From maintainers-request at octave dot org Fri Dec  9 06:50:45 2005
Subject: Re: message ids for warnings and errors
From: Paul Kienzle <pkienzle at users dot sourceforge dot net>
To: Stefan van der Walt <stefan at sun dot ac dot za>
Cc: octave maintainers mailing list <maintainers at octave dot org>
Date: Fri, 9 Dec 2005 07:49:20 -0500


On Dec 9, 2005, at 4:40 AM, Stefan van der Walt wrote:

> On Thu, Dec 08, 2005 at 11:38:09PM -0500, Paul Kienzle wrote:
>> The obvious way is to maintain a list of warning
>> names and states for the current function context
>> and run through this list when the function returns.
>> This does mean the majority of functions have to
>> pay for a feature they do not use, so not an ideal
>> solution.
>
> Would it be worthwhile to implement hash-tables in liboctave?  That
> way the performance hit needs to be minimal.

That isn't the issue.  The issue is that in
ov-usr-fn.cc(do_multi_index_op) you would need
to push and pop the set of suppressed warnings
on the unwind protect stack for every function
call even though most functions don't need it.

- Paul