ghc-mod/src/GHCMod/Options/DocUtils.hs

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-- ghc-mod: Making Haskell development *more* fun
-- Copyright (C) 2015 Nikolay Yakimov <root@livid.pp.ru>
--
-- This program is free software: you can redistribute it and/or modify
-- it under the terms of the GNU Affero General Public License as published by
-- the Free Software Foundation, either version 3 of the License, or
-- (at your option) any later version.
--
-- This program is distributed in the hope that it will be useful,
-- but WITHOUT ANY WARRANTY; without even the implied warranty of
-- MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
-- GNU Affero General Public License for more details.
--
-- You should have received a copy of the GNU Affero General Public License
-- along with this program. If not, see <http://www.gnu.org/licenses/>.
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module GHCMod.Options.DocUtils (
module PP,
desc,
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code,
($$),
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(<=>),
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(<$$>),
(<||>)
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) where
import Options.Applicative
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import Data.Monoid (Monoid) -- for ghc<7.10
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import Text.PrettyPrint.ANSI.Leijen as PP hiding ((<>), (<$>), (<$$>), int)
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desc :: [Doc] -> InfoMod a
desc = footerDoc . Just . indent 2 . vsep
code :: [String] -> Doc
code x = vsep [line, indent 4 $ vsep $ map text x, line]
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infixl 7 <||>
infixr 8 <$$>
infixr 8 $$
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infixr 9 <=>
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($$) :: (a -> b) -> a -> b
($$) = ($)
(<||>) :: Alternative a => a b -> a b -> a b
(<||>) = (<|>)
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(<=>) :: Monoid m => m -> m -> m
(<=>) = (<>)
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(<$$>) :: Functor f => (a -> b) -> f a -> f b
(<$$>) = (<$>)