* configure.ac: Output src/tgbaparse/Makefile.

* src/Makefile.am (SUBDIRS): Add tgbaparse.
(libspot_la_LDADD): Add tgbaparse/libtgbaparse.la.
* src/tgba/tgbaexplicit.cc (tgba_explicit::get_condition,
tgba_explicit::get_promise, tgba_explicit::add_neg_condition,
tgba_explicit::add_neg_promise): New methods.
* src/tgba/tgbaexplicit.hh: Declare them.
* src/tgbaparse/Makefile.am, src/tgbaparse/fmterror.cc,
src/tgbaparse/parsedecl.hh, src/tgbaparse/public.hh,
src/tgbaparse/tgbaparse.yy, src/tgbaparse/tgbascan.ll,
src/tgbatest/tgbaread.cc, src/tgbatest/tgbaread.test: New files.
* src/tgbatest/Makefile.am (check_PROGRAMS): Add tgbaread.
(TESTS): Add tgbaread.cc.
(CLEANFILES): Add input.
(tgbaread_SOURCES): New variable.

src/tgbatest/.cvsignore

@@ -4,3 +4,4 @@ Makefile.in
 defs
 explicit
 .libs
+tgbaread

src/tgbatest/Makefile.am

@@ -4,13 +4,16 @@ LDADD = ../libspot.la
 check_SCRIPTS = defs
 # Keep this sorted alphabetically.
 check_PROGRAMS = \
-  explicit
+  explicit \
+  tgbaread
 
 explicit_SOURCES = explicit.cc
+tgbaread_SOURCES = tgbaread.cc
 
 TESTS = \
-  explicit.test
+  explicit.test \
+  tgbaread.test
 
 EXTRA_DIST = $(TESTS)
 
-CLEANFILES = stdout expected
+CLEANFILES = inpu stdout expected

src/tgbatest/tgbaread.cc

@@ -0,0 +1,50 @@
+#include <iostream>
+#include "tgbaparse/public.hh"
+#include "tgba/tgbaexplicit.hh"
+#include "tgbaalgos/dotty.hh"
+
+void
+syntax(char* prog)
+{
+  std::cerr << prog << " [-d] filename" << std::endl;
+  exit(2);
+}
+
+int
+main(int argc, char** argv)
+{
+  int exit_code = 0;
+
+  if (argc < 2)
+    syntax(argv[0]);
+
+  bool debug = false;
+  int filename_index = 1;
+
+  if (!strcmp(argv[1], "-d"))
+    {
+      debug = true;
+      if (argc < 3)
+	syntax(argv[0]);
+      filename_index = 2;
+    }
+
+  spot::ltl::environment& env(spot::ltl::default_environment::instance());
+  spot::tgba_parse_error_list pel;
+  spot::tgba_explicit* a = spot::tgba_parse(argv[filename_index],
+					    pel, env, debug);
+  
+  exit_code =
+    spot::format_tgba_parse_errors(std::cerr, pel);
+
+  if (a)
+    {
+      spot::dotty_reachable(std::cout, *a);
+      delete a;
+    }
+  else
+    {
+      exit_code = 1;
+    }
+  return exit_code;
+}

src/tgbatest/tgbaread.test

@@ -0,0 +1,31 @@
+#!/bin/sh
+
+. ./defs
+
+set -e
+
+cat >input <<EOF
+s1, "s2", a!b, c d;
+"s2", "state 3", a, !c;
+"state 3", s1,,;
+EOF
+
+./tgbaread input > stdout
+
+cat >expected <<EOF
+digraph G {
+  size="7.26,10.69"
+  0 [label="", style=invis]
+  1 [label="s1"]
+  0 -> 1
+  2 [label="s2"]
+  1 -> 2 [label="<a:1, b:0>\n<Prom[c]:1, Prom[d]:1>"]
+  3 [label="state 3"]
+  2 -> 3 [label="<a:1>\n<Prom[c]:0>"]
+  3 -> 1 [label="T\nT"]
+}
+EOF
+
+diff stdout expected
+
+rm input stdout expected