{-# LANGUAGE MultiParamTypeClasses #-}
+{-# LANGUAGE TypeOperators #-}
{-# LANGUAGE ScopedTypeVariables #-}
+{-# LANGUAGE PolyKinds #-}
+{-# LANGUAGE KindSignatures #-}
+{-# LANGUAGE DataKinds #-}
+{-# LANGUAGE GADTs #-}
+{-# LANGUAGE LambdaCase #-}
{-# LANGUAGE RankNTypes #-}
{-# LANGUAGE OverloadedStrings #-}
module Language.Haskell.LSP.Test.Parsing
( -- $receiving
satisfy
+ , satisfyMaybe
, message
, anyRequest
, anyResponse
import Control.Lens
import Control.Monad.IO.Class
import Control.Monad
-import Data.Aeson
-import qualified Data.ByteString.Lazy.Char8 as B
-import Data.Conduit.Parser
+import Data.Conduit.Parser hiding (named)
+import qualified Data.Conduit.Parser (named)
+import Data.GADT.Compare
import qualified Data.Text as T
import Data.Typeable
-import Language.Haskell.LSP.Messages
import Language.Haskell.LSP.Types
-import qualified Language.Haskell.LSP.Types.Lens as LSP
-import Language.Haskell.LSP.Test.Messages
import Language.Haskell.LSP.Test.Session
-- $receiving
--- To receive a message, just specify the type that expect:
+-- To receive a message, specify the method of the message to expect:
--
-- @
--- msg1 <- message :: Session ApplyWorkspaceEditRequest
--- msg2 <- message :: Session HoverResponse
+-- msg1 <- message SWorkspaceApplyEdit
+-- msg2 <- message STextDocumentHover
-- @
--
-- 'Language.Haskell.LSP.Test.Session' is actually just a parser
-- For example, if you wanted to match either a definition or
-- references request:
--
--- > defOrImpl = (message :: Session DefinitionRequest)
--- > <|> (message :: Session ReferencesRequest)
+-- > defOrImpl = message STextDocumentDefinition
+-- > <|> message STextDocumentReferences
--
-- If you wanted to match any number of telemetry
-- notifications immediately followed by a response:
--
-- @
-- logThenDiags =
--- skipManyTill (message :: Session TelemetryNotification)
+-- skipManyTill (message STelemetryEvent)
-- anyResponse
-- @
--
-- @since 0.6.1.0
satisfyMaybe :: (FromServerMessage -> Maybe a) -> Session a
-satisfyMaybe pred = do
+satisfyMaybe pred = satisfyMaybeM (pure . pred)
+
+satisfyMaybeM :: (FromServerMessage -> Session (Maybe a)) -> Session a
+satisfyMaybeM pred = do
skipTimeout <- overridingTimeout <$> get
- timeoutId <- curTimeoutId <$> get
+ timeoutId <- getCurTimeoutId
unless skipTimeout $ do
chan <- asks messageChan
timeout <- asks (messageTimeout . config)
x <- Session await
- unless skipTimeout $
- modify $ \s -> s { curTimeoutId = timeoutId + 1 }
+ unless skipTimeout (bumpTimeoutId timeoutId)
modify $ \s -> s { lastReceivedMessage = Just x }
- case pred x of
+ res <- pred x
+
+ case res of
Just a -> do
logMsg LogServer x
return a
Nothing -> empty
--- | Matches a message of type @a@.
-message :: forall a. (Typeable a, FromJSON a) => Session a
-message =
- let parser = decode . encodeMsg :: FromServerMessage -> Maybe a
- in satisfyMaybe parser
+named :: T.Text -> Session a -> Session a
+named s (Session x) = Session (Data.Conduit.Parser.named s x)
+
+mEq :: SServerMethod m1 -> SServerMethod m2 -> Maybe (m1 :~~: m2)
+mEq m1 m2 = case (splitServerMethod m1, splitServerMethod m2) of
+ (IsServerNot, IsServerNot) -> do
+ Refl <- geq m1 m2
+ pure HRefl
+ (IsServerReq, IsServerReq) -> do
+ Refl <- geq m1 m2
+ pure HRefl
+ _ -> Nothing
+
+mEqClient :: SClientMethod m1 -> SClientMethod m2 -> Maybe (m1 :~~: m2)
+mEqClient m1 m2 = case (splitClientMethod m1, splitClientMethod m2) of
+ (IsClientNot, IsClientNot) -> do
+ Refl <- geq m1 m2
+ pure HRefl
+ (IsClientReq, IsClientReq) -> do
+ Refl <- geq m1 m2
+ pure HRefl
+ _ -> Nothing
+
+message :: SServerMethod m -> Session (ServerMessage m)
+message m1 = named (T.pack $ show m1) $ satisfyMaybe $ \case
+ FromServerMess m2 msg -> do
+ HRefl <- mEq m1 m2
+ pure msg
+ _ -> Nothing
-- | Matches if the message is a notification.
