ElftosbLexer.h

/*
 * File:    ElftosbLexer.h
 *
 * Copyright (c) Freescale Semiconductor, Inc. All rights reserved.
 * See included license file for license details.
 */

// This header just wraps the standard flex C++ header to make it easier to include
// without having to worry about redefinitions of the class name every time.

#if !defined(_ElftosbLexer_h_)
#define _ElftosbLexer_h_

#include "ElftosbAST.h"
#include "FlexLexer.h"
#include "elftosb_parser.tab.hpp"
#include <vector>
#include <string>
#include <stdexcept>
#include "Blob.h"

using namespace std;

namespace elftosb
{
class syntax_error : public std::runtime_error
{
public:
    explicit syntax_error(const std::string &__arg)
        : std::runtime_error(__arg)
    {
    }
};

class lexical_error : public std::runtime_error
{
public:
    explicit lexical_error(const std::string &__arg)
        : std::runtime_error(__arg)
    {
    }
};

class ElftosbLexer : public yyFlexLexer
{
public:
    ElftosbLexer(istream &inputStream);

    virtual int yylex();

    virtual void getSymbolValue(YYSTYPE *value);

    inline token_loc_t &getLocation() { return m_location; }

    void addSourceName(std::string *ident);
    bool isSourceName(std::string *ident);

protected:
    YYSTYPE m_symbolValue;  
    int m_line;             
    token_loc_t m_location; 
    Blob *m_blob;           
    int m_blobFirstLine;    

    typedef std::vector<std::string> string_vector_t;
    string_vector_t m_sources; 

    virtual void LexerError(const char *msg);

    int processStringEscapes(const char *in, char *out);
};

}; // namespace elftosb

#endif // _ElftosbLexer_h_