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xText Standalone maven dependencies [message #1779756]

Fri, 12 January 2018 04:44

Eclipse User

Hello,

Currently I have an xtext maven project without plugin support, which I use standalone. I wonder about the many dependencies at runtime. Is it possible to reduce the dependencies? Need the project really guice, guava and xtend at runtime?

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Re: xText Standalone maven dependencies [message #1779757 is a reply to message #1779756]

Fri, 12 January 2018 04:46

Eclipse User

no you dont need xtend. but you dont use it. its just xtend lib.
and yes guice, guava and emf are needed

Re: xText Standalone maven dependencies [message #1779760 is a reply to message #1779757]

Fri, 12 January 2018 04:57

Eclipse User

Do you know why guice is mandatory?

Re: xText Standalone maven dependencies [message #1779764 is a reply to message #1779760]

Fri, 12 January 2018 05:24

Eclipse User

cause xtext relys on guice to do dependency injection.

Re: xText Standalone maven dependencies [message #1779772 is a reply to message #1779764]

Fri, 12 January 2018 06:42

Eclipse User

Okay thanks.
I thought it's just for the injection during the code generation. And during the runtime xtext don't need it.

Re: xText Standalone maven dependencies [message #1779783 is a reply to message #1779772]

Fri, 12 January 2018 09:10

Eclipse User

Dear all.

My mave dependencies for standalone application (run-time, not DSL compiler) are:

		<dependency>
			<groupId>org.eclipse.xtext</groupId>
			<artifactId>org.eclipse.xtext.xbase.lib</artifactId>
		</dependency>
		<dependency>
			<groupId>org.eclipse.xtend</groupId>
			<artifactId>org.eclipse.xtend.core</artifactId>
		</dependency>
		<dependency>
			<groupId>com.google.guava</groupId>
			<artifactId>guava</artifactId>
		</dependency>
		<dependency>
			<groupId>javax.inject</groupId>
			<artifactId>javax.inject</artifactId>
		</dependency>

You could remove Xtend if you are not using it.

All the best.
Stéphane.

Re: xText Standalone maven dependencies [message #1780078 is a reply to message #1779783]

Wed, 17 January 2018 03:25

Eclipse User

Cool i will try that :)

Re: xText Standalone maven dependencies [message #1780084 is a reply to message #1780078]

Wed, 17 January 2018 04:21

Eclipse User

well xtend.core will use more than if you just youse xtext and its deps

Re: xText Standalone maven dependencies [message #1780095 is a reply to message #1780084]

Wed, 17 January 2018 05:50

Eclipse User

Christian Dietrich wrote on Wed, 17 January 2018 09:21

well xtend.core will use more than if you just youse xtext and its deps

And how you said xtext use DI itself, so i think you cannot get rid of the guice dependency.

e.g. i use the IResourceValidator to validate the resource and get the erros.
The ResourceValidateImpl use injection

Re: xText Standalone maven dependencies [message #1780097 is a reply to message #1780095]

Wed, 17 January 2018 06:09

Eclipse User

yes

xtend > xtext > xbase/xtend.lib so if you use xtend.core you get more deps than you currently have

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