00001 // Copyright (C) 2009 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_TGBASGBA_HH 00022 # define SPOT_TGBA_TGBASGBA_HH 00023 00024 #include "tgba.hh" 00025 #include "misc/bddlt.hh" 00026 00027 namespace spot 00028 { 00029 00037 class tgba_sgba_proxy : public tgba 00038 { 00039 public: 00040 tgba_sgba_proxy(const tgba* a, bool no_zero_acc = true); 00041 00042 virtual ~tgba_sgba_proxy(); 00043 00044 virtual state* get_init_state() const; 00045 00046 virtual tgba_succ_iterator* 00047 succ_iter(const state* local_state, 00048 const state* global_state = 0, 00049 const tgba* global_automaton = 0) const; 00050 00051 virtual bdd_dict* get_dict() const; 00052 00053 virtual std::string format_state(const state* state) const; 00054 00055 virtual bdd all_acceptance_conditions() const; 00056 virtual bdd neg_acceptance_conditions() const; 00057 00059 bdd state_acceptance_conditions(const state* state) const; 00060 protected: 00061 virtual bdd compute_support_conditions(const state* state) const; 00062 virtual bdd compute_support_variables(const state* state) const; 00063 00064 private: 00065 const tgba* a_; 00066 // If the automaton has no acceptance condition, 00067 // every state is accepting. 00068 bool emulate_acc_cond_; 00069 bdd acceptance_condition_; 00070 // Disallow copy. 00071 tgba_sgba_proxy(const tgba_sgba_proxy&); 00072 tgba_sgba_proxy& operator=(const tgba_sgba_proxy&); 00073 }; 00074 00075 } 00076 #endif // SPOT_TGBA_TGBASGBA_HH