{-# LANGUAGE TypeFamilies #-}
{-# LANGUAGE BlockArguments #-}
{-# LANGUAGE TupleSections #-}
{-# OPTIONS_GHC -Wno-incomplete-record-updates #-}
module GHC.HsToCore.Arrows ( dsProcExpr ) where
import GHC.Prelude
import GHC.HsToCore.Match
import GHC.HsToCore.Utils
import GHC.HsToCore.Monad
import GHC.Hs
import GHC.Hs.Syn.Type
import {-# SOURCE #-} GHC.HsToCore.Expr ( dsExpr, dsLExpr, dsLocalBinds,
dsSyntaxExpr )
import GHC.Tc.Utils.TcType
import GHC.Core.Multiplicity
import GHC.Tc.Types.Evidence
import GHC.Core
import GHC.Core.FVs
import GHC.Core.Utils
import GHC.Core.Make
import GHC.HsToCore.Binds (dsHsWrapper)
import GHC.Types.Id
import GHC.Core.ConLike
import GHC.Builtin.Types
import GHC.Types.Basic
import GHC.Builtin.Names
import GHC.Utils.Outputable
import GHC.Utils.Panic
import GHC.Types.Var.Set
import GHC.Types.SrcLoc
import GHC.Data.List.SetOps( assocMaybe )
import Data.Foldable (toList)
import Data.List (mapAccumL)
import Data.List.NonEmpty (NonEmpty(..), nonEmpty)
import GHC.Utils.Misc
import GHC.Types.Unique.DSet
data DsCmdEnv = DsCmdEnv {
DsCmdEnv -> CoreExpr
arr_id, DsCmdEnv -> CoreExpr
compose_id, DsCmdEnv -> CoreExpr
first_id, DsCmdEnv -> CoreExpr
app_id, DsCmdEnv -> CoreExpr
choice_id, DsCmdEnv -> CoreExpr
loop_id :: CoreExpr
}
mkCmdEnv :: CmdSyntaxTable GhcTc -> DsM ([CoreBind], DsCmdEnv)
mkCmdEnv :: CmdSyntaxTable GhcTc -> DsM ([CoreBind], DsCmdEnv)
mkCmdEnv CmdSyntaxTable GhcTc
tc_meths
= do { ([CoreBind]
meth_binds, [(Name, Id)]
prs) <- ((Name, HsExpr GhcTc)
-> IOEnv (Env DsGblEnv DsLclEnv) (CoreBind, (Name, Id)))
-> CmdSyntaxTable GhcTc
-> IOEnv (Env DsGblEnv DsLclEnv) ([CoreBind], [(Name, Id)])
forall (m :: * -> *) a b c.
Applicative m =>
(a -> m (b, c)) -> [a] -> m ([b], [c])
mapAndUnzipM (Name, HsExpr GhcTc)
-> IOEnv (Env DsGblEnv DsLclEnv) (CoreBind, (Name, Id))
forall a.
(a, HsExpr GhcTc)
-> IOEnv (Env DsGblEnv DsLclEnv) (CoreBind, (a, Id))
mk_bind CmdSyntaxTable GhcTc
tc_meths
; let the_arr_id :: Maybe Id
the_arr_id = [(Name, Id)] -> Name -> Maybe Id
forall a b. Eq a => Assoc a b -> a -> Maybe b
assocMaybe [(Name, Id)]
prs Name
arrAName
the_compose_id :: Maybe Id
the_compose_id = [(Name, Id)] -> Name -> Maybe Id
forall a b. Eq a => Assoc a b -> a -> Maybe b
assocMaybe [(Name, Id)]
prs Name
composeAName
the_first_id :: Maybe Id
the_first_id = [(Name, Id)] -> Name -> Maybe Id
forall a b. Eq a => Assoc a b -> a -> Maybe b
assocMaybe [(Name, Id)]
prs Name
firstAName
the_app_id :: Maybe Id
the_app_id = [(Name, Id)] -> Name -> Maybe Id
forall a b. Eq a => Assoc a b -> a -> Maybe b
assocMaybe [(Name, Id)]
prs Name
appAName
the_choice_id :: Maybe Id
the_choice_id = [(Name, Id)] -> Name -> Maybe Id
forall a b. Eq a => Assoc a b -> a -> Maybe b
assocMaybe [(Name, Id)]
prs Name
choiceAName
the_loop_id :: Maybe Id
the_loop_id = [(Name, Id)] -> Name -> Maybe Id
forall a b. Eq a => Assoc a b -> a -> Maybe b
assocMaybe [(Name, Id)]
prs Name
loopAName
; ([CoreBind], DsCmdEnv) -> DsM ([CoreBind], DsCmdEnv)
forall (m :: * -> *) a. Monad m => a -> m a
return ([CoreBind]
meth_binds, DsCmdEnv :: CoreExpr
-> CoreExpr
-> CoreExpr
-> CoreExpr
-> CoreExpr
-> CoreExpr
-> DsCmdEnv
DsCmdEnv {
arr_id :: CoreExpr
arr_id = Id -> CoreExpr
forall b. Id -> Expr b
Var (Maybe Id -> Name -> Id
forall a p. Outputable a => Maybe p -> a -> p
unmaybe Maybe Id
the_arr_id Name
arrAName),
compose_id :: CoreExpr
compose_id = Id -> CoreExpr
forall b. Id -> Expr b
Var (Maybe Id -> Name -> Id
forall a p. Outputable a => Maybe p -> a -> p
unmaybe Maybe Id
the_compose_id Name
composeAName),
first_id :: CoreExpr
first_id = Id -> CoreExpr
forall b. Id -> Expr b
Var (Maybe Id -> Name -> Id
forall a p. Outputable a => Maybe p -> a -> p
unmaybe Maybe Id
the_first_id Name
firstAName),
app_id :: CoreExpr
app_id = Id -> CoreExpr
forall b. Id -> Expr b
Var (Maybe Id -> Name -> Id
forall a p. Outputable a => Maybe p -> a -> p
unmaybe Maybe Id
the_app_id Name
appAName),
choice_id :: CoreExpr
choice_id = Id -> CoreExpr
forall b. Id -> Expr b
Var (Maybe Id -> Name -> Id
forall a p. Outputable a => Maybe p -> a -> p
unmaybe Maybe Id
the_choice_id Name
choiceAName),
loop_id :: CoreExpr
loop_id = Id -> CoreExpr
forall b. Id -> Expr b
Var (Maybe Id -> Name -> Id
forall a p. Outputable a => Maybe p -> a -> p
unmaybe Maybe Id
the_loop_id Name
loopAName)
}) }
where
mk_bind :: (a, HsExpr GhcTc)
-> IOEnv (Env DsGblEnv DsLclEnv) (CoreBind, (a, Id))
mk_bind (a
std_name, HsExpr GhcTc
expr)
= do { CoreExpr
rhs <- HsExpr GhcTc -> DsM CoreExpr
dsExpr HsExpr GhcTc
expr
; Id
id <- Mult -> Mult -> DsM Id
newSysLocalDs Mult
Many (HasDebugCallStack => CoreExpr -> Mult
CoreExpr -> Mult
exprType CoreExpr
rhs)
; (CoreBind, (a, Id))
-> IOEnv (Env DsGblEnv DsLclEnv) (CoreBind, (a, Id))
forall (m :: * -> *) a. Monad m => a -> m a
return (Id -> CoreExpr -> CoreBind
forall b. b -> Expr b -> Bind b
NonRec Id
id CoreExpr
rhs, (a
std_name, Id
id)) }
unmaybe :: Maybe p -> a -> p
unmaybe Maybe p
Nothing a
name = String -> SDoc -> p
forall a. HasCallStack => String -> SDoc -> a
pprPanic String
"mkCmdEnv" (String -> SDoc
text String
"Not found:" SDoc -> SDoc -> SDoc
<+> a -> SDoc
forall a. Outputable a => a -> SDoc
ppr a
name)
unmaybe (Just p
id) a
_ = p
id
do_arr :: DsCmdEnv -> Type -> Type -> CoreExpr -> CoreExpr
do_arr :: DsCmdEnv -> Mult -> Mult -> CoreExpr -> CoreExpr
do_arr DsCmdEnv
ids Mult
b_ty Mult
c_ty CoreExpr
f = CoreExpr -> [CoreExpr] -> CoreExpr
forall b. Expr b -> [Expr b] -> Expr b
mkApps (DsCmdEnv -> CoreExpr
arr_id DsCmdEnv
ids) [Mult -> CoreExpr
forall b. Mult -> Expr b
Type Mult
b_ty, Mult -> CoreExpr
forall b. Mult -> Expr b
Type Mult
c_ty, CoreExpr
f]
do_compose :: DsCmdEnv -> Type -> Type -> Type ->
CoreExpr -> CoreExpr -> CoreExpr
do_compose :: DsCmdEnv
-> Mult -> Mult -> Mult -> CoreExpr -> CoreExpr -> CoreExpr
do_compose DsCmdEnv
ids Mult
b_ty Mult
c_ty Mult
d_ty CoreExpr
f CoreExpr
g
= CoreExpr -> [CoreExpr] -> CoreExpr
forall b. Expr b -> [Expr b] -> Expr b
mkApps (DsCmdEnv -> CoreExpr
compose_id DsCmdEnv
ids) [Mult -> CoreExpr
forall b. Mult -> Expr b
Type Mult
b_ty, Mult -> CoreExpr
forall b. Mult -> Expr b
Type Mult
c_ty, Mult -> CoreExpr
forall b. Mult -> Expr b
Type Mult
d_ty, CoreExpr
f, CoreExpr
g]
do_first :: DsCmdEnv -> Type -> Type -> Type -> CoreExpr -> CoreExpr
do_first :: DsCmdEnv -> Mult -> Mult -> Mult -> CoreExpr -> CoreExpr
do_first DsCmdEnv
ids Mult
b_ty Mult
c_ty Mult
d_ty CoreExpr
f
= CoreExpr -> [CoreExpr] -> CoreExpr
forall b. Expr b -> [Expr b] -> Expr b
mkApps (DsCmdEnv -> CoreExpr
first_id DsCmdEnv
ids) [Mult -> CoreExpr
forall b. Mult -> Expr b
Type Mult
b_ty, Mult -> CoreExpr
forall b. Mult -> Expr b
Type Mult
c_ty, Mult -> CoreExpr
forall b. Mult -> Expr b
Type Mult
d_ty, CoreExpr
f]
do_app :: DsCmdEnv -> Type -> Type -> CoreExpr
do_app :: DsCmdEnv -> Mult -> Mult -> CoreExpr
do_app DsCmdEnv
ids Mult
b_ty Mult
c_ty = CoreExpr -> [CoreExpr] -> CoreExpr
forall b. Expr b -> [Expr b] -> Expr b
mkApps (DsCmdEnv -> CoreExpr
app_id DsCmdEnv
ids) [Mult -> CoreExpr
forall b. Mult -> Expr b
Type Mult
b_ty, Mult -> CoreExpr
forall b. Mult -> Expr b
Type Mult
c_ty]
do_choice :: DsCmdEnv -> Type -> Type -> Type ->
CoreExpr -> CoreExpr -> CoreExpr
do_choice :: DsCmdEnv
-> Mult -> Mult -> Mult -> CoreExpr -> CoreExpr -> CoreExpr
do_choice DsCmdEnv
ids Mult
b_ty Mult
c_ty Mult
d_ty CoreExpr
f CoreExpr
g
= CoreExpr -> [CoreExpr] -> CoreExpr
forall b. Expr b -> [Expr b] -> Expr b
mkApps (DsCmdEnv -> CoreExpr
choice_id DsCmdEnv
ids) [Mult -> CoreExpr
forall b. Mult -> Expr b
Type Mult
b_ty, Mult -> CoreExpr
forall b. Mult -> Expr b
Type Mult
d_ty, Mult -> CoreExpr
forall b. Mult -> Expr b
Type Mult
c_ty, CoreExpr
f, CoreExpr
g]
do_loop :: DsCmdEnv -> Type -> Type -> Type -> CoreExpr -> CoreExpr
do_loop :: DsCmdEnv -> Mult -> Mult -> Mult -> CoreExpr -> CoreExpr
do_loop DsCmdEnv
ids Mult
b_ty Mult
c_ty Mult
d_ty CoreExpr
f
= CoreExpr -> [CoreExpr] -> CoreExpr
forall b. Expr b -> [Expr b] -> Expr b
mkApps (DsCmdEnv -> CoreExpr
loop_id DsCmdEnv
ids) [Mult -> CoreExpr
forall b. Mult -> Expr b
Type Mult
b_ty, Mult -> CoreExpr
forall b. Mult -> Expr b
Type Mult
d_ty, Mult -> CoreExpr
forall b. Mult -> Expr b
Type Mult
c_ty, CoreExpr
f]
do_premap :: DsCmdEnv -> Type -> Type -> Type ->
CoreExpr -> CoreExpr -> CoreExpr
do_premap :: DsCmdEnv
-> Mult -> Mult -> Mult -> CoreExpr -> CoreExpr -> CoreExpr
do_premap DsCmdEnv
ids Mult
b_ty Mult
c_ty Mult
d_ty CoreExpr
f CoreExpr
g
= DsCmdEnv
-> Mult -> Mult -> Mult -> CoreExpr -> CoreExpr -> CoreExpr
do_compose DsCmdEnv
ids Mult
b_ty Mult
c_ty Mult
d_ty (DsCmdEnv -> Mult -> Mult -> CoreExpr -> CoreExpr
do_arr DsCmdEnv
ids Mult
b_ty Mult
c_ty CoreExpr
f) CoreExpr
g
mkFstExpr :: Type -> Type -> DsM CoreExpr
mkFstExpr :: Mult -> Mult -> DsM CoreExpr
mkFstExpr Mult
a_ty Mult
b_ty = do
Id
a_var <- Mult -> Mult -> DsM Id
newSysLocalDs Mult
Many Mult
a_ty
Id
b_var <- Mult -> Mult -> DsM Id
newSysLocalDs Mult
Many Mult
b_ty
Id
pair_var <- Mult -> Mult -> DsM Id
newSysLocalDs Mult
Many (Mult -> Mult -> Mult
mkCorePairTy Mult
a_ty Mult
b_ty)
CoreExpr -> DsM CoreExpr
forall (m :: * -> *) a. Monad m => a -> m a
return (Id -> CoreExpr -> CoreExpr
forall b. b -> Expr b -> Expr b
Lam Id
pair_var
(Id -> Id -> Id -> CoreExpr -> CoreExpr
coreCasePair Id
pair_var Id
a_var Id
b_var (Id -> CoreExpr
forall b. Id -> Expr b
Var Id
a_var)))
mkSndExpr :: Type -> Type -> DsM CoreExpr
mkSndExpr :: Mult -> Mult -> DsM CoreExpr
mkSndExpr Mult
a_ty Mult
b_ty = do
Id
a_var <- Mult -> Mult -> DsM Id
newSysLocalDs Mult
Many Mult
a_ty
Id
b_var <- Mult -> Mult -> DsM Id
newSysLocalDs Mult
Many Mult
b_ty
Id
pair_var <- Mult -> Mult -> DsM Id
newSysLocalDs Mult
Many (Mult -> Mult -> Mult
mkCorePairTy Mult
a_ty Mult
b_ty)
CoreExpr -> DsM CoreExpr
forall (m :: * -> *) a. Monad m => a -> m a
return (Id -> CoreExpr -> CoreExpr
forall b. b -> Expr b -> Expr b
Lam Id
pair_var
(Id -> Id -> Id -> CoreExpr -> CoreExpr
coreCasePair Id
pair_var Id
a_var Id
b_var (Id -> CoreExpr
forall b. Id -> Expr b
Var Id
b_var)))
coreCaseTuple :: UniqSupply -> Id -> [Id] -> CoreExpr -> CoreExpr
coreCaseTuple :: UniqSupply -> Id -> [Id] -> CoreExpr -> CoreExpr
coreCaseTuple UniqSupply
uniqs Id
scrut_var [Id]
vars CoreExpr
body
= UniqSupply -> [Id] -> CoreExpr -> Id -> CoreExpr -> CoreExpr
mkTupleCase UniqSupply
uniqs [Id]
vars CoreExpr
body Id
scrut_var (Id -> CoreExpr
forall b. Id -> Expr b
Var Id
scrut_var)
coreCasePair :: Id -> Id -> Id -> CoreExpr -> CoreExpr
coreCasePair :: Id -> Id -> Id -> CoreExpr -> CoreExpr
coreCasePair Id
scrut_var Id
var1 Id
var2 CoreExpr
body
= CoreExpr -> Id -> Mult -> [Alt Id] -> CoreExpr
forall b. Expr b -> b -> Mult -> [Alt b] -> Expr b
Case (Id -> CoreExpr
forall b. Id -> Expr b
Var Id
scrut_var) Id
scrut_var (HasDebugCallStack => CoreExpr -> Mult
CoreExpr -> Mult
exprType CoreExpr
body)
[AltCon -> [Id] -> CoreExpr -> Alt Id
forall b. AltCon -> [b] -> Expr b -> Alt b
Alt (DataCon -> AltCon
DataAlt (Boxity -> Arity -> DataCon
tupleDataCon Boxity
Boxed Arity
2)) [Id
var1, Id
var2] CoreExpr
body]
mkCorePairTy :: Type -> Type -> Type
mkCorePairTy :: Mult -> Mult -> Mult
mkCorePairTy Mult
t1 Mult
t2 = [Mult] -> Mult
mkBoxedTupleTy [Mult
t1, Mult
t2]
mkCorePairExpr :: CoreExpr -> CoreExpr -> CoreExpr
mkCorePairExpr :: CoreExpr -> CoreExpr -> CoreExpr
mkCorePairExpr CoreExpr
e1 CoreExpr
e2 = [CoreExpr] -> CoreExpr
mkCoreTup [CoreExpr
e1, CoreExpr
e2]
mkCoreUnitExpr :: CoreExpr
