spot  1.99.8
word.hh
1 // -*- coding: utf-8 -*-
2 // Copyright (C) 2013, 2014, 2015 Laboratoire de Recherche et
3 // Développement de l'Epita (LRDE).
4 //
5 // This file is part of Spot, a model checking library.
6 //
7 // Spot is free software; you can redistribute it and/or modify it
8 // under the terms of the GNU General Public License as published by
9 // the Free Software Foundation; either version 3 of the License, or
10 // (at your option) any later version.
11 //
12 // Spot is distributed in the hope that it will be useful, but WITHOUT
13 // ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
14 // or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public
15 // License for more details.
16 //
17 // You should have received a copy of the GNU General Public License
18 // along with this program. If not, see <http://www.gnu.org/licenses/>.
19 
20 #pragma once
21 
22 #include <spot/twaalgos/emptiness.hh>
23 
24 namespace spot
25 {
26  class bdd_dict;
27 
29  struct SPOT_API twa_word final
30  {
31  twa_word(const twa_run_ptr run);
32  ~twa_word()
33  {
34  dict_->unregister_all_my_variables(this);
35  }
36 
37  void simplify();
38 
39  typedef std::list<bdd> seq_t;
40  seq_t prefix;
41  seq_t cycle;
42 
43  bdd_dict_ptr get_dict() const
44  {
45  return dict_;
46  }
47 
48  SPOT_API
49  friend std::ostream& operator<<(std::ostream& os, const twa_word& w);
50  private:
51  bdd_dict_ptr dict_;
52  };
53 
54 }
Definition: graph.hh:32
An infinite word stored as a lasso.
Definition: word.hh:29

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