diff options
Diffstat (limited to 'lib/stdlib/src')
68 files changed, 1863 insertions, 555 deletions
diff --git a/lib/stdlib/src/Makefile b/lib/stdlib/src/Makefile index 9f4a446ea0..302834f9d0 100644 --- a/lib/stdlib/src/Makefile +++ b/lib/stdlib/src/Makefile @@ -1,7 +1,7 @@ # # %CopyrightBegin% # -# Copyright Ericsson AB 1996-2015. All Rights Reserved. +# Copyright Ericsson AB 1996-2016. 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. @@ -85,6 +85,7 @@ MODULES= \ gen_event \ gen_fsm \ gen_server \ + gen_statem \ io \ io_lib \ io_lib_format \ diff --git a/lib/stdlib/src/array.erl b/lib/stdlib/src/array.erl index c749dd008b..d5757dda5b 100644 --- a/lib/stdlib/src/array.erl +++ b/lib/stdlib/src/array.erl @@ -1,7 +1,7 @@ %% %% %CopyrightBegin% %% -%% Copyright Ericsson AB 2007-2014. All Rights Reserved. +%% Copyright Ericsson AB 2007-2016. 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. diff --git a/lib/stdlib/src/base64.erl b/lib/stdlib/src/base64.erl index ac532f7ee0..bf259e6691 100644 --- a/lib/stdlib/src/base64.erl +++ b/lib/stdlib/src/base64.erl @@ -1,7 +1,7 @@ %% %% %CopyrightBegin% %% -%% Copyright Ericsson AB 2007-2013. All Rights Reserved. +%% Copyright Ericsson AB 2007-2016. 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. diff --git a/lib/stdlib/src/beam_lib.erl b/lib/stdlib/src/beam_lib.erl index 7a17226e46..fe9df601eb 100644 --- a/lib/stdlib/src/beam_lib.erl +++ b/lib/stdlib/src/beam_lib.erl @@ -46,7 +46,7 @@ terminate/2,code_change/3]). -export([make_crypto_key/2, get_crypto_key/1]). %Utilities used by compiler --export_type([attrib_entry/0, compinfo_entry/0, labeled_entry/0]). +-export_type([attrib_entry/0, compinfo_entry/0, labeled_entry/0, label/0]). -import(lists, [append/1, delete/2, foreach/2, keysort/2, member/2, reverse/1, sort/1, splitwith/2]). diff --git a/lib/stdlib/src/binary.erl b/lib/stdlib/src/binary.erl index fb0c395d70..ccc827ca2d 100644 --- a/lib/stdlib/src/binary.erl +++ b/lib/stdlib/src/binary.erl @@ -1,7 +1,7 @@ %% %% %CopyrightBegin% %% -%% Copyright Ericsson AB 2010-2013. All Rights Reserved. +%% Copyright Ericsson AB 2010-2016. 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. diff --git a/lib/stdlib/src/c.erl b/lib/stdlib/src/c.erl index a8844d757d..ad4915eabe 100644 --- a/lib/stdlib/src/c.erl +++ b/lib/stdlib/src/c.erl @@ -1,7 +1,7 @@ %% %% %CopyrightBegin% %% -%% Copyright Ericsson AB 1996-2013. All Rights Reserved. +%% Copyright Ericsson AB 1996-2016. 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. diff --git a/lib/stdlib/src/calendar.erl b/lib/stdlib/src/calendar.erl index 074c504e00..55a0cfc9a1 100644 --- a/lib/stdlib/src/calendar.erl +++ b/lib/stdlib/src/calendar.erl @@ -1,7 +1,7 @@ %% %% %CopyrightBegin% %% -%% Copyright Ericsson AB 1996-2011. All Rights Reserved. +%% Copyright Ericsson AB 1996-2016. 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. diff --git a/lib/stdlib/src/dets.hrl b/lib/stdlib/src/dets.hrl index be51e1a89c..6ebeb96156 100644 --- a/lib/stdlib/src/dets.hrl +++ b/lib/stdlib/src/dets.hrl @@ -1,7 +1,7 @@ %% %% %CopyrightBegin% %% -%% Copyright Ericsson AB 2001-2011. All Rights Reserved. +%% Copyright Ericsson AB 2001-2016. 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. diff --git a/lib/stdlib/src/dets_server.erl b/lib/stdlib/src/dets_server.erl index e3c9447c6f..b02d6ae159 100644 --- a/lib/stdlib/src/dets_server.erl +++ b/lib/stdlib/src/dets_server.erl @@ -1,7 +1,7 @@ %% %% %CopyrightBegin% %% -%% Copyright Ericsson AB 2001-2014. All Rights Reserved. +%% Copyright Ericsson AB 2001-2016. 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. diff --git a/lib/stdlib/src/dets_sup.erl b/lib/stdlib/src/dets_sup.erl index e0087c58b4..43609cb8a1 100644 --- a/lib/stdlib/src/dets_sup.erl +++ b/lib/stdlib/src/dets_sup.erl @@ -1,7 +1,7 @@ %% %% %CopyrightBegin% %% -%% Copyright Ericsson AB 2002-2010. All Rights Reserved. +%% Copyright Ericsson AB 2002-2016. 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. diff --git a/lib/stdlib/src/digraph_utils.erl b/lib/stdlib/src/digraph_utils.erl index ef4c2e94fe..4aa9ae810d 100644 --- a/lib/stdlib/src/digraph_utils.erl +++ b/lib/stdlib/src/digraph_utils.erl @@ -1,7 +1,7 @@ %% %% %CopyrightBegin% %% -%% Copyright Ericsson AB 1999-2014. All Rights Reserved. +%% Copyright Ericsson AB 1999-2016. 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. diff --git a/lib/stdlib/src/edlin.erl b/lib/stdlib/src/edlin.erl index 0e9c457de2..71e8471c45 100644 --- a/lib/stdlib/src/edlin.erl +++ b/lib/stdlib/src/edlin.erl @@ -1,7 +1,7 @@ %% %% %CopyrightBegin% %% -%% Copyright Ericsson AB 1996-2013. All Rights Reserved. +%% Copyright Ericsson AB 1996-2016. 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. diff --git a/lib/stdlib/src/edlin_expand.erl b/lib/stdlib/src/edlin_expand.erl index 6dd736da4c..ec64470461 100644 --- a/lib/stdlib/src/edlin_expand.erl +++ b/lib/stdlib/src/edlin_expand.erl @@ -1,7 +1,7 @@ %% %% %CopyrightBegin% %% -%% Copyright Ericsson AB 2005-2010. All Rights Reserved. +%% Copyright Ericsson AB 2005-2016. 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. diff --git a/lib/stdlib/src/epp.erl b/lib/stdlib/src/epp.erl index 936c095aef..40eba4ad67 100644 --- a/lib/stdlib/src/epp.erl +++ b/lib/stdlib/src/epp.erl @@ -1,7 +1,7 @@ %% %% %CopyrightBegin% %% -%% Copyright Ericsson AB 1996-2015. All Rights Reserved. +%% Copyright Ericsson AB 1996-2016. 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. @@ -43,13 +43,18 @@ -type name() :: atom(). -type argspec() :: 'none' %No arguments | non_neg_integer(). %Number of arguments +-type argnames() :: [atom()]. -type tokens() :: [erl_scan:token()]. +-type predef() :: 'undefined' | {'none', tokens()}. +-type userdef() :: {argspec(), {argnames(), tokens()}}. -type used() :: {name(), argspec()}. -type function_name_type() :: 'undefined' | {atom(),non_neg_integer()} | tokens(). +-type warning_info() :: {erl_anno:location(), module(), term()}. + -define(DEFAULT_ENCODING, utf8). %% Epp state record. @@ -63,7 +68,7 @@ sstk=[] :: [#epp{}], %State stack path=[] :: [file:name()], %Include-path macs = #{} %Macros (don't care locations) - :: #{name() => {argspec(), tokens()}}, + :: #{name() => predef() | [userdef()]}, uses = #{} %Macro use structure :: #{name() => [{argspec(), [used()]}]}, default_encoding = ?DEFAULT_ENCODING :: source_encoding(), @@ -155,11 +160,13 @@ scan_erl_form(Epp) -> epp_request(Epp, scan_erl_form). -spec parse_erl_form(Epp) -> - {'ok', AbsForm} | {'eof', Line} | {error, ErrorInfo} when + {'ok', AbsForm} | {error, ErrorInfo} | + {'warning',WarningInfo} | {'eof',Line} when Epp :: epp_handle(), AbsForm :: erl_parse:abstract_form(), Line :: erl_anno:line(), - ErrorInfo :: erl_scan:error_info() | erl_parse:error_info(). + ErrorInfo :: erl_scan:error_info() | erl_parse:error_info(), + WarningInfo :: warning_info(). parse_erl_form(Epp) -> case epp_request(Epp, scan_erl_form) of @@ -216,6 +223,10 @@ format_error({illegal_function_usage,Macro}) -> io_lib:format("?~s must not begin a form", [Macro]); format_error({'NYI',What}) -> io_lib:format("not yet implemented '~s'", [What]); +format_error({error,Term}) -> + io_lib:format("-error(~p).", [Term]); +format_error({warning,Term}) -> + io_lib:format("-warning(~p).", [Term]); format_error(E) -> file:format_error(E). -spec parse_file(FileName, IncludePath, PredefMacros) -> @@ -260,9 +271,11 @@ parse_file(Ifile, Options) -> -spec parse_file(Epp) -> [Form] when Epp :: epp_handle(), - Form :: erl_parse:abstract_form() | {'error', ErrorInfo} | {'eof',Line}, + Form :: erl_parse:abstract_form() | {'error', ErrorInfo} | + {'warning',WarningInfo} | {'eof',Line}, Line :: erl_anno:line(), - ErrorInfo :: erl_scan:error_info() | erl_parse:error_info(). + ErrorInfo :: erl_scan:error_info() | erl_parse:error_info(), + WarningInfo :: warning_info(). parse_file(Epp) -> case parse_erl_form(Epp) of @@ -270,6 +283,8 @@ parse_file(Epp) -> [Form|parse_file(Epp)]; {error,E} -> [{error,E}|parse_file(Epp)]; + {warning,W} -> + [{warning,W}|parse_file(Epp)]; {eof,Location} -> [{eof,erl_anno:new(Location)}] end. @@ -749,6 +764,10 @@ scan_toks([{'-',_Lh},{atom,_Ld,define}=Define|Toks], From, St) -> scan_define(Toks, Define, From, St); scan_toks([{'-',_Lh},{atom,_Ld,undef}=Undef|Toks], From, St) -> scan_undef(Toks, Undef, From, St); +scan_toks([{'-',_Lh},{atom,_Ld,error}=Error|Toks], From, St) -> + scan_err_warn(Toks, Error, From, St); +scan_toks([{'-',_Lh},{atom,_Ld,warning}=Warn|Toks], From, St) -> + scan_err_warn(Toks, Warn, From, St); scan_toks([{'-',_Lh},{atom,_Li,include}=Inc|Toks], From, St) -> scan_include(Toks, Inc, From, St); scan_toks([{'-',_Lh},{atom,_Li,include_lib}=IncLib|Toks], From, St) -> @@ -804,6 +823,24 @@ scan_extends([{atom,Ln,A}=ModAtom,{')',_Lr}|_Ts], Ms0) -> Ms#{'BASE_MODULE_STRING':={none,[{string,Ln,ModString}]}}; scan_extends(_Ts, Ms) -> Ms. +scan_err_warn([{'(',_}|_]=Toks0, {atom,_,Tag}=Token, From, St) -> + try expand_macros(Toks0, St) of + Toks when is_list(Toks) -> + case erl_parse:parse_term(Toks) of + {ok,Term} -> + epp_reply(From, {Tag,{loc(Token),epp,{Tag,Term}}}); + {error,_} -> + epp_reply(From, {error,{loc(Token),epp,{bad,Tag}}}) + end + catch + _:_ -> + epp_reply(From, {error,{loc(Token),epp,{bad,Tag}}}) + end, + wait_req_scan(St); +scan_err_warn(_Toks, {atom,_,Tag}=Token, From, St) -> + epp_reply(From, {error,{loc(Token),epp,{bad,Tag}}}), + wait_req_scan(St). + %% scan_define(Tokens, DefineToken, From, EppState) scan_define([{'(',_Lp},{Type,_Lm,_}=Mac|Toks], Def, From, St) @@ -917,11 +954,15 @@ scan_undef(_Toks, Undef, From, St) -> %% scan_include(Tokens, IncludeToken, From, St) -scan_include([{'(',_Llp},{string,_Lf,NewName0},{')',_Lrp},{dot,_Ld}], Inc, - From, St) -> +scan_include(Tokens0, Inc, From, St) -> + Tokens = coalesce_strings(Tokens0), + scan_include1(Tokens, Inc, From, St). + +scan_include1([{'(',_Llp},{string,_Lf,NewName0},{')',_Lrp},{dot,_Ld}], Inc, + From, St) -> NewName = expand_var(NewName0), enter_file(NewName, Inc, From, St); -scan_include(_Toks, Inc, From, St) -> +scan_include1(_Toks, Inc, From, St) -> epp_reply(From, {error,{loc(Inc),epp,{bad,include}}}), wait_req_scan(St). @@ -930,29 +971,38 @@ scan_include(_Toks, Inc, From, St) -> %% normal search path, if not we assume that the first directory name %% is a library name, find its true directory and try with that. -find_lib_dir(NewName) -> - [Lib | Rest] = filename:split(NewName), - {code:lib_dir(list_to_atom(Lib)), Rest}. +expand_lib_dir(Name) -> + try + [App|Path] = filename:split(Name), + LibDir = code:lib_dir(list_to_atom(App)), + {ok,fname_join([LibDir|Path])} + catch + _:_ -> + error + end. + +scan_include_lib(Tokens0, Inc, From, St) -> + Tokens = coalesce_strings(Tokens0), + scan_include_lib1(Tokens, Inc, From, St). -scan_include_lib([{'(',_Llp},{string,_Lf,_NewName0},{')',_Lrp},{dot,_Ld}], - Inc, From, St) +scan_include_lib1([{'(',_Llp},{string,_Lf,_NewName0},{')',_Lrp},{dot,_Ld}], + Inc, From, St) when length(St#epp.sstk) >= 8 -> epp_reply(From, {error,{loc(Inc),epp,{depth,"include_lib"}}}), wait_req_scan(St); -scan_include_lib([{'(',_Llp},{string,_Lf,NewName0},{')',_Lrp},{dot,_Ld}], - Inc, From, St) -> +scan_include_lib1([{'(',_Llp},{string,_Lf,NewName0},{')',_Lrp},{dot,_Ld}], + Inc, From, St) -> NewName = expand_var(NewName0), Loc = start_loc(St#epp.location), case file:path_open(St#epp.path, NewName, [read]) of {ok,NewF,Pname} -> wait_req_scan(enter_file2(NewF, Pname, From, St, Loc)); {error,_E1} -> - case catch find_lib_dir(NewName) of - {LibDir, Rest} when is_list(LibDir) -> - LibName = fname_join([LibDir | Rest]), - case file:open(LibName, [read]) of + case expand_lib_dir(NewName) of + {ok,Header} -> + case file:open(Header, [read]) of {ok,NewF} -> - wait_req_scan(enter_file2(NewF, LibName, From, + wait_req_scan(enter_file2(NewF, Header, From, St, Loc)); {error,_E2} -> epp_reply(From, @@ -960,13 +1010,13 @@ scan_include_lib([{'(',_Llp},{string,_Lf,NewName0},{')',_Lrp},{dot,_Ld}], {include,lib,NewName}}}), wait_req_scan(St) end; - _Error -> + error -> epp_reply(From, {error,{loc(Inc),epp, {include,lib,NewName}}}), wait_req_scan(St) end end; -scan_include_lib(_Toks, Inc, From, St) -> +scan_include_lib1(_Toks, Inc, From, St) -> epp_reply(From, {error,{loc(Inc),epp,{bad,include_lib}}}), wait_req_scan(St). @@ -1068,8 +1118,12 @@ scan_endif(_Toks, Endif, From, St) -> %% Set the current file and line to the given file and line. %% Note that the line of the attribute itself is kept. -scan_file([{'(',_Llp},{string,_Ls,Name},{',',_Lc},{integer,_Li,Ln},{')',_Lrp}, - {dot,_Ld}], Tf, From, St) -> +scan_file(Tokens0, Tf, From, St) -> + Tokens = coalesce_strings(Tokens0), + scan_file1(Tokens, Tf, From, St). + +scan_file1([{'(',_Llp},{string,_Ls,Name},{',',_Lc},{integer,_Li,Ln},{')',_Lrp}, + {dot,_Ld}], Tf, From, St) -> Anno = erl_anno:new(Ln), enter_file_reply(From, Name, Anno, loc(Tf), generated), Ms0 = St#epp.macs, @@ -1078,7 +1132,7 @@ scan_file([{'(',_Llp},{string,_Ls,Name},{',',_Lc},{integer,_Li,Ln},{')',_Lrp}, NewLoc = new_location(Ln, St#epp.location, Locf), Delta = get_line(element(2, Tf))-Ln + St#epp.delta, wait_req_scan(St#epp{name2=Name,location=NewLoc,delta=Delta,macs=Ms}); -scan_file(_Toks, Tf, From, St) -> +scan_file1(_Toks, Tf, From, St) -> epp_reply(From, {error,{loc(Tf),epp,{bad,file}}}), wait_req_scan(St). @@ -1495,6 +1549,18 @@ stringify(Ts, L) -> [$\s | S] = lists:flatten(stringify1(Ts)), [{string, L, S}]. +coalesce_strings([{string,A,S} | Tokens]) -> + coalesce_strings(Tokens, A, [S]); +coalesce_strings([T | Tokens]) -> + [T | coalesce_strings(Tokens)]; +coalesce_strings([]) -> + []. + +coalesce_strings([{string,_,S}|Tokens], A, S0) -> + coalesce_strings(Tokens, A, [S | S0]); +coalesce_strings(Tokens, A, S) -> + [{string,A,lists:append(lists:reverse(S))} | coalesce_strings(Tokens)]. + %% epp_request(Epp) %% epp_request(Epp, Request) %% epp_reply(From, Reply) diff --git a/lib/stdlib/src/erl_bits.erl b/lib/stdlib/src/erl_bits.erl index ddcfcfdf02..5851401026 100644 --- a/lib/stdlib/src/erl_bits.erl +++ b/lib/stdlib/src/erl_bits.erl @@ -1,7 +1,7 @@ %% %% %CopyrightBegin% %% -%% Copyright Ericsson AB 1999-2009. All Rights Reserved. +%% Copyright Ericsson AB 1999-2016. 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. diff --git a/lib/stdlib/src/erl_compile.erl b/lib/stdlib/src/erl_compile.erl index 5ca233cde7..a6ae398d03 100644 --- a/lib/stdlib/src/erl_compile.erl +++ b/lib/stdlib/src/erl_compile.erl @@ -1,7 +1,7 @@ %% %% %CopyrightBegin% %% -%% Copyright Ericsson AB 1997-2014. All Rights Reserved. +%% Copyright Ericsson AB 1997-2016. 