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Re: Re: Re: Re: How to Sell Perl 6

by tilly (Archbishop)
on May 04, 2004 at 18:03 UTC ( #350462=note: print w/replies, xml ) Need Help??

in reply to Re: Re: Re: How to Sell Perl 6
in thread How to Sell Perl 6

Rumor control.

The point of Ponie is to provide an implementation of Perl on Parrot. Large documented pieces, like symbolic references, symbol table objects and so on are all going to be supported and will migrate just fine. If you're worried about that breaking, don't. And when you have Ponie, the Perl6 -> Perl5 compatibility layer will be, "just run it in Ponie".

The problem comes with corner cases. For instance you lose timely destruction mechanics. My ReleaseAction is an extreme example of something that breaks. There will be inevitable subtle changes that break various JAPHs. What will change, where, nobody can predict. But if you're sticking to stuff (other than timely destruction mechanics) which is in Perl's test suite, then you should be fine.

About XS, there as well you may be in luck. The Ponie effort has a plan to support XS out of the box. I trust that this will work. So if you're using XS stuff that only stuck to documented interfaces, then you should be fine. If you're using XS stuff that went mucking around with Perl internals, you're probably out of luck. However any major piece of Perl software, for instance DBI, will be considered a priority to support, and inevitably you will see fixes to one or both sides to get them to run.

So you'll have problems timely destruction mechanics, some obscure and undocumented corners to the language, and smaller XS projects that didn't stick to the API they were told to. Otherwise Ponie should mostly Just Work.

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Corion idly wonders about creating a series of HTTP requests. There seems to be no framework to generate a series of HTTP requests, like "try all these requests"
[Corion]: This is vaguely inspired by that list of "nasty" strings, which I'd like to replace among HTTP parameters, just to see whether the application crashes, but also for easy downloading of a list of URLs etc
[Corion]: Maybe I'll just conoct something using Algorithm::Permute to create an (OO) generator for such requests, or a simple function.
[Corion]: For testing I imagine one would want to test a random sampling of such "bad"/"unexpected" requests, while for downloading, one would want to generate them all in order, but not necessarily as a huge list

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