{-# LANGUAGE DeriveDataTypeable #-}
{-# LANGUAGE DeriveGeneric #-}
{-# LANGUAGE OverloadedStrings #-}

module Distribution.Types.LibraryVisibility
  ( LibraryVisibility (..)
  ) where

import Distribution.Compat.Prelude
import Prelude ()

import Distribution.Parsec
import Distribution.Pretty

import qualified Distribution.Compat.CharParsing as P
import qualified Text.PrettyPrint as Disp

-- | Multi-lib visibility
--
-- @since 3.0.0.0
data LibraryVisibility
  = -- | Can be used as a dependency for other packages
    LibraryVisibilityPublic
  | -- | Internal library, default
    LibraryVisibilityPrivate
  deriving ((forall x. LibraryVisibility -> Rep LibraryVisibility x)
-> (forall x. Rep LibraryVisibility x -> LibraryVisibility)
-> Generic LibraryVisibility
forall x. Rep LibraryVisibility x -> LibraryVisibility
forall x. LibraryVisibility -> Rep LibraryVisibility x
forall a.
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$cfrom :: forall x. LibraryVisibility -> Rep LibraryVisibility x
from :: forall x. LibraryVisibility -> Rep LibraryVisibility x
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Generic, Int -> LibraryVisibility -> ShowS
[LibraryVisibility] -> ShowS
LibraryVisibility -> String
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-> ([LibraryVisibility] -> ShowS)
-> Show LibraryVisibility
forall a.
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showsPrec :: Int -> LibraryVisibility -> ShowS
$cshow :: LibraryVisibility -> String
show :: LibraryVisibility -> String
$cshowList :: [LibraryVisibility] -> ShowS
showList :: [LibraryVisibility] -> ShowS
Show, ReadPrec [LibraryVisibility]
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Read, LibraryVisibility -> LibraryVisibility -> Bool
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$c== :: LibraryVisibility -> LibraryVisibility -> Bool
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-> (LibraryVisibility -> Constr)
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-> Data LibraryVisibility
LibraryVisibility -> Constr
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-> LibraryVisibility -> LibraryVisibility
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Data)

instance Pretty LibraryVisibility where
  pretty :: LibraryVisibility -> Doc
pretty LibraryVisibility
LibraryVisibilityPublic = String -> Doc
Disp.text String
"public"
  pretty LibraryVisibility
LibraryVisibilityPrivate = String -> Doc
Disp.text String
"private"

instance Parsec LibraryVisibility where
  parsec :: forall (m :: * -> *). CabalParsing m => m LibraryVisibility
parsec = do
    name <- (Char -> Bool) -> m String
forall (m :: * -> *). CharParsing m => (Char -> Bool) -> m String
P.munch1 Char -> Bool
isAlpha
    case name of
      String
"public" -> LibraryVisibility -> m LibraryVisibility
forall a. a -> m a
forall (m :: * -> *) a. Monad m => a -> m a
return LibraryVisibility
LibraryVisibilityPublic
      String
"private" -> LibraryVisibility -> m LibraryVisibility
forall a. a -> m a
forall (m :: * -> *) a. Monad m => a -> m a
return LibraryVisibility
LibraryVisibilityPrivate
      String
_ -> String -> m LibraryVisibility
forall a. String -> m a
forall (m :: * -> *) a. MonadFail m => String -> m a
fail (String -> m LibraryVisibility) -> String -> m LibraryVisibility
forall a b. (a -> b) -> a -> b
$ String
"Unknown visibility: " String -> ShowS
forall a. [a] -> [a] -> [a]
++ String
name

instance Binary LibraryVisibility
instance Structured LibraryVisibility
instance NFData LibraryVisibility where rnf :: LibraryVisibility -> ()
rnf = LibraryVisibility -> ()
forall a. (Generic a, GNFData (Rep a)) => a -> ()
genericRnf

instance Semigroup LibraryVisibility where
  LibraryVisibility
LibraryVisibilityPrivate <> :: LibraryVisibility -> LibraryVisibility -> LibraryVisibility
<> LibraryVisibility
LibraryVisibilityPrivate = LibraryVisibility
LibraryVisibilityPrivate
  LibraryVisibility
_ <> LibraryVisibility
_ = LibraryVisibility
LibraryVisibilityPublic

instance Monoid LibraryVisibility where
  mempty :: LibraryVisibility
mempty = LibraryVisibility
LibraryVisibilityPrivate
  mappend :: LibraryVisibility -> LibraryVisibility -> LibraryVisibility
mappend = LibraryVisibility -> LibraryVisibility -> LibraryVisibility
forall a. Semigroup a => a -> a -> a
(<>)