Version 3.27.34.15 (merged r23129)

src/objects.cc

 // Copyright 2013 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.
 
 #include "src/v8.h"
 
 #include "src/accessors.h"
 #include "src/allocation-site-scopes.h"
 #include "src/api.h"
 #include "src/arguments.h"
@@ skipping 6891 matching lines @@
 
 MaybeHandle<Object> JSObject::GetAccessor(Handle<JSObject> object,
                                           Handle<Name> name,
                                           AccessorComponent component) {
   Isolate* isolate = object->GetIsolate();
 
   // Make sure that the top context does not change when doing callbacks or
   // interceptor calls.
   AssertNoContextChange ncc(isolate);
 
-  // Check access rights if needed.
-  if (object->IsAccessCheckNeeded() &&
-      !isolate->MayNamedAccess(object, name, v8::ACCESS_HAS)) {
-    isolate->ReportFailedAccessCheck(object, v8::ACCESS_HAS);
-    RETURN_EXCEPTION_IF_SCHEDULED_EXCEPTION(isolate, Object);
-    return isolate->factory()->undefined_value();
-  }
-
   // Make the lookup and include prototypes.
   uint32_t index = 0;
   if (name->AsArrayIndex(&index)) {
     for (Handle<Object> obj = object;
          !obj->IsNull();
          obj = handle(JSReceiver::cast(*obj)->GetPrototype(), isolate)) {
+      if (obj->IsAccessCheckNeeded() &&
+          !isolate->MayNamedAccess(Handle<JSObject>::cast(obj), name,
+                                   v8::ACCESS_HAS)) {
+        isolate->ReportFailedAccessCheck(Handle<JSObject>::cast(obj),
+                                         v8::ACCESS_HAS);
+        RETURN_EXCEPTION_IF_SCHEDULED_EXCEPTION(isolate, Object);
+        return isolate->factory()->undefined_value();
+      }
+
       if (obj->IsJSObject() && JSObject::cast(*obj)->HasDictionaryElements()) {
         JSObject* js_object = JSObject::cast(*obj);
         SeededNumberDictionary* dictionary = js_object->element_dictionary();
         int entry = dictionary->FindEntry(index);
         if (entry != SeededNumberDictionary::kNotFound) {
           Object* element = dictionary->ValueAt(entry);
           if (dictionary->DetailsAt(entry).type() == CALLBACKS &&
               element->IsAccessorPair()) {
             return handle(AccessorPair::cast(element)->GetComponent(component),
                           isolate);
           }
         }
       }
     }
   } else {
     for (Handle<Object> obj = object;
          !obj->IsNull();
          obj = handle(JSReceiver::cast(*obj)->GetPrototype(), isolate)) {
+      if (obj->IsAccessCheckNeeded() &&
+          !isolate->MayNamedAccess(Handle<JSObject>::cast(obj), name,
+                                   v8::ACCESS_HAS)) {
+        isolate->ReportFailedAccessCheck(Handle<JSObject>::cast(obj),
+                                         v8::ACCESS_HAS);
+        RETURN_EXCEPTION_IF_SCHEDULED_EXCEPTION(isolate, Object);
+        return isolate->factory()->undefined_value();
+      }
       LookupResult result(isolate);
       JSReceiver::cast(*obj)->LookupOwn(name, &result);
       if (result.IsFound()) {
         if (result.IsReadOnly()) return isolate->factory()->undefined_value();
         if (result.IsPropertyCallbacks()) {
           Object* obj = result.GetCallbackObject();
           if (obj->IsAccessorPair()) {
             return handle(AccessorPair::cast(obj)->GetComponent(component),
                           isolate);
           }
@@ skipping 10046 matching lines @@
 #define ERROR_MESSAGES_TEXTS(C, T) T,
   static const char* error_messages_[] = {
       ERROR_MESSAGES_LIST(ERROR_MESSAGES_TEXTS)
   };
 #undef ERROR_MESSAGES_TEXTS
   return error_messages_[reason];
 }
 
 
 } }  // namespace v8::internal