mkCoreUnitExpr :: CoreExpr
mkCoreUnitExpr = [CoreExpr] -> CoreExpr
mkCoreTup []
envStackType :: [Id] -> Type -> Type
envStackType :: [Id] -> Mult -> Mult
envStackType [Id]
ids Mult
stack_ty = Mult -> Mult -> Mult
mkCorePairTy ([Id] -> Mult
mkBigCoreVarTupTy [Id]
ids) Mult
stack_ty
splitTypeAt :: Int -> Type -> ([Type], Type)
splitTypeAt :: Arity -> Mult -> ([Mult], Mult)
splitTypeAt Arity
n Mult
ty
| Arity
n Arity -> Arity -> Bool
forall a. Eq a => a -> a -> Bool
== Arity
0 = ([], Mult
ty)
| Bool
otherwise = case Mult -> [Mult]
tcTyConAppArgs Mult
ty of
[Mult
t, Mult
ty'] -> let ([Mult]
ts, Mult
ty_r) = Arity -> Mult -> ([Mult], Mult)
splitTypeAt (Arity
nArity -> Arity -> Arity
forall a. Num a => a -> a -> a
-Arity
1) Mult
ty' in (Mult
tMult -> [Mult] -> [Mult]
forall a. a -> [a] -> [a]
:[Mult]
ts, Mult
ty_r)
[Mult]
_ -> String -> SDoc -> ([Mult], Mult)
forall a. HasCallStack => String -> SDoc -> a
pprPanic String
"splitTypeAt" (Mult -> SDoc
forall a. Outputable a => a -> SDoc
ppr Mult
ty)
buildEnvStack :: [Id] -> Id -> CoreExpr
buildEnvStack :: [Id] -> Id -> CoreExpr
buildEnvStack [Id]
env_ids Id
stack_id
= CoreExpr -> CoreExpr -> CoreExpr
mkCorePairExpr ([Id] -> CoreExpr
mkBigCoreVarTup [Id]
env_ids) (Id -> CoreExpr
forall b. Id -> Expr b
Var Id
stack_id)
matchEnvStack :: [Id]
-> Id
-> CoreExpr
-> DsM CoreExpr
matchEnvStack :: [Id] -> Id -> CoreExpr -> DsM CoreExpr
matchEnvStack [Id]
env_ids Id
stack_id CoreExpr
body = do
UniqSupply
uniqs <- TcRnIf DsGblEnv DsLclEnv UniqSupply
forall gbl lcl. TcRnIf gbl lcl UniqSupply
newUniqueSupply
Id
tup_var <- Mult -> Mult -> DsM Id
newSysLocalDs Mult
Many ([Id] -> Mult
mkBigCoreVarTupTy [Id]
env_ids)
let match_env :: CoreExpr
match_env = UniqSupply -> Id -> [Id] -> CoreExpr -> CoreExpr
coreCaseTuple UniqSupply
uniqs Id
tup_var [Id]
env_ids CoreExpr
body
Id
pair_id <- Mult -> Mult -> DsM Id
newSysLocalDs Mult
Many (Mult -> Mult -> Mult
mkCorePairTy (Id -> Mult
idType Id
tup_var) (Id -> Mult
idType Id
stack_id))
CoreExpr -> DsM CoreExpr
forall (m :: * -> *) a. Monad m => a -> m a
return (Id -> CoreExpr -> CoreExpr
forall b. b -> Expr b -> Expr b
Lam Id
pair_id (Id -> Id -> Id -> CoreExpr -> CoreExpr
coreCasePair Id
pair_id Id
tup_var Id
stack_id CoreExpr
match_env))
matchEnv :: [Id]
-> CoreExpr
-> DsM CoreExpr
matchEnv :: [Id] -> CoreExpr -> DsM CoreExpr
matchEnv [Id]
env_ids CoreExpr
body = do
UniqSupply
uniqs <- TcRnIf DsGblEnv DsLclEnv UniqSupply
forall gbl lcl. TcRnIf gbl lcl UniqSupply
newUniqueSupply
Id
tup_id <- Mult -> Mult -> DsM Id
newSysLocalDs Mult
Many ([Id] -> Mult
mkBigCoreVarTupTy [Id]
env_ids)
CoreExpr -> DsM CoreExpr
forall (m :: * -> *) a. Monad m => a -> m a
return (Id -> CoreExpr -> CoreExpr
forall b. b -> Expr b -> Expr b
Lam Id
tup_id (UniqSupply -> Id -> [Id] -> CoreExpr -> CoreExpr
coreCaseTuple UniqSupply
uniqs Id
tup_id [Id]
env_ids CoreExpr
body))
matchVarStack :: [Id] -> Id -> CoreExpr -> DsM (Id, CoreExpr)
matchVarStack :: [Id] -> Id -> CoreExpr -> DsM (Id, CoreExpr)
matchVarStack [] Id
stack_id CoreExpr
body = (Id, CoreExpr) -> DsM (Id, CoreExpr)
forall (m :: * -> *) a. Monad m => a -> m a
return (Id
stack_id, CoreExpr
body)
matchVarStack (Id
param_id:[Id]
param_ids) Id
stack_id CoreExpr
body = do
(Id
tail_id, CoreExpr
tail_code) <- [Id] -> Id -> CoreExpr -> DsM (Id, CoreExpr)
matchVarStack [Id]
param_ids Id
stack_id CoreExpr
body
Id
pair_id <- Mult -> Mult -> DsM Id
newSysLocalDs Mult
Many (Mult -> Mult -> Mult
mkCorePairTy (Id -> Mult
idType Id
param_id) (Id -> Mult
idType Id
tail_id))
(Id, CoreExpr) -> DsM (Id, CoreExpr)
forall (m :: * -> *) a. Monad m => a -> m a
return (Id
pair_id, Id -> Id -> Id -> CoreExpr -> CoreExpr
coreCasePair Id
pair_id Id
param_id Id
tail_id CoreExpr
tail_code)
mkHsEnvStackExpr :: [Id] -> Id -> LHsExpr GhcTc
mkHsEnvStackExpr :: [Id] -> Id -> LHsExpr GhcTc
mkHsEnvStackExpr [Id]
env_ids Id
stack_id
= [LHsExpr GhcTc] -> XExplicitTuple GhcTc -> LHsExpr GhcTc
forall (p :: Pass).
[LHsExpr (GhcPass p)]
-> XExplicitTuple (GhcPass p) -> LHsExpr (GhcPass p)
mkLHsTupleExpr [[IdP GhcTc] -> XExplicitTuple GhcTc -> LHsExpr GhcTc
forall (p :: Pass) a.
IsSrcSpanAnn p a =>
[IdP (GhcPass p)]
-> XExplicitTuple (GhcPass p) -> LHsExpr (GhcPass p)
mkLHsVarTuple [IdP GhcTc]
[Id]
env_ids NoExtField
XExplicitTuple GhcTc
noExtField, IdP GhcTc -> LHsExpr GhcTc
forall (p :: Pass) a.
IsSrcSpanAnn p a =>
IdP (GhcPass p) -> LHsExpr (GhcPass p)
nlHsVar IdP GhcTc
Id
stack_id]
NoExtField
XExplicitTuple GhcTc
noExtField
dsProcExpr
:: LPat GhcTc
-> LHsCmdTop GhcTc
-> DsM CoreExpr
dsProcExpr :: LPat GhcTc -> LHsCmdTop GhcTc -> DsM CoreExpr
dsProcExpr LPat GhcTc
pat (L _ (HsCmdTop (CmdTopTc _unitTy cmd_ty ids) cmd)) = do
([CoreBind]
meth_binds, DsCmdEnv
meth_ids) <- CmdSyntaxTable GhcTc -> DsM ([CoreBind], DsCmdEnv)
mkCmdEnv CmdSyntaxTable GhcTc
ids
let locals :: VarSet
locals = [Id] -> VarSet
mkVarSet (CollectFlag GhcTc -> LPat GhcTc -> [IdP GhcTc]
forall p. CollectPass p => CollectFlag p -> LPat p -> [IdP p]
collectPatBinders CollectFlag GhcTc
CollWithDictBinders LPat GhcTc
pat)
(CoreExpr
core_cmd, DIdSet
_free_vars, [Id]
env_ids)
<- DsCmdEnv
-> VarSet
-> Mult
-> Mult
-> LHsCmd GhcTc
-> DsM (CoreExpr, DIdSet, [Id])
dsfixCmd DsCmdEnv
meth_ids VarSet
locals Mult
unitTy Mult
cmd_ty LHsCmd GhcTc
cmd
let env_ty :: Mult
env_ty = [Id] -> Mult
mkBigCoreVarTupTy [Id]
env_ids
let env_stk_ty :: Mult
env_stk_ty = Mult -> Mult -> Mult
mkCorePairTy Mult
env_ty Mult
unitTy
let env_stk_expr :: CoreExpr
env_stk_expr = CoreExpr -> CoreExpr -> CoreExpr
mkCorePairExpr ([Id] -> CoreExpr
mkBigCoreVarTup [Id]
env_ids) CoreExpr
mkCoreUnitExpr
CoreExpr
fail_expr <- HsMatchContext GhcRn -> Mult -> DsM CoreExpr
mkFailExpr (HsArrowMatchContext -> HsMatchContext GhcRn
forall p. HsArrowMatchContext -> HsMatchContext p
ArrowMatchCtxt HsArrowMatchContext
ProcExpr) Mult
env_stk_ty
Id
var <- Mult -> LPat GhcTc -> DsM Id
selectSimpleMatchVarL Mult
Many LPat GhcTc
pat
CoreExpr
match_code <- CoreExpr
-> HsMatchContext GhcRn
-> LPat GhcTc
-> CoreExpr
-> CoreExpr
-> DsM CoreExpr
matchSimply (Id -> CoreExpr
forall b. Id -> Expr b
Var Id
var) (HsArrowMatchContext -> HsMatchContext GhcRn
forall p. HsArrowMatchContext -> HsMatchContext p
ArrowMatchCtxt HsArrowMatchContext
ProcExpr) LPat GhcTc
pat CoreExpr
env_stk_expr CoreExpr
fail_expr
let pat_ty :: Mult
pat_ty = LPat GhcTc -> Mult
hsLPatType LPat GhcTc
pat
let proc_code :: CoreExpr
proc_code = DsCmdEnv
-> Mult -> Mult -> Mult -> CoreExpr -> CoreExpr -> CoreExpr
do_premap DsCmdEnv
meth_ids Mult
pat_ty Mult
env_stk_ty Mult
cmd_ty
(Id -> CoreExpr -> CoreExpr
forall b. b -> Expr b -> Expr b
Lam Id
var CoreExpr
match_code)
CoreExpr
core_cmd
CoreExpr -> DsM CoreExpr
forall (m :: * -> *) a. Monad m => a -> m a
return ([CoreBind] -> CoreExpr -> CoreExpr
forall b. [Bind b] -> Expr b -> Expr b
mkLets [CoreBind]
meth_binds CoreExpr
proc_code)
dsLCmd :: DsCmdEnv -> IdSet -> Type -> Type -> LHsCmd GhcTc -> [Id]
-> DsM (CoreExpr, DIdSet)
dsLCmd :: DsCmdEnv
-> VarSet
-> Mult
-> Mult
-> LHsCmd GhcTc
-> [Id]
-> DsM (CoreExpr, DIdSet)
dsLCmd DsCmdEnv
ids VarSet
local_vars Mult
stk_ty Mult
res_ty LHsCmd GhcTc
cmd [Id]
env_ids
= DsCmdEnv
-> VarSet
-> Mult
-> Mult
-> HsCmd GhcTc
-> [Id]
-> DsM (CoreExpr, DIdSet)
dsCmd DsCmdEnv
ids VarSet
local_vars Mult
stk_ty Mult
res_ty (GenLocated SrcSpanAnnA (HsCmd GhcTc) -> HsCmd GhcTc
forall l e. GenLocated l e -> e
unLoc LHsCmd GhcTc
GenLocated SrcSpanAnnA (HsCmd GhcTc)
cmd) [Id]
env_ids
dsCmd :: DsCmdEnv
-> IdSet
-> Type
-> Type
-> HsCmd GhcTc
-> [Id]
-> DsM (CoreExpr,
DIdSet)
dsCmd :: DsCmdEnv
-> VarSet
-> Mult
-> Mult
-> HsCmd GhcTc
-> [Id]
-> DsM (CoreExpr, DIdSet)
dsCmd DsCmdEnv
ids VarSet
local_vars Mult
stack_ty Mult
res_ty
(HsCmdArrApp XCmdArrApp GhcTc
arrow_ty LHsExpr GhcTc
arrow LHsExpr GhcTc
arg HsArrAppType
HsFirstOrderApp Bool
_)
[Id]
env_ids = do
let
(Mult
a_arg_ty, Mult
_res_ty') = Mult -> (Mult, Mult)
tcSplitAppTy XCmdArrApp GhcTc
Mult
arrow_ty
(Mult
_a_ty, Mult
arg_ty) = Mult -> (Mult, Mult)
tcSplitAppTy Mult
a_arg_ty
CoreExpr
core_arrow <- LHsExpr GhcTc -> DsM CoreExpr
dsLExpr LHsExpr GhcTc
arrow
CoreExpr
core_arg <- LHsExpr GhcTc -> DsM CoreExpr
dsLExpr LHsExpr GhcTc
arg
Id
stack_id <- Mult -> Mult -> DsM Id
newSysLocalDs Mult
Many Mult
stack_ty
CoreExpr
core_make_arg <- [Id] -> Id -> CoreExpr -> DsM CoreExpr
matchEnvStack [Id]
env_ids Id
stack_id CoreExpr
core_arg
(CoreExpr, DIdSet) -> DsM (CoreExpr, DIdSet)
forall (m :: * -> *) a. Monad m => a -> m a
return (DsCmdEnv
-> Mult -> Mult -> Mult -> CoreExpr -> CoreExpr -> CoreExpr
do_premap DsCmdEnv
ids
([Id] -> Mult -> Mult
envStackType [Id]
env_ids Mult
stack_ty)
Mult
arg_ty
Mult
res_ty
CoreExpr
core_make_arg
CoreExpr
core_arrow,
CoreExpr -> DIdSet
exprFreeIdsDSet CoreExpr
core_arg DIdSet -> VarSet -> DIdSet
forall a. UniqDSet a -> UniqSet a -> UniqDSet a
`uniqDSetIntersectUniqSet` VarSet
local_vars)
dsCmd DsCmdEnv
ids VarSet
local_vars Mult
stack_ty Mult
res_ty
(HsCmdArrApp XCmdArrApp GhcTc
arrow_ty LHsExpr GhcTc
arrow LHsExpr GhcTc
arg HsArrAppType
HsHigherOrderApp Bool
_)
[Id]
env_ids = do
let
(Mult
a_arg_ty, Mult
_res_ty') = Mult -> (Mult, Mult)
tcSplitAppTy XCmdArrApp GhcTc
Mult
arrow_ty
(Mult
_a_ty, Mult
arg_ty) = Mult -> (Mult, Mult)
tcSplitAppTy Mult
a_arg_ty
CoreExpr
core_arrow <- LHsExpr GhcTc -> DsM CoreExpr
dsLExpr LHsExpr GhcTc
arrow
CoreExpr
core_arg <- LHsExpr GhcTc -> DsM CoreExpr
dsLExpr LHsExpr GhcTc
arg
Id
stack_id <- Mult -> Mult -> DsM Id
newSysLocalDs Mult
Many Mult
stack_ty
CoreExpr
core_make_pair <- [Id] -> Id -> CoreExpr -> DsM CoreExpr
matchEnvStack [Id]
env_ids Id
stack_id
(CoreExpr -> CoreExpr -> CoreExpr
mkCorePairExpr CoreExpr
core_arrow CoreExpr
core_arg)
(CoreExpr, DIdSet) -> DsM (CoreExpr, DIdSet)
forall (m :: * -> *) a. Monad m => a -> m a
return (DsCmdEnv
-> Mult -> Mult -> Mult -> CoreExpr -> CoreExpr -> CoreExpr
do_premap DsCmdEnv
ids
([Id] -> Mult -> Mult
envStackType [Id]
env_ids Mult
stack_ty)
(Mult -> Mult -> Mult
mkCorePairTy XCmdArrApp GhcTc
Mult
arrow_ty Mult
arg_ty)
Mult
res_ty
CoreExpr
core_make_pair
(DsCmdEnv -> Mult -> Mult -> CoreExpr
do_app DsCmdEnv
ids Mult
arg_ty Mult
res_ty),
([CoreExpr] -> DIdSet
exprsFreeIdsDSet [CoreExpr
core_arrow, CoreExpr
core_arg])
DIdSet -> VarSet -> DIdSet
forall a. UniqDSet a -> UniqSet a -> UniqDSet a
`uniqDSetIntersectUniqSet` VarSet
local_vars)
dsCmd DsCmdEnv
ids VarSet
local_vars Mult
stack_ty Mult
res_ty (HsCmdApp XCmdApp GhcTc
_ LHsCmd GhcTc
cmd LHsExpr GhcTc
arg) [Id]
env_ids = do
CoreExpr
core_arg <- LHsExpr GhcTc -> DsM CoreExpr
dsLExpr LHsExpr GhcTc
arg
let
arg_ty :: Mult
arg_ty = HasDebugCallStack => CoreExpr -> Mult
CoreExpr -> Mult
exprType CoreExpr
core_arg
stack_ty' :: Mult
stack_ty' = Mult -> Mult -> Mult
mkCorePairTy Mult
arg_ty Mult
stack_ty
(CoreExpr
core_cmd, DIdSet
free_vars, [Id]
env_ids')
<- DsCmdEnv
-> VarSet
-> Mult
-> Mult
-> LHsCmd GhcTc
-> DsM (CoreExpr, DIdSet, [Id])
dsfixCmd DsCmdEnv
ids VarSet
local_vars Mult
stack_ty' Mult
res_ty LHsCmd GhcTc
cmd
Id
stack_id <- Mult -> Mult -> DsM Id
newSysLocalDs Mult
Many Mult
stack_ty
Id
arg_id <- Mult -> Mult -> DsM Id
newSysLocalDs Mult
Many Mult
arg_ty
let
stack' :: CoreExpr
stack' = CoreExpr -> CoreExpr -> CoreExpr
mkCorePairExpr (Id -> CoreExpr
forall b. Id -> Expr b
Var Id
arg_id) (Id -> CoreExpr
forall b. Id -> Expr b
Var Id
stack_id)
core_body :: CoreExpr
core_body = HasDebugCallStack => Id -> CoreExpr -> CoreExpr -> CoreExpr
