fairkripke.hh

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00001 // Copyright (C) 2009 Laboratoire de Recherche et Developpement de l'Epita
00002 //
00003 // This file is part of Spot, a model checking library.
00004 //
00005 // Spot is free software; you can redistribute it and/or modify it
00006 // under the terms of the GNU General Public License as published by
00007 // the Free Software Foundation; either version 2 of the License, or
00008 // (at your option) any later version.
00009 //
00010 // Spot is distributed in the hope that it will be useful, but WITHOUT
00011 // ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
00012 // or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public
00013 // License for more details.
00014 //
00015 // You should have received a copy of the GNU General Public License
00016 // along with Spot; see the file COPYING.  If not, write to the Free
00017 // Software Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA
00018 // 02111-1307, USA.
00019 
00020 #ifndef SPOT_KRIPKE_FAIRKRIPKE_HH
00021 # define SPOT_KRIPKE_FAIRKRIPKE_HH
00022 
00023 #include "tgba/tgba.hh"
00024 #include "tgba/succiter.hh"
00025 
00026 namespace spot
00027 {
00028   class fair_kripke;
00029 
00030   class fair_kripke_succ_iterator : public tgba_succ_iterator
00031   {
00032   public:
00033     fair_kripke_succ_iterator(const fair_kripke* aut, const state* st);
00034     virtual ~fair_kripke_succ_iterator();
00035 
00036     virtual bdd current_conditions() const;
00037     virtual bdd current_acceptance_conditions() const;
00038   protected:
00039     bdd cond;
00040     bdd acc_cond;
00041   };
00042 
00043   class fair_kripke : public tgba
00044   {
00045   public:
00046     virtual bdd conditions_of_state(const state* s) const = 0;
00047     virtual bdd acceptance_conditions_of_state(const state* s) const = 0;
00048     virtual fair_kripke_succ_iterator* kripke_succ_iter(const state* s) = 0;
00049 
00050     virtual fair_kripke_succ_iterator*
00051     succ_iter(const state* local_state,
00052               const state* global_state = 0,
00053               const tgba* global_automaton = 0);
00054   protected:
00055     virtual bdd compute_support_conditions(const state* s) const;
00056     virtual bdd compute_support_variables(const state* s) const;
00057   };
00058 
00059 }
00060 
00061 
00062 #endif // SPOT_KRIPKE_FAIRKRIPKE_HH

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