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LSP Support: Multiple Languages in one Server [message #1860257]

Tue, 25 July 2023 13:13

Sebastian Waldhauser

Messages: 24
Registered: March 2022

Junior Member

Hello,

we extended the LSP Example "Greetings" with a second language "mydsl2".
The code for the second language resides in the same projects as "mydsl", which are org.xtext.example.mydsl and org.xtext.example.mydsl.ide.
After that, language support for mydsl files stops working. The service loader only finds the ISetup of mydsl2.

According to https://github.com/eclipse/xtext-core/issues/989 and https://www.eclipse.org/forums/index.php/t/1096655/ this should work.

How can we fix this problem?

Best regards,
Sebastian

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Re: LSP Support: Multiple Languages in one Server [message #1860258 is a reply to message #1860257]

Tue, 25 July 2023 13:49

Christian Dietrich

Messages: 14735
Registered: July 2009

Senior Member

how do you setup your projects.
how does the service loader file look like?

Twitter : @chrdietrich
Blog : https://www.dietrich-it.de
Day Job: https://www.everest-systems.com

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Re: LSP Support: Multiple Languages in one Server [message #1860265 is a reply to message #1860258]

Wed, 26 July 2023 08:30

Sebastian Waldhauser

Messages: 24
Registered: March 2022

Junior Member

We have a "core" project which contains all the languages (+ ide) and their genereated code.
The service loader file contains only the last generated IdeSetup.

How can we add all IdeSetups?

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Re: LSP Support: Multiple Languages in one Server [message #1860268 is a reply to message #1860265]

Wed, 26 July 2023 09:47

Christian Dietrich

Messages: 14735
Registered: July 2009

Senior Member

Please debug the workflow fragment that produces
The service loader file

Twitter : @chrdietrich
Blog : https://www.dietrich-it.de
Day Job: https://www.everest-systems.com

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Re: LSP Support: Multiple Languages in one Server [message #1860269 is a reply to message #1860268]

Wed, 26 July 2023 09:48

Christian Dietrich

Messages: 14735
Registered: July 2009

Senior Member

How does your workflow look like

Twitter : @chrdietrich
Blog : https://www.dietrich-it.de
Day Job: https://www.everest-systems.com

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Re: LSP Support: Multiple Languages in one Server [message #1860385 is a reply to message #1860269]

Wed, 02 August 2023 13:35

Sebastian Waldhauser

Messages: 24
Registered: March 2022

Junior Member

We have multiple workflows - one for each language, executed by Maven. The generated service loader file contains only one ISetup.

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Re: LSP Support: Multiple Languages in one Server [message #1860392 is a reply to message #1860385]

Wed, 02 August 2023 22:03

Christian Dietrich

Messages: 14735
Registered: July 2009

Senior Member

You should have one workflow with two languages sections

Twitter : @chrdietrich
Blog : https://www.dietrich-it.de
Day Job: https://www.everest-systems.com

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Re: LSP Support: Multiple Languages in one Server [message #1860509 is a reply to message #1860392]

Thu, 10 August 2023 14:44

Sebastian Waldhauser

Messages: 24
Registered: March 2022

Junior Member

Thank you, that worked!

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