Re: Some files that CEDET cannot parse and produce errors

Eric M. Ludlam writes:
> On 06/03/2014 03:18 PM, David Engster wrote:
>> Tu Do writes:
>>> hif-shiftleft: Arithmetic error
>>> Parsing jiffies.h (LL)...
>
>>> Idle Parse Error: "#<buffer jiffies.h>  - Arithmetic error"
>>
>> This is a bug in hide-ifdef-mode, which is used by Semantic to see if it
>> should skip #if/#ifdef blocks during parsing. This mode was partly
>> rewritten lately, and older versions do not throw this error, which is
>> why Eric could not reproduce it.
>>
>> I filed an Emacs bug:
>>
>> http://debbugs.gnu.org/cgi/bugreport.cgi?bug=17681
>
> Thanks David.  I was coming to that same conclusion, which is what my 
> patch was related to.
>
> So the question is; should the C parser defend against bad hideif code, 
> or let hideif continue to have it's errors exposed via the C preprocessor?

Wrapping the calls to hideif in a condition-case definitely makes sense,
since otherwise you're constantly seeing this error popping up. However,
instead of completely ignoring the error, it'd be nicer to push a parser
warning which can be dumped later.

-David

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