diff options
| -rw-r--r-- | lib/stdlib/src/gen_statem.erl | 50 |
1 files changed, 1 insertions, 49 deletions
diff --git a/lib/stdlib/src/gen_statem.erl b/lib/stdlib/src/gen_statem.erl index fa14808f9a..d7e8504564 100644 --- a/lib/stdlib/src/gen_statem.erl +++ b/lib/stdlib/src/gen_statem.erl @@ -1161,19 +1161,6 @@ call_callback_mode(#{module := Module} = S) -> catch CallbackMode -> callback_mode_result(S, CallbackMode); - error:undef -> - %% Process undef to check for the simple mistake - %% of calling a nonexistent state function - %% to make the undef more precise - case erlang:get_stacktrace() of - [{Module,callback_mode,[]=Args,_} - |Stacktrace] -> - {error, - {undef_callback,{Module,callback_mode,Args}}, - Stacktrace}; - Stacktrace -> - {error,undef,Stacktrace} - end; Class:Reason -> {Class,Reason,erlang:get_stacktrace()} end. @@ -1231,7 +1218,7 @@ call_state_function( try case CallbackMode of state_functions -> - erlang:apply(Module, State, [Type,Content,Data]); + Module:State(Type, Content, Data); handle_event_function -> Module:handle_event(Type, Content, State, Data) end @@ -1241,41 +1228,6 @@ call_state_function( catch Result -> {ok,Result,S}; - error:badarg -> - case erlang:get_stacktrace() of - [{erlang,apply, - [Module,State,[Type,Content,Data]=Args], - _} - |Stacktrace] - when CallbackMode =:= state_functions -> - %% We get here e.g if apply fails - %% due to State not being an atom - {error, - {undef_state_function,{Module,State,Args}}, - Stacktrace}; - Stacktrace -> - {error,badarg,Stacktrace} - end; - error:undef -> - %% Process undef to check for the simple mistake - %% of calling a nonexistent state function - %% to make the undef more precise - case erlang:get_stacktrace() of - [{Module,State,[Type,Content,Data]=Args,_} - |Stacktrace] - when CallbackMode =:= state_functions -> - {error, - {undef_state_function,{Module,State,Args}}, - Stacktrace}; - [{Module,handle_event,[Type,Content,State,Data]=Args,_} - |Stacktrace] - when CallbackMode =:= handle_event_function -> - {error, - {undef_state_function,{Module,handle_event,Args}}, - Stacktrace}; - Stacktrace -> - {error,undef,Stacktrace} - end; Class:Reason -> {Class,Reason,erlang:get_stacktrace()} end. |