--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/JavaScriptCore/runtime/InternalFunction.cpp	Fri Sep 17 09:02:29 2010 +0300
@@ -0,0 +1,77 @@
+/*
+ *  Copyright (C) 1999-2002 Harri Porten (porten@kde.org)
+ *  Copyright (C) 2001 Peter Kelly (pmk@post.com)
+ *  Copyright (C) 2004, 2007, 2008 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 "InternalFunction.h"
+
+#include "FunctionPrototype.h"
+#include "JSGlobalObject.h"
+#include "JSString.h"
+
+namespace JSC {
+
+ASSERT_CLASS_FITS_IN_CELL(InternalFunction);
+
+const ClassInfo InternalFunction::info = { "Function", 0, 0, 0 };
+
+const ClassInfo* InternalFunction::classInfo() const
+{
+    return &info;
+}
+
+InternalFunction::InternalFunction(NonNullPassRefPtr<Structure> structure)
+    : JSObjectWithGlobalObject(structure)
+{
+}
+
+InternalFunction::InternalFunction(JSGlobalData* globalData, JSGlobalObject* globalObject, NonNullPassRefPtr<Structure> structure, const Identifier& name)
+    : JSObjectWithGlobalObject(globalObject, structure)
+{
+    putDirect(globalData->propertyNames->name, jsString(globalData, name.isNull() ? "" : name.ustring()), DontDelete | ReadOnly | DontEnum);
+}
+
+const UString& InternalFunction::name(ExecState* exec)
+{
+    return asString(getDirect(exec->globalData().propertyNames->name))->tryGetValue();
+}
+
+const UString InternalFunction::displayName(ExecState* exec)
+{
+    JSValue displayName = getDirect(exec->globalData().propertyNames->displayName);
+    
+    if (displayName && isJSString(&exec->globalData(), displayName))
+        return asString(displayName)->tryGetValue();
+    
+    return UString::null();
+}
+
+const UString InternalFunction::calculatedDisplayName(ExecState* exec)
+{
+    const UString explicitName = displayName(exec);
+    
+    if (!explicitName.isEmpty())
+        return explicitName;
+    
+    return name(exec);
+}
+
+} // namespace JSC