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authorHans Bolinder <hasse@erlang.org>2013-01-22 15:04:22 +0100
committerHans Bolinder <hasse@erlang.org>2013-01-25 12:54:28 +0100
commit81dd9fa1547dbd79dfde3af3421a7155c29537e7 (patch)
tree4a73b319ac8ba840753d2affebd404cdb4926bf4 /lib
parent7d3be5bd641c99283b003c2b933e89ed68241ccf (diff)
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Add a new function proc_lib:format/2 which takes encoding
Diffstat (limited to 'lib')
-rw-r--r--lib/stdlib/doc/src/proc_lib.xml9
-rw-r--r--lib/stdlib/src/proc_lib.erl64
2 files changed, 46 insertions, 27 deletions
diff --git a/lib/stdlib/doc/src/proc_lib.xml b/lib/stdlib/doc/src/proc_lib.xml
index abc17c4a91..b597074044 100644
--- a/lib/stdlib/doc/src/proc_lib.xml
+++ b/lib/stdlib/doc/src/proc_lib.xml
@@ -4,7 +4,7 @@
<erlref>
<header>
<copyright>
- <year>1996</year><year>2011</year>
+ <year>1996</year><year>2013</year>
<holder>Ericsson AB. All Rights Reserved.</holder>
</copyright>
<legalnotice>
@@ -209,6 +209,13 @@ init(Parent) ->
<name name="format" arity="1"/>
<fsummary>Format a crash report.</fsummary>
<desc>
+ <p>Equivalent to <c>format(<anno>CrashReport</anno>, latin1)</c>.</p>
+ </desc>
+ </func>
+ <func>
+ <name name="format" arity="2"/>
+ <fsummary>Format a crash report.</fsummary>
+ <desc>
<p>This function can be used by a user defined event handler to
format a crash report. The crash report is sent using
<c>error_logger:error_report(crash_report, <anno>CrashReport</anno>)</c>.
diff --git a/lib/stdlib/src/proc_lib.erl b/lib/stdlib/src/proc_lib.erl
index 4bca4c1e6d..1eb6fc2e86 100644
--- a/lib/stdlib/src/proc_lib.erl
+++ b/lib/stdlib/src/proc_lib.erl
@@ -1,7 +1,7 @@
%%
%% %CopyrightBegin%
%%
-%% Copyright Ericsson AB 1996-2012. All Rights Reserved.
+%% Copyright Ericsson AB 1996-2013. All Rights Reserved.
%%
%% The contents of this file are subject to the Erlang Public License,
%% Version 1.1, (the "License"); you may not use this file except in
@@ -29,7 +29,8 @@
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,initial_call/1,translate_initial_call/1]).
+ init_p/3,init_p/5,format/1,format/2,initial_call/1,
+ translate_initial_call/1]).
%% Internal exports.
-export([wake_up/3]).
@@ -692,34 +693,41 @@ check(Res) -> Res.
-spec format(CrashReport) -> string() when
CrashReport :: [term()].
-
-format([OwnReport,LinkReport]) ->
- OwnFormat = format_report(OwnReport),
- LinkFormat = format_report(LinkReport),
- S = io_lib:format(" crasher:~n~s neighbours:~n~s",[OwnFormat,LinkFormat]),
- lists:flatten(S).
-
-format_report(Rep) when is_list(Rep) ->
- format_rep(Rep);
-format_report(Rep) ->
- io_lib:format("~p~n", [Rep]).
-
-format_rep([{initial_call,InitialCall}|Rep]) ->
- [format_mfa(InitialCall)|format_rep(Rep)];
-format_rep([{error_info,{Class,Reason,StackTrace}}|Rep]) ->
- [format_exception(Class, Reason, StackTrace)|format_rep(Rep)];
-format_rep([{Tag,Data}|Rep]) ->
- [format_tag(Tag, Data)|format_rep(Rep)];
-format_rep(_) ->
+format(CrashReport) ->
+ format(CrashReport, latin1).
+
+-spec format(CrashReport, Encoding) -> string() when
+ CrashReport :: [term()],
+ Encoding :: latin1 | unicode | utf8.
+
+format([OwnReport,LinkReport], Encoding) ->
+ OwnFormat = format_report(OwnReport, Encoding),
+ LinkFormat = format_report(LinkReport, Encoding),
+ Str = io_lib:format(" crasher:~n~ts neighbours:~n~ts",
+ [OwnFormat, LinkFormat]),
+ lists:flatten(Str).
+
+format_report(Rep, Enc) when is_list(Rep) ->
+ format_rep(Rep,Enc);
+format_report(Rep, Enc) ->
+ io_lib:format("~"++modifier(Enc)++"p~n", [Rep]).
+
+format_rep([{initial_call,InitialCall}|Rep], Enc) ->
+ [format_mfa(InitialCall)|format_rep(Rep, Enc)];
+format_rep([{error_info,{Class,Reason,StackTrace}}|Rep], Enc) ->
+ [format_exception(Class, Reason, StackTrace, Enc)|format_rep(Rep, Enc)];
+format_rep([{Tag,Data}|Rep], Enc) ->
+ [format_tag(Tag, Data)|format_rep(Rep, Enc)];
+format_rep(_, _Enc) ->
[].
-format_exception(Class, Reason, StackTrace) ->
- PF = pp_fun(),
+format_exception(Class, Reason, StackTrace, Enc) ->
+ PF = pp_fun(Enc),
StackFun = fun(M, _F, _A) -> (M =:= erl_eval) or (M =:= ?MODULE) end,
%% EI = " exception: ",
EI = " ",
[EI, lib:format_exception(1+length(EI), Class, Reason,
- StackTrace, StackFun, PF), "\n"].
+ StackTrace, StackFun, PF, Enc), "\n"].
format_mfa({M,F,Args}=StartF) ->
try
@@ -731,10 +739,14 @@ format_mfa({M,F,Args}=StartF) ->
format_tag(initial_call, StartF)
end.
-pp_fun() ->
+pp_fun(Enc) ->
+ P = modifier(Enc) ++ "p",
fun(Term, I) ->
- io_lib:format("~." ++ integer_to_list(I) ++ "p", [Term])
+ io_lib:format("~." ++ integer_to_list(I) ++ P, [Term])
end.
format_tag(Tag, Data) ->
io_lib:format(" ~p: ~80.18p~n", [Tag, Data]).
+
+modifier(latin1) -> "";
+modifier(_) -> "t".