tgba: merge succiter.hh, state.hh, and tgba.hh
It makes it easier to browse tgba/. * src/tgba/state.hh, src/tgba/succiter.hh: Delete, and move the contents... * src/tgba/tgba.hh: ... here. * src/tgba/Makefile.am: Adjust. * src/graphtest/ngraph.cc, src/kripke/fairkripke.hh, src/saba/sabacomplementtgba.cc, src/ta/ta.hh, src/tgba/tgbakvcomplement.cc, src/tgba/tgbasafracomplement.cc, src/tgbaalgos/bfssteps.hh, src/tgbaalgos/emptiness.hh, src/tgbaalgos/gtec/explscc.hh, src/tgbaalgos/gtec/sccstack.hh, src/tgbaalgos/rundotdec.cc, wrap/python/spot.i: Adjust includes.
This commit is contained in:
parent
a5bc7c3ff6
commit
52ce449bbc
16 changed files with 408 additions and 502 deletions
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@ -20,7 +20,7 @@
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#include <iostream>
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#include "graph/ngraph.hh"
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#include "tgba/state.hh"
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#include "tgba/tgba.hh"
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template <typename SL, typename TL>
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void
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@ -21,7 +21,6 @@
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# define SPOT_KRIPKE_FAIRKRIPKE_HH
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#include "tgba/tgba.hh"
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#include "tgba/succiter.hh"
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#include "fwd.hh"
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/// \addtogroup kripke Kripke Structures
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@ -21,8 +21,7 @@
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#include <cassert>
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#include <sstream>
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#include "bdd.h"
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#include <tgba/bddprint.hh>
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#include <tgba/state.hh>
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#include "tgba/bddprint.hh"
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#include "tgba/tgba.hh"
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#include "misc/hash.hh"
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#include "misc/bddlt.hh"
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@ -24,8 +24,7 @@
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#include <cassert>
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#include "misc/bddlt.hh"
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#include "tgba/state.hh"
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#include "tgba/succiter.hh"
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#include "tgba/tgba.hh"
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#include "tgba/bdddict.hh"
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namespace spot
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@ -31,8 +31,6 @@ tgba_HEADERS = \
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formula2bdd.hh \
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futurecondcol.hh \
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fwd.hh \
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state.hh \
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succiter.hh \
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taatgba.hh \
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tgba.hh \
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tgbagraph.hh \
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@ -1,331 +0,0 @@
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// -*- coding: utf-8 -*-
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// Copyright (C) 2009, 2011, 2013, 2014 Laboratoire de Recherche et
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// Développement de l'Epita (LRDE).
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// Copyright (C) 2003, 2004 Laboratoire d'Informatique de Paris 6
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// (LIP6), département Systèmes Répartis Coopératifs (SRC), Université
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// 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 3 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 this program. If not, see <http://www.gnu.org/licenses/>.
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#ifndef SPOT_TGBA_STATE_HH
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# define SPOT_TGBA_STATE_HH
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#include "misc/common.hh"
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#include <cstddef>
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#include <bdd.h>
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#include <cassert>
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#include <functional>
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#include <memory>
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#include "misc/casts.hh"
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#include "misc/hash.hh"
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namespace spot
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{
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/// \ingroup tgba_essentials
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/// \brief Abstract class for states.
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class SPOT_API state
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{
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public:
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/// \brief Compares two states (that come from the same automaton).
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///
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/// This method returns an integer less than, equal to, or greater
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/// than zero if \a this is found, respectively, to be less than, equal
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/// to, or greater than \a other according to some implicit total order.
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///
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/// This method should not be called to compare states from
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/// different automata.
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///
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/// \sa spot::state_ptr_less_than
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virtual int compare(const state* other) const = 0;
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/// \brief Hash a state.
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///
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/// This method returns an integer that can be used as a
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/// hash value for this state.
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///
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/// Note that the hash value is guaranteed to be unique for all
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/// equal states (in compare()'s sense) for only has long has one
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/// of these states exists. So it's OK to use a spot::state as a
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/// key in a \c hash_map because the mere use of the state as a
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/// key in the hash will ensure the state continues to exist.
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///
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/// However if you create the state, get its hash key, delete the
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/// state, recreate the same state, and get its hash key, you may
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/// obtain two different hash keys if the same state were not
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/// already used elsewhere. In practice this weird situation can
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/// occur only when the state is BDD-encoded, because BDD numbers
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/// (used to build the hash value) can be reused for other
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/// formulas. That probably doesn't matter, since the hash value
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/// is meant to be used in a \c hash_map, but it had to be noted.
