X-Git-Url: http://git.lukelau.me/?a=blobdiff_plain;f=src%2FLanguage%2FHaskell%2FLSP%2FTest%2FSession.hs;h=2df5ab3c4263e725cc240b22933480943071ac73;hb=3054f9c1c5403a527cf0c82bfbf021174db4addd;hp=f0d410afed37c295a9ebdac061471056f1bb882b;hpb=c11f5798ff6f9634e24c6521eb01d03a27e718ac;p=opengl.git

diff --git a/src/Language/Haskell/LSP/Test/Session.hs b/src/Language/Haskell/LSP/Test/Session.hs
index f0d410a..2df5ab3 100644
--- a/src/Language/Haskell/LSP/Test/Session.hs
+++ b/src/Language/Haskell/LSP/Test/Session.hs
@@ -1,3 +1,4 @@
+{-# LANGUAGE CPP               #-}
 {-# LANGUAGE OverloadedStrings #-}
 {-# LANGUAGE FlexibleInstances #-}
 {-# LANGUAGE MultiParamTypeClasses #-}
@@ -31,9 +32,11 @@ import Control.Concurrent hiding (yield)
 import Control.Exception
 import Control.Lens hiding (List)
 import Control.Monad
-import Control.Monad.Fail
 import Control.Monad.IO.Class
 import Control.Monad.Except
+#if __GLASGOW_HASKELL__ >= 806
+import Control.Monad.Fail
+#endif
 import Control.Monad.Trans.Reader (ReaderT, runReaderT)
 import qualified Control.Monad.Trans.Reader as Reader (ask)
 import Control.Monad.Trans.State (StateT, runStateT)
@@ -71,16 +74,18 @@ import System.IO
 
 type Session = ParserStateReader FromServerMessage SessionState SessionContext IO
 
+#if __GLASGOW_HASKELL__ >= 806
 instance MonadFail Session where
   fail s = do
     lastMsg <- fromJust . lastReceivedMessage <$> get
     liftIO $ throw (UnexpectedMessage s lastMsg)
+#endif
 
 -- | Stuff you can configure for a 'Session'.
 data SessionConfig = SessionConfig
   { messageTimeout :: Int  -- ^ Maximum time to wait for a message in seconds, defaults to 60.
   , logStdErr      :: Bool -- ^ Redirect the server's stderr to this stdout, defaults to False.
-  , logMessages    :: Bool -- ^ Trace the messages sent and received to stdout, defaults to True.
+  , logMessages    :: Bool -- ^ Trace the messages sent and received to stdout, defaults to False.
   , logColor       :: Bool -- ^ Add ANSI color to the logged messages, defaults to True.
   , lspConfig      :: Maybe Value -- ^ The initial LSP config as JSON value, defaults to Nothing.
   }