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bfssteps.hh
1 // -*- coding: utf-8 -*-
2 // Copyright (C) 2011, 2013 Laboratoire de Recherche et Developpement de
3 // l'Epita (LRDE).
4 // Copyright (C) 2004, 2005 Laboratoire d'Informatique de Paris 6 (LIP6),
5 // département Systèmes Répartis Coopératifs (SRC), Université Pierre
6 // et Marie Curie.
7 //
8 // This file is part of Spot, a model checking library.
9 //
10 // Spot is free software; you can redistribute it and/or modify it
11 // under the terms of the GNU General Public License as published by
12 // the Free Software Foundation; either version 3 of the License, or
13 // (at your option) any later version.
14 //
15 // Spot is distributed in the hope that it will be useful, but WITHOUT
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17 // or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public
18 // License for more details.
19 //
20 // You should have received a copy of the GNU General Public License
21 // along with this program. If not, see <http://www.gnu.org/licenses/>.
22 
23 #ifndef SPOT_TGBAALGOS_BFSSTEPS_HH
24 # define SPOT_TGBAALGOS_BFSSTEPS_HH
25 
26 #include <map>
27 #include "tgba/state.hh"
28 #include "emptiness.hh"
29 
30 namespace spot
31 {
42  class SPOT_API bfs_steps
43  {
44  public:
45  bfs_steps(const tgba* a);
46  virtual ~bfs_steps();
47 
53  const state* search(const state* start, tgba_run::steps& l);
54 
71  virtual const state* filter(const state* s) = 0;
72 
87  virtual bool match(tgba_run::step& step, const state* dest) = 0;
88 
95  virtual void finalize(const std::map<const state*, tgba_run::step,
96  state_ptr_less_than>& father,
97  const tgba_run::step& s,
98  const state* start,
99  tgba_run::steps& l);
100 
101  protected:
102  const tgba* a_;
103  };
104 
105 
106 }
107 
108 #endif // SPOT_TGBAALGOS_BFSSTEPS_HH

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