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-rw-r--r--lib/stdlib/src/erl_lint.erl6
-rw-r--r--lib/stdlib/src/erl_parse.yrl2
-rw-r--r--lib/stdlib/src/erl_posix_msg.erl4
-rw-r--r--lib/stdlib/src/gen_fsm.erl154
-rw-r--r--lib/stdlib/src/gen_server.erl53
-rw-r--r--lib/stdlib/src/gen_statem.erl541
-rw-r--r--lib/stdlib/src/maps.erl157
-rw-r--r--lib/stdlib/src/otp_internal.erl14
-rw-r--r--lib/stdlib/src/rand.erl563
-rw-r--r--lib/stdlib/src/stdlib.app.src2
-rw-r--r--lib/stdlib/src/sys.erl150
-rw-r--r--lib/stdlib/src/uri_string.erl23
12 files changed, 1207 insertions, 462 deletions
diff --git a/lib/stdlib/src/erl_lint.erl b/lib/stdlib/src/erl_lint.erl
index e0cd68617b..3ec78a2667 100644
--- a/lib/stdlib/src/erl_lint.erl
+++ b/lib/stdlib/src/erl_lint.erl
@@ -831,13 +831,15 @@ bif_clashes(Forms, #lint{nowarn_bif_clash=Nowarn} = St) ->
%% not_deprecated(Forms, State0) -> State
-not_deprecated(Forms, St0) ->
+not_deprecated(Forms, #lint{compile=Opts}=St0) ->
%% There are no line numbers in St0#lint.compile.
MFAsL = [{MFA,L} ||
{attribute, L, compile, Args} <- Forms,
{nowarn_deprecated_function, MFAs0} <- lists:flatten([Args]),
MFA <- lists:flatten([MFAs0])],
- Nowarn = [MFA || {MFA,_L} <- MFAsL],
+ Nowarn = [MFA ||
+ {nowarn_deprecated_function, MFAs0} <- Opts,
+ MFA <- lists:flatten([MFAs0])],
ML = [{M,L} || {{M,_F,_A},L} <- MFAsL, is_atom(M)],
St1 = foldl(fun ({M,L}, St2) ->
check_module_name(M, L, St2)
diff --git a/lib/stdlib/src/erl_parse.yrl b/lib/stdlib/src/erl_parse.yrl
index 5fa9c4f75c..4ad94f2507 100644
--- a/lib/stdlib/src/erl_parse.yrl
+++ b/lib/stdlib/src/erl_parse.yrl
@@ -841,7 +841,7 @@ Erlang code.
-type af_record_field(T) :: {'record_field', anno(), af_field_name(), T}.
-type af_map_pattern() ::
- {'map', anno(), [af_assoc_exact(abstract_expr)]}.
+ {'map', anno(), [af_assoc_exact(abstract_expr())]}.
-type abstract_type() :: af_annotated_type()
| af_atom()
diff --git a/lib/stdlib/src/erl_posix_msg.erl b/lib/stdlib/src/erl_posix_msg.erl
index 8959fea498..b9ed4a3a9d 100644
--- a/lib/stdlib/src/erl_posix_msg.erl
+++ b/lib/stdlib/src/erl_posix_msg.erl
@@ -81,9 +81,9 @@ message_1(el2hlt) -> <<"level 2 halted">>;
message_1(el2nsync) -> <<"level 2 not synchronized">>;
message_1(el3hlt) -> <<"level 3 halted">>;
message_1(el3rst) -> <<"level 3 reset">>;
-message_1(elibacc) -> <<"can not access a needed shared library">>;
+message_1(elibacc) -> <<"cannot access a needed shared library">>;
message_1(elibbad) -> <<"accessing a corrupted shared library">>;
-message_1(elibexec) -> <<"can not exec a shared library directly">>;
+message_1(elibexec) -> <<"cannot exec a shared library directly">>;
message_1(elibmax) ->
<<"attempting to link in more shared libraries than system limit">>;
message_1(elibscn) -> <<".lib section in a.out corrupted">>;
diff --git a/lib/stdlib/src/gen_fsm.erl b/lib/stdlib/src/gen_fsm.erl
index caaaf8fa2e..1e18710738 100644
--- a/lib/stdlib/src/gen_fsm.erl
+++ b/lib/stdlib/src/gen_fsm.erl
@@ -411,12 +411,13 @@ decode_msg(Msg,Parent, Name, StateName, StateData, Mod, Time, HibernateAfterTime
sys:handle_system_msg(Req, From, Parent, ?MODULE, Debug,
[Name, StateName, StateData, Mod, Time, HibernateAfterTimeout], Hib);
{'EXIT', Parent, Reason} ->
- terminate(Reason, Name, Msg, Mod, StateName, StateData, Debug);
+ terminate(
+ Reason, Name, undefined, Msg, Mod, StateName, StateData, Debug);
_Msg when Debug =:= [] ->
handle_msg(Msg, Parent, Name, StateName, StateData, Mod, Time, HibernateAfterTimeout);
_Msg ->
Debug1 = sys:handle_debug(Debug, fun print_event/3,
- {Name, StateName}, {in, Msg}),
+ Name, {in, Msg, StateName}),
handle_msg(Msg, Parent, Name, StateName, StateData,
Mod, Time, HibernateAfterTimeout, Debug1)
end.
@@ -431,7 +432,7 @@ system_continue(Parent, Debug, [Name, StateName, StateData, Mod, Time, Hibernate
system_terminate(Reason, _Parent, Debug,
[Name, StateName, StateData, Mod, _Time, _HibernateAfterTimeout]) ->
- terminate(Reason, Name, [], Mod, StateName, StateData, Debug).
+ terminate(Reason, Name, undefined, [], Mod, StateName, StateData, Debug).
system_code_change([Name, StateName, StateData, Mod, Time, HibernateAfterTimeout],
_Module, OldVsn, Extra) ->
@@ -452,7 +453,7 @@ system_replace_state(StateFun, [Name, StateName, StateData, Mod, Time, Hibernate
%% Format debug messages. Print them as the call-back module sees
%% them, not as the real erlang messages. Use trace for that.
%%-----------------------------------------------------------------
-print_event(Dev, {in, Msg}, {Name, StateName}) ->
+print_event(Dev, {in, Msg, StateName}, Name) ->
case Msg of
{'$gen_event', Event} ->
io:format(Dev, "*DBG* ~tp got event ~tp in state ~tw~n",
@@ -461,6 +462,16 @@ print_event(Dev, {in, Msg}, {Name, StateName}) ->
io:format(Dev,
"*DBG* ~tp got all_state_event ~tp in state ~tw~n",
[Name, Event, StateName]);
+ {'$gen_sync_event', {From,_Tag}, Event} ->
+ io:format(Dev,
+ "*DBG* ~tp got sync_event ~tp "
+ "from ~tw in state ~tw~n",
+ [Name, Event, From, StateName]);
+ {'$gen_sync_all_state_event', {From,_Tag}, Event} ->
+ io:format(Dev,
+ "*DBG* ~tp got sync_all_state_event ~tp "
+ "from ~tw in state ~tw~n",
+ [Name, Event, From, StateName]);
{timeout, Ref, {'$gen_timer', Message}} ->
io:format(Dev,
"*DBG* ~tp got timer ~tp in state ~tw~n",
@@ -473,11 +484,11 @@ print_event(Dev, {in, Msg}, {Name, StateName}) ->
io:format(Dev, "*DBG* ~tp got ~tp in state ~tw~n",
[Name, Msg, StateName])
end;
-print_event(Dev, {out, Msg, To, StateName}, Name) ->
+print_event(Dev, {out, Msg, {To,_Tag}, StateName}, Name) ->
io:format(Dev, "*DBG* ~tp sent ~tp to ~tw~n"
" and switched to state ~tw~n",
[Name, Msg, To, StateName]);
-print_event(Dev, return, {Name, StateName}) ->
+print_event(Dev, {noreply, StateName}, Name) ->
io:format(Dev, "*DBG* ~tp switched to state ~tw~n",
[Name, StateName]).
@@ -495,9 +506,9 @@ handle_msg(Msg, Parent, Name, StateName, StateData, Mod, _Time, HibernateAfterTi
reply(From, Reply),
loop(Parent, Name, NStateName, NStateData, Mod, Time1, HibernateAfterTimeout, []);
{stop, Reason, NStateData} ->
- terminate(Reason, Name, Msg, Mod, StateName, NStateData, []);
+ terminate(Reason, Name, From, Msg, Mod, StateName, NStateData, []);
{stop, Reason, Reply, NStateData} when From =/= undefined ->
- {'EXIT', R} = (catch terminate(Reason, Name, Msg, Mod,
+ {'EXIT', R} = (catch terminate(Reason, Name, From, Msg, Mod,
StateName, NStateData, [])),
reply(From, Reply),
exit(R);
@@ -510,10 +521,10 @@ handle_msg(Msg, Parent, Name, StateName, StateData, Mod, _Time, HibernateAfterTi
error_logger=>#{tag=>warning_msg}}),
loop(Parent, Name, StateName, StateData, Mod, infinity, HibernateAfterTimeout, []);
{'EXIT', What} ->
- terminate(What, Name, Msg, Mod, StateName, StateData, []);
+ terminate(What, Name, From, Msg, Mod, StateName, StateData, []);
Reply ->
terminate({bad_return_value, Reply},
- Name, Msg, Mod, StateName, StateData, [])
+ Name, From, Msg, Mod, StateName, StateData, [])
end.
handle_msg(Msg, Parent, Name, StateName, StateData, Mod, _Time, HibernateAfterTimeout, Debug) ->
@@ -521,11 +532,11 @@ handle_msg(Msg, Parent, Name, StateName, StateData, Mod, _Time, HibernateAfterTi
case catch dispatch(Msg, Mod, StateName, StateData) of
{next_state, NStateName, NStateData} ->
Debug1 = sys:handle_debug(Debug, fun print_event/3,
- {Name, NStateName}, return),
+ Name, {noreply, NStateName}),
loop(Parent, Name, NStateName, NStateData, Mod, infinity, HibernateAfterTimeout, Debug1);
{next_state, NStateName, NStateData, Time1} ->
Debug1 = sys:handle_debug(Debug, fun print_event/3,
- {Name, NStateName}, return),
+ Name, {noreply, NStateName}),
loop(Parent, Name, NStateName, NStateData, Mod, Time1, HibernateAfterTimeout, Debug1);
{reply, Reply, NStateName, NStateData} when From =/= undefined ->
Debug1 = reply(Name, From, Reply, Debug, NStateName),
@@ -534,17 +545,18 @@ handle_msg(Msg, Parent, Name, StateName, StateData, Mod, _Time, HibernateAfterTi
Debug1 = reply(Name, From, Reply, Debug, NStateName),
loop(Parent, Name, NStateName, NStateData, Mod, Time1, HibernateAfterTimeout, Debug1);
{stop, Reason, NStateData} ->
- terminate(Reason, Name, Msg, Mod, StateName, NStateData, Debug);
+ terminate(
+ Reason, Name, From, Msg, Mod, StateName, NStateData, Debug);
{stop, Reason, Reply, NStateData} when From =/= undefined ->
- {'EXIT', R} = (catch terminate(Reason, Name, Msg, Mod,
+ {'EXIT', R} = (catch terminate(Reason, Name, From, Msg, Mod,
StateName, NStateData, Debug)),
_ = reply(Name, From, Reply, Debug, StateName),
exit(R);
{'EXIT', What} ->
- terminate(What, Name, Msg, Mod, StateName, StateData, Debug);
+ terminate(What, Name, From, Msg, Mod, StateName, StateData, Debug);
Reply ->
terminate({bad_return_value, Reply},
- Name, Msg, Mod, StateName, StateData, Debug)
+ Name, From, Msg, Mod, StateName, StateData, Debug)
end.
dispatch({'$gen_event', Event}, Mod, StateName, StateData) ->
@@ -571,24 +583,25 @@ from(_) -> undefined.
reply({To, Tag}, Reply) ->
catch To ! {Tag, Reply}.
-reply(Name, {To, Tag}, Reply, Debug, StateName) ->
- reply({To, Tag}, Reply),
+reply(Name, From, Reply, Debug, StateName) ->
+ reply(From, Reply),
sys:handle_debug(Debug, fun print_event/3, Name,
- {out, Reply, To, StateName}).
+ {out, Reply, From, StateName}).
%%% ---------------------------------------------------
%%% Terminate the server.
%%% ---------------------------------------------------
--spec terminate(term(), _, _, atom(), _, _, _) -> no_return().
+-spec terminate(term(), _, _, _, atom(), _, _, _) -> no_return().
-terminate(Reason, Name, Msg, Mod, StateName, StateData, Debug) ->
+terminate(Reason, Name, From, Msg, Mod, StateName, StateData, Debug) ->
case erlang:function_exported(Mod, terminate, 3) of
true ->
case catch Mod:terminate(Reason, StateName, StateData) of
{'EXIT', R} ->
FmtStateData = format_status(terminate, Mod, get(), StateData),
- error_info(R, Name, Msg, StateName, FmtStateData, Debug),
+ error_info(
+ R, Name, From, Msg, StateName, FmtStateData, Debug),
exit(R);
_ ->
ok
@@ -605,29 +618,51 @@ terminate(Reason, Name, Msg, Mod, StateName, StateData, Debug) ->
exit(Shutdown);
_ ->
FmtStateData1 = format_status(terminate, Mod, get(), StateData),
- error_info(Reason,Name,Msg,StateName,FmtStateData1,Debug),
+ error_info(
+ Reason, Name, From, Msg, StateName, FmtStateData1, Debug),
exit(Reason)
end.
-error_info(Reason, Name, Msg, StateName, StateData, Debug) ->
+error_info(Reason, Name, From, Msg, StateName, StateData, Debug) ->
+ Log = sys:get_log(Debug),
?LOG_ERROR(#{label=>{gen_fsm,terminate},
name=>Name,
last_message=>Msg,
state_name=>StateName,
state_data=>StateData,
- reason=>Reason},
+ log=>Log,
+ reason=>Reason,
+ client_info=>client_stacktrace(From)},
#{domain=>[otp],
report_cb=>fun gen_fsm:format_log/1,
error_logger=>#{tag=>error}}),
- sys:print_log(Debug),
ok.
+client_stacktrace(undefined) ->
+ undefined;
+client_stacktrace({Pid,_Tag}) ->
+ client_stacktrace(Pid);
+client_stacktrace(Pid) when is_pid(Pid), node(Pid) =:= node() ->
+ case process_info(Pid, [current_stacktrace, registered_name]) of
+ undefined ->
+ {Pid,dead};
+ [{current_stacktrace, Stacktrace}, {registered_name, []}] ->
+ {Pid,{Pid,Stacktrace}};
+ [{current_stacktrace, Stacktrace}, {registered_name, Name}] ->
+ {Pid,{Name,Stacktrace}}
+ end;
+client_stacktrace(Pid) when is_pid(Pid) ->
+ {Pid,remote}.
