Upstream version 7.36.149.0

[platform/framework/web/crosswalk.git] / src / v8 / src / apinatives.js

diff --git a/src/v8/src/apinatives.js b/src/v8/src/apinatives.js
index 6431901..0579caf 100644 (file)
--- a/src/v8/src/apinatives.js
+++ b/src/v8/src/apinatives.js
@@ -1,29 +1,6 @@
 // Copyright 2006-2008 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
-//       with the distribution.
-//     * Neither the name of Google Inc. nor the names of its
-//       contributors may be used to endorse or promote products derived
-//       from this software without specific prior written permission.
-//
-// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
-// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
-// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
-// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
-// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
-// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
-// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
-// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
-// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
-// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
-// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
 
 // This file contains infrastructure used by the API.  See
 // v8natives.js for an explanation of these files are processed and
@@ -71,31 +48,29 @@ function InstantiateFunction(data, name) {
    (serialNumber in cache) && (cache[serialNumber] != kUninitialized);
   if (!isFunctionCached) {
     try {
-      var fun = %CreateApiFunction(data);
-      if (name) %FunctionSetName(fun, name);
       var flags = %GetTemplateField(data, kApiFlagOffset);
-      var doNotCache = flags & (1 << kDoNotCacheBit);
-      if (!doNotCache) cache[serialNumber] = fun;
-      if (flags & (1 << kRemovePrototypeBit)) {
-        %FunctionRemovePrototype(fun);
-      } else {
-        var prototype = %GetTemplateField(data, kApiPrototypeTemplateOffset);
-        // Note: Do not directly use an object template as a condition, our
-        // internal ToBoolean doesn't handle that!
-        fun.prototype = typeof prototype === 'undefined' ?
-            {} : Instantiate(prototype);
-        if (flags & (1 << kReadOnlyPrototypeBit)) {
-          %FunctionSetReadOnlyPrototype(fun);
-        }
-        %SetProperty(fun.prototype, "constructor", fun, DONT_ENUM);
+      var has_proto = !(flags & (1 << kRemovePrototypeBit));
+      var prototype;
+      if (has_proto) {
+        var template = %GetTemplateField(data, kApiPrototypeTemplateOffset);
+        prototype = typeof template === 'undefined'
+            ?  {} : Instantiate(template);
+
         var parent = %GetTemplateField(data, kApiParentTemplateOffset);
         // Note: Do not directly use a function template as a condition, our
         // internal ToBoolean doesn't handle that!
-        if (!(typeof parent === 'undefined')) {
+        if (typeof parent !== 'undefined') {
           var parent_fun = Instantiate(parent);
-          %SetPrototype(fun.prototype, parent_fun.prototype);
+          %SetPrototype(prototype, parent_fun.prototype);
         }
       }
+      var fun = %CreateApiFunction(data, prototype);
+      if (name) %FunctionSetName(fun, name);
+      var doNotCache = flags & (1 << kDoNotCacheBit);
+      if (!doNotCache) cache[serialNumber] = fun;
+      if (has_proto && flags & (1 << kReadOnlyPrototypeBit)) {
+        %FunctionSetReadOnlyPrototype(fun);
+      }
       ConfigureTemplateInstance(fun, data);
       if (doNotCache) return fun;
     } catch (e) {