Hi Chris
Just tried this quickly - seems to work great!
I will make it my default and see how it goes in my next debugging frenzy - was
there many changes from the original perl5db.pl?
One comment: just like with normal perl5db.pl the 'l' commands shows the code
AFTER source filtering. But now we have Niceslice working it would be nice to
have this PRE source filtering. Are there any hooks in the debugger for that?
Very happy to have this! 'pdl -d' would be a nice touch.
KArl
On 21/10/2011, at 6:10 AM, Chris Marshall wrote:
> [ Resending announcement since I missed a cc to the list ]
>
> Karl et. al.,
>
> I just implemented a PDLdb.pl debugger with support
> for PDL::NiceSlice syntax. You can get it from the PDL
> git repo and use it by placing it in your @INC path
> somewhere and by setting the PERL5DB environment
> variable to 'BEGIN { require "PDLdb.pl" }'
>
> Let me know how it works and if it seems stable enough
> we could consider adding it to the distribution. Maybe
> even with something clever like 'pdl -d' calling it under
> the hood...
>
> Cheers,
> Chris
>
> On Sat, Oct 15, 2011 at 6:55 PM, chm <[email protected]> wrote:
>> On 10/15/2011 5:58 PM, Karl Glazebrook wrote:
>>>
>>> On 15/10/2011, at 12:47 AM, Chris Marshall wrote:
>>>
>>>> Not yet. There are only two options that I know of:
>>>>
>>>> (1) use the original throw-away tmp syntax for slice
>>>> assignments: E.g., ( my $tmp = $a(:) ) .= $b
>>>>
>>>> (2) use perl-5.15 which appears to have replaced the
>>>> lvalue failure by a warning. I don't have that perl
>>>> available to test so I cannot verify.
>>>
>>> Hi Chris
>>>
>>> I am not sure I understand your ref to lvalues?
>>
>> Sorry, I crossed wires with the lvalue subs problem
>> with the debugger. It would be nice to use niceslice
>> constructs from the perl debugger command line.
>>
>> Taking a look at the DB module, it seems that
>> it might be possible to add niceslice processing
>> to the evalcode feature (once it is working cleanly
>> for our own evals).
>>
>> --Chris
>>
>>> For me it does not work even for rvalues
>>>
>>> e.g.
>>>
>>> DB<4> $r = random(10,10)
>>>
>>> DB<5> p $r(0:3,0:3)
>>> syntax error at (eval 52)[/System/Library/Perl/5.10/perl5db.pl:638] line
>>> 2, near "$r("
>>>
>>> DB<6> p $r->slice('0:3,0:3')
>>>
>>> [
>>> [ 0.43491887 0.9474565 0.41647159 0.79907819]
>>> [0.0043885932 0.043438065 0.86013387 0.21898749]
>>> [ 0.13279017 0.44450159 0.77473655 0.10607898]
>>> [ 0.26784251 0.77686852 0.58402126 0.45321226]
>>> ]
>>>
>>>
>>> BTW how come you have no profile on
>>>
>>> http://sourceforge.net/apps/mediawiki/pdl/index.php?title=Team
>>> ?
>>>
>>> You are the main contribution!
>>>
>>> Karl
>
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