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virtual size_t hash() const = 0;
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/// Duplicate a state.
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virtual state* clone() const = 0;
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/// \brief Release a state.
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///
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/// Methods from the tgba or tgba_succ_iterator always return a
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/// new state that you should deallocate with this function.
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/// Before Spot 0.7, you had to "delete" your state directly.
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/// Starting with Spot 0.7, you should update your code to use
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/// this function instead. destroy() usually call delete, except
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/// in subclasses that destroy() to allow better memory management
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/// (e.g., no memory allocation for explicit automata).
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virtual void destroy() const
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{
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delete this;
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}
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protected:
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/// \brief Destructor.
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///
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/// Note that client code should call
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/// <code>s->destroy();</code> instead of <code>delete s;</code>.
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virtual ~state()
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{
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}
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};
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/// \ingroup tgba_essentials
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/// \brief Strict Weak Ordering for \c state*.
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///
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/// This is meant to be used as a comparison functor for
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/// STL \c map whose key are of type \c state*.
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///
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/// For instance here is how one could declare
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/// a map of \c state*.
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/// \code
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/// // Remember how many times each state has been visited.
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/// std::map<spot::state*, int, spot::state_ptr_less_than> seen;
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/// \endcode
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struct state_ptr_less_than:
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public std::binary_function<const state*, const state*, bool>
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{
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bool
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operator()(const state* left, const state* right) const
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{
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assert(left);
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return left->compare(right) < 0;
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}
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};
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/// \ingroup tgba_essentials
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/// \brief An Equivalence Relation for \c state*.
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///
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/// This is meant to be used as a comparison functor for
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/// an \c unordered_map whose key are of type \c state*.
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///
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/// For instance here is how one could declare
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/// a map of \c state*.
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/// \code
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/// // Remember how many times each state has been visited.
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/// std::unordered_map<spot::state*, int, spot::state_ptr_hash,
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/// spot::state_ptr_equal> seen;
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/// \endcode
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struct state_ptr_equal:
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public std::binary_function<const state*, const state*, bool>
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{
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bool
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operator()(const state* left, const state* right) const
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{
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assert(left);
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return 0 == left->compare(right);
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}
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};
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/// \ingroup tgba_essentials
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/// \ingroup hash_funcs
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/// \brief Hash Function for \c state*.
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///
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/// This is meant to be used as a hash functor for
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/// an \c unordered_map whose key are of type \c state*.
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///
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/// For instance here is how one could declare
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/// a map of \c state*.
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/// \code
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/// // Remember how many times each state has been visited.
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/// std::unordered_map<spot::state*, int, spot::state_ptr_hash,
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/// spot::state_ptr_equal> seen;
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/// \endcode
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struct state_ptr_hash:
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public std::unary_function<const state*, size_t>
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{
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size_t
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operator()(const state* that) const
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{
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assert(that);
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return that->hash();
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}
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};
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typedef std::unordered_set<const state*,
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state_ptr_hash, state_ptr_equal> state_set;
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/// \ingroup tgba_essentials
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/// \brief Render state pointers unique via a hash table.
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class SPOT_API state_unicity_table
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{
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state_set m;
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public:
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/// \brief Canonicalize state pointer.
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///
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/// If this is the first time a state is seen, this return the
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/// state pointer as-is, otherwise it frees the state and returns
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/// a point to the previously seen copy.
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///
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/// States are owned by the table and will be freed on
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/// destruction.
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const state* operator()(const state* s)
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{
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auto p = m.insert(s);
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if (!p.second)
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s->destroy();
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return *p.first;
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}
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/// \brief Canonicalize state pointer.
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///
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/// Same as operator(), except that a nullptr
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/// is returned if the state is not new.
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const state* is_new(const state* s)
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{
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auto p = m.insert(s);
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if (!p.second)
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{
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s->destroy();
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return nullptr;
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}
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return *p.first;
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}
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~state_unicity_table()
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{
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for (state_set::iterator i = m.begin(); i != m.end();)
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{
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// Advance the iterator before destroying its key. This
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// avoid issues with old g++ implementations.
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state_set::iterator old = i++;
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(*old)->destroy();
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}
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}
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size_t
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size()
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{
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return m.size();
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}
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};
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// Functions related to shared_ptr.
