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jneirajneira
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Merge pull request #379 from jneira/hls-plugin-api
2 parents c457699 + af69f89 commit ec82770

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‎cabal.project

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packages:
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./
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ghcide
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hls-plugin-api
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source-repository-package
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type: git

‎exe/Main.hs

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-- Copyright (c) 2019 The DAML Authors. All rights reserved.
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-- SPDX-License-Identifier: Apache-2.0
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{-# LANGUAGE CPP #-} -- To get precise GHC version
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{-# LANGUAGE TemplateHaskell #-}
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{-# OPTIONS_GHC -Wno-dodgy-imports #-} -- GHC no longer exports def in GHC 8.6 and above
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{-# LANGUAGE DeriveGeneric #-}
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{-# LANGUAGE LambdaCase #-}
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{-# LANGUAGE NamedFieldPuns #-}
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{-# LANGUAGE CPP #-}
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{-# LANGUAGE OverloadedStrings #-}
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{-# LANGUAGE RecordWildCards #-}
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{-# LANGUAGE ScopedTypeVariables #-}
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{-# LANGUAGE TupleSections #-}
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{-# LANGUAGE TypeFamilies #-}
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{-# LANGUAGE ViewPatterns #-}
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module Main(main) where
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import Arguments
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import Control.Concurrent.Extra
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import Control.Monad.Extra
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import Data.Default
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import qualified Data.HashSet as HashSet
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import Data.List.Extra
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import qualified Data.Map.Strict as Map
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import Data.Maybe
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import qualified Data.Text as T
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import qualified Data.Text.IO as T
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import Development.IDE.Core.Debouncer
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import Development.IDE.Core.FileStore
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import Development.IDE.Core.OfInterest
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import Development.IDE.Core.RuleTypes
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import Development.IDE.Core.Rules
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import Development.IDE.Core.Service
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import Development.IDE.Core.Shake
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import Development.IDE.LSP.LanguageServer
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import Development.IDE.LSP.Protocol
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import Development.IDE.Plugin
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import Development.IDE.Session
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import Development.IDE.Types.Diagnostics
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import Development.IDE.Types.Location
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import Development.IDE.Types.Logger
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import Development.IDE.Types.Options
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import HIE.Bios.Cradle
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import qualified Language.Haskell.LSP.Core as LSP
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import Ide.Logger
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import Ide.Plugin
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import Ide.Version
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import Ide.Plugin.Config
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import Ide.Types (IdePlugins, ipMap)
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import Language.Haskell.LSP.Messages
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import Language.Haskell.LSP.Types
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import qualified System.Directory.Extra as IO
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import System.Exit
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import System.FilePath
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import System.IO
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import qualified System.Log.Logger as L
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import System.Time.Extra
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-- ---------------------------------------------------------------------
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-- ghcide partialhandlers
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import Development.IDE.Plugin.CodeAction as CodeAction
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import Development.IDE.Plugin.Completions as Completions
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import Development.IDE.LSP.HoverDefinition as HoverDefinition
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import Ide.Arguments (Arguments(..), LspArguments(..), getArguments)
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import Ide.Main (defaultMain)
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import Ide.Types (IdePlugins)
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-- haskell-language-server plugins
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import Ide.Plugin.Eval as Eval
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import Ide.Plugin.Brittany as Brittany
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#endif
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import Ide.Plugin.Pragmas as Pragmas
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import Ide.Plugin (pluginDescToIdePlugins)
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-- ---------------------------------------------------------------------
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-- | The plugins configured for use in this instance of the language
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-- server.
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-- These can be freely added or removed to tailor the available
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then basePlugins ++ examplePlugins
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else basePlugins
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basePlugins =
