Re: -[NSCFArray initWithObjects:count:]: nil object. Why no crash?
Re: -[NSCFArray initWithObjects:count:]: nil object. Why no crash?
- Subject: Re: -[NSCFArray initWithObjects:count:]: nil object. Why no crash?
- From: Alexander Spohr <email@hidden>
- Date: Mon, 27 Sep 2010 11:54:04 +0200
init methods are instance methods.
You are trying to call a class method. there are no init methods in classes.
atze
Am 27.09.2010 um 02:51 schrieb Jerry Krinock:
> Yes, but to make a long story short, I was stymied by the rocket science of class clusters and abstract classes. The error says that +initWithObjects:count: was sent to NSCFArray. So first I reverse-engineered from savannah.gnu.org what are the argument types. They are id* (a C array of ids), and an unsigned int. Then I constructed an invocation using the NSClassFromString(), @selector(), etc. But upon invoking, the system told me that +initWithObjects:count: is not implemented the *abstract* class NSCFArray. I don't know what the concrete subclass is :(
>
> Another thing I tried was to replace the method +[NSCFArray initWithObjects:count:] using Method Replacement. But it was never invoked, probably for the same reason, although interestingly -[NSCFArray objectAtIndex:] is invoked with great frequency.
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