,128,17,128,18,126,192,160,4,96,4,207,176,60,1,24,
-1,24,1,39,236,19,0,70,0,70,0,76,251,5,128,20,192,21,62,193,160,5,48,5,79,
-177,56,21,16,21,27,236,82,5,68,5,53,251,21,129,81,1,78,254,197,160,84,224,
-84,111,177,120,21,16,20,244,
+104,28,112,32,67,0,65,4,0,138,0,128,4,1,88,65,76,83,9,252,9,248,6,28,131,4,
+33,4,62,0,62,16,32,124,64,124,96,48,249,0,249,64,129,243,1,243,129,3,232,3,
+233,1,135,216,7,218,4,15,184,15,221,2,31,114,31,200,8,62,236,63,180,8,125,
+224,127,224,16,251,208,255,80,33,247,193,255,160,67,246,3,247,0,135,244,7,
+246,1,15,240,15,244,2,33,112,33,96,32,73,160,73,108,104,176,192,176,1,121,
+104,0,133,2,106,183,1,58,10,31,232,63,228,38,162,1,1,1,0,48,2,102,2,100,12,
+4,232,4,228,64,10,88,10,81,112,23,160,23,144,96,48,96,48,64,128,104,64,104,
+1,128,218,0,217,130,1,206,1,205,16,3,190,3,188,36,7,228,7,224,160,17,24,17,
+16,144,36,112,36,96,160,110,32,110,0,128,246,64,246,6,2,48,130,48,17,4,139,
+4,138,54,9,132,9,130,28,19,68,19,65,128,240,8,240,4,177,234,17,234,6,3,234,
+35,235,33,11,26,11,25,193,150,64,150,64,50,44,236,44,235,5,76,131,76,128,
+94,154,6,154,0,117,57,29,57,16,122,115,58,115,35,244,239,84,239,32,169,223,
+233,223,130,211,200,211,200,2,167,151,167,150,21,79,107,79,104,8,112,26,
+208,26,192,64,56,160,56,128,192,113,128,113,1,128,249,0,248,130,2,128,1,
+166,4,7,240,7,238,8,177,204,177,200,16,96,49,0,48,224,128,110,64,110,1,1,
+51,83,213,2,0,48,35,192,35,176,64,77,32,50,192,139,73,196,49,193,127,48,2,
+212,14,112,3,252,5,224,4,196,1,36,5,252,1,76,6,0,9,12,6,72,6,68,6,84,7,216,
+6,100,6,96,6,104,8,244,6,120,8,128,6,160,6,156,6,252,7,220,7,116,6,56,7,
+204,7,196,9,64,177,188,9,68,177,180,9,72,177,192,9,76,6,4,9,80,6,24,9,100,
+6,60,9,108,6,64,9,114,158,172,9,128,6,76,9,134,158,176,9,140,6,80,9,150,
+158,52,9,160,6,92,9,172,177,136,9,178,158,180,9,196,177,184,9,200,6,116,9,
+212,6,124,9,244,177,144,10,30,158,196,10,32,6,184,10,36,9,16,10,48,9,20,10,
+72,6,220,10,118,158,200,10,122,158,192,13,20,14,100,13,220,13,216,14,176,
+14,24,15,8,14,140,15,48,14,48,15,64,14,72,15,68,14,96,15,84,14,152,15,88,
+14,128,15,92,15,60,15,192,14,104,15,196,14,132,15,200,15,228,15,204,13,252,
+15,212,14,84,19,60,19,0,114,0,16,72,114,4,16,80,114,8,16,120,114,20,16,136,
+114,24,16,168,114,28,17,136,114,34,153,40,117,230,157,244,117,244,177,140,
+122,108,121,128,126,248,14,100,127,148,127,176,133,56,132,200,134,16,134,
+12,177,132,177,128,177,148,8,232,177,152,8,248,179,204,179,202,158,50,158,
+46,173,78,158,207,48,6,252,0,166,0,166,2,147,1,94,0,39,0,248,64,9,64,97,
+128,114,24,28,200,24,64,24,8,29,134,7,74,6,16,6,2,11,15,2,154,130,169,15,
+75,64,9,0,102,35,210,240,2,160,24,64,244,196,0,174,6,20,61,51,0,44,129,133,
+15,77,64,8,32,87,195,234,16,29,40,24,152,250,150,7,74,6,38,6,0,62,169,129,
+210,129,137,129,128,143,171,96,116,160,98,96,104,67,240,16,248,64,28,200,
+252,12,62,18,7,50,63,5,15,133,1,204,143,193,195,225,96,115,35,240,144,248,
+96,28,200,252,44,62,26,7,50,63,13,15,135,1,204,143,195,195,225,224,115,35,
+241,16,248,64,28,200,252,76,62,18,7,50,63,21,15,133,1,204,143,197,195,225,
+96,115,35,241,144,248,96,28,200,252,108,62,26,7,50,63,29,15,135,1,204,143,
+199,195,225,224,115,35,242,16,249,64,28,200,252,140,62,82,7,50,63,37,15,
+149,1,204,143,201,195,229,96,115,35,242,144,249,96,28,200,252,172,62,90,7,
+50,63,45,15,151,1,204,143,203,195,229,224,115,35,243,16,249,64,28,200,252,
+204,62,82,7,50,63,53,15,149,1,204,143,205,195,229,96,115,35,243,144,249,96,
+28,200,252,236,62,90,7,50,63,61,15,151,1,204,143,207,195,229,224,115,35,
+244,16,251,64,28,200,253,12,62,210,7,50,63,69,15,181,1,204,143,209,195,237,
+96,115,35,244,144,251,96,28,200,253,44,62,218,7,50,63,77,15,183,1,204,143,
+211,195,237,224,115,35,245,16,251,64,28,200,253,76,62,210,7,50,63,85,15,
+181,1,204,143,213,195,237,96,115,35,245,144,251,96,28,200,253,108,62,218,7,
+50,63,93,15,183,1,204,143,215,195,237,224,115,35,246,80,253,208,28,200,253,
+156,7,34,7,50,63,105,1,195,1,204,143,219,64,114,32,104,67,246,248,28,136,
+26,16,28,200,253,228,7,34,7,50,63,133,15,229,1,204,143,225,192,114,224,115,
+35,248,144,28,72,28,200,254,52,7,46,6,132,63,143,129,203,129,161,1,204,143,
+230,64,114,224,115,35,250,88,28,200,24,64,24,0,254,158,7,50,6,16,6,2,63,
+173,1,204,129,161,15,235,224,115,32,97,0,104,67,252,88,29,40,24,64,24,0,
+255,30,7,74,6,16,6,2,63,201,1,208,129,137,143,243,64,116,160,104,67,252,
+248,29,40,24,64,26,16,255,148,63,244,7,50,63,231,1,212,129,204,143,250,64,
