/****************************************************************************
**
** Copyright (C) 2013 Digia Plc and/or its subsidiary(-ies).
** Contact: http://www.qt-project.org/legal
**
** This file is part of the QtQml module of the Qt Toolkit.
**
** $QT_BEGIN_LICENSE:LGPL$
** Commercial License Usage
** Licensees holding valid commercial Qt licenses may use this file in
** accordance with the commercial license agreement provided with the
** Software or, alternatively, in accordance with the terms contained in
** a written agreement between you and Digia.  For licensing terms and
** conditions see http://qt.digia.com/licensing.  For further information
** use the contact form at http://qt.digia.com/contact-us.
**
** 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, Digia gives you certain additional
** rights.  These rights are described in the Digia Qt LGPL Exception
** version 1.1, 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.
**
**
** $QT_END_LICENSE$
**
****************************************************************************/
#ifndef QV4EXCEPTION_GNU_P
#define QV4EXCEPTION_GNU_P

#include <qglobal.h>
#include "qv4value_p.h"
#include "qv4engine_p.h"

QT_BEGIN_NAMESPACE

namespace QV4 {

struct Q_QML_EXPORT Exception {
    static void throwException(ExecutionContext *throwingContext, const Value &exceptionValue);

    ~Exception();

    void accept(ExecutionContext *catchingContext);

    void partiallyUnwindContext(ExecutionContext *catchingContext);

    ReturnedValue value() const { return exception.value().asReturnedValue(); }

    ExecutionEngine::StackTrace stackTrace() const { return m_stackTrace; }
    ExecutionEngine *engine() const { return e; }

private:
    void *operator new(size_t, void *p) { return p; }

    explicit Exception(ExecutionContext *throwingContext, const Value &exceptionValue);

    ExecutionEngine *e;
    ExecutionContext *throwingContext;
    bool accepted;
    PersistentValue exception;
    ExecutionEngine::StackTrace m_stackTrace;
    static void throwInternal(ExecutionContext *throwingContext, const Value &exceptionValue);
};

} // namespace QV4

QT_END_NAMESPACE

#endif // QV4EXCEPTION_GNU_P