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itoken_spec.hh

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/*
 *  File:       itoken_spec.hh
 *              $Id: itoken_spec.hh,v 1.7 2002/06/26 20:48:10 alec Exp $
 *
 *  Author:     Alec Panoviciu (alecu@email.com)
 *
 *  Comments:
 *
 *  Revision history:
 *
 *  $Log: itoken_spec.hh,v $
 *  Revision 1.7  2002/06/26 20:48:10  alec
 *  g++ 3.x happy
 *
 *  Revision 1.6  2002/06/13 11:38:08  alec
 *  added #line stuff
 *
 *  Revision 1.5  2002/05/27 03:00:43  alec
 *  doc update
 *
 *  Revision 1.4  2002/05/10 07:15:10  alec
 *  parser parse tree ok
 *
 *  Revision 1.3  2002/05/08 10:35:23  alec
 *  added keyword tokens support
 *
 *  Revision 1.2  2002/05/04 18:51:16  alec
 *  sync
 *
 *  Revision 1.1  2002/05/04 17:46:53  alec
 *  *** empty log message ***
 *
 */


/* 
  Copyright (C) 2002 Alexandru Panoviciu (alecu@email.com)

  This program is free software; you can redistribute it and/or modify
  it under the terms of the GNU General Public License as published by
  the Free Software Foundation; either version 2 of the License, or
  (at your option) any later version.

  This program is distributed in the hope that it will be useful,
  but WITHOUT ANY WARRANTY; without even the implied warranty of
  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  GNU General Public License for more details.

  You should have received a copy of the GNU General Public License
  along with this program; if not, write to the Free Software
  Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA

 */

#ifndef __ITOKEN_SPEC_HH__
#define __ITOKEN_SPEC_HH__

#include <string>
#include <vector>
using namespace std;


#include "parse_util.hh"

class ITokenDesc;
class ReNode;

class ITokenSpec
{
public:

  typedef enum t_Tkinds {regular, skip, more, keyword, special} Tkinds;
  
  virtual void setClassName (const string &className) = 0;

  virtual void setInheritance (const string &inheritance,
                               const Position &pos) = 0;

  virtual void setPreambleCode (const string &preambleCode,
                                const Position &pos) = 0;

  virtual void addCodeBlock (const string &block, const Position &pos) = 0;

  /* @} */

  virtual void addToken (const string &tokName, Tkinds tokKind,
                         ReNode *regexp, const string &tokAction,
                         const Position &pos) throw (ParseException) = 0;

  virtual void addToken (const string &tokname, const Position &pos)
    throw (ParseException) = 0;

  virtual bool isToken (const string &tokName) = 0;

  virtual int getTokenId (const string &tokName) = 0;


  virtual ITokenDesc& operator [] (int tokid) = 0;

  ITokenDesc& operator [] (const string &tokName)
  {
    return (*this)[getTokenId(tokName)];
  }

  virtual int count () = 0;

  /* @} */

  virtual ~ITokenSpec () {}

#ifdef DEBUG
  
  virtual void dump (ostream &os) const = 0;
  
#endif

public:

  string className;

  CodeChunk preambleCode;

  vector<CodeChunk> userCode;

  CodeChunk inheritance;
};

class ITokenDesc
{
public:
  
  virtual const string &name() const = 0;

  virtual int id () const = 0;

  virtual ITokenSpec::Tkinds kind() const = 0;
  
  virtual const Position& pos () const = 0;

  virtual const CodeChunk& tokAction() const = 0;

#ifdef DEBUG
  
  virtual void dump (ostream &os) const = 0;
  
#endif
};


#endif /* #ifndef __ITOKEN_SPEC_HH__ */

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