[cfe-dev] Macro expansion weirdness (or bug?)

Abramo Bagnara abramo.bagnara at gmail.com
Thu Mar 25 16:32:59 PDT 2010


Il 25/03/2010 20:43, Chris Lattner ha scritto:
> 
> On Mar 25, 2010, at 12:08 PM, Abramo Bagnara wrote:
> 
>> 
>> From your message it seems you're expecting *more* callback
>> invocations in the first sample, while I'd expect *less* callback
>> invocations in the second sample.
>> 
>> Could you explain better your position?
> 
> My position is basically that the preprocessor is incredibly
> scary/confusing and implementing it damaged me.  :)
> 
> I don't recall enough of the details to really say which way is right
> or wrong, but tokens coming out at -E is a good indicator that the
> right thing is happening.

Indeed it was missing further expansion disabling in a case where
isTrivialSingleTokenExpansion is true.

Please apply.

-- 
Abramo Bagnara

Opera Unica                          Phone: +39.0546.656023
Via Borghesi, 16
48014 Castel Bolognese (RA) - Italy
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