tests: enhance AT_SYNCLINES_COMPILE.

[bison.git] / src / graphviz.c

diff --git a/src/graphviz.c b/src/graphviz.c
index d7447aafc8f77aba1896d3db6279f80348b06b12..5eefcbf21c9e78c1f9c6017434b1228e9e368fad 100644 (file)
--- a/src/graphviz.c
+++ b/src/graphviz.c
@@ -1,23 +1,21 @@
 /* Output Graphviz specification of a state machine generated by Bison.
 
-   Copyright (C) 2006 Free Software Foundation, Inc.
+   Copyright (C) 2006-2007, 2009-2010 Free Software Foundation, Inc.
 
    This file is part of Bison, the GNU Compiler Compiler.
 
-   Bison is free software; you can redistribute it and/or modify
+   This program 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, or (at your option)
-   any later version.
+   the Free Software Foundation, either version 3 of the License, or
+   (at your option) any later version.
 
-   Bison is distributed in the hope that it will be useful,
+   This program 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 Bison; see the file COPYING.  If not, write to
-   the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
-   Boston, MA 02110-1301, USA.  */
+   along with this program.  If not, see <http://www.gnu.org/licenses/>.  */
 
 /* Written by Paul Eggert and Satya Kiran Popuri.  */
 
@@ -26,6 +24,7 @@
 
 #include <quotearg.h>
 
+#include "files.h"
 #include "graphviz.h"
 
 /* Return an unambiguous printable representation for NAME, suitable
@@ -40,20 +39,31 @@ quote (char const *name)
 void
 start_graph (FILE *fout)
 {
-  fputs ("digraph Automaton{\n", fout);
+  fprintf (fout,
+           _("// Generated by %s.\n"
+             "// Report bugs to <%s>.\n"
+             "// Home page: <%s>.\n"
+             "\n"),
+           PACKAGE_STRING,
+           PACKAGE_BUGREPORT,
+           PACKAGE_URL);
+  fprintf (fout,
+           "digraph %s\n"
+           "{\n",
+           quote (grammar_file));
 }
 
 void
 output_node (int id, char const *label, FILE *fout)
 {
-  fprintf (fout, "%d[label=%s]\n", id, quote (label));
+  fprintf (fout, "  %d [label=%s]\n", id, quote (label));
 }
 
 void
 output_edge (int source, int destination, char const *label,
             char const *style, FILE *fout)
 {
-  fprintf (fout, "%d->%d[style=%s", source, destination, style);
+  fprintf (fout, "  %d -> %d [style=%s", source, destination, style);
   if (label)
     fprintf (fout, " label=%s", quote (label));
   fputs ("]\n", fout);