ObjFW  Check-in [69f63f872a]

{
	const char *superclass;

	if (cls->info & OBJC_CLASS_INFO_SETUP)
		return;

	if ((superclass = ((struct objc_abi_class*)cls)->superclass) != NULL) {
		Class super = objc_classname_to_class(superclass);

		if (super == nil)
			return;

		if ((cls->superclass = objc_lookup_class(superclass)) == Nil)
		setup_class(super);

		if (!(super->info & OBJC_CLASS_INFO_SETUP))
			return;

		cls->superclass = super;
		cls->isa->superclass = cls->superclass->isa;
		cls->isa->superclass = super->isa;

		add_subclass(cls);
		add_subclass(cls->isa);
	} else
		cls->isa->superclass = cls;

	objc_update_dtable(cls);
	objc_update_dtable(cls->isa);

	cls->info |= OBJC_CLASS_INFO_SETUP;
	cls->isa->info |= OBJC_CLASS_INFO_SETUP;
}

static void
initialize_class(Class cls)
{
	if (cls->info & OBJC_CLASS_INFO_INITIALIZED)
		return;

	if (cls->superclass)
		initialize_class(cls->superclass);

	/*
	 * Set it first to prevent calling it recursively due to message sends
	 * in the initialize method
	 */
	cls->info |= OBJC_CLASS_INFO_INITIALIZED;
	cls->isa->info |= OBJC_CLASS_INFO_INITIALIZED;

	call_method(cls, "initialize");
}

void
objc_register_all_classes(struct objc_abi_symtab *symtab)
{
	size_t i;

	for (i = 0; i < symtab->cls_def_cnt; i++)

	setup_class(cls);

	if (!(cls->info & OBJC_CLASS_INFO_SETUP)) {
		objc_global_mutex_unlock();
		return Nil;
	}

	/* Set it first to prevent calling it recursively */
	cls->info |= OBJC_CLASS_INFO_INITIALIZED;
	cls->isa->info |= OBJC_CLASS_INFO_INITIALIZED;

	call_method(cls, "initialize");
	initialize_class(cls);

	objc_global_mutex_unlock();

	return cls;
}

Class