diff options
Diffstat (limited to 'lib/stdlib')
33 files changed, 1098 insertions, 810 deletions
diff --git a/lib/stdlib/doc/src/assert_hrl.xml b/lib/stdlib/doc/src/assert_hrl.xml index ea23cca2ee..33f29f38da 100644 --- a/lib/stdlib/doc/src/assert_hrl.xml +++ b/lib/stdlib/doc/src/assert_hrl.xml @@ -93,7 +93,7 @@ erlc -DNOASSERT=true *.erl</code> <taglist> <tag><c>assert(BoolExpr)</c></tag> <item></item> - <tag><c>URKAassert(BoolExpr, Comment)</c></tag> + <tag><c>assert(BoolExpr, Comment)</c></tag> <item> <p>Tests that <c>BoolExpr</c> completes normally returning <c>true</c>.</p> diff --git a/lib/stdlib/doc/src/digraph.xml b/lib/stdlib/doc/src/digraph.xml index 5332d7aba5..db96beed6c 100644 --- a/lib/stdlib/doc/src/digraph.xml +++ b/lib/stdlib/doc/src/digraph.xml @@ -170,6 +170,10 @@ <p>If the edge would create a cycle in an <seealso marker="#acyclic_digraph">acyclic digraph</seealso>, <c>{error, {bad_edge, <anno>Path</anno>}}</c> is returned. + If <c><anno>G</anno></c> already has an edge with value + <c><anno>E</anno></c> connecting a different pair of vertices, + <c>{error, {bad_edge, [<anno>V1</anno>, <anno>V2</anno>]}}</c> + is returned. If either of <c><anno>V1</anno></c> or <c><anno>V2</anno></c> is not a vertex of digraph <c><anno>G</anno></c>, <c>{error, {bad_vertex, </c><anno>V</anno><c>}}</c> is diff --git a/lib/stdlib/doc/src/ets.xml b/lib/stdlib/doc/src/ets.xml index 576959b1c8..51e35cd2df 100644 --- a/lib/stdlib/doc/src/ets.xml +++ b/lib/stdlib/doc/src/ets.xml @@ -963,11 +963,11 @@ ets:is_compiled_ms(Broken).</code> <func> <name name="match_spec_run" arity="2"/> <fsummary>Perform matching, using a compiled match specification on a - list of tuples.</fsummary> + list of terms.</fsummary> <desc> <p>Executes the matching specified in a compiled <seealso marker="#match_spec">match specification</seealso> on a list - of tuples. Term <c><anno>CompiledMatchSpec</anno></c> is to be + of terms. Term <c><anno>CompiledMatchSpec</anno></c> is to be the result of a call to <seealso marker="#match_spec_compile/1"> <c>match_spec_compile/1</c></seealso> and is hence the internal representation of the match specification one wants to use.</p> @@ -985,7 +985,7 @@ Table = ets:new... MatchSpec = ... % The following call... ets:match_spec_run(ets:tab2list(Table), -ets:match_spec_compile(MatchSpec)), + ets:match_spec_compile(MatchSpec)), % ...gives the same result as the more common (and more efficient) ets:select(Table, MatchSpec),</code> <note> diff --git a/lib/stdlib/doc/src/filelib.xml b/lib/stdlib/doc/src/filelib.xml index 80c4acffdb..11762a3c5a 100644 --- a/lib/stdlib/doc/src/filelib.xml +++ b/lib/stdlib/doc/src/filelib.xml @@ -4,7 +4,7 @@ <erlref> <header> <copyright> - <year>2003</year><year>2017</year> + <year>2003</year><year>2018</year> <holder>Ericsson AB. All Rights Reserved.</holder> </copyright> <legalnotice> @@ -267,7 +267,7 @@ filelib:wildcard("lib/**/*.{erl,hrl}")</code> for a file with the extension <c>.beam</c>, the default rule is to look for a file with a corresponding extension <c>.erl</c> by replacing the suffix <c>"ebin"</c> of the object directory path with - <c>"src"</c>. + <c>"src"</c> or <c>"src/*"</c>. The file search is done through <seealso marker="#find_file/3"><c>find_file/3</c></seealso>. The directory of the object file is always tried before any other directory specified diff --git a/lib/stdlib/doc/src/filename.xml b/lib/stdlib/doc/src/filename.xml index 14fd5ef787..1135a6dd80 100644 --- a/lib/stdlib/doc/src/filename.xml +++ b/lib/stdlib/doc/src/filename.xml @@ -4,7 +4,7 @@ <erlref> <header> <copyright> - <year>1997</year><year>2017</year> + <year>1997</year><year>2018</year> <holder>Ericsson AB. All Rights Reserved.</holder> </copyright> <legalnotice> @@ -372,15 +372,18 @@ true tuples <c>{<anno>BinSuffix</anno>, <anno>SourceSuffix</anno>}</c> and is interpreted as follows: if the end of the directory name where the object is located matches <c><anno>BinSuffix</anno></c>, then the - source code directory has the same name, but with - <c><anno>BinSuffix</anno></c> replaced by - <c><anno>SourceSuffix</anno></c>. <c><anno>Rules</anno></c> defaults + name created by replacing <c><anno>BinSuffix</anno></c> with + <c><anno>SourceSuffix</anno></c> is expanded by calling + <seealso marker="filelib#wildcard/1"> + <c>filelib:wildcard/1</c></seealso>. + If a regular file is found among the matches, the function + returns that location together with <c><anno>Options</anno></c>. + Otherwise the next rule is tried, and so on.</p> + <p><c><anno>Rules</anno></c> defaults to:</p> <code type="none"> -[{"", ""}, {"ebin", "src"}, {"ebin", "esrc"}]</code> - <p>If the source file is found in the resulting directory, the function - returns that location together with <c><anno>Options</anno></c>. - Otherwise the next rule is tried, and so on.</p> +[{"", ""}, {"ebin", "src"}, {"ebin", "esrc"}, + {"ebin", "src/*"}, {"ebin", "esrc/*"}]</code> <p>The function returns <c>{<anno>SourceFile</anno>, <anno>Options</anno>}</c> if it succeeds. <c><anno>SourceFile</anno></c> is the absolute path to the source diff --git a/lib/stdlib/doc/src/gen_statem.xml b/lib/stdlib/doc/src/gen_statem.xml index a7caa71dcb..574f488e91 100644 --- a/lib/stdlib/doc/src/gen_statem.xml +++ b/lib/stdlib/doc/src/gen_statem.xml @@ -543,7 +543,23 @@ handle_event(_, _, State, Data) -> <name name="event_type"/> <desc> <p> - External events are of three types: + There are 3 categories of events: + <seealso marker="#type-external_event_type">external</seealso>, + <seealso marker="#type-timeout_event_type">timeout</seealso>, + and <c>internal</c>. + </p> + <p> + <c>internal</c> events can only be generated by the + state machine itself through the state transition action + <seealso marker="#type-action"><c>next_event</c></seealso>. + </p> + </desc> + </datatype> + <datatype> + <name name="external_event_type"/> + <desc> + <p> + External events are of 3 types: <c>{call,<anno>From</anno>}</c>, <c>cast</c>, or <c>info</c>. <seealso marker="#call/2">Calls</seealso> (synchronous) and @@ -551,12 +567,17 @@ handle_event(_, _, State, Data) -> originate from the corresponding API functions. For calls, the event contains whom to reply to. Type <c>info</c> originates from regular process messages sent - to the <c>gen_statem</c>. The state machine - implementation can, in addition to the above, - generate - <seealso marker="#type-event_type"><c>events of types</c></seealso> - <c>timeout</c>, <c>{timeout,<anno>Name</anno>}</c>, - <c>state_timeout</c>, and <c>internal</c> to itself. + to the <c>gen_statem</c>. + </p> + </desc> + </datatype> + <datatype> + <name name="timeout_event_type"/> + <desc> + <p> + There are 3 types of timeout events that the state machine + can generate for itself with the corresponding + <seealso marker="#type-timeout_action">timeout_action()</seealso>s. </p> </desc> </datatype> @@ -1026,6 +1047,25 @@ handle_event(_, _, State, Data) -> for this state transition. </p> </item> + </taglist> + </desc> + </datatype> + <datatype> + <name name="timeout_action"/> + <desc> + <p> + These state transition actions can be invoked by + returning them from the + <seealso marker="#state callback">state callback</seealso>, from + <seealso marker="#Module:init/1"><c>Module:init/1</c></seealso> + or by giving them to + <seealso marker="#enter_loop/5"><c>enter_loop/5,6</c></seealso>. + </p> + <p> + These timeout actions sets timeout + <seealso marker="#type-transition_option">transition options</seealso>. + </p> + <taglist> <tag><c>Timeout</c></tag> <item> <p> diff --git a/lib/stdlib/doc/src/timer.xml b/lib/stdlib/doc/src/timer.xml index fcaccdb2cb..350847bf7d 100644 --- a/lib/stdlib/doc/src/timer.xml +++ b/lib/stdlib/doc/src/timer.xml @@ -270,7 +270,7 @@ <item> <p>Evaluates <c>apply(<anno>Module</anno>, <anno>Function</anno>, <anno>Arguments</anno>)</c> and measures the elapsed real time as - reported by <seealso marker="os:timestamp/0"> + reported by <seealso marker="kernel:os#timestamp/0"> <c>os:timestamp/0</c></seealso>.</p> <p>Returns <c>{<anno>Time</anno>, <anno>Value</anno>}</c>, where <c><anno>Time</anno></c> is the elapsed real time in diff --git a/lib/stdlib/src/epp.erl b/lib/stdlib/src/epp.erl index 31d0d499e3..b8e48bff6c 100644 --- a/lib/stdlib/src/epp.erl +++ b/lib/stdlib/src/epp.erl @@ -1,7 +1,7 @@ %% %% %CopyrightBegin% %% -%% Copyright Ericsson AB 1996-2017. All Rights Reserved. +%% Copyright Ericsson AB 1996-2018. 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. @@ -1194,21 +1194,21 @@ skip_else(_Else, From, St, Sis) -> %% macro_expansion(Tokens, Anno) %% Extract the macro parameters and the expansion from a macro definition. -macro_pars([{')',_Lp}, {',',Ld}|Ex], Args) -> - {ok, {lists:reverse(Args), macro_expansion(Ex, Ld)}}; -macro_pars([{var,_,Name}, {')',_Lp}, {',',Ld}|Ex], Args) -> +macro_pars([{')',_Lp}, {',',_Ld}=Comma|Ex], Args) -> + {ok, {lists:reverse(Args), macro_expansion(Ex, Comma)}}; +macro_pars([{var,_,Name}, {')',_Lp}, {',',_Ld}=Comma|Ex], Args) -> false = lists:member(Name, Args), %Prolog is nice - {ok, {lists:reverse([Name|Args]), macro_expansion(Ex, Ld)}}; + {ok, {lists:reverse([Name|Args]), macro_expansion(Ex, Comma)}}; macro_pars([{var,_L,Name}, {',',_}|Ts], Args) -> false = lists:member(Name, Args), macro_pars(Ts, [Name|Args]). -macro_expansion([{')',_Lp},{dot,_Ld}], _Anno0) -> []; -macro_expansion([{dot,_}=Dot], _Anno0) -> +macro_expansion([{')',_Lp},{dot,_Ld}], _T0) -> []; +macro_expansion([{dot,_}=Dot], _T0) -> throw({error,loc(Dot),missing_parenthesis}); -macro_expansion([T|Ts], _Anno0) -> +macro_expansion([T|Ts], _T0) -> [T|macro_expansion(Ts, T)]; -macro_expansion([], Anno0) -> throw({error,loc(Anno0),premature_end}). +macro_expansion([], T0) -> throw({error,loc(T0),premature_end}). %% expand_macros(Tokens, St) %% expand_macro(Tokens, MacroToken, RestTokens) diff --git a/lib/stdlib/src/erl_tar.erl b/lib/stdlib/src/erl_tar.erl index 76f0b38108..5ee584d612 100644 --- a/lib/stdlib/src/erl_tar.erl +++ b/lib/stdlib/src/erl_tar.erl @@ -189,7 +189,7 @@ table(Name) -> %% Returns a list of names of the files in the tar file Name. %% Options accepted: compressed, verbose, cooked. -spec table(open_handle(), [compressed | verbose | cooked]) -> - {ok, [tar_entry()]} | {error, term()}. + {ok, [string() | tar_entry()]} | {error, term()}. table(Name, Opts) when is_list(Opts) -> foldl_read(Name, fun table1/4, [], table_opts(Opts)). diff --git a/lib/stdlib/src/ets.erl b/lib/stdlib/src/ets.erl index 1db004c91e..42fa8ede92 100644 --- a/lib/stdlib/src/ets.erl +++ b/lib/stdlib/src/ets.erl @@ -277,7 +277,7 @@ match_spec_compile(_) -> erlang:nif_error(undef). -spec match_spec_run_r(List, CompiledMatchSpec, list()) -> list() when - List :: [tuple()], + List :: [term()], CompiledMatchSpec :: comp_match_spec(). match_spec_run_r(_, _, _) -> @@ -517,7 +517,7 @@ update_element(_, _, _) -> -opaque comp_match_spec() :: reference(). -spec match_spec_run(List, CompiledMatchSpec) -> list() when - List :: [tuple()], + List :: [term()], CompiledMatchSpec :: comp_match_spec(). match_spec_run(List, CompiledMS) -> diff --git a/lib/stdlib/src/filelib.erl b/lib/stdlib/src/filelib.erl index d7c313f214..a9c055f72d 100644 --- a/lib/stdlib/src/filelib.erl +++ b/lib/stdlib/src/filelib.erl @@ -1,7 +1,7 @@ %% %% %CopyrightBegin% %% -%% Copyright Ericsson AB 1997-2017. All Rights Reserved. +%% Copyright Ericsson AB 1997-2018. 