f120dd3206
* NEWS: Mention the change. * src/: Rename as ... * spot/: ... this, adjust all headers to include <spot/...> instead of "...", and adjust all Makefile.am to search headers from the top-level directory. * HACKING: Add conventions about #include. * spot/sanity/style.test: Add a few more grep to catch cases that do not follow these conventions. * .gitignore, Makefile.am, README, bench/stutter/Makefile.am, bench/stutter/stutter_invariance_formulas.cc, bench/stutter/stutter_invariance_randomgraph.cc, configure.ac, debian/rules, doc/Doxyfile.in, doc/Makefile.am, doc/org/.dir-locals.el.in, doc/org/g++wrap.in, doc/org/init.el.in, doc/org/tut01.org, doc/org/tut02.org, doc/org/tut03.org, doc/org/tut10.org, doc/org/tut20.org, doc/org/tut21.org, doc/org/tut22.org, doc/org/tut30.org, iface/ltsmin/Makefile.am, iface/ltsmin/kripke.test, iface/ltsmin/ltsmin.cc, iface/ltsmin/ltsmin.hh, iface/ltsmin/modelcheck.cc, wrap/python/Makefile.am, wrap/python/ajax/spotcgi.in, wrap/python/spot_impl.i, wrap/python/tests/ltl2tgba.py, wrap/python/tests/randgen.py, wrap/python/tests/run.in: Adjust.
54 lines
1.8 KiB
C++
54 lines
1.8 KiB
C++
// -*- coding: utf-8 -*-
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// Copyright (C) 2013 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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/// 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);
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};
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}
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