/****************************************************************************

**

** Copyright (C) 2010 Nokia Corporation and/or its subsidiary(-ies).

** All rights reserved.

** Contact: Nokia Corporation (qt-info@nokia.com)

**

** This file is part of the QtScript module of the Qt Toolkit.

**

** $QT_BEGIN_LICENSE:LGPL-ONLY$

** GNU Lesser General Public License Usage

** 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.

**

** If you have questions regarding the use of this file, please contact

** Nokia at qt-info@nokia.com.

** $QT_END_LICENSE$

**

****************************************************************************/

#ifndef QSCRIPTENGINEAGENT_H

#define QSCRIPTENGINEAGENT_H

#include <QtCore/qobjectdefs.h>

#include <QtCore/qvariant.h>

#include <QtCore/qscopedpointer.h>

QT_BEGIN_HEADER

QT_BEGIN_NAMESPACE

QT_MODULE(Script)

class QScriptEngine;

class QScriptValue;

class QScriptEngineAgentPrivate;

class Q_SCRIPT_EXPORT QScriptEngineAgent

{

public:

    enum Extension {

        DebuggerInvocationRequest

    };

    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);

    QScopedPointer<QScriptEngineAgentPrivate> d_ptr;

private:

    Q_DECLARE_PRIVATE(QScriptEngineAgent)

    Q_DISABLE_COPY(QScriptEngineAgent)

};

QT_END_NAMESPACE

QT_END_HEADER

#endif