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Moin,
On Monday 07 March 2005 05:15, Jim Cromie wrote:
> folks,
>
> Ive worked up this patch, and would like to get feedback.
I second it :)
> 1. is it useful ?
Yes, very, Devel::Size::Report will use that handy feature :)
> 2. are there any glaring or subtle problems ?
Not for me.
> 3. do you like/dislike the XS to perl callback ?
I think a pure XS solution would mabye a bit faster, and maybe work on
more Perl versiosn. But then, it would also replicate a lot of work, so
not reinventing the wheel is probably best here.
> 1. do the sizes look sensible
> I think so, but I hav *no* experience with these things.
Neither me. Maybe perl5porters can say something about that?
> 2. why do both {CODE} and {GLOB} thingies in the stash-val
> result in calls to Devel::Size::_sizeCV (my new func)
> I would expect former, but not latter.
Maybe because a glob also contains code/hash/array/etc at the same time?
> 3. It appears that the 'err: coderef $foo has no START'
> is result of calling _sizeCV on an XS function.
> Does that sound right ? Are there any other causes ?
> if Yes, no, then Ill send a patch to blead.
>
> 4. any point in computing size of binary functions ?
> I could imagine doing it with `nm -S` but this is horribly unportable.
> It also opens a whole nuther can of worms, since each function
> is likely to call lots of others.
Just an idea: Are there any markers around the binary functions you could
use? Or the cheap "ptr math" trick I mention before?
Best wishes and thanx for the hard work,
Tels
- --
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