Rename the class taa as taa_tgba.

* src/tgba/taa.cc, src/tgba/taa.hh: Rename as ...
* src/tgba/taatgba.cc, src/tgba/taatgba.hh: ... these, and
rename the class taa as taa_tgba.
* src/tgbaalgos/ltl2taa.cc, src/tgbaalgos/ltl2taa.hh,
src/tgbaalgos/Makefile.am: Adjust.
* src/tgbatest/ltl2tgba.cc, src/tgbatest/Makefile.am: Adjust.
* src/tgbatest/taa.test: Rename as ...
* src/tgbatest/taatgba.test ... this.
* src/tgbatest/taa.cc: Rename as ...
* src/tgbatest/taatgba.cc ... this, and adjust.
This commit is contained in:
Guillaume Sadegh 2009-11-27 23:17:38 +01:00
parent d362e752d1
commit f00aa49dc3
9 changed files with 117 additions and 101 deletions

198
src/tgba/taatgba.hh Normal file
View file

@ -0,0 +1,198 @@
// Copyright (C) 2009 Laboratoire d'Informatique de Paris
// 6 (LIP6), département Systèmes Répartis Coopératifs (SRC),
// Université Pierre et Marie Curie.
//
// This file is part of Spot, a model checking library.
//
// Spot is free software; you can redistribute it and/or modify it
// under the terms of the GNU General Public License as published by
// the Free Software Foundation; either version 2 of the License, or
// (at your option) any later version.
//
// Spot is distributed in the hope that it will be useful, but WITHOUT
// ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
// or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public
// License for more details.
//
// You should have received a copy of the GNU General Public License
// along with Spot; see the file COPYING. If not, write to the Free
// Software Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA
// 02111-1307, USA.
#ifndef SPOT_TGBA_TAATGBA_HH
# define SPOT_TGBA_TAATGBA_HH
#include <set>
#include <iosfwd>
#include <vector>
#include "misc/hash.hh"
#include "ltlast/formula.hh"
#include "bdddict.hh"
#include "tgba.hh"
namespace spot
{
/// \brief A Transition-based Alternating Automaton (TAA).
class taa_tgba : public tgba
{
public:
taa_tgba(bdd_dict* dict);
struct transition;
typedef std::list<transition*> state;
typedef std::set<state*> state_set;
/// Explicit transitions.
struct transition
{
bdd condition;
bdd acceptance_conditions;
const state_set* dst;
};
void set_init_state(const std::string& state);
void set_init_state(const std::vector<std::string>& state);
transition*
create_transition(const std::string& src,
const std::vector<std::string>& dst);
transition*
create_transition(const std::string& src, const std::string& dst);
void add_condition(transition* t, const ltl::formula* f);
void add_acceptance_condition(transition* t, const ltl::formula* f);
/// \brief Output a TAA.
void output(std::ostream& os) const;
/// TGBA interface.
virtual ~taa_tgba();
virtual spot::state* get_init_state() const;
virtual tgba_succ_iterator*
succ_iter(const spot::state* local_state,
const spot::state* global_state = 0,
const tgba* global_automaton = 0) const;
virtual bdd_dict* get_dict() const;
/// \brief Format the state as a string for printing.
///
/// If state is a spot::state_set of only one element, then the
/// string corresponding to state->get_state() is returned.
///
/// Otherwise a string composed of each string corresponding to
/// each state->get_state() in the spot::state_set is returned,
/// e.g. like {string_1,...,string_n}.
virtual std::string format_state(const spot::state* state) const;
virtual bdd all_acceptance_conditions() const;
virtual bdd neg_acceptance_conditions() const;
protected:
virtual bdd compute_support_conditions(const spot::state* state) const;
virtual bdd compute_support_variables(const spot::state* state) const;
typedef Sgi::hash_map<
const std::string, taa_tgba::state*, string_hash
> ns_map;
typedef Sgi::hash_map<
const taa_tgba::state*, std::string, ptr_hash<taa_tgba::state>
> sn_map;
typedef std::vector<taa_tgba::state_set*> ss_vec;
ns_map name_state_map_;
sn_map state_name_map_;
bdd_dict* dict_;
mutable bdd all_acceptance_conditions_;
mutable bool all_acceptance_conditions_computed_;
bdd neg_acceptance_conditions_;
taa_tgba::state_set* init_;
ss_vec state_set_vec_;
private:
// Disallow copy.
taa_tgba(const taa_tgba& other);
taa_tgba& operator=(const taa_tgba& other);
/// \brief Return the taa_tgba::state for \a name, creating it if it
/// does not exist. The first state added is the initial state
/// which can be overridden with set_init_state.
taa_tgba::state* add_state(const std::string& name);
/// \brief Return the taa::state_set for \a names.
taa_tgba::state_set* add_state_set(const std::vector<std::string>& names);
/// \brief Format a taa::state_set as a string for printing.
std::string format_state_set(const taa_tgba::state_set* ss) const;
};
/// Set of states deriving from spot::state.
class state_set : public spot::state
{
public:
state_set(const taa_tgba::state_set* s, bool delete_me = false)
: s_(s), delete_me_(delete_me)
{
}
virtual int compare(const spot::state*) const;
virtual size_t hash() const;
virtual state_set* clone() const;
virtual ~state_set()
{
if (delete_me_)
delete s_;
}
const taa_tgba::state_set* get_state() const;
private:
const taa_tgba::state_set* s_;
bool delete_me_;
};
class taa_succ_iterator : public tgba_succ_iterator
{
public:
taa_succ_iterator(const taa_tgba::state_set* s, bdd all_acc);
virtual ~taa_succ_iterator();
virtual void first();
virtual void next();
virtual bool done() const;
virtual state_set* current_state() const;
virtual bdd current_condition() const;
virtual bdd current_acceptance_conditions() const;
private:
/// Those typedefs are used to generate all possible successors in
/// the constructor using a cartesian product.
typedef taa_tgba::state::const_iterator iterator;
typedef std::pair<iterator, iterator> iterator_pair;
typedef std::vector<iterator_pair> bounds_t;
typedef Sgi::hash_multimap<
const spot::state_set*, taa_tgba::transition*, state_ptr_hash,
state_ptr_equal> seen_map;
struct distance_sort :
public std::binary_function<const iterator_pair&,
const iterator_pair&, bool>
{
bool
operator()(const iterator_pair& lhs, const iterator_pair& rhs) const
{
return std::distance(lhs.first, lhs.second) <
std::distance(rhs.first, rhs.second);
}
};
std::vector<taa_tgba::transition*>::const_iterator i_;
std::vector<taa_tgba::transition*> succ_;
bdd all_acceptance_conditions_;
seen_map seen_;
};
}
#endif // SPOT_TGBA_TAATGBA_HH