[cfe-commits] r126134 - in /cfe/trunk: lib/Parse/ParseDecl.cpp test/SemaObjC/auto-objective-c.m

[Douglas Gregor]

On Feb 21, 2011, at 4:44 PM, Richard Smith wrote:

> On Mon, February 21, 2011 18:37, Fariborz Jahanian wrote:
>> Author: fjahanian
>> Date: Mon Feb 21 12:37:13 2011
>> New Revision: 126134
>> 
>> 
>> URL: http://llvm.org/viewvc/llvm-project?rev=126134&view=rev
>> Log:
>> Turn on 'auto' in plain  objc mode.
> 
> Without trailing return type support, this produces unhelpful diagnostics:
> 
> $ echo -e 'auto a();' | clang++ -xobjective-c -
> <stdin>:1:1: error: 'auto' return without trailing return type
> auto a();
> ^
> 1 error generated.
> $ echo -e 'auto a() -> void;' | clang++ -xobjective-c -
> <stdin>:1:10: error: expected function body after function declarator
> auto a() -> void;
>         ^
> 1 error generated.
> 
> It should be straightforward to teach GetTypeForDeclarator that
> objective-c (or perhaps anything that's not C++) is a special case, if you
> don't want trailing return types there too.

Good point! We don't want trailing return types in Objective-C.

	- Doug