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. @@ -60,6 +60,7 @@ compile_cmdline() -> _ -> my_halt(2) end. +-spec my_halt(_) -> no_return(). my_halt(Reason) -> erlang:halt(Reason). diff --git a/lib/stdlib/src/erl_expand_records.erl b/lib/stdlib/src/erl_expand_records.erl index 9c0a7fb7d5..ebcbc54ab1 100644 --- a/lib/stdlib/src/erl_expand_records.erl +++ b/lib/stdlib/src/erl_expand_records.erl @@ -1,7 +1,7 @@ %% %% %CopyrightBegin% %% -%% Copyright Ericsson AB 2005-2015. All Rights Reserved. +%% Copyright Ericsson AB 2005-2016. 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. @@ -37,8 +37,9 @@ checked_ra=[] % successfully accessed records }). --spec(module(AbsForms, CompileOptions) -> AbsForms when +-spec(module(AbsForms, CompileOptions) -> AbsForms2 when AbsForms :: [erl_parse:abstract_form()], + AbsForms2 :: [erl_parse:abstract_form()], CompileOptions :: [compile:option()]). %% Is is assumed that Fs is a valid list of forms. It should pass diff --git a/lib/stdlib/src/erl_internal.erl b/lib/stdlib/src/erl_internal.erl index f7711d0ad7..c08328b4b7 100644 --- a/lib/stdlib/src/erl_internal.erl +++ b/lib/stdlib/src/erl_internal.erl @@ -1,7 +1,7 @@ %% %% %CopyrightBegin% %% -%% Copyright Ericsson AB 1998-2014. All Rights Reserved. +%% Copyright Ericsson AB 1998-2016. 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. diff --git a/lib/stdlib/src/erl_lint.erl b/lib/stdlib/src/erl_lint.erl index 4ca9a609a8..e9332ce069 100644 --- a/lib/stdlib/src/erl_lint.erl +++ b/lib/stdlib/src/erl_lint.erl @@ -99,7 +99,7 @@ value_option(Flag, Default, On, OnVal, Off, OffVal, Opts) -> module='', %Module behaviour=[], %Behaviour exports=gb_sets:empty() :: gb_sets:set(fa()),%Exports - imports=[] :: [fa()], %Imports, an orddict() + imports=[] :: orddict:orddict(fa(), module()),%Imports compile=[], %Compile flags records=dict:new() %Record definitions :: dict:dict(atom(), {line(),Fields :: term()}), @@ -467,7 +467,7 @@ used_vars(Exprs, BindingsList) -> %% really all ordsets! -spec(module(AbsForms) -> {ok, Warnings} | {error, Errors, Warnings} when - AbsForms :: [erl_parse:abstract_form()], + AbsForms :: [erl_parse:abstract_form() | erl_parse:form_info()], Warnings :: [{file:filename(),[ErrorInfo]}], Errors :: [{FileName2 :: file:filename(),[ErrorInfo]}], ErrorInfo :: error_info()). @@ -479,7 +479,7 @@ module(Forms) -> -spec(module(AbsForms, FileName) -> {ok, Warnings} | {error, Errors, Warnings} when - AbsForms :: [erl_parse:abstract_form()], + AbsForms :: [erl_parse:abstract_form() | erl_parse:form_info()], FileName :: atom() | string(), Warnings :: [{file:filename(),[ErrorInfo]}], Errors :: [{FileName2 :: file:filename(),[ErrorInfo]}], @@ -492,7 +492,7 @@ module(Forms, FileName) -> -spec(module(AbsForms, FileName, CompileOptions) -> {ok, Warnings} | {error, Errors, Warnings} when - AbsForms :: [erl_parse:abstract_form()], + AbsForms :: [erl_parse:abstract_form() | erl_parse:form_info()], FileName :: atom() | string(), CompileOptions :: [compile:option()], Warnings :: [{file:filename(),[ErrorInfo]}], @@ -1502,7 +1502,7 @@ pattern({op,_Line,'++',{string,_Li,_S},R}, Vt, Old, Bvt, St) -> pattern({match,_Line,Pat1,Pat2}, Vt, Old, Bvt, St0) -> {Lvt,Bvt1,St1} = pattern(Pat1, Vt, Old, Bvt, St0), {Rvt,Bvt2,St2} = pattern(Pat2, Vt, Old, Bvt, St1), - St3 = reject_bin_alias(Pat1, Pat2, St2), + St3 = reject_invalid_alias(Pat1, Pat2, Vt, St2), {vtmerge_pat(Lvt, Rvt),vtmerge_pat(Bvt1,Bvt2),St3}; %% Catch legal constant expressions, including unary +,-. pattern(Pat, _Vt, _Old, _Bvt, St) -> @@ -1517,56 +1517,77 @@ pattern_list(Ps, Vt, Old, Bvt0, St) -> {vtmerge_pat(Pvt, Psvt),vtmerge_pat(Bvt,Bvt1),St1} end, {[],[],St}, Ps). -%% reject_bin_alias(Pat, Expr, St) -> St' + + +%% reject_invalid_alias(Pat, Expr, Vt, St) -> St' %% Reject aliases for binary patterns at the top level. +%% Reject aliases for maps patterns at the top level. +%% The variables table (Vt) are for maps checkking. -reject_bin_alias_expr({bin,_,_}=P, {match,_,P0,E}, St0) -> - St = reject_bin_alias(P, P0, St0), - reject_bin_alias_expr(P, E, St); -reject_bin_alias_expr({match,_,_,_}=P, {match,_,P0,E}, St0) -> - St = reject_bin_alias(P, P0, St0), - reject_bin_alias_expr(P, E, St); -reject_bin_alias_expr(_, _, St) -> St. +reject_invalid_alias_expr({bin,_,_}=P, {match,_,P0,E}, Vt, St0) -> + St = reject_invalid_alias(P, P0, Vt, St0), + reject_invalid_alias_expr(P, E, Vt, St); +reject_invalid_alias_expr({map,_,_}=P, {match,_,P0,E}, Vt, St0) -> + St = reject_invalid_alias(P, P0, Vt, St0), + reject_invalid_alias_expr(P, E, Vt, St); +reject_invalid_alias_expr({match,_,_,_}=P, {match,_,P0,E}, Vt, St0) -> + St = reject_invalid_alias(P, P0, Vt, St0), + reject_invalid_alias_expr(P, E, Vt, St); +reject_invalid_alias_expr(_, _, _, St) -> St. -%% reject_bin_alias(Pat1, Pat2, St) -> St' + +%% reject_invalid_alias(Pat1, Pat2, St) -> St' %% Aliases of binary patterns, such as <<A:8>> = <<B:4,C:4>> or even %% <<A:8>> = <<A:8>>, are not allowed. Traverse the patterns in parallel %% and generate an error if any binary aliases are found. %% We generate an error even if is obvious that the overall pattern can't %% possibly match, for instance, {a,<<A:8>>,c}={x,<<A:8>>} WILL generate an %% error. +%% Maps should reject unbound variables here. -reject_bin_alias({bin,Line,_}, {bin,_,_}, St) -> +reject_invalid_alias({bin,Line,_}, {bin,_,_}, _, St) -> add_error(Line, illegal_bin_pattern, St); -reject_bin_alias({cons,_,H1,T1}, {cons,_,H2,T2}, St0) -> - St = reject_bin_alias(H1, H2, St0), - reject_bin_alias(T1, T2, St); -reject_bin_alias({tuple,_,Es1}, {tuple,_,Es2}, St) -> - reject_bin_alias_list(Es1, Es2, St); -reject_bin_alias({record,_,Name1,Pfs1}, {record,_,Name2,Pfs2}, +reject_invalid_alias({map,_Line,Ps1}, {map,_,Ps2}, Vt, St0) -> + Fun = fun ({map_field_exact,L,{var,_,K},_V}, Sti) -> + case is_var_bound(K,Vt) of + true -> + Sti; + false -> + add_error(L, {unbound_var,K}, Sti) + end; + ({map_field_exact,_L,_K,_V}, Sti) -> + Sti + end, + foldl(Fun, foldl(Fun, St0, Ps1), Ps2); +reject_invalid_alias({cons,_,H1,T1}, {cons,_,H2,T2}, Vt, St0) -> + St = reject_invalid_alias(H1, H2, Vt, St0), + reject_invalid_alias(T1, T2, Vt, St); +reject_invalid_alias({tuple,_,Es1}, {tuple,_,Es2}, Vt, St) -> + reject_invalid_alias_list(Es1, Es2, Vt, St); +reject_invalid_alias({record,_,Name1,Pfs1}, {record,_,Name2,Pfs2}, Vt, #lint{records=Recs}=St) -> case {dict:find(Name1, Recs),dict:find(Name2, Recs)} of {{ok,{_Line1,Fields1}},{ok,{_Line2,Fields2}}} -> - reject_bin_alias_rec(Pfs1, Pfs2, Fields1, Fields2, St); + reject_invalid_alias_rec(Pfs1, Pfs2, Fields1, Fields2, Vt, St); {_,_} -> %% One or more non-existing records. (An error messages has %% already been generated, so we are done here.) St end; -reject_bin_alias({match,_,P1,P2}, P, St0) -> - St = reject_bin_alias(P1, P, St0), - reject_bin_alias(P2, P, St); -reject_bin_alias(P, {match,_,_,_}=M, St) -> - reject_bin_alias(M, P, St); -reject_bin_alias(_P1, _P2, St) -> St. - -reject_bin_alias_list([E1|Es1], [E2|Es2], St0) -> - St = reject_bin_alias(E1, E2, St0), - reject_bin_alias_list(Es1, Es2, St); -reject_bin_alias_list(_, _, St) -> St. - -reject_bin_alias_rec(PfsA0, PfsB0, FieldsA0, FieldsB0, St) -> +reject_invalid_alias({match,_,P1,P2}, P, Vt, St0) -> + St = reject_invalid_alias(P1, P, Vt, St0), + reject_invalid_alias(P2, P, Vt, St); +reject_invalid_alias(P, {match,_,_,_}=M, Vt, St) -> + reject_invalid_alias(M, P, Vt, St); +reject_invalid_alias(_P1, _P2, _Vt, St) -> St. + +reject_invalid_alias_list([E1|Es1], [E2|Es2], Vt, St0) -> + St = reject_invalid_alias(E1, E2, Vt, St0), + reject_invalid_alias_list(Es1, Es2, Vt, St); +reject_invalid_alias_list(_, _, _, St) -> St. + +reject_invalid_alias_rec(PfsA0, PfsB0, FieldsA0, FieldsB0, Vt, St) -> %% We treat records as if they have been converted to tuples. PfsA1 = rbia_field_vars(PfsA0), PfsB1 = rbia_field_vars(PfsB0), @@ -1582,7 +1603,7 @@ reject_bin_alias_rec(PfsA0, PfsB0, FieldsA0, FieldsB0, St) -> D = sofs:projection({external,fun({_,_,P1,_,P2}) -> {P1,P2} end}, C), E = sofs:to_external(D), {Ps1,Ps2} = lists:unzip(E), - reject_bin_alias_list(Ps1, Ps2, St). + reject_invalid_alias_list(Ps1, Ps2, Vt, St). rbia_field_vars(Fs) -> [{Name,Pat} || {record_field,_,{atom,_,Name},Pat} <- Fs]. @@ -2284,7 +2305,7 @@ expr({'catch',Line,E}, Vt, St0) -> expr({match,_Line,P,E}, Vt, St0) -> {Evt,St1} = expr(E, Vt, St0), {Pvt,Bvt,St2} = pattern(P, vtupdate(Evt, Vt), St1), - St = reject_bin_alias_expr(P, E, St2), + St = reject_invalid_alias_expr(P, E, Vt, St2), {vtupdate(Bvt, vtmerge(Evt, Pvt)),St}; %% No comparison or boolean operators yet. expr({op,_Line,_Op,A}, Vt, St) -> @@ -2381,7 +2402,7 @@ is_valid_call(Call) -> _ -> true end. -%% is_valid_map_key(K,St) -> true | false +%% is_valid_map_key(K) -> true | false %% variables are allowed for patterns only at the top of the tree is_valid_map_key({var,_,_}) -> true; @@ -2653,6 +2674,8 @@ find_field(_F, []) -> error. %% Attr :: 'type' | 'opaque' %% Checks that a type definition is valid. +-dialyzer({no_match, type_def/6}). + type_def(Attr, Line, TypeName, ProtoType, Args, St0) -> TypeDefs = St0#lint.types, Arity = length(Args), @@ -2714,8 +2737,6 @@ check_type(Types, St) -> check_type({ann_type, _L, [_Var, Type]}, SeenVars, St) -> check_type(Type, SeenVars, St); -check_type({paren_type, _L, [Type]}, SeenVars, St) -> - check_type(Type, SeenVars, St); check_type({remote_type, L, [{atom, _, Mod}, {atom, _, Name}, Args]}, SeenVars, St0) -> St = deprecated_type(L, Mod, Name, Args, St0), @@ -2755,10 +2776,8 @@ check_type({type, L, range, [From, To]}, SeenVars, St) -> _ -> add_error(L, {type_syntax, range}, St) end, {SeenVars, St1}; -check_type({type, L, map, any}, SeenVars, St) -> - %% To get usage right while map/0 is a newly_introduced_builtin_type. - St1 = used_type({map, 0}, L, St), - {SeenVars, St1}; +check_type({type, _L, map, any}, SeenVars, St) -> + {SeenVars, St}; check_type({type, _L, map, Pairs}, SeenVars, St) -> lists:foldl(fun(Pair, {AccSeenVars, AccSt}) -> check_type(Pair, AccSeenVars, AccSt) @@ -2866,7 +2885,6 @@ used_type(TypePair, L, #lint{usage = Usage, file = File} = St) -> is_default_type({Name, NumberOfTypeVariables}) -> erl_internal:is_type(Name, NumberOfTypeVariables). -is_newly_introduced_builtin_type({map, 0}) -> true; is_newly_introduced_builtin_type({Name, _}) when is_atom(Name) -> false. is_obsolete_builtin_type(TypePair) -> @@ -3416,6 +3434,14 @@ warn_unused_vars(U, Vt, St0) -> UVt = map(fun ({V,{State,_,Ls}}) -> {V,{State,used,Ls}} end, U), {vtmerge(Vt, UVt), St1}. + +is_var_bound(V, Vt) -> + case orddict:find(V, Vt) of + {ok,{bound,_Usage,_}} -> true; + _ -> false + end. + + %% vtupdate(UpdVarTable, VarTable) -> VarTable. %% Add the variables in the updated vartable to VarTable. The variables %% will be updated with their property in UpdVarTable. The state of diff --git a/lib/stdlib/src/erl_parse.yrl b/lib/stdlib/src/erl_parse.yrl index 6f8e5e8449..85b2816451 100644 --- a/lib/stdlib/src/erl_parse.yrl +++ b/lib/stdlib/src/erl_parse.yrl @@ -172,7 +172,11 @@ fun_type -> '(' top_types ')' '->' top_type map_pair_types -> map_pair_type : ['$1']. map_pair_types -> map_pair_type ',' map_pair_types : ['$1'|'$3']. -map_pair_type -> top_type '=>' top_type : {type, ?anno('$2'), map_field_assoc,['$1','$3']}. + +map_pair_type -> top_type '=>' top_type : {type, ?anno('$2'), + map_field_assoc,['$1','$3']}. +map_pair_type -> top_type ':=' top_type : {type, ?anno('$2'), + map_field_exact,['$1','$3']}. field_types -> field_type : ['$1']. field_types -> field_type ',' field_types : ['$1'|'$3']. @@ -527,7 +531,7 @@ Erlang code. -compile([{hipe,[{regalloc,linear_scan}]}]). -export_type([abstract_clause/0, abstract_expr/0, abstract_form/0, - abstract_type/0, error_info/0]). + abstract_type/0, form_info/0, error_info/0]). %% Start of Abstract Format @@ -539,7 +543,6 @@ Erlang code. | af_export() | af_import() | af_export_type() - | af_optional_callbacks() | af_compile() | af_file() | af_record_decl() @@ -566,9 +569,6 @@ Erlang code. -type af_ta_list() :: [{type_name(), arity()}]. --type af_optional_callbacks() :: - {'attribute', anno(), 'optional_callbacks', af_fa_list()}. - -type af_compile() :: {'attribute', anno(), 'compile', any()}. -type af_file() :: {'attribute', anno(), 'file', {string(), anno()}}. @@ -810,7 +810,8 @@ Erlang code. | {'type', anno(), 'map', [af_map_pair_type()]}. -type af_map_pair_type() :: - {'type', anno(), 'map_field_assoc', [abstract_type()]}. + {'type', anno(), 'map_field_assoc', [abstract_type()]} + | {'type', anno(), 'map_field_exact', [abstract_type()]}. -type af_predefined_type() :: {'type', anno(), type_name(), [abstract_type()]}. @@ -859,16 +860,22 @@ Erlang code. | af_unary_op(af_singleton_integer_type()) | af_binary_op(af_singleton_integer_type()). --type af_literal() :: af_atom() | af_integer() | af_float() | af_string(). +-type af_literal() :: af_atom() + | af_character() + | af_float() + | af_integer() + | af_string(). -type af_atom() :: af_lit_atom(atom()). -type af_lit_atom(A) :: {'atom', anno(), A}. --type af_integer() :: {'integer', anno(), non_neg_integer()}. +-type af_character() :: {'char', anno(), char()}. -type af_float() :: {'float', anno(), float()}. +-type af_integer() :: {'integer', anno(), non_neg_integer()}. + -type af_string() :: {'string', anno(), string()}. -type af_match(T) :: {'match', anno(), af_pattern(), T}. @@ -936,6 +943,10 @@ Erlang code. -type type_name() :: atom(). +-type form_info() :: {'eof', erl_anno:line()} + | {'error', erl_scan:error_info() | error_info()} + | {'warning', erl_scan:error_info() | error_info()}. + %% End of Abstract Format %% XXX. To be refined. @@ -1495,8 +1506,9 @@ type_preop_prec('#') -> {700,800}. | abstract_type(). -spec map_anno(Fun, Abstr) -> NewAbstr when - Fun :: fun((Anno) -> Anno), + Fun :: fun((Anno) -> NewAnno), Anno :: erl_anno:anno(), + NewAnno :: erl_anno:anno(), Abstr :: erl_parse_tree(), NewAbstr :: erl_parse_tree(). @@ -1505,14 +1517,14 @@ map_anno(F0, Abstr) -> {NewAbstr, []} = modify_anno1(Abstr, [], F), NewAbstr. --spec fold_anno(Fun, Acc0, Abstr) -> NewAbstr when +-spec fold_anno(Fun, Acc0, Abstr) -> Acc1 when Fun :: fun((Anno, AccIn) -> AccOut), Anno :: erl_anno:anno(), Acc0 :: term(), + Acc1 :: term(), AccIn :: term(), AccOut :: term(), - Abstr :: erl_parse_tree(), - NewAbstr :: erl_parse_tree(). + Abstr :: erl_parse_tree(). fold_anno(F0, Acc0, Abstr) -> F = fun(A, Acc) -> {A, F0(A, Acc)} end, @@ -1520,8 +1532,9 @@ fold_anno(F0, Acc0, Abstr) -> NewAcc. -spec mapfold_anno(Fun, Acc0, Abstr) -> {NewAbstr, Acc1} when - Fun :: fun((Anno, AccIn) -> {Anno, AccOut}), + Fun :: fun((Anno, AccIn) -> {NewAnno, AccOut}), Anno :: erl_anno:anno(), + NewAnno :: erl_anno:anno(), Acc0 :: term(), Acc1 :: term(), AccIn :: term(), @@ -1537,7 +1550,9 @@ mapfold_anno(F, Acc0, Abstr) -> Abstr :: erl_parse_tree(). new_anno(Term) -> - map_anno(fun erl_anno:new/1, Term). + F = fun(L, Acc) -> {erl_anno:new(L), Acc} end, + {NewAbstr, []} = modify_anno1(Term, [], F), + NewAbstr. -spec anno_to_term(Abstr) -> term() when Abstr :: erl_parse_tree(). diff --git a/lib/stdlib/src/erl_posix_msg.erl b/lib/stdlib/src/erl_posix_msg.erl index 5eac230631..bfafca1ff7 100644 --- a/lib/stdlib/src/erl_posix_msg.erl +++ b/lib/stdlib/src/erl_posix_msg.erl @@ -1,7 +1,7 @@ %% %% %CopyrightBegin% %% -%% Copyright Ericsson AB 1997-2010. All Rights Reserved. +%% Copyright Ericsson AB 1997-2016. 