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

module Distribution.Types.ForeignLib
  ( ForeignLib (..)
  , emptyForeignLib
  , foreignLibModules
  , foreignLibIsShared
  , foreignLibVersion
  , LibVersionInfo
  , mkLibVersionInfo
  , libVersionInfoCRA
  , libVersionNumber
  , libVersionNumberShow
  , libVersionMajor
  ) where

import Distribution.Compat.Prelude
import Prelude ()

import Distribution.ModuleName
import Distribution.Parsec
import Distribution.Pretty
import Distribution.System
import Distribution.Types.BuildInfo
import Distribution.Types.ForeignLibOption
import Distribution.Types.ForeignLibType
import Distribution.Types.UnqualComponentName
import Distribution.Version

import Data.Monoid
import qualified Distribution.Compat.CharParsing as P
import qualified Text.PrettyPrint as Disp
import qualified Text.Read as Read

import qualified Distribution.Types.BuildInfo.Lens as L

-- | A foreign library stanza is like a library stanza, except that
-- the built code is intended for consumption by a non-Haskell client.
data ForeignLib = ForeignLib
  { ForeignLib -> UnqualComponentName
foreignLibName :: UnqualComponentName
  -- ^ Name of the foreign library
  , ForeignLib -> ForeignLibType
foreignLibType :: ForeignLibType
  -- ^ What kind of foreign library is this (static or dynamic).
  , ForeignLib -> [ForeignLibOption]
foreignLibOptions :: [ForeignLibOption]
  -- ^ What options apply to this foreign library (e.g., are we
  -- merging in all foreign dependencies.)
  , ForeignLib -> BuildInfo
foreignLibBuildInfo :: BuildInfo
  -- ^ Build information for this foreign library.
  , ForeignLib -> Maybe LibVersionInfo
foreignLibVersionInfo :: Maybe LibVersionInfo
  -- ^ Libtool-style version-info data to compute library version.
  -- Refer to the libtool documentation on the
  -- current:revision:age versioning scheme.
  , ForeignLib -> Maybe Version
foreignLibVersionLinux :: Maybe Version
  -- ^ Linux library version
  , ForeignLib -> [FilePath]
foreignLibModDefFile :: [FilePath]
  -- ^ (Windows-specific) module definition files
  --
  -- This is a list rather than a maybe field so that we can flatten
  -- the condition trees (for instance, when creating an sdist)
  }
  deriving ((forall x. ForeignLib -> Rep ForeignLib x)
-> (forall x. Rep ForeignLib x -> ForeignLib) -> Generic ForeignLib
forall x. Rep ForeignLib x -> ForeignLib
forall x. ForeignLib -> Rep ForeignLib x
forall a.
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from :: forall x. ForeignLib -> Rep ForeignLib x
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to :: forall x. Rep ForeignLib x -> ForeignLib
Generic, Int -> ForeignLib -> ShowS
[ForeignLib] -> ShowS
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-> Show ForeignLib
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$cshowsPrec :: Int -> ForeignLib -> ShowS
showsPrec :: Int -> ForeignLib -> ShowS
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show :: ForeignLib -> FilePath
$cshowList :: [ForeignLib] -> ShowS
showList :: [ForeignLib] -> ShowS
Show, ReadPrec [ForeignLib]
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readsPrec :: Int -> ReadS ForeignLib
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readList :: ReadS [ForeignLib]
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readPrec :: ReadPrec ForeignLib
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readListPrec :: ReadPrec [ForeignLib]
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-> (ForeignLib -> ForeignLib -> ForeignLib)
-> Ord ForeignLib
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$ccompare :: ForeignLib -> ForeignLib -> Ordering
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max :: ForeignLib -> ForeignLib -> ForeignLib
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min :: ForeignLib -> ForeignLib -> ForeignLib
Ord, Typeable, Typeable ForeignLib
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forall (t :: * -> *) (c :: * -> *).
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$cgfoldl :: forall (c :: * -> *).
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toConstr :: ForeignLib -> Constr
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dataTypeOf :: ForeignLib -> DataType
$cdataCast1 :: forall (t :: * -> *) (c :: * -> *).
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(forall d. Data d => c (t d)) -> Maybe (c ForeignLib)
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$cdataCast2 :: forall (t :: * -> * -> *) (c :: * -> *).
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$cgmapT :: (forall b. Data b => b -> b) -> ForeignLib -> ForeignLib
gmapT :: (forall b. Data b => b -> b) -> ForeignLib -> ForeignLib
$cgmapQl :: forall r r'.
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$cgmapQ :: forall u. (forall d. Data d => d -> u) -> ForeignLib -> [u]
gmapQ :: forall u. (forall d. Data d => d -> u) -> ForeignLib -> [u]
$cgmapQi :: forall u. Int -> (forall d. Data d => d -> u) -> ForeignLib -> u
gmapQi :: forall u. Int -> (forall d. Data d => d -> u) -> ForeignLib -> u
$cgmapM :: forall (m :: * -> *).
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(forall d. Data d => d -> m d) -> ForeignLib -> m ForeignLib
gmapM :: forall (m :: * -> *).
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$cgmapMp :: forall (m :: * -> *).
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$cgmapMo :: forall (m :: * -> *).
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(forall d. Data d => d -> m d) -> ForeignLib -> m ForeignLib
gmapMo :: forall (m :: * -> *).
MonadPlus m =>
(forall d. Data d => d -> m d) -> ForeignLib -> m ForeignLib
Data)

