package Moo::_Utils;
+sub _getglob { \*{$_[0]} }
+sub _getstash { \%{"$_[0]::"} }
+
+BEGIN {
+ *lt_5_8_3 = $] < 5.008003
+ ? sub () { 1 }
+ : sub () { 0 }
+ ;
+}
+
use strictures 1;
use base qw(Exporter);
+use Moo::_mro;
-our @EXPORT = qw(_getglob _install_modifier _load_module _maybe_load_module);
-
-sub _getglob { no strict 'refs'; \*{$_[0]} }
+our @EXPORT = qw(
+ _getglob _install_modifier _load_module _maybe_load_module
+ _get_linear_isa
+);
sub _install_modifier {
my ($into, $type, $name, $code) = @_;
- my $ref = ref(my $to_modify = $into->can($name));
- require Sub::Defer;
- Sub::Defer::undefer_sub($to_modify);
+ 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(@_);
}
our %MAYBE_LOADED;
+# _load_module is inlined in Role::Tiny - make sure to copy if you update it.
+
sub _load_module {
- return 1 if $_[0]->can('can');
(my $proto = $_[0]) =~ s/::/\//g;
+ return 1 if $INC{"${proto}.pm"};
+ # can't just ->can('can') because a sub-package Foo::Bar::Baz
+ # creates a 'Baz::' key in Foo::Bar's symbol table
+ return 1 if grep !/::$/, keys %{_getstash($_[0])||{}};
require "${proto}.pm";
return 1;
}
return $MAYBE_LOADED{$_[0]};
}
+sub _get_linear_isa {
+ return mro::get_linear_isa($_[0]);
+}
+
+our $_in_global_destruction = 0;
+END { $_in_global_destruction = 1 }
+
1;