[cfe-dev] @interface and attributes

John McCall rjmccall at apple.com
Wed Apr 3 01:00:02 PDT 2013


On Apr 2, 2013, at 7:51 PM, Nico Weber <thakis at chromium.org> wrote:
> it's
> 
>     class __attribute__((visibility("hidden"))) A {};
> 
> but
> 
>     __attribute__((visibility("hidden"))) @interface I @end
> 
> In the first case, clang emits a nice fixit if the attribute is written before the class keyword, while putting the attribute after @interface makes clang print an ugly diagnostic.
> 
> Instead of just making that print a nice fixit too, what do you think about allowing attributes for @interfaces after the @interface keyword too?

I see no reason to introduce confusion about where to put attributes in an @interface.  It's not like after the @interface is actually a good place to put attributes.

John.



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