+
+
format_log(#{label:={gen_fsm,terminate},
name:=Name,
last_message:=Msg,
state_name:=StateName,
state_data:=StateData,
- reason:=Reason}) ->
+ log:=Log,
+ reason:=Reason,
+ client_info:=ClientInfo}) ->
Reason1 =
case Reason of
{undef,[{M,F,A,L}|MFAs]} ->
@@ -645,27 +680,39 @@ format_log(#{label:={gen_fsm,terminate},
_ ->
Reason
end,
+ {ClientFmt,ClientArgs} = format_client_log(ClientInfo),
{"** State machine ~tp terminating \n" ++
get_msg_str(Msg) ++
"** When State == ~tp~n"
"** Data == ~tp~n"
- "** Reason for termination = ~n** ~tp~n",
- [Name, get_msg(Msg), StateName, StateData, Reason1]};
+ "** Reason for termination ==~n** ~tp~n" ++
+ case Log of
+ [] -> [];
+ _ -> "** Log ==~n** ~tp~n"
+ end ++ ClientFmt,
+ [Name|error_logger:limit_term(get_msg(Msg))] ++
+ [StateName,
+ error_logger:limit_term(StateData),
+ error_logger:limit_term(Reason1) |
+ case Log of
+ [] -> [];
+ _ -> [[error_logger:limit_term(D) || D <- Log]]
+ end] ++ ClientArgs};
format_log(#{label:={gen_fsm,no_handle_info},
module:=Mod,
message:=Msg}) ->
{"** Undefined handle_info in ~p~n"
"** Unhandled message: ~tp~n",
- [Mod, Msg]}.
+ [Mod, error_logger:limit_term(Msg)]}.
get_msg_str({'$gen_event', _Event}) ->
"** Last event in was ~tp~n";
-get_msg_str({'$gen_sync_event', _Event}) ->
- "** Last sync event in was ~tp~n";
+get_msg_str({'$gen_sync_event', _From, _Event}) ->
+ "** Last sync event in was ~tp from ~tw~n";
get_msg_str({'$gen_all_state_event', _Event}) ->
"** Last event in was ~tp (for all states)~n";
-get_msg_str({'$gen_sync_all_state_event', _Event}) ->
- "** Last sync event in was ~tp (for all states)~n";
+get_msg_str({'$gen_sync_all_state_event', _From, _Event}) ->
+ "** Last sync event in was ~tp (for all states) from ~tw~n";
get_msg_str({timeout, _Ref, {'$gen_timer', _Msg}}) ->
"** Last timer event in was ~tp~n";
get_msg_str({timeout, _Ref, {'$gen_event', _Msg}}) ->
@@ -673,13 +720,24 @@ get_msg_str({timeout, _Ref, {'$gen_event', _Msg}}) ->
get_msg_str(_Msg) ->
"** Last message in was ~tp~n".
-get_msg({'$gen_event', Event}) -> Event;
-get_msg({'$gen_sync_event', Event}) -> Event;
-get_msg({'$gen_all_state_event', Event}) -> Event;
-get_msg({'$gen_sync_all_state_event', Event}) -> Event;
-get_msg({timeout, Ref, {'$gen_timer', Msg}}) -> {timeout, Ref, Msg};
-get_msg({timeout, _Ref, {'$gen_event', Event}}) -> Event;
-get_msg(Msg) -> Msg.
+get_msg({'$gen_event', Event}) -> [Event];
+get_msg({'$gen_sync_event', {From,_Tag}, Event}) -> [Event,From];
+get_msg({'$gen_all_state_event', Event}) -> [Event];
+get_msg({'$gen_sync_all_state_event', {From,_Tag}, Event}) -> [Event,From];
+get_msg({timeout, Ref, {'$gen_timer', Msg}}) -> [{timeout, Ref, Msg}];
+get_msg({timeout, _Ref, {'$gen_event', Event}}) -> [Event];
+get_msg(Msg) -> [Msg].
+
+format_client_log(undefined) ->
+ {"", []};
+format_client_log({From,dead}) ->
+ {"** Client ~p is dead~n", [From]};
+format_client_log({From,remote}) ->
+ {"** Client ~p is remote on node ~p~n", [From, node(From)]};
+format_client_log({_From,{Name,Stacktrace}}) ->
+ {"** Client ~tp stacktrace~n"
+ "** ~tp~n",
+ [Name, error_logger:limit_term(Stacktrace)]}.
%%-----------------------------------------------------------------
%% Status information
@@ -689,18 +747,18 @@ format_status(Opt, StatusData) ->
StatusData,
Header = gen:format_status_header("Status for state machine",
Name),
- Log = sys:get_debug(log, Debug, []),
- Specfic = format_status(Opt, Mod, PDict, StateData),
- Specfic = case format_status(Opt, Mod, PDict, StateData) of
- S when is_list(S) -> S;
- S -> [S]
- end,
+ Log = sys:get_log(Debug),
+ Specific =
+ case format_status(Opt, Mod, PDict, StateData) of
+ S when is_list(S) -> S;
+ S -> [S]
+ end,
[{header, Header},
{data, [{"Status", SysState},
{"Parent", Parent},
{"Logged events", Log},
{"StateName", StateName}]} |
- Specfic].
+ Specific].
format_status(Opt, Mod, PDict, State) ->
DefStatus = case Opt of
diff --git a/lib/stdlib/src/gen_server.erl b/lib/stdlib/src/gen_server.erl
index 44e9231ebe..c7b6406f54 100644
--- a/lib/stdlib/src/gen_server.erl
+++ b/lib/stdlib/src/gen_server.erl
@@ -773,10 +773,10 @@ handle_common_reply(Reply, Parent, Name, From, Msg, Mod, HibernateAfterTimeout,
terminate({bad_return_value, BadReply}, ?STACKTRACE(), Name, From, Msg, Mod, State, Debug)
end.
-reply(Name, {To, Tag}, Reply, State, Debug) ->
- reply({To, Tag}, Reply),
+reply(Name, From, Reply, State, Debug) ->
+ reply(From, Reply),
sys:handle_debug(Debug, fun print_event/3, Name,
- {out, Reply, To, State} ).
+ {out, Reply, From, State} ).
%%-----------------------------------------------------------------
@@ -810,7 +810,7 @@ system_replace_state(StateFun, [Name, State, Mod, Time, HibernateAfterTimeout])
print_event(Dev, {in, Msg}, Name) ->
case Msg of
{'$gen_call', {From, _Tag}, Call} ->
- io:format(Dev, "*DBG* ~tp got call ~tp from ~w~n",
+ io:format(Dev, "*DBG* ~tp got call ~tp from ~tw~n",
[Name, Call, From]);
{'$gen_cast', Cast} ->
io:format(Dev, "*DBG* ~tp got cast ~tp~n",
@@ -818,8 +818,8 @@ print_event(Dev, {in, Msg}, Name) ->
_ ->
io:format(Dev, "*DBG* ~tp got ~tp~n", [Name, Msg])
end;
-print_event(Dev, {out, Msg, To, State}, Name) ->
- io:format(Dev, "*DBG* ~tp sent ~tp to ~w, new state ~tp~n",
+print_event(Dev, {out, Msg, {To,_Tag}, State}, Name) ->
+ io:format(Dev, "*DBG* ~tp sent ~tp to ~tw, new state ~tp~n",
[Name, Msg, To, State]);
print_event(Dev, {noreply, State}, Name) ->
io:format(Dev, "*DBG* ~tp new state ~tp~n", [Name, State]);
@@ -885,16 +885,17 @@ error_info(_Reason, application_controller, _From, _Msg, _Mod, _State, _Debug) -
%% of it instead
ok;
error_info(Reason, Name, From, Msg, Mod, State, Debug) ->
+ Log = sys:get_log(Debug),
?LOG_ERROR(#{label=>{gen_server,terminate},
name=>Name,
last_message=>Msg,
state=>format_status(terminate, Mod, get(), State),
+ log=>format_log_state(Mod, Log),
reason=>Reason,
client_info=>client_stacktrace(From)},
#{domain=>[otp],
report_cb=>fun gen_server:format_log/1,
error_logger=>#{tag=>error}}),
- sys:print_log(Debug),
ok.
client_stacktrace(undefined) ->
@@ -917,6 +918,7 @@ format_log(#{label:={gen_server,terminate},
name:=Name,
last_message:=Msg,
state:=State,
+ log:=Log,
reason:=Reason,
client_info:=Client}) ->
Reason1 =
@@ -934,20 +936,30 @@ format_log(#{label:={gen_server,terminate},
end
end;
_ ->
- error_logger:limit_term(Reason)
+ Reason
end,
{ClientFmt,ClientArgs} = format_client_log(Client),
+ [LimitedMsg,LimitedState,LimitedReason|LimitedLog] =
+ [error_logger:limit_term(D) || D <- [Msg,State,Reason1|Log]],
{"** Generic server ~tp terminating \n"
"** Last message in was ~tp~n"
"** When Server state == ~tp~n"
- "** Reason for termination == ~n** ~tp~n" ++ ClientFmt,
- [Name, Msg, error_logger:limit_term(State), Reason1] ++ ClientArgs};
+ "** Reason for termination ==~n** ~tp~n" ++
+ case LimitedLog of
+ [] -> [];
+ _ -> "** Log ==~n** ~tp~n"
+ end ++ ClientFmt,
+ [Name, LimitedMsg, LimitedState, LimitedReason] ++
+ case LimitedLog of
+ [] -> [];
+ _ -> [LimitedLog]
+ end ++ ClientArgs};
format_log(#{label:={gen_server,no_handle_info},
module:=Mod,
message:=Msg}) ->
{"** Undefined handle_info in ~p~n"
"** Unhandled message: ~tp~n",
- [Mod, Msg]}.
+ [Mod, error_logger:limit_term(Msg)]}.
format_client_log(undefined) ->
{"", []};
@@ -958,7 +970,7 @@ format_client_log({From,remote}) ->
format_client_log({_From,{Name,Stacktrace}}) ->
{"** Client ~tp stacktrace~n"
"** ~tp~n",
- [Name, Stacktrace]}.
+ [Name, error_logger:limit_term(Stacktrace)]}.
%%-----------------------------------------------------------------
%% Status information
@@ -966,16 +978,25 @@ format_client_log({_From,{Name,Stacktrace}}) ->
format_status(Opt, StatusData) ->
[PDict, SysState, Parent, Debug, [Name, State, Mod, _Time, _HibernateAfterTimeout]] = StatusData,
Header = gen:format_status_header("Status for generic server", Name),
- Log = sys:get_debug(log, Debug, []),
- Specfic = case format_status(Opt, Mod, PDict, State) of
+ Log = sys:get_log(Debug),
+ Specific = case format_status(Opt, Mod, PDict, State) of
S when is_list(S) -> S;
S -> [S]
end,
[{header, Header},
{data, [{"Status", SysState},
{"Parent", Parent},
- {"Logged events", Log}]} |
- Specfic].
+ {"Logged events", format_log_state(Mod, Log)}]} |
+ Specific].
+
+format_log_state(Mod, Log) ->
+ [case Event of
+ {out,Msg,From,State} ->
+ {out,Msg,From,format_status(terminate, Mod, get(), State)};
+ {noreply,State} ->
+ {noreply,format_status(terminate, Mod, get(), State)};
+ _ -> Event
+ end || Event <- Log].
format_status(Opt, Mod, PDict, State) ->
DefStatus = case Opt of
diff --git a/lib/stdlib/src/gen_statem.erl b/lib/stdlib/src/gen_statem.erl
index faa43fbc1e..6f1f6a0228 100644
--- a/lib/stdlib/src/gen_statem.erl
+++ b/lib/stdlib/src/gen_statem.erl
@@ -330,6 +330,7 @@
%% Type validation functions
+%% - return true if the value is of the type, false otherwise
-compile(
{inline,
[callback_mode/1, state_enter/1,
@@ -585,7 +586,12 @@ enter_loop(Module, Opts, State, Data, Server_or_Actions) ->
enter_loop(Module, Opts, State, Data, Server, Actions) ->
is_atom(Module) orelse error({atom,Module}),
Parent = gen:get_parent(),
- enter(Module, Opts, State, Data, Server, Actions, Parent).
+ Name = gen:get_proc_name(Server),
+ Debug = gen:debug_options(Name, Opts),
+ HibernateAfterTimeout = gen:hibernate_after(Opts),
+ enter(
+ Parent, Debug, Module, Name, HibernateAfterTimeout,
+ State, Data, Actions).
%%---------------------------------------------------------------------------
%% API helpers
@@ -657,11 +663,10 @@ send(Proc, Msg) ->
ok.
