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/****************************************************************************
**
** Copyright (C) 2015 The Qt Company Ltd.
** Contact: http://www.qt.io/licensing
**
** This file is part of the Qt Build Suite.
**
** 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 The Qt Company. For licensing terms and
** conditions see http://www.qt.io/terms-conditions. For further information
** use the contact form at http://www.qt.io/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 or version 3 as published by the Free
** Software Foundation and appearing in the file LICENSE.LGPLv21 and
** LICENSE.LGPLv3 included in the packaging of this file. Please review the
** following information to ensure the GNU Lesser General Public License
** requirements will be met: https://www.gnu.org/licenses/lgpl.html and
** http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
**
** In addition, as a special exception, The Qt Company gives you certain additional
** rights. These rights are described in The Qt Company LGPL Exception
** version 1.1, included in the file LGPL_EXCEPTION.txt in this package.
**
****************************************************************************/
#ifndef QBS_RULESEVALUATIONCONTEXT_H
#define QBS_RULESEVALUATIONCONTEXT_H
#include <language/forward_decls.h>
#include <QHash>
#include <QScriptProgram>
#include <QScriptValue>
#include <QString>
namespace qbs {
namespace Internal {
class Logger;
class ProgressObserver;
class ScriptEngine;
class RulesEvaluationContext
{
public:
RulesEvaluationContext(const Logger &logger);
~RulesEvaluationContext();
class Scope
{
public:
Scope(RulesEvaluationContext *evalContext);
~Scope();
private:
RulesEvaluationContext * const m_evalContext;
};
ScriptEngine *engine() const { return m_engine; }
QScriptValue scope() const { return m_scope; }
bool isActive() const;
void setObserver(ProgressObserver *observer) { m_observer = observer; }
ProgressObserver *observer() const { return m_observer; }
void initializeObserver(const QString &description, int maximumProgress);
void incrementProgressValue();
void checkForCancelation();
private:
friend class Scope;
void initScope();
void cleanupScope();
ScriptEngine * const m_engine;
ProgressObserver *m_observer;
unsigned int m_initScopeCalls;
QScriptValue m_scope;
QScriptValue m_prepareScriptScope;
};
} // namespace Internal
} // namespace qbs
#endif // QBS_RULESEVALUATIONCONTEXT_H
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