ObjFW  Diff

#import "instance.h"
#if defined(OF_HAVE_ATOMIC_OPS)
# import "atomic.h"
#elif defined(OF_HAVE_THREADS)
# import "threading.h"
#endif

#if defined(OF_APPLE_RUNTIME) && !defined(__ppc64__)
#if defined(OF_HAVE_FORWARDING_TARGET_FOR_SELECTOR)
extern id of_forward(id, SEL, ...);
# ifdef OF_APPLE_RUNTIME
/*
 * Forwarding for methods returning structs only works with the Apple ABI, as
 * with the GNU ABI, there is no way of knowing if a struct is returned and if
 * so how.
 * As forwardingTargetForSelector: only works for architectures for which
 * assembly has been written anyway, it makes sense to switch to
 * objc_msgSend(_{st,fp}ret) for those architectures to solve this problem.
 */
extern struct stret of_forward_stret(id, SEL, ...);
# endif
#endif

struct pre_ivar {
	int32_t retainCount;
	struct pre_mem *firstMem, *lastMem;
#if !defined(OF_HAVE_ATOMIC_OPS) && defined(OF_HAVE_THREADS)
	of_spinlock_t retainCountSpinlock;

				    sel_getName(sel));
				abort();
			}

			return objc_msg_lookup(obj, sel);
		}
	}

#ifdef OF_HAVE_FORWARDING_TARGET_FOR_SELECTOR
	if (class_respondsToSelector(object_getClass(obj),
	    @selector(forwardingTargetForSelector:))) {
		id target = [obj forwardingTargetForSelector: sel];

		if (target != nil && target != obj)
			return (IMP)of_forward;
	}
#endif

	of_method_not_found(obj, sel);
	return NULL;
}
#endif

#ifndef HAVE_OBJC_ENUMERATIONMUTATION