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tgba/tgba.hh

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00001 // Copyright (C) 2003  Laboratoire d'Informatique de Paris 6 (LIP6),
00002 // département Systèmes Répartis Coopératifs (SRC), Université Pierre
00003 // et Marie Curie.
00004 //
00005 // This file is part of Spot, a model checking library.
00006 //
00007 // Spot is free software; you can redistribute it and/or modify it
00008 // under the terms of the GNU General Public License as published by
00009 // the Free Software Foundation; either version 2 of the License, or
00010 // (at your option) any later version.
00011 //
00012 // Spot is distributed in the hope that it will be useful, but WITHOUT
00013 // ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
00014 // or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public
00015 // License for more details.
00016 //
00017 // You should have received a copy of the GNU General Public License
00018 // along with Spot; see the file COPYING.  If not, write to the Free
00019 // Software Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA
00020 // 02111-1307, USA.
00021 
00022 #ifndef SPOT_TGBA_TGBA_HH
00023 # define SPOT_TGBA_TGBA_HH
00024 
00025 #include "state.hh"
00026 #include "succiter.hh"
00027 #include "bdddict.hh"
00028 
00029 namespace spot
00030 {
00053   class tgba
00054   {
00055   protected:
00056     tgba();
00057 
00058   public:
00059     virtual ~tgba();
00060 
00066     virtual state* get_init_state() const = 0;
00067 
00092     virtual tgba_succ_iterator*
00093     succ_iter(const state* local_state,
00094               const state* global_state = 0,
00095               const tgba* global_automaton = 0) const = 0;
00096 
00110     bdd support_conditions(const state* state) const;
00111 
00124     bdd support_variables(const state* state) const;
00125 
00133     virtual bdd_dict* get_dict() const = 0;
00134 
00139     virtual std::string format_state(const state* state) const = 0;
00140 
00154     virtual state* project_state(const state* s, const tgba* t) const;
00155 
00164     virtual bdd all_acceptance_conditions() const = 0;
00165 
00176     virtual bdd neg_acceptance_conditions() const = 0;
00177 
00178   protected:
00180     virtual bdd compute_support_conditions(const state* state) const = 0;
00182     virtual bdd compute_support_variables(const state* state) const = 0;
00183   private:
00184     mutable const state* last_support_conditions_input_;
00185     mutable bdd last_support_conditions_output_;
00186     mutable const state* last_support_variables_input_;
00187     mutable bdd last_support_variables_output_;
00188   };
00189 
00190 }
00191 
00192 #endif // SPOT_TGBA_TGBA_HH

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