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Loading XtextResources correctly [message #1151224]

Wed, 23 October 2013 07:49

Alexander Fichtinger

Messages: 66
Registered: January 2013

Member

Hi,

we are building our own language with Xtext.

===============================================
EXPLANATION OF OUR SCENARIO
===============================================

A typical file with our language looks like this:

PROGRAM prog1
fb1();
END_PROGRAM

FUNCTION_BLOCK fb1
fun1();
END_FUNCTION_BLOCK

FUNCTION fun1
END_FUNCTION

In a normal project, we have some of such files, with various PROGRAMs, FUNCTION_BLOCKs and FUNCTIONs and these objects can be referenced across the files.

Now we use EMFIncQuery to implement queries for getting information from our data model (e.g. all FUNCTION_BLOCKs and FUNCTIONs which are referenced from a program).

EMFIncQuery takes a ResourceSet to process such a query.

===============================================
QUESTION
===============================================

Now here is my question:
Is there something like a global ResourceSet in Xtext which contains all resources which are in the workspace (or better in one project)
or do we have to load all the required Resources manually and add it to a ResourceSet.

We already tried to implement the resource loading manually, but it does not seem that this is the correct approach and we think that maybe there is a better way to do this.

Thanks for any help!

Kind regards,
Alexander

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Re: Loading XtextResources correctly [message #1151680 is a reply to message #1151224]

Wed, 23 October 2013 14:22

Sven Efftinge

Messages: 1823
Registered: July 2009

Senior Member

Am 10/23/13 9:49 AM, schrieb Alexander Fichtinger:
> Now here is my question:
> Is there something like a global ResourceSet in Xtext which contains all
> resources which are in the workspace (or better in one project) or do we
> have to load all the required Resources manually and add it to a
> ResourceSet.

No, there is a ResourceSet per editor and per project build.
The index (IResourceDescriptions) contains information about all
resources in the workspace (via IResourceDecription)

Sven

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