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 = '0.73';
+our $VERSION = '0.99';
$VERSION = eval $VERSION;
our $AUTHORITY = 'cpan:STEVAN';
use Moose::Meta::Method::Overridden;
use Moose::Meta::Method::Augmented;
use Moose::Error::Default;
+use Moose::Meta::Class::Immutable::Trait;
+use Moose::Meta::Method::Constructor;
+use Moose::Meta::Method::Destructor;
use base 'Class::MOP::Class';
default => sub { [] }
));
+__PACKAGE__->meta->add_attribute('role_applications' => (
+ reader => '_get_role_applications',
+ default => sub { [] }
+));
+
+__PACKAGE__->meta->add_attribute(
+ Class::MOP::Attribute->new('immutable_trait' => (
+ accessor => "immutable_trait",
+ default => 'Moose::Meta::Class::Immutable::Trait',
+ ))
+);
+
__PACKAGE__->meta->add_attribute('constructor_class' => (
accessor => 'constructor_class',
default => 'Moose::Meta::Method::Constructor',
default => 'Moose::Error::Default',
));
-
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 {
+ my ( $self, @args ) = @_;
+
+ $self->SUPER::_immutable_options(
+ inline_destructor => 1,
+
+ # Moose always does this when an attribute is created
+ inline_accessors => 0,
+
+ @args,
+ );
}
sub create {
my ($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;
}
-sub check_metaclass_compatibility {
+sub _check_metaclass_compatibility {
my $self = shift;
if ( my @supers = $self->superclasses ) {
$self->_fix_metaclass_incompatibility(@supers);
}
- $self->SUPER::check_metaclass_compatibility(@_);
+ $self->SUPER::_check_metaclass_compatibility(@_);
}
my %ANON_CLASSES;
my ($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} || []}),
- );
-
+
+ my $cache_key
+ = _anon_cache_key( $options{superclasses}, $options{roles} );
+
if ($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
return $new_class;
}
+sub _anon_cache_key {
+ # Makes something like Super::Class|Super::Class::2=Role|Role::1
+ return join '=' => (
+ join( '|', @{ $_[0] || [] } ),
+ join( '|', sort @{ $_[1] || [] } ),
+ );
+}
+
+sub reinitialize {
+ my $self = shift;
+ my $pkg = shift;
+
+ my $meta = blessed $pkg ? $pkg : Class::MOP::class_of($pkg);
+
+ my $cache_key;
+
+ my %existing_classes;
+ if ($meta) {
+ %existing_classes = map { $_ => $meta->$_() } qw(
+ attribute_metaclass
+ method_metaclass
+ wrapped_method_metaclass
+ instance_metaclass
+ constructor_class
+ destructor_class
+ error_class
+ );
+
+ $cache_key = _anon_cache_key(
+ [ $meta->superclasses ],
+ [ map { $_->name } @{ $meta->roles } ],
+ ) if $meta->is_anon_class;
+ }
+
+ my $new_meta = $self->SUPER::reinitialize(
+ $pkg,
+ %existing_classes,
+ @_,
+ );
+
+ return $new_meta unless defined $cache_key;
+
+ my $new_cache_key = _anon_cache_key(
+ [ $meta->superclasses ],
+ [ map { $_->name } @{ $meta->roles } ],
+ );
+
+ delete $ANON_CLASSES{$cache_key};
+ $ANON_CLASSES{$new_cache_key} = $new_meta;
+
+ return $new_meta;
+}
+
sub add_role {
my ($self, $role) = @_;
(blessed($role) && $role->isa('Moose::Meta::Role'))
push @{$self->roles} => $role;
}
+sub role_applications {
+ my ($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;
foreach my $class ($self->class_precedence_list) {
my $meta = Class::MOP::class_of($class);
+ # when a Moose metaclass is itself extended with a role,
+ # this check needs to be done since some items in the
+ # class_precedence_list might in fact be Class::MOP
+ # based still.
