Perl 6 - the future is here, just unevenly distributed

IRC log for #marpa, 2014-12-14

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All times shown according to UTC.

Time Nick Message
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02:15 jeffreykegler joined #marpa
02:16 jeffreykegler I emailed my "open letter" to Loup Vaillant, and have heard back from him privately.
02:17 jeffreykegler He pointed out to me that one of my concerns was based on a misreading of his tutorial, and I've changed the letter to remove it: https://github.com/jeffreykegler/ko​llos/blob/master/notes/misc/leo2.md
02:18 jeffreykegler Loup is making IMHO an interesting contribution --
02:19 jeffreykegler Most Marpa-skeptics are such based on inertia -- they really haven't looked at or tried to use Marpa.
02:20 jeffreykegler I don't know if Loup has actually tried to use Marpa, but he has delved into it, and so his concerns are more useful to address than those of most others.
02:22 jeffreykegler And Loup's method of teaching himself how to use Earley's algorithm starting from scratch, and recording the process in carefullly written tutorials, could in fact be very helpful to those trying to get into Earley/Marpa parsing.
02:26 Aria Yes, quite!
02:28 jeffreykegler You could say that Loup is writing the textbooks, with exercises, and I'm providing the answers at the back of the book. :-)
02:28 jeffreykegler It perhaps not very modest to put it that way ...
02:29 jeffreykegler but I am 7 years of study ahead of the game, so I need not be a terribly fast student to have a lead at this point.
02:50 Aria Hehe.
02:50 Aria You have no reason for modesty, I think.
03:21 flaviu jeffreykegler: I've noticed you've uploaded an updated version of the one-page docs. I'll delete mine so that google doesn't get confused.
03:51 jeffreykegler flaviu: thanks for doing this
03:51 jeffreykegler You helped me realize the need, and filled in until I did.
03:51 jeffreykegler Perhaps if you could replace your version with a link to mine?
03:52 flaviu I'd be happy to, just a few moments
04:54 Aria Okay, Stockholm Syndrome has finally set in. I'm starting to like reading C as output by cweave.
04:55 jeffreykegler Face it, all those comments are clutter
04:55 jeffreykegler and whitespace for formatting?  Really.  who needs it.
04:55 jeffreykegler Btw, it isn't Marpa'
04:56 jeffreykegler s output that has taken you hostage, is it?
04:56 jeffreykegler Oh wait, cweave, not ctangle.
04:56 jeffreykegler :-)
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16:59 jdurand For those not reading the marpa-parser google group: http://blogs.perl.org/users/jean-damien_durand​/2014/12/a-marpa-powered-sql-2003-parser.html
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17:12 jeffreykegler Another impressive effort from Jean-Damien
17:13 jeffreykegler For those who wonder if Marpa::R2 can handle a serious, real-life grammar, large and with no a few quirks, ...
17:13 jeffreykegler this should answer their question.
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21:50 Aria Heck yes. As if HTML wasn't enough.
21:50 Aria Someone should port Modyllic to perl using that parser.
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22:27 ronsavage Aria: Have you heard about http://sqitch.org/
22:29 Aria I've not!
22:29 Aria Clever. Looks a bit less magical than Modyllic but still better than the norm.
22:30 Aria (Which isn't hard)
22:30 Aria (database up and down scripts are terrible)
22:33 Aria Major difference is that sqitch is still managing changesets, not states.
22:33 ronsavage The author wrote a series of articles on it: http://justatheory.com/
23:06 Aria Hm. Jeffrey describes separating scans, completions and predictions in https://github.com/jeffreykegler/ko​llos/blob/master/notes/misc/leo2.md but I'm trying to map that to libmarpa's source, and not finding those three concepts as discrete pieces -- just scans and completions.

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