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/**************************************************************************
**
** This file is part of Qt Creator
**
** Copyright (c) 2011 Nokia Corporation and/or its subsidiary(-ies).
**
** Contact: Nokia Corporation (qt-info@nokia.com)
**
**
** 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.
**
** In addition, as a special exception, Nokia gives you certain additional
** rights. These rights are described in the Nokia Qt LGPL Exception
** version 1.1, included in the file LGPL_EXCEPTION.txt in this package.
**
** Other Usage
**
** Alternatively, this file may be used in accordance with the terms and
** conditions contained in a signed written agreement between you and Nokia.
**
** If you have questions regarding the use of this file, please contact
** Nokia at qt-info@nokia.com.
**
**************************************************************************/
#ifndef DEBUGGER_SCRIPTENGINE_H
#define DEBUGGER_SCRIPTENGINE_H
#include "debuggerengine.h"
#include <QtCore/QSharedPointer>
#include <QtCore/QScopedPointer>
#include <QtCore/QHash>
QT_BEGIN_NAMESPACE
class QScriptEngine;
class QScriptValue;
QT_END_NAMESPACE
namespace Debugger {
namespace Internal {
class ScriptAgent;
class WatchData;
/* A debugger engine for a QScriptEngine implemented using a QScriptEngineAgent.
* listening on script events. The engine has a special execution model:
* The script is executed in the foreground, while the debugger runs in
* processEvents() triggered by QScriptEngine::setProcessEventsInterval().
* Stopping is emulated by manually calling processEvents() from the debugger engine. */
class ScriptEngine : public Debugger::DebuggerEngine
{
Q_OBJECT
public:
explicit ScriptEngine(const DebuggerStartParameters &startParameters);
virtual ~ScriptEngine();
private:
// DebuggerEngine implementation
void executeStep();
void executeStepOut();
void executeNext();
void executeStepI();
void executeNextI();
bool setToolTipExpression(const QPoint &mousePos,
TextEditor::ITextEditor *editor, const DebuggerToolTipContext &);
void setupEngine();
void setupInferior();
void runEngine();
void shutdownInferior();
void shutdownEngine();
void continueInferior();
void interruptInferior();
void executeRunToLine(const ContextData &data);
void executeRunToFunction(const QString &functionName);
void executeJumpToLine(const ContextData &data);
void activateFrame(int index);
void selectThread(int index);
bool acceptsBreakpoint(BreakpointModelId id) const;
void attemptBreakpointSynchronization();
void assignValueInDebugger(const WatchData *w,
const QString &expr, const QVariant &value);
void executeDebuggerCommand(const QString &command);
void loadSymbols(const QString &moduleName);
void loadAllSymbols();
void requestModuleSymbols(const QString &moduleName);
void reloadModules();
void reloadRegisters() {}
void reloadSourceFiles() {}
void reloadFullStack() {}
bool checkForBreakCondition(bool byFunction);
void updateWatchData(const WatchData &data, const WatchUpdateFlags &flags);
void updateLocals();
void updateSubItem(const WatchData &data);
bool hasCapability(unsigned) const { return false; }
private:
friend class ScriptAgent;
void importExtensions();
QSharedPointer<QScriptEngine> m_scriptEngine;
QString m_scriptContents;
QString m_scriptFileName;
QScopedPointer<ScriptAgent> m_scriptAgent;
QHash<quint64,QScriptValue> m_watchIdToScriptValue;
quint64 m_watchIdCounter;
bool m_stopped;
bool m_stopOnNextLine;
};
} // namespace Internal
} // namespace Debugger
#endif // DEBUGGER_SCRIPTENGINE_H
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