dac3d78244
Part of issue #497. * doc/org/concepts.org: Declare a new "aliases" named property. * spot/parseaut/parseaut.yy: Fill the aliases named property. * spot/twa/twa.cc (copy_named_properties_of): Copy it. * spot/twaalgos/hoa.cc: Use "aliases" while encoding BDDs for output. * spot/twaalgos/hoa.hh: Add helper function to set/get aliases. * python/spot/impl.i: Create a type for aliases. * tests/core/parseaut.test: Adjust test case. * tests/python/aliases.py: New file. * tests/Makefile.am: Add it. * NEWS: Mention this change.
152 lines
2.5 KiB
Python
152 lines
2.5 KiB
Python
# -*- mode: python; coding: utf-8 -*-
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# Copyright (C) 2020, 2022 Laboratoire de Recherche et Développement de l'Epita
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# (LRDE).
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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 3 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 this program. If not, see <http://www.gnu.org/licenses/>.
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# Test for parts of Issue #497.
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import spot
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aut = spot.automaton("""
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HOA: v1
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States: 1
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Start: 0
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acc-name: who cares
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Acceptance: 0 t
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properties: very-weak
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AP: 3 "x" "y" "z"
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Alias: @p0 0
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Alias: @p1 1
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Alias: @a !@p0&!@p1
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Alias: @b !@p0&@p1
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Alias: @c @p0&!@p1
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--BODY--
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State: 0
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[@p0] 0
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[!@p0] 0
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[@p1] 0
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[!@p1] 0
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[@a] 0
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[!@a] 0
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[@b] 0
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[!@b] 0
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[@c] 0
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[!@c] 0
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[@a|@b] 0
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[@a|@c] 0
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[@b|@c] 0
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[@a|@b|@c] 0
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[!@a|!@b] 0
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[!@a|!@c] 0
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[!@b|!@c] 0
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[@p0&@p1] 0
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[!@a&!@b] 0
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[!@a&!@c] 0
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[!@b&!@c] 0
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[!@b&!@c&2] 0
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[@a&2] 0
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[!@a&2] 0
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--END--""")
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s = aut.to_str('hoa')
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aut2 = spot.automaton(s)
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assert aut.equivalent_to(aut2)
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s2 = aut.to_str('hoa')
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assert s == s2
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assert s == """HOA: v1
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States: 1
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Start: 0
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AP: 3 "x" "y" "z"
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acc-name: all
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Acceptance: 0 t
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properties: trans-labels explicit-labels state-acc complete very-weak
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Alias: @p0 0
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Alias: @p1 1
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Alias: @a !@p1&!@p0
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Alias: @b @p1&!@p0
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Alias: @c !@p1&@p0
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--BODY--
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State: 0
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[@p0] 0
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[!@p0] 0
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[@p1] 0
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[!@p1] 0
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[@a] 0
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[!@a] 0
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[@b] 0
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[!@b] 0
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[@c] 0
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[!@c] 0
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[!@p0] 0
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[!@p1] 0
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[@c | @b] 0
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[@c | @b | @a] 0
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[t] 0
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[t] 0
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[t] 0
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[@p1&@p0] 0
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[@p0] 0
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[@p1] 0
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[!@c&!@b] 0
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[@a&2 | @p1&@p0&2] 0
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[@a&2] 0
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[@p0&2 | @p1&2] 0
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--END--"""
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# Check what happens to aliases when an AP has been removed, but
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# the aliases have been preserved...
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rem = spot.remove_ap()
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rem.add_ap("x")
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aut3 = rem.strip(aut)
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spot.set_aliases(aut3, spot.get_aliases(aut))
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s2 = aut3.to_str('hoa')
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# Aliases based on "x" should have disappeared.
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assert(s2 == """HOA: v1
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States: 1
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Start: 0
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AP: 2 "y" "z"
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acc-name: all
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Acceptance: 0 t
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properties: trans-labels explicit-labels state-acc complete very-weak
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Alias: @p1 0
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--BODY--
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State: 0
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[t] 0
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[t] 0
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[@p1] 0
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[!@p1] 0
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[!@p1] 0
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[t] 0
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[@p1] 0
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[t] 0
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[!@p1] 0
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[t] 0
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[t] 0
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[!@p1] 0
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[t] 0
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[t] 0
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[t] 0
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[t] 0
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[t] 0
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[@p1] 0
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[t] 0
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[@p1] 0
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[t] 0
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[1] 0
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[!@p1&1] 0
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[1] 0
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--END--""")
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