fairkripke.hh

// -*- coding: utf-8 -*-
// Copyright (C) by the Spot authors, see the AUTHORS file for details.
//
// 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 3 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 this program.  If not, see <http://www.gnu.org/licenses/>.
 
#pragma once
 
#include <spot/twa/twa.hh>
#include <spot/kripke/fwd.hh>

 
namespace spot
{
  class SPOT_API fair_kripke_succ_iterator : public twa_succ_iterator
  {
  public:
    fair_kripke_succ_iterator(const bdd& cond, acc_cond::mark_t acc_cond);
    virtual ~fair_kripke_succ_iterator();
 
    virtual bdd cond() const override;
    virtual acc_cond::mark_t acc() const override;
  protected:
    bdd cond_;
    acc_cond::mark_t acc_cond_;
  };

  class SPOT_API fair_kripke: public twa
  {
  public:
    fair_kripke(const bdd_dict_ptr& d)
      : twa(d)
      {
      }

    virtual bdd state_condition(const state* s) const = 0;

    virtual acc_cond::mark_t
      state_acceptance_mark(const state* s) const = 0;
  };
}