anyNotification :: Session FromServerMessage
-anyNotification = satisfy isServerNotification
+anyNotification = named "Any notification" $ satisfy $ \case
+ FromServerMess m _ -> case splitServerMethod m of
+ IsServerNot -> True
+ _ -> False
+ FromServerRsp _ _ -> False
-- | Matches if the message is a request.
anyRequest :: Session FromServerMessage
-anyRequest = satisfy isServerRequest
+anyRequest = named "Any request" $ satisfy $ \case
+ FromServerMess m _ -> case splitServerMethod m of
+ IsServerReq -> True
+ _ -> False
+ FromServerRsp _ _ -> False
-- | Matches if the message is a response.
anyResponse :: Session FromServerMessage
-anyResponse = satisfy isServerResponse
+anyResponse = named "Any response" $ satisfy $ \case
+ FromServerMess _ _ -> False
+ FromServerRsp _ _ -> True
-- | Matches a response for a specific id.
-responseForId :: forall a. FromJSON a => LspId -> Session (ResponseMessage a)
-responseForId lid = do
- let parser = decode . encodeMsg :: FromServerMessage -> Maybe (ResponseMessage a)
+responseForId :: SMethod (m :: Method FromClient Request) -> LspId m -> Session (ResponseMessage m)
+responseForId m lid = named (T.pack $ "Response for id: " ++ show lid) $ do
satisfyMaybe $ \msg -> do
- z <- parser msg
- guard (z ^. LSP.id == responseId lid)
- pure z
+ case msg of
+ FromServerMess _ _ -> Nothing
+ FromServerRsp m' rspMsg@(ResponseMessage _ lid' _) ->
+ case mEqClient m m' of
+ Just HRefl -> do
+ guard (lid' == Just lid)
+ pure rspMsg
+ Nothing -> empty
-- | Matches any type of message.
anyMessage :: Session FromServerMessage
anyMessage = satisfy (const True)
--- | A version of encode that encodes FromServerMessages as if they
--- weren't wrapped.
-encodeMsg :: FromServerMessage -> B.ByteString
-encodeMsg = encode . genericToJSON (defaultOptions { sumEncoding = UntaggedValue })
-
-- | Matches if the message is a log message notification or a show message notification/request.
loggingNotification :: Session FromServerMessage
-loggingNotification = satisfy shouldSkip
+loggingNotification = named "Logging notification" $ satisfy shouldSkip
where
- shouldSkip (NotLogMessage _) = True
- shouldSkip (NotShowMessage _) = True
- shouldSkip (ReqShowMessage _) = True
+ shouldSkip (FromServerMess SWindowLogMessage _) = True
+ shouldSkip (FromServerMess SWindowShowMessage _) = True
+ shouldSkip (FromServerMess SWindowShowMessageRequest _) = True
shouldSkip _ = False
-- | Matches a 'Language.Haskell.LSP.Test.PublishDiagnosticsNotification'
-- (textDocument/publishDiagnostics) notification.
publishDiagnosticsNotification :: Session PublishDiagnosticsNotification
-publishDiagnosticsNotification = satisfyMaybe $
- \msg -> case msg of
- NotPublishDiagnostics diags -> Just diags
+publishDiagnosticsNotification = named "Publish diagnostics notification" $
+ satisfyMaybe $ \msg -> case msg of
+ FromServerMess STextDocumentPublishDiagnostics diags -> Just diags
_ -> Nothing