data LibVersionInfo = LibVersionInfo Int Int Int deriving (Typeable LibVersionInfo
Typeable LibVersionInfo =>
(forall (c :: * -> *).
 (forall d b. Data d => c (d -> b) -> d -> c b)
 -> (forall g. g -> c g) -> LibVersionInfo -> c LibVersionInfo)
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    -> (forall r. r -> c r) -> Constr -> c LibVersionInfo)
-> (LibVersionInfo -> Constr)
-> (LibVersionInfo -> DataType)
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    (forall d. Data d => c (t d)) -> Maybe (c LibVersionInfo))
-> (forall (t :: * -> * -> *) (c :: * -> *).
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-> (forall r r'.
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-> (forall r r'.
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-> (forall u.
    (forall d. Data d => d -> u) -> LibVersionInfo -> [u])
-> (forall u.
    Int -> (forall d. Data d => d -> u) -> LibVersionInfo -> u)
-> (forall (m :: * -> *).
    Monad m =>
    (forall d. Data d => d -> m d)
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-> (forall (m :: * -> *).
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-> (forall (m :: * -> *).
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    (forall d. Data d => d -> m d)
    -> LibVersionInfo -> m LibVersionInfo)
-> Data LibVersionInfo
LibVersionInfo -> Constr
LibVersionInfo -> DataType
(forall b. Data b => b -> b) -> LibVersionInfo -> LibVersionInfo
forall a.
Typeable a =>
(forall (c :: * -> *).
 (forall d b. Data d => c (d -> b) -> d -> c b)
 -> (forall g. g -> c g) -> a -> c a)
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    (forall d e. (Data d, Data e) => c (t d e)) -> Maybe (c a))
-> ((forall b. Data b => b -> b) -> a -> a)
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-> (forall r r'.
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-> (forall (m :: * -> *).
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-> (forall (m :: * -> *).
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-> Data a
forall u.
Int -> (forall d. Data d => d -> u) -> LibVersionInfo -> u
forall u. (forall d. Data d => d -> u) -> LibVersionInfo -> [u]
forall r r'.
(r -> r' -> r)
-> r -> (forall d. Data d => d -> r') -> LibVersionInfo -> r
forall r r'.
(r' -> r -> r)
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forall (m :: * -> *).
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forall (c :: * -> *).
(forall b r. Data b => c (b -> r) -> c r)
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forall (t :: * -> *) (c :: * -> *).
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forall (t :: * -> * -> *) (c :: * -> *).
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-> (forall g. g -> c g) -> LibVersionInfo -> c LibVersionInfo
gfoldl :: forall (c :: * -> *).
(forall d b. Data d => c (d -> b) -> d -> c b)
-> (forall g. g -> c g) -> LibVersionInfo -> c LibVersionInfo
$cgunfold :: forall (c :: * -> *).
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-> (forall r. r -> c r) -> Constr -> c LibVersionInfo
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(forall b r. Data b => c (b -> r) -> c r)
-> (forall r. r -> c r) -> Constr -> c LibVersionInfo
$ctoConstr :: LibVersionInfo -> Constr
toConstr :: LibVersionInfo -> Constr
$cdataTypeOf :: LibVersionInfo -> DataType
dataTypeOf :: LibVersionInfo -> DataType
