expansions: draft

spot/tl/expansions.hh

@@ -0,0 +1,46 @@
+// -*- coding: utf-8 -*-
+// Copyright (C) 2021 Laboratoire de Recherche et Développement de
+// l'Epita (LRDE).
+//
+// 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/>.
+
+#pragma once
+
+#include <map>
+
+#include <bddx.h>
+
+#include <spot/misc/bddlt.hh>
+#include <spot/tl/formula.hh>
+#include <spot/twa/bdddict.hh>
+#include <spot/twa/twagraph.hh>
+
+namespace spot
+{
+  using expansion_t = std::map<bdd, formula, bdd_less_than>;
+
+  SPOT_API expansion_t
+  expansion(formula f, const bdd_dict_ptr& d, void *owner);
+
+  SPOT_API formula
+  expansion_to_formula(expansion_t e, bdd_dict_ptr& d);
+
+  SPOT_API twa_graph_ptr
+  expand_automaton(formula f, bdd_dict_ptr d);
+
+  SPOT_API twa_graph_ptr
+  expand_finite_automaton(formula f, bdd_dict_ptr d);
+}