%% Here the init_it/6 and enter_loop/5,6,7 functions converge
-enter(Module, Opts, State, Data, Server, Actions, Parent) ->
+enter(
+ Parent, Debug, Module, Name, HibernateAfterTimeout,
+ State, Data, Actions) ->
%% The values should already have been type checked
- Name = gen:get_proc_name(Server),
- Debug = gen:debug_options(Name, Opts),
- HibernateAfterTimeout = gen:hibernate_after(Opts),
Events = [],
Event = {internal,init_state},
%% We enforce {postpone,false} to ensure that
@@ -675,7 +680,7 @@ enter(Module, Opts, State, Data, Server, Actions, Parent) ->
data = Data,
hibernate_after = HibernateAfterTimeout},
CallEnter = true,
- NewDebug = ?sys_debug(Debug, {Name,State}, {enter,Event,State}),
+ NewDebug = ?sys_debug(Debug, Name, {enter,State}),
case call_callback_mode(S) of
#state{} = NewS ->
loop_event_actions_list(
@@ -694,18 +699,24 @@ enter(Module, Opts, State, Data, Server, Actions, Parent) ->
init_it(Starter, self, ServerRef, Module, Args, Opts) ->
init_it(Starter, self(), ServerRef, Module, Args, Opts);
init_it(Starter, Parent, ServerRef, Module, Args, Opts) ->
+ Name = gen:get_proc_name(ServerRef),
+ Debug = gen:debug_options(Name, Opts),
+ HibernateAfterTimeout = gen:hibernate_after(Opts),
try Module:init(Args) of
Result ->
- init_result(Starter, Parent, ServerRef, Module, Result, Opts)
+ init_result(
+ Starter, Parent, ServerRef, Module, Result,
+ Name, Debug, HibernateAfterTimeout)
catch
Result ->
- init_result(Starter, Parent, ServerRef, Module, Result, Opts);
+ init_result(
+ Starter, Parent, ServerRef, Module, Result,
+ Name, Debug, HibernateAfterTimeout);
Class:Reason:Stacktrace ->
- Name = gen:get_proc_name(ServerRef),
gen:unregister_name(ServerRef),
proc_lib:init_ack(Starter, {error,Reason}),
error_info(
- Class, Reason, Stacktrace,
+ Class, Reason, Stacktrace, Debug,
#state{name = Name},
[]),
erlang:raise(Class, Reason, Stacktrace)
@@ -714,14 +725,20 @@ init_it(Starter, Parent, ServerRef, Module, Args, Opts) ->
%%---------------------------------------------------------------------------
%% gen callbacks helpers
-init_result(Starter, Parent, ServerRef, Module, Result, Opts) ->
+init_result(
+ Starter, Parent, ServerRef, Module, Result,
+ Name, Debug, HibernateAfterTimeout) ->
case Result of
{ok,State,Data} ->
proc_lib:init_ack(Starter, {ok,self()}),
- enter(Module, Opts, State, Data, ServerRef, [], Parent);
+ enter(
+ Parent, Debug, Module, Name, HibernateAfterTimeout,
+ State, Data, []);
{ok,State,Data,Actions} ->
proc_lib:init_ack(Starter, {ok,self()}),
- enter(Module, Opts, State, Data, ServerRef, Actions, Parent);
+ enter(
+ Parent, Debug, Module, Name, HibernateAfterTimeout,
+ State, Data, Actions);
{stop,Reason} ->
gen:unregister_name(ServerRef),
proc_lib:init_ack(Starter, {error,Reason}),
@@ -731,12 +748,11 @@ init_result(Starter, Parent, ServerRef, Module, Result, Opts) ->
proc_lib:init_ack(Starter, ignore),
exit(normal);
_ ->
- Name = gen:get_proc_name(ServerRef),
gen:unregister_name(ServerRef),
Error = {bad_return_from_init,Result},
proc_lib:init_ack(Starter, {error,Error}),
error_info(
- error, Error, ?STACKTRACE(),
+ error, Error, ?STACKTRACE(), Debug,
#state{name = Name},
[]),
exit(Error)
@@ -791,7 +807,7 @@ format_status(
[PDict,SysState,Parent,Debug,
#state{name = Name, postponed = P} = S]) ->
Header = gen:format_status_header("Status for state machine", Name),
- Log = sys:get_debug(log, Debug, []),
+ Log = sys:get_log(Debug),
[{header,Header},
{data,
[{"Status",SysState},
@@ -811,34 +827,46 @@ format_status(
sys_debug(Debug, NameState, Entry) ->
sys:handle_debug(Debug, fun print_event/3, NameState, Entry).
-print_event(Dev, {in,Event}, {Name,State}) ->
- io:format(
- Dev, "*DBG* ~tp receive ~ts in state ~tp~n",
- [Name,event_string(Event),State]);
-print_event(Dev, {out,Reply,{To,_Tag}}, {Name,State}) ->
- io:format(
- Dev, "*DBG* ~tp send ~tp to ~p from state ~tp~n",
- [Name,Reply,To,State]);
-print_event(Dev, {terminate,Reason}, {Name,State}) ->
- io:format(
- Dev, "*DBG* ~tp terminate ~tp in state ~tp~n",
- [Name,Reason,State]);
-print_event(Dev, {Tag,Event,NextState}, {Name,State}) ->
- StateString =
- case NextState of
- State ->
- io_lib:format("~tp", [State]);
- _ ->
- io_lib:format("~tp => ~tp", [State,NextState])
- end,
- io:format(
- Dev, "*DBG* ~tp ~tw ~ts in state ~ts~n",
- [Name,Tag,event_string(Event),StateString]).
+print_event(Dev, SystemEvent, Name) ->
+ case SystemEvent of
+ {in,Event,State} ->
+ io:format(
+ Dev, "*DBG* ~tp receive ~ts in state ~tp~n",
+ [Name,event_string(Event),State]);
+ {code_change,Event,State} ->
+ io:format(
+ Dev, "*DBG* ~tp receive ~ts after code change in state ~tp~n",
+ [Name,event_string(Event),State]);
+ {out,Reply,{To,_Tag}} ->
+ io:format(
+ Dev, "*DBG* ~tp send ~tp to ~tw~n",
+ [Name,Reply,To]);
+ {enter,State} ->
+ io:format(
+ Dev, "*DBG* ~tp enter in state ~tp~n",
+ [Name,State]);
+ {terminate,Reason,State} ->
+ io:format(
+ Dev, "*DBG* ~tp terminate ~tp in state ~tp~n",
+ [Name,Reason,State]);
+ {Tag,Event,State,NextState}
+ when Tag =:= postpone; Tag =:= consume ->
+ StateString =
+ case NextState of
+ State ->
+ io_lib:format("~tp", [State]);
+ _ ->
+ io_lib:format("~tp => ~tp", [State,NextState])
+ end,
+ io:format(
+ Dev, "*DBG* ~tp ~tw ~ts in state ~ts~n",
+ [Name,Tag,event_string(Event),StateString])
+ end.
event_string(Event) ->
case Event of
{{call,{Pid,_Tag}},Request} ->
- io_lib:format("call ~tp from ~w", [Request,Pid]);
+ io_lib:format("call ~tp from ~tw", [Request,Pid]);
{EventType,EventContent} ->
io_lib:format("~tw ~tp", [EventType,EventContent])
end.
@@ -980,7 +1008,14 @@ loop_receive_result(Parent, ?not_sys_debug, S, Type, Content) ->
loop_event(Parent, ?not_sys_debug, S, Events, Type, Content);
loop_receive_result(
Parent, Debug, #state{name = Name, state = State} = S, Type, Content) ->
- NewDebug = sys_debug(Debug, {Name,State}, {in,{Type,Content}}),
+ Event = {Type,Content},
+ NewDebug =
+ case S#state.callback_mode of
+ undefined ->
+ sys_debug(Debug, Name, {code_change,Event,State});
+ _ ->
+ sys_debug(Debug, Name, {in,Event,State})
+ end,
%% Here is the queue of not yet handled events created
Events = [],
loop_event(Parent, NewDebug, S, Events, Type, Content).
@@ -1277,7 +1312,7 @@ parse_actions(StateCall, Debug, S, [Action|Actions], TransOpts) ->
end.
parse_actions_reply(
- StateCall, ?not_sys_debug, S, Actions, TransOpts,
+ StateCall, ?not_sys_debug = Debug, S, Actions, TransOpts,
From, Reply) ->
%%
case from(From) of
@@ -1287,27 +1322,25 @@ parse_actions_reply(
false ->
[error,
{bad_action_from_state_function,{reply,From,Reply}},
- ?STACKTRACE(),
- ?not_sys_debug]
+ ?STACKTRACE(), Debug]
end;
parse_actions_reply(
- StateCall, Debug, #state{name = Name, state = State} = S,
+ StateCall, Debug, #state{name = Name} = S,
Actions, TransOpts, From, Reply) ->
%%
case from(From) of
true ->
reply(From, Reply),
- NewDebug = sys_debug(Debug, {Name,State}, {out,Reply,From}),
+ NewDebug = sys_debug(Debug, Name, {out,Reply,From}),
parse_actions(StateCall, NewDebug, S, Actions, TransOpts);
false ->
[error,
{bad_action_from_state_function,{reply,From,Reply}},
- ?STACKTRACE(),
- Debug]
+ ?STACKTRACE(), Debug]
end.
parse_actions_next_event(
- StateCall, ?not_sys_debug, S,
+ StateCall, ?not_sys_debug = Debug, S,
Actions, TransOpts, Type, Content) ->
case event_type(Type) of
true when StateCall ->
@@ -1320,15 +1353,14 @@ parse_actions_next_event(
[error,
{bad_state_enter_action_from_state_function,
{next_event,Type,Content}},
- ?STACKTRACE(),
- ?not_sys_debug]
+ ?STACKTRACE(), Debug]
end;
parse_actions_next_event(
StateCall, Debug, #state{name = Name, state = State} = S,
Actions, TransOpts, Type, Content) ->
case event_type(Type) of
true when StateCall ->
- NewDebug = sys_debug(Debug, {Name,State}, {in,{Type,Content}}),
+ NewDebug = sys_debug(Debug, Name, {in,{Type,Content},State}),
NextEventsR = TransOpts#trans_opts.next_events_r,
parse_actions(
StateCall, NewDebug, S, Actions,
@@ -1403,13 +1435,13 @@ parse_actions_timeout_add(
loop_event_done(
Parent, ?not_sys_debug,
#state{postponed = P} = S,
+%% #state{postponed = will_not_happen = P} = S,
Events, Event, NextState, NewData,
#trans_opts{
postpone = Postpone, hibernate = Hibernate,
- timeouts_r = [], next_events_r = []}) ->
+ timeouts_r = [], next_events_r = NextEventsR}) ->
%%
- %% Optimize the simple cases
- %% i.e no timer changes, no inserted events and no debug,
+ %% Optimize the simple cases i.e no debug and no timer changes,
%% by duplicate stripped down code
%%
%% Fast path
@@ -1417,14 +1449,12 @@ loop_event_done(
case Postpone of
true ->
loop_event_done_fast(
- Parent, Hibernate,
- S,
- Events, [Event|P], NextState, NewData);
+ Parent, Hibernate, S,
+ Events, [Event|P], NextState, NewData, NextEventsR);
false ->
loop_event_done_fast(
- Parent, Hibernate,
- S,
- Events, P, NextState, NewData)
+ Parent, Hibernate, S,
+ Events, P, NextState, NewData, NextEventsR)
end;
loop_event_done(
Parent, Debug_0,
@@ -1447,44 +1477,43 @@ loop_event_done(
true ->
[?sys_debug(
Debug_0,
- {S#state.name,State},
- {postpone,Event_0,NextState}),
+ S#state.name,
+ {postpone,Event_0,State,NextState}),
Event_0|P_0];
false ->
[?sys_debug(
Debug_0,
- {S#state.name,State},
- {consume,Event_0,NextState})|P_0]
+ S#state.name,
+ {consume,Event_0,State,NextState})|P_0]
end,
- {Events_2,P_2,Timers_2} =
- %% Move all postponed events to queue,
- %% cancel the event timer,
- %% and cancel the state timeout if the state changes
- if
- NextState =:= State ->
- {Events_0,P_1,
+ {Events_2,P_2,
+ Timers_2} =
+ %% Cancel the event timeout
+ if
+ NextState =:= State ->
+ {Events_0,P_1,
cancel_timer_by_type(
timeout, {TimerTypes_0,CancelTimers_0})};
- true ->
- {lists:reverse(P_1, Events_0),
- [],
- cancel_timer_by_type(
- state_timeout,
+ true ->
+ %% Move all postponed events to queue
+ %% and cancel the state timeout
+ {lists:reverse(P_1, Events_0),[],
+ cancel_timer_by_type(
+ state_timeout,
cancel_timer_by_type(
timeout, {TimerTypes_0,CancelTimers_0}))}
- %% The state timer is removed from TimerTypes
- %% but remains in TimerRefs until we get
- %% the cancel_timer msg
- end,
+ end,
{TimerRefs_3,{TimerTypes_3,CancelTimers_3},TimeoutEvents} =
%% Stop and start timers
parse_timers(TimerRefs_0, Timers_2, TimeoutsR),
%% Place next events last in reversed queue
Events_3R = lists:reverse(Events_2, NextEventsR),
%% Enqueue immediate timeout events
- Events_4R = prepend_timeout_events(TimeoutEvents, Events_3R),
+ [Debug_2|Events_4R] =
+ prepend_timeout_events(
+ NextState, Debug_1, S, TimeoutEvents, Events_3R),
loop_event_done(
- Parent, Debug_1,
+ Parent, Debug_2,
S#state{
state = NextState,
data = NewData,
@@ -1495,114 +1524,144 @@ loop_event_done(
hibernate = Hibernate},
lists:reverse(Events_4R)).
+loop_event_done(Parent, Debug, S, Q) ->
+%% io:format(
+%% "loop_event_done:~n"
+%% " state = ~p, data = ~p, postponed = ~p~n "
+%% " timer_refs = ~p, timer_types = ~p, cancel_timers = ~p.~n"
+%% " Q = ~p.~n",
+%% [S#state.state,S#state.data,S#state.postponed,
+%% S#state.timer_refs,S#state.timer_types,S#state.cancel_timers,
+%% Q]),
+ case Q of
+ [] ->
+ %% Get a new event
+ loop(Parent, Debug, S);
+ [{Type,Content}|Events] ->
+ %% Loop until out of enqueued events
+ loop_event(Parent, Debug, S, Events, Type, Content)
+ end.
+
+
%% Fast path
%%
+%% Cancel event timer and state timer only if running
loop_event_done_fast(
Parent, Hibernate,
#state{
state = NextState,
- timer_types = #{timeout := _} = TimerTypes,
+ timer_types = TimerTypes,
cancel_timers = CancelTimers} = S,
- Events, P, NextState, NewData) ->
- %%
- %% Same state, event timeout active
- %%
- loop_event_done_fast(
- Parent, Hibernate, S,
- Events, P, NextState, NewData,
- cancel_timer_by_type(
- timeout, {TimerTypes,CancelTimers}));
-loop_event_done_fast(
- Parent, Hibernate,
- #state{state = NextState} = S,
- Events, P, NextState, NewData) ->
- %%
+ Events, P, NextState, NewData, NextEventsR) ->
%% Same state
- %%
- loop_event_done(
- Parent, ?not_sys_debug,
- S#state{
- data = NewData,
- postponed = P,
- hibernate = Hibernate},
- Events);
-loop_event_done_fast(
- Parent, Hibernate,
- #state{
- timer_types = #{timeout := _} = TimerTypes,
- cancel_timers = CancelTimers} = S,
- Events, P, NextState, NewData) ->
- %%
- %% State change, event timeout active
- %%
- loop_event_done_fast(
- Parent, Hibernate, S,
- lists:reverse(P, Events), [], NextState, NewData,
- cancel_timer_by_type(
- state_timeout,
- cancel_timer_by_type(
- timeout, {TimerTypes,CancelTimers})));
+ case TimerTypes of
+ #{timeout := _} ->
+ %% Event timeout active
+ loop_event_done_fast_2(
+ Parent, Hibernate, S,
+ Events, P, NextState, NewData, NextEventsR,
+ cancel_timer_by_type(
+ timeout, {TimerTypes,CancelTimers}));
+ _ ->
+ %% No event timeout active
+ loop_event_done_fast_2(
+ Parent, Hibernate, S,
+ Events, P, NextState, NewData, NextEventsR,
+ {TimerTypes,CancelTimers})
+ end;
loop_event_done_fast(
Parent, Hibernate,
#state{
- timer_types = #{state_timeout := _} = TimerTypes,
+ timer_types = TimerTypes,
cancel_timers = CancelTimers} = S,
- Events, P, NextState, NewData) ->
- %%
- %% State change, state timeout active
- %%
- loop_event_done_fast(
- Parent, Hibernate, S,
- lists:reverse(P, Events), [], NextState, NewData,
- cancel_timer_by_type(
- state_timeout,
- cancel_timer_by_type(
- timeout, {TimerTypes,CancelTimers})));
+ Events, P, NextState, NewData, NextEventsR) ->
+ %% State change
+ case TimerTypes of
+ #{timeout := _} ->
+ %% Event timeout active
+ %% - cancel state_timeout too since it is faster than inspecting
+ loop_event_done_fast(
+ Parent, Hibernate, S,
+ Events, P, NextState, NewData, NextEventsR,
+ cancel_timer_by_type(
+ state_timeout,
+ cancel_timer_by_type(
+ timeout, {TimerTypes,CancelTimers})));
+ #{state_timeout := _} ->
+ %% State_timeout active but not event timeout
+ loop_event_done_fast(
+ Parent, Hibernate, S,
+ Events, P, NextState, NewData, NextEventsR,
+ cancel_timer_by_type(
+ state_timeout, {TimerTypes,CancelTimers}));
+ _ ->
+ %% No event nor state_timeout active
+ loop_event_done_fast(
+ Parent, Hibernate, S,
+ Events, P, NextState, NewData, NextEventsR,
+ {TimerTypes,CancelTimers})
+ end.
