text: # -*- mode: python; coding: utf-8 -*-
  # Copyright (C) 2010, 2012, 2014, 2015, 2016 Laboratoire de Recherche et
  # Développement de l'EPITA.
  # Copyright (C) 2003, 2004 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 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/>.
  
  # Make sure that interdependencies between the spot and buddy wrappers
  # are not problematic.
  import buddy
  import spot
  import sys
  
  simp = spot.tl_simplifier()
  
  e = spot.default_environment.instance()
  pf = spot.parse_infix_psl('GFa', e)
  d = simp.get_dict()
  a = spot.ltl_to_tgba_fm(pf.f, d)
  g = spot.parse_infix_boolean('b&c', e)
  b = simp.as_bdd(g.f)
  buddy.bdd_printset(b); spot.nl_cout()
  del g
  
  s0 = a.get_init_state()
  it = a.succ_iter(s0)
  it.first()
  while not it.done():
      c = it.cond()
      sys.stdout.write("%s\n" % c)
      b &= c # `&=' is defined only in buddy.  So if this statement works
             # it means buddy can grok spot's objects.
      buddy.bdd_printset(c); spot.nl_cout()
      it.next()
  buddy.bdd_printset(b); spot.nl_cout()
  sys.stdout.write("%s\n" % b)
  del it
  del s0
  del b
  del c
  del pf
  del simp
  