* tgba/bdddict.hh (bdd_dict::register_propositions,
bdd_dict::register_accepting_variables): New methods.
* src/bdddict.cc: Likewise.
* tgba/tgbaexplicit.cc (tgba_explicit::add_conditions,
tgba_explicit::add_accepting_conditions): New methods.
(tgba_explicit::get_init_state): Add an "empty" initial
state to empty automata.
* tgba/tgbaexplicit.hh: (tgba_explicit::add_conditions,
tgba_explicit::add_accepting_conditions): New methods.
* tgbaalgos/Makefiles.am (tgbaalgos_HEADERS, libtgbaalgos_la_SOURCES):
Add dupexp.hh and dupexp.cc.
* tgbaalgos/dupexp.hh, tgbaalgos/dupexp.cc: New files.
* tgbatest/Makefile.am (AM_CXXFLAGS): New variable.
(check_SCRIPTS): Add dupexp.test.
(CLEANFILES): Add output1 and output2.
* tgbatest/dupexp.test: New file.
* tgbatest/ltl2tgba.cc: Handle -s and -S.
* tgbatest/tgbaread.cc: Remove unused variable exit_code.

not parsedecl.hh.
* src/tgbaparse/tgbascan.ll: Likewise, include tgbaparse/parsedecl.hh.

Check whether the state is in the current SCC before passing it
to h_filt().

attribute.
(tgba_succ_iterator_gspn_eesrg::step): Use first_.  Loop until
succ returns some successors.
Report from Soheib Baarir.

the iteration logic.
(tgba_succ_iterator_gspn_eesrg::tgba_succ_iterator_gspn_eesrg): Make
sure not to free successors_ twice.
(tgba_succ_iterator_gspn_eesrg::done): Fix definition.

call get_init_state(), use 0 instead.
(tgba_gspn_eesrg::format_state): Handle the case where s->left() == 0.
Reported by Soheib Baarir.

Really Skip unknown variables.

Skip unknown variables.

(tgba_gspn_eesrg_private_::tgba_gspn_eesrg_private_): Show prop_index()
and prop_kind() arguments on error.

(tgba_gspn_eesrg_private_::tgba_gspn_eesrg_private_): Show prop_index()
argument on error.

$(srcdir) before running bison, so that bison does not put
absolute filenames in generated files.
* src/tgbaparse/Makefile.am ($(FROM_TGBAPARSE_YY_MAIN)): Likewise.
Reported by Soheib Baarir.

Reported by Soheib Baarir.

* HACKING: Update.

$(srcdir).

* iface/gspn/Makefile.am (gspn_HEADERS): Add common.hh.
(libspotgspn_la_SOURCES): Add common.cc.
(libspotgspneesrg_la_LIBADD, libspotgspneesrg_la_CPPFLAGS)
(libspotgspneesrg_la_SOURCES, ltlgspn_eesrg_SOURCES)
(dotty_eesrg_LDADD, dotty_eesrg_CPPFLAGS): New variables.
(lib_LTLIBRARIES): Add libspotgspneesrg.la.
(check_PROGRAMS): Add dottygspn-eesrg.
* iface/gspn/gspn.hh, iface/gspn/gspn.cc
(gspn_exeption, operator<<(gspn_exeption), gspn_environment): Move ...
* iface/gspn/common.hh, iface/gspn/common.cc: ... in these new files.
* iface/gspn/eesrg.hh, iface/gspn/eesrg.cc, iface/gspn/dottyeesrg.cc:
New files.

Simplify, comment, and free memory.

(emptiness_check::accepting_path):
Simplify, comment, derecursive, and free memory...

into ...
(emptiness_check::connected_component,
emptiness_check::connected_component_set): ... these.
* src/tgbaalgos/emptinesscheck.cc: Adjust.

emptiness_check::~emptiness_check) New methods.
(emptiness_check::check): Release all iterators in todo on exit.
(emptiness_check::counter_example): Rewrite the BFS logic.
* src/tgbaalgos/emptinesscheck.hh (emptiness_check::h_filt,
emptiness_check::~emptiness_check): New methods.

