Refactor assignment in the ARM code generator...

src/arm/codegen-arm.h

 // Copyright 2010 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 294 matching lines @@
                                     JumpTarget* true_target,
                                     JumpTarget* false_target,
                                     bool force_control);
 
   // Read a value from a slot and leave it on top of the expression stack.
   void LoadFromSlot(Slot* slot, TypeofState typeof_state);
   void LoadFromSlotCheckForArguments(Slot* slot, TypeofState state);
   // Store the value on top of the stack to a slot.
   void StoreToSlot(Slot* slot, InitState init_state);
 
-  // Load a named property, leaving it in r0. The receiver is passed on the
+  // Support for compiling assignment expressions.
+  void EmitSlotAssignment(Assignment* node);
+  void EmitNamedPropertyAssignment(Assignment* node);
+  void EmitKeyedPropertyAssignment(Assignment* node);
+
+  // Load a named property, returning it in r0. The receiver is passed on the
   // stack, and remains there.
   void EmitNamedLoad(Handle<String> name, bool is_contextual);
 
+  // Store to a named property. If the store is contextual, value is passed on
+  // the frame and consumed. Otherwise, receiver and value are passed on the
+  // frame and consumed. The result is returned in r0.
+  void EmitNamedStore(Handle<String> name, bool is_contextual);
+
   // Load a keyed property, leaving it in r0.  The receiver and key are
   // passed on the stack, and remain there.
   void EmitKeyedLoad();
 
   // Store a keyed property. Key and receiver are on the stack and the value is
   // in r0. Result is returned in r0.
   void EmitKeyedStore(StaticType* key_type);
 
   void LoadFromGlobalSlotCheckExtensions(Slot* slot,
                                          TypeofState typeof_state,
@@ skipping 526 matching lines @@
   void Print() {
     PrintF("NumberToStringStub\n");
   }
 #endif
 };
 
 
 } }  // namespace v8::internal
 
 #endif  // V8_ARM_CODEGEN_ARM_H_