4f1535c8fe
* src/ltlenv/defaultenv.hh, src/ltlenv/defaultenv.cc (require): Return an atomic_prop*, not a formula*. * src/bin/randaut.cc, src/bin/randltl.cc, src/ltlvisit/apcollect.cc, src/tgbatest/ltl2tgba.cc, src/tgbatest/randtgba.cc: Do not cast the return of require().
57 lines
1.8 KiB
C++
57 lines
1.8 KiB
C++
// -*- coding: utf-8 -*-
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// Copyright (C) 2012, 2013, 2014 Laboratoire de Recherche et Développement
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// de l'Epita (LRDE).
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// Copyright (C) 2003, 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 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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#ifndef SPOT_LTLENV_DEFAULTENV_HH
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# define SPOT_LTLENV_DEFAULTENV_HH
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# include "environment.hh"
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# include "ltlast/atomic_prop.hh"
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namespace spot
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{
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namespace ltl
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{
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/// \ingroup ltl_environment
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/// \brief A laxist environment.
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///
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/// This environment recognizes all atomic propositions.
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///
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/// This is a singleton. Use default_environment::instance()
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/// to obtain the instance.
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class SPOT_API default_environment : public environment
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{
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public:
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virtual ~default_environment();
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virtual const atomic_prop* require(const std::string& prop_str);
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virtual const std::string& name() const;
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/// Get the sole instance of spot::ltl::default_environment.
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static default_environment& instance();
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protected:
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default_environment();
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};
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}
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}
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#endif // SPOT_LTLENV_DEFAULTENV_HH
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