X-Git-Url: http://git.lukelau.me/?a=blobdiff_plain;f=src%2FLanguage%2FHaskell%2FLSP%2FTest.hs;h=60f13b1be25bdfe867e1d815fdb7668ae5a65630;hb=776b8e1a475e2150797d432f0c13ccf685b1cd4b;hp=bc1faa1b7976cfca975a8f72754a07318ca490cf;hpb=b0865d289f761343190dbe6c9969539f17e2d72a;p=opengl.git

diff --git a/src/Language/Haskell/LSP/Test.hs b/src/Language/Haskell/LSP/Test.hs
index bc1faa1..60f13b1 100644
--- a/src/Language/Haskell/LSP/Test.hs
+++ b/src/Language/Haskell/LSP/Test.hs
@@ -9,7 +9,9 @@
 -- Maintainer  : luke_lau@icloud.com
 -- Stability   : experimental
 --
--- A framework for testing <https://github.com/Microsoft/language-server-protocol Language Server Protocol servers> at the JSON level.
+-- A framework for testing
+-- <https://github.com/Microsoft/language-server-protocol Language Server Protocol servers>
+-- functionally.
 
 module Language.Haskell.LSP.Test
   (
@@ -44,6 +46,7 @@ module Language.Haskell.LSP.Test
   , initializeResponse
   -- ** Documents
   , openDoc
+  , closeDoc
   , documentContents
   , getDocumentEdit
   , getDocUri
@@ -52,6 +55,7 @@ module Language.Haskell.LSP.Test
   , getDocumentSymbols
   -- ** Diagnostics
   , waitForDiagnostics
+  , waitForDiagnosticsSource
   , noDiagnostics
   -- ** Commands
   , executeCommand
@@ -62,6 +66,17 @@ module Language.Haskell.LSP.Test
   , getCompletions
   -- ** References
   , getReferences
+  -- ** Definitions
+  , getDefinitions
+  -- ** Renaming
+  , rename
+  -- ** Hover
+  , getHover
+  -- ** Highlights
+  , getHighlights
+  -- ** Formatting
+  , formatDoc
+  , formatRange
   -- ** Edits
   , applyEdit
   ) where
@@ -294,6 +309,17 @@ openDoc file languageId = do
     contents <- liftIO $ T.readFile fp
     return $ TextDocumentItem (filePathToUri fp) (T.pack languageId) 0 contents
 
+-- | Closes a text document and sends a notification to the client.
+closeDoc :: TextDocumentIdentifier -> Session ()
+closeDoc docId = do
+  let params = DidCloseTextDocumentParams (TextDocumentIdentifier (docId ^. uri))
+  sendNotification TextDocumentDidClose params
+
+  oldVfs <- vfs <$> get
+  let notif = NotificationMessage "" TextDocumentDidClose params
+  newVfs <- liftIO $ closeVFS oldVfs notif
+  modify $ \s -> s { vfs = newVfs }
+
 -- | Gets the Uri for the file corrected to the session directory.
 getDocUri :: FilePath -> Session Uri
 getDocUri file = do
@@ -308,6 +334,17 @@ waitForDiagnostics = do
   let (List diags) = diagsNot ^. params . LSP.diagnostics
   return diags
 
+waitForDiagnosticsSource :: String -> Session [Diagnostic]
+waitForDiagnosticsSource src = do
+  diags <- waitForDiagnostics
+  let res = filter matches diags
+  if null res
+    then waitForDiagnosticsSource src
+    else return res
+  where
+    matches :: Diagnostic -> Bool
+    matches d = d ^. source == Just (T.pack src)
+
 -- | Expects a 'PublishDiagnosticsNotification' and throws an
 -- 'UnexpectedDiagnosticsException' if there are any diagnostics
 -- returned.
@@ -410,15 +447,73 @@ getCompletions :: TextDocumentIdentifier -> Position -> Session [CompletionItem]
 getCompletions doc pos = do
   rsp <- sendRequest TextDocumentCompletion (TextDocumentPositionParams doc pos)
 