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. diff --git a/lib/stdlib/src/erl_pp.erl b/lib/stdlib/src/erl_pp.erl index c5177aca90..d30cd508c1 100644 --- a/lib/stdlib/src/erl_pp.erl +++ b/lib/stdlib/src/erl_pp.erl @@ -1,7 +1,7 @@ %% %% %CopyrightBegin% %% -%% Copyright Ericsson AB 1996-2015. All Rights Reserved. +%% Copyright Ericsson AB 1996-2016. 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. @@ -70,19 +70,19 @@ %%% -spec(form(Form) -> io_lib:chars() when - Form :: erl_parse:abstract_form()). + Form :: erl_parse:abstract_form() | erl_parse:form_info()). form(Thing) -> form(Thing, none). -spec(form(Form, Options) -> io_lib:chars() when - Form :: erl_parse:abstract_form(), + Form :: erl_parse:abstract_form() | erl_parse:form_info(), Options :: options()). form(Thing, Options) -> ?TEST(Thing), State = state(Options), - frmt(lform(Thing, options(Options), State), State). + frmt(lform(Thing, options(Options)), State). -spec(attribute(Attribute) -> io_lib:chars() when Attribute :: erl_parse:abstract_form()). @@ -97,7 +97,7 @@ attribute(Thing) -> attribute(Thing, Options) -> ?TEST(Thing), State = state(Options), - frmt(lattribute(Thing, options(Options), State), State). + frmt(lattribute(Thing, options(Options)), State). -spec(function(Function) -> io_lib:chars() when Function :: erl_parse:abstract_form()). @@ -217,55 +217,55 @@ encoding(Options) -> unicode -> unicode end. -lform({attribute,Line,Name,Arg}, Opts, State) -> - lattribute({attribute,Line,Name,Arg}, Opts, State); -lform({function,Line,Name,Arity,Clauses}, Opts, _State) -> +lform({attribute,Line,Name,Arg}, Opts) -> + lattribute({attribute,Line,Name,Arg}, Opts); +lform({function,Line,Name,Arity,Clauses}, Opts) -> lfunction({function,Line,Name,Arity,Clauses}, Opts); %% These are specials to make it easier for the compiler. -lform({error,E}, _Opts, _State) -> +lform({error,E}, _Opts) -> leaf(format("~p\n", [{error,E}])); -lform({warning,W}, _Opts, _State) -> +lform({warning,W}, _Opts) -> leaf(format("~p\n", [{warning,W}])); -lform({eof,_Line}, _Opts, _State) -> +lform({eof,_Line}, _Opts) -> $\n. -lattribute({attribute,_Line,type,Type}, Opts, _State) -> +lattribute({attribute,_Line,type,Type}, Opts) -> [typeattr(type, Type, Opts),leaf(".\n")]; -lattribute({attribute,_Line,opaque,Type}, Opts, _State) -> +lattribute({attribute,_Line,opaque,Type}, Opts) -> [typeattr(opaque, Type, Opts),leaf(".\n")]; -lattribute({attribute,_Line,spec,Arg}, _Opts, _State) -> +lattribute({attribute,_Line,spec,Arg}, _Opts) -> [specattr(spec, Arg),leaf(".\n")]; -lattribute({attribute,_Line,callback,Arg}, _Opts, _State) -> +lattribute({attribute,_Line,callback,Arg}, _Opts) -> [specattr(callback, Arg),leaf(".\n")]; -lattribute({attribute,_Line,Name,Arg}, Opts, State) -> - [lattribute(Name, Arg, Opts, State),leaf(".\n")]. +lattribute({attribute,_Line,Name,Arg}, Opts) -> + [lattribute(Name, Arg, Opts),leaf(".\n")]. -lattribute(module, {M,Vs}, _Opts, _State) -> +lattribute(module, {M,Vs}, _Opts) -> A = a0(), attr("module",[{var,A,pname(M)}, foldr(fun(V, C) -> {cons,A,{var,A,V},C} end, {nil,A}, Vs)]); -lattribute(module, M, _Opts, _State) -> +lattribute(module, M, _Opts) -> attr("module", [{var,a0(),pname(M)}]); -lattribute(export, Falist, _Opts, _State) -> +lattribute(export, Falist, _Opts) -> call({var,a0(),"-export"}, [falist(Falist)], 0, options(none)); -lattribute(import, Name, _Opts, _State) when is_list(Name) -> +lattribute(import, Name, _Opts) when is_list(Name) -> attr("import", [{var,a0(),pname(Name)}]); -lattribute(import, {From,Falist}, _Opts, _State) -> +lattribute(import, {From,Falist}, _Opts) -> attr("import",[{var,a0(),pname(From)},falist(Falist)]); -lattribute(export_type, Talist, _Opts, _State) -> +lattribute(export_type, Talist, _Opts) -> call({var,a0(),"-export_type"}, [falist(Talist)], 0, options(none)); -lattribute(optional_callbacks, Falist, Opts, _State) -> +lattribute(optional_callbacks, Falist, Opts) -> ArgL = try falist(Falist) catch _:_ -> abstract(Falist, Opts) end, call({var,a0(),"-optional_callbacks"}, [ArgL], 0, options(none)); -lattribute(file, {Name,Line}, _Opts, State) -> - attr("file", [{var,a0(),(State#pp.string_fun)(Name)},{integer,a0(),Line}]); -lattribute(record, {Name,Is}, Opts, _State) -> +lattribute(file, {Name,Line}, _Opts) -> + attr("file", [{string,a0(),Name},{integer,a0(),Line}]); +lattribute(record, {Name,Is}, Opts) -> Nl = leaf(format("-record(~w,", [Name])), [{first,Nl,record_fields(Is, Opts)},$)]; -lattribute(Name, Arg, Options, _State) -> +lattribute(Name, Arg, Options) -> attr(write(Name), [abstract(Arg, Options)]). abstract(Arg, #options{encoding = Encoding}) -> @@ -348,7 +348,9 @@ map_pair_types(Fs) -> tuple_type(Fs, fun map_pair_type/2). map_pair_type({type,_Line,map_field_assoc,[KType,VType]}, Prec) -> - {list,[{cstep,[ltype(KType, Prec),leaf(" =>")],ltype(VType, Prec)}]}. + {list,[{cstep,[ltype(KType, Prec),leaf(" =>")],ltype(VType, Prec)}]}; +map_pair_type({type,_Line,map_field_exact,[KType,VType]}, Prec) -> + {list,[{cstep,[ltype(KType, Prec),leaf(" :=")],ltype(VType, Prec)}]}. record_type(Name, Fields) -> {first,[record_name(Name)],field_types(Fields)}. diff --git a/lib/stdlib/src/erl_tar.erl b/lib/stdlib/src/erl_tar.erl index d0e7a827a8..a383a0fc67 100644 --- a/lib/stdlib/src/erl_tar.erl +++ b/lib/stdlib/src/erl_tar.erl @@ -1,7 +1,7 @@ %% %% %CopyrightBegin% %% -%% Copyright Ericsson AB 1997-2013. All Rights Reserved. +%% Copyright Ericsson AB 1997-2016. 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. diff --git a/lib/stdlib/src/error_logger_file_h.erl b/lib/stdlib/src/error_logger_file_h.erl index fea1656051..665685d3ee 100644 --- a/lib/stdlib/src/error_logger_file_h.erl +++ b/lib/stdlib/src/error_logger_file_h.erl @@ -1,7 +1,7 @@ %% %% %CopyrightBegin% %% -%% Copyright Ericsson AB 1996-2012. All Rights Reserved. +%% Copyright Ericsson AB 1996-2016. 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. diff --git a/lib/stdlib/src/error_logger_tty_h.erl b/lib/stdlib/src/error_logger_tty_h.erl index d2df6681e3..cb22a8c0b6 100644 --- a/lib/stdlib/src/error_logger_tty_h.erl +++ b/lib/stdlib/src/error_logger_tty_h.erl @@ -1,7 +1,7 @@ %% %% %CopyrightBegin% %% -%% Copyright Ericsson AB 1996-2013. All Rights Reserved. +%% Copyright Ericsson AB 1996-2016. 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. diff --git a/lib/stdlib/src/escript.erl b/lib/stdlib/src/escript.erl index b8ce311c35..f53b0e2246 100644 --- a/lib/stdlib/src/escript.erl +++ b/lib/stdlib/src/escript.erl @@ -906,6 +906,7 @@ anno(L) -> fatal(Str) -> throw(Str). +-spec my_halt(_) -> no_return(). my_halt(Reason) -> erlang:halt(Reason). diff --git a/lib/stdlib/src/ets.erl b/lib/stdlib/src/ets.erl index 1fca3624dc..3f74e01692 100644 --- a/lib/stdlib/src/ets.erl +++ b/lib/stdlib/src/ets.erl @@ -1,7 +1,7 @@ %% %% %CopyrightBegin% %% -%% Copyright Ericsson AB 1996-2014. All Rights Reserved. +%% Copyright Ericsson AB 1996-2016. 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. diff --git a/lib/stdlib/src/eval_bits.erl b/lib/stdlib/src/eval_bits.erl index b3698fb3f5..80667023fb 100644 --- a/lib/stdlib/src/eval_bits.erl +++ b/lib/stdlib/src/eval_bits.erl @@ -2,7 +2,7 @@ %% %% %CopyrightBegin% %% -%% Copyright Ericsson AB 1999-2013. All Rights Reserved. +%% Copyright Ericsson AB 1999-2016. 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. diff --git a/lib/stdlib/src/filelib.erl b/lib/stdlib/src/filelib.erl index 51ffd1cff9..7029389e2f 100644 --- a/lib/stdlib/src/filelib.erl +++ b/lib/stdlib/src/filelib.erl @@ -1,7 +1,7 @@ %% %% %CopyrightBegin% %% -%% Copyright Ericsson AB 1997-2013. All Rights Reserved. +%% Copyright Ericsson AB 1997-2016. 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. diff --git a/lib/stdlib/src/filename.erl b/lib/stdlib/src/filename.erl index 37f87b1ff9..c4586171ca 100644 --- a/lib/stdlib/src/filename.erl +++ b/lib/stdlib/src/filename.erl @@ -1,7 +1,7 @@ %% %% %CopyrightBegin% %% -%% Copyright Ericsson AB 1997-2014. All Rights Reserved. +%% Copyright Ericsson AB 1997-2016. 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. diff --git a/lib/stdlib/src/gen.erl b/lib/stdlib/src/gen.erl index a05c2ce6fd..597830cf9a 100644 --- a/lib/stdlib/src/gen.erl +++ b/lib/stdlib/src/gen.erl @@ -1,7 +1,7 @@ %% %% %CopyrightBegin% %% -%% Copyright Ericsson AB 1996-2014. All Rights Reserved. +%% Copyright Ericsson AB 1996-2016. 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 +26,8 @@ %%% %%% The standard behaviour should export init_it/6. %%%----------------------------------------------------------------- --export([start/5, start/6, debug_options/1, +-export([start/5, start/6, debug_options/2, + name/1, unregister_name/1, get_proc_name/1, get_parent/0, call/3, call/4, reply/2, stop/1, stop/3]). -export([init_it/6, init_it/7]). @@ -124,7 +125,7 @@ init_it(GenMod, Starter, Parent, Mod, Args, Options) -> init_it2(GenMod, Starter, Parent, self(), Mod, Args, Options). init_it(GenMod, Starter, Parent, Name, Mod, Args, Options) -> - case name_register(Name) of + case register_name(Name) of true -> init_it2(GenMod, Starter, Parent, Name, Mod, Args, Options); {false, Pid} -> @@ -297,19 +298,19 @@ where({global, Name}) -> global:whereis_name(Name); where({via, Module, Name}) -> Module:whereis_name(Name); where({local, Name}) -> whereis(Name). -name_register({local, Name} = LN) -> +register_name({local, Name} = LN) -> try register(Name, self()) of true -> true catch error:_ -> {false, where(LN)} end; -name_register({global, Name} = GN) -> +register_name({global, Name} = GN) -> case global:register_name(Name, self()) of yes -> true; no -> {false, where(GN)} end; -name_register({via, Module, Name} = GN) -> +register_name({via, Module, Name} = GN) -> case Module:register_name(Name, self()) of yes -> true; @@ -317,34 +318,108 @@ name_register({via, Module, Name} = GN) -> {false, where(GN)} end. +name({local,Name}) -> Name; +name({global,Name}) -> Name; +name({via,_, Name}) -> Name; +name(Pid) when is_pid(Pid) -> Pid. + +unregister_name({local,Name}) -> + try unregister(Name) of + _ -> ok + catch + _:_ -> ok + end; +unregister_name({global,Name}) -> + _ = global:unregister_name(Name), + ok; +unregister_name({via, Mod, Name}) -> + _ = Mod:unregister_name(Name), + ok; +unregister_name(Pid) when is_pid(Pid) -> + ok. + +get_proc_name(Pid) when is_pid(Pid) -> + Pid; +get_proc_name({local, Name}) -> + case process_info(self(), registered_name) of + {registered_name, Name} -> + Name; + {registered_name, _Name} -> + exit(process_not_registered); + [] -> + exit(process_not_registered) + end; +get_proc_name({global, Name}) -> + case global:whereis_name(Name) of + undefined -> + exit(process_not_registered_globally); + Pid when Pid =:= self() -> + Name; + _Pid -> + exit(process_not_registered_globally) + end; +get_proc_name({via, Mod, Name}) -> + case Mod:whereis_name(Name) of + undefined -> + exit({process_not_registered_via, Mod}); + Pid when Pid =:= self() -> + Name; + _Pid -> + exit({process_not_registered_via, Mod}) + end. + +get_parent() -> + case get('$ancestors') of + [Parent | _] when is_pid(Parent) -> + Parent; + [Parent | _] when is_atom(Parent) -> + name_to_pid(Parent); + _ -> + exit(process_was_not_started_by_proc_lib) + end. + +name_to_pid(Name) -> + case whereis(Name) of + undefined -> + case global:whereis_name(Name) of + undefined -> + exit(could_not_find_registered_name); + Pid -> + Pid + end; + Pid -> + Pid + end. + timeout(Options) -> - case opt(timeout, Options) of - {ok, Time} -> + case lists:keyfind(timeout, 1, Options) of + {_,Time} -> Time; - _ -> + false -> infinity end. spawn_opts(Options) -> - case opt(spawn_opt, Options) of - {ok, Opts} -> + case lists:keyfind(spawn_opt, 1, Options) of + {_,Opts} -> Opts; - _ -> + false -> [] end. -opt(Op, [{Op, Value}|_]) -> - {ok, Value}; -opt(Op, [_|Options]) -> - opt(Op, Options); -opt(_, []) -> - false. - -debug_options(Opts) -> - case opt(debug, Opts) of - {ok, Options} -> sys:debug_options(Options); - _ -> [] +debug_options(Name, Opts) -> + case lists:keyfind(debug, 1, Opts) of + {_,Options} -> + try sys:debug_options(Options) + catch _:_ -> + error_logger:format( + "~p: ignoring erroneous debug options - ~p~n", + [Name,Options]), + [] + end; + false -> + [] end. format_status_header(TagLine, Pid) when is_pid(Pid) -> diff --git a/lib/stdlib/src/gen_event.erl b/lib/stdlib/src/gen_event.erl index 3d63c19de7..ccacf658e9 100644 --- a/lib/stdlib/src/gen_event.erl +++ b/lib/stdlib/src/gen_event.erl @@ -1,7 +1,7 @@ %% %% %CopyrightBegin% %% -%% Copyright Ericsson AB 1996-2014. All Rights Reserved. +%% Copyright Ericsson AB 1996-2016. 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. @@ -147,16 +147,11 @@ init_it(Starter, self, Name, Mod, Args, Options) -> init_it(Starter, self(), Name, Mod, Args, Options); init_it(Starter, Parent, Name0, _, _, Options) -> process_flag(trap_exit, true), - Debug = gen:debug_options(Options), + Name = gen:name(Name0), + Debug = gen:debug_options(Name, Options), proc_lib:init_ack(Starter, {ok, self()}), - Name = name(Name0), loop(Parent, Name, [], Debug, false). -name({local,Name}) -> Name; -name({global,Name}) -> Name; -name({via,_, Name}) -> Name; -name(Pid) when is_pid(Pid) -> Pid. - -spec add_handler(emgr_ref(), handler(), term()) -> term(). add_handler(M, Handler, Args) -> rpc(M, {add_handler, Handler, Args}). diff --git a/lib/stdlib/src/gen_fsm.erl b/lib/stdlib/src/gen_fsm.erl index 7eabb95548..6e7528fd98 100644 --- a/lib/stdlib/src/gen_fsm.erl +++ b/lib/stdlib/src/gen_fsm.erl @@ -1,7 +1,7 @@ %% %% %CopyrightBegin% %% -%% Copyright Ericsson AB 1996-2014. All Rights Reserved. +%% Copyright Ericsson AB 1996-2016. 