{-# LANGUAGE TypeFamilies #-}
{-# OPTIONS_GHC -Wno-incomplete-uni-patterns #-}
{-# OPTIONS_GHC -Wno-incomplete-record-updates #-}
module GHC.HsToCore.Expr
( dsExpr, dsLExpr, dsLocalBinds
, dsValBinds, dsLit, dsSyntaxExpr
)
where
import GHC.Prelude
import GHC.HsToCore.Match
import GHC.HsToCore.Match.Literal
import GHC.HsToCore.Binds
import GHC.HsToCore.GuardedRHSs
import GHC.HsToCore.ListComp
import GHC.HsToCore.Utils
import GHC.HsToCore.Arrows
import GHC.HsToCore.Monad
import GHC.HsToCore.Pmc ( addTyCs, pmcGRHSs )
import GHC.HsToCore.Errors.Types
import GHC.Types.SourceText
import GHC.Types.Name
import GHC.Types.Name.Env
import GHC.Core.FamInstEnv( topNormaliseType )
import GHC.HsToCore.Quote
import GHC.Hs
import GHC.Tc.Utils.TcType
import GHC.Tc.Types.Evidence
import GHC.Tc.Utils.Monad
import GHC.Core.Type
import GHC.Core.TyCo.Rep
import GHC.Core.Multiplicity
import GHC.Core
import GHC.Core.Utils
import GHC.Core.Make
import GHC.Driver.Session
import GHC.Types.CostCentre
import GHC.Types.Id
import GHC.Types.Id.Make
import GHC.Types.Var.Env
import GHC.Unit.Module
import GHC.Core.ConLike
import GHC.Core.DataCon
import GHC.Builtin.Types
import GHC.Builtin.Names
import GHC.Types.Basic
import GHC.Data.Maybe
import GHC.Types.SrcLoc
import GHC.Types.Tickish
import GHC.Utils.Misc
import GHC.Data.Bag
import GHC.Utils.Outputable as Outputable
import GHC.Utils.Panic
import GHC.Utils.Panic.Plain
import GHC.Core.PatSyn
import Control.Monad
dsLocalBinds :: HsLocalBinds GhcTc -> CoreExpr -> DsM CoreExpr
dsLocalBinds :: HsLocalBinds GhcTc -> CoreExpr -> DsM CoreExpr
dsLocalBinds (EmptyLocalBinds XEmptyLocalBinds GhcTc GhcTc
_) CoreExpr
body = forall (m :: * -> *) a. Monad m => a -> m a
return CoreExpr
body
dsLocalBinds b :: HsLocalBinds GhcTc
b@(HsValBinds XHsValBinds GhcTc GhcTc
_ HsValBindsLR GhcTc GhcTc
binds) CoreExpr
body = forall a. SrcSpan -> DsM a -> DsM a
putSrcSpanDs (forall (p :: Pass). HsLocalBinds (GhcPass p) -> SrcSpan
spanHsLocaLBinds HsLocalBinds GhcTc
b) forall a b. (a -> b) -> a -> b
$
HsValBindsLR GhcTc GhcTc -> CoreExpr -> DsM CoreExpr
dsValBinds HsValBindsLR GhcTc GhcTc
binds CoreExpr
body
dsLocalBinds (HsIPBinds XHsIPBinds GhcTc GhcTc
_ HsIPBinds GhcTc
binds) CoreExpr
body = HsIPBinds GhcTc -> CoreExpr -> DsM CoreExpr
dsIPBinds HsIPBinds GhcTc
binds CoreExpr
body
dsValBinds :: HsValBinds GhcTc -> CoreExpr -> DsM CoreExpr
dsValBinds :: HsValBindsLR GhcTc GhcTc -> CoreExpr -> DsM CoreExpr
dsValBinds (XValBindsLR (NValBinds [(RecFlag, LHsBinds GhcTc)]
binds [LSig GhcRn]
_)) CoreExpr
body
= forall (t :: * -> *) (m :: * -> *) a b.
(Foldable t, Monad m) =>
(a -> b -> m b) -> b -> t a -> m b
foldrM (RecFlag, LHsBinds GhcTc) -> CoreExpr -> DsM CoreExpr
ds_val_bind CoreExpr
body [(RecFlag, LHsBinds GhcTc)]
binds
dsValBinds (ValBinds {}) CoreExpr
_ = forall a. String -> a
panic String
"dsValBinds ValBindsIn"
dsIPBinds :: HsIPBinds GhcTc -> CoreExpr -> DsM CoreExpr
dsIPBinds :: HsIPBinds GhcTc -> CoreExpr -> DsM CoreExpr
dsIPBinds (IPBinds XIPBinds GhcTc
ev_binds [LIPBind GhcTc]
ip_binds) CoreExpr
body
= do { [CoreBind]
ds_binds <- TcEvBinds -> DsM [CoreBind]
dsTcEvBinds XIPBinds GhcTc
ev_binds
; let inner :: CoreExpr
inner = [CoreBind] -> CoreExpr -> CoreExpr
mkCoreLets [CoreBind]
ds_binds CoreExpr
body
; forall (t :: * -> *) (m :: * -> *) a b.
(Foldable t, Monad m) =>
(a -> b -> m b) -> b -> t a -> m b
foldrM LIPBind GhcTc -> CoreExpr -> DsM CoreExpr
ds_ip_bind CoreExpr
inner [LIPBind GhcTc]
ip_binds }
where
ds_ip_bind :: LIPBind GhcTc -> CoreExpr -> DsM CoreExpr
ds_ip_bind :: LIPBind GhcTc -> CoreExpr -> DsM CoreExpr
ds_ip_bind (L SrcSpanAnnA
_ (IPBind XCIPBind GhcTc
n XRec GhcTc HsIPName
_ LHsExpr GhcTc
e)) CoreExpr
body
= do CoreExpr
e' <- LHsExpr GhcTc -> DsM CoreExpr
dsLExpr LHsExpr GhcTc
e
forall (m :: * -> *) a. Monad m => a -> m a
return (forall b. Bind b -> Expr b -> Expr b
Let (forall b. b -> Expr b -> Bind b
NonRec XCIPBind GhcTc
n CoreExpr
e') CoreExpr
body)
ds_val_bind :: (RecFlag, LHsBinds GhcTc) -> CoreExpr -> DsM CoreExpr
ds_val_bind :: (RecFlag, LHsBinds GhcTc) -> CoreExpr -> DsM CoreExpr
ds_val_bind (RecFlag
NonRecursive, LHsBinds GhcTc
hsbinds) CoreExpr
body
| [L SrcSpanAnnA
loc HsBind GhcTc
bind] <- forall a. Bag a -> [a]
bagToList LHsBinds GhcTc
hsbinds
, HsBind GhcTc -> Bool
isUnliftedHsBind HsBind GhcTc
bind
= forall a. SrcSpan -> DsM a -> DsM a
putSrcSpanDs (forall a. SrcSpanAnn' a -> SrcSpan
locA SrcSpanAnnA
loc) forall a b. (a -> b) -> a -> b
$
if forall {idL} {idR}.
(XXHsBindsLR idL idR ~ AbsBinds) =>
HsBindLR idL idR -> Bool
is_polymorphic HsBind GhcTc
bind
then DsMessage -> DsM CoreExpr
errDsCoreExpr (HsBind GhcTc -> DsMessage
DsCannotMixPolyAndUnliftedBindings HsBind GhcTc
bind)
else do { forall (f :: * -> *). Applicative f => Bool -> f () -> f ()
when (HsBind GhcTc -> Bool
looksLazyPatBind HsBind GhcTc
bind) forall a b. (a -> b) -> a -> b
$
DsMessage -> IOEnv (Env DsGblEnv DsLclEnv) ()
diagnosticDs (HsBind GhcTc -> DsMessage
DsUnbangedStrictPatterns HsBind GhcTc
bind)
; HsBind GhcTc -> CoreExpr -> DsM CoreExpr
dsUnliftedBind HsBind GhcTc
bind CoreExpr
body }
where
is_polymorphic :: HsBindLR idL idR -> Bool
is_polymorphic (XHsBindsLR (AbsBinds { abs_tvs :: AbsBinds -> [Id]
abs_tvs = [Id]
tvs, abs_ev_vars :: AbsBinds -> [Id]
abs_ev_vars = [Id]
evs }))
= Bool -> Bool
not (forall (t :: * -> *) a. Foldable t => t a -> Bool
null [Id]
tvs Bool -> Bool -> Bool
&& forall (t :: * -> *) a. Foldable t => t a -> Bool
null [Id]
evs)
is_polymorphic HsBindLR idL idR
_ = Bool
False
ds_val_bind (RecFlag
is_rec, LHsBinds GhcTc
binds) CoreExpr
_body
| forall a. (a -> Bool) -> Bag a -> Bool
anyBag (HsBind GhcTc -> Bool
isUnliftedHsBind forall b c a. (b -> c) -> (a -> b) -> a -> c
. forall l e. GenLocated l e -> e
unLoc) LHsBinds GhcTc
binds
= forall a. HasCallStack => Bool -> a -> a
assert (RecFlag -> Bool
isRec RecFlag
is_rec )
DsMessage -> DsM CoreExpr
errDsCoreExpr forall a b. (a -> b) -> a -> b
$ [LHsBindLR GhcTc GhcTc] -> DsMessage
DsRecBindsNotAllowedForUnliftedTys (forall a. Bag a -> [a]
bagToList LHsBinds GhcTc
binds)
ds_val_bind (RecFlag
is_rec, LHsBinds GhcTc
binds) CoreExpr
body
= do { forall (m :: * -> *). (HasCallStack, Applicative m) => Bool -> m ()
massert (RecFlag -> Bool
isRec RecFlag
is_rec Bool -> Bool -> Bool
|| forall a. Bag a -> Bool
isSingletonBag LHsBinds GhcTc
binds)
; ([Id]
force_vars,[(Id, CoreExpr)]
prs) <- LHsBinds GhcTc -> DsM ([Id], [(Id, CoreExpr)])
dsLHsBinds LHsBinds GhcTc
binds
; let body' :: CoreExpr
body' = forall (t :: * -> *) a b.
Foldable t =>
(a -> b -> b) -> b -> t a -> b
foldr Id -> CoreExpr -> CoreExpr
seqVar CoreExpr
body [Id]
force_vars
; forall a. HasCallStack => Bool -> SDoc -> a -> a
assertPpr (Bool -> Bool
not (forall (t :: * -> *) a. Foldable t => (a -> Bool) -> t a -> Bool
any (HasDebugCallStack => Type -> Bool
isUnliftedType forall b c a. (b -> c) -> (a -> b) -> a -> c
. Id -> Type
idType forall b c a. (b -> c) -> (a -> b) -> a -> c
. forall a b. (a, b) -> a
fst) [(Id, CoreExpr)]
prs)) (forall a. Outputable a => a -> SDoc
ppr RecFlag
is_rec SDoc -> SDoc -> SDoc
$$ forall a. Outputable a => a -> SDoc
ppr LHsBinds GhcTc
binds) forall a b. (a -> b) -> a -> b
$
case [(Id, CoreExpr)]
prs of
[] -> forall (m :: * -> *) a. Monad m => a -> m a
return CoreExpr
body
[(Id, CoreExpr)]
_ -> forall (m :: * -> *) a. Monad m => a -> m a
return (forall b. Bind b -> Expr b -> Expr b
Let (forall b. [(b, Expr b)] -> Bind b
Rec [(Id, CoreExpr)]
prs) CoreExpr
body') }
dsUnliftedBind :: HsBind GhcTc -> CoreExpr -> DsM CoreExpr
dsUnliftedBind :: HsBind GhcTc -> CoreExpr -> DsM CoreExpr
dsUnliftedBind (XHsBindsLR (AbsBinds { abs_tvs :: AbsBinds -> [Id]
abs_tvs = [], abs_ev_vars :: AbsBinds -> [Id]
abs_ev_vars = []
, abs_exports :: AbsBinds -> [ABExport]
abs_exports = [ABExport]
exports
, abs_ev_binds :: AbsBinds -> [TcEvBinds]
abs_ev_binds = [TcEvBinds]
ev_binds
, abs_binds :: AbsBinds -> LHsBinds GhcTc
abs_binds = LHsBinds GhcTc
lbinds })) CoreExpr
body
= do { let body1 :: CoreExpr
body1 = forall (t :: * -> *) a b.
Foldable t =>
(a -> b -> b) -> b -> t a -> b
foldr ABExport -> CoreExpr -> CoreExpr
bind_export CoreExpr
body [ABExport]
exports
bind_export :: ABExport -> CoreExpr -> CoreExpr
bind_export ABExport
export CoreExpr
b = Id -> CoreExpr -> CoreExpr -> CoreExpr
bindNonRec (ABExport -> Id
abe_poly ABExport
export) (forall b. Id -> Expr b
Var (ABExport -> Id
abe_mono ABExport
export)) CoreExpr
b
; CoreExpr
body2 <- forall (t :: * -> *) (m :: * -> *) b a.