$cdataCast1 :: forall (t :: * -> *) (c :: * -> *).
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(forall d. Data d => c (t d)) -> Maybe (c LibVersionInfo)
dataCast1 :: forall (t :: * -> *) (c :: * -> *).
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(forall d. Data d => c (t d)) -> Maybe (c LibVersionInfo)
$cdataCast2 :: forall (t :: * -> * -> *) (c :: * -> *).
Typeable t =>
(forall d e. (Data d, Data e) => c (t d e))
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dataCast2 :: forall (t :: * -> * -> *) (c :: * -> *).
Typeable t =>
(forall d e. (Data d, Data e) => c (t d e))
-> Maybe (c LibVersionInfo)
$cgmapT :: (forall b. Data b => b -> b) -> LibVersionInfo -> LibVersionInfo
gmapT :: (forall b. Data b => b -> b) -> LibVersionInfo -> LibVersionInfo
$cgmapQl :: forall r r'.
(r -> r' -> r)
-> r -> (forall d. Data d => d -> r') -> LibVersionInfo -> r
gmapQl :: forall r r'.
(r -> r' -> r)
-> r -> (forall d. Data d => d -> r') -> LibVersionInfo -> r
$cgmapQr :: forall r r'.
(r' -> r -> r)
-> r -> (forall d. Data d => d -> r') -> LibVersionInfo -> r
gmapQr :: forall r r'.
(r' -> r -> r)
-> r -> (forall d. Data d => d -> r') -> LibVersionInfo -> r
$cgmapQ :: forall u. (forall d. Data d => d -> u) -> LibVersionInfo -> [u]
gmapQ :: forall u. (forall d. Data d => d -> u) -> LibVersionInfo -> [u]
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Int -> (forall d. Data d => d -> u) -> LibVersionInfo -> u
gmapQi :: forall u.
Int -> (forall d. Data d => d -> u) -> LibVersionInfo -> u
$cgmapM :: forall (m :: * -> *).
Monad m =>
(forall d. Data d => d -> m d)
-> LibVersionInfo -> m LibVersionInfo
gmapM :: forall (m :: * -> *).
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(forall d. Data d => d -> m d)
-> LibVersionInfo -> m LibVersionInfo
$cgmapMp :: forall (m :: * -> *).
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(forall d. Data d => d -> m d)
-> LibVersionInfo -> m LibVersionInfo
gmapMp :: forall (m :: * -> *).
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(forall d. Data d => d -> m d)
-> LibVersionInfo -> m LibVersionInfo
$cgmapMo :: forall (m :: * -> *).
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(forall d. Data d => d -> m d)
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gmapMo :: forall (m :: * -> *).
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(forall d. Data d => d -> m d)
-> LibVersionInfo -> m LibVersionInfo
Data, LibVersionInfo -> LibVersionInfo -> Bool
(LibVersionInfo -> LibVersionInfo -> Bool)
-> (LibVersionInfo -> LibVersionInfo -> Bool) -> Eq LibVersionInfo
forall a. (a -> a -> Bool) -> (a -> a -> Bool) -> Eq a
$c== :: LibVersionInfo -> LibVersionInfo -> Bool
== :: LibVersionInfo -> LibVersionInfo -> Bool
$c/= :: LibVersionInfo -> LibVersionInfo -> Bool
/= :: LibVersionInfo -> LibVersionInfo -> Bool
Eq, (forall x. LibVersionInfo -> Rep LibVersionInfo x)
-> (forall x. Rep LibVersionInfo x -> LibVersionInfo)
-> Generic LibVersionInfo
forall x. Rep LibVersionInfo x -> LibVersionInfo
forall x. LibVersionInfo -> Rep LibVersionInfo x
forall a.
(forall x. a -> Rep a x) -> (forall x. Rep a x -> a) -> Generic a
$cfrom :: forall x. LibVersionInfo -> Rep LibVersionInfo x
from :: forall x. LibVersionInfo -> Rep LibVersionInfo x
$cto :: forall x. Rep LibVersionInfo x -> LibVersionInfo
to :: forall x. Rep LibVersionInfo x -> LibVersionInfo
Generic, Typeable)

