X-Git-Url: http://git.lukelau.me/?a=blobdiff_plain;f=src%2FLanguage%2FHaskell%2FLSP%2FTest%2FParsing.hs;h=b28047ce0f93ac75fee9f54fad0581ab39d9ebf7;hb=0da56e90a0fd4ada9acb01ca9ce769c5924653ec;hp=9d2dd702c78d2065b53835e12cc11a4f3dd4b9be;hpb=c78547478baf6c47849921fa8e1c391472685e99;p=opengl.git

diff --git a/src/Language/Haskell/LSP/Test/Parsing.hs b/src/Language/Haskell/LSP/Test/Parsing.hs
index 9d2dd70..b28047c 100644
--- a/src/Language/Haskell/LSP/Test/Parsing.hs
+++ b/src/Language/Haskell/LSP/Test/Parsing.hs
@@ -1,51 +1,94 @@
-{-# LANGUAGE OverloadedStrings #-}
 {-# LANGUAGE MultiParamTypeClasses #-}
-{-# LANGUAGE FlexibleInstances #-}
+{-# LANGUAGE ScopedTypeVariables #-}
+{-# LANGUAGE RankNTypes #-}
+{-# LANGUAGE OverloadedStrings #-}
 module Language.Haskell.LSP.Test.Parsing where
 
+import Control.Applicative
+import Control.Concurrent
+import Control.Monad.IO.Class
+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 Control.Concurrent
-import Text.Parsec hiding (satisfy)
-import Control.Monad
+import Language.Haskell.LSP.Test.Session
+import System.Console.ANSI
+
+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
+
+  if pred x
+    then do
+      liftIO $ do
+        setSGR [SetColor Foreground Vivid Magenta]
+        putStrLn $ "<-- " ++ B.unpack (encodeMsg x)
+        setSGR [Reset]
+      return x
+    else empty
 
-data MessageParserState = MessageParserState
+-- | Matches if the message is a notification.
+anyNotification :: (MonadIO m, MonadSessionConfig m) => ConduitParser FromServerMessage m FromServerMessage
+anyNotification = named "Any notification" $ satisfy isServerNotification
 
-type MessageParser = ParsecT (Chan FromServerMessage) MessageParserState IO
+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 $ castMsg x
 
-notification :: MessageParser FromServerMessage
-notification = satisfy isServerNotification
+-- | Matches if the message is a request.
+anyRequest :: (MonadIO m, MonadSessionConfig m) => ConduitParser FromServerMessage m FromServerMessage
+anyRequest = named "Any request" $ satisfy isServerRequest
 
-request :: MessageParser FromServerMessage
-request = satisfy isServerRequest
+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 $ castMsg x
 
-response :: MessageParser FromServerMessage
-response = satisfy isServerResponse
+-- | Matches if the message is a response.
+anyResponse :: (MonadIO m, MonadSessionConfig m) => ConduitParser FromServerMessage m FromServerMessage
+anyResponse = named "Any 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
+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 $ castMsg x
 
-testLog = NotLogMessage (NotificationMessage "2.0" WindowLogMessage (LogMessageParams MtLog "Hello world"))
+-- | A stupid method for getting out the inner message.
+castMsg :: FromJSON a => FromServerMessage -> a
+castMsg = fromMaybe (error "Failed casting a message") . decode . encodeMsg
 
-testSymbols = RspDocumentSymbols (ResponseMessage "2.0" (IdRspInt 0) (Just (List [])) Nothing)
+-- | A version of encode that encodes FromServerMessages as if they
+-- weren't wrapped.
+encodeMsg :: FromServerMessage -> B.ByteString
+encodeMsg = encode . genericToJSON (defaultOptions { sumEncoding = UntaggedValue })
 
-instance Stream (Chan a) IO a where
-  uncons c = do
-    x <- readChan c
-    return $ Just (x, c)
+-- | Matches if the message is a log message notification or a show message notification/request.
+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
 
-test :: IO ()
-test = do
-  chan <- newChan
-  let parser = do
-        n <- count 2 notification
-        rsp <- response
-        return (n, rsp)
-  forkIO $ forM_ [testLog, testLog, testSymbols] $ \x -> do
-    writeChan chan x
-    threadDelay 1000000
-  x <- runParserT parser MessageParserState "" chan
-  print x
\ No newline at end of file
+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