module Idris.CommandLine import YafflePathsimport Data.Stringimport Idris.Versionimport YafflePaths %default total public exportdata PkgCommand      = Build      | Install      | Clean      | REPL exportShow PkgCommand where  show Build = "--build"  show Install = "--install"  show Clean = "--clean"  show REPL = "--repl" public exportdata DirCommand      = LibDir -- show top level package directory exportShow DirCommand where  show LibDir = "--libdir" ||| CLOpt - possible command line optionspublic exportdata CLOpt  =   ||| Only typecheck the given file  CheckOnly |   ||| The output file from the code generator  OutputFile String |   ||| Execute a given function after checking the source file  ExecFn String |   ||| Use a specific code generator (default chez)  SetCG String |   ||| Don't implicitly import Prelude  NoPrelude |   ||| Show the installation prefix  ShowPrefix |   ||| Display Idris version  Version |   ||| Display help text  Help |   ||| Suppress the banner  NoBanner |   ||| Run Idris 2 in quiet mode  Quiet |   ||| Add a package as a dependency  PkgPath String |   ||| Build or install a given package, depending on PkgCommand  Package PkgCommand String |   ||| Show locations of data/library directories  Directory DirCommand |   ||| The input Idris file  InputFile String |   ||| Whether or not to run in IdeMode (easily parsable for other tools)  IdeMode |   ||| Whether or not to run IdeMode (using a socket instead of stdin/stdout)  IdeModeSocket String |   ||| Run as a checker for the core language TTImp  Yaffle String |   ||| Dump metadata from a .ttm file  Metadata String |   ||| Dump cases before compiling  DumpCases String |   ||| Dump lambda lifted defs before compiling  DumpLifted String |   ||| Run a REPL command then exit immediately  RunREPL String |  FindIPKG |  Timing |  DebugElabCheck |  BlodwenPaths  ActType : List String -> TypeActType [] = List CLOptActType (a :: as) = String -> ActType as record OptDesc where  constructor MkOpt  flags : List String  argdescs : List String  action : ActType argdescs  help : Maybe String options : List OptDescoptions = [MkOpt ["--check", "-c"] [] [CheckOnly]              (Just "Exit after checking source file"),           MkOpt ["--output", "-o"] ["file"] (\f => [OutputFile f, Quiet])              (Just "Specify output file"),           MkOpt ["--exec", "-x"] ["name"] (\f => [ExecFn f, Quiet])              (Just "Execute function after checking source file"),           MkOpt ["--no-prelude"] [] [NoPrelude]              (Just "Don't implicitly import Prelude"),           MkOpt ["--codegen", "--cg"] ["backend"] (\f => [SetCG f])              (Just "Set code generator (default chez)"),           MkOpt ["--package", "-p"] ["package"] (\f => [PkgPath f])              (Just "Add a package as a dependency"),            MkOpt ["--ide-mode"] [] [IdeMode]              (Just "Run the REPL with machine-readable syntax"),            MkOpt ["--ide-mode-socket"] [] [IdeModeSocket "localhost:38398"]              (Just "Run the ide socket mode on default host and port (localhost:38398)"),            MkOpt ["--ide-mode-socket-with"] ["host:port"] (\hp => [IdeModeSocket hp])              (Just "Run the ide socket mode on given host and port"),            MkOpt ["--prefix"] [] [ShowPrefix]              (Just "Show installation prefix"),           MkOpt ["--paths"] [] [BlodwenPaths]              (Just "Show paths"),           MkOpt ["--build"] ["package file"] (\f => [Package Build f])              (Just "Build modules/executable for the given package"),           MkOpt ["--install"] ["package file"] (\f => [Package Install f])              (Just "Install the given package"),           MkOpt ["--clean"] ["package file"] (\f => [Package Clean f])              (Just "Clean intermediate files/executables for the given package"),            MkOpt ["--libdir"] [] [Directory LibDir]              (Just "Show library directory"),           MkOpt ["--no-banner"] [] [NoBanner]              (Just "Suppress the banner"),           MkOpt ["--quiet", "-q"] [] [Quiet]              (Just "Quiet mode; display fewer messages"),           MkOpt ["--version", "-v"] [] [Version]              (Just "Display version string"),           MkOpt ["--help", "-h", "-?"] [] [Help]              (Just "Display help text"),           MkOpt ["--timing"] [] [Timing]              (Just "Display timing logs"),           MkOpt ["--find-ipkg"] [] [FindIPKG]              (Just "Find and use an .ipkg file in a parent directory"),           MkOpt ["--client"] ["REPL command"] (\f => [RunREPL f])              (Just "Run a REPL command then quit immediately"),           -- Internal debugging options           MkOpt ["--yaffle", "--ttimp"] ["ttimp file"] (\f => [Yaffle f])              Nothing, -- run ttimp REPL rather than full Idris           MkOpt ["--ttm" ] ["ttimp file"] (\f => [Metadata f])              Nothing, -- dump metadata information from the given ttm file           MkOpt ["--dumpcases"] ["output file"] (\f => [DumpCases f])              Nothing, -- dump case trees to the given file           MkOpt ["--dumplifted"] ["output file"] (\f => [DumpLifted f])              Nothing, -- dump case trees to the given file           MkOpt ["--debug-elab-check"] [] [DebugElabCheck]              Nothing -- do more elaborator checks (currently conversion in LinearCheck)           ] optUsage : OptDesc -> StringoptUsage d    = maybe "" -- Don't show anything if there's no help string (that means               -- it's an internal option)        (\h => "  " ++            let optshow = showSep "," (flags d) ++ " " ++                    showSep " " (map (\x => "<" ++ x ++ ">") (argdescs d)) in                optshow ++ pack (List.replicate (minus 26 (length optshow)) ' ')                ++ h ++ "\n") (help d)  where    showSep : String -> List String -> String    showSep sep [] = ""    showSep sep [x] = x    showSep sep (x :: xs) = x ++ sep ++ showSep sep xs exportversionMsg : StringversionMsg = "Idris 2, version " ++ showVersion True version exportusage : Stringusage = versionMsg ++ "\n" ++        "Usage: idris2 [options] [input file]\n\n" ++        "Available options:\n" ++        concatMap optUsage options processArgs : String -> (args : List String) -> List String -> ActType args ->              Either String (List CLOpt, List String)processArgs flag [] xs f = Right (f, xs)processArgs flag (a :: as) [] f    = Left $ "Missing argument <" ++ a ++ "> for flag " ++ flagprocessArgs flag (a :: as) (x :: xs) f    = processArgs flag as xs (f x) matchFlag : (d : OptDesc) -> List String ->            Either String (Maybe (List CLOpt, List String))matchFlag d [] = Right Nothing -- Nothing left to matchmatchFlag d (x :: xs)    = if x `elem` flags d         then do args <- processArgs x (argdescs d) xs (action d)                 Right (Just args)         else Right Nothing findMatch : List OptDesc -> List String ->            Either String (List CLOpt, List String)findMatch [] [] = Right ([], [])findMatch [] (f :: args) = Right ([InputFile f], args)findMatch (d :: ds) args    = case !(matchFlag d args) of           Nothing => findMatch ds args           Just res => Right res parseOpts : List OptDesc -> List String -> Either String (List CLOpt)parseOpts opts [] = Right []parseOpts opts args   = do (cl, rest) <- findMatch opts args        cls <- assert_total (parseOpts opts rest) -- 'rest' smaller than 'args'        pure (cl ++ cls) exportgetOpts : List String -> Either String (List CLOpt)getOpts opts = parseOpts options opts  export coveringgetCmdOpts : IO (Either String (List CLOpt))getCmdOpts = do (_ :: opts) <- getArgs                    | pure (Left "Invalid command line")                pure $ getOpts opts portPart : String -> Maybe StringportPart p with (not $ p == "") proof prf  portPart p | False  = Nothing  portPart p | True = Just $ strTail' p (sym prf) ||| Extract the host and port to bind the IDE socket topublic exportideSocketModeHostPort : List CLOpt -> (String, Int)ideSocketModeHostPort []  = ("localhost", 38398)ideSocketModeHostPort (IdeModeSocket hp :: _) =  let (h, p) = Strings.break (== ':') hp      port = fromMaybe 38398 (portPart p >>= parsePositive)      host = if h == "" then "localhost" else h  in (host, port)ideSocketModeHostPort (_ :: rest) = ideSocketModeHostPort rest