- Optimized JSArray allocation in runtime system by using NewJSArrayWithEleme...

src/factory.cc

 // 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
@@ skipping 265 matching lines @@
 
 
 Handle<Object> Factory::NewReferenceError(Handle<String> message) {
   return NewError("$ReferenceError", message);
 }
 
 
 Handle<Object> Factory::NewError(const char* maker, const char* type,
     Vector< Handle<Object> > args) {
   HandleScope scope;
-  Handle<JSArray> array = NewJSArray(args.length());
-  for (int i = 0; i < args.length(); i++)
-    SetElement(array, i, args[i]);
-  Handle<Object> result = NewError(maker, type, array);
+  Handle<FixedArray> array = Factory::NewFixedArray(args.length());
+  for (int i = 0; i < args.length(); i++) {
+    array->set(i, *args[i]);
+  }
+  Handle<JSArray> object = Factory::NewJSArrayWithElements(array);
+  Handle<Object> result = NewError(maker, type, object);
   return result.EscapeFrom(&scope);
 }
 
 
 Handle<Object> Factory::NewEvalError(const char* type,
                                      Vector< Handle<Object> > args) {
   return NewError("MakeEvalError", type, args);
 }
 
 
@@ skipping 504 matching lines @@
     Execution::ConfigureInstance(instance,
                                  instance_template,
                                  pending_exception);
   } else {
     *pending_exception = false;
   }
 }
 
 
 } }  // namespace v8::internal