00001 // Copyright (C) 2003, 2004 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 { 00040 00043 00067 class tgba 00068 { 00069 protected: 00070 tgba(); 00071 00072 public: 00073 virtual ~tgba(); 00074 00080 virtual state* get_init_state() const = 0; 00081 00106 virtual tgba_succ_iterator* 00107 succ_iter(const state* local_state, 00108 const state* global_state = 0, 00109 const tgba* global_automaton = 0) const = 0; 00110 00124 bdd support_conditions(const state* state) const; 00125 00138 bdd support_variables(const state* state) const; 00139 00147 virtual bdd_dict* get_dict() const = 0; 00148 00153 virtual std::string format_state(const state* state) const = 0; 00154 00162 virtual std::string 00163 transition_annotation(const tgba_succ_iterator* t) const; 00164 00178 virtual state* project_state(const state* s, const tgba* t) const; 00179 00188 virtual bdd all_acceptance_conditions() const = 0; 00189 00191 virtual int number_of_acceptance_conditions() const; 00192 00203 virtual bdd neg_acceptance_conditions() const = 0; 00204 00205 protected: 00207 virtual bdd compute_support_conditions(const state* state) const = 0; 00209 virtual bdd compute_support_variables(const state* state) const = 0; 00210 private: 00211 mutable const state* last_support_conditions_input_; 00212 mutable bdd last_support_conditions_output_; 00213 mutable const state* last_support_variables_input_; 00214 mutable bdd last_support_variables_output_; 00215 mutable int num_acc_; 00216 }; 00217 00220 00223 00226 00229 00232 00235 00238 00241 } 00242 00243 #endif // SPOT_TGBA_TGBA_HH