{-# LANGUAGE FlexibleContexts       #-}
{-# LANGUAGE FlexibleInstances      #-}
{-# LANGUAGE FunctionalDependencies #-}
{-# LANGUAGE OverloadedStrings      #-}
{-# LANGUAGE RankNTypes             #-}
{-# LANGUAGE ScopedTypeVariables    #-}
-- | This module provides @newtype@ wrappers to be used with "Distribution.FieldGrammar".
module Distribution.FieldGrammar.Newtypes (
    -- * List
    alaList,
    alaList',
    -- ** Modifiers
    CommaVCat (..),
    CommaFSep (..),
    VCat (..),
    FSep (..),
    NoCommaFSep (..),
    Sep (..),
    -- ** Type
    List,
    -- ** Set
    alaSet,
    alaSet',
    Set',
    -- ** NonEmpty
    alaNonEmpty,
    alaNonEmpty',
    NonEmpty',
    -- * Version & License
    SpecVersion (..),
    TestedWith (..),
    SpecLicense (..),
    -- * Identifiers
    Token (..),
    Token' (..),
    MQuoted (..),
    FilePathNT (..),
    ) where

import Distribution.Compat.Newtype
import Distribution.Compat.Prelude
import Prelude ()

import Distribution.CabalSpecVersion
import Distribution.Compiler         (CompilerFlavor)
import Distribution.License          (License)
import Distribution.Parsec
import Distribution.Pretty
import Distribution.Version
       (LowerBound (..), Version, VersionInterval (..), VersionRange, VersionRangeF (..), anyVersion, asVersionIntervals, cataVersionRange, mkVersion,
       version0, versionNumbers)
import Text.PrettyPrint              (Doc, comma, fsep, punctuate, text, vcat)

import qualified Data.List.NonEmpty              as NE
import qualified Data.Set                        as Set
import qualified Distribution.Compat.CharParsing as P
import qualified Distribution.SPDX               as SPDX

-- | Vertical list with commas. Displayed with 'vcat'
data CommaVCat = CommaVCat

-- | Paragraph fill list with commas. Displayed with 'fsep'
data CommaFSep = CommaFSep

-- | Vertical list with optional commas. Displayed with 'vcat'.
data VCat = VCat

-- | Paragraph fill list with optional commas. Displayed with 'fsep'.
data FSep = FSep

-- | Paragraph fill list without commas. Displayed with 'fsep'.
data NoCommaFSep = NoCommaFSep

class    Sep sep  where
    prettySep :: Proxy sep -> [Doc] -> Doc

    parseSep   :: CabalParsing m => Proxy sep -> m a -> m [a]
    parseSepNE :: CabalParsing m => Proxy sep -> m a -> m (NonEmpty a)

