spot
0.8.1
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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_EVTGBAALGOS_REACHITER_HH 00023 # define SPOT_EVTGBAALGOS_REACHITER_HH 00024 00025 #include "misc/hash.hh" 00026 #include "evtgba/evtgba.hh" 00027 #include <stack> 00028 #include <deque> 00029 00030 namespace spot 00031 { 00033 class evtgba_reachable_iterator 00034 { 00035 public: 00036 evtgba_reachable_iterator(const evtgba* a); 00037 virtual ~evtgba_reachable_iterator(); 00038 00044 void run(); 00045 00053 virtual void add_state(const state* s) = 0; 00055 virtual const state* next_state() = 0; 00057 00061 virtual void start(int n); 00063 virtual void end(); 00064 00070 virtual void process_state(const state* s, int n, evtgba_iterator* si); 00077 virtual void process_link(int in, int out, const evtgba_iterator* si); 00078 00079 protected: 00080 const evtgba* automata_; 00081 00082 typedef Sgi::hash_map<const state*, int, 00083 state_ptr_hash, state_ptr_equal> seen_map; 00084 seen_map seen; 00085 }; 00086 00089 class evtgba_reachable_iterator_depth_first: 00090 public evtgba_reachable_iterator 00091 { 00092 public: 00093 evtgba_reachable_iterator_depth_first(const evtgba* a); 00094 00095 virtual void add_state(const state* s); 00096 virtual const state* next_state(); 00097 00098 protected: 00099 std::stack<const state*> todo; 00100 }; 00101 00104 class evtgba_reachable_iterator_breadth_first: 00105 public evtgba_reachable_iterator 00106 { 00107 public: 00108 evtgba_reachable_iterator_breadth_first(const evtgba* a); 00109 00110 virtual void add_state(const state* s); 00111 virtual const state* next_state(); 00112 00113 protected: 00114 std::deque<const state*> todo; 00115 }; 00116 00117 00118 } 00119 00120 00121 #endif // SPOT_EVTGBAALGOS_REACHITER_HH