389ef16b1b
* spot/kripke/kripkegraph.hh, spot/priv/bddalloc.hh, spot/priv/freelist.hh, spot/priv/satcommon.hh, spot/ta/taexplicit.cc spot/twa/bdddict.cc, spot/twa/twagraph.hh, spot/twaalgos/alternation.hh, spot/twaalgos/dtwasat.cc, spot/twaalgos/ltl2taa.cc, spot/twaalgos/stutter.cc, tests/core/ngraph.cc: Add default constructors, copy constructors, or remove useless destructors.
67 lines
2 KiB
C++
67 lines
2 KiB
C++
// -*- coding: utf-8 -*-
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// Copyright (C) 2013, 2016, 2018 Laboratoire de Recherche et Développement
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// de l'Epita (LRDE).
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// Copyright (C) 2003, 2004 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/priv/freelist.hh"
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#include <list>
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#include <utility>
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namespace spot
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{
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/// \ingroup misc_tools
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/// \brief Manage ranges of variables.
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class bdd_allocator: private free_list
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{
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public:
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/// Default constructor.
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bdd_allocator();
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bdd_allocator(const bdd_allocator& other)
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: free_list(other), lvarnum(other.lvarnum)
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{
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}
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bdd_allocator& operator=(const bdd_allocator& other)
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{
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free_list::operator=(other);
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lvarnum = other.lvarnum;
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return *this;
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}
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/// Initialize the BDD library.
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static void initialize();
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/// Allocate \a n BDD variables.
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int allocate_variables(int n);
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/// Release \a n BDD variables starting at \a base.
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void release_variables(int base, int n);
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using free_list::dump_free_list;
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protected:
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static bool initialized; ///< Whether the BDD library has been initialized.
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int lvarnum; ///< number of variables in use in this allocator.
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private:
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/// Require more variables.
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void extvarnum(int more);
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virtual int extend(int n) override;
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};
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}
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