/****************************************************************************
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** Copyright (C) 2014 Digia Plc and/or its subsidiary(-ies).
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** This file is part of Qt Creator.
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** accordance with the commercial license agreement provided with the
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** LICENSE.LGPLv3 included in the packaging of this file.  Please review the
** following information to ensure the GNU Lesser General Public License
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****************************************************************************/

#ifndef CPPCREATEMARKERS_H
#define CPPCREATEMARKERS_H

#include "fastindexer.h"
#include "sourcemarker.h"
#include "semanticmarker.h"
#include "pchinfo.h"

#include <texteditor/semantichighlighter.h>

#include <QFuture>
#include <QtConcurrentRun>

namespace ClangCodeModel {

class CreateMarkers:
        public QObject,
        public QRunnable,
        public QFutureInterface<TextEditor::HighlightingResult>
{
    Q_OBJECT
    Q_DISABLE_COPY(CreateMarkers)

public:
    virtual ~CreateMarkers();

    virtual void run();

    typedef TextEditor::HighlightingResult SourceMarker;

    typedef QFuture<SourceMarker> Future;

    Future start()
    {
        this->setRunnable(this);
        this->reportStarted();
        Future future = this->future();
        QThreadPool::globalInstance()->start(this, QThread::LowestPriority);
        return future;
    }

    static CreateMarkers *create(ClangCodeModel::SemanticMarker::Ptr semanticMarker,
                                 const QString &fileName, unsigned firstLine, unsigned lastLine);

    void addUse(const SourceMarker &marker);
    void flush();

protected:
    CreateMarkers(ClangCodeModel::SemanticMarker::Ptr semanticMarker,
                  const QString &fileName, unsigned firstLine, unsigned lastLine);

private:
    ClangCodeModel::SemanticMarker::Ptr m_marker;
    QString m_fileName;
    unsigned m_firstLine;
    unsigned m_lastLine;
    QVector<SourceMarker> m_usages;
    bool m_flushRequested;
    unsigned m_flushLine;
};

} // namespace ClangCodeModel

#endif // CPPCREATEMARKERS_H
