    {-# LANGUAGE OverloadedStrings #-}
    {-# OPTIONS_HADDOCK show-extensions #-}

    -- |
    -- Module      :  Yi.Keymap.Vim.Ex.Commands.Cabal
    -- License     :  GPL-2
    -- Maintainer  :  yi-devel@googlegroups.com
    -- Stability   :  experimental
    -- Portability :  portable

    module Yi.Keymap.Vim.Ex.Commands.Cabal (parse) where

    import           Control.Applicative              (Alternative ((<|>)))
    import           Control.Monad                    (void)
    import qualified Data.Attoparsec.Text             as P (string, try)
    import qualified Data.Text                        as T (pack)
    import           Yi.Command                       (cabalBuildE)
    import           Yi.Keymap                        (Action (YiA))
    import           Yi.Keymap.Vim.Common             (EventString)
    import qualified Yi.Keymap.Vim.Ex.Commands.Common as Common (commandArgs, impureExCommand, parse)
    import           Yi.Keymap.Vim.Ex.Types           (ExCommand (cmdAction, cmdShow))
    import           Yi.MiniBuffer                    (CommandArguments (CommandArguments))

    -- TODO: Either hack Text into these parsec parsers or use Attoparsec.
    -- Attoparsec is faster anyway and backtracks by default so we may
    -- want to use that anyway.

    parse :: EventString -> Maybe ExCommand
    parse :: EventString -> Maybe ExCommand
    parse = Parser ExCommand -> EventString -> Maybe ExCommand
    Common.parse (Parser ExCommand -> EventString -> Maybe ExCommand)
    -> Parser ExCommand -> EventString -> Maybe ExCommand
    forall a b. (a -> b) -> a -> b
    $ do
        Parser Text Text -> Parser Text ()
    forall (f :: * -> *) a. Functor f => f a -> f ()
    void (Parser Text Text -> Parser Text ())
    -> Parser Text Text -> Parser Text ()
    forall a b. (a -> b) -> a -> b
    $ Parser Text Text -> Parser Text Text
    forall i a. Parser i a -> Parser i a
    P.try (Text -> Parser Text Text
    P.string Text
    "cabal build") Parser Text Text -> Parser Text Text -> Parser Text Text
    forall a. Parser Text a -> Parser Text a -> Parser Text a
    forall (f :: * -> *) a. Alternative f => f a -> f a -> f a
    <|> Parser Text Text -> Parser Text Text
    forall i a. Parser i a -> Parser i a
    P.try (Text -> Parser Text Text
    P.string Text
    "cabal")
        args <- Parser [Text]
    Common.commandArgs
        return $ Common.impureExCommand {
            cmdShow = T.pack "cabal build"
          , cmdAction = YiA $ cabalBuildE $ CommandArguments args
          }