Implement flag and source getters on RegExp.prototype.

src/js/macros.py

 # Copyright 2006-2009 the V8 project authors. All rights reserved.
 # Redistribution and use in source and binary forms, with or without
 # modification, are permitted provided that the following conditions are
 # met:
 #
 #     * Redistributions of source code must retain the above copyright
 #       notice, this list of conditions and the following disclaimer.
 #     * Redistributions in binary form must reproduce the above
 #       copyright notice, this list of conditions and the following
 #       disclaimer in the documentation and/or other materials provided
@@ skipping 163 matching lines @@
 define INFINITY = (1/0);
 define UNDEFINED = (void 0);
 
 # Macros implemented in Python.
 python macro CHAR_CODE(str) = ord(str[1]);
 
 # Constants used on an array to implement the properties of the RegExp object.
 define REGEXP_NUMBER_OF_CAPTURES = 0;
 define REGEXP_FIRST_CAPTURE = 3;
 
+# Macros for internal slot access.
+macro REGEXP_GLOBAL(regexp) = (regexp[regExpFlagsSymbol] & 1);
+macro REGEXP_IGNORE_CASE(regexp) = (regexp[regExpFlagsSymbol] & 2);
+macro REGEXP_MULTILINE(regexp) = (regexp[regExpFlagsSymbol] & 4);
+macro REGEXP_STICKY(regexp) = (regexp[regExpFlagsSymbol] & 8);
+macro REGEXP_UNICODE(regexp) = (regexp[regExpFlagsSymbol] & 16);
+macro REGEXP_SOURCE(regexp) = (regexp[regExpSourceSymbol]);
+
 # We can't put macros in macros so we use constants here.
 # REGEXP_NUMBER_OF_CAPTURES
 macro NUMBER_OF_CAPTURES(array) = ((array)[0]);
 
 # Limit according to ECMA 262 15.9.1.1
 define MAX_TIME_MS = 8640000000000000;
 # Limit which is MAX_TIME_MS + msPerMonth.
 define MAX_TIME_BEFORE_UTC = 8640002592000000;
 
 # Gets the value of a Date object. If arg is not a Date object
@@ skipping 111 matching lines @@
 define NOT_FOUND = -1;
 
 # Check whether debug is active.
 define DEBUG_IS_ACTIVE = (%_DebugIsActive() != 0);
 macro DEBUG_IS_STEPPING(function) = (%_DebugIsActive() != 0 && %DebugCallbackSupportsStepping(function));
 macro DEBUG_PREPARE_STEP_IN_IF_STEPPING(function) = if (%_DebugIsActive() != 0) %DebugPrepareStepInIfStepping(function);
 
 # SharedFlag equivalents
 define kNotShared = false;
 define kShared = true;