+113,224,115,35,254,208,29,72,26,16,255,190,7,82,6,132,7,50,63,249,1,212,
+129,204,253,128,64,8,192,8,223,96,48,2,48,2,79,216,20,0,140,0,153,246,7,
+128,35,0,35,0,36,253,130,96,8,192,8,192,9,159,96,176,2,152,2,167,216,52,0,
+166,0,169,246,39,2,162,2,163,125,138,64,168,128,166,191,98,176,42,32,41,
+223,216,180,10,156,10,141,246,47,2,162,2,158,128,
};
-const duk_uint8_t duk_unicode_caseconv_lc[616] = {
-144,3,0,3,128,184,6,192,7,192,112,24,144,37,96,64,54,32,81,64,128,226,0,
+const duk_uint8_t duk_unicode_caseconv_lc[680] = {
+152,3,0,3,128,184,6,192,7,192,112,24,144,37,96,64,54,32,81,64,128,226,0,
235,65,129,199,1,230,130,3,145,3,177,34,7,70,7,134,36,15,244,13,236,24,32,
-0,34,129,0,65,0,67,4,0,166,32,172,41,132,40,11,64,19,15,132,15,128,8,31,24,
-31,16,12,62,80,62,64,32,124,224,124,192,64,250,64,250,0,97,246,129,246,1,3,
-241,3,240,2,7,230,7,228,4,15,212,15,208,8,31,184,31,176,4,63,116,62,224,8,
-127,32,125,200,32,254,192,254,128,33,253,161,247,96,67,253,3,252,0,135,250,
-135,222,129,15,252,15,188,2,31,250,31,124,4,66,192,66,224,64,146,216,147,
-64,209,96,1,97,130,242,199,224,35,240,95,228,63,232,38,161,1,0,1,1,48,2,
-100,2,102,12,4,228,4,232,64,10,80,10,89,112,23,144,23,160,96,48,64,48,96,
-128,104,0,104,65,128,217,128,218,2,1,203,1,204,18,3,188,3,190,36,7,200,7,
-204,16,15,192,15,201,64,34,32,34,49,32,72,192,72,225,64,220,0,220,65,1,236,
-1,236,140,4,96,4,97,34,9,20,9,22,108,19,4,19,8,56,38,128,38,138,193,224,1,
-224,25,99,212,3,212,44,7,214,71,212,66,22,51,150,52,3,44,128,44,129,100,89,
-214,89,216,10,153,2,153,4,189,52,5,52,8,202,114,42,114,48,244,230,84,230,
-103,233,222,105,222,129,83,191,83,191,133,167,160,167,161,10,48,13,48,20,0,
-32,26,192,26,208,64,56,128,56,192,192,113,64,113,129,1,251,129,252,2,44,
-114,44,115,4,16,12,56,12,64,32,27,128,27,144,64,211,197,211,198,2,8,6,88,9,
-164,16,17,216,17,224,47,245,1,120,0,255,1,129,2,83,1,134,2,84,1,142,1,221,
-1,143,2,89,1,144,2,91,1,145,1,146,1,147,2,96,1,148,2,99,1,151,2,104,1,152,
-1,153,1,157,2,114,1,159,2,117,1,167,1,168,1,174,2,136,1,183,2,146,1,241,1,
-243,1,246,1,149,1,247,1,191,2,32,1,158,2,58,44,101,2,61,1,154,2,62,44,102,
-2,67,1,128,2,68,2,137,2,69,2,140,3,118,3,119,3,134,3,172,3,140,3,204,3,207,
-3,215,3,244,3,184,3,249,3,242,4,192,4,207,30,158,0,223,31,188,31,179,31,
-204,31,195,31,236,31,229,31,252,31,243,33,38,3,201,33,42,0,107,33,43,0,229,
-33,50,33,78,33,131,33,132,44,96,44,97,44,98,2,107,44,99,29,125,44,100,2,
-125,44,109,2,81,44,110,2,113,44,111,2,80,44,112,2,82,167,125,29,121,167,
-141,2,101,2,2,97,0,52,129,131,128,
+0,34,129,0,65,0,67,4,0,166,32,172,41,132,40,11,64,19,9,208,85,184,80,19,
+240,19,248,12,62,16,62,0,32,124,96,124,64,48,249,64,249,0,129,243,129,243,
+1,3,233,3,232,1,135,218,7,216,4,15,196,15,192,8,31,152,31,144,16,63,80,63,
+64,32,126,224,126,192,16,253,208,251,128,33,252,129,247,32,131,251,3,250,0,
+135,246,135,221,129,15,244,15,240,2,31,234,31,122,4,63,240,62,240,8,127,
+232,125,240,17,11,1,11,129,2,75,98,77,3,69,128,5,134,11,203,31,128,143,193,
+127,144,255,160,154,140,4,0,4,4,192,9,144,9,152,48,19,144,19,161,0,41,64,
+41,101,192,94,64,94,129,128,193,0,193,130,1,160,1,161,6,3,102,3,104,8,7,44,
+7,48,72,14,240,14,248,144,31,32,31,48,64,63,0,63,37,0,136,128,136,196,129,
+35,1,35,133,3,112,3,113,4,7,176,7,178,48,17,128,17,132,136,36,80,36,89,176,
+76,16,76,32,224,154,0,154,44,7,128,7,128,101,143,80,15,80,176,31,89,31,81,
+8,88,206,88,208,12,178,0,178,5,145,103,89,103,96,42,100,10,100,18,244,208,
+20,208,35,169,200,169,200,195,211,153,83,153,159,167,121,167,122,5,78,253,
+78,254,22,158,66,158,68,21,60,181,60,184,170,123,74,123,80,67,0,211,1,64,2,
+1,172,1,173,4,3,136,3,140,12,7,20,7,24,16,31,184,31,192,34,199,34,199,48,
+65,128,195,128,196,2,1,184,1,185,5,79,84,4,204,8,0,192,101,128,154,65,1,29,
+129,30,2,16,199,45,39,5,251,240,23,128,15,240,24,16,37,48,24,96,37,64,24,
+224,29,208,24,240,37,144,25,0,37,176,25,16,25,32,25,48,38,0,25,64,38,48,25,
+112,38,128,25,128,25,144,25,208,39,32,25,240,39,80,26,112,26,128,26,224,40,
+128,27,112,41,32,31,16,31,48,31,96,25,80,31,112,27,240,34,0,25,224,35,162,
+198,80,35,208,25,160,35,226,198,96,36,48,24,0,36,64,40,144,36,80,40,192,55,
+96,55,112,55,240,63,48,56,96,58,192,56,192,60,192,60,240,61,112,63,64,59,
+128,63,144,63,32,76,0,76,241,233,224,13,241,251,193,251,49,252,193,252,49,
+254,193,254,81,255,193,255,50,18,96,60,146,18,160,6,178,18,176,14,82,19,34,
+20,226,24,50,24,66,198,2,198,18,198,32,38,178,198,49,215,210,198,64,39,210,