Id -> CoreExpr -> CoreExpr -> CoreExpr
bindNonRec Id
arg_id CoreExpr
core_arg
(CoreExpr -> CoreExpr -> CoreExpr
mkCorePairExpr ([Id] -> CoreExpr
mkBigCoreVarTup [Id]
env_ids') CoreExpr
stack')
CoreExpr
core_map <- [Id] -> Id -> CoreExpr -> DsM CoreExpr
matchEnvStack [Id]
env_ids Id
stack_id CoreExpr
core_body
(CoreExpr, DIdSet) -> DsM (CoreExpr, DIdSet)
forall (m :: * -> *) a. Monad m => a -> m a
return (DsCmdEnv
-> Mult -> Mult -> Mult -> CoreExpr -> CoreExpr -> CoreExpr
do_premap DsCmdEnv
ids
([Id] -> Mult -> Mult
envStackType [Id]
env_ids Mult
stack_ty)
([Id] -> Mult -> Mult
envStackType [Id]
env_ids' Mult
stack_ty')
Mult
res_ty
CoreExpr
core_map
CoreExpr
core_cmd,
DIdSet
free_vars DIdSet -> DIdSet -> DIdSet
`unionDVarSet`
(CoreExpr -> DIdSet
exprFreeIdsDSet CoreExpr
core_arg DIdSet -> VarSet -> DIdSet
forall a. UniqDSet a -> UniqSet a -> UniqDSet a
`uniqDSetIntersectUniqSet` VarSet
local_vars))
dsCmd DsCmdEnv
ids VarSet
local_vars Mult
stack_ty Mult
res_ty
(HsCmdLam XCmdLam GhcTc
_ (MG { mg_alts :: forall p body. MatchGroup p body -> XRec p [LMatch p body]
mg_alts
= (L _ [L _ (Match { m_pats = pats
, m_grhss = GRHSs _ [L _ (GRHS _ [] body)] _ })]) }))
[Id]
env_ids
= DsCmdEnv
-> VarSet
-> Mult
-> Mult
-> [LPat GhcTc]
-> LHsCmd GhcTc
-> [Id]
-> DsM (CoreExpr, DIdSet)
dsCmdLam DsCmdEnv
ids VarSet
local_vars Mult
stack_ty Mult
res_ty [LPat GhcTc]
pats LHsCmd GhcTc
GenLocated SrcSpanAnnA (HsCmd GhcTc)
body [Id]
env_ids
dsCmd DsCmdEnv
ids VarSet
local_vars Mult
stack_ty Mult
res_ty (HsCmdPar XCmdPar GhcTc
_ LHsToken "(" GhcTc
_ LHsCmd GhcTc
cmd LHsToken ")" GhcTc
_) [Id]
env_ids
= DsCmdEnv
-> VarSet
-> Mult
-> Mult
-> LHsCmd GhcTc
-> [Id]
-> DsM (CoreExpr, DIdSet)
dsLCmd DsCmdEnv
ids VarSet
local_vars Mult
stack_ty Mult
res_ty LHsCmd GhcTc
cmd [Id]
env_ids
dsCmd DsCmdEnv
ids VarSet
local_vars Mult
stack_ty Mult
res_ty (HsCmdIf XCmdIf GhcTc
_ SyntaxExpr GhcTc
mb_fun LHsExpr GhcTc
cond LHsCmd GhcTc
then_cmd LHsCmd GhcTc
else_cmd)
[Id]
env_ids = do
CoreExpr
core_cond <- LHsExpr GhcTc -> DsM CoreExpr
dsLExpr LHsExpr GhcTc
cond
(CoreExpr
core_then, DIdSet
fvs_then, [Id]
then_ids)
<- DsCmdEnv
-> VarSet
-> Mult
-> Mult
-> LHsCmd GhcTc
-> DsM (CoreExpr, DIdSet, [Id])
dsfixCmd DsCmdEnv
ids VarSet
local_vars Mult
stack_ty Mult
res_ty LHsCmd GhcTc
then_cmd
(CoreExpr
core_else, DIdSet
fvs_else, [Id]
else_ids)
<- DsCmdEnv
-> VarSet
-> Mult
-> Mult
-> LHsCmd GhcTc
-> DsM (CoreExpr, DIdSet, [Id])
dsfixCmd DsCmdEnv
ids VarSet
local_vars Mult
stack_ty Mult
res_ty LHsCmd GhcTc
else_cmd
Id
stack_id <- Mult -> Mult -> DsM Id
newSysLocalDs Mult
Many Mult
stack_ty
TyCon
either_con <- Name -> DsM TyCon
dsLookupTyCon Name
eitherTyConName
DataCon
left_con <- Name -> DsM DataCon
dsLookupDataCon Name
leftDataConName
DataCon
right_con <- Name -> DsM DataCon
dsLookupDataCon Name
rightDataConName
let mk_left_expr :: Mult -> Mult -> CoreExpr -> CoreExpr
mk_left_expr Mult
ty1 Mult
ty2 CoreExpr
e = DataCon -> [CoreExpr] -> CoreExpr
mkCoreConApps DataCon
left_con [Mult -> CoreExpr
forall b. Mult -> Expr b
Type Mult
ty1,Mult -> CoreExpr
forall b. Mult -> Expr b
Type Mult
ty2, CoreExpr
e]
mk_right_expr :: Mult -> Mult -> CoreExpr -> CoreExpr
mk_right_expr Mult
ty1 Mult
ty2 CoreExpr
e = DataCon -> [CoreExpr] -> CoreExpr
mkCoreConApps DataCon
right_con [Mult -> CoreExpr
forall b. Mult -> Expr b
Type Mult
ty1,Mult -> CoreExpr
forall b. Mult -> Expr b
Type Mult
ty2, CoreExpr
e]
in_ty :: Mult
in_ty = [Id] -> Mult -> Mult
envStackType [Id]
env_ids Mult
stack_ty
then_ty :: Mult
then_ty = [Id] -> Mult -> Mult
envStackType [Id]
then_ids Mult
stack_ty
else_ty :: Mult
else_ty = [Id] -> Mult -> Mult
envStackType [Id]
else_ids Mult
stack_ty
sum_ty :: Mult
sum_ty = TyCon -> [Mult] -> Mult
mkTyConApp TyCon
either_con [Mult
then_ty, Mult
else_ty]
fvs_cond :: DIdSet
fvs_cond = CoreExpr -> DIdSet
exprFreeIdsDSet CoreExpr
core_cond
DIdSet -> VarSet -> DIdSet
forall a. UniqDSet a -> UniqSet a -> UniqDSet a
`uniqDSetIntersectUniqSet` VarSet
local_vars
core_left :: CoreExpr
core_left = Mult -> Mult -> CoreExpr -> CoreExpr
mk_left_expr Mult
then_ty Mult
else_ty
([Id] -> Id -> CoreExpr
buildEnvStack [Id]
then_ids Id
stack_id)
core_right :: CoreExpr
core_right = Mult -> Mult -> CoreExpr -> CoreExpr
mk_right_expr Mult
then_ty Mult
else_ty
([Id] -> Id -> CoreExpr
buildEnvStack [Id]
else_ids Id
stack_id)
CoreExpr
core_if <- case SyntaxExpr GhcTc
mb_fun of
SyntaxExpr GhcTc
NoSyntaxExprTc -> [Id] -> Id -> CoreExpr -> DsM CoreExpr
matchEnvStack [Id]
env_ids Id
stack_id (CoreExpr -> DsM CoreExpr) -> CoreExpr -> DsM CoreExpr
forall a b. (a -> b) -> a -> b
$
CoreExpr -> CoreExpr -> CoreExpr -> CoreExpr
mkIfThenElse CoreExpr
core_cond CoreExpr
core_left CoreExpr
core_right
SyntaxExpr GhcTc
_ -> do { CoreExpr
fun_apps <- SyntaxExpr GhcTc -> [CoreExpr] -> DsM CoreExpr
dsSyntaxExpr SyntaxExpr GhcTc
mb_fun
[CoreExpr
core_cond, CoreExpr
core_left, CoreExpr
core_right]
; [Id] -> Id -> CoreExpr -> DsM CoreExpr
matchEnvStack [Id]
env_ids Id
stack_id CoreExpr
fun_apps }
(CoreExpr, DIdSet) -> DsM (CoreExpr, DIdSet)
forall (m :: * -> *) a. Monad m => a -> m a
return (DsCmdEnv
-> Mult -> Mult -> Mult -> CoreExpr -> CoreExpr -> CoreExpr
do_premap DsCmdEnv
ids Mult
in_ty Mult
sum_ty Mult
res_ty
CoreExpr
core_if
(DsCmdEnv
-> Mult -> Mult -> Mult -> CoreExpr -> CoreExpr -> CoreExpr
do_choice DsCmdEnv
ids Mult
then_ty Mult
else_ty Mult
res_ty CoreExpr
core_then CoreExpr
core_else),
DIdSet
fvs_cond DIdSet -> DIdSet -> DIdSet
`unionDVarSet` DIdSet
fvs_then DIdSet -> DIdSet -> DIdSet
`unionDVarSet` DIdSet
fvs_else)
dsCmd DsCmdEnv
ids VarSet
local_vars Mult
stack_ty Mult
res_ty (HsCmdCase XCmdCase GhcTc
_ LHsExpr GhcTc
exp MatchGroup GhcTc (LHsCmd GhcTc)
match) [Id]
env_ids = do
Id
stack_id <- Mult -> Mult -> DsM Id
newSysLocalDs Mult
Many Mult
stack_ty
(MatchGroup GhcTc (GenLocated SrcSpanAnnA (HsExpr GhcTc))
match', CoreExpr
core_choices)
<- DsCmdEnv
-> VarSet
-> Id
-> Mult
-> Mult
-> MatchGroup GhcTc (LHsCmd GhcTc)
-> DsM (MatchGroup GhcTc (LHsExpr GhcTc), CoreExpr)
dsCases DsCmdEnv
ids VarSet
local_vars Id
stack_id Mult
stack_ty Mult
res_ty MatchGroup GhcTc (LHsCmd GhcTc)
match
let MG{ mg_ext :: forall p body. MatchGroup p body -> XMG p body
mg_ext = MatchGroupTc _ sum_ty } = MatchGroup GhcTc (GenLocated SrcSpanAnnA (HsExpr GhcTc))
match'
in_ty :: Mult
in_ty = [Id] -> Mult -> Mult
envStackType [Id]
env_ids Mult
stack_ty
CoreExpr
core_body <- HsExpr GhcTc -> DsM CoreExpr
dsExpr (XCase GhcTc
-> LHsExpr GhcTc
-> MatchGroup GhcTc (LHsExpr GhcTc)
-> HsExpr GhcTc
forall p.
XCase p -> LHsExpr p -> MatchGroup p (LHsExpr p) -> HsExpr p
HsCase NoExtField
XCase GhcTc
noExtField LHsExpr GhcTc
exp MatchGroup GhcTc (LHsExpr GhcTc)
MatchGroup GhcTc (GenLocated SrcSpanAnnA (HsExpr GhcTc))
match')
CoreExpr
core_matches <- [Id] -> Id -> CoreExpr -> DsM CoreExpr
matchEnvStack [Id]
env_ids Id
stack_id CoreExpr
core_body
(CoreExpr, DIdSet) -> DsM (CoreExpr, DIdSet)
forall (m :: * -> *) a. Monad m => a -> m a
return (DsCmdEnv
-> Mult -> Mult -> Mult -> CoreExpr -> CoreExpr -> CoreExpr
do_premap DsCmdEnv
ids Mult
in_ty Mult
sum_ty Mult
res_ty CoreExpr
core_matches CoreExpr
core_choices,
CoreExpr -> DIdSet
exprFreeIdsDSet CoreExpr
core_body DIdSet -> VarSet -> DIdSet
forall a. UniqDSet a -> UniqSet a -> UniqDSet a
`uniqDSetIntersectUniqSet` VarSet
local_vars)
dsCmd DsCmdEnv
ids VarSet
local_vars Mult
stack_ty Mult
res_ty
(HsCmdLamCase XCmdLamCase GhcTc
_ LamCaseVariant
lc_variant match :: MatchGroup GhcTc (LHsCmd GhcTc)
match@MG { mg_ext :: forall p body. MatchGroup p body -> XMG p body
mg_ext = MatchGroupTc {mg_arg_tys = arg_tys} } )
[Id]
env_ids = do
[Id]
arg_ids <- [Scaled Mult] -> DsM [Id]
newSysLocalsDs [Scaled Mult]
arg_tys
let match_ctxt :: HsArrowMatchContext
match_ctxt = LamCaseVariant -> HsArrowMatchContext
ArrowLamCaseAlt LamCaseVariant
lc_variant
pat_vars :: VarSet
pat_vars = [Id] -> VarSet
mkVarSet [Id]
arg_ids
local_vars' :: VarSet
local_vars' = VarSet
pat_vars VarSet -> VarSet -> VarSet
`unionVarSet` VarSet
local_vars
([Mult]
pat_tys, Mult
stack_ty') = Arity -> Mult -> ([Mult], Mult)
splitTypeAt ([Scaled Mult] -> Arity
forall (t :: * -> *) a. Foldable t => t a -> Arity
length [Scaled Mult]
arg_tys) Mult
stack_ty
(CoreExpr
core_body, DIdSet
free_vars, [Id]
env_ids') <- ([Id] -> DsM (CoreExpr, DIdSet)) -> DsM (CoreExpr, DIdSet, [Id])
trimInput \[Id]
env_ids -> do
Id
stack_id <- Mult -> Mult -> DsM Id
newSysLocalDs Mult
Many Mult
stack_ty'
(MatchGroup GhcTc (GenLocated SrcSpanAnnA (HsExpr GhcTc))
match', CoreExpr
core_choices)
<- DsCmdEnv
-> VarSet
-> Id
-> Mult
-> Mult
-> MatchGroup GhcTc (LHsCmd GhcTc)
-> DsM (MatchGroup GhcTc (LHsExpr GhcTc), CoreExpr)
dsCases DsCmdEnv
ids VarSet
local_vars' Id
stack_id Mult
stack_ty' Mult
res_ty MatchGroup GhcTc (LHsCmd GhcTc)
match
let MG{ mg_ext :: forall p body. MatchGroup p body -> XMG p body
mg_ext = MatchGroupTc _ sum_ty } = MatchGroup GhcTc (GenLocated SrcSpanAnnA (HsExpr GhcTc))
match'
in_ty :: Mult
in_ty = [Id] -> Mult -> Mult
envStackType [Id]
env_ids Mult
stack_ty'
discrims :: [GenLocated SrcSpanAnnA (HsExpr GhcTc)]
discrims = (Id -> GenLocated SrcSpanAnnA (HsExpr GhcTc))
-> [Id] -> [GenLocated SrcSpanAnnA (HsExpr GhcTc)]
forall a b. (a -> b) -> [a] -> [b]
map Id -> GenLocated SrcSpanAnnA (HsExpr GhcTc)
forall (p :: Pass) a.
IsSrcSpanAnn p a =>
IdP (GhcPass p) -> LHsExpr (GhcPass p)
nlHsVar [Id]
arg_ids
([Id]
discrim_vars, CoreExpr
matching_code)
<- HsMatchContext GhcRn
-> Maybe [LHsExpr GhcTc]
-> MatchGroup GhcTc (LHsExpr GhcTc)
-> DsM ([Id], CoreExpr)
matchWrapper (HsArrowMatchContext -> HsMatchContext GhcRn
forall p. HsArrowMatchContext -> HsMatchContext p
ArrowMatchCtxt HsArrowMatchContext
match_ctxt) ([GenLocated SrcSpanAnnA (HsExpr GhcTc)]
-> Maybe [GenLocated SrcSpanAnnA (HsExpr GhcTc)]
forall a. a -> Maybe a
Just [GenLocated SrcSpanAnnA (HsExpr GhcTc)]
discrims) MatchGroup GhcTc (LHsExpr GhcTc)
MatchGroup GhcTc (GenLocated SrcSpanAnnA (HsExpr GhcTc))
match'
CoreExpr
core_body <- ([CoreExpr] -> CoreExpr -> CoreExpr)
-> CoreExpr -> [CoreExpr] -> CoreExpr
forall a b c. (a -> b -> c) -> b -> a -> c
flip ([Id] -> [CoreExpr] -> CoreExpr -> CoreExpr
bind_vars [Id]
discrim_vars) CoreExpr
matching_code ([CoreExpr] -> CoreExpr)
-> IOEnv (Env DsGblEnv DsLclEnv) [CoreExpr] -> DsM CoreExpr
forall (f :: * -> *) a b. Functor f => (a -> b) -> f a -> f b
<$>
(GenLocated SrcSpanAnnA (HsExpr GhcTc) -> DsM CoreExpr)
-> [GenLocated SrcSpanAnnA (HsExpr GhcTc)]
-> IOEnv (Env DsGblEnv DsLclEnv) [CoreExpr]
forall (t :: * -> *) (f :: * -> *) a b.
(Traversable t, Applicative f) =>
(a -> f b) -> t a -> f (t b)
traverse LHsExpr GhcTc -> DsM CoreExpr
GenLocated SrcSpanAnnA (HsExpr GhcTc) -> DsM CoreExpr
dsLExpr [GenLocated SrcSpanAnnA (HsExpr GhcTc)]
discrims
CoreExpr
core_matches <- [Id] -> Id -> CoreExpr -> DsM CoreExpr
matchEnvStack [Id]
env_ids Id
stack_id CoreExpr
core_body
(CoreExpr, DIdSet) -> DsM (CoreExpr, DIdSet)
forall (m :: * -> *) a. Monad m => a -> m a
return (DsCmdEnv
-> Mult -> Mult -> Mult -> CoreExpr -> CoreExpr -> CoreExpr
do_premap DsCmdEnv
ids Mult
in_ty Mult
sum_ty Mult
res_ty CoreExpr
core_matches CoreExpr
core_choices,
CoreExpr -> DIdSet
exprFreeIdsDSet CoreExpr
core_body DIdSet -> VarSet -> DIdSet
forall a. UniqDSet a -> UniqSet a -> UniqDSet a
`uniqDSetIntersectUniqSet` VarSet
local_vars')
[Id]
param_ids <- (Mult -> DsM Id) -> [Mult] -> DsM [Id]
forall (t :: * -> *) (m :: * -> *) a b.
