336
337
338
339
340
341
342
343
344
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346
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348
349
350
351
352
353
354
355
356
357
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360
361
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363
364
365
366
367
368
369
370
|
336
337
338
339
340
341
342
343
344
345
346
347
348
349
350
351
352
353
354
355
356
357
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359
360
361
362
363
364
365
366
367
368
369
370
371
372
373
374
375
376
377
378
379
380
381
382
|
-
+
-
-
-
+
+
+
+
-
-
-
+
+
+
+
+
+
+
+
-
+
-
-
-
-
-
+
+
+
+
+
+
+
+
+
+
+
-
+
|
if (newImp == (IMP)0 || !class_respondsToSelector(self->isa, selector))
@throw [OFInvalidArgumentException newWithClass: self
selector: _cmd];
return objc_replace_class_method(self, selector, newImp);
#elif defined(OF_OLD_GNU_RUNTIME)
Method_t method;
IMP oldImp;
MethodList_t iter;
/* The class method is the instance method of the meta class */
if ((method = class_get_instance_method(self->class_pointer,
selector)) == NULL)
if ((oldImp = method_get_imp(method)) == (IMP)0 || newImp == (IMP)0)
@throw [OFInvalidArgumentException newWithClass: self
selector: _cmd];
iter = iter->method_next) {
int i;
for (i = 0; i < iter->method_count; i++)
if (sel_eq(iter->method_list[i].method_name,
selector)) {
IMP oldImp;
oldImp = iter->method_list[i].method_imp;
method->method_imp = newImp;
iter->method_list[i].method_imp = newImp;
/* Update the dtable if necessary */
if (sarray_get_safe(((Class)self->class_pointer)->dtable,
(sidx)method->method_name->sel_id))
sarray_at_put_safe(((Class)self->class_pointer)->dtable,
(sidx)method->method_name->sel_id, method->method_imp);
sarray_at_put_safe(
((Class)self->class_pointer)->dtable,
(sidx)selector->sel_id, newImp);
return oldImp;
}
}
assert([self addClassMethod: selector
withTypeEncoding: method->method_types
implementation: newImp]);
return oldImp;
return (IMP)0;
#else
Method method;
if (newImp == (IMP)0 ||
(method = class_getClassMethod(self, selector)) == NULL)
@throw [OFInvalidArgumentException newWithClass: self
selector: _cmd];
|
399
400
401
402
403
404
405
406
407
408
409
410
411
412
413
414
415
416
417
418
419
420
421
422
423
424
425
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427
428
429
430
431
432
|
411
412
413
414
415
416
417
418
419
420
421
422
423
424
425
426
427
428
429
430
431
432
433
434
435
436
437
438
439
440
441
442
443
444
445
446
447
448
449
450
451
452
453
454
455
456
457
|
+
+
+
-
+
-
-
+
+
-
-
-
+
+
+
+
+
+
+
+
-
+
-
-
-
-
-
+
+
-
+
+
+
+
+
+
+
+
+
|
#if defined(OF_OBJFW_RUNTIME)
if (newImp == (IMP)0 || !class_respondsToSelector(self, selector))
@throw [OFInvalidArgumentException newWithClass: self
selector: _cmd];
return objc_replace_instance_method(self, selector, newImp);
#elif defined(OF_OLD_GNU_RUNTIME)
Method_t method;
MethodList_t iter;
Method_t method = class_get_instance_method(self, selector);
method = class_get_instance_method(self, selector);
IMP oldImp;
if (method == NULL)
if (newImp == (IMP)0 || method == METHOD_NULL)
@throw [OFInvalidArgumentException newWithClass: self
selector: _cmd];
for (iter = ((Class)self)->methods; iter != NULL;
if ((oldImp = method_get_imp(method)) == (IMP)0 || newImp == (IMP)0)
@throw [OFInvalidArgumentException newWithClass: self
selector: _cmd];
iter = iter->method_next) {
int i;
for (i = 0; i < iter->method_count; i++)
if (sel_eq(iter->method_list[i].method_name,
selector)) {
IMP oldImp;
oldImp = iter->method_list[i].method_imp;
method->method_imp = newImp;
iter->method_list[i].method_imp = newImp;
/* Update the dtable if necessary */
if (sarray_get_safe(((Class)self)->dtable,
(sidx)method->method_name->sel_id))
sarray_at_put_safe(((Class)self)->dtable,
(sidx)method->method_name->sel_id, method->method_imp);
return oldImp;
return oldImp;
}
}
assert([self addInstanceMethod: selector
withTypeEncoding: method->method_types
implementation: newImp]);
return (IMP)0;
#else
Method method;
if (newImp == (IMP)0 ||
(method = class_getInstanceMethod(self, selector)) == NULL)
@throw [OFInvalidArgumentException newWithClass: self
selector: _cmd];
|