next unless $meta && $meta->can('roles');
foreach my $role (@{$meta->roles}) {
return 1 if $role->does_role($role_name);
my $params = @_ == 1 ? $_[0] : {@_};
my $self = $class->SUPER::new_object($params);
- foreach my $attr ( $class->compute_all_applicable_attributes() ) {
+ foreach my $attr ( $class->get_all_attributes() ) {
next unless $attr->can('has_trigger') && $attr->has_trigger;
? $attr->get_read_method_ref->($self)
: $params->{$init_arg}
),
- $attr
);
}
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->compute_all_applicable_attributes()) {
- $attr->initialize_instance_slot($meta_instance, $instance, $params);
+sub superclasses {
+ my $self = shift;
+ my @supers = @_;
+ foreach my $super (@supers) {
+ Class::MOP::load_class($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 $instance;
+ 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 $attr;
}
sub add_override_method_modifier {
sub _fix_metaclass_incompatibility {
my ($self, @superclasses) = @_;
- foreach my $super (@superclasses) {
- next if $self->_superclass_meta_is_compatible($super);
+ $self->_fix_one_incompatible_metaclass($_)
+ for map { Moose::Meta::Class->initialize($_) } @superclasses;
+}
- unless ( $self->is_pristine ) {
- $self->throw_error(
- "Cannot attempt to reinitialize metaclass for "
- . $self->name
- . ", it isn't pristine" );
- }
+sub _fix_one_incompatible_metaclass {
+ my ($self, $meta) = @_;
- $self->_reconcile_with_superclass_meta($super);
+ 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");
my $super_meta_name
= $super_meta->is_immutable
- ? $super_meta->get_mutable_metaclass_name
+ ? $super_meta->_get_mutable_metaclass_name
: ref($super_meta);
return 1
# I don't want to have to type this >1 time
my @MetaClassTypes =
- qw( attribute_metaclass method_metaclass instance_metaclass
- constructor_class destructor_class error_class );
+ qw( attribute_metaclass
+ method_metaclass
+ wrapped_method_metaclass
+ instance_metaclass
+ constructor_class
+ destructor_class
+ error_class );
sub _reconcile_with_superclass_meta {
- my ($self, $super) = @_;
-
- my $super_meta = $super->meta;
+ my ($self, $super_meta) = @_;
my $super_meta_name
= $super_meta->is_immutable
- ? $super_meta->get_mutable_metaclass_name
+ ? $super_meta->_get_mutable_metaclass_name
: ref($super_meta);
my $self_metaclass = ref $self;
sub _reconcile_role_differences {
my ($self, $super_meta) = @_;
- my $self_meta = $self->meta;
+ my $self_meta = Class::MOP::class_of($self);
my %roles;
return $self;
}
-# NOTE:
-# this was crap anyway, see
-# Moose::Util::apply_all_roles
-# instead
-sub _apply_all_roles {
- Carp::croak 'DEPRECATED: use Moose::Util::apply_all_roles($meta, @roles) instead'
-}
-
sub _process_attribute {
my ( $self, $name, @args ) = @_;
## -------------------------------------------------
-use Moose::Meta::Method::Constructor;
-use Moose::Meta::Method::Destructor;
-
-
-sub _default_immutable_transformer_options {
- my $self = shift;
-
- my %options = $self->SUPER::_default_immutable_transformer_options;
-
- # We need to copy the references as we do not want to alter the
- # superclass's references.
- $options{cannot_call} = [ @{ $options{cannot_call} }, 'add_role' ];
- $options{memoize} = {
- %{ $options{memoize} },
- calculate_all_roles => 'ARRAY',
- };
-
- %options = (
- %options,
- constructor_class => $self->constructor_class,
- destructor_class => $self->destructor_class,
- inline_destructor => 1,
-
- # Moose always does this when an attribute is created
- inline_accessors => 0,
- );
-
- return %options
-}
-
our $error_level;
sub throw_error {
=item B<< Moose::Meta::Class->create($package_name, %options) >>
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.
+option. This should be an array reference containing roles
+that the class does, each optionally followed by a hashref of options
+(C<-excludes> and C<-alias>).
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<< $metaclass->does_role($role_name) >>
+=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) >>
-This returns a boolean indicating whether or not the class does the
-specified role. This tests both the class and its parents.
+This returns a boolean indicating whether or not the class does the specified
+role. The role provided can be either a role name or a L<Moose::Meta::Role>
+object. This tests both the class and its parents.
=item B<< $metaclass->excludes_role($role_name) >>
=head1 BUGS
-All complex software has bugs lurking in it, and this module is no
-exception. If you find a bug please either email me, or add the bug
-to cpan-RT.
+See L<Moose/BUGS> for details on reporting bugs.
=head1 AUTHOR
=head1 COPYRIGHT AND LICENSE
-Copyright 2006-2009 by Infinity Interactive, Inc.
+Copyright 2006-2010 by Infinity Interactive, Inc.
L<http://www.iinteractive.com>
projects / gitmo/Moose.git / blobdiff