import qualified Data.Text.IO as T
import qualified Data.HashMap.Strict as HashMap
import Data.Maybe
+import Data.Function
import Language.Haskell.LSP.Messages
import Language.Haskell.LSP.TH.ClientCapabilities
import Language.Haskell.LSP.Types hiding (error)
updateState (ReqApplyWorkspaceEdit r) = do
+ oldVFS <- vfs <$> get
+
allChangeParams <- case r ^. params . edit . documentChanges of
Just (List cs) -> do
mapM_ (checkIfNeedsOpened . (^. textDocument . uri)) cs
return $ concatMap (uncurry getChangeParams) (HashMap.toList cs)
Nothing -> error "No changes!"
- oldVFS <- vfs <$> get
newVFS <- liftIO $ changeFromServerVFS oldVFS r
modify (\s -> s { vfs = newVFS })
-- TODO: Don't do this when replaying a session
forM_ mergedParams (sendMessage . NotificationMessage "2.0" TextDocumentDidChange)
+ -- Update VFS to new document versions
+ let sortedVersions = map (sortBy (compare `on` (^. textDocument . version))) groupedParams
+ latestVersions = map ((^. textDocument) . last) sortedVersions
+ bumpedVersions = map (version . _Just +~ 1) latestVersions
+
+ forM_ bumpedVersions $ \(VersionedTextDocumentIdentifier uri v) ->
+ modify $ \s ->
+ let oldVFS = vfs s
+ update (VirtualFile oldV t) = VirtualFile (fromMaybe oldV v) t
+ newVFS = Map.adjust update uri oldVFS
+ in s { vfs = newVFS }
+
where checkIfNeedsOpened uri = do
oldVFS <- vfs <$> get
ctx <- ask
let changeEvents = map (\e -> TextDocumentContentChangeEvent (Just (e ^. range)) Nothing (e ^. newText)) edits
in DidChangeTextDocumentParams docId (List changeEvents)
- textDocumentVersions uri = map (VersionedTextDocumentIdentifier uri) [0..]
+ textDocumentVersions uri = map (VersionedTextDocumentIdentifier uri . Just) [0..]
textDocumentEdits uri edits = map (\(v, e) -> TextDocumentEdit v (List [e])) $ zip (textDocumentVersions uri) edits