X-Git-Url: https://git.saurik.com/bison.git/blobdiff_plain/4c9b8f1318c68238074ee19e7ab976a22924540e..0fe5a72a262cd4680513d135e1161f345fc3afb1:/src/complain.c

diff --git a/src/complain.c b/src/complain.c
index 44e1b1ea..2e87097f 100644
--- a/src/complain.c
+++ b/src/complain.c
@@ -365,3 +365,13 @@ deprecated_directive (location const *loc, char const *old, char const *upd)
               _("deprecated directive: %s, use %s"),
               quote (old), quote_n (1, upd));
 }
+
+void
+duplicate_directive (char const *directive,
+                     location first, location second)
+{
+  unsigned i = 0;
+  complain (&second, complaint, _("only one %s allowed per rule"), directive);
+  i += SUB_INDENT;
+  complain_indent (&first, complaint, &i, _("previous declaration"));
+}