+%%
+%% Retry postponed events
loop_event_done_fast(
- Parent, Hibernate,
- #state{} = S,
- Events, P, NextState, NewData) ->
- %%
- %% State change, no timeout to automatically cancel
- %%
- loop_event_done(
- Parent, ?not_sys_debug,
- S#state{
- state = NextState,
- data = NewData,
- postponed = [],
- hibernate = Hibernate},
- lists:reverse(P, Events)).
+ Parent, Hibernate, S,
+ Events, P, NextState, NewData, NextEventsR, TimerTypes_CancelTimers) ->
+ case P of
+ %% Handle 0..2 postponed events without list reversal since
+ %% that will move out all live registers and back again
+ [] ->
+ loop_event_done_fast_2(
+ Parent, Hibernate, S,
+ Events, [], NextState, NewData, NextEventsR,
+ TimerTypes_CancelTimers);
+ [E] ->
+ loop_event_done_fast_2(
+ Parent, Hibernate, S,
+ [E|Events], [], NextState, NewData, NextEventsR,
+ TimerTypes_CancelTimers);
+ [E1,E2] ->
+ loop_event_done_fast_2(
+ Parent, Hibernate, S,
+ [E2,E1|Events], [], NextState, NewData, NextEventsR,
+ TimerTypes_CancelTimers);
+ _ ->
+ %% A bit slower path
+ loop_event_done_fast_2(
+ Parent, Hibernate, S,
+ lists:reverse(P, Events), [], NextState, NewData, NextEventsR,
+ TimerTypes_CancelTimers)
+ end.
%%
%% Fast path
%%
-loop_event_done_fast(
+loop_event_done_fast_2(
Parent, Hibernate, S,
- Events, P, NextState, NewData,
+ Events, P, NextState, NewData, NextEventsR,
{TimerTypes,CancelTimers}) ->
%%
- loop_event_done(
- Parent, ?not_sys_debug,
- S#state{
- state = NextState,
- data = NewData,
- postponed = P,
- timer_types = TimerTypes,
- cancel_timers = CancelTimers,
- hibernate = Hibernate},
- Events).
-
-loop_event_done(Parent, Debug, S, Q) ->
- case Q of
+ NewS =
+ S#state{
+ state = NextState,
+ data = NewData,
+ postponed = P,
+ timer_types = TimerTypes,
+ cancel_timers = CancelTimers,
+ hibernate = Hibernate},
+ case NextEventsR of
+ %% Handle 0..2 next events without list reversal since
+ %% that will move out all live registers and back again
[] ->
- %% Get a new event
- loop(Parent, Debug, S);
- [{Type,Content}|Events] ->
- %% Loop until out of enqueued events
- loop_event(Parent, Debug, S, Events, Type, Content)
+ loop_event_done(Parent, ?not_sys_debug, NewS, Events);
+ [E] ->
+ loop_event_done(Parent, ?not_sys_debug, NewS, [E|Events]);
+ [E2,E1] ->
+ loop_event_done(Parent, ?not_sys_debug, NewS, [E1,E2|Events]);
+ _ ->
+ %% A bit slower path
+ loop_event_done(
+ Parent, ?not_sys_debug, NewS, lists:reverse(NextEventsR, Events))
end.
-
%%---------------------------------------------------------------------------
%% Server loop helpers
@@ -1791,22 +1850,31 @@ parse_timers(
%% so if there are enqueued events before the event timer
%% timeout 0 event - the event timer is cancelled hence no event.
%%
-%% Other (state_timeout) timeout 0 events that are after
-%% the event timer timeout 0 events are considered to
+%% Other (state_timeout and {timeout,Name}) timeout 0 events
+%% that are after an event timer timeout 0 event are considered to
%% belong to timers that were started after the event timer
%% timeout 0 event fired, so they do not cancel the event timer.
%%
-prepend_timeout_events([], EventsR) ->
- EventsR;
-prepend_timeout_events([{timeout,_} = TimeoutEvent|TimeoutEvents], []) ->
- prepend_timeout_events(TimeoutEvents, [TimeoutEvent]);
-prepend_timeout_events([{timeout,_}|TimeoutEvents], EventsR) ->
+prepend_timeout_events(_NextState, Debug, _S, [], EventsR) ->
+ [Debug|EventsR];
+prepend_timeout_events(
+ NextState, Debug, S, [{timeout,_} = TimeoutEvent|TimeoutEvents], []) ->
+ prepend_timeout_events(
+ NextState,
+ sys_debug(Debug, S#state.name, {in,TimeoutEvent,NextState}),
+ S, TimeoutEvents, [TimeoutEvent]);
+prepend_timeout_events(
+ NextState, Debug, S, [{timeout,_}|TimeoutEvents], EventsR) ->
%% Ignore since there are other events in queue
%% so they have cancelled the event timeout 0.
- prepend_timeout_events(TimeoutEvents, EventsR);
-prepend_timeout_events([TimeoutEvent|TimeoutEvents], EventsR) ->
+ prepend_timeout_events(NextState, Debug, S, TimeoutEvents, EventsR);
+prepend_timeout_events(
+ NextState, Debug, S, [TimeoutEvent|TimeoutEvents], EventsR) ->
%% Just prepend all others
- prepend_timeout_events(TimeoutEvents, [TimeoutEvent|EventsR]).
+ prepend_timeout_events(
+ NextState,
+ sys_debug(Debug, S#state.name, {in,TimeoutEvent,NextState}),
+ S, TimeoutEvents, [TimeoutEvent|EventsR]).
@@ -1823,18 +1891,24 @@ do_reply_then_terminate(
do_reply_then_terminate(
Class, Reason, Stacktrace, Debug, S, Q, [R|Rs]) ->
case R of
- {reply,{_To,_Tag}=From,Reply} ->
- reply(From, Reply),
- NewDebug =
- ?sys_debug(
- Debug,
- begin
- #state{name = Name, state = State} = S,
- {Name,State}
- end,
- {out,Reply,From}),
- do_reply_then_terminate(
- Class, Reason, Stacktrace, NewDebug, S, Q, Rs);
+ {reply,From,Reply} ->
+ case from(From) of
+ true ->
+ reply(From, Reply),
+ NewDebug =
+ ?sys_debug(
+ Debug,
+ S#state.name,
+ {out,Reply,From}),
+ do_reply_then_terminate(
+ Class, Reason, Stacktrace, NewDebug, S, Q, Rs);
+ false ->
+ terminate(
+ error,
+ {bad_reply_action_from_state_function,R},
+ ?STACKTRACE(),
+ Debug, S, Q)
+ end;
_ ->
terminate(
error,
@@ -1854,8 +1928,7 @@ terminate(
catch
_ -> ok;
C:R:ST ->
- error_info(C, R, ST, S, Q),
- sys:print_log(Debug),
+ error_info(C, R, ST, Debug, S, Q),
erlang:raise(C, R, ST)
end;
false ->
@@ -1870,8 +1943,7 @@ terminate(
{shutdown,_} ->
terminate_sys_debug(Debug, S, State, Reason);
_ ->
- error_info(Class, Reason, Stacktrace, S, Q),
- sys:print_log(Debug)
+ error_info(Class, Reason, Stacktrace, Debug, S, Q)
end,
case Stacktrace of
[] ->
@@ -1881,17 +1953,18 @@ terminate(
end.
terminate_sys_debug(Debug, S, State, Reason) ->
- ?sys_debug(Debug, {S#state.name,State}, {terminate,Reason}).
+ ?sys_debug(Debug, S#state.name, {terminate,Reason,State}).
error_info(
- Class, Reason, Stacktrace,
+ Class, Reason, Stacktrace, Debug,
#state{
name = Name,
callback_mode = CallbackMode,
state_enter = StateEnter,
postponed = P} = S,
Q) ->
+ Log = sys:get_log(Debug),
?LOG_ERROR(#{label=>{gen_statem,terminate},
name=>Name,
queue=>Q,
@@ -1899,11 +1972,37 @@ error_info(
callback_mode=>CallbackMode,
state_enter=>StateEnter,
state=>format_status(terminate, get(), S),
- reason=>{Class,Reason,Stacktrace}},
+ log=>Log,
+ reason=>{Class,Reason,Stacktrace},
+ client_info=>client_stacktrace(Q)},
#{domain=>[otp],
report_cb=>fun gen_statem:format_log/1,
error_logger=>#{tag=>error}}).
+client_stacktrace([]) ->
+ undefined;
+client_stacktrace([{{call,{Pid,_Tag}},_Req}|_]) when is_pid(Pid) ->
+ if
+ node(Pid) =:= node() ->
+ case
+ process_info(Pid, [current_stacktrace, registered_name])
+ of
+ undefined ->
+ {Pid,dead};
+ [{current_stacktrace, Stacktrace},
+ {registered_name, []}] ->
+ {Pid,{Pid,Stacktrace}};
+ [{current_stacktrace, Stacktrace},
+ {registered_name, Name}] ->
+ {Pid,{Name,Stacktrace}}
+ end;
+ true ->
+ {Pid,remote}
+ end;
+client_stacktrace([_|_]) ->
+ undefined.
+
+
format_log(#{label:={gen_statem,terminate},
name:=Name,
queue:=Q,
@@ -1911,7 +2010,9 @@ format_log(#{label:={gen_statem,terminate},
callback_mode:=CallbackMode,
state_enter:=StateEnter,
state:=FmtData,
- reason:={Class,Reason,Stacktrace}}) ->
+ log:=Log,
+ reason:={Class,Reason,Stacktrace},
+ client_info:=ClientInfo}) ->
{FixedReason,FixedStacktrace} =
case Stacktrace of
[{M,F,Args,_}|ST]
@@ -1931,14 +2032,12 @@ format_log(#{label:={gen_statem,terminate},
true ->
{Reason,Stacktrace};
false ->
- {{'function not exported',{M,F,Arity}},
- ST}
+ {{'function not exported',{M,F,Arity}},ST}
end
end;
_ -> {Reason,Stacktrace}
end,
- [LimitedP, LimitedFmtData, LimitedFixedReason] =
- [error_logger:limit_term(D) || D <- [P, FmtData, FixedReason]],
+ {ClientFmt,ClientArgs} = format_client_log(ClientInfo),
CBMode =
case StateEnter of
true ->
@@ -1965,27 +2064,47 @@ format_log(#{label:={gen_statem,terminate},
case FixedStacktrace of
[] -> "";
_ -> "** Stacktrace =~n** ~tp~n"
- end,
+ end ++
+ case Log of
+ [] -> "";
+ _ -> "** Log =~n** ~tp~n"
+ end ++ ClientFmt,
[Name |
case Q of
[] -> [];
- [Event|_] -> [Event]
+ [Event|_] -> [error_logger:limit_term(Event)]
end] ++
- [LimitedFmtData,
- Class,LimitedFixedReason,
+ [error_logger:limit_term(FmtData),
+ Class,error_logger:limit_term(FixedReason),
CBMode] ++
case Q of
- [_|[_|_] = Events] -> [Events];
+ [_|[_|_] = Events] -> [error_logger:limit_term(Events)];
_ -> []
end ++
case P of
[] -> [];
- _ -> [LimitedP]
+ _ -> [error_logger:limit_term(P)]
end ++
case FixedStacktrace of
[] -> [];
- _ -> [FixedStacktrace]
- end}.
+ _ -> [error_logger:limit_term(FixedStacktrace)]
+ end ++
+ case Log of
+ [] -> [];
+ _ -> [[error_logger:limit_term(T) || T <- Log]]
+ end ++ ClientArgs}.
+
+format_client_log(undefined) ->
+ {"", []};
+format_client_log({Pid,dead}) ->
+ {"** Client ~p is dead~n", [Pid]};
+format_client_log({Pid,remote}) ->
+ {"** Client ~p is remote on node ~p~n", [Pid, node(Pid)]};
+format_client_log({_Pid,{Name,Stacktrace}}) ->
+ {"** Client ~tp stacktrace~n"
+ "** ~tp~n",
+ [Name, error_logger:limit_term(Stacktrace)]}.
+
%% Call Module:format_status/2 or return a default value
format_status(
diff --git a/lib/stdlib/src/maps.erl b/lib/stdlib/src/maps.erl
index 60463feec2..51965ddb57 100644
--- a/lib/stdlib/src/maps.erl
+++ b/lib/stdlib/src/maps.erl
@@ -21,7 +21,7 @@
-module(maps).
-export([get/3, filter/2,fold/3,
- map/2, size/1,
+ map/2, size/1, new/0,
update_with/3, update_with/4,
without/2, with/2,
iterator/1, next/1]).
@@ -29,13 +29,15 @@
%% BIFs
-export([get/2, find/2, from_list/1,
is_key/2, keys/1, merge/2,
- new/0, put/3, remove/2, take/2,
+ put/3, remove/2, take/2,
to_list/1, update/3, values/1]).
--opaque iterator() :: {term(), term(), iterator()}
- | none | nonempty_improper_list(integer(),map()).
+-opaque iterator(Key, Value) :: {Key, Value, iterator(Key, Value)} | none
+ | nonempty_improper_list(integer(), #{Key => Value}).
--export_type([iterator/0]).
+-type iterator() :: iterator(term(), term()).
+
+-export_type([iterator/2, iterator/0]).
-dialyzer({no_improper_lists, iterator/1}).
@@ -50,9 +52,7 @@
get(_,_) -> erlang:nif_error(undef).
-spec find(Key,Map) -> {ok, Value} | error when
- Key :: term(),
- Map :: map(),
- Value :: term().
+ Map :: #{Key => Value, _ => _}.
find(_,_) -> erlang:nif_error(undef).
@@ -75,9 +75,8 @@ is_key(_,_) -> erlang:nif_error(undef).
-spec keys(Map) -> Keys when
- Map :: map(),
- Keys :: [Key],
- Key :: term().
