"Oslo": Building Textual DSLs (Channel 9)

"Oslo": Building Textual DSLs

Posted: Oct 29, 2008 at 9:38 AM

By: System

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6 Comments

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The "Oslo" modeling language can define schemas and transformations over arbitrary text formats. This session shows you how to build your own Domain Specific Language using the "Oslo" SDK and how to apply your DSL to create an interactive text editing experience.

Chris Anderson
Giovanni Della-Libera

Giovanni has been a developer at Microsoft for 12 years. In that time, he's worked on VB5, VJ6, WinForms, ADO.Net, WCF and WS-Security* specifications. He's currently working on Oslo's "M" language.

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lcorneliussen Lars Corneliussen

Oct 28, 2008 at 3:21 PM

If someone finds a blog entry or any resource on this: Please Post!
larsw

Oct 30, 2008 at 10:20 AM

I will probably attend the session later today. I'll try to put up a summary on www.larswilhelmsen.com - The webcast & PPTX will also be available tomorrow or something.

--larsw
rodrigobamboo Rodrigo B. de Oliveira

Nov 03, 2008 at 8:15 AM

Any comments about the relationship between MGrammar and OMeta?
RobJellinghaus

Nov 04, 2008 at 3:00 PM

Technically, OMeta is a PEG parser, which implies a top-down parsing strategy and a "scannerless" parser (no separation between tokenizing and parsing). MGrammar is an LALR(1) bottom-up parser with a conventional DFA-based tokenizer; the MGrammar language has separate constructs for defining tokens and for defining parse productions.

I'm not sure that was the level of detail you were asking for, but that's the situation as I understand it The MGrammar folks intend to produce a white paper on this at some point, but haven't yet.
leblanc.meneses

Nov 10, 2008 at 9:40 AM

I'll put a plug for my codeplex project:
NPEG is a c# peg parser.

http://www.codeplex.com/NPEG
dumky

Feb 14, 2009 at 1:45 AM

Good technical presentation. It would be good to explain how this solution makes developers more productive than other parser generators however. Also, how are MGrammar and MSchema better together?

Also, I was incidentally looking at a cool web tool which uses a DSL to generate UML diagrams (http://www.websequencediagrams.com/). Digging some more into it, I found out language specs for UML (such as http://www.itu.int/ITU-T/studygroups/com10/languages/Z.120_1199.pdf) and that made it clear that any DSL language needs to be very well speced and documented. The presentation didn't demonstrate those aspects.