[regexp] Turn last match info into a simple FixedArray

src/js/macros.py

Index: src/js/macros.py
diff --git a/src/js/macros.py b/src/js/macros.py
index cdc3d0ae0c1a187ee9cb5b1ceaf55d4d23781843..5ad578a2bed959994018ac8a6507b7636cc05075 100644
--- a/src/js/macros.py
+++ b/src/js/macros.py
@@ -39,9 +39,6 @@ define kMaxSafeInteger = 9007199254740991;
 # 2^32 - 1
 define kMaxUint32 = 4294967295;
 
-# Native cache ids.
-define STRING_TO_REGEXP_CACHE_ID = 0;
-
 # Type query macros.
 #
 # Note: We have special support for typeof(foo) === 'bar' in the compiler.
@@ -117,36 +114,6 @@ define UNDEFINED = (void 0);
 # Macros implemented in Python.
 python macro CHAR_CODE(str) = ord(str[1]);
 
-# Layout of internal RegExpLastMatchInfo object.
-define REGEXP_NUMBER_OF_CAPTURES = 0;
-define REGEXP_LAST_SUBJECT = 1;
-define REGEXP_LAST_INPUT = 2;
-define REGEXP_FIRST_CAPTURE = 3;
-define CAPTURE0 = 3;  # Aliases REGEXP_FIRST_CAPTURE.
-define CAPTURE1 = 4;
-
-macro NUMBER_OF_CAPTURES(array) = ((array)[REGEXP_NUMBER_OF_CAPTURES]);
-macro LAST_SUBJECT(array) = ((array)[REGEXP_LAST_SUBJECT]);
-macro LAST_INPUT(array) = ((array)[REGEXP_LAST_INPUT]);
-macro CAPTURE(index) = (REGEXP_FIRST_CAPTURE + (index));
-
-# Macros for internal slot access.
-macro REGEXP_GLOBAL(regexp) = (%_RegExpFlags(regexp) & 1);
-macro REGEXP_IGNORE_CASE(regexp) = (%_RegExpFlags(regexp) & 2);
-macro REGEXP_MULTILINE(regexp) = (%_RegExpFlags(regexp) & 4);
-macro REGEXP_STICKY(regexp) = (%_RegExpFlags(regexp) & 8);
-macro REGEXP_UNICODE(regexp) = (%_RegExpFlags(regexp) & 16);
-macro REGEXP_SOURCE(regexp) = (%_RegExpSource(regexp));
-
-# For the regexp capture override array.  This has the same
-# format as the arguments to a function called from
-# String.prototype.replace.
-macro OVERRIDE_MATCH(override) = ((override)[0]);
-macro OVERRIDE_POS(override) = ((override)[(override).length - 2]);
-macro OVERRIDE_SUBJECT(override) = ((override)[(override).length - 1]);
-# 1-based so index of 1 returns the first capture
-macro OVERRIDE_CAPTURE(override, index) = ((override)[(index)]);
-
 # For messages.js
 # Matches Script::Type from objects.h
 define TYPE_NATIVE = 0;