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//////////////////////////////////////////////////
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typedef std::shared_ptr<const state> shared_state;
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inline void shared_state_deleter(state* s) { s->destroy(); }
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/// \ingroup tgba_essentials
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/// \brief Strict Weak Ordering for \c shared_state
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/// (shared_ptr<const state*>).
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///
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/// This is meant to be used as a comparison functor for
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/// STL \c map whose key are of type \c shared_state.
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///
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/// For instance here is how one could declare
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/// a map of \c shared_state.
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/// \code
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/// // Remember how many times each state has been visited.
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/// std::map<shared_state, int, spot::state_shared_ptr_less_than> seen;
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/// \endcode
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struct state_shared_ptr_less_than:
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public std::binary_function<shared_state,
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shared_state, bool>
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{
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bool
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operator()(shared_state left,
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shared_state right) const
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{
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assert(left);
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return left->compare(right.get()) < 0;
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}
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};
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/// \ingroup tgba_essentials
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/// \brief An Equivalence Relation for \c shared_state
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/// (shared_ptr<const state*>).
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///
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/// This is meant to be used as a comparison functor for
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/// un \c unordered_map whose key are of type \c shared_state.
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///
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/// For instance here is how one could declare
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/// a map of \c shared_state
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/// \code
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/// // Remember how many times each state has been visited.
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/// std::unordered_map<shared_state, int,
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/// state_shared_ptr_hash,
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/// state_shared_ptr_equal> seen;
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/// \endcode
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struct state_shared_ptr_equal:
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public std::binary_function<shared_state,
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shared_state, bool>
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{
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bool
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operator()(shared_state left,
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shared_state right) const
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{
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assert(left);
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return 0 == left->compare(right.get());
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}
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};
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/// \ingroup tgba_essentials
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/// \ingroup hash_funcs
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/// \brief Hash Function for \c shared_state (shared_ptr<const state*>).
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///
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/// This is meant to be used as a hash functor for
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/// an \c unordered_map whose key are of type
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/// \c shared_state.
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///
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/// For instance here is how one could declare
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/// a map of \c shared_state.
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/// \code
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/// // Remember how many times each state has been visited.
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/// std::unordered_map<shared_state, int,
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/// state_shared_ptr_hash,
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/// state_shared_ptr_equal> seen;
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/// \endcode
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struct state_shared_ptr_hash:
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public std::unary_function<shared_state, size_t>
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{
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size_t
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operator()(shared_state that) const
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{
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assert(that);
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return that->hash();
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}
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};
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typedef std::unordered_set<shared_state,
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state_shared_ptr_hash,
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state_shared_ptr_equal> shared_state_set;
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}
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#endif // SPOT_TGBA_STATE_HH
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@ -1,147 +0,0 @@
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// -*- coding: utf-8 -*-
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// Copyright (C) 2011, 2013, 2014 Laboratoire de Recherche et
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// Développement de l'Epita (LRDE).
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// Copyright (C) 2003, 2004, 2005 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 3 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 this program. If not, see <http://www.gnu.org/licenses/>.
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#ifndef SPOT_TGBA_SUCCITER_HH
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# define SPOT_TGBA_SUCCITER_HH
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#include "state.hh"
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namespace spot
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{
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class tgba;
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/// \ingroup tgba_essentials
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/// \brief Iterate over the successors of a state.
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///
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/// This class provides the basic functionalities required to
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/// iterate over the successors of a state, as well as querying
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/// transition labels. Because transitions are never explicitely
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/// encoded, labels (conditions and acceptance conditions) can only
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/// be queried while iterating over the successors.
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class SPOT_API tgba_succ_iterator
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{
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public:
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virtual
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~tgba_succ_iterator()
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{
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}
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/// \name Iteration
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//@{
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/// \brief Position the iterator on the first successor (if any).
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///
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/// This method can be called several times to make multiple
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/// passes over successors.
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///
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/// \warning One should always call \c done() (or better: check
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/// the return value of first()) to ensure there is a successor,
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/// even after \c first(). A common trap is to assume that there
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/// is at least one successor: this is wrong.
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///
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/// \return whether there is actually a successor
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virtual bool first() = 0;
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/// \brief Jump to the next successor (if any).
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///
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/// \warning Again, one should always call \c done() (or better:
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/// check the return value of next()) ensure there is a successor.
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///
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/// \return whether there is actually a successor
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virtual bool next() = 0;
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/// \brief Check whether the iteration is finished.
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///
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/// This function should be called after any call to \c first()
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/// or \c next() and before any enquiry about the current state.
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///
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/// The usual way to do this is with a \c for loop.
