1a5c0cb1f3
The returned Boolean indicates whether there is a successor or not.
This way
| for (i->first(); !i->done(); i->next())
| {
| ...
| }
can be replaced by
| if (i->first()) do
| {
| ...
| }
| while (i->next());
avoiding all the virtual calls to done().
* iface/dve2/dve2.cc, src/kripke/kripkeexplicit.cc,
src/kripke/kripkeexplicit.hh, src/ta/ta.hh, src/ta/taexplicit.cc,
src/ta/taexplicit.hh, src/ta/taproduct.cc, src/ta/taproduct.hh,
src/ta/tgtaproduct.cc, src/ta/tgtaproduct.hh, src/tgba/succiter.hh,
src/tgba/succiterconcrete.cc, src/tgba/succiterconcrete.hh,
src/tgba/taatgba.cc, src/tgba/taatgba.hh, src/tgba/tgba.hh,
src/tgba/tgbaexplicit.hh, src/tgba/tgbakvcomplement.cc,
src/tgba/tgbamask.cc, src/tgba/tgbaproduct.cc,
src/tgba/tgbasafracomplement.cc, src/tgba/tgbasgba.cc,
src/tgba/tgbatba.cc, src/tgba/tgbaunion.cc, src/tgba/tgbaunion.hh,
src/tgba/wdbacomp.cc: Implement and adjust to this new interface.
98 lines
2.5 KiB
C++
98 lines
2.5 KiB
C++
// -*- coding: utf-8 -*-
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// Copyright (C) 2011, 2012, 2013, 2014 Laboratoire de Recherche et
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// Développement de l'Epita (LRDE).
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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_TA_TGTAPRODUCT_HH
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# define SPOT_TA_TGTAPRODUCT_HH
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#include "tgba/tgba.hh"
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#include "tgba/tgbaproduct.hh"
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#include "misc/fixpool.hh"
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#include "kripke/kripke.hh"
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#include "tgta.hh"
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namespace spot
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{
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/// \brief A lazy product. (States are computed on the fly.)
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class SPOT_API tgta_product : public tgba_product
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{
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public:
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tgta_product(const kripke* left, const tgta* right);
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virtual state*
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get_init_state() const;
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virtual tgba_succ_iterator*
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succ_iter(const state* local_state, const state* global_state = 0,
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const tgba* global_automaton = 0) const;
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};
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/// \brief Iterate over the successors of a product computed on the fly.
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class SPOT_API tgta_succ_iterator_product : public tgba_succ_iterator
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{
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public:
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tgta_succ_iterator_product(const state_product* s, const kripke* k,
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const tgta* tgta, fixed_size_pool* pool);
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virtual
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~tgta_succ_iterator_product();
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// iteration
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bool first();
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bool next();
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bool done() const;
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// inspection
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state_product*
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current_state() const;
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bdd
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current_condition() const;
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bdd
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current_acceptance_conditions() const;
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private:
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//@{
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/// Internal routines to advance to the next successor.
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void
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step_();
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bool find_next_succ_();
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void
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next_kripke_dest();
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//@}
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protected:
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const state_product* source_;
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const tgta* tgta_;
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const kripke* kripke_;
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fixed_size_pool* pool_;
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tgba_succ_iterator* tgta_succ_it_;
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tgba_succ_iterator* kripke_succ_it_;
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state_product* current_state_;
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bdd current_condition_;
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bdd current_acceptance_conditions_;
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bdd kripke_source_condition;
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state* kripke_current_dest_state;
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};
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}
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#endif // SPOT_TA_TGTAPRODUCT_HH
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