-- * Sessions
runSession
, runSessionWithHandler
+ -- | A session representing one instance of launching and connecting to a server.
+ --
+ -- You can send and receive messages to the server within 'Session' via 'getMessage',
+ -- 'sendRequest' and 'sendNotification'.
+ --
+ -- @
+ -- runSession \"path\/to\/root\/dir\" $ do
+ -- docItem <- getDocItem "Desktop/simple.hs" "haskell"
+ -- sendNotification TextDocumentDidOpen (DidOpenTextDocumentParams docItem)
+ -- diagnostics <- getMessage :: Session PublishDiagnosticsNotification
+ -- @
, Session
-- * Sending
, sendRequest
, sendNotification'
, sendResponse'
-- * Receving
- , getMessage
+ , request
+ , response
+ , notification
+ , loggingNotification
+ -- * Parsing
+ , many
+ , skipMany
-- * Utilities
, getDocItem
, getDocUri
import Control.Monad.Trans.Class
import Control.Monad.IO.Class
import Control.Monad.Trans.Reader
-import Control.Monad.Trans.State
import Control.Concurrent
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 Data.Maybe
import Data.Proxy
import System.Process
import Language.Haskell.LSP.Types hiding (error, id)
+import Language.Haskell.LSP.Messages
import Language.Haskell.LSP.Test.Compat
import System.IO
import System.Directory
import System.FilePath
import Language.Haskell.LSP.Test.Decoding
-
-data SessionContext = SessionContext
- {
- messageSema :: MVar B.ByteString,
- serverIn :: Handle,
- rootDir :: FilePath
- }
-
-newtype SessionState = SessionState
- {
- curReqId :: LspId
- }
-
--- | A session representing one instance of launching and connecting to a server.
---
--- You can send and receive messages to the server within 'Session' via 'getMessage',
--- 'sendRequest' and 'sendNotification'.
---
--- @
--- runSession \"path\/to\/root\/dir\" $ do
--- docItem <- getDocItem "Desktop/simple.hs" "haskell"
--- sendNotification TextDocumentDidOpen (DidOpenTextDocumentParams docItem)
--- diagnostics <- getMessage :: Session PublishDiagnosticsNotification
--- @
---
-type Session = StateT SessionState (ReaderT SessionContext IO)
+import Language.Haskell.LSP.Test.Parsing
+import Text.Parsec
-- | Starts a new session.
runSession :: FilePath -- ^ The filepath to the root directory for the session.
-- Wrap the session around initialize and shutdown calls
sendRequest (Proxy :: Proxy InitializeRequest) Initialize initializeParams
- (ResponseMessage _ _ (Just (InitializeResponseCapabilities _)) e) <- getMessage
- liftIO $ maybe (return ()) (putStrLn . ("Error when initializing: " ++) . show ) e
+ -- (ResponseMessage _ _ (Just (InitializeResponseCapabilities _)) e) <- getMessage
+ -- liftIO $ maybe (return ()) (putStrLn . ("Error when initializing: " ++) . show ) e
+ (RspInitialize _ ) <- response
sendNotification Initialized InitializedParams
hSetBuffering serverIn NoBuffering
hSetBuffering serverOut NoBuffering
- messageSema <- newEmptyMVar
+ reqMap <- newMVar newRequestMap
+ messageChan <- newChan
+ meaninglessChan <- newChan
- let context = SessionContext messageSema serverIn absRootDir
+ let context = SessionContext serverIn absRootDir messageChan reqMap
initState = SessionState (IdInt 9)
- forkIO $ void $ runReaderT (runStateT (serverHandler serverOut) initState) context
- (result, _) <- runReaderT (runStateT session initState) context
+ forkIO $ void $ runReaderT (runParserT (serverHandler serverOut) initState "" meaninglessChan) context
+ result <- runReaderT (runParserT session initState "" messageChan) context
terminateProcess serverProc
- return result
+ case result of
+ Right x -> return x
+ Left err -> error $ show err
-- | Listens to the server output, makes sure it matches the record and
-- signals any semaphores
listenServer :: Handle -> Session ()
listenServer serverOut = do
- context <- lift ask
msgBytes <- liftIO $ getNextMessage serverOut
- liftIO $ case decode msgBytes :: Maybe LogMessageNotification of
- -- Just print log and show messages
- Just (NotificationMessage _ WindowLogMessage (LogMessageParams _ msg)) -> T.putStrLn msg
- _ -> case decode msgBytes :: Maybe ShowMessageNotification of
- Just (NotificationMessage _ WindowShowMessage (ShowMessageParams _ msg)) -> T.putStrLn msg
- -- Give everything else for getMessage to handle
- _ -> putMVar (messageSema context) msgBytes
+ context <- lift ask
+ reqMap <- liftIO $ readMVar $ requestMap context
+
+ liftIO $ writeChan (messageChan context) $ decodeFromServerMsg reqMap msgBytes
listenServer serverOut
-> params -- ^ The request parameters.
-> Session LspId -- ^ The id of the request that was sent.
sendRequest _ method params = do
- id <- curReqId <$> get
- get >>= \c -> put c { curReqId = nextId id }
+ id <- curReqId <$> getState
+ modifyState $ \c -> c { curReqId = nextId id }
let req = RequestMessage "2.0" id method params :: RequestMessage ClientMethod params resp
where nextId (IdInt i) = IdInt (i + 1)
nextId (IdString s) = IdString $ T.pack $ show $ read (T.unpack s) + 1
-sendRequest' :: (ToJSON a, ToJSON b, ToJSON c) => RequestMessage a b c -> Session ()
-sendRequest' = sendMessage
+sendRequest' :: (ToJSON a, ToJSON b) => RequestMessage ClientMethod a b -> Session ()
+sendRequest' req = do
+ -- Update the request map
+ reqMap <- requestMap <$> lift ask
+ liftIO $ modifyMVar_ reqMap (return . flip updateRequestMap req)
+
+ sendMessage req
-- | Sends a notification to the server.
sendNotification :: ToJSON a
h <- serverIn <$> lift ask
liftIO $ B.hPut h $ addHeader (encode msg)
--- | Reads in a message from the server.
-getMessage :: FromJSON a => Session a
-getMessage = do
- sema <- messageSema <$> lift ask
- bytes <- liftIO $ takeMVar sema
- return $ fromMaybe (error $ "Wrong type! Got: " ++ show bytes) (decode bytes)
-
-- | Reads in a text document as the first version.
getDocItem :: FilePath -- ^ The path to the text document to read in.
-> String -- ^ The language ID, e.g "haskell" for .hs files.
projects / lsp-test.git / blobdiff