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///
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/// for (s->first(); !s->done(); s->next())
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/// ...
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virtual bool done() const = 0;
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//@}
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/// \name Inspection
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//@{
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/// \brief Get the state of the current successor.
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///
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/// Note that the same state may occur at different points
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/// in the iteration. These actually correspond to the same
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/// destination. It just means there were several transitions,
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/// with different conditions, leading to the same state.
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///
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/// The returned state should be destroyed (see state::destroy)
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/// by the caller after it is no longer used.
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virtual state* current_state() const = 0;
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/// \brief Get the condition on the transition leading to this successor.
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///
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/// This is a boolean function of atomic propositions.
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virtual bdd current_condition() const = 0;
|
||||
/// \brief Get the acceptance conditions on the transition leading
|
||||
/// to this successor.
|
||||
virtual bdd current_acceptance_conditions() const = 0;
|
||||
|
||||
//@}
|
||||
};
|
||||
|
||||
namespace internal
|
||||
{
|
||||
struct SPOT_API succ_iterator
|
||||
{
|
||||
protected:
|
||||
tgba_succ_iterator* it_;
|
||||
public:
|
||||
|
||||
succ_iterator(tgba_succ_iterator* it):
|
||||
it_(it)
|
||||
{
|
||||
}
|
||||
|
||||
bool operator==(succ_iterator o) const
|
||||
{
|
||||
return it_ == o.it_;
|
||||
}
|
||||
|
||||
bool operator!=(succ_iterator o) const
|
||||
{
|
||||
return it_ != o.it_;
|
||||
}
|
||||
|
||||
const tgba_succ_iterator* operator*() const
|
||||
{
|
||||
return it_;
|
||||
}
|
||||
|
||||
void operator++()
|
||||
{
|
||||
if (!it_->next())
|
||||
it_ = nullptr;
|
||||
}
|
||||
};
|
||||
}
|
||||
}
|
||||
|
||||
|
||||
#endif // SPOT_TGBA_SUCCITER_HH
|
||||
403
src/tgba/tgba.hh
403
src/tgba/tgba.hh
|
|
@ -23,14 +23,411 @@
|
|||
#ifndef SPOT_TGBA_TGBA_HH
|
||||
# define SPOT_TGBA_TGBA_HH
|
||||
|
||||
#include "state.hh"
|
||||
#include "bdddict.hh"
|
||||
#include "succiter.hh"
|
||||
#include "fwd.hh"
|
||||
#include <cassert>
|
||||
#include <memory>
|
||||
#include <memory>
|
||||
#include "misc/casts.hh"
|
||||
#include "misc/hash.hh"
|
||||
|
||||
namespace spot
|
||||
{
|
||||
class tgba_succ_iterator;
|
||||
/// \ingroup tgba_essentials
|
||||
/// \brief Abstract class for states.
|
||||
class SPOT_API state
|
||||
{
|
||||
public:
|
||||
/// \brief Compares two states (that come from the same automaton).
|
||||
///
|
||||
/// This method returns an integer less than, equal to, or greater
|
||||
/// than zero if \a this is found, respectively, to be less than, equal
|
||||
/// to, or greater than \a other according to some implicit total order.
|
||||
///
|
||||
/// This method should not be called to compare states from
|
||||
/// different automata.
|
||||
///
|
||||
/// \sa spot::state_ptr_less_than
|
||||
virtual int compare(const state* other) const = 0;
|
||||
|
||||
/// \brief Hash a state.
|
||||
///
|
||||
/// This method returns an integer that can be used as a
|
||||
/// hash value for this state.
|
||||
///
|
||||
/// Note that the hash value is guaranteed to be unique for all
|
||||
/// equal states (in compare()'s sense) for only has long has one
|
||||
/// of these states exists. So it's OK to use a spot::state as a
|
||||
/// key in a \c hash_map because the mere use of the state as a
|
||||
/// key in the hash will ensure the state continues to exist.
|
||||
///
|
||||
/// However if you create the state, get its hash key, delete the
|
||||
/// state, recreate the same state, and get its hash key, you may
|
||||
/// obtain two different hash keys if the same state were not
|
||||
/// already used elsewhere. In practice this weird situation can
|
||||
/// occur only when the state is BDD-encoded, because BDD numbers
|
||||
/// (used to build the hash value) can be reused for other
|
||||
/// formulas. That probably doesn't matter, since the hash value
|
||||
/// is meant to be used in a \c hash_map, but it had to be noted.
