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Add Langium Language#7649
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lildude
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Oct 27, 2025
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The C4 examples is a little long, verging on 1k loc. Let me know if it would be preferable to switch out for something more compact.
Yes please. If the sample is suppressed in the diff, it's too big.
You're also not finished with this PR… you've missed step 4 😉
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This PR adds language support for the Langium grammar language.
Description
Langium is both the name of the grammar language and the associated language engineering framework (akin in some ways to Xtext, if that rings a bell). Langium grammar files are written and used to generate an associated parser configuration as well as types for the abstract syntax, cross-ref information, and other helpful details.
Altogether it's typically used to generate language implementations with LSP support. Common use cases are building vscode extensions for supporting domain specific languages, syntax highlighting & generation tools.
I am adding a new language.
*.langiumfiles as of Oct. 27th#2c8c87- [ ] I have updated the heuristics to distinguish my language from others using the same extension.The C4 examples is a little long, verging on 1k loc. Let me know if it would be preferable to switch out for something more compact.