rename src/tgbaalgos/ as src/twaalgos/

Automatic mass renaming.

* src/tgbaalgos/: Rename as...
* src/twaalgos/: ... this.
* README, configure.ac, iface/ltsmin/modelcheck.cc, src/Makefile.am,
src/bin/autfilt.cc, src/bin/common_aoutput.cc,
src/bin/common_aoutput.hh, src/bin/common_output.hh,
src/bin/common_post.hh, src/bin/dstar2tgba.cc, src/bin/ltl2tgba.cc,
src/bin/ltl2tgta.cc, src/bin/ltlcross.cc, src/bin/ltldo.cc,
src/bin/ltlfilt.cc, src/bin/randaut.cc, src/dstarparse/dra2ba.cc,
src/dstarparse/nra2nba.cc, src/dstarparse/nsa2tgba.cc,
src/graphtest/twagraph.cc, src/kripke/kripkeprint.cc,
src/ltlvisit/contain.cc, src/ltlvisit/contain.hh,
src/ltlvisit/exclusive.cc, src/taalgos/emptinessta.hh,
src/tgbatest/checkpsl.cc, src/tgbatest/checkta.cc,
src/tgbatest/complementation.cc, src/tgbatest/emptchk.cc,
src/tgbatest/ltl2tgba.cc, src/tgbatest/ltlprod.cc,
src/tgbatest/randtgba.cc, src/tgbatest/taatgba.cc, src/twa/twa.cc,
src/twa/twagraph.hh, src/twa/twasafracomplement.cc,
wrap/python/spot_impl.i: Adjust.

src/twaalgos/translate.hh

@@ -0,0 +1,127 @@
+// -*- coding: utf-8 -*-
+// Copyright (C) 2013, 2014 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 "postproc.hh"
+#include "ltlvisit/simplify.hh"
+
+namespace spot
+{
+  /// \ingroup twa_ltl
+  /// \brief Translate an LTL formula into an optimized spot::tgba.
+  ///
+  /// This class implements a three-step translation:
+  /// - syntactic simplification of the formula
+  /// - translation of the formula into TGBA
+  /// - postprocessing of the resulting TGBA to minimize it, or
+  ///   turn it into the required form.
+  ///
+  /// Method set_type() may be used to specify the type of
+  /// automaton produced (TGBA, BA, Monitor).  The default is TGBA.
+  ///
+  /// Method set_pref() may be used to specify whether small automata
+  /// should be prefered over deterministic automata.
+  ///
+  /// Method set_level() may be used to specify the optimization level.
+  ///
+  /// The semantic of these three methods is inherited from the
+  /// spot::postprocessor class, but the optimization level is
+  /// additionally used to select which LTL simplifications to enable.
+  class SPOT_API translator: protected postprocessor
+  {
+  public:
+    translator(ltl::ltl_simplifier* simpl, const option_map* opt = 0)
+      : postprocessor(opt), simpl_(simpl), simpl_owned_(0)
+    {
+      assert(simpl);
+      setup_opt(opt);
+    }
+
+    translator(const bdd_dict_ptr& dict, const option_map* opt = 0)
+      : postprocessor(opt)
+    {
+      build_simplifier(dict);
+      setup_opt(opt);
+    }
+
+    translator(const option_map* opt = 0)
+      : postprocessor(opt)
+    {
+      build_simplifier(make_bdd_dict());
+      setup_opt(opt);
+    }
+
+    ~translator()
+    {
+      // simpl_owned_ is 0 if simpl_ was supplied to the constructor.
+      delete simpl_owned_;
+    }
+
+    typedef postprocessor::output_type output_type;
+
+    void
+    set_type(output_type type)
+    {
+      this->postprocessor::set_type(type);
+    }
+
+    typedef postprocessor::output_pref output_pref;
+
+    void
+    set_pref(output_pref pref)
+    {
+      this->postprocessor::set_pref(pref);
+    }
+
+    typedef postprocessor::optimization_level optimization_level;
+
+    void
+    set_level(optimization_level level)
+    {
+      level_ = level;
+    }
+
+    /// \brief Convert \a f into an automaton.
+    ///
+    /// The formula \a f is simplified internally, but it is not
+    /// not destroyed (this is the responsibility of the caller).
+    twa_graph_ptr run(const ltl::formula* f);
+
+    /// \brief Convert \a f into an automaton, and update f.
+    ///
+    /// The formula <code>*f</code> is destroyed, and replaced
+    /// by the simplified version, which should be destroyed by
+    /// the caller.
+    twa_graph_ptr run(const ltl::formula** f);
+
+  protected:
+    void setup_opt(const option_map* opt);
+    void build_simplifier(const bdd_dict_ptr& dict);
+
+  private:
+    ltl::ltl_simplifier* simpl_;
+    ltl::ltl_simplifier* simpl_owned_;
+    int comp_susp_;
+    int early_susp_;
+    int skel_wdba_;
+    int skel_simul_;
+  };
+  /// @}
+}