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. @@ -544,17 +544,16 @@ default_search_rules() -> {"", ".c", c_source_search_rules()}, {"", ".in", basic_source_search_rules()}, %% plain old directory rules, backwards compatible - {"", ""}, - {"ebin","src"}, - {"ebin","esrc"} - ]. + {"", ""}] ++ erl_source_search_rules(). basic_source_search_rules() -> (erl_source_search_rules() ++ c_source_search_rules()). erl_source_search_rules() -> - [{"ebin","src"}, {"ebin","esrc"}]. + [{"ebin","src"}, {"ebin","esrc"}, + {"ebin",filename:join("src", "*")}, + {"ebin",filename:join("esrc", "*")}]. c_source_search_rules() -> [{"priv","c_src"}, {"priv","src"}, {"bin","c_src"}, {"bin","src"}, {"", "src"}]. @@ -634,8 +633,16 @@ try_dir_rule(Dir, Filename, From, To) -> Src = filename:join(NewDir, Filename), case is_regular(Src) of true -> {ok, Src}; - false -> error + false -> find_regular_file(wildcard(Src)) end; false -> error end. + +find_regular_file([]) -> + error; +find_regular_file([File|Files]) -> + case is_regular(File) of + true -> {ok, File}; + false -> find_regular_file(Files) + end. diff --git a/lib/stdlib/src/gen_event.erl b/lib/stdlib/src/gen_event.erl index a9b98911e2..73e4457bd0 100644 --- a/lib/stdlib/src/gen_event.erl +++ b/lib/stdlib/src/gen_event.erl @@ -1,7 +1,7 @@ %% %% %CopyrightBegin% %% -%% Copyright Ericsson AB 1996-2017. All Rights Reserved. +%% Copyright Ericsson AB 1996-2018. 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. @@ -125,7 +125,8 @@ | {'logfile', string()}. -type option() :: {'timeout', timeout()} | {'debug', [debug_flag()]} - | {'spawn_opt', [proc_lib:spawn_option()]}. + | {'spawn_opt', [proc_lib:spawn_option()]} + | {'hibernate_after', timeout()}. -type emgr_ref() :: atom() | {atom(), atom()} | {'global', atom()} | {'via', atom(), term()} | pid(). -type start_ret() :: {'ok', pid()} | {'error', term()}. diff --git a/lib/stdlib/src/gen_fsm.erl b/lib/stdlib/src/gen_fsm.erl index 96a53426e2..8c7db65563 100644 --- a/lib/stdlib/src/gen_fsm.erl +++ b/lib/stdlib/src/gen_fsm.erl @@ -1,7 +1,7 @@ %% %% %CopyrightBegin% %% -%% Copyright Ericsson AB 1996-2017. All Rights Reserved. +%% Copyright Ericsson AB 1996-2018. 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. @@ -198,7 +198,7 @@ %%% start(Name, Mod, Args, Options) %%% start_link(Mod, Args, Options) %%% start_link(Name, Mod, Args, Options) where: -%%% Name ::= {local, atom()} | {global, atom()} | {via, atom(), term()} +%%% Name ::= {local, atom()} | {global, term()} | {via, atom(), term()} %%% Mod ::= atom(), callback module implementing the 'real' fsm %%% Args ::= term(), init arguments (to Mod:init/1) %%% Options ::= [{debug, [Flag]}] diff --git a/lib/stdlib/src/gen_statem.erl b/lib/stdlib/src/gen_statem.erl index 1110d18af6..b1d99e2e14 100644 --- a/lib/stdlib/src/gen_statem.erl +++ b/lib/stdlib/src/gen_statem.erl @@ -1,7 +1,7 @@ %% %% %CopyrightBegin% %% -%% Copyright Ericsson AB 2016-2017. All Rights Reserved. +%% Copyright Ericsson AB 2016-2018. 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. @@ -78,9 +78,11 @@ -type data() :: term(). -type event_type() :: - {'call',From :: from()} | 'cast' | 'info' | - 'timeout' | {'timeout', Name :: term()} | 'state_timeout' | - 'internal'. + external_event_type() | timeout_event_type() | 'internal'. +-type external_event_type() :: + {'call',From :: from()} | 'cast' | 'info'. +-type timeout_event_type() :: + 'timeout' | {'timeout', Name :: term()} | 'state_timeout'. -type callback_mode_result() :: callback_mode() | [callback_mode() | state_enter()]. @@ -138,7 +140,9 @@ -type enter_action() :: 'hibernate' | % Set the hibernate option {'hibernate', Hibernate :: hibernate()} | - %% + timeout_action() | + reply_action(). +-type timeout_action() :: (Timeout :: event_timeout()) | % {timeout,Timeout} {'timeout', % Set the event_timeout option Time :: event_timeout(), EventContent :: term()} | @@ -159,9 +163,7 @@ {'state_timeout', % Set the state_timeout option Time :: state_timeout(), EventContent :: term(), - Options :: (timeout_option() | [timeout_option()])} | - %% - reply_action(). + Options :: (timeout_option() | [timeout_option()])}. -type reply_action() :: {'reply', % Reply to a caller From :: from(), Reply :: term()}. @@ -320,7 +322,13 @@ handle_event/4 % For callback_mode() =:= handle_event_function ]). + + %% Type validation functions +-compile( + {inline, + [callback_mode/1, state_enter/1, from/1, event_type/1]}). +%% callback_mode(CallbackMode) -> case CallbackMode of state_functions -> true; @@ -328,6 +336,14 @@ callback_mode(CallbackMode) -> _ -> false end. %% +state_enter(StateEnter) -> + case StateEnter of + state_enter -> + true; + _ -> + false + end. +%% from({Pid,_}) when is_pid(Pid) -> true; from(_) -> false. %% @@ -351,6 +367,48 @@ event_type(Type) -> STACKTRACE(), try throw(ok) catch _ -> erlang:get_stacktrace() end). +-define(not_sys_debug, []). +%% +%% This is a macro to only evaluate arguments if Debug =/= []. +%% Debug is evaluated multiple times. +-define( + sys_debug(Debug, NameState, Entry), + case begin Debug end of + ?not_sys_debug -> + begin Debug end; + _ -> + sys_debug(begin Debug end, begin NameState end, begin Entry end) + end). + +-record(state, + {callback_mode = undefined :: callback_mode() | undefined, + state_enter = false :: boolean(), + module :: atom(), + name :: atom(), + state :: term(), + data :: term(), + postponed = [] :: [{event_type(),term()}], + %% + timer_refs = #{} :: % timer ref => the timer's event type + #{reference() => timeout_event_type()}, + timer_types = #{} :: % timer's event type => timer ref + #{timeout_event_type() => reference()}, + cancel_timers = 0 :: non_neg_integer(), + %% We add a timer to both timer_refs and timer_types + %% when we start it. When we request an asynchronous + %% timer cancel we remove it from timer_types. When + %% the timer cancel message arrives we remove it from + %% timer_refs. + %% + hibernate = false :: boolean(), + hibernate_after = infinity :: timeout()}). + +-record(trans_opts, + {hibernate = false, + postpone = false, + timeouts_r = [], + next_events_r = []}). + %%%========================================================================== %%% API @@ -422,6 +480,10 @@ stop(ServerRef, Reason, Timeout) -> %% Send an event to a state machine that arrives with type 'event' -spec cast(ServerRef :: server_ref(), Msg :: term()) -> ok. +cast(ServerRef, Msg) when is_pid(ServerRef) -> + send(ServerRef, wrap_cast(Msg)); +cast(ServerRef, Msg) when is_atom(ServerRef) -> + send(ServerRef, wrap_cast(Msg)); cast({global,Name}, Msg) -> try global:send(Name, wrap_cast(Msg)) of _ -> ok @@ -435,10 +497,6 @@ cast({via,RegMod,Name}, Msg) -> _:_ -> ok end; cast({Name,Node} = ServerRef, Msg) when is_atom(Name), is_atom(Node) -> - send(ServerRef, wrap_cast(Msg)); -cast(ServerRef, Msg) when is_atom(ServerRef) -> - send(ServerRef, wrap_cast(Msg)); -cast(ServerRef, Msg) when is_pid(ServerRef) -> send(ServerRef, wrap_cast(Msg)). %% Call a state machine (synchronous; a reply is expected) that @@ -455,75 +513,18 @@ call(ServerRef, Request) -> {'clean_timeout',T :: timeout()} | {'dirty_timeout',T :: timeout()}) -> Reply :: term(). +call(ServerRef, Request, infinity = T = Timeout) -> + call_dirty(ServerRef, Request, Timeout, T); +call(ServerRef, Request, {dirty_timeout, T} = Timeout) -> + call_dirty(ServerRef, Request, Timeout, T); +call(ServerRef, Request, {clean_timeout, infinity = T} = Timeout) -> + call_dirty(ServerRef, Request, Timeout, T); +call(ServerRef, Request, {clean_timeout, T} = Timeout) -> + call_clean(ServerRef, Request, Timeout, T); +call(ServerRef, Request, {_, _} = Timeout) -> + erlang:error(badarg, [ServerRef,Request,Timeout]); call(ServerRef, Request, Timeout) -> - case parse_timeout(Timeout) of - {dirty_timeout,T} -> - try gen:call(ServerRef, '$gen_call', Request, T) of - {ok,Reply} -> - Reply - catch - Class:Reason -> - erlang:raise( - Class, - {Reason,{?MODULE,call,[ServerRef,Request,Timeout]}}, - erlang:get_stacktrace()) - end; - {clean_timeout,T} -> - %% Call server through proxy process to dodge any late reply - Ref = make_ref(), - Self = self(), - Pid = spawn( - fun () -> - Self ! - try gen:call( - ServerRef, '$gen_call', Request, T) of - Result -> - {Ref,Result} - catch Class:Reason -> - {Ref,Class,Reason, - erlang:get_stacktrace()} - end - end), - Mref = monitor(process, Pid), - receive - {Ref,Result} -> - demonitor(Mref, [flush]), - case Result of - {ok,Reply} -> - Reply - end; - {Ref,Class,Reason,Stacktrace} -> - demonitor(Mref, [flush]), - erlang:raise( - Class, - {Reason,{?MODULE,call,[ServerRef,Request,Timeout]}}, - Stacktrace); - {'DOWN',Mref,_,_,Reason} -> - %% There is a theoretical possibility that the - %% proxy process gets killed between try--of and ! - %% so this clause is in case of that - exit(Reason) - end; - Error when is_atom(Error) -> - erlang:error(Error, [ServerRef,Request,Timeout]) - end. - -parse_timeout(Timeout) -> - case Timeout of - {clean_timeout,infinity} -> - {dirty_timeout,infinity}; - {clean_timeout,_} -> - Timeout; - {dirty_timeout,_} -> - Timeout; - {_,_} -> - %% Be nice and throw a badarg for speling errors - badarg; - infinity -> - {dirty_timeout,infinity}; - T -> - {clean_timeout,T} - end. + call_clean(ServerRef, Request, Timeout, Timeout). %% Reply from a state machine callback to whom awaits in call/2 -spec reply([reply_action()] | reply_action()) -> ok. @@ -532,6 +533,7 @@ reply({reply,From,Reply}) -> reply(Replies) when is_list(Replies) -> replies(Replies). %% +-compile({inline, [reply/2]}). -spec reply(From :: from(), Reply :: term()) -> ok. reply({To,Tag}, Reply) when is_pid(To) -> Msg = {Tag,Reply}, @@ -581,9 +583,59 @@ enter_loop(Module, Opts, State, Data, Server, Actions) -> %%--------------------------------------------------------------------------- %% API helpers +-compile({inline, [wrap_cast/1]}). wrap_cast(Event) -> {'$gen_cast',Event}. +call_dirty(ServerRef, Request, Timeout, T) -> + try gen:call(ServerRef, '$gen_call', Request, T) of + {ok,Reply} -> + Reply + catch + Class:Reason -> + erlang:raise( + Class, + {Reason,{?MODULE,call,[ServerRef,Request,Timeout]}}, + erlang:get_stacktrace()) + end. + +call_clean(ServerRef, Request, Timeout, T) -> + %% Call server through proxy process to dodge any late reply + Ref = make_ref(), + Self = self(), + Pid = spawn( + fun () -> + Self ! + try gen:call( + ServerRef, '$gen_call', Request, T) of + Result -> + {Ref,Result} + catch Class:Reason -> + {Ref,Class,Reason, + erlang:get_stacktrace()} + end + end), + Mref = monitor(process, Pid), + receive + {Ref,Result} -> + demonitor(Mref, [flush]), + case Result of + {ok,Reply} -> + Reply + end; + {Ref,Class,Reason,Stacktrace} -> + demonitor(Mref, [flush]), + erlang:raise( + Class, + {Reason,{?MODULE,call,[ServerRef,Request,Timeout]}}, + Stacktrace); + {'DOWN',Mref,_,_,Reason} -> + %% There is a theoretical possibility that the + %% proxy process gets killed between try--of and ! + %% so this clause is in case of that + exit(Reason) + end. + replies([{reply,From,Reply}|Replies]) -> reply(From, Reply), replies(Replies); @@ -608,60 +660,28 @@ enter(Module, Opts, State, Data, Server, Actions, Parent) -> %% 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 = [], - P = [], + HibernateAfterTimeout = gen:hibernate_after(Opts), + Events = [], Event = {internal,init_state}, %% We enforce {postpone,false} to ensure that %% our fake Event gets discarded, thought it might get logged - NewActions = - if - is_list(Actions) -> - Actions ++ [{postpone,false}]; - true -> - [Actions,{postpone,false}] - end, - TimerRefs = #{}, - %% Key: timer ref - %% Value: the timer type i.e the timer's event type - %% - TimerTypes = #{}, - %% Key: timer type i.e the timer's event type - %% Value: timer ref - %% - %% We add a timer to both timer_refs and timer_types - %% when we start it. When we request an asynchronous - %% timer cancel we remove it from timer_types. When - %% the timer cancel message arrives we remove it from - %% timer_refs. - %% - Hibernate = false, - CancelTimers = 0, - S = #{ - callback_mode => undefined, - state_enter => false, - module => Module, - name => Name, - state => State, - data => Data, - postponed => P, - %% - %% The following fields are finally set from to the arguments to - %% loop_event_actions/9 when it finally loops back to loop/3 - %% in loop_event_result/11 - timer_refs => TimerRefs, - timer_types => TimerTypes, - hibernate => Hibernate, - hibernate_after => HibernateAfterTimeout, - cancel_timers => CancelTimers - }, - NewDebug = sys_debug(Debug, S, State, {enter,Event,State}), + NewActions = listify(Actions) ++ [{postpone,false}], + S = + #state{ + module = Module, + name = Name, + state = State, + data = Data, + hibernate_after = HibernateAfterTimeout}, + CallEnter = true, + NewDebug = ?sys_debug(Debug, {Name,State}, {enter,Event,State}), case call_callback_mode(S) of - {ok,NewS} -> + #state{} = NewS -> loop_event_actions( Parent, NewDebug, NewS, - Events, Event, State, Data, NewActions, true); - {Class,Reason,Stacktrace} -> + Events, Event, State, Data, #trans_opts{}, + NewActions, CallEnter); + [Class,Reason,Stacktrace] -> terminate( Class, Reason, Stacktrace, NewDebug, S, [Event|Events]) @@ -686,10 +706,8 @@ init_it(Starter, Parent, ServerRef, Module, Args, Opts) -> proc_lib:init_ack(Starter, {error,Reason}), error_info( Class, Reason, Stacktrace, - #{name => Name, - callback_mode => undefined, - state_enter => false}, - [], [], undefined), + #state{name = Name}, + [], undefined), erlang:raise(Class, Reason, Stacktrace) end. @@ -719,10 +737,8 @@ init_result(Starter, Parent, ServerRef, Module, Result, Opts) -> proc_lib:init_ack(Starter, {error,Error}), error_info( error, Error, ?STACKTRACE(), - #{name => Name, - callback_mode => undefined, - state_enter => false}, - [], [], undefined), + #state{name = Name}, + [], undefined), exit(Error) end. @@ -736,9 +752,10 @@ system_terminate(Reason, _Parent, Debug, S) -> terminate(exit, Reason, ?STACKTRACE(), Debug, S, []). system_code_change( - #{module := Module, - state := State, - data := Data} = S, + #state{ + module = Module, + state = State, + data = Data} = S, _Mod, OldVsn, Extra) -> case try Module:code_change(OldVsn, State, Data, Extra) @@ -748,29 +765,31 @@ system_code_change( of {ok,NewState,NewData} -> {ok, - S#{callback_mode := undefined, - state := NewState, - data := NewData}}; + S#state{ + callback_mode = undefined, + state = NewState, + data = NewData}}; {ok,_} = Error -> error({case_clause,Error}); Error -> Error end. -system_get_state(#{state := State, data := Data}) -> +system_get_state(#state{state = State, data = Data}) -> {ok,{State,Data}}. system_replace_state( StateFun, - #{state := State, - data := Data} = S) -> + #state{ + state = State, + data = Data} = S) -> {NewState,NewData} = Result = StateFun({State,Data}), - {ok,Result,S#{state := NewState, data := NewData}}. + {ok,Result,S#state{state = NewState, data = NewData}}. format_status( Opt, [PDict,SysState,Parent,Debug, - #{name := Name, postponed := P} = S]) -> + #state{name = Name, postponed = P} = S]) -> Header = gen:format_status_header("Status for state machine", Name), Log = sys:get_debug(log, Debug, []), [{header,Header}, @@ -789,6 +808,9 @@ format_status( %% them, not as the real erlang messages. Use trace for that. %%--------------------------------------------------------------------------- +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", @@ -821,15 +843,6 @@ event_string(Event) -> io_lib:format("~tw ~tp", [EventType,EventContent]) end. -sys_debug(Debug, #{name := Name}, State, Entry) -> - case Debug of - [] -> - Debug; - _ -> - sys:handle_debug( - Debug, fun print_event/3, {Name,State}, Entry) - end. - %%%========================================================================== %%% Internal callbacks @@ -844,14 +857,16 @@ wakeup_from_hibernate(Parent, Debug, S) -> %% and detours through sys:handle_system_message/7 and proc_lib:hibernate/3 %% Entry point for system_continue/3 -loop(Parent, Debug, #{hibernate := true, cancel_timers := 0} = S) -> +loop(Parent, Debug, #state{hibernate = true, cancel_timers = 0} = S) -> loop_hibernate(Parent, Debug, S); loop(Parent, Debug, S) -> loop_receive(Parent, Debug, S). loop_hibernate(Parent, Debug, S) -> + %% %% Does not return but restarts process at %% wakeup_from_hibernate/3 that jumps to loop_receive/3 + %% proc_lib:hibernate( ?MODULE, wakeup_from_hibernate, [Parent,Debug,S]), error( @@ -859,17 +874,18 @@ loop_hibernate(Parent, Debug, S) -> {wakeup_from_hibernate,3}}). %% Entry point for wakeup_from_hibernate/3 -loop_receive(Parent, Debug, #{hibernate_after := HibernateAfterTimeout} = S) -> +loop_receive( + Parent, Debug, #state{hibernate_after = HibernateAfterTimeout} = S) -> + %% receive Msg -> case Msg of {system,Pid,Req} -> - #{hibernate := Hibernate} = S, %% Does not return but tail recursively calls %% system_continue/3 that jumps to loop/3 sys:handle_system_msg( Req, Pid, Parent, ?MODULE, Debug, S, - Hibernate); + S#state.hibernate); {'EXIT',Parent,Reason} = EXIT -> %% EXIT is not a 2-tuple therefore %% not an event but this will stand out @@ -877,9 +893,9 @@ loop_receive(Parent, Debug, #{hibernate_after := HibernateAfterTimeout} = S) -> Q = [EXIT], terminate(exit, Reason, ?STACKTRACE(), Debug, S, Q); {timeout,TimerRef,TimerMsg} -> - #{timer_refs := TimerRefs, - timer_types := TimerTypes, - hibernate := Hibernate} = S, + #state{ + timer_refs = TimerRefs, + timer_types = TimerTypes} = S, case TimerRefs of #{TimerRef := TimerType} -> %% We know of this timer; is it a running @@ -889,7 +905,6 @@ loop_receive(Parent, Debug, #{hibernate_after := HibernateAfterTimeout} = S) -> #{TimerType := TimerRef} -> %% The timer type maps back to this %% timer ref, so it was a running timer - Event = {TimerType,TimerMsg}, %% Unregister the triggered timeout NewTimerRefs = maps:remove(TimerRef, TimerRefs), @@ -897,11 +912,10 @@ loop_receive(Parent, Debug, #{hibernate_after := HibernateAfterTimeout} = S) -> maps:remove(TimerType, TimerTypes), loop_receive_result( Parent, Debug, - S#{ - timer_refs := NewTimerRefs, - timer_types := NewTimerTypes}, - Hibernate, - Event); + S#state{ + timer_refs = NewTimerRefs, + timer_types = NewTimerTypes}, + TimerType, TimerMsg); _ -> %% This was a late timeout message %% from timer being cancelled, so @@ -911,14 +925,13 @@ loop_receive(Parent, Debug, #{hibernate_after := HibernateAfterTimeout} = S) -> end; _ -> %% Not our timer; present it as an event - Event = {info,Msg}, - loop_receive_result( - Parent, Debug, S, Hibernate, Event) + loop_receive_result(Parent, Debug, S, info, Msg) end; {cancel_timer,TimerRef,_} -> - #{timer_refs := TimerRefs, - cancel_timers := CancelTimers, - hibernate := Hibernate} = S, + #state{ + timer_refs = TimerRefs, + cancel_timers = CancelTimers, + hibernate = Hibernate} = S, case TimerRefs of #{TimerRef := _} -> %% We must have requested a cancel @@ -928,9 +941,9 @@ loop_receive(Parent, Debug, #{hibernate_after := HibernateAfterTimeout} = S) -> maps:remove(TimerRef, TimerRefs), NewCancelTimers = CancelTimers - 1, NewS = - S#{ - timer_refs := NewTimerRefs, - cancel_timers := NewCancelTimers}, + S#state{ + timer_refs = NewTimerRefs, + cancel_timers = NewCancelTimers}, if Hibernate =:= true, NewCancelTimers =:= 0 -> %% No more cancel_timer msgs to expect; @@ -942,238 +955,631 @@ loop_receive(Parent, Debug, #{hibernate_after := HibernateAfterTimeout} = S) -> _ -> %% Not our cancel_timer msg; %% present it as an event - Event = {info,Msg}, - loop_receive_result( - Parent, Debug, S, Hibernate, Event) + loop_receive_result(Parent, Debug, S, info, Msg) end; _ -> %% External msg - #{hibernate := Hibernate} = S, - Event = - case Msg of - {'$gen_call',From,Request} -> - {{call,From},Request}; - {'$gen_cast',E} -> - {cast,E}; - _ -> - {info,Msg} - end, - loop_receive_result( - Parent, Debug, S, Hibernate, Event) + case Msg of + {'$gen_call',From,Request} -> + loop_receive_result( + Parent, Debug, S, {call,From}, Request); + {'$gen_cast',Cast} -> + loop_receive_result(Parent, Debug, S, cast, Cast); + _ -> + loop_receive_result(Parent, Debug, S, info, Msg) + end end after HibernateAfterTimeout -> loop_hibernate(Parent, Debug, S) end. +loop_receive_result(Parent, ?not_sys_debug, S, Type, Content) -> + %% Here is the queue of not yet handled events created + Events = [], + loop_event(Parent, ?not_sys_debug, S, Events, Type, Content); loop_receive_result( - Parent, Debug, - #{state := State, - timer_types := TimerTypes, cancel_timers := CancelTimers} = S, - Hibernate, Event) -> - %% From now the 'hibernate' field in S is invalid - %% and will be restored when looping back - %% in loop_event_result/11 - NewDebug = sys_debug(Debug, S, State, {in,Event}), + Parent, Debug, #state{name = Name, state = State} = S, Type, Content) -> + NewDebug = sys_debug(Debug, {Name,State}, {in,{Type,Content}}), %% Here is the queue of not yet handled events created Events = [], - %% Cancel any running event timer - case - cancel_timer_by_type(timeout, TimerTypes, CancelTimers) - of - {_,CancelTimers} -> - %% No timer cancelled - loop_event(Parent, NewDebug, S, Events, Event, Hibernate); - {NewTimerTypes,NewCancelTimers} -> - %% The timer is removed from NewTimerTypes but - %% remains in TimerRefs until we get - %% the cancel_timer msg - NewS = - S#{ - timer_types := NewTimerTypes, - cancel_timers := NewCancelTimers}, - loop_event(Parent, NewDebug, NewS, Events, Event, Hibernate) - end. + loop_event(Parent, NewDebug, S, Events, Type, Content). %% Entry point for handling an event, received or enqueued loop_event( + Parent, Debug, #state{hibernate = Hibernate} = S, + Events, Type, Content) -> + %% + case Hibernate of + true -> + %% + %% If (this old) Hibernate is true here it can only be + %% because it was set from an event action + %% and we did not go into hibernation since there were + %% events in queue, so we do what the user + %% might rely on i.e collect garbage which + %% would have happened if we actually hibernated + %% and immediately was awakened. + %% + _ = garbage_collect(), + loop_event_state_function( + Parent, Debug, S, Events, Type, Content); + false -> + loop_event_state_function( + Parent, Debug, S, Events, Type, Content) + end. + +%% Call the state function +loop_event_state_function( Parent, Debug, - #{state := State, data := Data} = S, - Events, {Type,Content} = Event, Hibernate) -> + #state{state = State, data = Data} = S, + Events, Type, Content) -> + %% + %% The field 'hibernate' in S is now invalid and will be + %% restored when looping back to loop/3 or loop_event/6. %% - %% If (this old) Hibernate is true here it can only be - %% because it was set from an event action - %% and we did not go into hibernation since there were - %% events in queue, so we do what the user - %% might rely on i.e collect garbage which - %% would have happened if we actually hibernated - %% and immediately was awakened - Hibernate andalso garbage_collect(), + Event = {Type,Content}, + TransOpts = false, case call_state_function(S, Type, Content, State, Data) of - {ok,Result,NewS} -> - {NextState,NewData,Actions,EnterCall} = - parse_event_result( - true, Debug, NewS, - Events, Event, State, Data, Result), - loop_event_actions( - Parent, Debug, NewS, - Events, Event, NextState, NewData, Actions, EnterCall); - {Class,Reason,Stacktrace} -> + {Result, NewS} -> + loop_event_result( + Parent, Debug, NewS, + Events, Event, State, Data, TransOpts, Result); + [Class,Reason,Stacktrace] -> terminate( - Class, Reason, Stacktrace, Debug, S, - [Event|Events]) + Class, Reason, Stacktrace, Debug, S, [Event|Events]) end. -loop_event_actions( - Parent, Debug, - #{state := State, state_enter := StateEnter} = S, - Events, Event, NextState, NewData, - Actions, EnterCall) -> - %% Hibernate is reborn here as false being - %% the default value from parse_actions/4 - case parse_actions(Debug, S, State, Actions) of - {ok,NewDebug,Hibernate,TimeoutsR,Postpone,NextEventsR} -> - if - StateEnter, EnterCall -> - loop_event_enter( - Parent, NewDebug, S, - Events, Event, NextState, NewData, - Hibernate, TimeoutsR, Postpone, NextEventsR); - true -> - loop_event_result( - Parent, NewDebug, S, - Events, Event, NextState, NewData, - Hibernate, TimeoutsR, Postpone, NextEventsR) - end; - {Class,Reason,Stacktrace} -> +%% Make a state enter call to the state function +loop_event_state_enter( + Parent, Debug, #state{state = PrevState} = S, + Events, Event, NextState, NewData, TransOpts) -> + %% + case call_state_function(S, enter, PrevState, NextState, NewData) of + {Result, NewS} -> + loop_event_result( + Parent, Debug, NewS, + Events, Event, NextState, NewData, TransOpts, Result); + [Class,Reason,Stacktrace] -> terminate( - Class, Reason, Stacktrace, Debug, S, - [Event|Events]) + Class, Reason, Stacktrace, Debug, S, [Event|Events]) end. -loop_event_enter( - Parent, Debug, #{state := State} = S, - Events, Event, NextState, NewData, - Hibernate, TimeoutsR, Postpone, NextEventsR) -> - case call_state_function(S, enter, State, NextState, NewData) of - {ok,Result,NewS} -> - case parse_event_result( - false, Debug, NewS, - Events, Event, NextState, NewData, Result) of - {_,NewerData,Actions,EnterCall} -> - loop_event_enter_actions( - Parent, Debug, NewS, - Events, Event, NextState, NewerData, - Hibernate, TimeoutsR, Postpone, NextEventsR, - Actions, EnterCall) - end; - {Class,Reason,Stacktrace} -> - terminate( - Class, Reason, Stacktrace, Debug, - S#{ - state := NextState, - data := NewData, - hibernate := Hibernate}, - [Event|Events]) +%% Process the result from the state function. +%% When TransOpts =:= false it was a state function call, +%% otherwise it is an option tuple and it was a state enter call. +%% +loop_event_result( + Parent, Debug, S, + Events, Event, State, Data, TransOpts, Result) -> + %% + case Result of + {next_state,State,NewData} -> + loop_event_actions( + Parent, Debug, S, + Events, Event, State, NewData, TransOpts, + [], false); + {next_state,NextState,NewData} + when TransOpts =:= false -> + loop_event_actions( + Parent, Debug, S, + Events, Event, NextState, NewData, TransOpts, + [], true); + {next_state,State,NewData,Actions} -> + loop_event_actions( + Parent, Debug, S, + Events, Event, State, NewData, TransOpts, + Actions, false); + {next_state,NextState,NewData,Actions} + when TransOpts =:= false -> + loop_event_actions( + Parent, Debug, S, + Events, Event, NextState, NewData, TransOpts, + Actions, true); + %% + {keep_state,NewData} -> + loop_event_actions( + Parent, Debug, S, + Events, Event, State, NewData, TransOpts, + [], false); + {keep_state,NewData,Actions} -> + loop_event_actions( + Parent, Debug, S, + Events, Event, State, NewData, TransOpts, + Actions, false); + %% + keep_state_and_data -> + loop_event_actions( + Parent, Debug, S, + Events, Event, State, Data, TransOpts, + [], false); + {keep_state_and_data,Actions} -> + loop_event_actions( + Parent, Debug, S, + Events, Event, State, Data, TransOpts, + Actions, false); + %% + {repeat_state,NewData} -> + loop_event_actions( + Parent, Debug, S, + Events, Event, State, NewData, TransOpts, + [], true); + {repeat_state,NewData,Actions} -> + loop_event_actions( + Parent, Debug, S, + Events, Event, State, NewData, TransOpts, + Actions, true); + %% + repeat_state_and_data -> + loop_event_actions( + Parent, Debug, S, + Events, Event, State, Data, TransOpts, + [], true); + {repeat_state_and_data,Actions} -> + loop_event_actions( + Parent, Debug, S, + Events, Event, State, Data, TransOpts, + Actions, true); + %% + stop -> + terminate( + exit, normal, ?STACKTRACE(), Debug, + S#state{ + state = State, data = Data, + hibernate = hibernate_in_trans_opts(TransOpts)}, + [Event|Events]); + {stop,Reason} -> + terminate( + exit, Reason, ?STACKTRACE(), Debug, + S#state{ + state = State, data = Data, + hibernate = hibernate_in_trans_opts(TransOpts)}, + [Event|Events]); + {stop,Reason,NewData} -> + terminate( + exit, Reason, ?STACKTRACE(), Debug, + S#state{ + state = State, data = NewData, + hibernate = hibernate_in_trans_opts(TransOpts)}, + [Event|Events]); + %% + {stop_and_reply,Reason,Replies} -> + reply_then_terminate( + exit, Reason, ?STACKTRACE(), Debug, + S#state{ + state = State, data = Data, + hibernate = hibernate_in_trans_opts(TransOpts)}, + [Event|Events], Replies); + {stop_and_reply,Reason,Replies,NewData} -> + reply_then_terminate( + exit, Reason, ?STACKTRACE(), Debug, + S#state{ + state = State, data = NewData, + hibernate = hibernate_in_trans_opts(TransOpts)}, + [Event|Events], Replies); + %% + _ -> + terminate( + error, + {bad_return_from_state_function,Result}, + ?STACKTRACE(), Debug, + S#state{ + state = State, data = Data, + hibernate = hibernate_in_trans_opts(TransOpts)}, + [Event|Events]) end. -loop_event_enter_actions( - Parent, Debug, #{state_enter := StateEnter} = S, - Events, Event, NextState, NewData, - Hibernate, TimeoutsR, Postpone, NextEventsR, - Actions, EnterCall) -> - case - parse_enter_actions( - Debug, S, NextState, Actions, Hibernate, TimeoutsR) - of - {ok,NewDebug,NewHibernate,NewTimeoutsR,_,_} -> - if - StateEnter, EnterCall -> - loop_event_enter( - Parent, NewDebug, S, - Events, Event, NextState, NewData, - NewHibernate, NewTimeoutsR, Postpone, NextEventsR); - true -> - loop_event_result( - Parent, NewDebug, S, - Events, Event, NextState, NewData, - NewHibernate, NewTimeoutsR, Postpone, NextEventsR) - end; - {Class,Reason,Stacktrace} -> - terminate( - Class, Reason, Stacktrace, Debug, - S#{ - state := NextState, - data := NewData, - hibernate := Hibernate}, - [Event|Events]) +-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, + Events, Event, NextState, NewerData, TransOpts, + Actions, CallEnter) -> + loop_event_actions_list( + Parent, Debug, S, + Events, Event, NextState, NewerData, TransOpts, + listify(Actions), CallEnter). + +%% Process actions from the state function +loop_event_actions_list( + Parent, Debug, #state{state_enter = StateEnter} = S, + Events, Event, NextState, NewerData, TransOpts, + Actions, CallEnter) -> + %% + case parse_actions(TransOpts, Debug, S, Actions) of + {NewDebug,NewTransOpts} + when StateEnter, CallEnter -> + loop_event_state_enter( + Parent, NewDebug, S, + Events, Event, NextState, NewerData, NewTransOpts); + {NewDebug,NewTransOpts} -> + loop_event_done( + Parent, NewDebug, S, + Events, Event, NextState, NewerData, NewTransOpts); + [Class,Reason,Stacktrace,NewDebug] -> + terminate( + Class, Reason, Stacktrace, NewDebug, + S#state{ + state = NextState, + data = NewerData, + hibernate = TransOpts#trans_opts.hibernate}, + [Event|Events]) end. -loop_event_result( +parse_actions(false, Debug, S, Actions) -> + parse_actions(true, Debug, S, Actions, #trans_opts{}); +parse_actions(TransOpts, Debug, S, Actions) -> + parse_actions(false, Debug, S, Actions, TransOpts). +%% +parse_actions(_StateCall, Debug, _S, [], TransOpts) -> + {Debug,TransOpts}; +parse_actions(StateCall, Debug, S, [Action|Actions], TransOpts) -> + case Action of + %% Actual actions + {reply,From,Reply} -> + parse_actions_reply( + StateCall, Debug, S, Actions, TransOpts, From, Reply); + %% + %% Actions that set options + {hibernate,NewHibernate} when is_boolean(NewHibernate) -> + parse_actions( + StateCall, Debug, S, Actions, + TransOpts#trans_opts{hibernate = NewHibernate}); + hibernate -> + parse_actions( + StateCall, Debug, S, Actions, + TransOpts#trans_opts{hibernate = true}); + %% + {postpone,NewPostpone} when not NewPostpone orelse StateCall -> + parse_actions( + StateCall, Debug, S, Actions, + TransOpts#trans_opts{postpone = NewPostpone}); + postpone when StateCall -> + parse_actions( + StateCall, Debug, S, Actions, + TransOpts#trans_opts{postpone = true}); + %% + {next_event,Type,Content} -> + parse_actions_next_event( + StateCall, Debug, S, Actions, TransOpts, Type, Content); + %% + _ -> + parse_actions_timeout( + StateCall, Debug, S, Actions, TransOpts, Action) + end. + +parse_actions_reply( + StateCall, ?not_sys_debug, S, Actions, TransOpts, + From, Reply) -> + %% + case from(From) of + true -> + reply(From, Reply), + parse_actions(StateCall, ?not_sys_debug, S, Actions, TransOpts); + false -> + [error, + {bad_action_from_state_function,{reply,From,Reply}}, + ?STACKTRACE(), + ?not_sys_debug] + end; +parse_actions_reply( + StateCall, Debug, #state{name = Name, state = State} = S, + Actions, TransOpts, From, Reply) -> + %% + case from(From) of + true -> + reply(From, Reply), + NewDebug = sys_debug(Debug, {Name,State}, {out,Reply,From}), + parse_actions(StateCall, NewDebug, S, Actions, TransOpts); + false -> + [error, + {bad_action_from_state_function,{reply,From,Reply}}, + ?STACKTRACE(), + Debug] + end. + +parse_actions_next_event( + StateCall, ?not_sys_debug, S, + Actions, TransOpts, Type, Content) -> + case event_type(Type) of + true when StateCall -> + NextEventsR = TransOpts#trans_opts.next_events_r, + parse_actions( + StateCall, ?not_sys_debug, S, Actions, + TransOpts#trans_opts{ + next_events_r = [{Type,Content}|NextEventsR]}); + _ -> + [error, + {bad_action_from_state_function,{next_events,Type,Content}}, + ?STACKTRACE(), + ?not_sys_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}}), + NextEventsR = TransOpts#trans_opts.next_events_r, + parse_actions( + StateCall, NewDebug, S, Actions, + TransOpts#trans_opts{ + next_events_r = [{Type,Content}|NextEventsR]}); + _ -> + [error, + {bad_action_from_state_function,{next_events,Type,Content}}, + ?STACKTRACE(), + Debug] + end. + +parse_actions_timeout( + StateCall, Debug, S, Actions, TransOpts, + {TimerType,Time,TimerMsg,TimerOpts} = AbsoluteTimeout) -> + %% + case classify_timer(Time, listify(TimerOpts)) of + absolute -> + parse_actions_timeout_add( + StateCall, Debug, S, Actions, + TransOpts, AbsoluteTimeout); + relative -> + RelativeTimeout = {TimerType,Time,TimerMsg}, + parse_actions_timeout_add( + StateCall, Debug, S, Actions, + TransOpts, RelativeTimeout); + badarg -> + [error, + {bad_action_from_state_function,AbsoluteTimeout}, + ?STACKTRACE(), + Debug] + end; +parse_actions_timeout( + StateCall, Debug, S, Actions, TransOpts, + {_,Time,_} = RelativeTimeout) -> + case classify_timer(Time, []) of + relative -> + parse_actions_timeout_add( + StateCall, Debug, S, Actions, + TransOpts, RelativeTimeout); + badarg -> + [error, + {bad_action_from_state_function,RelativeTimeout}, + ?STACKTRACE(), + Debug] + end; +parse_actions_timeout( + StateCall, Debug, S, Actions, TransOpts, + Timeout) -> + case classify_timer(Timeout, []) of + relative -> + parse_actions_timeout_add( + StateCall, Debug, S, Actions, TransOpts, Timeout); + badarg -> + [error, + {bad_action_from_state_function,Timeout}, + ?STACKTRACE(), + Debug] + end. + +parse_actions_timeout_add( + StateCall, Debug, S, Actions, + #trans_opts{timeouts_r = TimeoutsR} = TransOpts, Timeout) -> + parse_actions( + StateCall, Debug, S, Actions, + TransOpts#trans_opts{timeouts_r = [Timeout|TimeoutsR]}). + +%% Do the state transition +loop_event_done( + Parent, ?not_sys_debug, + #state{postponed = P} = S, + Events, Event, NextState, NewData, + #trans_opts{ + postpone = Postpone, hibernate = Hibernate, + timeouts_r = [], next_events_r = []}) -> + %% + %% Optimize the simple cases + %% i.e no timer changes, no inserted events and no debug, + %% by duplicate stripped down code + %% + %% Fast path + %% + case Postpone of + true -> + loop_event_done_fast( + Parent, Hibernate, + S, + Events, [Event|P], NextState, NewData); + false -> + loop_event_done_fast( + Parent, Hibernate, + S, + Events, P, NextState, NewData) + end; +loop_event_done( Parent, Debug_0, - #{state := State, postponed := P_0, - timer_refs := TimerRefs_0, timer_types := TimerTypes_0, - cancel_timers := CancelTimers_0} = S_0, + #state{ + state = State, postponed = P_0, + timer_refs = TimerRefs_0, timer_types = TimerTypes_0, + cancel_timers = CancelTimers_0} = S, Events_0, Event_0, NextState, NewData, - Hibernate, TimeoutsR, Postpone, NextEventsR) -> + #trans_opts{ + hibernate = Hibernate, timeouts_r = TimeoutsR, + postpone = Postpone, next_events_r = NextEventsR}) -> %% %% All options have been collected and next_events are buffered. %% Do the actual state transition. %% - {Debug_1,P_1} = % Move current event to postponed if Postpone + %% Full feature path + %% + [Debug_1|P_1] = % Move current event to postponed if Postpone case Postpone of true -> - {sys_debug(Debug_0, S_0, State, {postpone,Event_0,State}), - [Event_0|P_0]}; + [?sys_debug( + Debug_0, + {S#state.name,State}, + {postpone,Event_0,State}), + Event_0|P_0]; false -> - {sys_debug(Debug_0, S_0, State, {consume,Event_0,State}), - P_0} + [?sys_debug( + Debug_0, + {S#state.name,State}, + {consume,Event_0,State})|P_0] end, - {Events_1,P_2,{TimerTypes_1,CancelTimers_1}} = - %% Move all postponed events to queue and cancel the - %% state timeout if the state changes + {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,{TimerTypes_0,CancelTimers_0}}; + {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, TimerTypes_0, CancelTimers_0)} - %% The state timer is removed from TimerTypes_1 - %% but remains in TimerRefs_0 until we get + 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, - {TimerRefs_2,TimerTypes_2,CancelTimers_2,TimeoutEvents} = - %% Stop and start non-event timers - parse_timers(TimerRefs_0, TimerTypes_1, CancelTimers_1, TimeoutsR), + {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_2R = lists:reverse(Events_1, NextEventsR), - %% Enqueue immediate timeout events and start event timer - Events_3R = prepend_timeout_events(TimeoutEvents, Events_2R), - S_1 = - S_0#{ - state := NextState, - data := NewData, - postponed := P_2, - timer_refs := TimerRefs_2, - timer_types := TimerTypes_2, - cancel_timers := CancelTimers_2, - hibernate := Hibernate}, - case lists:reverse(Events_3R) of - [] -> - %% Get a new event - loop(Parent, Debug_1, S_1); - [Event|Events] -> + Events_3R = lists:reverse(Events_2, NextEventsR), + %% Enqueue immediate timeout events + Events_4R = prepend_timeout_events(TimeoutEvents, Events_3R), + loop_event_done( + Parent, Debug_1, + S#state{ + state = NextState, + data = NewData, + postponed = P_2, + timer_refs = TimerRefs_3, + timer_types = TimerTypes_3, + cancel_timers = CancelTimers_3, + hibernate = Hibernate}, + lists:reverse(Events_4R)). + +%% Fast path +%% +loop_event_done_fast( + Parent, Hibernate, + #state{ + state = NextState, + timer_types = #{timeout := _} = 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) -> + %% + %% 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}))); +loop_event_done_fast( + Parent, Hibernate, + #state{ + timer_types = #{state_timeout := _} = 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}))); +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)). +%% +%% Fast path +%% +loop_event_done_fast( + Parent, Hibernate, S, + Events, P, NextState, NewData, + {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 + [] -> + %% Get a new event + loop(Parent, Debug, S); + [{Type,Content}|Events] -> %% Loop until out of enqueued events - loop_event(Parent, Debug_1, S_1, Events, Event, Hibernate) + loop_event(Parent, Debug, S, Events, Type, Content) end. %%--------------------------------------------------------------------------- %% Server loop helpers -call_callback_mode(#{module := Module} = S) -> +call_callback_mode(#state{module = Module} = S) -> try Module:callback_mode() of CallbackMode -> callback_mode_result(S, CallbackMode) @@ -1181,58 +1587,45 @@ call_callback_mode(#{module := Module} = S) -> CallbackMode -> callback_mode_result(S, CallbackMode); Class:Reason -> - {Class,Reason,erlang:get_stacktrace()} + [Class,Reason,erlang:get_stacktrace()] end. callback_mode_result(S, CallbackMode) -> - case - parse_callback_mode( - if - is_atom(CallbackMode) -> - [CallbackMode]; - true -> - CallbackMode - end, undefined, false) - of - {undefined,_} -> - {error, - {bad_return_from_callback_mode,CallbackMode}, - ?STACKTRACE()}; - {CBMode,StateEnter} -> - {ok, - S#{ - callback_mode := CBMode, - state_enter := StateEnter}} - end. - -parse_callback_mode([], CBMode, StateEnter) -> - {CBMode,StateEnter}; -parse_callback_mode([H|T], CBMode, StateEnter) -> + callback_mode_result( + S, CallbackMode, listify(CallbackMode), undefined, false). +%% +callback_mode_result(_S, CallbackMode, [], undefined, _StateEnter) -> + [error, + {bad_return_from_callback_mode,CallbackMode}, + ?STACKTRACE()]; +callback_mode_result(S, _CallbackMode, [], CBMode, StateEnter) -> + S#state{callback_mode = CBMode, state_enter = StateEnter}; +callback_mode_result(S, CallbackMode, [H|T], CBMode, StateEnter) -> case callback_mode(H) of true -> - parse_callback_mode(T, H, StateEnter); + callback_mode_result(S, CallbackMode, T, H, StateEnter); false -> - case H of - state_enter -> - parse_callback_mode(T, CBMode, true); - _ -> - {undefined,StateEnter} + case state_enter(H) of + true -> + callback_mode_result(S, CallbackMode, T, CBMode, true); + false -> + [error, + {bad_return_from_callback_mode,CallbackMode}, + ?STACKTRACE()] end - end; -parse_callback_mode(_, _CBMode, StateEnter) -> - {undefined,StateEnter}. + end. call_state_function( - #{callback_mode := undefined} = S, Type, Content, State, Data) -> + #state{callback_mode = undefined} = S, Type, Content, State, Data) -> case call_callback_mode(S) of - {ok,NewS} -> + #state{} = NewS -> call_state_function(NewS, Type, Content, State, Data); Error -> Error end; call_state_function( - #{callback_mode := CallbackMode, module := Module} = S, + #state{callback_mode = CallbackMode, module = Module} = S, Type, Content, State, Data) -> try case CallbackMode of @@ -1243,333 +1636,108 @@ call_state_function( end of Result -> - {ok,Result,S} + {Result,S} catch Result -> - {ok,Result,S}; + {Result,S}; Class:Reason -> - {Class,Reason,erlang:get_stacktrace()} - end. - - -%% Interpret all callback return variants -parse_event_result( - AllowStateChange, Debug, S, - Events, Event, State, Data, Result) -> - case Result of - stop -> - terminate( - exit, normal, ?STACKTRACE(), Debug, - S#{state := State, data := Data}, - [Event|Events]); - {stop,Reason} -> - terminate( - exit, Reason, ?STACKTRACE(), Debug, - S#{state := State, data := Data}, - [Event|Events]); - {stop,Reason,NewData} -> - terminate( - exit, Reason, ?STACKTRACE(), Debug, - S#{state := State, data := NewData}, - [Event|Events]); - %% - {stop_and_reply,Reason,Replies} -> - reply_then_terminate( - exit, Reason, ?STACKTRACE(), Debug, - S#{state := State, data := Data}, - [Event|Events], Replies); - {stop_and_reply,Reason,Replies,NewData} -> - reply_then_terminate( - exit, Reason, ?STACKTRACE(), Debug, - S#{state := State, data := NewData}, - [Event|Events], Replies); - %% - {next_state,State,NewData} -> - {State,NewData,[],false}; - {next_state,NextState,NewData} when AllowStateChange -> - {NextState,NewData,[],true}; - {next_state,State,NewData,Actions} -> - {State,NewData,Actions,false}; - {next_state,NextState,NewData,Actions} when AllowStateChange -> - {NextState,NewData,Actions,true}; - %% - {keep_state,NewData} -> - {State,NewData,[],false}; - {keep_state,NewData,Actions} -> - {State,NewData,Actions,false}; - keep_state_and_data -> - {State,Data,[],false}; - {keep_state_and_data,Actions} -> - {State,Data,Actions,false}; - %% - {repeat_state,NewData} -> - {State,NewData,[],true}; - {repeat_state,NewData,Actions} -> - {State,NewData,Actions,true}; - repeat_state_and_data -> - {State,Data,[],true}; - {repeat_state_and_data,Actions} -> - {State,Data,Actions,true}; - %% - _ -> - terminate( - error, - {bad_return_from_state_function,Result}, - ?STACKTRACE(), Debug, - S#{state := State, data := Data}, - [Event|Events]) - end. - - -parse_enter_actions(Debug, S, State, Actions, Hibernate, TimeoutsR) -> - Postpone = forbidden, - NextEventsR = forbidden, - parse_actions( - Debug, S, State, listify(Actions), - Hibernate, TimeoutsR, Postpone, NextEventsR). - -parse_actions(Debug, S, State, Actions) -> - Hibernate = false, - TimeoutsR = [infinity], %% Will cancel event timer - Postpone = false, - NextEventsR = [], - parse_actions( - Debug, S, State, listify(Actions), - Hibernate, TimeoutsR, Postpone, NextEventsR). -%% -parse_actions( - Debug, _S, _State, [], - Hibernate, TimeoutsR, Postpone, NextEventsR) -> - {ok,Debug,Hibernate,TimeoutsR,Postpone,NextEventsR}; -parse_actions( - Debug, S, State, [Action|Actions], - Hibernate, TimeoutsR, Postpone, NextEventsR) -> - case Action of - %% Actual actions - {reply,From,Reply} -> - case from(From) of - true -> - NewDebug = do_reply(Debug, S, State, From, Reply), - parse_actions( - NewDebug, S, State, Actions, - Hibernate, TimeoutsR, Postpone, NextEventsR); - false -> - {error, - {bad_action_from_state_function,Action}, - ?STACKTRACE()} - end; - %% - %% Actions that set options - {hibernate,NewHibernate} when is_boolean(NewHibernate) -> - parse_actions( - Debug, S, State, Actions, - NewHibernate, TimeoutsR, Postpone, NextEventsR); - hibernate -> - NewHibernate = true, - parse_actions( - Debug, S, State, Actions, - NewHibernate, TimeoutsR, Postpone, NextEventsR); - %% - {postpone,NewPostpone} - when is_boolean(NewPostpone), Postpone =/= forbidden -> - parse_actions( - Debug, S, State, Actions, - Hibernate, TimeoutsR, NewPostpone, NextEventsR); - postpone when Postpone =/= forbidden -> - NewPostpone = true, - parse_actions( - Debug, S, State, Actions, - Hibernate, TimeoutsR, NewPostpone, NextEventsR); - %% - {next_event,Type,Content} -> - case event_type(Type) of - true when NextEventsR =/= forbidden -> - NewDebug = - sys_debug(Debug, S, State, {in,{Type,Content}}), - parse_actions( - NewDebug, S, State, Actions, - Hibernate, TimeoutsR, Postpone, - [{Type,Content}|NextEventsR]); - _ -> - {error, - {bad_action_from_state_function,Action}, - ?STACKTRACE()} - end; - %% - {{timeout,_},_,_} = Timeout -> - parse_actions_timeout( - Debug, S, State, Actions, - Hibernate, TimeoutsR, Postpone, NextEventsR, Timeout); - {{timeout,_},_,_,_} = Timeout -> - parse_actions_timeout( - Debug, S, State, Actions, - Hibernate, TimeoutsR, Postpone, NextEventsR, Timeout); - {timeout,_,_} = Timeout -> - parse_actions_timeout( - Debug, S, State, Actions, - Hibernate, TimeoutsR, Postpone, NextEventsR, Timeout); - {timeout,_,_,_} = Timeout -> - parse_actions_timeout( - Debug, S, State, Actions, - Hibernate, TimeoutsR, Postpone, NextEventsR, Timeout); - {state_timeout,_,_} = Timeout -> - parse_actions_timeout( - Debug, S, State, Actions, - Hibernate, TimeoutsR, Postpone, NextEventsR, Timeout); - {state_timeout,_,_,_} = Timeout -> - parse_actions_timeout( - Debug, S, State, Actions, - Hibernate, TimeoutsR, Postpone, NextEventsR, Timeout); - Time -> - parse_actions_timeout( - Debug, S, State, Actions, - Hibernate, TimeoutsR, Postpone, NextEventsR, Time) + [Class,Reason,erlang:get_stacktrace()] end. -parse_actions_timeout( - Debug, S, State, Actions, - Hibernate, TimeoutsR, Postpone, NextEventsR, Timeout) -> - case Timeout of - {TimerType,Time,TimerMsg,TimerOpts} -> - case validate_timer_args(Time, listify(TimerOpts)) of - true -> - parse_actions( - Debug, S, State, Actions, - Hibernate, [Timeout|TimeoutsR], - Postpone, NextEventsR); - false -> - NewTimeout = {TimerType,Time,TimerMsg}, - parse_actions( - Debug, S, State, Actions, - Hibernate, [NewTimeout|TimeoutsR], - Postpone, NextEventsR); - error -> - {error, - {bad_action_from_state_function,Timeout}, - ?STACKTRACE()} - end; - {_,Time,_} -> - case validate_timer_args(Time, []) of - false -> - parse_actions( - Debug, S, State, Actions, - Hibernate, [Timeout|TimeoutsR], - Postpone, NextEventsR); - error -> - {error, - {bad_action_from_state_function,Timeout}, - ?STACKTRACE()} - end; - Time -> - case validate_timer_args(Time, []) of - false -> - parse_actions( - Debug, S, State, Actions, - Hibernate, [Timeout|TimeoutsR], - Postpone, NextEventsR); - error -> - {error, - {bad_action_from_state_function,Timeout}, - ?STACKTRACE()} - end - end. -validate_timer_args(Time, Opts) -> - validate_timer_args(Time, Opts, false). +%% -> absolute | relative | badarg +classify_timer(Time, Opts) -> + classify_timer(Time, Opts, false). %% -validate_timer_args(Time, [], true) when is_integer(Time) -> - true; -validate_timer_args(Time, [], false) when is_integer(Time), Time >= 0 -> - false; -validate_timer_args(infinity, [], Abs) -> - Abs; -validate_timer_args(Time, [{abs,Abs}|Opts], _) when is_boolean(Abs) -> - validate_timer_args(Time, Opts, Abs); -validate_timer_args(_, [_|_], _) -> - error. +classify_timer(Time, [], Abs) -> + case Abs of + true when + is_integer(Time); + Time =:= infinity -> + absolute; + false when + is_integer(Time), 0 =< Time; + Time =:= infinity -> + relative; + _ -> + badarg + end; +classify_timer(Time, [{abs,Abs}|Opts], _) when is_boolean(Abs) -> + classify_timer(Time, Opts, Abs); +classify_timer(_, Opts, _) when is_list(Opts) -> + badarg. %% Stop and start timers as well as create timeout zero events %% and pending event timer %% %% Stop and start timers non-event timers -parse_timers(TimerRefs, TimerTypes, CancelTimers, TimeoutsR) -> - parse_timers(TimerRefs, TimerTypes, CancelTimers, TimeoutsR, #{}, []). +parse_timers(TimerRefs, Timers, TimeoutsR) -> + parse_timers(TimerRefs, Timers, TimeoutsR, #{}, []). %% parse_timers( - TimerRefs, TimerTypes, CancelTimers, [], _Seen, TimeoutEvents) -> - {TimerRefs,TimerTypes,CancelTimers,TimeoutEvents}; + TimerRefs, Timers, [], _Seen, TimeoutEvents) -> + %% + {TimerRefs,Timers,TimeoutEvents}; parse_timers( - TimerRefs, TimerTypes, CancelTimers, [Timeout|TimeoutsR], - Seen, TimeoutEvents) -> + TimerRefs, Timers, [Timeout|TimeoutsR], Seen, TimeoutEvents) -> + %% case Timeout of {TimerType,Time,TimerMsg,TimerOpts} -> %% Absolute timer parse_timers( - TimerRefs, TimerTypes, CancelTimers, TimeoutsR, - Seen, TimeoutEvents, + TimerRefs, Timers, TimeoutsR, Seen, TimeoutEvents, TimerType, Time, TimerMsg, listify(TimerOpts)); %% Relative timers below {TimerType,0,TimerMsg} -> parse_timers( - TimerRefs, TimerTypes, CancelTimers, TimeoutsR, - Seen, TimeoutEvents, + TimerRefs, Timers, TimeoutsR, Seen, TimeoutEvents, TimerType, zero, TimerMsg, []); {TimerType,Time,TimerMsg} -> parse_timers( - TimerRefs, TimerTypes, CancelTimers, TimeoutsR, - Seen, TimeoutEvents, + TimerRefs, Timers, TimeoutsR, Seen, TimeoutEvents, TimerType, Time, TimerMsg, []); 0 -> parse_timers( - TimerRefs, TimerTypes, CancelTimers, TimeoutsR, - Seen, TimeoutEvents, + TimerRefs, Timers, TimeoutsR, Seen, TimeoutEvents, timeout, zero, 0, []); Time -> parse_timers( - TimerRefs, TimerTypes, CancelTimers, TimeoutsR, - Seen, TimeoutEvents, + TimerRefs, Timers, TimeoutsR, Seen, TimeoutEvents, timeout, Time, Time, []) end. parse_timers( - TimerRefs, TimerTypes, CancelTimers, TimeoutsR, - Seen, TimeoutEvents, + TimerRefs, Timers, TimeoutsR, Seen, TimeoutEvents, TimerType, Time, TimerMsg, TimerOpts) -> case Seen of #{TimerType := _} -> %% Type seen before - ignore parse_timers( - TimerRefs, TimerTypes, CancelTimers, TimeoutsR, - Seen, TimeoutEvents); + TimerRefs, Timers, TimeoutsR, Seen, TimeoutEvents); #{} -> %% Unseen type - handle NewSeen = Seen#{TimerType => true}, case Time of infinity -> %% Cancel any running timer - {NewTimerTypes,NewCancelTimers} = - cancel_timer_by_type( - TimerType, TimerTypes, CancelTimers), parse_timers( - TimerRefs, NewTimerTypes, NewCancelTimers, TimeoutsR, - NewSeen, TimeoutEvents); + TimerRefs, cancel_timer_by_type(TimerType, Timers), + TimeoutsR, NewSeen, TimeoutEvents); zero -> %% Cancel any running timer - {NewTimerTypes,NewCancelTimers} = - cancel_timer_by_type( - TimerType, TimerTypes, CancelTimers), %% Handle zero time timeouts later - TimeoutEvent = {TimerType,TimerMsg}, parse_timers( - TimerRefs, NewTimerTypes, NewCancelTimers, TimeoutsR, - NewSeen, [TimeoutEvent|TimeoutEvents]); + TimerRefs, cancel_timer_by_type(TimerType, Timers), + TimeoutsR, NewSeen, + [{TimerType,TimerMsg}|TimeoutEvents]); _ -> %% (Re)start the timer TimerRef = erlang:start_timer( Time, self(), TimerMsg, TimerOpts), - case TimerTypes of - #{TimerType := OldTimerRef} -> + case Timers of + {#{TimerType := OldTimerRef} = TimerTypes, + CancelTimers} -> %% Cancel the running timer cancel_timer(OldTimerRef), NewCancelTimers = CancelTimers + 1, @@ -1577,17 +1745,17 @@ parse_timers( %% both TimerRefs and TimerTypes parse_timers( TimerRefs#{TimerRef => TimerType}, - TimerTypes#{TimerType => TimerRef}, - NewCancelTimers, TimeoutsR, - NewSeen, TimeoutEvents); - #{} -> + {TimerTypes#{TimerType => TimerRef}, + NewCancelTimers}, + TimeoutsR, NewSeen, TimeoutEvents); + {#{} = TimerTypes,CancelTimers} -> %% Insert the new timer into %% both TimerRefs and TimerTypes parse_timers( TimerRefs#{TimerRef => TimerType}, - TimerTypes#{TimerType => TimerRef}, - CancelTimers, TimeoutsR, - NewSeen, TimeoutEvents) + {TimerTypes#{TimerType => TimerRef}, + CancelTimers}, + TimeoutsR, NewSeen, TimeoutEvents) end end end. @@ -1609,6 +1777,8 @@ prepend_timeout_events([], EventsR) -> prepend_timeout_events([{timeout,_} = TimeoutEvent|TimeoutEvents], []) -> prepend_timeout_events(TimeoutEvents, [TimeoutEvent]); prepend_timeout_events([{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) -> %% Just prepend all others @@ -1619,23 +1789,28 @@ prepend_timeout_events([TimeoutEvent|TimeoutEvents], EventsR) -> %%--------------------------------------------------------------------------- %% Server helpers -reply_then_terminate( - Class, Reason, Stacktrace, Debug, - #{state := State} = S, Q, Replies) -> +reply_then_terminate(Class, Reason, Stacktrace, Debug, S, Q, Replies) -> do_reply_then_terminate( - Class, Reason, Stacktrace, Debug, - S, Q, listify(Replies), State). + Class, Reason, Stacktrace, Debug, S, Q, listify(Replies)). %% do_reply_then_terminate( - Class, Reason, Stacktrace, Debug, S, Q, [], _State) -> + Class, Reason, Stacktrace, Debug, S, Q, []) -> terminate(Class, Reason, Stacktrace, Debug, S, Q); do_reply_then_terminate( - Class, Reason, Stacktrace, Debug, S, Q, [R|Rs], State) -> + Class, Reason, Stacktrace, Debug, S, Q, [R|Rs]) -> case R of {reply,{_To,_Tag}=From,Reply} -> - NewDebug = do_reply(Debug, S, State, 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, State); + Class, Reason, Stacktrace, NewDebug, S, Q, Rs); _ -> terminate( error, @@ -1644,14 +1819,9 @@ do_reply_then_terminate( Debug, S, Q) end. -do_reply(Debug, S, State, From, Reply) -> - reply(From, Reply), - sys_debug(Debug, S, State, {out,Reply,From}). - - terminate( Class, Reason, Stacktrace, Debug, - #{module := Module, state := State, data := Data, postponed := P} = S, + #state{module = Module, state = State, data = Data} = S, Q) -> case erlang:function_exported(Module, terminate, 3) of true -> @@ -1662,7 +1832,7 @@ terminate( C:R -> ST = erlang:get_stacktrace(), error_info( - C, R, ST, S, Q, P, + C, R, ST, S, Q, format_status(terminate, get(), S)), sys:print_log(Debug), erlang:raise(C, R, ST) @@ -1673,14 +1843,14 @@ terminate( _ = case Reason of normal -> - sys_debug(Debug, S, State, {terminate,Reason}); + terminate_sys_debug(Debug, S, State, Reason); shutdown -> - sys_debug(Debug, S, State, {terminate,Reason}); + terminate_sys_debug(Debug, S, State, Reason); {shutdown,_} -> - sys_debug(Debug, S, State, {terminate,Reason}); + terminate_sys_debug(Debug, S, State, Reason); _ -> error_info( - Class, Reason, Stacktrace, S, Q, P, + Class, Reason, Stacktrace, S, Q, format_status(terminate, get(), S)), sys:print_log(Debug) end, @@ -1691,12 +1861,18 @@ terminate( erlang:raise(Class, Reason, Stacktrace) end. +terminate_sys_debug(Debug, S, State, Reason) -> + ?sys_debug(Debug, {S#state.name,State}, {terminate,Reason}). + + error_info( Class, Reason, Stacktrace, - #{name := Name, - callback_mode := CallbackMode, - state_enter := StateEnter}, - Q, P, FmtData) -> + #state{ + name = Name, + callback_mode = CallbackMode, + state_enter = StateEnter, + postponed = P}, + Q, FmtData) -> {FixedReason,FixedStacktrace} = case Stacktrace of [{M,F,Args,_}|ST] @@ -1777,7 +1953,7 @@ error_info( %% Call Module:format_status/2 or return a default value format_status( Opt, PDict, - #{module := Module, state := State, data := Data}) -> + #state{module = Module, state = State, data = Data}) -> case erlang:function_exported(Module, format_status, 2) of true -> try Module:format_status(Opt, [PDict,State,Data]) @@ -1802,6 +1978,7 @@ format_status_default(Opt, State, Data) -> [{data,[{"State",StateData}]}] end. +-compile({inline, [listify/1]}). listify(Item) when is_list(Item) -> Item; listify(Item) -> @@ -1815,14 +1992,16 @@ listify(Item) -> %% %% Remove the timer from TimerTypes. %% When we get the cancel_timer msg we remove it from TimerRefs. -cancel_timer_by_type(TimerType, TimerTypes, CancelTimers) -> +-compile({inline, [cancel_timer_by_type/2]}). +cancel_timer_by_type(TimerType, {TimerTypes,CancelTimers} = TT_CT) -> case TimerTypes of #{TimerType := TimerRef} -> - cancel_timer(TimerRef), + ok = erlang:cancel_timer(TimerRef, [{async,true}]), {maps:remove(TimerType, TimerTypes),CancelTimers + 1}; #{} -> - {TimerTypes,CancelTimers} + TT_CT end. +-compile({inline, [cancel_timer/1]}). cancel_timer(TimerRef) -> ok = erlang:cancel_timer(TimerRef, [{async,true}]). diff --git a/lib/stdlib/src/io_lib.erl b/lib/stdlib/src/io_lib.erl index 9d447418f8..50bf959db5 100644 --- a/lib/stdlib/src/io_lib.erl +++ b/lib/stdlib/src/io_lib.erl @@ -1,7 +1,7 @@ %% %% %CopyrightBegin% %% -%% Copyright Ericsson AB 1996-2017. All Rights Reserved. +%% Copyright Ericsson AB 1996-2018. 