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. @@ -305,64 +305,11 @@ enter_loop(Mod, Options, StateName, StateData, Timeout) -> enter_loop(Mod, Options, StateName, StateData, self(), Timeout). enter_loop(Mod, Options, StateName, StateData, ServerName, Timeout) -> - Name = get_proc_name(ServerName), - Parent = get_parent(), - Debug = gen:debug_options(Options), + Name = gen:get_proc_name(ServerName), + Parent = gen:get_parent(), + Debug = gen:debug_options(Name, Options), loop(Parent, Name, StateName, StateData, Mod, Timeout, Debug). -get_proc_name(Pid) when is_pid(Pid) -> - Pid; -get_proc_name({local, Name}) -> - case process_info(self(), registered_name) of - {registered_name, Name} -> - Name; - {registered_name, _Name} -> - exit(process_not_registered); - [] -> - exit(process_not_registered) - end; -get_proc_name({global, Name}) -> - case global:whereis_name(Name) of - undefined -> - exit(process_not_registered_globally); - Pid when Pid =:= self() -> - Name; - _Pid -> - exit(process_not_registered_globally) - end; -get_proc_name({via, Mod, Name}) -> - case Mod:whereis_name(Name) of - undefined -> - exit({process_not_registered_via, Mod}); - Pid when Pid =:= self() -> - Name; - _Pid -> - exit({process_not_registered_via, Mod}) - end. - -get_parent() -> - case get('$ancestors') of - [Parent | _] when is_pid(Parent) -> - Parent; - [Parent | _] when is_atom(Parent) -> - name_to_pid(Parent); - _ -> - exit(process_was_not_started_by_proc_lib) - end. - -name_to_pid(Name) -> - case whereis(Name) of - undefined -> - case global:whereis_name(Name) of - undefined -> - exit(could_not_find_registered_name); - Pid -> - Pid - end; - Pid -> - Pid - end. - %%% --------------------------------------------------- %%% Initiate the new process. %%% Register the name using the Rfunc function @@ -373,8 +320,8 @@ name_to_pid(Name) -> init_it(Starter, self, Name, Mod, Args, Options) -> init_it(Starter, self(), Name, Mod, Args, Options); init_it(Starter, Parent, Name0, Mod, Args, Options) -> - Name = name(Name0), - Debug = gen:debug_options(Options), + Name = gen:name(Name0), + Debug = gen:debug_options(Name, Options), case catch Mod:init(Args) of {ok, StateName, StateData} -> proc_lib:init_ack(Starter, {ok, self()}), @@ -383,15 +330,15 @@ init_it(Starter, Parent, Name0, Mod, Args, Options) -> proc_lib:init_ack(Starter, {ok, self()}), loop(Parent, Name, StateName, StateData, Mod, Timeout, Debug); {stop, Reason} -> - unregister_name(Name0), + gen:unregister_name(Name0), proc_lib:init_ack(Starter, {error, Reason}), exit(Reason); ignore -> - unregister_name(Name0), + gen:unregister_name(Name0), proc_lib:init_ack(Starter, ignore), exit(normal); {'EXIT', Reason} -> - unregister_name(Name0), + gen:unregister_name(Name0), proc_lib:init_ack(Starter, {error, Reason}), exit(Reason); Else -> @@ -400,20 +347,6 @@ init_it(Starter, Parent, Name0, Mod, Args, Options) -> exit(Error) end. -name({local,Name}) -> Name; -name({global,Name}) -> Name; -name({via,_, Name}) -> Name; -name(Pid) when is_pid(Pid) -> Pid. - -unregister_name({local,Name}) -> - _ = (catch unregister(Name)); -unregister_name({global,Name}) -> - _ = global:unregister_name(Name); -unregister_name({via, Mod, Name}) -> - _ = Mod:unregister_name(Name); -unregister_name(Pid) when is_pid(Pid) -> - Pid. - %%----------------------------------------------------------------- %% The MAIN loop %%----------------------------------------------------------------- diff --git a/lib/stdlib/src/gen_server.erl b/lib/stdlib/src/gen_server.erl index c58b1de609..5800aca66f 100644 --- a/lib/stdlib/src/gen_server.erl +++ b/lib/stdlib/src/gen_server.erl @@ -1,7 +1,7 @@ %% %% %CopyrightBegin% %% -%% Copyright Ericsson AB 1996-2014. All Rights Reserved. +%% Copyright Ericsson AB 1996-2016. 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. @@ -304,9 +304,9 @@ enter_loop(Mod, Options, State, Timeout) -> enter_loop(Mod, Options, State, self(), Timeout). enter_loop(Mod, Options, State, ServerName, Timeout) -> - Name = get_proc_name(ServerName), - Parent = get_parent(), - Debug = debug_options(Name, Options), + Name = gen:get_proc_name(ServerName), + Parent = gen:get_parent(), + Debug = gen:debug_options(Name, Options), loop(Parent, Name, State, Mod, Timeout, Debug). %%%======================================================================== @@ -323,8 +323,8 @@ enter_loop(Mod, Options, State, ServerName, Timeout) -> init_it(Starter, self, Name, Mod, Args, Options) -> init_it(Starter, self(), Name, Mod, Args, Options); init_it(Starter, Parent, Name0, Mod, Args, Options) -> - Name = name(Name0), - Debug = debug_options(Name, Options), + Name = gen:name(Name0), + Debug = gen:debug_options(Name, Options), case catch Mod:init(Args) of {ok, State} -> proc_lib:init_ack(Starter, {ok, self()}), @@ -339,15 +339,15 @@ init_it(Starter, Parent, Name0, Mod, Args, Options) -> %% (Otherwise, the parent process could get %% an 'already_started' error if it immediately %% tried starting the process again.) - unregister_name(Name0), + gen:unregister_name(Name0), proc_lib:init_ack(Starter, {error, Reason}), exit(Reason); ignore -> - unregister_name(Name0), + gen:unregister_name(Name0), proc_lib:init_ack(Starter, ignore), exit(normal); {'EXIT', Reason} -> - unregister_name(Name0), + gen:unregister_name(Name0), proc_lib:init_ack(Starter, {error, Reason}), exit(Reason); Else -> @@ -356,20 +356,6 @@ init_it(Starter, Parent, Name0, Mod, Args, Options) -> exit(Error) end. -name({local,Name}) -> Name; -name({global,Name}) -> Name; -name({via,_, Name}) -> Name; -name(Pid) when is_pid(Pid) -> Pid. - -unregister_name({local,Name}) -> - _ = (catch unregister(Name)); -unregister_name({global,Name}) -> - _ = global:unregister_name(Name); -unregister_name({via, Mod, Name}) -> - _ = Mod:unregister_name(Name); -unregister_name(Pid) when is_pid(Pid) -> - Pid. - %%%======================================================================== %%% Internal functions %%%======================================================================== @@ -858,86 +844,6 @@ error_info(Reason, Name, Msg, State, Debug) -> sys:print_log(Debug), ok. -%%% --------------------------------------------------- -%%% Misc. functions. -%%% --------------------------------------------------- - -opt(Op, [{Op, Value}|_]) -> - {ok, Value}; -opt(Op, [_|Options]) -> - opt(Op, Options); -opt(_, []) -> - false. - -debug_options(Name, Opts) -> - case opt(debug, Opts) of - {ok, Options} -> dbg_opts(Name, Options); - _ -> [] - end. - -dbg_opts(Name, Opts) -> - case catch sys:debug_options(Opts) of - {'EXIT',_} -> - format("~p: ignoring erroneous debug options - ~p~n", - [Name, Opts]), - []; - Dbg -> - Dbg - end. - -get_proc_name(Pid) when is_pid(Pid) -> - Pid; -get_proc_name({local, Name}) -> - case process_info(self(), registered_name) of - {registered_name, Name} -> - Name; - {registered_name, _Name} -> - exit(process_not_registered); - [] -> - exit(process_not_registered) - end; -get_proc_name({global, Name}) -> - case global:whereis_name(Name) of - undefined -> - exit(process_not_registered_globally); - Pid when Pid =:= self() -> - Name; - _Pid -> - exit(process_not_registered_globally) - end; -get_proc_name({via, Mod, Name}) -> - case Mod:whereis_name(Name) of - undefined -> - exit({process_not_registered_via, Mod}); - Pid when Pid =:= self() -> - Name; - _Pid -> - exit({process_not_registered_via, Mod}) - end. - -get_parent() -> - case get('$ancestors') of - [Parent | _] when is_pid(Parent)-> - Parent; - [Parent | _] when is_atom(Parent)-> - name_to_pid(Parent); - _ -> - exit(process_was_not_started_by_proc_lib) - end. - -name_to_pid(Name) -> - case whereis(Name) of - undefined -> - case global:whereis_name(Name) of - undefined -> - exit(could_not_find_registered_name); - Pid -> - Pid - end; - Pid -> - Pid - end. - %%----------------------------------------------------------------- %% Status information %%----------------------------------------------------------------- diff --git a/lib/stdlib/src/gen_statem.erl b/lib/stdlib/src/gen_statem.erl new file mode 100644 index 0000000000..23bddafeed --- /dev/null +++ b/lib/stdlib/src/gen_statem.erl @@ -0,0 +1,1308 @@ +%% +%% %CopyrightBegin% +%% +%% Copyright Ericsson AB 2016. 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. +%% You may obtain a copy of the License at +%% +%% http://www.apache.org/licenses/LICENSE-2.0 +%% +%% Unless required by applicable law or agreed to in writing, software +%% distributed under the License is distributed on an "AS IS" BASIS, +%% WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. +%% See the License for the specific language governing permissions and +%% limitations under the License. +%% +%% %CopyrightEnd% +%% +-module(gen_statem). + +%% API +-export( + [start/3,start/4,start_link/3,start_link/4, + stop/1,stop/3, + cast/2,call/2,call/3, + enter_loop/5,enter_loop/6,enter_loop/7, + reply/1,reply/2]). + +%% gen callbacks +-export( + [init_it/6]). + +%% sys callbacks +-export( + [system_continue/3, + system_terminate/4, + system_code_change/4, + system_get_state/1, + system_replace_state/2, + format_status/2]). + +%% Internal callbacks +-export( + [wakeup_from_hibernate/3]). + +%% Type exports for templates +-export_type( + [event_type/0, + callback_mode/0, + state_function_result/0, + handle_event_result/0, + action/0]). + +%% Fix problem for doc build +-export_type([transition_option/0]). + +%%%========================================================================== +%%% Interface functions. +%%%========================================================================== + +-type from() :: + {To :: pid(), Tag :: term()}. % Reply-to specifier for call + +-type state() :: + state_name() | % For state callback function StateName/5 + term(). % For state callback function handle_event/5 + +-type state_name() :: atom(). + +-type data() :: term(). + +-type event_type() :: + {'call',From :: from()} | 'cast' | + 'info' | 'timeout' | 'internal'. + +-type callback_mode() :: 'state_functions' | 'handle_event_function'. + +-type transition_option() :: + postpone() | hibernate() | event_timeout(). +-type postpone() :: + %% If 'true' postpone the current event + %% and retry it when the state changes (=/=) + boolean(). +-type hibernate() :: + %% If 'true' hibernate the server instead of going into receive + boolean(). +-type event_timeout() :: + %% Generate a ('timeout', EventContent, ...) event after Time + %% unless some other event is delivered + Time :: timeout(). + +-type action() :: + %% During a state change: + %% * NextState and NewData are set. + %% * All action()s are executed in order of apperance. + %% * Postponing the current event is performed + %% iff 'postpone' is 'true'. + %% * A state timer is started iff 'timeout' is set. + %% * Pending events are handled or if there are + %% no pending events the server goes into receive + %% or hibernate (iff 'hibernate' is 'true') + %% + %% These action()s are executed in order of appearence + %% in the containing list. The ones that set options + %% will override any previous so the last of each kind wins. + %% + 'postpone' | % Set the postpone option + {'postpone', Postpone :: postpone()} | + %% + 'hibernate' | % Set the hibernate option + {'hibernate', Hibernate :: hibernate()} | + %% + (Timeout :: event_timeout()) | % {timeout,Timeout} + {'timeout', % Set the event timeout option + Time :: event_timeout(), EventContent :: term()} | + %% + reply_action() | + %% + %% All 'next_event' events are kept in a list and then + %% inserted at state changes so the first in the + %% action() list is the first to be delivered. + {'next_event', % Insert event as the next to handle + EventType :: event_type(), + EventContent :: term()}. +-type reply_action() :: + {'reply', % Reply to a caller + From :: from(), Reply :: term()}. + +-type state_function_result() :: + {'next_state', % {next_state,NextStateName,NewData,[]} + NextStateName :: state_name(), + NewData :: data()} | + {'next_state', % State transition, maybe to the same state + NextStateName :: state_name(), + NewData :: data(), + Actions :: [action()] | action()} | + common_state_callback_result(). +-type handle_event_result() :: + {'next_state', % {next_state,NextState,NewData,[]} + NextState :: state(), + NewData :: data()} | + {'next_state', % State transition, maybe to the same state + NextState :: state(), + NewData :: data(), + Actions :: [action()] | action()} | + common_state_callback_result(). +-type common_state_callback_result() :: + 'stop' | % {stop,normal} + {'stop', % Stop the server + Reason :: term()} | + {'stop', % Stop the server + Reason :: term(), + NewData :: data()} | + {'stop_and_reply', % Reply then stop the server + Reason :: term(), + Replies :: [reply_action()] | reply_action()} | + {'stop_and_reply', % Reply then stop the server + Reason :: term(), + Replies :: [reply_action()] | reply_action(), + NewData :: data()} | + {'keep_state', % {keep_state,NewData,[]} + NewData :: data()} | + {'keep_state', % Keep state, change data + NewData :: data(), + Actions :: [action()] | action()} | + 'keep_state_and_data' | % {keep_state_and_data,[]} + {'keep_state_and_data', % Keep state and data -> only actions + Actions :: [action()] | action()}. + + +%% The state machine init function. It is called only once and +%% the server is not running until this function has returned +%% an {ok, ...