tgbasafracomplement.hh

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00001 // Copyright (C) 2009, 2010 Laboratoire de Recherche et Développement
00002 // de l'Epita (LRDE).
00003 //
00004 // This file is part of Spot, a model checking library.
00005 //
00006 // Spot is free software; you can redistribute it and/or modify it
00007 // under the terms of the GNU General Public License as published by
00008 // the Free Software Foundation; either version 2 of the License, or
00009 // (at your option) any later version.
00010 //
00011 // Spot is distributed in the hope that it will be useful, but WITHOUT
00012 // ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
00013 // or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public
00014 // License for more details.
00015 //
00016 // You should have received a copy of the GNU General Public License
00017 // along with Spot; see the file COPYING.  If not, write to the Free
00018 // Software Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA
00019 // 02111-1307, USA.
00020 
00021 #ifndef SPOT_TGBA_TGBASAFRACOMPLEMENT_HH
00022 # define SPOT_TGBA_TGBASAFRACOMPLEMENT_HH
00023 
00024 # include <vector>
00025 # include "tgba/tgba.hh"
00026 
00027 #ifndef TRANSFORM_TO_TBA
00028 # define TRANSFORM_TO_TBA 0
00029 #endif
00030 #define TRANSFORM_TO_TGBA (!TRANSFORM_TO_TBA)
00031 
00032 namespace spot
00033 {
00034   struct safra_tree_automaton;
00035 
00053   class tgba_safra_complement : public tgba
00054   {
00055   public:
00056     tgba_safra_complement(const tgba* a);
00057     virtual ~tgba_safra_complement();
00058 
00059     safra_tree_automaton* get_safra() const
00060     {
00061       return safra_;
00062     }
00063 
00064     // tgba interface.
00065     virtual state* get_init_state() const;
00066     virtual tgba_succ_iterator*
00067     succ_iter(const state* local_state,
00068               const state* global_state = 0,
00069               const tgba* global_automaton = 0) const;
00070 
00071     virtual bdd_dict* get_dict() const;
00072     virtual std::string format_state(const state* state) const;
00073     virtual bdd all_acceptance_conditions() const;
00074     virtual bdd neg_acceptance_conditions() const;
00075 
00076   protected:
00077     virtual bdd compute_support_conditions(const state* state) const;
00078     virtual bdd compute_support_variables(const state* state) const;
00079   private:
00080     const tgba* automaton_;
00081     safra_tree_automaton* safra_;
00082 #if TRANSFORM_TO_TBA
00083     bdd the_acceptance_cond_;
00084 #endif
00085 #if TRANSFORM_TO_TGBA
00086     bdd all_acceptance_cond_;
00087     bdd neg_acceptance_cond_;
00088     // Map to i the i-th acceptance condition of the final automaton.
00089     std::vector<int> acceptance_cond_vec_;
00090 #endif
00091 
00092   };
00093 
00100   void display_safra(const tgba_safra_complement* a);
00101 }
00102 
00103 #endif  // SPOT_TGBA_TGBASAFRACOMPLEMENT_HH

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