System.Console.Readline

Description

readEvalPrintLoop :: IO ()
readEvalPrintLoop = do
  maybeLine <- readline "% "
  case maybeLine of
   Nothing     -> return () -- EOF / control-d
   Just "exit" -> return ()
   Just line -> do addHistory line
                   putStrLn $ "The user input: " ++ (show line)
                   readEvalPrintLoop

Synopsis

• readline :: String -> IO (Maybe String)
• addHistory :: String -> IO ()
• getLineBuffer :: IO String
• setLineBuffer :: String -> IO ()
• getPoint :: IO Int
• setPoint :: Int -> IO ()
• getEnd :: IO Int
• setEnd :: Int -> IO ()
• getMark :: IO Int
• setMark :: Int -> IO ()
• setDone :: Bool -> IO ()
• setPendingInput :: Char -> IO ()
• setEraseEmptyLine :: Bool -> IO ()
• getPrompt :: IO String
• setAlreadyPrompted :: Bool -> IO ()
• getLibraryVersion :: IO String
• getTerminalName :: IO String
• setReadlineName :: String -> IO ()
• getInStream :: IO Handle
• getOutStream :: IO Handle
• setStartupHook :: Maybe (IO ()) -> IO ()
• setPreInputHook :: Maybe (IO ()) -> IO ()
• setEventHook :: Maybe (IO ()) -> IO ()
• setRedisplayFunction :: Maybe (IO ()) -> IO ()
• data Keymap
• newBareKeymap :: IO Keymap
• copyKeymap :: Keymap -> IO Keymap
• newKeymap :: IO Keymap
• freeKeymap :: Keymap -> IO ()
• getKeymap :: IO Keymap
• setKeymap :: Keymap -> IO ()
• getKeymapByName :: String -> IO Keymap
• getKeymapName :: Keymap -> IO (Maybe String)
• getExecutingKeymap :: IO Keymap
• getBindingKeymap :: IO Keymap
• type Callback = Int -> Char -> IO Int
• addDefun :: String -> Callback -> Maybe Char -> IO ()
• bindKey :: Char -> Callback -> IO ()
• bindKeyInMap :: Char -> Callback -> Keymap -> IO ()
• unbindKey :: Char -> IO ()
• unbindKeyInMap :: Char -> Keymap -> IO ()
• unbindCommandInMap :: String -> Keymap -> IO ()
• data Entry
  • = Function Callback
  • | Macro String
  • | Keymap Keymap
• genericBind :: String -> Entry -> Keymap -> IO ()
• parseAndBind :: String -> IO ()
• readInitFile :: String -> IO ()
• namedFunction :: String -> IO (Maybe Callback)
• functionOfKeyseq :: String -> Maybe Keymap -> IO Entry
• functionDumper :: Bool -> IO ()
• listFunmapNames :: IO ()
• funmapNames :: IO [String]
• beginUndoGroup :: IO ()
• endUndoGroup :: IO ()
• data UndoCode
  • = UndoDelete
  • | UndoInsert
  • | UndoBegin
  • | UndoEnd
• addUndo :: UndoCode -> Int -> Int -> String -> IO ()
• freeUndoList :: IO ()
• doUndo :: IO Bool
• modifying :: Int -> Int -> IO ()
• redisplay :: IO ()
• forcedUpdateDisplay :: IO ()
• onNewLine :: IO ()
• onNewLineWithPrompt :: IO ()
• resetLineState :: IO ()
• message :: String -> IO ()
• clearMessage :: IO ()
• savePrompt :: IO ()
• restorePrompt :: IO ()
• insertText :: String -> IO ()
• deleteText :: Int -> Int -> IO ()
• copyText :: Int -> Int -> IO String
• killText :: Int -> Int -> IO ()
• readKey :: IO Char
• stuffChar :: Char -> IO Bool
• initialize :: IO ()
• resetTerminal :: Maybe String -> IO ()
• ding :: IO Bool
• displayMatchList :: [String] -> IO ()
• callbackHandlerInstall :: String -> (String -> IO ()) -> IO (IO ())
• callbackReadChar :: IO ()
• setCatchSignals :: Bool -> IO ()
• getCatchSignals :: IO Bool
• setCatchSigwinch :: Bool -> IO ()
• getCatchSigwinch :: IO Bool
• cleanupAfterSignal :: IO ()
• freeLineState :: IO ()
• resetAfterSignal :: IO ()
• resizeTerminal :: IO ()
• setSignals :: IO ()
• clearSignals :: IO ()
• completeInternal :: Char -> IO ()
• complete :: Int -> Char -> IO Int
• possibleCompletions :: Int -> Char -> IO Int
• insertCompletions :: Int -> Char -> IO Int
• completionMatches :: String -> (String -> IO [String]) -> IO (Maybe (String, [String]))
• filenameCompletionFunction :: String -> IO [String]
• usernameCompletionFunction :: String -> IO [String]
• setCompletionEntryFunction :: Maybe (String -> IO [String]) -> IO ()
• setAttemptedCompletionFunction :: Maybe (String -> Int -> Int -> IO (Maybe (String, [String]))) -> IO ()
• setFilenameQuotingFunction :: Maybe (String -> Bool -> Ptr CChar -> IO String) -> IO ()
• quoteFilename :: String -> Bool -> Ptr CChar -> IO String
• setFilenameDequotingFunction :: Maybe (String -> Maybe Char -> IO String) -> IO ()
• setCharIsQuotedP :: Maybe (String -> Int -> IO Bool) -> IO ()
• getCompletionQueryItems :: IO Int
• setCompletionQueryItems :: Int -> IO ()
• getBasicWordBreakCharacters :: IO String
• setBasicWordBreakCharacters :: String -> IO ()
• getBasicQuoteCharacters :: IO String
• setBasicQuoteCharacters :: String -> IO ()
• getCompleterWordBreakCharacters :: IO String
• setCompleterWordBreakCharacters :: String -> IO ()
• getCompleterQuoteCharacters :: IO String
• setCompleterQuoteCharacters :: String -> IO ()
• getFilenameQuoteCharacters :: IO String
• setFilenameQuoteCharacters :: String -> IO ()
• getSpecialPrefixes :: IO String
• setSpecialPrefixes :: String -> IO ()
• getCompletionAppendCharacter :: IO (Maybe Char)
• setCompletionAppendCharacter :: Maybe Char -> IO ()
• setIgnoreCompletionDuplicates :: Bool -> IO ()
• getIgnoreCompletionDuplicates :: IO Bool
• setFilenameCompletionDesired :: Bool -> IO ()
• getFilenameCompletionDesired :: IO Bool
• setFilenameQuotingDesired :: Bool -> IO ()
• getFilenameQuotingDesired :: IO Bool
• setInhibitCompletion :: Bool -> IO ()
• getInhibitCompletion :: IO Bool
• setAttemptedCompletionOver :: Bool -> IO ()
• getAttemptedCompletionOver :: IO Bool
• setIgnoreSomeCompletionsFunction :: Maybe ([String] -> IO [String]) -> IO ()
• setDirectoryCompletionHook :: Maybe (String -> IO String) -> IO ()
• setCompletionWordBreakHook :: Maybe (IO (Maybe String)) -> IO ()
• setCompletionDisplayMatchesHook :: Maybe ([String] -> IO ()) -> IO ()

Documentation