diff options
Diffstat (limited to 'compiler/GHC/Tc/Gen/App.hs')
| -rw-r--r-- | compiler/GHC/Tc/Gen/App.hs | 12 |
1 files changed, 8 insertions, 4 deletions
diff --git a/compiler/GHC/Tc/Gen/App.hs b/compiler/GHC/Tc/Gen/App.hs index 7f337a7be3..326af87c69 100644 --- a/compiler/GHC/Tc/Gen/App.hs +++ b/compiler/GHC/Tc/Gen/App.hs @@ -24,6 +24,7 @@ import {-# SOURCE #-} GHC.Tc.Gen.Expr( tcPolyExpr ) import GHC.Builtin.Types (multiplicityTy) import GHC.Tc.Gen.Head import GHC.Hs +import GHC.Tc.Errors.Types import GHC.Tc.Utils.Monad import GHC.Tc.Utils.Unify import GHC.Tc.Utils.Instantiate @@ -39,6 +40,7 @@ import GHC.Core.TyCo.Subst (substTyWithInScope) import GHC.Core.TyCo.FVs( shallowTyCoVarsOfType ) import GHC.Core.Type import GHC.Tc.Types.Evidence +import GHC.Types.Error import GHC.Types.Var.Set import GHC.Builtin.PrimOps( tagToEnumKey ) import GHC.Builtin.Names @@ -693,7 +695,7 @@ tcVTA fun_ty hs_ty | otherwise = do { (_, fun_ty) <- zonkTidyTcType emptyTidyEnv fun_ty - ; failWith $ + ; failWith $ TcRnUnknownMessage $ mkPlainError noHints $ text "Cannot apply expression of type" <+> quotes (ppr fun_ty) $$ text "to a visible type argument" <+> quotes (ppr hs_ty) } @@ -1175,7 +1177,8 @@ tcTagToEnum tc_fun fun_ctxt tc_args res_ty ; return (mkHsWrap df_wrap tc_expr) }}}}} | otherwise - = failWithTc (text "tagToEnum# must appear applied to one value argument") + = failWithTc $ TcRnUnknownMessage $ mkPlainError noHints $ + (text "tagToEnum# must appear applied to one value argument") where vanilla_result = return (rebuildHsApps tc_fun fun_ctxt tc_args) @@ -1188,9 +1191,10 @@ tcTagToEnum tc_fun fun_ctxt tc_args res_ty , text "e.g. (tagToEnum# x) :: Bool" ] doc2 = text "Result type must be an enumeration type" - mk_error :: TcType -> SDoc -> SDoc + mk_error :: TcType -> SDoc -> TcRnMessage mk_error ty what - = hang (text "Bad call to tagToEnum#" + = TcRnUnknownMessage $ mkPlainError noHints $ + hang (text "Bad call to tagToEnum#" <+> text "at type" <+> ppr ty) 2 what |