package Moo::_Utils;
+sub _getglob { \*{$_[0]} }
+sub _getstash { \%{"$_[0]::"} }
+
use strictures 1;
use base qw(Exporter);
-our @EXPORT = qw(_getglob _install_modifier _maybe_load_module);
-
-sub _getglob { no strict 'refs'; \*{$_[0]} }
+our @EXPORT = qw(_getglob _install_modifier _load_module _maybe_load_module);
sub _install_modifier {
- require Class::Method::Modifiers;
my ($into, $type, $name, $code) = @_;
- my $ref = ref(my $to_modify = $into->can($name));
- # if it isn't CODE, then either we're about to die, or it's a blessed
- # coderef - if it's a blessed coderef it might be deferred, and the
- # user's already doing something clever so a minor speed hit is meh.
-
- if ($ref && $ref ne 'CODE') {
- require Sub::Defer; Sub::Defer::undefer_sub($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);
}
+
Class::Method::Modifiers::install_modifier(@_);
}
our %MAYBE_LOADED;
+sub _load_module {
+ (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;
+}
+
sub _maybe_load_module {
return $MAYBE_LOADED{$_[0]} if exists $MAYBE_LOADED{$_[0]};
(my $proto = $_[0]) =~ s/::/\//g;