b1bfdee870
Here are the reverted patches:8c0d1003b0,25a3114287,9afbaf6342,dc0005f4e1,543190f2bc.
78 lines
2.2 KiB
C++
78 lines
2.2 KiB
C++
// 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 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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/// \file ltlast/unop.hh
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/// \brief LTL unary operators
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#ifndef SPOT_LTLAST_UNOP_HH
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# define SPOT_LTLAST_UNOP_HH
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#include <map>
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#include "refformula.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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/// \brief Unary operators.
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/// \ingroup ltl_ast
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class unop : public ref_formula
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{
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public:
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enum type { Not, X, F, G };
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/// Build an unary operator with operation \a op and
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/// child \a child.
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static unop* instance(type op, formula* child);
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virtual void accept(visitor& v);
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virtual void accept(const_visitor& v) const;
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/// Get the sole operand of this operator.
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const formula* child() const;
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/// Get the sole operand of this operator.
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formula* child();
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/// Get the type of this operator.
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type op() const;
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/// Get the type of this operator, as a string.
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const char* op_name() const;
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/// Number of instantiated unary operators. For debugging.
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static unsigned instance_count();
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protected:
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typedef std::pair<type, formula*> pair;
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typedef std::map<pair, formula*> map;
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static map instances;
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unop(type op, formula* child);
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virtual ~unop();
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private:
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type op_;
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formula* child_;
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};
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}
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}
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#endif // SPOT_LTLAST_UNOP_HH
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