Introduce v8::Object::CreateDataProperty

src/v8natives.js

 // 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.
 
 var $functionSourceString;
 var $globalEval;
+var $objectDefineArrayProperty;
 var $objectGetOwnPropertyDescriptor;
 var $toCompletePropertyDescriptor;
 
 (function(global, utils) {
 
 %CheckIsBootstrapping();
 
 // ----------------------------------------------------------------------------
 // Imports
 
@@ skipping 871 matching lines @@
       }
       return true;
     }
   }
 
   // Step 5 - Fallback to default implementation.
   return DefineObjectProperty(obj, p, desc, should_throw);
 }
 
 
+function DefineArrayPropertyFromAPI(obj, p, value) {
+  return DefineArrayProperty(obj, p, ToPropertyDescriptor({
+                               value: value,
+                               configurable: true,
+                               enumerable: true,
+                               writable: true
+                             }),
+                             false);
+}
+
+
 // ES5 section 8.12.9, ES5 section 15.4.5.1 and Harmony proxies.
 function DefineOwnProperty(obj, p, desc, should_throw) {
   if (%_IsJSProxy(obj)) {
     // TODO(rossberg): adjust once there is a story for symbols vs proxies.
     if (IS_SYMBOL(p)) return false;
 
     var attributes = FromGenericPropertyDescriptor(desc);
     return DefineProxyProperty(obj, p, attributes, should_throw);
   } else if (IS_ARRAY(obj)) {
     return DefineArrayProperty(obj, p, desc, should_throw);
@@ skipping 910 matching lines @@
     throw MakeTypeError(kNotAnIterator, iterator);
   }
   return iterator;
 }
 
 // ----------------------------------------------------------------------------
 // Exports
 
 $functionSourceString = FunctionSourceString;
 $globalEval = GlobalEval;
+$objectDefineArrayProperty = DefineArrayPropertyFromAPI;
 $objectGetOwnPropertyDescriptor = ObjectGetOwnPropertyDescriptor;
 $toCompletePropertyDescriptor = ToCompletePropertyDescriptor;
 
 utils.ObjectDefineProperties = ObjectDefineProperties;
 utils.ObjectDefineProperty = ObjectDefineProperty;
 
 utils.Export(function(to) {
   to.Delete = Delete;
   to.GetIterator = GetIterator;
   to.GetMethod = GetMethod;
   to.IsFinite = GlobalIsFinite;
   to.IsNaN = GlobalIsNaN;
   to.NewFunctionString = NewFunctionString;
   to.NumberIsNaN = NumberIsNaN;
   to.ObjectDefineProperty = ObjectDefineProperty;
   to.ObjectFreeze = ObjectFreezeJS;
   to.ObjectGetOwnPropertyKeys = ObjectGetOwnPropertyKeys;
   to.ObjectHasOwnProperty = ObjectHasOwnProperty;
   to.ObjectIsFrozen = ObjectIsFrozen;
   to.ObjectIsSealed = ObjectIsSealed;
   to.ObjectToString = ObjectToString;
   to.OwnPropertyKeys = OwnPropertyKeys;
   to.ToNameArray = ToNameArray;
 });
 
 })