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// file : CCF/CompilerElements/PreprocessorToken.hpp
// author : Boris Kolpackov <boris@dre.vanderbilt.edu>
// cvs-id : $Id$
#ifndef CCF_COMPILER_ELEMENTS_PREPROCESSOR_TOKEN_HPP
#define CCF_COMPILER_ELEMENTS_PREPROCESSOR_TOKEN_HPP
#include <string>
//@@ It is probably a good idea to move preprocessor into a
// separate library.
//
namespace CCF
{
namespace CompilerElements
{
namespace CPP
{
class Token
{
public:
static Token const eos;
public:
Token (char c, unsigned long line);
class EOS {};
operator char () const throw (EOS);
unsigned long
line () const throw (EOS);
friend bool
operator== (Token const& a, Token const& b);
friend bool
operator!= (Token const& a, Token const& b);
private:
// Constructs eos token.
//
Token ();
private:
typedef
std::char_traits<char>
traits;
traits::int_type c_;
unsigned long line_;
};
}
}
}
#endif // CCF_COMPILER_ELEMENTS_PREPROCESSOR_TOKEN_HPP
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