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Fix TextDocumentContentChangeEvents getting applied in the wrong order #603

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Jun 1, 2018
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Fix TextDocumentContentChangeEvents getting applied in the wrong order #603

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fb05c8d
Fix textdocumentcontentchangeevents getting applied in the wrong order
lukel97 May 31, 2018
34ead13
Update haskell-lsp
lukel97 May 31, 2018
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4 changes: 2 additions & 2 deletions src/Haskell/Ide/Engine/Transport/LspStdio.hs
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Original file line number Diff line number Diff line change
Expand Up @@ -265,8 +265,8 @@ updatePositionMap uri changes = pluginGetFile "updatePositionMap: " uri $ \file
ModuleCached cm _ -> do
let n2oOld = newPosToOld cm
o2nOld = oldPosToNew cm
(n2o,o2n) = foldr go (n2oOld, o2nOld) changes
go (J.TextDocumentContentChangeEvent (Just r) _ txt) (n2o', o2n') =
(n2o,o2n) = foldl' go (n2oOld, o2nOld) changes
go (n2o', o2n') (J.TextDocumentContentChangeEvent (Just r) _ txt) =
(n2o' <=< newToOld r txt, oldToNew r txt <=< o2n')
go _ _ = (const Nothing, const Nothing)
let cm' = cm {newPosToOld = n2o, oldPosToNew = o2n}
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2 changes: 1 addition & 1 deletion submodules/haskell-lsp
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Submodule haskell-lsp updated from 82a512 to 46680c