48cde88b9b
* src/ltlast/formula.hh (formula::accepts_eword): New method. (formula::is.accepting_eword): New flag. * src/ltlast/formula.cc (print_formula_props): Display the new property. * src/ltlast/atomic_prop.cc, src/ltlast/automatop.cc, src/ltlast/binop.cc, src/ltlast/bunop.cc, src/ltlast/constant.cc, src/ltlast/multop.cc, src/ltlast/unop.cc: Update is.accepting_eword as appropriate. * src/ltltest/consterm.cc, src/tgbaalgos/ltl2tgba_fm.cc: Adjust to use accepts_eword(). * src/ltlvisit/consterm.cc, src/ltlvisit/consterm.hh: Delete. * src/ltlvisit/Makefile.am: Remove these files.
129 lines
2.9 KiB
C++
129 lines
2.9 KiB
C++
// Copyright (C) 2009, 2010 Laboratoire de Recherche et D<>veloppement
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// de l'Epita (LRDE).
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// Copyright (C) 2003, 2005 Laboratoire d'Informatique de Paris
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// 6 (LIP6), d<>partement Syst<73>mes R<>partis Coop<6F>ratifs (SRC),
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// Universit<69> Pierre 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 "constant.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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constant constant::true_instance_(constant::True);
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constant constant::false_instance_(constant::False);
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constant constant::empty_word_instance_(constant::EmptyWord);
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constant::constant(type val)
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: val_(val)
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{
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switch (val)
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{
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case constant::True:
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case constant::False:
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is.boolean = true;
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is.sugar_free_boolean = true;
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is.in_nenoform = true;
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is.X_free = true;
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is.sugar_free_ltl = true;
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is.ltl_formula = true;
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is.eltl_formula = true;
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is.psl_formula = true;
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is.eventual = true;
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is.universal = true;
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is.not_marked = true;
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is.accepting_eword = false;
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break;
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case constant::EmptyWord:
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is.boolean = false;
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is.sugar_free_boolean = false;
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is.in_nenoform = true;
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is.X_free = true;
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is.sugar_free_ltl = true;
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is.ltl_formula = false;
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is.eltl_formula = false;
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is.psl_formula = true;
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is.eventual = false;
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is.universal = false;
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is.not_marked = true;
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is.accepting_eword = true;
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break;
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}
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}
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constant::~constant()
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{
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}
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std::string
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constant::dump() const
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{
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switch (val())
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{
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case True:
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return "constant(1)";
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case False:
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return "constant(0)";
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case EmptyWord:
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return "constant(e)";
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}
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// Unreachable code.
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assert(0);
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return "BUG";
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}
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void
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constant::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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constant::accept(const_visitor& v) const
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{
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v.visit(this);
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}
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constant::type
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constant::val() const
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{
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return val_;
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}
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const char*
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constant::val_name() const
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{
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switch (val_)
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{
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case True:
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return "1";
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case False:
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return "0";
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case EmptyWord:
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return "[*0]";
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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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}
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}
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