use strict;
use warnings;
+our $VERSION = '0.63';
+$VERSION = eval $VERSION;
+our $AUTHORITY = 'cpan:STEVAN';
+
use List::MoreUtils qw( all );
+my @Classes = qw( constructor_class destructor_class error_class );
+
sub apply_metaclass_roles {
my %options = @_;
my $for = $options{for_class};
- my $meta = _make_new_metaclass( $for, \%options );
+ my %old_classes
+ = map { $_ => $for->meta->$_ } grep { $for->meta->can($_) } @Classes;
- for my $tor_class ( grep { $options{ $_ . '_roles' } }
- qw( constructor_class destructor_class ) ) {
+ my $meta = _make_new_metaclass( $for, \%options );
- my $class = _make_new_class(
- $meta->$tor_class(),
- $options{ $tor_class . '_roles' }
- );
+ for my $c ( grep { $meta->can($_) } @Classes ) {
+ if ( $options{ $c . '_roles' } ) {
+ my $class = _make_new_class(
+ $meta->$c(),
+ $options{ $c . '_roles' }
+ );
- $meta->$tor_class($class);
+ $meta->$c($class);
+ }
+ else {
+ $meta->$c( $old_classes{$c} );
+ }
}
return $meta;
return $existing_class unless $roles;
- my $meta = $existing_class->meta();
+ my $meta = Class::MOP::Class->initialize($existing_class);
return $existing_class
if $meta->can('does_role') && all { $meta->does_role($_) } @{$roles};