(Traversable t, Monad m) =>
(a -> m b) -> t a -> m (t b)
mapM (Mult -> Mult -> DsM Id
newSysLocalDs Mult
Many) [Mult]
pat_tys
Id
stack_id' <- Mult -> Mult -> DsM Id
newSysLocalDs Mult
Many Mult
stack_ty'
let
core_expr :: CoreExpr
core_expr = [Id] -> Id -> CoreExpr
buildEnvStack [Id]
env_ids' Id
stack_id'
in_ty :: Mult
in_ty = [Id] -> Mult -> Mult
envStackType [Id]
env_ids Mult
stack_ty
in_ty' :: Mult
in_ty' = [Id] -> Mult -> Mult
envStackType [Id]
env_ids' Mult
stack_ty'
let match_code :: CoreExpr
match_code = [Id] -> [CoreExpr] -> CoreExpr -> CoreExpr
bind_vars [Id]
arg_ids ((Id -> CoreExpr) -> [Id] -> [CoreExpr]
forall a b. (a -> b) -> [a] -> [b]
map Id -> CoreExpr
forall b. Id -> Expr b
Var [Id]
param_ids) CoreExpr
core_expr
(Id
stack_id, CoreExpr
param_code) <- [Id] -> Id -> CoreExpr -> DsM (Id, CoreExpr)
matchVarStack [Id]
param_ids Id
stack_id' CoreExpr
match_code
CoreExpr
select_code <- [Id] -> Id -> CoreExpr -> DsM CoreExpr
matchEnvStack [Id]
env_ids Id
stack_id CoreExpr
param_code
(CoreExpr, DIdSet) -> DsM (CoreExpr, DIdSet)
forall (m :: * -> *) a. Monad m => a -> m a
return (DsCmdEnv
-> Mult -> Mult -> Mult -> CoreExpr -> CoreExpr -> CoreExpr
do_premap DsCmdEnv
ids Mult
in_ty Mult
in_ty' Mult
res_ty CoreExpr
select_code CoreExpr
core_body,
DIdSet
free_vars DIdSet -> VarSet -> DIdSet
forall a. UniqDSet a -> UniqSet a -> UniqDSet a
`uniqDSetMinusUniqSet` VarSet
pat_vars)
where
bind_vars :: [Id] -> [CoreExpr] -> CoreExpr -> CoreExpr
bind_vars [Id]
vars [CoreExpr]
exprs CoreExpr
expr = ((Id, CoreExpr) -> CoreExpr -> CoreExpr)
-> CoreExpr -> [(Id, CoreExpr)] -> CoreExpr
forall (t :: * -> *) a b.
Foldable t =>
(a -> b -> b) -> b -> t a -> b
foldr ((Id -> CoreExpr -> CoreExpr -> CoreExpr)
-> (Id, CoreExpr) -> CoreExpr -> CoreExpr
forall a b c. (a -> b -> c) -> (a, b) -> c
uncurry HasDebugCallStack => Id -> CoreExpr -> CoreExpr -> CoreExpr
Id -> CoreExpr -> CoreExpr -> CoreExpr
bindNonRec) CoreExpr
expr ([(Id, CoreExpr)] -> CoreExpr) -> [(Id, CoreExpr)] -> CoreExpr
forall a b. (a -> b) -> a -> b
$ [Id] -> [CoreExpr] -> [(Id, CoreExpr)]
forall a b. [a] -> [b] -> [(a, b)]
zip [Id]
vars [CoreExpr]
exprs
dsCmd DsCmdEnv
ids VarSet
local_vars Mult
stack_ty Mult
res_ty (HsCmdLet XCmdLet GhcTc
_ LHsToken "let" GhcTc
_ lbinds :: HsLocalBinds GhcTc
lbinds@HsLocalBinds GhcTc
binds LHsToken "in" GhcTc
_ LHsCmd GhcTc
body) [Id]
env_ids = do
let
defined_vars :: VarSet
defined_vars = [Id] -> VarSet
mkVarSet (CollectFlag GhcTc -> HsLocalBinds GhcTc -> [IdP GhcTc]
forall (idL :: Pass) (idR :: Pass).
CollectPass (GhcPass idL) =>
CollectFlag (GhcPass idL)
-> HsLocalBindsLR (GhcPass idL) (GhcPass idR)
-> [IdP (GhcPass idL)]
collectLocalBinders CollectFlag GhcTc
CollWithDictBinders HsLocalBinds GhcTc
binds)
local_vars' :: VarSet
local_vars' = VarSet
defined_vars VarSet -> VarSet -> VarSet
`unionVarSet` VarSet
local_vars
(CoreExpr
core_body, DIdSet
_free_vars, [Id]
env_ids')
<- DsCmdEnv
-> VarSet
-> Mult
-> Mult
-> LHsCmd GhcTc
-> DsM (CoreExpr, DIdSet, [Id])
dsfixCmd DsCmdEnv
ids VarSet
local_vars' Mult
stack_ty Mult
res_ty LHsCmd GhcTc
body
Id
stack_id <- Mult -> Mult -> DsM Id
newSysLocalDs Mult
Many Mult
stack_ty
CoreExpr
core_binds <- HsLocalBinds GhcTc -> CoreExpr -> DsM CoreExpr
dsLocalBinds HsLocalBinds GhcTc
lbinds ([Id] -> Id -> CoreExpr
buildEnvStack [Id]
env_ids' Id
stack_id)
CoreExpr
core_map <- [Id] -> Id -> CoreExpr -> DsM CoreExpr
matchEnvStack [Id]
env_ids Id
stack_id CoreExpr
core_binds
(CoreExpr, DIdSet) -> DsM (CoreExpr, DIdSet)
forall (m :: * -> *) a. Monad m => a -> m a
return (DsCmdEnv
-> Mult -> Mult -> Mult -> CoreExpr -> CoreExpr -> CoreExpr
do_premap DsCmdEnv
ids
([Id] -> Mult -> Mult
envStackType [Id]
env_ids Mult
stack_ty)
([Id] -> Mult -> Mult
envStackType [Id]
env_ids' Mult
stack_ty)
Mult
res_ty
CoreExpr
core_map
CoreExpr
core_body,
CoreExpr -> DIdSet
exprFreeIdsDSet CoreExpr
core_binds DIdSet -> VarSet -> DIdSet
forall a. UniqDSet a -> UniqSet a -> UniqDSet a
`uniqDSetIntersectUniqSet` VarSet
local_vars)
dsCmd DsCmdEnv
ids VarSet
local_vars Mult
stack_ty Mult
res_ty (HsCmdDo XCmdDo GhcTc
_ (L _ stmts)) [Id]
env_ids = do
(CoreExpr
core_stmts, DIdSet
env_ids') <- DsCmdEnv
-> VarSet
-> Mult
-> [CmdLStmt GhcTc]
-> [Id]
-> DsM (CoreExpr, DIdSet)
dsCmdDo DsCmdEnv
ids VarSet
local_vars Mult
res_ty [CmdLStmt GhcTc]
[GenLocated
SrcSpanAnnA
(StmtLR GhcTc GhcTc (GenLocated SrcSpanAnnA (HsCmd GhcTc)))]
stmts [Id]
env_ids
let env_ty :: Mult
env_ty = [Id] -> Mult
mkBigCoreVarTupTy [Id]
env_ids
CoreExpr
core_fst <- Mult -> Mult -> DsM CoreExpr
mkFstExpr Mult
env_ty Mult
stack_ty
(CoreExpr, DIdSet) -> DsM (CoreExpr, DIdSet)
forall (m :: * -> *) a. Monad m => a -> m a
return (DsCmdEnv
-> Mult -> Mult -> Mult -> CoreExpr -> CoreExpr -> CoreExpr
do_premap DsCmdEnv
ids
(Mult -> Mult -> Mult
mkCorePairTy Mult
env_ty Mult
stack_ty)
Mult
env_ty
Mult
res_ty
CoreExpr
core_fst
CoreExpr
core_stmts,
DIdSet
env_ids')
dsCmd DsCmdEnv
_ VarSet
local_vars Mult
_stack_ty Mult
_res_ty (HsCmdArrForm XCmdArrForm GhcTc
_ LHsExpr GhcTc
op LexicalFixity
_ Maybe Fixity
_ [LHsCmdTop GhcTc]
args) [Id]
env_ids = do
let env_ty :: Mult
env_ty = [Id] -> Mult
mkBigCoreVarTupTy [Id]
env_ids
CoreExpr
core_op <- LHsExpr GhcTc -> DsM CoreExpr
dsLExpr LHsExpr GhcTc
op
([CoreExpr]
core_args, [DIdSet]
fv_sets) <- (GenLocated (SrcAnn NoEpAnns) (HsCmdTop GhcTc)
-> DsM (CoreExpr, DIdSet))
-> [GenLocated (SrcAnn NoEpAnns) (HsCmdTop GhcTc)]
-> IOEnv (Env DsGblEnv DsLclEnv) ([CoreExpr], [DIdSet])
forall (m :: * -> *) a b c.
Applicative m =>
(a -> m (b, c)) -> [a] -> m ([b], [c])
mapAndUnzipM (VarSet -> [Id] -> LHsCmdTop GhcTc -> DsM (CoreExpr, DIdSet)
dsTrimCmdArg VarSet
local_vars [Id]
env_ids) [LHsCmdTop GhcTc]
[GenLocated (SrcAnn NoEpAnns) (HsCmdTop GhcTc)]
args
(CoreExpr, DIdSet) -> DsM (CoreExpr, DIdSet)
forall (m :: * -> *) a. Monad m => a -> m a
return (CoreExpr -> [CoreExpr] -> CoreExpr
forall b. Expr b -> [Expr b] -> Expr b
mkApps (CoreExpr -> CoreExpr -> CoreExpr
forall b. Expr b -> Expr b -> Expr b
App CoreExpr
core_op (Mult -> CoreExpr
forall b. Mult -> Expr b
Type Mult
env_ty)) [CoreExpr]
core_args,
[DIdSet] -> DIdSet
unionDVarSets [DIdSet]
fv_sets)
dsCmd DsCmdEnv
ids VarSet
local_vars Mult
stack_ty Mult
res_ty (XCmd (HsWrap wrap cmd)) [Id]
env_ids = do
(CoreExpr
core_cmd, DIdSet
env_ids') <- DsCmdEnv
-> VarSet
-> Mult
-> Mult
-> HsCmd GhcTc
-> [Id]
-> DsM (CoreExpr, DIdSet)
dsCmd DsCmdEnv
ids VarSet
local_vars Mult
stack_ty Mult
res_ty HsCmd GhcTc
cmd [Id]
env_ids
CoreExpr -> CoreExpr
core_wrap <- HsWrapper -> DsM (CoreExpr -> CoreExpr)
dsHsWrapper HsWrapper
wrap
(CoreExpr, DIdSet) -> DsM (CoreExpr, DIdSet)
forall (m :: * -> *) a. Monad m => a -> m a
return (CoreExpr -> CoreExpr
core_wrap CoreExpr
core_cmd, DIdSet
env_ids')
dsCmd DsCmdEnv
_ VarSet
_ Mult
_ Mult
_ HsCmd GhcTc
c [Id]
_ = String -> SDoc -> DsM (CoreExpr, DIdSet)
forall a. HasCallStack => String -> SDoc -> a
pprPanic String
"dsCmd" (HsCmd GhcTc -> SDoc
forall a. Outputable a => a -> SDoc
ppr HsCmd GhcTc
c)
dsTrimCmdArg
:: IdSet
-> [Id]
-> LHsCmdTop GhcTc
-> DsM (CoreExpr,
DIdSet)
dsTrimCmdArg :: VarSet -> [Id] -> LHsCmdTop GhcTc -> DsM (CoreExpr, DIdSet)
dsTrimCmdArg VarSet
local_vars [Id]
env_ids
(L _ (HsCmdTop
(CmdTopTc stack_ty cmd_ty ids) cmd )) = do
([CoreBind]
meth_binds, DsCmdEnv
meth_ids) <- CmdSyntaxTable GhcTc -> DsM ([CoreBind], DsCmdEnv)
mkCmdEnv CmdSyntaxTable GhcTc
ids
(CoreExpr
core_cmd, DIdSet
free_vars, [Id]
env_ids')
<- DsCmdEnv
-> VarSet
-> Mult
-> Mult
-> LHsCmd GhcTc
-> DsM (CoreExpr, DIdSet, [Id])
dsfixCmd DsCmdEnv
meth_ids VarSet
local_vars Mult
stack_ty Mult
cmd_ty LHsCmd GhcTc
cmd
Id
stack_id <- Mult -> Mult -> DsM Id
newSysLocalDs Mult
Many Mult
stack_ty
CoreExpr
trim_code
<- [Id] -> Id -> CoreExpr -> DsM CoreExpr
matchEnvStack [Id]
env_ids Id
stack_id ([Id] -> Id -> CoreExpr
buildEnvStack [Id]
env_ids' Id
stack_id)
let
in_ty :: Mult
in_ty = [Id] -> Mult -> Mult
envStackType [Id]
env_ids Mult
stack_ty
in_ty' :: Mult
in_ty' = [Id] -> Mult -> Mult
envStackType [Id]
env_ids' Mult
stack_ty
arg_code :: CoreExpr
arg_code = if [Id]
env_ids' [Id] -> [Id] -> Bool
forall a. Eq a => a -> a -> Bool
== [Id]
env_ids then CoreExpr
core_cmd else
DsCmdEnv
-> Mult -> Mult -> Mult -> CoreExpr -> CoreExpr -> CoreExpr
do_premap DsCmdEnv
meth_ids Mult
in_ty Mult
in_ty' Mult
cmd_ty CoreExpr
trim_code CoreExpr
core_cmd
(CoreExpr, DIdSet) -> DsM (CoreExpr, DIdSet)
forall (m :: * -> *) a. Monad m => a -> m a
return ([CoreBind] -> CoreExpr -> CoreExpr
forall b. [Bind b] -> Expr b -> Expr b
mkLets [CoreBind]
meth_binds CoreExpr
arg_code, DIdSet
free_vars)
dsfixCmd
:: DsCmdEnv
-> IdSet
-> Type
-> Type
-> LHsCmd GhcTc
-> DsM (CoreExpr,
DIdSet,
[Id])
dsfixCmd :: DsCmdEnv
-> VarSet
-> Mult
-> Mult
-> LHsCmd GhcTc
-> DsM (CoreExpr, DIdSet, [Id])
dsfixCmd DsCmdEnv
ids VarSet
local_vars Mult
stk_ty Mult
cmd_ty LHsCmd GhcTc
cmd
= ([Id] -> DsM (CoreExpr, DIdSet)) -> DsM (CoreExpr, DIdSet, [Id])
trimInput (DsCmdEnv
-> VarSet
-> Mult
-> Mult
-> LHsCmd GhcTc
-> [Id]
-> DsM (CoreExpr, DIdSet)
dsLCmd DsCmdEnv
ids VarSet
local_vars Mult
stk_ty Mult
cmd_ty LHsCmd GhcTc
cmd)
trimInput
:: ([Id] -> DsM (CoreExpr, DIdSet))
-> DsM (CoreExpr,
DIdSet,
[Id])
trimInput :: ([Id] -> DsM (CoreExpr, DIdSet)) -> DsM (CoreExpr, DIdSet, [Id])
trimInput [Id] -> DsM (CoreExpr, DIdSet)
build_arrow
= ((CoreExpr, DIdSet, [Id]) -> DsM (CoreExpr, DIdSet, [Id]))
-> DsM (CoreExpr, DIdSet, [Id])
forall a. (a -> DsM a) -> DsM a
fixDs (\ ~(CoreExpr
_,DIdSet
_,[Id]
env_ids) -> do
(CoreExpr
core_cmd, DIdSet
free_vars) <- [Id] -> DsM (CoreExpr, DIdSet)
build_arrow [Id]
env_ids
(CoreExpr, DIdSet, [Id]) -> DsM (CoreExpr, DIdSet, [Id])
forall (m :: * -> *) a. Monad m => a -> m a
return (CoreExpr
core_cmd, DIdSet
free_vars, DIdSet -> [Id]
dVarSetElems DIdSet
free_vars))
dsCmdLam :: DsCmdEnv
-> IdSet
-> Type
-> Type
-> [LPat GhcTc]
-> LHsCmd GhcTc
-> [Id]
-> DsM (CoreExpr,
DIdSet)
dsCmdLam :: DsCmdEnv
-> VarSet
-> Mult
-> Mult
-> [LPat GhcTc]
-> LHsCmd GhcTc
-> [Id]
-> DsM (CoreExpr, DIdSet)
dsCmdLam DsCmdEnv
ids VarSet
local_vars Mult
stack_ty Mult
res_ty [LPat GhcTc]
pats LHsCmd GhcTc
body [Id]
env_ids = do
let pat_vars :: VarSet
pat_vars = [Id] -> VarSet
mkVarSet (CollectFlag GhcTc -> [LPat GhcTc] -> [IdP GhcTc]
forall p. CollectPass p => CollectFlag p -> [LPat p] -> [IdP p]
collectPatsBinders CollectFlag GhcTc
CollWithDictBinders [LPat GhcTc]
pats)
let local_vars' :: VarSet
local_vars' = VarSet
pat_vars VarSet -> VarSet -> VarSet
`unionVarSet` VarSet
local_vars
([Mult]
pat_tys, Mult
stack_ty') = Arity -> Mult -> ([Mult], Mult)
splitTypeAt ([GenLocated SrcSpanAnnA (Pat GhcTc)] -> Arity
forall (t :: * -> *) a. Foldable t => t a -> Arity
length [LPat GhcTc]
[GenLocated SrcSpanAnnA (Pat GhcTc)]
pats) Mult
stack_ty
(CoreExpr
core_body, DIdSet
free_vars, [Id]
env_ids')
<- DsCmdEnv
-> VarSet
-> Mult
-> Mult
-> LHsCmd GhcTc
-> DsM (CoreExpr, DIdSet, [Id])
dsfixCmd DsCmdEnv
ids VarSet
local_vars' Mult
stack_ty' Mult
res_ty LHsCmd GhcTc
body
[Id]
param_ids <- (Mult -> DsM Id) -> [Mult] -> DsM [Id]
forall (t :: * -> *) (m :: * -> *) a b.
