Request textDocument/hover failed.

How are you using the lua-language-server?

Visual Studio Code Extension (sumneko.lua)

Which OS are you using?

MacOS

What is the issue affecting?

Hover

Expected Behaviour

no errors when hover

Actual Behaviour

error popups when hover

[error][#0:script/vm/global.lua:640]: script/vm/global.lua:640: attempt to index a nil value (local 'source')
stack traceback:
script/vm/global.lua:640: in function 'vm.vm.getGlobalNode'
(...tail calls...)
script/vm/visible.lua:182: in field 'isVisible'
script/core/hover/table.lua:105: in upvalue 'getVisibleKeyMap'
script/core/hover/table.lua:188: in upvalue 'buildTable'
script/core/hover/label.lua:51: in function <script/core/hover/label.lua:46>
(...tail calls...)
script/core/hover/init.lua:37: in local 'addHover'
script/core/hover/init.lua:92: in upvalue 'getHover'
script/core/hover/init.lua:144: in field 'byUri'
script/provider/provider.lua:368: in function <script/provider/provider.lua:346>
[C]: in global 'xpcall'
script/proto/proto.lua:202: in function <script/proto/proto.lua:177>

Reproduction steps

---@alias namespace.B<T> A<T>

---@class namespace.C<T>
---@field _x T

---@class namespace.D<T>

---@class A<T>:namespace.C<T>,namespace.D<T>
local A = {}

hover on A

Additional Notes

No response

Log File

No response

在 Lua 代码片段中将鼠标悬停在 A 上以复现失败，然后从 script/vm/global.lua:640 开始，跟踪经过 script/vm/visible.lua:182 和 script/core/hover/table.lua:105 的调用。报告的 hover 请求不产生错误弹窗，并且仍返回复现所需的预期 hover 信息，即表示完成。