hls-fourmolu-plugin (empty) → 1.0.0.0
raw patch · 8 files changed
+441/−0 lines, 8 filesdep +aesondep +basedep +bytestring
Dependencies added: aeson, base, bytestring, containers, data-default, extra, filepath, fourmolu, ghc, ghc-boot-th, ghcide, hls-fourmolu-plugin, hls-plugin-api, hls-test-utils, hspec-expectations, lens, lsp, lsp-test, lsp-types, text, unordered-containers
Files
- LICENSE +201/−0
- hls-fourmolu-plugin.cabal +60/−0
- src/Ide/Plugin/Fourmolu.hs +103/−0
- test/Main.hs +36/−0
- test/testdata/Format.fourmolu.formatted.hs +16/−0
- test/testdata/Format.hs +15/−0
- test/testdata/Format2.fourmolu.formatted.hs +5/−0
- test/testdata/Format2.hs +5/−0
+ LICENSE view
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+ hls-fourmolu-plugin.cabal view
@@ -0,0 +1,60 @@+cabal-version: 2.4+name: hls-fourmolu-plugin+version: 1.0.0.0+synopsis: Integration with the Fourmolu code formatter+description:+ Please see the README on GitHub at <https://github.com/haskell/haskell-language-server#readme>++license: Apache-2.0+license-file: LICENSE+author: The Haskell IDE Team+copyright: The Haskell IDE Team+maintainer: alan.zimm@gmail.com+category: Development+build-type: Simple+extra-source-files:+ LICENSE+ test/testdata/**/*.hs++library+ exposed-modules: Ide.Plugin.Fourmolu+ hs-source-dirs: src+ build-depends:+ , base >=4.12 && <5+ , extra+ , fourmolu ^>=0.3+ , filepath+ , ghc+ , ghc-boot-th+ , ghcide >=1.2 && <1.4+ , hls-plugin-api ^>=1.1+ , lens+ , lsp+ , lsp-types+ , text++ default-language: Haskell2010++test-suite tests+ type: exitcode-stdio-1.0+ default-language: Haskell2010+ hs-source-dirs: test+ main-is: Main.hs+ ghc-options: -threaded -rtsopts -with-rtsopts=-N+ build-depends:+ , base+ , bytestring+ , hls-fourmolu-plugin+ , text+ , data-default+ , hspec-expectations+ , lens+ , ghcide+ , filepath+ , hls-test-utils ^>= 1.0+ , lsp-types+ , aeson+ , hls-plugin-api+ , lsp-test+ , containers+ , unordered-containers
+ src/Ide/Plugin/Fourmolu.hs view
@@ -0,0 +1,103 @@+{-# LANGUAGE DisambiguateRecordFields #-}+{-# LANGUAGE LambdaCase #-}+{-# LANGUAGE OverloadedStrings #-}+{-# LANGUAGE PackageImports #-}+{-# LANGUAGE TypeApplications #-}++module Ide.Plugin.Fourmolu (+ descriptor,+ provider,+) where++import Control.Exception+import Data.Either.Extra+import System.FilePath++import Control.Lens ((^.))+import qualified Data.Text as T+import Development.IDE as D hiding (pluginHandlers)+import qualified DynFlags as D+import qualified EnumSet as S+import GHC (DynFlags, moduleNameString)+import GHC.LanguageExtensions.Type (Extension (Cpp))+import GhcPlugins (HscEnv (hsc_dflags))+import Ide.PluginUtils (makeDiffTextEdit)++import Control.Monad.IO.Class+import Ide.Types+import Language.LSP.Server hiding (defaultConfig)+import Language.LSP.Types+import Language.LSP.Types.Lens+import "fourmolu" Ormolu++-- ---------------------------------------------------------------------++descriptor :: PluginId -> PluginDescriptor IdeState+descriptor plId =+ (defaultPluginDescriptor plId)+ { pluginHandlers = mkFormattingHandlers provider+ }++-- ---------------------------------------------------------------------++provider :: FormattingHandler IdeState+provider ideState typ contents fp fo = withIndefiniteProgress title Cancellable $ do+ ghc <- liftIO $ runAction "Fourmolu" ideState $ use GhcSession fp+ fileOpts <- case hsc_dflags . hscEnv <$> ghc of+ Nothing -> return []+ Just df -> liftIO $ convertDynFlags df++ let format printerOpts =+ mapLeft (responseError . ("Fourmolu: " <>) . T.pack . show)+ <$> try @OrmoluException (makeDiffTextEdit contents <$> ormolu config