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local files = require 'files'
local guide = require 'parser.guide'
local lang = require 'language'
local vm = require 'vm'
local await = require 'await'
---@async
return function (uri, callback)
local state = files.getState(uri)
if not state then
return
end
if not state.ast.docs then
return
end
for _, doc in ipairs(state.ast.docs) do
if doc.type == 'doc.cast' then
await.delay()
local defs = vm.getDefs(doc.loc)
local loc = defs[1]
if not loc then
callback {
start = doc.loc.start,
finish = doc.loc.finish,
message = lang.script('DIAG_UNKNOWN_CAST_VARIABLE', doc[1])
}
end
end
end
end
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