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[
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-- applyRefactDescriptor "applyrefact"
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-- , haddockDescriptor "haddock"
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-- , hareDescriptor "hare"
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-- , hsimportDescriptor "hsimport"
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-- , liquidDescriptor "liquid"
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-- , packageDescriptor "package"
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GhcIde.descriptor "ghcide"
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[ GhcIde.descriptor "ghcide"
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, Pragmas.descriptor "pragmas"
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, Floskell.descriptor "floskell"
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, Fourmolu.descriptor "fourmolu"
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-- , genericDescriptor "generic"
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-- , ghcmodDescriptor "ghcmod"
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, Ormolu.descriptor "ormolu"
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, StylishHaskell.descriptor "stylish-haskell"
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, Retrie.descriptor "retrie"
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examplePlugins =
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[Example.descriptor "eg"
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,Example2.descriptor "eg2"
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-- ,hfaAlignDescriptor "hfaa"
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]
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ghcIdePlugins :: T.Text -> IdePlugins -> (Plugin Config, [T.Text])
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ghcIdePlugins pid ps = (asGhcIdePlugin ps, allLspCmdIds' pid ps)
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-- ---------------------------------------------------------------------
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main :: IO ()
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main = do
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-- WARNING: If you write to stdout before runLanguageServer
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-- then the language server will not work
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args <- getArguments "haskell-language-server"
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hlsVer <- haskellLanguageServerVersion
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case args of
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ProbeToolsMode -> do
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programsOfInterest <- findProgramVersions
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putStrLn hlsVer
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putStrLn "Tool versions found on the $PATH"
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putStrLn $ showProgramVersionOfInterest programsOfInterest
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VersionMode PrintVersion ->
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putStrLn hlsVer
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VersionMode PrintNumericVersion ->
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putStrLn haskellLanguageServerNumericVersion
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LspMode lspArgs -> do
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{- see WARNING above -}
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hPutStrLn stderr hlsVer
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runLspMode lspArgs
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runLspMode :: LspArguments -> IO ()
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runLspMode lspArgs@LspArguments {..} = do
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LSP.setupLogger argsLogFile ["hls", "hie-bios"]
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$ if argsDebugOn then L.DEBUG else L.INFO
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-- lock to avoid overlapping output on stdout
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lock <- newLock
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let logger p = Logger $ \pri msg -> when (pri >= p) $ withLock lock $
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T.putStrLn $ T.pack ("[" ++ upper (show pri) ++ "] ") <> msg
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whenJust argsCwd IO.setCurrentDirectory
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dir <- IO.getCurrentDirectory
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pid <- getPid
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let
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idePlugins' = idePlugins argsExamplePlugin
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(ps, commandIds) = ghcIdePlugins pid idePlugins'
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plugins = Completions.plugin <> CodeAction.plugin <>
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Plugin mempty HoverDefinition.setHandlersDefinition <>
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ps
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options = def { LSP.executeCommandCommands = Just commandIds
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, LSP.completionTriggerCharacters = Just "."
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}
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if argLSP then do
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t <- offsetTime
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hPutStrLn stderr "Starting (haskell-language-server)LSP server..."
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hPutStrLn stderr $ " with arguments: " <> show lspArgs
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hPutStrLn stderr $ " with plugins: " <> show (Map.keys $ ipMap idePlugins')
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hPutStrLn stderr $ " in directory: " <> dir
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hPutStrLn stderr "If you are seeing this in a terminal, you probably should have run ghcide WITHOUT the --lsp option!"
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runLanguageServer options (pluginHandler plugins) getInitialConfig getConfigFromNotification $ \getLspId event vfs caps wProg wIndefProg _getConfig _rootPath -> do
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t <- t
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hPutStrLn stderr $ "Started LSP server in " ++ showDuration t
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sessionLoader <- loadSession dir
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-- config <- fromMaybe defaultLspConfig <$> getConfig
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let options = (defaultIdeOptions sessionLoader)
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{ optReportProgress = clientSupportsProgress caps
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, optShakeProfiling = argsShakeProfiling
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, optTesting = IdeTesting argsTesting
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, optThreads = argsThreads
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-- , optCheckParents = checkParents config
