{-# LANGUAGE MultiParamTypeClasses #-}
{-# LANGUAGE FlexibleInstances #-}
+{-# LANGUAGE ScopedTypeVariables #-}
+{-# LANGUAGE RankNTypes #-}
module Language.Haskell.LSP.Test.Parsing where
import Control.Applicative
-import Control.Monad.Trans.Class
+import Control.Concurrent
import Control.Monad.IO.Class
-import Control.Monad.Trans.Reader
-import Control.Monad.Trans.State
+import Control.Monad.Trans.Class
+import Data.Aeson
+import qualified Data.ByteString.Lazy.Char8 as B
+import Data.Conduit.Parser
+import Data.Maybe
import Language.Haskell.LSP.Messages
import Language.Haskell.LSP.Types hiding (error)
+import Language.Haskell.LSP.Test.Exceptions
import Language.Haskell.LSP.Test.Messages
-import Language.Haskell.LSP.Test.Decoding
-import System.IO
-import Control.Concurrent.Chan
-import Control.Concurrent.MVar
-import Data.Conduit hiding (await)
-import Data.Conduit.Parser
+import Language.Haskell.LSP.Test.Session
-data SessionContext = SessionContext
- {
- serverIn :: Handle,
- rootDir :: FilePath,
- messageChan :: Chan FromServerMessage,
- requestMap :: MVar RequestMap
- }
-
-newtype SessionState = SessionState
- {
- curReqId :: LspId
- }
-
-type ParserStateReader a s r m = ConduitParser a (StateT s (ReaderT r m))
--- | 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
+satisfy :: (MonadIO m, MonadSessionConfig m) => (a -> Bool) -> ConduitParser a m a
+satisfy pred = do
+ timeout <- timeout <$> lift sessionConfig
+ tId <- liftIO myThreadId
+ liftIO $ forkIO $ do
+ threadDelay (timeout * 1000000)
+ throwTo tId TimeoutException
+ x <- await
+ if pred x
+ then return x
+ else empty
-- | Matches if the message is a notification.
-notification :: Session FromServerMessage
-notification = satisfy isServerNotification
+anyNotification :: (MonadIO m, MonadSessionConfig m) => ConduitParser FromServerMessage m FromServerMessage
+anyNotification = satisfy isServerNotification
+
+notification :: forall m a. (MonadIO m, MonadSessionConfig m, FromJSON a) => ConduitParser FromServerMessage m (NotificationMessage ServerMethod a)
+notification = do
+ let parser = decode . encodeMsg :: FromServerMessage -> Maybe (NotificationMessage ServerMethod a)
+ x <- satisfy (isJust . parser)
+ return $ decodeMsg $ encodeMsg x
-- | Matches if the message is a request.
-request :: Session FromServerMessage
-request = satisfy isServerRequest
+anyRequest :: (MonadIO m, MonadSessionConfig m) => ConduitParser FromServerMessage m FromServerMessage
+anyRequest = satisfy isServerRequest
+
+request :: forall m a b. (MonadIO m, MonadSessionConfig m, FromJSON a, FromJSON b) => ConduitParser FromServerMessage m (RequestMessage ServerMethod a b)
+request = do
+ let parser = decode . encodeMsg :: FromServerMessage -> Maybe (RequestMessage ServerMethod a b)
+ x <- satisfy (isJust . parser)
+ return $ decodeMsg $ encodeMsg x
-- | Matches if the message is a response.
-response :: Session FromServerMessage
-response = satisfy isServerResponse
+anyResponse :: (MonadIO m, MonadSessionConfig m) => ConduitParser FromServerMessage m FromServerMessage
+anyResponse = satisfy isServerResponse
+
+response :: forall m a. (MonadIO m, MonadSessionConfig m, FromJSON a) => ConduitParser FromServerMessage m (ResponseMessage a)
+response = do
+ let parser = decode . encodeMsg :: FromServerMessage -> Maybe (ResponseMessage a)
+ x <- satisfy (isJust . parser)
+ return $ decodeMsg $ encodeMsg x
+
+-- | 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 :: Session FromServerMessage
+loggingNotification :: (MonadIO m, MonadSessionConfig m) => ConduitParser FromServerMessage m FromServerMessage
loggingNotification = satisfy shouldSkip
where
shouldSkip (NotLogMessage _) = True
shouldSkip (ReqShowMessage _) = True
shouldSkip _ = False
-publishDiagnosticsNotification :: Session PublishDiagnosticsNotification
+publishDiagnosticsNotification :: (MonadIO m, MonadSessionConfig m) => ConduitParser FromServerMessage m PublishDiagnosticsNotification
publishDiagnosticsNotification = do
- (NotPublishDiagnostics diags) <- satisfy test
+ NotPublishDiagnostics diags <- satisfy test
return diags
- where test (NotPublishDiagnostics _) = False
+ 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
-
-chanSource:: MonadIO m => Chan o -> ConduitT i o m b
-chanSource c = do
- x <- liftIO $ readChan c
- yield x
- chanSource c
-
-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
\ No newline at end of file
projects / opengl.git / blobdiff