+ Map :: #{Key => _},
+ Keys :: [Key].
keys(_) -> erlang:nif_error(undef).
@@ -91,13 +90,6 @@ keys(_) -> erlang:nif_error(undef).
merge(_,_) -> erlang:nif_error(undef).
-
--spec new() -> Map when
- Map :: map().
-
-new() -> erlang:nif_error(undef).
-
-
%% Shadowed by erl_bif_types: maps:put/3
-spec put(Key,Value,Map1) -> Map2 when
Key :: term(),
@@ -116,17 +108,13 @@ put(_,_,_) -> erlang:nif_error(undef).
remove(_,_) -> erlang:nif_error(undef).
-spec take(Key,Map1) -> {Value,Map2} | error when
- Key :: term(),
- Map1 :: map(),
- Value :: term(),
- Map2 :: map().
+ Map1 :: #{Key => Value, _ => _},
+ Map2 :: #{_ => _}.
take(_,_) -> erlang:nif_error(undef).
-spec to_list(Map) -> [{Key,Value}] when
- Map :: map(),
- Key :: term(),
- Value :: term().
+ Map :: #{Key => Value}.
to_list(Map) when is_map(Map) ->
to_list_internal(erts_internal:map_next(0, Map, []));
@@ -140,79 +128,69 @@ to_list_internal(Acc) ->
%% Shadowed by erl_bif_types: maps:update/3
-spec update(Key,Value,Map1) -> Map2 when
- Key :: term(),
- Value :: term(),
- Map1 :: map(),
- Map2 :: map().
+ Map1 :: #{Key := _, _ => _},
+ Map2 :: #{Key := Value, _ => _}.
update(_,_,_) -> erlang:nif_error(undef).
-spec values(Map) -> Values when
- Map :: map(),
- Values :: [Value],
- Value :: term().
+ Map :: #{_ => Value},
+ Values :: [Value].
values(_) -> erlang:nif_error(undef).
%% End of BIFs
+-spec new() -> Map when
+ Map :: #{}.
+
+new() -> #{}.
+
-spec update_with(Key,Fun,Map1) -> Map2 when
- Key :: term(),
- Map1 :: map(),
- Map2 :: map(),
- Fun :: fun((Value1 :: term()) -> Value2 :: term()).
+ Map1 :: #{Key := Value1, _ => _},
+ Map2 :: #{Key := Value2, _ => _},
+ Fun :: fun((Value1) -> Value2).
update_with(Key,Fun,Map) when is_function(Fun,1), is_map(Map) ->
- try maps:get(Key,Map) of
- Val -> maps:update(Key,Fun(Val),Map)
- catch
- error:{badkey,_} ->
- erlang:error({badkey,Key},[Key,Fun,Map])
+ case Map of
+ #{Key := Value} -> Map#{Key := Fun(Value)};
+ #{} -> erlang:error({badkey,Key},[Key,Fun,Map])
end;
update_with(Key,Fun,Map) ->
erlang:error(error_type(Map),[Key,Fun,Map]).
-spec update_with(Key,Fun,Init,Map1) -> Map2 when
- Key :: term(),
- Map1 :: Map1,
- Map2 :: Map2,
- Fun :: fun((Value1 :: term()) -> Value2 :: term()),
- Init :: term().
+ Map1 :: #{Key => Value1, _ => _},
+ Map2 :: #{Key := Value2 | Init, _ => _},
+ Fun :: fun((Value1) -> Value2).
update_with(Key,Fun,Init,Map) when is_function(Fun,1), is_map(Map) ->
- case maps:find(Key,Map) of
- {ok,Val} -> maps:update(Key,Fun(Val),Map);
- error -> maps:put(Key,Init,Map)
+ case Map of
+ #{Key := Value} -> Map#{Key := Fun(Value)};
+ #{} -> Map#{Key => Init}
end;
update_with(Key,Fun,Init,Map) ->
erlang:error(error_type(Map),[Key,Fun,Init,Map]).
-spec get(Key, Map, Default) -> Value | Default when
- Key :: term(),
- Map :: map(),
- Value :: term(),
- Default :: term().
+ Map :: #{Key => Value, _ => _}.
get(Key,Map,Default) when is_map(Map) ->
- case maps:find(Key, Map) of
- {ok, Value} ->
- Value;
- error ->
- Default
+ case Map of
+ #{Key := Value} -> Value;
+ #{} -> Default
end;
get(Key,Map,Default) ->
erlang:error({badmap,Map},[Key,Map,Default]).
--spec filter(Pred,MapOrIter) -> Map when
+-spec filter(Pred, MapOrIter) -> Map when
Pred :: fun((Key, Value) -> boolean()),
- Key :: term(),
- Value :: term(),
- MapOrIter :: map() | iterator(),
- Map :: map().
+ MapOrIter :: #{Key => Value} | iterator(Key, Value),
+ Map :: #{Key => Value}.
filter(Pred,Map) when is_function(Pred,2), is_map(Map) ->
maps:from_list(filter_1(Pred, iterator(Map)));
@@ -235,14 +213,11 @@ filter_1(Pred, Iter) ->
end.
-spec fold(Fun,Init,MapOrIter) -> Acc when
- Fun :: fun((K, V, AccIn) -> AccOut),
+ Fun :: fun((Key, Value, AccIn) -> AccOut),
Init :: term(),
- Acc :: term(),
- AccIn :: term(),
- AccOut :: term(),
- MapOrIter :: map() | iterator(),
- K :: term(),
- V :: term().
+ Acc :: AccOut,
+ AccIn :: Init | AccOut,
+ MapOrIter :: #{Key => Value} | iterator(Key, Value).
fold(Fun,Init,Map) when is_function(Fun,3), is_map(Map) ->
fold_1(Fun,Init,iterator(Map));
@@ -260,12 +235,9 @@ fold_1(Fun, Acc, Iter) ->
end.
-spec map(Fun,MapOrIter) -> Map when
- Fun :: fun((K, V1) -> V2),
- MapOrIter :: map() | iterator(),
- Map :: map(),
- K :: term(),
- V1 :: term(),
- V2 :: term().
+ Fun :: fun((Key, Value1) -> Value2),
+ MapOrIter :: #{Key => Value1} | iterator(Key, Value1),
+ Map :: #{Key => Value2}.
map(Fun,Map) when is_function(Fun, 2), is_map(Map) ->
maps:from_list(map_1(Fun, iterator(Map)));
@@ -291,17 +263,15 @@ size(Val) ->
erlang:error({badmap,Val},[Val]).
-spec iterator(Map) -> Iterator when
- Map :: map(),
- Iterator :: iterator().
+ Map :: #{Key => Value},
+ Iterator :: iterator(Key, Value).
iterator(M) when is_map(M) -> [0 | M];
iterator(M) -> erlang:error({badmap, M}, [M]).
-spec next(Iterator) -> {Key, Value, NextIterator} | 'none' when
- Iterator :: iterator(),
- Key :: term(),
- Value :: term(),
- NextIterator :: iterator().
+ Iterator :: iterator(Key, Value),
+ NextIterator :: iterator(Key, Value).
next({K, V, I}) ->
{K, V, I};
next([Path | Map]) when is_integer(Path), is_map(Map) ->
@@ -318,29 +288,26 @@ next(Iter) ->
K :: term().
without(Ks,M) when is_list(Ks), is_map(M) ->
- lists:foldl(fun(K, M1) -> maps:remove(K, M1) end, M, Ks);
+ lists:foldl(fun maps:remove/2, M, Ks);
without(Ks,M) ->
erlang:error(error_type(M),[Ks,M]).
-spec with(Ks, Map1) -> Map2 when
Ks :: [K],
- Map1 :: map(),
- Map2 :: map(),
- K :: term().
+ Map1 :: #{K => V, _ => _},
+ Map2 :: #{K => V}.
with(Ks,Map1) when is_list(Ks), is_map(Map1) ->
- Fun = fun(K, List) ->
- case maps:find(K, Map1) of
- {ok, V} ->
- [{K, V} | List];
- error ->
- List
- end
- end,
- maps:from_list(lists:foldl(Fun, [], Ks));
+ maps:from_list(with_1(Ks, Map1));
with(Ks,M) ->
erlang:error(error_type(M),[Ks,M]).
+with_1([K|Ks], Map) ->
+ case Map of
+ #{K := V} -> [{K,V}|with_1(Ks, Map)];
+ #{} -> with_1(Ks, Map)
+ end;
+with_1([], _Map) -> [].
error_type(M) when is_map(M) -> badarg;
error_type(V) -> {badmap, V}.
diff --git a/lib/stdlib/src/otp_internal.erl b/lib/stdlib/src/otp_internal.erl
index aaed13ba3a..f2b50c354a 100644
--- a/lib/stdlib/src/otp_internal.erl
+++ b/lib/stdlib/src/otp_internal.erl
@@ -55,6 +55,14 @@ obsolete_1(erlang, now, 0) ->
obsolete_1(calendar, local_time_to_universal_time, 1) ->
{deprecated, {calendar, local_time_to_universal_time_dst, 1}};
+%% *** STDLIB added in OTP 22 ***
+
+obsolete_1(sys, get_debug, 3) ->
+ {deprecated,
+ "Deprecated function. "
+ "Incorrectly documented and in fact only for internal use. "
+ "Can often be replaced with sys:get_log/1."};
+
%% *** STDLIB added in OTP 20 ***
obsolete_1(gen_fsm, start, 3) ->
@@ -398,10 +406,8 @@ obsolete_1(megaco, format_versions, 1) ->
%% *** OS-MON-MIB ***
-obsolete_1(os_mon_mib, init, 1) ->
- {deprecated, {os_mon_mib, load, 1}};
-obsolete_1(os_mon_mib, stop, 1) ->
- {deprecated, {os_mon_mib, unload, 1}};
+obsolete_1(os_mon_mib, _, _) ->
+ {removed, "was removed in 22.0"};
obsolete_1(auth, is_auth, 1) ->
{deprecated, {net_adm, ping, 1}};
diff --git a/lib/stdlib/src/rand.erl b/lib/stdlib/src/rand.erl
index 362e98006e..3a9a1e007b 100644
--- a/lib/stdlib/src/rand.erl
+++ b/lib/stdlib/src/rand.erl
@@ -1,7 +1,7 @@
%%
%% %CopyrightBegin%
%%
-%% Copyright Ericsson AB 2015-2017. All Rights Reserved.
+%% Copyright Ericsson AB 2015-2018. All Rights Reserved.
%%
%% Licensed under the Apache License, Version 2.0 (the "License");
%% you may not use this file except in compliance with the License.
@@ -32,18 +32,24 @@
uniform/0, uniform/1, uniform_s/1, uniform_s/2,
uniform_real/0, uniform_real_s/1,
jump/0, jump/1,
- normal/0, normal/2, normal_s/1, normal_s/3
+ normal/0, normal/2, normal_s/1, normal_s/3
]).
+%% Test, dev and internal
+-export([exro928_jump_2pow512/1, exro928_jump_2pow20/1,
+ exro928_seed/1, exro928_next/1, exro928_next_state/1,
+ format_jumpconst58/1, seed58/2]).
+
%% Debug
-export([make_float/3, float2str/1, bc64/1]).
--compile({inline, [exs64_next/1, exsplus_next/1,
+-compile({inline, [exs64_next/1, exsplus_next/1, exsss_next/1,
exs1024_next/1, exs1024_calc/2,
+ exro928_next_state/4,
exrop_next/1, exrop_next_s/2,
get_52/1, normal_kiwi/1]}).
--define(DEFAULT_ALG_HANDLER, exrop).
+-define(DEFAULT_ALG_HANDLER, exsss).
-define(SEED_DICT, rand_seed).
%% =====================================================================
@@ -80,8 +86,8 @@
%% This depends on the algorithm handler function
-type alg_state() ::
- exs64_state() | exsplus_state() | exs1024_state() |
- exrop_state() | term().
+ exsplus_state() | exro928_state() | exrop_state() | exs1024_state() |
+ exs64_state() | term().
%% This is the algorithm handling definition within this module,
%% and the type to use for plugins.
@@ -124,14 +130,17 @@
%% Algorithm state
-type state() :: {alg_handler(), alg_state()}.
--type builtin_alg() :: exs64 | exsplus | exsp | exs1024 | exs1024s | exrop.
+-type builtin_alg() ::
+ exsss | exro928ss | exrop | exs1024s | exsp | exs64 | exsplus | exs1024.
-type alg() :: builtin_alg() | atom().
-type export_state() :: {alg(), alg_state()}.
+-type seed() :: [integer()] | integer() | {integer(), integer(), integer()}.
-export_type(
[builtin_alg/0, alg/0, alg_handler/0, alg_state/0,
- state/0, export_state/0]).
+ state/0, export_state/0, seed/0]).
-export_type(
- [exs64_state/0, exsplus_state/0, exs1024_state/0, exrop_state/0]).
+ [exsplus_state/0, exro928_state/0, exrop_state/0, exs1024_state/0,
+ exs64_state/0]).
%% =====================================================================
%% Range macro and helper
@@ -229,12 +238,12 @@ export_seed() ->
end.
-spec export_seed_s(State :: state()) -> export_state().
-export_seed_s({#{type:=Alg}, Seed}) -> {Alg, Seed}.
+export_seed_s({#{type:=Alg}, AlgState}) -> {Alg, AlgState}.
%% seed(Alg) seeds RNG with runtime dependent values
%% and return the NEW state
-%% seed({Alg,Seed}) setup RNG with a previously exported seed
+%% seed({Alg,AlgState}) setup RNG with a previously exported seed
%% and return the NEW state
-spec seed(
@@ -246,11 +255,11 @@ seed(Alg) ->
-spec seed_s(
AlgOrStateOrExpState :: builtin_alg() | state() | export_state()) ->
state().
-seed_s({AlgHandler, _Seed} = State) when is_map(AlgHandler) ->
+seed_s({AlgHandler, _AlgState} = State) when is_map(AlgHandler) ->
State;
-seed_s({Alg0, Seed}) ->
- {Alg,_SeedFun} = mk_alg(Alg0),
- {Alg, Seed};
+seed_s({Alg, AlgState}) when is_atom(Alg) ->
+ {AlgHandler,_SeedFun} = mk_alg(Alg),
+ {AlgHandler,AlgState};
seed_s(Alg) ->
seed_s(Alg, {erlang:phash2([{node(),self()}]),
erlang:system_time(),
@@ -259,19 +268,15 @@ seed_s(Alg) ->
%% seed/2: seeds RNG with the algorithm and given values
%% and returns the NEW state.
--spec seed(
- Alg :: builtin_alg(), Seed :: {integer(), integer(), integer()}) ->
- state().
-seed(Alg0, S0) ->
- seed_put(seed_s(Alg0, S0)).
+-spec seed(Alg :: builtin_alg(), Seed :: seed()) -> state().
+seed(Alg, Seed) ->
+ seed_put(seed_s(Alg, Seed)).
