/usr/share/perl5/File/Util/Exception.pm is in libfile-util-perl 4.132140-2.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 157 158 159 160 161 162 163 164 165 166 167 168 169 170 171 172 173 174 175 176 177 178 179 180 181 182 183 184 185 186 187 188 189 190 191 192 193 194 195 196 197 198 199 200 201 202 203 204 205 206 207 208 209 210 211 212 213 214 215 216 217 218 | use strict;
use warnings;
use lib 'lib';
package File::Util::Exception;
{
$File::Util::Exception::VERSION = '4.132140';
}
# ABSTRACT: Base exception class for File::Util
use File::Util::Definitions qw( :all );
use vars qw(
@ISA $AUTHORITY
@EXPORT_OK %EXPORT_TAGS
);
use Exporter;
$AUTHORITY = 'cpan:TOMMY';
@ISA = qw( Exporter );
@EXPORT_OK = qw( _throw );
%EXPORT_TAGS = ( all => [ @EXPORT_OK ] );
# --------------------------------------------------------
# File::Util::Exception::_throw
# --------------------------------------------------------
sub _throw {
my @in = @_;
my ( $this, $error_class, $error ) = splice @_, 0 , 3;
my $opts = $this->_remove_opts( \@_ );
my %fatal_rules = ();
# here we handle support for the legacy error handling policy syntax,
# such as things like "fatals_as_status => 1"
#
# ...and we also handle support for the newer, more pretty error
# handling policy syntax using "onfail" keywords/subrefs
$opts->{onfail} ||=
$opts->{opts} && ref $opts->{opts} eq 'HASH'
? $opts->{opts}->{onfail}
: '';
$opts->{onfail} ||= $this->{opts}->{onfail};
$opts->{onfail} ||= 'die';
# fatalality-handling rules passed to the failing caller trump the
# rules set up in the attributes of the object; the mechanism below
# also allows for the implicit handling of fatals_are_fatal => 1
map { $fatal_rules{ $_ } = $_ }
grep /^fatals/o, keys %$opts;
map { $fatal_rules{ $_ } = $_ }
grep /^fatals/o, keys %{ $opts->{opts} }
if $opts->{opts} && ref $opts->{opts} eq 'HASH';
unless ( scalar keys %fatal_rules ) {
map { $fatal_rules{ $_ } = $_ }
grep /^fatals/o, keys %{ $this->{opts} }
}
return 0 if $fatal_rules{fatals_as_status} || $opts->{onfail} eq 'zero';
return if $opts->{onfail} eq 'undefined';
my $is_plain;
if ( !scalar keys %$opts ) {
$opts->{_pak} = 'File::Util';
$opts->{error} = $error;
$error = $error ? 'plain error' : 'empty error';
$is_plain++;
}
else {
$opts->{_pak} = 'File::Util';
$error ||= 'empty error';
if ( $error eq 'plain error' ) {
$opts->{error} ||= shift @_;
$is_plain++;
}
}
my $bad_news = CORE::eval # tokenizing via stringy eval (is NOT evil)
(
'<<__ERRBLOCK__' . NL .
$error_class->_errors( $error ) . NL .
'__ERRBLOCK__'
);
if (
$opts->{onfail} eq 'warn' ||
$fatal_rules{fatals_as_warning}
) {
warn _trace( $@ || $bad_news ) and return;
}
elsif (
$opts->{onfail} eq 'message' ||
$fatal_rules{fatals_as_errmsg} ||
$opts->{return}
) {
return _trace( $@ || $bad_news );
}
warn _trace( $@ || $bad_news ) if $opts->{warn_also};
die _trace( $@ || $bad_news )
unless ref $opts->{onfail} eq 'CODE';
@_ = ( $bad_news, _trace() );
goto $opts->{onfail};
}
# --------------------------------------------------------
# File::Util::Exception::_trace
# --------------------------------------------------------
sub _trace { # <<<<< this is not a class or object method!
my @errors = @_;
my
(
$pak, $file, $line, $sub,
$hasargs, $wantarray, $evaltext, $req_OR_use,
@stack, $i, $frame_no
);
$frame_no = 0;
while
(
( $pak, $file, $line, $sub,
$hasargs, $wantarray, $evaltext, $req_OR_use
) = caller( $i++ )
)
{
$frame_no = $i - 2;
next unless $frame_no > 0;
push @stack, <<__ERR__
$frame_no. $sub
-called at line ($line) of $file
@{[ $hasargs
? '-was called with args'
: '-was called without args' ]}
@{[ $evaltext
? '-was called to evalate text'
: '-was not called to evaluate anything' ]}
__ERR__
}
$i = 0;
for my $error ( @errors ) {
$error = '' unless defined $error;
if ( !length $error ) {
$error = qq{Something is wrong. Frame no. $frame_no...}
}
++$i;
}
chomp for @errors;
return join NL, @errors, @stack;
}
# --------------------------------------------------------
# File::Util::Exception::DESTROY()
# --------------------------------------------------------
sub DESTROY { }
1;
__END__
=pod
=head1 NAME
File::Util::Exception - Base exception class for File::Util
=head1 VERSION
version 4.132140
=head1 DESCRIPTION
Base class for all File::Util::Exception subclasses. It's primarily
responsible for error handling within File::Util, but hands certain
work off to its subclasses, depending on how File::Util was use()'d.
Users, don't use this module by itself. It is for internal use only.
=cut
|