grammar: warn about unused precedence for symbols

[bison.git] / src / reader.c

diff --git a/src/reader.c b/src/reader.c
index a3f8668524a8eccaa03f8c82d894bab6f66b5228..15392b50ea4b63c2045ab9c021fa4617ed841e32 100644 (file)
--- a/src/reader.c
+++ b/src/reader.c
@@ -1,7 +1,7 @@
 /* Input parser for Bison
 
    Copyright (C) 1984, 1986, 1989, 1992, 1998, 2000-2003, 2005-2007,
-   2009-2012 Free Software Foundation, Inc.
+   2009-2013 Free Software Foundation, Inc.
 
    This file is part of Bison, the GNU Compiler Compiler.
 
@@ -326,9 +326,9 @@ grammar_rule_check (const symbol_list *r)
           {
             warnings warn_flag = midrule_warning ? Wmidrule_values : Wother;
             if (n)
-              complain (&r->location, warn_flag, _("unused value: $%d"), n);
+              complain (&l->location, warn_flag, _("unused value: $%d"), n);
             else
-              complain (&r->location, warn_flag, _("unset value: $$"));
+              complain (&l->location, warn_flag, _("unset value: $$"));
           }
       }
   }
@@ -631,7 +631,7 @@ reader (void)
   gram_parse ();
   prepare_percent_define_front_end_variables ();
 
-  if (! complaint_issued)
+  if (complaint_status  < status_complaint)
     check_and_convert_grammar ();
 
   xfclose (gram_in);
@@ -641,7 +641,7 @@ static void
 prepare_percent_define_front_end_variables (void)
 {
   /* Set %define front-end variable defaults.  */
-  muscle_percent_define_default ("lr.keep-unreachable-states", "false");
+  muscle_percent_define_default ("lr.keep-unreachable-state", "false");
   {
     char *lr_type;
     /* IELR would be a better default, but LALR is historically the
@@ -649,9 +649,9 @@ prepare_percent_define_front_end_variables (void)
     muscle_percent_define_default ("lr.type", "lalr");
     lr_type = muscle_percent_define_get ("lr.type");
     if (STRNEQ (lr_type, "canonical-lr"))
-      muscle_percent_define_default ("lr.default-reductions", "most");
+      muscle_percent_define_default ("lr.default-reduction", "most");
     else
-      muscle_percent_define_default ("lr.default-reductions", "accepting");
+      muscle_percent_define_default ("lr.default-reduction", "accepting");
     free (lr_type);
   }
 
@@ -659,7 +659,7 @@ prepare_percent_define_front_end_variables (void)
   {
     static char const * const values[] = {
       "lr.type", "lalr", "ielr", "canonical-lr", NULL,
-      "lr.default-reductions", "most", "consistent", "accepting", NULL,
+      "lr.default-reduction", "most", "consistent", "accepting", NULL,
       NULL
     };
     muscle_percent_define_check_values (values);