instance Ord LibVersionInfo where
  LibVersionInfo Int
c Int
r Int
_ compare :: LibVersionInfo -> LibVersionInfo -> Ordering
`compare` LibVersionInfo Int
c' Int
r' Int
_ =
    case Int
c Int -> Int -> Ordering
forall a. Ord a => a -> a -> Ordering
`compare` Int
c' of
      Ordering
EQ -> Int
r Int -> Int -> Ordering
forall a. Ord a => a -> a -> Ordering
`compare` Int
r'
      Ordering
e -> Ordering
e

instance Show LibVersionInfo where
  showsPrec :: Int -> LibVersionInfo -> ShowS
showsPrec Int
d (LibVersionInfo Int
c Int
r Int
a) =
    Bool -> ShowS -> ShowS
showParen (Int
d Int -> Int -> Bool
forall a. Ord a => a -> a -> Bool
> Int
10) (ShowS -> ShowS) -> ShowS -> ShowS
forall a b. (a -> b) -> a -> b
$
      FilePath -> ShowS
showString FilePath
"mkLibVersionInfo "
        ShowS -> ShowS -> ShowS
forall b c a. (b -> c) -> (a -> b) -> a -> c
. Int -> (Int, Int, Int) -> ShowS
forall a. Show a => Int -> a -> ShowS
showsPrec Int
11 (Int
c, Int
r, Int
a)

instance Read LibVersionInfo where
  readPrec :: ReadPrec LibVersionInfo
readPrec = ReadPrec LibVersionInfo -> ReadPrec LibVersionInfo
forall a. ReadPrec a -> ReadPrec a
Read.parens (ReadPrec LibVersionInfo -> ReadPrec LibVersionInfo)
-> ReadPrec LibVersionInfo -> ReadPrec LibVersionInfo
forall a b. (a -> b) -> a -> b
$ do
    Read.Ident FilePath
"mkLibVersionInfo" <- ReadPrec Lexeme
Read.lexP
    (Int, Int, Int)
t <- ReadPrec (Int, Int, Int) -> ReadPrec (Int, Int, Int)
forall a. ReadPrec a -> ReadPrec a
Read.step ReadPrec (Int, Int, Int)
forall a. Read a => ReadPrec a
Read.readPrec
    LibVersionInfo -> ReadPrec LibVersionInfo
forall a. a -> ReadPrec a
forall (m :: * -> *) a. Monad m => a -> m a
return ((Int, Int, Int) -> LibVersionInfo
mkLibVersionInfo (Int, Int, Int)
t)

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

instance Pretty LibVersionInfo where
  pretty :: LibVersionInfo -> Doc
pretty (LibVersionInfo Int
c Int
r Int
a) =
    [Doc] -> Doc
Disp.hcat ([Doc] -> Doc) -> [Doc] -> Doc
forall a b. (a -> b) -> a -> b
$ Doc -> [Doc] -> [Doc]
Disp.punctuate (Char -> Doc
Disp.char Char
':') ([Doc] -> [Doc]) -> [Doc] -> [Doc]
forall a b. (a -> b) -> a -> b
$ (Int -> Doc) -> [Int] -> [Doc]
forall a b. (a -> b) -> [a] -> [b]
map Int -> Doc
Disp.int [Int
c, Int
r, Int
a]

