/****************************************************************************+
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**+
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** Copyright (C) 2010 Nokia Corporation and/or its subsidiary(-ies).+
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** All rights reserved.+
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** Contact: Nokia Corporation (qt-info@nokia.com)+
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**+
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** This file is part of the tools applications of the Qt Toolkit.+
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**+
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** $QT_BEGIN_LICENSE:LGPL$+
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** No Commercial Usage+
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** This file contains pre-release code and may not be distributed.+
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** You may use this file in accordance with the terms and conditions+
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** contained in the Technology Preview License Agreement accompanying+
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** this package.+
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**+
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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+
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** General Public License version 2.1 as published by the Free Software+
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** Foundation and appearing in the file LICENSE.LGPL included in the+
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** packaging of this file.  Please review the following information to+
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** ensure the GNU Lesser General Public License version 2.1 requirements+
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** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.+
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**+
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** In addition, as a special exception, Nokia gives you certain additional+
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** rights.  These rights are described in the Nokia 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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** If you have questions regarding the use of this file, please contact+
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** Nokia at qt-info@nokia.com.+
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**+
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**+
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**+
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**+
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**+
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** $QT_END_LICENSE$+
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**+
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****************************************************************************/+
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+
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#ifndef PREPROCESSOR_H+
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#define PREPROCESSOR_H+
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+
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#include "parser.h"+
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#include <QList>+
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#include <QSet>+
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#include <stdio.h>+
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+
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QT_BEGIN_NAMESPACE+
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+
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struct Macro+
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{+
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    Symbols symbols;+
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};+
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+
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#ifdef USE_LEXEM_STORE+
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typedef QByteArray MacroName;+
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#else+
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typedef SubArray MacroName;+
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#endif+
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typedef QHash<MacroName, Macro> Macros;+
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typedef QVector<MacroName> MacroSafeSet;+
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+
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+
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class Preprocessor : public Parser+
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{+
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public:+
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    Preprocessor(){}+
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    static bool preprocessOnly;+
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    struct IncludePath+
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    {+
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        inline explicit IncludePath(const QByteArray &_path)+
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            : path(_path), isFrameworkPath(false) {}+
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        QByteArray path;+
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        bool isFrameworkPath;+
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    };+
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    QList<IncludePath> includes;+
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    QList<QByteArray> frameworks;+
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    QSet<QByteArray> preprocessedIncludes;+
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    Macros macros;+
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    Symbols preprocessed(const QByteArray &filename, FILE *file);+
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+
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+
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    void skipUntilEndif();+
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    bool skipBranch();+
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+
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    void substituteMacro(const MacroName &macro, Symbols &substituted, MacroSafeSet safeset = MacroSafeSet());+
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    void substituteUntilNewline(Symbols &substituted, MacroSafeSet safeset = MacroSafeSet());+
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+
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    int evaluateCondition();+
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+
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+
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private:+
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    void until(Token);+
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+
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    void preprocess(const QByteArray &filename, Symbols &preprocessed);+
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};+
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+
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QT_END_NAMESPACE+
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+
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#endif // PREPROCESSOR_H+
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