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** Copyright (C) 2001-2004 Roberto Raggi

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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