(Traversable t, Monad m) =>
(a -> m b) -> t a -> m (t b)
mapM (Mult -> Mult -> DsM Id
newSysLocalDs Mult
Many) [Mult]
pat_tys
Id
stack_id' <- Mult -> Mult -> DsM Id
newSysLocalDs Mult
Many Mult
stack_ty'
let
core_expr :: CoreExpr
core_expr = [Id] -> Id -> CoreExpr
buildEnvStack [Id]
env_ids' Id
stack_id'
in_ty :: Mult
in_ty = [Id] -> Mult -> Mult
envStackType [Id]
env_ids Mult
stack_ty
in_ty' :: Mult
in_ty' = [Id] -> Mult -> Mult
envStackType [Id]
env_ids' Mult
stack_ty'
CoreExpr
fail_expr <- HsMatchContext GhcRn -> Mult -> DsM CoreExpr
mkFailExpr (HsArrowMatchContext -> HsMatchContext GhcRn
forall p. HsArrowMatchContext -> HsMatchContext p
ArrowMatchCtxt HsArrowMatchContext
KappaExpr) Mult
in_ty'
CoreExpr
match_code <- [CoreExpr]
-> HsMatchContext GhcRn
-> [LPat GhcTc]
-> CoreExpr
-> CoreExpr
-> DsM CoreExpr
matchSimplys ((Id -> CoreExpr) -> [Id] -> [CoreExpr]
forall a b. (a -> b) -> [a] -> [b]
map Id -> CoreExpr
forall b. Id -> Expr b
Var [Id]
param_ids) (HsArrowMatchContext -> HsMatchContext GhcRn
forall p. HsArrowMatchContext -> HsMatchContext p
ArrowMatchCtxt HsArrowMatchContext
KappaExpr) [LPat GhcTc]
pats CoreExpr
core_expr
CoreExpr
fail_expr
(Id
stack_id, CoreExpr
param_code) <- [Id] -> Id -> CoreExpr -> DsM (Id, CoreExpr)
matchVarStack [Id]
param_ids Id
stack_id' CoreExpr
match_code
CoreExpr
select_code <- [Id] -> Id -> CoreExpr -> DsM CoreExpr
matchEnvStack [Id]
env_ids Id
stack_id CoreExpr
param_code
(CoreExpr, DIdSet) -> DsM (CoreExpr, DIdSet)
forall (m :: * -> *) a. Monad m => a -> m a
return (DsCmdEnv
-> Mult -> Mult -> Mult -> CoreExpr -> CoreExpr -> CoreExpr
do_premap DsCmdEnv
ids Mult
in_ty Mult
in_ty' Mult
res_ty CoreExpr
select_code CoreExpr
core_body,
DIdSet
free_vars DIdSet -> VarSet -> DIdSet
forall a. UniqDSet a -> UniqSet a -> UniqDSet a
`uniqDSetMinusUniqSet` VarSet
pat_vars)
dsCases :: DsCmdEnv
-> IdSet
-> Id
-> Type
-> Type
-> MatchGroup GhcTc (LHsCmd GhcTc)
-> DsM (MatchGroup GhcTc (LHsExpr GhcTc),
CoreExpr)
dsCases :: DsCmdEnv
-> VarSet
-> Id
-> Mult
-> Mult
-> MatchGroup GhcTc (LHsCmd GhcTc)
-> DsM (MatchGroup GhcTc (LHsExpr GhcTc), CoreExpr)
dsCases DsCmdEnv
ids VarSet
local_vars Id
stack_id Mult
stack_ty Mult
res_ty
(MG { mg_alts :: forall p body. MatchGroup p body -> XRec p [LMatch p body]
mg_alts = L l matches
, mg_ext :: forall p body. MatchGroup p body -> XMG p body
mg_ext = MatchGroupTc arg_tys _
, mg_origin :: forall p body. MatchGroup p body -> Origin
mg_origin = Origin
origin }) = do
let leaves :: [(GenLocated SrcSpanAnnA (HsCmd GhcTc), VarSet)]
leaves = (GenLocated
SrcSpanAnnA (Match GhcTc (GenLocated SrcSpanAnnA (HsCmd GhcTc)))
-> [(GenLocated SrcSpanAnnA (HsCmd GhcTc), VarSet)])
-> [GenLocated
SrcSpanAnnA (Match GhcTc (GenLocated SrcSpanAnnA (HsCmd GhcTc)))]
-> [(GenLocated SrcSpanAnnA (HsCmd GhcTc), VarSet)]
forall (t :: * -> *) a b. Foldable t => (a -> [b]) -> t a -> [b]
concatMap GenLocated
SrcSpanAnnA (Match GhcTc (GenLocated SrcSpanAnnA (HsCmd GhcTc)))
-> [(GenLocated SrcSpanAnnA (HsCmd GhcTc), VarSet)]
forall (body :: * -> *).
LMatch GhcTc (LocatedA (body GhcTc))
-> [(LocatedA (body GhcTc), VarSet)]
leavesMatch [GenLocated
SrcSpanAnnA (Match GhcTc (GenLocated SrcSpanAnnA (HsCmd GhcTc)))]
matches
make_branch :: (GenLocated SrcSpanAnnA (HsCmd GhcTc), VarSet)
-> IOEnv
(Env DsGblEnv DsLclEnv)
([GenLocated SrcSpanAnnA (HsExpr GhcTc)], Mult, CoreExpr)
make_branch (GenLocated SrcSpanAnnA (HsCmd GhcTc)
leaf, VarSet
bound_vars) = do
(CoreExpr
core_leaf, DIdSet
_fvs, [Id]
leaf_ids)
<- DsCmdEnv
-> VarSet
-> Mult
-> Mult
-> LHsCmd GhcTc
-> DsM (CoreExpr, DIdSet, [Id])
dsfixCmd DsCmdEnv
ids (VarSet
bound_vars VarSet -> VarSet -> VarSet
`unionVarSet` VarSet
local_vars) Mult
stack_ty
Mult
res_ty LHsCmd GhcTc
GenLocated SrcSpanAnnA (HsCmd GhcTc)
leaf
([GenLocated SrcSpanAnnA (HsExpr GhcTc)], Mult, CoreExpr)
-> IOEnv
(Env DsGblEnv DsLclEnv)
([GenLocated SrcSpanAnnA (HsExpr GhcTc)], Mult, CoreExpr)
forall (m :: * -> *) a. Monad m => a -> m a
return ([[Id] -> Id -> LHsExpr GhcTc
mkHsEnvStackExpr [Id]
leaf_ids Id
stack_id],
[Id] -> Mult -> Mult
envStackType [Id]
leaf_ids Mult
stack_ty,
CoreExpr
core_leaf)
[([GenLocated SrcSpanAnnA (HsExpr GhcTc)], Mult, CoreExpr)]
branches <- ((GenLocated SrcSpanAnnA (HsCmd GhcTc), VarSet)
-> IOEnv
(Env DsGblEnv DsLclEnv)
([GenLocated SrcSpanAnnA (HsExpr GhcTc)], Mult, CoreExpr))
-> [(GenLocated SrcSpanAnnA (HsCmd GhcTc), VarSet)]
-> IOEnv
(Env DsGblEnv DsLclEnv)
[([GenLocated SrcSpanAnnA (HsExpr GhcTc)], Mult, CoreExpr)]
forall (t :: * -> *) (m :: * -> *) a b.
(Traversable t, Monad m) =>
(a -> m b) -> t a -> m (t b)
mapM (GenLocated SrcSpanAnnA (HsCmd GhcTc), VarSet)
-> IOEnv
(Env DsGblEnv DsLclEnv)
([GenLocated SrcSpanAnnA (HsExpr GhcTc)], Mult, CoreExpr)
make_branch [(GenLocated SrcSpanAnnA (HsCmd GhcTc), VarSet)]
leaves
TyCon
either_con <- Name -> DsM TyCon
dsLookupTyCon Name
eitherTyConName
DataCon
left_con <- Name -> DsM DataCon
dsLookupDataCon Name
leftDataConName
DataCon
right_con <- Name -> DsM DataCon
dsLookupDataCon Name
rightDataConName
Mult
void_ty <- TyCon -> Mult
mkTyConTy (TyCon -> Mult) -> DsM TyCon -> IOEnv (Env DsGblEnv DsLclEnv) Mult
forall (f :: * -> *) a b. Functor f => (a -> b) -> f a -> f b
<$> Name -> DsM TyCon
dsLookupTyCon Name
voidTyConName
let
left_id :: HsExpr GhcTc
left_id = ConLike -> HsExpr GhcTc
mkConLikeTc (DataCon -> ConLike
RealDataCon DataCon
left_con)
right_id :: HsExpr GhcTc
right_id = ConLike -> HsExpr GhcTc
mkConLikeTc (DataCon -> ConLike
RealDataCon DataCon
right_con)
left_expr :: Mult
-> Mult
-> GenLocated SrcSpanAnnA (HsExpr GhcTc)
-> GenLocated SrcSpanAnnA (HsExpr GhcTc)
left_expr Mult
ty1 Mult
ty2 GenLocated SrcSpanAnnA (HsExpr GhcTc)
e = HsExpr GhcTc -> GenLocated SrcSpanAnnA (HsExpr GhcTc)
forall a an. a -> LocatedAn an a
noLocA (HsExpr GhcTc -> GenLocated SrcSpanAnnA (HsExpr GhcTc))
-> HsExpr GhcTc -> GenLocated SrcSpanAnnA (HsExpr GhcTc)
forall a b. (a -> b) -> a -> b
$ XApp GhcTc -> LHsExpr GhcTc -> LHsExpr GhcTc -> HsExpr GhcTc
forall p. XApp p -> LHsExpr p -> LHsExpr p -> HsExpr p
HsApp XApp GhcTc
EpAnnCO
noComments
(HsExpr GhcTc -> GenLocated SrcSpanAnnA (HsExpr GhcTc)
forall a an. a -> LocatedAn an a
noLocA (HsExpr GhcTc -> GenLocated SrcSpanAnnA (HsExpr GhcTc))
-> HsExpr GhcTc -> GenLocated SrcSpanAnnA (HsExpr GhcTc)
forall a b. (a -> b) -> a -> b
$ HsWrapper -> HsExpr GhcTc -> HsExpr GhcTc
mkHsWrap ([Mult] -> HsWrapper
mkWpTyApps [Mult
ty1, Mult
ty2]) HsExpr GhcTc
left_id ) LHsExpr GhcTc
GenLocated SrcSpanAnnA (HsExpr GhcTc)
e
right_expr :: Mult
-> Mult
-> GenLocated SrcSpanAnnA (HsExpr GhcTc)
-> GenLocated SrcSpanAnnA (HsExpr GhcTc)
right_expr Mult
ty1 Mult
ty2 GenLocated SrcSpanAnnA (HsExpr GhcTc)
e = HsExpr GhcTc -> GenLocated SrcSpanAnnA (HsExpr GhcTc)
forall a an. a -> LocatedAn an a
noLocA (HsExpr GhcTc -> GenLocated SrcSpanAnnA (HsExpr GhcTc))
-> HsExpr GhcTc -> GenLocated SrcSpanAnnA (HsExpr GhcTc)
forall a b. (a -> b) -> a -> b
$ XApp GhcTc -> LHsExpr GhcTc -> LHsExpr GhcTc -> HsExpr GhcTc
forall p. XApp p -> LHsExpr p -> LHsExpr p -> HsExpr p
HsApp XApp GhcTc
EpAnnCO
noComments
(HsExpr GhcTc -> GenLocated SrcSpanAnnA (HsExpr GhcTc)
forall a an. a -> LocatedAn an a
noLocA (HsExpr GhcTc -> GenLocated SrcSpanAnnA (HsExpr GhcTc))
-> HsExpr GhcTc -> GenLocated SrcSpanAnnA (HsExpr GhcTc)
forall a b. (a -> b) -> a -> b
$ HsWrapper -> HsExpr GhcTc -> HsExpr GhcTc
mkHsWrap ([Mult] -> HsWrapper
mkWpTyApps [Mult
ty1, Mult
ty2]) HsExpr GhcTc
right_id) LHsExpr GhcTc
GenLocated SrcSpanAnnA (HsExpr GhcTc)
e
merge_branches :: ([LHsExpr GhcTc], Type, CoreExpr)
-> ([LHsExpr GhcTc], Type, CoreExpr)
-> ([LHsExpr GhcTc], Type, CoreExpr)
merge_branches :: ([LHsExpr GhcTc], Mult, CoreExpr)
-> ([LHsExpr GhcTc], Mult, CoreExpr)
-> ([LHsExpr GhcTc], Mult, CoreExpr)
merge_branches ([LHsExpr GhcTc]
builds1, Mult
in_ty1, CoreExpr
core_exp1)
([LHsExpr GhcTc]
builds2, Mult
in_ty2, CoreExpr
core_exp2)
= ((GenLocated SrcSpanAnnA (HsExpr GhcTc)
-> GenLocated SrcSpanAnnA (HsExpr GhcTc))
-> [GenLocated SrcSpanAnnA (HsExpr GhcTc)]
-> [GenLocated SrcSpanAnnA (HsExpr GhcTc)]
forall a b. (a -> b) -> [a] -> [b]
map (Mult
-> Mult
-> GenLocated SrcSpanAnnA (HsExpr GhcTc)
-> GenLocated SrcSpanAnnA (HsExpr GhcTc)
left_expr Mult
in_ty1 Mult
in_ty2) [LHsExpr GhcTc]
[GenLocated SrcSpanAnnA (HsExpr GhcTc)]
builds1 [GenLocated SrcSpanAnnA (HsExpr GhcTc)]
-> [GenLocated SrcSpanAnnA (HsExpr GhcTc)]
-> [GenLocated SrcSpanAnnA (HsExpr GhcTc)]
forall a. [a] -> [a] -> [a]
++
(GenLocated SrcSpanAnnA (HsExpr GhcTc)
-> GenLocated SrcSpanAnnA (HsExpr GhcTc))
-> [GenLocated SrcSpanAnnA (HsExpr GhcTc)]
-> [GenLocated SrcSpanAnnA (HsExpr GhcTc)]
forall a b. (a -> b) -> [a] -> [b]
map (Mult
-> Mult
-> GenLocated SrcSpanAnnA (HsExpr GhcTc)
-> GenLocated SrcSpanAnnA (HsExpr GhcTc)
right_expr Mult
in_ty1 Mult
in_ty2) [LHsExpr GhcTc]
[GenLocated SrcSpanAnnA (HsExpr GhcTc)]
builds2,
TyCon -> [Mult] -> Mult
mkTyConApp TyCon
either_con [Mult
in_ty1, Mult
in_ty2],
DsCmdEnv
-> Mult -> Mult -> Mult -> CoreExpr -> CoreExpr -> CoreExpr
do_choice DsCmdEnv
ids Mult
in_ty1 Mult
in_ty2 Mult
res_ty CoreExpr
core_exp1 CoreExpr
core_exp2)
([GenLocated SrcSpanAnnA (HsExpr GhcTc)]
leaves', Mult
sum_ty, CoreExpr
core_choices) <- case [([GenLocated SrcSpanAnnA (HsExpr GhcTc)], Mult, CoreExpr)]
-> Maybe
(NonEmpty
([GenLocated SrcSpanAnnA (HsExpr GhcTc)], Mult, CoreExpr))
forall a. [a] -> Maybe (NonEmpty a)
nonEmpty [([GenLocated SrcSpanAnnA (HsExpr GhcTc)], Mult, CoreExpr)]
branches of
Just NonEmpty ([GenLocated SrcSpanAnnA (HsExpr GhcTc)], Mult, CoreExpr)
bs -> ([GenLocated SrcSpanAnnA (HsExpr GhcTc)], Mult, CoreExpr)
-> IOEnv
(Env DsGblEnv DsLclEnv)
([GenLocated SrcSpanAnnA (HsExpr GhcTc)], Mult, CoreExpr)
forall (m :: * -> *) a. Monad m => a -> m a
return (([GenLocated SrcSpanAnnA (HsExpr GhcTc)], Mult, CoreExpr)
-> IOEnv
(Env DsGblEnv DsLclEnv)
([GenLocated SrcSpanAnnA (HsExpr GhcTc)], Mult, CoreExpr))
-> ([GenLocated SrcSpanAnnA (HsExpr GhcTc)], Mult, CoreExpr)
-> IOEnv
(Env DsGblEnv DsLclEnv)
([GenLocated SrcSpanAnnA (HsExpr GhcTc)], Mult, CoreExpr)
forall a b. (a -> b) -> a -> b
$ (([GenLocated SrcSpanAnnA (HsExpr GhcTc)], Mult, CoreExpr)
-> ([GenLocated SrcSpanAnnA (HsExpr GhcTc)], Mult, CoreExpr)
-> ([GenLocated SrcSpanAnnA (HsExpr GhcTc)], Mult, CoreExpr))
-> NonEmpty
([GenLocated SrcSpanAnnA (HsExpr GhcTc)], Mult, CoreExpr)
-> ([GenLocated SrcSpanAnnA (HsExpr GhcTc)], Mult, CoreExpr)
forall a. (a -> a -> a) -> NonEmpty a -> a
foldb ([LHsExpr GhcTc], Mult, CoreExpr)
-> ([LHsExpr GhcTc], Mult, CoreExpr)
-> ([LHsExpr GhcTc], Mult, CoreExpr)
([GenLocated SrcSpanAnnA (HsExpr GhcTc)], Mult, CoreExpr)
-> ([GenLocated SrcSpanAnnA (HsExpr GhcTc)], Mult, CoreExpr)
-> ([GenLocated SrcSpanAnnA (HsExpr GhcTc)], Mult, CoreExpr)
merge_branches NonEmpty ([GenLocated SrcSpanAnnA (HsExpr GhcTc)], Mult, CoreExpr)
bs
Maybe
(NonEmpty
([GenLocated SrcSpanAnnA (HsExpr GhcTc)], Mult, CoreExpr))
Nothing -> ([], Mult
void_ty,) (CoreExpr
-> ([GenLocated SrcSpanAnnA (HsExpr GhcTc)], Mult, CoreExpr))
-> (CoreExpr -> CoreExpr)
-> CoreExpr
-> ([GenLocated SrcSpanAnnA (HsExpr GhcTc)], Mult, CoreExpr)
forall b c a. (b -> c) -> (a -> b) -> a -> c
. DsCmdEnv -> Mult -> Mult -> CoreExpr -> CoreExpr
do_arr DsCmdEnv
ids Mult
void_ty Mult
res_ty (CoreExpr
-> ([GenLocated SrcSpanAnnA (HsExpr GhcTc)], Mult, CoreExpr))
-> DsM CoreExpr
-> IOEnv
(Env DsGblEnv DsLclEnv)
([GenLocated SrcSpanAnnA (HsExpr GhcTc)], Mult, CoreExpr)
forall (f :: * -> *) a b. Functor f => (a -> b) -> f a -> f b
<$>
HsExpr GhcTc -> DsM CoreExpr
dsExpr (XLamCase GhcTc
-> LamCaseVariant
-> MatchGroup GhcTc (LHsExpr GhcTc)
-> HsExpr GhcTc
forall p.
XLamCase p
-> LamCaseVariant -> MatchGroup p (LHsExpr p) -> HsExpr p
HsLamCase XLamCase GhcTc
forall ann. EpAnn ann
EpAnnNotUsed LamCaseVariant
LamCase
(MG :: forall p body.