instance Sep CommaVCat where
    prettySep :: Proxy CommaVCat -> [Doc] -> Doc
prettySep  Proxy CommaVCat
_ = [Doc] -> Doc
vcat ([Doc] -> Doc) -> ([Doc] -> [Doc]) -> [Doc] -> Doc
forall b c a. (b -> c) -> (a -> b) -> a -> c
. Doc -> [Doc] -> [Doc]
punctuate Doc
comma
    parseSep :: forall (m :: * -> *) a.
CabalParsing m =>
Proxy CommaVCat -> m a -> m [a]
parseSep   Proxy CommaVCat
_ m a
p = do
        CabalSpecVersion
v <- m CabalSpecVersion
forall (m :: * -> *). CabalParsing m => m CabalSpecVersion
askCabalSpecVersion
        if CabalSpecVersion
v CabalSpecVersion -> CabalSpecVersion -> Bool
forall a. Ord a => a -> a -> Bool
>= CabalSpecVersion
CabalSpecV2_2 then m a -> m [a]
forall (m :: * -> *) a. CabalParsing m => m a -> m [a]
parsecLeadingCommaList m a
p else m a -> m [a]
forall (m :: * -> *) a. CabalParsing m => m a -> m [a]
parsecCommaList m a
p
    parseSepNE :: forall (m :: * -> *) a.
CabalParsing m =>
Proxy CommaVCat -> m a -> m (NonEmpty a)
parseSepNE Proxy CommaVCat
_ m a
p = do
        CabalSpecVersion
v <- m CabalSpecVersion
forall (m :: * -> *). CabalParsing m => m CabalSpecVersion
askCabalSpecVersion
        if CabalSpecVersion
v CabalSpecVersion -> CabalSpecVersion -> Bool
forall a. Ord a => a -> a -> Bool
>= CabalSpecVersion
CabalSpecV2_2 then m a -> m (NonEmpty a)
forall (m :: * -> *) a. CabalParsing m => m a -> m (NonEmpty a)
parsecLeadingCommaNonEmpty m a
p else m a -> m (NonEmpty a)
forall (m :: * -> *) a. CabalParsing m => m a -> m (NonEmpty a)
parsecCommaNonEmpty m a
p
instance Sep CommaFSep where
    prettySep :: Proxy CommaFSep -> [Doc] -> Doc
prettySep Proxy CommaFSep
_ = [Doc] -> Doc
fsep ([Doc] -> Doc) -> ([Doc] -> [Doc]) -> [Doc] -> Doc
forall b c a. (b -> c) -> (a -> b) -> a -> c
. Doc -> [Doc] -> [Doc]
punctuate Doc
comma
    parseSep :: forall (m :: * -> *) a.
CabalParsing m =>
Proxy CommaFSep -> m a -> m [a]
parseSep   Proxy CommaFSep
_ m a
p = do
        CabalSpecVersion
v <- m CabalSpecVersion
forall (m :: * -> *). CabalParsing m => m CabalSpecVersion
askCabalSpecVersion
        if CabalSpecVersion
v CabalSpecVersion -> CabalSpecVersion -> Bool
forall a. Ord a => a -> a -> Bool
>= CabalSpecVersion
CabalSpecV2_2 then m a -> m [a]
forall (m :: * -> *) a. CabalParsing m => m a -> m [a]
parsecLeadingCommaList m a
p else m a -> m [a]
forall (m :: * -> *) a. CabalParsing m => m a -> m [a]
parsecCommaList m a
p
    parseSepNE :: forall (m :: * -> *) a.
CabalParsing m =>
Proxy CommaFSep -> m a -> m (NonEmpty a)
parseSepNE Proxy CommaFSep
_ m a
p = do
        CabalSpecVersion
v <- m CabalSpecVersion
forall (m :: * -> *). CabalParsing m => m CabalSpecVersion
askCabalSpecVersion
        if CabalSpecVersion
v CabalSpecVersion -> CabalSpecVersion -> Bool
forall a. Ord a => a -> a -> Bool
>= CabalSpecVersion
CabalSpecV2_2 then m a -> m (NonEmpty a)
forall (m :: * -> *) a. CabalParsing m => m a -> m (NonEmpty a)
parsecLeadingCommaNonEmpty m a
p else m a -> m (NonEmpty a)
forall (m :: * -> *) a. CabalParsing m => m a -> m (NonEmpty a)
parsecCommaNonEmpty m a
p
instance Sep VCat where
    prettySep :: Proxy VCat -> [Doc] -> Doc
prettySep Proxy VCat
_  = [Doc] -> Doc
vcat
    parseSep :: forall (m :: * -> *) a.
CabalParsing m =>
Proxy VCat -> m a -> m [a]
parseSep   Proxy VCat
_ m a
p = do
        CabalSpecVersion
v <- m CabalSpecVersion
forall (m :: * -> *). CabalParsing m => m CabalSpecVersion
askCabalSpecVersion
        if CabalSpecVersion
v CabalSpecVersion -> CabalSpecVersion -> Bool
forall a. Ord a => a -> a -> Bool
>= CabalSpecVersion
CabalSpecV3_0 then m a -> m [a]
forall (m :: * -> *) a. CabalParsing m => m a -> m [a]
parsecLeadingOptCommaList m a
p else m a -> m [a]
forall (m :: * -> *) a. CabalParsing m => m a -> m [a]
parsecOptCommaList m a
p
    parseSepNE :: forall (m :: * -> *) a.
CabalParsing m =>
Proxy VCat -> m a -> m (NonEmpty a)
parseSepNE Proxy VCat
_ m a
p = m a -> m (NonEmpty a)
forall (f :: * -> *) a. Alternative f => f a -> f (NonEmpty a)
NE.some1 (m a
p m a -> m () -> m a
forall a b. m a -> m b -> m a
forall (f :: * -> *) a b. Applicative f => f a -> f b -> f a
<* m ()
forall (m :: * -> *). CharParsing m => m ()
P.spaces)
instance Sep FSep where
    prettySep :: Proxy FSep -> [Doc] -> Doc
prettySep Proxy FSep
_  = [Doc] -> Doc
fsep
    parseSep :: forall (m :: * -> *) a.
CabalParsing m =>
Proxy FSep -> m a -> m [a]
parseSep   Proxy FSep
_ m a
p = do
        CabalSpecVersion
v <- m CabalSpecVersion
forall (m :: * -> *). CabalParsing m => m CabalSpecVersion
askCabalSpecVersion
        if CabalSpecVersion
v CabalSpecVersion -> CabalSpecVersion -> Bool
forall a. Ord a => a -> a -> Bool
>= CabalSpecVersion
CabalSpecV3_0 then m a -> m [a]
forall (m :: * -> *) a. CabalParsing m => m a -> m [a]
parsecLeadingOptCommaList m a
p else m a -> m [a]
forall (m :: * -> *) a. CabalParsing m => m a -> m [a]
parsecOptCommaList m a
p
    parseSepNE :: forall (m :: * -> *) a.
CabalParsing m =>
Proxy FSep -> m a -> m (NonEmpty a)
parseSepNE Proxy FSep
_ m a
p = m a -> m (NonEmpty a)
forall (f :: * -> *) a. Alternative f => f a -> f (NonEmpty a)
NE.some1 (m a
p m a -> m () -> m a
forall a b. m a -> m b -> m a
forall (f :: * -> *) a b. Applicative f => f a -> f b -> f a
<* m ()
forall (m :: * -> *). CharParsing m => m ()
P.spaces)
instance Sep NoCommaFSep where
    prettySep :: Proxy NoCommaFSep -> [Doc] -> Doc
prettySep Proxy NoCommaFSep
_    = [Doc] -> Doc
fsep
    parseSep :: forall (m :: * -> *) a.
CabalParsing m =>
Proxy NoCommaFSep -> m a -> m [a]
parseSep  Proxy NoCommaFSep
_ m a
p  = m a -> m [a]
forall a. m a -> m [a]
forall (f :: * -> *) a. Alternative f => f a -> f [a]
many (m a
p m a -> m () -> m a
forall a b. m a -> m b -> m a
forall (f :: * -> *) a b. Applicative f => f a -> f b -> f a
<* m ()
forall (m :: * -> *). CharParsing m => m ()
P.spaces)
    parseSepNE :: forall (m :: * -> *) a.
CabalParsing m =>
Proxy NoCommaFSep -> m a -> m (NonEmpty a)
parseSepNE Proxy NoCommaFSep
_ m a
p = m a -> m (NonEmpty a)
forall (f :: * -> *) a. Alternative f => f a -> f (NonEmpty a)
NE.some1 (m a
p m a -> m () -> m a
forall a b. m a -> m b -> m a
forall (f :: * -> *) a b. Applicative f => f a -> f b -> f a
<* m ()
forall (m :: * -> *). CharParsing m => m ()
P.spaces)

