b408827110
* spot/tl/contain.cc, spot/tl/contain.hh: Simplify the use of language_containment_checker by adding default argument. * python/spot/__init__.py, python/spot/impl.i: Bind it in Python. * doc/org/tut04.org: New file to illustrate it. * doc/org/tut.org, doc/Makefile.am: Add it. * NEWS: Mention those changes.
80 lines
2.6 KiB
C++
80 lines
2.6 KiB
C++
// -*- coding: utf-8 -*-
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// Copyright (C) 2011, 2012, 2013, 2014, 2015, 2016 Laboratoire de Recherche
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// et Développement de l'Epita (LRDE).
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// Copyright (C) 2006 Laboratoire d'Informatique de Paris 6 (LIP6),
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// département Systèmes Répartis Coopératifs (SRC), Université Pierre
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// et Marie Curie.
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//
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// This file is part of Spot, a model checking library.
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//
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// Spot is free software; you can redistribute it and/or modify it
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// under the terms of the GNU General Public License as published by
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// the Free Software Foundation; either version 3 of the License, or
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// (at your option) any later version.
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//
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// Spot is distributed in the hope that it will be useful, but WITHOUT
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// ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
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// or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public
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// License for more details.
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//
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// You should have received a copy of the GNU General Public License
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// along with this program. If not, see <http://www.gnu.org/licenses/>.
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#pragma once
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#include <spot/tl/formula.hh>
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#include <spot/twaalgos/ltl2tgba_fm.hh>
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#include <spot/misc/hash.hh>
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#include <map>
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namespace spot
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{
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/// Check containment between LTL formulae.
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class SPOT_API language_containment_checker
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{
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struct record_
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{
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const_twa_graph_ptr translation;
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typedef std::map<const record_*, bool> incomp_map;
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incomp_map incompatible;
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};
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typedef std::unordered_map<formula, record_> trans_map;
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public:
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/// This class uses spot::ltl_to_tgba_fm to translate LTL
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/// formulae. See that function for the meaning of these options.
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language_containment_checker(bdd_dict_ptr dict = make_bdd_dict(),
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bool exprop = false,
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bool symb_merge = true,
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bool branching_postponement = false,
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bool fair_loop_approx = false);
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~language_containment_checker();
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/// Clear the cache.
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void clear();
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/// Check whether L(l) is a subset of L(g).
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bool contained(formula l, formula g);
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/// Check whether L(!l) is a subset of L(g).
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bool neg_contained(formula l, formula g);
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/// Check whether L(l) is a subset of L(!g).
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bool contained_neg(formula l, formula g);
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/// Check whether L(l) = L(g).
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bool equal(formula l, formula g);
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protected:
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bool incompatible_(record_* l, record_* g);
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record_* register_formula_(formula f);
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/* Translation options */
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bdd_dict_ptr dict_;
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bool exprop_;
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bool symb_merge_;
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bool branching_postponement_;
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bool fair_loop_approx_;
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/* Translation Maps */
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trans_map translated_;
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};
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}
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