import Id ( mkWildId )
import Name ( Name, getOccName )
import NameEnv
-import TysWiredIn ( unitTy, intTy, intDataCon )
+import TysWiredIn ( unitTy, intTy, intDataCon, unitDataConId )
import TysPrim ( intPrimTy )
import Unique
buildPReprType = liftM repr_type . mkTyConRepr
buildToPRepr :: TyConRepr -> TyCon -> TyCon -> TyCon -> VM CoreExpr
-buildToPRepr repr vect_tc prepr_tc _
+buildToPRepr (TyConRepr {
+ repr_tys = repr_tys
+ , repr_prod_tycons = prod_tycons
+ , repr_prod_tys = prod_tys
+ , repr_sum_tycon = repr_sum_tycon
+ , repr_type = repr_type
+ })
+ vect_tc prepr_tc _
= do
- arg <- newLocalVar FSLIT("x") arg_ty
- bndrss <- mapM (mapM (newLocalVar FSLIT("x")))
- (repr_tys repr)
+ arg <- newLocalVar FSLIT("x") arg_ty
+ vars <- mapM (mapM (newLocalVar FSLIT("x"))) repr_tys
return . Lam arg
. wrapFamInstBody prepr_tc var_tys
- . Case (Var arg) (mkWildId arg_ty) (repr_type repr)
- . zipWith3 mk_alt data_cons bndrss
- . mkToPRepr repr $ map (map Var) bndrss
+ . Case (Var arg) (mkWildId arg_ty) repr_type
+ . mk_alts data_cons vars
+ . zipWith3 mk_prod prod_tycons repr_tys $ map (map Var) vars
where
var_tys = mkTyVarTys $ tyConTyVars vect_tc
arg_ty = mkTyConApp vect_tc var_tys
data_cons = tyConDataCons vect_tc
- mk_alt data_con bndrs body = (DataAlt data_con, bndrs, body)
+ Just sum_tycon = repr_sum_tycon
+ sum_datacons = tyConDataCons sum_tycon
+
+ mk_alts _ _ [] = [(DEFAULT, [], Var unitDataConId)]
+ mk_alts [dc] [vars] [expr] = [(DataAlt dc, vars, expr)]
+ mk_alts dcs vars exprs = zipWith4 mk_alt dcs vars sum_datacons exprs
+
+ mk_alt dc vars sum_dc expr = (DataAlt dc, vars,
+ mkConApp sum_dc (map Type prod_tys ++ [expr]))
+
+ mk_prod _ _ [] = Var unitDataConId
+ mk_prod _ _ [expr] = expr
+ mk_prod (Just tc) tys exprs = mkConApp dc (map Type tys ++ exprs)
+ where
+ [dc] = tyConDataCons tc
buildToArrPRepr :: TyConRepr -> TyCon -> TyCon -> TyCon -> VM CoreExpr
buildToArrPRepr _ vect_tc prepr_tc arr_tc
splitClosureTy,
TyConRepr(..), mkTyConRepr,
- mkToPRepr, mkToArrPRepr, mkFromPRepr, mkFromArrPRepr,
+ mkToArrPRepr, mkFromPRepr, mkFromArrPRepr,
mkPADictType, mkPArrayType, mkPReprType,
parrayCoerce, parrayReprTyCon, parrayReprDataCon, mkVScrut,
mk_tc_app_maybe Nothing [ty] = ty
mk_tc_app_maybe (Just tc) tys = mkTyConApp tc tys
-mkToPRepr :: TyConRepr -> [[CoreExpr]] -> [CoreExpr]
-mkToPRepr (TyConRepr {
- repr_tys = repr_tys
- , repr_prod_tycons = prod_tycons
- , repr_prod_tys = prod_tys
- , repr_sum_tycon = repr_sum_tycon
- })
- = mk_sum . zipWith3 mk_prod prod_tycons repr_tys
- where
- Just sum_tycon = repr_sum_tycon
-
- mk_sum [] = [Var unitDataConId]
- mk_sum [expr] = [expr]
- mk_sum exprs = zipWith (mk_alt prod_tys) (tyConDataCons sum_tycon) exprs
-
- mk_alt tys dc expr = mk_con_app dc tys [expr]
-
- mk_prod _ _ [] = Var unitDataConId
- mk_prod _ _ [expr] = expr
- mk_prod (Just tc) tys exprs = mk_con_app dc tys exprs
- where
- [dc] = tyConDataCons tc
-
- mk_con_app dc tys exprs = mkConApp dc (map Type tys ++ exprs)
-
mkToArrPRepr :: CoreExpr -> CoreExpr -> [[CoreExpr]] -> VM CoreExpr
mkToArrPRepr len sel ess
= do