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visitor.hh

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00001 // Copyright (C) 2003, 2004, 2005  Laboratoire d'Informatique de Paris 6 (LIP6),
00002 // département Systèmes Répartis Coopératifs (SRC), Université Pierre
00003 // et Marie Curie.
00004 //
00005 // This file is part of Spot, a model checking library.
00006 //
00007 // Spot is free software; you can redistribute it and/or modify it
00008 // under the terms of the GNU General Public License as published by
00009 // the Free Software Foundation; either version 2 of the License, or
00010 // (at your option) any later version.
00011 //
00012 // Spot is distributed in the hope that it will be useful, but WITHOUT
00013 // ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
00014 // or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public
00015 // License for more details.
00016 //
00017 // You should have received a copy of the GNU General Public License
00018 // along with Spot; see the file COPYING.  If not, write to the Free
00019 // Software Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA
00020 // 02111-1307, USA.
00021 
00024 #ifndef SPOT_LTLAST_VISITOR_HH
00025 # define SPOT_LTLAST_VISITOR_HH
00026 
00027 #include "predecl.hh"
00028 
00029 namespace spot
00030 {
00031   namespace ltl
00032   {
00042     struct visitor
00043     {
00044       virtual ~visitor() {}
00045       virtual void visit(atomic_prop* node) = 0;
00046       virtual void visit(constant* node) = 0;
00047       virtual void visit(binop* node) = 0;
00048       virtual void visit(unop* node) = 0;
00049       virtual void visit(multop* node) = 0;
00050     };
00051 
00060     struct const_visitor
00061     {
00062       virtual ~const_visitor() {}
00063       virtual void visit(const atomic_prop* node) = 0;
00064       virtual void visit(const constant* node) = 0;
00065       virtual void visit(const binop* node) = 0;
00066       virtual void visit(const unop* node) = 0;
00067       virtual void visit(const multop* node) = 0;
00068     };
00069 
00070 
00071   }
00072 }
00073 
00074 #endif // SPOT_LTLAST_VISITOR_HH

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