FM / perl-base

/usr/lib/x86_64-linux-gnu/perl-base

Name	Size	Mode	Actions
auto/	-	0755	rm
Carp/	-	0755	rm
Exporter/	-	0755	rm
File/	-	0755	rm
Getopt/	-	0755	rm
Hash/	-	0755	rm
IO/	-	0755	rm
IPC/	-	0755	rm
List/	-	0755	rm
Scalar/	-	0755	rm
Text/	-	0755	rm
Tie/	-	0755	rm
unicore/	-	0755	rm
warnings/	-	0755	rm
attributes.pm	3069	0644	edit dl rm
AutoLoader.pm	5487	0644	edit dl rm
base.pm	8912	0644	edit dl rm
bytes.pm	489	0644	edit dl rm
bytes_heavy.pl	758	0644	edit dl rm
Carp.pm	25398	0644	edit dl rm
Config.pm	3216	0644	edit dl rm
Config_git.pl	409	0644	edit dl rm
Config_heavy.pl	55332	0644	edit dl rm
constant.pm	5737	0644	edit dl rm
Cwd.pm	17657	0644	edit dl rm
DynaLoader.pm	10493	0644	edit dl rm
Errno.pm	4931	0644	edit dl rm
Exporter.pm	2336	0644	edit dl rm
Fcntl.pm	2156	0644	edit dl rm
feature.pm	5675	0644	edit dl rm
fields.pm	5008	0644	edit dl rm
FileHandle.pm	2111	0644	edit dl rm
integer.pm	172	0644	edit dl rm
IO.pm	469	0644	edit dl rm
lib.pm	2284	0644	edit dl rm
locale.pm	3451	0644	edit dl rm
overload.pm	4488	0644	edit dl rm
overloading.pm	964	0644	edit dl rm
parent.pm	460	0644	edit dl rm
POSIX.pm	20384	0644	edit dl rm
re.pm	9705	0644	edit dl rm
SelectSaver.pm	344	0644	edit dl rm
Socket.pm	13828	0644	edit dl rm
strict.pm	1606	0644	edit dl rm
Symbol.pm	2205	0644	edit dl rm
utf8.pm	341	0644	edit dl rm
vars.pm	1148	0644	edit dl rm
warnings.pm	27559	0644	edit dl rm
XSLoader.pm	3967	0644	edit dl rm

Edit: /usr/lib/x86_64-linux-gnu/perl-base/locale.pm (3451B)

package locale;

use strict;
use warnings;

our $VERSION = '1.10';
use Config;

$Carp::Internal{ (__PACKAGE__) } = 1;

# A separate bit is used for each of the two forms of the pragma, to save
# having to look at %^H for the normal case of a plain 'use locale' without an
# argument.

$locale::hint_bits = 0x4;
$locale::partial_hint_bits = 0x10;  # If pragma has an argument

# The pseudo-category :characters consists of 2 real ones; but it also is
# given its own number, -1, because in the complement form it also has the
# side effect of "use feature 'unicode_strings'"

sub import {
    shift;  # should be 'locale'; not checked

$^H{locale} = 0 unless defined $^H{locale};
    if (! @_) { # If no parameter, use the plain form that changes all categories
        $^H |= $locale::hint_bits;

}
    else {
        my @categories = ( qw(:ctype :collate :messages
                              :numeric :monetary :time) );
        for (my $i = 0; $i < @_; $i++) {
            my $arg = $_[$i];
            my $complement = $arg =~ s/ : ( ! | not_ ) /:/x;
            if (! grep { $arg eq $_ } @categories, ":characters") {
                require Carp;
                Carp::croak("Unknown parameter '$_[$i]' to 'use locale'");
            }

if ($complement) {
                if ($i != 0 || $i < @_ - 1)  {
                    require Carp;
                    Carp::croak("Only one argument to 'use locale' allowed"
                                . "if is $complement");
                }

if ($arg eq ':characters') {
                    push @_, grep { $_ ne ':ctype' && $_ ne ':collate' }
                                  @categories;
                    # We add 1 to the category number;  This category number
                    # is -1
                    $^H{locale} |= (1 << 0);
                }
                else {
                    push @_, grep { $_ ne $arg } @categories;
                }
                next;
            }
            elsif ($arg eq ':characters') {
                push @_, ':ctype', ':collate';
                next;
            }

$^H |= $locale::partial_hint_bits;

# This form of the pragma overrides the other
            $^H &= ~$locale::hint_bits;

$arg =~ s/^://;

eval { require POSIX; import POSIX 'locale_h'; };

# Map our names to the ones defined by POSIX
            my $LC = "LC_" . uc($arg);

my $bit = eval "&POSIX::$LC";
            if (defined $bit) { # XXX Should we warn that this category isn't
                                # supported on this platform, or make it
                                # always be the C locale?

# Verify our assumption.
                if (! ($bit >= 0 && $bit < 31)) {
                    require Carp;
                    Carp::croak("Cannot have ':$arg' parameter to 'use locale'"
                              . " on this platform.  Use the 'perlbug' utility"
                              . " to report this problem, or send email to"
                              . " 'perlbug\@perl.org'.  $LC=$bit");
                }

# 1 is added so that the pseudo-category :characters, which is
                # -1, comes out 0.
                $^H{locale} |= 1 << ($bit + 1);
            }
        }
    }

}

sub unimport {
    $^H &= ~($locale::hint_bits|$locale::partial_hint_bits);
    $^H{locale} = 0;
}

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