diff options
Diffstat (limited to 'lib/stdlib/src/proc_lib.erl')
-rw-r--r-- | lib/stdlib/src/proc_lib.erl | 175 |
1 files changed, 108 insertions, 67 deletions
diff --git a/lib/stdlib/src/proc_lib.erl b/lib/stdlib/src/proc_lib.erl index 89a840be2d..cfbaf8b242 100644 --- a/lib/stdlib/src/proc_lib.erl +++ b/lib/stdlib/src/proc_lib.erl @@ -30,7 +30,7 @@ start/3, start/4, start/5, start_link/3, start_link/4, start_link/5, hibernate/3, init_ack/1, init_ack/2, - init_p/3,init_p/5,format/1,format/2,format/3,report_cb/1, + init_p/3,init_p/5,format/1,format/2,format/3,report_cb/2, initial_call/1, translate_initial_call/1, stop/1, stop/3]). @@ -509,7 +509,7 @@ crash_report(Class, Reason, StartF, Stacktrace) -> report=>[my_info(Class, Reason, StartF, Stacktrace), linked_info(self())]}, #{domain=>[otp,sasl], - report_cb=>fun proc_lib:report_cb/1, + report_cb=>fun proc_lib:report_cb/2, logger_formatter=>#{title=>"CRASH REPORT"}, error_logger=>#{tag=>error_report,type=>crash_report}}). @@ -750,14 +750,16 @@ check(Res) -> Res. %%% Format a generated crash info structure. %%% ----------------------------------------------------------- --spec report_cb(CrashReport) -> {Format,Args} when - CrashReport :: #{label=>{proc_lib,crash},report=>[term()]}, - Format :: io:format(), - Args :: [term()]. -report_cb(#{label:={proc_lib,crash}, - report:=CrashReport}) -> - Depth = error_logger:get_format_depth(), - get_format_and_args(CrashReport, utf8, Depth). +-spec report_cb(CrashReport,FormatOpts) -> unicode:chardata() when + CrashReport :: #{label => {proc_lib,crash}, + report => [term()]}, + FormatOpts :: logger:report_cb_config(). +report_cb(#{label:={proc_lib,crash}, report:=CrashReport}, Extra) -> + Default = #{chars_limit => unlimited, + depth => unlimited, + single_line => false, + encoding => utf8}, + do_format(CrashReport, maps:merge(Default,Extra)). -spec format(CrashReport) -> string() when CrashReport :: [term()]. @@ -777,84 +779,121 @@ format(CrashReport, Encoding) -> Depth :: unlimited | pos_integer(). format(CrashReport, Encoding, Depth) -> - {F,A} = get_format_and_args(CrashReport, Encoding, Depth), - lists:flatten(io_lib:format(F,A)). - -get_format_and_args([OwnReport,LinkReport], Encoding, Depth) -> - Extra = {Encoding,Depth}, - MyIndent = " ", - {OwnFormat,OwnArgs} = format_report(OwnReport, MyIndent, Extra, [], []), - {LinkFormat,LinkArgs} = format_link_report(LinkReport, MyIndent, Extra, [], []), - {" crasher:~n"++OwnFormat++" neighbours:~n"++LinkFormat,OwnArgs++LinkArgs}. - -format_link_report([], _Indent, _Extra, Format, Args) -> - {lists:flatten(lists:reverse(Format)),lists:append(lists:reverse(Args))}; -format_link_report([Link|Reps], Indent, Extra, Format, Args) -> + do_format(CrashReport, #{chars_limit => unlimited, + depth => Depth, + encoding => Encoding, + single_line => false}). + +do_format([OwnReport,LinkReport], #{single_line:=Single}=Extra) -> + Indent = if Single -> ""; + true -> " " + end, + MyIndent = Indent ++ Indent, + Sep = nl(Single,"; "), + OwnFormat = format_report(OwnReport, MyIndent, Extra), + LinkFormat = lists:join(Sep,format_link_report(LinkReport, MyIndent, Extra)), + Nl = nl(Single," "), + Str = io_lib:format("~scrasher:"++Nl++"~ts"++Sep++"~sneighbours:"++Nl++"~ts", + [Indent,OwnFormat,Indent,LinkFormat]), + lists:flatten(Str). + +format_link_report([Link|Reps], Indent0, #{single_line:=Single}=Extra) -> Rep = case Link of {neighbour,Rep0} -> Rep0; _ -> Link end, + Indent = if Single -> ""; + true -> Indent0 + end, LinkIndent = [" ",Indent], - {LinkFormat,LinkArgs} = format_report(Rep, LinkIndent, Extra, [], []), - F = "~sneighbour:\n"++LinkFormat, - A = [Indent|LinkArgs], - format_link_report(Reps, Indent, Extra, [F|Format], [A|Args]); -format_link_report(Rep, Indent, Extra, Format, Args) -> - {F,A} = format_report(Rep, Indent, Extra, [], []), - format_link_report([], Indent, Extra, [F|Format],[A|Args]). - -format_report([], _Indent, _Extra, Format, Args) -> - {lists:flatten(lists:reverse(Format)),lists:append(lists:reverse(Args))}; -format_report([Rep|Reps], Indent, Extra, Format, Args) -> - {F,A} = format_rep(Rep, Indent, Extra), - format_report(Reps, Indent, Extra, [F|Format], [A|Args]); -format_report(Rep, Indent, {Enc,unlimited}=Extra, Format, Args) -> - {F,A} = {"~s~"++modifier(Enc)++"p~n", [Indent, Rep]}, - format_report([], Indent, Extra, [F|Format], [A|Args]); -format_report(Rep, Indent, {Enc,Depth}=Extra, Format, Args) -> - {F,A} = {"~s~"++modifier(Enc)++"P~n", [Indent, Rep, Depth]}, - format_report([], Indent, Extra, [F|Format], [A|Args]). - -format_rep({initial_call,InitialCall}, Indent, Extra) -> - format_mfa(Indent, InitialCall, Extra); -format_rep({error_info,{Class,Reason,StackTrace}}, _Indent, Extra) -> - {lists:flatten(format_exception(Class, Reason, StackTrace, Extra)),[]}; -format_rep({Tag,Data}, Indent, Extra) -> - format_tag(Indent, Tag, Data, Extra). - -format_mfa(Indent, {M,F,Args}=StartF, {Enc,_}=Extra) -> + [[Indent,"neighbour:",nl(Single," "),format_report(Rep, LinkIndent, Extra)]| + format_link_report(Reps, Indent, Extra)]; +format_link_report(Rep, Indent, Extra) -> + format_report(Rep, Indent, Extra). + +format_report(Rep, Indent, #{single_line:=Single}=Extra) when is_list(Rep) -> + lists:join(nl(Single,", "),format_rep(Rep, Indent, Extra)); +format_report(Rep, Indent0, #{encoding:=Enc,depth:=Depth, + chars_limit:=Limit,single_line:=Single}) -> + {P,Tl} = p(Enc,Depth), + {Indent,Width} = if Single -> {"","0"}; + true -> {Indent0,""} + end, + Opts = if is_integer(Limit) -> [{chars_limit,Limit}]; + true -> [] + end, + io_lib:format("~s~"++Width++P, [Indent, Rep | Tl], Opts). + +format_rep([{initial_call,InitialCall}|Rep], Indent, Extra) -> + [format_mfa(Indent, InitialCall, Extra)|format_rep(Rep, Indent, Extra)]; +format_rep([{error_info,{Class,Reason,StackTrace}}|Rep], Indent, Extra) -> + [format_exception(Class, Reason, StackTrace, Extra)| + format_rep(Rep, Indent, Extra)]; +format_rep([{Tag,Data}|Rep], Indent, Extra) -> + [format_tag(Indent, Tag, Data, Extra)|format_rep(Rep, Indent, Extra)]; +format_rep(_, _, _Extra) -> + []. + +format_exception(Class, Reason, StackTrace, + #{encoding:=Enc,depth:=Depth,chars_limit:=Limit, + single_line:=Single}=Extra) -> + PF = pp_fun(Extra), + StackFun = fun(M, _F, _A) -> (M =:= erl_eval) or (M =:= ?MODULE) end, + if Single -> + {P,Tl} = p(Enc,Depth), + Opts = if is_integer(Limit) -> [{chars_limit,Limit}]; + true -> [] + end, + [atom_to_list(Class), ": ", + io_lib:format("~0"++P,[{Reason,StackTrace}|Tl],Opts)]; + true -> + EI = " ", + [EI, erl_error:format_exception(1+length(EI), Class, Reason, + StackTrace, StackFun, PF, Enc)] + end. + +format_mfa(Indent0, {M,F,Args}=StartF, #{encoding:=Enc,single_line:=Single}=Extra) -> + Indent = if Single -> ""; + true -> Indent0 + end, try A = length(Args), - {lists:flatten([Indent,"initial call: ",atom_to_list(M), - $:,to_string(F, Enc),$/,integer_to_list(A),"\n"]),[]} + [Indent,"initial call: ",atom_to_list(M),$:,to_string(F, Enc),$/, + integer_to_list(A)] catch error:_ -> format_tag(Indent, initial_call, StartF, Extra) end. -format_tag(Indent, Tag, Data, {Enc,Depth}) -> - {P,Tl} = p(Enc, Depth), - {"~s~p: ~80.18" ++ P ++ "\n", [Indent, Tag, Data|Tl]}. - -format_exception(Class, Reason, StackTrace, {Enc,_}=Extra) -> - PF = pp_fun(Extra), - StackFun = fun(M, _F, _A) -> (M =:= erl_eval) or (M =:= ?MODULE) end, - %% EI = " exception: ", - EI = " ", - [EI, erl_error:format_exception(1+length(EI), Class, Reason, - StackTrace, StackFun, PF, Enc), "\n"]. - to_string(A, latin1) -> io_lib:write_atom_as_latin1(A); to_string(A, _) -> io_lib:write_atom(A). -pp_fun({Enc,Depth}) -> +pp_fun(#{encoding:=Enc,depth:=Depth,chars_limit:=Limit,single_line:=Single}) -> {P,Tl} = p(Enc, Depth), + Width = if Single -> "0"; + true -> "" + end, + Opts = if is_integer(Limit) -> [{chars_limit,Limit}]; + true -> [] + end, fun(Term, I) -> - io_lib:format("~." ++ integer_to_list(I) ++ P, [Term|Tl]) + io_lib:format("~" ++ Width ++ "." ++ integer_to_list(I) ++ P, + [Term|Tl], Opts) end. +format_tag(Indent0, Tag, Data, #{encoding:=Enc,depth:=Depth,chars_limit:=Limit,single_line:=Single}) -> + {P,Tl} = p(Enc, Depth), + {Indent,Width} = if Single -> {"","0"}; + true -> {Indent0,""} + end, + Opts = if is_integer(Limit) -> [{chars_limit,Limit}]; + true -> [] + end, + io_lib:format("~s~" ++ Width ++ "p: ~" ++ Width ++ ".18" ++ P, + [Indent, Tag, Data|Tl], Opts). + p(Encoding, Depth) -> {Letter, Tl} = case Depth of unlimited -> {"p", []}; @@ -866,6 +905,8 @@ p(Encoding, Depth) -> modifier(latin1) -> ""; modifier(_) -> "t". +nl(true,Else) -> Else; +nl(false,_) -> "\n". %%% ----------------------------------------------------------- %%% Stop a process and wait for it to terminate |