diff options
Diffstat (limited to 'lib/stdlib/src')
-rw-r--r-- | lib/stdlib/src/erl_internal.erl | 2 | ||||
-rw-r--r-- | lib/stdlib/src/erl_lint.erl | 60 | ||||
-rw-r--r-- | lib/stdlib/src/gen_statem.erl | 120 | ||||
-rw-r--r-- | lib/stdlib/src/ms_transform.erl | 3 | ||||
-rw-r--r-- | lib/stdlib/src/otp_internal.erl | 3 |
5 files changed, 90 insertions, 98 deletions
diff --git a/lib/stdlib/src/erl_internal.erl b/lib/stdlib/src/erl_internal.erl index 89b97b901e..6d3d5baa23 100644 --- a/lib/stdlib/src/erl_internal.erl +++ b/lib/stdlib/src/erl_internal.erl @@ -76,6 +76,7 @@ guard_bif(floor, 1) -> true; guard_bif(hd, 1) -> true; guard_bif(length, 1) -> true; guard_bif(map_size, 1) -> true; +guard_bif(map_get, 2) -> true; guard_bif(node, 0) -> true; guard_bif(node, 1) -> true; guard_bif(round, 1) -> true; @@ -337,6 +338,7 @@ bif(list_to_tuple, 1) -> true; bif(load_module, 2) -> true; bif(make_ref, 0) -> true; bif(map_size,1) -> true; +bif(map_get,2) -> true; bif(max,2) -> true; bif(min,2) -> true; bif(module_loaded, 1) -> true; diff --git a/lib/stdlib/src/erl_lint.erl b/lib/stdlib/src/erl_lint.erl index 9a62d21d34..79dc6ce180 100644 --- a/lib/stdlib/src/erl_lint.erl +++ b/lib/stdlib/src/erl_lint.erl @@ -93,13 +93,6 @@ value_option(Flag, Default, On, OnVal, Off, OffVal, Opts) -> }). -%% Are we outside or inside a catch or try/catch? --type catch_scope() :: 'none' - | 'after_old_catch' - | 'after_try' - | 'wrong_part_of_try' - | 'try_catch'. - %% Define the lint state record. %% 'called' and 'exports' contain {Line, {Function, Arity}}, %% the other function collections contain {Function, Arity}. @@ -144,9 +137,7 @@ value_option(Flag, Default, On, OnVal, Off, OffVal, Opts) -> :: dict:dict(ta(), #typeinfo{}), exp_types=gb_sets:empty() %Exported types :: gb_sets:set(ta()), - in_try_head=false :: boolean(), %In a try head. - catch_scope = none %Inside/outside try or catch - :: catch_scope() + in_try_head=false :: boolean() %In a try head. }). -type lint_state() :: #lint{}. @@ -233,15 +224,6 @@ format_error({redefine_old_bif_import,{F,A}}) -> format_error({redefine_bif_import,{F,A}}) -> io_lib:format("import directive overrides auto-imported BIF ~w/~w~n" " - use \"-compile({no_auto_import,[~w/~w]}).\" to resolve name clash", [F,A,F,A]); -format_error({get_stacktrace,wrong_part_of_try}) -> - "erlang:get_stacktrace/0 used in the wrong part of 'try' expression. " - "(Use it in the block between 'catch' and 'end'.)"; -format_error({get_stacktrace,after_old_catch}) -> - "erlang:get_stacktrace/0 used following an old-style 'catch' " - "may stop working in a future release. (Use it inside 'try'.)"; -format_error({get_stacktrace,after_try}) -> - "erlang:get_stacktrace/0 used following a 'try' expression " - "may stop working in a future release. (Use it inside 'try'.)"; format_error({deprecated, MFA, ReplacementMFA, Rel}) -> io_lib:format("~s is deprecated and will be removed in ~s; use ~s", [format_mfa(MFA), Rel, format_mfa(ReplacementMFA)]); @@ -591,10 +573,7 @@ start(File, Opts) -> false, Opts)}, {missing_spec_all, bool_option(warn_missing_spec_all, nowarn_missing_spec_all, - false, Opts)}, - {get_stacktrace, - bool_option(warn_get_stacktrace, nowarn_get_stacktrace, - true, Opts)} + false, Opts)} ], Enabled1 = [Category || {Category,true} <- Enabled0], Enabled = ordsets:from_list(Enabled1), @@ -1426,7 +1405,7 @@ call_function(Line, F, A, #lint{usage=Usage0,called=Cd,func=Func,file=File}=St) %% function(Line, Name, Arity, Clauses, State) -> State. function(Line, Name, Arity, Cs, St0) -> - St1 = St0#lint{func={Name,Arity},catch_scope=none}, + St1 = St0#lint{func={Name,Arity}}, St2 = define_function(Line, Name, Arity, St1), clauses(Cs, St2). @@ -2367,7 +2346,7 @@ expr({call,Line,F,As}, Vt, St0) -> expr({'try',Line,Es,Scs,Ccs,As}, Vt, St0) -> %% Currently, we don't allow any exports because later %% passes cannot handle exports in combination with 'after'. - {Evt0,St1} = exprs(Es, Vt, St0#lint{catch_scope=wrong_part_of_try}), + {Evt0,St1} = exprs(Es, Vt, St0), TryLine = {'try',Line}, Uvt = vtunsafe(TryLine, Evt0, Vt), Evt1 = vtupdate(Uvt, Evt0), @@ -2379,12 +2358,11 @@ expr({'try',Line,Es,Scs,Ccs,As}, Vt, St0) -> {Avt0,St} = exprs(As, vtupdate(Evt2, Vt), St2), Avt1 = vtupdate(vtunsafe(TryLine, Avt0, Vt), Avt0), Avt = vtmerge(Evt2, Avt1), - {Avt,St#lint{catch_scope=after_try}}; + {Avt,St}; expr({'catch',Line,E}, Vt, St0) -> %% No new variables added, flag new variables as unsafe. {Evt,St} = expr(E, Vt, St0), - {vtupdate(vtunsafe({'catch',Line}, Evt, Vt), Evt), - St#lint{catch_scope=after_old_catch}}; + {vtupdate(vtunsafe({'catch',Line}, Evt, Vt), Evt),St}; expr({match,_Line,P,E}, Vt, St0) -> {Evt,St1} = expr(E, Vt, St0), {Pvt,Bvt,St2} = pattern(P, vtupdate(Evt, Vt), St1), @@ -3223,7 +3201,7 @@ is_module_dialyzer_option(Option) -> try_clauses(Scs, Ccs, In, Vt, St0) -> {Csvt0,St1} = icrt_clauses(Scs, Vt, St0), - St2 = St1#lint{catch_scope=try_catch,in_try_head=true}, + St2 = St1#lint{in_try_head=true}, {Csvt1,St3} = icrt_clauses(Ccs, Vt, St2), Csvt = Csvt0 ++ Csvt1, UpdVt = icrt_export(Csvt, Vt, In, St3), @@ -3243,7 +3221,7 @@ icrt_clauses(Cs, In, Vt, St0) -> icrt_clauses(Cs, Vt, St) -> mapfoldl(fun (C, St0) -> icrt_clause(C, Vt, St0) end, St, Cs). -icrt_clause({clause,_Line,H,G,B}, Vt0, #lint{catch_scope=Scope}=St0) -> +icrt_clause({clause,_Line,H,G,B}, Vt0, St0) -> Vt1 = taint_stack_var(Vt0, H, St0), {Hvt,Binvt,St1} = head(H, Vt1, St0), Vt2 = vtupdate(Hvt, Binvt), @@ -3251,7 +3229,7 @@ icrt_clause({clause,_Line,H,G,B}, Vt0, #lint{catch_scope=Scope}=St0) -> {Gvt,St2} = guard(G, vtupdate(Vt3, Vt0), St1#lint{in_try_head=false}), Vt4 = vtupdate(Gvt, Vt2), {Bvt,St3} = exprs(B, vtupdate(Vt4, Vt0), St2), - {vtupdate(Bvt, Vt4),St3#lint{catch_scope=Scope}}. + {vtupdate(Bvt, Vt4),St3}. taint_stack_var(Vt, Pat, #lint{in_try_head=true}) -> [{tuple,_,[_,_,{var,_,Stk}]}] = Pat, @@ -3736,8 +3714,7 @@ has_wildcard_field([]) -> false. check_remote_function(Line, M, F, As, St0) -> St1 = deprecated_function(Line, M, F, As, St0), St2 = check_qlc_hrl(Line, M, F, As, St1), - St3 = check_get_stacktrace(Line, M, F, As, St2), - format_function(Line, M, F, As, St3). + format_function(Line, M, F, As, St2). %% check_qlc_hrl(Line, ModName, FuncName, [Arg], State) -> State %% Add warning if qlc:q/1,2 has been called but qlc.hrl has not @@ -3786,23 +3763,6 @@ deprecated_function(Line, M, F, As, St) -> St end. -check_get_stacktrace(Line, erlang, get_stacktrace, [], St) -> - case St of - #lint{catch_scope=none} -> - St; - #lint{catch_scope=try_catch} -> - St; - #lint{catch_scope=Scope} -> - case is_warn_enabled(get_stacktrace, St) of - false -> - St; - true -> - add_warning(Line, {get_stacktrace,Scope}, St) - end - end; -check_get_stacktrace(_, _, _, _, St) -> - St. - -dialyzer({no_match, deprecated_type/5}). deprecated_type(L, M, N, As, St) -> diff --git a/lib/stdlib/src/gen_statem.erl b/lib/stdlib/src/gen_statem.erl index 7f5d82cc21..f7dc0050b3 100644 --- a/lib/stdlib/src/gen_statem.erl +++ b/lib/stdlib/src/gen_statem.erl @@ -143,7 +143,7 @@ timeout_action() | reply_action(). -type timeout_action() :: - (Timeout :: event_timeout()) | % {timeout,Timeout} + (Time :: event_timeout()) | % {timeout,Time,Time} {'timeout', % Set the event_timeout option Time :: event_timeout(), EventContent :: term()} | {'timeout', % Set the event_timeout option @@ -327,7 +327,8 @@ %% Type validation functions -compile( {inline, - [callback_mode/1, state_enter/1, from/1, event_type/1]}). + [callback_mode/1, state_enter/1, + event_type/1, from/1, timeout_event_type/1]}). %% callback_mode(CallbackMode) -> case CallbackMode of @@ -344,23 +345,26 @@ state_enter(StateEnter) -> false end. %% -from({Pid,_}) when is_pid(Pid) -> true; -from(_) -> false. -%% -event_type({call,From}) -> - from(From); event_type(Type) -> case Type of {call,From} -> from(From); + %% cast -> true; info -> true; - timeout -> true; - state_timeout -> true; internal -> true; - {timeout,_} -> true; - _ -> false + _ -> timeout_event_type(Type) + end. +%% +from({Pid,_}) when is_pid(Pid) -> true; +from(_) -> false. +%% +timeout_event_type(Type) -> + case Type of + timeout -> true; + state_timeout -> true; + {timeout,_Name} -> true; + _ -> false end. - -define( @@ -1056,6 +1060,15 @@ loop_event_result( Parent, Debug, S, Events, Event, NextState, NewData, TransOpts, [], true); + {next_state,_NextState,_NewData} -> + terminate( + error, + {bad_state_enter_return_from_state_function,Result}, + ?STACKTRACE(), Debug, + S#state{ + state = State, data = Data, + hibernate = hibernate_in_trans_opts(TransOpts)}, + [Event|Events]); {next_state,State,NewData,Actions} -> loop_event_actions( Parent, Debug, S, @@ -1067,6 +1080,15 @@ loop_event_result( Parent, Debug, S, Events, Event, NextState, NewData, TransOpts, Actions, true); + {next_state,_NextState,_NewData,_Actions} -> + terminate( + error, + {bad_state_enter_return_from_state_function,Result}, + ?STACKTRACE(), Debug, + S#state{ + state = State, data = Data, + hibernate = hibernate_in_trans_opts(TransOpts)}, + [Event|Events]); %% {keep_state,NewData} -> loop_event_actions( @@ -1160,12 +1182,6 @@ loop_event_result( [Event|Events]) end. --compile({inline, [hibernate_in_trans_opts/1]}). -hibernate_in_trans_opts(false) -> - (#trans_opts{})#trans_opts.hibernate; -hibernate_in_trans_opts(#trans_opts{hibernate = Hibernate}) -> - Hibernate. - %% Ensure that Actions are a list loop_event_actions( Parent, Debug, S, @@ -1198,10 +1214,16 @@ loop_event_actions_list( S#state{ state = NextState, data = NewerData, - hibernate = TransOpts#trans_opts.hibernate}, + hibernate = hibernate_in_trans_opts(TransOpts)}, [Event|Events]) end. +-compile({inline, [hibernate_in_trans_opts/1]}). +hibernate_in_trans_opts(false) -> + (#trans_opts{})#trans_opts.hibernate; +hibernate_in_trans_opts(#trans_opts{hibernate = Hibernate}) -> + Hibernate. + parse_actions(false, Debug, S, Actions) -> parse_actions(true, Debug, S, Actions, #trans_opts{}); parse_actions(TransOpts, Debug, S, Actions) -> @@ -1234,6 +1256,11 @@ parse_actions(StateCall, Debug, S, [Action|Actions], TransOpts) -> parse_actions( StateCall, Debug, S, Actions, TransOpts#trans_opts{postpone = true}); + postpone -> + [error, + {bad_state_enter_action_from_state_function,Action}, + ?STACKTRACE(), + Debug]; %% {next_event,Type,Content} -> parse_actions_next_event( @@ -1286,7 +1313,8 @@ parse_actions_next_event( next_events_r = [{Type,Content}|NextEventsR]}); _ -> [error, - {bad_action_from_state_function,{next_event,Type,Content}}, + {bad_state_enter_action_from_state_function, + {next_event,Type,Content}}, ?STACKTRACE(), ?not_sys_debug] end; @@ -1303,22 +1331,23 @@ parse_actions_next_event( next_events_r = [{Type,Content}|NextEventsR]}); _ -> [error, - {bad_action_from_state_function,{next_event,Type,Content}}, + {bad_state_enter_action_from_state_function, + {next_event,Type,Content}}, ?STACKTRACE(), Debug] end. parse_actions_timeout( StateCall, Debug, S, Actions, TransOpts, - {TimerType,Time,TimerMsg,TimerOpts} = AbsoluteTimeout) -> + {TimeoutType,Time,TimerMsg,TimerOpts} = AbsoluteTimeout) -> %% - case classify_timer(Time, listify(TimerOpts)) of + case classify_timeout(TimeoutType, Time, listify(TimerOpts)) of absolute -> parse_actions_timeout_add( StateCall, Debug, S, Actions, TransOpts, AbsoluteTimeout); relative -> - RelativeTimeout = {TimerType,Time,TimerMsg}, + RelativeTimeout = {TimeoutType,Time,TimerMsg}, parse_actions_timeout_add( StateCall, Debug, S, Actions, TransOpts, RelativeTimeout); @@ -1330,8 +1359,8 @@ parse_actions_timeout( end; parse_actions_timeout( StateCall, Debug, S, Actions, TransOpts, - {_,Time,_} = RelativeTimeout) -> - case classify_timer(Time, []) of + {TimeoutType,Time,_} = RelativeTimeout) -> + case classify_timeout(TimeoutType, Time, []) of relative -> parse_actions_timeout_add( StateCall, Debug, S, Actions, @@ -1344,14 +1373,16 @@ parse_actions_timeout( end; parse_actions_timeout( StateCall, Debug, S, Actions, TransOpts, - Timeout) -> - case classify_timer(Timeout, []) of + Time) -> + case classify_timeout(timeout, Time, []) of relative -> + RelativeTimeout = {timeout,Time,Time}, parse_actions_timeout_add( - StateCall, Debug, S, Actions, TransOpts, Timeout); + StateCall, Debug, S, Actions, + TransOpts, RelativeTimeout); badarg -> [error, - {bad_action_from_state_function,Timeout}, + {bad_action_from_state_function,Time}, ?STACKTRACE(), Debug] end. @@ -1637,10 +1668,15 @@ call_state_function( %% -> absolute | relative | badarg -classify_timer(Time, Opts) -> - classify_timer(Time, Opts, false). -%% -classify_timer(Time, [], Abs) -> +classify_timeout(TimeoutType, Time, Opts) -> + case timeout_event_type(TimeoutType) of + true -> + classify_time(false, Time, Opts); + false -> + badarg + end. + +classify_time(Abs, Time, []) -> case Abs of true when is_integer(Time); @@ -1653,9 +1689,9 @@ classify_timer(Time, [], Abs) -> _ -> badarg end; -classify_timer(Time, [{abs,Abs}|Opts], _) when is_boolean(Abs) -> - classify_timer(Time, Opts, Abs); -classify_timer(_, Opts, _) when is_list(Opts) -> +classify_time(_, Time, [{abs,Abs}|Opts]) when is_boolean(Abs) -> + classify_time(Abs, Time, Opts); +classify_time(_, _, Opts) when is_list(Opts) -> badarg. %% Stop and start timers as well as create timeout zero events @@ -1686,15 +1722,7 @@ parse_timers( {TimerType,Time,TimerMsg} -> parse_timers( TimerRefs, Timers, TimeoutsR, Seen, TimeoutEvents, - TimerType, Time, TimerMsg, []); - 0 -> - parse_timers( - TimerRefs, Timers, TimeoutsR, Seen, TimeoutEvents, - timeout, zero, 0, []); - Time -> - parse_timers( - TimerRefs, Timers, TimeoutsR, Seen, TimeoutEvents, - timeout, Time, Time, []) + TimerType, Time, TimerMsg, []) end. parse_timers( diff --git a/lib/stdlib/src/ms_transform.erl b/lib/stdlib/src/ms_transform.erl index 6616e957c0..ec8cfd56c2 100644 --- a/lib/stdlib/src/ms_transform.erl +++ b/lib/stdlib/src/ms_transform.erl @@ -944,6 +944,7 @@ real_guard_function(node,1) -> true; real_guard_function(round,1) -> true; real_guard_function(size,1) -> true; real_guard_function(map_size,1) -> true; +real_guard_function(map_get,2) -> true; real_guard_function(tl,1) -> true; real_guard_function(trunc,1) -> true; real_guard_function(self,0) -> true; @@ -1115,5 +1116,3 @@ normalise_list([H|T]) -> [normalise(H)|normalise_list(T)]; normalise_list([]) -> []. - - diff --git a/lib/stdlib/src/otp_internal.erl b/lib/stdlib/src/otp_internal.erl index 5b488cc677..a17addcc42 100644 --- a/lib/stdlib/src/otp_internal.erl +++ b/lib/stdlib/src/otp_internal.erl @@ -604,6 +604,9 @@ obsolete_1(filename, find_src, 1) -> obsolete_1(filename, find_src, 2) -> {deprecated, "deprecated; use filelib:find_source/3 instead"}; +obsolete_1(erlang, get_stacktrace, 0) -> + {deprecated, "deprecated; use the new try/catch syntax for retrieving the stack backtrace"}; + %% Removed in OTP 20. obsolete_1(erlang, hash, 2) -> |