-{-# LANGUAGE OverloadedStrings #-}
+{-# LANGUAGE MultiParamTypeClasses #-}
+{-# 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 Control.Monad.Trans.State
import Language.Haskell.LSP.Messages
-import Language.Haskell.LSP.Types
+import Language.Haskell.LSP.Types hiding (error)
import Language.Haskell.LSP.Test.Messages
-import Text.Parsec hiding (satisfy)
+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
+ }
-type MessageParser = Parsec [FromServerMessage] MessageParserState
+newtype SessionState = SessionState
+ {
+ curReqId :: LspId
+ }
-notification :: MessageParser FromServerMessage
+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
-request :: MessageParser FromServerMessage
+-- | Matches if the message is a request.
+request :: Session FromServerMessage
request = satisfy isServerRequest
-response :: MessageParser FromServerMessage
+-- | Matches if the message is a response.
+response :: Session FromServerMessage
response = satisfy isServerResponse
-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
+-- | Matches if the message is a log message notification or a show message notification/request.
+loggingNotification :: Session FromServerMessage
+loggingNotification = satisfy shouldSkip
+ where
+ shouldSkip (NotLogMessage _) = True
+ shouldSkip (NotShowMessage _) = True
+ shouldSkip (ReqShowMessage _) = True
+ shouldSkip _ = False
+
+publishDiagnosticsNotification :: Session PublishDiagnosticsNotification
+publishDiagnosticsNotification = do
+ (NotPublishDiagnostics diags) <- satisfy test
+ return diags
+ where test (NotPublishDiagnostics _) = False
+ test _ = 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
-testLog = NotLogMessage (NotificationMessage "2.0" WindowLogMessage (LogMessageParams MtLog "Hello world"))
+put :: Monad m => s -> ParserStateReader a s r m ()
+put = lift . Control.Monad.Trans.State.put
-testSymbols = RspDocumentSymbols (ResponseMessage "2.0" (IdRspInt 0) (Just (List [])) Nothing)
+modify :: Monad m => (s -> s) -> ParserStateReader a s r m ()
+modify = lift . Control.Monad.Trans.State.modify
-parseMessages :: MessageParser a -> [FromServerMessage] -> Either ParseError a
-parseMessages parser = runP parser MessageParserState ""
\ No newline at end of file
+ask :: Monad m => ParserStateReader a s r m r
+ask = lift $ lift Control.Monad.Trans.Reader.ask
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