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Grammar Access and TypeReference problems [message #1730662]

Wed, 27 April 2016 13:53

Julien DeAntoni

Messages: 43
Registered: July 2009

Member

Hello,

I have an Xtext project, which is actually an extension of the completeOCL xtext project.
It worked for several year and now I need to move to Xtext 2.9.2
After various adaptations, I obtain the following error when running the mwe2 workflow:

 GeneratorException: (Element: -UNKNOWN-; Reported by: Generator)
	 java.lang.IllegalArgumentException: Cannot determine the package name of 'fr.inria.aoste.timesquare.ECL.ECLPackage'. Please use the TypeReference(packageName, className) constructor

The error occurs in the serializer fragment. To call it I'm using the same code then in the previous versions, i.e.

        // the serialization component
	fragment = serializer.SerializerFragment {}

After some investigations, I'm not sure what to do. I already added this kind of code in my workflow:

        registerGeneratedEPackage = "fr.inria.aoste.timesquare.ECL.ECLPackage"
	registerGenModelFile = "platform:/resource/fr.inria.aoste.timesquare.ecl/model/ecl.genmodel"

but without success...

Any help would be very welcome Smile

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Re: Grammar Access and TypeReference problems [message #1730663 is a reply to message #1730662]

Wed, 27 April 2016 13:55

Christian Dietrich

Messages: 11206
Registered: July 2009

Senior Member

do you use old style or new style workflow

Need professional support for Xtext, Xpand, EMF?
Go to: http://xtext.itemis.com
Twitter : @chrdietrich
Blog : christiandietrich.wordpress.com

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Re: Grammar Access and TypeReference problems [message #1730665 is a reply to message #1730663]

Wed, 27 April 2016 14:08

Julien DeAntoni

Messages: 43
Registered: July 2009

Member

Hi Christian,

I'm still using an old still workflow. I tried to move to the new version but since the workflow is complex I did not succeed. At the end I more or less cloned the workflow from completeOCL, which is supposed to work correctly: https://git.eclipse.org/c/ocl/org.eclipse.ocl.git/tree/examples/org.eclipse.ocl.examples.build/src/org/eclipse/ocl/examples/build/GenerateCompleteOCLEditor.mwe2

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Re: Grammar Access and TypeReference problems [message #1730671 is a reply to message #1730665]

Wed, 27 April 2016 14:35

Christian Dietrich

Messages: 11206
Registered: July 2009

Senior Member

sry i have no idea on this. unfortunately i have no idea how to setup the stuff to get it running

=> a reproduceable example is welcome

Need professional support for Xtext, Xpand, EMF?
Go to: http://xtext.itemis.com
Twitter : @chrdietrich
Blog : christiandietrich.wordpress.com

[Updated on: Wed, 27 April 2016 14:55]

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Re: Grammar Access and TypeReference problems [message #1748494 is a reply to message #1730671]

Wed, 23 November 2016 15:29

Julien DeAntoni

Messages: 43
Registered: July 2009

Member

Hi,

the problem was the same than this one: https://www.eclipse.org/forums/index.php/t/1082021/

in a nutshell, ecore package name must start with a lowercase...
A better feedback could be welcome Smile

but problem solved !

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