FastPreprocessor.h 2.98 KB
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/****************************************************************************
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**
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** Copyright (C) 2014 Digia Plc and/or its subsidiary(-ies).
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** Contact: http://www.qt-project.org/legal
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**
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** This file is part of Qt Creator.
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**
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** 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.
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**
** GNU Lesser General Public License Usage
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** 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
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** version 1.1, included in the file LGPL_EXCEPTION.txt in this package.
**
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****************************************************************************/
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#ifndef CPLUSPLUS_FASTPREPROCESSOR_H
#define CPLUSPLUS_FASTPREPROCESSOR_H
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#include "PreprocessorClient.h"
#include "CppDocument.h"
#include "pp.h"

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#include <cplusplus/Control.h>
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#include <QSet>
#include <QString>
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namespace CPlusPlus {

class CPLUSPLUS_EXPORT FastPreprocessor: public Client
{
    Environment _env;
    Snapshot _snapshot;
    Preprocessor _preproc;
    QSet<QString> _merged;
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    Document::Ptr _currentDoc;
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    void mergeEnvironment(const QString &fileName);

public:
    FastPreprocessor(const Snapshot &snapshot);

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    QByteArray run(Document::Ptr newDoc, const QByteArray &source);
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    // CPlusPlus::Client
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    virtual void sourceNeeded(unsigned line, const QString &fileName, IncludeType mode);
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    virtual void macroAdded(const Macro &);
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    virtual void passedMacroDefinitionCheck(unsigned, unsigned, unsigned, const Macro &);
    virtual void failedMacroDefinitionCheck(unsigned, unsigned, const ByteArrayRef &);
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    virtual void notifyMacroReference(unsigned, unsigned, unsigned, const Macro &);
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    virtual void startExpandingMacro(unsigned,
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                                     unsigned,
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                                     unsigned,
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                                     const Macro &,
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                                     const QVector<MacroArgumentReference> &);
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    virtual void stopExpandingMacro(unsigned, const Macro &) {}
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    virtual void markAsIncludeGuard(const QByteArray &) {}
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    virtual void startSkippingBlocks(unsigned) {}
    virtual void stopSkippingBlocks(unsigned) {}
};

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} // namespace CPlusPlus
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#endif // CPLUSPLUS_FASTPREPROCESSOR_H