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A short progress report... [message #498234] Mon, 16 November 2009 03:07
Henrik Lindberg is currently offline Henrik LindbergFriend
Messages: 2500
Registered: July 2009
Senior Member
Hi,
just a quick note to let you know what is going on with the B3 project.

- We have a project creation review coming up on the 18 of November.
Will be great to have the project formally created as a modeling
project. (Yes, that is where we decided the fit was best...). Actionable
items are starting to pile up - and there will be plenty of opportunity
to help out ;)

- A lot of progress have been made on the b3 language. I am almost done
with a longer descriptive document containing lots of details. I expect
to be able to post a version for review soon after November 18.

- Have also made a lot of progress on the implementation of the
language. There is now a backend for evaluation (written using EMF
naturally). The bulk of the evaluator code is written (well at least for
a first version) as well as a handful of the unit tests, but the work is
progressing really well.

The first version is an evaluator in Java. It will not be possible to do
source level debugging with the first implementation, but we think this
is not to difficult to add by using ASM byte code manipulation, and
generating JSR 45 compliant byte code for debugging. The non ASM based
evaluator will help getting everything else working, and serve as a
reference when doing the ASM based implementation (expressions are
supposed to get the same result in both versions...).

Regards
- henrik
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