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// file : CCF/IDL2/Token.hpp
// author : Boris Kolpackov <boris@dre.vanderbilt.edu>
// cvs-id : $Id$
#ifndef CCF_IDL2_TOKEN_HPP
#define CCF_IDL2_TOKEN_HPP
#include <vector>
#include <string>
#include <ostream>
#include "CCF/CompilerElements/ReferenceCounting.hpp"
namespace CCF
{
namespace IDL2
{
//
//
//
class Token : public ReferenceCounting::DefaultImpl <>
{
protected:
Token (std::string lexeme, unsigned long line)
: lexeme_ (lexeme),
line_ (line)
{
}
public:
virtual ~Token () throw () {}
public:
std::string
lexeme () const
{
return lexeme_;
}
unsigned long
line () const
{
return line_;
}
private:
std::string lexeme_;
unsigned long line_;
};
typedef
ReferenceCounting::StrictPtr<Token>
TokenPtr;
typedef
std::vector<TokenPtr>
TokenList;
inline std::ostream&
operator<< (std::ostream& o, TokenPtr const& t)
{
if (t != 0) o << t->lexeme ();
return o;
}
//
//
//
class EndOfStream : public Token
{
public:
EndOfStream (unsigned long line)
: Token ("<end-of-stream>", line)
{
}
};
typedef
ReferenceCounting::StrictPtr<EndOfStream>
EndOfStreamPtr;
//
//
//
class Keyword : public Token
{
public:
Keyword (std::string lexeme, unsigned long line)
: Token (lexeme, line)
{
}
};
typedef
ReferenceCounting::StrictPtr<Keyword>
KeywordPtr;
//
//
//
class Punctuation : public Token
{
public:
Punctuation (std::string lexeme, unsigned long line)
: Token (lexeme, line)
{
}
virtual
~Punctuation () throw () {}
};
typedef
ReferenceCounting::StrictPtr<Punctuation>
PunctuationPtr;
//
//
//
class Identifier : public Token
{
public:
Identifier (std::string lexeme, unsigned long line)
: Token (lexeme, line)
{
}
};
typedef
ReferenceCounting::StrictPtr<Identifier>
IdentifierPtr;
//
//
//
class SimpleIdentifier : public Identifier
{
public:
SimpleIdentifier (std::string lexeme, unsigned long line)
: Identifier (lexeme, line)
{
}
};
typedef
ReferenceCounting::StrictPtr<SimpleIdentifier>
SimpleIdentifierPtr;
//
//
//
class ScopedIdentifier : public Identifier
{
public:
ScopedIdentifier (std::string lexeme, unsigned long line)
: Identifier (lexeme, line)
{
}
};
typedef
ReferenceCounting::StrictPtr<ScopedIdentifier>
ScopedIdentifierPtr;
//
//
//
class StringLiteral : public Token
{
public:
StringLiteral (std::string lexeme, unsigned long line)
: Token (lexeme, line)
{
}
};
typedef
ReferenceCounting::StrictPtr<StringLiteral>
StringLiteralPtr;
}
}
#endif // CCF_IDL2_TOKEN_HPP
|