(Foldable t, Monad m) =>
(b -> a -> m b) -> b -> t a -> m b
foldlM (\CoreExpr
body GenLocated SrcSpanAnnA (HsBind GhcTc)
lbind -> HsBind GhcTc -> CoreExpr -> DsM CoreExpr
dsUnliftedBind (forall l e. GenLocated l e -> e
unLoc GenLocated SrcSpanAnnA (HsBind GhcTc)
lbind) CoreExpr
body)
CoreExpr
body1 LHsBinds GhcTc
lbinds
; [CoreBind]
ds_binds <- [TcEvBinds] -> DsM [CoreBind]
dsTcEvBinds_s [TcEvBinds]
ev_binds
; forall (m :: * -> *) a. Monad m => a -> m a
return ([CoreBind] -> CoreExpr -> CoreExpr
mkCoreLets [CoreBind]
ds_binds CoreExpr
body2) }
dsUnliftedBind (FunBind { fun_id :: forall idL idR. HsBindLR idL idR -> LIdP idL
fun_id = L SrcSpanAnnN
l Id
fun
, fun_matches :: forall idL idR. HsBindLR idL idR -> MatchGroup idR (LHsExpr idR)
fun_matches = MatchGroup GhcTc (LHsExpr GhcTc)
matches
, fun_ext :: forall idL idR. HsBindLR idL idR -> XFunBind idL idR
fun_ext = XFunBind GhcTc GhcTc
co_fn
, fun_tick :: forall idL idR. HsBindLR idL idR -> [CoreTickish]
fun_tick = [CoreTickish]
tick }) CoreExpr
body
= do { ([Id]
args, CoreExpr
rhs) <- HsMatchContext GhcRn
-> Maybe [LHsExpr GhcTc]
-> MatchGroup GhcTc (LHsExpr GhcTc)
-> DsM ([Id], CoreExpr)
matchWrapper (forall p. LIdP (NoGhcTc p) -> HsMatchContext p
mkPrefixFunRhs (forall l e. l -> e -> GenLocated l e
L SrcSpanAnnN
l forall a b. (a -> b) -> a -> b
$ Id -> Name
idName Id
fun)) forall a. Maybe a
Nothing MatchGroup GhcTc (LHsExpr GhcTc)
matches
; forall (m :: * -> *). (HasCallStack, Applicative m) => Bool -> m ()
massert (forall (t :: * -> *) a. Foldable t => t a -> Bool
null [Id]
args)
; CoreExpr -> CoreExpr
core_wrap <- HsWrapper -> DsM (CoreExpr -> CoreExpr)
dsHsWrapper XFunBind GhcTc GhcTc
co_fn
; let rhs' :: CoreExpr
rhs' = CoreExpr -> CoreExpr
core_wrap ([CoreTickish] -> CoreExpr -> CoreExpr
mkOptTickBox [CoreTickish]
tick CoreExpr
rhs)
; forall (m :: * -> *) a. Monad m => a -> m a
return (Id -> CoreExpr -> CoreExpr -> CoreExpr
bindNonRec Id
fun CoreExpr
rhs' CoreExpr
body) }
dsUnliftedBind (PatBind {pat_lhs :: forall idL idR. HsBindLR idL idR -> LPat idL
pat_lhs = LPat GhcTc
pat, pat_rhs :: forall idL idR. HsBindLR idL idR -> GRHSs idR (LHsExpr idR)
pat_rhs = GRHSs GhcTc (LHsExpr GhcTc)
grhss
, pat_ext :: forall idL idR. HsBindLR idL idR -> XPatBind idL idR
pat_ext = XPatBind GhcTc GhcTc
ty }) CoreExpr
body
=
do { NonEmpty Nablas
match_nablas <- HsMatchContext GhcRn
-> GRHSs GhcTc (LHsExpr GhcTc) -> DsM (NonEmpty Nablas)
pmcGRHSs forall p. HsMatchContext p
PatBindGuards GRHSs GhcTc (LHsExpr GhcTc)
grhss
; CoreExpr
rhs <- GRHSs GhcTc (LHsExpr GhcTc)
-> Type -> NonEmpty Nablas -> DsM CoreExpr
dsGuarded GRHSs GhcTc (LHsExpr GhcTc)
grhss XPatBind GhcTc GhcTc
ty NonEmpty Nablas
match_nablas
; let upat :: Pat GhcTc
upat = forall l e. GenLocated l e -> e
unLoc LPat GhcTc
pat
eqn :: EquationInfo
eqn = EqnInfo { eqn_pats :: [Pat GhcTc]
eqn_pats = [Pat GhcTc
upat],
eqn_orig :: Origin
eqn_orig = Origin
FromSource,
eqn_rhs :: MatchResult CoreExpr
eqn_rhs = CoreExpr -> MatchResult CoreExpr
cantFailMatchResult CoreExpr
body }
; Id
var <- Type -> Pat GhcTc -> DsM Id
selectMatchVar Type
Many Pat GhcTc
upat
; CoreExpr
result <- HsMatchContext GhcRn
-> [Id] -> [EquationInfo] -> Type -> DsM CoreExpr
matchEquations forall p. HsMatchContext p
PatBindRhs [Id
var] [EquationInfo
eqn] (HasDebugCallStack => CoreExpr -> Type
exprType CoreExpr
body)
; forall (m :: * -> *) a. Monad m => a -> m a
return (Id -> CoreExpr -> CoreExpr -> CoreExpr
bindNonRec Id
var CoreExpr
rhs CoreExpr
result) }
dsUnliftedBind HsBind GhcTc
bind CoreExpr
body = forall a. HasCallStack => String -> SDoc -> a
pprPanic String
"dsLet: unlifted" (forall a. Outputable a => a -> SDoc
ppr HsBind GhcTc
bind SDoc -> SDoc -> SDoc
$$ forall a. Outputable a => a -> SDoc
ppr CoreExpr
body)
dsLExpr :: LHsExpr GhcTc -> DsM CoreExpr
dsLExpr :: LHsExpr GhcTc -> DsM CoreExpr
dsLExpr (L SrcSpanAnnA
loc HsExpr GhcTc
e) =
forall ann a. SrcSpanAnn' ann -> DsM a -> DsM a
putSrcSpanDsA SrcSpanAnnA
loc forall a b. (a -> b) -> a -> b
$ HsExpr GhcTc -> DsM CoreExpr
dsExpr HsExpr GhcTc
e
dsExpr :: HsExpr GhcTc -> DsM CoreExpr
dsExpr :: HsExpr GhcTc -> DsM CoreExpr
dsExpr (HsVar XVar GhcTc
_ (L SrcSpanAnnN
_ Id
id)) = Id -> DsM CoreExpr
dsHsVar Id
id
dsExpr (HsRecSel XRecSel GhcTc
_ (FieldOcc XCFieldOcc GhcTc
id XRec GhcTc RdrName
_)) = Id -> DsM CoreExpr
dsHsVar XCFieldOcc GhcTc
id
dsExpr (HsUnboundVar (HER IORef EvTerm
ref Type
_ Unique
_) OccName
_) = EvTerm -> DsM CoreExpr
dsEvTerm forall (m :: * -> *) a b. Monad m => (a -> m b) -> m a -> m b
=<< forall a env. IORef a -> IOEnv env a
readMutVar IORef EvTerm
ref
dsExpr (HsPar XPar GhcTc
_ LHsToken "(" GhcTc
_ LHsExpr GhcTc
e LHsToken ")" GhcTc
_) = LHsExpr GhcTc -> DsM CoreExpr
dsLExpr LHsExpr GhcTc
e
dsExpr (ExprWithTySig XExprWithTySig GhcTc
_ LHsExpr GhcTc
e LHsSigWcType (NoGhcTc GhcTc)
_) = LHsExpr GhcTc -> DsM CoreExpr
dsLExpr LHsExpr GhcTc
e
dsExpr (HsIPVar XIPVar GhcTc
x HsIPName
_) = forall a. DataConCantHappen -> a
dataConCantHappen XIPVar GhcTc
x
dsExpr (HsGetField XGetField GhcTc
x LHsExpr GhcTc
_ XRec GhcTc (DotFieldOcc GhcTc)
_) = forall a. DataConCantHappen -> a
dataConCantHappen XGetField GhcTc
x
dsExpr (HsProjection XProjection GhcTc
x NonEmpty (XRec GhcTc (DotFieldOcc GhcTc))
_) = forall a. DataConCantHappen -> a
dataConCantHappen XProjection GhcTc
x
dsExpr (HsLit XLitE GhcTc
_ HsLit GhcTc
lit)
= do { HsLit GhcTc -> IOEnv (Env DsGblEnv DsLclEnv) ()
warnAboutOverflowedLit HsLit GhcTc
lit
; HsLit GhcRn -> DsM CoreExpr
dsLit (forall (p1 :: Pass) (p2 :: Pass).
HsLit (GhcPass p1) -> HsLit (GhcPass p2)
convertLit HsLit GhcTc
lit) }
dsExpr (HsOverLit XOverLitE GhcTc
_ HsOverLit GhcTc
lit)
= do { HsOverLit GhcTc -> IOEnv (Env DsGblEnv DsLclEnv) ()
warnAboutOverflowedOverLit HsOverLit GhcTc
lit
; HsOverLit GhcTc -> DsM CoreExpr
dsOverLit HsOverLit GhcTc
lit }
dsExpr e :: HsExpr GhcTc
e@(XExpr XXExpr GhcTc
ext_expr_tc)
= case XXExpr GhcTc
ext_expr_tc of
ExpansionExpr (HsExpanded HsExpr GhcRn
_ HsExpr GhcTc
b) -> HsExpr GhcTc -> DsM CoreExpr
dsExpr HsExpr GhcTc
b
WrapExpr {} -> HsExpr GhcTc -> DsM CoreExpr
dsHsWrapped HsExpr GhcTc
e
ConLikeTc ConLike
con [Id]
tvs [Scaled Type]
tys -> ConLike -> [Id] -> [Scaled Type] -> DsM CoreExpr
dsConLike ConLike
con [Id]
tvs [Scaled Type]
tys
HsTick CoreTickish
tickish LHsExpr GhcTc
e -> do
CoreExpr
e' <- LHsExpr GhcTc -> DsM CoreExpr
dsLExpr LHsExpr GhcTc
e
forall (m :: * -> *) a. Monad m => a -> m a
return (forall b. CoreTickish -> Expr b -> Expr b
Tick CoreTickish
tickish CoreExpr
e')
HsBinTick Int
ixT Int
ixF LHsExpr GhcTc
e -> do
CoreExpr
e2 <- LHsExpr GhcTc -> DsM CoreExpr
dsLExpr LHsExpr GhcTc
e
do { forall a. HasCallStack => Bool -> a -> a
assert (HasDebugCallStack => CoreExpr -> Type
exprType CoreExpr
e2 Type -> Type -> Bool
`eqType` Type
boolTy)
Int -> Int -> CoreExpr -> DsM CoreExpr
mkBinaryTickBox Int
ixT Int
ixF CoreExpr
e2
}
dsExpr (NegApp XNegApp GhcTc
_ (L SrcSpanAnnA
loc
(HsOverLit XOverLitE GhcTc
_ lit :: HsOverLit GhcTc
lit@(OverLit { ol_val :: forall p. HsOverLit p -> OverLitVal
ol_val = HsIntegral IntegralLit
i})))
SyntaxExpr GhcTc
neg_expr)
= do { CoreExpr
expr' <- forall ann a. SrcSpanAnn' ann -> DsM a -> DsM a
putSrcSpanDsA SrcSpanAnnA
loc forall a b. (a -> b) -> a -> b
$ do
{ HsOverLit GhcTc -> IOEnv (Env DsGblEnv DsLclEnv) ()
warnAboutOverflowedOverLit
(HsOverLit GhcTc
lit { ol_val :: OverLitVal
ol_val = IntegralLit -> OverLitVal
HsIntegral (IntegralLit -> IntegralLit
negateIntegralLit IntegralLit
i) })
; HsOverLit GhcTc -> DsM CoreExpr
dsOverLit HsOverLit GhcTc
lit }
; SyntaxExpr GhcTc -> [CoreExpr] -> DsM CoreExpr
dsSyntaxExpr SyntaxExpr GhcTc
neg_expr [CoreExpr
expr'] }
dsExpr (NegApp XNegApp GhcTc
_ LHsExpr GhcTc
expr SyntaxExpr GhcTc
neg_expr)
= do { CoreExpr
expr' <- LHsExpr GhcTc -> DsM CoreExpr
dsLExpr LHsExpr GhcTc
expr
; SyntaxExpr GhcTc -> [CoreExpr] -> DsM CoreExpr
dsSyntaxExpr SyntaxExpr GhcTc
neg_expr [CoreExpr
expr'] }
dsExpr (HsLam XLam GhcTc
_ MatchGroup GhcTc (LHsExpr GhcTc)
a_Match)
= forall a b c. (a -> b -> c) -> (a, b) -> c
uncurry [Id] -> CoreExpr -> CoreExpr
mkCoreLams forall (f :: * -> *) a b. Functor f => (a -> b) -> f a -> f b
<$> HsMatchContext GhcRn
-> Maybe [LHsExpr GhcTc]
-> MatchGroup GhcTc (LHsExpr GhcTc)
-> DsM ([Id], CoreExpr)
matchWrapper forall p. HsMatchContext p
LambdaExpr forall a. Maybe a
Nothing MatchGroup GhcTc (LHsExpr GhcTc)
a_Match
dsExpr (HsLamCase XLamCase GhcTc
_ LamCaseVariant
lc_variant MatchGroup GhcTc (LHsExpr GhcTc)
matches)
= forall a b c. (a -> b -> c) -> (a, b) -> c
uncurry [Id] -> CoreExpr -> CoreExpr
mkCoreLams forall (f :: * -> *) a b. Functor f => (a -> b) -> f a -> f b
<$> HsMatchContext GhcRn
-> Maybe [LHsExpr GhcTc]
-> MatchGroup GhcTc (LHsExpr GhcTc)
-> DsM ([Id], CoreExpr)
matchWrapper (forall p. LamCaseVariant -> HsMatchContext p
LamCaseAlt LamCaseVariant
lc_variant) forall a. Maybe a
Nothing MatchGroup GhcTc (LHsExpr GhcTc)
matches
dsExpr e :: HsExpr GhcTc
e@(HsApp XApp GhcTc
_ LHsExpr GhcTc
fun LHsExpr GhcTc
arg)
= do { CoreExpr
fun' <- LHsExpr GhcTc -> DsM CoreExpr
dsLExpr LHsExpr GhcTc
fun
; CoreExpr
arg' <- LHsExpr GhcTc -> DsM CoreExpr
dsLExpr LHsExpr GhcTc
arg
; forall (m :: * -> *) a. Monad m => a -> m a
return forall a b. (a -> b) -> a -> b
$ SDoc -> CoreExpr -> CoreExpr -> CoreExpr
mkCoreAppDs (String -> SDoc
text String
"HsApp" SDoc -> SDoc -> SDoc
<+> forall a. Outputable a => a -> SDoc
ppr HsExpr GhcTc
e) CoreExpr
fun' CoreExpr
arg' }
dsExpr e :: HsExpr GhcTc
e@(HsAppType {}) = HsExpr GhcTc -> DsM CoreExpr
dsHsWrapped HsExpr GhcTc
e
dsExpr (ExplicitTuple XExplicitTuple GhcTc
_ [HsTupArg GhcTc]
tup_args Boxity
boxity)
= do { let go :: ([Id], [CoreExpr])
-> HsTupArg GhcTc
-> IOEnv (Env DsGblEnv DsLclEnv) ([Id], [CoreExpr])
go ([Id]
lam_vars, [CoreExpr]
args) (Missing (Scaled Type
mult Type
ty))
= do { Id
lam_var <- Type -> Type -> DsM Id
newSysLocalDs Type
mult Type
ty
; forall (m :: * -> *) a. Monad m => a -> m a
return (Id
lam_var forall a. a -> [a] -> [a]
: [Id]
lam_vars, forall b. Id -> Expr b
Var Id
lam_var forall a. a -> [a] -> [a]
: [CoreExpr]
args) }
go ([Id]
lam_vars, [CoreExpr]
args) (Present XPresent GhcTc
_ LHsExpr GhcTc
expr)
= do { CoreExpr
core_expr <- LHsExpr GhcTc -> DsM CoreExpr
dsLExpr LHsExpr GhcTc
expr
; forall (m :: * -> *) a. Monad m => a -> m a
return ([Id]
lam_vars, CoreExpr
core_expr forall a. a -> [a] -> [a]
: [CoreExpr]
args) }
; ([Id]
lam_vars, [CoreExpr]
args) <- forall (t :: * -> *) (m :: * -> *) b a.
