X-Git-Url: http://git.lukelau.me/?a=blobdiff_plain;f=src%2FLanguage%2FHaskell%2FLSP%2FTest%2FParsing.hs;h=9e6bdd5c5739f07b9b8590598fe2a1c08cfcae86;hb=0f8b9d328f4d950ff0a2e1c3b5aed593b21c2d3a;hp=53485f19c832ed0cdaab269fbc758aec16cbb1c8;hpb=d8ce5332e9ac2dc24bf1490f03bd30abb17196e8;p=lsp-test.git

diff --git a/src/Language/Haskell/LSP/Test/Parsing.hs b/src/Language/Haskell/LSP/Test/Parsing.hs
index 53485f1..9e6bdd5 100644
--- a/src/Language/Haskell/LSP/Test/Parsing.hs
+++ b/src/Language/Haskell/LSP/Test/Parsing.hs
@@ -1,66 +1,76 @@
-{-# LANGUAGE OverloadedStrings #-}
 {-# 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
+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
-
-data MessageParserState = MessageParserState
-
-data SessionContext = SessionContext
-  {
-    serverIn :: Handle,
-    rootDir :: FilePath,
-    messageChan :: Chan FromServerMessage,
-    requestMap :: MVar RequestMap
-  }
-
-newtype SessionState = SessionState
-  {
-    curReqId :: LspId
-  }
+import Language.Haskell.LSP.Test.Session
 
-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
@@ -68,31 +78,9 @@ loggingNotification = satisfy shouldSkip
     shouldSkip (ReqShowMessage _) = True
     shouldSkip _ = False
 
-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
+publishDiagnosticsNotification :: (MonadIO m, MonadSessionConfig m) => ConduitParser FromServerMessage m PublishDiagnosticsNotification
+publishDiagnosticsNotification = do
+  NotPublishDiagnostics diags <- satisfy test
+  return diags
+  where test (NotPublishDiagnostics _) = True
+        test _ = False
\ No newline at end of file