{-# LANGUAGE MultiParamTypeClasses #-}
-{-# LANGUAGE FlexibleInstances #-}
{-# LANGUAGE ScopedTypeVariables #-}
{-# LANGUAGE RankNTypes #-}
+{-# LANGUAGE OverloadedStrings #-}
module Language.Haskell.LSP.Test.Parsing where
import Control.Applicative
-import Control.Concurrent.Chan
-import Control.Concurrent.MVar
+import Control.Concurrent
+import Control.Lens
+import Control.Monad.IO.Class
import Control.Monad.Trans.Class
-import Control.Monad.Trans.Reader
-import Control.Monad.Trans.State
import Data.Aeson
import qualified Data.ByteString.Lazy.Char8 as B
-import Data.Conduit hiding (await)
import Data.Conduit.Parser
import Data.Maybe
import Language.Haskell.LSP.Messages
-import Language.Haskell.LSP.Types hiding (error)
-import Language.Haskell.LSP.Test.Compat
-import Language.Haskell.LSP.Test.Decoding
+import Language.Haskell.LSP.Types as LSP hiding (error)
+import Language.Haskell.LSP.Test.Exceptions
import Language.Haskell.LSP.Test.Messages
-import System.IO
+import Language.Haskell.LSP.Test.Session
+import System.Console.ANSI
-data SessionContext = SessionContext
- {
- serverIn :: Handle,
- rootDir :: FilePath,
- messageChan :: Chan FromServerMessage,
- requestMap :: MVar RequestMap,
- initRsp :: MVar InitializeResponse
- }
-
-newtype SessionState = SessionState
- {
- curReqId :: LspId
- }
-
-type ParserStateReader a s r m = ConduitParser a (StateT s (ReaderT r m))
+satisfy :: (MonadIO m, MonadSessionConfig m) => (FromServerMessage -> Bool) -> ConduitParser FromServerMessage m FromServerMessage
+satisfy pred = do
+ timeout <- timeout <$> lift sessionConfig
+ tId <- liftIO myThreadId
+ timeoutThread <- liftIO $ forkIO $ do
+ threadDelay (timeout * 1000000)
+ throwTo tId TimeoutException
+ x <- await
+ liftIO $ killThread timeoutThread
--- | 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 = ParserStateReader FromServerMessage SessionState SessionContext IO
+ if pred x
+ then do
+ liftIO $ do
+ setSGR [SetColor Foreground Vivid Magenta]
+ putStrLn $ "<-- " ++ B.unpack (encodeMsg x)
+ setSGR [Reset]
+ return x
+ else empty
-- | Matches if the message is a notification.
-anyNotification :: Monad m => ConduitParser FromServerMessage m FromServerMessage
-anyNotification = satisfy isServerNotification
+anyNotification :: (MonadIO m, MonadSessionConfig m) => ConduitParser FromServerMessage m FromServerMessage
+anyNotification = named "Any notification" $ satisfy isServerNotification
-notification :: forall m a. (Monad m, FromJSON a) => ConduitParser FromServerMessage m (NotificationMessage ServerMethod a)
-notification = do
+notification :: forall m a. (MonadIO m, MonadSessionConfig m, FromJSON a) => ConduitParser FromServerMessage m (NotificationMessage ServerMethod a)
+notification = named "Notification" $ do
let parser = decode . encodeMsg :: FromServerMessage -> Maybe (NotificationMessage ServerMethod a)
x <- satisfy (isJust . parser)
- return $ decodeMsg $ encodeMsg x
+ return $ castMsg x
-- | Matches if the message is a request.
-anyRequest :: Monad m => ConduitParser FromServerMessage m FromServerMessage
-anyRequest = satisfy isServerRequest
+anyRequest :: (MonadIO m, MonadSessionConfig m) => ConduitParser FromServerMessage m FromServerMessage
+anyRequest = named "Any request" $ satisfy isServerRequest
-request :: forall m a b. (Monad m, FromJSON a, FromJSON b) => ConduitParser FromServerMessage m (RequestMessage ServerMethod a b)
-request = do
+request :: forall m a b. (MonadIO m, MonadSessionConfig m, FromJSON a, FromJSON b) => ConduitParser FromServerMessage m (RequestMessage ServerMethod a b)
+request = named "Request" $ do
let parser = decode . encodeMsg :: FromServerMessage -> Maybe (RequestMessage ServerMethod a b)
x <- satisfy (isJust . parser)
- return $ decodeMsg $ encodeMsg x
+ return $ castMsg x
-- | Matches if the message is a response.
