[swift-evolution] #pragma

[David Owens II]

The context of comments should clearly not be ignored by IDEs. If you did that, the entire feature set of doc comments would go away. 

-David

Sent from my iPhone

> On Sep 4, 2016, at 5:15 PM, Félix Cloutier via swift-evolution <swift-evolution at swift.org> wrote:
> 
> There is a *lot* more to `#pragma` than `#pragma mark`, but it's unclear to me what other pragma anyone would bring over from C. Given that, I'm not in favor of a new language construct for just one thing that's not horribly out of place as a comment.
> 
> Félix
> 
>> Le 4 sept. 2016 à 15:53:46, isidoro carlo ghezzi via swift-evolution <swift-evolution at swift.org> a écrit :
>> 
>> Hi all,
>> 
>> I think the "old style" `#pragma` is necessary in Swift.
>> Exactly in the same way it is available in C/C++ or Objective-C/C++, or in something else portable way.
>> 
>> Because `#pragma` is not handled in Swift, in Xcode they overloaded the semantic of comments, giving to the comment `// MARK:` the semantic of `#pragma mark`
>> 
>> But my point of view is that, I would like that what it is written in a source comment (what it is written after a // or between /* */ ) should be fully ignore by compiler or IDE.
>> 
>> I understand that maybe a compiler shouldn't lose time handling `#pragma options`, but giving semantics to source comment, I think it can be dangerous and misunderstood.
>> 
>> The implementation in Swift compiler should be simple, ignoring any line beginning with `#pragma` (ok I know It is not simple)
>> The IDE will handle the `#pragma`
>> 
>> That's why they invented `#pragma`in C/C++ Objective-C/C++ right?
>> 
>> Thanks for your attention, and sorry for my bad english: I am Italian native spoke language.
>> 
>> #pragma mark - sign
>> Best Regards,
>> Isidoro Ghezzi
>> 
>> 
>> _______________________________________________
>> swift-evolution mailing list
>> swift-evolution at swift.org
>> https://lists.swift.org/mailman/listinfo/swift-evolution
> 
> _______________________________________________
> swift-evolution mailing list
> swift-evolution at swift.org
> https://lists.swift.org/mailman/listinfo/swift-evolution
-------------- next part --------------
An HTML attachment was scrubbed...
URL: <https://lists.swift.org/pipermail/swift-evolution/attachments/20160904/08167980/attachment.html>