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-- , optCheckProject = checkProject config
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}
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debouncer <- newAsyncDebouncer
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initialise caps (mainRule >> pluginRules plugins)
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getLspId event wProg wIndefProg hlsLogger debouncer options vfs
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else do
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-- GHC produces messages with UTF8 in them, so make sure the terminal doesn't error
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hSetEncoding stdout utf8
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hSetEncoding stderr utf8
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putStrLn $ "(haskell-language-server)Ghcide setup tester in " ++ dir ++ "."
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putStrLn "Report bugs at https://github.com/haskell/haskell-language-server/issues"
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programsOfInterest <- findProgramVersions
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putStrLn ""
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putStrLn "Tool versions found on the $PATH"
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putStrLn $ showProgramVersionOfInterest programsOfInterest
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putStrLn $ "\nStep 1/4: Finding files to test in " ++ dir
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files <- expandFiles (argFiles ++ ["." | null argFiles])
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-- LSP works with absolute file paths, so try and behave similarly
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files <- nubOrd <$> mapM IO.canonicalizePath files
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putStrLn $ "Found " ++ show (length files) ++ " files"
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putStrLn "\nStep 2/4: Looking for hie.yaml files that control setup"
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cradles <- mapM findCradle files
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let ucradles = nubOrd cradles
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let n = length ucradles
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putStrLn $ "Found " ++ show n ++ " cradle" ++ ['s' | n /= 1]
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putStrLn "\nStep 3/4: Initializing the IDE"
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vfs <- makeVFSHandle
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debouncer <- newAsyncDebouncer
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let dummyWithProg _ _ f = f (const (pure ()))
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sessionLoader <- loadSession dir
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ide <- initialise def mainRule (pure $ IdInt 0) (showEvent lock) dummyWithProg (const (const id)) (logger Info) debouncer (defaultIdeOptions sessionLoader) vfs
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putStrLn "\nStep 4/4: Type checking the files"
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setFilesOfInterest ide $ HashSet.fromList $ map toNormalizedFilePath' files
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results <- runAction "User TypeCheck" ide $ uses TypeCheck (map toNormalizedFilePath' files)
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let (worked, failed) = partition fst $ zip (map isJust results) files
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when (failed /= []) $
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putStr $ unlines $ "Files that failed:" : map ((++) " * " . snd) failed
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let files xs = let n = length xs in if n == 1 then "1 file" else show n ++ " files"
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putStrLn $ "\nCompleted (" ++ files worked ++ " worked, " ++ files failed ++ " failed)"
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unless (null failed) (exitWith $ ExitFailure (length failed))
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expandFiles :: [FilePath] -> IO [FilePath]
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expandFiles = concatMapM $ \x -> do
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b <- IO.doesFileExist x
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if b then return [x] else do
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let recurse "." = True
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recurse x | "." `isPrefixOf` takeFileName x = False -- skip .git etc
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recurse x = takeFileName x `notElem` ["dist","dist-newstyle"] -- cabal directories
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files <- filter (\x -> takeExtension x `elem` [".hs",".lhs"]) <$> IO.listFilesInside (return . recurse) x
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when (null files) $
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fail $ "Couldn't find any .hs/.lhs files inside directory: " ++ x
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return files
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let withExamples =
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case args of
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LspMode (LspArguments{..}) -> argsExamplePlugin
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_ -> False
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-- | Print an LSP event.
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showEvent :: Lock -> FromServerMessage -> IO ()
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showEvent _ (EventFileDiagnostics _ []) = return ()
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showEvent lock (EventFileDiagnostics (toNormalizedFilePath' -> file) diags) =
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withLock lock $ T.putStrLn $ showDiagnosticsColored $ map (file,ShowDiag,) diags
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showEvent lock e = withLock lock $ print e
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defaultMain args (idePlugins withExamples)

‎exe/Wrapper.hs

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-- https://github.com/alanz/vscode-hie-server
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module Main where
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import Arguments
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import Control.Monad.Extra
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import Data.Foldable
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import Data.List
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import Data.Void
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import HIE.Bios
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import HIE.Bios.Environment
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import HIE.Bios.Types
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import Ide.Arguments
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import Ide.Version
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import System.Directory
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import System.Environment

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