|
||||
virtual size_t hash() const = 0;
|
||||
|
||||
/// Duplicate a state.
|
||||
virtual state* clone() const = 0;
|
||||
|
||||
/// \brief Release a state.
|
||||
///
|
||||
/// Methods from the tgba or tgba_succ_iterator always return a
|
||||
/// new state that you should deallocate with this function.
|
||||
/// Before Spot 0.7, you had to "delete" your state directly.
|
||||
/// Starting with Spot 0.7, you should update your code to use
|
||||
/// this function instead. destroy() usually call delete, except
|
||||
/// in subclasses that destroy() to allow better memory management
|
||||
/// (e.g., no memory allocation for explicit automata).
|
||||
virtual void destroy() const
|
||||
{
|
||||
delete this;
|
||||
}
|
||||
|
||||
protected:
|
||||
/// \brief Destructor.
|
||||
///
|
||||
/// Note that client code should call
|
||||
/// <code>s->destroy();</code> instead of <code>delete s;</code>.
|
||||
virtual ~state()
|
||||
{
|
||||
}
|
||||
};
|
||||
|
||||
/// \ingroup tgba_essentials
|
||||
/// \brief Strict Weak Ordering for \c state*.
|
||||
///
|
||||
/// This is meant to be used as a comparison functor for
|
||||
/// STL \c map whose key are of type \c state*.
|
||||
///
|
||||
/// For instance here is how one could declare
|
||||
/// a map of \c state*.
|
||||
/// \code
|
||||
/// // Remember how many times each state has been visited.
|
||||
/// std::map<spot::state*, int, spot::state_ptr_less_than> seen;
|
||||
/// \endcode
|
||||
struct state_ptr_less_than
|
||||
{
|
||||
bool
|
||||
operator()(const state* left, const state* right) const
|
||||
{
|
||||
assert(left);
|
||||
return left->compare(right) < 0;
|
||||
}
|
||||
};
|
||||
|
||||
/// \ingroup tgba_essentials
|
||||
/// \brief An Equivalence Relation for \c state*.
|
||||
///
|
||||
/// This is meant to be used as a comparison functor for
|
||||
/// an \c unordered_map whose key are of type \c state*.
|
||||
///
|
||||
/// For instance here is how one could declare
|
||||
/// a map of \c state*.
|
||||
/// \code
|
||||
/// // Remember how many times each state has been visited.
|
||||
/// std::unordered_map<spot::state*, int, spot::state_ptr_hash,
|
||||
/// spot::state_ptr_equal> seen;
|
||||
/// \endcode
|
||||
struct state_ptr_equal
|
||||
{
|
||||
bool
|
||||
operator()(const state* left, const state* right) const
|
||||
{
|
||||
assert(left);
|
||||
return 0 == left->compare(right);
|
||||
}
|
||||
};
|
||||
|
||||
/// \ingroup tgba_essentials
|
||||
/// \ingroup hash_funcs
|
||||
/// \brief Hash Function for \c state*.
|
||||
///
|
||||
/// This is meant to be used as a hash functor for
|
||||
/// an \c unordered_map whose key are of type \c state*.
|
||||
///
|
||||
/// For instance here is how one could declare
|
||||
/// a map of \c state*.
|
||||
/// \code
|
||||
/// // Remember how many times each state has been visited.
|
||||
/// std::unordered_map<spot::state*, int, spot::state_ptr_hash,
|
||||
/// spot::state_ptr_equal> seen;
|
||||
/// \endcode
|
||||
struct state_ptr_hash
|
||||
{
|
||||
size_t
|
||||
operator()(const state* that) const
|
||||
{
|
||||
assert(that);
|
||||
return that->hash();
|
||||
}
|
||||
};
|
||||
|
||||
typedef std::unordered_set<const state*,
|
||||
state_ptr_hash, state_ptr_equal> state_set;
|
||||
|
||||
|
||||
/// \ingroup tgba_essentials
|
||||
/// \brief Render state pointers unique via a hash table.
|
||||
class SPOT_API state_unicity_table
|
||||
{
|
||||
state_set m;
|
||||
public:
|
||||
|
||||
/// \brief Canonicalize state pointer.
|
||||
///
|
||||
/// If this is the first time a state is seen, this return the
|
||||
/// state pointer as-is, otherwise it frees the state and returns
|
||||
/// a point to the previously seen copy.
|
||||
///
|
||||
/// States are owned by the table and will be freed on
|
||||
/// destruction.