-- | List separated with optional commas. Displayed with @sep@, arguments of
-- type @a@ are parsed and pretty-printed as @b@.
newtype List sep b a = List { forall sep b a. List sep b a -> [a]
_getList :: [a] }

-- | 'alaList' and 'alaList'' are simply 'List', with additional phantom
-- arguments to constrain the resulting type
--
-- >>> :t alaList VCat
-- alaList VCat :: [a] -> List VCat (Identity a) a
--
-- >>> :t alaList' FSep Token
-- alaList' FSep Token :: [String] -> List FSep Token String
--
alaList :: sep -> [a] -> List sep (Identity a) a
alaList :: forall sep a. sep -> [a] -> List sep (Identity a) a
alaList sep
_ = [a] -> List sep (Identity a) a
forall sep b a. [a] -> List sep b a
List

-- | More general version of 'alaList'.
alaList' :: sep -> (a -> b) -> [a] -> List sep b a
alaList' :: forall sep a b. sep -> (a -> b) -> [a] -> List sep b a
alaList' sep
_ a -> b
_ = [a] -> List sep b a
forall sep b a. [a] -> List sep b a
List

instance Newtype [a] (List sep wrapper a)

instance (Newtype a b, Sep sep, Parsec b) => Parsec (List sep b a) where
    parsec :: forall (m :: * -> *). CabalParsing m => m (List sep b a)
parsec   = [a] -> List sep b a
forall o n. Newtype o n => o -> n
pack ([a] -> List sep b a) -> ([b] -> [a]) -> [b] -> List sep b a
forall b c a. (b -> c) -> (a -> b) -> a -> c
. (b -> a) -> [b] -> [a]
forall a b. (a -> b) -> [a] -> [b]
map (b -> a
forall o n. Newtype o n => n -> o
unpack :: b -> a) ([b] -> List sep b a) -> m [b] -> m (List sep b a)
forall (f :: * -> *) a b. Functor f => (a -> b) -> f a -> f b
<$> Proxy sep -> m b -> m [b]
forall sep (m :: * -> *) a.
(Sep sep, CabalParsing m) =>
Proxy sep -> m a -> m [a]
forall (m :: * -> *) a. CabalParsing m => Proxy sep -> m a -> m [a]
parseSep (Proxy sep
forall {k} (t :: k). Proxy t
Proxy :: Proxy sep) m b
forall a (m :: * -> *). (Parsec a, CabalParsing m) => m a
forall (m :: * -> *). CabalParsing m => m b
parsec

instance (Newtype a b, Sep sep, Pretty b) => Pretty (List sep b a) where
    pretty :: List sep b a -> Doc
pretty = Proxy sep -> [Doc] -> Doc
forall sep. Sep sep => Proxy sep -> [Doc] -> Doc
prettySep (Proxy sep
forall {k} (t :: k). Proxy t
Proxy :: Proxy sep) ([Doc] -> Doc) -> (List sep b a -> [Doc]) -> List sep b a -> Doc
forall b c a. (b -> c) -> (a -> b) -> a -> c
. (a -> Doc) -> [a] -> [Doc]
forall a b. (a -> b) -> [a] -> [b]
map (b -> Doc
forall a. Pretty a => a -> Doc
pretty (b -> Doc) -> (a -> b) -> a -> Doc
forall b c a. (b -> c) -> (a -> b) -> a -> c
. (a -> b
forall o n. Newtype o n => o -> n
pack :: a -> b)) ([a] -> [Doc]) -> (List sep b a -> [a]) -> List sep b a -> [Doc]
forall b c a. (b -> c) -> (a -> b) -> a -> c
. List sep b a -> [a]
forall o n. Newtype o n => n -> o
unpack

--
-- | Like 'List', but for 'Set'.
--
-- @since 3.2.0.0
newtype Set' sep b a = Set' { forall sep b a. Set' sep b a -> Set a
_getSet :: Set a }

-- | 'alaSet' and 'alaSet'' are simply 'Set'' constructor, with additional phantom
-- arguments to constrain the resulting type
--
-- >>> :t alaSet VCat
-- alaSet VCat :: Set a -> Set' VCat (Identity a) a
--
-- >>> :t alaSet' FSep Token
-- alaSet' FSep Token :: Set String -> Set' FSep Token String
--
-- >>> unpack' (alaSet' FSep Token) <$> eitherParsec "foo bar foo"
-- Right (fromList ["bar","foo"])
--
-- @since 3.2.0.0
alaSet :: sep -> Set a -> Set' sep (Identity a) a
alaSet :: forall sep a. sep -> Set a -> Set' sep (Identity a) a
alaSet sep
_ = Set a -> Set' sep (Identity a) a
forall sep b a. Set a -> Set' sep b a
Set'

