We are concerned with the production of complex DSLs and haven't made the 
production of easy DSLs -- like the one you see on Linkedin -- easy. 

The 'creating a language' is one half of the problem: make a module and a 
reader and wire it all up so you can say 

 #lang MyDSL 

somewhere else. 

The other half is implementing the parser/constraint checker/semantics, which 
happens within the language module/package. For that, you need to study things 
such as syntax-parse and the syntax system and then syntax-case and -- for easy 
style -- plain old syntax-rules. So the reverse order of what I just wrote will 
usually do you much more good than the actual order. 

Other than that, look at things such as Algol 6o (in the core and a tad old) 
and Jay's Datalog language (on Planet, and recent) to study some example.s 

-- Matthias






On Nov 10, 2010, at 3:50 PM, [email protected] wrote:

> Hi,
> 
> does anyone know of a tutorial / howto - like text regarding writing DSLs?
> I've read the "creating languages" chapter in the racket guide, but while I 
> find it "technically understandable" I'm a bit at a loss as to "what to do in 
> order to reach which goal" - the chapter explains the technical possibilities 
> I have, but I don't really know which to choose for what purpose / "use 
> case"...
> 
> Many thanks in advance,
> Sigrid
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