lua-language-server が luajit ffi のインテリセンスを出せるように emmylua annotation を生成するより、 ffi.cdef を読めるようにすればよいのでは。ということで、lua-language-server を探ってみる。

構成

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A language server that offers Lua language support - programmed in Lua - LuaLS/lua-language-server

https://github.com/sumneko/lua-language-server/wiki/Command-line

BINRARY/lua-language-server LUA_LANGUAGE_SERVER/main.lua --logpath=D:/log --metapath=D:/meta --locale=en-us --configpath="config.json"

> .\bin\Windows\lua-language-server.exe --help
lua-language-server.exe:unrecognized option '--help'usage: C:\Users\oustt\ghq\github.com\sumneko\lua-language-server\bin\Windows\lua-language-server.exe [options] [script [args]]
Available options are:
  -e stat  execute string 'stat'
  -i       enter interactive mode after executing 'script'
  -l name  require library 'name' into global 'name'
  -v       show version information
  -E       ignore environment variables
  -W       turn warnings on
  --       stop handling options
  -        stop handling options and execute stdin
> .\bin\Windows\lua-language-server.exe -v
Lua 5.4.4  Copyright (C) 1994-2021 Lua.org, PUC-Rio

native モジュールを埋め込んだインタープリター lua-language-server.exe で main.lua を実行する。

setting

.vscode/settings.json

     "Lua.runtime.version": "LuaJIT",
     "Lua.workspace.preloadFileSize": 10000

LSP

Official page for Language Server Protocol

Language Server Protocol documentation and specification page.

https://microsoft.github.io/language-server-protocol/

signatureHelp

main.lua

main.lua
- script/service/service.lua

function m.start()
    util.enableCloseFunction()
    await.setErrorHandle(log.error)
    pub.recruitBraves(4)

    -- transport
    proto.listen()

    m.report()
    m.pulse()
    m.reportStatus()
    m.testVersion()

    require 'provider'

    m.startTimer()
end