-- | More general version of 'alaSet'.
--
-- @since 3.2.0.0
alaSet' :: sep -> (a -> b) -> Set a -> Set' sep b a
alaSet' :: forall sep a b. sep -> (a -> b) -> Set a -> Set' sep b a
alaSet' sep
_ a -> b
_ = Set a -> Set' sep b a
forall sep b a. Set a -> Set' sep b a
Set'

instance Newtype (Set a) (Set' sep wrapper a)

instance (Newtype a b, Ord a, Sep sep, Parsec b) => Parsec (Set' sep b a) where
    parsec :: forall (m :: * -> *). CabalParsing m => m (Set' sep b a)
parsec   = Set a -> Set' sep b a
forall o n. Newtype o n => o -> n
pack (Set a -> Set' sep b a) -> ([b] -> Set a) -> [b] -> Set' sep b a
forall b c a. (b -> c) -> (a -> b) -> a -> c
. [a] -> Set a
forall a. Ord a => [a] -> Set a
Set.fromList ([a] -> Set a) -> ([b] -> [a]) -> [b] -> Set a
forall b c a. (b -> c) -> (a -> b) -> a -> c
. (b -> a) -> [b] -> [a]
forall a b. (a -> b) -> [a] -> [b]
map (b -> a
forall o n. Newtype o n => n -> o
unpack :: b -> a) ([b] -> Set' sep b a) -> m [b] -> m (Set' sep b a)
forall (f :: * -> *) a b. Functor f => (a -> b) -> f a -> f b
<$> Proxy sep -> m b -> m [b]
forall sep (m :: * -> *) a.
(Sep sep, CabalParsing m) =>
Proxy sep -> m a -> m [a]
forall (m :: * -> *) a. CabalParsing m => Proxy sep -> m a -> m [a]
parseSep (Proxy sep
forall {k} (t :: k). Proxy t
Proxy :: Proxy sep) m b
forall a (m :: * -> *). (Parsec a, CabalParsing m) => m a
forall (m :: * -> *). CabalParsing m => m b
parsec

instance (Newtype a b, Sep sep, Pretty b) => Pretty (Set' sep b a) where
    pretty :: Set' sep b a -> Doc
pretty = Proxy sep -> [Doc] -> Doc
forall sep. Sep sep => Proxy sep -> [Doc] -> Doc
prettySep (Proxy sep
forall {k} (t :: k). Proxy t
Proxy :: Proxy sep) ([Doc] -> Doc) -> (Set' sep b a -> [Doc]) -> Set' sep b a -> Doc
forall b c a. (b -> c) -> (a -> b) -> a -> c
. (a -> Doc) -> [a] -> [Doc]
forall a b. (a -> b) -> [a] -> [b]
map (b -> Doc
forall a. Pretty a => a -> Doc
pretty (b -> Doc) -> (a -> b) -> a -> Doc
forall b c a. (b -> c) -> (a -> b) -> a -> c
. (a -> b
forall o n. Newtype o n => o -> n
pack :: a -> b)) ([a] -> [Doc]) -> (Set' sep b a -> [a]) -> Set' sep b a -> [Doc]
forall b c a. (b -> c) -> (a -> b) -> a -> c
. Set a -> [a]
forall a. Set a -> [a]
Set.toList (Set a -> [a]) -> (Set' sep b a -> Set a) -> Set' sep b a -> [a]
forall b c a. (b -> c) -> (a -> b) -> a -> c
. Set' sep b a -> Set a
forall o n. Newtype o n => n -> o
unpack

--
-- | Like 'List', but for 'NonEmpty'.
--
-- @since 3.2.0.0
newtype NonEmpty' sep b a = NonEmpty' { forall sep b a. NonEmpty' sep b a -> NonEmpty a
_getNonEmpty :: NonEmpty a }

-- | 'alaNonEmpty' and 'alaNonEmpty'' are simply 'NonEmpty'' constructor, with additional phantom
-- arguments to constrain the resulting type
--
-- >>> :t alaNonEmpty VCat
-- alaNonEmpty VCat :: NonEmpty a -> NonEmpty' VCat (Identity a) a
--
-- >>> unpack' (alaNonEmpty' FSep Token) <$> eitherParsec "foo bar foo"
-- Right ("foo" :| ["bar","foo"])
--
-- @since 3.2.0.0
alaNonEmpty :: sep -> NonEmpty a -> NonEmpty' sep (Identity a) a
alaNonEmpty :: forall sep a. sep -> NonEmpty a -> NonEmpty' sep (Identity a) a
alaNonEmpty sep
_ = NonEmpty a -> NonEmpty' sep (Identity a) a
forall sep b a. NonEmpty a -> NonEmpty' sep b a
NonEmpty'

-- | More general version of 'alaNonEmpty'.
--
-- @since 3.2.0.0
alaNonEmpty' :: sep -> (a -> b) -> NonEmpty a -> NonEmpty' sep b a
alaNonEmpty' :: forall sep a b. sep -> (a -> b) -> NonEmpty a -> NonEmpty' sep b a
alaNonEmpty' sep
_ a -> b
_ = NonEmpty a -> NonEmpty' sep b a
forall sep b a. NonEmpty a -> NonEmpty' sep b a
NonEmpty'

instance Newtype (NonEmpty a) (NonEmpty' sep wrapper a)

instance (Newtype a b, Sep sep, Parsec b) => Parsec (NonEmpty' sep b a) where
    parsec :: forall (m :: * -> *). CabalParsing m => m (NonEmpty' sep b a)
parsec   = NonEmpty a -> NonEmpty' sep b a
forall o n. Newtype o n => o -> n
pack (NonEmpty a -> NonEmpty' sep b a)
-> (NonEmpty b -> NonEmpty a) -> NonEmpty b -> NonEmpty' sep b a
forall b c a. (b -> c) -> (a -> b) -> a -> c
. (b -> a) -> NonEmpty b -> NonEmpty a
forall a b. (a -> b) -> NonEmpty a -> NonEmpty b
forall (f :: * -> *) a b. Functor f => (a -> b) -> f a -> f b
fmap (b -> a
forall o n. Newtype o n => n -> o
unpack :: b -> a) (NonEmpty b -> NonEmpty' sep b a)
-> m (NonEmpty b) -> m (NonEmpty' sep b a)
forall (f :: * -> *) a b. Functor f => (a -> b) -> f a -> f b
<$> Proxy sep -> m b -> m (NonEmpty b)
forall sep (m :: * -> *) a.
(Sep sep, CabalParsing m) =>
Proxy sep -> m a -> m (NonEmpty a)
forall (m :: * -> *) a.
CabalParsing m =>
Proxy sep -> m a -> m (NonEmpty a)
parseSepNE (Proxy sep
forall {k} (t :: k). Proxy t
Proxy :: Proxy sep) m b
forall a (m :: * -> *). (Parsec a, CabalParsing m) => m a
forall (m :: * -> *). CabalParsing m => m b
parsec