(Foldable t, Monad m) =>
(b -> a -> m b) -> b -> t a -> m b
foldM ([Id], [CoreExpr])
-> HsTupArg GhcTc
-> IOEnv (Env DsGblEnv DsLclEnv) ([Id], [CoreExpr])
go ([], []) (forall a. [a] -> [a]
reverse [HsTupArg GhcTc]
tup_args)
; forall (m :: * -> *) a. Monad m => a -> m a
return forall a b. (a -> b) -> a -> b
$ [Id] -> CoreExpr -> CoreExpr
mkCoreLams [Id]
lam_vars (Boxity -> [CoreExpr] -> CoreExpr
mkCoreTupBoxity Boxity
boxity [CoreExpr]
args) }
dsExpr (ExplicitSum XExplicitSum GhcTc
types Int
alt Int
arity LHsExpr GhcTc
expr)
= Int -> Int -> [Type] -> CoreExpr -> CoreExpr
mkCoreUbxSum Int
arity Int
alt XExplicitSum GhcTc
types forall (f :: * -> *) a b. Functor f => (a -> b) -> f a -> f b
<$> LHsExpr GhcTc -> DsM CoreExpr
dsLExpr LHsExpr GhcTc
expr
dsExpr (HsPragE XPragE GhcTc
_ HsPragE GhcTc
prag LHsExpr GhcTc
expr) =
HsPragE GhcTc -> LHsExpr GhcTc -> DsM CoreExpr
ds_prag_expr HsPragE GhcTc
prag LHsExpr GhcTc
expr
dsExpr (HsCase XCase GhcTc
_ LHsExpr GhcTc
discrim MatchGroup GhcTc (LHsExpr GhcTc)
matches)
= do { CoreExpr
core_discrim <- LHsExpr GhcTc -> DsM CoreExpr
dsLExpr LHsExpr GhcTc
discrim
; ([Id
discrim_var], CoreExpr
matching_code) <- HsMatchContext GhcRn
-> Maybe [LHsExpr GhcTc]
-> MatchGroup GhcTc (LHsExpr GhcTc)
-> DsM ([Id], CoreExpr)
matchWrapper forall p. HsMatchContext p
CaseAlt (forall a. a -> Maybe a
Just [LHsExpr GhcTc
discrim]) MatchGroup GhcTc (LHsExpr GhcTc)
matches
; forall (m :: * -> *) a. Monad m => a -> m a
return (Id -> CoreExpr -> CoreExpr -> CoreExpr
bindNonRec Id
discrim_var CoreExpr
core_discrim CoreExpr
matching_code) }
dsExpr (HsLet XLet GhcTc
_ LHsToken "let" GhcTc
_ HsLocalBinds GhcTc
binds LHsToken "in" GhcTc
_ LHsExpr GhcTc
body) = do
CoreExpr
body' <- LHsExpr GhcTc -> DsM CoreExpr
dsLExpr LHsExpr GhcTc
body
HsLocalBinds GhcTc -> CoreExpr -> DsM CoreExpr
dsLocalBinds HsLocalBinds GhcTc
binds CoreExpr
body'
dsExpr (HsDo XDo GhcTc
res_ty HsDoFlavour
ListComp (L SrcSpanAnnL
_ [GenLocated
SrcSpanAnnA (StmtLR GhcTc GhcTc (LocatedA (HsExpr GhcTc)))]
stmts)) = [ExprLStmt GhcTc] -> Type -> DsM CoreExpr
dsListComp [GenLocated
SrcSpanAnnA (StmtLR GhcTc GhcTc (LocatedA (HsExpr GhcTc)))]
stmts XDo GhcTc
res_ty
dsExpr (HsDo XDo GhcTc
_ ctx :: HsDoFlavour
ctx@DoExpr{} (L SrcSpanAnnL
_ [GenLocated
SrcSpanAnnA (StmtLR GhcTc GhcTc (LocatedA (HsExpr GhcTc)))]
stmts)) = HsDoFlavour -> [ExprLStmt GhcTc] -> DsM CoreExpr
dsDo HsDoFlavour
ctx [GenLocated
SrcSpanAnnA (StmtLR GhcTc GhcTc (LocatedA (HsExpr GhcTc)))]
stmts
dsExpr (HsDo XDo GhcTc
_ ctx :: HsDoFlavour
ctx@HsDoFlavour
GhciStmtCtxt (L SrcSpanAnnL
_ [GenLocated
SrcSpanAnnA (StmtLR GhcTc GhcTc (LocatedA (HsExpr GhcTc)))]
stmts)) = HsDoFlavour -> [ExprLStmt GhcTc] -> DsM CoreExpr
dsDo HsDoFlavour
ctx [GenLocated
SrcSpanAnnA (StmtLR GhcTc GhcTc (LocatedA (HsExpr GhcTc)))]
stmts
dsExpr (HsDo XDo GhcTc
_ ctx :: HsDoFlavour
ctx@MDoExpr{} (L SrcSpanAnnL
_ [GenLocated
SrcSpanAnnA (StmtLR GhcTc GhcTc (LocatedA (HsExpr GhcTc)))]
stmts)) = HsDoFlavour -> [ExprLStmt GhcTc] -> DsM CoreExpr
dsDo HsDoFlavour
ctx [GenLocated
SrcSpanAnnA (StmtLR GhcTc GhcTc (LocatedA (HsExpr GhcTc)))]
stmts
dsExpr (HsDo XDo GhcTc
_ HsDoFlavour
MonadComp (L SrcSpanAnnL
_ [GenLocated
SrcSpanAnnA (StmtLR GhcTc GhcTc (LocatedA (HsExpr GhcTc)))]
stmts)) = [ExprLStmt GhcTc] -> DsM CoreExpr
dsMonadComp [GenLocated
SrcSpanAnnA (StmtLR GhcTc GhcTc (LocatedA (HsExpr GhcTc)))]
stmts
dsExpr (HsIf XIf GhcTc
_ LHsExpr GhcTc
guard_expr LHsExpr GhcTc
then_expr LHsExpr GhcTc
else_expr)
= do { CoreExpr
pred <- LHsExpr GhcTc -> DsM CoreExpr
dsLExpr LHsExpr GhcTc
guard_expr
; CoreExpr
b1 <- LHsExpr GhcTc -> DsM CoreExpr
dsLExpr LHsExpr GhcTc
then_expr
; CoreExpr
b2 <- LHsExpr GhcTc -> DsM CoreExpr
dsLExpr LHsExpr GhcTc
else_expr
; forall (m :: * -> *) a. Monad m => a -> m a
return forall a b. (a -> b) -> a -> b
$ CoreExpr -> CoreExpr -> CoreExpr -> CoreExpr
mkIfThenElse CoreExpr
pred CoreExpr
b1 CoreExpr
b2 }
dsExpr (HsMultiIf XMultiIf GhcTc
res_ty [LGRHS GhcTc (LHsExpr GhcTc)]
alts)
| forall (t :: * -> *) a. Foldable t => t a -> Bool
null [LGRHS GhcTc (LHsExpr GhcTc)]
alts
= DsM CoreExpr
mkErrorExpr
| Bool
otherwise
= do { let grhss :: GRHSs GhcTc (LocatedA (HsExpr GhcTc))
grhss = forall p body.
XCGRHSs p body -> [LGRHS p body] -> HsLocalBinds p -> GRHSs p body
GRHSs EpAnnComments
emptyComments [LGRHS GhcTc (LHsExpr GhcTc)]
alts forall (a :: Pass) (b :: Pass).
HsLocalBindsLR (GhcPass a) (GhcPass b)
emptyLocalBinds
; NonEmpty Nablas
rhss_nablas <- HsMatchContext GhcRn
-> GRHSs GhcTc (LHsExpr GhcTc) -> DsM (NonEmpty Nablas)
pmcGRHSs forall p. HsMatchContext p
IfAlt GRHSs GhcTc (LocatedA (HsExpr GhcTc))
grhss
; MatchResult CoreExpr
match_result <- HsMatchContext GhcRn
-> GRHSs GhcTc (LHsExpr GhcTc)
-> Type
-> NonEmpty Nablas
-> DsM (MatchResult CoreExpr)
dsGRHSs forall p. HsMatchContext p
IfAlt GRHSs GhcTc (LocatedA (HsExpr GhcTc))
grhss XMultiIf GhcTc
res_ty NonEmpty Nablas
rhss_nablas
; CoreExpr
error_expr <- DsM CoreExpr
mkErrorExpr
; MatchResult CoreExpr -> CoreExpr -> DsM CoreExpr
extractMatchResult MatchResult CoreExpr
match_result CoreExpr
error_expr }
where
mkErrorExpr :: DsM CoreExpr
mkErrorExpr = Id -> Type -> SDoc -> DsM CoreExpr
mkErrorAppDs Id
nON_EXHAUSTIVE_GUARDS_ERROR_ID XMultiIf GhcTc
res_ty
(String -> SDoc
text String
"multi-way if")
dsExpr (ExplicitList XExplicitList GhcTc
elt_ty [LHsExpr GhcTc]
xs) = Type -> [LHsExpr GhcTc] -> DsM CoreExpr
dsExplicitList XExplicitList GhcTc
elt_ty [LHsExpr GhcTc]
xs
dsExpr (ArithSeq XArithSeq GhcTc
expr Maybe (SyntaxExpr GhcTc)
witness ArithSeqInfo GhcTc
seq)
= case Maybe (SyntaxExpr GhcTc)
witness of
Maybe (SyntaxExpr GhcTc)
Nothing -> HsExpr GhcTc -> ArithSeqInfo GhcTc -> DsM CoreExpr
dsArithSeq XArithSeq GhcTc
expr ArithSeqInfo GhcTc
seq
Just SyntaxExpr GhcTc
fl -> do { CoreExpr
newArithSeq <- HsExpr GhcTc -> ArithSeqInfo GhcTc -> DsM CoreExpr
dsArithSeq XArithSeq GhcTc
expr ArithSeqInfo GhcTc
seq
; SyntaxExpr GhcTc -> [CoreExpr] -> DsM CoreExpr
dsSyntaxExpr SyntaxExpr GhcTc
fl [CoreExpr
newArithSeq] }
dsExpr (HsStatic (NameSet
_, Type
whole_ty) expr :: LHsExpr GhcTc
expr@(L SrcSpanAnnA
loc HsExpr GhcTc
_)) = do
CoreExpr
expr_ds <- LHsExpr GhcTc -> DsM CoreExpr
dsLExpr LHsExpr GhcTc
expr
let (TyCon
_, [Type
ty]) = Type -> (TyCon, [Type])
splitTyConApp Type
whole_ty
Id
makeStaticId <- Name -> DsM Id
dsLookupGlobalId Name
makeStaticName
DynFlags
dflags <- forall (m :: * -> *). HasDynFlags m => m DynFlags
getDynFlags
let platform :: Platform
platform = DynFlags -> Platform
targetPlatform DynFlags
dflags
let (Int
line, Int
col) = case forall a. SrcSpanAnn' a -> SrcSpan
locA SrcSpanAnnA
loc of
RealSrcSpan RealSrcSpan
r Maybe BufSpan
_ ->
( RealSrcLoc -> Int
srcLocLine forall a b. (a -> b) -> a -> b
$ RealSrcSpan -> RealSrcLoc
realSrcSpanStart RealSrcSpan
r
, RealSrcLoc -> Int
srcLocCol forall a b. (a -> b) -> a -> b
$ RealSrcSpan -> RealSrcLoc
realSrcSpanStart RealSrcSpan
r
)
SrcSpan
_ -> (Int
0, Int
0)
srcLoc :: CoreExpr
srcLoc = DataCon -> [CoreExpr] -> CoreExpr
mkCoreConApps (Boxity -> Int -> DataCon
tupleDataCon Boxity
Boxed Int
2)
[ forall b. Type -> Expr b
Type Type
intTy , forall b. Type -> Expr b
Type Type
intTy
, Platform -> Int -> CoreExpr
mkIntExprInt Platform
platform Int
line, Platform -> Int -> CoreExpr
mkIntExprInt Platform
platform Int
col
]
forall ann a. SrcSpanAnn' ann -> DsM a -> DsM a
putSrcSpanDsA SrcSpanAnnA
loc forall a b. (a -> b) -> a -> b
$ forall (m :: * -> *) a. Monad m => a -> m a
return forall a b. (a -> b) -> a -> b
$
CoreExpr -> [CoreExpr] -> CoreExpr
mkCoreApps (forall b. Id -> Expr b
Var Id
makeStaticId) [ forall b. Type -> Expr b
Type Type
ty, CoreExpr
srcLoc, CoreExpr
expr_ds ]
dsExpr (RecordCon { rcon_con :: forall p. HsExpr p -> XRec p (ConLikeP p)
rcon_con = L SrcSpanAnnN
_ ConLike
con_like
, rcon_flds :: forall p. HsExpr p -> HsRecordBinds p
rcon_flds = HsRecordBinds GhcTc
rbinds
, rcon_ext :: forall p. HsExpr p -> XRecordCon p
rcon_ext = XRecordCon GhcTc
con_expr })
= do { CoreExpr
con_expr' <- HsExpr GhcTc -> DsM CoreExpr
dsExpr XRecordCon GhcTc
con_expr
; let
([Scaled Type]
arg_tys, Type
_) = Type -> ([Scaled Type], Type)
tcSplitFunTys (HasDebugCallStack => CoreExpr -> Type
exprType CoreExpr
con_expr')
mk_arg :: (Type, FieldLabel) -> DsM CoreExpr
mk_arg (Type
arg_ty, FieldLabel
fl)
= case forall arg. [LHsRecField GhcTc arg] -> Name -> [arg]
findField (forall p arg. HsRecFields p arg -> [LHsRecField p arg]
rec_flds HsRecordBinds GhcTc
rbinds) (FieldLabel -> Name
flSelector FieldLabel
fl) of
(LocatedA (HsExpr GhcTc)
rhs:[LocatedA (HsExpr GhcTc)]
rhss) -> forall a. HasCallStack => Bool -> a -> a
assert (forall (t :: * -> *) a. Foldable t => t a -> Bool
null [LocatedA (HsExpr GhcTc)]
rhss)
LHsExpr GhcTc -> DsM CoreExpr
dsLExpr LocatedA (HsExpr GhcTc)
rhs
[] -> Id -> Type -> SDoc -> DsM CoreExpr
mkErrorAppDs Id
rEC_CON_ERROR_ID Type
arg_ty (forall a. Outputable a => a -> SDoc
ppr (FieldLabel -> FieldLabelString
flLabel FieldLabel
fl))
unlabelled_bottom :: Type -> DsM CoreExpr
unlabelled_bottom Type
arg_ty = Id -> Type -> SDoc -> DsM CoreExpr
mkErrorAppDs Id
rEC_CON_ERROR_ID Type
arg_ty SDoc
Outputable.empty
labels :: [FieldLabel]
labels = ConLike -> [FieldLabel]
conLikeFieldLabels ConLike
con_like
; [CoreExpr]
con_args <- if forall (t :: * -> *) a. Foldable t => t a -> Bool
null [FieldLabel]
labels
then forall (t :: * -> *) (m :: * -> *) a b.