--spec seed_s(
- Alg :: builtin_alg(), Seed :: {integer(), integer(), integer()}) ->
- state().
-seed_s(Alg0, S0 = {_, _, _}) ->
- {Alg, Seed} = mk_alg(Alg0),
- AS = Seed(S0),
- {Alg, AS}.
+-spec seed_s(Alg :: builtin_alg(), Seed :: seed()) -> state().
+seed_s(Alg, Seed) ->
+ {AlgHandler,SeedFun} = mk_alg(Alg),
+ AlgState = SeedFun(Seed),
+ {AlgHandler,AlgState}.
%%% uniform/0, uniform/1, uniform_s/1, uniform_s/2 are all
%%% uniformly distributed random numbers.
@@ -281,8 +286,8 @@ seed_s(Alg0, S0 = {_, _, _}) ->
-spec uniform() -> X :: float().
uniform() ->
- {X, Seed} = uniform_s(seed_get()),
- _ = seed_put(Seed),
+ {X, State} = uniform_s(seed_get()),
+ _ = seed_put(State),
X.
%% uniform/1: given an integer N >= 1,
@@ -291,8 +296,8 @@ uniform() ->
-spec uniform(N :: pos_integer()) -> X :: pos_integer().
uniform(N) ->
- {X, Seed} = uniform_s(N, seed_get()),
- _ = seed_put(Seed),
+ {X, State} = uniform_s(N, seed_get()),
+ _ = seed_put(State),
X.
%% uniform_s/1: given a state, uniform_s/1
@@ -486,7 +491,7 @@ uniform_real_s(Alg, Next, M0, BitNo, R1, V1, Bits) ->
{M1 * math:pow(2.0, BitNo - 56), {Alg, R1}};
BitNo =:= -1008 ->
%% Endgame
- %% For the last round we can not have 14 zeros or more
+ %% For the last round we cannot have 14 zeros or more
%% at the top of M1 because then we will underflow,
%% so we need at least 43 bits
if
@@ -613,6 +618,11 @@ mk_alg(exsp) ->
uniform=>fun exsp_uniform/1, uniform_n=>fun exsp_uniform/2,
jump=>fun exsplus_jump/1},
fun exsplus_seed/1};
+mk_alg(exsss) ->
+ {#{type=>exsss, bits=>58, next=>fun exsss_next/1,
+ uniform=>fun exsss_uniform/1, uniform_n=>fun exsss_uniform/2,
+ jump=>fun exsplus_jump/1},
+ fun exsss_seed/1};
mk_alg(exs1024) ->
{#{type=>exs1024, max=>?MASK(64), next=>fun exs1024_next/1,
jump=>fun exs1024_jump/1},
@@ -625,7 +635,13 @@ mk_alg(exrop) ->
{#{type=>exrop, bits=>58, weak_low_bits=>1, next=>fun exrop_next/1,
uniform=>fun exrop_uniform/1, uniform_n=>fun exrop_uniform/2,
jump=>fun exrop_jump/1},
- fun exrop_seed/1}.
+ fun exrop_seed/1};
+mk_alg(exro928ss) ->
+ {#{type=>exro928ss, bits=>58, next=>fun exro928ss_next/1,
+ uniform=>fun exro928ss_uniform/1,
+ uniform_n=>fun exro928ss_uniform/2,
+ jump=>fun exro928_jump/1},
+ fun exro928_seed/1}.
%% =====================================================================
%% exs64 PRNG: Xorshift64*
@@ -635,6 +651,14 @@ mk_alg(exrop) ->
-opaque exs64_state() :: uint64().
+exs64_seed(L) when is_list(L) ->
+ [R] = seed64_nz(1, L),
+ R;
+exs64_seed(A) when is_integer(A) ->
+ [R] = seed64(1, ?MASK(64, A)),
+ R;
+%%
+%% Traditional integer triplet seed
exs64_seed({A1, A2, A3}) ->
{V1, _} = exs64_next((?MASK(32, A1) * 4294967197 + 1)),
{V2, _} = exs64_next((?MASK(32, A2) * 4294967231 + 1)),
@@ -656,11 +680,49 @@ exs64_next(R) ->
%% 58 bits fits into an immediate on 64bits erlang and is thus much faster.
%% Modification of the original Xorshift128+ algorithm to 116
%% by Sebastiano Vigna, a lot of thanks for his help and work.
+%%
+%% Reference C code for Xorshift116+ and Xorshift116**
+%%
+%% #include <stdint.h>
+%%
+%% #define MASK(b, v) (((UINT64_C(1) << (b)) - 1) & (v))
+%% #define BSL(b, v, n) (MASK((b)-(n), (v)) << (n))
+%% #define ROTL(b, v, n) (BSL((b), (v), (n)) | ((v) >> ((b)-(n))))
+%%
+%% uint64_t s[2];
+%%
+%% uint64_t next(void) {
+%% uint64_t s1 = s[0];
+%% const uint64_t s0 = s[1];
+%%
+%% s1 ^= BSL(58, s1, 24); // a
+%% s1 ^= s0 ^ (s1 >> 11) ^ (s0 >> 41); // b, c
+%% s[0] = s0;
+%% s[1] = s1;
+%%
+%% const uint64_t result_plus = MASK(58, s0 + s1);
+%% uint64_t result_starstar = s0;
+%% result_starstar = MASK(58, result_starstar * 5);
+%% result_starstar = ROTL(58, result_starstar, 7);
+%% result_starstar = MASK(58, result_starstar * 9);
+%%
+%% return result_plus;
+%% return result_starstar;
+%% }
+%%
%% =====================================================================
-opaque exsplus_state() :: nonempty_improper_list(uint58(), uint58()).
-dialyzer({no_improper_lists, exsplus_seed/1}).
+exsplus_seed(L) when is_list(L) ->
+ [S0,S1] = seed58_nz(2, L),
+ [S0|S1];
+exsplus_seed(X) when is_integer(X) ->
+ [S0,S1] = seed58(2, ?MASK(64, X)),
+ [S0|S1];
+%%
+%% Traditional integer triplet seed
exsplus_seed({A1, A2, A3}) ->
{_, R1} = exsplus_next(
[?MASK(58, (A1 * 4294967197) + 1)|
@@ -670,16 +732,62 @@ exsplus_seed({A1, A2, A3}) ->
tl(R1)]),
R2.
+-dialyzer({no_improper_lists, exsss_seed/1}).
+
+exsss_seed(L) when is_list(L) ->
+ [S0,S1] = seed58_nz(2, L),
+ [S0|S1];
+exsss_seed(X) when is_integer(X) ->
+ [S0,S1] = seed58(2, ?MASK(64, X)),
+ [S0|S1];
+%%
+%% Seed from traditional integer triple - mix into splitmix
+exsss_seed({A1, A2, A3}) ->
+ {_, X0} = seed58(?MASK(64, A1)),
+ {S0, X1} = seed58(?MASK(64, A2) bxor X0),
+ {S1, _} = seed58(?MASK(64, A3) bxor X1),
+ [S0|S1].
+
+%% Advance Xorshift116 state one step
+-define(
+ exs_next(S0, S1, S1_b),
+ begin
+ S1_b = S1 bxor ?BSL(58, S1, 24),
+ S1_b bxor S0 bxor (S1_b bsr 11) bxor (S0 bsr 41)
+ end).
+
+-define(
+ scramble_starstar(S, V_a, V_b),
+ begin
+ %% The multiply by add shifted trick avoids creating bignums
+ %% which improves performance significantly
+ %%
+ V_a = ?MASK(58, S + ?BSL(58, S, 2)), % V_a = S * 5
+ V_b = ?ROTL(58, V_a, 7),
+ ?MASK(58, V_b + ?BSL(58, V_b, 3)) % V_b * 9
+ end).
+
-dialyzer({no_improper_lists, exsplus_next/1}).
-%% Advance xorshift116+ state for one step and generate 58bit unsigned integer
+%% Advance state and generate 58bit unsigned integer
-spec exsplus_next(exsplus_state()) -> {uint58(), exsplus_state()}.
exsplus_next([S1|S0]) ->
%% Note: members s0 and s1 are swapped here
- S11 = S1 bxor ?BSL(58, S1, 24),
- S12 = S11 bxor S0 bxor (S11 bsr 11) bxor (S0 bsr 41),
- {?MASK(58, S0 + S12), [S0|S12]}.
+ NewS1 = ?exs_next(S0, S1, S1_1),
+ {?MASK(58, S0 + NewS1), [S0|NewS1]}.
+%% %% Note: members s0 and s1 are swapped here
+%% S11 = S1 bxor ?BSL(58, S1, 24),
+%% S12 = S11 bxor S0 bxor (S11 bsr 11) bxor (S0 bsr 41),
+%% {?MASK(58, S0 + S12), [S0|S12]}.
+
+-dialyzer({no_improper_lists, exsss_next/1}).
+-spec exsss_next(exsplus_state()) -> {uint58(), exsplus_state()}.
+exsss_next([S1|S0]) ->
+ %% Note: members s0 and s1 are swapped here
+ NewS1 = ?exs_next(S0, S1, S1_1),
+ {?scramble_starstar(S0, V_0, V_1), [S0|NewS1]}.
+%% {?MASK(58, S0 + NewS1), [S0|NewS1]}.
exsp_uniform({Alg, R0}) ->
{I, R1} = exsplus_next(R0),
@@ -687,18 +795,48 @@ exsp_uniform({Alg, R0}) ->
%% randomness quality than the others
{(I bsr (58-53)) * ?TWO_POW_MINUS53, {Alg, R1}}.
+exsss_uniform({Alg, R0}) ->
+ {I, R1} = exsss_next(R0),
+ {(I bsr (58-53)) * ?TWO_POW_MINUS53, {Alg, R1}}.
+
exsp_uniform(Range, {Alg, R}) ->
{V, R1} = exsplus_next(R),
MaxMinusRange = ?BIT(58) - Range,
?uniform_range(Range, Alg, R1, V, MaxMinusRange, I).
+exsss_uniform(Range, {Alg, R}) ->
+ {V, R1} = exsss_next(R),
+ MaxMinusRange = ?BIT(58) - Range,
+ ?uniform_range(Range, Alg, R1, V, MaxMinusRange, I).
-%% This is the jump function for the exsplus generator, equivalent
+
+%% This is the jump function for the exs* generators,
+%% i.e the Xorshift116 generators, equivalent
%% to 2^64 calls to next/1; it can be used to generate 2^52
%% non-overlapping subsequences for parallel computations.
%% Note: the jump function takes 116 times of the execution time of
%% next/1.
-
+%%
+%% #include <stdint.h>
+%%
+%% void jump(void) {
+%% static const uint64_t JUMP[] = { 0x02f8ea6bc32c797,
+%% 0x345d2a0f85f788c };
+%% int i, b;
+%% uint64_t s0 = 0;
+%% uint64_t s1 = 0;
+%% for(i = 0; i < sizeof JUMP / sizeof *JUMP; i++)
+%% for(b = 0; b < 58; b++) {
+%% if (JUMP[i] & 1ULL << b) {
+%% s0 ^= s[0];
+%% s1 ^= s[1];
+%% }
+%% next();
+%% }
+%% s[0] = s0;
+%% s[1] = s1;
+%% }
+%%
%% -define(JUMPCONST, 16#000d174a83e17de2302f8ea6bc32c797).
%% split into 58-bit chunks
%% and two iterative executions
@@ -708,7 +846,8 @@ exsp_uniform(Range, {Alg, R}) ->
-define(JUMPELEMLEN, 58).
-dialyzer({no_improper_lists, exsplus_jump/1}).
--spec exsplus_jump(state()) -> state().
+-spec exsplus_jump({alg_handler(), exsplus_state()}) ->
+ {alg_handler(), exsplus_state()}.
exsplus_jump({Alg, S}) ->
{S1, AS1} = exsplus_jump(S, [0|0], ?JUMPCONST1, ?JUMPELEMLEN),
{_, AS2} = exsplus_jump(S1, AS1, ?JUMPCONST2, ?JUMPELEMLEN),
@@ -735,6 +874,12 @@ exsplus_jump(S, [AS0|AS1], J, N) ->
-opaque exs1024_state() :: {list(uint64()), list(uint64())}.
+exs1024_seed(L) when is_list(L) ->
+ {seed64_nz(16, L), []};
+exs1024_seed(X) when is_integer(X) ->
+ {seed64(16, ?MASK(64, X)), []};
+%%
+%% Seed from traditional triple, remain backwards compatible
exs1024_seed({A1, A2, A3}) ->
B1 = ?MASK(21, (?MASK(21, A1) + 1) * 2097131),
B2 = ?MASK(21, (?MASK(21, A2) + 1) * 2097133),
@@ -806,8 +951,8 @@ exs1024_next({[H], RL}) ->
-define(JUMPTOTALLEN, 1024).
-define(RINGLEN, 16).
--spec exs1024_jump(state()) -> state().
-
+-spec exs1024_jump({alg_handler(), exs1024_state()}) ->
+ {alg_handler(), exs1024_state()}.
exs1024_jump({Alg, {L, RL}}) ->
P = length(RL),
AS = exs1024_jump({L, RL},
@@ -832,6 +977,195 @@ exs1024_jump({L, RL}, AS, JL, J, N, TN) ->
end.
%% =====================================================================
+%% exro928ss PRNG: Xoroshiro928**
+%%
+%% Reference URL: http://vigna.di.unimi.it/ftp/papers/ScrambledLinear.pdf
+%% i.e the Xoroshiro1024 generator with ** scrambler
+%% with {S, R, T} = {5, 7, 9} as recommended in the paper.
+%%
+%% {A, B, C} were tried out and selected as {44, 9, 45}
+%% and the jump coefficients calculated.
