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Access location of non-dsl files in workspace [message #1796523]

Mon, 15 October 2018 16:49

Alfonso de la Vega

Messages: 18
Registered: January 2016

Junior Member

Hello,

I am working on a DSL that queries EMF model contents.

As part of the DSL grammar, a user indicates the paths of the metamodel and model files that will be employed in the queries, such as:

    domainModel "models/dummy.ecore"
    domainModelInstance "models/dummy.model"

    <queries over the model here>

Being "models" a folder in the current project where the dsl files are defined.

I am having problems finding the absolute path or platform URI to load these resources to make them available for the dsl components (e.g. the validator would need the "dummy.ecore" metamodel to check the correctness of the query).

I do not know what is the preferred way to access these files, or if the usage of external files inside the functionality of dsl components is a supported or common feature in Xtext (or even desirable).

Thank you very much,
Alfonso

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Re: Access location of non-dsl files in workspace [message #1796524 is a reply to message #1796523]

Mon, 15 October 2018 16:54

Christian Dietrich

Messages: 14665
Registered: July 2009

Senior Member

i am not sure what you are exactly doing. but shouldn't you have actualy references to EClasses and EAttributes instead of some manual validation.
you may have a look what xtext itself does if you import a metamodel into grammar files

Twitter : @chrdietrich
Blog : https://www.dietrich-it.de

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