Implement loop for global regexps in regexp assembler.

src/regexp-macro-assembler.h

-// Copyright 2008 the V8 project authors. All rights reserved.
+// 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
 //       with the distribution.
@@ skipping 164 matching lines @@
   virtual void SetRegister(int register_index, int to) = 0;
   virtual void Succeed() = 0;
   virtual void WriteCurrentPositionToRegister(int reg, int cp_offset) = 0;
   virtual void ClearRegisters(int reg_from, int reg_to) = 0;
   virtual void WriteStackPointerToRegister(int reg) = 0;
 
   // Controls the generation of large inlined constants in the code.
   void set_slow_safe(bool ssc) { slow_safe_compiler_ = ssc; }
   bool slow_safe() { return slow_safe_compiler_; }
 
+  // Set whether the regular expression has the global flag.  Exiting due to
+  // a failure in a global regexp may still mean success overall.
+  void set_global(bool global) { global_ = global; }
+  bool global() { return global_; }
+
  private:
   bool slow_safe_compiler_;
+  bool global_;
 };
 
 
 #ifndef V8_INTERPRETED_REGEXP  // Avoid compiling unused code.
 
 class NativeRegExpMacroAssembler: public RegExpMacroAssembler {
  public:
   // Type of input string to generate code for.
   enum Mode { ASCII = 1, UC16 = 2 };
 
@@ skipping 44 matching lines @@
   static Address word_character_map_address() {
     return const_cast<Address>(&word_character_map[0]);
   }
 
   static Result Execute(Code* code,
                         String* input,
                         int start_offset,
                         const byte* input_start,
                         const byte* input_end,
                         int* output,
+                        int output_size,
                         Isolate* isolate);
 };
 
 #endif  // V8_INTERPRETED_REGEXP
 
 } }  // namespace v8::internal
 
 #endif  // V8_REGEXP_MACRO_ASSEMBLER_H_