instance (Newtype a b, Sep sep, Pretty b) => Pretty (NonEmpty' sep b a) where
    pretty :: NonEmpty' sep b a -> Doc
pretty = Proxy sep -> [Doc] -> Doc
forall sep. Sep sep => Proxy sep -> [Doc] -> Doc
prettySep (Proxy sep
forall {k} (t :: k). Proxy t
Proxy :: Proxy sep) ([Doc] -> Doc)
-> (NonEmpty' sep b a -> [Doc]) -> NonEmpty' sep b a -> Doc
forall b c a. (b -> c) -> (a -> b) -> a -> c
. (a -> Doc) -> [a] -> [Doc]
forall a b. (a -> b) -> [a] -> [b]
map (b -> Doc
forall a. Pretty a => a -> Doc
pretty (b -> Doc) -> (a -> b) -> a -> Doc
forall b c a. (b -> c) -> (a -> b) -> a -> c
. (a -> b
forall o n. Newtype o n => o -> n
pack :: a -> b)) ([a] -> [Doc])
-> (NonEmpty' sep b a -> [a]) -> NonEmpty' sep b a -> [Doc]
forall b c a. (b -> c) -> (a -> b) -> a -> c
. NonEmpty a -> [a]
forall a. NonEmpty a -> [a]
NE.toList (NonEmpty a -> [a])
-> (NonEmpty' sep b a -> NonEmpty a) -> NonEmpty' sep b a -> [a]
forall b c a. (b -> c) -> (a -> b) -> a -> c
. NonEmpty' sep b a -> NonEmpty a
forall o n. Newtype o n => n -> o
unpack

-------------------------------------------------------------------------------
-- Identifiers
-------------------------------------------------------------------------------

-- | Haskell string or @[^ ,]+@
newtype Token = Token { Token -> String
getToken :: String }

instance Newtype String Token

instance Parsec Token where
    parsec :: forall (m :: * -> *). CabalParsing m => m Token
parsec = String -> Token
forall o n. Newtype o n => o -> n
pack (String -> Token) -> m String -> m Token
forall (f :: * -> *) a b. Functor f => (a -> b) -> f a -> f b
<$> m String
forall (m :: * -> *). CabalParsing m => m String
parsecToken

instance Pretty Token where
    pretty :: Token -> Doc
pretty = String -> Doc
showToken (String -> Doc) -> (Token -> String) -> Token -> Doc
forall b c a. (b -> c) -> (a -> b) -> a -> c
. Token -> String
forall o n. Newtype o n => n -> o
unpack

-- | Haskell string or @[^ ]+@
newtype Token' = Token' { Token' -> String
getToken' :: String }

instance Newtype String Token'

instance Parsec Token' where
    parsec :: forall (m :: * -> *). CabalParsing m => m Token'
parsec = String -> Token'
forall o n. Newtype o n => o -> n
pack (String -> Token') -> m String -> m Token'
forall (f :: * -> *) a b. Functor f => (a -> b) -> f a -> f b
<$> m String
forall (m :: * -> *). CabalParsing m => m String
parsecToken'

instance Pretty Token' where
    pretty :: Token' -> Doc
pretty = String -> Doc
showToken (String -> Doc) -> (Token' -> String) -> Token' -> Doc
forall b c a. (b -> c) -> (a -> b) -> a -> c
. Token' -> String
forall o n. Newtype o n => n -> o
unpack

-- | Either @"quoted"@ or @un-quoted@.
newtype MQuoted a = MQuoted { forall a. MQuoted a -> a
getMQuoted :: a }

instance Newtype a (MQuoted a)

instance Parsec a => Parsec (MQuoted a) where
    parsec :: forall (m :: * -> *). CabalParsing m => m (MQuoted a)
parsec = a -> MQuoted a
forall o n. Newtype o n => o -> n
pack (a -> MQuoted a) -> m a -> m (MQuoted a)
forall (f :: * -> *) a b. Functor f => (a -> b) -> f a -> f b
<$> m a -> m a
forall (m :: * -> *) a. CabalParsing m => m a -> m a
parsecMaybeQuoted m a
forall a (m :: * -> *). (Parsec a, CabalParsing m) => m a
forall (m :: * -> *). CabalParsing m => m a
parsec

instance Pretty a => Pretty (MQuoted a)  where
    pretty :: MQuoted a -> Doc
pretty = a -> Doc
forall a. Pretty a => a -> Doc
pretty (a -> Doc) -> (MQuoted a -> a) -> MQuoted a -> Doc
forall b c a. (b -> c) -> (a -> b) -> a -> c
. MQuoted a -> a
forall o n. Newtype o n => n -> o
unpack

