Begin using the top-level code generator for code that is inside...

src/fast-codegen.h

 // Copyright 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 25 matching lines @@
 namespace internal {
 
 
 class FastCodeGenerator: public AstVisitor {
  public:
   FastCodeGenerator(MacroAssembler* masm, Handle<Script> script, bool is_eval)
       : masm_(masm),
         function_(NULL),
         script_(script),
         is_eval_(is_eval),
+        loop_depth_(0),
         true_label_(NULL),
         false_label_(NULL) {
   }
 
   static Handle<Code> MakeCode(FunctionLiteral* fun,
                                Handle<Script> script,
                                bool is_eval);
 
   void Generate(FunctionLiteral* fun);
 
@@ skipping 31 matching lines @@
 
   // Complete a keyed property assignment.  The reciever, key, and
   // right-hand-side value are expected on top of the stack.
   void EmitKeyedPropertyAssignment(Assignment* expr);
 
   void SetFunctionPosition(FunctionLiteral* fun);
   void SetReturnPosition(FunctionLiteral* fun);
   void SetStatementPosition(Statement* stmt);
   void SetSourcePosition(int pos);
 
+  int loop_depth() { return loop_depth_; }
+  void increment_loop_depth() { loop_depth_++; }
+  void decrement_loop_depth() {
+    ASSERT(loop_depth_ > 0);
+    loop_depth_--;
+  }
+
   // AST node visit functions.
 #define DECLARE_VISIT(type) virtual void Visit##type(type* node);
   AST_NODE_LIST(DECLARE_VISIT)
 #undef DECLARE_VISIT
 
   // Handles the shortcutted logical binary operations in VisitBinaryOperation.
   void EmitLogicalOperation(BinaryOperation* expr);
 
   MacroAssembler* masm_;
   FunctionLiteral* function_;
   Handle<Script> script_;
   bool is_eval_;
   Label return_label_;
+  int loop_depth_;
 
   Label* true_label_;
   Label* false_label_;
 
   DISALLOW_COPY_AND_ASSIGN(FastCodeGenerator);
 };
 
 
 } }  // namespace v8::internal
 
 #endif  // V8_FAST_CODEGEN_H_