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package Class::MOP::Object; our $VERSION = '2.2203'; use strict; use warnings; use parent 'Class::MOP::Mixin'; use Scalar::Util 'blessed'; use Module::Runtime; # introspection sub throw_error { shift->_throw_exception( Legacy => message => join('', @_) ); } sub _inline_throw_error { my ( $self, $message ) = @_; return 'die Module::Runtime::use_module("Moose::Exception::Legacy")->new(message => ' . $message. ')'; } sub _new { Class::MOP::class_of(shift)->new_object(@_); } # RANT: # Cmon, how many times have you written # the following code while debugging: # # use Data::Dumper; # warn Dumper $obj; # # It can get seriously annoying, so why # not just do this ... sub dump { my $self = shift; require Data::Dumper; local $Data::Dumper::Maxdepth = shift || 1; Data::Dumper::Dumper $self; } sub _real_ref_name { my $self = shift; return blessed($self); } sub _is_compatible_with { my $self = shift; my ($other_name) = @_; return $self->isa($other_name); } sub _can_be_made_compatible_with { my $self = shift; return !$self->_is_compatible_with(@_) && defined($self->_get_compatible_metaclass(@_)); } sub _make_compatible_with { my $self = shift; my ($other_name) = @_; my $new_metaclass = $self->_get_compatible_metaclass($other_name); unless ( defined $new_metaclass ) { $self->_throw_exception( CannotMakeMetaclassCompatible => superclass_name => $other_name, class => $self, ); } # can't use rebless_instance here, because it might not be an actual # subclass in the case of, e.g. moose role reconciliation $new_metaclass->meta->_force_rebless_instance($self) if blessed($self) ne $new_metaclass; return $self; } sub _get_compatible_metaclass { my $self = shift; my ($other_name) = @_; return $self->_get_compatible_metaclass_by_subclassing($other_name); } sub _get_compatible_metaclass_by_subclassing { my $self = shift; my ($other_name) = @_; my $meta_name = blessed($self) ? $self->_real_ref_name : $self; if ($meta_name->isa($other_name)) { return $meta_name; } elsif ($other_name->isa($meta_name)) { return $other_name; } return; } 1; # ABSTRACT: Base class for metaclasses __END__ =pod =encoding UTF-8 =head1 NAME Class::MOP::Object - Base class for metaclasses =head1 VERSION version 2.2203 =head1 DESCRIPTION This class is a very minimal base class for metaclasses. =head1 METHODS This class provides a few methods which are useful in all metaclasses. =head2 Class::MOP::???->meta This returns a L<Class::MOP::Class> object. =head2 $metaobject->dump($max_depth) This method uses L<Data::Dumper> to dump the object. You can pass an optional maximum depth, which will set C<$Data::Dumper::Maxdepth>. The default maximum depth is 1. =head2 $metaclass->throw_error($message) This method calls L<Class::MOP::Mixin/_throw_exception> internally, with an object of class L<Moose::Exception::Legacy>. =head1 AUTHORS =over 4 =item * Stevan Little <stevan@cpan.org> =item * Dave Rolsky <autarch@urth.org> =item * Jesse Luehrs <doy@cpan.org> =item * Shawn M Moore <sartak@cpan.org> =item * יובל קוג'מן (Yuval Kogman) <nothingmuch@woobling.org> =item * Karen Etheridge <ether@cpan.org> =item * Florian Ragwitz <rafl@debian.org> =item * Hans Dieter Pearcey <hdp@cpan.org> =item * Chris Prather <chris@prather.org> =item * Matt S Trout <mstrout@cpan.org> =back =head1 COPYRIGHT AND LICENSE This software is copyright (c) 2006 by Infinity Interactive, Inc. This is free software; you can redistribute it and/or modify it under the same terms as the Perl 5 programming language system itself. =cut