X-Git-Url: http://git.shadowcat.co.uk/gitweb/gitweb.cgi?a=blobdiff_plain;f=lib%2FMoose%2FMeta%2FTypeConstraint%2FRole.pm;h=1f5fe77bd6a4bf6181f289afc3b109dcb286b03d;hb=0031c50c1ba39e702417ee2bc1cb6a00b7af2cfa;hp=69f863678fd4baae7ccfde9f66e00b36a625e832;hpb=26a08c157f47d613aab9376a85512ae73ec34482;p=gitmo%2FMoose.git diff --git a/lib/Moose/Meta/TypeConstraint/Role.pm b/lib/Moose/Meta/TypeConstraint/Role.pm index 69f8636..1f5fe77 100644 --- a/lib/Moose/Meta/TypeConstraint/Role.pm +++ b/lib/Moose/Meta/TypeConstraint/Role.pm @@ -4,24 +4,38 @@ use strict; use warnings; use metaclass; +use B; use Scalar::Util 'blessed'; use Moose::Util::TypeConstraints (); -our $VERSION = '0.93_01'; -$VERSION = eval $VERSION; -our $AUTHORITY = 'cpan:STEVAN'; - use base 'Moose::Meta::TypeConstraint'; __PACKAGE__->meta->add_attribute('role' => ( reader => 'role', + Class::MOP::_definition_context(), )); +my $inliner = sub { + my $self = shift; + my $val = shift; + + return 'Moose::Util::does_role(' + . $val . ', ' + . B::perlstring($self->role) + . ')'; +}; + sub new { my ( $class, %args ) = @_; $args{parent} = Moose::Util::TypeConstraints::find_type_constraint('Object'); - my $self = $class->_new(\%args); + + my $role_name = $args{role}; + $args{constraint} = sub { Moose::Util::does_role( $_[0], $role_name ) }; + + $args{inlined} = $inliner; + + my $self = $class->SUPER::new( \%args ); $self->_create_hand_optimized_type_constraint; $self->compile_type_constraint(); @@ -78,7 +92,8 @@ sub is_subtype_of { if ( not ref $type_or_name_or_role ) { # it might be a role - return 1 if Class::MOP::class_of($self->role)->does_role( $type_or_name_or_role ); + my $class = Class::MOP::class_of($self->role); + return 1 if defined($class) && $class->does_role( $type_or_name_or_role ); } my $type = Moose::Util::TypeConstraints::find_type_constraint($type_or_name_or_role); @@ -88,7 +103,8 @@ sub is_subtype_of { if ( $type->isa(__PACKAGE__) ) { # if $type_or_name_or_role isn't a role, it might be the TC name of another ::Role type # or it could also just be a type object in this branch - return Class::MOP::class_of($self->role)->does_role( $type->role ); + my $class = Class::MOP::class_of($self->role); + return defined($class) && $class->does_role( $type->role ); } else { # the only other thing we are a subtype of is Object $self->SUPER::is_subtype_of($type); @@ -102,14 +118,12 @@ sub create_child_type { 1; +# ABSTRACT: Role/TypeConstraint parallel hierarchy + __END__ =pod -=head1 NAME - -Moose::Meta::TypeConstraint::Role - Role/TypeConstraint parallel hierarchy - =head1 DESCRIPTION This class represents type constraints for a role. @@ -167,17 +181,4 @@ object! See L for details on reporting bugs. -=head1 AUTHOR - -Yuval Kogman Enothingmuch@cpan.orgE - -=head1 COPYRIGHT AND LICENSE - -Copyright 2006-2010 by Infinity Interactive, Inc. - -L - -This library is free software; you can redistribute it and/or modify -it under the same terms as Perl itself. - =cut