[swift-evolution] Proposal: Allow @objc(name) on enum declarations

[Kevin Ballard]

On Fri, Dec 11, 2015, at 10:05 PM, Douglas Gregor wrote:
>
>> On Dec 11, 2015, at 9:40 PM, Kevin Ballard <kevin at sb.org> wrote:
>>
>> Will do. My worry with using swift_name is that, at least in the
>> clang that ships with Xcode 7.2, you can't actually put the
>> swift_name attribute on an enum. I assume that will change with SE-
>> 0005, but I also assume this hasn't been implemented yet. And even
>> when it is implemented, emitting it will be a backwards-compatibility
>> hazard if the generated header needs to work with older clangs. Is
>> there any way to suppress the error?
>
> Hrm, that’s a good point. The generalized swift_name support is
> implemented in upstream Clang, but you’re right that Xcode 7.2 won’t
> be able to parse it. We can add a “__has_feature” entry for
> generalized swift_name in Clang and wrap this particular use of
> swift_name in
>
> #if __has_feature(generalized_swift_name) // ... #endif

That works for me. Can I assume this will get added by someone who's
familiar with clang, or should I try and figure out how to do this
myself and submit a patch?

-Kevin Ballard
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