[Mesa-dev] Use of nested functions in nouveau_array.c

[İsmail Dönmez]

Hi;

On Wed, Nov 9, 2011 at 8:08 PM, İsmail Dönmez <ismail at namtrac.org> wrote:

> Another thing to notice that nested functions require executable stack.
> This is also another reason to get rid of them.
>
> On Wed, Nov 9, 2011 at 3:11 PM, İsmail Dönmez <ismail at namtrac.org> wrote:
>
>> Hi;
>>
>> nouveau_array.c seems to be using nested functions which is not supported
>> by clang (or the EDG based compilers it seems), the reduced testcase looks
>> like this:
>>
>> foo()
>> {
>>     auto void f();
>>     void f() {};
>> }
>>
>> I talked to the clang developers and they don't plan to support this GNU
>> extension since (they say) it would be too hard to support it in the
>> parser. Clang website notes the following about this issue (from
>> http://clang.llvm.org/docs/UsersManual.html#c_unimpl_gcc )
>>
>> <quote>
>> clang does not support nested functions; this is a complex feature which
>> is infrequently used, so it is unlikely to be implemented anytime soon.
>> </quote>
>>
>> Is there any chance of removing such code from Mesa?
>>
>
Would be nice to get a comment on this.

Thanks,
ismail
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