1 files changed, 14 insertions, 0 deletions
diff --git a/src/bytecode/bytecode.h b/src/bytecode/bytecode.h
index 92040b4..7c21d50 100644
--- a/src/bytecode/bytecode.h
+++ b/src/bytecode/bytecode.h
@@ -34,6 +34,14 @@ enum flag {
 	FLAG_UNSET     = (FLAG_VALUE_UNSET   << 1),
 };
 
+enum calc_opcodes {
+	CALC_PUSH_VALUE = 'V',
+	CALC_ADD        = '+',
+	CALC_SUBTRACT   = '-',
+	CALC_MULTIPLY   = '*',
+	CALC_DIVIDE     = '/',
+	CALC_FINISH     = '=',
+};
 
 typedef enum unit {
 	UNIT_LENGTH = (1u << 8),
@@ -128,6 +136,12 @@ static inline bool isInherit(css_code_t OPV)
 	return getFlagValue(OPV) == FLAG_VALUE_INHERIT;
 }
 
+static inline bool isCalc(css_code_t OPV)
+{
+	/* Note, this relies on all _CALC values being the same ultimately */
+	return getValue(OPV) == 0x7f;
+}
+
 #endif