diff options
Diffstat (limited to 'lib/dialyzer/src/dialyzer_dataflow.erl')
-rw-r--r-- | lib/dialyzer/src/dialyzer_dataflow.erl | 26 |
1 files changed, 18 insertions, 8 deletions
diff --git a/lib/dialyzer/src/dialyzer_dataflow.erl b/lib/dialyzer/src/dialyzer_dataflow.erl index 8367432ac5..ea3523a965 100644 --- a/lib/dialyzer/src/dialyzer_dataflow.erl +++ b/lib/dialyzer/src/dialyzer_dataflow.erl @@ -1235,6 +1235,13 @@ handle_tuple(Tree, Map, State) -> State2 = state__add_warning(State1, ?WARN_OPAQUE, Tree, Msg), {State2, Map1, t_none()}; + {error, record, ErrorPat, ErrorType, _} -> + Msg = {record_match, + [format_patterns(ErrorPat), + format_type(ErrorType, State1)]}, + State2 = state__add_warning(State1, ?WARN_MATCHING, + Tree, Msg), + {State2, Map1, t_none()}; {Map2, ETypes} -> {State1, Map2, t_tuple(ETypes)} end @@ -3116,7 +3123,10 @@ state__add_warning(#state{warnings = Warnings, warning_mode = true} = State, state__remove_added_warnings(OldState, NewState) -> #state{warnings = OldWarnings} = OldState, #state{warnings = NewWarnings} = NewState, - {NewWarnings -- OldWarnings, NewState#state{warnings = OldWarnings}}. + case NewWarnings =:= OldWarnings of + true -> {[], NewState}; + false -> {NewWarnings -- OldWarnings, NewState#state{warnings = OldWarnings}} + end. state__add_warnings(Warns, #state{warnings = Warnings} = State) -> State#state{warnings = Warns ++ Warnings}. @@ -3433,19 +3443,19 @@ state__fun_info(Fun, #state{callgraph = CG, fun_tab = FunTab, plt = PLT}) -> {Fun, Sig, Contract, LocalRet}. forward_args(Fun, ArgTypes, #state{work = Work, fun_tab = FunTab} = State) -> - {OldArgTypes, OldOut, Fixpoint} = + {NewArgTypes, OldOut, Fixpoint} = case dict:find(Fun, FunTab) of - {ok, {not_handled, {OldArgTypes0, OldOut0}}} -> - {OldArgTypes0, OldOut0, false}; + {ok, {not_handled, {_OldArgTypesAreNone, OldOut0}}} -> + {ArgTypes, OldOut0, false}; {ok, {OldArgTypes0, OldOut0}} -> - {OldArgTypes0, OldOut0, - t_is_subtype(t_product(ArgTypes), t_product(OldArgTypes0))} + NewArgTypes0 = [t_sup(X, Y) || + {X, Y} <- lists:zip(ArgTypes, OldArgTypes0)], + {NewArgTypes0, OldOut0, + t_is_equal(t_product(NewArgTypes0), t_product(OldArgTypes0))} end, case Fixpoint of true -> State; false -> - NewArgTypes = [t_sup(X, Y) || - {X, Y} <- lists:zip(ArgTypes, OldArgTypes)], NewWork = add_work(Fun, Work), ?debug("~tw: forwarding args ~ts\n", [state__lookup_name(Fun, State), |