-- | Filepath are parsed as 'Token'.
newtype FilePathNT = FilePathNT { FilePathNT -> String
getFilePathNT :: String }

instance Newtype String FilePathNT

instance Parsec FilePathNT where
    parsec :: forall (m :: * -> *). CabalParsing m => m FilePathNT
parsec = do
        String
token <- m String
forall (m :: * -> *). CabalParsing m => m String
parsecToken
        if String -> Bool
forall a. [a] -> Bool
forall (t :: * -> *) a. Foldable t => t a -> Bool
null String
token
        then String -> m FilePathNT
forall a. String -> m a
forall (m :: * -> *) a. Parsing m => String -> m a
P.unexpected String
"empty FilePath"
        else FilePathNT -> m FilePathNT
forall a. a -> m a
forall (m :: * -> *) a. Monad m => a -> m a
return (String -> FilePathNT
FilePathNT String
token)

instance Pretty FilePathNT where
    pretty :: FilePathNT -> Doc
pretty = String -> Doc
showFilePath (String -> Doc) -> (FilePathNT -> String) -> FilePathNT -> Doc
forall b c a. (b -> c) -> (a -> b) -> a -> c
. FilePathNT -> String
forall o n. Newtype o n => n -> o
unpack

-------------------------------------------------------------------------------
-- SpecVersion
-------------------------------------------------------------------------------

-- | Version range or just version, i.e. @cabal-version@ field.
--
-- There are few things to consider:
--
-- * Starting with 2.2 the cabal-version field should be the first field in the
--   file and only exact version is accepted. Therefore if we get e.g.
--   @>= 2.2@, we fail.
--   See <https://github.com/haskell/cabal/issues/4899>
--
-- We have this newtype, as writing Parsec and Pretty instances
-- for CabalSpecVersion would cause cycle in modules:
--     Version -> CabalSpecVersion -> Parsec -> ...
--
newtype SpecVersion = SpecVersion { SpecVersion -> CabalSpecVersion
getSpecVersion :: CabalSpecVersion }
  deriving (SpecVersion -> SpecVersion -> Bool
(SpecVersion -> SpecVersion -> Bool)
-> (SpecVersion -> SpecVersion -> Bool) -> Eq SpecVersion
forall a. (a -> a -> Bool) -> (a -> a -> Bool) -> Eq a
$c== :: SpecVersion -> SpecVersion -> Bool
== :: SpecVersion -> SpecVersion -> Bool
$c/= :: SpecVersion -> SpecVersion -> Bool
/= :: SpecVersion -> SpecVersion -> Bool
Eq, Int -> SpecVersion -> ShowS
[SpecVersion] -> ShowS
SpecVersion -> String
(Int -> SpecVersion -> ShowS)
-> (SpecVersion -> String)
-> ([SpecVersion] -> ShowS)
-> Show SpecVersion
forall a.
(Int -> a -> ShowS) -> (a -> String) -> ([a] -> ShowS) -> Show a
$cshowsPrec :: Int -> SpecVersion -> ShowS
showsPrec :: Int -> SpecVersion -> ShowS
$cshow :: SpecVersion -> String
show :: SpecVersion -> String
$cshowList :: [SpecVersion] -> ShowS
showList :: [SpecVersion] -> ShowS
Show) -- instances needed for tests

instance Newtype CabalSpecVersion SpecVersion

instance Parsec SpecVersion where
    parsec :: forall (m :: * -> *). CabalParsing m => m SpecVersion
parsec = do
        Either Version VersionRange
e <- m (Either Version VersionRange)
parsecSpecVersion
        let ver    :: Version
            ver :: Version
ver    = (Version -> Version)
-> (VersionRange -> Version)
-> Either Version VersionRange
-> Version
forall a c b. (a -> c) -> (b -> c) -> Either a b -> c
either Version -> Version
forall a. a -> a
id VersionRange -> Version
specVersionFromRange Either Version VersionRange
e

            digits :: [Int]
            digits :: [Int]
digits = Version -> [Int]
versionNumbers Version
ver

        case [Int] -> Maybe CabalSpecVersion
cabalSpecFromVersionDigits [Int]
digits of
            Maybe CabalSpecVersion
Nothing  -> String -> m SpecVersion
forall a. String -> m a
forall (m :: * -> *) a. MonadFail m => String -> m a
fail (String -> m SpecVersion) -> String -> m SpecVersion
forall a b. (a -> b) -> a -> b
$ String
"Unknown cabal spec version specified: " String -> ShowS
forall a. [a] -> [a] -> [a]
++ Version -> String
forall a. Pretty a => a -> String
prettyShow Version
ver
            Just CabalSpecVersion
csv -> do
                -- Check some warnings:
                case Either Version VersionRange
e of
                    -- example:   cabal-version: 1.10
                    -- should be  cabal-version: >=1.10
                    Left Version
_v | CabalSpecVersion
csv CabalSpecVersion -> CabalSpecVersion -> Bool
forall a. Ord a => a -> a -> Bool
< CabalSpecVersion
CabalSpecV1_12 -> PWarnType -> String -> m ()
forall (m :: * -> *). CabalParsing m => PWarnType -> String -> m ()
parsecWarning PWarnType
PWTSpecVersion (String -> m ()) -> String -> m ()
forall a b. (a -> b) -> a -> b
$ [String] -> String
forall (t :: * -> *) a. Foldable t => t [a] -> [a]
concat
                        [ String
"With 1.10 or earlier, the 'cabal-version' field must use "
                        , String
"range syntax rather than a simple version number. Use "
                        , String
"'cabal-version: >= " String -> ShowS
forall a. [a] -> [a] -> [a]
++ Version -> String
forall a. Pretty a => a -> String
prettyShow Version
ver String -> ShowS
forall a. [a] -> [a] -> [a]
++ String
"'."
                        ]

