LuaLS / LuaLS/lua-language-server

Undefined global: vim, hs, mp, anything implicitly defined by a parent

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描述

How are you using the lua-language-server?

NeoVim

Which OS are you using?

MacOS

What is the issue affecting?

Diagnostics/Syntax Checking

Expected Behaviour

LuaLS should have an annotation to assume a global is already defined. I looked in the documentation and didn't see one, but correct me if I'm wrong.

Actual Behaviour

In Neovim, vim is defined as a global in the Lua init file, which LuaLS complains about. This is frequently worked around by adding it as a global setting to LuaLS, but imo this is a monkey patch because non-Neovim Lua code may benefit from a diagnostic for a missing vim global.

It also doesn't help for other programs that embed Lua and define their own globals. HammerSpoon defines hs and mpv defines mp. In these cases the diagnostic can be circumvented with a require but it's not idiomatic in these domains and doesn't work for Neovim.

Reproduction steps
  1. Edit NeoVim, HammerSpoon, or mpv script
  2. Add vim, hs, or mp to the respective script
  3. Run LuaLS on the script
Additional Notes

No response

Log File

No response

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调研方向

未指定源文件或测试。首先跟踪 LuaLS 诊断和现有的全局设置配置,然后确定应如何声明由父级提供的全局变量;当能够识别 Neovim、Hammerspoon 和 mpv 的全局变量,同时不抑制与无关名称相关的 undefined-global 诊断时,即表示完成。

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评估

技术栈
lua
领域
devtools
Issue 类型
功能
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5/5
预计耗时
一周以上
活跃度
停滞
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基本清楚
新手友好度
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