/*---------------------------------------.
+| Deep clear a linked / adjacency list). |
+`---------------------------------------*/
+
+static void
+linkedlist_free (symgraphlink *node)
+{
+ if (node)
+ {
+ while (node->next)
+ {
+ symgraphlink *tmp = node->next;
+ free (node);
+ node = tmp;
+ }
+ free (node);
+ }
+}
+
+/*----------------------------------------------.
+| Clear and destroy association tracking table. |
+`----------------------------------------------*/
+
+static void
+assoc_free (void)
+{
+ int i;
+ for (i = 0; i < nsyms; ++i)
+ {
+ linkedlist_free (prec_nodes[i]->pred);
+ linkedlist_free (prec_nodes[i]->succ);
+ free (prec_nodes[i]);
+ }
+ free (prec_nodes);
+}
+
+/*---------------------------------------.
| Initialize association tracking table. |
`---------------------------------------*/
complain (&s->location, Wprecedence,
_("useless associativity for %s, use %%precedence"), s->tag);
}
+ free (used_assoc);
+ assoc_free ();
}