X-Git-Url: https://git.lukelau.me/?a=blobdiff_plain;f=src%2FLanguage%2FHaskell%2FLSP%2FTest%2FDecoding.hs;h=5e1846634638867dc6f2a18333d8dfcff9972592;hb=f2862c89be8f545d0cda5890dce58d31c15127f6;hp=4e871155aff4dece1318d6b25c1b851b6ecca0c5;hpb=208679fa3a42e2a81bc778218bab6376bd6f42d1;p=lsp-test.git diff --git a/src/Language/Haskell/LSP/Test/Decoding.hs b/src/Language/Haskell/LSP/Test/Decoding.hs index 4e87115..5e18466 100644 --- a/src/Language/Haskell/LSP/Test/Decoding.hs +++ b/src/Language/Haskell/LSP/Test/Decoding.hs @@ -1,16 +1,29 @@ {-# LANGUAGE OverloadedStrings #-} +{-# LANGUAGE TupleSections #-} +{-# LANGUAGE GADTs #-} +{-# LANGUAGE PolyKinds #-} +{-# LANGUAGE KindSignatures #-} +{-# LANGUAGE DataKinds #-} module Language.Haskell.LSP.Test.Decoding where import Prelude hiding ( id ) import Data.Aeson +import Data.Aeson.Types +import Data.Foldable +import Data.Functor.Product +import Data.Functor.Const +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 - hiding ( error ) -import Language.Haskell.LSP.Messages -import qualified Data.HashMap.Strict as HM +import Language.Haskell.LSP.Types.Lens +import Language.Haskell.LSP.Test.Exceptions + +import Data.IxMap +import Data.Kind getAllMessages :: Handle -> IO [B.ByteString] getAllMessages h = do @@ -28,7 +41,7 @@ getNextMessage :: Handle -> IO B.ByteString getNextMessage h = do headers <- getHeaders h case read . init <$> lookup "Content-Length" headers of - Nothing -> error "Couldn't read Content-Length header" + Nothing -> throw NoContentLengthHeader Just size -> B.hGet h size addHeader :: B.ByteString -> B.ByteString @@ -42,90 +55,51 @@ addHeader content = B.concat getHeaders :: Handle -> IO [(String, String)] getHeaders h = do - l <- hGetLine h + l <- catch (hGetLine h) eofHandler let (name, val) = span (/= ':') l if null val then return [] else ((name, drop 2 val) :) <$> getHeaders h + where eofHandler e + | isEOFError e = throw UnexpectedServerTermination + | otherwise = throw e + +type RequestMap = IxMap LspId (SMethod :: Method FromClient Request -> Type ) + +newRequestMap :: RequestMap +newRequestMap = emptyIxMap -type RequestMap = HM.HashMap LspId FromClientMessage +updateRequestMap :: RequestMap -> LspId m -> SClientMethod m -> Maybe RequestMap +updateRequestMap reqMap id method = insertIxMap id method reqMap getRequestMap :: [FromClientMessage] -> RequestMap -getRequestMap = foldl helper HM.empty +getRequestMap = foldl' helper emptyIxMap where + helper :: RequestMap -> FromClientMessage -> RequestMap helper acc msg = case msg of - (ReqInitialize val) -> insert val msg acc - (ReqShutdown val) -> insert val msg acc - (ReqHover val) -> insert val msg acc - (ReqCompletion val) -> insert val msg acc - (ReqCompletionItemResolve val) -> insert val msg acc - (ReqSignatureHelp val) -> insert val msg acc - (ReqDefinition val) -> insert val msg acc - (ReqFindReferences val) -> insert val msg acc - (ReqDocumentHighlights val) -> insert val msg acc - (ReqDocumentSymbols val) -> insert val msg acc - (ReqWorkspaceSymbols val) -> insert val msg acc - (ReqCodeAction val) -> insert val msg acc - (ReqCodeLens val) -> insert val msg acc - (ReqCodeLensResolve val) -> insert val msg acc - (ReqDocumentFormatting val) -> insert val msg acc - (ReqDocumentRangeFormatting val) -> insert val msg acc - (ReqDocumentOnTypeFormatting val) -> insert val msg acc - (ReqRename val) -> insert val msg acc - (ReqExecuteCommand val) -> insert val msg acc - (ReqDocumentLink val) -> insert val msg acc - (ReqDocumentLinkResolve val) -> insert val msg acc - (ReqWillSaveWaitUntil val) -> insert val msg acc + FromClientMess m mess -> case splitClientMethod m of + IsClientNot -> acc + IsClientReq -> fromJust $ updateRequestMap acc (mess ^. id) m + IsClientEither -> case mess of + NotMess _ -> acc + ReqMess msg -> fromJust $ updateRequestMap acc (msg ^. id) m _ -> acc - insert m = HM.insert (m ^. id) -matchResponseMsgType :: FromClientMessage -> B.ByteString -> FromServerMessage -matchResponseMsgType req bytes = case req of - ReqInitialize _ -> RspInitialize $ fromJust $ decode bytes - ReqShutdown _ -> RspShutdown $ fromJust $ decode bytes - ReqHover _ -> RspHover $ fromJust $ decode bytes - ReqCompletion _ -> RspCompletion $ fromJust $ decode bytes - ReqCompletionItemResolve _ -> - RspCompletionItemResolve $ fromJust $ decode bytes - ReqSignatureHelp _ -> RspSignatureHelp $ fromJust $ decode bytes - ReqDefinition _ -> RspDefinition $ fromJust $ decode bytes - ReqFindReferences _ -> RspFindReferences $ fromJust $ decode bytes - ReqDocumentHighlights _ -> RspDocumentHighlights $ fromJust $ decode bytes - ReqDocumentSymbols _ -> RspDocumentSymbols $ fromJust $ decode bytes - ReqWorkspaceSymbols _ -> RspWorkspaceSymbols $ fromJust $ decode bytes - ReqCodeAction _ -> RspCodeAction $ fromJust $ decode bytes - ReqCodeLens _ -> RspCodeLens $ fromJust $ decode bytes - ReqCodeLensResolve _ -> RspCodeLensResolve $ fromJust $ decode bytes - ReqDocumentFormatting _ -> RspDocumentFormatting $ fromJust $ decode bytes - ReqDocumentRangeFormatting _ -> - RspDocumentRangeFormatting $ fromJust $ decode bytes - ReqDocumentOnTypeFormatting _ -> - RspDocumentOnTypeFormatting $ fromJust $ decode bytes - ReqRename _ -> RspRename $ fromJust $ decode bytes - ReqExecuteCommand _ -> RspExecuteCommand $ fromJust $ decode bytes - ReqDocumentLink _ -> RspDocumentLink $ fromJust $ decode bytes - ReqDocumentLinkResolve _ -> RspDocumentLinkResolve $ fromJust $ decode bytes - ReqWillSaveWaitUntil _ -> RspWillSaveWaitUntil $ fromJust $ decode bytes - x -> error $ "Not a request: " ++ show x - -decodeFromServerMsg :: RequestMap -> B.ByteString -> FromServerMessage -decodeFromServerMsg reqMap bytes = - case HM.lookup "method" (fromJust $ decode bytes :: Object) of - Just methodStr -> case fromJSON methodStr of - Success method -> case method of - -- We can work out the type of the message - TextDocumentPublishDiagnostics -> NotPublishDiagnostics $ fromJust $ decode bytes - WindowShowMessage -> NotShowMessage $ fromJust $ decode bytes - WindowLogMessage -> NotLogMessage $ fromJust $ decode bytes - CancelRequestServer -> NotCancelRequestFromServer $ 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 +decodeFromServerMsg :: RequestMap -> B.ByteString -> (RequestMap, FromServerMessage) +decodeFromServerMsg reqMap bytes = unP $ fromJust $ parseMaybe p obj + where obj = fromJust $ decode bytes :: Value + p = parseServerMessage $ \lid -> + let (mm, newMap) = pickFromIxMap lid reqMap + in case mm of + Nothing -> Nothing + Just m -> Just $ (m, Pair m (Const newMap)) + unP (FromServerMess m msg) = (reqMap, FromServerMess m msg) + unP (FromServerRsp (Pair m (Const newMap)) msg) = (newMap, FromServerRsp m msg) + {- + WorkspaceWorkspaceFolders -> error "ReqWorkspaceFolders not supported yet" + WorkspaceConfiguration -> error "ReqWorkspaceConfiguration not supported yet" + CustomServerMethod _ + | "id" `HM.member` obj && "method" `HM.member` obj -> ReqCustomServer $ fromJust $ decode bytes + | "id" `HM.member` obj -> RspCustomServer $ fromJust $ decode bytes + | otherwise -> NotCustomServer $ fromJust $ decode bytes Error e -> error e - - Nothing -> case decode bytes :: Maybe (ResponseMessage Value) of - Just msg -> case HM.lookup (requestId $ msg ^. id) reqMap of - Just req -> matchResponseMsgType req bytes -- try to decode it to more specific type - Nothing -> error "Couldn't match up response with request" - Nothing -> error "Couldn't decode message" \ No newline at end of file + -}