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CustomScopingFragment in Xtext 1.0 and Maven Build [message #696593]

Thu, 14 July 2011 11:05

Christian Ammann

Messages: 21
Registered: July 2010

Junior Member

Hi,

i have a problem. I have created a xtext 1.0 project with a simple grammar. Im using a custom scope provider to get local and global scoope providers at the same time. This technique is described in:

http://dslmeinte.wordpress.com/2010/09/02/configuring-local-and-global-scope-providers-at-the-same-time/

Therefore my MWE2-Workflow looks like:

//fragment = scoping.ImportNamespacesScopingFragment {}
fragment = scoping.CustomScopingFragment {}
fragment = exporting.QualifiedNamesFragment {}
fragment = builder.BuilderIntegrationFragment {}

Furthermore, i want to build the whole project with Maven. I have found a very good tutorial for xtext projects and Maven tycho:

http://kthoms.wordpress.com/2010/08/18/building-xtext-projects-with-maven-tycho/

It works rather good when the custom scope provider is turned off in the MWE2-Workflow (removing CustomScopingFragment and using ImportNamespacesScopingFragment instead). But when the CustomScopingFragment is used, i get the following error messages:

[INFO] Fornax Model Workflow Maven2 Plugin V3.2.0-SNAPSHOT
[ERROR] java.lang.IllegalStateException: [XtextLinkingDiagnostic: null:70 Couldn't resolve reference to JvmType 'scoping.CustomScopingFragment'.]
[ERROR] at org.eclipse.emf.mwe2.launch.runtime.Mwe2Runner.run(Mwe2Runner.java:66 [org.eclipse.emf.mwe2.launch-1.0.2.v201102151014.jar:na]
[ERROR] at org.eclipse.emf.mwe2.launch.runtime.Mwe2Runner.run(Mwe2Runner.java:52) ~[org.eclipse.emf.mwe2.launch-1.0.2.v201102151014.jar:na]
...

Has anyone an idea how to solve this issue? My best guess is that the fornax maven2 plugin searches the scope provider in the package org.eclipse.xtext.generator.scoping but i dont know how to tell him to search the resource in the scoping directory of my current project. Can this be fixed by myself somehow or is this an issue with the Fornax Model Workflow Maven2 Plugin?

Best regards,

Christian

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Re: CustomScopingFragment in Xtext 1.0 and Maven Build [message #696749 is a reply to message #696593]

Thu, 14 July 2011 18:48

Christian Dietrich

Messages: 13940
Registered: July 2009

Senior Member

Hi, the easiest solution i guess is to move the CustomScopingFragment to a own project/module

~Christian

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Re: CustomScopingFragment in Xtext 1.0 and Maven Build [message #702058 is a reply to message #696749]

Mon, 25 July 2011 22:55

alex.ren2006

Messages: 46
Registered: June 2011

Member

I followed the "http://dslmeinte.wordpress.com/2010/09/02/configuring-local-and-global-scope-providers-at-the-same-time/
" on Xtext 2. It doesn't work. "import" is effective but classpath has no effect. Did you ever try Xtext 2? I just made my "AbstractStatemachineRuntimeModule.java" to look exactly like the "AbstractMyDslRuntimeModule.java" mentioned in the post. Did I miss something?

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