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NSKVOSupport: Prevent invoking any forwarding mechanisms when looking for keypaths

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This commit is contained in:
Hugo Melder 2024-12-13 23:48:04 +01:00
parent 35c7188b7a
commit a13f584c94
1 changed files with 8 additions and 4 deletions
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12
Source/NSKVOSupport.m
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@ -720,10 +720,14 @@ static void *s_kvoObservationInfoAssociationKey; // has no value; pointer used
free(selectorName);
}
if ([self respondsToSelector:sel])
{
return ((NSSet *(*)(id, SEL))objc_msgSend)(self, sel);
}
if (class_respondsToSelector(self, sel))
{
// Look up slot without invoking any forwarding mechanisms
// as 'self' is a metaclass
struct objc_slot2 *slot = objc_get_slot2(self, sel, NULL);
return ((NSSet *(*)(id, SEL))slot->method)(self, sel);
}
}
return emptySet;
}