Rewrite GetPropertyAttribute to use the LookupIterator

src/objects-inl.h

 // Copyright 2012 the V8 project authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 //
 // Review notes:
 //
 // - The use of macros in these inline functions may seem superfluous
 // but it is absolutely needed to make sure gcc generates optimal
 // code. gcc is not happy when attempting to inline too deep.
 //
@@ skipping 6400 matching lines @@
   return map()->constructor();
 }
 
 
 bool JSReceiver::HasProperty(Handle<JSReceiver> object,
                              Handle<Name> name) {
   if (object->IsJSProxy()) {
     Handle<JSProxy> proxy = Handle<JSProxy>::cast(object);
     return JSProxy::HasPropertyWithHandler(proxy, name);
   }
-  return GetPropertyAttribute(object, name) != ABSENT;
+  return GetPropertyAttributes(object, name) != ABSENT;
 }
 
 
 bool JSReceiver::HasOwnProperty(Handle<JSReceiver> object, Handle<Name> name) {
   if (object->IsJSProxy()) {
     Handle<JSProxy> proxy = Handle<JSProxy>::cast(object);
     return JSProxy::HasPropertyWithHandler(proxy, name);
   }
-  return GetOwnPropertyAttribute(object, name) != ABSENT;
+  return GetOwnPropertyAttributes(object, name) != ABSENT;
 }
 
 
-PropertyAttributes JSReceiver::GetPropertyAttribute(Handle<JSReceiver> object,
-                                                    Handle<Name> key) {
+PropertyAttributes JSReceiver::GetPropertyAttributes(Handle<JSReceiver> object,
+                                                     Handle<Name> key) {
   uint32_t index;
   if (object->IsJSObject() && key->AsArrayIndex(&index)) {
     return GetElementAttribute(object, index);
   }
-  return GetPropertyAttributeWithReceiver(object, object, key);
+  LookupIterator it(object, key);
+  return GetPropertyAttributes(&it);
 }
 
 
 PropertyAttributes JSReceiver::GetElementAttribute(Handle<JSReceiver> object,
                                                    uint32_t index) {
   if (object->IsJSProxy()) {
     return JSProxy::GetElementAttributeWithHandler(
         Handle<JSProxy>::cast(object), object, index);
   }
   return JSObject::GetElementAttributeWithReceiver(
@@ skipping 534 matching lines @@
 #undef READ_SHORT_FIELD
 #undef WRITE_SHORT_FIELD
 #undef READ_BYTE_FIELD
 #undef WRITE_BYTE_FIELD
 #undef NOBARRIER_READ_BYTE_FIELD
 #undef NOBARRIER_WRITE_BYTE_FIELD
 
 } }  // namespace v8::internal
 
 #endif  // V8_OBJECTS_INL_H_