Version 3.10.3

src/regexp.js

 // Copyright 2012 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 278 matching lines @@
   return result;
 }
 
 
 // Getters for the static properties lastMatch, lastParen, leftContext, and
 // rightContext of the RegExp constructor.  The properties are computed based
 // on the captures array of the last successful match and the subject string
 // of the last successful match.
 function RegExpGetLastMatch() {
   if (lastMatchInfoOverride !== null) {
-    return lastMatchInfoOverride[0];
+    return OVERRIDE_MATCH(lastMatchInfoOverride);
   }
   var regExpSubject = LAST_SUBJECT(lastMatchInfo);
   return SubString(regExpSubject,
                    lastMatchInfo[CAPTURE0],
                    lastMatchInfo[CAPTURE1]);
 }
 
 
 function RegExpGetLastParen() {
   if (lastMatchInfoOverride) {
@@ skipping 17 matching lines @@
 
 
 function RegExpGetLeftContext() {
   var start_index;
   var subject;
   if (!lastMatchInfoOverride) {
     start_index = lastMatchInfo[CAPTURE0];
     subject = LAST_SUBJECT(lastMatchInfo);
   } else {
     var override = lastMatchInfoOverride;
-    start_index = override[override.length - 2];
-    subject = override[override.length - 1];
+    start_index = OVERRIDE_POS(override);
+    subject = OVERRIDE_SUBJECT(override);
   }
   return SubString(subject, 0, start_index);
 }
 
 
 function RegExpGetRightContext() {
   var start_index;
   var subject;
   if (!lastMatchInfoOverride) {
     start_index = lastMatchInfo[CAPTURE1];
     subject = LAST_SUBJECT(lastMatchInfo);
   } else {
     var override = lastMatchInfoOverride;
-    subject = override[override.length - 1];
-    var pattern = override[override.length - 3];
-    start_index = override[override.length - 2] + pattern.length;
+    subject = OVERRIDE_SUBJECT(override);
+    var match = OVERRIDE_MATCH(override);
+    start_index = OVERRIDE_POS(override) + match.length;
   }
   return SubString(subject, start_index, subject.length);
 }
 
 
 // The properties $1..$9 are the first nine capturing substrings of the last
 // successful match, or ''.  The function RegExpMakeCaptureGetter will be
 // called with indices from 1 to 9.
 function RegExpMakeCaptureGetter(n) {
   return function() {
     if (lastMatchInfoOverride) {
-      if (n < lastMatchInfoOverride.length - 2) return lastMatchInfoOverride[n];
+      if (n < lastMatchInfoOverride.length - 2) {
+        return OVERRIDE_CAPTURE(lastMatchInfoOverride, n);
+      }
       return '';
     }
     var index = n * 2;
     if (index >= NUMBER_OF_CAPTURES(lastMatchInfo)) return '';
     var matchStart = lastMatchInfo[CAPTURE(index)];
     var matchEnd = lastMatchInfo[CAPTURE(index + 1)];
     if (matchStart == -1 || matchEnd == -1) return '';
     return SubString(LAST_SUBJECT(lastMatchInfo), matchStart, matchEnd);
   };
 }
@@ skipping 98 matching lines @@
                                     NoOpSetter, DONT_ENUM | DONT_DELETE);
 
   for (var i = 1; i < 10; ++i) {
     %DefineOrRedefineAccessorProperty($RegExp, '$' + i,
                                       RegExpMakeCaptureGetter(i), NoOpSetter,
                                       DONT_DELETE);
   }
 }
 
 SetUpRegExp();