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Xtext -Xtend deployment [message #1760742]

Tue, 02 May 2017 09:58

Eclipse User

Hi all,
I recently wrote an Xtext Grammar and a corresponding Xtend application to generate C++.
Everything works well.

However, I wish to know if there is a way to deploy this setup and generate code directly from a terminal command. This means, without having to run the Eclipse Runtime.

Thanks Very Happy

Re: Xtext -Xtend deployment [message #1760759 is a reply to message #1760742]

Tue, 02 May 2017 12:34

Eclipse User

Best to ask on the TMF forum. You'll find a link on the Xtext home page.

Re: Xtext -Xtend deployment [message #1760856 is a reply to message #1760759]

Wed, 03 May 2017 12:23

Eclipse User

Hi

This depends on the situation of how you generate and how many model files you have

- you can use maven or gradle to call the generator
- you can create (and package) a Java main that reads the file and calls the generator (to ge at stuff add/modify in the workflow generator={generateXtendMain=true}
- then you an use maven or gradle to create a runnable appplication or you run it once from eclipse end use the Export _> Java _> runnable jar file wizard

Re: Xtext -Xtend deployment [message #1760866 is a reply to message #1760856]

Wed, 03 May 2017 15:11

Eclipse User

Hi Christian,
Thanks for your reply.

The set up of my project is as follow:

1) I have a "preprocessing" app written in C++ that generates a ".dsl" file. This is then the input file for the Xtend code generator.

2) There is only 1 model file.

3)For the generation, I simply extend the AbstractGenerator

My goal is to write a bat script that will launch the preprocessing app and pass its ouput file (.dsl) to the Xtend application.

I am investigating into the solution you mentioned earlier

Re: Xtext -Xtend deployment [message #1760867 is a reply to message #1760759]

Wed, 03 May 2017 15:16

Eclipse User

Hi Ed,
Thanks for the clarification,
I wasn't sure where to post it.

Re: Xtext -Xtend deployment [message #1760868 is a reply to message #1760867]

Wed, 03 May 2017 15:41

Eclipse User

as i said

step (1) in workflow

generator = {
				generateXtendMain = true
			}

(2) run workflow
(3) run org.xtext.example.mydsl.generator.Main
(4) export -> java -> runnable jar file
- select main in launch config
- select target
- finish
java -jar <exported-name>.jar

Re: Xtext -Xtend deployment [message #1760944 is a reply to message #1760868]

Thu, 04 May 2017 10:01

Eclipse User

Hi Christian,

many more thanks, it was quite straightforward and worked as a charm.

I will now write the bat script to automate the whole process

Cool

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