NAME
Devel::PrettyTrace - prints stack traces with arguments expanded into
readable format
SYNOPSIS
use Devel::PrettyTrace;
sub foo{
bar();
}
sub bar{
bt;
}
foo(1, "b");
#and you get
main::bar() called at foo.pl line 4
main::foo(
[0] 1,
[1] "b"
) called at foo.pl line 10
DESCRIPTION
This module allows you to see detailed and pretty formatted stack
straces of perl functions call. It exports a single function - "bt". In
void context, it sends it's output to STDERR. In scalar context, it
returns you collected data as string.
CONFIGURATION
$Indent
This string is appended to each line of output. Defaults to ' ' (two
spaces).
$Evalen
How many symbols of a string eval to print. Defaults to 40.
$Deeplimit
How many call frames to go up. Defaults to 0 (unlimited).
$Skiplevels
How many calls up of the current frame to start printing. Defaults to 0
(do not skip anything).
%IgnorePkg
Functions in a packages that are hash keys of %IgnorePkg are not shown
in the stack trace output.
%Opts
Options for Data::Printer, that determine how to render arguments. If
you need special formatting, do it here.
AUTHOR
Sergey Aleynikov <sergey.aleynikov@gmail.com>
LICENSE
Copyright (c) 2011 by Sergey Aleynikov. All rights reserved.
Redistribution and use in source and binary forms, with or without
modification, are permitted provided that the following conditions are
met:
1. Redistributions of source code must retain the above copyright
notice, this list of conditions and the following disclaimer.
2. Redistributions in binary form must reproduce the above copyright
notice, this list of conditions and the following disclaimer in the
documentation and/or other materials provided with the distribution.
THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE
LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF
THE POSSIBILITY OF SUCH DAMAGE.