+%%
+%% Standard jump function pseudocode:
+%%
+%% Jump constant j = 0xb10773cb...44085302f77130ca
+%% Generator state: s
+%% New generator state: t = 0
+%% foreach bit in j, low to high:
+%% if the bit is one:
+%% t ^= s
+%% next s
+%% s = t
+%%
+%% Generator used for reference value calculation:
+%%
+%% #include <stdint.h>
+%% #include <stdio.h>
+%%
+%% int p = 0;
+%% uint64_t s[16];
+%%
+%% #define MASK(x) ((x) & ((UINT64_C(1) << 58) - 1))
+%% static __inline uint64_t rotl(uint64_t x, int n) {
+%% return MASK(x << n) | (x >> (58 - n));
+%% }
+%%
+%% uint64_t next() {
+%% const int q = p;
+%% const uint64_t s0 = s[p = (p + 1) & 15];
+%% uint64_t s15 = s[q];
+%%
+%% const uint64_t result_starstar = MASK(rotl(MASK(s0 * 5), 7) * 9);
+%%
+%% s15 ^= s0;
+%% s[q] = rotl(s0, 44) ^ s15 ^ MASK(s15 << 9);
+%% s[p] = rotl(s15, 45);
+%%
+%% return result_starstar;
+%% }
+%%
+%% static const uint64_t jump_2pow512[15] =
+%% { 0x44085302f77130ca, 0xba05381fdfd14902, 0x10a1de1d7d6813d2,
+%% 0xb83fe51a1eb3be19, 0xa81b0090567fd9f0, 0x5ac26d5d20f9b49f,
+%% 0x4ddd98ee4be41e01, 0x0657e19f00d4b358, 0xf02f778573cf0f0a,
+%% 0xb45a3a8a3cef3cc0, 0x6e62a33cc2323831, 0xbcb3b7c4cc049c53,
+%% 0x83f240c6007e76ce, 0xe19f5fc1a1504acd, 0x00000000b10773cb };
+%%
+%% static const uint64_t jump_2pow20[15] =
+%% { 0xbdb966a3daf905e6, 0x644807a56270cf78, 0xda90f4a806c17e9e,
+%% 0x4a426866bfad3c77, 0xaf699c306d8e7566, 0x8ebc73c700b8b091,
+%% 0xc081a7bf148531fb, 0xdc4d3af15f8a4dfd, 0x90627c014098f4b6,
+%% 0x06df2eb1feaf0fb6, 0x5bdeb1a5a90f2e6b, 0xa480c5878c3549bd,
+%% 0xff45ef33c82f3d48, 0xa30bebc15fefcc78, 0x00000000cb3d181c };
+%%
+%% void jump(const uint64_t *jump) {
+%% uint64_t j, t[16] = {0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0};
+%% int m, n, k;
+%% for (m = 0; m < 15; m++, jump++) {
+%% for (n = 0, j = *jump; n < 64; n++, j >>= 1) {
+%% if ((j & 1) != 0) {
+%% for (k = 0; k < 16; k++) {
+%% t[k] ^= s[(p + k) & 15];
+%% }
+%% }
+%% next();
+%% }
+%% }
+%% for (k = 0; k < 16; k++) {
+%% s[(p + k) & 15] = t[k];
+%% }
+%% }
+%%
+%% =====================================================================
+
+-opaque exro928_state() :: {list(uint58()), list(uint58())}.
+
+-spec exro928_seed(
+ list(uint58()) | integer() | {integer(), integer(), integer()}) ->
+ exro928_state().
+exro928_seed(L) when is_list(L) ->
+ {seed58_nz(16, L), []};
+exro928_seed(X) when is_integer(X) ->
+ {seed58(16, ?MASK(64, X)), []};
+%%
+%% Seed from traditional integer triple - mix into splitmix
+exro928_seed({A1, A2, A3}) ->
+ {S0, X0} = seed58(?MASK(64, A1)),
+ {S1, X1} = seed58(?MASK(64, A2) bxor X0),
+ {S2, X2} = seed58(?MASK(64, A3) bxor X1),
+ {[S0,S1,S2|seed58(13, X2)], []}.
+
+
+%% Update the state and calculate output word
+-spec exro928ss_next(exro928_state()) -> {uint58(), exro928_state()}.
+exro928ss_next({[S15,S0|Ss], Rs}) ->
+ SR = exro928_next_state(Ss, Rs, S15, S0),
+ %%
+ %% {S, R, T} = {5, 7, 9}
+ %% const uint64_t result_starstar = rotl(s0 * S, R) * T;
+ %%
+ {?scramble_starstar(S0, V_0, V_1), SR};
+%% %% The multiply by add shifted trick avoids creating bignums
+%% %% which improves performance significantly
+%% %%
+%% V0 = ?MASK(58, S0 + ?BSL(58, S0, 2)), % V0 = S0 * 5
+%% V1 = ?ROTL(58, V0, 7),
+%% V = ?MASK(58, V1 + ?BSL(58, V1, 3)), % V = V1 * 9
+%% {V, SR};
+exro928ss_next({[S15], Rs}) ->
+ exro928ss_next({[S15|lists:reverse(Rs)], []}).
+
+-spec exro928_next(exro928_state()) -> {{uint58(),uint58()}, exro928_state()}.
+exro928_next({[S15,S0|Ss], Rs}) ->
+ SR = exro928_next_state(Ss, Rs, S15, S0),
+ {{S15,S0}, SR};
+exro928_next({[S15], Rs}) ->
+ exro928_next({[S15|lists:reverse(Rs)], []}).
+
+%% Just update the state
+-spec exro928_next_state(exro928_state()) -> exro928_state().
+exro928_next_state({[S15,S0|Ss], Rs}) ->
+ exro928_next_state(Ss, Rs, S15, S0);
+exro928_next_state({[S15], Rs}) ->
+ [S0|Ss] = lists:reverse(Rs),
+ exro928_next_state(Ss, [], S15, S0).
+
+exro928_next_state(Ss, Rs, S15, S0) ->
+ %% {A, B, C} = {44, 9, 45},
+ %% s15 ^= s0;
+ %% NewS15: s[q] = rotl(s0, A) ^ s15 ^ (s15 << B);
+ %% NewS0: s[p] = rotl(s15, C);
+ %%
+ Q = S15 bxor S0,
+ NewS15 = ?ROTL(58, S0, 44) bxor Q bxor ?BSL(58, Q, 9),
+ NewS0 = ?ROTL(58, Q, 45),
+ {[NewS0|Ss], [NewS15|Rs]}.
+
+
+exro928ss_uniform({Alg, SR}) ->
+ {V, NewSR} = exro928ss_next(SR),
+ {(V bsr (58-53)) * ?TWO_POW_MINUS53, {Alg, NewSR}}.
+
+exro928ss_uniform(Range, {Alg, SR}) ->
+ {V, NewSR} = exro928ss_next(SR),
+ MaxMinusRange = ?BIT(58) - Range,
+ ?uniform_range(Range, Alg, NewSR, V, MaxMinusRange, I).
+
+
+-spec exro928_jump({alg_handler(), exro928_state()}) ->
+ {alg_handler(), exro928_state()}.
+exro928_jump({Alg, SR}) ->
+ {Alg,exro928_jump_2pow512(SR)}.
+
+-spec exro928_jump_2pow512(exro928_state()) -> exro928_state().
+exro928_jump_2pow512(SR) ->
+ polyjump(
+ SR, fun exro928_next_state/1,
+ %% 2^512
+ [16#4085302F77130CA, 16#54E07F7F4524091,
+ 16#5E1D7D6813D2BA0, 16#4687ACEF8644287,
+ 16#4567FD9F0B83FE5, 16#43E6D27EA06C024,
+ 16#641E015AC26D5D2, 16#6CD61377663B92F,
+ 16#70A0657E19F00D4, 16#43C0BDDE15CF3C3,
+ 16#745A3A8A3CEF3CC, 16#58A8CF308C8E0C6,
+ 16#7B7C4CC049C536E, 16#431801F9DB3AF2C,
+ 16#41A1504ACD83F24, 16#6C41DCF2F867D7F]).
+
+-spec exro928_jump_2pow20(exro928_state()) -> exro928_state().
+exro928_jump_2pow20(SR) ->
+ polyjump(
+ SR, fun exro928_next_state/1,
+ %% 2^20
+ [16#5B966A3DAF905E6, 16#601E9589C33DE2F,
+ 16#74A806C17E9E644, 16#59AFEB4F1DF6A43,
+ 16#46D8E75664A4268, 16#42E2C246BDA670C,
+ 16#4531FB8EBC73C70, 16#537F702069EFC52,
+ 16#4B6DC4D3AF15F8A, 16#5A4189F0050263D,
+ 16#46DF2EB1FEAF0FB, 16#77AC696A43CB9AC,
+ 16#4C5878C3549BD5B, 16#7CCF20BCF522920,
+ 16#415FEFCC78FF45E, 16#72CF460728C2FAF]).
+
+%% =====================================================================
%% exrop PRNG: Xoroshiro116+
%%
%% Reference URL: http://xorshift.di.unimi.it/
@@ -899,6 +1233,15 @@ exs1024_jump({L, RL}, AS, JL, J, N, TN) ->
-opaque exrop_state() :: nonempty_improper_list(uint58(), uint58()).
-dialyzer({no_improper_lists, exrop_seed/1}).
+
+exrop_seed(L) when is_list(L) ->
+ [S0,S1] = seed58_nz(2, L),
+ [S0|S1];
+exrop_seed(X) when is_integer(X) ->
+ [S0,S1] = seed58(2, ?MASK(64, X)),
+ [S0|S1];
+%%
+%% Traditional integer triplet seed
exrop_seed({A1, A2, A3}) ->
[_|S1] =
exrop_next_s(
@@ -962,6 +1305,142 @@ exrop_jump([S__0|S__1] = _S, S0, S1, J, Js) ->
end.
%% =====================================================================
+%% Mask and fill state list, ensure not all zeros
+%% =====================================================================
+
+seed58_nz(N, Ss) ->
+ seed_nz(N, Ss, 58, false).
+
+seed64_nz(N, Ss) ->
+ seed_nz(N, Ss, 64, false).
+
+seed_nz(_N, [], _M, false) ->
+ erlang:error(zero_seed);
+seed_nz(0, [_|_], _M, _NZ) ->
+ erlang:error(too_many_seed_integers);
+seed_nz(0, [], _M, _NZ) ->
+ [];
+seed_nz(N, [], M, true) ->
+ [0|seed_nz(N - 1, [], M, true)];
+seed_nz(N, [S|Ss], M, NZ) ->
+ if
+ is_integer(S) ->
+ R = ?MASK(M, S),
+ [R|seed_nz(N - 1, Ss, M, NZ orelse R =/= 0)];
+ true ->
+ erlang:error(non_integer_seed)
+ end.
+
+%% =====================================================================
+%% Splitmix seeders, lowest bits of SplitMix64, zeros skipped
+%% =====================================================================
+
+-spec seed58(non_neg_integer(), uint64()) -> list(uint58()).
+seed58(0, _X) ->
+ [];
+seed58(N, X) ->
+ {Z,NewX} = seed58(X),
+ [Z|seed58(N - 1, NewX)].
+%%
+seed58(X_0) ->
+ {Z0,X} = splitmix64_next(X_0),
+ case ?MASK(58, Z0) of
+ 0 ->
+ seed58(X);
+ Z ->
+ {Z,X}
+ end.
+
+-spec seed64(non_neg_integer(), uint64()) -> list(uint64()).
+seed64(0, _X) ->
+ [];
+seed64(N, X) ->
+ {Z,NewX} = seed64(X),
+ [Z|seed64(N - 1, NewX)].
+%%
+seed64(X_0) ->
+ {Z,X} = ZX = splitmix64_next(X_0),
+ if
+ Z =:= 0 ->
+ seed64(X);
+ true ->
+ ZX
+ end.
+
+%% The SplitMix64 generator:
+%%
+%% uint64_t splitmix64_next() {
+%% uint64_t z = (x += 0x9e3779b97f4a7c15);
+%% z = (z ^ (z >> 30)) * 0xbf58476d1ce4e5b9;
+%% z = (z ^ (z >> 27)) * 0x94d049bb133111eb;
+%% return z ^ (z >> 31);
+%% }
+%%
+splitmix64_next(X_0) ->
+ X = ?MASK(64, X_0 + 16#9e3779b97f4a7c15),
+ Z_0 = ?MASK(64, (X bxor (X bsr 30)) * 16#bf58476d1ce4e5b9),
+ Z_1 = ?MASK(64, (Z_0 bxor (Z_0 bsr 27)) * 16#94d049bb133111eb),
+ {?MASK(64, Z_1 bxor (Z_1 bsr 31)),X}.
+
+%% =====================================================================
+%% Polynomial jump with a jump constant word list,
+%% high bit in each word marking top of word,
+%% SR is a {Forward, Reverse} queue tuple with Forward never empty
+%% =====================================================================
+
+polyjump({Ss, Rs} = SR, NextState, JumpConst) ->
+ %% Create new state accumulator T
+ Ts = lists:duplicate(length(Ss) + length(Rs), 0),
+ polyjump(SR, NextState, JumpConst, Ts).
+%%
+%% Foreach jump word
+polyjump(_SR, _NextState, [], Ts) ->
+ %% Return new calculated state
+ {Ts, []};
+polyjump(SR, NextState, [J|Js], Ts) ->
+ polyjump(SR, NextState, Js, Ts, J).
+%%
+%% Foreach bit in jump word until top bit
+polyjump(SR, NextState, Js, Ts, 1) ->
+ polyjump(SR, NextState, Js, Ts);
+polyjump({Ss, Rs} = SR, NextState, Js, Ts, J) when J =/= 0 ->
+ NewSR = NextState(SR),
+ NewJ = J bsr 1,
+ case ?MASK(1, J) of
+ 0 ->
+ polyjump(NewSR, NextState, Js, Ts, NewJ);
+ 1 ->
+ %% Xor this state onto T
+ polyjump(NewSR, NextState, Js, xorzip_sr(Ts, Ss, Rs), NewJ)
+ end.
+
+xorzip_sr([], [], undefined) ->
+ [];
+xorzip_sr(Ts, [], Rs) ->
+ xorzip_sr(Ts, lists:reverse(Rs), undefined);
+xorzip_sr([T|Ts], [S|Ss], Rs) ->
+ [T bxor S|xorzip_sr(Ts, Ss, Rs)].
+
+%% =====================================================================
+
+format_jumpconst58(String) ->
+ ReOpts = [{newline,any},{capture,all_but_first,binary},global],
+ {match,Matches} = re:run(String, "0x([a-zA-Z0-9]+)", ReOpts),
+ format_jumcons58_matches(lists:reverse(Matches), 0).
+
+format_jumcons58_matches([], J) ->
+ format_jumpconst58_value(J);
+format_jumcons58_matches([[Bin]|Matches], J) ->
+ NewJ = (J bsl 64) bor binary_to_integer(Bin, 16),
+ format_jumcons58_matches(Matches, NewJ).
+
+format_jumpconst58_value(0) ->
+ ok;
+format_jumpconst58_value(J) ->
+ io:format("16#~s,~n", [integer_to_list(?MASK(58, J) bor ?BIT(58), 16)]),
+ format_jumpconst58_value(J bsr 58).
+
+%% =====================================================================
%% Ziggurat cont
%% =====================================================================
-define(NOR_R, 3.6541528853610087963519472518).
diff --git a/lib/stdlib/src/stdlib.app.src b/lib/stdlib/src/stdlib.app.src
index cd09872b87..9cd425db9a 100644
--- a/lib/stdlib/src/stdlib.app.src
+++ b/lib/stdlib/src/stdlib.app.src
@@ -108,7 +108,7 @@
dets]},
{applications, [kernel]},
{env, []},
- {runtime_dependencies, ["sasl-3.0","kernel-6.0","erts-10.0","crypto-3.3",
+ {runtime_dependencies, ["sasl-3.0","kernel-6.0","erts-@OTP-15128@","crypto-3.3",
"compiler-5.0"]}
]}.
diff --git a/lib/stdlib/src/sys.erl b/lib/stdlib/src/sys.erl
index 0064414d6f..a04195c9ed 100644
--- a/lib/stdlib/src/sys.erl
+++ b/lib/stdlib/src/sys.erl
@@ -30,7 +30,8 @@
log_to_file/2, log_to_file/3, no_debug/1, no_debug/2,
install/2, install/3, remove/2, remove/3]).
