use warnings;
use Scalar::Util 'blessed';
-use Carp 'confess', 'croak';
+use Carp 'croak';
use Data::OptList;
use Sub::Exporter;
-our $VERSION = '0.56';
+our $VERSION = '0.63';
+$VERSION = eval $VERSION;
our $AUTHORITY = 'cpan:STEVAN';
use Moose ();
use Moose::Meta::Role;
use Moose::Util::TypeConstraints;
-{
- my %METAS;
-
- sub init_meta {
- my $role = shift;
-
- return $METAS{$role} if exists $METAS{$role};
-
- # make a subtype for each Moose class
- role_type $role unless find_type_constraint($role);
-
- my $meta;
- if ($role->can('meta')) {
- $meta = $role->meta();
- (blessed($meta) && $meta->isa('Moose::Meta::Role'))
- || confess "You already have a &meta function, but it does not return a Moose::Meta::Role";
- }
- else {
- $meta = Moose::Meta::Role->initialize($role);
- $meta->alias_method('meta' => sub { $meta });
- }
-
- return $METAS{$role} = $meta;
- }
-}
-
sub extends {
croak "Roles do not currently support 'extends'";
}
sub with {
- Moose::Util::apply_all_roles( shift->meta(), @_ );
+ Moose::Util::apply_all_roles( Moose::Meta::Role->initialize(shift), @_ );
}
sub requires {
- my $meta = shift->meta();
+ my $meta = Moose::Meta::Role->initialize(shift);
croak "Must specify at least one method" unless @_;
$meta->add_required_methods(@_);
}
sub excludes {
- my $meta = shift->meta();
+ my $meta = Moose::Meta::Role->initialize(shift);
croak "Must specify at least one role" unless @_;
$meta->add_excluded_roles(@_);
}
sub has {
- my $meta = shift->meta();
+ my $meta = Moose::Meta::Role->initialize(shift);
my $name = shift;
croak 'Usage: has \'name\' => ( key => value, ... )' if @_ == 1;
my %options = @_;
}
sub before {
- my $meta = shift->meta();
+ my $meta = Moose::Meta::Role->initialize(shift);
my $code = pop @_;
for (@_) {
- croak "Moose::Role do not currently support "
+ croak "Roles do not currently support "
. ref($_)
. " references for before method modifiers"
if ref $_;
}
sub after {
- my $meta = shift->meta();
+ my $meta = Moose::Meta::Role->initialize(shift);
my $code = pop @_;
for (@_) {
- croak "Moose::Role do not currently support "
+ croak "Roles do not currently support "
. ref($_)
. " references for after method modifiers"
if ref $_;
}
sub around {
- my $meta = shift->meta();
+ my $meta = Moose::Meta::Role->initialize(shift);
my $code = pop @_;
for (@_) {
- croak "Moose::Role do not currently support "
+ croak "Roles do not currently support "
. ref($_)
. " references for around method modifiers"
if ref $_;
}
sub override {
- my $meta = shift->meta();
+ my $meta = Moose::Meta::Role->initialize(shift);
my ( $name, $code ) = @_;
$meta->add_override_method_modifier( $name, $code );
}
sub inner {
- croak "Moose::Role cannot support 'inner'";
+ croak "Roles cannot support 'inner'";
}
sub augment {
- croak "Moose::Role cannot support 'augment'";
+ croak "Roles cannot support 'augment'";
}
-my $exporter = Moose::Exporter->build_exporter(
+my $exporter = Moose::Exporter->setup_import_methods(
with_caller => [
qw( with requires excludes has before after around override make_immutable )
],
],
);
-sub import {
- my $caller = Moose::Exporter->get_caller(@_);
+sub init_meta {
+ shift;
+ my %args = @_;
- # this works because both pragmas set $^H (see perldoc perlvar)
- # which affects the current compilation - i.e. the file who use'd
- # us - which is why we don't need to do anything special to make
- # it affect that file rather than this one (which is already compiled)
+ my $role = $args{for_class}
+ or Moose->throw_error("Cannot call init_meta without specifying a for_class");
- strict->import;
- warnings->import;
+ my $metaclass = $args{metaclass} || "Moose::Meta::Role";
- # we should never export to main
- if ($caller eq 'main') {
- warn qq{Moose::Role does not export its sugar to the 'main' package.\n};
- return;
- }
+ # make a subtype for each Moose class
+ role_type $role unless find_type_constraint($role);
- init_meta($caller);
-
- goto $exporter;
-}
-
-sub unimport {
- my $caller = Moose::Exporter->get_caller(@_);
+ # FIXME copy from Moose.pm
+ my $meta;
+ if ($role->can('meta')) {
+ $meta = $role->meta();
+ (blessed($meta) && $meta->isa('Moose::Meta::Role'))
+ || Moose->throw_error("You already have a &meta function, but it does not return a Moose::Meta::Role");
+ }
+ else {
+ $meta = $metaclass->initialize($role);
+
+ $meta->add_method(
+ 'meta' => sub {
+ # re-initialize so it inherits properly
+ $metaclass->initialize( ref($_[0]) || $_[0] );
+ }
+ );
+ }
- Moose::Exporter->remove_keywords(
- source => __PACKAGE__,
- from => $caller,
- );
+ return $meta;
}
1;
C<unimport> method. You simply have to say C<no Moose::Role> at the bottom of
your code for this to work.
+=head2 B<< Moose::Role->init_meta(for_class => $role, metaclass => $metaclass) >>
+
+The C<init_meta> method sets up the metaclass object for the role
+specified by C<for_class>. It also injects a a C<meta> accessor into
+the role so you can get at this object.
+
+The default metaclass is L<Moose::Meta::Role>. You can specify an
+alternate metaclass with the C<metaclass> parameter.
+
=head1 CAVEATS
Role support has only a few caveats:
projects / gitmo/Moose.git / blobdiff