build_node
name_node(build_node(NULL, NULL, NULL),
$$ = build_node($2, $3, &@$);
struct node *build_node(struct property *proplist, struct node *children,
node = build_node(NULL, NULL, NULL);
tree = build_node(NULL, NULL, NULL);
node = build_node(p, new_node, NULL);
node = build_node(NULL, NULL, NULL);