befunge on parrot now working (again)

Reini Urban rurban at x-ray.at
Sat Jan 10 13:07:06 UTC 2009


2009/1/9 Jerome Quelin <jquelin at gmail.com>:
> it all started with a discussion on #parrot:
>
>    Dec 28 19:17:27 don't think zcode is still being maintained
>    Dec 28 19:19:16 Looks like so, yes.
>    Dec 28 19:19:27 befunge being the worst.

That was me :)

> (funny thing is that i wasn't even here at that time, cognominal
> reported it to me later on)
>
> as befunge on parrot author, it hurted my pride. i could stand that
> befunge wasn't the best parrot language implemented, but being the
> worst... i had to do something!
>
> so, after some time to compile parrot (didn't did that for 3 years, it's
> now way easier!), getting up to speed to groak parrot error messages, i
> started porting befunge on recent parrot.
>
> i took the opportunity to move from pasm to pir, using neat addons such
> as subs (even with parameters and return values!), named vars, random
> pmc (instead of pseudo random stuff using mod and chicken sacrifying)
> and other welcome stuff that were not available in 2002 when i first
> implemented befunge on parrot.
>
> the result is a working befunge-93 implementation on top of parrot, and
> befunge now passes its tests:
>
>    $ make test
>    ../../parrot -o befunge.pbc befunge.pir
>    cd .. && /usr/bin/perl5.10.0 t/harness --languages=befunge
>    befunge/t/basic....ok
>    All tests successful.
>    Files=1, Tests=1, 1 wallclock secs ( 0.06 cusr + 0.01 csys = 0.07 CPU)
>
>
> i also checked this implementation with mycology, and it seems to work:
>    * plain mycology: reports a failure on sgml-mode, but that's a bug
>      in mycology
>    * mycouser: success, before jumping to befunge-98 library semantics,
>      where it fails (of course)
>    * mycorand: success
>
> so, all in all, befunge on parrot is once again alive and kicking!

Thanks a lot!

-- 
Reini Urban
http://phpwiki.org/              http://murbreak.at/


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