X-Git-Url: http://git.megacz.com/?p=ghc-hetmet.git;a=blobdiff_plain;f=compiler%2Frename%2FRnTypes.lhs;h=31382c20a36e0f1afd540242dbff2fb25915b031;hp=ed3e6d0d7c4395a187f2e9db9e82a894d7cc43d5;hb=b2524b3960999fffdb3767900f58825903f6560f;hpb=6f8ff0bbad3b9fa389c960ad1b5a267a1ae502f1 diff --git a/compiler/rename/RnTypes.lhs b/compiler/rename/RnTypes.lhs index ed3e6d0..31382c2 100644 --- a/compiler/rename/RnTypes.lhs +++ b/compiler/rename/RnTypes.lhs @@ -7,7 +7,7 @@ module RnTypes ( -- Type related stuff rnHsType, rnLHsType, rnLHsTypes, rnContext, - rnHsSigType, rnHsTypeFVs, rnConDeclFields, + rnHsSigType, rnHsTypeFVs, rnConDeclFields, rnLPred, -- Precence related stuff mkOpAppRn, mkNegAppRn, mkOpFormRn, mkConOpPatRn, @@ -31,7 +31,7 @@ import RnEnv import TcRnMonad import RdrName import PrelNames -import TypeRep ( funTyConName ) +import TysPrim ( funTyConName ) import Name import SrcLoc import NameSet @@ -116,7 +116,7 @@ rnHsType _ (HsTyVar tyvar) = do -- Hence the jiggery pokery with ty1 rnHsType doc ty@(HsOpTy ty1 (L loc op) ty2) = setSrcSpan loc $ - do { ops_ok <- doptM Opt_TypeOperators + do { ops_ok <- xoptM Opt_TypeOperators ; op' <- if ops_ok then lookupOccRn op else do { addErr (opTyErr op ty) @@ -139,13 +139,6 @@ rnHsType doc (HsRecTy flds) = do { flds' <- rnConDeclFields doc flds ; return (HsRecTy flds') } -rnHsType _ (HsNumTy i) - | i == 1 = return (HsNumTy i) - | otherwise = addErr err_msg >> return (HsNumTy i) - where - err_msg = ptext (sLit "Only unit numeric type pattern is valid") - - rnHsType doc (HsFunTy ty1 ty2) = do ty1' <- rnLHsType doc ty1 -- Might find a for-all as the arg of a function type @@ -161,7 +154,7 @@ rnHsType doc (HsListTy ty) = do return (HsListTy ty') rnHsType doc (HsKindSig ty k) - = do { kind_sigs_ok <- doptM Opt_KindSignatures + = do { kind_sigs_ok <- xoptM Opt_KindSignatures ; unless kind_sigs_ok (addErr (kindSigErr ty)) ; ty' <- rnLHsType doc ty ; return (HsKindSig ty' k) } @@ -170,6 +163,11 @@ rnHsType doc (HsPArrTy ty) = do ty' <- rnLHsType doc ty return (HsPArrTy ty') +rnHsType doc (HsModalBoxType ecn ty) = do + ecn' <- lookupOccRn ecn + ty' <- rnLHsType doc ty + return (HsModalBoxType ecn' ty') + -- Unboxed tuples are allowed to have poly-typed arguments. These -- sometimes crop up as a result of CPR worker-wrappering dictionaries. rnHsType doc (HsTupleTy tup_con tys) = do @@ -185,9 +183,9 @@ rnHsType doc (HsPredTy pred) = do pred' <- rnPred doc pred return (HsPredTy pred') -rnHsType _ (HsSpliceTy sp) - = do { (sp', _fvs) <- rnSplice sp -- ToDo: deal with fvs - ; return (HsSpliceTy sp') } +rnHsType _ (HsSpliceTy sp _ k) + = do { (sp', fvs) <- rnSplice sp -- ToDo: deal with fvs + ; return (HsSpliceTy sp' fvs k) } rnHsType doc (HsDocTy ty haddock_doc) = do ty' <- rnLHsType doc ty @@ -200,8 +198,9 @@ rnHsType _ ty@(HsQuasiQuoteTy _) = pprPanic "Can't do quasiquotation without GHC rnHsType doc (HsQuasiQuoteTy qq) = do { ty <- runQuasiQuoteType qq ; rnHsType doc (unLoc ty) } #endif -rnHsType _ (HsSpliceTyOut {}) = panic "rnHsType" +rnHsType _ (HsCoreTy ty) = return (HsCoreTy ty) +-------------- rnLHsTypes :: SDoc -> [LHsType RdrName] -> IOEnv (Env TcGblEnv TcLclEnv) [LHsType Name] rnLHsTypes doc tys = mapM (rnLHsType doc) tys @@ -209,7 +208,7 @@ rnLHsTypes doc tys = mapM (rnLHsType doc) tys \begin{code} -rnForAll :: SDoc -> HsExplicitForAll -> [LHsTyVarBndr RdrName] +rnForAll :: SDoc -> HsExplicitFlag -> [LHsTyVarBndr RdrName] -> LHsContext RdrName -> LHsType RdrName -> RnM (HsType Name) rnForAll doc _ [] (L _ []) (L _ ty) = rnHsType doc ty @@ -569,7 +568,7 @@ ppr_opfix (op, fixity) = pp_op <+> brackets (ppr fixity) forAllWarn :: SDoc -> LHsType RdrName -> Located RdrName -> TcRnIf TcGblEnv TcLclEnv () forAllWarn doc ty (L loc tyvar) - = ifOptM Opt_WarnUnusedMatches $ + = ifDOptM Opt_WarnUnusedMatches $ addWarnAt loc (sep [ptext (sLit "The universally quantified type variable") <+> quotes (ppr tyvar), nest 4 (ptext (sLit "does not appear in the type") <+> quotes (ppr ty))] $$