(Traversable t, Monad m) =>
(a -> m b) -> t a -> m (t b)
mapM Type -> DsM CoreExpr
unlabelled_bottom (forall a b. (a -> b) -> [a] -> [b]
map forall a. Scaled a -> a
scaledThing [Scaled Type]
arg_tys)
else forall (t :: * -> *) (m :: * -> *) a b.
(Traversable t, Monad m) =>
(a -> m b) -> t a -> m (t b)
mapM (Type, FieldLabel) -> DsM CoreExpr
mk_arg (forall a b. String -> [a] -> [b] -> [(a, b)]
zipEqual String
"dsExpr:RecordCon" (forall a b. (a -> b) -> [a] -> [b]
map forall a. Scaled a -> a
scaledThing [Scaled Type]
arg_tys) [FieldLabel]
labels)
; forall (m :: * -> *) a. Monad m => a -> m a
return (CoreExpr -> [CoreExpr] -> CoreExpr
mkCoreApps CoreExpr
con_expr' [CoreExpr]
con_args) }
dsExpr RecordUpd { rupd_flds :: forall p. HsExpr p -> Either [LHsRecUpdField p] [LHsRecUpdProj p]
rupd_flds = Right [LHsRecUpdProj GhcTc]
_} =
forall a. String -> a
panic String
"The impossible happened"
dsExpr expr :: HsExpr GhcTc
expr@(RecordUpd { rupd_expr :: forall p. HsExpr p -> LHsExpr p
rupd_expr = LHsExpr GhcTc
record_expr, rupd_flds :: forall p. HsExpr p -> Either [LHsRecUpdField p] [LHsRecUpdProj p]
rupd_flds = Left [LHsRecUpdField GhcTc]
fields
, rupd_ext :: forall p. HsExpr p -> XRecordUpd p
rupd_ext = RecordUpdTc
{ rupd_cons :: RecordUpdTc -> [ConLike]
rupd_cons = [ConLike]
cons_to_upd
, rupd_in_tys :: RecordUpdTc -> [Type]
rupd_in_tys = [Type]
in_inst_tys
, rupd_out_tys :: RecordUpdTc -> [Type]
rupd_out_tys = [Type]
out_inst_tys
, rupd_wrap :: RecordUpdTc -> HsWrapper
rupd_wrap = HsWrapper
dict_req_wrap }} )
| forall (t :: * -> *) a. Foldable t => t a -> Bool
null [LHsRecUpdField GhcTc]
fields
= LHsExpr GhcTc -> DsM CoreExpr
dsLExpr LHsExpr GhcTc
record_expr
| Bool
otherwise
= forall a. HasCallStack => Bool -> SDoc -> a -> a
assertPpr (forall (f :: * -> *) a. Foldable f => f a -> Bool
notNull [ConLike]
cons_to_upd) (forall a. Outputable a => a -> SDoc
ppr HsExpr GhcTc
expr) forall a b. (a -> b) -> a -> b
$
do { CoreExpr
record_expr' <- LHsExpr GhcTc -> DsM CoreExpr
dsLExpr LHsExpr GhcTc
record_expr
; [(Name, Id, CoreExpr)]
field_binds' <- forall (t :: * -> *) (m :: * -> *) a b.
(Traversable t, Monad m) =>
(a -> m b) -> t a -> m (t b)
mapM LHsRecUpdField GhcTc -> DsM (Name, Id, CoreExpr)
ds_field [LHsRecUpdField GhcTc]
fields
; let upd_fld_env :: NameEnv Id
upd_fld_env :: NameEnv Id
upd_fld_env = forall a. [(Name, a)] -> NameEnv a
mkNameEnv [(Name
f,Id
l) | (Name
f,Id
l,CoreExpr
_) <- [(Name, Id, CoreExpr)]
field_binds']
; [GenLocated SrcSpanAnnA (Match GhcTc (LocatedA (HsExpr GhcTc)))]
alts <- forall (t :: * -> *) (m :: * -> *) a b.
(Traversable t, Monad m) =>
(a -> m b) -> t a -> m (t b)
mapM (NameEnv Id
-> ConLike
-> IOEnv
(Env DsGblEnv DsLclEnv)
(GenLocated SrcSpanAnnA (Match GhcTc (LocatedA (HsExpr GhcTc))))
mk_alt NameEnv Id
upd_fld_env) [ConLike]
cons_to_upd
; ([Id
discrim_var], CoreExpr
matching_code)
<- HsMatchContext GhcRn
-> Maybe [LHsExpr GhcTc]
-> MatchGroup GhcTc (LHsExpr GhcTc)
-> DsM ([Id], CoreExpr)
matchWrapper forall p. HsMatchContext p
RecUpd (forall a. a -> Maybe a
Just [LHsExpr GhcTc
record_expr])
(MG { mg_alts :: XRec GhcTc [LMatch GhcTc (LocatedA (HsExpr GhcTc))]
mg_alts = forall a an. a -> LocatedAn an a
noLocA [GenLocated SrcSpanAnnA (Match GhcTc (LocatedA (HsExpr GhcTc)))]
alts
, mg_ext :: XMG GhcTc (LocatedA (HsExpr GhcTc))
mg_ext = [Scaled Type] -> Type -> MatchGroupTc
MatchGroupTc [forall a. a -> Scaled a
unrestricted Type
in_ty] Type
out_ty
, mg_origin :: Origin
mg_origin = Origin
FromSource
})
; forall (m :: * -> *) a. Monad m => a -> m a
return (forall {a}. [(a, Id, CoreExpr)] -> CoreExpr -> CoreExpr
add_field_binds [(Name, Id, CoreExpr)]
field_binds' forall a b. (a -> b) -> a -> b
$
Id -> CoreExpr -> CoreExpr -> CoreExpr
bindNonRec Id
discrim_var CoreExpr
record_expr' CoreExpr
matching_code) }
where
ds_field :: LHsRecUpdField GhcTc -> DsM (Name, Id, CoreExpr)
ds_field :: LHsRecUpdField GhcTc -> DsM (Name, Id, CoreExpr)
ds_field (L SrcSpanAnnA
_ HsFieldBind
(GenLocated (SrcAnn NoEpAnns) (AmbiguousFieldOcc GhcTc))
(LocatedA (HsExpr GhcTc))
rec_field)
= do { CoreExpr
rhs <- LHsExpr GhcTc -> DsM CoreExpr
dsLExpr (forall lhs rhs. HsFieldBind lhs rhs -> rhs
hfbRHS HsFieldBind
(GenLocated (SrcAnn NoEpAnns) (AmbiguousFieldOcc GhcTc))
(LocatedA (HsExpr GhcTc))
rec_field)
; let fld_id :: Id
fld_id = forall l e. GenLocated l e -> e
unLoc (forall arg.
HsFieldBind (LAmbiguousFieldOcc GhcTc) arg -> Located Id
hsRecUpdFieldId HsFieldBind
(GenLocated (SrcAnn NoEpAnns) (AmbiguousFieldOcc GhcTc))
(LocatedA (HsExpr GhcTc))
rec_field)
; Id
lcl_id <- Type -> Type -> DsM Id
newSysLocalDs (Id -> Type
idMult Id
fld_id) (Id -> Type
idType Id
fld_id)
; forall (m :: * -> *) a. Monad m => a -> m a
return (Id -> Name
idName Id
fld_id, Id
lcl_id, CoreExpr
rhs) }
add_field_binds :: [(a, Id, CoreExpr)] -> CoreExpr -> CoreExpr
add_field_binds [] CoreExpr
expr = CoreExpr
expr
add_field_binds ((a
_,Id
b,CoreExpr
r):[(a, Id, CoreExpr)]
bs) CoreExpr
expr = Id -> CoreExpr -> CoreExpr -> CoreExpr
bindNonRec Id
b CoreExpr
r ([(a, Id, CoreExpr)] -> CoreExpr -> CoreExpr
add_field_binds [(a, Id, CoreExpr)]
bs CoreExpr
expr)
(Type
in_ty, Type
out_ty) =
case (forall a. [a] -> a
head [ConLike]
cons_to_upd) of
RealDataCon DataCon
data_con ->
let tycon :: TyCon
tycon = DataCon -> TyCon
dataConTyCon DataCon
data_con in
(TyCon -> [Type] -> Type
mkTyConApp TyCon
tycon [Type]
in_inst_tys, TyCon -> [Type] -> Type
mkFamilyTyConApp TyCon
tycon [Type]
out_inst_tys)
PatSynCon PatSyn
pat_syn ->
( PatSyn -> [Type] -> Type
patSynInstResTy PatSyn
pat_syn [Type]
in_inst_tys
, PatSyn -> [Type] -> Type
patSynInstResTy PatSyn
pat_syn [Type]
out_inst_tys)
mk_alt :: NameEnv Id
-> ConLike
-> IOEnv
(Env DsGblEnv DsLclEnv)
(GenLocated SrcSpanAnnA (Match GhcTc (LocatedA (HsExpr GhcTc))))
mk_alt NameEnv Id
upd_fld_env ConLike
con
= do { let ([Id]
univ_tvs, [Id]
ex_tvs, [EqSpec]
eq_spec,
[Type]
prov_theta, [Type]
_req_theta, [Scaled Type]
arg_tys, Type
_) = ConLike
-> ([Id], [Id], [EqSpec], [Type], [Type], [Scaled Type], Type)
conLikeFullSig ConLike
con
arg_tys' :: [Scaled Type]
arg_tys' = forall a b. (a -> b) -> [a] -> [b]
map (forall a. Type -> Scaled a -> Scaled a
scaleScaled Type
Many) [Scaled Type]
arg_tys
user_tvs :: [Id]
user_tvs = forall tv argf. [VarBndr tv argf] -> [tv]
binderVars forall a b. (a -> b) -> a -> b
$ ConLike -> [InvisTVBinder]
conLikeUserTyVarBinders ConLike
con
in_subst :: TCvSubst
in_subst :: TCvSubst
in_subst = TCvSubst -> [Id] -> TCvSubst
extendTCvInScopeList (HasDebugCallStack => [Id] -> [Type] -> TCvSubst
zipTvSubst [Id]
univ_tvs [Type]
in_inst_tys) [Id]
ex_tvs
out_tv_env :: TvSubstEnv
out_tv_env :: TvSubstEnv
out_tv_env = HasDebugCallStack => [Id] -> [Type] -> TvSubstEnv
zipTyEnv [Id]
univ_tvs [Type]
out_inst_tys
; [Id]
eqs_vars <- forall (t :: * -> *) (m :: * -> *) a b.
(Traversable t, Monad m) =>
(a -> m b) -> t a -> m (t b)
mapM Type -> DsM Id
newPredVarDs (HasDebugCallStack => TCvSubst -> [Type] -> [Type]
substTheta TCvSubst
in_subst ([EqSpec] -> [Type]
eqSpecPreds [EqSpec]
eq_spec))
; [Id]
theta_vars <- forall (t :: * -> *) (m :: * -> *) a b.
(Traversable t, Monad m) =>
(a -> m b) -> t a -> m (t b)
mapM Type -> DsM Id
newPredVarDs (HasDebugCallStack => TCvSubst -> [Type] -> [Type]
substTheta TCvSubst
in_subst [Type]
prov_theta)
; [Id]
arg_ids <- [Scaled Type] -> DsM [Id]
newSysLocalsDs (TCvSubst -> [Scaled Type] -> [Scaled Type]
substScaledTysUnchecked TCvSubst
in_subst [Scaled Type]
arg_tys')
; let field_labels :: [FieldLabel]
field_labels = ConLike -> [FieldLabel]
conLikeFieldLabels ConLike
con
val_args :: [LocatedA (HsExpr GhcTc)]
val_args = forall a b c. String -> (a -> b -> c) -> [a] -> [b] -> [c]
zipWithEqual String
"dsExpr:RecordUpd" FieldLabel -> Id -> LHsExpr GhcTc
mk_val_arg
[FieldLabel]
field_labels [Id]
arg_ids
mk_val_arg :: FieldLabel -> Id -> LHsExpr GhcTc
mk_val_arg FieldLabel
fl Id
pat_arg_id
= forall (p :: Pass) a.
