, formatRange
-- ** Edits
, applyEdit
+ -- ** Code lenses
+ , getCodeLenses
) where
import Control.Applicative.Combinators
import Data.Aeson
import Data.Default
import qualified Data.HashMap.Strict as HashMap
+import Data.IORef
import qualified Data.Map as Map
import Data.Maybe
import Language.Haskell.LSP.Types
-> Session a -- ^ The session to run.
-> IO a
runSessionWithConfig config serverExe caps rootDir session = do
+ -- We use this IORef to make exception non-fatal when the server is supposed to shutdown.
+ exitOk <- newIORef False
pid <- getCurrentProcessID
absRootDir <- canonicalizePath rootDir
(Just TraceOff)
Nothing
withServer serverExe (logStdErr config) $ \serverIn serverOut _ ->
- runSessionWithHandles serverIn serverOut listenServer config caps rootDir $ do
+ runSessionWithHandles serverIn serverOut (\h c -> catchWhenTrue exitOk $ listenServer h c) config caps rootDir $ do
-- Wrap the session around initialize and shutdown calls
initRspMsg <- request Initialize initializeParams :: Session InitializeResponse
-- Run the actual test
result <- session
+ liftIO $ atomicWriteIORef exitOk True
sendNotification Exit ExitParams
return result
where
+ catchWhenTrue :: IORef Bool -> IO () -> IO ()
+ catchWhenTrue exitOk a =
+ a `catch` (\e -> do
+ x <- readIORef exitOk
+ unless x $ throw (e :: SomeException))
+
-- | Listens to the server output, makes sure it matches the record and
-- signals any semaphores
+ -- Note that on Windows, we cannot kill a thread stuck in getNextMessage.
+ -- So we have to wait for the exit notification to kill the process first
+ -- and then getNextMessage will fail.
listenServer :: Handle -> SessionContext -> IO ()
listenServer serverOut context = do
msgBytes <- getNextMessage serverOut
documentContents :: TextDocumentIdentifier -> Session T.Text
documentContents doc = do
vfs <- vfs <$> get
- let file = vfs Map.! (doc ^. uri)
+ let file = vfs Map.! toNormalizedUri (doc ^. uri)
return $ Rope.toText $ Language.Haskell.LSP.VFS._text file
-- | Parses an ApplyEditRequest, checks that it is for the passed document
-- | Returns the current diagnostics that have been sent to the client.
-- Note that this does not wait for more to come in.
getCurrentDiagnostics :: TextDocumentIdentifier -> Session [Diagnostic]
-getCurrentDiagnostics doc = fromMaybe [] . Map.lookup (doc ^. uri) . curDiagnostics <$> get
+getCurrentDiagnostics doc = fromMaybe [] . Map.lookup (toNormalizedUri $ doc ^. uri) . curDiagnostics <$> get
-- | Executes a command.
executeCommand :: Command -> Session ()
getVersionedDoc (TextDocumentIdentifier uri) = do
fs <- vfs <$> get
let ver =
- case fs Map.!? uri of
+ case fs Map.!? toNormalizedUri uri of
Just (VirtualFile v _ _) -> Just v
_ -> Nothing
return (VersionedTextDocumentIdentifier uri ver)
getDefinitions :: TextDocumentIdentifier -- ^ The document the term is in.
-> Position -- ^ The position the term is at.
-> Session [Location] -- ^ The location(s) of the definitions
-getDefinitions doc pos =
+getDefinitions doc pos = do
let params = TextDocumentPositionParams doc pos
- in getResponseResult <$> request TextDocumentDefinition params
+ rsp <- request TextDocumentDefinition params :: Session DefinitionResponse
+ case getResponseResult rsp of
+ SingleLoc loc -> pure [loc]
+ MultiLoc locs -> pure locs
-- | Returns the type definition(s) for the term at the specified position.
getTypeDefinitions :: TextDocumentIdentifier -- ^ The document the term is in.
let wEdit = WorkspaceEdit (Just (HashMap.singleton (doc ^. uri) edits)) Nothing
req = RequestMessage "" (IdInt 0) WorkspaceApplyEdit (ApplyWorkspaceEditParams wEdit)
in updateState (ReqApplyWorkspaceEdit req)
+
+-- | Returns the code lenses for the specified document.
+getCodeLenses :: TextDocumentIdentifier -> Session [CodeLens]
+getCodeLenses tId = do
+ rsp <- request TextDocumentCodeLens (CodeLensParams tId) :: Session CodeLensResponse
+ case getResponseResult rsp of
+ List res -> pure res