f2be64dd2c
counter updated each time we create a new (unique) formula. Doing so saves a lot of memory during the translation of the ltlcounter formulae, because the formulae are quite big and storing a string representation of each formula on its node was a bad idea. For instance with n=12, the translation now uses 40MB where it used 290MB. (Note: in both cases, 20MB is being used by the BDD cache.) * src/ltlast/formula.hh (hash_key_): Rename as ... (count_): ... this. (hash): Adjust. (max_count): New static variable to count the number of formulae created. (formula): Update max_count and set count_. (dump): Make it a virtual pure method. (set_key_): Remove. (formula_ptr_less_than): Speed up and return false when the two formula pointer are equal. * src/ltlast/formula.cc (set_key_, dump): Remove. * src/ltlast/atomic_prop.cc, src/ltlast/atomic_prop.hh, src/ltlast/automatop.cc, src/ltlast/automatop.hh, src/ltlast/binop.cc, src/ltlast/binop.hh, src/ltlast/constant.cc, src/ltlast/constant.hh, src/ltlast/multop.cc, src/ltlast/multop.hh, src/ltlast/unop.cc, src/ltlast/unop.hh: Empty the constructor (do not precompute the dump_ anymore), and add a dump() implementation.
79 lines
2.5 KiB
C++
79 lines
2.5 KiB
C++
// Copyright (C) 2003, 2004, 2009 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 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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/// \file ltlast/atomic_prop.hh
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/// \brief LTL atomic propositions
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#ifndef SPOT_LTLAST_ATOMIC_PROP_HH
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# define SPOT_LTLAST_ATOMIC_PROP_HH
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#include <string>
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#include <iosfwd>
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#include <map>
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#include "refformula.hh"
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#include "ltlenv/environment.hh"
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namespace spot
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{
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namespace ltl
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{
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/// \brief Atomic propositions.
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/// \ingroup ltl_ast
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class atomic_prop : public ref_formula
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{
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public:
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/// Build an atomic proposition with name \a name in
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/// environment \a env.
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static atomic_prop* instance(const std::string& name, environment& env);
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virtual void accept(visitor& visitor);
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virtual void accept(const_visitor& visitor) const;
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/// Get the name of the atomic proposition.
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const std::string& name() const;
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/// Get the environment of the atomic proposition.
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environment& env() const;
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/// Return a canonic representation of the atomic proposition
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virtual std::string dump() const;
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/// Number of instantiated atomic propositions. For debugging.
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static unsigned instance_count();
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/// List all instances of atomic propositions. For debugging.
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static std::ostream& dump_instances(std::ostream& os);
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protected:
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atomic_prop(const std::string& name, environment& env);
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virtual ~atomic_prop();
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typedef std::pair<std::string, environment*> pair;
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typedef std::map<pair, atomic_prop*> map;
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static map instances;
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private:
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std::string name_;
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environment* env_;
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};
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}
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}
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#endif // SPOT_LTLAST_ATOMICPROP_HH
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