+198,208,37,18,198,224,39,18,198,240,37,2,199,0,37,34,207,34,207,58,119,209,
+215,154,120,186,120,202,120,208,38,90,122,176,37,202,122,192,38,26,122,208,
+38,202,123,0,41,234,123,16,40,122,123,32,41,218,123,58,181,48,32,38,16,3,
+72,24,56,
};
#if defined(DUK_USE_REGEXP_CANON_WORKAROUND)
@@ -80358,5817 +84827,5813 @@ const duk_uint16_t duk_unicode_re_canon_lookup[65536] = {
540,540,542,542,544,545,546,546,548,548,550,550,552,552,554,554,556,556,
558,558,560,560,562,562,564,565,566,567,568,569,570,571,571,573,574,11390,
11391,577,577,579,580,581,582,582,584,584,586,586,588,588,590,590,11375,
-11373,11376,385,390,597,393,394,600,399,602,400,604,605,606,607,403,609,
-610,404,612,42893L,614,615,407,406,618,11362,620,621,622,412,624,11374,413,
-627,628,415,630,631,632,633,634,635,636,11364,638,639,422,641,642,425,644,
-645,646,647,430,580,433,434,581,653,654,655,656,657,439,659,660,661,662,
-663,664,665,666,667,668,669,670,671,672,673,674,675,676,677,678,679,680,
-681,682,683,684,685,686,687,688,689,690,691,692,693,694,695,696,697,698,
-699,700,701,702,703,704,705,706,707,708,709,710,711,712,713,714,715,716,
-717,718,719,720,721,722,723,724,725,726,727,728,729,730,731,732,733,734,
-735,736,737,738,739,740,741,742,743,744,745,746,747,748,749,750,751,752,
-753,754,755,756,757,758,759,760,761,762,763,764,765,766,767,768,769,770,
-771,772,773,774,775,776,777,778,779,780,781,782,783,784,785,786,787,788,
-789,790,791,792,793,794,795,796,797,798,799,800,801,802,803,804,805,806,
-807,808,809,810,811,812,813,814,815,816,817,818,819,820,821,822,823,824,
-825,826,827,828,829,830,831,832,833,834,835,836,921,838,839,840,841,842,
-843,844,845,846,847,848,849,850,851,852,853,854,855,856,857,858,859,860,
-861,862,863,864,865,866,867,868,869,870,871,872,873,874,875,876,877,878,
-879,880,880,882,882,884,885,886,886,888,889,890,1021,1022,1023,894,895,896,
-897,898,899,900,901,902,903,904,905,906,907,908,909,910,911,912,913,914,
-915,916,917,918,919,920,921,922,923,924,925,926,927,928,929,930,931,932,
-933,934,935,936,937,938,939,902,904,905,906,944,913,914,915,916,917,918,
-919,920,921,922,923,924,925,926,927,928,929,931,931,932,933,934,935,936,
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-18890,18891,18892,18893,18894,18895,18896,18897,18898,18899,18900,18901,
-18902,18903,18904,18905,18906,18907,18908,18909,18910,18911,18912,18913,
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-18950,18951,18952,18953,18954,18955,18956,18957,18958,18959,18960,18961,
-18962,18963,18964,18965,18966,18967,18968,18969,18970,18971,18972,18973,
-18974,18975,18976,18977,18978,18979,18980,18981,18982,18983,18984,18985,
-18986,18987,18988,18989,18990,18991,18992,18993,18994,18995,18996,18997,
-18998,18999,19000,19001,19002,19003,19004,19005,19006,19007,19008,19009,
-19010,19011,19012,19013,19014,19015,19016,19017,19018,19019,19020,19021,
-19022,19023,19024,19025,19026,19027,19028,19029,19030,19031,19032,19033,
-19034,19035,19036,19037,19038,19039,19040,19041,19042,19043,19044,19045,
-19046,19047,19048,19049,19050,19051,19052,19053,19054,19055,19056,19057,
-19058,19059,19060,19061,19062,19063,19064,19065,19066,19067,19068,19069,
-19070,19071,19072,19073,19074,19075,19076,19077,19078,19079,19080,19081,
-19082,19083,19084,19085,19086,19087,19088,19089,19090,19091,19092,19093,
-19094,19095,19096,19097,19098,19099,19100,19101,19102,19103,19104,19105,
-19106,19107,19108,19109,19110,19111,19112,19113,19114,19115,19116,19117,
-19118,19119,19120,19121,19122,19123,19124,19125,19126,19127,19128,19129,
-19130,19131,19132,19133,19134,19135,19136,19137,19138,19139,19140,19141,
-19142,19143,19144,19145,19146,19147,19148,19149,19150,19151,19152,19153,
-19154,19155,19156,19157,19158,19159,19160,19161,19162,19163,19164,19165,
-19166,19167,19168,19169,19170,19171,19172,19173,19174,19175,19176,19177,
-19178,19179,19180,19181,19182,19183,19184,19185,19186,19187,19188,19189,
-19190,19191,19192,19193,19194,19195,19196,19197,19198,19199,19200,19201,
-19202,19203,19204,19205,19206,19207,19208,19209,19210,19211,19212,19213,
-19214,19215,19216,19217,19218,19219,19220,19221,19222,19223,19224,19225,
-19226,19227,19228,19229,19230,19231,19232,19233,19234,19235,19236,19237,
-19238,19239,19240,19241,19242,19243,19244,19245,19246,19247,19248,19249,
-19250,19251,19252,19253,19254,19255,19256,19257,19258,19259,19260,19261,
-19262,19263,19264,19265,19266,19267,19268,19269,19270,19271,19272,19273,
