103 lines
2.4 KiB
C++
103 lines
2.4 KiB
C++
// Copyright (C) 2008 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 "eltlast/automatop.hh"
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#include "clone.hh"
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#include "destroy.hh"
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namespace spot
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{
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namespace eltl
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{
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clone_visitor::clone_visitor()
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{
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}
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clone_visitor::~clone_visitor()
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{
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}
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formula*
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clone_visitor::result() const
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{
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return result_;
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}
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void
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clone_visitor::visit(atomic_prop* ap)
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{
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result_ = ap->ref();
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}
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void
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clone_visitor::visit(constant* c)
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{
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result_ = c->ref();
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}
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void
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clone_visitor::visit(unop* uo)
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{
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result_ = unop::instance(uo->op(), recurse(uo->child()));
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}
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void
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clone_visitor::visit(binop* bo)
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{
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result_ = binop::instance(bo->op(),
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recurse(bo->first()), recurse(bo->second()));
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}
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void
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clone_visitor::visit(multop* mo)
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{
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multop::vec* res = new multop::vec;
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unsigned mos = mo->size();
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for (unsigned i = 0; i < mos; ++i)
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res->push_back(recurse(mo->nth(i)));
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result_ = multop::instance(mo->op(), res);
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}
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formula*
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clone_visitor::recurse(formula* f)
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{
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return clone(f);
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}
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void
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clone_visitor::visit(automatop* ao)
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{
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automatop::vec* res = new automatop::vec;
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for (unsigned i = 0; i < ao->size(); ++i)
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res->push_back(recurse(ao->nth(i)));
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result_ = automatop::instance(res);
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// FIXME: nfa clone !
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}
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formula*
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clone(const formula* f)
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{
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clone_visitor v;
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const_cast<formula*>(f)->accept(v);
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return v.result();
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}
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}
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}
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