nixos/lua-lsp/script/core/diagnostics/unbalanced-assignments.lua

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local files = require 'files'
local define = require 'proto.define'
local lang = require 'language'
local guide = require 'parser.guide'
local await = require 'await'
local types = {
'local',
'setlocal',
'setglobal',
'setfield',
'setindex' ,
}
---@async
return function (uri, callback, code)
local ast = files.getState(uri)
if not ast then
return
end
local last
local function checkSet(source)
if source.value then
last = source
else
if not last then
return
end
if last.start <= source.start
and last.value.start >= source.finish then
callback {
start = source.start,
finish = source.finish,
message = lang.script('DIAG_UNBALANCED_ASSIGNMENTS')
}
else
last = nil
end
end
end
---@async
guide.eachSourceTypes(ast.ast, types, function (source)
await.delay()
checkSet(source)
end)
end