XMG p body -> XRec p [LMatch p body] -> Origin -> MatchGroup p body
MG { mg_alts :: XRec GhcTc [LMatch GhcTc (GenLocated SrcSpanAnnA (HsExpr GhcTc))]
mg_alts = [GenLocated
SrcSpanAnnA (Match GhcTc (GenLocated SrcSpanAnnA (HsExpr GhcTc)))]
-> LocatedAn
AnnList
[GenLocated
SrcSpanAnnA (Match GhcTc (GenLocated SrcSpanAnnA (HsExpr GhcTc)))]
forall a an. a -> LocatedAn an a
noLocA []
, mg_ext :: XMG GhcTc (GenLocated SrcSpanAnnA (HsExpr GhcTc))
mg_ext = [Scaled Mult] -> Mult -> MatchGroupTc
MatchGroupTc [Mult -> Mult -> Scaled Mult
forall a. Mult -> a -> Scaled a
Scaled Mult
Many Mult
void_ty] Mult
res_ty
, mg_origin :: Origin
mg_origin = Origin
Generated }))
let ([GenLocated SrcSpanAnnA (HsExpr GhcTc)]
_, [GenLocated
SrcSpanAnnA (Match GhcTc (GenLocated SrcSpanAnnA (HsExpr GhcTc)))]
matches') = ([GenLocated SrcSpanAnnA (HsExpr GhcTc)]
-> GenLocated
SrcSpanAnnA (Match GhcTc (GenLocated SrcSpanAnnA (HsCmd GhcTc)))
-> ([GenLocated SrcSpanAnnA (HsExpr GhcTc)],
GenLocated
SrcSpanAnnA (Match GhcTc (GenLocated SrcSpanAnnA (HsExpr GhcTc)))))
-> [GenLocated SrcSpanAnnA (HsExpr GhcTc)]
-> [GenLocated
SrcSpanAnnA (Match GhcTc (GenLocated SrcSpanAnnA (HsCmd GhcTc)))]
-> ([GenLocated SrcSpanAnnA (HsExpr GhcTc)],
[GenLocated
SrcSpanAnnA (Match GhcTc (GenLocated SrcSpanAnnA (HsExpr GhcTc)))])
forall (t :: * -> *) a b c.
Traversable t =>
(a -> b -> (a, c)) -> a -> t b -> (a, t c)
mapAccumL (Mult
-> [GenLocated SrcSpanAnnA (HsExpr GhcTc)]
-> LMatch GhcTc (GenLocated SrcSpanAnnA (HsCmd GhcTc))
-> ([GenLocated SrcSpanAnnA (HsExpr GhcTc)],
LMatch GhcTc (GenLocated SrcSpanAnnA (HsExpr GhcTc)))
forall (body' :: * -> *) (body :: * -> *).
(Anno (Match GhcTc (LocatedA (body' GhcTc)))
~ Anno (Match GhcTc (LocatedA (body GhcTc))),
Anno (GRHS GhcTc (LocatedA (body' GhcTc)))
~ Anno (GRHS GhcTc (LocatedA (body GhcTc)))) =>
Mult
-> [LocatedA (body' GhcTc)]
-> LMatch GhcTc (LocatedA (body GhcTc))
-> ([LocatedA (body' GhcTc)],
LMatch GhcTc (LocatedA (body' GhcTc)))
replaceLeavesMatch Mult
res_ty) [GenLocated SrcSpanAnnA (HsExpr GhcTc)]
leaves' [GenLocated
SrcSpanAnnA (Match GhcTc (GenLocated SrcSpanAnnA (HsCmd GhcTc)))]
matches
(MatchGroup GhcTc (GenLocated SrcSpanAnnA (HsExpr GhcTc)),
CoreExpr)
-> IOEnv
(Env DsGblEnv DsLclEnv)
(MatchGroup GhcTc (GenLocated SrcSpanAnnA (HsExpr GhcTc)),
CoreExpr)
forall (m :: * -> *) a. Monad m => a -> m a
return (MG :: forall p body.
XMG p body -> XRec p [LMatch p body] -> Origin -> MatchGroup p body
MG { mg_alts :: XRec GhcTc [LMatch GhcTc (GenLocated SrcSpanAnnA (HsExpr GhcTc))]
mg_alts = SrcSpanAnnL
-> [GenLocated
SrcSpanAnnA (Match GhcTc (GenLocated SrcSpanAnnA (HsExpr GhcTc)))]
-> LocatedAn
AnnList
[GenLocated
SrcSpanAnnA (Match GhcTc (GenLocated SrcSpanAnnA (HsExpr GhcTc)))]
forall l e. l -> e -> GenLocated l e
L SrcSpanAnnL
l [GenLocated
SrcSpanAnnA (Match GhcTc (GenLocated SrcSpanAnnA (HsExpr GhcTc)))]
matches'
, mg_ext :: XMG GhcTc (GenLocated SrcSpanAnnA (HsExpr GhcTc))
mg_ext = [Scaled Mult] -> Mult -> MatchGroupTc
MatchGroupTc [Scaled Mult]
arg_tys Mult
sum_ty
, mg_origin :: Origin
mg_origin = Origin
origin },
CoreExpr
core_choices)
dsCmdDo :: DsCmdEnv
-> IdSet
-> Type
-> [CmdLStmt GhcTc]
-> [Id]
-> DsM (CoreExpr,
DIdSet)
dsCmdDo :: DsCmdEnv
-> VarSet
-> Mult
-> [CmdLStmt GhcTc]
-> [Id]
-> DsM (CoreExpr, DIdSet)
dsCmdDo DsCmdEnv
_ VarSet
_ Mult
_ [] [Id]
_ = String -> DsM (CoreExpr, DIdSet)
forall a. String -> a
panic String
"dsCmdDo"
dsCmdDo DsCmdEnv
ids VarSet
local_vars Mult
res_ty [L _ (LastStmt _ body _ _)] [Id]
env_ids = do
(CoreExpr
core_body, DIdSet
env_ids') <- DsCmdEnv
-> VarSet
-> Mult
-> Mult
-> LHsCmd GhcTc
-> [Id]
-> DsM (CoreExpr, DIdSet)
dsLCmd DsCmdEnv
ids VarSet
local_vars Mult
unitTy Mult
res_ty LHsCmd GhcTc
GenLocated SrcSpanAnnA (HsCmd GhcTc)
body [Id]
env_ids
let env_ty :: Mult
env_ty = [Id] -> Mult
mkBigCoreVarTupTy [Id]
env_ids
Id
env_var <- Mult -> Mult -> DsM Id
newSysLocalDs Mult
Many Mult
env_ty
let core_map :: CoreExpr
core_map = Id -> CoreExpr -> CoreExpr
forall b. b -> Expr b -> Expr b
Lam Id
env_var (CoreExpr -> CoreExpr -> CoreExpr
mkCorePairExpr (Id -> CoreExpr
forall b. Id -> Expr b
Var Id
env_var) CoreExpr
mkCoreUnitExpr)
(CoreExpr, DIdSet) -> DsM (CoreExpr, DIdSet)
forall (m :: * -> *) a. Monad m => a -> m a
return (DsCmdEnv
-> Mult -> Mult -> Mult -> CoreExpr -> CoreExpr -> CoreExpr
do_premap DsCmdEnv
ids
Mult
env_ty
(Mult -> Mult -> Mult
mkCorePairTy Mult
env_ty Mult
unitTy)
Mult
res_ty
CoreExpr
core_map
CoreExpr
core_body,
DIdSet
env_ids')
dsCmdDo DsCmdEnv
ids VarSet
local_vars Mult
res_ty (CmdLStmt GhcTc
stmt:[CmdLStmt GhcTc]
stmts) [Id]
env_ids = do
let bound_vars :: VarSet
bound_vars = [Id] -> VarSet
mkVarSet (CollectFlag GhcTc
-> LStmtLR GhcTc GhcTc (GenLocated SrcSpanAnnA (HsCmd GhcTc))
-> [IdP GhcTc]
forall (idL :: Pass) (idR :: Pass) body.
CollectPass (GhcPass idL) =>
CollectFlag (GhcPass idL)
-> LStmtLR (GhcPass idL) (GhcPass idR) body -> [IdP (GhcPass idL)]
collectLStmtBinders CollectFlag GhcTc
CollWithDictBinders CmdLStmt GhcTc
LStmtLR GhcTc GhcTc (GenLocated SrcSpanAnnA (HsCmd GhcTc))
stmt)
let local_vars' :: VarSet
local_vars' = VarSet
bound_vars VarSet -> VarSet -> VarSet
`unionVarSet` VarSet
local_vars
(CoreExpr
core_stmts, DIdSet
_, [Id]
env_ids') <- ([Id] -> DsM (CoreExpr, DIdSet)) -> DsM (CoreExpr, DIdSet, [Id])
trimInput (DsCmdEnv
-> VarSet
-> Mult
-> [CmdLStmt GhcTc]
-> [Id]
-> DsM (CoreExpr, DIdSet)
dsCmdDo DsCmdEnv
ids VarSet
local_vars' Mult
res_ty [CmdLStmt GhcTc]
stmts)
(CoreExpr
core_stmt, DIdSet
fv_stmt) <- DsCmdEnv
-> VarSet
-> [Id]
-> CmdLStmt GhcTc
-> [Id]
-> DsM (CoreExpr, DIdSet)
dsCmdLStmt DsCmdEnv
ids VarSet
local_vars [Id]
env_ids' CmdLStmt GhcTc
stmt [Id]
env_ids
(CoreExpr, DIdSet) -> DsM (CoreExpr, DIdSet)
forall (m :: * -> *) a. Monad m => a -> m a
return (DsCmdEnv
-> Mult -> Mult -> Mult -> CoreExpr -> CoreExpr -> CoreExpr
do_compose DsCmdEnv
ids
([Id] -> Mult
mkBigCoreVarTupTy [Id]
env_ids)
([Id] -> Mult
mkBigCoreVarTupTy [Id]
env_ids')
Mult
res_ty
CoreExpr
core_stmt
CoreExpr
core_stmts,
DIdSet
fv_stmt)
dsCmdLStmt :: DsCmdEnv -> IdSet -> [Id] -> CmdLStmt GhcTc -> [Id]
-> DsM (CoreExpr, DIdSet)
dsCmdLStmt :: DsCmdEnv
-> VarSet
-> [Id]
-> CmdLStmt GhcTc
-> [Id]
-> DsM (CoreExpr, DIdSet)
dsCmdLStmt DsCmdEnv
ids VarSet
local_vars [Id]
out_ids CmdLStmt GhcTc
cmd [Id]
env_ids
= DsCmdEnv
-> VarSet
-> [Id]
-> CmdStmt GhcTc
-> [Id]
-> DsM (CoreExpr, DIdSet)
dsCmdStmt DsCmdEnv
ids VarSet
local_vars [Id]
out_ids (GenLocated
SrcSpanAnnA
(StmtLR GhcTc GhcTc (GenLocated SrcSpanAnnA (HsCmd GhcTc)))
-> StmtLR GhcTc GhcTc (GenLocated SrcSpanAnnA (HsCmd GhcTc))
forall l e. GenLocated l e -> e
unLoc CmdLStmt GhcTc
GenLocated
SrcSpanAnnA
(StmtLR GhcTc GhcTc (GenLocated SrcSpanAnnA (HsCmd GhcTc)))
cmd) [Id]
env_ids
dsCmdStmt
:: DsCmdEnv
-> IdSet
-> [Id]
-> CmdStmt GhcTc
-> [Id]
-> DsM (CoreExpr,
DIdSet)
dsCmdStmt :: DsCmdEnv
-> VarSet
-> [Id]
-> CmdStmt GhcTc
-> [Id]
-> DsM (CoreExpr, DIdSet)
dsCmdStmt DsCmdEnv
ids VarSet
local_vars [Id]
out_ids (BodyStmt XBodyStmt GhcTc GhcTc (LHsCmd GhcTc)
c_ty LHsCmd GhcTc
cmd SyntaxExpr GhcTc
_ SyntaxExpr GhcTc
_) [Id]
env_ids = do
(CoreExpr
core_cmd, DIdSet
fv_cmd, [Id]
env_ids1) <- DsCmdEnv
-> VarSet
-> Mult
-> Mult
-> LHsCmd GhcTc
-> DsM (CoreExpr, DIdSet, [Id])
dsfixCmd DsCmdEnv
ids VarSet
local_vars Mult
unitTy XBodyStmt GhcTc GhcTc (LHsCmd GhcTc)
Mult
c_ty LHsCmd GhcTc
cmd
CoreExpr
core_mux <- [Id] -> CoreExpr -> DsM CoreExpr
matchEnv [Id]
env_ids
(CoreExpr -> CoreExpr -> CoreExpr
mkCorePairExpr
(CoreExpr -> CoreExpr -> CoreExpr
mkCorePairExpr ([Id] -> CoreExpr
mkBigCoreVarTup [Id]
env_ids1) CoreExpr
mkCoreUnitExpr)
([Id] -> CoreExpr
mkBigCoreVarTup [Id]
out_ids))
let
in_ty :: Mult
in_ty = [Id] -> Mult
mkBigCoreVarTupTy [Id]
env_ids
in_ty1 :: Mult
in_ty1 = Mult -> Mult -> Mult
mkCorePairTy ([Id] -> Mult
mkBigCoreVarTupTy [Id]
env_ids1) Mult
unitTy
out_ty :: Mult
out_ty = [Id] -> Mult
mkBigCoreVarTupTy [Id]
out_ids
before_c_ty :: Mult
before_c_ty = Mult -> Mult -> Mult
mkCorePairTy Mult
in_ty1 Mult
out_ty
after_c_ty :: Mult
after_c_ty = Mult -> Mult -> Mult
mkCorePairTy XBodyStmt GhcTc GhcTc (LHsCmd GhcTc)
Mult
c_ty Mult
out_ty
CoreExpr
snd_fn <- Mult -> Mult -> DsM CoreExpr
mkSndExpr XBodyStmt GhcTc GhcTc (LHsCmd GhcTc)
Mult
c_ty Mult
out_ty
(CoreExpr, DIdSet) -> DsM (CoreExpr, DIdSet)
forall (m :: * -> *) a. Monad m => a -> m a
return (DsCmdEnv
-> Mult -> Mult -> Mult -> CoreExpr -> CoreExpr -> CoreExpr
do_premap DsCmdEnv
ids Mult
in_ty Mult
before_c_ty Mult
out_ty CoreExpr
core_mux (CoreExpr -> CoreExpr) -> CoreExpr -> CoreExpr
forall a b. (a -> b) -> a -> b
$
DsCmdEnv
-> Mult -> Mult -> Mult -> CoreExpr -> CoreExpr -> CoreExpr
do_compose DsCmdEnv
ids Mult
before_c_ty Mult
after_c_ty Mult
out_ty
(DsCmdEnv -> Mult -> Mult -> Mult -> CoreExpr -> CoreExpr
do_first DsCmdEnv
ids Mult
in_ty1 XBodyStmt GhcTc GhcTc (LHsCmd GhcTc)
Mult
c_ty Mult
out_ty CoreExpr
core_cmd) (CoreExpr -> CoreExpr) -> CoreExpr -> CoreExpr
forall a b. (a -> b) -> a -> b
$
DsCmdEnv -> Mult -> Mult -> CoreExpr -> CoreExpr
do_arr DsCmdEnv
ids Mult
after_c_ty Mult
out_ty CoreExpr
snd_fn,
DIdSet -> [Id] -> DIdSet
extendDVarSetList DIdSet
fv_cmd [Id]
out_ids)
dsCmdStmt DsCmdEnv
ids VarSet
local_vars [Id]
out_ids (BindStmt XBindStmt GhcTc GhcTc (LHsCmd GhcTc)
_ LPat GhcTc
pat LHsCmd GhcTc
cmd) [Id]
env_ids = do
let pat_ty :: Mult
pat_ty = LPat GhcTc -> Mult
hsLPatType LPat GhcTc
pat
(CoreExpr
core_cmd, DIdSet
fv_cmd, [Id]
env_ids1) <- DsCmdEnv
-> VarSet
-> Mult
-> Mult
-> LHsCmd GhcTc
-> DsM (CoreExpr, DIdSet, [Id])
dsfixCmd DsCmdEnv
ids VarSet
local_vars Mult
unitTy Mult
pat_ty LHsCmd GhcTc
cmd
let pat_vars :: VarSet
pat_vars = [Id] -> VarSet
mkVarSet (CollectFlag GhcTc -> LPat GhcTc -> [IdP GhcTc]
forall p. CollectPass p => CollectFlag p -> LPat p -> [IdP p]
collectPatBinders CollectFlag GhcTc
CollWithDictBinders LPat GhcTc
pat)
let
env_ids2 :: [Id]
env_ids2 = (Id -> Bool) -> [Id] -> [Id]
forall a. (a -> Bool) -> [a] -> [a]
filterOut (Id -> VarSet -> Bool
`elemVarSet` VarSet
pat_vars) [Id]
out_ids
env_ty2 :: Mult
env_ty2 = [Id] -> Mult
mkBigCoreVarTupTy [Id]
env_ids2
CoreExpr
core_mux <- [Id] -> CoreExpr -> DsM CoreExpr
matchEnv [Id]
env_ids
(CoreExpr -> CoreExpr -> CoreExpr
mkCorePairExpr
(CoreExpr -> CoreExpr -> CoreExpr
mkCorePairExpr ([Id] -> CoreExpr
mkBigCoreVarTup [Id]
env_ids1) CoreExpr
mkCoreUnitExpr)
([Id] -> CoreExpr
mkBigCoreVarTup [Id]
env_ids2))
Id
env_id <- Mult -> Mult -> DsM Id
newSysLocalDs Mult
Many Mult
env_ty2
UniqSupply
uniqs <- TcRnIf DsGblEnv DsLclEnv UniqSupply
forall gbl lcl. TcRnIf gbl lcl UniqSupply
newUniqueSupply
let
after_c_ty :: Mult
after_c_ty = Mult -> Mult -> Mult
mkCorePairTy Mult
pat_ty Mult
env_ty2
out_ty :: Mult
out_ty = [Id] -> Mult
mkBigCoreVarTupTy [Id]
out_ids
body_expr :: CoreExpr
body_expr = UniqSupply -> Id -> [Id] -> CoreExpr -> CoreExpr
coreCaseTuple UniqSupply
uniqs Id
env_id [Id]
env_ids2 ([Id] -> CoreExpr
mkBigCoreVarTup [Id]
out_ids)
CoreExpr
fail_expr <- HsMatchContext GhcRn -> Mult -> DsM CoreExpr
mkFailExpr (HsStmtContext GhcRn -> HsMatchContext GhcRn
forall p. HsStmtContext p -> HsMatchContext p
StmtCtxt (HsDoFlavour -> HsStmtContext GhcRn
forall p. HsDoFlavour -> HsStmtContext p
HsDoStmt (Maybe ModuleName -> HsDoFlavour
DoExpr Maybe ModuleName
forall a. Maybe a
Nothing))) Mult
out_ty
Id
pat_id <- Mult -> LPat GhcTc -> DsM Id
selectSimpleMatchVarL Mult
Many LPat GhcTc
pat
CoreExpr
match_code
<- CoreExpr
-> HsMatchContext GhcRn
-> LPat GhcTc
-> CoreExpr
-> CoreExpr
-> DsM CoreExpr
matchSimply (Id -> CoreExpr
forall b. Id -> Expr b
Var Id
pat_id) (HsStmtContext GhcRn -> HsMatchContext GhcRn
forall p. HsStmtContext p -> HsMatchContext p
StmtCtxt (HsDoFlavour -> HsStmtContext GhcRn
forall p. HsDoFlavour -> HsStmtContext p
HsDoStmt (Maybe ModuleName -> HsDoFlavour
DoExpr Maybe ModuleName
forall a. Maybe a
Nothing))) LPat GhcTc
pat CoreExpr
body_expr CoreExpr
fail_expr
Id
pair_id <- Mult -> Mult -> DsM Id
newSysLocalDs Mult
Many Mult
after_c_ty
let
proj_expr :: CoreExpr
proj_expr = Id -> CoreExpr -> CoreExpr
forall b. b -> Expr b -> Expr b
Lam Id
pair_id (Id -> Id -> Id -> CoreExpr -> CoreExpr
coreCasePair Id
pair_id Id
pat_id Id
env_id CoreExpr
match_code)
let
in_ty :: Mult
in_ty = [Id] -> Mult
mkBigCoreVarTupTy [Id]
env_ids
in_ty1 :: Mult
in_ty1 = Mult -> Mult -> Mult
mkCorePairTy ([Id] -> Mult
mkBigCoreVarTupTy [Id]
env_ids1) Mult
unitTy
in_ty2 :: Mult
in_ty2 = [Id] -> Mult
mkBigCoreVarTupTy [Id]
env_ids2
before_c_ty :: Mult
before_c_ty = Mult -> Mult -> Mult
mkCorePairTy Mult
in_ty1 Mult
in_ty2
(CoreExpr, DIdSet) -> DsM (CoreExpr, DIdSet)
forall (m :: * -> *) a. Monad m => a -> m a
return (DsCmdEnv
-> Mult -> Mult -> Mult -> CoreExpr -> CoreExpr -> CoreExpr
do_premap DsCmdEnv
ids Mult
in_ty Mult
before_c_ty Mult
out_ty CoreExpr
core_mux (CoreExpr -> CoreExpr) -> CoreExpr -> CoreExpr
forall a b. (a -> b) -> a -> b
$
DsCmdEnv
-> Mult -> Mult -> Mult -> CoreExpr -> CoreExpr -> CoreExpr
do_compose DsCmdEnv
ids Mult
before_c_ty Mult
after_c_ty Mult
out_ty
(DsCmdEnv -> Mult -> Mult -> Mult -> CoreExpr -> CoreExpr
do_first DsCmdEnv
ids Mult
in_ty1 Mult
pat_ty Mult
in_ty2 CoreExpr
core_cmd) (CoreExpr -> CoreExpr) -> CoreExpr -> CoreExpr
forall a b. (a -> b) -> a -> b
$
DsCmdEnv -> Mult -> Mult -> CoreExpr -> CoreExpr
do_arr DsCmdEnv
ids Mult
after_c_ty Mult
out_ty CoreExpr
proj_expr,
DIdSet
fv_cmd DIdSet -> DIdSet -> DIdSet
`unionDVarSet` ([Id] -> DIdSet
mkDVarSet [Id]
out_ids
DIdSet -> VarSet -> DIdSet
forall a. UniqDSet a -> UniqSet a -> UniqDSet a
`uniqDSetMinusUniqSet` VarSet
pat_vars))
dsCmdStmt DsCmdEnv
ids VarSet
local_vars [Id]
out_ids (LetStmt XLetStmt GhcTc GhcTc (LHsCmd GhcTc)
_ HsLocalBinds GhcTc
binds) [Id]
env_ids = do
CoreExpr
core_binds <- HsLocalBinds GhcTc -> CoreExpr -> DsM CoreExpr
dsLocalBinds HsLocalBinds GhcTc
binds ([Id] -> CoreExpr
mkBigCoreVarTup [Id]
out_ids)
CoreExpr
core_map <- [Id] -> CoreExpr -> DsM CoreExpr
matchEnv [Id]
env_ids CoreExpr
core_binds
(CoreExpr, DIdSet) -> DsM (CoreExpr, DIdSet)
forall (m :: * -> *) a. Monad m => a -> m a
return (DsCmdEnv -> Mult -> Mult -> CoreExpr -> CoreExpr
do_arr DsCmdEnv
ids
([Id] -> Mult
mkBigCoreVarTupTy [Id]
env_ids)
([Id] -> Mult
mkBigCoreVarTupTy [Id]
out_ids)
CoreExpr
core_map,
CoreExpr -> DIdSet
exprFreeIdsDSet CoreExpr
core_binds DIdSet -> VarSet -> DIdSet
forall a. UniqDSet a -> UniqSet a -> UniqDSet a
`uniqDSetIntersectUniqSet` VarSet
local_vars)
dsCmdStmt DsCmdEnv
ids VarSet
local_vars [Id]
out_ids
(RecStmt { recS_stmts :: forall idL idR body.
