642c2b1a71
a new tgba_scc class. * src/tgba/futurecondcol.cc, src/tgba/futurecondcol.hh: Move all delegation functions and scc_map into ... * src/tgba/tgbascc.cc, src/tgba/tgbascc.hh: ... these new files.
84 lines
2.9 KiB
C++
84 lines
2.9 KiB
C++
// Copyright (C) 2009 Laboratoire de recherche et développement de l'Epita.
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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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#ifndef SPOT_TGBA_TGBASCC_HH
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# define SPOT_TGBA_TGBASCC_HH
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#include "tgba.hh"
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#include "tgbaalgos/scc.hh"
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namespace spot
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{
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/// \brief Wrap a tgba to offer information about strongly connected
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/// components.
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/// \ingroup tgba
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///
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/// This class is a spot::tgba wrapper that simply add a new method
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/// scc_of_state() to retrieve the number of a SCC a state belongs to.
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class tgba_scc : public tgba
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{
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public:
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/// \brief Create a tgba_scc wrapper for \a aut.
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///
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/// If \a show is set to true, then the format_state() method will
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/// include the SCC number computed for the given state in its
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/// output string.
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tgba_scc(const tgba* aut, bool show = false);
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virtual ~tgba_scc();
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/// Returns the number of the SCC \a s belongs to.
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unsigned scc_of_state(const spot::state* s) const;
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/// \brief Format a state for output.
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///
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/// If the constructor was called with \a show set to true, then
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/// this method will include the SCC number computed for \a
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/// state in the output string.
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virtual std::string format_state(const state* state) const;
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// The following methods simply delegate their work to the wrapped
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// tgba.
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virtual state* get_init_state() const;
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virtual tgba_succ_iterator*
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succ_iter(const state* local_state,
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const state* global_state = 0,
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const tgba* global_automaton = 0) const;
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virtual bdd_dict* get_dict() const;
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virtual std::string
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transition_annotation(const tgba_succ_iterator* t) const;
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virtual state* project_state(const state* s, const tgba* t) const;
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virtual bdd all_acceptance_conditions() const;
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virtual bdd neg_acceptance_conditions() const;
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virtual bdd compute_support_conditions(const state* state) const;
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virtual bdd compute_support_variables(const state* state) const;
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protected:
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const tgba* aut_; // The wrapped TGBA.
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scc_map scc_map_; // SCC informations.
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bool show_; // Wether to show future conditions
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// in the output of format_state().
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};
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}
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#endif // SPOT_TGBA_TGBASCC_HH
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