import Id ( mkWildId )
import Name ( Name, getOccName )
import NameEnv
-import TysWiredIn ( unitTy, intTy, intDataCon, unitDataConId )
+import TysWiredIn ( unitTy, unitTyCon, intTy, intDataCon, unitDataConId )
import TysPrim ( intPrimTy )
import Unique
= mkFromArrPRepr undefined undefined undefined undefined undefined undefined
buildPRDict :: TyConRepr -> TyCon -> TyCon -> TyCon -> VM CoreExpr
-buildPRDict _ vect_tc prepr_tc _
- = prCoerce prepr_tc var_tys
- =<< prDictOfType (mkTyConApp prepr_tc var_tys)
+buildPRDict (TyConRepr {
+ repr_tys = repr_tys
+ , repr_prod_tycons = prod_tycons
+ , repr_prod_tys = prod_tys
+ , repr_sum_tycon = repr_sum_tycon
+ })
+ vect_tc prepr_tc _
+ = do
+ prs <- mapM (mapM mkPR) repr_tys
+ prod_prs <- sequence $ zipWith3 mk_prod_pr prod_tycons repr_tys prs
+ sum_pr <- mk_sum_pr prod_prs
+ prCoerce prepr_tc var_tys sum_pr
where
var_tys = mkTyVarTys $ tyConTyVars vect_tc
+ Just sum_tycon = repr_sum_tycon
+
+ mk_prod_pr _ _ [] = prDFunOfTyCon unitTyCon
+ mk_prod_pr _ _ [pr] = return pr
+ mk_prod_pr (Just tc) tys prs
+ = do
+ dfun <- prDFunOfTyCon tc
+ return $ dfun `mkTyApps` tys `mkApps` prs
+
+ mk_sum_pr [pr] = return pr
+ mk_sum_pr prs
+ = do
+ dfun <- prDFunOfTyCon sum_tycon
+ return $ dfun `mkTyApps` prod_tys `mkApps` prs
+
buildPArrayTyCon :: TyCon -> TyCon -> VM TyCon
buildPArrayTyCon orig_tc vect_tc = fixV $ \repr_tc ->
do