instance Parsec LibVersionInfo where
  parsec :: forall (m :: * -> *). CabalParsing m => m LibVersionInfo
parsec = do
    Int
c <- m Int
forall (m :: * -> *) a. (CharParsing m, Integral a) => m a
P.integral
    (Int
r, Int
a) <- (Int, Int) -> m (Int, Int) -> m (Int, Int)
forall (m :: * -> *) a. Alternative m => a -> m a -> m a
P.option (Int
0, Int
0) (m (Int, Int) -> m (Int, Int)) -> m (Int, Int) -> m (Int, Int)
forall a b. (a -> b) -> a -> b
$ do
      Char
_ <- Char -> m Char
forall (m :: * -> *). CharParsing m => Char -> m Char
P.char Char
':'
      Int
r <- m Int
forall (m :: * -> *) a. (CharParsing m, Integral a) => m a
P.integral
      Int
a <- Int -> m Int -> m Int
forall (m :: * -> *) a. Alternative m => a -> m a -> m a
P.option Int
0 (m Int -> m Int) -> m Int -> m Int
forall a b. (a -> b) -> a -> b
$ do
        Char
_ <- Char -> m Char
forall (m :: * -> *). CharParsing m => Char -> m Char
P.char Char
':'
        m Int
forall (m :: * -> *) a. (CharParsing m, Integral a) => m a
P.integral
      (Int, Int) -> m (Int, Int)
forall a. a -> m a
forall (m :: * -> *) a. Monad m => a -> m a
return (Int
r, Int
a)
    LibVersionInfo -> m LibVersionInfo
forall a. a -> m a
forall (m :: * -> *) a. Monad m => a -> m a
return (LibVersionInfo -> m LibVersionInfo)
-> LibVersionInfo -> m LibVersionInfo
forall a b. (a -> b) -> a -> b
$ (Int, Int, Int) -> LibVersionInfo
mkLibVersionInfo (Int
c, Int
r, Int
a)

-- | Construct 'LibVersionInfo' from @(current, revision, age)@
-- numbers.
--
-- For instance, @mkLibVersionInfo (3,0,0)@ constructs a
-- 'LibVersionInfo' representing the version-info @3:0:0@.
--
-- All version components must be non-negative.
mkLibVersionInfo :: (Int, Int, Int) -> LibVersionInfo
mkLibVersionInfo :: (Int, Int, Int) -> LibVersionInfo
mkLibVersionInfo (Int
c, Int
r, Int
a) = Int -> Int -> Int -> LibVersionInfo
LibVersionInfo Int
c Int
r Int
a

-- | From a given 'LibVersionInfo', extract the @(current, revision,
-- age)@ numbers.
libVersionInfoCRA :: LibVersionInfo -> (Int, Int, Int)
libVersionInfoCRA :: LibVersionInfo -> (Int, Int, Int)
libVersionInfoCRA (LibVersionInfo Int
c Int
r Int
a) = (Int
c, Int
r, Int
a)

-- | Given a version-info field, produce a @major.minor.build@ version
libVersionNumber :: LibVersionInfo -> (Int, Int, Int)
libVersionNumber :: LibVersionInfo -> (Int, Int, Int)
libVersionNumber (LibVersionInfo Int
c Int
r Int
a) = (Int
c Int -> Int -> Int
forall a. Num a => a -> a -> a
- Int
a, Int
a, Int
r)

-- | Given a version-info field, return @"major.minor.build"@ as a
-- 'String'
libVersionNumberShow :: LibVersionInfo -> String
libVersionNumberShow :: LibVersionInfo -> FilePath
libVersionNumberShow LibVersionInfo
v =
  let (Int
major, Int
minor, Int
build) = LibVersionInfo -> (Int, Int, Int)
libVersionNumber LibVersionInfo
v
   in Int -> FilePath
forall a. Show a => a -> FilePath
show Int
major FilePath -> ShowS
forall a. [a] -> [a] -> [a]
++ FilePath
"." FilePath -> ShowS
forall a. [a] -> [a] -> [a]
++ Int -> FilePath
forall a. Show a => a -> FilePath
show Int
minor FilePath -> ShowS
forall a. [a] -> [a] -> [a]
++ FilePath
"." FilePath -> ShowS
forall a. [a] -> [a] -> [a]
++ Int -> FilePath
forall a. Show a => a -> FilePath
show Int
build