-19274,19275,19276,19277,19278,19279,19280,19281,19282,19283,19284,19285,
-19286,19287,19288,19289,19290,19291,19292,19293,19294,19295,19296,19297,
-19298,19299,19300,19301,19302,19303,19304,19305,19306,19307,19308,19309,
-19310,19311,19312,19313,19314,19315,19316,19317,19318,19319,19320,19321,
-19322,19323,19324,19325,19326,19327,19328,19329,19330,19331,19332,19333,
-19334,19335,19336,19337,19338,19339,19340,19341,19342,19343,19344,19345,
-19346,19347,19348,19349,19350,19351,19352,19353,19354,19355,19356,19357,
-19358,19359,19360,19361,19362,19363,19364,19365,19366,19367,19368,19369,
-19370,19371,19372,19373,19374,19375,19376,19377,19378,19379,19380,19381,
-19382,19383,19384,19385,19386,19387,19388,19389,19390,19391,19392,19393,
-19394,19395,19396,19397,19398,19399,19400,19401,19402,19403,19404,19405,
-19406,19407,19408,19409,19410,19411,19412,19413,19414,19415,19416,19417,
-19418,19419,19420,19421,19422,19423,19424,19425,19426,19427,19428,19429,
-19430,19431,19432,19433,19434,19435,19436,19437,19438,19439,19440,19441,
-19442,19443,19444,19445,19446,19447,19448,19449,19450,19451,19452,19453,
-19454,19455,19456,19457,19458,19459,19460,19461,19462,19463,19464,19465,
-19466,19467,19468,19469,19470,19471,19472,19473,19474,19475,19476,19477,
-19478,19479,19480,19481,19482,19483,19484,19485,19486,19487,19488,19489,
-19490,19491,19492,19493,19494,19495,19496,19497,19498,19499,19500,19501,
-19502,19503,19504,19505,19506,19507,19508,19509,19510,19511,19512,19513,
-19514,19515,19516,19517,19518,19519,19520,19521,19522,19523,19524,19525,
-19526,19527,19528,19529,19530,19531,19532,19533,19534,19535,19536,19537,
-19538,19539,19540,19541,19542,19543,19544,19545,19546,19547,19548,19549,
-19550,19551,19552,19553,19554,19555,19556,19557,19558,19559,19560,19561,
-19562,19563,19564,19565,19566,19567,19568,19569,19570,19571,19572,19573,
-19574,19575,19576,19577,19578,19579,19580,19581,19582,19583,19584,19585,
-19586,19587,19588,19589,19590,19591,19592,19593,19594,19595,19596,19597,
-19598,19599,19600,19601,19602,19603,19604,19605,19606,19607,19608,19609,
-19610,19611,19612,19613,19614,19615,19616,19617,19618,19619,19620,19621,
-19622,19623,19624,19625,19626,19627,19628,19629,19630,19631,19632,19633,
-19634,19635,19636,19637,19638,19639,19640,19641,19642,19643,19644,19645,
-19646,19647,19648,19649,19650,19651,19652,19653,19654,19655,19656,19657,
-19658,19659,19660,19661,19662,19663,19664,19665,19666,19667,19668,19669,
-19670,19671,19672,19673,19674,19675,19676,19677,19678,19679,19680,19681,
-19682,19683,19684,19685,19686,19687,19688,19689,19690,19691,19692,19693,
-19694,19695,19696,19697,19698,19699,19700,19701,19702,19703,19704,19705,
-19706,19707,19708,19709,19710,19711,19712,19713,19714,19715,19716,19717,
-19718,19719,19720,19721,19722,19723,19724,19725,19726,19727,19728,19729,
-19730,19731,19732,19733,19734,19735,19736,19737,19738,19739,19740,19741,
-19742,19743,19744,19745,19746,19747,19748,19749,19750,19751,19752,19753,
-19754,19755,19756,19757,19758,19759,19760,19761,19762,19763,19764,19765,
-19766,19767,19768,19769,19770,19771,19772,19773,19774,19775,19776,19777,
-19778,19779,19780,19781,19782,19783,19784,19785,19786,19787,19788,19789,
-19790,19791,19792,19793,19794,19795,19796,19797,19798,19799,19800,19801,
-19802,19803,19804,19805,19806,19807,19808,19809,19810,19811,19812,19813,
-19814,19815,19816,19817,19818,19819,19820,19821,19822,19823,19824,19825,
-19826,19827,19828,19829,19830,19831,19832,19833,19834,19835,19836,19837,
-19838,19839,19840,19841,19842,19843,19844,19845,19846,19847,19848,19849,
-19850,19851,19852,19853,19854,19855,19856,19857,19858,19859,19860,19861,
-19862,19863,19864,19865,19866,19867,19868,19869,19870,19871,19872,19873,
-19874,19875,19876,19877,19878,19879,19880,19881,19882,19883,19884,19885,
-19886,19887,19888,19889,19890,19891,19892,19893,19894,19895,19896,19897,
-19898,19899,19900,19901,19902,19903,19904,19905,19906,19907,19908,19909,
-19910,19911,19912,19913,19914,19915,19916,19917,19918,19919,19920,19921,
-19922,19923,19924,19925,19926,19927,19928,19929,19930,19931,19932,19933,
-19934,19935,19936,19937,19938,19939,19940,19941,19942,19943,19944,19945,
-19946,19947,19948,19949,19950,19951,19952,19953,19954,19955,19956,19957,
-19958,19959,19960,19961,19962,19963,19964,19965,19966,19967,19968,19969,
-19970,19971,19972,19973,19974,19975,19976,19977,19978,19979,19980,19981,
-19982,19983,19984,19985,19986,19987,19988,19989,19990,19991,19992,19993,
