First version of the new generators implementation.

src/frames.h

 // Copyright 2012 the V8 project authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #ifndef V8_FRAMES_H_
 #define V8_FRAMES_H_
 
 #include "src/allocation.h"
 #include "src/handles.h"
 #include "src/safepoint-table.h"
@@ skipping 889 matching lines @@
   void PatchBytecodeOffset(int new_offset);
 
   // Returns the frame's current bytecode array.
   BytecodeArray* GetBytecodeArray() const;
 
   // Updates the frame's BytecodeArray with |bytecode_array|. Used by the
   // debugger to swap execution onto a BytecodeArray patched with breakpoints.
   void PatchBytecodeArray(BytecodeArray* bytecode_array);
 
   // Access to the interpreter register file for this frame.
-  Object* GetInterpreterRegister(int register_index) const;
+  Object* ReadInterpreterRegister(int register_index) const;
+  void WriteInterpreterRegister(int register_index, Object* value);
 
   // Build a list with summaries for this frame including all inlined frames.
   void Summarize(List<FrameSummary>* frames) const override;
 
  protected:
   inline explicit InterpretedFrame(StackFrameIteratorBase* iterator);
 
   Address GetExpressionAddress(int n) const override;
 
  private:
@@ skipping 296 matching lines @@
 
 
 // Reads all frames on the current stack and copies them into the current
 // zone memory.
 Vector<StackFrame*> CreateStackMap(Isolate* isolate, Zone* zone);
 
 }  // namespace internal
 }  // namespace v8
 
 #endif  // V8_FRAMES_H_