-  let exc = throw $ UnexpectedResponseError (rsp ^. LSP.id)
-                                            (fromJust $ rsp ^. LSP.error)
-      res = fromMaybe exc (rsp ^. result)
-  case res of
+  case getResponseResult rsp of
     Completions (List items) -> return items
     CompletionList (CompletionListType _ (List items)) -> return items
 
-getReferences :: TextDocumentIdentifier -> Position -> Bool -> Session [Location]
+-- | Returns the references for the position in the document.
+getReferences :: TextDocumentIdentifier -- ^ The document to lookup in.
+              -> Position -- ^ The position to lookup. 
+              -> Bool -- ^ Whether to include declarations as references.
+              -> Session [Location] -- ^ The locations of the references.
 getReferences doc pos inclDecl =
   let ctx = ReferenceContext inclDecl
       params = ReferenceParams doc pos ctx
-  in fromMaybe [] . (^. result) <$> sendRequest TextDocumentReferences params 
+  in getResponseResult <$> sendRequest TextDocumentReferences params 
+
+-- | Returns the definition(s) for the term at the specified position.
+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 =
+  let params = TextDocumentPositionParams doc pos
+  in getResponseResult <$> sendRequest TextDocumentDefinition params
+
+-- ^ Renames the term at the specified position.
+rename :: TextDocumentIdentifier -> Position -> String -> Session ()
+rename doc pos newName = do
+  let params = RenameParams doc pos (T.pack newName)
+  rsp <- sendRequest TextDocumentRename params :: Session RenameResponse
+  let wEdit = getResponseResult rsp
+      req = RequestMessage "" (IdInt 0) WorkspaceApplyEdit (ApplyWorkspaceEditParams wEdit)
+  updateState (ReqApplyWorkspaceEdit req)
+
+-- | Returns the hover information at the specified position.
+getHover :: TextDocumentIdentifier -> Position -> Session (Maybe Hover)
+getHover doc pos =
+  let params = TextDocumentPositionParams doc pos
+  in getResponseResult <$> sendRequest TextDocumentHover params
+
+-- | Returns the highlighted occurences of the term at the specified position
+getHighlights :: TextDocumentIdentifier -> Position -> Session [DocumentHighlight]
+getHighlights doc pos =
+  let params = TextDocumentPositionParams doc pos
+  in getResponseResult <$> sendRequest TextDocumentDocumentHighlight params
+
+-- | Checks the response for errors and throws an exception if needed.
+-- Returns the result if successful.
+getResponseResult :: ResponseMessage a -> a 
+getResponseResult rsp = fromMaybe exc (rsp ^. result)
+  where exc = throw $ UnexpectedResponseError (rsp ^. LSP.id)
+                                              (fromJust $ rsp ^. LSP.error)
+
+-- | Applies formatting to the specified document.
+formatDoc :: TextDocumentIdentifier -> FormattingOptions -> Session ()
+formatDoc doc opts = do
+  let params = DocumentFormattingParams doc opts
+  edits <- getResponseResult <$> sendRequest TextDocumentFormatting params
+  applyTextEdits doc edits
+
+-- | Applies formatting to the specified range in a document.
+formatRange :: TextDocumentIdentifier -> FormattingOptions -> Range -> Session ()
+formatRange doc opts range = do
+  let params = DocumentRangeFormattingParams doc range opts
+  edits <- getResponseResult <$> sendRequest TextDocumentRangeFormatting params
+  applyTextEdits doc edits
+
+applyTextEdits :: TextDocumentIdentifier -> List TextEdit -> Session ()
+applyTextEdits doc edits =
+  let wEdit = WorkspaceEdit (Just (HashMap.singleton (doc ^. uri) edits)) Nothing
+      req = RequestMessage "" (IdInt 0) WorkspaceApplyEdit (ApplyWorkspaceEditParams wEdit)
+  in updateState (ReqApplyWorkspaceEdit req)
+