-19994,19995,19996,19997,19998,19999,20000,20001,20002,20003,20004,20005,
-20006,20007,20008,20009,20010,20011,20012,20013,20014,20015,20016,20017,
-20018,20019,20020,20021,20022,20023,20024,20025,20026,20027,20028,20029,
-20030,20031,20032,20033,20034,20035,20036,20037,20038,20039,20040,20041,
-20042,20043,20044,20045,20046,20047,20048,20049,20050,20051,20052,20053,
-20054,20055,20056,20057,20058,20059,20060,20061,20062,20063,20064,20065,
-20066,20067,20068,20069,20070,20071,20072,20073,20074,20075,20076,20077,
-20078,20079,20080,20081,20082,20083,20084,20085,20086,20087,20088,20089,
-20090,20091,20092,20093,20094,20095,20096,20097,20098,20099,20100,20101,
-20102,20103,20104,20105,20106,20107,20108,20109,20110,20111,20112,20113,
-20114,20115,20116,20117,20118,20119,20120,20121,20122,20123,20124,20125,
-20126,20127,20128,20129,20130,20131,20132,20133,20134,20135,20136,20137,
-20138,20139,20140,20141,20142,20143,20144,20145,20146,20147,20148,20149,
-20150,20151,20152,20153,20154,20155,20156,20157,20158,20159,20160,20161,
-20162,20163,20164,20165,20166,20167,20168,20169,20170,20171,20172,20173,
-20174,20175,20176,20177,20178,20179,20180,20181,20182,20183,20184,20185,
-20186,20187,20188,20189,20190,20191,20192,20193,20194,20195,20196,20197,
-20198,20199,20200,20201,20202,20203,20204,20205,20206,20207,20208,20209,
-20210,20211,20212,20213,20214,20215,20216,20217,20218,20219,20220,20221,
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-20258,20259,20260,20261,20262,20263,20264,20265,20266,20267,20268,20269,
-20270,20271,20272,20273,20274,20275,20276,20277,20278,20279,20280,20281,
-20282,20283,20284,20285,20286,20287,20288,20289,20290,20291,20292,20293,
-20294,20295,20296,20297,20298,20299,20300,20301,20302,20303,20304,20305,
-20306,20307,20308,20309,20310,20311,20312,20313,20314,20315,20316,20317,
-20318,20319,20320,20321,20322,20323,20324,20325,20326,20327,20328,20329,
-20330,20331,20332,20333,20334,20335,20336,20337,20338,20339,20340,20341,
-20342,20343,20344,20345,20346,20347,20348,20349,20350,20351,20352,20353,
-20354,20355,20356,20357,20358,20359,20360,20361,20362,20363,20364,20365,
-20366,20367,20368,20369,20370,20371,20372,20373,20374,20375,20376,20377,
-20378,20379,20380,20381,20382,20383,20384,20385,20386,20387,20388,20389,
-20390,20391,20392,20393,20394,20395,20396,20397,20398,20399,20400,20401,
-20402,20403,20404,20405,20406,20407,20408,20409,20410,20411,20412,20413,
-20414,20415,20416,20417,20418,20419,20420,20421,20422,20423,20424,20425,
-20426,20427,20428,20429,20430,20431,20432,20433,20434,20435,20436,20437,
-20438,20439,20440,20441,20442,20443,20444,20445,20446,20447,20448,20449,
-20450,20451,20452,20453,20454,20455,20456,20457,20458,20459,20460,20461,
-20462,20463,20464,20465,20466,20467,20468,20469,20470,20471,20472,20473,
-20474,20475,20476,20477,20478,20479,20480,20481,20482,20483,20484,20485,
-20486,20487,20488,20489,20490,20491,20492,20493,20494,20495,20496,20497,
-20498,20499,20500,20501,20502,20503,20504,20505,20506,20507,20508,20509,
-20510,20511,20512,20513,20514,20515,20516,20517,20518,20519,20520,20521,
-20522,20523,20524,20525,20526,20527,20528,20529,20530,20531,20532,20533,
-20534,20535,20536,20537,20538,20539,20540,20541,20542,20543,20544,20545,
-20546,20547,20548,20549,20550,20551,20552,20553,20554,20555,20556,20557,
-20558,20559,20560,20561,20562,20563,20564,20565,20566,20567,20568,20569,
-20570,20571,20572,20573,20574,20575,20576,20577,20578,20579,20580,20581,
-20582,20583,20584,20585,20586,20587,20588,20589,20590,20591,20592,20593,
-20594,20595,20596,20597,20598,20599,20600,20601,20602,20603,20604,20605,
-20606,20607,20608,20609,20610,20611,20612,20613,20614,20615,20616,20617,
-20618,20619,20620,20621,20622,20623,20624,20625,20626,20627,20628,20629,
-20630,20631,20632,20633,20634,20635,20636,20637,20638,20639,20640,20641,
-20642,20643,20644,20645,20646,20647,20648,20649,20650,20651,20652,20653,
-20654,20655,20656,20657,20658,20659,20660,20661,20662,20663,20664,20665,
-20666,20667,20668,20669,20670,20671,20672,20673,20674,20675,20676,20677,
-20678,20679,20680,20681,20682,20683,20684,20685,20686,20687,20688,20689,
-20690,20691,20692,20693,20694,20695,20696,20697,20698,20699,20700,20701,
-20702,20703,20704,20705,20706,20707,20708,20709,20710,20711,20712,20713,
-20714,20715,20716,20717,20718,20719,20720,20721,20722,20723,20724,20725,
-20726,20727,20728,20729,20730,20731,20732,20733,20734,20735,20736,20737,