} tuple. Thereafter the state callbacks are called +%% for all events to this server. +-callback init(Args :: term()) -> + {callback_mode(), state(), data()} | + {callback_mode(), state(), data(), [action()] | action()} | + 'ignore' | + {'stop', Reason :: term()}. + +%% Example state callback for callback_mode() =:= state_functions +%% state name 'state_name'. +%% +%% In this mode all states has to be type state_name() i.e atom(). +%% +%% Note that state callbacks and only state callbacks have arity 5 +%% and that is intended. +-callback state_name( + event_type(), + EventContent :: term(), + Data :: data()) -> + state_function_result(). +%% +%% State callback for callback_mode() =:= handle_event_function. +%% +%% Note that state callbacks and only state callbacks have arity 5 +%% and that is intended. +-callback handle_event( + event_type(), + EventContent :: term(), + State :: state(), % Current state + Data :: data()) -> + handle_event_result(). + +%% Clean up before the server terminates. +-callback terminate( + Reason :: 'normal' | 'shutdown' | {'shutdown', term()} + | term(), + State :: state(), + Data :: data()) -> + any(). + +%% Note that the new code can expect to get an OldState from +%% the old code version not only in code_change/4 but in the first +%% state callback function called thereafter +-callback code_change( + OldVsn :: term() | {'down', term()}, + OldState :: state(), + OldData :: data(), + Extra :: term()) -> + {NewCallbackMode :: callback_mode(), + NewState :: state(), + NewData :: data()}. + +%% Format the callback module state in some sensible that is +%% often condensed way. For StatusOption =:= 'normal' the perferred +%% return term is [{data,[{"State",FormattedState}]}], and for +%% StatusOption =:= 'terminate' it is just FormattedState. +-callback format_status( + StatusOption, + [ [{Key :: term(), Value :: term()}] | + state() | + data()]) -> + Status :: term() when + StatusOption :: 'normal' | 'terminate'. + +-optional_callbacks( + [init/1, % One may use enter_loop/5,6,7 instead + format_status/2, % Has got a default implementation + %% + state_name/3, % Example for callback_mode =:= state_functions: + %% there has to be a StateName/5 callback function for every StateName. + %% + handle_event/4]). % For callback_mode =:= handle_event_function + +%% Type validation functions +callback_mode(CallbackMode) -> + case CallbackMode of + state_functions -> + true; + handle_event_function -> + true; + _ -> + false + end. +%% +from({Pid,_}) when is_pid(Pid) -> + true; +from(_) -> + false. +%% +event_type({call,From}) -> + from(From); +event_type(Type) -> + case Type of + cast -> + true; + info -> + true; + timeout -> + true; + internal -> + true; + _ -> + false + end. + + + +-define( + STACKTRACE(), + try throw(ok) catch _ -> erlang:get_stacktrace() end). + +%%%========================================================================== +%%% API + +-type server_name() :: + {'global', GlobalName :: term()} + | {'via', RegMod :: module(), Name :: term()} + | {'local', atom()}. +-type server_ref() :: + pid() + | (LocalName :: atom()) + | {Name :: atom(), Node :: atom()} + | {'global', GlobalName :: term()} + | {'via', RegMod :: module(), ViaName :: term()}. +-type debug_opt() :: + {'debug', + Dbgs :: + ['trace' | 'log' | 'statistics' | 'debug' + | {'logfile', string()}]}. +-type start_opt() :: + debug_opt() + | {'timeout', Time :: timeout()} + | {'spawn_opt', [proc_lib:spawn_option()]}. +-type start_ret() :: {'ok', pid()} | 'ignore' | {'error', term()}. + + + +%% Start a state machine +-spec start( + Module :: module(), Args :: term(), Opts :: [start_opt()]) -> + start_ret(). +start(Module, Args, Opts) -> + gen:start(?MODULE, nolink, Module, Args, Opts). +%% +-spec start( + ServerName :: server_name(), + Module :: module(), Args :: term(), Opts :: [start_opt()]) -> + start_ret(). +start(ServerName, Module, Args, Opts) -> + gen:start(?MODULE, nolink, ServerName, Module, Args, Opts). + +%% Start and link to a state machine +-spec start_link( + Module :: module(), Args :: term(), Opts :: [start_opt()]) -> + start_ret(). +start_link(Module, Args, Opts) -> + gen:start(?MODULE, link, Module, Args, Opts). +%% +-spec start_link( + ServerName :: server_name(), + Module :: module(), Args :: term(), Opts :: [start_opt()]) -> + start_ret(). +start_link(ServerName, Module, Args, Opts) -> + gen:start(?MODULE, link, ServerName, Module, Args, Opts). + +%% Stop a state machine +-spec stop(ServerRef :: server_ref()) -> ok. +stop(ServerRef) -> + gen:stop(ServerRef). +%% +-spec stop( + ServerRef :: server_ref(), + Reason :: term(), + Timeout :: timeout()) -> ok. +stop(ServerRef, Reason, Timeout) -> + gen: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({global,Name}, Msg) -> + try global:send(Name, wrap_cast(Msg)) of + _ -> ok + catch + _:_ -> ok + end; +cast({via,RegMod,Name}, Msg) -> + try RegMod:send(Name, wrap_cast(Msg)) of + _ -> ok + catch + _:_ -> 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 +%% arrives with type {call,From} +-spec call(ServerRef :: server_ref(), Request :: term()) -> Reply :: term(). +call(ServerRef, Request) -> + call(ServerRef, Request, infinity). +%% +-spec call( + ServerRef :: server_ref(), + Request :: term(), + Timeout :: timeout()) -> + Reply :: term(). +call(ServerRef, Request, infinity) -> + try gen:call(ServerRef, '$gen_call', Request, infinity) of + {ok,Reply} -> + Reply + catch + Class:Reason -> + erlang:raise( + Class, + {Reason,{?MODULE,call,[ServerRef,Request,infinity]}}, + erlang:get_stacktrace()) + end; +call(ServerRef, Request, Timeout) -> + %% 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, Timeout) 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. + +%% Reply from a state machine callback to whom awaits in call/2 +-spec reply([reply_action()] | reply_action()) -> ok. +reply({reply,From,Reply}) -> + reply(From, Reply); +reply(Replies) when is_list(Replies) -> + replies(Replies). +%% +-spec reply(From :: from(), Reply :: term()) -> ok. +reply({To,Tag}, Reply) when is_pid(To) -> + Msg = {Tag,Reply}, + try To ! Msg of + _ -> + ok + catch + _:_ -> ok + end. + +%% Instead of starting the state machine through start/3,4 +%% or start_link/3,4 turn the current process presumably +%% started by proc_lib into a state machine using +%% the same arguments as you would have returned from init/1 +-spec enter_loop( + Module :: module(), Opts :: [debug_opt()], + CallbackMode :: callback_mode(), + State :: state(), Data :: data()) -> + no_return(). +enter_loop(Module, Opts, CallbackMode, State, Data) -> + enter_loop(Module, Opts, CallbackMode, State, Data, self()). +%% +-spec enter_loop( + Module :: module(), Opts :: [debug_opt()], + CallbackMode :: callback_mode(), + State :: state(), Data :: data(), + Server_or_Actions :: + server_name() | pid() | [action()]) -> + no_return(). +enter_loop(Module, Opts, CallbackMode, State, Data, Server_or_Actions) -> + if + is_list(Server_or_Actions) -> + enter_loop( + Module, Opts, CallbackMode, State, Data, + self(), Server_or_Actions); + true -> + enter_loop( + Module, Opts, CallbackMode, State, Data, + Server_or_Actions, []) + end. +%% +-spec enter_loop( + Module :: module(), Opts :: [debug_opt()], + CallbackMode :: callback_mode(), + State :: state(), Data :: data(), + Server :: server_name() | pid(), + Actions :: [action()] | action()) -> + no_return(). +enter_loop(Module, Opts, CallbackMode, State, Data, Server, Actions) -> + is_atom(Module) orelse error({atom,Module}), + callback_mode(CallbackMode) orelse error({callback_mode,CallbackMode}), + Parent = gen:get_parent(), + enter(Module, Opts, CallbackMode, State, Data, Server, Actions, Parent). + +%%--------------------------------------------------------------------------- +%% API helpers + +wrap_cast(Event) -> + {'$gen_cast',Event}. + +replies([{reply,From,Reply}|Replies]) -> + reply(From, Reply), + replies(Replies); +replies([]) -> + ok. + +%% Might actually not send the message in case of caught exception +send(Proc, Msg) -> + try erlang:send(Proc, Msg, [noconnect]) of + noconnect -> + _ = spawn(erlang, send, [Proc,Msg]), + ok; + ok -> + ok + catch + _:_ -> + ok + end. + +%% Here the init_it/6 and enter_loop/5,6,7 functions converge +enter(Module, Opts, CallbackMode, 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), + P = Events = [], + Event = {internal,initial_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, + S = #{ + callback_mode => CallbackMode, + module => Module, + name => Name, + %% All fields below will be replaced according to the arguments to + %% loop_event_actions/10 when it finally loops back to loop/3 + state => State, + data => Data, + postponed => P, + hibernate => false, + timer => undefined}, + NewDebug = sys_debug(Debug, S, State, {enter,Event,State}), + loop_event_actions( + Parent, NewDebug, S, Events, + State, Data, P, Event, State, NewActions). + +%%%========================================================================== +%%% gen callbacks + +init_it(Starter, self, ServerRef, Module, Args, Opts) -> + init_it(Starter, self(), ServerRef, Module, Args, Opts); +init_it(Starter, Parent, ServerRef, Module, Args, Opts) -> + try Module:init(Args) of + Result -> + init_result(Starter, Parent, ServerRef, Module, Result, Opts) + catch + Result -> + init_result(Starter, Parent, ServerRef, Module, Result, Opts); + Class:Reason -> + gen:unregister_name(ServerRef), + proc_lib:init_ack(Starter, {error,Reason}), + erlang:raise(Class, Reason, erlang:get_stacktrace()) + end. + +%%--------------------------------------------------------------------------- +%% gen callbacks helpers + +init_result(Starter, Parent, ServerRef, Module, Result, Opts) -> + case Result of + {CallbackMode,State,Data} -> + case callback_mode(CallbackMode) of + true -> + proc_lib:init_ack(Starter, {ok,self()}), + enter( + Module, Opts, CallbackMode, State, Data, + ServerRef, [], Parent); + false -> + Error = {callback_mode,CallbackMode}, + proc_lib:init_ack(Starter, {error,Error}), + exit(Error) + end; + {CallbackMode,State,Data,Actions} -> + case callback_mode(CallbackMode) of + true -> + proc_lib:init_ack(Starter, {ok,self()}), + enter( + Module, Opts, CallbackMode, State, Data, + ServerRef, Actions, Parent); + false -> + Error = {callback_mode,CallbackMode}, + proc_lib:init_ack(Starter, {error,Error}), + exit(Error) + end; + {stop,Reason} -> + gen:unregister_name(ServerRef), + proc_lib:init_ack(Starter, {error,Reason}), + exit(Reason); + ignore -> + gen:unregister_name(ServerRef), + proc_lib:init_ack(Starter, ignore), + exit(normal); + _ -> + Error = {bad_return_value,Result}, + proc_lib:init_ack(Starter, {error,Error}), + exit(Error) + end. + +%%%========================================================================== +%%% sys callbacks + +system_continue(Parent, Debug, S) -> + loop(Parent, Debug, S). + +system_terminate( + Reason, _Parent, Debug, + #{state := State, data := Data, postponed := P} = S) -> + terminate( + exit, Reason, ?STACKTRACE(), + Debug, S, [], State, Data, P). + +system_code_change( + #{module := Module, + state := State, + data := Data} = S, + _Mod, OldVsn, Extra) -> + case + try Module:code_change(OldVsn, State, Data, Extra) + catch + Result -> Result + end + of + {NewCallbackMode,NewState,NewData} -> + callback_mode(NewCallbackMode) orelse + error({callback_mode,NewCallbackMode}), + {ok, + S#{callback_mode := NewCallbackMode, + state := NewState, + data := NewData}}; + {ok,_} = Error -> + error({case_clause,Error}); + Error -> + Error + end. + +system_get_state(#{state := State, data := Data}) -> + {ok,{State,Data}}. + +system_replace_state( + StateFun, + #{state := State, + data := Data} = S) -> + {NewState,NewData} = Result = StateFun({State,Data}), + {ok,Result,S#{state := NewState, data := NewData}}. + +format_status( + Opt, + [PDict,SysState,Parent,Debug, + #{name := Name, postponed := P, state := State, data := Data} = S]) -> + Header = gen:format_status_header("Status for state machine", Name), + Log = sys:get_debug(log, Debug, []), + [{header,Header}, + {data, + [{"Status",SysState}, + {"Parent",Parent}, + {"Logged Events",Log}, + {"Postponed",P}]} | + case format_status(Opt, PDict, S, State, Data) of + L when is_list(L) -> L; + T -> [T] + end]. + +%%--------------------------------------------------------------------------- +%% Format debug messages. Print them as the call-back module sees +%% them, not as the real erlang messages. Use trace for that. +%%--------------------------------------------------------------------------- + +print_event(Dev, {in,Event}, {Name,_}) -> + io:format( + Dev, "*DBG* ~p received ~s~n", + [Name,event_string(Event)]); +print_event(Dev, {out,Reply,{To,_Tag}}, {Name,_}) -> + io:format( + Dev, "*DBG* ~p sent ~p to ~p~n", + [Name,Reply,To]); +print_event(Dev, {Tag,Event,NextState}, {Name,State}) -> + StateString = + case NextState of + State -> + io_lib:format("~p", [State]); + _ -> + io_lib:format("~p => ~p", [State,NextState]) + end, + io:format( + Dev, "*DBG* ~p ~w ~s in state ~s~n", + [Name,Tag,event_string(Event),StateString]). + +event_string(Event) -> + case Event of + {{call,{Pid,_Tag}},Request} -> + io_lib:format("call ~p from ~w", [Request,Pid]); + {EventType,EventContent} -> + io_lib:format("~w ~p", [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 + +wakeup_from_hibernate(Parent, Debug, S) -> + %% It is a new message that woke us up so we have to receive it now + loop_receive(Parent, Debug, S). + +%%%========================================================================== +%%% State Machine engine implementation of proc_lib/gen server + +%% Server loop, consists of all loop* functions +%% and detours through sys:handle_system_message/7 and proc_lib:hibernate/3 + +%% Entry point for system_continue/3 +loop(Parent, Debug, #{hibernate := Hibernate} = S) -> + case Hibernate of + true -> + %% 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( + {should_not_have_arrived_here_but_instead_in, + {wakeup_from_hibernate,3}}); + false -> + loop_receive(Parent, Debug, S) + end. + +%% Entry point for wakeup_from_hibernate/3 +loop_receive(Parent, Debug, #{timer := Timer} = 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); + {'EXIT',Parent,Reason} = EXIT -> + #{state := State, data := Data, postponed := P} = S, + %% EXIT is not a 2-tuple and therefore + %% not an event and has no event_type(), + %% but this will stand out in the crash report... + terminate( + exit, Reason, ?STACKTRACE(), + Debug, S, [EXIT], State, Data, P); + {timeout,Timer,Content} when Timer =/= undefined -> + loop_receive_result( + Parent, Debug, S, {timeout,Content}); + _ -> + %% Cancel Timer if running + case Timer of + undefined -> + ok; + _ -> + case erlang:cancel_timer(Timer) of + TimeLeft when is_integer(TimeLeft) -> + ok; + false -> + receive + {timeout,Timer,_} -> + ok + after 0 -> + ok + end + end + end, + 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, Event) + end + end. + +loop_receive_result( + Parent, Debug, + #{state := State, + data := Data, + postponed := P} = S, + Event) -> + %% The engine state map S is now dismantled + %% and will not be restored until we return to loop/3. + %% + %% The fields 'callback_mode', 'module', and 'name' are still valid. + %% The fields 'state', 'data', and 'postponed' are held in arguments. + %% The fields 'timer' and 'hibernate' will be recalculated. + %% + NewDebug = sys_debug(Debug, S, State, {in,Event}), + %% Here the queue of not yet handled events is created + Events = [], + Hibernate = false, + loop_event( + Parent, NewDebug, S, Events, State, Data, P, Event, Hibernate). + +%% Process the event queue, or if it is empty +%% loop back to loop/3 to receive a new event +loop_events( + Parent, Debug, S, [Event|Events], + State, Data, P, Hibernate, _Timeout) -> + %% + %% If there was a state timer requested we just ignore that + %% since we have events to handle which cancels the timer + loop_event( + Parent, Debug, S, Events, State, Data, P, Event, Hibernate); +loop_events( + Parent, Debug, S, [], + State, Data, P, Hibernate, Timeout) -> + case Timeout of + {timeout,0,EventContent} -> + %% Immediate timeout - simulate it + %% so we do not get the timeout message + %% after any received event + loop_event( + Parent, Debug, S, [], + State, Data, P, {timeout,EventContent}, Hibernate); + {timeout,Time,EventContent} -> + %% Actually start a timer + Timer = erlang:start_timer(Time, self(), EventContent), + loop_events_done( + Parent, Debug, S, Timer, State, Data, P, Hibernate); + undefined -> + %% No state timeout has been requested + Timer = undefined, + loop_events_done( + Parent, Debug, S, Timer, State, Data, P, Hibernate) + end. +%% +loop_events_done(Parent, Debug, S, Timer, State, Data, P, Hibernate) -> + NewS = + S#{ + state := State, + data := Data, + postponed := P, + hibernate := Hibernate, + timer := Timer}, + loop(Parent, Debug, NewS). + +loop_event( + Parent, Debug, + #{callback_mode := CallbackMode, + module := Module} = S, + Events, + State, Data, P, {Type,Content} = Event, Hibernate) -> + %% + %% If 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 depend on i.e collect garbage which + %% would have happened if we actually hibernated + %% and immediately was awakened + Hibernate andalso garbage_collect(), + %% + try + case CallbackMode of + state_functions -> + Module:State(Type, Content, Data); + handle_event_function -> + Module:handle_event(Type, Content, State, Data) + end of + Result -> + loop_event_result( + Parent, Debug, S, Events, State, Data, P, Event, Result) + catch + Result -> + loop_event_result( + Parent, Debug, S, Events, State, Data, P, Event, Result); + error:badarg when CallbackMode =:= state_functions -> + case erlang:get_stacktrace() of + [{erlang,apply,[Module,State,_],_}|Stacktrace] -> + Args = [Type,Content,Data], + terminate( + error, + {undef_state_function,{Module,State,Args}}, + Stacktrace, + Debug, S, [Event|Events], State, Data, P); + Stacktrace -> + terminate( + error, badarg, Stacktrace, + Debug, S, [Event|Events], State, Data, P) + end; + error:undef -> + %% Process an undef to check for the simple mistake + %% of calling a nonexistent state function + case erlang:get_stacktrace() of + [{Module,State, + [Type,Content,Data]=Args, + _} + |Stacktrace] + when CallbackMode =:= state_functions -> + terminate( + error, + {undef_state_function,{Module,State,Args}}, + Stacktrace, + Debug, S, [Event|Events], State, Data, P); + [{Module,handle_event, + [Type,Content,State,Data]=Args, + _} + |Stacktrace] + when CallbackMode =:= handle_event_function -> + terminate( + error, + {undef_state_function,{Module,handle_event,Args}}, + Stacktrace, + Debug, S, [Event|Events], State, Data, P); + Stacktrace -> + terminate( + error, undef, Stacktrace, + Debug, S, [Event|Events], State, Data, P) + end; + Class:Reason -> + Stacktrace = erlang:get_stacktrace(), + terminate( + Class, Reason, Stacktrace, + Debug, S, [Event|Events], State, Data, P) + end. + +%% Interpret all callback return variants +loop_event_result( + Parent, Debug, S, Events, State, Data, P, Event, Result) -> + case Result of + stop -> + terminate( + exit, normal, ?STACKTRACE(), + Debug, S, [Event|Events], State, Data, P); + {stop,Reason} -> + terminate( + exit, Reason, ?STACKTRACE(), + Debug, S, [Event|Events], State, Data, P); + {stop,Reason,NewData} -> + terminate( + exit, Reason, ?STACKTRACE(), + Debug, S, [Event|Events], State, NewData, P); + {stop_and_reply,Reason,Replies} -> + Q = [Event|Events], + reply_then_terminate( + exit, Reason, ?STACKTRACE(), + Debug, S, Q, State, Data, P, Replies); + {stop_and_reply,Reason,Replies,NewData} -> + Q = [Event|Events], + reply_then_terminate( + exit, Reason, ?STACKTRACE(), + Debug, S, Q, State, NewData, P, Replies); + {next_state,NextState,NewData} -> + loop_event_actions( + Parent, Debug, S, Events, + State, NewData, P, Event, NextState, []); + {next_state,NextState,NewData,Actions} -> + loop_event_actions( + Parent, Debug, S, Events, + State, NewData, P, Event, NextState, Actions); + {keep_state,NewData} -> + loop_event_actions( + Parent, Debug, S, Events, + State, NewData, P, Event, State, []); + {keep_state,NewData,Actions} -> + loop_event_actions( + Parent, Debug, S, Events, + State, NewData, P, Event, State, Actions); + keep_state_and_data -> + loop_event_actions( + Parent, Debug, S, Events, + State, Data, P, Event, State, []); + {keep_state_and_data,Actions} -> + loop_event_actions( + Parent, Debug, S, Events, + State, Data, P, Event, State, Actions); + _ -> + terminate( + error, {bad_return_value,Result}, ?STACKTRACE(), + Debug, S, [Event|Events], State, Data, P) + end. + +loop_event_actions( + Parent, Debug, S, Events, State, NewData, P, Event, NextState, Actions) -> + Postpone = false, % Shall we postpone this event; boolean() + Hibernate = false, + Timeout = undefined, + NextEvents = [], + loop_event_actions( + Parent, Debug, S, Events, State, NewData, P, Event, NextState, + if + is_list(Actions) -> + Actions; + true -> + [Actions] + end, + Postpone, Hibernate, Timeout, NextEvents). +%% +%% Process all actions +loop_event_actions( + Parent, Debug, S, Events, + State, NewData, P, Event, NextState, [Action|Actions], + Postpone, Hibernate, Timeout, NextEvents) -> + case Action of + %% Actual actions + {reply,From,Reply} -> + case from(From) of + true -> + NewDebug = do_reply(Debug, S, State, From, Reply), + loop_event_actions( + Parent, NewDebug, S, Events, + State, NewData, P, Event, NextState, Actions, + Postpone, Hibernate, Timeout, NextEvents); + false -> + terminate( + error, {bad_action,Action}, ?STACKTRACE(), + Debug, S, [Event|Events], State, NewData, P) + end; + {next_event,Type,Content} -> + case event_type(Type) of + true -> + loop_event_actions( + Parent, Debug, S, Events, + State, NewData, P, Event, NextState, Actions, + Postpone, Hibernate, Timeout, + [{Type,Content}|NextEvents]); + false -> + terminate( + error, {bad_action,Action}, ?STACKTRACE(), + Debug, S, [Event|Events], State, NewData, P) + end; + %% Actions that set options + {postpone,NewPostpone} when is_boolean(NewPostpone) -> + loop_event_actions( + Parent, Debug, S, Events, + State, NewData, P, Event, NextState, Actions, + NewPostpone, Hibernate, Timeout, NextEvents); + {postpone,_} -> + terminate( + error, {bad_action,Action}, ?STACKTRACE(), + Debug, S, [Event|Events], State, NewData, P); + postpone -> + loop_event_actions( + Parent, Debug, S, Events, + State, NewData, P, Event, NextState, Actions, + true, Hibernate, Timeout, NextEvents); + {hibernate,NewHibernate} when is_boolean(NewHibernate) -> + loop_event_actions( + Parent, Debug, S, Events, + State, NewData, P, Event, NextState, Actions, + Postpone, NewHibernate, Timeout, NextEvents); + {hibernate,_} -> + terminate( + error, {bad_action,Action}, ?STACKTRACE(), + Debug, S, [Event|Events], State, NewData, P); + hibernate -> + loop_event_actions( + Parent, Debug, S, Events, + State, NewData, P, Event, NextState, Actions, + Postpone, true, Timeout, NextEvents); + {timeout,infinity,_} -> % Clear timer - it will never trigger + loop_event_actions( + Parent, Debug, S, Events, + State, NewData, P, Event, NextState, Actions, + Postpone, Hibernate, undefined, NextEvents); + {timeout,Time,_} = NewTimeout when is_integer(Time), Time >= 0 -> + loop_event_actions( + Parent, Debug, S, Events, + State, NewData, P, Event, NextState, Actions, + Postpone, Hibernate, NewTimeout, NextEvents); + {timeout,_,_} -> + terminate( + error, {bad_action,Action}, ?STACKTRACE(), + Debug, S, [Event|Events], State, NewData, P); + infinity -> % Clear timer - it will never trigger + loop_event_actions( + Parent, Debug, S, Events, + State, NewData, P, Event, NextState, Actions, + Postpone, Hibernate, undefined, NextEvents); + Time when is_integer(Time), Time >= 0 -> + NewTimeout = {timeout,Time,Time}, + loop_event_actions( + Parent, Debug, S, Events, + State, NewData, P, Event, NextState, Actions, + Postpone, Hibernate, NewTimeout, NextEvents); + _ -> + terminate( + error, {bad_action,Action}, ?STACKTRACE(), + Debug, S, [Event|Events], State, NewData, P) + end; +%% +%% End of actions list +loop_event_actions( + Parent, Debug, S, Events, + State, NewData, P0, Event, NextState, [], + Postpone, Hibernate, Timeout, NextEvents) -> + %% + %% All options have been collected and next_events are buffered. + %% Do the actual state transition. + %% + P1 = % Move current event to postponed if Postpone + case Postpone of + true -> + [Event|P0]; + false -> + P0 + end, + {Q2,P} = % Move all postponed events to queue if state change + if + NextState =:= State -> + {Events,P1}; + true -> + {lists:reverse(P1, Events),[]} + end, + %% Place next events first in queue + Q = lists:reverse(NextEvents, Q2), + %% + NewDebug = + sys_debug( + Debug, S, State, + case Postpone of + true -> + {postpone,Event,NextState}; + false -> + {consume,Event,NextState} + end), + loop_events( + Parent, NewDebug, S, Q, NextState, NewData, P, Hibernate, Timeout). + +%%--------------------------------------------------------------------------- +%% Server helpers + +reply_then_terminate( + Class, Reason, Stacktrace, + Debug, S, Q, State, Data, P, Replies) -> + if + is_list(Replies) -> + do_reply_then_terminate( + Class, Reason, Stacktrace, + Debug, S, Q, State, Data, P, Replies); + true -> + do_reply_then_terminate( + Class, Reason, Stacktrace, + Debug, S, Q, State, Data, P, [Replies]) + end. +%% +do_reply_then_terminate( + Class, Reason, Stacktrace, Debug, S, Q, State, Data, P, []) -> + terminate(Class, Reason, Stacktrace, Debug, S, Q, State, Data, P); +do_reply_then_terminate( + Class, Reason, Stacktrace, Debug, S, Q, State, Data, P, [R|Rs]) -> + case R of + {reply,{_To,_Tag}=From,Reply} -> + NewDebug = do_reply(Debug, S, State, From, Reply), + do_reply_then_terminate( + Class, Reason, Stacktrace, + NewDebug, S, Q, State, Data, P, Rs); + _ -> + terminate( + error, {bad_action,R}, ?STACKTRACE(), + Debug, S, Q, State, Data, P) + 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} = S, Q, State, Data, P) -> + try Module:terminate(Reason, State, Data) of + _ -> ok + catch + _ -> ok; + C:R -> + ST = erlang:get_stacktrace(), + error_info( + C, R, ST, Debug, S, Q, P, + format_status(terminate, get(), S, State, Data)), + erlang:raise(C, R, ST) + end, + case Reason of + normal -> ok; + shutdown -> ok; + {shutdown,_} -> ok; + _ -> + error_info( + Class, Reason, Stacktrace, Debug, S, Q, P, + format_status(terminate, get(), S, State, Data)) + end, + case Stacktrace of + [] -> + erlang:Class(Reason); + _ -> + erlang:raise(Class, Reason, Stacktrace) + end. + +error_info( + Class, Reason, Stacktrace, Debug, + #{name := Name, callback_mode := CallbackMode}, + Q, P, FmtData) -> + {FixedReason,FixedStacktrace} = + case Stacktrace of + [{M,F,Args,_}|ST] + when Class =:= error, Reason =:= undef -> + case code:is_loaded(M) of + false -> + {{'module could not be loaded',M},ST}; + _ -> + Arity = + if + is_list(Args) -> + length(Args); + is_integer(Args) -> + Args + end, + case erlang:function_exported(M, F, Arity) of + true -> + {Reason,Stacktrace}; + false -> + {{'function not exported',{M,F,Arity}}, + ST} + end + end; + _ -> {Reason,Stacktrace} + end, + error_logger:format( + "** State machine ~p terminating~n" ++ + case Q of + [] -> ""; + _ -> "** Last event = ~p~n" + end ++ + "** When server state = ~p~n" ++ + "** Reason for termination = ~w:~p~n" ++ + "** Callback mode = ~p~n" ++ + case Q of + [_,_|_] -> "** Queued = ~p~n"; + _ -> "" + end ++ + case P of + [] -> ""; + _ -> "** Postponed = ~p~n" + end ++ + case FixedStacktrace of + [] -> ""; + _ -> "** Stacktrace =~n** ~p~n" + end, + [Name | + case Q of + [] -> []; + [Event|_] -> [Event] + end] ++ + [FmtData,Class,FixedReason, + CallbackMode] ++ + case Q of + [_|[_|_] = Events] -> [Events]; + _ -> [] + end ++ + case P of + [] -> []; + _ -> [P] + end ++ + case FixedStacktrace of + [] -> []; + _ -> [FixedStacktrace] + end), + sys:print_log(Debug), + ok. + + +%% Call Module:format_status/2 or return a default value +format_status(Opt, PDict, #{module := Module}, State, Data) -> + case erlang:function_exported(Module, format_status, 2) of + true -> + try Module:format_status(Opt, [PDict,State,Data]) + catch + Result -> Result; + _:_ -> + format_status_default( + Opt, State, + "Module:format_status/2 crashed") + end; + false -> + format_status_default(Opt, State, Data) + end. + +%% The default Module:format_status/2 +format_status_default(Opt, State, Data) -> + SSD = {State,Data}, + case Opt of + terminate -> + SSD; + _ -> + [{data,[{"State",SSD}]}] + end. diff --git a/lib/stdlib/src/io_lib.erl b/lib/stdlib/src/io_lib.erl index ef30f16f18..ad98bc0420 100644 --- a/lib/stdlib/src/io_lib.erl +++ b/lib/stdlib/src/io_lib.erl @@ -1,7 +1,7 @@ %% %% %CopyrightBegin% %% -%% Copyright Ericsson AB 1996-2014. All Rights Reserved. +%% Copyright Ericsson AB 1996-2016. 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. @@ -112,14 +112,14 @@ -type format_spec() :: #{ - control_char => char(), - args => [any()], - width => 'none' | integer(), - adjust => 'left' | 'right', - precision => 'none' | integer(), - pad_char => char(), - encoding => 'unicode' | 'latin1', - strings => boolean() + control_char := char(), + args := [any()], + width := 'none' | integer(), + adjust := 'left' | 'right', + precision := 'none' | integer(), + pad_char := char(), + encoding := 'unicode' | 'latin1', + strings := boolean() }. %%---------------------------------------------------------------------- diff --git a/lib/stdlib/src/io_lib_format.erl b/lib/stdlib/src/io_lib_format.erl index 282005da7d..1da866dc88 100644 --- a/lib/stdlib/src/io_lib_format.erl +++ b/lib/stdlib/src/io_lib_format.erl @@ -1,7 +1,7 @@ %% %% %CopyrightBegin% %% -%% Copyright Ericsson AB 1996-2014. All Rights Reserved. +%% Copyright Ericsson AB 1996-2016. 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. diff --git a/lib/stdlib/src/io_lib_fread.erl b/lib/stdlib/src/io_lib_fread.erl index 25555c6f52..6a8f8f728e 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 1996-2013. All Rights Reserved. +%% Copyright Ericsson AB 1996-2016. 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. diff --git a/lib/stdlib/src/io_lib_pretty.erl b/lib/stdlib/src/io_lib_pretty.erl index 6309addf57..16ca2f41dc 100644 --- a/lib/stdlib/src/io_lib_pretty.erl +++ b/lib/stdlib/src/io_lib_pretty.erl @@ -1,7 +1,7 @@ %% %% %CopyrightBegin% %% -%% Copyright Ericsson AB 1996-2013. All Rights Reserved. +%% Copyright Ericsson AB 1996-2016. 