Small cleanup of the code generator: make the static code gen

functions and the ones defined on the AST nodes take a code generator,
rather than a macro assembler and (sometimes) scope.

Uniformly use the __ macro for masm_/masm in the codegen*.cc files.
Review URL: http://codereview.chromium.org/5663

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@408 ce2b1a6d-e550-0410-aec6-3dcde31c8c00

src/ast.h

@@ -159,8 +159,7 @@ class Expression: public Node {
   // the expression stack, and a reference containing the expression
   // immediately below that.  This function is overridden for expression
   // types that can be stored into.
-  virtual void GenerateStoreCode(MacroAssembler* masm,
-                                 Scope* scope,
+  virtual void GenerateStoreCode(CodeGenerator* cgen,
                                  Reference* ref,
                                  InitState init_state) {
     UNREACHABLE();
@@ -763,8 +762,7 @@ class VariableProxy: public Expression {
   // side of an assignment.  The code will expect the stored value on top of
   // the expression stack, and a reference containing the expression
   // immediately below that.
-  virtual void GenerateStoreCode(MacroAssembler* masm,
-                                 Scope* scope,
+  virtual void GenerateStoreCode(CodeGenerator* cgen,
                                  Reference* ref,
                                  InitState init_state);
  protected:
@@ -846,8 +844,7 @@ class Slot: public Expression {
   // side of an assignment.  The code will expect the stored value on top of
   // the expression stack, and a reference containing the expression
   // immediately below that.
-  virtual void GenerateStoreCode(MacroAssembler* masm,
-                                 Scope* scope,
+  virtual void GenerateStoreCode(CodeGenerator* cgen,
                                  Reference* ref,
                                  InitState init_state);
  private:
@@ -881,8 +878,7 @@ class Property: public Expression {
   // side of an assignment.  The code will expect the stored value on top of
   // the expression stack, and a reference containing the expression
   // immediately below that.
-  virtual void GenerateStoreCode(MacroAssembler* masm,
-                                 Scope* scope,
+  virtual void GenerateStoreCode(CodeGenerator* cgen,
                                  Reference* ref,
                                  InitState init_state);
  private:

src/codegen.h

@@ -123,6 +123,7 @@ class CodeGenerator: public Visitor {
 
   virtual MacroAssembler* masm() = 0;
 
+  virtual Scope* scope() const = 0;
 
   void AddDeferred(DeferredCode* code) { deferred_.Add(code); }
   void ProcessDeferred();