-20738,20739,20740,20741,20742,20743,20744,20745,20746,20747,20748,20749,
-20750,20751,20752,20753,20754,20755,20756,20757,20758,20759,20760,20761,
-20762,20763,20764,20765,20766,20767,20768,20769,20770,20771,20772,20773,
-20774,20775,20776,20777,20778,20779,20780,20781,20782,20783,20784,20785,
-20786,20787,20788,20789,20790,20791,20792,20793,20794,20795,20796,20797,
-20798,20799,20800,20801,20802,20803,20804,20805,20806,20807,20808,20809,
-20810,20811,20812,20813,20814,20815,20816,20817,20818,20819,20820,20821,
-20822,20823,20824,20825,20826,20827,20828,20829,20830,20831,20832,20833,
-20834,20835,20836,20837,20838,20839,20840,20841,20842,20843,20844,20845,
-20846,20847,20848,20849,20850,20851,20852,20853,20854,20855,20856,20857,
-20858,20859,20860,20861,20862,20863,20864,20865,20866,20867,20868,20869,
-20870,20871,20872,20873,20874,20875,20876,20877,20878,20879,20880,20881,
-20882,20883,20884,20885,20886,20887,20888,20889,20890,20891,20892,20893,
-20894,20895,20896,20897,20898,20899,20900,20901,20902,20903,20904,20905,
-20906,20907,20908,20909,20910,20911,20912,20913,20914,20915,20916,20917,
-20918,20919,20920,20921,20922,20923,20924,20925,20926,20927,20928,20929,
-20930,20931,20932,20933,20934,20935,20936,20937,20938,20939,20940,20941,
-20942,20943,20944,20945,20946,20947,20948,20949,20950,20951,20952,20953,
-20954,20955,20956,20957,20958,20959,20960,20961,20962,20963,20964,20965,
-20966,20967,20968,20969,20970,20971,20972,20973,20974,20975,20976,20977,
-20978,20979,20980,20981,20982,20983,20984,20985,20986,20987,20988,20989,
-20990,20991,20992,20993,20994,20995,20996,20997,20998,20999,21000,21001,
-21002,21003,21004,21005,21006,21007,21008,21009,21010,21011,21012,21013,
-21014,21015,21016,21017,21018,21019,21020,21021,21022,21023,21024,21025,
-21026,21027,21028,21029,21030,21031,21032,21033,21034,21035,21036,21037,
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+65528L,65529L,65530L,65531L,65532L,65533L,65534L,65535L,
};
#endif
-#line 1 "duk_util_bitdecoder.c"
/*
* Bitstream decoder.
*/
-/* include removed: duk_internal.h */
+/* #include duk_internal.h -> already included */
/* Decode 'bits' bits from the input stream (bits must be 1...24).
* When reading past bitstream end, zeroes are shifted in. The result
* is signed to match duk_bd_decode_flagged.
*/
-DUK_INTERNAL duk_int32_t duk_bd_decode(duk_bitdecoder_ctx *ctx, duk_small_int_t bits) {
+DUK_INTERNAL duk_uint32_t duk_bd_decode(duk_bitdecoder_ctx *ctx, duk_small_int_t bits) {
duk_small_int_t shift;
duk_uint32_t mask;
duk_uint32_t tmp;
@@ -86213,27 +90678,118 @@ DUK_INTERNAL duk_int32_t duk_bd_decode(duk_bitdecoder_ctx *ctx, duk_small_int_t
return tmp;
}
-DUK_INTERNAL duk_small_int_t duk_bd_decode_flag(duk_bitdecoder_ctx *ctx) {
- return (duk_small_int_t) duk_bd_decode(ctx, 1);
+DUK_INTERNAL duk_small_uint_t duk_bd_decode_flag(duk_bitdecoder_ctx *ctx) {
+ return (duk_small_uint_t) duk_bd_decode(ctx, 1);
}
/* Decode a one-bit flag, and if set, decode a value of 'bits', otherwise return
* default value. Return value is signed so that negative marker value can be
* used by caller as a "not present" value.
*/
-DUK_INTERNAL duk_int32_t duk_bd_decode_flagged(duk_bitdecoder_ctx *ctx, duk_small_int_t bits, duk_int32_t def_value) {
+DUK_INTERNAL duk_uint32_t duk_bd_decode_flagged(duk_bitdecoder_ctx *ctx, duk_small_int_t bits, duk_uint32_t def_value) {
if (duk_bd_decode_flag(ctx)) {
- return (duk_int32_t) duk_bd_decode(ctx, bits);
+ return duk_bd_decode(ctx, bits);
} else {
return def_value;
}
}
-#line 1 "duk_util_bitencoder.c"
+
+/* Shared varint encoding. Match dukutil.py BitEncode.varuint(). */
+DUK_INTERNAL duk_uint32_t duk_bd_decode_varuint(duk_bitdecoder_ctx *ctx) {
+ duk_small_uint_t t;
+
+ /* The bit encoding choices here are based on manual testing against
+ * the actual varuints generated by genbuiltins.py.
+ */
+ switch (duk_bd_decode(ctx, 2)) {
+ case 0:
+ return 0; /* [0,0] */
+ case 1:
+ return duk_bd_decode(ctx, 2) + 1; /* [1,4] */
+ case 2:
+ return duk_bd_decode(ctx, 5) + 5; /* [5,36] */
+ default:
+ t = duk_bd_decode(ctx, 7);
+ if (t == 0) {
+ return duk_bd_decode(ctx, 20);
+ }
+ return (t - 1) + 37; /* [37,163] */
+ }
+}
+
+/* Decode a bit packed string from a custom format used by genbuiltins.py.
+ * This function is here because it's used for both heap and thread inits.
+ * Caller must supply the output buffer whose size is NOT checked!
