/****************************************************************************
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** Copyright (C) 2016 The Qt Company Ltd.
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** This file is part of the QtQml module of the Qt Toolkit.
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****************************************************************************/

#ifndef QV4DEBUGGING_H
#define QV4DEBUGGING_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 "qv4global_p.h"
#include <private/qv4staticvalue_p.h>
#include <QtCore/qobject.h>

QT_BEGIN_NAMESPACE

namespace QV4 {
namespace Debugging {

#if !QT_CONFIG(qml_debug)

class Debugger
{
public:
    bool pauseAtNextOpportunity() const { return false; }
    void maybeBreakAtInstruction() {}
    void enteringFunction() {}
    void leavingFunction(const ReturnedValue &) {}
    void aboutToThrow() {}
};

#else

class Q_QML_EXPORT Debugger : public QObject
{
    Q_OBJECT

public:
    ~Debugger() override {}
    virtual bool pauseAtNextOpportunity() const = 0;
    virtual void maybeBreakAtInstruction() = 0;
    virtual void enteringFunction() = 0;
    virtual void leavingFunction(const ReturnedValue &retVal) = 0;
    virtual void aboutToThrow() = 0;
};

#endif // QT_NO_QML_DEBUGGING

} // namespace Debugging
} // namespace QV4

QT_END_NAMESPACE

#endif // QV4DEBUGGING_H