74 lines
1.6 KiB
C++
74 lines
1.6 KiB
C++
// Copyright (C) 2003, 2005, 2009 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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#include "formula.hh"
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#include "misc/hash.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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formula*
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formula::clone() const
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{
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const_cast<formula*>(this)->ref_();
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return const_cast<formula*>(this);
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}
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formula::~formula()
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{
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}
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void
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formula::destroy(formula* f)
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{
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if (f->unref_())
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delete f;
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}
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void
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formula::ref_()
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{
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// Not reference counted by default.
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}
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bool
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formula::unref_()
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{
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// Not reference counted by default.
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return false;
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}
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const std::string&
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formula::dump() const
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{
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return dump_;
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}
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void
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formula::set_key_()
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{
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string_hash sh;
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hash_key_ = sh(dump_);
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}
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}
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}
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