+instance Show SessionException where
+ show Timeout = "Timed out waiting to receive a message from the server."
+ show NoContentLengthHeader = "Couldn't read Content-Length header from the server."
+ show (UnexpectedMessage expected lastMsg) =
+ "Received an unexpected message from the server:\n" ++
+ "Was parsing: " ++ expected ++ "\n" ++
+ "Last message received: " ++ show lastMsg
+ show (ReplayOutOfOrder received expected) =
+ let expected' = nub expected
+ getJsonDiff = lines . B.unpack . encodePretty
+ showExp exp = B.unpack (encodePretty exp) ++ "\nDiff:\n" ++
+ ppDiff (getGroupedDiff (getJsonDiff received) (getJsonDiff exp))
+ in "Replay is out of order:\n" ++
+ -- Print json so its a bit easier to update the session logs
+ "Received from server:\n" ++ B.unpack (encodePretty received) ++ "\n" ++
+ "Raw from server:\n" ++ B.unpack (encode received) ++ "\n" ++
+ "Expected one of:\n" ++ unlines (map showExp expected')
+ show UnexpectedDiagnostics = "Unexpectedly received diagnostics from the server."
+ show (IncorrectApplyEditRequest msgStr) = "ApplyEditRequest didn't contain document, instead received:\n"
+ ++ msgStr
+ show (UnexpectedResponseError lid e) = "Received an exepected error in a response for id " ++ show lid ++ ":\n"
+ ++ show e
+ show UnexpectedServerTermination = "Language server unexpectedly terminated"
+
+-- | A predicate that matches on any 'SessionException'