1 module Language.Haskell.LSP.Test.Exceptions where
3 import Control.Exception
4 import Language.Haskell.LSP.Messages
5 import Language.Haskell.LSP.Types
7 import qualified Data.ByteString.Lazy.Char8 as B
9 data SessionException = Timeout
10 | UnexpectedMessage String FromServerMessage
11 | ReplayOutOfOrder FromServerMessage [FromServerMessage]
12 | UnexpectedDiagnostics
13 | IncorrectApplyEditRequest String
14 | UnexpectedResponseError LspIdRsp ResponseError
17 instance Exception SessionException
19 instance Show SessionException where
20 show Timeout = "Timed out waiting to receive a message from the server."
21 show (UnexpectedMessage expected lastMsg) =
22 "Received an unexpected message from the server:\n" ++
23 "Was parsing: " ++ expected ++ "\n" ++
24 "Last message received: " ++ show lastMsg
25 show (ReplayOutOfOrder received expected) =
26 "Replay is out of order:\n" ++
27 -- Print json so its a bit easier to update the session logs
28 "Received from server:\n" ++ B.unpack (encode received) ++ "\n" ++
29 "Expected one of:\n" ++ unlines (map (B.unpack . encode) expected)
30 show UnexpectedDiagnostics = "Unexpectedly received diagnostics from the server."
31 show (IncorrectApplyEditRequest msgStr) = "ApplyEditRequest didn't contain document, instead received:\n"
33 show (UnexpectedResponseError lid e) = "Received an exepected error in a response for id " ++ show lid ++ ":\n"
36 anySessionException :: SessionException -> Bool
37 anySessionException = const True