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In case you were searching for it too - here's a tutorial that demonstrates practical usage: http://webdsl.org/tutorial-event-planner-files/webdsl-tutori...

This looks like a lot of complexity squeezed into something that is quickly becoming much more than a DSL.

This seems such a Java thing to do. Everything about it makes my skin crawl.

I'd love to hear some real-world experience.

Why is this a Java thing to do? Seems like the linguistic's way of solving complexity. (in fact this is a product originating from the linguistic department of the Techn. University of Delft)

I think the Java thing about it is to create an external language to compensate for the deficiencies of the actual language in writing declarative code.

For most of the examples, you could probably easily write type-safe Scala code that does exactly the same, while still being flexible enough to handle the cases that the DSL doesn't currently handle.

Does not look like my cup of tea, but I'm trying to reserve judgement. Anyone have any experience with this?

WebDSL – Domain-Specific Language for Web Applications