Main Page | Namespace List | Class Hierarchy | Class List | File List | Namespace Members | Class Members

tgbaalgos/reachiter.hh

Go to the documentation of this file.
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_TGBAALGOS_REACHITER_HH
00023 # define SPOT_TGBAALGOS_REACHITER_HH
00024 
00025 #include <map>
00026 #include "tgba/tgba.hh"
00027 #include <stack>
00028 #include <deque>
00029 
00030 namespace spot
00031 {
00033   class tgba_reachable_iterator
00034   {
00035   public:
00036     tgba_reachable_iterator(const tgba* a);
00037     virtual ~tgba_reachable_iterator();
00038 
00044     void run();
00045 
00053     virtual void add_state(const state* s) = 0;
00055     virtual const state* next_state() = 0;
00057 
00059     virtual void start();
00061     virtual void end();
00062 
00068     virtual void process_state(const state* s, int n, tgba_succ_iterator* si);
00075     virtual void process_link(int in, int out, const tgba_succ_iterator* si);
00076 
00077   protected:
00078     const tgba* automata_;      
00079 
00080     typedef Sgi::hash_map<const state*, int,
00081                           state_ptr_hash, state_ptr_equal> seen_map;
00082     seen_map seen;              
00083   };
00084 
00087   class tgba_reachable_iterator_depth_first : public tgba_reachable_iterator
00088   {
00089   public:
00090     tgba_reachable_iterator_depth_first(const tgba* a);
00091 
00092     virtual void add_state(const state* s);
00093     virtual const state* next_state();
00094 
00095   protected:
00096     std::stack<const state*> todo; 
00097   };
00098 
00101   class tgba_reachable_iterator_breadth_first : public tgba_reachable_iterator
00102   {
00103   public:
00104     tgba_reachable_iterator_breadth_first(const tgba* a);
00105 
00106     virtual void add_state(const state* s);
00107     virtual const state* next_state();
00108 
00109   protected:
00110     std::deque<const state*> todo; 
00111   };
00112 
00113 
00114 }
00115 
00116 
00117 #endif // SPOT_TGBAALGOS_REACHITER_HH

Generated on Tue Jan 13 18:18:21 2004 for spot by doxygen 1.3.5