+ */
+
+#define DUK__BITPACK_LETTER_LIMIT 26
+#define DUK__BITPACK_LOOKUP1 26
+#define DUK__BITPACK_LOOKUP2 27
+#define DUK__BITPACK_SWITCH1 28
+#define DUK__BITPACK_SWITCH 29
+#define DUK__BITPACK_UNUSED1 30
+#define DUK__BITPACK_EIGHTBIT 31
+
+DUK_LOCAL const duk_uint8_t duk__bitpacked_lookup[16] = {
+ DUK_ASC_0, DUK_ASC_1, DUK_ASC_2, DUK_ASC_3,
+ DUK_ASC_4, DUK_ASC_5, DUK_ASC_6, DUK_ASC_7,
+ DUK_ASC_8, DUK_ASC_9, DUK_ASC_UNDERSCORE, DUK_ASC_SPACE,
+ 0xff, 0x80, DUK_ASC_DOUBLEQUOTE, DUK_ASC_LCURLY
+};
+
+DUK_INTERNAL duk_small_uint_t duk_bd_decode_bitpacked_string(duk_bitdecoder_ctx *bd, duk_uint8_t *out) {
+ duk_small_uint_t len;
+ duk_small_uint_t mode;
+ duk_small_uint_t t;
+ duk_small_uint_t i;
+
+ len = duk_bd_decode(bd, 5);
+ if (len == 31) {
+ len = duk_bd_decode(bd, 8); /* Support up to 256 bytes; rare. */
+ }
+
+ mode = 32; /* 0 = uppercase, 32 = lowercase (= 'a' - 'A') */
+ for (i = 0; i < len; i++) {
+ t = duk_bd_decode(bd, 5);
+ if (t < DUK__BITPACK_LETTER_LIMIT) {
+ t = t + DUK_ASC_UC_A + mode;
+ } else if (t == DUK__BITPACK_LOOKUP1) {
+ t = duk__bitpacked_lookup[duk_bd_decode(bd, 3)];
+ } else if (t == DUK__BITPACK_LOOKUP2) {
+ t = duk__bitpacked_lookup[8 + duk_bd_decode(bd, 3)];
+ } else if (t == DUK__BITPACK_SWITCH1) {
+ t = duk_bd_decode(bd, 5);
+ DUK_ASSERT_DISABLE(t >= 0); /* unsigned */
+ DUK_ASSERT(t <= 25);
+ t = t + DUK_ASC_UC_A + (mode ^ 32);
+ } else if (t == DUK__BITPACK_SWITCH) {
+ mode = mode ^ 32;
+ t = duk_bd_decode(bd, 5);
+ DUK_ASSERT_DISABLE(t >= 0);
+ DUK_ASSERT(t <= 25);
+ t = t + DUK_ASC_UC_A + mode;
+ } else if (t == DUK__BITPACK_EIGHTBIT) {
+ t = duk_bd_decode(bd, 8);
+ }
+ out[i] = (duk_uint8_t) t;
+ }
+
+ return len;
+}
+
+/* automatic undefs */
+#undef DUK__BITPACK_EIGHTBIT
+#undef DUK__BITPACK_LETTER_LIMIT
+#undef DUK__BITPACK_LOOKUP1
+#undef DUK__BITPACK_LOOKUP2
+#undef DUK__BITPACK_SWITCH
+#undef DUK__BITPACK_SWITCH1
+#undef DUK__BITPACK_UNUSED1
/*
* Bitstream encoder.
*/
-/* include removed: duk_internal.h */
+/* #include duk_internal.h -> already included */
DUK_INTERNAL void duk_be_encode(duk_bitencoder_ctx *ctx, duk_uint32_t data, duk_small_int_t bits) {
duk_uint8_t tmp;
@@ -86272,12 +90828,11 @@ DUK_INTERNAL void duk_be_finish(duk_bitencoder_ctx *ctx) {
}
DUK_ASSERT(ctx->currbits == 0);
}
-#line 1 "duk_util_bufwriter.c"
/*
* Fast buffer writer with spare management.
*/
-/* include removed: duk_internal.h */
+/* #include duk_internal.h -> already included */
/*
* Macro support functions (use only macros in calling code)
@@ -86316,7 +90871,7 @@ DUK_INTERNAL void duk_bw_init_pushbuf(duk_hthread *thr, duk_bufwriter_ctx *bw_ct
ctx = (duk_context *) thr;
(void) duk_push_dynamic_buffer(ctx, buf_size);
- bw_ctx->buf = (duk_hbuffer_dynamic *) duk_get_hbuffer(ctx, -1);
+ bw_ctx->buf = (duk_hbuffer_dynamic *) duk_known_hbuffer(ctx, -1);
duk__bw_update_ptrs(thr, bw_ctx, 0, buf_size);
}
@@ -86633,7 +91188,6 @@ DUK_INTERNAL DUK_ALWAYS_INLINE void duk_raw_write_double_be(duk_uint8_t **p, duk
DUK_MEMCPY((void *) (*p + 4), (const void *) u.b, (size_t) 4);
*p += 8;
}
-#line 1 "duk_util_hashbytes.c"
/*
* Hash function duk_util_hashbytes().
*
@@ -86643,7 +91197,7 @@ DUK_INTERNAL DUK_ALWAYS_INLINE void duk_raw_write_double_be(duk_uint8_t **p, duk
* dependent, for instance.
*/
-/* include removed: duk_internal.h */
+/* #include duk_internal.h -> already included */
#if defined(DUK_USE_STRHASH_DENSE)
/* 'magic' constants for Murmurhash2 */
@@ -86659,7 +91213,7 @@ DUK_INTERNAL duk_uint32_t duk_util_hashbytes(const duk_uint8_t *data, duk_size_t
* endian access even on big endian architectures, which is
* OK as long as it is consistent for a build.
*/
-#ifdef DUK_USE_HASHBYTES_UNALIGNED_U32_ACCESS
+#if defined(DUK_USE_HASHBYTES_UNALIGNED_U32_ACCESS)
duk_uint32_t k = *((const duk_uint32_t *) (const void *) data);
#else
duk_uint32_t k = ((duk_uint32_t) data[0]) |
@@ -86691,40 +91245,42 @@ DUK_INTERNAL duk_uint32_t duk_util_hashbytes(const duk_uint8_t *data, duk_size_t
return h;
}
#endif /* DUK_USE_STRHASH_DENSE */
-#line 1 "duk_util_tinyrandom.c"
+
+/* automatic undefs */
+#undef DUK__MAGIC_M
+#undef DUK__MAGIC_R
/*
- * A tiny random number generator.
+ * A tiny random number generator used for Math.random() and other internals.
+ *
+ * Default algorithm is xoroshiro128+: http://xoroshiro.di.unimi.it/xoroshiro128plus.c
+ * with SplitMix64 seed preparation: http://xorshift.di.unimi.it/splitmix64.c.
