spot 2.2.2

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word.hh
1 // -*- coding: utf-8 -*-
2 // Copyright (C) 2013, 2014, 2015, 2016 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
36 struct SPOT_API twa_word final
37 {
38 twa_word(const bdd_dict_ptr& dict);
39 twa_word(const twa_run_ptr& run);
40 ~twa_word()
41 {
42 dict_->unregister_all_my_variables(this);
43 }
44
65 void simplify();
66
67 typedef std::list<bdd> seq_t;
68 seq_t prefix;
69 seq_t cycle;
70
71 bdd_dict_ptr get_dict() const
72 {
73 return dict_;
74 }
75
79 twa_graph_ptr as_automaton() const;
80
91 SPOT_API
92 friend std::ostream& operator<<(std::ostream& os, const twa_word& w);
93 private:
94 bdd_dict_ptr dict_;
95 };
96
97 typedef std::shared_ptr<twa_word> twa_word_ptr;
98
104 inline twa_word_ptr make_twa_word(const bdd_dict_ptr& dict)
105 {
106 return std::make_shared<twa_word>(dict);
107 }
108
110 inline twa_word_ptr make_twa_word(const twa_run_ptr& run)
111 {
112 return std::make_shared<twa_word>(run);
113 }
114
126 SPOT_API
127 twa_word_ptr parse_word(const std::string& word, const bdd_dict_ptr& dict);
128 }
spot
Definition: graph.hh:32
spot::twa_word
An infinite word stored as a lasso.
Definition: word.hh:36

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