IsSrcSpanAnn p a =>
IdP (GhcPass p) -> LHsExpr (GhcPass p)
nlHsVar (forall a. NameEnv a -> Name -> Maybe a
lookupNameEnv NameEnv Id
upd_fld_env (FieldLabel -> Name
flSelector FieldLabel
fl) forall a. Maybe a -> a -> a
`orElse` Id
pat_arg_id)
inst_con :: LocatedA (HsExpr GhcTc)
inst_con = forall a an. a -> LocatedAn an a
noLocA forall a b. (a -> b) -> a -> b
$ HsWrapper -> HsExpr GhcTc -> HsExpr GhcTc
mkHsWrap HsWrapper
wrap (ConLike -> HsExpr GhcTc
mkConLikeTc ConLike
con)
wrap :: HsWrapper
wrap = [Id] -> HsWrapper
mkWpEvVarApps [Id]
theta_vars HsWrapper -> HsWrapper -> HsWrapper
<.>
HsWrapper
dict_req_wrap HsWrapper -> HsWrapper -> HsWrapper
<.>
[Type] -> HsWrapper
mkWpTyApps [ forall a. VarEnv a -> Id -> Maybe a
lookupVarEnv TvSubstEnv
out_tv_env Id
tv
forall a. Maybe a -> a -> a
`orElse` Id -> Type
mkTyVarTy Id
tv
| Id
tv <- [Id]
user_tvs ]
rhs :: LocatedA (HsExpr GhcTc)
rhs = forall (t :: * -> *) b a.
Foldable t =>
(b -> a -> b) -> b -> t a -> b
foldl' (\LocatedA (HsExpr GhcTc)
a LocatedA (HsExpr GhcTc)
b -> forall (id :: Pass).
IsPass id =>
LHsExpr (GhcPass id)
-> LHsExpr (GhcPass id) -> LHsExpr (GhcPass id)
nlHsApp LocatedA (HsExpr GhcTc)
a LocatedA (HsExpr GhcTc)
b) LocatedA (HsExpr GhcTc)
inst_con [LocatedA (HsExpr GhcTc)]
val_args
wrapped_rhs :: LocatedA (HsExpr GhcTc)
wrapped_rhs =
case ConLike
con of
RealDataCon DataCon
data_con
| forall (t :: * -> *) a. Foldable t => t a -> Bool
null [EqSpec]
eq_spec -> LocatedA (HsExpr GhcTc)
rhs
| Bool
otherwise -> HsWrapper -> LHsExpr GhcTc -> LHsExpr GhcTc
mkLHsWrap (TcCoercionN -> HsWrapper
mkWpCastN TcCoercionN
wrap_co) LocatedA (HsExpr GhcTc)
rhs
where
rep_tc :: TyCon
rep_tc = DataCon -> TyCon
dataConTyCon DataCon
data_con
wrap_co :: TcCoercionN
wrap_co = TyCon -> [TcCoercionN] -> TcCoercionN
mkTcFamilyTyConAppCo TyCon
rep_tc [TcCoercionN]
univ_cos
univ_cos :: [TcCoercionN]
univ_cos = forall a b c. String -> (a -> b -> c) -> [a] -> [b] -> [c]
zipWithEqual String
"dsExpr:upd" Id -> Type -> TcCoercionN
mk_univ_co [Id]
univ_tvs [Type]
out_inst_tys
mk_univ_co :: TyVar
-> Type
-> Coercion
mk_univ_co :: Id -> Type -> TcCoercionN
mk_univ_co Id
univ_tv Type
inst_ty
= case forall a. VarEnv a -> Id -> Maybe a
lookupVarEnv VarEnv TcCoercionN
eq_spec_env Id
univ_tv of
Just TcCoercionN
co -> TcCoercionN
co
Maybe TcCoercionN
Nothing -> Type -> TcCoercionN
mkTcNomReflCo Type
inst_ty
eq_spec_env :: VarEnv Coercion
eq_spec_env :: VarEnv TcCoercionN
eq_spec_env = forall a. [(Id, a)] -> VarEnv a
mkVarEnv [ (EqSpec -> Id
eqSpecTyVar EqSpec
spec, TcCoercionN -> TcCoercionN
mkTcSymCo (Id -> TcCoercionN
mkTcCoVarCo Id
eqs_var))
| (EqSpec
spec,Id
eqs_var) <- forall a b. String -> [a] -> [b] -> [(a, b)]
zipEqual String
"dsExpr:upd2" [EqSpec]
eq_spec [Id]
eqs_vars ]
PatSynCon PatSyn
_ -> LocatedA (HsExpr GhcTc)
rhs
req_wrap :: HsWrapper
req_wrap = HsWrapper
dict_req_wrap HsWrapper -> HsWrapper -> HsWrapper
<.> [Type] -> HsWrapper
mkWpTyApps [Type]
in_inst_tys
pat :: LocatedAn AnnListItem (Pat GhcTc)
pat = forall a an. a -> LocatedAn an a
noLocA forall a b. (a -> b) -> a -> b
$ ConPat { pat_con :: XRec GhcTc (ConLikeP GhcTc)
pat_con = forall a an. a -> LocatedAn an a
noLocA ConLike
con
, pat_args :: HsConPatDetails GhcTc
pat_args = forall tyarg arg rec.
[tyarg] -> [arg] -> HsConDetails tyarg arg rec
PrefixCon [] forall a b. (a -> b) -> a -> b
$ forall a b. (a -> b) -> [a] -> [b]
map forall (p :: Pass) a.
IsSrcSpanAnn p a =>
IdP (GhcPass p) -> LPat (GhcPass p)
nlVarPat [Id]
arg_ids
, pat_con_ext :: XConPat GhcTc
pat_con_ext = ConPatTc
{ cpt_tvs :: [Id]
cpt_tvs = [Id]
ex_tvs
, cpt_dicts :: [Id]
cpt_dicts = [Id]
eqs_vars forall a. [a] -> [a] -> [a]
++ [Id]
theta_vars
, cpt_binds :: TcEvBinds
cpt_binds = TcEvBinds
emptyTcEvBinds
, cpt_arg_tys :: [Type]
cpt_arg_tys = [Type]
in_inst_tys
, cpt_wrap :: HsWrapper
cpt_wrap = HsWrapper
req_wrap
}
}
; forall (m :: * -> *) a. Monad m => a -> m a
return (forall (p :: Pass) (body :: * -> *).
(Anno (Match (GhcPass p) (LocatedA (body (GhcPass p))))
~ SrcSpanAnnA,
Anno (GRHS (GhcPass p) (LocatedA (body (GhcPass p))))
~ SrcAnn NoEpAnns) =>
HsMatchContext (GhcPass p)
-> [LPat (GhcPass p)]
-> LocatedA (body (GhcPass p))
-> LMatch (GhcPass p) (LocatedA (body (GhcPass p)))
mkSimpleMatch forall p. HsMatchContext p
RecUpd [LocatedAn AnnListItem (Pat GhcTc)
pat] LocatedA (HsExpr GhcTc)
wrapped_rhs) }
dsExpr (HsTypedBracket (HsBracketTc HsQuote GhcRn
q Type
_ Maybe QuoteWrapper
hs_wrapper [PendingTcSplice]
ps) LHsExpr GhcTc
_) = Maybe QuoteWrapper
-> HsQuote GhcRn -> [PendingTcSplice] -> DsM CoreExpr
dsBracket Maybe QuoteWrapper
hs_wrapper HsQuote GhcRn
q [PendingTcSplice]
ps
dsExpr (HsUntypedBracket (HsBracketTc HsQuote GhcRn
q Type
_ Maybe QuoteWrapper
hs_wrapper [PendingTcSplice]
ps) HsQuote GhcTc
_) = Maybe QuoteWrapper
-> HsQuote GhcRn -> [PendingTcSplice] -> DsM CoreExpr
dsBracket Maybe QuoteWrapper
hs_wrapper HsQuote GhcRn
q [PendingTcSplice]
ps
dsExpr (HsSpliceE XSpliceE GhcTc
_ HsSplice GhcTc
s) = forall a. HasCallStack => String -> SDoc -> a
pprPanic String
"dsExpr:splice" (forall a. Outputable a => a -> SDoc
ppr HsSplice GhcTc
s)
dsExpr (HsProc XProc GhcTc
_ LPat GhcTc
pat LHsCmdTop GhcTc
cmd) = LPat GhcTc -> LHsCmdTop GhcTc -> DsM CoreExpr
dsProcExpr LPat GhcTc
pat LHsCmdTop GhcTc
cmd
dsExpr (HsOverLabel XOverLabel GhcTc
x FieldLabelString
_) = forall a. DataConCantHappen -> a
dataConCantHappen XOverLabel GhcTc
x
dsExpr (OpApp XOpApp GhcTc
x LHsExpr GhcTc
_ LHsExpr GhcTc
_ LHsExpr GhcTc
_) = forall a. DataConCantHappen -> a
dataConCantHappen XOpApp GhcTc
x
dsExpr (SectionL XSectionL GhcTc
x LHsExpr GhcTc
_ LHsExpr GhcTc
_) = forall a. DataConCantHappen -> a
dataConCantHappen XSectionL GhcTc
x
dsExpr (SectionR XSectionR GhcTc
x LHsExpr GhcTc
_ LHsExpr GhcTc
_) = forall a. DataConCantHappen -> a
dataConCantHappen XSectionR GhcTc
x
ds_prag_expr :: HsPragE GhcTc -> LHsExpr GhcTc -> DsM CoreExpr
ds_prag_expr :: HsPragE GhcTc -> LHsExpr GhcTc -> DsM CoreExpr
ds_prag_expr (HsPragSCC XSCC GhcTc
_ SourceText
_ StringLiteral
cc) LHsExpr GhcTc
expr = do
DynFlags
dflags <- forall (m :: * -> *). HasDynFlags m => m DynFlags
getDynFlags
if DynFlags -> Bool
sccProfilingEnabled DynFlags
dflags Bool -> Bool -> Bool
&& GeneralFlag -> DynFlags -> Bool
gopt GeneralFlag
Opt_ProfManualCcs DynFlags
dflags
then do
Module
mod_name <- forall (m :: * -> *). HasModule m => m Module
getModule
Bool
count <- forall gbl lcl. GeneralFlag -> TcRnIf gbl lcl Bool
goptM GeneralFlag
Opt_ProfCountEntries
let nm :: FieldLabelString
nm = StringLiteral -> FieldLabelString
sl_fs StringLiteral
cc
CCFlavour
flavour <- CostCentreIndex -> CCFlavour
ExprCC forall (f :: * -> *) a b. Functor f => (a -> b) -> f a -> f b
<$> FieldLabelString -> DsM CostCentreIndex
getCCIndexDsM FieldLabelString
nm
forall b. CoreTickish -> Expr b -> Expr b
Tick (forall (pass :: TickishPass).
CostCentre -> Bool -> Bool -> GenTickish pass
ProfNote (FieldLabelString -> Module -> SrcSpan -> CCFlavour -> CostCentre
mkUserCC FieldLabelString
nm Module
mod_name (forall a e. GenLocated (SrcSpanAnn' a) e -> SrcSpan
getLocA LHsExpr GhcTc
expr) CCFlavour
flavour) Bool
count Bool
True)
forall (f :: * -> *) a b. Functor f => (a -> b) -> f a -> f b
<$> LHsExpr GhcTc -> DsM CoreExpr
dsLExpr LHsExpr GhcTc
expr
else LHsExpr GhcTc -> DsM CoreExpr
dsLExpr LHsExpr GhcTc
expr
dsSyntaxExpr :: SyntaxExpr GhcTc -> [CoreExpr] -> DsM CoreExpr
dsSyntaxExpr :: SyntaxExpr GhcTc -> [CoreExpr] -> DsM CoreExpr
dsSyntaxExpr (SyntaxExprTc { syn_expr :: SyntaxExprTc -> HsExpr GhcTc
syn_expr = HsExpr GhcTc
expr
, syn_arg_wraps :: SyntaxExprTc -> [HsWrapper]
syn_arg_wraps = [HsWrapper]
arg_wraps
, syn_res_wrap :: SyntaxExprTc -> HsWrapper
syn_res_wrap = HsWrapper
res_wrap })
[CoreExpr]
arg_exprs
= do { CoreExpr
fun <- HsExpr GhcTc -> DsM CoreExpr
dsExpr HsExpr GhcTc
expr
; [CoreExpr -> CoreExpr]
core_arg_wraps <- forall (t :: * -> *) (m :: * -> *) a b.
