Fixed code in first

[cascardo/grammar.git] / first.c

diff --git a/first.c b/first.c
index 034e15a..e79d98d 100644 (file)
--- a/first.c
+++ b/first.c
@@ -490,7 +490,9 @@ GList* first_get (GHashTable* first, symbol_t* symbol)
   if (g_hash_table_lookup_extended (first, symbol, NULL,
                                    (gpointer*) &first_set))
     {
-      g_hash_table_foreach (first->terminals, put_key_on_list, &l);
+      if (first_set->has_empty)
+       l = g_list_prepend (l, symbol_new (TRUE, 0));
+      g_hash_table_foreach (first_set->terminals, put_key_on_list, &l);
     }
   return l;