explscc.hh

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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

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