(Traversable t, Monad m) =>
(a -> m b) -> t a -> m (t b)
mapM HsWrapper -> DsM (CoreExpr -> CoreExpr)
dsHsWrapper [HsWrapper]
arg_wraps
; CoreExpr -> CoreExpr
core_res_wrap <- HsWrapper -> DsM (CoreExpr -> CoreExpr)
dsHsWrapper HsWrapper
res_wrap
; let wrapped_args :: [CoreExpr]
wrapped_args = forall a b c. String -> (a -> b -> c) -> [a] -> [b] -> [c]
zipWithEqual String
"dsSyntaxExpr" forall a b. (a -> b) -> a -> b
($) [CoreExpr -> CoreExpr]
core_arg_wraps [CoreExpr]
arg_exprs
; forall (m :: * -> *) a. Monad m => a -> m a
return forall a b. (a -> b) -> a -> b
$ CoreExpr -> CoreExpr
core_res_wrap (CoreExpr -> [CoreExpr] -> CoreExpr
mkCoreApps CoreExpr
fun [CoreExpr]
wrapped_args) }
dsSyntaxExpr SyntaxExprTc
SyntaxExpr GhcTc
NoSyntaxExprTc [CoreExpr]
_ = forall a. String -> a
panic String
"dsSyntaxExpr"
findField :: [LHsRecField GhcTc arg] -> Name -> [arg]
findField :: forall arg. [LHsRecField GhcTc arg] -> Name -> [arg]
findField [LHsRecField GhcTc arg]
rbinds Name
sel
= [forall lhs rhs. HsFieldBind lhs rhs -> rhs
hfbRHS HsFieldBind (GenLocated (SrcAnn NoEpAnns) (FieldOcc GhcTc)) arg
fld | L SrcSpanAnnA
_ HsFieldBind (GenLocated (SrcAnn NoEpAnns) (FieldOcc GhcTc)) arg
fld <- [LHsRecField GhcTc arg]
rbinds
, Name
sel forall a. Eq a => a -> a -> Bool
== Id -> Name
idName (forall arg. HsRecField GhcTc arg -> Id
hsRecFieldId HsFieldBind (GenLocated (SrcAnn NoEpAnns) (FieldOcc GhcTc)) arg
fld) ]
maxBuildLength :: Int
maxBuildLength :: Int
maxBuildLength = Int
32
dsExplicitList :: Type -> [LHsExpr GhcTc]
-> DsM CoreExpr
dsExplicitList :: Type -> [LHsExpr GhcTc] -> DsM CoreExpr
dsExplicitList Type
elt_ty [LHsExpr GhcTc]
xs
= do { DynFlags
dflags <- forall (m :: * -> *). HasDynFlags m => m DynFlags
getDynFlags
; [CoreExpr]
xs' <- forall (t :: * -> *) (m :: * -> *) a b.
(Traversable t, Monad m) =>
(a -> m b) -> t a -> m (t b)
mapM LHsExpr GhcTc -> DsM CoreExpr
dsLExpr [LHsExpr GhcTc]
xs
; if [CoreExpr]
xs' forall a. [a] -> Int -> Bool
`lengthExceeds` Int
maxBuildLength
Bool -> Bool -> Bool
|| forall (t :: * -> *) a. Foldable t => t a -> Bool
null [CoreExpr]
xs'
Bool -> Bool -> Bool
|| Bool -> Bool
not (GeneralFlag -> DynFlags -> Bool
gopt GeneralFlag
Opt_EnableRewriteRules DynFlags
dflags)
then forall (m :: * -> *) a. Monad m => a -> m a
return forall a b. (a -> b) -> a -> b
$ Type -> [CoreExpr] -> CoreExpr
mkListExpr Type
elt_ty [CoreExpr]
xs'
else forall (m :: * -> *).
(MonadFail m, MonadThings m, MonadUnique m) =>
Type -> ((Id, Type) -> (Id, Type) -> m CoreExpr) -> m CoreExpr
mkBuildExpr Type
elt_ty (forall {m :: * -> *} {t :: * -> *} {b} {b} {b}.
(Monad m, Foldable t) =>
t (Arg b) -> (Id, b) -> (Id, b) -> m (Arg b)
mk_build_list [CoreExpr]
xs') }
where
mk_build_list :: t (Arg b) -> (Id, b) -> (Id, b) -> m (Arg b)
mk_build_list t (Arg b)
xs' (Id
cons, b
_) (Id
nil, b
_)
= forall (m :: * -> *) a. Monad m => a -> m a
return (forall (t :: * -> *) a b.
Foldable t =>
(a -> b -> b) -> b -> t a -> b
foldr (forall b. Expr b -> Expr b -> Expr b
App forall b c a. (b -> c) -> (a -> b) -> a -> c
. forall b. Expr b -> Expr b -> Expr b
App (forall b. Id -> Expr b
Var Id
cons)) (forall b. Id -> Expr b
Var Id
nil) t (Arg b)
xs')
dsArithSeq :: PostTcExpr -> (ArithSeqInfo GhcTc) -> DsM CoreExpr
dsArithSeq :: HsExpr GhcTc -> ArithSeqInfo GhcTc -> DsM CoreExpr
dsArithSeq HsExpr GhcTc
expr (From LHsExpr GhcTc
from)
= forall b. Expr b -> Expr b -> Expr b
App forall (f :: * -> *) a b. Functor f => (a -> b) -> f a -> f b
<$> HsExpr GhcTc -> DsM CoreExpr
dsExpr HsExpr GhcTc
expr forall (f :: * -> *) a b. Applicative f => f (a -> b) -> f a -> f b
<*> LHsExpr GhcTc -> DsM CoreExpr
dsLExpr LHsExpr GhcTc
from
dsArithSeq HsExpr GhcTc
expr (FromTo LHsExpr GhcTc
from LHsExpr GhcTc
to)
= do FamInstEnvs
fam_envs <- DsM FamInstEnvs
dsGetFamInstEnvs
DynFlags
dflags <- forall (m :: * -> *). HasDynFlags m => m DynFlags
getDynFlags
FamInstEnvs
-> DynFlags
-> LHsExpr GhcTc
-> Maybe (LHsExpr GhcTc)
-> LHsExpr GhcTc
-> IOEnv (Env DsGblEnv DsLclEnv) ()
warnAboutEmptyEnumerations FamInstEnvs
fam_envs DynFlags
dflags LHsExpr GhcTc
from forall a. Maybe a
Nothing LHsExpr GhcTc
to
CoreExpr
expr' <- HsExpr GhcTc -> DsM CoreExpr
dsExpr HsExpr GhcTc
expr
CoreExpr
from' <- LHsExpr GhcTc -> DsM CoreExpr
dsLExpr LHsExpr GhcTc
from
CoreExpr
to' <- LHsExpr GhcTc -> DsM CoreExpr
dsLExpr LHsExpr GhcTc
to
forall (m :: * -> *) a. Monad m => a -> m a
return forall a b. (a -> b) -> a -> b
$ forall b. Expr b -> [Expr b] -> Expr b
mkApps CoreExpr
expr' [CoreExpr
from', CoreExpr
to']
dsArithSeq HsExpr GhcTc
expr (FromThen LHsExpr GhcTc
from LHsExpr GhcTc
thn)
= forall b. Expr b -> [Expr b] -> Expr b
mkApps forall (f :: * -> *) a b. Functor f => (a -> b) -> f a -> f b
<$> HsExpr GhcTc -> DsM CoreExpr
dsExpr HsExpr GhcTc
expr forall (f :: * -> *) a b. Applicative f => f (a -> b) -> f a -> f b
<*> forall (t :: * -> *) (m :: * -> *) a b.
(Traversable t, Monad m) =>
(a -> m b) -> t a -> m (t b)
mapM LHsExpr GhcTc -> DsM CoreExpr
dsLExpr [LHsExpr GhcTc
from, LHsExpr GhcTc
thn]
dsArithSeq HsExpr GhcTc
expr (FromThenTo LHsExpr GhcTc
from LHsExpr GhcTc
thn LHsExpr GhcTc
to)
= do FamInstEnvs
fam_envs <- DsM FamInstEnvs
dsGetFamInstEnvs
DynFlags
dflags <- forall (m :: * -> *). HasDynFlags m => m DynFlags
getDynFlags
FamInstEnvs
-> DynFlags
-> LHsExpr GhcTc
-> Maybe (LHsExpr GhcTc)
-> LHsExpr GhcTc
-> IOEnv (Env DsGblEnv DsLclEnv) ()
warnAboutEmptyEnumerations FamInstEnvs
fam_envs DynFlags
dflags LHsExpr GhcTc
from (forall a. a -> Maybe a
Just LHsExpr GhcTc
thn) LHsExpr GhcTc
to
CoreExpr
expr' <- HsExpr GhcTc -> DsM CoreExpr
dsExpr HsExpr GhcTc
expr
CoreExpr
from' <- LHsExpr GhcTc -> DsM CoreExpr
dsLExpr LHsExpr GhcTc
from
CoreExpr
thn' <- LHsExpr GhcTc -> DsM CoreExpr
dsLExpr LHsExpr GhcTc
thn
CoreExpr
to' <- LHsExpr GhcTc -> DsM CoreExpr
dsLExpr LHsExpr GhcTc
to
forall (m :: * -> *) a. Monad m => a -> m a
return forall a b. (a -> b) -> a -> b
$ forall b. Expr b -> [Expr b] -> Expr b
mkApps CoreExpr
expr' [CoreExpr
from', CoreExpr
thn', CoreExpr
to']
dsDo :: HsDoFlavour -> [ExprLStmt GhcTc] -> DsM CoreExpr
dsDo :: HsDoFlavour -> [ExprLStmt GhcTc] -> DsM CoreExpr
dsDo HsDoFlavour
ctx [ExprLStmt GhcTc]
stmts
= [GenLocated
SrcSpanAnnA (StmtLR GhcTc GhcTc (LocatedA (HsExpr GhcTc)))]
-> DsM CoreExpr
goL [ExprLStmt GhcTc]
stmts
where
goL :: [GenLocated
SrcSpanAnnA (StmtLR GhcTc GhcTc (LocatedA (HsExpr GhcTc)))]
-> DsM CoreExpr
goL [] = forall a. String -> a
panic String
"dsDo"
goL ((L SrcSpanAnnA
loc StmtLR GhcTc GhcTc (LocatedA (HsExpr GhcTc))
stmt):[GenLocated
SrcSpanAnnA (StmtLR GhcTc GhcTc (LocatedA (HsExpr GhcTc)))]
lstmts) = forall ann a. SrcSpanAnn' ann -> DsM a -> DsM a
putSrcSpanDsA SrcSpanAnnA
loc (SrcSpanAnnA
-> StmtLR GhcTc GhcTc (LocatedA (HsExpr GhcTc))
-> [GenLocated
SrcSpanAnnA (StmtLR GhcTc GhcTc (LocatedA (HsExpr GhcTc)))]
-> DsM CoreExpr
go SrcSpanAnnA
loc StmtLR GhcTc GhcTc (LocatedA (HsExpr GhcTc))
stmt [GenLocated
SrcSpanAnnA (StmtLR GhcTc GhcTc (LocatedA (HsExpr GhcTc)))]
lstmts)
go :: SrcSpanAnnA
-> StmtLR GhcTc GhcTc (LocatedA (HsExpr GhcTc))
-> [GenLocated
SrcSpanAnnA (StmtLR GhcTc GhcTc (LocatedA (HsExpr GhcTc)))]
-> DsM CoreExpr
go SrcSpanAnnA
_ (LastStmt XLastStmt GhcTc GhcTc (LocatedA (HsExpr GhcTc))
_ LocatedA (HsExpr GhcTc)
body Maybe Bool
_ SyntaxExpr GhcTc
_) [GenLocated
SrcSpanAnnA (StmtLR GhcTc GhcTc (LocatedA (HsExpr GhcTc)))]
stmts
= forall a. HasCallStack => Bool -> a -> a
assert (forall (t :: * -> *) a. Foldable t => t a -> Bool
null [GenLocated
SrcSpanAnnA (StmtLR GhcTc GhcTc (LocatedA (HsExpr GhcTc)))]
stmts ) LHsExpr GhcTc -> DsM CoreExpr
dsLExpr LocatedA (HsExpr GhcTc)
body
go SrcSpanAnnA
_ (BodyStmt XBodyStmt GhcTc GhcTc (LocatedA (HsExpr GhcTc))
_ LocatedA (HsExpr GhcTc)
rhs SyntaxExpr GhcTc
then_expr SyntaxExpr GhcTc
_) [GenLocated
SrcSpanAnnA (StmtLR GhcTc GhcTc (LocatedA (HsExpr GhcTc)))]
stmts
= do { CoreExpr
rhs2 <- LHsExpr GhcTc -> DsM CoreExpr
dsLExpr LocatedA (HsExpr GhcTc)
rhs
; LHsExpr GhcTc -> Type -> IOEnv (Env DsGblEnv DsLclEnv) ()
warnDiscardedDoBindings LocatedA (HsExpr GhcTc)
rhs (HasDebugCallStack => CoreExpr -> Type
exprType CoreExpr
rhs2)
; CoreExpr
rest <- [GenLocated
SrcSpanAnnA (StmtLR GhcTc GhcTc (LocatedA (HsExpr GhcTc)))]
-> DsM CoreExpr
goL [GenLocated
SrcSpanAnnA (StmtLR GhcTc GhcTc (LocatedA (HsExpr GhcTc)))]
stmts
; SyntaxExpr GhcTc -> [CoreExpr] -> DsM CoreExpr
dsSyntaxExpr SyntaxExpr GhcTc
then_expr [CoreExpr
rhs2, CoreExpr
rest] }
go SrcSpanAnnA
_ (LetStmt XLetStmt GhcTc GhcTc (LocatedA (HsExpr GhcTc))
_ HsLocalBinds GhcTc
binds) [GenLocated
SrcSpanAnnA (StmtLR GhcTc GhcTc (LocatedA (HsExpr GhcTc)))]
stmts
= do { CoreExpr
rest <- [GenLocated
SrcSpanAnnA (StmtLR GhcTc GhcTc (LocatedA (HsExpr GhcTc)))]
-> DsM CoreExpr
goL [GenLocated
SrcSpanAnnA (StmtLR GhcTc GhcTc (LocatedA (HsExpr GhcTc)))]
stmts
; HsLocalBinds GhcTc -> CoreExpr -> DsM CoreExpr
dsLocalBinds HsLocalBinds GhcTc
binds CoreExpr
rest }
go SrcSpanAnnA
_ (BindStmt XBindStmt GhcTc GhcTc (LocatedA (HsExpr GhcTc))
xbs LPat GhcTc
pat LocatedA (HsExpr GhcTc)
rhs) [GenLocated
SrcSpanAnnA (StmtLR GhcTc GhcTc (LocatedA (HsExpr GhcTc)))]
stmts
= do { CoreExpr