|
||||
const state* operator()(const state* s)
|
||||
{
|
||||
auto p = m.insert(s);
|
||||
if (!p.second)
|
||||
s->destroy();
|
||||
return *p.first;
|
||||
}
|
||||
|
||||
/// \brief Canonicalize state pointer.
|
||||
///
|
||||
/// Same as operator(), except that a nullptr
|
||||
/// is returned if the state is not new.
|
||||
const state* is_new(const state* s)
|
||||
{
|
||||
auto p = m.insert(s);
|
||||
if (!p.second)
|
||||
{
|
||||
s->destroy();
|
||||
return nullptr;
|
||||
}
|
||||
return *p.first;
|
||||
}
|
||||
|
||||
~state_unicity_table()
|
||||
{
|
||||
for (state_set::iterator i = m.begin(); i != m.end();)
|
||||
{
|
||||
// Advance the iterator before destroying its key. This
|
||||
// avoid issues with old g++ implementations.
|
||||
state_set::iterator old = i++;
|
||||
(*old)->destroy();
|
||||
}
|
||||
}
|
||||
|
||||
size_t
|
||||
size()
|
||||
{
|
||||
return m.size();
|
||||
}
|
||||
};
|
||||
|
||||
|
||||
|
||||
// Functions related to shared_ptr.
|
||||
//////////////////////////////////////////////////
|
||||
|
||||
typedef std::shared_ptr<const state> shared_state;
|
||||
|
||||
inline void shared_state_deleter(state* s) { s->destroy(); }
|
||||
|
||||
/// \ingroup tgba_essentials
|
||||
/// \brief Strict Weak Ordering for \c shared_state
|
||||
/// (shared_ptr<const state*>).
|
||||
///
|
||||
/// This is meant to be used as a comparison functor for
|
||||
/// STL \c map whose key are of type \c shared_state.
|
||||
///
|
||||
/// For instance here is how one could declare
|
||||
/// a map of \c shared_state.
|
||||
/// \code
|
||||
/// // Remember how many times each state has been visited.
|
||||
/// std::map<shared_state, int, spot::state_shared_ptr_less_than> seen;
|
||||
/// \endcode
|
||||
struct state_shared_ptr_less_than
|
||||
{
|
||||
bool
|
||||
operator()(shared_state left,
|
||||
shared_state right) const
|
||||
{
|
||||
assert(left);
|
||||
return left->compare(right.get()) < 0;
|
||||
}
|
||||
};
|
||||
|
||||
/// \ingroup tgba_essentials
|
||||
/// \brief An Equivalence Relation for \c shared_state
|
||||
/// (shared_ptr<const state*>).
|
||||
///
|
||||
/// This is meant to be used as a comparison functor for
|
||||
/// un \c unordered_map whose key are of type \c shared_state.
|
||||
///
|
||||
/// For instance here is how one could declare
|
||||
/// a map of \c shared_state
|
||||
/// \code
|
||||
/// // Remember how many times each state has been visited.
|
||||
/// std::unordered_map<shared_state, int,
|
||||
/// state_shared_ptr_hash,
|
||||
/// state_shared_ptr_equal> seen;
|
||||
/// \endcode
|
||||
struct state_shared_ptr_equal
|
||||
{
|
||||
bool
|
||||
operator()(shared_state left,
|
||||
shared_state right) const
|
||||
{
|
||||
assert(left);
|
||||
return 0 == left->compare(right.get());
|
||||
}
|
||||
};
|
||||
|
||||
/// \ingroup tgba_essentials
|
||||
/// \ingroup hash_funcs
|
||||
/// \brief Hash Function for \c shared_state (shared_ptr<const state*>).
|
||||
///
|
||||
/// This is meant to be used as a hash functor for
|
||||
/// an \c unordered_map whose key are of type
|
||||
/// \c shared_state.
|
||||
///
|
||||
/// For instance here is how one could declare
|
||||
/// a map of \c shared_state.
|
||||
/// \code
|
||||
/// // Remember how many times each state has been visited.
|
||||
/// std::unordered_map<shared_state, int,
|
||||
/// state_shared_ptr_hash,
|
||||
/// state_shared_ptr_equal> seen;
|
||||
/// \endcode
|
||||
struct state_shared_ptr_hash
|
||||
{
|
||||
size_t
|
||||
operator()(shared_state that) const
|
||||
{
|
||||
assert(that);
|
||||
return that->hash();
|
||||
}
|
||||
};
|
||||
|
||||
typedef std::unordered_set<shared_state,
|
||||
state_shared_ptr_hash,
|
||||
state_shared_ptr_equal> shared_state_set;
|
||||
|
||||
/// \ingroup tgba_essentials
|
||||
/// \brief Iterate over the successors of a state.
