spot  0.9.1
multop.hh
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00001 // Copyright (C) 2009, 2010, 2011, 2012 Laboratoire de Recherche et
00002 // Développement de l'Epita (LRDE).
00003 // Copyright (C) 2003, 2004 Laboratoire d'Informatique de Paris
00004 // 6 (LIP6), département Systèmes Répartis Coopératifs (SRC),
00005 // Université Pierre et Marie Curie.
00006 //
00007 // This file is part of Spot, a model checking library.
00008 //
00009 // Spot is free software; you can redistribute it and/or modify it
00010 // under the terms of the GNU General Public License as published by
00011 // the Free Software Foundation; either version 2 of the License, or
00012 // (at your option) any later version.
00013 //
00014 // Spot is distributed in the hope that it will be useful, but WITHOUT
00015 // ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
00016 // or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public
00017 // License for more details.
00018 //
00019 // You should have received a copy of the GNU General Public License
00020 // along with Spot; see the file COPYING.  If not, write to the Free
00021 // Software Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA
00022 // 02111-1307, USA.
00023 
00026 #ifndef SPOT_LTLAST_MULTOP_HH
00027 # define SPOT_LTLAST_MULTOP_HH
00028 
00029 #include <vector>
00030 #include <map>
00031 #include <iosfwd>
00032 #include "refformula.hh"
00033 
00034 namespace spot
00035 {
00036   namespace ltl
00037   {
00038 
00041     class multop : public ref_formula
00042     {
00043     public:
00044       enum type { Or, OrRat, And, AndRat, AndNLM, Concat, Fusion };
00045 
00047       typedef std::vector<const formula*> vec;
00048 
00060       static const formula*
00061       instance(type op, const formula* first, const formula* second);
00062 
00124       static const formula* instance(type op, vec* v);
00125 
00126       virtual void accept(visitor& v) const;
00127 
00129       unsigned size() const;
00133       const formula* nth(unsigned n) const;
00134 
00140       const formula* all_but(unsigned n) const;
00141 
00143       type op() const;
00145       const char* op_name() const;
00146 
00148       virtual std::string dump() const;
00149 
00151       static unsigned instance_count();
00152 
00154       static std::ostream& dump_instances(std::ostream& os);
00155 
00156     protected:
00157       typedef std::pair<type, vec*> pair;
00159       struct paircmp
00160       {
00161         bool
00162         operator () (const pair& p1, const pair& p2) const
00163         {
00164           if (p1.first != p2.first)
00165             return p1.first < p2.first;
00166           return *p1.second < *p2.second;
00167         }
00168       };
00169       typedef std::map<pair, const multop*, paircmp> map;
00170       static map instances;
00171 
00172       multop(type op, vec* v);
00173       virtual ~multop();
00174 
00175     private:
00176       type op_;
00177       vec* children_;
00178     };
00179 
00180 
00185     inline
00186     const multop*
00187     is_multop(const formula* f)
00188     {
00189       if (f->kind() != formula::MultOp)
00190         return 0;
00191       return static_cast<const multop*>(f);
00192     }
00193 
00198     inline
00199     const multop*
00200     is_multop(const formula* f, multop::type op)
00201     {
00202       if (const multop* mo = is_multop(f))
00203         if (mo->op() == op)
00204           return mo;
00205       return 0;
00206     }
00207 
00212     inline
00213     const multop*
00214     is_multop(const formula* f, multop::type op1, multop::type op2)
00215     {
00216       if (const multop* mo = is_multop(f))
00217         if (mo->op() == op1 || mo->op() == op2)
00218           return mo;
00219       return 0;
00220     }
00221 
00225     inline
00226     const multop*
00227     is_And(const formula* f)
00228     {
00229       return is_multop(f, multop::And);
00230     }
00231 
00235     inline
00236     const multop*
00237     is_AndRat(const formula* f)
00238     {
00239       return is_multop(f, multop::AndRat);
00240     }
00241 
00245     inline
00246     const multop*
00247     is_AndNLM(const formula* f)
00248     {
00249       return is_multop(f, multop::AndNLM);
00250     }
00251 
00255     inline
00256     const multop*
00257     is_Or(const formula* f)
00258     {
00259       return is_multop(f, multop::Or);
00260     }
00261 
00265     inline
00266     const multop*
00267     is_OrRat(const formula* f)
00268     {
00269       return is_multop(f, multop::OrRat);
00270     }
00271 
00275     inline
00276     const multop*
00277     is_Concat(const formula* f)
00278     {
00279       return is_multop(f, multop::Concat);
00280     }
00281 
00285     inline
00286     const multop*
00287     is_Fusion(const formula* f)
00288     {
00289       return is_multop(f, multop::Fusion);
00290     }
00291   }
00292 }
00293 
00294 #endif // SPOT_LTLAST_MULTOP_HH

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