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local files = require 'files'
local lang = require 'language'
local guide = require 'parser.guide'
local await = require 'await'
---@async
return function (uri, callback)
local state = files.getState(uri)
local text = files.getText(uri)
if not state or not text then
return
end
local lines = state.lines
for i = 0, #lines do
await.delay()
local startOffset = lines[i]
local finishOffset = text:find('[\r\n]', startOffset) or (#text + 1)
local lastOffset = finishOffset - 1
local lastChar = text:sub(lastOffset, lastOffset)
if lastChar ~= ' ' and lastChar ~= '\t' then
goto NEXT_LINE
end
local lastPos = guide.offsetToPosition(state, lastOffset)
if guide.isInString(state.ast, lastPos)
or guide.isInComment(state.ast, lastPos) then
goto NEXT_LINE
end
local firstOffset = startOffset
for n = lastOffset - 1, startOffset, -1 do
local char = text:sub(n, n)
if char ~= ' ' and char ~= '\t' then
firstOffset = n + 1
break
end
end
local firstPos = guide.offsetToPosition(state, firstOffset) - 1
if firstOffset == startOffset then
callback {
start = firstPos,
finish = lastPos,
message = lang.script.DIAG_LINE_ONLY_SPACE,
}
else
callback {
start = firstPos,
finish = lastPos,
message = lang.script.DIAG_LINE_POST_SPACE,
}
end
::NEXT_LINE::
end
end
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