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# This code is part of Perl distribution Log-Report version 1.41.
# The POD got stripped from this file by OODoc version 3.04.
# For contributors see file ChangeLog.
# This software is copyright (c) 2007-2025 by Mark Overmeer.
# This is free software; you can redistribute it and/or modify it under
# the same terms as the Perl 5 programming language system itself.
# SPDX-License-Identifier: Artistic-1.0-Perl OR GPL-1.0-or-later
#oodist: *** DO NOT USE THIS VERSION FOR PRODUCTION ***
#oodist: This file contains OODoc-style documentation which will get stripped
#oodist: during its release in the distribution. You can use this file for
#oodist: testing, however the code of this development version may be broken!
package Log::Report::Die;{
our $VERSION = '1.41';
}
use base 'Exporter';
use warnings;
use strict;
our @EXPORT = qw/die_decode exception_decode/;
use POSIX qw/locale_h/;
#--------------------
sub die_decode($%)
{ my ($text, %args) = @_;
my @text = split /\n/, $text;
@text or return ();
chomp $text[-1];
# Try to catch the error directly, to remove it from the error text
my %opt = (errno => $! + 0);
my $err = "$!";
if($text[0] =~ s/ at (.+) line (\d+)\.?$// )
{ $opt{location} = [undef, $1, $2, undef];
}
elsif(@text > 1 && $text[1] =~ m/^\s*at (.+) line (\d+)\.?$/ )
{ # sometimes people carp/confess with \n, folding the line
$opt{location} = [undef, $1, $2, undef];
splice @text, 1, 1;
}
$text[0] =~ s/\s*[.:;]?\s*$err\s*$// # the $err is translation sensitive
or delete $opt{errno};
my @msg = shift @text;
length $msg[0] or $msg[0] = 'stopped';
my @stack;
foreach (@text)
{ if(m/^\s*(.*?)\s+called at (.*?) line (\d+)\s*$/)
{ push @stack, [ $1, $2, $3 ] }
else { push @msg, $_ }
}
$opt{stack} = \@stack;
$opt{classes} = [ 'perl', (@stack ? 'confess' : 'die') ];
my $reason
= $opt{errno} ? 'FAULT'
: @stack ? 'PANIC'
: $args{on_die} || 'ERROR';
(\%opt, $reason, join("\n", @msg));
}
sub _exception_dbix($$)
{ my ($exception, $args) = @_;
my $on_die = delete $args->{on_die};
my %opts = %$args;
my @lines = split /\n/, "$exception"; # accessor missing to get msg
my $first = shift @lines;
my ($sub, $message, $fn, $linenr) = $first =~
m/^ (?: ([\w:]+?) \(\)\: [ ] | \{UNKNOWN\}\: [ ] )?
(.*?)
\s+ at [ ] (.+) [ ] line [ ] ([0-9]+)\.?
$/x;
my $pkg = defined $sub && $sub =~ s/^([\w:]+)\:\:// ? $1 : $0;
$opts{location} ||= [ $pkg, $fn, $linenr, $sub ];
my @stack;
foreach (@lines)
{ my ($func, $fn, $linenr) = /^\s+(.*?)\(\)\s+called at (.*?) line ([0-9]+)$/ or next;
push @stack, [ $func, $fn, $linenr ];
}
$opts{stack} ||= \@stack if @stack;
my $reason
= $opts{errno} ? 'FAULT'
: @stack ? 'PANIC'
: $on_die || 'ERROR';
(\%opts, $reason, $message);
}
my %_libxml_errno2reason = (1 => 'WARNING', 2 => 'MISTAKE', 3 => 'ERROR');
sub _exception_libxml($$)
{ my ($exc, $args) = @_;
my $on_die = delete $args->{on_die};
my %opts = %$args;
$opts{errno} ||= $exc->code + 13000;
$opts{location} ||= [ 'libxml', $exc->file, $exc->line, $exc->domain ];
my $msg = $exc->message . $exc->context . "\n"
. (' ' x $exc->column) . '^'
. ' (' . $exc->domain . ' error ' . $exc->code . ')';
my $reason = $_libxml_errno2reason{$exc->level} || 'PANIC';
(\%opts, $reason, $msg);
}
sub exception_decode($%)
{ my ($exception, %args) = @_;
my $errno = $! + 0;
return _exception_dbix($exception, \%args)
if $exception->isa('DBIx::Class::Exception');
return _exception_libxml($exception, \%args)
if $exception->isa('XML::LibXML::Error');
# Unsupported exception system, sane guesses
my %opt = (
classes => [ 'unknown exception', 'die', ref $exception ],
errno => $errno,
);
my $reason = $errno ? 'FAULT' : ($args{on_die} || 'ERROR');
# hopefully stringification is overloaded
(\%opt, $reason, "$exception");
}
"to die or not to die, that's the question";
|
