diff options
Diffstat (limited to 'lib/dialyzer/src')
| -rw-r--r-- | lib/dialyzer/src/dialyzer.erl | 7 | ||||
| -rw-r--r-- | lib/dialyzer/src/dialyzer_dataflow.erl | 7 |
2 files changed, 11 insertions, 3 deletions
diff --git a/lib/dialyzer/src/dialyzer.erl b/lib/dialyzer/src/dialyzer.erl index 185c8c9ae6..a168b3c8c5 100644 --- a/lib/dialyzer/src/dialyzer.erl +++ b/lib/dialyzer/src/dialyzer.erl @@ -320,9 +320,12 @@ message_to_string({call_to_missing, [M, F, A]}) -> message_to_string({exact_eq, [Type1, Op, Type2]}) -> io_lib:format("The test ~ts ~s ~ts can never evaluate to 'true'\n", [Type1, Op, Type2]); -message_to_string({fun_app_args, [Args, Type]}) -> +message_to_string({fun_app_args, [ArgNs, Args, Type]}) -> + PositionString = form_position_string(ArgNs), io_lib:format("Fun application with arguments ~ts will fail" - " since the function has type ~ts\n", [Args, Type]); + " since the function has type ~ts," + " which differs in the ~s argument\n", + [Args, Type, PositionString]); message_to_string({fun_app_no_fun, [Op, Type, Arity]}) -> io_lib:format("Fun application will fail since ~ts :: ~ts" " is not a function of arity ~w\n", [Op, Type, Arity]); diff --git a/lib/dialyzer/src/dialyzer_dataflow.erl b/lib/dialyzer/src/dialyzer_dataflow.erl index 45b4abb253..f7aa167f5c 100644 --- a/lib/dialyzer/src/dialyzer_dataflow.erl +++ b/lib/dialyzer/src/dialyzer_dataflow.erl @@ -405,8 +405,13 @@ handle_apply(Tree, Map, State) -> t_fun_args(OpType1, 'universe')), case any_none(NewArgs) of true -> + EnumNewArgs = lists:zip(lists:seq(1, length(NewArgs)), + NewArgs), + ArgNs = [Arg || + {Arg, Type} <- EnumNewArgs, t_is_none(Type)], Msg = {fun_app_args, - [format_args(Args, ArgTypes, State), + [ArgNs, + format_args(Args, ArgTypes, State), format_type(OpType, State)]}, State3 = state__add_warning(State2, ?WARN_FAILING_CALL, Tree, Msg), |