|
||||
///
|
||||
/// This class provides the basic functionalities required to
|
||||
/// iterate over the successors of a state, as well as querying
|
||||
/// transition labels. Because transitions are never explicitely
|
||||
/// encoded, labels (conditions and acceptance conditions) can only
|
||||
/// be queried while iterating over the successors.
|
||||
class SPOT_API tgba_succ_iterator
|
||||
{
|
||||
public:
|
||||
virtual
|
||||
~tgba_succ_iterator()
|
||||
{
|
||||
}
|
||||
|
||||
/// \name Iteration
|
||||
//@{
|
||||
|
||||
/// \brief Position the iterator on the first successor (if any).
|
||||
///
|
||||
/// This method can be called several times to make multiple
|
||||
/// passes over successors.
|
||||
///
|
||||
/// \warning One should always call \c done() (or better: check
|
||||
/// the return value of first()) to ensure there is a successor,
|
||||
/// even after \c first(). A common trap is to assume that there
|
||||
/// is at least one successor: this is wrong.
|
||||
///
|
||||
/// \return whether there is actually a successor
|
||||
virtual bool first() = 0;
|
||||
|
||||
/// \brief Jump to the next successor (if any).
|
||||
///
|
||||
/// \warning Again, one should always call \c done() (or better:
|
||||
/// check the return value of next()) ensure there is a successor.
|
||||
///
|
||||
/// \return whether there is actually a successor
|
||||
virtual bool next() = 0;
|
||||
|
||||
/// \brief Check whether the iteration is finished.
|
||||
///
|
||||
/// This function should be called after any call to \c first()
|
||||
/// or \c next() and before any enquiry about the current state.
|
||||
///
|
||||
/// The usual way to do this is with a \c for loop.
|
||||
///
|
||||
/// for (s->first(); !s->done(); s->next())
|
||||
/// ...
|
||||
virtual bool done() const = 0;
|
||||
|
||||
//@}
|
||||
|
||||
/// \name Inspection
|
||||
//@{
|
||||
|
||||
/// \brief Get the state of the current successor.
|
||||
///
|
||||
/// Note that the same state may occur at different points
|
||||
/// in the iteration. These actually correspond to the same
|
||||
/// destination. It just means there were several transitions,
|
||||
/// with different conditions, leading to the same state.
|
||||
///
|
||||
/// The returned state should be destroyed (see state::destroy)
|
||||
/// by the caller after it is no longer used.
|
||||
virtual state* current_state() const = 0;
|
||||
/// \brief Get the condition on the transition leading to this successor.
|
||||
///
|
||||
/// This is a boolean function of atomic propositions.
|
||||
virtual bdd current_condition() const = 0;
|
||||
/// \brief Get the acceptance conditions on the transition leading
|
||||
/// to this successor.
|
||||
virtual bdd current_acceptance_conditions() const = 0;
|
||||
|
||||
//@}
|
||||
};
|
||||
|
||||
namespace internal
|
||||
{
|
||||
struct SPOT_API succ_iterator
|
||||
{
|
||||
protected:
|
||||
tgba_succ_iterator* it_;
|
||||
public:
|
||||
|
||||
succ_iterator(tgba_succ_iterator* it):
|
||||
it_(it)
|
||||
{
|
||||
}
|
||||
|
||||
bool operator==(succ_iterator o) const
|
||||
{
|
||||
return it_ == o.it_;
|
||||
}
|
||||
|
||||
bool operator!=(succ_iterator o) const
|
||||
{
|
||||
return it_ != o.it_;
|
||||
}
|
||||
|
||||
const tgba_succ_iterator* operator*() const
|
||||
