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[qvtd-dev] OCL 6.2 and Xtext 2.10
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Hi
Currently (QVTd 0.13.0) the Xtext grammars must be built with Xtext
2.8.4 because of breaking generator API changes and breaking semantic
API changes introduced by Xtext 2.9.
This is a pain, and so partly to ease introduction of Contextual
operations and partly triggered by an Xtext newsgroup user having
trouble extending EssentialOCL, I had another look and worked around the
generator API changes. The semantic API chnages seem insoluble. Only
multiple OCL builds work, so OCL is doing a no-change 6.2 very soon
(I-build already available) that just re-generates with Xtext 2.10,
eliminating all backward installability.
QVTd must track OCL's incompatible pre-requisite Xtext change so 0.14.0
migrates to Xtext 2.10 and cannot be installed earlier (without also
installing Xtext 2.10 earlier).
Since the QVTd grammars have no consumers yet, I don't think we need to
immediately move on to 0.15.0 leaving 0.13.0+0.14.0 as a double release
with double ongoing maintenance streams as will be the case for OCL
6.1+6.2 which moves to 6.3 for ongoing development. I don't really
expect a 0.13.1 maintenance release since I hope that 1.0.0 will appear
well before Oxygen.
Sorry for the version churn but I see no alternative.
Regards
Ed
