; unbox_strict <- doptM Opt_UnboxStrictFields
; empty_data_decls <- doptM Opt_EmptyDataDecls
; kind_signatures <- doptM Opt_KindSignatures
; unbox_strict <- doptM Opt_UnboxStrictFields
; empty_data_decls <- doptM Opt_EmptyDataDecls
; kind_signatures <- doptM Opt_KindSignatures
-- Check that we don't use GADT syntax in H98 world
; checkTc (gadt_ok || h98_syntax) (badGadtDecl tc_name)
-- Check that we don't use GADT syntax in H98 world
; checkTc (gadt_ok || h98_syntax) (badGadtDecl tc_name)
(ConDecl name _ tvs ctxt details res_ty _)
= tcTyVarBndrs tvs $ \ tvs' -> do
{ ctxt' <- tcHsKindedContext ctxt
(ConDecl name _ tvs ctxt details res_ty _)
= tcTyVarBndrs tvs $ \ tvs' -> do
{ ctxt' <- tcHsKindedContext ctxt
; (univ_tvs, ex_tvs, eq_preds, data_tc) <- tcResultType tycon tc_tvs tvs' res_ty
; let
-- Tiresome: tidy the tyvar binders, since tc_tvs and tvs' may have the same OccNames
; (univ_tvs, ex_tvs, eq_preds, data_tc) <- tcResultType tycon tc_tvs tvs' res_ty
; let
-- Tiresome: tidy the tyvar binders, since tc_tvs and tvs' may have the same OccNames
= vcat [ ptext SLIT("Illegal generalised algebraic data declaration for") <+> quotes (ppr tc_name)
, nest 2 (parens $ ptext SLIT("Use -XGADTs to allow GADTs")) ]
= vcat [ ptext SLIT("Illegal generalised algebraic data declaration for") <+> quotes (ppr tc_name)
, nest 2 (parens $ ptext SLIT("Use -XGADTs to allow GADTs")) ]