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. diff --git a/lib/stdlib/src/lib.erl b/lib/stdlib/src/lib.erl index eb24516c50..56654097d9 100644 --- a/lib/stdlib/src/lib.erl +++ b/lib/stdlib/src/lib.erl @@ -1,7 +1,7 @@ %% %% %CopyrightBegin% %% -%% Copyright Ericsson AB 1996-2013. All Rights Reserved. +%% Copyright Ericsson AB 1996-2016. 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. @@ -73,7 +73,7 @@ nonl([H|T]) -> [H|nonl(T)]. send(To, Msg) -> To ! Msg. --spec sendw(To, Msg) -> Msg when +-spec sendw(To, Msg) -> term() when To :: pid() | atom() | {atom(), node()}, Msg :: term(). diff --git a/lib/stdlib/src/lists.erl b/lib/stdlib/src/lists.erl index 2b4472cdf7..af9d63ddd6 100644 --- a/lib/stdlib/src/lists.erl +++ b/lib/stdlib/src/lists.erl @@ -39,7 +39,8 @@ -export([all/2,any/2,map/2,flatmap/2,foldl/3,foldr/3,filter/2, partition/2,zf/2,filtermap/2, mapfoldl/3,mapfoldr/3,foreach/2,takewhile/2,dropwhile/2,splitwith/2, - split/2]). + split/2, + join/2]). %%% BIFs -export([keyfind/3, keymember/3, keysearch/3, member/2, reverse/2]). @@ -1439,6 +1440,18 @@ split(N, [H|T], R) -> split(_, [], _) -> badarg. +-spec join(Sep, List1) -> List2 when + Sep :: T, + List1 :: [T], + List2 :: [T], + T :: term(). + +join(_Sep, []) -> []; +join(Sep, [H|T]) -> [H|join_prepend(Sep, T)]. + +join_prepend(_Sep, []) -> []; +join_prepend(Sep, [H|T]) -> [Sep,H|join_prepend(Sep,T)]. + %%% ================================================================= %%% Here follows the implementation of the sort functions. %%% diff --git a/lib/stdlib/src/log_mf_h.erl b/lib/stdlib/src/log_mf_h.erl index 35723bbc9e..393da9ab27 100644 --- a/lib/stdlib/src/log_mf_h.erl +++ b/lib/stdlib/src/log_mf_h.erl @@ -1,7 +1,7 @@ %% %% %CopyrightBegin% %% -%% Copyright Ericsson AB 1996-2013. All Rights Reserved. +%% Copyright Ericsson AB 1996-2016. 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. diff --git a/lib/stdlib/src/maps.erl b/lib/stdlib/src/maps.erl index 43d10f4800..5dafdb282a 100644 --- a/lib/stdlib/src/maps.erl +++ b/lib/stdlib/src/maps.erl @@ -1,7 +1,7 @@ %% %% %CopyrightBegin% %% -%% Copyright Ericsson AB 2013. All Rights Reserved. +%% Copyright Ericsson AB 2013-2016. 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. @@ -20,17 +20,18 @@ -module(maps). --export([get/3,filter/2,fold/3, map/2, - size/1, +-export([get/3, filter/2,fold/3, + map/2, size/1, + update_with/3, update_with/4, without/2, with/2]). - -%%% BIFs +%% BIFs -export([get/2, find/2, from_list/1, is_key/2, keys/1, merge/2, - new/0, put/3, remove/2, + new/0, put/3, remove/2, take/2, to_list/1, update/3, values/1]). +%% Shadowed by erl_bif_types: maps:get/2 -spec get(Key,Map) -> Value when Key :: term(), Map :: map(), @@ -46,7 +47,7 @@ get(_,_) -> erlang:nif_error(undef). find(_,_) -> erlang:nif_error(undef). - +%% Shadowed by erl_bif_types: maps:from_list/1 -spec from_list(List) -> Map when List :: [{Key,Value}], Key :: term(), @@ -56,6 +57,7 @@ find(_,_) -> erlang:nif_error(undef). from_list(_) -> erlang:nif_error(undef). +%% Shadowed by erl_bif_types: maps:is_key/2 -spec is_key(Key,Map) -> boolean() when Key :: term(), Map :: map(). @@ -71,6 +73,7 @@ is_key(_,_) -> erlang:nif_error(undef). keys(_) -> erlang:nif_error(undef). +%% Shadowed by erl_bif_types: maps:merge/2 -spec merge(Map1,Map2) -> Map3 when Map1 :: map(), Map2 :: map(), @@ -86,6 +89,7 @@ merge(_,_) -> erlang:nif_error(undef). new() -> erlang:nif_error(undef). +%% Shadowed by erl_bif_types: maps:put/3 -spec put(Key,Value,Map1) -> Map2 when Key :: term(), Value :: term(), @@ -102,7 +106,15 @@ put(_,_,_) -> erlang:nif_error(undef). remove(_,_) -> erlang:nif_error(undef). +-spec take(Key,Map1) -> {Value,Map2} | error when + Key :: term(), + Map1 :: map(), + Value :: term(), + Map2 :: map(). + +take(_,_) -> erlang:nif_error(undef). +%% Shadowed by erl_bif_types: maps:to_list/1 -spec to_list(Map) -> [{Key,Value}] when Map :: map(), Key :: term(), @@ -111,6 +123,7 @@ remove(_,_) -> erlang:nif_error(undef). to_list(_) -> erlang:nif_error(undef). +%% Shadowed by erl_bif_types: maps:update/3 -spec update(Key,Value,Map1) -> Map2 when Key :: term(), Value :: term(), @@ -127,8 +140,40 @@ update(_,_,_) -> erlang:nif_error(undef). values(_) -> erlang:nif_error(undef). +%% End of BIFs + +-spec update_with(Key,Fun,Map1) -> Map2 when + Key :: term(), + Map1 :: map(), + Map2 :: map(), + Fun :: fun((Value1 :: term()) -> Value2 :: term()). + +update_with(Key,Fun,Map) when is_function(Fun,1), is_map(Map) -> + try maps:get(Key,Map) of + Val -> maps:update(Key,Fun(Val),Map) + catch + error:{badkey,_} -> + erlang:error({badkey,Key},[Key,Fun,Map]) + end; +update_with(Key,Fun,Map) -> + erlang:error(error_type(Map),[Key,Fun,Map]). + + +-spec update_with(Key,Fun,Init,Map1) -> Map2 when + Key :: term(), + Map1 :: Map1, + Map2 :: Map2, + Fun :: fun((Value1 :: term()) -> Value2 :: term()), + Init :: term(). + +update_with(Key,Fun,Init,Map) when is_function(Fun,1), is_map(Map) -> + case maps:find(Key,Map) of + {ok,Val} -> maps:update(Key,Fun(Val),Map); + error -> maps:put(Key,Init,Map) + end; +update_with(Key,Fun,Init,Map) -> + erlang:error(error_type(Map),[Key,Fun,Init,Map]). -%%% End of BIFs -spec get(Key, Map, Default) -> Value | Default when Key :: term(), diff --git a/lib/stdlib/src/math.erl b/lib/stdlib/src/math.erl index 06dfc01bbb..97c965e27a 100644 --- a/lib/stdlib/src/math.erl +++ b/lib/stdlib/src/math.erl @@ -1,7 +1,7 @@ %% %% %CopyrightBegin% %% -%% Copyright Ericsson AB 1996-2012. All Rights Reserved. +%% Copyright Ericsson AB 1996-2016. 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. diff --git a/lib/stdlib/src/ms_transform.erl b/lib/stdlib/src/ms_transform.erl index 24b5fde1db..c0eea652e7 100644 --- a/lib/stdlib/src/ms_transform.erl +++ b/lib/stdlib/src/ms_transform.erl @@ -1,7 +1,7 @@ %% %% %CopyrightBegin% %% -%% Copyright Ericsson AB 2002-2015. All Rights Reserved. +%% Copyright Ericsson AB 2002-2016. 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. @@ -224,8 +224,9 @@ transform_from_shell(Dialect, Clauses, BoundEnvironment) -> %% Called when translating during compiling %% --spec parse_transform(Forms, Options) -> Forms when - Forms :: [erl_parse:abstract_form()], +-spec parse_transform(Forms, Options) -> Forms2 when + Forms :: [erl_parse:abstract_form() | erl_parse:form_info()], + Forms2 :: [erl_parse:abstract_form() | erl_parse:form_info()], Options :: term(). parse_transform(Forms, _Options) -> diff --git a/lib/stdlib/src/ordsets.erl b/lib/stdlib/src/ordsets.erl index 6010b41006..569407f5ef 100644 --- a/lib/stdlib/src/ordsets.erl +++ b/lib/stdlib/src/ordsets.erl @@ -1,7 +1,7 @@ %% %% %CopyrightBegin% %% -%% Copyright Ericsson AB 1996-2011. All Rights Reserved. +%% Copyright Ericsson AB 1996-2016. 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. diff --git a/lib/stdlib/src/otp_internal.erl b/lib/stdlib/src/otp_internal.erl index 6f546da7b8..3bd338071b 100644 --- a/lib/stdlib/src/otp_internal.erl +++ b/lib/stdlib/src/otp_internal.erl @@ -35,7 +35,7 @@ obsolete(Module, Name, Arity) -> case obsolete_1(Module, Name, Arity) of {deprecated=Tag,{_,_,_}=Replacement} -> - {Tag,Replacement,"in a future release"}; + {Tag,Replacement,"a future release"}; {_,String}=Ret when is_list(String) -> Ret; {_,_,_}=Ret -> @@ -47,18 +47,6 @@ obsolete(Module, Name, Arity) -> obsolete_1(net, _, _) -> {deprecated, "module 'net' obsolete; use 'net_adm'"}; -obsolete_1(erl_internal, builtins, 0) -> - {deprecated, {erl_internal, bif, 2}}; - -obsolete_1(erl_eval, seq, 2) -> - {deprecated, {erl_eval, exprs, 2}}; -obsolete_1(erl_eval, seq, 3) -> - {deprecated, {erl_eval, exprs, 3}}; -obsolete_1(erl_eval, arg_list, 2) -> - {deprecated, {erl_eval, expr_list, 2}}; -obsolete_1(erl_eval, arg_list, 3) -> - {deprecated, {erl_eval, expr_list, 3}}; - obsolete_1(erlang, hash, 2) -> {deprecated, {erlang, phash2, 2}}; @@ -70,11 +58,12 @@ obsolete_1(erlang, now, 0) -> obsolete_1(calendar, local_time_to_universal_time, 1) -> {deprecated, {calendar, local_time_to_universal_time_dst, 1}}; -obsolete_1(rpc, safe_multi_server_call, A) when A =:= 2; A =:= 3 -> - {deprecated, {rpc, multi_server_call, A}}; +%% *** CRYPTO added in OTP 19 *** +obsolete_1(crypto, rand_bytes, 1) -> + {deprecated, {crypto, strong_rand_bytes, 1}}; -%% *** CRYPTO add in R16B01 *** +%% *** CRYPTO added in R16B01 *** obsolete_1(crypto, md4, 1) -> {deprecated, {crypto, hash, 2}}; @@ -391,106 +380,10 @@ obsolete_1(http, cookie_header, 2) -> {removed,{httpc,cookie_header,2},"R15B" obsolete_1(http, stream_next, 1) -> {removed,{httpc,stream_next,1},"R15B"}; obsolete_1(http, default_profile, 0) -> {removed,{httpc,default_profile,0},"R15B"}; -obsolete_1(httpd, start, 0) -> {removed,{inets,start,[2,3]},"R14B"}; -obsolete_1(httpd, start, 1) -> {removed,{inets,start,[2,3]},"R14B"}; -obsolete_1(httpd, start_link, 0) -> {removed,{inets,start,[2,3]},"R14B"}; -obsolete_1(httpd, start_link, 1) -> {removed,{inets,start,[2,3]},"R14B"}; -obsolete_1(httpd, start_child, 0) -> {removed,{inets,start,[2,3]},"R14B"}; -obsolete_1(httpd, start_child, 1) -> {removed,{inets,start,[2,3]},"R14B"}; -obsolete_1(httpd, stop, 0) -> {removed,{inets,stop,2},"R14B"}; -obsolete_1(httpd, stop, 1) -> {removed,{inets,stop,2},"R14B"}; -obsolete_1(httpd, stop, 2) -> {removed,{inets,stop,2},"R14B"}; -obsolete_1(httpd, stop_child, 0) -> {removed,{inets,stop,2},"R14B"}; -obsolete_1(httpd, stop_child, 1) -> {removed,{inets,stop,2},"R14B"}; -obsolete_1(httpd, stop_child, 2) -> {removed,{inets,stop,2},"R14B"}; -obsolete_1(httpd, restart, 0) -> {removed,{httpd,reload_config,2},"R14B"}; -obsolete_1(httpd, restart, 1) -> {removed,{httpd,reload_config,2},"R14B"}; -obsolete_1(httpd, restart, 2) -> {removed,{httpd,reload_config,2},"R14B"}; -obsolete_1(httpd, block, 0) -> {removed,{httpd,reload_config,2},"R14B"}; -obsolete_1(httpd, block, 1) -> {removed,{httpd,reload_config,2},"R14B"}; -obsolete_1(httpd, block, 2) -> {removed,{httpd,reload_config,2},"R14B"}; -obsolete_1(httpd, block, 3) -> {removed,{httpd,reload_config,2},"R14B"}; -obsolete_1(httpd, block, 4) -> {removed,{httpd,reload_config,2},"R14B"}; -obsolete_1(httpd, unblock, 0) -> {removed,{httpd,reload_config,2},"R14B"}; -obsolete_1(httpd, unblock, 1) -> {removed,{httpd,reload_config,2},"R14B"}; -obsolete_1(httpd, unblock, 2) -> {removed,{httpd,reload_config,2},"R14B"}; -obsolete_1(httpd_util, key1search, 2) -> {removed,{proplists,get_value,2},"R13B"}; -obsolete_1(httpd_util, key1search, 3) -> {removed,{proplists,get_value,3},"R13B"}; -obsolete_1(ftp, open, 3) -> {removed,{inets,start,[2,3]},"R14B"}; -obsolete_1(ftp, force_active, 1) -> {removed,{inets,start,[2,3]},"R14B"}; - -%% Added in R12B-4. -obsolete_1(ssh_cm, connect, A) when 1 =< A, A =< 3 -> - {removed,{ssh,connect,A},"R14B"}; -obsolete_1(ssh_cm, listen, A) when 2 =< A, A =< 4 -> - {removed,{ssh,daemon,A},"R14B"}; -obsolete_1(ssh_cm, stop_listener, 1) -> - {removed,{ssh,stop_listener,[1,2]},"R14B"}; -obsolete_1(ssh_cm, session_open, A) when A =:= 2; A =:= 4 -> - {removed,{ssh_connection,session_channel,A},"R14B"}; -obsolete_1(ssh_cm, direct_tcpip, A) when A =:= 6; A =:= 8 -> - {removed,{ssh_connection,direct_tcpip,A},"R14B"}; -obsolete_1(ssh_cm, tcpip_forward, 3) -> - {removed,{ssh_connection,tcpip_forward,3},"R14B"}; -obsolete_1(ssh_cm, cancel_tcpip_forward, 3) -> - {removed,{ssh_connection,cancel_tcpip_forward,3},"R14B"}; -obsolete_1(ssh_cm, open_pty, A) when A =:= 3; A =:= 7; A =:= 9 -> - {removed,{ssh_connection,open_pty,A},"R14B"}; -obsolete_1(ssh_cm, setenv, 5) -> - {removed,{ssh_connection,setenv,5},"R14B"}; -obsolete_1(ssh_cm, shell, 2) -> - {removed,{ssh_connection,shell,2},"R14B"}; -obsolete_1(ssh_cm, exec, 4) -> - {removed,{ssh_connection,exec,4},"R14B"}; -obsolete_1(ssh_cm, subsystem, 4) -> - {removed,{ssh_connection,subsystem,4},"R14B"}; -obsolete_1(ssh_cm, winch, A) when A =:= 4; A =:= 6 -> - {removed,{ssh_connection,window_change,A},"R14B"}; -obsolete_1(ssh_cm, signal, 3) -> - {removed,{ssh_connection,signal,3},"R14B"}; -obsolete_1(ssh_cm, attach, A) when A =:= 2; A =:= 3 -> - {removed,"no longer useful; removed in R14B"}; -obsolete_1(ssh_cm, detach, 2) -> - {removed,"no longer useful; removed in R14B"}; -obsolete_1(ssh_cm, set_user_ack, 4) -> - {removed,"no longer useful; removed in R14B"}; -obsolete_1(ssh_cm, adjust_window, 3) -> - {removed,{ssh_connection,adjust_window,3},"R14B"}; -obsolete_1(ssh_cm, close, 2) -> - {removed,{ssh_connection,close,2},"R14B"}; -obsolete_1(ssh_cm, stop, 1) -> - {removed,{ssh,close,1},"R14B"}; -obsolete_1(ssh_cm, send_eof, 2) -> - {removed,{ssh_connection,send_eof,2},"R14B"}; -obsolete_1(ssh_cm, send, A) when A =:= 3; A =:= 4 -> - {removed,{ssh_connection,send,A},"R14B"}; -obsolete_1(ssh_cm, send_ack, A) when 3 =< A, A =< 5 -> - {removed,{ssh_connection,send,[3,4]},"R14B"}; -obsolete_1(ssh_ssh, connect, A) when 1 =< A, A =< 3 -> - {removed,{ssh,shell,A},"R14B"}; -obsolete_1(ssh_sshd, listen, A) when 0 =< A, A =< 3 -> - {removed,{ssh,daemon,[1,2,3]},"R14B"}; -obsolete_1(ssh_sshd, stop, 1) -> - {removed,{ssh,stop_listener,1},"R14B"}; - %% Added in R13A. obsolete_1(regexp, _, _) -> {removed, "removed in R15; use the re module instead"}; -obsolete_1(lists, flat_length, 1) -> - {removed,{lists,flatlength,1},"R14"}; - -obsolete_1(ssh_sftp, connect, A) when 1 =< A, A =< 3 -> - {removed,{ssh_sftp,start_channel,A},"R14B"}; -obsolete_1(ssh_sftp, stop, 1) -> - {removed,{ssh_sftp,stop_channel,1},"R14B"}; - -%% Added in R13B01. -obsolete_1(ssl_pkix, decode_cert_file, A) when A =:= 1; A =:= 2 -> - {removed,"removed in R14A; use public_key:pem_to_der/1 and public_key:pkix_decode_cert/2 instead"}; -obsolete_1(ssl_pkix, decode_cert, A) when A =:= 1; A =:= 2 -> - {removed,{public_key,pkix_decode_cert,2},"R14A"}; - %% Added in R13B04. obsolete_1(erlang, concat_binary, 1) -> {removed,{erlang,list_to_binary,1},"R15B"}; @@ -648,9 +541,15 @@ obsolete_1(random, _, _) -> "use the 'rand' module instead"}; obsolete_1(code, rehash, 0) -> {deprecated, "deprecated because the code path cache feature has been removed"}; +obsolete_1(queue, lait, 1) -> + {deprecated, {queue,liat,1}}; + +%% Removed in OTP 19. obsolete_1(overload, _, _) -> {removed, "removed in OTP 19"}; +obsolete_1(rpc, safe_multi_server_call, A) when A =:= 2; A =:= 3 -> + {removed, {rpc, multi_server_call, A}}; obsolete_1(_, _, _) -> no. diff --git a/lib/stdlib/src/pool.erl b/lib/stdlib/src/pool.erl index 2112337f65..05950a1d7c 100644 --- a/lib/stdlib/src/pool.erl +++ b/lib/stdlib/src/pool.erl @@ -1,7 +1,7 @@ %% %% %CopyrightBegin% %% -%% Copyright Ericsson AB 1996-2013. All Rights Reserved. +%% Copyright Ericsson AB 1996-2016. 