/**
* Register a class loader as a delegate
*
* @param lang.IClassLoader l
* @param bool before default FALSE whether to register this as the first loader
* @return lang.IClassLoader the registered loader
*/
public static function registerLoader(IClassLoader $l, $before = false)
{
$id = $l->instanceId();
if ($before) {
self::$delegates = array_merge([$id => $l], self::$delegates);
} else {
self::$delegates[$id] = $l;
}
if (!isset(self::$modules[$id]) && $l->providesResource('module.xp')) {
self::$modules[$id] = Module::$INCOMPLETE;
try {
self::$modules[$id] = Module::register(self::declareModule($l));
} catch (Throwable $e) {
unset(self::$delegates[$id], self::$modules[$id]);
throw $e;
}
}
return $l;
}