{
|
||||
return it_;
|
||||
}
|
||||
|
||||
void operator++()
|
||||
{
|
||||
if (!it_->next())
|
||||
it_ = nullptr;
|
||||
}
|
||||
};
|
||||
}
|
||||
|
||||
/// \defgroup tgba TGBA (Transition-based Generalized Büchi Automata)
|
||||
///
|
||||
|
|
|
|||
|
|
@ -22,7 +22,7 @@
|
|||
#include <sstream>
|
||||
#include "bdd.h"
|
||||
#include "bddprint.hh"
|
||||
#include "state.hh"
|
||||
#include "tgba.hh"
|
||||
#include "tgbakvcomplement.hh"
|
||||
#include "misc/hash.hh"
|
||||
#include "tgbaalgos/bfssteps.hh"
|
||||
|
|
|
|||
|
|
@ -28,7 +28,7 @@
|
|||
#include "misc/hash.hh"
|
||||
#include "misc/bddlt.hh"
|
||||
#include "tgba/bdddict.hh"
|
||||
#include "tgba/state.hh"
|
||||
#include "tgba/tgba.hh"
|
||||
#include "misc/hashfunc.hh"
|
||||
#include "ltlast/formula.hh"
|
||||
#include "ltlast/constant.hh"
|
||||
|
|
|
|||
|
|
@ -24,7 +24,6 @@
|
|||
# define SPOT_TGBAALGOS_BFSSTEPS_HH
|
||||
|
||||
#include <map>
|
||||
#include "tgba/state.hh"
|
||||
#include "emptiness.hh"
|
||||
|
||||
namespace spot
|
||||
|
|
|
|||
|
|
@ -28,7 +28,6 @@
|
|||
#include <iosfwd>
|
||||
#include <bdd.h>
|
||||
#include "misc/optionmap.hh"
|
||||
#include "tgba/state.hh"
|
||||
#include "tgba/tgbagraph.hh"
|
||||
#include "emptiness_stats.hh"
|
||||
|
||||
|
|
|
|||
|
|
@ -1,5 +1,5 @@
|
|||
// -*- coding: utf-8 -*-
|
||||
// Copyright (C) 2011, 2013 Laboratoire de Recherche et Développement
|
||||
// Copyright (C) 2011, 2013, 2014 Laboratoire de Recherche et Développement
|
||||
// de l'Epita (LRDE).
|
||||
// Copyright (C) 2004 Laboratoire d'Informatique de Paris 6 (LIP6),
|
||||
// département Systèmes Répartis Coopératifs (SRC), Université Pierre
|
||||
|
|
@ -24,7 +24,6 @@
|
|||
# define SPOT_TGBAALGOS_GTEC_EXPLSCC_HH
|
||||
|
||||
#include "misc/hash.hh"
|
||||
#include "tgba/state.hh"
|
||||
#include "sccstack.hh"
|
||||
|
||||
namespace spot
|
||||
|
|
|
|||
|
|
@ -1,5 +1,5 @@
|
|||
// -*- coding: utf-8 -*-
|
||||
// Copyright (C) 2013 Laboratoire de Recherche et Développement de
|
||||
// Copyright (C) 2013, 2014 Laboratoire de Recherche et Développement de
|
||||
// l'Epita (LRDE).
|
||||
// Copyright (C) 2004, 2005 Laboratoire d'Informatique de Paris 6 (LIP6),
|
||||
// département Systèmes Répartis Coopératifs (SRC), Université Pierre
|
||||
|
|
@ -25,7 +25,7 @@
|
|||
|
||||
#include <bdd.h>
|
||||
#include <list>
|
||||
#include <tgba/state.hh>
|
||||
#include "tgba/tgba.hh"
|
||||
|
||||
namespace spot
|
||||
{
|
||||
|
|
|
|||
|
|
@ -22,7 +22,6 @@
|
|||
|
||||
#include <sstream>
|
||||
#include "rundotdec.hh"
|
||||
#include "tgba/succiter.hh"
|
||||
|
||||
namespace spot
|
||||
{
|
||||
|
|
|
|||
|
|
@ -100,8 +100,6 @@ namespace std {
|
|||
#include "ltlvisit/apcollect.hh"
|
||||
|
||||
#include "tgba/bddprint.hh"
|
||||
#include "tgba/state.hh"
|
||||
#include "tgba/succiter.hh"
|
||||
#include "tgba/fwd.hh"
|
||||
#include "tgba/tgba.hh"
|
||||
#include "tgba/taatgba.hh"
|
||||
|
|
@ -219,8 +217,6 @@ using namespace spot;
|
|||
// Help SWIG with namespace lookups.
|
||||
#define ltl spot::ltl
|
||||
%include "tgba/bddprint.hh"
|
||||
%include "tgba/state.hh"
|
||||
%include "tgba/succiter.hh"
|
||||
%include "tgba/fwd.hh"
|
||||
%include "tgba/tgba.hh"
|
||||
%include "tgba/taatgba.hh"
|
||||
|
|
|
|||
Loading…
Add table
Add a link
Reference in a new issue