// This file is part of PUMA.
// Copyright (C) 1999-2003  The PUMA developer team.
//
// 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 __win_keywords_ah__
#define __win_keywords_ah__

#include "Puma/Config.h"
#include "Puma/CLexer.h"

aspect WinKeywords {

  // ----------------------------------------------------
  // extend the scanner to recognize VC++ tokens
  // ----------------------------------------------------

  static const unsigned int _config_mask_visual_c = 8;

  advice "Puma::CScanner" : slice class { bool _config_visual_c; };

  advice construction("Puma::CScanner") : after () {
    tjp->that ()->_config_visual_c = false;
  }

  advice args (config) &&
         execution("void Puma::CScanner::configure (...)"):
  after (const Puma::Config &config) {
    tjp->that()->_config_visual_c = false;
    // check whether --vc was given and potentially enable VisualC++ keywords
    if (config.Option ("--vc")) {
      tjp->that()->_config_visual_c = true;
    }
  }

  advice call ("% Puma::CLexer::instance(...)" ||
               "% Puma::CCLexer::instance(...)") &&
    within ("Puma::CScanner"): before () {
    if (tjp->that ()->_config_visual_c)
      *tjp->arg<0>() |= _config_mask_visual_c;
  }

  advice execution ("% Puma::CLexer::add_c89_keywords(...)") : after () {
    if (tjp->that ()->_config_mask & _config_mask_visual_c) {

      lexertl::rules &rules = *tjp->arg<0>();

      // C win specific keywords
      rules.push ("__int64", Puma::TOK_INT64, LID(Puma::Token::keyword_id));
      rules.push ("_cdecl", Puma::TOK_CDECL, LID(Puma::Token::keyword_id));
      rules.push ("__cdecl", Puma::TOK_CDECL_2, LID(Puma::Token::keyword_id));
      rules.push ("_stdcall", Puma::TOK_STDCALL, LID(Puma::Token::keyword_id));
      rules.push ("__stdcall", Puma::TOK_STDCALL_2, LID(Puma::Token::keyword_id));
      rules.push ("_fastcall", Puma::TOK_FASTCALL, LID(Puma::Token::keyword_id));
      rules.push ("__fastcall", Puma::TOK_FASTCALL_2, LID(Puma::Token::keyword_id));
      rules.push ("__if_exists", Puma::TOK_IF_EXISTS, LID(Puma::Token::keyword_id));
      rules.push ("__if_not_exists", Puma::TOK_IF_NOT_EXISTS, LID(Puma::Token::keyword_id));
    }
  }

};

#endif /* __win_keywords_ah__ */