Pacify "gcc -Wunused" for the input function from Flex.

[bison.git] / src / symlist.h

diff --git a/src/symlist.h b/src/symlist.h
index df3a0421302f8dfba2c9aba0693716ce18094c25..e02c9e4f72d9cd147456a124d7cbce70975985bf 100644 (file)
--- a/src/symlist.h
+++ b/src/symlist.h
@@ -114,6 +114,9 @@ symbol_list *symbol_list_n_get (symbol_list *l, int n);
    symbol N in rule RULE.  */
 uniqstr symbol_list_n_type_name_get (symbol_list *l, location loc, int n);
 
+/* Check whether the node is a border element of a rule. */
+bool symbol_list_null (symbol_list *node);
+
 /** Set the \c \%destructor for \c node as \c code at \c loc.  */
 void symbol_list_destructor_set (symbol_list *node, char const *code,
                                  location loc);