Michael Neale wrote: 
I think it would be mvel - kind of an external dsl, but mvel is a  
languge as well, so not sure how you would classify it.
No it's a simple java line parser. I just chunk based on indendation. I do evaluate parts of those chunks with MVEL, for things like array building. I did it like this as I found any other DSL language just had too much extra verbage, like more brackets or symbols, because it's restricted to the way it's parser works.
trunk/drools-core/src/test/java/org/drools/reteoo/test/ReteDslTestEngine.java

So first I put it through chunkReader(). This turns it into a list of strings, it removes any comments but keeps spacing

The chunkReader is used by buildDslCommands(). This iterates each String in the list and uses indentation position to know which commands execute against which steps. I chose indentation rather than { ... } brackets as I wanted something that was more easily readable. It does make the authoring slightly more fragile, but readability was important here.

Once we have the list of steps we can evaluate them with run().

Mark
 
Sent from my phone.

On 02/12/2009, at 8:53 PM, leo_gomes <leonardo.f.gomes@gmail.com> wrote:

  
Is it an internal dsl written in jython or something like that, or an
external one that you crafted with antlr?

Is it on trunk?

Leo.


Mark Proctor wrote:
    
Thought i'd flash this up on dev mailing list, incase anyone wanted  
to
discuss it - or help :)
http://blog.athico.com/2009/11/rete-dsl-testing-harness.html

Mark

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