-- | Return the @major@ version of a version-info field.
libVersionMajor :: LibVersionInfo -> Int
libVersionMajor :: LibVersionInfo -> Int
libVersionMajor (LibVersionInfo Int
c Int
_ Int
a) = Int
c Int -> Int -> Int
forall a. Num a => a -> a -> a
- Int
a

instance L.HasBuildInfo ForeignLib where
  buildInfo :: Lens' ForeignLib BuildInfo
buildInfo BuildInfo -> f BuildInfo
f ForeignLib
l = (\BuildInfo
x -> ForeignLib
l{foreignLibBuildInfo = x}) (BuildInfo -> ForeignLib) -> f BuildInfo -> f ForeignLib
forall (f :: * -> *) a b. Functor f => (a -> b) -> f a -> f b
<$> BuildInfo -> f BuildInfo
f (ForeignLib -> BuildInfo
foreignLibBuildInfo ForeignLib
l)

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

instance Semigroup ForeignLib where
  ForeignLib
a <> :: ForeignLib -> ForeignLib -> ForeignLib
<> ForeignLib
b =
    ForeignLib
      { foreignLibName :: UnqualComponentName
foreignLibName = ForeignLib
-> ForeignLib
-> (ForeignLib -> UnqualComponentName)
-> FilePath
-> UnqualComponentName
forall b a.
(Monoid b, Eq b, Show b) =>
a -> a -> (a -> b) -> FilePath -> b
combineNames ForeignLib
a ForeignLib
b ForeignLib -> UnqualComponentName
foreignLibName FilePath
"foreign library"
      , foreignLibType :: ForeignLibType
foreignLibType = (ForeignLib -> ForeignLibType) -> ForeignLibType
forall {a}. Monoid a => (ForeignLib -> a) -> a
combine ForeignLib -> ForeignLibType
foreignLibType
      , foreignLibOptions :: [ForeignLibOption]
foreignLibOptions = (ForeignLib -> [ForeignLibOption]) -> [ForeignLibOption]
forall {a}. Monoid a => (ForeignLib -> a) -> a
combine ForeignLib -> [ForeignLibOption]
foreignLibOptions
      , foreignLibBuildInfo :: BuildInfo
foreignLibBuildInfo = (ForeignLib -> BuildInfo) -> BuildInfo
forall {a}. Monoid a => (ForeignLib -> a) -> a
combine ForeignLib -> BuildInfo
foreignLibBuildInfo
      , foreignLibVersionInfo :: Maybe LibVersionInfo
foreignLibVersionInfo = (ForeignLib -> Maybe LibVersionInfo) -> Maybe LibVersionInfo
forall {a}. (ForeignLib -> Maybe a) -> Maybe a
chooseLast ForeignLib -> Maybe LibVersionInfo
foreignLibVersionInfo
      , foreignLibVersionLinux :: Maybe Version
foreignLibVersionLinux = (ForeignLib -> Maybe Version) -> Maybe Version
forall {a}. (ForeignLib -> Maybe a) -> Maybe a
chooseLast ForeignLib -> Maybe Version
foreignLibVersionLinux
      , foreignLibModDefFile :: [FilePath]
foreignLibModDefFile = (ForeignLib -> [FilePath]) -> [FilePath]
forall {a}. Monoid a => (ForeignLib -> a) -> a
combine ForeignLib -> [FilePath]
foreignLibModDefFile
      }
    where
      combine :: (ForeignLib -> a) -> a
combine ForeignLib -> a
field = ForeignLib -> a
field ForeignLib
a a -> a -> a
forall a. Monoid a => a -> a -> a
`mappend` ForeignLib -> a
field ForeignLib
b
      -- chooseLast: the second field overrides the first, unless it is Nothing
      chooseLast :: (ForeignLib -> Maybe a) -> Maybe a
chooseLast ForeignLib -> Maybe a
field = Last a -> Maybe a
forall a. Last a -> Maybe a
getLast (Maybe a -> Last a
forall a. Maybe a -> Last a
Last (ForeignLib -> Maybe a
field ForeignLib
a) Last a -> Last a -> Last a
forall a. Semigroup a => a -> a -> a
<> Maybe a -> Last a
forall a. Maybe a -> Last a
Last (ForeignLib -> Maybe a
field ForeignLib
b))

