erik.pilkington accepted this revision.
erik.pilkington added a comment.
This revision is now accepted and ready to land.
LGTM, thanks.
================
Comment at: clang/lib/Sema/SemaObjCProperty.cpp:2436
+ if (!GetterMethod) {
+ if (const ObjCCategoryDecl *CatDecl = dyn_cast<ObjCCategoryDecl>(CD)) {
+ auto *ExistingGetter = CatDecl->getClassInterface()->lookupMethod(
----------------
MadCoder wrote:
> erik.pilkington wrote:
> > Just to be clear: so we need this check because the getter/setters of a
> > property declared in a category aren't considered to override any
> > getters/setters of the extended class, so the existing
> > CheckObjCMethodOverrides checks below don't work?
> not quite, it's because people do things like this:
>
> ```
> @interface Foo (Cat)
> @property int bar;
> @end
> ```
>
> But implement the property in the main `@implementation` (or the other way
> around) and this is not considered as overrides today, or even worse, many
> many times the Category doesn't even have a corresponding `@implementation`
> anywhere. Tthere's one direction of this that has a possible optional warning
> though today in the compiler.
>
> But direct method resolution requires to not cross streams else the incorrect
> symbol is formed (because the category is an actual different namespace).
> With dynamism it actually doesn't matter which is why the compiler doesn't
> care today.
Okay, thanks for clarifying.
CHANGES SINCE LAST ACTION
https://reviews.llvm.org/D73755/new/
https://reviews.llvm.org/D73755
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