fp' (T.unpack contents))+ where+ config =+ defaultConfig+ { cfgDynOptions = fileOpts+ , cfgRegion = region+ , cfgDebug = True+ , cfgPrinterOpts =+ fillMissingPrinterOpts+ (printerOpts <> lspPrinterOpts)+ defaultPrinterOpts+ }++ liftIO (loadConfigFile fp') >>= \case+ ConfigLoaded file opts -> liftIO $ do+ putStrLn $ "Loaded Fourmolu config from: " <> file+ format opts+ ConfigNotFound searchDirs -> liftIO $ do+ putStrLn+ . unlines+ $ ("No " ++ show configFileName ++ " found in any of:") :+ map (" " ++) searchDirs+ format mempty+ ConfigParseError f (_, err) -> do+ sendNotification SWindowShowMessage $+ ShowMessageParams+ { _xtype = MtError+ , _message = errorMessage+ }+ return . Left $ responseError errorMessage+ where+ errorMessage = "Failed to load " <> T.pack f <> ": " <> T.pack err+ where+ fp' = fromNormalizedFilePath fp+ title = "Formatting " <> T.pack (takeFileName fp')+ lspPrinterOpts = mempty{poIndentation = Just $ fo ^. tabSize}+ region = case typ of+ FormatText ->+ RegionIndices Nothing Nothing+ FormatRange (Range (Position sl _) (Position el _)) ->+ RegionIndices (Just $ sl + 1) (Just $ el + 1)++convertDynFlags :: DynFlags -> IO [DynOption]+convertDynFlags df =+ let pp = ["-pgmF=" <> p | not (null p)]+ p = D.sPgm_F $ D.settings df+ pm = map (("-fplugin=" <>) . moduleNameString) $ D.pluginModNames df+ ex = map showExtension $ S.toList $ D.extensionFlags df+ showExtension = \case+ Cpp -> "-XCPP"+ x -> "-X" ++ show x+ in return $ map DynOption $ pp <> pm <> ex
+ test/Main.hs view
@@ -0,0 +1,36 @@+{-# LANGUAGE OverloadedStrings #-}+module Main(main) where++import Control.Monad.IO.Class+import Data.Aeson+import qualified Data.ByteString.Lazy as BS+import qualified Data.Text.Encoding as T+import qualified Data.Text.IO as T+import Language.LSP.Test+import Language.LSP.Types+import Test.Hls+import qualified Ide.Plugin.Fourmolu as Fourmolu+import System.FilePath++main :: IO ()+main = defaultTestRunner tests++plugin :: PluginDescriptor IdeState+plugin = Fourmolu.descriptor "fourmolu"++testDataDir :: FilePath+testDataDir = "test/testdata/"++tests :: TestTree+tests = testGroup "fourmolu"+ [ goldenGitDiff "formats correctly" (testDataDir </> "Format.fourmolu.formatted.hs") $+ runSessionWithServerFormatter plugin "fourmolu" testDataDir $ do+ doc <- openDoc "Format.hs" "haskell"+ formatDoc doc (FormattingOptions 4 True Nothing Nothing Nothing)+ BS.fromStrict . T.encodeUtf8 <$> documentContents doc+ , goldenGitDiff "formats imports correctly" (testDataDir </> "Format2.fourmolu.formatted.hs") $+ runSessionWithServerFormatter plugin "fourmolu" testDataDir $ do+ doc <- openDoc "Format2.hs" "haskell"+ formatDoc doc (FormattingOptions 4 True Nothing Nothing Nothing)+ BS.fromStrict . T.encodeUtf8 <$> documentContents doc+ ]
+ test/testdata/Format.fourmolu.formatted.hs view
@@ -0,0 +1,16 @@+module Format where++import Data.List++import Data.Int+import Prelude++foo :: Int -> Int+foo 3 = 2+foo x = x+bar :: String -> IO String+bar s = do+ x <- return "hello"+ return "asdf"++data Baz = Baz {a :: Int, b :: String}
+ test/testdata/Format.hs view
@@ -0,0 +1,15 @@+module Format where+import Data.List++import Prelude+import Data.Int+foo :: Int -> Int+foo 3 = 2+foo x = x+bar :: String -> IO String+bar s = do+ x <- return "hello"+ return "asdf"++data Baz = Baz { a :: Int, b :: String }+
+ test/testdata/Format2.fourmolu.formatted.hs view
@@ -0,0 +1,5 @@+import Data.Bool+import Data.Char+import Data.Data+import Data.Either+import Data.Int
+ test/testdata/Format2.hs view
@@ -0,0 +1,5 @@+import Data.Char+import Data.Either+import Data.Int+import Data.Data+import Data.Bool