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. diff --git a/lib/stdlib/src/proc_lib.erl b/lib/stdlib/src/proc_lib.erl index 10c476a6f5..3dc1848550 100644 --- a/lib/stdlib/src/proc_lib.erl +++ b/lib/stdlib/src/proc_lib.erl @@ -1,7 +1,7 @@ %% %% %CopyrightBegin% %% -%% Copyright Ericsson AB 1996-2014. All Rights Reserved. +%% Copyright Ericsson AB 1996-2016. 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. @@ -43,12 +43,19 @@ %%----------------------------------------------------------------------------- -type priority_level() :: 'high' | 'low' | 'max' | 'normal'. +-type max_heap_size() :: non_neg_integer() | + #{ size => non_neg_integer(), + kill => true, + error_logger => true}. -type spawn_option() :: 'link' | 'monitor' | {'priority', priority_level()} + | {'max_heap_size', max_heap_size()} | {'min_heap_size', non_neg_integer()} | {'min_bin_vheap_size', non_neg_integer()} - | {'fullsweep_after', non_neg_integer()}. + | {'fullsweep_after', non_neg_integer()} + | {'message_queue_data', + 'off_heap' | 'on_heap' | 'mixed' }. -type dict_or_pid() :: pid() | (ProcInfo :: [_]) @@ -472,16 +479,12 @@ trans_init(gen,init_it,[gen_server,_,_,supervisor_bridge,[Module|_],_]) -> {supervisor_bridge,Module,1}; trans_init(gen,init_it,[gen_server,_,_,_,supervisor_bridge,[Module|_],_]) -> {supervisor_bridge,Module,1}; -trans_init(gen,init_it,[gen_server,_,_,Module,_,_]) -> - {Module,init,1}; -trans_init(gen,init_it,[gen_server,_,_,_,Module|_]) -> - {Module,init,1}; -trans_init(gen,init_it,[gen_fsm,_,_,Module,_,_]) -> - {Module,init,1}; -trans_init(gen,init_it,[gen_fsm,_,_,_,Module|_]) -> - {Module,init,1}; trans_init(gen,init_it,[gen_event|_]) -> {gen_event,init_it,6}; +trans_init(gen,init_it,[_GenMod,_,_,Module,_,_]) when is_atom(Module) -> + {Module,init,1}; +trans_init(gen,init_it,[_GenMod,_,_,_,Module|_]) when is_atom(Module) -> + {Module,init,1}; trans_init(M, F, A) when is_atom(M), is_atom(F) -> {M,F,length(A)}. diff --git a/lib/stdlib/src/proplists.erl b/lib/stdlib/src/proplists.erl index 1840fa5cc0..5356467b19 100644 --- a/lib/stdlib/src/proplists.erl +++ b/lib/stdlib/src/proplists.erl @@ -1,7 +1,7 @@ %% %% %CopyrightBegin% %% -%% Copyright Ericsson AB 2001-2013. All Rights Reserved. +%% Copyright Ericsson AB 2001-2016. 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. @@ -438,8 +438,9 @@ substitute_aliases_1([], P) -> %% @see normalize/2 -spec substitute_negations(Negations, ListIn) -> ListOut when - Negations :: [{Key, Key}], - Key :: term(), + Negations :: [{Key1, Key2}], + Key1 :: term(), + Key2 :: term(), ListIn :: [term()], ListOut :: [term()]. diff --git a/lib/stdlib/src/qlc.erl b/lib/stdlib/src/qlc.erl index b396ba7057..f3665824f2 100644 --- a/lib/stdlib/src/qlc.erl +++ b/lib/stdlib/src/qlc.erl @@ -734,10 +734,11 @@ table(TraverseFun, Options) when is_function(TraverseFun) -> table(T1, T2) -> erlang:error(badarg, [T1, T2]). --spec(transform_from_evaluator(LC, Bs) -> Expr when +-spec(transform_from_evaluator(LC, Bs) -> Return when LC :: abstract_expr(), - Expr :: abstract_expr(), - Bs :: erl_eval:binding_struct()). + Bs :: erl_eval:binding_struct(), + Return :: {ok, abstract_expr()} + | {not_ok, {error, module(), Reason :: term()}}). transform_from_evaluator(LC, Bs0) -> qlc_pt:transform_from_evaluator(LC, Bs0). diff --git a/lib/stdlib/src/qlc_pt.erl b/lib/stdlib/src/qlc_pt.erl index e4b9768b12..0db63b81f4 100644 --- a/lib/stdlib/src/qlc_pt.erl +++ b/lib/stdlib/src/qlc_pt.erl @@ -67,8 +67,8 @@ %%% -spec(parse_transform(Forms, Options) -> Forms2 when - Forms :: [erl_parse:abstract_form()], - Forms2 :: [erl_parse:abstract_form()], + Forms :: [erl_parse:abstract_form() | erl_parse:form_info()], + Forms2 :: [erl_parse:abstract_form() | erl_parse:form_info()], Options :: [Option], Option :: type_checker | compile:option()). @@ -117,19 +117,21 @@ parse_transform(Forms0, Options) -> true = ets:delete(NodeInfo) end. --spec(transform_from_evaluator(LC, Bs) -> Expr when +-spec(transform_from_evaluator(LC, Bs) -> Return when LC :: erl_parse:abstract_expr(), - Expr :: erl_parse:abstract_expr(), - Bs :: erl_eval:binding_struct()). + Bs :: erl_eval:binding_struct(), + Return :: {ok, erl_parse:abstract_expr()} + | {not_ok, {error, module(), Reason :: term()}}). transform_from_evaluator(LC, Bindings) -> ?DEBUG("qlc Parse Transform (Evaluator Version)~n", []), transform_expression(LC, Bindings, false). --spec(transform_expression(LC, Bs) -> Expr when +-spec(transform_expression(LC, Bs) -> Return when LC :: erl_parse:abstract_expr(), - Expr :: erl_parse:abstract_expr(), - Bs :: erl_eval:binding_struct()). + Bs :: erl_eval:binding_struct(), + Return :: {ok, erl_parse:abstract_expr()} + | {not_ok, [{error, Reason :: term()}]}). transform_expression(LC, Bindings) -> transform_expression(LC, Bindings, true). diff --git a/lib/stdlib/src/queue.erl b/lib/stdlib/src/queue.erl index 2e65759d2a..11c0aa8d2b 100644 --- a/lib/stdlib/src/queue.erl +++ b/lib/stdlib/src/queue.erl @@ -1,7 +1,7 @@ %% %% %CopyrightBegin% %% -%% Copyright Ericsson AB 1996-2014. All Rights Reserved. +%% Copyright Ericsson AB 1996-2016. 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. @@ -31,10 +31,14 @@ %% Okasaki API from klacke -export([cons/2,head/1,tail/1, - snoc/2,last/1,daeh/1,init/1,liat/1,lait/1]). + snoc/2,last/1,daeh/1,init/1,liat/1]). -export_type([queue/0, queue/1]). +%% Mis-spelled, deprecated. +-export([lait/1]). +-deprecated([lait/1]). + %%-------------------------------------------------------------------------- %% Efficient implementation of double ended fifo queues %% diff --git a/lib/stdlib/src/rand.erl b/lib/stdlib/src/rand.erl index d455abf7b0..93409d95df 100644 --- a/lib/stdlib/src/rand.erl +++ b/lib/stdlib/src/rand.erl @@ -44,11 +44,11 @@ %% This depends on the algorithm handler function -type alg_seed() :: exs64_state() | exsplus_state() | exs1024_state(). %% This is the algorithm handler function within this module --type alg_handler() :: #{type => alg(), - max => integer(), - next => fun(), - uniform => fun(), - uniform_n => fun()}. +-type alg_handler() :: #{type := alg(), + max := integer(), + next := fun(), + uniform := fun(), + uniform_n := fun()}. %% Internal state -opaque state() :: {alg_handler(), alg_seed()}. diff --git a/lib/stdlib/src/random.erl b/lib/stdlib/src/random.erl index 8b639dd0a7..46dabb4323 100644 --- a/lib/stdlib/src/random.erl +++ b/lib/stdlib/src/random.erl @@ -1,7 +1,7 @@ %% %% %CopyrightBegin% %% -%% Copyright Ericsson AB 1996-2011. All Rights Reserved. +%% Copyright Ericsson AB 1996-2016. 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. diff --git a/lib/stdlib/src/re.erl b/lib/stdlib/src/re.erl index 80bfe38970..52d3c35608 100644 --- a/lib/stdlib/src/re.erl +++ b/lib/stdlib/src/re.erl @@ -1,7 +1,7 @@ %% %% %CopyrightBegin% %% -%% Copyright Ericsson AB 2008-2014. All Rights Reserved. +%% Copyright Ericsson AB 2008-2016. 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. diff --git a/lib/stdlib/src/sets.erl b/lib/stdlib/src/sets.erl index cd435ff49c..3e70450320 100644 --- a/lib/stdlib/src/sets.erl +++ b/lib/stdlib/src/sets.erl @@ -1,7 +1,7 @@ %% %% %CopyrightBegin% %% -%% Copyright Ericsson AB 2000-2014. All Rights Reserved. +%% Copyright Ericsson AB 2000-2016. 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. diff --git a/lib/stdlib/src/shell_default.erl b/lib/stdlib/src/shell_default.erl index 4ef5e14db1..6947cf181b 100644 --- a/lib/stdlib/src/shell_default.erl +++ b/lib/stdlib/src/shell_default.erl @@ -1,7 +1,7 @@ %% %% %CopyrightBegin% %% -%% Copyright Ericsson AB 1996-2010. All Rights Reserved. +%% Copyright Ericsson AB 1996-2016. 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. diff --git a/lib/stdlib/src/slave.erl b/lib/stdlib/src/slave.erl index 4e629a5e56..5b5c328c0c 100644 --- a/lib/stdlib/src/slave.erl +++ b/lib/stdlib/src/slave.erl @@ -1,7 +1,7 @@ %% %% %CopyrightBegin% %% -%% Copyright Ericsson AB 1996-2013. All Rights Reserved. +%% Copyright Ericsson AB 1996-2016. 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. diff --git a/lib/stdlib/src/sofs.erl b/lib/stdlib/src/sofs.erl index bcd1fc11e2..c244e06ca4 100644 --- a/lib/stdlib/src/sofs.erl +++ b/lib/stdlib/src/sofs.erl @@ -1,7 +1,7 @@ %% %% %CopyrightBegin% %% -%% Copyright Ericsson AB 2001-2014. All Rights Reserved. +%% Copyright Ericsson AB 2001-2016. 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. @@ -621,6 +621,9 @@ canonical_relation(Sets) when ?IS_SET(Sets) -> %%% Functions on binary relations only. %%% +-spec(rel2fam(BinRel) -> Family when + Family :: family(), + BinRel :: binary_relation()). rel2fam(R) -> relation_to_family(R). diff --git a/lib/stdlib/src/stdlib.app.src b/lib/stdlib/src/stdlib.app.src index b8a7973cf2..09176d2ca0 100644 --- a/lib/stdlib/src/stdlib.app.src +++ b/lib/stdlib/src/stdlib.app.src @@ -2,7 +2,7 @@ %% %% %CopyrightBegin% %% -%% Copyright Ericsson AB 1996-2015. All Rights Reserved. +%% Copyright Ericsson AB 1996-2016. 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. @@ -65,6 +65,7 @@ gen_event, gen_fsm, gen_server, + gen_statem, io, io_lib, io_lib_format, @@ -105,7 +106,7 @@ dets]}, {applications, [kernel]}, {env, []}, - {runtime_dependencies, ["sasl-2.6","kernel-4.1","erts-7.3","crypto-3.3", + {runtime_dependencies, ["sasl-3.0","kernel-5.0","erts-8.0","crypto-3.3", "compiler-5.0"]} ]}. diff --git a/lib/stdlib/src/stdlib.appup.src b/lib/stdlib/src/stdlib.appup.src index 15d8857656..9877662743 100644 --- a/lib/stdlib/src/stdlib.appup.src +++ b/lib/stdlib/src/stdlib.appup.src @@ -1,7 +1,7 @@ %% -*- erlang -*- %% %CopyrightBegin% %% -%% Copyright Ericsson AB 1999-2015. All Rights Reserved. +%% Copyright Ericsson AB 1999-2016. 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. diff --git a/lib/stdlib/src/string.erl b/lib/stdlib/src/string.erl index 07659ed812..c659db78bd 100644 --- a/lib/stdlib/src/string.erl +++ b/lib/stdlib/src/string.erl @@ -1,7 +1,7 @@ %% %% %CopyrightBegin% %% -%% Copyright Ericsson AB 1996-2013. All Rights Reserved. +%% Copyright Ericsson AB 1996-2016. 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. diff --git a/lib/stdlib/src/supervisor.erl b/lib/stdlib/src/supervisor.erl index 0400c845ab..c81e72689c 100644 --- a/lib/stdlib/src/supervisor.erl +++ b/lib/stdlib/src/supervisor.erl @@ -1,7 +1,7 @@ %% %% %CopyrightBegin% %% -%% Copyright Ericsson AB 1996-2015. All Rights Reserved. +%% Copyright Ericsson AB 1996-2016. 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. @@ -30,7 +30,7 @@ %% Internal exports -export([init/1, handle_call/3, handle_cast/2, handle_info/2, - terminate/2, code_change/3]). + terminate/2, code_change/3, format_status/2]). -export([try_again_restart/2]). %% For release_handler only @@ -57,8 +57,8 @@ | {'global', Name :: atom()} | {'via', Module :: module(), Name :: any()} | pid(). --type child_spec() :: #{id => child_id(), % mandatory - start => mfargs(), % mandatory +-type child_spec() :: #{id := child_id(), % mandatory + start := mfargs(), % mandatory restart => restart(), % optional shutdown => shutdown(), % optional type => worker(), % optional @@ -246,7 +246,7 @@ check_childspecs(ChildSpecs) when is_list(ChildSpecs) -> check_childspecs(X) -> {error, {badarg, X}}. %%%----------------------------------------------------------------- -%%% Called by timer:apply_after from restart/2 +%%% Called by restart/2 -spec try_again_restart(SupRef, Child) -> ok when SupRef :: sup_ref(), Child :: child_id() | pid(). @@ -264,8 +264,13 @@ cast(Supervisor, Req) -> get_callback_module(Pid) -> {status, _Pid, {module, _Mod}, [_PDict, _SysState, _Parent, _Dbg, Misc]} = sys:get_status(Pid), - [_Header, _Data, {data, [{"State", State}]}] = Misc, - State#state.module. + case lists:keyfind(supervisor, 1, Misc) of + {supervisor, [{"Callback", Mod}]} -> + Mod; + _ -> + [_Header, _Data, {data, [{"State", State}]} | _] = Misc, + State#state.module + end. %%% --------------------------------------------------- %%% @@ -571,8 +576,8 @@ count_child(#child{pid = Pid, child_type = supervisor}, end. -%%% If a restart attempt failed, this message is sent via -%%% timer:apply_after(0,...) in order to give gen_server the chance to +%%% If a restart attempt failed, this message is cast +%%% from restart/2 in order to give gen_server the chance to %%% check it's inbox before trying again. -spec handle_cast({try_again_restart, child_id() | pid()}, state()) -> {'noreply', state()} | {stop, shutdown, state()}. @@ -790,16 +795,10 @@ restart(Child, State) -> Id = if ?is_simple(State) -> Child#child.pid; true -> Child#child.name end, - {ok, _TRef} = timer:apply_after(0, - ?MODULE, - try_again_restart, - [self(),Id]), + ok = try_again_restart(self(), Id), {ok,NState2}; {try_again, NState2, #child{name=ChName}} -> - {ok, _TRef} = timer:apply_after(0, - ?MODULE, - try_again_restart, - [self(),ChName]), + ok = try_again_restart(self(), ChName), {ok,NState2}; Other -> Other @@ -1456,3 +1455,9 @@ report_progress(Child, SupName) -> Progress = [{supervisor, SupName}, {started, extract_child(Child)}], error_logger:info_report(progress, Progress). + +format_status(terminate, [_PDict, State]) -> + State; +format_status(_, [_PDict, State]) -> + [{data, [{"State", State}]}, + {supervisor, [{"Callback", State#state.module}]}]. diff --git a/lib/stdlib/src/supervisor_bridge.erl b/lib/stdlib/src/supervisor_bridge.erl index 18218b71ad..af1e046d30 100644 --- a/lib/stdlib/src/supervisor_bridge.erl +++ b/lib/stdlib/src/supervisor_bridge.erl @@ -1,7 +1,7 @@ %% %% %CopyrightBegin% %% -%% Copyright Ericsson AB 1996-2011. All Rights Reserved. +%% Copyright Ericsson AB 1996-2016. 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. diff --git a/lib/stdlib/src/sys.erl b/lib/stdlib/src/sys.erl index a7debb00f5..a6ecf03716 100644 --- a/lib/stdlib/src/sys.erl +++ b/lib/stdlib/src/sys.erl @@ -1,7 +1,7 @@ %% %% %CopyrightBegin% %% -%% Copyright Ericsson AB 1996-2014. All Rights Reserved. +%% Copyright Ericsson AB 1996-2016. 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. diff --git a/lib/stdlib/src/timer.erl b/lib/stdlib/src/timer.erl index f7530447bb..ca868627a9 100644 --- a/lib/stdlib/src/timer.erl +++ b/lib/stdlib/src/timer.erl @@ -1,7 +1,7 @@ %% %% %CopyrightBegin% %% -%% Copyright Ericsson AB 1996-2013. All Rights Reserved. +%% Copyright Ericsson AB 1996-2016. 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. diff --git a/lib/stdlib/src/win32reg.erl b/lib/stdlib/src/win32reg.erl index 8074b2efda..8e82a79cbf 100644 --- a/lib/stdlib/src/win32reg.erl +++ b/lib/stdlib/src/win32reg.erl @@ -1,7 +1,7 @@ %% %% %CopyrightBegin% %% -%% Copyright Ericsson AB 1997-2012. All Rights Reserved. +%% Copyright Ericsson AB 1997-2016. 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. |