/****************************************************************************
**
** Copyright (C) 2008 Nokia Corporation and/or its subsidiary(-ies).
** Contact: Qt Software Information (qt-info@nokia.com)
**
** This file is part of the QtScript module of the Qt Toolkit.
**
** Commercial Usage
** Licensees holding valid Qt Commercial licenses may use this file in
** accordance with the Qt Commercial License Agreement provided with the
** Software or, alternatively, in accordance with the terms contained in
** a written agreement between you and Nokia.
**
**
** GNU General Public License Usage
** Alternatively, this file may be used under the terms of the GNU
** General Public License versions 2.0 or 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 GNU General Public Licensing requirements will be met:
** http://www.fsf.org/licensing/licenses/info/GPLv2.html and
** http://www.gnu.org/copyleft/gpl.html.  In addition, as a special
** exception, Nokia gives you certain additional rights. These rights
** are described in the Nokia Qt GPL Exception version 1.3, included in
** the file GPL_EXCEPTION.txt in this package.
**
** Qt for Windows(R) Licensees
** As a special exception, Nokia, as the sole copyright holder for Qt
** Designer, grants users of the Qt/Eclipse Integration plug-in the
** right for the Qt/Eclipse Integration to link to functionality
** provided by Qt Designer and its related libraries.
**
** If you are unsure which license is appropriate for your use, please
** contact the sales department at qt-sales@nokia.com.
**
****************************************************************************/

#ifndef QSCRIPTENGINEAGENT_H
#define QSCRIPTENGINEAGENT_H

#include <QtCore/qobjectdefs.h>

#ifndef QT_NO_SCRIPT

#include <QtCore/qvariant.h>

QT_BEGIN_HEADER

QT_BEGIN_NAMESPACE

QT_MODULE(Script)

class QScriptEngine;
class QScriptValue;

class QScriptEngineAgentPrivate;
class Q_SCRIPT_EXPORT QScriptEngineAgent
{
public:
    enum Extension {
    };

    QScriptEngineAgent(QScriptEngine *engine);
    virtual ~QScriptEngineAgent();

    virtual void scriptLoad(qint64 id, const QString &program,
                            const QString &fileName, int baseLineNumber);
    virtual void scriptUnload(qint64 id);

    virtual void contextPush();
    virtual void contextPop();

    virtual void functionEntry(qint64 scriptId);
    virtual void functionExit(qint64 scriptId,
                              const QScriptValue &returnValue);

    virtual void positionChange(qint64 scriptId,
                                int lineNumber, int columnNumber);

    virtual void exceptionThrow(qint64 scriptId,
                                const QScriptValue &exception,
                                bool hasHandler);
    virtual void exceptionCatch(qint64 scriptId,
                                const QScriptValue &exception);

    virtual bool supportsExtension(Extension extension) const;
    virtual QVariant extension(Extension extension,
                               const QVariant &argument = QVariant());

    QScriptEngine *engine() const;

protected:
    QScriptEngineAgent(QScriptEngineAgentPrivate &dd, QScriptEngine *engine);
    QScriptEngineAgentPrivate *d_ptr;

private:
    Q_DECLARE_PRIVATE(QScriptEngineAgent)
    Q_DISABLE_COPY(QScriptEngineAgent)
};

QT_END_NAMESPACE

QT_END_HEADER

#endif // QT_NO_SCRIPT

#endif
