/****************************************************************************
**
** Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies).
** Contact: Qt Software Information (qt-info@nokia.com)
** Copyright (C) 2001-2004 Roberto Raggi
**
** This file is part of the qt3to4 porting application of the Qt Toolkit.
**
** $QT_BEGIN_LICENSE:LGPL$
** No Commercial Usage
** This file contains pre-release code and may not be distributed.
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** contained in the either Technology Preview License Agreement or the
** Beta Release License Agreement.
**
** 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 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.
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** additional rights. These rights are described in the Nokia Qt LGPL
** Exception version 1.0, included in the file LGPL_EXCEPTION.txt in this
** package.
**
** GNU General Public License Usage
** Alternatively, this file may be used under the terms of the GNU
** General Public License version 3.0 as published by the Free Software
** Foundation and appearing in the file LICENSE.GPL included in the
** packaging of this file.  Please review the following information to
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****************************************************************************/

#ifndef CPPLEXER_H
#define CPPLEXER_H

#include "tokenengine.h"
#include "tokens.h"
#include <QVector>

QT_BEGIN_NAMESPACE

class CppLexer
{
public:
    CppLexer();
    typedef void (CppLexer::*scan_fun_ptr)(int *kind);
    QVector<Type> lex(TokenEngine::TokenSectionSequence tokenContainer);
private:
    Type identify(const TokenEngine::TokenTempRef &tokenTempRef);
    void setupScanTable();

    void scanChar(int *kind);
    void scanUnicodeChar(int *kind);
    void scanNewline(int *kind);
    void scanWhiteSpaces(int *kind);
    void scanCharLiteral(int *kind);
    void scanStringLiteral(int *kind);
    void scanNumberLiteral(int *kind);
    void scanIdentifier(int *kind);
    void scanPreprocessor(int *kind);
    void scanOperator(int *kind);

    void scanKeyword0(int *kind);
    void scanKeyword2(int *kind);
    void scanKeyword3(int *kind);
    void scanKeyword4(int *kind);
    void scanKeyword5(int *kind);
    void scanKeyword6(int *kind);
    void scanKeyword7(int *kind);
    void scanKeyword8(int *kind);
    void scanKeyword9(int *kind);
    void scanKeyword10(int *kind);
    void scanKeyword11(int *kind);
    void scanKeyword12(int *kind);
    void scanKeyword14(int *kind);
    void scanKeyword16(int *kind);

    CppLexer::scan_fun_ptr s_scan_table[128+1];
    int s_attr_table[256];
    CppLexer::scan_fun_ptr s_scan_keyword_table[17];

    enum
    {
        A_Alpha = 0x01,
        A_Digit = 0x02,
        A_Alphanum = A_Alpha | A_Digit,
        A_Whitespace = 0x04
    };

    const char *m_buffer;
    int m_ptr;
    int m_len;
};

QT_END_NAMESPACE

#endif