                    -- example:   cabal-version: >=1.12
                    -- should be  cabal-version: 1.12
                    Right VersionRange
_vr | CabalSpecVersion
csv CabalSpecVersion -> CabalSpecVersion -> Bool
forall a. Ord a => a -> a -> Bool
>= CabalSpecVersion
CabalSpecV1_12 -> PWarnType -> String -> m ()
forall (m :: * -> *). CabalParsing m => PWarnType -> String -> m ()
parsecWarning PWarnType
PWTSpecVersion (String -> m ()) -> String -> m ()
forall a b. (a -> b) -> a -> b
$ [String] -> String
forall (t :: * -> *) a. Foldable t => t [a] -> [a]
concat
                        [ String
"Packages with 'cabal-version: 1.12' or later should specify a "
                        , String
"specific version of the Cabal spec of the form "
                        , String
"'cabal-version: x.y'. "
                        , String
"Use 'cabal-version: " String -> ShowS
forall a. [a] -> [a] -> [a]
++ Version -> String
forall a. Pretty a => a -> String
prettyShow Version
ver String -> ShowS
forall a. [a] -> [a] -> [a]
++ String
"'."
                        ]

                    -- example:   cabal-version: >=1.10 && <1.12
                    -- should be  cabal-version: >=1.10
                    Right VersionRange
vr | CabalSpecVersion
csv CabalSpecVersion -> CabalSpecVersion -> Bool
forall a. Ord a => a -> a -> Bool
< CabalSpecVersion
CabalSpecV1_12
                            , Bool -> Bool
not (VersionRange -> Bool
simpleSpecVersionRangeSyntax VersionRange
vr) -> PWarnType -> String -> m ()
forall (m :: * -> *). CabalParsing m => PWarnType -> String -> m ()
parsecWarning PWarnType
PWTSpecVersion (String -> m ()) -> String -> m ()
forall a b. (a -> b) -> a -> b
$ [String] -> String
forall (t :: * -> *) a. Foldable t => t [a] -> [a]
concat
                        [ String
"It is recommended that the 'cabal-version' field only specify a "
                        , String
"version range of the form '>= x.y' for older cabal versions. Use "
                        , String
"'cabal-version: >= " String -> ShowS
forall a. [a] -> [a] -> [a]
++ Version -> String
forall a. Pretty a => a -> String
prettyShow Version
ver String -> ShowS
forall a. [a] -> [a] -> [a]
++ String
"'. "
                        , String
"Tools based on Cabal 1.10 and later will ignore upper bounds."
                        ]

                    -- otherwise no warnings
                    Either Version VersionRange
_ -> () -> m ()
forall a. a -> m a
forall (f :: * -> *) a. Applicative f => a -> f a
pure ()

                SpecVersion -> m SpecVersion
forall a. a -> m a
forall (m :: * -> *) a. Monad m => a -> m a
return (CabalSpecVersion -> SpecVersion
forall o n. Newtype o n => o -> n
pack CabalSpecVersion
csv)
      where
        parsecSpecVersion :: m (Either Version VersionRange)
parsecSpecVersion = Version -> Either Version VersionRange
forall a b. a -> Either a b
Left (Version -> Either Version VersionRange)
-> m Version -> m (Either Version VersionRange)
forall (f :: * -> *) a b. Functor f => (a -> b) -> f a -> f b
<$> m Version
forall a (m :: * -> *). (Parsec a, CabalParsing m) => m a
forall (m :: * -> *). CabalParsing m => m Version
parsec m (Either Version VersionRange)
-> m (Either Version VersionRange)
-> m (Either Version VersionRange)
forall a. m a -> m a -> m a
forall (f :: * -> *) a. Alternative f => f a -> f a -> f a
<|> VersionRange -> Either Version VersionRange
forall a b. b -> Either a b
Right (VersionRange -> Either Version VersionRange)
-> m VersionRange -> m (Either Version VersionRange)
forall (f :: * -> *) a b. Functor f => (a -> b) -> f a -> f b
<$> m VersionRange
range

        range :: m VersionRange
range = do
            VersionRange
vr <- m VersionRange
forall a (m :: * -> *). (Parsec a, CabalParsing m) => m a
forall (m :: * -> *). CabalParsing m => m VersionRange
parsec
            if VersionRange -> Version
specVersionFromRange VersionRange
vr Version -> Version -> Bool
forall a. Ord a => a -> a -> Bool
>= [Int] -> Version
mkVersion [Int
2,Int
1]
            then String -> m VersionRange
forall a. String -> m a
forall (m :: * -> *) a. MonadFail m => String -> m a
fail String
"cabal-version higher than 2.2 cannot be specified as a range. See https://github.com/haskell/cabal/issues/4899"
            else VersionRange -> m VersionRange
forall a. a -> m a
forall (m :: * -> *) a. Monad m => a -> m a
return VersionRange
vr

        specVersionFromRange :: VersionRange -> Version
        specVersionFromRange :: VersionRange -> Version
specVersionFromRange VersionRange
versionRange = case VersionRange -> [VersionInterval]
asVersionIntervals VersionRange
versionRange of
            []                                           -> Version
version0
            VersionInterval (LowerBound Version
version Bound
_) UpperBound
_ : [VersionInterval]
_ -> Version
version

        simpleSpecVersionRangeSyntax :: VersionRange -> Bool
simpleSpecVersionRangeSyntax = (VersionRangeF Bool -> Bool) -> VersionRange -> Bool
forall a. (VersionRangeF a -> a) -> VersionRange -> a
cataVersionRange VersionRangeF Bool -> Bool
forall {a}. VersionRangeF a -> Bool
alg where
            alg :: VersionRangeF a -> Bool
alg (OrLaterVersionF Version
_) = Bool
True
            alg VersionRangeF a
_                   = Bool
False


instance Pretty SpecVersion where
    pretty :: SpecVersion -> Doc
pretty (SpecVersion CabalSpecVersion
csv)
        | CabalSpecVersion
csv CabalSpecVersion -> CabalSpecVersion -> Bool
forall a. Ord a => a -> a -> Bool
>= CabalSpecVersion
CabalSpecV1_12 = String -> Doc
text (CabalSpecVersion -> String
showCabalSpecVersion CabalSpecVersion
csv)
        | Bool
otherwise             = String -> Doc
text String
">=" Doc -> Doc -> Doc
<<>> String -> Doc
text (CabalSpecVersion -> String
showCabalSpecVersion CabalSpecVersion
csv)

