* src/tgbaalgos/projrun.hh, src/tgbaalgos/projrun.cc: New files.

* src/tgbaalgos/Makefile.am (tgbaalgos_HEADERS,
libtgbaalgos_la_SOURCES): Add them.
* iface/gspn/ltlgspn.cc (main): Call project_tgba_run if -P.

ChangeLog

@@ -1,5 +1,10 @@
 2004-11-02  Alexandre Duret-Lutz  <adl@src.lip6.fr>
 
+	* src/tgbaalgos/projrun.hh, src/tgbaalgos/projrun.cc: New files.
+	* src/tgbaalgos/Makefile.am (tgbaalgos_HEADERS,
+	libtgbaalgos_la_SOURCES): Add them.
+	* iface/gspn/ltlgspn.cc (main): Call project_tgba_run if -P.
+
 	* src/tgbaalgos/emptiness.cc,
 	src/tgbaalgos/emptiness.hh (print_tgba_run): Take the tgba*
 	argument before the tgba_run* argument (for consistency with

iface/gspn/ltlgspn.cc

@@ -37,6 +37,7 @@
 #include "tgbaalgos/magic.hh"
 #include "tgbaalgos/gtec/gtec.hh"
 #include "tgbaalgos/gtec/ce.hh"
+#include "tgbaalgos/projrun.hh"
 
 
 void
@@ -266,8 +267,16 @@ main(int argc, char **argv)
 		      }
 #endif
 		    spot::tgba_run* run = ce->accepting_run();
-		    // FIXME: reimplement the projection
+		    if (proj)
-		    spot::print_tgba_run(std::cout, prod, run);
+		      {
+			spot::tgba_run* p = project_tgba_run(prod, model, run);
+			spot::print_tgba_run(std::cout, model, p);
+			delete p;
+		      }
+		    else
+		      {
+			spot::print_tgba_run(std::cout, prod, run);
+		      }
 		    ce->print_stats(std::cout);
 		    delete run;
 		    delete ce;
@@ -301,8 +310,16 @@ main(int argc, char **argv)
 		if (compute_counter_example)
 		  {
 		    spot::tgba_run* run = res->accepting_run();
-		    // FIXME: reimplement the projection
+		    if (proj)
-		    spot::print_tgba_run(std::cout, prod, run);
+		      {
+			spot::tgba_run* p = project_tgba_run(prod, model, run);
+			spot::print_tgba_run(std::cout, model, p);
+			delete p;
+		      }
+		    else
+		      {
+			spot::print_tgba_run(std::cout, prod, run);
+		      }
 		    delete run;
 		  }
 		else

src/tgbaalgos/Makefile.am

@@ -36,6 +36,7 @@ tgbaalgos_HEADERS = \
   magic.hh \
   neverclaim.hh \
   powerset.hh \
+  projrun.hh \
   reachiter.hh \
   replayrun.hh \
   save.hh \
@@ -53,6 +54,7 @@ libtgbaalgos_la_SOURCES = \
   magic.cc \
   neverclaim.cc \
   powerset.cc \
+  projrun.cc \
   reachiter.cc \
   replayrun.cc \
   save.cc \

src/tgbaalgos/projrun.cc

@@ -0,0 +1,51 @@
+// Copyright (C) 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 2 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 Spot; see the file COPYING.  If not, write to the Free
+// Software Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA
+// 02111-1307, USA.
+
+#include "projrun.hh"
+#include "tgba/tgba.hh"
+#include "tgbaalgos/emptiness.hh"
+
+namespace spot
+{
+
+  tgba_run*
+  project_tgba_run(const tgba* a_run, const tgba* a_proj, const tgba_run* run)
+  {
+    tgba_run* res = new tgba_run;
+    for (tgba_run::steps::const_iterator i = run->prefix.begin();
+	 i != run->prefix.end(); ++i)
+      {
+	tgba_run::step s = { a_run->project_state(i->s, a_proj),
+			     i->label,
+			     i->acc };
+	res->prefix.push_back(s);
+      }
+    for (tgba_run::steps::const_iterator i = run->cycle.begin();
+	 i != run->cycle.end(); ++i)
+      {
+	tgba_run::step s = { a_run->project_state(i->s, a_proj),
+			     i->label,
+			     i->acc };
+	res->cycle.push_back(s);
+      }
+    return res;
+  }
+}

src/tgbaalgos/projrun.hh

@@ -0,0 +1,47 @@
+// Copyright (C) 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 2 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 Spot; see the file COPYING.  If not, write to the Free
+// Software Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA
+// 02111-1307, USA.
+
+#ifndef SPOT_TGBAALGOS_PROJRUN_HH
+# define SPOT_TGBAALGOS_PROJRUN_HH
+
+#include <iosfwd>
+
+namespace spot
+{
+  struct tgba_run;
+  class tgba;
+
+  /// \brief Project a tgba_run on a tgba.
+  ///
+  /// If a tgba_run has been generated on a product, or any other
+  /// on-the-fly algorithm with tgba operands,
+  ///
+  /// \param run the run to replay
+  /// \param a_run the automata on which the run was generated
+  /// \param a_proj the automata on which to project the run
+  /// \param os the stream on which the replay should be traced
+  /// \return true iff the run could be completed
+  tgba_run* project_tgba_run(const tgba* a_run,
+			     const tgba* a_proj,
+			     const tgba_run* run);
+}
+
+#endif // SPOT_TGBAALGOS_PROJRUN_HH