Made regexp robust against changes to a string's implementation.

src/jsregexp.h

 // Copyright 2006-2008 the V8 project authors. All rights reserved.
 // Redistribution and use in source and binary forms, with or without

[Erik Corry, 2009/03/20 12:45:42]

2009?

 // 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
 //       with the distribution.
 //     * Neither the name of Google Inc. nor the names of its
@@ skipping 138 matching lines @@
  private:
   static String* last_ascii_string_;
   static String* two_byte_cached_string_;
 
   static bool EnsureCompiledIrregexp(Handle<JSRegExp> re, bool is_ascii);
 
 
   // On a successful match, the result is a JSArray containing
   // captured positions. On a failure, the result is the null value.
   // Returns an empty handle in case of an exception.
-  static Handle<Object> IrregexpExecOnce(Handle<FixedArray> regexp,
+  static Handle<Object> IrregexpExecOnce(Handle<JSRegExp> jsregexp,
                                          int num_captures,
                                          Handle<JSArray> lastMatchInfo,
                                          Handle<String> subject16,
                                          int previous_index,
                                          int* ovector,
                                          int ovector_length);
 
   // Set the subject cache.  The previous string buffer is not deleted, so the
   // caller should ensure that it doesn't leak.
   static void SetSubjectCache(String* subject,
@@ skipping 1207 matching lines @@
                                    Handle<String> pattern,
                                    bool is_ascii);
 
   static void DotPrint(const char* label, RegExpNode* node, bool ignore_case);
 };
 
 
 } }  // namespace v8::internal
 
 #endif  // V8_JSREGEXP_H_