[cfe-dev] override support for Objective-C

[Chris Lattner]

On Nov 29, 2010, at 4:09 PM, Stuart Carnie wrote:

> Hi all,
> 
> I would like to have a go at hacking a little on Clang when a get a bit of spare time, and have found that adding support for override would be useful little exercise.  I've seen another post referring to Clang's support for __attribute__((override)), and seems like I could use this as a starting point.
> 
> Big Nerd Ranch would like to see an @override keyword, as follows:
> 
> @override
> - (NSInteger)numberOfSectionsInTableview:(UITableView *)tv
> { ... }

Hi Stuart,

Is your  goal here to allow overloading of ObjC methods?  If so, the parsing isn't the hard part, you'd need to mangle selectors somehow, and enhance the runtime to support this.  This isn't something we want in ObjC, because want to keep it simple.

-Chris

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