Refactor the somewhat complicated code generation for assignments into...

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 57 matching lines @@
   // control flow to a pair of labels.
   void TestAndBranch(Register source, Label* true_label, Label* false_label);
 
   void VisitDeclarations(ZoneList<Declaration*>* declarations);
   Handle<JSFunction> BuildBoilerplate(FunctionLiteral* fun);
   void DeclareGlobals(Handle<FixedArray> pairs);
 
   void EmitCallWithStub(Call* expr);
   void EmitCallWithIC(Call* expr, RelocInfo::Mode reloc_info);
 
+  // Platform-specific support for compiling assignments.
+
+  // Complete a variable assignment.  The right-hand-side value are expected
+  // on top of the stack.
+  void EmitVariableAssignment(Expression::Context context, Variable* var);
+
+  // Complete a named property assignment.  The receiver and right-hand-side
+  // value are expected on top of the stack.
+  void EmitNamedPropertyAssignment(Expression::Context context,
+                                   Handle<Object> name);
+
+  // Complete a keyed property assignment.  The reciever, key, and
+  // right-hand-side value are expected on top of the stack.
+  void EmitKeyedPropertyAssignment(Expression::Context context);
+
   void SetFunctionPosition(FunctionLiteral* fun);
   void SetReturnPosition(FunctionLiteral* fun);
   void SetStatementPosition(Statement* stmt);
   void SetSourcePosition(int pos);
 
   // 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_;
 
   Label* true_label_;
   Label* false_label_;
 
   DISALLOW_COPY_AND_ASSIGN(FastCodeGenerator);
 };
 
 
 } }  // namespace v8::internal
 
 #endif  // V8_FAST_CODEGEN_H_