bfssteps.hh 1.37 KB
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// Copyright (C) 2004  Laboratoire d'Informatique de Paris 6 (LIP6),
// département Systèmes Répartis Coopératifs (SRC), Université Pierre
// et Marie Curie.
//
// This file is part of Spot, a model checking library.
//
// Spot 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.
//
// Spot 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 Spot; see the file COPYING.  If not, write to the Free
// Software Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA
// 02111-1307, USA.

#ifndef SPOT_TGBAALGOS_BFSSTEPS_HH
# define SPOT_TGBAALGOS_BFSSTEPS_HH

#include "emptiness.hh"

namespace spot
{
  class bfs_steps
  {
  public:
    bfs_steps(const tgba* a);
    virtual ~bfs_steps();
    const state* search(const state* start, tgba_run::steps& l);
    virtual const state* filter(const state* s) = 0;
    virtual bool match(tgba_run::step& step, const state* dest) = 0;
  protected:
    const tgba* a_;
  };

}

#endif // SPOT_TGBAALGOS_BFSSTEPS_HH