289b2383ad
Related to #172, where we discussed that scc_info bindings were missing. * spot/twaalgos/sccinfo.hh (spot::scc_info::scc_node): Move... (spot::scc_info_node): ... here to help Swig. * python/spot/impl.i: Add bindings for scc_info. * tests/python/sccinfo.py: New file. * tests/Makefile.am: Add it.
66 lines
1.6 KiB
Python
66 lines
1.6 KiB
Python
#!/usr/bin/python3
|
|
# -*- mode: python; coding: utf-8 -*-
|
|
# Copyright (C) 2017 Laboratoire de Recherche et Développement de
|
|
# l'EPITA.
|
|
#
|
|
# 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 3 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 this program. If not, see <http://www.gnu.org/licenses/>.
|
|
|
|
import spot
|
|
|
|
a = spot.translate('(Ga -> Gb) W c')
|
|
|
|
si = spot.scc_info(a)
|
|
n = si.scc_count()
|
|
assert n == 4
|
|
|
|
acc = 0
|
|
rej = 0
|
|
triv = 0
|
|
for i in range(n):
|
|
acc += si.is_accepting_scc(i)
|
|
rej += si.is_rejecting_scc(i)
|
|
triv += si.is_trivial(i)
|
|
assert acc == 3
|
|
assert rej == 1
|
|
assert triv == 0
|
|
|
|
for scc in si:
|
|
acc -= scc.is_accepting()
|
|
rej -= scc.is_rejecting()
|
|
triv -= scc.is_trivial()
|
|
assert acc == 0
|
|
assert rej == 0
|
|
assert triv == 0
|
|
|
|
l0 = si.states_of(0)
|
|
l1 = si.states_of(1)
|
|
l2 = si.states_of(2)
|
|
l3 = si.states_of(3)
|
|
l = sorted(list(l0) + list(l1) + list(l2) + list(l3))
|
|
assert l == [0, 1, 2, 3, 4]
|
|
|
|
i = si.initial()
|
|
todo = {i}
|
|
seen = {i}
|
|
while todo:
|
|
e = todo.pop()
|
|
for s in si.succ(e):
|
|
if s not in seen:
|
|
seen.add(s)
|
|
todo.add(s)
|
|
assert seen == {0, 1, 2, 3}
|
|
|
|
assert not spot.is_weak_automaton(a, si)
|