[cfe-commits] [patch] Copy diagnostic pragmas to the preprocessed output

[Richard Osborne]

On 21 Jun 2011, at 16:21, Douglas Gregor wrote:

> 
> On Jun 18, 2011, at 12:00 PM, Richard Osborne wrote:
> 
>> This patch adds support for printing diagnostic pragmas to the preprocessed output. Previously they would be discarded (http://llvm.org/bugs/show_bug.cgi?id=5952).
>> 
>> Please let me know if this patch looks OK.
> 
> Your patch looks very good.
> 
>> Note diagnostic pragmas in the clang and GCC pragma namespaces will both be printed as "#pragma GCC diagnostic ...". I assumed this wouldn't matter as they should have the same behaviour.
> 
> 
> I'd much prefer that we get the output perfect, by tracking which pragma namespace was specified and emitting the output the same way. Otherwise, we'll just end up getting a bug report 6 months down the line asking for more precise output :)
> 
> 	- Doug

Thanks for your comments. An updated patch is attached which keeps tracks the of pragma namespace so the same one can be used in the output.

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