undefined but unused is a warning

[bison.git] / src / symtab.c

diff --git a/src/symtab.c b/src/symtab.c
index 68c33c7aeab616eb2fa986c595cda75de28bdb40..21c61255b9c39f8f033e9d34004b879d6a5d1675 100644 (file)
--- a/src/symtab.c
+++ b/src/symtab.c
@@ -383,26 +383,12 @@ symbol_check_defined (symbol *sym)
 {
   if (sym->class == unknown_sym)
     {
-      switch (sym->status)
-        {
-        case used:
-          complain_at (sym->location, Wother,
-                       _("symbol %s is used, but is not defined as a token"
-                         " and has no rules"),
-                       sym->tag);
-          break;
-        case undeclared:
-        case needed:
-          complain_at (sym->location, complaint,
-                       _("symbol %s is used, but is not defined as a token"
-                         " and has no rules"),
-                    sym->tag);
-          break;
-        case declared:
-          /* If declared, then sym->class != unknown_sym. */
-          assert (0);
-        }
-
+      assert (sym->status != declared);
+      complain_at (sym->location,
+                   sym->status == needed ? complaint : Wother,
+                   _("symbol %s is used, but is not defined as a token"
+                     " and has no rules"),
+                   sym->tag);
       sym->class = nterm_sym;
       sym->number = nvars++;
     }