(tgba_tba_proxy_succ_iterator::~tgba_tba_proxy_succ_iterator):
Delete the proxied iterator.

Remove unused tmp_last, best_lst, and tmp_acc variables.

Rewrite initialization.

Fix memory leak.

Simplify, reorganize, and comment.
* src/tgbaalgos/emptinesscheck.hh (emptiness_check::root_component):
Rename as ...
(emptiness_check::root): ... this, to follow the paper.

`emptiness_check::'.

Rewrite.

emptiness_check::counter_example): Simplify access to hashes
after calls to find() for the same element..

Rename as ...
(connected_component::set_type): ... this, and define as a hash_set.
(connected_component::has_state): New method.
* src/tgbaalgos/emptinesscheck.cc (connected_component::has_state):
New method.
(emptiness_check::counter_example, emptiness_check::complete_cycle,
emptiness_check::accepting_path): Simplify using has_state().

Rename as ...
(emptiness_check::h): ... this, and define as a hash_map.
(emptiness_check::remove_component): Remove superfluous state_map
argument.
* src/tgbaalgos/emptinesscheck.cc: Adjust.

Remove superfluous includes.

New, take the automaton to work on, and store it ...
(emptiness_check::aut_): ... in this new attribute.
(emptiness_check::tgba_emptiness_check): Rename as ...
(emptiness_check::check): ... this, and remove the automata
argument.
(emptiness_check::counter_example, emptiness_check::print_result,
emptiness_check::remove_component, emptiness_check::accepting_path,
emptiness_check::complete_cycle): Remove the automata argument.
* src/tgbaalgos/emptinesscheck.cc, src/tgbatest/ltl2tgba.cc,
iface/gspn/ltlgspn.cc: Adjust.

connected_component::transition_acc,
connected_component::nb_transition,
connected_component::nb_state): Remove these unused attributes.
(connected_component::connected_component): Merge the two
definitions into one.
(connected_component::~connected_component): Remove.
(connected_component::isAccepted): Delete, unused.
* src/tgbaalgos/emptinesscheck.cc
(connected_component::connected_component,
connected_component::~connected_component): Adjust.
(connected_component::isAccepted): Delete.
(spot):

* src/tgbatest/emptchk.test: Typo.

(emptiness_check::remove_component, emptiness_check::root_component,
emptiness_check::seen_state_num, emptiness_check::suffix): Move in
private part.
(emptiness_check::arc_accepting, emptiness_check::todo): Move ...
* src/tgbaalgos/emptinesscheck.cc
(emptiness_check::tgba_emptiness_check): ... as local variables
of this function.
* src/tgbaalgos/emptinesscheck.hh (emptiness_check::vec_component):
Move ...
(emptiness_check::counter_example): ... as local variable of this
function.
* src/tgbaalgos/emptinesscheck.hh (pair_state_iter, triplet):
Move ...
* src/tgbaalgos/emptinesscheck.cc (pair_state_iter, triplet):
... here.

(emptiness_check::remove_component, emptiness_check::root_component,
emptiness_check::seen_state_num, emptiness_check::suffix): Move in
private part.
(emptiness_check::arc_accepting, emptiness_check::todo): Move ...
* src/tgbaalgos/emptinesscheck.cc
(emptiness_check::tgba_emptiness_check): ... as local variables
of this function.
* src/tgbaalgos/emptinesscheck.hh (emptiness_check::vec_component):
Move ...
(emptiness_check::counter_example): ... as local variable of this
function.
* src/tgbaalgos/emptinesscheck.hh (pair_state_iter, triplet):
Move ...
* src/tgbaalgos/emptinesscheck.cc (pair_state_iter, triplet):
... here.

Indent output as in the magic search.