b1bfdee870
Here are the reverted patches:8c0d1003b0,25a3114287,9afbaf6342,dc0005f4e1,543190f2bc.
119 lines
2.4 KiB
C++
119 lines
2.4 KiB
C++
// Copyright (C) 2003, 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 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 "unop.hh"
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#include "visitor.hh"
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#include <cassert>
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namespace spot
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{
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namespace ltl
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{
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unop::unop(type op, formula* child)
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: op_(op), child_(child)
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{
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dump_ = "unop(";
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dump_ += op_name();
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dump_ += ", " + child->dump() + ")";
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set_key_();
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}
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unop::~unop()
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{
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// Get this instance out of the instance map.
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pair p(op(), child());
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map::iterator i = instances.find(p);
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assert (i != instances.end());
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instances.erase(i);
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}
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void
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unop::accept(visitor& v)
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{
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v.visit(this);
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}
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void
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unop::accept(const_visitor& v) const
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{
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v.visit(this);
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}
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const formula*
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unop::child() const
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{
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return child_;
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}
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formula*
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unop::child()
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{
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return child_;
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}
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unop::type
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unop::op() const
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{
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return op_;
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}
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const char*
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unop::op_name() const
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{
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switch (op_)
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{
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case Not:
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return "Not";
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case X:
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return "X";
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case F:
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return "F";
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case G:
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return "G";
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}
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// Unreachable code.
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assert(0);
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return 0;
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}
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unop::map unop::instances;
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unop*
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unop::instance(type op, formula* child)
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{
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pair p(op, child);
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map::iterator i = instances.find(p);
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if (i != instances.end())
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{
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return static_cast<unop*>(i->second->ref());
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}
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unop* ap = new unop(op, child);
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instances[p] = ap;
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return static_cast<unop*>(ap->ref());
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}
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unsigned
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unop::instance_count()
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{
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return instances.size();
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}
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}
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}
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