spot 2.11.2.dev
word.hh
1// -*- coding: utf-8 -*-
2// Copyright (C) 2013, 2014, 2015, 2016, 2018, 2019 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
24namespace spot
25{
34 struct SPOT_API twa_word final
35 {
36 twa_word(const bdd_dict_ptr& dict) noexcept;
37 twa_word(const twa_run_ptr& run) noexcept;
38 ~twa_word()
39 {
40 dict_->unregister_all_my_variables(this);
41 }
42
63 void simplify();
64
70 void use_all_aps(bdd aps, bool positive = false);
71
72 typedef std::list<bdd> seq_t;
73 seq_t prefix;
74 seq_t cycle;
75
76 bdd_dict_ptr get_dict() const
77 {
78 return dict_;
79 }
80
84 twa_graph_ptr as_automaton() const;
85
96 SPOT_API
97 friend std::ostream& operator<<(std::ostream& os, const twa_word& w);
98 private:
99 bdd_dict_ptr dict_;
100 };
101
102 typedef std::shared_ptr<twa_word> twa_word_ptr;
103
109 inline twa_word_ptr make_twa_word(const bdd_dict_ptr& dict)
110 {
111 return std::make_shared<twa_word>(dict);
112 }
113
115 inline twa_word_ptr make_twa_word(const twa_run_ptr& run)
116 {
117 return std::make_shared<twa_word>(run);
118 }
119
131 SPOT_API
132 twa_word_ptr parse_word(const std::string& word, const bdd_dict_ptr& dict);
133}
Definition: automata.hh:27
twa_word_ptr parse_word(const std::string &word, const bdd_dict_ptr &dict)
Parse a twa_word.
twa_word_ptr make_twa_word(const bdd_dict_ptr &dict)
Create an empty twa_word.
Definition: word.hh:109
An infinite word stored as a lasso.
Definition: word.hh:35
twa_graph_ptr as_automaton() const
Convert the twa_word as an automaton.
friend std::ostream & operator<<(std::ostream &os, const twa_word &w)
Print a twa_word.
void use_all_aps(bdd aps, bool positive=false)
Use all atomic proposition.
void simplify()
Simplify a lasso-shapped word.

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