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diff --git a/src/script/api/qscriptvalue_p.h b/src/script/api/qscriptvalue_p.h
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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.
+** $QT_END_LICENSE$
+**
+****************************************************************************/
+
+#ifndef QSCRIPTVALUE_P_H
+#define QSCRIPTVALUE_P_H
+
+//
+//  W A R N I N G
+//  -------------
+//
+// This file is not part of the Qt API.  It exists purely as an
+// implementation detail.  This header file may change from version to
+// version without notice, or even be removed.
+//
+// We mean it.
+//
+
+#include <QtCore/qobjectdefs.h>
+
+QT_BEGIN_NAMESPACE
+
+#include "wtf/Platform.h"
+#include "JSValue.h"
+
+class QString;
+class QScriptEnginePrivate;
+
+class QScriptValue;
+class QScriptValuePrivate
+{
+    Q_DISABLE_COPY(QScriptValuePrivate);
+public:
+    enum Type {
+        JSC,
+        Number,
+        String
+    };
+
+    QScriptValuePrivate();
+    ~QScriptValuePrivate();
+
+    void initFrom(JSC::JSValue value);
+    void initFrom(double value);
+    void initFrom(const QString &value);
+
+    bool isJSC() const;
+
+    QVariant &variantValue() const;
+    void setVariantValue(const QVariant &value);
+
+    static QScriptValuePrivate *get(const QScriptValue &q)
+    {
+        return q.d_ptr.data();
+    }
+
+    static QScriptValue toPublic(QScriptValuePrivate *d)
+    {
+        QScriptValue tmp;
+        tmp.d_ptr = d;
+        d->ref.ref();
+        return tmp;
+    }
+
+    QScriptValue property(const JSC::Identifier &id, int resolveMode) const;
+    QScriptValue property(quint32 index, int resolveMode) const;
+    QScriptValue property(const QString &, int resolveMode) const;
+
+    void detachFromEngine();
+
+    qint64 objectId()
+    {
+        if ( (type == JSC) && (engine) )
+            return (qint64)jscValue.asCell();
+        else
+            return -1;
+    }
+
+    static void saveException(JSC::ExecState*, JSC::JSValue*);
+    static void restoreException(JSC::ExecState*, JSC::JSValue);
+
+    QScriptEnginePrivate *engine;
+    Type type;
+    JSC::JSValue jscValue;
+    double numberValue;
+    QString stringValue;
+
+    // linked list of engine's script values
+    QScriptValuePrivate *prev;
+    QScriptValuePrivate *next;
+
+    QBasicAtomicInt ref;
+};
+
+
+QT_END_NAMESPACE
+
+#endif