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token_spec.cc

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/*
 *  File:       token_spec.cc
 *              $Id: token_spec.cc,v 1.3 2002/06/13 11:42:47 alec Exp $
 *
 *  Author:     Alec Panoviciu (alecu@email.com)
 *
 *  Comments:
 *
 *  Revision history:
 *
 *  $Log: token_spec.cc,v $
 *  Revision 1.3  2002/06/13 11:42:47  alec
 *  added #line stuff
 *
 *  Revision 1.2  2002/05/10 07:15:10  alec
 *  parser parse tree ok
 *
 *  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

 */

#include <algorithm>

#include "debug.h"
#include "parse_util.hh"
#include "token_spec.hh"
#include "re_node.hh"

void TokenSpec::setClassName (const string &className_)
{
  className = className_;
}


void TokenSpec::setInheritance (const string &inheritance_,
                                const Position &pos)
{
  inheritance.pos = pos;
  inheritance.code = inheritance_;
}


void TokenSpec::setPreambleCode (const string &preambleCode_,
                                 const Position &pos)
{
  preambleCode.pos = pos;
  preambleCode.code = preambleCode_;
}


void TokenSpec::addCodeBlock (const string &block, const Position &pos)
{
  userCode.push_back(CodeChunk(pos, block));
}

void TokenSpec::addToken (const string &tokName, Tkinds tokKind,
                          ReNode *regexp, const string &tokAction,
                          const Position &pos) throw (ParseException)
{
  if (isToken(tokName))
    throw ParseException(pos, string("Duplicate token name ") + tokName +
                         ".");
  tokens.push_back(TokenDesc(tokName, tokens.size(), tokKind, regexp,
                             tokAction, pos));
}


void TokenSpec::addToken (const string &tokName, const Position &pos)
  throw (ParseException)
{
  if (isToken(tokName))
    throw ParseException(pos, string("Duplicate token name ") + tokName +
                         ".");
  tokens.push_back(TokenDesc(tokName, tokens.size(), pos));
}


bool operator == (const TokenDesc &t, const string &s)
{
  return t.name() == s;
}

bool TokenSpec::isToken (const string &tokName)
{
  return find(tokens.begin(), tokens.end(), tokName) != tokens.end();
}


int TokenSpec::getTokenId (const string &tokName)
{
  vector<TokenDesc>::iterator i = find(tokens.begin(), tokens.end(), tokName);

  if (i == tokens.end()) return -1;
  else return (*i).id();
}


TokenDesc& TokenSpec::operator [] (int tokId)
{
  ASSERT((0 <= tokId) && (tokId < tokens.size()), "Bad index in TokenSpec::operator[]");
  return tokens[tokId];
}


int TokenSpec::count ()
{
  return tokens.size();
}


#ifdef DEBUG


void TokenSpec::dump (ostream &os) const
{
  
}

void TokenDesc::dump (ostream &os) const
{
  static char *kindNames[] = {"regular", "skip", "more", "keyword", "special"};
  os << "Token: " << _name << "(" << kindNames[_kind] << ") @ " <<
    _pos.ln << ":" << _pos.col << endl;

  if (_kind != ITokenSpec::special) _regexp->dump(os);
}

#endif

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