-------------------------------------------------------------------------------
-- SpecLicense
-------------------------------------------------------------------------------

-- | SPDX License expression or legacy license
newtype SpecLicense = SpecLicense { SpecLicense -> Either License License
getSpecLicense :: Either SPDX.License License }

instance Newtype (Either SPDX.License License) SpecLicense

instance Parsec SpecLicense where
    parsec :: forall (m :: * -> *). CabalParsing m => m SpecLicense
parsec = do
        CabalSpecVersion
v <- m CabalSpecVersion
forall (m :: * -> *). CabalParsing m => m CabalSpecVersion
askCabalSpecVersion
        if CabalSpecVersion
v CabalSpecVersion -> CabalSpecVersion -> Bool
forall a. Ord a => a -> a -> Bool
>= CabalSpecVersion
CabalSpecV2_2
        then Either License License -> SpecLicense
SpecLicense (Either License License -> SpecLicense)
-> (License -> Either License License) -> License -> SpecLicense
forall b c a. (b -> c) -> (a -> b) -> a -> c
. License -> Either License License
forall a b. a -> Either a b
Left (License -> SpecLicense) -> m License -> m SpecLicense
forall (f :: * -> *) a b. Functor f => (a -> b) -> f a -> f b
<$> m License
forall a (m :: * -> *). (Parsec a, CabalParsing m) => m a
forall (m :: * -> *). CabalParsing m => m License
parsec
        else Either License License -> SpecLicense
SpecLicense (Either License License -> SpecLicense)
-> (License -> Either License License) -> License -> SpecLicense
forall b c a. (b -> c) -> (a -> b) -> a -> c
. License -> Either License License
forall a b. b -> Either a b
Right (License -> SpecLicense) -> m License -> m SpecLicense
forall (f :: * -> *) a b. Functor f => (a -> b) -> f a -> f b
<$> m License
forall a (m :: * -> *). (Parsec a, CabalParsing m) => m a
forall (m :: * -> *). CabalParsing m => m License
parsec

instance Pretty SpecLicense where
    pretty :: SpecLicense -> Doc
pretty = (License -> Doc)
-> (License -> Doc) -> Either License License -> Doc
forall a c b. (a -> c) -> (b -> c) -> Either a b -> c
either License -> Doc
forall a. Pretty a => a -> Doc
pretty License -> Doc
forall a. Pretty a => a -> Doc
pretty (Either License License -> Doc)
-> (SpecLicense -> Either License License) -> SpecLicense -> Doc
forall b c a. (b -> c) -> (a -> b) -> a -> c
. SpecLicense -> Either License License
forall o n. Newtype o n => n -> o
unpack

-------------------------------------------------------------------------------
-- TestedWith
-------------------------------------------------------------------------------

-- | Version range or just version
newtype TestedWith = TestedWith { TestedWith -> (CompilerFlavor, VersionRange)
getTestedWith :: (CompilerFlavor, VersionRange) }

instance Newtype (CompilerFlavor, VersionRange) TestedWith

instance Parsec TestedWith where
    parsec :: forall (m :: * -> *). CabalParsing m => m TestedWith
parsec = (CompilerFlavor, VersionRange) -> TestedWith
forall o n. Newtype o n => o -> n
pack ((CompilerFlavor, VersionRange) -> TestedWith)
-> m (CompilerFlavor, VersionRange) -> m TestedWith
forall (f :: * -> *) a b. Functor f => (a -> b) -> f a -> f b
<$> m (CompilerFlavor, VersionRange)
forall (m :: * -> *).
CabalParsing m =>
m (CompilerFlavor, VersionRange)
parsecTestedWith

instance Pretty TestedWith where
    pretty :: TestedWith -> Doc
pretty TestedWith
x = case TestedWith -> (CompilerFlavor, VersionRange)
forall o n. Newtype o n => n -> o
unpack TestedWith
x of
        (CompilerFlavor
compiler, VersionRange
vr) -> CompilerFlavor -> Doc
forall a. Pretty a => a -> Doc
pretty CompilerFlavor
compiler Doc -> Doc -> Doc
<+> VersionRange -> Doc
forall a. Pretty a => a -> Doc
pretty VersionRange
vr

parsecTestedWith :: CabalParsing m => m (CompilerFlavor, VersionRange)
parsecTestedWith :: forall (m :: * -> *).
CabalParsing m =>
m (CompilerFlavor, VersionRange)
parsecTestedWith = do
    CompilerFlavor
name <- m CompilerFlavor
forall (m :: * -> *) a. (CabalParsing m, Parsec a) => m a
lexemeParsec
    VersionRange
ver  <- m VersionRange
forall a (m :: * -> *). (Parsec a, CabalParsing m) => m a
forall (m :: * -> *). CabalParsing m => m VersionRange
parsec m VersionRange -> m VersionRange -> m VersionRange
forall a. m a -> m a -> m a
forall (f :: * -> *) a. Alternative f => f a -> f a -> f a
<|> VersionRange -> m VersionRange
forall a. a -> m a
forall (f :: * -> *) a. Applicative f => a -> f a
pure VersionRange
anyVersion
    (CompilerFlavor, VersionRange) -> m (CompilerFlavor, VersionRange)
forall a. a -> m a
forall (m :: * -> *) a. Monad m => a -> m a
return (CompilerFlavor
name, VersionRange
ver)