An algorithm to complement TGBA into SABA.

* src/saba/sabacomplementtgba.hh,
src/saba/sabacomplementtgba.cc: New.  The algorithm.
* src/saba/Makefile.am: Adjust.
* src/sabatest/sabacomplementtgba.cc, src/sabatest/Makefile.am,
src/sabatest/defs.in: New.  Test the algorithm.
* configure.ac, src/Makefile.am: Adjust to the new directory
`sabatest'.

src/sabatest/sabacomplementtgba.cc

@@ -0,0 +1,69 @@
+#include <iostream>
+#include <cstring>
+
+#include <saba/saba.hh>
+#include <saba/sabacomplementtgba.hh>
+#include <tgba/tgba.hh>
+#include <tgbaparse/public.hh>
+#include <tgba/tgbatba.hh>
+#include <sabaalgos/sabadotty.hh>
+#include <tgbaalgos/ltl2tgba_fm.hh>
+#include <ltlparse/public.hh>
+
+void usage(const std::string& argv0)
+{
+  std::cerr
+    << "usage " << argv0 << " [options]" << std::endl
+    << "options:" << std::endl
+    << "-f formula          display the saba of !forumula"
+    << std::endl;
+}
+
+int main(int argc, char* argv[])
+{
+  std::string formula;
+  for (int i = 1; i < argc; ++i)
+  {
+    if (!strcmp(argv[i], "-f"))
+    {
+      if (i + 1 >= argc)
+      {
+        usage(argv[0]);
+        return 1;
+      }
+      formula = argv[++i];
+    }
+    else
+    {
+      usage(argv[0]);
+      return 1;
+    }
+  }
+
+  if (formula.empty())
+  {
+    usage(argv[0]);
+    return 1;
+  }
+
+  spot::bdd_dict* dict = new spot::bdd_dict();
+  spot::tgba* a;
+  spot::ltl::formula* f1 = 0;
+
+  spot::ltl::parse_error_list p1;
+  f1 = spot::ltl::parse(formula, p1);
+  if (spot::ltl::format_parse_errors(std::cerr, formula, p1))
+    return 2;
+
+  a = spot::ltl_to_tgba_fm(f1, dict);
+
+  spot::saba_complement_tgba* complement =
+    new spot::saba_complement_tgba(a);
+
+  spot::saba_dotty_reachable(std::cout, complement);
+
+  delete complement;
+  delete a;
+  f1->destroy();
+  delete dict;
+}