Method_t search_for_method_in_list(MethodList_t list, SEL op);
id nil_method(id, SEL, ...);
-/* Given a selector, return the proper forwarding implementation. */
-__inline__
-IMP
-__objc_get_forward_imp (SEL sel)
-{
- if (__objc_msg_forward)
- {
- IMP result;
- if ((result = __objc_msg_forward (sel)))
- return result;
- }
- else
- {
- const char *t = sel->sel_types;
-
- if (t && (*t == '[' || *t == '(' || *t == '{')
-#ifdef OBJC_MAX_STRUCT_BY_VALUE
- && objc_sizeof_type(t) > OBJC_MAX_STRUCT_BY_VALUE
-#endif
- )
- return (IMP)__objc_block_forward;
- else if (t && (*t == 'f' || *t == 'd'))
- return (IMP)__objc_double_forward;
- else
- return (IMP)__objc_word_forward;
- }
-}
+/* Given a selector, return the proper forwarding implementation. */
+__inline__
+IMP
+__objc_get_forward_imp (SEL sel)
+{
+ /* If a custom forwarding hook was registered, try getting a forwarding
+ * function from it. */
+ if (__objc_msg_forward)
+ {
+ IMP result;
+ if ((result = __objc_msg_forward (sel)) != NULL)
+ return result;
+ }
+
+ /* In all other cases, use the default forwarding functions built using
+ * __builtin_apply and friends. */
+ {
+ const char *t = sel->sel_types;
+
+ if (t && (*t == '[' || *t == '(' || *t == '{')
+#ifdef OBJC_MAX_STRUCT_BY_VALUE
+ && objc_sizeof_type(t) > OBJC_MAX_STRUCT_BY_VALUE
+#endif
+ )
+ return (IMP)__objc_block_forward;
+ else if (t && (*t == 'f' || *t == 'd'))
+ return (IMP)__objc_double_forward;
+ else
+ return (IMP)__objc_word_forward;
+ }
+}
/* Given a class and selector, return the selector's implementation. */
__inline__