feat: add ELP (Erlang Language Platform) as default Erlang language server#1149
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zerone0x wants to merge 1 commit intooraios:mainfrom
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feat: add ELP (Erlang Language Platform) as default Erlang language server#1149zerone0x wants to merge 1 commit intooraios:mainfrom
zerone0x wants to merge 1 commit intooraios:mainfrom
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…erver The erlang_ls project was archived on 2025-08-15 and the maintainers recommend switching to ELP (Erlang Language Platform) by WhatsApp. Changes: - Add ErlangLanguagePlatform class in elp_language_server.py using the 'elp server' command (stdio LSP transport) - Point Language.ERLANG to ELP (new default) - Add Language.ERLANG_LS as deprecated/experimental fallback for users who still have erlang_ls installed - Update docs to reflect the new default and link to ELP install guide ELP provides go-to-definition, find references, call hierarchy and more. It is actively maintained and resolves long-standing CI issues with erlang_ls hanging on startup. Closes oraios#771 Co-Authored-By: Claude <noreply@anthropic.com>
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@zerone0x is the ELP LS good enough to reliably run in CI? Then the erlang tests should be reactivated and extended if needed. |
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Closes #771
The erlang_ls project was archived on 2025-08-15. This PR switches the default Erlang language server to ELP (Erlang Language Platform) by WhatsApp, as recommended by the erlang_ls maintainers.
Changes
ErlangLanguagePlatformclass inelp_language_server.pyusingelp server(stdio LSP transport)Language.ERLANGnow points to ELP (the new default)Language.ERLANG_LSadded as a deprecated/experimental fallback for users who still haveerlang_lsinstalled — setlanguage: erlang_lsinproject.ymlto use itUsage
ELP must be installed and
elpmust be inPATH. Installation: https://whatsapp.github.io/erlang-language-platform/docs/get-started/Users who still need the legacy
erlang_lscan opt in viaproject.yml:ELP is actively maintained, supports go-to-definition, find references, call hierarchy and more. It should also resolve the CI hangs that made erlang_ls testing unreliable.
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