{-# LANGUAGE CPP #-}
module GHC.SourceGen.Binds.Internal where
#if MIN_VERSION_ghc(9,0,0)
import GHC.Types.Basic (Origin(Generated))
import GHC.Data.Bag (listToBag)
#else
import BasicTypes (Origin(Generated))
import Bag (listToBag)
#endif
import GHC.Hs.Binds
import GHC.Hs.Decls
import GHC.Hs.Expr (MatchGroup(..), Match(..), GRHSs(..))
#if !MIN_VERSION_ghc(8,6,0)
import PlaceHolder (PlaceHolder(..))
#endif
import GHC.SourceGen.Pat.Internal (parenthesize)
import GHC.SourceGen.Syntax.Internal
data RawValBind
= SigV Sig'
| BindV HsBind'
valBinds :: [RawValBind] -> HsLocalBinds'
valBinds :: [RawValBind] -> HsLocalBinds'
valBinds [] = forall a. (NoExtField -> a) -> a
noExt forall idL idR. XEmptyLocalBinds idL idR -> HsLocalBindsLR idL idR
EmptyLocalBinds
valBinds [RawValBind]
vbs =
forall ann a. (EpAnn ann -> a) -> a
withEpAnnNotUsed forall idL idR.
XHsValBinds idL idR
-> HsValBindsLR idL idR -> HsLocalBindsLR idL idR
HsValBinds
#if MIN_VERSION_ghc(8,6,0)
forall a b. (a -> b) -> a -> b
$ forall a. (AnnSortKey -> a) -> a
withNoAnnSortKey forall idL idR.
XValBinds idL idR
-> LHsBindsLR idL idR -> [LSig idR] -> HsValBindsLR idL idR
ValBinds
#else
$ noExt ValBindsIn
#endif
(forall a. [a] -> Bag a
listToBag forall a b. (a -> b) -> a -> b
$ forall a b. (a -> b) -> [a] -> [b]
map forall a ann. a -> GenLocated (SrcSpanAnn ann) a
mkLocated [HsBind']
binds)
(forall a b. (a -> b) -> [a] -> [b]
map forall a ann. a -> GenLocated (SrcSpanAnn ann) a
mkLocated [Sig']
sigs)
where
sigs :: [Sig']
sigs = [Sig'
s | SigV Sig'
s <- [RawValBind]
vbs]
binds :: [HsBind']
binds = [HsBind'
b | BindV HsBind'
b <- [RawValBind]
vbs]
data RawMatch = RawMatch
{ RawMatch -> [Pat']
rawMatchPats :: [Pat']
, RawMatch -> RawGRHSs
rawMatchGRHSs :: RawGRHSs
}
data RawGRHSs = RawGRHSs
{ RawGRHSs -> [GuardedExpr]
rawGRHSs :: [GuardedExpr]
, RawGRHSs -> [RawValBind]
rawGRHSWhere :: [RawValBind]
}
matchGroup :: HsMatchContext' -> [RawMatch] -> MatchGroup' LHsExpr'
matchGroup :: HsMatchContext' -> [RawMatch] -> MatchGroup' LHsExpr'
matchGroup HsMatchContext'
context [RawMatch]
matches =
#if MIN_VERSION_ghc(9,6,0)
MG Generated
#else
forall a. (NoExtField -> a) -> a
noExt forall p body.
XMG p body -> XRec p [LMatch p body] -> Origin -> MatchGroup p body
MG
#endif
forall {ann} {ann}.
GenLocated
(SrcSpanAnn ann)
[GenLocated
(SrcSpanAnn ann)
(Match' (GenLocated (SrcSpanAnn AnnListItem) (HsExpr GhcPs)))]
matches'
#if !MIN_VERSION_ghc(8,6,0)
[] PlaceHolder
#elif !MIN_VERSION_ghc(9,6,0)
Origin
Generated
#endif
where
matches' :: GenLocated
(SrcSpanAnn ann)
[GenLocated
(SrcSpanAnn ann)
(Match' (GenLocated (SrcSpanAnn AnnListItem) (HsExpr GhcPs)))]
matches' = forall a ann. a -> GenLocated (SrcSpanAnn ann) a
mkLocated forall a b. (a -> b) -> a -> b
$ forall a b. (a -> b) -> [a] -> [b]
map (forall a ann. a -> GenLocated (SrcSpanAnn ann) a
mkLocated forall b c a. (b -> c) -> (a -> b) -> a -> c
. RawMatch -> Match' LHsExpr'
mkMatch) [RawMatch]
matches
mkMatch :: RawMatch -> Match' LHsExpr'
mkMatch :: RawMatch -> Match' LHsExpr'
mkMatch RawMatch
r = forall ann a. (EpAnn ann -> a) -> a
withEpAnnNotUsed forall p body.
XCMatch p body
-> HsMatchContext (NoGhcTc p)
-> [LPat p]
-> GRHSs p body
-> Match p body
Match HsMatchContext'
context
(forall a b. (a -> b) -> [a] -> [b]
map Pat' -> LPat'
builtPat forall a b. (a -> b) -> a -> b
$ forall a b. (a -> b) -> [a] -> [b]
map Pat' -> Pat'
parenthesize forall a b. (a -> b) -> a -> b
$ RawMatch -> [Pat']
rawMatchPats RawMatch
r)
(RawGRHSs -> GRHSs' LHsExpr'
mkGRHSs forall a b. (a -> b) -> a -> b
$ RawMatch -> RawGRHSs
rawMatchGRHSs RawMatch
r)
mkGRHSs :: RawGRHSs -> GRHSs' LHsExpr'
mkGRHSs :: RawGRHSs -> GRHSs' LHsExpr'
mkGRHSs RawGRHSs
g = forall a. (EpAnnComments -> a) -> a
withEmptyEpAnnComments forall p body.
XCGRHSs p body -> [LGRHS p body] -> HsLocalBinds p -> GRHSs p body
GRHSs
#if MIN_VERSION_ghc(9,4,0)
(map mkLocated $ rawGRHSs g)
#else
(forall a b. (a -> b) -> [a] -> [b]
map forall e. e -> Located e
builtLoc forall a b. (a -> b) -> a -> b
$ RawGRHSs -> [GuardedExpr]
rawGRHSs RawGRHSs
g)
#endif
(forall {a}. a -> a
fromLocalBinds forall a b. (a -> b) -> a -> b
$ [RawValBind] -> HsLocalBinds'
valBinds forall a b. (a -> b) -> a -> b
$ RawGRHSs -> [RawValBind]
rawGRHSWhere RawGRHSs
g)
where
#if MIN_VERSION_ghc(9,2,0)
fromLocalBinds :: a -> a
fromLocalBinds = forall {a}. a -> a
id
#else
fromLocalBinds = builtLoc
#endif
type GuardedExpr = GRHS' LHsExpr'
class HasValBind t where
sigB :: Sig' -> t
bindB :: HsBind' -> t
instance HasValBind HsDecl' where
sigB :: Sig' -> HsDecl'
sigB = forall a. (NoExtField -> a) -> a
noExt forall p. XSigD p -> Sig p -> HsDecl p
SigD
bindB :: HsBind' -> HsDecl'
bindB = forall a. (NoExtField -> a) -> a
noExt forall p. XValD p -> HsBind p -> HsDecl p
ValD
instance HasValBind RawValBind where
sigB :: Sig' -> RawValBind
sigB = Sig' -> RawValBind
SigV
bindB :: HsBind' -> RawValBind
bindB = HsBind' -> RawValBind
BindV