* src/output.c (header_output): Don't forget to export YYLTYPE and

[bison.git] / src / output.c

diff --git a/src/output.c b/src/output.c
index 60b79790037936f19295230cd0d0481ad6e115d4..4b1f999ea99eef3507ad95711bb75106f6107c5c 100644 (file)
--- a/src/output.c
+++ b/src/output.c
@@ -1128,6 +1128,26 @@ yystype;\n\
   if (!pure_parser)
     fprintf (out, "\nextern YYSTYPE %slval;\n",
             spec_name_prefix);
+
+  if (locations_flag)
+    {
+      fputs ("\n\n", out);
+      fprintf (out, "\
+#ifndef YYLTYPE\n\
+typedef struct yyltype\n\
+{\n\
+  int first_line;\n\
+  int first_column;\n\
+  int last_line;\n\
+  int last_column;\n\
+} yyltype;\n\
+# define YYLTYPE yyltype\n\
+#endif\n");
+      if (!pure_parser)
+       fprintf (out, "\nextern YYLTYPE %slloc;\n",
+                spec_name_prefix);
+    }
+
   if (semantic_parser)
     {
       int i;