/usr/share/perl5/Moo/_Utils.pm is in libmoo-perl 2.002005-1.
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 | package Moo::_Utils;
use Moo::_strictures;
{
no strict 'refs';
sub _getglob { \*{$_[0]} }
sub _getstash { \%{"$_[0]::"} }
}
BEGIN {
my ($su, $sn);
$su = $INC{'Sub/Util.pm'} && defined &Sub::Util::set_subname
or $sn = $INC{'Sub/Name.pm'}
or $su = eval { require Sub::Util; } && defined &Sub::Util::set_subname
or $sn = eval { require Sub::Name; };
*_subname = $su ? \&Sub::Util::set_subname
: $sn ? \&Sub::Name::subname
: sub { $_[1] };
*_CAN_SUBNAME = ($su || $sn) ? sub(){1} : sub(){0};
}
use Module::Runtime qw(use_package_optimistically module_notional_filename);
use Devel::GlobalDestruction ();
use Exporter qw(import);
use Config;
use Carp qw(croak);
our @EXPORT = qw(
_getglob _install_modifier _load_module _maybe_load_module
_getstash _install_coderef _name_coderef
_unimport_coderefs _set_loaded
);
sub _install_modifier {
my ($into, $type, $name, $code) = @_;
if (my $to_modify = $into->can($name)) { # CMM will throw for us if not
require Sub::Defer;
Sub::Defer::undefer_sub($to_modify);
}
require Class::Method::Modifiers;
Class::Method::Modifiers::install_modifier(@_);
}
sub _load_module {
my $module = $_[0];
my $file = eval { module_notional_filename($module) } or croak $@;
use_package_optimistically($module);
return 1
if $INC{$file};
my $error = $@ || "Can't locate $file";
# can't just ->can('can') because a sub-package Foo::Bar::Baz
# creates a 'Baz::' key in Foo::Bar's symbol table
my $stash = _getstash($module)||{};
return 1 if grep +(!ref($_) and *$_{CODE}), values %$stash;
return 1
if $INC{"Moose.pm"} && Class::MOP::class_of($module)
or Mouse::Util->can('find_meta') && Mouse::Util::find_meta($module);
croak $error;
}
our %MAYBE_LOADED;
sub _maybe_load_module {
my $module = $_[0];
return $MAYBE_LOADED{$module}
if exists $MAYBE_LOADED{$module};
if(! eval { use_package_optimistically($module) }) {
warn "$module exists but failed to load with error: $@";
}
elsif ( $INC{module_notional_filename($module)} ) {
return $MAYBE_LOADED{$module} = 1;
}
return $MAYBE_LOADED{$module} = 0;
}
sub _set_loaded {
$INC{Module::Runtime::module_notional_filename($_[0])} ||= $_[1];
}
sub _install_coderef {
my ($glob, $code) = (_getglob($_[0]), _name_coderef(@_));
no warnings 'redefine';
if (*{$glob}{CODE}) {
*{$glob} = $code;
}
# perl will sometimes warn about mismatched prototypes coming from the
# inheritance cache, so disable them if we aren't redefining a sub
else {
no warnings 'prototype';
*{$glob} = $code;
}
}
sub _name_coderef {
shift if @_ > 2; # three args is (target, name, sub)
_CAN_SUBNAME ? _subname(@_) : $_[1];
}
sub _unimport_coderefs {
my ($target, $info) = @_;
return unless $info and my $exports = $info->{exports};
my %rev = reverse %$exports;
my $stash = _getstash($target);
foreach my $name (keys %$exports) {
if ($stash->{$name} and defined(&{$stash->{$name}})) {
if ($rev{$target->can($name)}) {
my $old = delete $stash->{$name};
my $full_name = join('::',$target,$name);
# Copy everything except the code slot back into place (e.g. $has)
foreach my $type (qw(SCALAR HASH ARRAY IO)) {
next unless defined(*{$old}{$type});
no strict 'refs';
*$full_name = *{$old}{$type};
}
}
}
}
}
if ($Config{useithreads}) {
require Moo::HandleMoose::_TypeMap;
}
1;
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