body <- [GenLocated
SrcSpanAnnA (StmtLR GhcTc GhcTc (LocatedA (HsExpr GhcTc)))]
-> DsM CoreExpr
goL [GenLocated
SrcSpanAnnA (StmtLR GhcTc GhcTc (LocatedA (HsExpr GhcTc)))]
stmts
; CoreExpr
rhs' <- LHsExpr GhcTc -> DsM CoreExpr
dsLExpr LocatedA (HsExpr GhcTc)
rhs
; Id
var <- Type -> LPat GhcTc -> DsM Id
selectSimpleMatchVarL (XBindStmtTc -> Type
xbstc_boundResultMult XBindStmt GhcTc GhcTc (LocatedA (HsExpr GhcTc))
xbs) LPat GhcTc
pat
; MatchResult CoreExpr
match <- Id
-> Maybe CoreExpr
-> HsMatchContext GhcRn
-> LPat GhcTc
-> Type
-> MatchResult CoreExpr
-> DsM (MatchResult CoreExpr)
matchSinglePatVar Id
var forall a. Maybe a
Nothing (forall p. HsStmtContext p -> HsMatchContext p
StmtCtxt (forall p. HsDoFlavour -> HsStmtContext p
HsDoStmt HsDoFlavour
ctx)) LPat GhcTc
pat
(XBindStmtTc -> Type
xbstc_boundResultType XBindStmt GhcTc GhcTc (LocatedA (HsExpr GhcTc))
xbs) (CoreExpr -> MatchResult CoreExpr
cantFailMatchResult CoreExpr
body)
; CoreExpr
match_code <- HsDoFlavour
-> LPat GhcTc
-> MatchResult CoreExpr
-> Maybe (SyntaxExpr GhcTc)
-> DsM CoreExpr
dsHandleMonadicFailure HsDoFlavour
ctx LPat GhcTc
pat MatchResult CoreExpr
match (XBindStmtTc -> Maybe (SyntaxExpr GhcTc)
xbstc_failOp XBindStmt GhcTc GhcTc (LocatedA (HsExpr GhcTc))
xbs)
; SyntaxExpr GhcTc -> [CoreExpr] -> DsM CoreExpr
dsSyntaxExpr (XBindStmtTc -> SyntaxExpr GhcTc
xbstc_bindOp XBindStmt GhcTc GhcTc (LocatedA (HsExpr GhcTc))
xbs) [CoreExpr
rhs', forall b. b -> Expr b -> Expr b
Lam Id
var CoreExpr
match_code] }
go SrcSpanAnnA
_ (ApplicativeStmt XApplicativeStmt GhcTc GhcTc (LocatedA (HsExpr GhcTc))
body_ty [(SyntaxExpr GhcTc, ApplicativeArg GhcTc)]
args Maybe (SyntaxExpr GhcTc)
mb_join) [GenLocated
SrcSpanAnnA (StmtLR GhcTc GhcTc (LocatedA (HsExpr GhcTc)))]
stmts
= do {
let
([(LocatedAn AnnListItem (Pat GhcTc), Maybe SyntaxExprTc)]
pats, [DsM CoreExpr]
rhss) = forall a b. [(a, b)] -> ([a], [b])
unzip (forall a b. (a -> b) -> [a] -> [b]
map (ApplicativeArg GhcTc
-> ((LocatedAn AnnListItem (Pat GhcTc), Maybe SyntaxExprTc),
DsM CoreExpr)
do_arg forall b c a. (b -> c) -> (a -> b) -> a -> c
. forall a b. (a, b) -> b
snd) [(SyntaxExpr GhcTc, ApplicativeArg GhcTc)]
args)
do_arg :: ApplicativeArg GhcTc
-> ((LocatedAn AnnListItem (Pat GhcTc), Maybe SyntaxExprTc),
DsM CoreExpr)
do_arg (ApplicativeArgOne XApplicativeArgOne GhcTc
fail_op LPat GhcTc
pat LHsExpr GhcTc
expr Bool
_) =
((LPat GhcTc
pat, XApplicativeArgOne GhcTc
fail_op), LHsExpr GhcTc -> DsM CoreExpr
dsLExpr LHsExpr GhcTc
expr)
do_arg (ApplicativeArgMany XApplicativeArgMany GhcTc
_ [ExprLStmt GhcTc]
stmts HsExpr GhcTc
ret LPat GhcTc
pat HsDoFlavour
_) =
((LPat GhcTc
pat, forall a. Maybe a
Nothing), HsDoFlavour -> [ExprLStmt GhcTc] -> DsM CoreExpr
dsDo HsDoFlavour
ctx ([ExprLStmt GhcTc]
stmts forall a. [a] -> [a] -> [a]
++ [forall a an. a -> LocatedAn an a
noLocA forall a b. (a -> b) -> a -> b
$ forall (idR :: Pass) (bodyR :: * -> *) (idL :: Pass).
IsPass idR =>
LocatedA (bodyR (GhcPass idR))
-> StmtLR
(GhcPass idL) (GhcPass idR) (LocatedA (bodyR (GhcPass idR)))
mkLastStmt (forall a an. a -> LocatedAn an a
noLocA HsExpr GhcTc
ret)]))
; [CoreExpr]
rhss' <- forall (t :: * -> *) (m :: * -> *) a.
(Traversable t, Monad m) =>
t (m a) -> m (t a)
sequence [DsM CoreExpr]
rhss
; CoreExpr
body' <- LHsExpr GhcTc -> DsM CoreExpr
dsLExpr forall a b. (a -> b) -> a -> b
$ forall a an. a -> LocatedAn an a
noLocA forall a b. (a -> b) -> a -> b
$ forall p. XDo p -> HsDoFlavour -> XRec p [ExprLStmt p] -> HsExpr p
HsDo XApplicativeStmt GhcTc GhcTc (LocatedA (HsExpr GhcTc))
body_ty HsDoFlavour
ctx (forall a an. a -> LocatedAn an a
noLocA [GenLocated
SrcSpanAnnA (StmtLR GhcTc GhcTc (LocatedA (HsExpr GhcTc)))]
stmts)
; let match_args :: (LocatedAn AnnListItem (Pat GhcTc), Maybe SyntaxExprTc)
-> ([Id], CoreExpr) -> DsM ([Id], CoreExpr)
match_args (LocatedAn AnnListItem (Pat GhcTc)
pat, Maybe SyntaxExprTc
fail_op) ([Id]
vs,CoreExpr
body)
= forall a. SrcSpan -> DsM a -> DsM a
putSrcSpanDs (forall a e. GenLocated (SrcSpanAnn' a) e -> SrcSpan
getLocA LocatedAn AnnListItem (Pat GhcTc)
pat) forall a b. (a -> b) -> a -> b
$
do { Id
var <- Type -> LPat GhcTc -> DsM Id
selectSimpleMatchVarL Type
Many LocatedAn AnnListItem (Pat GhcTc)
pat
; MatchResult CoreExpr
match <- Id
-> Maybe CoreExpr
-> HsMatchContext GhcRn
-> LPat GhcTc
-> Type
-> MatchResult CoreExpr
-> DsM (MatchResult CoreExpr)
matchSinglePatVar Id
var forall a. Maybe a
Nothing (forall p. HsStmtContext p -> HsMatchContext p
StmtCtxt (forall p. HsDoFlavour -> HsStmtContext p
HsDoStmt HsDoFlavour
ctx)) LocatedAn AnnListItem (Pat GhcTc)
pat
XApplicativeStmt GhcTc GhcTc (LocatedA (HsExpr GhcTc))
body_ty (CoreExpr -> MatchResult CoreExpr
cantFailMatchResult CoreExpr
body)
; CoreExpr
match_code <- HsDoFlavour
-> LPat GhcTc
-> MatchResult CoreExpr
-> Maybe (SyntaxExpr GhcTc)
-> DsM CoreExpr
dsHandleMonadicFailure HsDoFlavour
ctx LocatedAn AnnListItem (Pat GhcTc)
pat MatchResult CoreExpr
match Maybe SyntaxExprTc
fail_op
; forall (m :: * -> *) a. Monad m => a -> m a
return (Id
varforall a. a -> [a] -> [a]
:[Id]
vs, CoreExpr
match_code)
}
; ([Id]
vars, CoreExpr
body) <- forall (t :: * -> *) (m :: * -> *) a b.
(Foldable t, Monad m) =>
(a -> b -> m b) -> b -> t a -> m b
foldrM (LocatedAn AnnListItem (Pat GhcTc), Maybe SyntaxExprTc)
-> ([Id], CoreExpr) -> DsM ([Id], CoreExpr)
match_args ([],CoreExpr
body') [(LocatedAn AnnListItem (Pat GhcTc), Maybe SyntaxExprTc)]
pats
; let fun' :: CoreExpr
fun' = forall b. [b] -> Expr b -> Expr b
mkLams [Id]
vars CoreExpr
body
; let mk_ap_call :: CoreExpr -> (SyntaxExprTc, CoreExpr) -> DsM CoreExpr
mk_ap_call CoreExpr
l (SyntaxExprTc
op,CoreExpr
r) = SyntaxExpr GhcTc -> [CoreExpr] -> DsM CoreExpr
dsSyntaxExpr SyntaxExprTc
op [CoreExpr
l,CoreExpr
r]
; CoreExpr
expr <- forall (t :: * -> *) (m :: * -> *) b a.
(Foldable t, Monad m) =>
(b -> a -> m b) -> b -> t a -> m b
foldlM CoreExpr -> (SyntaxExprTc, CoreExpr) -> DsM CoreExpr
mk_ap_call CoreExpr
fun' (forall a b. [a] -> [b] -> [(a, b)]
zip (forall a b. (a -> b) -> [a] -> [b]
map forall a b. (a, b) -> a
fst [(SyntaxExpr GhcTc, ApplicativeArg GhcTc)]
args) [CoreExpr]
rhss')
; case Maybe (SyntaxExpr GhcTc)
mb_join of
Maybe (SyntaxExpr GhcTc)
Nothing -> forall (m :: * -> *) a. Monad m => a -> m a
return CoreExpr
expr
Just SyntaxExpr GhcTc
join_op -> SyntaxExpr GhcTc -> [CoreExpr] -> DsM CoreExpr
dsSyntaxExpr SyntaxExpr GhcTc
join_op [CoreExpr
expr] }
go SrcSpanAnnA
loc (RecStmt { recS_stmts :: forall idL idR body.
StmtLR idL idR body -> XRec idR [LStmtLR idL idR body]
recS_stmts = L SrcSpanAnnL
_ [GenLocated
SrcSpanAnnA (StmtLR GhcTc GhcTc (LocatedA (HsExpr GhcTc)))]
rec_stmts, recS_later_ids :: forall idL idR body. StmtLR idL idR body -> [IdP idR]
recS_later_ids = [IdP GhcTc]
later_ids
, recS_rec_ids :: forall idL idR body. StmtLR idL idR body -> [IdP idR]
recS_rec_ids = [IdP GhcTc]
rec_ids, recS_ret_fn :: forall idL idR body. StmtLR idL idR body -> SyntaxExpr idR
recS_ret_fn = SyntaxExpr GhcTc
return_op
, recS_mfix_fn :: forall idL idR body. StmtLR idL idR body -> SyntaxExpr idR
recS_mfix_fn = SyntaxExpr GhcTc
mfix_op, recS_bind_fn :: forall idL idR body. StmtLR idL idR body -> SyntaxExpr idR
recS_bind_fn = SyntaxExpr GhcTc
bind_op
, recS_ext :: forall idL idR body. StmtLR idL idR body -> XRecStmt idL idR body
recS_ext = RecStmtTc
{ recS_bind_ty :: RecStmtTc -> Type
recS_bind_ty = Type
bind_ty
, recS_rec_rets :: RecStmtTc -> [HsExpr GhcTc]
recS_rec_rets = [HsExpr GhcTc]
rec_rets
, recS_ret_ty :: RecStmtTc -> Type
recS_ret_ty = Type
body_ty} }) [GenLocated
SrcSpanAnnA (StmtLR GhcTc GhcTc (LocatedA (HsExpr GhcTc)))]
stmts
= [GenLocated
SrcSpanAnnA (StmtLR GhcTc GhcTc (LocatedA (HsExpr GhcTc)))]
-> DsM CoreExpr
goL (GenLocated
SrcSpanAnnA (StmtLR GhcTc GhcTc (LocatedA (HsExpr GhcTc)))
new_bind_stmt forall a. a -> [a] -> [a]
: [GenLocated
SrcSpanAnnA (StmtLR GhcTc GhcTc (LocatedA (HsExpr GhcTc)))]
stmts)
where
new_bind_stmt :: GenLocated
SrcSpanAnnA (StmtLR GhcTc GhcTc (LocatedA (HsExpr GhcTc)))
new_bind_stmt = forall l e. l -> e -> GenLocated l e
L SrcSpanAnnA
loc forall a b. (a -> b) -> a -> b
$ forall idL idR body.
XBindStmt idL idR body -> LPat idL -> body -> StmtLR idL idR body
BindStmt
XBindStmtTc
{ xbstc_bindOp :: SyntaxExpr GhcTc
xbstc_bindOp = SyntaxExpr GhcTc
bind_op
, xbstc_boundResultType :: Type
xbstc_boundResultType = Type
bind_ty
, xbstc_boundResultMult :: Type
xbstc_boundResultMult = Type
Many
, xbstc_failOp :: Maybe (SyntaxExpr GhcTc)
xbstc_failOp = forall a. Maybe a
Nothing
}
([LPat GhcTc] -> LPat GhcTc
mkBigLHsPatTupId [LocatedAn AnnListItem (Pat GhcTc)]
later_pats)
LHsExpr GhcTc
mfix_app
tup_ids :: [Id]
tup_ids = [IdP GhcTc]
rec_ids forall a. [a] -> [a] -> [a]
++ forall a. (a -> Bool) -> [a] -> [a]
filterOut (forall (t :: * -> *) a. (Foldable t, Eq a) => a -> t a -> Bool
`elem` [IdP GhcTc]
rec_ids) [IdP GhcTc]
later_ids
tup_ty :: Type
tup_ty = [Type] -> Type
mkBigCoreTupTy (forall a b. (a -> b) -> [a] -> [b]
map Id -> Type
idType [Id]
tup_ids)
rec_tup_pats :: [LocatedAn AnnListItem (Pat GhcTc)]
rec_tup_pats = forall a b. (a -> b) -> [a] -> [b]
map forall (p :: Pass) a.
