(
-- * Sessions
runSession
- , runSessionWithHandler
+ , runSessionWithHandles
+ , runSessionWithCapabilities
, Session
-- * Sending
, sendRequest
import Control.Monad
import Control.Monad.IO.Class
import Control.Concurrent
-import Control.Lens hiding ((.=))
+import Control.Lens hiding ((.=), List)
import qualified Data.Text as T
import qualified Data.Text.IO as T
import Data.Aeson
import qualified Data.ByteString.Lazy.Char8 as B
import Data.Default
-import System.Process
+import Data.Foldable
+import qualified Data.HashMap.Strict as HashMap
+import Data.List
import Language.Haskell.LSP.Types
import qualified Language.Haskell.LSP.Types as LSP (error, id)
+import Language.Haskell.LSP.TH.ClientCapabilities
+import Language.Haskell.LSP.Messages
+import Language.Haskell.LSP.VFS
import Language.Haskell.LSP.Test.Compat
+import Language.Haskell.LSP.Test.Decoding
+import Language.Haskell.LSP.Test.Parsing
+import Language.Haskell.LSP.Test.Session
+import Language.Haskell.LSP.Test.Server
import System.IO
import System.Directory
import System.FilePath
-import Language.Haskell.LSP.Test.Decoding
-import Language.Haskell.LSP.Test.Parsing
-- | Starts a new session.
runSession :: String -- ^ The command to run the server.
-> FilePath -- ^ The filepath to the root directory for the session.
-> Session a -- ^ The session to run.
- -> IO ()
-runSession serverExe rootDir session = do
+ -> IO a
+runSession = runSessionWithCapabilities def
+
+-- | Starts a new sesion with a client with the specified capabilities.
+runSessionWithCapabilities :: ClientCapabilities -- ^ The capabilities the client should have.
+ -> String -- ^ The command to run the server.
+ -> FilePath -- ^ The filepath to the root directory for the session.
+ -> Session a -- ^ The session to run.
+ -> IO a
+runSessionWithCapabilities caps serverExe rootDir session = do
pid <- getProcessID
absRootDir <- canonicalizePath rootDir
(Just $ T.pack absRootDir)
(Just $ filePathToUri absRootDir)
Nothing
- def
+ caps
(Just TraceOff)
- runSessionWithHandler listenServer serverExe rootDir $ do
+ withServer serverExe $ \serverIn serverOut _ -> runSessionWithHandles serverIn serverOut listenServer rootDir $ do
-- Wrap the session around initialize and shutdown calls
sendRequest Initialize initializeParams
initRspVar <- initRsp <$> ask
liftIO $ putMVar initRspVar initRspMsg
-
sendNotification Initialized InitializedParams
-- Run the actual test
- session
+ result <- session
sendNotification Exit ExitParams
--- | An internal version of 'runSession' that allows for a custom handler to listen to the server.
--- It also does not automatically send initialize and exit messages.
-runSessionWithHandler :: (Handle -> Session ())
- -> String
- -> FilePath
- -> Session a
- -> IO a
-runSessionWithHandler serverHandler serverExe rootDir session = do
- absRootDir <- canonicalizePath rootDir
-
- let createProc = (shell serverExe) { std_in = CreatePipe, std_out = CreatePipe, std_err = CreatePipe }
- (Just serverIn, Just serverOut, _, serverProc) <- createProcess createProc
-
- hSetBuffering serverIn NoBuffering
- hSetBuffering serverOut NoBuffering
-
- reqMap <- newMVar newRequestMap
- messageChan <- newChan
- meaninglessChan <- newChan
- initRsp <- newEmptyMVar
-
- let context = SessionContext serverIn absRootDir messageChan reqMap initRsp
- initState = SessionState (IdInt 9)
-
- threadId <- forkIO $ void $ runSession' meaninglessChan context initState (serverHandler serverOut)
- (result, _) <- runSession' messageChan context initState session
-
- terminateProcess serverProc
- killThread threadId
-
return result
-- | Listens to the server output, makes sure it matches the record and
context <- ask
reqMap <- liftIO $ readMVar $ requestMap context
- liftIO $ writeChan (messageChan context) $ decodeFromServerMsg reqMap msgBytes
+ let msg = decodeFromServerMsg reqMap msgBytes
+ processTextChanges msg
+ liftIO $ writeChan (messageChan context) msg
listenServer serverOut
+processTextChanges :: FromServerMessage -> Session ()
+processTextChanges (ReqApplyWorkspaceEdit r) = do
+ List changeParams <- case r ^. params . edit . documentChanges of
+ Just cs -> mapM applyTextDocumentEdit cs
+ Nothing -> case r ^. params . edit . changes of
+ Just cs -> mapM (uncurry applyTextEdit) (List (HashMap.toList cs))
+ Nothing -> return (List [])
+
+ let groupedParams = groupBy (\a b -> (a ^. textDocument == b ^. textDocument)) changeParams
+ mergedParams = map mergeParams groupedParams
+
+ forM_ mergedParams (sendNotification TextDocumentDidChange)
+
+ where applyTextDocumentEdit (TextDocumentEdit docId (List edits)) = do
+ oldVFS <- vfs <$> get
+ let changeEvents = map (\e -> TextDocumentContentChangeEvent (Just (e ^. range)) Nothing (e ^. newText)) edits
+ params = DidChangeTextDocumentParams docId (List changeEvents)
+ newVFS <- liftIO $ changeVFS oldVFS (fmClientDidChangeTextDocumentNotification params)
+ modify (\s -> s { vfs = newVFS })
+ return params
+
+ applyTextEdit uri edits = applyTextDocumentEdit (TextDocumentEdit (VersionedTextDocumentIdentifier uri 0) edits)
+
+ mergeParams :: [DidChangeTextDocumentParams] -> DidChangeTextDocumentParams
+ mergeParams params = let events = concat (toList (map (toList . (^. contentChanges)) params))
+ in DidChangeTextDocumentParams (head params ^. textDocument) (List events)
+processTextChanges _ = return ()
+
-- | Sends a request to the server.
--
-- @
projects / opengl.git / blobdiff