Direct call to native RegExp code from JavaScript

src/regexp-delay.js

 // 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 118 matching lines @@
   // behavior.
   if (IS_UNDEFINED(pattern) && %_ArgumentsLength() != 0) {
     DoConstructRegExp(this, 'undefined', flags, false);
   } else {
     DoConstructRegExp(this, pattern, flags, false);
   }
 }
 
 
 function DoRegExpExec(regexp, string, index) {
-  return %RegExpExec(regexp, string, index, lastMatchInfo);
+  return %_RegExpExec(regexp, string, index, lastMatchInfo);
 }
 
 
 function RegExpExec(string) {
   if (!IS_REGEXP(this)) {
     throw MakeTypeError('method_called_on_incompatible',
                         ['RegExp.prototype.exec', this]);
   }
   if (%_ArgumentsLength() == 0) {
     var regExpInput = LAST_INPUT(lastMatchInfo);
     if (IS_UNDEFINED(regExpInput)) {
       throw MakeError('no_input_to_regexp', [this]);
     }
     string = regExpInput;
   }
   var s = ToString(string);
   var length = s.length;
   var lastIndex = this.lastIndex;
   var i = this.global ? TO_INTEGER(lastIndex) : 0;
 
   if (i < 0 || i > s.length) {
     this.lastIndex = 0;
     return null;
   }
 
   %_Log('regexp', 'regexp-exec,%0r,%1S,%2i', [this, s, lastIndex]);
   // matchIndices is either null or the lastMatchInfo array.
-  var matchIndices = %RegExpExec(this, s, i, lastMatchInfo);
+  var matchIndices = %_RegExpExec(this, s, i, lastMatchInfo);
 
   if (matchIndices == null) {
     if (this.global) this.lastIndex = 0;
     return matchIndices; // no match
   }
 
   var numResults = NUMBER_OF_CAPTURES(lastMatchInfo) >> 1;
   var result = new $Array(numResults);
   for (var i = 0; i < numResults; i++) {
     var matchStart = lastMatchInfo[CAPTURE(i << 1)];
@@ skipping 36 matching lines @@
   var lastIndex = this.lastIndex;
   var i = this.global ? TO_INTEGER(lastIndex) : 0;
 
   if (i < 0 || i > s.length) {
     this.lastIndex = 0;
     return false;
   }
 
   %_Log('regexp', 'regexp-exec,%0r,%1S,%2i', [this, s, lastIndex]);
   // matchIndices is either null or the lastMatchInfo array.
-  var matchIndices = %RegExpExec(this, s, i, lastMatchInfo);
+  var matchIndices = %_RegExpExec(this, s, i, lastMatchInfo);
 
   if (matchIndices == null) {
     if (this.global) this.lastIndex = 0;
     return false;
   }
 
   if (this.global) this.lastIndex = lastMatchInfo[CAPTURE1];
   return true;
 }
 
@@ skipping 162 matching lines @@
   %DefineAccessor($RegExp, "$'", SETTER, NoOpSetter, DONT_ENUM | DONT_DELETE);
 
   for (var i = 1; i < 10; ++i) {
     %DefineAccessor($RegExp, '$' + i, GETTER, RegExpMakeCaptureGetter(i), DONT_DELETE);
     %DefineAccessor($RegExp, '$' + i, SETTER, NoOpSetter, DONT_DELETE);
   }
 }
 
 
 SetupRegExp();