Handle function proxies as getters/setters.

src/objects.h

 // Copyright 2011 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 817 matching lines @@
   V(MapCache)                                  \
   V(Primitive)                                 \
   V(GlobalObject)                              \
   V(JSGlobalObject)                            \
   V(JSBuiltinsObject)                          \
   V(JSGlobalProxy)                             \
   V(UndetectableObject)                        \
   V(AccessCheckNeeded)                         \
   V(JSGlobalPropertyCell)                      \
 
+
+class JSReceiver;
+
 // Object is the abstract superclass for all classes in the
 // object hierarchy.
 // Object does not use any virtual functions to avoid the
 // allocation of the C++ vtable.
 // Since Smi and Failure are subclasses of Object no
 // data members can be present in Object.
 class Object : public MaybeObject {
  public:
   // Type testing.
 #define IS_TYPE_FUNCTION_DECL(type_)  inline bool Is##type_();
   OBJECT_TYPE_LIST(IS_TYPE_FUNCTION_DECL)
   HEAP_OBJECT_TYPE_LIST(IS_TYPE_FUNCTION_DECL)
 #undef IS_TYPE_FUNCTION_DECL
 
   // Returns true if this object is an instance of the specified
   // function template.
   inline bool IsInstanceOf(FunctionTemplateInfo* type);
 
   inline bool IsStruct();
 #define DECLARE_STRUCT_PREDICATE(NAME, Name, name) inline bool Is##Name();
   STRUCT_LIST(DECLARE_STRUCT_PREDICATE)
 #undef DECLARE_STRUCT_PREDICATE
 
   INLINE(bool IsSpecObject());
+  INLINE(bool IsSpecFunction());
 
   // Oddball testing.
   INLINE(bool IsUndefined());
   INLINE(bool IsNull());
   INLINE(bool IsTheHole());  // Shadows MaybeObject's implementation.
   INLINE(bool IsTrue());
   INLINE(bool IsFalse());
   inline bool IsArgumentsMarker();
 
   // Extract the number.
@@ skipping 32 matching lines @@
                                            String* key,
                                            PropertyAttributes* attributes);
   MUST_USE_RESULT MaybeObject* GetPropertyWithCallback(Object* receiver,
                                                        Object* structure,
                                                        String* name,
                                                        Object* holder);
   MUST_USE_RESULT MaybeObject* GetPropertyWithHandler(Object* receiver,
                                                       String* name,
                                                       Object* handler);
   MUST_USE_RESULT MaybeObject* GetPropertyWithDefinedGetter(Object* receiver,
-                                                            JSFunction* getter);
+                                                            JSReceiver* getter);
 
   inline MaybeObject* GetElement(uint32_t index);
   // For use when we know that no exception can be thrown.
   inline Object* GetElementNoExceptionThrown(uint32_t index);
   MaybeObject* GetElementWithReceiver(Object* receiver, uint32_t index);
 
   // Return the object's prototype (might be Heap::null_value()).
   Object* GetPrototype();
 
   // Tries to convert an object to an array index.  Returns true and sets
@@ skipping 639 matching lines @@
       String* name,
       Object* value,
       bool check_prototype,
       StrictModeFlag strict_mode);
   MUST_USE_RESULT MaybeObject* SetPropertyWithCallback(
       Object* structure,
       String* name,
       Object* value,
       JSObject* holder,
       StrictModeFlag strict_mode);
-  MUST_USE_RESULT MaybeObject* SetPropertyWithDefinedSetter(JSFunction* setter,
+  MUST_USE_RESULT MaybeObject* SetPropertyWithDefinedSetter(JSReceiver* setter,
                                                             Object* value);
   MUST_USE_RESULT MaybeObject* SetPropertyWithInterceptor(
       String* name,
       Object* value,
       PropertyAttributes attributes,
       StrictModeFlag strict_mode);
   MUST_USE_RESULT MaybeObject* SetPropertyPostInterceptor(
       String* name,
       Object* value,
       PropertyAttributes attributes,
@@ skipping 5901 matching lines @@
     } else {
       value &= ~(1 << bit_position);
     }
     return value;
   }
 };
 
 } }  // namespace v8::internal
 
 #endif  // V8_OBJECTS_H_