00001 // Copyright (C) 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_TGBAALGOS_GTEC_EXPLSCC_HH 00023 # define SPOT_TGBAALGOS_GTEC_EXPLSCC_HH 00024 00025 #include "misc/hash.hh" 00026 #include "tgba/state.hh" 00027 #include "sccstack.hh" 00028 00029 namespace spot 00030 { 00032 class explicit_connected_component: public scc_stack::connected_component 00033 { 00034 public: 00035 virtual ~explicit_connected_component() {} 00041 virtual const state* has_state(const state* s) const = 0; 00042 00044 virtual void insert(const state* s) = 0; 00045 }; 00046 00049 class connected_component_hash_set: public explicit_connected_component 00050 { 00051 public: 00052 virtual ~connected_component_hash_set() {} 00053 virtual const state* has_state(const state* s) const; 00054 virtual void insert(const state* s); 00055 protected: 00056 typedef Sgi::hash_set<const state*, 00057 state_ptr_hash, state_ptr_equal> set_type; 00058 set_type states; 00059 }; 00060 00062 class explicit_connected_component_factory 00063 { 00064 public: 00065 virtual ~explicit_connected_component_factory() {} 00067 virtual explicit_connected_component* build() const = 0; 00068 }; 00069 00073 class connected_component_hash_set_factory : 00074 public explicit_connected_component_factory 00075 { 00076 public: 00077 virtual connected_component_hash_set* build() const; 00078 00080 static const connected_component_hash_set_factory* instance(); 00081 00082 protected: 00083 virtual ~connected_component_hash_set_factory() {} 00085 connected_component_hash_set_factory(); 00086 }; 00087 } 00088 00089 #endif // SPOT_TGBAALGOS_GTEC_EXPLSCC_HH