collectAnnValBinders,
mkDataConTag,
splitClosureTy,
+ mkPReprType, mkPReprAlts,
mkPADictType, mkPArrayType,
parrayReprTyCon, parrayReprDataCon, mkVScrut,
paDictArgType, paDictOfType, paDFunType,
| otherwise = pprPanic "splitPArrayTy" (ppr ty)
-mkClosureType :: Type -> Type -> VM Type
-mkClosureType arg_ty res_ty
+mkBuiltinTyConApp :: (Builtins -> TyCon) -> [Type] -> VM Type
+mkBuiltinTyConApp get_tc tys
= do
- tc <- builtin closureTyCon
- return $ mkTyConApp tc [arg_ty, res_ty]
+ tc <- builtin get_tc
+ return $ mkTyConApp tc tys
-mkClosureTypes :: [Type] -> Type -> VM Type
-mkClosureTypes arg_tys res_ty
+mkBuiltinTyConApps :: (Builtins -> TyCon) -> [Type] -> Type -> VM Type
+mkBuiltinTyConApps get_tc tys ty
= do
- tc <- builtin closureTyCon
- return $ foldr (mk tc) res_ty arg_tys
+ tc <- builtin get_tc
+ return $ foldr (mk tc) ty tys
where
- mk tc arg_ty res_ty = mkTyConApp tc [arg_ty, res_ty]
+ mk tc ty1 ty2 = mkTyConApp tc [ty1,ty2]
-mkPADictType :: Type -> VM Type
-mkPADictType ty
+mkBuiltinTyConApps1 :: (Builtins -> TyCon) -> Type -> [Type] -> VM Type
+mkBuiltinTyConApps1 get_tc dft [] = return dft
+mkBuiltinTyConApps1 get_tc dft tys
= do
- tc <- builtin paTyCon
- return $ TyConApp tc [ty]
+ tc <- builtin get_tc
+ case tys of
+ [] -> pprPanic "mkBuiltinTyConApps1" (ppr tc)
+ _ -> return $ foldr1 (mk tc) tys
+ where
+ mk tc ty1 ty2 = mkTyConApp tc [ty1,ty2]
-mkPArrayType :: Type -> VM Type
-mkPArrayType ty
+mkPReprType :: [[Type]] -> VM Type
+mkPReprType [] = return unitTy
+mkPReprType tys
+ = do
+ embed <- builtin embedTyCon
+ cross <- builtin crossTyCon
+ plus <- builtin plusTyCon
+
+ let mk_embed ty = mkTyConApp embed [ty]
+ mk_cross ty1 ty2 = mkTyConApp cross [ty1, ty2]
+ mk_plus ty1 ty2 = mkTyConApp plus [ty1, ty2]
+
+ mk_tup [] = unitTy
+ mk_tup tys = foldr1 mk_cross tys
+
+ mk_sum [] = unitTy
+ mk_sum tys = foldr1 mk_plus tys
+
+ return . mk_sum
+ . map (mk_tup . map mk_embed)
+ $ tys
+
+mkPReprAlts :: [[CoreExpr]] -> VM ([CoreExpr], Type)
+mkPReprAlts ess
= do
- tc <- builtin parrayTyCon
- return $ TyConApp tc [ty]
+ embed_tc <- builtin embedTyCon
+ embed_dc <- builtin embedDataCon
+ cross_tc <- builtin crossTyCon
+ cross_dc <- builtin crossDataCon
+ plus_tc <- builtin plusTyCon
+ left_dc <- builtin leftDataCon
+ right_dc <- builtin rightDataCon
+
+ let mk_embed (expr, ty, pa)
+ = (mkConApp embed_dc [Type ty, pa, expr],
+ mkTyConApp embed_tc [ty])
+
+ mk_cross (expr1, ty1) (expr2, ty2)
+ = (mkConApp cross_dc [Type ty1, Type ty2, expr1, expr2],
+ mkTyConApp cross_tc [ty1, ty2])
+
+ mk_tup [] = (Var unitDataConId, unitTy)
+ mk_tup es = foldr1 mk_cross es
+
+ mk_sum [] = ([Var unitDataConId], unitTy)
+ mk_sum [(expr, ty)] = ([expr], ty)
+ mk_sum ((expr, lty) : es)
+ = let (alts, rty) = mk_sum es
+ in
+ (mkConApp left_dc [Type lty, Type rty, expr]
+ : [mkConApp right_dc [Type lty, Type rty, alt] | alt <- alts],
+ mkTyConApp plus_tc [lty, rty])
+
+ liftM (mk_sum . map (mk_tup . map mk_embed))
+ (mapM (mapM init) ess)
+ where
+ init expr = let ty = exprType expr
+ in do
+ pa <- paDictOfType ty
+ return (expr, ty, pa)
+
+mkClosureType :: Type -> Type -> VM Type
+mkClosureType arg_ty res_ty = mkBuiltinTyConApp closureTyCon [arg_ty, res_ty]
+
+mkClosureTypes :: [Type] -> Type -> VM Type
+mkClosureTypes = mkBuiltinTyConApps closureTyCon
+
+mkPADictType :: Type -> VM Type
+mkPADictType ty = mkBuiltinTyConApp paTyCon [ty]
+
+mkPArrayType :: Type -> VM Type
+mkPArrayType ty = mkBuiltinTyConApp parrayTyCon [ty]
parrayReprTyCon :: Type -> VM (TyCon, [Type])
parrayReprTyCon ty = builtin parrayTyCon >>= (`lookupFamInst` [ty])