Experimental Language Server Protocol support #79
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@soutaro This PR is ready to review (or merge). |
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Thank you for great pull request @wata727 ! 🎉 |
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Note for execution in RubyMine: Add |
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This PR introduces a new command
steep langserver. This server communicates with a client via stdio according to the specification of Language Server Protocol v3.14.0.As a first step, this experimental implementation only supports diagnostics at file change and open. This behavior has been confirmed with VSCode and RubyMine, and you can try it immediately.
This implementation is highly inspired by language_server-ruby. Therefore, this PR adds language_server-protocol-ruby as a new dependency. This library defines the LSP interface as a Ruby class, and it helps to parse header, assemble a request as JSON RPC format, etc.
ToDo