IsSrcSpanAnn p a =>
IdP (GhcPass p) -> LPat (GhcPass p)
nlVarPat [Id]
tup_ids
later_pats :: [LocatedAn AnnListItem (Pat GhcTc)]
later_pats = [LocatedAn AnnListItem (Pat GhcTc)]
rec_tup_pats
rets :: [LocatedA (HsExpr GhcTc)]
rets = forall a b. (a -> b) -> [a] -> [b]
map forall a an. a -> LocatedAn an a
noLocA [HsExpr GhcTc]
rec_rets
mfix_app :: LHsExpr GhcTc
mfix_app = SyntaxExprTc -> [LHsExpr GhcTc] -> LHsExpr GhcTc
nlHsSyntaxApps SyntaxExpr GhcTc
mfix_op [LocatedA (HsExpr GhcTc)
mfix_arg]
mfix_arg :: LocatedA (HsExpr GhcTc)
mfix_arg = forall a an. a -> LocatedAn an a
noLocA forall a b. (a -> b) -> a -> b
$ forall p. XLam p -> MatchGroup p (LHsExpr p) -> HsExpr p
HsLam NoExtField
noExtField
(MG { mg_alts :: XRec GhcTc [LMatch GhcTc (LocatedA (HsExpr GhcTc))]
mg_alts = forall a an. a -> LocatedAn an a
noLocA [forall (p :: Pass) (body :: * -> *).
(Anno (Match (GhcPass p) (LocatedA (body (GhcPass p))))
~ SrcSpanAnnA,
Anno (GRHS (GhcPass p) (LocatedA (body (GhcPass p))))
~ SrcAnn NoEpAnns) =>
HsMatchContext (GhcPass p)
-> [LPat (GhcPass p)]
-> LocatedA (body (GhcPass p))
-> LMatch (GhcPass p) (LocatedA (body (GhcPass p)))
mkSimpleMatch
forall p. HsMatchContext p
LambdaExpr
[LocatedAn AnnListItem (Pat GhcTc)
mfix_pat] LocatedA (HsExpr GhcTc)
body]
, mg_ext :: XMG GhcTc (LocatedA (HsExpr GhcTc))
mg_ext = [Scaled Type] -> Type -> MatchGroupTc
MatchGroupTc [forall a. a -> Scaled a
unrestricted Type
tup_ty] Type
body_ty
, mg_origin :: Origin
mg_origin = Origin
Generated })
mfix_pat :: LocatedAn AnnListItem (Pat GhcTc)
mfix_pat = forall a an. a -> LocatedAn an a
noLocA forall a b. (a -> b) -> a -> b
$ forall p. XLazyPat p -> LPat p -> Pat p
LazyPat NoExtField
noExtField forall a b. (a -> b) -> a -> b
$ [LPat GhcTc] -> LPat GhcTc
mkBigLHsPatTupId [LocatedAn AnnListItem (Pat GhcTc)]
rec_tup_pats
body :: LocatedA (HsExpr GhcTc)
body = forall a an. a -> LocatedAn an a
noLocA forall a b. (a -> b) -> a -> b
$ forall p. XDo p -> HsDoFlavour -> XRec p [ExprLStmt p] -> HsExpr p
HsDo Type
body_ty
HsDoFlavour
ctx (forall a an. a -> LocatedAn an a
noLocA ([GenLocated
SrcSpanAnnA (StmtLR GhcTc GhcTc (LocatedA (HsExpr GhcTc)))]
rec_stmts forall a. [a] -> [a] -> [a]
++ [GenLocated
SrcSpanAnnA (StmtLR GhcTc GhcTc (LocatedA (HsExpr GhcTc)))
ret_stmt]))
ret_app :: LHsExpr GhcTc
ret_app = SyntaxExprTc -> [LHsExpr GhcTc] -> LHsExpr GhcTc
nlHsSyntaxApps SyntaxExpr GhcTc
return_op [[LHsExpr GhcTc] -> LHsExpr GhcTc
mkBigLHsTupId [LocatedA (HsExpr GhcTc)]
rets]
ret_stmt :: GenLocated
SrcSpanAnnA (StmtLR GhcTc GhcTc (LocatedA (HsExpr GhcTc)))
ret_stmt = forall a an. a -> LocatedAn an a
noLocA forall a b. (a -> b) -> a -> b
$ forall (idR :: Pass) (bodyR :: * -> *) (idL :: Pass).
IsPass idR =>
LocatedA (bodyR (GhcPass idR))
-> StmtLR
(GhcPass idL) (GhcPass idR) (LocatedA (bodyR (GhcPass idR)))
mkLastStmt LHsExpr GhcTc
ret_app
go SrcSpanAnnA
_ (ParStmt {}) [GenLocated
SrcSpanAnnA (StmtLR GhcTc GhcTc (LocatedA (HsExpr GhcTc)))]
_ = forall a. String -> a
panic String
"dsDo ParStmt"
go SrcSpanAnnA
_ (TransStmt {}) [GenLocated
SrcSpanAnnA (StmtLR GhcTc GhcTc (LocatedA (HsExpr GhcTc)))]
_ = forall a. String -> a
panic String
"dsDo TransStmt"
dsHsVar :: Id -> DsM CoreExpr
dsHsVar :: Id -> DsM CoreExpr
dsHsVar Id
var
= forall (m :: * -> *) a. Monad m => a -> m a
return (forall b. Id -> Expr b
varToCoreExpr Id
var)
dsHsConLike :: ConLike -> DsM CoreExpr
dsHsConLike :: ConLike -> DsM CoreExpr
dsHsConLike (RealDataCon DataCon
dc)
= forall (m :: * -> *) a. Monad m => a -> m a
return (forall b. Id -> Expr b
varToCoreExpr (DataCon -> Id
dataConWrapId DataCon
dc))
dsHsConLike (PatSynCon PatSyn
ps)
| Just (Name
builder_name, Type
_, Bool
add_void) <- PatSyn -> Maybe (Name, Type, Bool)
patSynBuilder PatSyn
ps
= do { Id
builder_id <- Name -> DsM Id
dsLookupGlobalId Name
builder_name
; forall (m :: * -> *) a. Monad m => a -> m a
return (if Bool
add_void
then SDoc -> CoreExpr -> CoreExpr -> CoreExpr
mkCoreApp (String -> SDoc
text String
"dsConLike" SDoc -> SDoc -> SDoc
<+> forall a. Outputable a => a -> SDoc
ppr PatSyn
ps)
(forall b. Id -> Expr b
Var Id
builder_id) (forall b. Id -> Expr b
Var Id
voidPrimId)
else forall b. Id -> Expr b
Var Id
builder_id) }
| Bool
otherwise
= forall a. HasCallStack => String -> SDoc -> a
pprPanic String
"dsConLike" (forall a. Outputable a => a -> SDoc
ppr PatSyn
ps)
dsConLike :: ConLike -> [TcTyVar] -> [Scaled Type] -> DsM CoreExpr
dsConLike :: ConLike -> [Id] -> [Scaled Type] -> DsM CoreExpr
dsConLike ConLike
con [Id]
tvs [Scaled Type]
tys
= do { CoreExpr
ds_con <- ConLike -> DsM CoreExpr
dsHsConLike ConLike
con
; [Id]
ids <- [Scaled Type] -> DsM [Id]
newSysLocalsDs [Scaled Type]
tys
; forall (m :: * -> *) a. Monad m => a -> m a
return (forall b. [b] -> Expr b -> Expr b
mkLams [Id]
tvs forall a b. (a -> b) -> a -> b
$
forall b. [b] -> Expr b -> Expr b
mkLams [Id]
ids forall a b. (a -> b) -> a -> b
$
CoreExpr
ds_con forall b. Expr b -> [Type] -> Expr b
`mkTyApps` [Id] -> [Type]
mkTyVarTys [Id]
tvs
forall b. Expr b -> [Id] -> Expr b
`mkVarApps` [Id] -> [Id]
drop_stupid [Id]
ids) }
where
drop_stupid :: [Id] -> [Id]
drop_stupid = forall b a. [b] -> [a] -> [a]
dropList (ConLike -> [Type]
conLikeStupidTheta ConLike
con)
warnDiscardedDoBindings :: LHsExpr GhcTc -> Type -> DsM ()
warnDiscardedDoBindings :: LHsExpr GhcTc -> Type -> IOEnv (Env DsGblEnv DsLclEnv) ()
warnDiscardedDoBindings LHsExpr GhcTc
rhs Type
rhs_ty
| Just (Type
m_ty, Type
elt_ty) <- Type -> Maybe (Type, Type)
tcSplitAppTy_maybe Type
rhs_ty
= do { Bool
warn_unused <- forall gbl lcl. WarningFlag -> TcRnIf gbl lcl Bool
woptM WarningFlag
Opt_WarnUnusedDoBind
; Bool
warn_wrong <- forall gbl lcl. WarningFlag -> TcRnIf gbl lcl Bool
woptM WarningFlag
Opt_WarnWrongDoBind
; forall (f :: * -> *). Applicative f => Bool -> f () -> f ()
when (Bool
warn_unused Bool -> Bool -> Bool
|| Bool
warn_wrong) forall a b. (a -> b) -> a -> b
$
do { FamInstEnvs
fam_inst_envs <- DsM FamInstEnvs
dsGetFamInstEnvs
; let norm_elt_ty :: Type
norm_elt_ty = FamInstEnvs -> Type -> Type
topNormaliseType FamInstEnvs
fam_inst_envs Type
elt_ty
; if Bool
warn_unused Bool -> Bool -> Bool
&& Bool -> Bool
not (Type -> Bool
isUnitTy Type
norm_elt_ty)
then DsMessage -> IOEnv (Env DsGblEnv DsLclEnv) ()
diagnosticDs (LHsExpr GhcTc -> Type -> DsMessage
DsUnusedDoBind LHsExpr GhcTc
rhs Type
elt_ty)
else
forall (f :: * -> *). Applicative f => Bool -> f () -> f ()
when Bool
warn_wrong forall a b. (a -> b) -> a -> b
$
case Type -> Maybe (Type, Type)
tcSplitAppTy_maybe Type
norm_elt_ty of
Just (Type
elt_m_ty, Type
_)
| Type
m_ty Type -> Type -> Bool
`eqType` FamInstEnvs -> Type -> Type
topNormaliseType FamInstEnvs
fam_inst_envs Type
elt_m_ty
-> DsMessage -> IOEnv (Env DsGblEnv DsLclEnv) ()
diagnosticDs (LHsExpr GhcTc -> Type -> DsMessage
DsWrongDoBind LHsExpr GhcTc
rhs Type
elt_ty)
Maybe (Type, Type)
_ -> forall (m :: * -> *) a. Monad m => a -> m a
return () } }
| Bool
otherwise
= forall (m :: * -> *) a. Monad m => a -> m a
return ()
dsHsWrapped :: HsExpr GhcTc -> DsM CoreExpr
dsHsWrapped :: HsExpr GhcTc -> DsM CoreExpr
dsHsWrapped HsExpr GhcTc
orig_hs_expr
= HsWrapper -> HsExpr GhcTc -> DsM CoreExpr
go HsWrapper
idHsWrapper HsExpr GhcTc
orig_hs_expr
where
go :: HsWrapper -> HsExpr GhcTc -> DsM CoreExpr
go HsWrapper
wrap (HsPar XPar GhcTc
_ LHsToken "(" GhcTc
_ (L SrcSpanAnnA
_ HsExpr GhcTc
hs_e) LHsToken ")" GhcTc
_)
= HsWrapper -> HsExpr GhcTc -> DsM CoreExpr
go HsWrapper
wrap HsExpr GhcTc
hs_e
go HsWrapper
wrap1 (XExpr (WrapExpr (HsWrap HsWrapper
wrap2 HsExpr GhcTc
hs_e)))
= HsWrapper -> HsExpr GhcTc -> DsM CoreExpr
go (HsWrapper
wrap1 HsWrapper -> HsWrapper -> HsWrapper
<.> HsWrapper
wrap2) HsExpr GhcTc
hs_e
go HsWrapper
wrap (HsAppType XAppTypeE GhcTc
ty (L SrcSpanAnnA
_ HsExpr GhcTc
hs_e) LHsWcType (NoGhcTc GhcTc)
_)
= HsWrapper -> HsExpr GhcTc -> DsM CoreExpr
go (HsWrapper
wrap HsWrapper -> HsWrapper -> HsWrapper
<.> Type -> HsWrapper
WpTyApp XAppTypeE GhcTc
ty) HsExpr GhcTc
hs_e
go HsWrapper
wrap (HsVar XVar GhcTc
_ (L SrcSpanAnnN
_ Id
var))
= do { CoreExpr -> CoreExpr
wrap' <- HsWrapper -> DsM (CoreExpr -> CoreExpr)
dsHsWrapper HsWrapper
wrap
; let expr :: CoreExpr
expr = CoreExpr -> CoreExpr
wrap' (forall b. Id -> Expr b
varToCoreExpr Id
var)
ty :: Type
ty = HasDebugCallStack => CoreExpr -> Type
exprType CoreExpr
expr
; DynFlags
dflags <- forall (m :: * -> *). HasDynFlags m => m DynFlags
getDynFlags
; DynFlags -> Id -> Type -> IOEnv (Env DsGblEnv DsLclEnv) ()
warnAboutIdentities DynFlags
dflags Id
var Type
ty
; forall (m :: * -> *) a. Monad m => a -> m a
return CoreExpr
expr }
go HsWrapper
wrap HsExpr GhcTc
hs_e
= do { CoreExpr -> CoreExpr
wrap' <- HsWrapper -> DsM (CoreExpr -> CoreExpr)
dsHsWrapper HsWrapper
wrap
; forall a. Origin -> Bag Id -> DsM a -> DsM a
addTyCs Origin
FromSource (HsWrapper -> Bag Id
hsWrapDictBinders HsWrapper
wrap) forall a b. (a -> b) -> a -> b
$
do { CoreExpr
e <- HsExpr GhcTc -> DsM CoreExpr
dsExpr HsExpr GhcTc
hs_e
; forall (m :: * -> *) a. Monad m => a -> m a
return (CoreExpr -> CoreExpr
wrap' CoreExpr
e) } }