Added special case for atomic regular expressions.

src/jsregexp.h

 // 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 26 matching lines @@
   static Handle<Object> CreateRegExpLiteral(Handle<JSFunction> constructor,
                                             Handle<String> pattern,
                                             Handle<String> flags,
                                             bool* has_pending_exception);
 
   // Returns a string representation of a regular expression.
   // Implements RegExp.prototype.toString, see ECMA-262 section 15.10.6.4.
   // This function calls the garbage collector if necessary.
   static Handle<String> ToString(Handle<Object> value);
 
+  static Handle<Object> Compile(Handle<JSRegExp> re,
+                                Handle<String> pattern,
+                                Handle<String> flags);
+
+  // Implements RegExp.prototype.exec(string) function.
+  // See ECMA-262 section 15.10.6.2.
+  // This function calls the garbage collector if necessary.
+  static Handle<Object> Exec(Handle<JSRegExp> regexp,
+                             Handle<String> subject,
+                             Handle<Object> index);
+
+  // Call RegExp.prototyp.exec(string) in a loop.
+  // Used by String.prototype.match and String.prototype.replace.
+  // This function calls the garbage collector if necessary.
+  static Handle<Object> ExecGlobal(Handle<JSRegExp> regexp,
+                                   Handle<String> subject);
+
+  static Handle<Object> AtomCompile(Handle<JSRegExp> re,
+                                    Handle<String> pattern);
+
+  static Handle<Object> AtomExec(Handle<JSRegExp> regexp,
+                                 Handle<String> subject,
+                                 Handle<Object> index);
+
+  static Handle<Object> AtomExecGlobal(Handle<JSRegExp> regexp,
+                                       Handle<String> subject);
+
   static Handle<Object> JsreCompile(Handle<JSRegExp> re,
                                     Handle<String> pattern,
                                     Handle<String> flags);
 
-  // Implements RegExp.prototype.exec(string) function.
-  // See ECMA-262 section 15.10.6.2.
-  // This function calls the garbage collector if necessary.
   static Handle<Object> JsreExec(Handle<JSRegExp> regexp,
                                  Handle<String> subject,
                                  Handle<Object> index);
 
-  // Call RegExp.prototyp.exec(string) in a loop.
-  // Used by String.prototype.match and String.prototype.replace.
-  // This function calls the garbage collector if necessary.
   static Handle<Object> JsreExecGlobal(Handle<JSRegExp> regexp,
                                        Handle<String> subject);
 
   static void NewSpaceCollectionPrologue();
   static void OldSpaceCollectionPrologue();
 
  private:
   // Converts a source string to a 16 bit flat string.  The string
   // will be either sequential or it will be a SlicedString backed
   // by a flat string.
@@ skipping 28 matching lines @@
   static char* utf8_subject_cache_;
   static int utf8_length_cache_;
   static int utf8_position_;
   static int character_position_;
 };
 
 
 } }  // namespace v8::internal
 
 #endif  // V8_JSREGEXP_H_