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Finding all uses of fields/methods/variables in a xbase model [message #1455009]

Wed, 29 October 2014 00:57

Steven Derrien

Messages: 50
Registered: July 2009

Member

Dear Xtext/Xbase users,

I am currently trying to build an extension of xbase named xtom and supporting pattern matching constructs similar to
those of Scala. To do so, I plan to use the existing Tom/Gom pattern matching framework by INRIA (http://tom.loria.fr/).

It turns out that generating consistent Tom+Java code requires that the code generation knows the list of all
cross-referenced JvmIdentifiable objects. More precisely, I would need to find all the variables/fields/functions
actually used in my Xbase DSL, and this regardless of where they are defined.

I had hope to find the information by inspecting the feature field of all XFeatureCall instances of a model during the
Jvm model inference stage, but the field always contain a JvmVoid object instance.

Could someone hint me on this ?

Thanks in advance,

Steven

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Re: Finding all uses of fields/methods/variables in a xbase model [message #1457397 is a reply to message #1455009]

Fri, 31 October 2014 09:27

Sebastian Zarnekow

Messages: 3118
Registered: July 2009

Senior Member

Hi Steven,

you may not resolve feature calls in the model inferrer. Their
resolution is based on a proper JVM model that is already available. If
you need to resolve them to change the JVM model, you end up with a
chicken'n egg problem.
I'm not familiar with the INRIA tool, but I can imagine that the fields
/ references are only used as an implementation detail thus you could do
that in the code generation phase?

Best,
Sebastian
--
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