exe/Arguments.hs · ghcide

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ghcide/exe/Arguments.hs

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2-- SPDX-License-Identifier: Apache-2.0

4module Arguments(Arguments(..), getArguments) where

6import Options.Applicative

9data Arguments = Arguments

10 {argLSP :: Bool

11 ,argsCwd :: Maybe FilePath

12 ,argFiles :: [FilePath]

13 ,argsVersion :: Bool

14 ,argsShakeProfiling :: Maybe FilePath

15 ,argsTesting :: Bool

16 ,argsThreads :: Int

17 }

19getArguments :: IO Arguments

20getArguments = execParser opts

21 where

22 opts = info (arguments <**> helper)

23 ( fullDesc

24 <> progDesc "Used as a test bed to check your IDE will work"

25 <> header "ghcide - the core of a Haskell IDE")

27arguments :: Parser Arguments

28arguments = Arguments

29 <$> switch (long "lsp" <> help "Start talking to an LSP server")

30 <*> optional (strOption $ long "cwd" <> metavar "DIR" <> help "Change to this directory")

31 <*> many (argument str (metavar "FILES/DIRS..."))

32 <*> switch (long "version" <> help "Show ghcide and GHC versions")

33 <*> optional (strOption $ long "shake-profiling" <> metavar "DIR" <> help "Dump profiling reports to this directory")

34 <*> switch (long "test" <> help "Enable additional lsp messages used by the testsuite")

35 <*> option auto (short 'j' <> help "Number of threads (0: automatic)" <> metavar "NUM" <> value 0 <> showDefault)