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Home » Modeling » TMF (Xtext) » Creating a project that supply common terminals?
Creating a project that supply common terminals? [message #894765] Tue, 10 July 2012 12:46 Go to next message
Cristiano Gavião is currently offline Cristiano GaviãoFriend
Messages: 279
Registered: July 2009
Senior Member
Hi, I would like to create a common project where I can put common terminals and maybe some data types.

I think that this kind of project should be simple and don't need any UI project.

So, what fragments could I safely remove from the generated .mwe2 file ?


*update:

I've got this error in my project that only contains terminals and one data type:
6171 [main] ERROR enerator.CompositeGeneratorFragment  - You may not generate an ANTLR parser for a grammar without production rules.
java.lang.IllegalArgumentException: You may not generate an ANTLR parser for a grammar without production rules.
	at org.eclipse.xtext.generator.parser.antlr.AbstractAntlrGeneratorFragment.generate(AbstractAntlrGeneratorFragment.java:89)
	at org.eclipse.xtext.generator.parser.antlr.XtextAntlrGeneratorFragment.generate(XtextAntlrGeneratorFragment.java:41)
	at org.eclipse.xtext.generator.CompositeGeneratorFragment.generate(CompositeGeneratorFragment.java:92)
	at org.eclipse.xtext.generator.LanguageConfig.generate(LanguageConfig.java:113)
	at org.eclipse.xtext.generator.Generator.generate(Generator.java:361)
	at org.eclipse.xtext.generator.Generator.invokeInternal(Generator.java:128)
	at org.eclipse.emf.mwe.core.lib.AbstractWorkflowComponent.invoke(AbstractWorkflowComponent.java:126)
	at org.eclipse.emf.mwe.core.lib.Mwe2Bridge.invoke(Mwe2Bridge.java:34)
	at org.eclipse.emf.mwe.core.lib.AbstractWorkflowComponent.invoke(AbstractWorkflowComponent.java:201)
	at org.eclipse.emf.mwe2.runtime.workflow.AbstractCompositeWorkflowComponent.invoke(AbstractCompositeWorkflowComponent.java:35)
	at org.eclipse.emf.mwe2.runtime.workflow.Workflow.run(Workflow.java:19)
	at org.eclipse.emf.mwe2.launch.runtime.Mwe2Runner.run(Mwe2Runner.java:102)
	at org.eclipse.emf.mwe2.launch.runtime.Mwe2Runner.run(Mwe2Runner.java:62)
	at org.eclipse.emf.mwe2.launch.runtime.Mwe2Runner.run(Mwe2Runner.java:52)
	at org.eclipse.emf.mwe2.launch.runtime.Mwe2Launcher.run(Mwe2Launcher.java:74)
	at org.eclipse.emf.mwe2.launch.runtime.Mwe2Launcher.main(Mwe2Launcher.java:35)



thanks,

Cristiano

[Updated on: Tue, 10 July 2012 13:06]

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Re: Creating a project that supply common terminals? [message #896449 is a reply to message #894765] Wed, 18 July 2012 12:17 Go to previous message
Jan Koehnlein is currently offline Jan KoehnleinFriend
Messages: 760
Registered: July 2009
Location: Hamburg
Senior Member
I'd expect you don't need to generate anything for that grammar. Maybe
the Ecore stuff, if you want common datatypes. But that can also be
maintained manually, and you might have to manually implement value
converters anyway.

For our similar grammars 'Terminals' and 'Xtype', we don't generate
anything.

Am 10.07.12 14:46, schrieb Cristiano Gaviao:
> Hi, I would like to create a common project where I can put common
> terminals and maybe some data types.
>
> I think that this kind of project should be simple and don't need any UI
> project.
>
> So, what fragments could I safely remove from the generated .mwe2 file ?
>
>
> thanks,
>
> Cristiano


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