{-# LANGUAGE FlexibleInstances #-}
module Language.Haskell.LSP.Test.Parsing where
+import Control.Applicative
+import Control.Monad.Trans.Class
import Control.Monad.IO.Class
import Control.Monad.Trans.Reader
-import qualified Data.ByteString.Lazy.Char8 as B
+import Control.Monad.Trans.State
import Language.Haskell.LSP.Messages
import Language.Haskell.LSP.Types
import Language.Haskell.LSP.Test.Messages
import Language.Haskell.LSP.Test.Decoding
import System.IO
-import Control.Concurrent
-import Text.Parsec hiding (satisfy)
+import Control.Concurrent.Chan
+import Control.Concurrent.MVar
+import Data.Conduit hiding (await)
+import Data.Conduit.Parser
data MessageParserState = MessageParserState
curReqId :: LspId
}
-type Session = ParsecT (Chan FromServerMessage) SessionState (ReaderT SessionContext IO)
+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
+-- | Matches if the message is a notification.
notification :: Session FromServerMessage
notification = satisfy isServerNotification
+-- | Matches if the message is a request.
request :: Session FromServerMessage
request = satisfy isServerRequest
+-- | Matches if the message is a response.
response :: Session FromServerMessage
response = satisfy isServerResponse
+-- | Matches if the message is a log message notification or a show message notification/request.
loggingNotification :: Session FromServerMessage
loggingNotification = satisfy shouldSkip
where
shouldSkip (ReqShowMessage _) = True
shouldSkip _ = False
-satisfy :: (Stream s m a, Eq a, Show a) => (a -> Bool) -> ParsecT s u m a
-satisfy pred = tokenPrim show nextPos test
- where nextPos x _ _ = x
- test x = if pred x then Just x else Nothing
+satisfy :: Monad m => (a -> Bool) -> ConduitParser a m a
+satisfy pred = do
+ x <- await
+ if pred x
+ then return x
+ else empty
-testLog = NotLogMessage (NotificationMessage "2.0" WindowLogMessage (LogMessageParams MtLog "Hello world"))
+chanSource:: MonadIO m => Chan o -> ConduitT i o m b
+chanSource c = do
+ x <- liftIO $ readChan c
+ yield x
+ chanSource c
-testSymbols = RspDocumentSymbols (ResponseMessage "2.0" (IdRspInt 0) (Just (List [])) Nothing)
+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
-instance (MonadIO m) => Stream (Chan a) m a where
- uncons c = do
- x <- liftIO $ readChan c
- return $ Just (x, c)
+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