Countdown@PDC: Day 2 Recap
Play Don Box, Paul Vick and Chris Anderson: Introducing M
Description
Don Box, Chris Anderson and Paul Vick dig into their new programming language (well, it's a data modeling language that you use to create DSLs to express your data as opposed to a general purpose language...). What is M, exactly? What does it do? What
can it do? To answer these questions, Don, Chris and Paul create a Channel 9 language to express Channel 9 video data. Now that's a great idea! 
Tune in, learn the thinking behind M and how to build data grammars with it. It's a very interesting way to program
data.
See Don's PDC 2008 session here:
https://channel9.msdn.com/pdc2008/TL27/
Tune in, learn the thinking behind M and how to build data grammars with it. It's a very interesting way to program
data. See Don's PDC 2008 session here:
https://channel9.msdn.com/pdc2008/TL27/
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The Discussion
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staceyw Sounds interesting. Is there a link yet to the ctp bits of M?
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Charles -
Spongman oh dear, yet another yacc...
what kind of grammars does it support. what kind of parsers does it generate?
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Don Box The underlying parsing runtime uses GLR (Generalized LR).
The M grammar compiler produces structured data that drive that runtime. -
Minh Two questions:
1) How long before M can crank out something that's a first-class citizen in Visual Studio? You know, w/ debugging, design-time stuff...
2) I think a perfect DSL is a scripting language, say... for a game. "Mario follows bad guy # 3" kinda thing.... Do I get M as a free product if I buy Oslo?
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elmer I always screw-up that reply thing... Should be: @Don Box:
Might have a problem with the name.
Although in lesser use now, 'M' is still an ISO-Standard language: ANSI X11.1-1995 and ISO/IEC 11756:1999
http://en.wikipedia.org/wiki/MUMPS
It is still sold & supported (under various disguises) by Intersystems: http://www.intersystems.com/cache/index.html
It's one of the earliest dynamic type languages, and although a bit clunky by today's standards, still has some features that modern languages struggle to match.
I recall doing a bunch of work in this (and the earlier MUMPS variants) way back when. -
Don Box Minh,
On the first point, we plan to fully integrate M into VS before we ship.
On the second point, the Oslo SDK (which is how you get M) is a free download.
DB