instance Monoid ForeignLib where
  mempty :: ForeignLib
mempty =
    ForeignLib
      { foreignLibName :: UnqualComponentName
foreignLibName = UnqualComponentName
forall a. Monoid a => a
mempty
      , foreignLibType :: ForeignLibType
foreignLibType = ForeignLibType
ForeignLibTypeUnknown
      , foreignLibOptions :: [ForeignLibOption]
foreignLibOptions = []
      , foreignLibBuildInfo :: BuildInfo
foreignLibBuildInfo = BuildInfo
forall a. Monoid a => a
mempty
      , foreignLibVersionInfo :: Maybe LibVersionInfo
foreignLibVersionInfo = Maybe LibVersionInfo
forall a. Maybe a
Nothing
      , foreignLibVersionLinux :: Maybe Version
foreignLibVersionLinux = Maybe Version
forall a. Maybe a
Nothing
      , foreignLibModDefFile :: [FilePath]
foreignLibModDefFile = []
      }
  mappend :: ForeignLib -> ForeignLib -> ForeignLib
mappend = ForeignLib -> ForeignLib -> ForeignLib
forall a. Semigroup a => a -> a -> a
(<>)

-- | An empty foreign library.
emptyForeignLib :: ForeignLib
emptyForeignLib :: ForeignLib
emptyForeignLib = ForeignLib
forall a. Monoid a => a
mempty

-- | Modules defined by a foreign library.
foreignLibModules :: ForeignLib -> [ModuleName]
foreignLibModules :: ForeignLib -> [ModuleName]
foreignLibModules = BuildInfo -> [ModuleName]
otherModules (BuildInfo -> [ModuleName])
-> (ForeignLib -> BuildInfo) -> ForeignLib -> [ModuleName]
forall b c a. (b -> c) -> (a -> b) -> a -> c
. ForeignLib -> BuildInfo
foreignLibBuildInfo

-- | Is the foreign library shared?
foreignLibIsShared :: ForeignLib -> Bool
foreignLibIsShared :: ForeignLib -> Bool
foreignLibIsShared = ForeignLibType -> Bool
foreignLibTypeIsShared (ForeignLibType -> Bool)
-> (ForeignLib -> ForeignLibType) -> ForeignLib -> Bool
forall b c a. (b -> c) -> (a -> b) -> a -> c
. ForeignLib -> ForeignLibType
foreignLibType

-- | Get a version number for a foreign library.
-- If we're on Linux, and a Linux version is specified, use that.
-- If we're on Linux, and libtool-style version-info is specified, translate
-- that field into appropriate version numbers.
-- Otherwise, this feature is unsupported so we don't return any version data.
foreignLibVersion :: ForeignLib -> OS -> [Int]
foreignLibVersion :: ForeignLib -> OS -> [Int]
foreignLibVersion ForeignLib
flib OS
Linux =
  case ForeignLib -> Maybe Version
foreignLibVersionLinux ForeignLib
flib of
    Just Version
v -> Version -> [Int]
versionNumbers Version
v
    Maybe Version
Nothing ->
      case ForeignLib -> Maybe LibVersionInfo
foreignLibVersionInfo ForeignLib
flib of
        Just LibVersionInfo
v' ->
          let (Int
major, Int
minor, Int
build) = LibVersionInfo -> (Int, Int, Int)
libVersionNumber LibVersionInfo
v'
           in [Int
major, Int
minor, Int
build]
        Maybe LibVersionInfo
Nothing -> []
foreignLibVersion ForeignLib
_ OS
_ = []