lalr1.cc: check (and fix) %initial-action exception safety

[bison.git] / src / gram.c

diff --git a/src/gram.c b/src/gram.c
index 6b9eda13b7c4d60df0950388bf27dfeec3919b81..d1b3804337bd55a622896ae571453fa696c77c62 100644 (file)
--- a/src/gram.c
+++ b/src/gram.c
@@ -1,7 +1,7 @@
 /* Allocate input grammar variables for Bison.
 
-   Copyright (C) 1984, 1986, 1989, 2001, 2002, 2003, 2005, 2006
-   2007 Free Software Foundation, Inc.
+   Copyright (C) 1984, 1986, 1989, 2001-2003, 2005-2012 Free Software
+   Foundation, Inc.
 
    This file is part of Bison, the GNU Compiler Compiler.
 
@@ -21,13 +21,13 @@
 #include <config.h>
 #include "system.h"
 
-#include <quotearg.h>
-
+#include "complain.h"
+#include "getargs.h"
 #include "gram.h"
+#include "print-xml.h"
 #include "reader.h"
 #include "reduce.h"
 #include "symtab.h"
-#include "print-xml.h"
 
 /* Comments for these variables are in gram.h.  */
 
@@ -224,7 +224,8 @@ grammar_rules_print_xml (FILE *out, int level)
         fprintf (out, "<rule number=\"%d\" usefulness=\"%s\"",
                  rules[r].number, usefulness);
         if (rules[r].precsym)
-          fprintf (out, " percent_prec=\"%s\"", rules[r].precsym->tag);
+          fprintf (out, " percent_prec=\"%s\"",
+                   xml_escape (rules[r].precsym->tag));
         fputs (">\n", out);
       }
       rule_lhs_print_xml (&rules[r], out, level + 3);
@@ -307,9 +308,12 @@ grammar_rules_useless_report (const char *message)
   for (r = 0; r < nrules ; ++r)
     if (!rules[r].useful)
       {
-       location_print (stderr, rules[r].location);
-       fprintf (stderr, ": %s: %s: ", _("warning"), message);
-       rule_print (&rules[r], stderr);
+        warn_at (rules[r].location, "%s: ", message);
+        if (warnings_flag & warnings_other)
+          {
+            rule_print (&rules[r], stderr);
+            fflush (stderr);
+          }
       }
 }