-anyResponse :: Monad m => ConduitParser FromServerMessage m FromServerMessage
-anyResponse = satisfy isServerResponse
+anyResponse :: (MonadIO m, MonadSessionConfig m) => ConduitParser FromServerMessage m FromServerMessage
+anyResponse = named "Any response" $ satisfy isServerResponse
-response :: forall m a. (Monad m, FromJSON a) => ConduitParser FromServerMessage m (ResponseMessage a)
-response = do
+response :: forall m a. (MonadIO m, MonadSessionConfig m, FromJSON a) => ConduitParser FromServerMessage m (ResponseMessage a)
+response = named "Response" $ do
let parser = decode . encodeMsg :: FromServerMessage -> Maybe (ResponseMessage a)
x <- satisfy (isJust . parser)
- return $ decodeMsg $ encodeMsg x
+ return $ castMsg x
+
+responseForId :: forall m a. (MonadIO m, MonadSessionConfig m, FromJSON a) => LspId -> ConduitParser FromServerMessage m (ResponseMessage a)
+responseForId lid = named "Response for id" $ do
+ let parser = decode . encodeMsg :: FromServerMessage -> Maybe (ResponseMessage a)
+ x <- satisfy (maybe False (\z -> z ^. LSP.id == responseId lid) . parser)
+ return $ castMsg x
+
+anyMessage :: (MonadIO m, MonadSessionConfig m) => ConduitParser FromServerMessage m FromServerMessage
+anyMessage = satisfy (const True)
+
+-- | A stupid method for getting out the inner message.
+castMsg :: FromJSON a => FromServerMessage -> a
+castMsg = fromMaybe (error "Failed casting a message") . decode . encodeMsg
-- | A version of encode that encodes FromServerMessages as if they
-- weren't wrapped.
encodeMsg :: FromServerMessage -> B.ByteString
encodeMsg = encode . genericToJSON (defaultOptions { sumEncoding = UntaggedValue })
-decodeMsg :: FromJSON a => B.ByteString -> a
-decodeMsg x = fromMaybe (error $ "Unexpected message type\nGot:\n " ++ show x)
- (decode x)
-
-- | Matches if the message is a log message notification or a show message notification/request.
-loggingNotification :: Monad m => ConduitParser FromServerMessage m FromServerMessage
-loggingNotification = satisfy shouldSkip
+loggingNotification :: (MonadIO m, MonadSessionConfig m) => ConduitParser FromServerMessage m FromServerMessage
+loggingNotification = named "Logging notification" $ satisfy shouldSkip
where
shouldSkip (NotLogMessage _) = True
shouldSkip (NotShowMessage _) = True
shouldSkip (ReqShowMessage _) = True
shouldSkip _ = False
-publishDiagnosticsNotification :: Monad m => ConduitParser FromServerMessage m PublishDiagnosticsNotification
-publishDiagnosticsNotification = do
+publishDiagnosticsNotification :: (MonadIO m, MonadSessionConfig m) => ConduitParser FromServerMessage m PublishDiagnosticsNotification
+publishDiagnosticsNotification = named "Publish diagnostics notification" $ do
NotPublishDiagnostics diags <- satisfy test
return diags
where test (NotPublishDiagnostics _) = True
test _ = False
\ No newline at end of file
-
-satisfy :: Monad m => (a -> Bool) -> ConduitParser a m a
-satisfy pred = do
- x <- await
- if pred x
- then return x
- else empty
-
-runSession' :: Chan FromServerMessage -> SessionContext -> SessionState -> Session a -> IO (a, SessionState)
-runSession' chan context state session = runReaderT (runStateT conduit state) context
- where conduit = runConduit $ chanSource chan .| runConduitParser session
-
-get :: Monad m => ParserStateReader a s r m s
-get = lift Control.Monad.Trans.State.get
-
-put :: Monad m => s -> ParserStateReader a s r m ()
-put = lift . Control.Monad.Trans.State.put
-
-modify :: Monad m => (s -> s) -> ParserStateReader a s r m ()
-modify = lift . Control.Monad.Trans.State.modify
-
-ask :: Monad m => ParserStateReader a s r m r
-ask = lift $ lift Control.Monad.Trans.Reader.ask