StmtLR idL idR body -> XRec idR [LStmtLR idL idR body]
recS_stmts = L _ 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_ext :: forall idL idR body. StmtLR idL idR body -> XRecStmt idL idR body
recS_ext = RecStmtTc { recS_later_rets = later_rets
, recS_rec_rets = rec_rets } })
[Id]
env_ids = do
let
later_ids_set :: VarSet
later_ids_set = [Id] -> VarSet
mkVarSet [IdP GhcTc]
[Id]
later_ids
env2_ids :: [Id]
env2_ids = (Id -> Bool) -> [Id] -> [Id]
forall a. (a -> Bool) -> [a] -> [a]
filterOut (Id -> VarSet -> Bool
`elemVarSet` VarSet
later_ids_set) [Id]
out_ids
env2_id_set :: DIdSet
env2_id_set = [Id] -> DIdSet
mkDVarSet [Id]
env2_ids
env2_ty :: Mult
env2_ty = [Id] -> Mult
mkBigCoreVarTupTy [Id]
env2_ids
UniqSupply
uniqs <- TcRnIf DsGblEnv DsLclEnv UniqSupply
forall gbl lcl. TcRnIf gbl lcl UniqSupply
newUniqueSupply
Id
env2_id <- Mult -> Mult -> DsM Id
newSysLocalDs Mult
Many Mult
env2_ty
let
later_ty :: Mult
later_ty = [Id] -> Mult
mkBigCoreVarTupTy [IdP GhcTc]
[Id]
later_ids
post_pair_ty :: Mult
post_pair_ty = Mult -> Mult -> Mult
mkCorePairTy Mult
later_ty Mult
env2_ty
post_loop_body :: CoreExpr
post_loop_body = UniqSupply -> Id -> [Id] -> CoreExpr -> CoreExpr
coreCaseTuple UniqSupply
uniqs Id
env2_id [Id]
env2_ids ([Id] -> CoreExpr
mkBigCoreVarTup [Id]
out_ids)
CoreExpr
post_loop_fn <- [Id] -> Id -> CoreExpr -> DsM CoreExpr
matchEnvStack [IdP GhcTc]
[Id]
later_ids Id
env2_id CoreExpr
post_loop_body
(CoreExpr
core_loop, DIdSet
env1_id_set, [Id]
env1_ids)
<- DsCmdEnv
-> VarSet
-> [CmdLStmt GhcTc]
-> [Id]
-> [HsExpr GhcTc]
-> [Id]
-> [HsExpr GhcTc]
-> DsM (CoreExpr, DIdSet, [Id])
dsRecCmd DsCmdEnv
ids VarSet
local_vars [CmdLStmt GhcTc]
[GenLocated
SrcSpanAnnA
(StmtLR GhcTc GhcTc (GenLocated SrcSpanAnnA (HsCmd GhcTc)))]
stmts [IdP GhcTc]
[Id]
later_ids [HsExpr GhcTc]
later_rets [IdP GhcTc]
[Id]
rec_ids [HsExpr GhcTc]
rec_rets
let
env1_ty :: Mult
env1_ty = [Id] -> Mult
mkBigCoreVarTupTy [Id]
env1_ids
pre_pair_ty :: Mult
pre_pair_ty = Mult -> Mult -> Mult
mkCorePairTy Mult
env1_ty Mult
env2_ty
pre_loop_body :: CoreExpr
pre_loop_body = CoreExpr -> CoreExpr -> CoreExpr
mkCorePairExpr ([Id] -> CoreExpr
mkBigCoreVarTup [Id]
env1_ids)
([Id] -> CoreExpr
mkBigCoreVarTup [Id]
env2_ids)
CoreExpr
pre_loop_fn <- [Id] -> CoreExpr -> DsM CoreExpr
matchEnv [Id]
env_ids CoreExpr
pre_loop_body
let
env_ty :: Mult
env_ty = [Id] -> Mult
mkBigCoreVarTupTy [Id]
env_ids
out_ty :: Mult
out_ty = [Id] -> Mult
mkBigCoreVarTupTy [Id]
out_ids
core_body :: CoreExpr
core_body = DsCmdEnv
-> Mult -> Mult -> Mult -> CoreExpr -> CoreExpr -> CoreExpr
do_premap DsCmdEnv
ids Mult
env_ty Mult
pre_pair_ty Mult
out_ty
CoreExpr
pre_loop_fn
(DsCmdEnv
-> Mult -> Mult -> Mult -> CoreExpr -> CoreExpr -> CoreExpr
do_compose DsCmdEnv
ids Mult
pre_pair_ty Mult
post_pair_ty Mult
out_ty
(DsCmdEnv -> Mult -> Mult -> Mult -> CoreExpr -> CoreExpr
do_first DsCmdEnv
ids Mult
env1_ty Mult
later_ty Mult
env2_ty
CoreExpr
core_loop)
(DsCmdEnv -> Mult -> Mult -> CoreExpr -> CoreExpr
do_arr DsCmdEnv
ids Mult
post_pair_ty Mult
out_ty
CoreExpr
post_loop_fn))
(CoreExpr, DIdSet) -> DsM (CoreExpr, DIdSet)
forall (m :: * -> *) a. Monad m => a -> m a
return (CoreExpr
core_body, DIdSet
env1_id_set DIdSet -> DIdSet -> DIdSet
`unionDVarSet` DIdSet
env2_id_set)
dsCmdStmt DsCmdEnv
_ VarSet
_ [Id]
_ CmdStmt GhcTc
_ [Id]
s = String -> SDoc -> DsM (CoreExpr, DIdSet)
forall a. HasCallStack => String -> SDoc -> a
pprPanic String
"dsCmdStmt" ([Id] -> SDoc
forall a. Outputable a => a -> SDoc
ppr [Id]
s)
dsRecCmd
:: DsCmdEnv
-> IdSet
-> [CmdLStmt GhcTc]
-> [Id]
-> [HsExpr GhcTc]
-> [Id]
-> [HsExpr GhcTc]
-> DsM (CoreExpr,
DIdSet,
[Id])
dsRecCmd :: DsCmdEnv
-> VarSet
-> [CmdLStmt GhcTc]
-> [Id]
-> [HsExpr GhcTc]
-> [Id]
-> [HsExpr GhcTc]
-> DsM (CoreExpr, DIdSet, [Id])
dsRecCmd DsCmdEnv
ids VarSet
local_vars [CmdLStmt GhcTc]
stmts [Id]
later_ids [HsExpr GhcTc]
later_rets [Id]
rec_ids [HsExpr GhcTc]
rec_rets = do
let
later_id_set :: VarSet
later_id_set = [Id] -> VarSet
mkVarSet [Id]
later_ids
rec_id_set :: VarSet
rec_id_set = [Id] -> VarSet
mkVarSet [Id]
rec_ids
local_vars' :: VarSet
local_vars' = VarSet
rec_id_set VarSet -> VarSet -> VarSet
`unionVarSet` VarSet
later_id_set VarSet -> VarSet -> VarSet
`unionVarSet` VarSet
local_vars
[CoreExpr]
core_later_rets <- (HsExpr GhcTc -> DsM CoreExpr)
-> [HsExpr GhcTc] -> IOEnv (Env DsGblEnv DsLclEnv) [CoreExpr]
forall (t :: * -> *) (m :: * -> *) a b.
(Traversable t, Monad m) =>
(a -> m b) -> t a -> m (t b)
mapM HsExpr GhcTc -> DsM CoreExpr
dsExpr [HsExpr GhcTc]
later_rets
[CoreExpr]
core_rec_rets <- (HsExpr GhcTc -> DsM CoreExpr)
-> [HsExpr GhcTc] -> IOEnv (Env DsGblEnv DsLclEnv) [CoreExpr]
forall (t :: * -> *) (m :: * -> *) a b.
(Traversable t, Monad m) =>
(a -> m b) -> t a -> m (t b)
mapM HsExpr GhcTc -> DsM CoreExpr
dsExpr [HsExpr GhcTc]
rec_rets
let
out_ids :: [Id]
out_ids = [CoreExpr] -> [Id]
exprsFreeIdsList ([CoreExpr]
core_later_rets [CoreExpr] -> [CoreExpr] -> [CoreExpr]
forall a. [a] -> [a] -> [a]
++ [CoreExpr]
core_rec_rets)
out_ty :: Mult
out_ty = [Id] -> Mult
mkBigCoreVarTupTy [Id]
out_ids
later_tuple :: CoreExpr
later_tuple = [CoreExpr] -> CoreExpr
mkBigCoreTup [CoreExpr]
core_later_rets
later_ty :: Mult
later_ty = [Id] -> Mult
mkBigCoreVarTupTy [Id]
later_ids
rec_tuple :: CoreExpr
rec_tuple = [CoreExpr] -> CoreExpr
mkBigCoreTup [CoreExpr]
core_rec_rets
rec_ty :: Mult
rec_ty = [Id] -> Mult
mkBigCoreVarTupTy [Id]
rec_ids
out_pair :: CoreExpr
out_pair = CoreExpr -> CoreExpr -> CoreExpr
mkCorePairExpr CoreExpr
later_tuple CoreExpr
rec_tuple
out_pair_ty :: Mult
out_pair_ty = Mult -> Mult -> Mult
mkCorePairTy Mult
later_ty Mult
rec_ty
CoreExpr
mk_pair_fn <- [Id] -> CoreExpr -> DsM CoreExpr
matchEnv [Id]
out_ids CoreExpr
out_pair
(CoreExpr
core_stmts, DIdSet
fv_stmts, [Id]
env_ids) <- DsCmdEnv
-> VarSet
-> [Id]
-> [CmdLStmt GhcTc]
-> DsM (CoreExpr, DIdSet, [Id])
dsfixCmdStmts DsCmdEnv
ids VarSet
local_vars' [Id]
out_ids [CmdLStmt GhcTc]
stmts
Id
rec_id <- Mult -> Mult -> DsM Id
newSysLocalDs Mult
Many Mult
rec_ty
let
env1_id_set :: DIdSet
env1_id_set = DIdSet
fv_stmts DIdSet -> VarSet -> DIdSet
forall a. UniqDSet a -> UniqSet a -> UniqDSet a
`uniqDSetMinusUniqSet` VarSet
rec_id_set
env1_ids :: [Id]
env1_ids = DIdSet -> [Id]
dVarSetElems DIdSet
env1_id_set
env1_ty :: Mult
env1_ty = [Id] -> Mult
mkBigCoreVarTupTy [Id]
env1_ids
in_pair_ty :: Mult
in_pair_ty = Mult -> Mult -> Mult
mkCorePairTy Mult
env1_ty Mult
rec_ty
core_body :: CoreExpr
core_body = [CoreExpr] -> CoreExpr
mkBigCoreTup ((Id -> CoreExpr) -> [Id] -> [CoreExpr]
forall a b. (a -> b) -> [a] -> [b]
map Id -> CoreExpr
selectVar [Id]
env_ids)
where
selectVar :: Id -> CoreExpr
selectVar Id
v
| Id
v Id -> VarSet -> Bool
`elemVarSet` VarSet
rec_id_set
= [Id] -> Id -> Id -> CoreExpr -> CoreExpr
mkTupleSelector [Id]
rec_ids Id
v Id
rec_id (Id -> CoreExpr
forall b. Id -> Expr b
Var Id
rec_id)
| Bool
otherwise = Id -> CoreExpr
forall b. Id -> Expr b
Var Id
v
CoreExpr
squash_pair_fn <- [Id] -> Id -> CoreExpr -> DsM CoreExpr
matchEnvStack [Id]
env1_ids Id
rec_id CoreExpr
core_body
let
env_ty :: Mult
env_ty = [Id] -> Mult
mkBigCoreVarTupTy [Id]
env_ids
core_loop :: CoreExpr
core_loop = DsCmdEnv -> Mult -> Mult -> Mult -> CoreExpr -> CoreExpr
do_loop DsCmdEnv
ids Mult
env1_ty Mult
later_ty Mult
rec_ty
(DsCmdEnv
-> Mult -> Mult -> Mult -> CoreExpr -> CoreExpr -> CoreExpr
do_premap DsCmdEnv
ids Mult
in_pair_ty Mult
env_ty Mult
out_pair_ty
CoreExpr
squash_pair_fn
(DsCmdEnv
-> Mult -> Mult -> Mult -> CoreExpr -> CoreExpr -> CoreExpr
do_compose DsCmdEnv
ids Mult
env_ty Mult
out_ty Mult
out_pair_ty
CoreExpr
core_stmts
(DsCmdEnv -> Mult -> Mult -> CoreExpr -> CoreExpr
do_arr DsCmdEnv
ids Mult
out_ty Mult
out_pair_ty CoreExpr
mk_pair_fn)))
(CoreExpr, DIdSet, [Id]) -> DsM (CoreExpr, DIdSet, [Id])
forall (m :: * -> *) a. Monad m => a -> m a
return (CoreExpr
core_loop, DIdSet
env1_id_set, [Id]
env1_ids)
dsfixCmdStmts
:: DsCmdEnv
-> IdSet
-> [Id]
-> [CmdLStmt GhcTc]
-> DsM (CoreExpr,
DIdSet,
[Id])
dsfixCmdStmts :: DsCmdEnv
-> VarSet
-> [Id]
-> [CmdLStmt GhcTc]
-> DsM (CoreExpr, DIdSet, [Id])
dsfixCmdStmts DsCmdEnv
ids VarSet
local_vars [Id]
out_ids [CmdLStmt GhcTc]
stmts
= ([Id] -> DsM (CoreExpr, DIdSet)) -> DsM (CoreExpr, DIdSet, [Id])
trimInput (DsCmdEnv
-> VarSet
-> [Id]
-> [CmdLStmt GhcTc]
-> [Id]
-> DsM (CoreExpr, DIdSet)
dsCmdStmts DsCmdEnv
ids VarSet
local_vars [Id]
out_ids [CmdLStmt GhcTc]
stmts)
dsCmdStmts
:: DsCmdEnv
-> IdSet
-> [Id]
-> [CmdLStmt GhcTc]
-> [Id]
-> DsM (CoreExpr,
DIdSet)
dsCmdStmts :: DsCmdEnv
-> VarSet
-> [Id]
-> [CmdLStmt GhcTc]
-> [Id]
-> DsM (CoreExpr, DIdSet)
dsCmdStmts DsCmdEnv
ids VarSet
local_vars [Id]
out_ids [CmdLStmt GhcTc
stmt] [Id]
env_ids
= DsCmdEnv
-> VarSet
-> [Id]
-> CmdLStmt GhcTc
-> [Id]
-> DsM (CoreExpr, DIdSet)
dsCmdLStmt DsCmdEnv
ids VarSet
local_vars [Id]
out_ids CmdLStmt GhcTc
stmt [Id]
env_ids
dsCmdStmts DsCmdEnv
ids VarSet
local_vars [Id]
out_ids (CmdLStmt GhcTc
stmt:[CmdLStmt GhcTc]
stmts) [Id]
env_ids = do
let bound_vars :: VarSet
bound_vars = [Id] -> VarSet
mkVarSet (CollectFlag GhcTc
-> LStmtLR GhcTc GhcTc (GenLocated SrcSpanAnnA (HsCmd GhcTc))
-> [IdP GhcTc]
forall (idL :: Pass) (idR :: Pass) body.
