use Carp ();
use List::Util qw( first );
-use List::MoreUtils qw( any all uniq );
+use List::MoreUtils qw( any all uniq first_index );
use Scalar::Util 'weaken', 'blessed';
-our $VERSION = '0.75_01';
+our $VERSION = '0.89_01';
$VERSION = eval $VERSION;
our $AUTHORITY = 'cpan:STEVAN';
default => sub { [] }
));
+__PACKAGE__->meta->add_attribute('role_applications' => (
+ reader => '_get_role_applications',
+ default => sub { [] }
+));
__PACKAGE__->meta->add_attribute(
Class::MOP::Attribute->new('immutable_trait' => (
sub initialize {
my $class = shift;
my $pkg = shift;
- return Class::MOP::get_metaclass_by_name($pkg)
+ return Class::MOP::get_metaclass_by_name($pkg)
|| $class->SUPER::initialize($pkg,
'attribute_metaclass' => 'Moose::Meta::Attribute',
'method_metaclass' => 'Moose::Meta::Method',
'instance_metaclass' => 'Moose::Meta::Instance',
@_
- );
+ );
}
sub _immutable_options {
sub create {
my ($self, $package_name, %options) = @_;
-
+
(ref $options{roles} eq 'ARRAY')
|| $self->throw_error("You must pass an ARRAY ref of roles", data => $options{roles})
if exists $options{roles};
if ($roles) {
Moose::Util::apply_all_roles( $class, @$roles );
}
-
+
return $class;
}
my ($self, %options) = @_;
my $cache_ok = delete $options{cache};
-
+
# something like Super::Class|Super::Class::2=Role|Role::1
my $cache_key = join '=' => (
join('|', @{$options{superclasses} || []}),
join('|', sort @{$options{roles} || []}),
);
-
+
if ($cache_ok && defined $ANON_CLASSES{$cache_key}) {
return $ANON_CLASSES{$cache_key};
}
-
+
my $new_class = $self->SUPER::create_anon_class(%options);
$ANON_CLASSES{$cache_key} = $new_class
push @{$self->roles} => $role;
}
+sub make_immutable {
+ my $self = shift;
+
+ # we do this for metaclasses way too often to do this check for them
+ if ( !$self->name->isa('Class::MOP::Object') ) {
+ my @superclasses = grep { $_ ne 'Moose::Object' && $_ ne $self->name }
+ $self->linearized_isa;
+ for my $superclass (@superclasses) {
+ my $meta = Class::MOP::class_of($superclass);
+ next unless $meta && $meta->isa('Moose::Meta::Class');
+ next unless $meta->is_mutable;
+ Carp::cluck( "Calling make_immutable on "
+ . $self->name
+ . ", which has a mutable ancestor ($superclass)" );
+ last;
+ }
+ }
+ $self->SUPER::make_immutable(@_);
+}
+
+sub role_applications {
+ my ($self) = @_;
+
+ return @{$self->_get_role_applications};
+}
+
+sub add_role_application {
+ my ($self, $application) = @_;
+ (blessed($application) && $application->isa('Moose::Meta::Role::Application::ToClass'))
+ || $self->throw_error("Role applications must be instances of Moose::Meta::Role::Application::ToClass", data => $application);
+ push @{$self->_get_role_applications} => $application;
+}
+
sub calculate_all_roles {
my $self = shift;
my %seen;
return $self;
}
-sub _construct_instance {
- my $class = shift;
- my $params = @_ == 1 ? $_[0] : {@_};
- my $meta_instance = $class->get_meta_instance;
- # FIXME:
- # the code below is almost certainly incorrect
- # but this is foreign inheritance, so we might
- # have to kludge it in the end.
