Implement string.match in C++.

src/string.js

 // Copyright 2006-2008 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 139 matching lines @@
 }
 
 
 // ECMA-262 section 15.5.4.10
 function StringMatch(regexp) {
   if (!IS_REGEXP(regexp)) regexp = new ORIGINAL_REGEXP(regexp);
   var subject = ToString(this);
 
   if (!regexp.global) return regexp.exec(subject);
   %_Log('regexp', 'regexp-match,%0S,%1r', [subject, regexp]);
-  var matches = DoRegExpExecGlobal(regexp, subject);
-
-  // If the regexp did not match, return null.
-  if (matches.length == 0) return null;
-
-  // Build the result array.
-  var result = new $Array(match_string);
-  for (var i = 0; i < matches.length; ++i) {
-    var matchInfo = matches[i];
-    var match_string = subject.slice(matchInfo[CAPTURE0],
-                                     matchInfo[CAPTURE1]);
-    result[i] = match_string;
-  }
-
-  return result;
+  // lastMatchInfo is defined in regexp-delay.js

[Erik Corry, 2009/03/25 11:29:46]

full stop

+  return %StringMatch(subject, regexp, lastMatchInfo);
 }
 
 
 // SubString is an internal function that returns the sub string of 'string'.
 // If resulting string is of length 1, we use the one character cache
 // otherwise we call the runtime system.
 function SubString(string, start, end) {
   // Use the one character string cache.
   if (start + 1 == end) {
     var char_code = %_FastCharCodeAt(string, start);
@@ skipping 683 matching lines @@
     "italics", StringItalics,
     "small", StringSmall,
     "strike", StringStrike,
     "sub", StringSub,
     "sup", StringSup
   ));
 }
 
 
 SetupString();