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diff --git a/src/script/bridge/qscriptglobalobject.cpp b/src/script/bridge/qscriptglobalobject.cpp
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+++ b/src/script/bridge/qscriptglobalobject.cpp
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+/****************************************************************************
+**
+** Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies).
+** Contact: Nokia Corporation (qt-info@nokia.com)
+**
+** This file is part of the QtScript module of the Qt Toolkit.
+**
+** $QT_BEGIN_LICENSE:LGPL$
+** No Commercial Usage
+** This file contains pre-release code and may not be distributed.
+** You may use this file in accordance with the terms and conditions
+** contained in the either Technology Preview License Agreement or the
+** Beta Release License Agreement.
+**
+** GNU Lesser General Public License Usage
+** Alternatively, this file may be used under the terms of the GNU Lesser
+** General Public License version 2.1 as published by the Free Software
+** Foundation and appearing in the file LICENSE.LGPL included in the
+** packaging of this file.  Please review the following information to
+** ensure the GNU Lesser General Public License version 2.1 requirements
+** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
+**
+** In addition, as a special exception, Nokia gives you certain
+** additional rights. These rights are described in the Nokia Qt LGPL
+** Exception version 1.0, included in the file LGPL_EXCEPTION.txt in this
+** package.
+**
+** GNU General Public License Usage
+** Alternatively, this file may be used under the terms of the GNU
+** General Public License version 3.0 as published by the Free Software
+** Foundation and appearing in the file LICENSE.GPL included in the
+** packaging of this file.  Please review the following information to
+** ensure the GNU General Public License version 3.0 requirements will be
+** met: http://www.gnu.org/copyleft/gpl.html.
+**
+** If you are unsure which license is appropriate for your use, please
+** contact the sales department at http://www.qtsoftware.com/contact.
+** $QT_END_LICENSE$
+**
+****************************************************************************/
+
+#include "qscriptglobalobject_p.h"
+
+#ifndef QT_NO_SCRIPT
+
+#include "../api/qscriptengine.h"
+#include "../api/qscriptengine_p.h"
+
+QT_BEGIN_NAMESPACE
+
+namespace JSC
+{
+
+ASSERT_CLASS_FITS_IN_CELL(QScript::GlobalObject);
+ASSERT_CLASS_FITS_IN_CELL(QScript::OriginalGlobalObjectProxy);
+
+} // namespace JSC
+
+namespace QScript
+{
+
+GlobalObject::GlobalObject()
+    : JSC::JSGlobalObject(), customGlobalObject(0)
+{
+}
+
+GlobalObject::~GlobalObject()
+{
+}
+
+void GlobalObject::mark()
+{
+    Q_ASSERT(!marked());
+    JSC::JSGlobalObject::mark();
+    if (customGlobalObject && !customGlobalObject->marked())
+        customGlobalObject->mark();
+}
+
+bool GlobalObject::getOwnPropertySlot(JSC::ExecState* exec,
+                                      const JSC::Identifier& propertyName,
+                                      JSC::PropertySlot& slot)
+{
+    QScriptEnginePrivate *engine = scriptEngineFromExec(exec);
+    if (propertyName == exec->propertyNames().arguments && engine->currentFrame->argumentCount() > 0) {
+        JSC::JSValue args = engine->scriptValueToJSCValue(engine->contextForFrame(engine->currentFrame)->argumentsObject());
+        slot.setValue(args);
+        return true;
+    }
+    if (customGlobalObject)
+        return customGlobalObject->getOwnPropertySlot(exec, propertyName, slot);
+    return JSC::JSGlobalObject::getOwnPropertySlot(exec, propertyName, slot);
+}
+
+void GlobalObject::put(JSC::ExecState* exec, const JSC::Identifier& propertyName,
+                       JSC::JSValue value, JSC::PutPropertySlot& slot)
+{
+    if (customGlobalObject)
+        customGlobalObject->put(exec, propertyName, value, slot);
+    else
+        JSC::JSGlobalObject::put(exec, propertyName, value, slot);
+}
+
+bool GlobalObject::deleteProperty(JSC::ExecState* exec,
+                                  const JSC::Identifier& propertyName, bool checkDontDelete)
+{
+    if (customGlobalObject)
+        return customGlobalObject->deleteProperty(exec, propertyName, checkDontDelete);
+    return JSC::JSGlobalObject::deleteProperty(exec, propertyName, checkDontDelete);
+}
+
+bool GlobalObject::getPropertyAttributes(JSC::ExecState* exec, const JSC::Identifier& propertyName,
+                                         unsigned& attributes) const
+{
+    if (customGlobalObject)
+        return customGlobalObject->getPropertyAttributes(exec, propertyName, attributes);
+    return JSC::JSGlobalObject::getPropertyAttributes(exec, propertyName, attributes);
+}
+
+void GlobalObject::getPropertyNames(JSC::ExecState* exec, JSC::PropertyNameArray& propertyNames, bool includeNonEnumerable)
+{
+    if (customGlobalObject)
+        customGlobalObject->getPropertyNames(exec, propertyNames, includeNonEnumerable);
+    else
+        JSC::JSGlobalObject::getPropertyNames(exec, propertyNames, includeNonEnumerable);
+}
+
+} // namespace QScript
+
+QT_END_NAMESPACE
+
+#endif // QT_NO_SCRIPT