Method update

core/object/script_language.cpp:796–842

}

void PlaceHolderScriptInstance::update(const List<PropertyInfo> &p_properties, const HashMap<StringName, Variant> &p_values) {
	HashSet<StringName> new_values;
	for (const PropertyInfo &E : p_properties) {
		if (E.usage & (PROPERTY_USAGE_GROUP | PROPERTY_USAGE_SUBGROUP | PROPERTY_USAGE_CATEGORY)) {
			continue;
		}

		StringName n = E.name;
		new_values.insert(n);

		if (!values.has(n) || (E.type != Variant::NIL && values[n].get_type() != E.type)) {
			if (p_values.has(n)) {
				values[n] = p_values[n];
			}
		}
	}

	properties = p_properties;
	List<StringName> to_remove;

	for (KeyValue<StringName, Variant> &E : values) {
		if (!new_values.has(E.key)) {
			to_remove.push_back(E.key);
		}

		Variant defval;
		if (script->get_property_default_value(E.key, defval)) {
			//remove because it's the same as the default value
			if (defval == E.value) {
				to_remove.push_back(E.key);
			}
		}
	}

	while (to_remove.size()) {
		values.erase(to_remove.front()->get());
		to_remove.pop_front();
	}

	if (owner && owner->get_script_instance() == this) {
		owner->notify_property_list_changed();
	}
	//change notify

	constants.clear();
	script->get_constants(&constants);
}

void PlaceHolderScriptInstance::property_set_fallback(const StringName &p_name, const Variant &p_value, bool *r_valid) {
	if (script->is_placeholder_fallback_enabled()) {