use metaclass;
use Scalar::Util 'blessed';
+use Carp 'confess';
-our $VERSION = '0.59';
+our $VERSION = '0.72';
$VERSION = eval $VERSION;
our $AUTHORITY = 'cpan:STEVAN';
sub add_attribute {
my $self = shift;
my $name = shift;
- (defined $name && $name)
- || Moose->throw_error("You must provide a name for the attribute");
+ unless ( defined $name && $name ) {
+ require Moose;
+ Moose->throw_error("You must provide a name for the attribute");
+ }
my $attr_desc;
if (scalar @_ == 1 && ref($_[0]) eq 'HASH') {
$attr_desc = $_[0];
my $role_name = $self->name;
my $method_metaclass = $self->method_metaclass;
- my %all_code = $self->get_all_package_symbols('CODE');
+ my $all_code = $self->get_all_package_symbols('CODE');
- foreach my $symbol (keys %all_code) {
- my $code = $all_code{$symbol};
+ foreach my $symbol (keys %{ $all_code }) {
+ my $code = $all_code->{$symbol};
next if exists $map->{$symbol} &&
defined $map->{$symbol} &&
exists $self->get_method_map->{$name} ? 1 : 0
}
-# FIXME this is copypasated from Class::MOP::Class
+# FIXME this is copy-pasted from Class::MOP::Class
# refactor to inherit from some common base
sub wrap_method_body {
my ( $self, %args ) = @_;
return $c;
}
+sub create {
+ my ( $role, $package_name, %options ) = @_;
+
+ $options{package} = $package_name;
+
+ (ref $options{attributes} eq 'HASH')
+ || confess "You must pass a HASH ref of attributes"
+ if exists $options{attributes};
+
+ (ref $options{methods} eq 'HASH')
+ || confess "You must pass a HASH ref of methods"
+ if exists $options{methods};
+
+ $role->SUPER::create(%options);
+
+ my (%initialize_options) = %options;
+ delete @initialize_options{qw(
+ package
+ attributes
+ methods
+ version
+ authority
+ )};
+
+ my $meta = $role->initialize( $package_name => %initialize_options );
+
+ # FIXME totally lame
+ $meta->add_method('meta' => sub {
+ $role->initialize(ref($_[0]) || $_[0]);
+ });
+
+ if (exists $options{attributes}) {
+ foreach my $attribute_name (keys %{$options{attributes}}) {
+ my $attr = $options{attributes}->{$attribute_name};
+ $meta->add_attribute($attribute_name => $attr);
+ }
+ }
+
+ if (exists $options{methods}) {
+ foreach my $method_name (keys %{$options{methods}}) {
+ $meta->add_method($method_name, $options{methods}->{$method_name});
+ }
+ }
+
+ Class::MOP::weaken_metaclass($meta->name)
+ if $meta->is_anon_role;
+
+ return $meta;
+}
+
+# anonymous roles. most of it is copied straight out of Class::MOP::Class.
+# an intrepid hacker might find great riches if he unifies this code with that
+# code in Class::MOP::Module or Class::MOP::Package
+{
+ # NOTE:
+ # this should be sufficient, if you have a
+ # use case where it is not, write a test and
+ # I will change it.
+ my $ANON_ROLE_SERIAL = 0;
+
+ # NOTE:
+ # we need a sufficiently annoying prefix
+ # this should suffice for now, this is
+ # used in a couple of places below, so
+ # need to put it up here for now.
+ my $ANON_ROLE_PREFIX = 'Moose::Meta::Role::__ANON__::SERIAL::';
+
+ sub is_anon_role {
+ my $self = shift;
+ no warnings 'uninitialized';
+ $self->name =~ /^$ANON_ROLE_PREFIX/;
+ }
+
+ sub create_anon_role {
+ my ($role, %options) = @_;
+ my $package_name = $ANON_ROLE_PREFIX . ++$ANON_ROLE_SERIAL;
+ return $role->create($package_name, %options);
+ }
+
+ # NOTE:
+ # this will only get called for
+ # anon-roles, all other calls
+ # are assumed to occur during
+ # global destruction and so don't
+ # really need to be handled explicitly
+ sub DESTROY {
+ my $self = shift;
+
+ return if Class::MOP::in_global_destruction(); # it'll happen soon anyway and this just makes things more complicated
+
+ no warnings 'uninitialized';
+ return unless $self->name =~ /^$ANON_ROLE_PREFIX/;
+
+ # XXX: is this necessary for us? I don't understand what it's doing
+ # -sartak
+
+ # Moose does a weird thing where it replaces the metaclass for
+ # class when fixing metaclass incompatibility. In that case,
+ # we don't want to clean out the namespace now. We can detect
+ # that because Moose will explicitly update the singleton
+ # cache in Class::MOP.
+ #my $current_meta = Class::MOP::get_metaclass_by_name($self->name);
+ #return if $current_meta ne $self;
+
+ my ($serial_id) = ($self->name =~ /^$ANON_ROLE_PREFIX(\d+)/);
+ no strict 'refs';
+ foreach my $key (keys %{$ANON_ROLE_PREFIX . $serial_id}) {
+ delete ${$ANON_ROLE_PREFIX . $serial_id}{$key};
+ }
+ delete ${'main::' . $ANON_ROLE_PREFIX}{$serial_id . '::'};
+ }
+}
+
#####################################################################
## NOTE:
## This is Moose::Meta::Role as defined by Moose (plus the use of
=back
+=over 4
+
+=item B<create>
+
+=item B<create_anon_role>
+
+=item B<is_anon_role>
+
+=back
+
=head1 BUGS
All complex software has bugs lurking in it, and this module is no
=head1 COPYRIGHT AND LICENSE
-Copyright 2006-2008 by Infinity Interactive, Inc.
+Copyright 2006-2009 by Infinity Interactive, Inc.
L<http://www.iinteractive.com>
projects / gitmo/Moose.git / blobdiff