} else if (object instanceof String) {
type = type_string;
string = (String) object;
+ } else if (object == null) {
+ System.out.printf("unexpected null object\n");
+ } else if (object.getClass() == null) {
+ System.out.printf("unexpected null object class\n");
} else if (object.getClass().isArray()) {
assert_array(true);