use Carp 'confess';
use Scalar::Util 'blessed', 'weaken';
-our $VERSION = '0.02';
+our $VERSION = '0.75';
+$VERSION = eval $VERSION;
our $AUTHORITY = 'cpan:STEVAN';
use base 'Class::MOP::Method::Generated';
sub new {
my $class = shift;
my %options = @_;
-
+
(exists $options{attribute})
|| confess "You must supply an attribute to construct with";
-
+
(exists $options{accessor_type})
- || confess "You must supply an accessor_type to construct with";
-
+ || confess "You must supply an accessor_type to construct with";
+
(blessed($options{attribute}) && $options{attribute}->isa('Class::MOP::Attribute'))
- || confess "You must supply an attribute which is a 'Class::MOP::Attribute' instance";
-
- my $self = bless {
- # from our superclass
- '&!body' => undef,
- # specific to this subclass
- '$!attribute' => $options{attribute},
- '$!is_inline' => ($options{is_inline} || 0),
- '$!accessor_type' => $options{accessor_type},
- } => $class;
-
- # we don't want this creating
- # a cycle in the code, if not
+ || confess "You must supply an attribute which is a 'Class::MOP::Attribute' instance";
+
+ ($options{package_name} && $options{name})
+ || confess "You must supply the package_name and name parameters $Class::MOP::Method::UPGRADE_ERROR_TEXT";
+
+ my $self = $class->_new(\%options);
+
+ # we don't want this creating
+ # a cycle in the code, if not
# needed
- weaken($self->{'$!attribute'});
-
+ weaken($self->{'attribute'});
+
$self->initialize_body;
-
+
return $self;
}
+sub _new {
+ my $class = shift;
+ my $options = @_ == 1 ? $_[0] : {@_};
+
+ $options->{is_inline} ||= 0;
+
+ return bless $options, $class;
+}
+
## accessors
-sub associated_attribute { (shift)->{'$!attribute'} }
-sub accessor_type { (shift)->{'$!accessor_type'} }
+sub associated_attribute { (shift)->{'attribute'} }
+sub accessor_type { (shift)->{'accessor_type'} }
-## factory
+## factory
sub initialize_body {
my $self = shift;
-
+
my $method_name = join "_" => (
- 'generate',
- $self->accessor_type,
+ 'generate',
+ $self->accessor_type,
'method',
($self->is_inline ? 'inline' : ())
);
-
- eval { $self->{'&!body'} = $self->$method_name() };
+
+ eval { $self->{'body'} = $self->$method_name() };
die $@ if $@;
}
## generators
sub generate_accessor_method {
- my $attr = (shift)->associated_attribute;
+ my $attr = (shift)->associated_attribute;
return sub {
$attr->set_value($_[0], $_[1]) if scalar(@_) == 2;
$attr->get_value($_[0]);
}
sub generate_reader_method {
- my $attr = (shift)->associated_attribute;
- return sub {
+ my $attr = (shift)->associated_attribute;
+ return sub {
confess "Cannot assign a value to a read-only accessor" if @_ > 1;
$attr->get_value($_[0]);
- };
+ };
}
sub generate_writer_method {
- my $attr = (shift)->associated_attribute;
+ my $attr = (shift)->associated_attribute;
return sub {
$attr->set_value($_[0], $_[1]);
};
}
sub generate_predicate_method {
- my $attr = (shift)->associated_attribute;
- return sub {
+ my $attr = (shift)->associated_attribute;
+ return sub {
$attr->has_value($_[0])
};
}
sub generate_clearer_method {
- my $attr = (shift)->associated_attribute;
- return sub {
+ my $attr = (shift)->associated_attribute;
+ return sub {
$attr->clear_value($_[0])
};
}
sub generate_accessor_method_inline {
- my $attr = (shift)->associated_attribute;
+ my $attr = (shift)->associated_attribute;
my $attr_name = $attr->name;
my $meta_instance = $attr->associated_class->instance_metaclass;
}
sub generate_reader_method_inline {
- my $attr = (shift)->associated_attribute;
+ my $attr = (shift)->associated_attribute;
my $attr_name = $attr->name;
my $meta_instance = $attr->associated_class->instance_metaclass;
}
sub generate_writer_method_inline {
- my $attr = (shift)->associated_attribute;
+ my $attr = (shift)->associated_attribute;
my $attr_name = $attr->name;
my $meta_instance = $attr->associated_class->instance_metaclass;
sub generate_predicate_method_inline {
- my $attr = (shift)->associated_attribute;
+ my $attr = (shift)->associated_attribute;
my $attr_name = $attr->name;
my $meta_instance = $attr->associated_class->instance_metaclass;
- my $code = eval 'sub {'
- . 'defined ' . $meta_instance->inline_get_slot_value('$_[0]', "'$attr_name'") . ' ? 1 : 0'
+ my $code = eval 'sub {' .
+ $meta_instance->inline_is_slot_initialized('$_[0]', "'$attr_name'")
. '}';
confess "Could not generate inline predicate because : $@" if $@;
}
sub generate_clearer_method_inline {
- my $attr = (shift)->associated_attribute;
+ my $attr = (shift)->associated_attribute;
my $attr_name = $attr->name;
my $meta_instance = $attr->associated_class->instance_metaclass;
=pod
-=head1 NAME
+=head1 NAME
Class::MOP::Method::Accessor - Method Meta Object for accessors
is_inline => 1,
accessor_type => 'reader',
);
-
- $reader->body->($instance); # call the reader method
+
+ $reader->body->execute($instance); # call the reader method
=head1 DESCRIPTION
-This is a C<Class::MOP::Method> subclass which is used interally
-by C<Class::MOP::Attribute> to generate accessor code. It can
-handle generation of readers, writers, predicate and clearer
+This is a C<Class::MOP::Method> subclass which is used interally
+by C<Class::MOP::Attribute> to generate accessor code. It can
+handle generation of readers, writers, predicate and clearer
methods, both as closures and as more optimized inline methods.
=head1 METHODS
=item B<new (%options)>
-This creates the method based on the criteria in C<%options>,
+This creates the method based on the criteria in C<%options>,
these options are:
=over 4
=item I<attribute>
-This must be an instance of C<Class::MOP::Attribute> which this
+This must be an instance of C<Class::MOP::Attribute> which this
accessor is being generated for. This paramter is B<required>.
=item I<accessor_type>
-This is a string from the following set; reader, writer, accessor,
-predicate or clearer. This is used to determine which type of
+This is a string from the following set; reader, writer, accessor,
+predicate or clearer. This is used to determine which type of
method is to be generated.
=item I<is_inline>
=item B<initialize_body>
-This will actually generate the method based on the specified
+This will actually generate the method based on the specified
criteria passed to the constructor.
=back
=head2 Method Generators
-These methods will generate appropriate code references for
-the various types of accessors which are supported by
+These methods will generate appropriate code references for
+the various types of accessors which are supported by
C<Class::MOP::Attribute>. The names pretty much explain it all.
=over 4
=head1 COPYRIGHT AND LICENSE
-Copyright 2006, 2007 by Infinity Interactive, Inc.
+Copyright 2006-2008 by Infinity Interactive, Inc.
L<http://www.iinteractive.com>
This library is free software; you can redistribute it and/or modify
-it under the same terms as Perl itself.
+it under the same terms as Perl itself.
=cut
projects / gitmo/Class-MOP.git / blobdiff