import Prelude hiding ( id )
import Data.Aeson
+import Control.Exception
import Control.Lens
import qualified Data.ByteString.Lazy.Char8 as B
import Data.Maybe
import System.IO
+import System.IO.Error
import Language.Haskell.LSP.Types
+import Language.Haskell.LSP.Types.Lens
hiding ( error )
import Language.Haskell.LSP.Messages
+import Language.Haskell.LSP.Test.Exceptions
import qualified Data.HashMap.Strict as HM
getAllMessages :: Handle -> IO [B.ByteString]
getHeaders :: Handle -> IO [(String, String)]
getHeaders h = do
- l <- hGetLine h
+ l <- catch (hGetLine h) eofHandler
let (name, val) = span (/= ':') l
if null val then return [] else ((name, drop 2 val) :) <$> getHeaders h
+ where eofHandler e
+ | isEOFError e = throw UnexpectedServerTermination
+ | otherwise = throw e
type RequestMap = HM.HashMap LspId ClientMethod
newRequestMap :: RequestMap
newRequestMap = HM.empty
-updateRequestMap :: RequestMap -> RequestMessage ClientMethod a b -> RequestMap
-updateRequestMap reqMap msg = HM.insert (msg ^. id) (msg ^. method) reqMap
+updateRequestMap :: RequestMap -> LspId -> ClientMethod -> RequestMap
+updateRequestMap reqMap id method = HM.insert id method reqMap
getRequestMap :: [FromClientMessage] -> RequestMap
getRequestMap = foldl helper HM.empty
(ReqCompletionItemResolve val) -> insert val acc
(ReqSignatureHelp val) -> insert val acc
(ReqDefinition val) -> insert val acc
+ (ReqTypeDefinition val) -> insert val acc
(ReqFindReferences val) -> insert val acc
(ReqDocumentHighlights val) -> insert val acc
(ReqDocumentSymbols val) -> insert val acc
insert m = HM.insert (m ^. id) (m ^. method)
matchResponseMsgType :: ClientMethod -> B.ByteString -> FromServerMessage
-matchResponseMsgType req bytes = case req of
- Initialize -> RspInitialize $ fromJust $ decode bytes
- Shutdown -> RspShutdown $ fromJust $ decode bytes
- TextDocumentHover -> RspHover $ fromJust $ decode bytes
- TextDocumentCompletion -> RspCompletion $ fromJust $ decode bytes
- CompletionItemResolve -> RspCompletionItemResolve $ fromJust $ decode bytes
- TextDocumentSignatureHelp -> RspSignatureHelp $ fromJust $ decode bytes
- TextDocumentDefinition -> RspDefinition $ fromJust $ decode bytes
- TextDocumentReferences -> RspFindReferences $ fromJust $ decode bytes
- TextDocumentDocumentHighlight -> RspDocumentHighlights $ fromJust $ decode bytes
- TextDocumentDocumentSymbol -> RspDocumentSymbols $ fromJust $ decode bytes
- WorkspaceSymbol -> RspWorkspaceSymbols $ fromJust $ decode bytes
- TextDocumentCodeAction -> RspCodeAction $ fromJust $ decode bytes
- TextDocumentCodeLens -> RspCodeLens $ fromJust $ decode bytes
- CodeLensResolve -> RspCodeLensResolve $ fromJust $ decode bytes
- TextDocumentFormatting -> RspDocumentFormatting $ fromJust $ decode bytes
- TextDocumentRangeFormatting -> RspDocumentRangeFormatting $ fromJust $ decode bytes
- TextDocumentOnTypeFormatting -> RspDocumentOnTypeFormatting $ fromJust $ decode bytes
- TextDocumentRename -> RspRename $ fromJust $ decode bytes
- WorkspaceExecuteCommand -> RspExecuteCommand $ fromJust $ decode bytes
- TextDocumentDocumentLink -> RspDocumentLink $ fromJust $ decode bytes
- DocumentLinkResolve -> RspDocumentLinkResolve $ fromJust $ decode bytes
- TextDocumentWillSaveWaitUntil -> RspWillSaveWaitUntil $ fromJust $ decode bytes
- x -> error $ "Not a request: " ++ show x
+matchResponseMsgType req = case req of
+ Initialize -> RspInitialize . decoded
+ Shutdown -> RspShutdown . decoded
+ TextDocumentHover -> RspHover . decoded
+ TextDocumentCompletion -> RspCompletion . decoded
+ CompletionItemResolve -> RspCompletionItemResolve . decoded
+ TextDocumentSignatureHelp -> RspSignatureHelp . decoded
+ TextDocumentDefinition -> RspDefinition . decoded
+ TextDocumentTypeDefinition -> RspTypeDefinition . decoded
+ TextDocumentReferences -> RspFindReferences . decoded
+ TextDocumentDocumentHighlight -> RspDocumentHighlights . decoded
+ TextDocumentDocumentSymbol -> RspDocumentSymbols . decoded
+ WorkspaceSymbol -> RspWorkspaceSymbols . decoded
+ TextDocumentCodeAction -> RspCodeAction . decoded
+ TextDocumentCodeLens -> RspCodeLens . decoded
+ CodeLensResolve -> RspCodeLensResolve . decoded
+ TextDocumentFormatting -> RspDocumentFormatting . decoded
+ TextDocumentRangeFormatting -> RspDocumentRangeFormatting . decoded
+ TextDocumentOnTypeFormatting -> RspDocumentOnTypeFormatting . decoded
+ TextDocumentRename -> RspRename . decoded
+ WorkspaceExecuteCommand -> RspExecuteCommand . decoded
+ TextDocumentDocumentLink -> RspDocumentLink . decoded
+ DocumentLinkResolve -> RspDocumentLinkResolve . decoded
+ TextDocumentWillSaveWaitUntil -> RspWillSaveWaitUntil . decoded
+ x -> error . ((show x ++ " is not a request: ") ++) . show
+ where decoded x = fromMaybe (error $ "Couldn't decode response for the request type: "
+ ++ show req ++ "\n" ++ show x)
+ (decode x)
decodeFromServerMsg :: RequestMap -> B.ByteString -> FromServerMessage
decodeFromServerMsg reqMap bytes =
WindowShowMessage -> NotShowMessage $ fromJust $ decode bytes
WindowLogMessage -> NotLogMessage $ fromJust $ decode bytes
CancelRequestServer -> NotCancelRequestFromServer $ fromJust $ decode bytes
+ WindowProgressStart -> NotProgressStart $ fromJust $ decode bytes
+ WindowProgressReport -> NotProgressReport $ fromJust $ decode bytes
+ WindowProgressDone -> NotProgressDone $ fromJust $ decode bytes
TelemetryEvent -> NotTelemetry $ fromJust $ decode bytes
WindowShowMessageRequest -> ReqShowMessage $ fromJust $ decode bytes
ClientRegisterCapability -> ReqRegisterCapability $ fromJust $ decode bytes
ClientUnregisterCapability -> ReqUnregisterCapability $ fromJust $ decode bytes
WorkspaceApplyEdit -> ReqApplyWorkspaceEdit $ fromJust $ decode bytes
+ WorkspaceWorkspaceFolders -> error "ReqWorkspaceFolders not supported yet"
+ WorkspaceConfiguration -> error "ReqWorkspaceConfiguration not supported yet"
Error e -> error e