*
- * Currently used for Math.random().
+ * Low memory targets and targets without 64-bit types use a slightly smaller
+ * (but slower) algorithm by Adi Shamir:
+ * http://www.woodmann.com/forum/archive/index.php/t-3100.html.
*
- * http://www.woodmann.com/forum/archive/index.php/t-3100.html
*/
-/* include removed: duk_internal.h */
+/* #include duk_internal.h -> already included */
+
+#if !defined(DUK_USE_GET_RANDOM_DOUBLE)
+
+#if defined(DUK_USE_PREFER_SIZE) || !defined(DUK_USE_64BIT_OPS)
+#define DUK__RANDOM_SHAMIR3OP
+#else
+#define DUK__RANDOM_XOROSHIRO128PLUS
+#endif
+#if defined(DUK__RANDOM_SHAMIR3OP)
#define DUK__UPDATE_RND(rnd) do { \
- (rnd) += ((rnd) * (rnd)) | 0x05; \
- (rnd) = ((rnd) & 0xffffffffU); /* if duk_uint32_t is exactly 32 bits, this is a NOP */ \
+ (rnd) += ((rnd) * (rnd)) | 0x05UL; \
+ (rnd) = ((rnd) & 0xffffffffUL); /* if duk_uint32_t is exactly 32 bits, this is a NOP */ \
} while (0)
#define DUK__RND_BIT(rnd) ((rnd) >> 31) /* only use the highest bit */
-DUK_INTERNAL duk_uint32_t duk_util_tinyrandom_get_bits(duk_hthread *thr, duk_small_int_t n) {
- duk_small_int_t i;
- duk_uint32_t res = 0;
- duk_uint32_t rnd;
-
- rnd = thr->heap->rnd_state;
-
- for (i = 0; i < n; i++) {
- DUK__UPDATE_RND(rnd);
- res <<= 1;
- res += DUK__RND_BIT(rnd);
- }
-
- thr->heap->rnd_state = rnd;
-
- return res;
+DUK_INTERNAL void duk_util_tinyrandom_prepare_seed(duk_hthread *thr) {
+ DUK_UNREF(thr); /* Nothing now. */
}
DUK_INTERNAL duk_double_t duk_util_tinyrandom_get_double(duk_hthread *thr) {
@@ -86732,11 +91288,6 @@ DUK_INTERNAL duk_double_t duk_util_tinyrandom_get_double(duk_hthread *thr) {
duk_small_int_t n;
duk_uint32_t rnd;
- /*
- * XXX: could make this a lot faster if we create the double memory
- * representation directly. Feasible easily (must be uniform random).
- */
-
rnd = thr->heap->rnd_state;
n = 53; /* enough to cover the whole mantissa */
@@ -86755,4 +91306,77 @@ DUK_INTERNAL duk_double_t duk_util_tinyrandom_get_double(duk_hthread *thr) {
return t;
}
+#endif /* DUK__RANDOM_SHAMIR3OP */
+
+#if defined(DUK__RANDOM_XOROSHIRO128PLUS)
+DUK_LOCAL DUK_ALWAYS_INLINE duk_uint64_t duk__rnd_splitmix64(duk_uint64_t *x) {
+ duk_uint64_t z;
+ z = (*x += 0x9E3779B97F4A7C15ULL);
+ z = (z ^ (z >> 30U)) * 0xBF58476D1CE4E5B9ULL;
+ z = (z ^ (z >> 27U)) * 0x94D049BB133111EBULL;
+ return z ^ (z >> 31U);
+}
+
+DUK_LOCAL DUK_ALWAYS_INLINE duk_uint64_t duk__rnd_rotl(const duk_uint64_t x, duk_small_uint_t k) {
+ return (x << k) | (x >> (64U - k));
+}
+
+DUK_LOCAL DUK_ALWAYS_INLINE duk_uint64_t duk__xoroshiro128plus(duk_uint64_t *s) {
+ duk_uint64_t s0;
+ duk_uint64_t s1;
+ duk_uint64_t res;
+
+ s0 = s[0];
+ s1 = s[1];
+ res = s0 + s1;
+ s1 ^= s0;
+ s[0] = duk__rnd_rotl(s0, 55) ^ s1 ^ (s1 << 14U);
+ s[1] = duk__rnd_rotl(s1, 36);
+
+ return res;
+}
+
+DUK_INTERNAL void duk_util_tinyrandom_prepare_seed(duk_hthread *thr) {
+ duk_small_uint_t i;
+ duk_uint64_t x;
+
+ /* Mix both halves of the initial seed with SplitMix64. The intent
+ * is to ensure that very similar raw seeds (which is usually the case
+ * because current seed is Date.now()) result in different xoroshiro128+
+ * seeds.
+ */
+ x = thr->heap->rnd_state[0]; /* Only [0] is used as input here. */
+ for (i = 0; i < 64; i++) {
+ thr->heap->rnd_state[i & 0x01] = duk__rnd_splitmix64(&x); /* Keep last 2 values. */
+ }
+}
+
+DUK_INTERNAL duk_double_t duk_util_tinyrandom_get_double(duk_hthread *thr) {
+ duk_uint64_t v;
+ duk_double_union du;
+
+ /* For big and little endian the integer and IEEE double byte order
+ * is the same so a direct assignment works. For mixed endian the
+ * 32-bit parts must be swapped.
+ */
+ v = (0x3ffULL << 52U) | (duk__xoroshiro128plus((duk_uint64_t *) thr->heap->rnd_state) >> 12U);
+ du.ull[0] = v;
+#if defined(DUK_USE_DOUBLE_ME)
+ do {
+ duk_uint32_t tmp;
+ tmp = du.ui[0];
+ du.ui[0] = du.ui[1];
+ du.ui[1] = tmp;
+ } while (0);
#endif
+ return du.d - 1.0;
+}
+#endif /* DUK__RANDOM_XOROSHIRO128PLUS */
+
+#endif /* !DUK_USE_GET_RANDOM_DOUBLE */
+
+/* automatic undefs */
+#undef DUK__RANDOM_SHAMIR3OP
+#undef DUK__RANDOM_XOROSHIRO128PLUS
+#undef DUK__RND_BIT
+#undef DUK__UPDATE_RND