move spot/bin/ and spot/tests/ up by one level

* spot/bin/: Move...
* bin/: ... here.
* spot/tests/: Move...
* tests/: ... here.
* Makefile.am, README, bench/stutter/Makefile.am,
bench/stutter/stutter_invariance_formulas.cc, doc/Makefile.am,
configure.ac, debian/rules, spot/Makefile.am, spot/ltsmin/Makefile.am,
spot/ltsmin/kripke.test, spot/sanity/style.test, python/tests/run.in:
Adjust.

bin/common_hoaread.cc

@@ -0,0 +1,90 @@
+// -*- coding: utf-8 -*-
+// Copyright (C) 2015 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/>.
+
+#include "common_hoaread.hh"
+#include "argmatch.h"
+#include "error.h"
+
+enum
+  {
+    OPT_TRUST_HOA = 1,
+  };
+
+static const argp_option options[] =
+{
+  { "trust-hoa", OPT_TRUST_HOA, "BOOL", 0,
+    "If False, properties listed in HOA files are ignored, "
+    "unless they can be easily verified.  If True (the default) "
+    "any supported property is trusted.", 1 },
+  { nullptr, 0, nullptr, 0, nullptr, 0 }
+};
+
+spot::automaton_parser_options opt_parse;
+
+spot::twa_graph_ptr
+read_automaton(const char* filename, spot::bdd_dict_ptr& dict)
+{
+  auto p = spot::parse_aut(filename, dict,
+			   spot::default_environment::instance(),
+			   opt_parse);
+  if (p->format_errors(std::cerr))
+    error(2, 0, "failed to read automaton from %s", filename);
+  if (p->aborted)
+    error(2, 0, "failed to read automaton from %s (--ABORT-- read)", filename);
+  return std::move(p->aut);
+}
+
+static bool parse_bool(const char* opt, const char* arg)
+{
+  enum bool_type { bool_false, bool_true };
+  static char const *const bool_args[] =
+    {
+      "false", "no", "0",
+      "true", "yes", "1",
+      nullptr
+    };
+  static bool_type const bool_types[] =
+    {
+      bool_false, bool_false, bool_false,
+      bool_true, bool_true, bool_true,
+    };
+  ARGMATCH_VERIFY(bool_args, bool_types);
+  bool_type bt = XARGMATCH(opt, arg, bool_args, bool_types);
+  return bt == bool_true;
+}
+
+static int
+parse_opt_hoaread(int key, char* arg, struct argp_state*)
+{
+  // This switch is alphabetically-ordered.
+  switch (key)
+    {
+    case OPT_TRUST_HOA:
+      opt_parse.trust_hoa = parse_bool("--trust-hoa", arg);
+      break;
+    default:
+      return ARGP_ERR_UNKNOWN;
+    }
+  return 0;
+}
+
+
+const struct argp hoaread_argp = { options, parse_opt_hoaread,
+				   nullptr, nullptr, nullptr,
+				   nullptr, nullptr };