use Carp 'confess';
use Scalar::Util 'blessed', 'weaken';
-our $VERSION = '0.78_02';
+our $VERSION = '0.80';
$VERSION = eval $VERSION;
our $AUTHORITY = 'cpan:STEVAN';
: ref($super_meta);
($self->isa($super_meta_type))
- || confess $self->name . "->meta => (" . (ref($self)) . ")" .
- " is not compatible with the " .
- $superclass_name . "->meta => (" . ($super_meta_type) . ")";
+ || confess "Class::MOP::class_of(" . $self->name . ") => ("
+ . (ref($self)) . ")" . " is not compatible with the " .
+ "Class::MOP::class_of(".$superclass_name . ") => ("
+ . ($super_meta_type) . ")";
# NOTE:
# we also need to check that instance metaclasses
# are compatibile in the same the class.
($self->instance_metaclass->isa($super_meta->instance_metaclass))
- || confess $self->name . "->meta->instance_metaclass => (" . ($self->instance_metaclass) . ")" .
+ || confess "Class::MOP::class_of(" . $self->name . ")->instance_metaclass => (" . ($self->instance_metaclass) . ")" .
" is not compatible with the " .
- $superclass_name . "->meta->instance_metaclass => (" . ($super_meta->instance_metaclass) . ")";
+ "Class::MOP::class_of(" . $superclass_name . ")->instance_metaclass => (" . ($super_meta->instance_metaclass) . ")";
}
}
sub rebless_instance {
my ($self, $instance, %params) = @_;
- my $old_metaclass;
- if ($instance->can('meta')) {
- ($instance->meta->isa('Class::MOP::Class'))
- || confess 'Cannot rebless instance if ->meta is not an instance of Class::MOP::Class';
- $old_metaclass = $instance->meta;
- }
- else {
- $old_metaclass = $self->initialize(blessed($instance));
- }
+ my $old_metaclass = Class::MOP::class_of($instance);
- $old_metaclass->rebless_instance_away($instance, $self, %params);
+ my $old_class = $old_metaclass ? $old_metaclass->name : blessed($instance);
+ $self->name->isa($old_class)
+ || confess "You may rebless only into a subclass of ($old_class), of which (". $self->name .") isn't.";
- my $meta_instance = $self->get_meta_instance();
+ $old_metaclass->rebless_instance_away($instance, $self, %params)
+ if $old_metaclass;
- $self->name->isa($old_metaclass->name)
- || confess "You may rebless only into a subclass of (". $old_metaclass->name ."), of which (". $self->name .") isn't.";
+ my $meta_instance = $self->get_meta_instance();
# rebless!
# we use $_[1] here because of t/306_rebless_overload.t regressions on 5.8.8
sub subclasses {
my $self = shift;
-
my $super_class = $self->name;
- if ( Class::MOP::HAVE_ISAREV() ) {
- return @{ $super_class->mro::get_isarev() };
- } else {
- my @derived_classes;
-
- my $find_derived_classes;
- $find_derived_classes = sub {
- my ($outer_class) = @_;
-
- my $symbol_table_hashref = do { no strict 'refs'; \%{"${outer_class}::"} };
-
- SYMBOL:
- for my $symbol ( keys %$symbol_table_hashref ) {
- next SYMBOL if $symbol !~ /\A (\w+):: \z/x;
- my $inner_class = $1;
-
- next SYMBOL if $inner_class eq 'SUPER'; # skip '*::SUPER'
-
- my $class =
- $outer_class
- ? "${outer_class}::$inner_class"
- : $inner_class;
-
- if ( $class->isa($super_class) and $class ne $super_class ) {
- push @derived_classes, $class;
- }
-
- next SYMBOL if $class eq 'main'; # skip 'main::*'
-
- $find_derived_classes->($class);
- }
- };
-
- my $root_class = q{};
- $find_derived_classes->($root_class);
-
- undef $find_derived_classes;
-
- @derived_classes = sort { $a->isa($b) ? 1 : $b->isa($a) ? -1 : 0 } @derived_classes;
-
- return @derived_classes;
- }
+ return @{ $super_class->mro::get_isarev() };
}