make hls speak websocket #4666
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make hls speak websocket #4666
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Hey @soulomoon I would love to hear your opinion on a4ce2e8 which adds "syntactic" highlighting to the semantic tokens support... |
This is how it looks atm.
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oh shoot. I might have messed up (need to split up that last commit in two) |
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Good job, look promising @MangoIV |
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@soulomoon yes I will have to, thank you :) |
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Use the GHC AST and lsp semantic tokens to convince the language server to give highlighting even without any editor highlighting plugins.
This is the right thing to do because othewise it is not possible to create new ideStates in a single instance of the executable. This will be useful if the hls executable is supposed to talk to multiple clients and lives beyond a single client disconnecting.
Previously, when there was no shutdown message by a client and the client disconnected, resulting in the handlers to be GC'd the race that was supposed to free resources for the HieDB & co. would throw a hard error talking about the MVar being unreachable. We would like to instead finish gracefully because finishing the race as soon as the MVar was GC'd is the right thing to do anyway.
Use the GHC AST and lsp semantic tokens to convince the language server to give highlighting even without any editor highlighting plugins.
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ah there's something odd here with the hscenv of eval... somehow eval chokes on ghc 9.12 |
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try it out in combination with https://github.com/MangoIV/hls-playground by running that with
npm run devand this withcabal run -f-cabal -f-dynamic exe:haskell-language-server -- -d ws