use Moose::Meta::Method::Constructor;
use Moose::Meta::Method::Destructor;
use Moose::Util;
+use Class::MOP::MiniTrait;
use base 'Class::MOP::Class';
+Class::MOP::MiniTrait::apply(__PACKAGE__, 'Moose::Meta::Object::Trait');
+
__PACKAGE__->meta->add_attribute('roles' => (
reader => 'roles',
default => sub { [] }
my $super_meta_name = $super_meta->_real_ref_name;
- return $self->_classes_differ_by_roles_only(
+ return Moose::Util::_classes_differ_by_roles_only(
blessed($self),
$super_meta_name,
- 'Moose::Meta::Class',
);
}
my $super_specific_meta_name = $super_meta->$metaclass_type;
my %metaclasses = $self->_base_metaclasses;
- return $self->_classes_differ_by_roles_only(
+ return Moose::Util::_classes_differ_by_roles_only(
$class_specific_meta_name,
$super_specific_meta_name,
- $metaclasses{$metaclass_type},
);
}
-sub _classes_differ_by_roles_only {
- my $self = shift;
- my ( $self_meta_name, $super_meta_name, $expected_ancestor ) = @_;
-
- my $common_base_name
- = $self->_find_common_base( $self_meta_name, $super_meta_name );
-
- # If they're not both moose metaclasses, and the cmop fixing couldn't do
- # anything, there's nothing more we can do. The $expected_ancestor should
- # always be a Moose metaclass name like Moose::Meta::Class or
- # Moose::Meta::Attribute.
- return unless defined $common_base_name;
- return unless $common_base_name->isa($expected_ancestor);
-
- my @super_meta_name_ancestor_names
- = $self->_get_ancestors_until( $super_meta_name, $common_base_name );
- my @class_meta_name_ancestor_names
- = $self->_get_ancestors_until( $self_meta_name, $common_base_name );
-
- return
- unless all { $self->_is_role_only_subclass($_) }
- @super_meta_name_ancestor_names,
- @class_meta_name_ancestor_names;
-
- return 1;
-}
-
-sub _find_common_base {
- my $self = shift;
- my ($meta1, $meta2) = map { Class::MOP::class_of($_) } @_;
- return unless defined $meta1 && defined $meta2;
-
- # FIXME? This doesn't account for multiple inheritance (not sure
- # if it needs to though). For example, if somewhere in $meta1's
- # history it inherits from both ClassA and ClassB, and $meta2
- # inherits from ClassB & ClassA, does it matter? And what crazy
- # fool would do that anyway?
-
- my %meta1_parents = map { $_ => 1 } $meta1->linearized_isa;
-
- return first { $meta1_parents{$_} } $meta2->linearized_isa;
-}
-
-sub _get_ancestors_until {
- my $self = shift;
- my ($start_name, $until_name) = @_;
-
- my @ancestor_names;
- for my $ancestor_name (Class::MOP::class_of($start_name)->linearized_isa) {
- last if $ancestor_name eq $until_name;
- push @ancestor_names, $ancestor_name;
- }
- return @ancestor_names;
-}
-
-sub _is_role_only_subclass {
- my $self = shift;
- my ($meta_name) = @_;
- my $meta = Class::MOP::Class->initialize($meta_name);
- my @parent_names = $meta->superclasses;
-
- # XXX: don't feel like messing with multiple inheritance here... what would
- # that even do?
- return unless @parent_names == 1;
- my ($parent_name) = @parent_names;
- my $parent_meta = Class::MOP::Class->initialize($parent_name);
-
- # only get the roles attached to this particular class, don't look at
- # superclasses
- my @roles = $meta->can('calculate_all_roles')
- ? $meta->calculate_all_roles
- : ();
-
- # it's obviously not a role-only subclass if it doesn't do any roles
- return unless @roles;
-
- # loop over all methods that are a part of the current class
- # (not inherited)
- for my $method ( $meta->_get_local_methods ) {
- # always ignore meta
- next if $method->name eq 'meta';
- # we'll deal with attributes below
- next if $method->can('associated_attribute');
- # if the method comes from a role we consumed, ignore it
- next if $meta->can('does_role')
- && $meta->does_role($method->original_package_name);
- # FIXME - this really isn't right. Just because a modifier is
- # defined in a role doesn't mean it isn't _also_ defined in the
- # subclass.
- next if $method->isa('Class::MOP::Method::Wrapped')
- && (
- (!scalar($method->around_modifiers)
- || any { $_->has_around_method_modifiers($method->name) } @roles)
- && (!scalar($method->before_modifiers)
- || any { $_->has_before_method_modifiers($method->name) } @roles)
- && (!scalar($method->after_modifiers)
- || any { $_->has_after_method_modifiers($method->name) } @roles)
- );
-
- return 0;
- }
-
- # loop over all attributes that are a part of the current class
- # (not inherited)
- # FIXME - this really isn't right. Just because an attribute is
- # defined in a role doesn't mean it isn't _also_ defined in the
- # subclass.
- for my $attr (map { $meta->get_attribute($_) } $meta->get_attribute_list) {
- next if any { $_->has_attribute($attr->name) } @roles;
-
- return 0;
- }
-
- return 1;
-}
-
sub _fix_class_metaclass_incompatibility {
my $self = shift;
my ($super_meta) = @_;
Class::MOP::weaken_metaclass( $self->name ) if $self->is_anon_class;
}
-sub _get_compatible_single_metaclass {
- my $self = shift;
-
- return $self->SUPER::_get_compatible_single_metaclass(@_)
- || $self->_get_compatible_single_metaclass_by_role_reconciliation(@_);
-}
-
-sub _get_compatible_single_metaclass_by_role_reconciliation {
- my $self = shift;
- my ($single_meta_name) = @_;
-
- my $current_single_meta_name = $self->_get_associated_single_metaclass($single_meta_name);
-
- # XXX: gross
- return unless $self->_classes_differ_by_roles_only(
- $single_meta_name,
- $current_single_meta_name,
- $single_meta_name->isa('Class::MOP::Attribute')
- ? 'Moose::Meta::Attribute'
- : 'Moose::Meta::Method'
- );
-
- return Moose::Util::_reconcile_roles_for_metaclass($single_meta_name, $current_single_meta_name);
-}
-
sub _process_attribute {
my ( $self, $name, @args ) = @_;
projects / gitmo/Moose.git / blobdiff