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. @@ -149,7 +149,7 @@ fread(Chars, Format) -> -spec fread(Continuation, CharSpec, Format) -> Return when Continuation :: continuation() | [], - CharSpec :: string() | eof, + CharSpec :: string() | 'eof', Format :: string(), Return :: {'more', Continuation1 :: continuation()} | {'done', Result, LeftOverChars :: string()}, diff --git a/lib/stdlib/src/io_lib_fread.erl b/lib/stdlib/src/io_lib_fread.erl index 983e8d4566..319bff484e 100644 --- a/lib/stdlib/src/io_lib_fread.erl +++ b/lib/stdlib/src/io_lib_fread.erl @@ -1,7 +1,7 @@ %% %% %CopyrightBegin% %% -%% Copyright Ericsson AB 1996-2017. All Rights Reserved. +%% Copyright Ericsson AB 1996-2018. 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. @@ -38,7 +38,7 @@ -spec fread(Continuation, String, Format) -> Return when Continuation :: io_lib:continuation() | [], - String :: string(), + String :: string() | 'eof', Format :: string(), Return :: {'more', Continuation1 :: io_lib:continuation()} | {'done', Result, LeftOverChars :: string()}, diff --git a/lib/stdlib/src/lib.erl b/lib/stdlib/src/lib.erl index c6eb0d7915..be11e86100 100644 --- a/lib/stdlib/src/lib.erl +++ b/lib/stdlib/src/lib.erl @@ -1,7 +1,7 @@ %% %% %CopyrightBegin% %% -%% Copyright Ericsson AB 1996-2017. All Rights Reserved. +%% Copyright Ericsson AB 1996-2018. 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. @@ -551,7 +551,7 @@ format_stacktrace1(S0, Stack0, PF, SF, Enc) -> format_stacktrace2(S, Stack, 1, PF, Enc). format_stacktrace2(S, [{M,F,A,L}|Fs], N, PF, Enc) when is_integer(A) -> - [io_lib:fwrite(<<"~s~s ~ts ~s">>, + [io_lib:fwrite(<<"~s~s ~ts ~ts">>, [sep(N, S), origin(N, M, F, A), mfa_to_string(M, F, A, Enc), location(L)]) @@ -573,7 +573,7 @@ location(L) -> Line = proplists:get_value(line, L), if File =/= undefined, Line =/= undefined -> - io_lib:format("(~s, line ~w)", [File, Line]); + io_lib:format("(~ts, line ~w)", [File, Line]); true -> "" end. diff --git a/lib/stdlib/src/shell.erl b/lib/stdlib/src/shell.erl index 212b143b1d..ad4984b64c 100644 --- a/lib/stdlib/src/shell.erl +++ b/lib/stdlib/src/shell.erl @@ -1,7 +1,7 @@ %% %% %CopyrightBegin% %% -%% Copyright Ericsson AB 1996-2017. All Rights Reserved. +%% Copyright Ericsson AB 1996-2018. 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. @@ -701,7 +701,9 @@ exprs([E0|Es], Bs1, RT, Lf, Ef, Bs0, W) -> {W,V0}; true -> case result_will_be_saved() of true -> V0; - false -> ignored + false -> + erlang:garbage_collect(), + ignored end end, {{value,V,Bs,get()},Bs}; diff --git a/lib/stdlib/src/string.erl b/lib/stdlib/src/string.erl index ab041ff53c..6f5e617230 100644 --- a/lib/stdlib/src/string.erl +++ b/lib/stdlib/src/string.erl @@ -411,10 +411,12 @@ to_number(_, Number, Rest, _, Tail) -> %% Return the remaining string with prefix removed or else nomatch -spec prefix(String::unicode:chardata(), Prefix::unicode:chardata()) -> 'nomatch' | unicode:chardata(). -prefix(Str, []) -> Str; prefix(Str, Prefix0) -> - Prefix = unicode:characters_to_list(Prefix0), - case prefix_1(Str, Prefix) of + Result = case unicode:characters_to_list(Prefix0) of + [] -> Str; + Prefix -> prefix_1(Str, Prefix) + end, + case Result of [] when is_binary(Str) -> <<>>; Res -> Res end. diff --git a/lib/stdlib/src/sys.erl b/lib/stdlib/src/sys.erl index 1f966411c5..0c578acf21 100644 --- a/lib/stdlib/src/sys.erl +++ b/lib/stdlib/src/sys.erl @@ -1,7 +1,7 @@ %% %% %CopyrightBegin% %% -%% Copyright Ericsson AB 1996-2017. All Rights Reserved. +%% Copyright Ericsson AB 1996-2018. 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. @@ -38,7 +38,9 @@ -export_type([dbg_opt/0]). --type name() :: pid() | atom() | {'global', atom()}. +-type name() :: pid() | atom() + | {'global', term()} + | {'via', module(), term()}. -type system_event() :: {'in', Msg :: _} | {'in', Msg :: _, From :: _} | {'out', Msg :: _, To :: _} diff --git a/lib/stdlib/test/epp_SUITE.erl b/lib/stdlib/test/epp_SUITE.erl index 915f478dfa..9123bf2f28 100644 --- a/lib/stdlib/test/epp_SUITE.erl +++ b/lib/stdlib/test/epp_SUITE.erl @@ -1,7 +1,7 @@ %% %% %CopyrightBegin% %% -%% Copyright Ericsson AB 1998-2017. All Rights Reserved. +%% Copyright Ericsson AB 1998-2018. 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. @@ -551,8 +551,8 @@ otp_8130(Config) when is_list(Config) -> "t() -> " " L = \"{ 34 , \\\"1\\\\x{AAA}\\\" , \\\"34\\\" , X . a , $\\\\x{AAA} }\", " " R = ?M({34,\"1\\x{aaa}\",\"34\",X.a,$\\x{aaa}})," - " Lt = erl_scan:string(L, 1, [unicode])," - " Rt = erl_scan:string(R, 1, [unicode])," + " Lt = erl_scan:string(L, 1)," + " Rt = erl_scan:string(R, 1)," " Lt = Rt, ok. ">>, ok}, diff --git a/lib/stdlib/test/erl_lint_SUITE.erl b/lib/stdlib/test/erl_lint_SUITE.erl index b76bece07f..272a71432a 100644 --- a/lib/stdlib/test/erl_lint_SUITE.erl +++ b/lib/stdlib/test/erl_lint_SUITE.erl @@ -1,7 +1,7 @@ %% %% %CopyrightBegin% %% -%% Copyright Ericsson AB 1999-2017. All Rights Reserved. +%% Copyright Ericsson AB 1999-2018. 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. @@ -3981,8 +3981,9 @@ non_latin1_module(Config) -> do_non_latin1_module(Mod) -> File = atom_to_list(Mod) ++ ".erl", - Forms = [{attribute,1,file,{File,1}}, - {attribute,1,module,Mod}, + L1 = erl_anno:new(1), + Forms = [{attribute,L1,file,{File,1}}, + {attribute,L1,module,Mod}, {eof,2}], error = compile:forms(Forms), {error,_,[]} = compile:forms(Forms, [return]), diff --git a/lib/stdlib/test/erl_pp_SUITE.erl b/lib/stdlib/test/erl_pp_SUITE.erl index 808ba9b4c1..dda8d0a12e 100644 --- a/lib/stdlib/test/erl_pp_SUITE.erl +++ b/lib/stdlib/test/erl_pp_SUITE.erl @@ -1,7 +1,7 @@ %% %% %CopyrightBegin% %% -%% Copyright Ericsson AB 2006-2017. All Rights Reserved. +%% Copyright Ericsson AB 2006-2018. 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. @@ -1262,7 +1262,7 @@ parse_forms(Chars) -> parse_forms2([], _Cont, _Line, Forms) -> lists:reverse(Forms); parse_forms2(String, Cont0, Line, Forms) -> - case erl_scan:tokens(Cont0, String, Line, [unicode]) of + case erl_scan:tokens(Cont0, String, Line) of {done, {ok, Tokens, EndLine}, Chars} -> {ok, Form} = erl_parse:parse_form(Tokens), parse_forms2(Chars, [], EndLine, [Form | Forms]); @@ -1303,7 +1303,7 @@ parse_and_pp_expr(String, Indent, Options) -> erl_pp:expr(parse_expr(StringDot), Indent, Options). parse_expr(Chars) -> - {ok, Tokens, _} = erl_scan:string(Chars, 1, [unicode]), + {ok, Tokens, _} = erl_scan:string(Chars, 1), {ok, [Expr]} = erl_parse:parse_exprs(Tokens), Expr. diff --git a/lib/stdlib/test/escript_SUITE_data/unicode1 b/lib/stdlib/test/escript_SUITE_data/unicode1 index 351bb785e5..8dc9d450b8 100755 --- a/lib/stdlib/test/escript_SUITE_data/unicode1 +++ b/lib/stdlib/test/escript_SUITE_data/unicode1 @@ -8,7 +8,7 @@ main(_) -> _D = erlang:system_flag(backtrace_depth, 0), A = <<"\x{aaa}"/utf8>>, S = lists:flatten(io_lib:format("~p/~p.", [A, A])), - {ok, Ts, _} = erl_scan:string(S, 1, [unicode]), + {ok, Ts, _} = erl_scan:string(S, 1), {ok, Es} = erl_parse:parse_exprs(Ts), B = erl_eval:new_bindings(), erl_eval:exprs(Es, B). diff --git a/lib/stdlib/test/escript_SUITE_data/unicode2 b/lib/stdlib/test/escript_SUITE_data/unicode2 index 495188f6f0..d0195b036c 100755 --- a/lib/stdlib/test/escript_SUITE_data/unicode2 +++ b/lib/stdlib/test/escript_SUITE_data/unicode2 @@ -8,7 +8,7 @@ main(_) -> _D = erlang:system_flag(backtrace_depth, 0), A = <<"\x{aa}">>, S = lists:flatten(io_lib:format("~p/~p.", [A, A])), - {ok, Ts, _} = erl_scan:string(S, 1, [unicode]), + {ok, Ts, _} = erl_scan:string(S, 1), {ok, Es} = erl_parse:parse_exprs(Ts), B = erl_eval:new_bindings(), erl_eval:exprs(Es, B). diff --git a/lib/stdlib/test/ets_SUITE.erl b/lib/stdlib/test/ets_SUITE.erl index 05451a83fb..1a8260b041 100644 --- a/lib/stdlib/test/ets_SUITE.erl +++ b/lib/stdlib/test/ets_SUITE.erl @@ -6033,17 +6033,23 @@ etsmem() -> end}, {Mem,AllTabs}. -verify_etsmem({MemInfo,AllTabs}) -> + +verify_etsmem(MI) -> wait_for_test_procs(), + verify_etsmem(MI, 1). + +verify_etsmem({MemInfo,AllTabs}, Try) -> case etsmem() of {MemInfo,_} -> io:format("Ets mem info: ~p", [MemInfo]), - case MemInfo of - {ErlMem,EtsAlloc} when ErlMem == notsup; EtsAlloc == undefined -> + case {MemInfo, Try} of + {{ErlMem,EtsAlloc},_} when ErlMem == notsup; EtsAlloc == undefined -> %% Use 'erl +Mea max' to do more complete memory leak testing. {comment,"Incomplete or no mem leak testing"}; - _ -> - ok + {_, 1} -> + ok; + _ -> + {comment, "Transient memory discrepancy"} end; {MemInfo2, AllTabs2} -> @@ -6051,7 +6057,15 @@ verify_etsmem({MemInfo,AllTabs}) -> io:format("Actual: ~p", [MemInfo2]), io:format("Changed tables before: ~p\n",[AllTabs -- AllTabs2]), io:format("Changed tables after: ~p\n", [AllTabs2 -- AllTabs]), - ct:fail("Failed memory check") + case Try < 2 of + true -> + io:format("\nThis discrepancy could be caused by an " + "inconsistent memory \"snapshot\"" + "\nTry again...\n", []), + verify_etsmem({MemInfo, AllTabs}, Try+1); + false -> + ct:fail("Failed memory check") + end end. diff --git a/lib/stdlib/test/filelib_SUITE.erl b/lib/stdlib/test/filelib_SUITE.erl index c94821bc75..afaf2404fa 100644 --- a/lib/stdlib/test/filelib_SUITE.erl +++ b/lib/stdlib/test/filelib_SUITE.erl @@ -1,7 +1,7 @@ %% %% %CopyrightBegin% %% -%% Copyright Ericsson AB 2005-2017. All Rights Reserved. +%% Copyright Ericsson AB 2005-2018. 