-export([handle_system_msg/6, handle_system_msg/7, handle_debug/4,
- print_log/1, get_debug/3, debug_options/1, suspend_loop_hib/6]).
+ print_log/1, get_log/1, get_debug/3, debug_options/1, suspend_loop_hib/6]).
+-deprecated([{get_debug,3,eventually}]).
%%-----------------------------------------------------------------
%% Types
@@ -42,10 +43,17 @@
| {'global', term()}
| {'via', module(), term()}.
-type system_event() :: {'in', Msg :: _}
- | {'in', Msg :: _, From :: _}
+ | {'in', Msg :: _, State :: _}
| {'out', Msg :: _, To :: _}
| {'out', Msg :: _, To :: _, State :: _}
- | term().
+ | {'noreply', State :: _}
+ | {'continue', Continuation :: _}
+ | {'code_change', Event :: _, State :: _}
+ | {'postpone', Event :: _, State :: _, NextState :: _}
+ | {'consume', Event :: _, State :: _, NextState :: _}
+ | {'enter', State :: _}
+ | {'terminate', Reason :: _, State :: _}
+ | term().
-opaque dbg_opt() :: {'trace', 'true'}
| {'log',
{N :: non_neg_integer(),
@@ -385,31 +393,41 @@ handle_system_msg(SysState, Msg, From, Parent, Mod, Debug, Misc, Hib) ->
FormFunc :: format_fun(),
Extra :: term(),
Event :: system_event().
-handle_debug([{trace, true} | T], FormFunc, State, Event) ->
+handle_debug([{trace, true} = DbgOpt | T], FormFunc, State, Event) ->
print_event({Event, State, FormFunc}),
- [{trace, true} | handle_debug(T, FormFunc, State, Event)];
-handle_debug([{log, {N, LogData}} | T], FormFunc, State, Event) ->
- NLogData = [{Event, State, FormFunc} | trim(N, LogData)],
- [{log, {N, NLogData}} | handle_debug(T, FormFunc, State, Event)];
-handle_debug([{log_to_file, Fd} | T], FormFunc, State, Event) ->
+ [DbgOpt | handle_debug(T, FormFunc, State, Event)];
+handle_debug([{log, NLog} | T], FormFunc, State, Event) ->
+ Item = {Event, State, FormFunc},
+ [{log, nlog_put(Item, NLog)} | handle_debug(T, FormFunc, State, Event)];
+handle_debug([{log_to_file, Fd} = DbgOpt | T], FormFunc, State, Event) ->
print_event(Fd, {Event, State, FormFunc}),
- [{log_to_file, Fd} | handle_debug(T, FormFunc, State, Event)];
+ [DbgOpt | handle_debug(T, FormFunc, State, Event)];
handle_debug([{statistics, StatData} | T], FormFunc, State, Event) ->
NStatData = stat(Event, StatData),
[{statistics, NStatData} | handle_debug(T, FormFunc, State, Event)];
handle_debug([{FuncId, {Func, FuncState}} | T], FormFunc, State, Event) ->
- case catch Func(FuncState, Event, State) of
+ try Func(FuncState, Event, State) of
done -> handle_debug(T, FormFunc, State, Event);
- {'EXIT', _} -> handle_debug(T, FormFunc, State, Event);
NFuncState ->
- [{FuncId, {Func, NFuncState}} | handle_debug(T, FormFunc, State, Event)]
+ [{FuncId, {Func, NFuncState}} |
+ handle_debug(T, FormFunc, State, Event)]
+ catch
+ done -> handle_debug(T, FormFunc, State, Event);
+ NFuncState ->
+ [{FuncId, {Func, NFuncState}} |
+ handle_debug(T, FormFunc, State, Event)];
+ _:_ -> handle_debug(T, FormFunc, State, Event)
end;
handle_debug([{Func, FuncState} | T], FormFunc, State, Event) ->
- case catch Func(FuncState, Event, State) of
+ try Func(FuncState, Event, State) of
done -> handle_debug(T, FormFunc, State, Event);
- {'EXIT', _} -> handle_debug(T, FormFunc, State, Event);
- NFuncState ->
+ NFuncState ->
[{Func, NFuncState} | handle_debug(T, FormFunc, State, Event)]
+ catch
+ done -> handle_debug(T, FormFunc, State, Event);
+ NFuncState ->
+ [{Func, NFuncState} | handle_debug(T, FormFunc, State, Event)];
+ _:_ -> handle_debug(T, FormFunc, State, Event)
end;
handle_debug([], _FormFunc, _State, _Event) ->
[].
@@ -526,19 +544,19 @@ debug_cmd({trace, true}, Debug) ->
debug_cmd({trace, false}, Debug) ->
{ok, remove_debug(trace, Debug)};
debug_cmd({log, true}, Debug) ->
- {_N, Logs} = get_debug(log, Debug, {0, []}),
- {ok, install_debug(log, {10, trim(10, Logs)}, Debug)};
-debug_cmd({log, {true, N}}, Debug) when is_integer(N), N > 0 ->
- {_N, Logs} = get_debug(log, Debug, {0, []}),
- {ok, install_debug(log, {N, trim(N, Logs)}, Debug)};
+ NLog = get_debug(log, Debug, nlog_new()),
+ {ok, install_debug(log, nlog_new(NLog), Debug)};
+debug_cmd({log, {true, N}}, Debug) when is_integer(N), 1 =< N ->
+ NLog = get_debug(log, Debug, nlog_new(N)),
+ {ok, install_debug(log, nlog_new(N, NLog), Debug)};
debug_cmd({log, false}, Debug) ->
{ok, remove_debug(log, Debug)};
debug_cmd({log, print}, Debug) ->
print_log(Debug),
{ok, Debug};
debug_cmd({log, get}, Debug) ->
- {_N, Logs} = get_debug(log, Debug, {0, []}),
- {{ok, lists:reverse(Logs)}, Debug};
+ NLog = get_debug(log, Debug, nlog_new()),
+ {{ok, [Event || {Event, _State, _FormFunc} <- nlog_get(NLog)]}, Debug};
debug_cmd({log_to_file, false}, Debug) ->
NDebug = close_log_file(Debug),
{ok, NDebug};
@@ -595,9 +613,6 @@ stat({out, _Msg, _To}, {Time, Reds, In, Out}) -> {Time, Reds, In, Out+1};
stat({out, _Msg, _To, _State}, {Time, Reds, In, Out}) -> {Time, Reds, In, Out+1};
stat(_, StatData) -> StatData.
-trim(N, LogData) ->
- lists:sublist(LogData, 1, N-1).
-
%%-----------------------------------------------------------------
%% Debug structure manipulating functions
%%-----------------------------------------------------------------
@@ -625,9 +640,14 @@ get_debug2(Item, Debug, Default) ->
-spec print_log(Debug) -> 'ok' when
Debug :: [dbg_opt()].
print_log(Debug) ->
- {_N, Logs} = get_debug(log, Debug, {0, []}),
- lists:foreach(fun print_event/1,
- lists:reverse(Logs)).
+ NLog = get_debug(log, Debug, nlog_new()),
+ lists:foreach(fun print_event/1, nlog_get(NLog)).
+
+-spec get_log(Debug) -> [system_event()] when
+ Debug :: [dbg_opt()].
+get_log(Debug) ->
+ NLog = get_debug(log, Debug, nlog_new()),
+ [Event || {Event, _State, _FormFunc} <- nlog_get(NLog)].
close_log_file(Debug) ->
case get_debug2(log_to_file, Debug, []) of
@@ -639,6 +659,74 @@ close_log_file(Debug) ->
end.
%%-----------------------------------------------------------------
+%% Keep the last N Log functions
+%%-----------------------------------------------------------------
+%%
+%% Streamlined Okasaki queue as base for "keep the last N" log.
+%%
+%% To the reverse list head we cons new items.
+%% The forward list contains elements in insertion order,
+%% so the head is the oldest and the one to drop off
+%% when the log is full.
+%%
+%% Here is how we can get away with only using one cons cell
+%% to wrap the forward and reverse list, and the log size:
+%%
+%% A full log does not need a counter; we just cons one
+%% and drop one:
+%%
+%% [ReverseList|ForwardList]
+%%
+%% A non-full log is filling up to N elements;
+%% use a down counter instead of a list as first element:
+%%
+%% [RemainingToFullCount|ReverseList]
+
+nlog_new() ->
+ nlog_new(10).
+%%
+nlog_new([_|_] = NLog) ->
+ nlog_new(10, NLog);
+nlog_new(N) ->
+ [N]. % Empty log size N >= 1
+%%
+nlog_new(N, NLog) ->
+ lists:foldl(
+ fun (Item, NL) -> nlog_put(Item, NL) end,
+ nlog_new(N),
+ nlog_get(NLog)).
+
+%%
+nlog_put(Item, NLog) ->
+ case NLog of
+ [R|FF] when is_list(R) ->
+ %% Full log
+ case FF of
+ [_|F] ->
+ %% Cons to reverse list, drop from forward list
+ [[Item|R]|F];
+ [] ->
+ %% Create new forward list from reverse list,
+ %% create new empty reverse list
+ [_|F] = lists:reverse(R, [Item]),
+ [[]|F]
+ end;
+ [1|R] ->
+ %% Log now gets full
+ [[Item|R]];
+ [J|R] ->
+ %% Filling up to N elements
+ [J - 1,Item|R]
+ end.
+
+nlog_get([[]|F]) ->
+ F;
+nlog_get([[_|_] = R|F]) ->
+ F ++ lists:reverse(R);
+nlog_get([_J|R]) ->
+ lists:reverse(R).
+
+%%-----------------------------------------------------------------
%% Func: debug_options/1
%% Purpose: Initiate a debug structure. Called by a process that
%% wishes to initiate the debug structure without the
@@ -665,9 +753,9 @@ debug_options(Options) ->
debug_options([trace | T], Debug) ->
debug_options(T, install_debug(trace, true, Debug));
debug_options([log | T], Debug) ->
- debug_options(T, install_debug(log, {10, []}, Debug));
+ debug_options(T, install_debug(log, nlog_new(), Debug));
debug_options([{log, N} | T], Debug) when is_integer(N), N > 0 ->
- debug_options(T, install_debug(log, {N, []}, Debug));
+ debug_options(T, install_debug(log, nlog_new(N), Debug));
debug_options([statistics | T], Debug) ->
debug_options(T, install_debug(statistics, init_stat(), Debug));
debug_options([{log_to_file, FileName} | T], Debug) ->
diff --git a/lib/stdlib/src/uri_string.erl b/lib/stdlib/src/uri_string.erl
index f07307c039..d33dc89af8 100644
--- a/lib/stdlib/src/uri_string.erl
+++ b/lib/stdlib/src/uri_string.erl
@@ -415,7 +415,7 @@ transcode(URIString, Options) when is_list(URIString) ->
%% (application/x-www-form-urlencoded encoding algorithm)
%%-------------------------------------------------------------------------
-spec compose_query(QueryList) -> QueryString when
- QueryList :: [{unicode:chardata(), unicode:chardata()}],
+ QueryList :: [{unicode:chardata(), unicode:chardata() | true}],
QueryString :: uri_string()
| error().
compose_query(List) ->
@@ -423,7 +423,7 @@ compose_query(List) ->
-spec compose_query(QueryList, Options) -> QueryString when
- QueryList :: [{unicode:chardata(), unicode:chardata()}],
+ QueryList :: [{unicode:chardata(), unicode:chardata() | true}],
Options :: [{encoding, atom()}],
QueryString :: uri_string()
| error().
@@ -435,6 +435,11 @@ compose_query(List, Options) ->
throw:{error, Atom, RestData} -> {error, Atom, RestData}
end.
%%
+compose_query([{Key,true}|Rest], Options, IsList, Acc) ->
+ Separator = get_separator(Rest),
+ K = form_urlencode(Key, Options),
+ IsListNew = IsList orelse is_list(Key),
+ compose_query(Rest, Options, IsListNew, <<Acc/binary,K/binary,Separator/binary>>);
compose_query([{Key,Value}|Rest], Options, IsList, Acc) ->
Separator = get_separator(Rest),
K = form_urlencode(Key, Options),
@@ -454,7 +459,7 @@ compose_query([], _Options, IsList, Acc) ->
%%-------------------------------------------------------------------------
-spec dissect_query(QueryString) -> QueryList when
QueryString :: uri_string(),
- QueryList :: [{unicode:chardata(), unicode:chardata()}]
+ QueryList :: [{unicode:chardata(), unicode:chardata() | true}]
| error().
dissect_query(<<>>) ->
[];
@@ -1889,13 +1894,12 @@ dissect_query_key(<<$=,T/binary>>, IsList, Acc, Key, Value) ->
dissect_query_value(T, IsList, Acc, Key, Value);
dissect_query_key(<<"&#",T/binary>>, IsList, Acc, Key, Value) ->
dissect_query_key(T, IsList, Acc, <<Key/binary,"&#">>, Value);
-dissect_query_key(<<$&,_T/binary>>, _IsList, _Acc, _Key, _Value) ->
- throw({error, missing_value, "&"});
+dissect_query_key(T = <<$&,_/binary>>, IsList, Acc, Key, <<>>) ->
+ dissect_query_value(T, IsList, Acc, Key, true);
dissect_query_key(<<H,T/binary>>, IsList, Acc, Key, Value) ->
dissect_query_key(T, IsList, Acc, <<Key/binary,H>>, Value);
-dissect_query_key(B, _, _, _, _) ->
- throw({error, missing_value, B}).
-
+dissect_query_key(T = <<>>, IsList, Acc, Key, <<>>) ->
+ dissect_query_value(T, IsList, Acc, Key, true).
dissect_query_value(<<$&,T/binary>>, IsList, Acc, Key, Value) ->
K = form_urldecode(IsList, Key),
@@ -1908,9 +1912,10 @@ dissect_query_value(<<>>, IsList, Acc, Key, Value) ->
V = form_urldecode(IsList, Value),
lists:reverse([{K,V}|Acc]).
-
%% HTML 5.2 - 4.10.21.6 URL-encoded form data - WHATWG URL (10 Jan 2018) - UTF-8
%% HTML 5.0 - 4.10.22.6 URL-encoded form data - decoding (non UTF-8)
+form_urldecode(_, true) ->
+ true;
form_urldecode(true, B) ->
Result = base10_decode(form_urldecode(B, <<>>)),
convert_to_list(Result, utf8);
generated by cgit v1.2.3 (git 2.25.1) at 2025-05-05 20:25:10 +0000