20c3f9f8ba
* src/ltlvisit/apcollect.cc, src/ltlvisit/apcollect.hh: Add a version that builds a BDD. * src/tgbatest/ltl2tgba.cc: Use it.
67 lines
2.3 KiB
C++
67 lines
2.3 KiB
C++
// -*- coding: utf-8 -*-
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// Copyright (C) 2012 Laboratoire de Recherche et Développement
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// de l'Epita (LRDE).
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// Copyright (C) 2004, 2005 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 2 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 Spot; see the file COPYING. If not, write to the Free
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// Software Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA
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// 02111-1307, USA.
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#ifndef SPOT_LTLVISIT_APCOLLECT_HH
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# define SPOT_LTLVISIT_APCOLLECT_HH
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#include <set>
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#include "ltlast/atomic_prop.hh"
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#include "bdd.h"
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namespace spot
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{
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class tgba;
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namespace ltl
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{
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/// \addtogroup ltl_misc
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/// @{
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/// Set of atomic propositions.
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typedef std::set<const atomic_prop*,
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formula_ptr_less_than> atomic_prop_set;
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/// \brief Return the set of atomic propositions occurring in a formula.
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///
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/// \param f the formula to inspect
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/// \param s an existing set to fill with atomic_propositions discovered,
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/// or 0 if the set should be allocated by the function.
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/// \return A pointer to the supplied set, \c s, augmented with
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/// atomic propositions occurring in \c f; or a newly allocated
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/// set containing all these atomic propositions if \c s is 0.
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atomic_prop_set*
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atomic_prop_collect(const formula* f, atomic_prop_set* s = 0);
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/// \brief Return the set of atomic propositions occurring in a formula, as a BDD.
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///
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/// \param f the formula to inspect
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/// \param a that automaton that should register the BDD variables used.
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/// \return A conjunction the atomic propositions.
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bdd
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atomic_prop_collect_as_bdd(const formula* f, tgba* a);
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/// @}
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}
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}
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#endif
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