--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/JavaScriptCore/runtime/CommonIdentifiers.cpp	Fri Sep 17 09:02:29 2010 +0300
@@ -0,0 +1,39 @@
+/*
+ *  Copyright (C) 2003, 2007, 2009 Apple Inc. All rights reserved.
+ *
+ *  This library is free software; you can redistribute it and/or
+ *  modify it under the terms of the GNU Library General Public
+ *  License as published by the Free Software Foundation; either
+ *  version 2 of the License, or (at your option) any later version.
+ *
+ *  This library is distributed in the hope that it will be useful,
+ *  but WITHOUT ANY WARRANTY; without even the implied warranty of
+ *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+ *  Library General Public License for more details.
+ *
+ *  You should have received a copy of the GNU Library General Public License
+ *  along with this library; see the file COPYING.LIB.  If not, write to
+ *  the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
+ *  Boston, MA 02110-1301, USA.
+ *
+ */
+
+#include "config.h"
+#include "CommonIdentifiers.h"
+
+namespace JSC {
+
+static const char* const nullCString = 0;
+
+#define INITIALIZE_PROPERTY_NAME(name) , name(globalData, #name)
+
+CommonIdentifiers::CommonIdentifiers(JSGlobalData* globalData)
+    : nullIdentifier(globalData, nullCString)
+    , emptyIdentifier(globalData, "")
+    , underscoreProto(globalData, "__proto__")
+    , thisIdentifier(globalData, "this")
+    JSC_COMMON_IDENTIFIERS_EACH_PROPERTY_NAME(INITIALIZE_PROPERTY_NAME)
+{
+}
+
+} // namespace JSC