Implement implicit instance checks for API accessors.

src/objects-inl.h

 // Copyright 2012 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 3496 matching lines @@
   Object* object = READ_FIELD(this, kPrototypeTransitionsOrBackPointerOffset);
   return reinterpret_cast<HeapObject*>(object);
 }
 
 
 ACCESSORS(Map, code_cache, Object, kCodeCacheOffset)
 ACCESSORS(Map, constructor, Object, kConstructorOffset)
 
 ACCESSORS(JSFunction, shared, SharedFunctionInfo, kSharedFunctionInfoOffset)
 ACCESSORS(JSFunction, literals_or_bindings, FixedArray, kLiteralsOffset)
-ACCESSORS(JSFunction,
-          next_function_link,
-          Object,
-          kNextFunctionLinkOffset)
+ACCESSORS(JSFunction, next_function_link, Object, kNextFunctionLinkOffset)
 
 ACCESSORS(GlobalObject, builtins, JSBuiltinsObject, kBuiltinsOffset)
 ACCESSORS(GlobalObject, global_context, Context, kGlobalContextOffset)
 ACCESSORS(GlobalObject, global_receiver, JSObject, kGlobalReceiverOffset)
 
 ACCESSORS(JSGlobalProxy, context, Object, kContextOffset)
 
 ACCESSORS(AccessorInfo, getter, Object, kGetterOffset)
 ACCESSORS(AccessorInfo, setter, Object, kSetterOffset)
 ACCESSORS(AccessorInfo, data, Object, kDataOffset)
 ACCESSORS(AccessorInfo, name, Object, kNameOffset)
 ACCESSORS_TO_SMI(AccessorInfo, flag, kFlagOffset)
+ACCESSORS(AccessorInfo, expected_receiver_type, Object,
+          kExpectedReceiverTypeOffset)
 
 ACCESSORS(AccessorPair, getter, Object, kGetterOffset)
 ACCESSORS(AccessorPair, setter, Object, kSetterOffset)
 
 ACCESSORS(AccessCheckInfo, named_callback, Object, kNamedCallbackOffset)
 ACCESSORS(AccessCheckInfo, indexed_callback, Object, kIndexedCallbackOffset)
 ACCESSORS(AccessCheckInfo, data, Object, kDataOffset)
 
 ACCESSORS(InterceptorInfo, getter, Object, kGetterOffset)
 ACCESSORS(InterceptorInfo, setter, Object, kSetterOffset)
@@ skipping 1191 matching lines @@
 PropertyAttributes AccessorInfo::property_attributes() {
   return AttributesField::decode(static_cast<uint32_t>(flag()->value()));
 }
 
 
 void AccessorInfo::set_property_attributes(PropertyAttributes attributes) {
   set_flag(Smi::FromInt(AttributesField::update(flag()->value(), attributes)));
 }
 
 
+bool AccessorInfo::IsCompatibleReceiver(Object* receiver) {
+  Object* function_template = expected_receiver_type();
+  if (!function_template->IsFunctionTemplateInfo()) return true;
+  return receiver->IsInstanceOf(FunctionTemplateInfo::cast(function_template));
+}
+
+
 template<typename Shape, typename Key>
 void Dictionary<Shape, Key>::SetEntry(int entry,
                                       Object* key,
                                       Object* value) {
   SetEntry(entry, key, value, PropertyDetails(Smi::FromInt(0)));
 }
 
 
 template<typename Shape, typename Key>
 void Dictionary<Shape, Key>::SetEntry(int entry,
@@ skipping 312 matching lines @@
 #undef WRITE_UINT32_FIELD
 #undef READ_SHORT_FIELD
 #undef WRITE_SHORT_FIELD
 #undef READ_BYTE_FIELD
 #undef WRITE_BYTE_FIELD
 
 
 } }  // namespace v8::internal
 
 #endif  // V8_OBJECTS_INL_H_