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. @@ -26,7 +26,7 @@ wildcard_one/1,wildcard_two/1,wildcard_errors/1, fold_files/1,otp_5960/1,ensure_dir_eexist/1,ensure_dir_symlink/1, wildcard_symlink/1, is_file_symlink/1, file_props_symlink/1, - find_source/1]). + find_source/1, find_source_subdir/1]). -import(lists, [foreach/2]). @@ -47,7 +47,7 @@ all() -> [wildcard_one, wildcard_two, wildcard_errors, fold_files, otp_5960, ensure_dir_eexist, ensure_dir_symlink, wildcard_symlink, is_file_symlink, file_props_symlink, - find_source]. + find_source, find_source_subdir]. groups() -> []. @@ -536,16 +536,18 @@ find_source(Config) when is_list(Config) -> [{".erl",".yrl",[{"",""}]}]), {ok, ParserErl} = filelib:find_source(code:which(core_parse)), + ParserErlName = filename:basename(ParserErl), + ParserErlDir = filename:dirname(ParserErl), {ok, ParserYrl} = filelib:find_source(ParserErl), "lry." ++ _ = lists:reverse(ParserYrl), - {ok, ParserYrl} = filelib:find_source(ParserErl, + {ok, ParserYrl} = filelib:find_source(ParserErlName, ParserErlDir, [{".beam",".erl",[{"ebin","src"}]}, {".erl",".yrl",[{"",""}]}]), %% find_source automatically checks the local directory regardless of rules {ok, ParserYrl} = filelib:find_source(ParserErl), - {ok, ParserYrl} = filelib:find_source(ParserErl, - [{".beam",".erl",[{"ebin","src"}]}]), + {ok, ParserYrl} = filelib:find_source(ParserErlName, ParserErlDir, + [{".erl",".yrl",[{"ebin","src"}]}]), %% find_file does not check the local directory unless in the rules ParserYrlName = filename:basename(ParserYrl), @@ -559,3 +561,24 @@ find_source(Config) when is_list(Config) -> {ok, ParserYrl} = filelib:find_file(ParserYrlName, ParserYrlDir), {ok, ParserYrl} = filelib:find_file(ParserYrlName, ParserYrlDir, []), ok. + +find_source_subdir(Config) when is_list(Config) -> + BeamFile = code:which(inets), % Located in lib/inets/src/inets_app/ + BeamName = filename:basename(BeamFile), + BeamDir = filename:dirname(BeamFile), + SrcName = filename:basename(BeamFile, ".beam") ++ ".erl", + + {ok, SrcFile} = filelib:find_source(BeamName, BeamDir), + SrcName = filename:basename(SrcFile), + + {error, not_found} = + filelib:find_source(BeamName, BeamDir, + [{".beam",".erl",[{"ebin","src"}]}]), + {ok, SrcFile} = + filelib:find_source(BeamName, BeamDir, + [{".beam",".erl", + [{"ebin",filename:join("src", "*")}]}]), + + {ok, SrcFile} = filelib:find_file(SrcName, BeamDir), + + ok. diff --git a/lib/stdlib/test/gen_fsm_SUITE.erl b/lib/stdlib/test/gen_fsm_SUITE.erl index 86cf58566b..41ee3246f5 100644 --- a/lib/stdlib/test/gen_fsm_SUITE.erl +++ b/lib/stdlib/test/gen_fsm_SUITE.erl @@ -1,7 +1,7 @@ %% %% %CopyrightBegin% %% -%% Copyright Ericsson AB 1996-2017. All Rights Reserved. +%% Copyright Ericsson AB 1996-2018. 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. @@ -389,7 +389,7 @@ stop10(_Config) -> Dir = filename:dirname(code:which(?MODULE)), rpc:call(Node,code,add_path,[Dir]), {ok, Pid} = rpc:call(Node,gen_fsm,start,[{global,to_stop},?MODULE,[],[]]), - global:sync(), + ok = global:sync(), ok = gen_fsm:stop({global,to_stop}), false = rpc:call(Node,erlang,is_process_alive,[Pid]), {'EXIT',noproc} = (catch gen_fsm:stop({global,to_stop})), @@ -1005,7 +1005,7 @@ undef_in_terminate(Config) when is_list(Config) -> State = {undef_in_terminate, {?MODULE, terminate}}, {ok, FSM} = gen_fsm:start(?MODULE, {state_data, State}, []), try - gen_fsm:stop(FSM), + ok = gen_fsm:stop(FSM), ct:fail(failed) catch exit:{undef, [{?MODULE, terminate, _, _}|_]} -> @@ -1201,7 +1201,7 @@ timeout({timeout,Ref,{timeout,Time}}, {From,Ref}) -> Cref = gen_fsm:start_timer(Time, cancel), Time4 = Time*4, receive after Time4 -> ok end, - gen_fsm:cancel_timer(Cref), + _= gen_fsm:cancel_timer(Cref), {next_state, timeout, {From,Ref2}}; timeout({timeout,Ref2,ok},{From,Ref2}) -> gen_fsm:reply(From, ok), diff --git a/lib/stdlib/test/gen_server_SUITE.erl b/lib/stdlib/test/gen_server_SUITE.erl index 2e9dc4d4fb..7d9561db24 100644 --- a/lib/stdlib/test/gen_server_SUITE.erl +++ b/lib/stdlib/test/gen_server_SUITE.erl @@ -1,7 +1,7 @@ %% %% %CopyrightBegin% %% -%% Copyright Ericsson AB 1996-2017. All Rights Reserved. +%% Copyright Ericsson AB 1996-2018. 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. @@ -346,7 +346,7 @@ stop10(_Config) -> Dir = filename:dirname(code:which(?MODULE)), rpc:call(Node,code,add_path,[Dir]), {ok, Pid} = rpc:call(Node,gen_server,start,[{global,to_stop},?MODULE,[],[]]), - global:sync(), + ok = global:sync(), ok = gen_server:stop({global,to_stop}), false = rpc:call(Node,erlang,is_process_alive,[Pid]), {'EXIT',noproc} = (catch gen_server:stop({global,to_stop})), @@ -467,7 +467,7 @@ start_node(Name) -> %% After starting a slave, it takes a little while until global knows %% about it, even if nodes() includes it, so we make sure that global %% knows about it before registering something on all nodes. - global:sync(), + ok = global:sync(), N. call_remote1(Config) when is_list(Config) -> @@ -605,7 +605,7 @@ cast_fast(Config) when is_list(Config) -> cast_fast_messup() -> %% Register a false node: hopp@hostname unregister(erl_epmd), - erl_epmd:start_link(), + {ok, _} = erl_epmd:start_link(), {ok,S} = gen_tcp:listen(0, []), {ok,P} = inet:port(S), {ok,_Creation} = erl_epmd:register_node(hopp, P), @@ -1309,7 +1309,7 @@ do_call_with_huge_message_queue() -> {Time,ok} = tc(fun() -> calls(10000, Pid) end), - [self() ! {msg,N} || N <- lists:seq(1, 500000)], + _ = [self() ! {msg,N} || N <- lists:seq(1, 500000)], erlang:garbage_collect(), {NewTime,ok} = tc(fun() -> calls(10000, Pid) end), io:format("Time for empty message queue: ~p", [Time]), @@ -1426,7 +1426,7 @@ undef_in_terminate(Config) when is_list(Config) -> State = {undef_in_terminate, {oc_server, terminate}}, {ok, Server} = gen_server:start(?MODULE, {state, State}, []), try - gen_server:stop(Server), + ok = gen_server:stop(Server), ct:fail(failed) catch exit:{undef, [{oc_server, terminate, [], _}|_]} -> @@ -1615,7 +1615,7 @@ handle_cast({From,delayed_cast,T}, _State) -> handle_cast(hibernate_now, _State) -> {noreply, [], hibernate}; handle_cast(hibernate_later, _State) -> - timer:send_after(1000,self(),hibernate_now), + {ok, _} = timer:send_after(1000,self(),hibernate_now), {noreply, []}; handle_cast({call_undef_fun, Mod, Fun}, State) -> Mod:Fun(), diff --git a/lib/stdlib/test/io_SUITE.erl b/lib/stdlib/test/io_SUITE.erl index e2c73371cd..16e3dba969 100644 --- a/lib/stdlib/test/io_SUITE.erl +++ b/lib/stdlib/test/io_SUITE.erl @@ -1,7 +1,7 @@ %% %% %CopyrightBegin% %% -%% Copyright Ericsson AB 1999-2017. All Rights Reserved. +%% Copyright Ericsson AB 1999-2018. 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. @@ -714,7 +714,7 @@ p(Term, D) -> rp(Term, 1, 80, D). p(Term, Col, Ll, D) -> - rp(Term, Col, Ll, D, no_fun). + rp(Term, Col, Ll, D, none). rp(Term, Col, Ll, D) -> rp(Term, Col, Ll, D, fun rfd/2). @@ -724,6 +724,8 @@ rp(Term, Col, Ll, D) -> rp(Term, Col, Ll, D, RF) -> rp(Term, Col, Ll, D, ?MAXCS, RF). +rp(Term, Col, Ll, D, M, none) -> + rp(Term, Col, Ll, D, M, fun(_, _) -> no end); rp(Term, Col, Ll, D, M, RF) -> %% io:format("~n~n*** Col = ~p Ll = ~p D = ~p~n~p~n-->~n", %% [Col, Ll, D, Term]), diff --git a/lib/stdlib/test/re_SUITE.erl b/lib/stdlib/test/re_SUITE.erl index 71f86e32e5..7b82647416 100644 --- a/lib/stdlib/test/re_SUITE.erl +++ b/lib/stdlib/test/re_SUITE.erl @@ -894,10 +894,13 @@ match_limit(Config) when is_list(Config) -> %% Test that we get sub-binaries if subject is a binary and we capture %% binaries. sub_binaries(Config) when is_list(Config) -> - Bin = list_to_binary(lists:seq(1,255)), - {match,[B,C]}=re:run(Bin,"(a)",[{capture,all,binary}]), - 255 = binary:referenced_byte_size(B), - 255 = binary:referenced_byte_size(C), - {match,[D]}=re:run(Bin,"(a)",[{capture,[1],binary}]), - 255 = binary:referenced_byte_size(D), + %% The GC can auto-convert tiny sub-binaries to heap binaries, so we + %% extract large sequences to make the test more stable. + Bin = << <<I>> || I <- lists:seq(1, 4096) >>, + {match,[B,C]}=re:run(Bin,"a(.+)$",[{capture,all,binary}]), + true = byte_size(B) =/= byte_size(C), + 4096 = binary:referenced_byte_size(B), + 4096 = binary:referenced_byte_size(C), + {match,[D]}=re:run(Bin,"a(.+)$",[{capture,[1],binary}]), + 4096 = binary:referenced_byte_size(D), ok. diff --git a/lib/stdlib/test/shell_SUITE.erl b/lib/stdlib/test/shell_SUITE.erl index 217e8cc252..ca85314775 100644 --- a/lib/stdlib/test/shell_SUITE.erl +++ b/lib/stdlib/test/shell_SUITE.erl @@ -1,7 +1,7 @@ %% %% %CopyrightBegin% %% -%% Copyright Ericsson AB 2004-2017. All Rights Reserved. +%% Copyright Ericsson AB 2004-2018. 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. @@ -561,9 +561,10 @@ otp_5226(Config) when is_list(Config) -> otp_5327(Config) when is_list(Config) -> "exception error: bad argument" = comm_err(<<"<<\"hej\":default>>.">>), + L1 = erl_anno:new(1), <<"abc">> = - erl_parse:normalise({bin,1,[{bin_element,1,{string,1,"abc"}, - default,default}]}), + erl_parse:normalise({bin,L1,[{bin_element,L1,{string,L1,"abc"}, + default,default}]}), [<<"abc">>] = scan(<<"<<(<<\"abc\">>):3/binary>>.">>), [<<"abc">>] = scan(<<"<<(<<\"abc\">>)/binary>>.">>), "exception error: bad argument" = @@ -576,9 +577,9 @@ otp_5327(Config) when is_list(Config) -> comm_err(<<"<<10:default>>.">>), [<<98,1:1>>] = scan(<<"<<3:3,5:6>>.">>), {'EXIT',{badarg,_}} = - (catch erl_parse:normalise({bin,1,[{bin_element,1,{integer,1,17}, - {atom,1,all}, - default}]})), + (catch erl_parse:normalise({bin,L1,[{bin_element,L1,{integer,L1,17}, + {atom,L1,all}, + default}]})), [<<-20/signed>>] = scan(<<"<<-20/signed>> = <<-20>>.">>), [<<-300:16/signed>>] = scan(<<"<<-300:16/signed>> = <<-300:16>>.">>), @@ -2784,7 +2785,7 @@ otp_10302(Config) when is_list(Config) -> <<"begin A = <<\"\\xaa\">>, S = lists:flatten(io_lib:format(\"~p/~p.\", [A, A])), - {ok, Ts, _} = erl_scan:string(S, 1, [unicode]), + {ok, Ts, _} = erl_scan:string(S, 1), {ok, Es} = erl_parse:parse_exprs(Ts), B = erl_eval:new_bindings(), erl_eval:exprs(Es, B) @@ -2797,7 +2798,7 @@ otp_10302(Config) when is_list(Config) -> <<"io:setopts([{encoding,utf8}]). A = <<\"\\xaa\">>, S = lists:flatten(io_lib:format(\"~p/~p.\", [A, A])), - {ok, Ts, _} = erl_scan:string(S, 1, [unicode]), + {ok, Ts, _} = erl_scan:string(S, 1), {ok, Es} = erl_parse:parse_exprs(Ts), B = erl_eval:new_bindings(), erl_eval:exprs(Es, B).">>, @@ -2809,7 +2810,7 @@ otp_10302(Config) when is_list(Config) -> <<"begin A = [1089], S = lists:flatten(io_lib:format(\"~tp/~tp.\", [A, A])), - {ok, Ts, _} = erl_scan:string(S, 1, [unicode]), + {ok, Ts, _} = erl_scan:string(S, 1), {ok, Es} = erl_parse:parse_exprs(Ts), B = erl_eval:new_bindings(), erl_eval:exprs(Es, B) @@ -2821,7 +2822,7 @@ otp_10302(Config) when is_list(Config) -> <<"io:setopts([{encoding,utf8}]). A = [1089], S = lists:flatten(io_lib:format(\"~tp/~tp.\", [A, A])), - {ok, Ts, _} = erl_scan:string(S, 1, [unicode]), + {ok, Ts, _} = erl_scan:string(S, 1), {ok, Es} = erl_parse:parse_exprs(Ts), B = erl_eval:new_bindings(), erl_eval:exprs(Es, B).">>, @@ -2940,7 +2941,7 @@ otp_14296(Config) when is_list(Config) -> end(), fun() -> - Port = open_port({spawn, "ls"}, [line]), + Port = open_port({spawn, "ls"}, [{line,1}]), KnownPort = erlang:port_to_list(Port), S = KnownPort ++ ".", R = KnownPort ++ ".\n", @@ -3012,7 +3013,7 @@ scan(B) -> scan(t(B), F). scan(S0, F) -> - case erl_scan:tokens([], S0, 1, [unicode]) of + case erl_scan:tokens([], S0, 1) of {done,{ok,Ts,_},S} -> [F(Ts) | scan(S, F)]; _Else -> diff --git a/lib/stdlib/test/string_SUITE.erl b/lib/stdlib/test/string_SUITE.erl index f43bfb4482..17714b8d4d 100644 --- a/lib/stdlib/test/string_SUITE.erl +++ b/lib/stdlib/test/string_SUITE.erl @@ -485,6 +485,10 @@ to_float(_) -> prefix(_) -> ?TEST("", ["a"], nomatch), ?TEST("a", [""], "a"), + ?TEST("a", [[[]]], "a"), + ?TEST("a", [<<>>], "a"), + ?TEST("a", [[<<>>]], "a"), + ?TEST("a", [[[<<>>]]], "a"), ?TEST("b", ["a"], nomatch), ?TEST("a", ["a"], ""), ?TEST("å", ["a"], nomatch), |