use Carp 'confess';
use Scalar::Util 'blessed', 'reftype', 'weaken';
-our $VERSION = '0.08';
+our $VERSION = '0.09';
sub meta {
require Class::MOP::Class;
}
# NOTE: (meta-circularity)
-# This method will be replaces in the
+# This method will be replaced in the
# boostrap section of Class::MOP, by
# a new version which uses the
# &Class::MOP::Class::construct_instance
# NOTE:
# this is a primative (and kludgy) clone operation
-# for now, it will be repleace in the Class::MOP
+# for now, it will be replaced in the Class::MOP
# bootstrap with a proper one, however we know
# that this one will work fine for now.
sub clone {
$self->{associated_class} = undef;
}
+## Slot management
+
+sub set_value {
+ my ( $self, $instance, $value ) = @_;
+
+ Class::MOP::Class->initialize(Scalar::Util::blessed($instance))
+ ->get_meta_instance
+ ->set_slot_value( $instance, $self->name, $value );
+}
+
+sub get_value {
+ my ( $self, $instance ) = @_;
+
+ Class::MOP::Class->initialize(Scalar::Util::blessed($instance))
+ ->get_meta_instance
+ ->get_slot_value( $instance, $self->name );
+}
+
## Method generation helpers
sub generate_accessor_method {
- my $self = shift;
- my $attr_name = $self->name;
+ my $attr = shift;
return sub {
- my $meta_instance = Class::MOP::Class->initialize(Scalar::Util::blessed($_[0]))->get_meta_instance;
- $meta_instance->set_slot_value($_[0], $attr_name, $_[1]) if scalar(@_) == 2;
- $meta_instance->get_slot_value($_[0], $attr_name);
+ $attr->set_value( $_[0], $_[1] ) if scalar(@_) == 2;
+ $attr->get_value( $_[0] );
};
}
my $meta_instance = $self->associated_class->instance_metaclass;
my $code = eval 'sub {'
- . $meta_instance->inline_set_slot_value('$_[0]', $attr_name, '$_[1]') . ' if scalar(@_) == 2; '
- . $meta_instance->inline_get_slot_value('$_[0]', $attr_name)
+ . $meta_instance->inline_set_slot_value('$_[0]', "'$attr_name'", '$_[1]') . ' if scalar(@_) == 2; '
+ . $meta_instance->inline_get_slot_value('$_[0]', "'$attr_name'")
. '}';
confess "Could not generate inline accessor because : $@" if $@;
}
sub generate_reader_method {
- my $self = shift;
- my $attr_name = $self->name;
+ my $attr = shift;
return sub {
confess "Cannot assign a value to a read-only accessor" if @_ > 1;
- Class::MOP::Class->initialize(Scalar::Util::blessed($_[0]))
- ->get_meta_instance
- ->get_slot_value($_[0], $attr_name);
+ $attr->get_value( $_[0] );
};
}
my $code = eval 'sub {'
. 'confess "Cannot assign a value to a read-only accessor" if @_ > 1;'
- . $meta_instance->inline_get_slot_value('$_[0]', $attr_name)
+ . $meta_instance->inline_get_slot_value('$_[0]', "'$attr_name'")
. '}';
confess "Could not generate inline accessor because : $@" if $@;
}
sub generate_writer_method {
- my $self = shift;
- my $attr_name = $self->name;
- return sub {
- Class::MOP::Class->initialize(Scalar::Util::blessed($_[0]))
- ->get_meta_instance
- ->set_slot_value($_[0], $attr_name, $_[1]);
+ my $attr = shift;
+ return sub {
+ $attr->set_value( $_[0], $_[1] );
};
}
my $meta_instance = $self->associated_class->instance_metaclass;
my $code = eval 'sub {'
- . $meta_instance->inline_set_slot_value('$_[0]', $attr_name, '$_[1]')
+ . $meta_instance->inline_set_slot_value('$_[0]', "'$attr_name'", '$_[1]')
. '}';
confess "Could not generate inline accessor because : $@" if $@;
my $meta_instance = $self->associated_class->instance_metaclass;
my $code = eval 'sub {'
- . 'defined ' . $meta_instance->inline_get_slot_value('$_[0]', $attr_name) . ' ? 1 : 0'
+ . 'defined ' . $meta_instance->inline_get_slot_value('$_[0]', "'$attr_name'") . ' ? 1 : 0'
. '}';
confess "Could not generate inline accessor because : $@" if $@;
if (reftype($accessor)) {
(reftype($accessor) eq 'HASH')
|| confess "bad accessor/reader/writer/predicate format, must be a HASH ref";
- my ($name, $method) = each %{$accessor};
+ my ($name, $method) = %{$accessor};
return ($name, Class::MOP::Attribute::Accessor->wrap($method));
}
else {
=back
+=head2 Value management
+
+=over 4
+
+=item set_value $instance, $value
+
+Set the value without going through the accessor. Note that this may be done to
+even attributes with just read only accessors.
+
+=item get_value $instance
+
+Return the value without going through the accessor. Note that this may be done
+even to attributes with just write only accessors.
+
+=back
+
=head2 Informational
These are all basic read-only value accessors for the values
=item B<init_arg>
+=item B<is_default_a_coderef>
+
=item B<default (?$instance)>
As noted in the documentation for C<new> above, if the I<default>
=back
+=over 4
+
+=item B<generate_accessor_method_inline>
+
+=item B<generate_predicate_method_inline>
+
+=item B<generate_reader_method_inline>
+
+=item B<generate_writer_method_inline>
+
+=back
+
=item B<remove_accessors>
This allows the attribute to remove the method for it's own
This library is free software; you can redistribute it and/or modify
it under the same terms as Perl itself.
-=cut
\ No newline at end of file
+=cut
+