CollectPass (GhcPass idL) =>
CollectFlag (GhcPass idL)
-> LStmtLR (GhcPass idL) (GhcPass idR) body -> [IdP (GhcPass idL)]
collectLStmtBinders CollectFlag GhcTc
CollWithDictBinders CmdLStmt GhcTc
LStmtLR GhcTc GhcTc (GenLocated SrcSpanAnnA (HsCmd GhcTc))
stmt)
let local_vars' :: VarSet
local_vars' = VarSet
bound_vars VarSet -> VarSet -> VarSet
`unionVarSet` VarSet
local_vars
(CoreExpr
core_stmts, DIdSet
_fv_stmts, [Id]
env_ids') <- DsCmdEnv
-> VarSet
-> [Id]
-> [CmdLStmt GhcTc]
-> DsM (CoreExpr, DIdSet, [Id])
dsfixCmdStmts DsCmdEnv
ids VarSet
local_vars' [Id]
out_ids [CmdLStmt GhcTc]
stmts
(CoreExpr
core_stmt, DIdSet
fv_stmt) <- DsCmdEnv
-> VarSet
-> [Id]
-> CmdLStmt GhcTc
-> [Id]
-> DsM (CoreExpr, DIdSet)
dsCmdLStmt DsCmdEnv
ids VarSet
local_vars [Id]
env_ids' CmdLStmt GhcTc
stmt [Id]
env_ids
(CoreExpr, DIdSet) -> DsM (CoreExpr, DIdSet)
forall (m :: * -> *) a. Monad m => a -> m a
return (DsCmdEnv
-> Mult -> Mult -> Mult -> CoreExpr -> CoreExpr -> CoreExpr
do_compose DsCmdEnv
ids
([Id] -> Mult
mkBigCoreVarTupTy [Id]
env_ids)
([Id] -> Mult
mkBigCoreVarTupTy [Id]
env_ids')
([Id] -> Mult
mkBigCoreVarTupTy [Id]
out_ids)
CoreExpr
core_stmt
CoreExpr
core_stmts,
DIdSet
fv_stmt)
dsCmdStmts DsCmdEnv
_ VarSet
_ [Id]
_ [] [Id]
_ = String -> DsM (CoreExpr, DIdSet)
forall a. String -> a
panic String
"dsCmdStmts []"
matchSimplys :: [CoreExpr]
-> HsMatchContext GhcRn
-> [LPat GhcTc]
-> CoreExpr
-> CoreExpr
-> DsM CoreExpr
matchSimplys :: [CoreExpr]
-> HsMatchContext GhcRn
-> [LPat GhcTc]
-> CoreExpr
-> CoreExpr
-> DsM CoreExpr
matchSimplys [] HsMatchContext GhcRn
_ctxt [] CoreExpr
result_expr CoreExpr
_fail_expr = CoreExpr -> DsM CoreExpr
forall (m :: * -> *) a. Monad m => a -> m a
return CoreExpr
result_expr
matchSimplys (CoreExpr
exp:[CoreExpr]
exps) HsMatchContext GhcRn
ctxt (LPat GhcTc
pat:[LPat GhcTc]
pats) CoreExpr
result_expr CoreExpr
fail_expr = do
CoreExpr
match_code <- [CoreExpr]
-> HsMatchContext GhcRn
-> [LPat GhcTc]
-> CoreExpr
-> CoreExpr
-> DsM CoreExpr
matchSimplys [CoreExpr]
exps HsMatchContext GhcRn
ctxt [LPat GhcTc]
pats CoreExpr
result_expr CoreExpr
fail_expr
CoreExpr
-> HsMatchContext GhcRn
-> LPat GhcTc
-> CoreExpr
-> CoreExpr
-> DsM CoreExpr
matchSimply CoreExpr
exp HsMatchContext GhcRn
ctxt LPat GhcTc
pat CoreExpr
match_code CoreExpr
fail_expr
matchSimplys [CoreExpr]
_ HsMatchContext GhcRn
_ [LPat GhcTc]
_ CoreExpr
_ CoreExpr
_ = String -> DsM CoreExpr
forall a. String -> a
panic String
"matchSimplys"
leavesMatch :: LMatch GhcTc (LocatedA (body GhcTc))
-> [(LocatedA (body GhcTc), IdSet)]
leavesMatch :: LMatch GhcTc (LocatedA (body GhcTc))
-> [(LocatedA (body GhcTc), VarSet)]
leavesMatch (L _ (Match { m_pats = pats
, m_grhss = GRHSs _ grhss binds }))
= let
defined_vars :: VarSet
defined_vars = [Id] -> VarSet
mkVarSet (CollectFlag GhcTc -> [LPat GhcTc] -> [IdP GhcTc]
forall p. CollectPass p => CollectFlag p -> [LPat p] -> [IdP p]
collectPatsBinders CollectFlag GhcTc
CollWithDictBinders [LPat GhcTc]
pats)
VarSet -> VarSet -> VarSet
`unionVarSet`
[Id] -> VarSet
mkVarSet (CollectFlag GhcTc -> HsLocalBinds GhcTc -> [IdP GhcTc]
forall (idL :: Pass) (idR :: Pass).
CollectPass (GhcPass idL) =>
CollectFlag (GhcPass idL)
-> HsLocalBindsLR (GhcPass idL) (GhcPass idR)
-> [IdP (GhcPass idL)]
collectLocalBinders CollectFlag GhcTc
CollWithDictBinders HsLocalBinds GhcTc
binds)
in
[(LocatedA (body GhcTc)
body,
[Id] -> VarSet
mkVarSet (CollectFlag GhcTc
-> [LStmtLR GhcTc GhcTc (GenLocated SrcSpanAnnA (HsExpr GhcTc))]
-> [IdP GhcTc]
forall (idL :: Pass) (idR :: Pass) body.
CollectPass (GhcPass idL) =>
CollectFlag (GhcPass idL)
-> [LStmtLR (GhcPass idL) (GhcPass idR) body]
-> [IdP (GhcPass idL)]
collectLStmtsBinders CollectFlag GhcTc
CollWithDictBinders [GuardLStmt GhcTc]
[LStmtLR GhcTc GhcTc (GenLocated SrcSpanAnnA (HsExpr GhcTc))]
stmts)
VarSet -> VarSet -> VarSet
`unionVarSet` VarSet
defined_vars)
| L Anno (GRHS GhcTc (LocatedA (body GhcTc)))
_ (GRHS XCGRHS GhcTc (LocatedA (body GhcTc))
_ [GuardLStmt GhcTc]
stmts LocatedA (body GhcTc)
body) <- [LGRHS GhcTc (LocatedA (body GhcTc))]
[GenLocated
(Anno (GRHS GhcTc (LocatedA (body GhcTc))))
(GRHS GhcTc (LocatedA (body GhcTc)))]
grhss]
replaceLeavesMatch
:: ( Anno (Match GhcTc (LocatedA (body' GhcTc))) ~ Anno (Match GhcTc (LocatedA (body GhcTc)))
, Anno (GRHS GhcTc (LocatedA (body' GhcTc))) ~ Anno (GRHS GhcTc (LocatedA (body GhcTc))))
=> Type
-> [LocatedA (body' GhcTc)]
-> LMatch GhcTc (LocatedA (body GhcTc))
-> ([LocatedA (body' GhcTc)],
LMatch GhcTc (LocatedA (body' GhcTc)))
replaceLeavesMatch :: Mult
-> [LocatedA (body' GhcTc)]
-> LMatch GhcTc (LocatedA (body GhcTc))
-> ([LocatedA (body' GhcTc)],
LMatch GhcTc (LocatedA (body' GhcTc)))
replaceLeavesMatch Mult
_res_ty [LocatedA (body' GhcTc)]
leaves
(L loc
match@(Match { m_grhss = GRHSs x grhss binds }))
= let
([LocatedA (body' GhcTc)]
leaves', [GenLocated
(Anno (GRHS GhcTc (LocatedA (body' GhcTc))))
(GRHS GhcTc (LocatedA (body' GhcTc)))]
grhss') = ([LocatedA (body' GhcTc)]
-> GenLocated
(Anno (GRHS GhcTc (LocatedA (body GhcTc))))
(GRHS GhcTc (LocatedA (body GhcTc)))
-> ([LocatedA (body' GhcTc)],
GenLocated
(Anno (GRHS GhcTc (LocatedA (body' GhcTc))))
(GRHS GhcTc (LocatedA (body' GhcTc)))))
-> [LocatedA (body' GhcTc)]
-> [GenLocated
(Anno (GRHS GhcTc (LocatedA (body GhcTc))))
(GRHS GhcTc (LocatedA (body GhcTc)))]
-> ([LocatedA (body' GhcTc)],
[GenLocated
(Anno (GRHS GhcTc (LocatedA (body' GhcTc))))
(GRHS GhcTc (LocatedA (body' GhcTc)))])
forall (t :: * -> *) a b c.
Traversable t =>
(a -> b -> (a, c)) -> a -> t b -> (a, t c)
mapAccumL [LocatedA (body' GhcTc)]
-> GenLocated
(Anno (GRHS GhcTc (LocatedA (body GhcTc))))
(GRHS GhcTc (LocatedA (body GhcTc)))
-> ([LocatedA (body' GhcTc)],
GenLocated
(Anno (GRHS GhcTc (LocatedA (body' GhcTc))))
(GRHS GhcTc (LocatedA (body' GhcTc))))
forall (body' :: * -> *) (body :: * -> *).
(Anno (Match GhcTc (LocatedA (body' GhcTc)))
~ Anno (Match GhcTc (LocatedA (body GhcTc))),
Anno (GRHS GhcTc (LocatedA (body' GhcTc)))
~ Anno (GRHS GhcTc (LocatedA (body GhcTc)))) =>
[LocatedA (body' GhcTc)]
-> LGRHS GhcTc (LocatedA (body GhcTc))
-> ([LocatedA (body' GhcTc)], LGRHS GhcTc (LocatedA (body' GhcTc)))
replaceLeavesGRHS [LocatedA (body' GhcTc)]
leaves [LGRHS GhcTc (LocatedA (body GhcTc))]
[GenLocated
(Anno (GRHS GhcTc (LocatedA (body GhcTc))))
(GRHS GhcTc (LocatedA (body GhcTc)))]
grhss
in
([LocatedA (body' GhcTc)]
leaves', Anno (Match GhcTc (LocatedA (body GhcTc)))
-> Match GhcTc (LocatedA (body' GhcTc))
-> GenLocated
(Anno (Match GhcTc (LocatedA (body GhcTc))))
(Match GhcTc (LocatedA (body' GhcTc)))
forall l e. l -> e -> GenLocated l e
L Anno (Match GhcTc (LocatedA (body GhcTc)))
loc (Match GhcTc (LocatedA (body GhcTc))
match { m_ext :: XCMatch GhcTc (LocatedA (body' GhcTc))
m_ext = XCMatch GhcTc (LocatedA (body' GhcTc))
forall ann. EpAnn ann
noAnn, m_grhss :: GRHSs GhcTc (LocatedA (body' GhcTc))
m_grhss = XCGRHSs GhcTc (LocatedA (body' GhcTc))
-> [LGRHS GhcTc (LocatedA (body' GhcTc))]
-> HsLocalBinds GhcTc
-> GRHSs GhcTc (LocatedA (body' GhcTc))
forall p body.
XCGRHSs p body -> [LGRHS p body] -> HsLocalBinds p -> GRHSs p body
GRHSs XCGRHSs GhcTc (LocatedA (body' GhcTc))
XCGRHSs GhcTc (LocatedA (body GhcTc))
x [LGRHS GhcTc (LocatedA (body' GhcTc))]
[GenLocated
(Anno (GRHS GhcTc (LocatedA (body' GhcTc))))
(GRHS GhcTc (LocatedA (body' GhcTc)))]
grhss' HsLocalBinds GhcTc
binds }))
replaceLeavesGRHS
:: ( Anno (Match GhcTc (LocatedA (body' GhcTc))) ~ Anno (Match GhcTc (LocatedA (body GhcTc)))
, Anno (GRHS GhcTc (LocatedA (body' GhcTc))) ~ Anno (GRHS GhcTc (LocatedA (body GhcTc))))
=> [LocatedA (body' GhcTc)]
-> LGRHS GhcTc (LocatedA (body GhcTc))
-> ([LocatedA (body' GhcTc)],
LGRHS GhcTc (LocatedA (body' GhcTc)))
replaceLeavesGRHS :: [LocatedA (body' GhcTc)]
-> LGRHS GhcTc (LocatedA (body GhcTc))
-> ([LocatedA (body' GhcTc)], LGRHS GhcTc (LocatedA (body' GhcTc)))
replaceLeavesGRHS (LocatedA (body' GhcTc)
leaf:[LocatedA (body' GhcTc)]
leaves) (L loc (GRHS x stmts _))
= ([LocatedA (body' GhcTc)]
leaves, Anno (GRHS GhcTc (LocatedA (body GhcTc)))
-> GRHS GhcTc (LocatedA (body' GhcTc))
-> GenLocated
(Anno (GRHS GhcTc (LocatedA (body GhcTc))))
(GRHS GhcTc (LocatedA (body' GhcTc)))
forall l e. l -> e -> GenLocated l e
L Anno (GRHS GhcTc (LocatedA (body GhcTc)))
loc (XCGRHS GhcTc (LocatedA (body' GhcTc))
-> [GuardLStmt GhcTc]
-> LocatedA (body' GhcTc)
-> GRHS GhcTc (LocatedA (body' GhcTc))
forall p body.
XCGRHS p body -> [GuardLStmt p] -> body -> GRHS p body
GRHS XCGRHS GhcTc (LocatedA (body' GhcTc))
XCGRHS GhcTc (LocatedA (body GhcTc))
x [GuardLStmt GhcTc]
stmts LocatedA (body' GhcTc)
leaf))
replaceLeavesGRHS [] LGRHS GhcTc (LocatedA (body GhcTc))
_ = String
-> ([LocatedA (body' GhcTc)],
GenLocated
(Anno (GRHS GhcTc (LocatedA (body GhcTc))))
(GRHS GhcTc (LocatedA (body' GhcTc))))
forall a. String -> a
panic String
"replaceLeavesGRHS []"
foldb :: (a -> a -> a) -> NonEmpty a -> a
foldb :: (a -> a -> a) -> NonEmpty a -> a
foldb a -> a -> a
_ (a
x:|[]) = a
x
foldb a -> a -> a
f NonEmpty a
xs = (a -> a -> a) -> NonEmpty a -> a
forall a. (a -> a -> a) -> NonEmpty a -> a
foldb a -> a -> a
f (NonEmpty a -> NonEmpty a
fold_pairs NonEmpty a
xs)
where
fold_pairs :: NonEmpty a -> NonEmpty a
fold_pairs (a
x1:|a
x2:[a]
xs) = a -> a -> a
f a
x1 a
x2 a -> [a] -> NonEmpty a
forall a. a -> [a] -> NonEmpty a
:| (NonEmpty a -> NonEmpty a) -> [a] -> [a]
forall a. (NonEmpty a -> NonEmpty a) -> [a] -> [a]
keep_empty NonEmpty a -> NonEmpty a
fold_pairs [a]
xs
fold_pairs NonEmpty a
xs = NonEmpty a
xs
keep_empty :: (NonEmpty a -> NonEmpty a) -> [a] -> [a]
keep_empty :: (NonEmpty a -> NonEmpty a) -> [a] -> [a]
keep_empty NonEmpty a -> NonEmpty a
f = [a] -> (NonEmpty a -> [a]) -> Maybe (NonEmpty a) -> [a]
forall b a. b -> (a -> b) -> Maybe a -> b
maybe [] (NonEmpty a -> [a]
forall (t :: * -> *) a. Foldable t => t a -> [a]
toList (NonEmpty a -> [a])
-> (NonEmpty a -> NonEmpty a) -> NonEmpty a -> [a]
forall b c a. (b -> c) -> (a -> b) -> a -> c
. NonEmpty a -> NonEmpty a
f) (Maybe (NonEmpty a) -> [a])
-> ([a] -> Maybe (NonEmpty a)) -> [a] -> [a]
forall b c a. (b -> c) -> (a -> b) -> a -> c
. [a] -> Maybe (NonEmpty a)
forall a. [a] -> Maybe (NonEmpty a)
nonEmpty