- my $instance = $params->{'__INSTANCE__'} || $meta_instance->create_instance();
- foreach my $attr ($class->get_all_attributes()) {
- $attr->initialize_instance_slot($meta_instance, $instance, $params);
- }
- return $instance;
-}
-
sub superclasses {
my $self = shift;
my @supers = @_;
foreach my $super (@supers) {
- my $meta = Class::MOP::load_class($super);
- Moose->throw_error("You cannot inherit from a Moose Role ($super)")
+ Class::MOP::load_class($super);
+ my $meta = Class::MOP::class_of($super);
+ $self->throw_error("You cannot inherit from a Moose Role ($super)")
if $meta && $meta->isa('Moose::Meta::Role')
}
return $self->SUPER::superclasses(@supers);
sub add_attribute {
my $self = shift;
- $self->SUPER::add_attribute(
+ my $attr =
(blessed $_[0] && $_[0]->isa('Class::MOP::Attribute')
- ? $_[0]
- : $self->_process_attribute(@_))
- );
+ ? $_[0]
+ : $self->_process_attribute(@_));
+ $self->SUPER::add_attribute($attr);
+ # it may be a Class::MOP::Attribute, theoretically, which doesn't have
+ # 'bare' and doesn't implement this method
+ if ($attr->can('_check_associated_methods')) {
+ $attr->_check_associated_methods;
+ }
+ return $attr;
}
sub add_override_method_modifier {
my ($self, @superclasses) = @_;
foreach my $super (@superclasses) {
- next if $self->_superclass_meta_is_compatible($super);
+ my $meta = Class::MOP::Class->initialize($super);
- unless ( $self->is_pristine ) {
- $self->throw_error(
- "Cannot attempt to reinitialize metaclass for "
- . $self->name
- . ", it isn't pristine" );
+ my @all_supers = $meta->linearized_isa;
+ shift @all_supers;
+
+ my @super_metas_to_fix = ($meta);
+
+ # We need to check & fix the immediate superclass. If its @ISA
+ # contains a class without a metaclass instance, followed by a
+ # class _with_ a metaclass instance, init a metaclass instance
+ # for classes without one and fix compat up to and including
+ # the class which was already initialized.
+ my $idx = first_index { Class::MOP::class_of($_) } @all_supers;
+
+ push @super_metas_to_fix,
+ map { Class::MOP::Class->initialize($_) } @all_supers[ 0 .. $idx ]
+ if $idx >= 0;
+
+ foreach my $super_meta (@super_metas_to_fix) {
+ $self->_fix_one_incompatible_metaclass($super_meta);
}
+ }
+}
- $self->_reconcile_with_superclass_meta($super);
+sub _fix_one_incompatible_metaclass {
+ my ($self, $meta) = @_;
+
+ return if $self->_superclass_meta_is_compatible($meta);
+
+ unless ( $self->is_pristine ) {
+ $self->throw_error(
+ "Cannot attempt to reinitialize metaclass for "
+ . $self->name
+ . ", it isn't pristine" );
}
+
+ $self->_reconcile_with_superclass_meta($meta);
}
sub _superclass_meta_is_compatible {
- my ($self, $super) = @_;
-
- my $super_meta = Class::MOP::Class->initialize($super)
- or return 1;
+ my ($self, $super_meta) = @_;
next unless $super_meta->isa("Class::MOP::Class");
error_class );
sub _reconcile_with_superclass_meta {
- my ($self, $super) = @_;
-
- my $super_meta = Class::MOP::class_of($super);
+ my ($self, $super_meta) = @_;
my $super_meta_name
= $super_meta->is_immutable
This overrides the parent's method in order to accept a C<roles>
option. This should be an array reference containing one more roles
-that the class does.
+that the class does, each optionally followed by a hashref of options.
my $metaclass = Moose::Meta::Class->create( 'New::Class', roles => [...] );
This takes a L<Moose::Meta::Role> object, and adds it to the class's
list of roles. This I<does not> actually apply the role to the class.
+=item B<< $metaclass->role_applications >>
+
+Returns a list of L<Moose::Meta::Role::Application::ToClass>
+objects, which contain the arguments to role application.
+
+=item B<< $metaclass->add_role_application($application) >>
+
+This takes a L<Moose::Meta::Role::Application::ToClass> object, and
+adds it to the class's list of role applications. This I<does not>
+actually apply any role to the class; it is only for tracking role
+applications.
+
=item B<< $metaclass->does_role($role_name) >>
This returns a boolean indicating whether or not the class does the
projects / gitmo/Moose.git / blobdiff