package Mouse::Meta::Module;
-use strict;
-use warnings;
-
-use Carp ();
-use Scalar::Util qw/blessed weaken/;
-
-use Mouse::Util qw/:meta get_code_package not_supported load_class/;
+use Mouse::Util qw/:meta get_code_package get_code_ref load_class not_supported/; # enables strict and warnings
+use Carp ();
+use Scalar::Util ();
my %METAS;
-# because Mouse doesn't introspect existing classes, we're forced to
-# only pay attention to other Mouse classes
-sub _metaclass_cache {
+sub _metaclass_cache { # DEPRECATED
my($class, $name) = @_;
return $METAS{$name};
}
#sub does_metaclass_exist { defined $METAS{$_[0]} }
#sub remove_metaclass_by_name { delete $METAS{$_[0]} }
+sub name;
-
-sub name { $_[0]->{package} }
+sub namespace;
# The followings are Class::MOP specific methods
# add_attribute is an abstract method
-sub get_attribute_map {
+sub get_attribute_map { # DEPRECATED
Carp::cluck('get_attribute_map() has been deprecated');
return $_[0]->{attributes};
}
sub has_attribute { exists $_[0]->{attributes}->{$_[1]} }
sub get_attribute { $_[0]->{attributes}->{$_[1]} }
-sub get_attribute_list{ keys %{$_[0]->{attributes}} }
sub remove_attribute { delete $_[0]->{attributes}->{$_[1]} }
-sub namespace{
- my $name = $_[0]->{package};
- no strict 'refs';
- return \%{ $name . '::' };
-}
-
-sub add_method {
- my($self, $name, $code) = @_;
-
- if(!defined $name){
- $self->throw_error('You must pass a defined name');
- }
- if(!defined $code){
- $self->throw_error('You must pass a defined code');
- }
-
- if(ref($code) ne 'CODE'){
- not_supported 'add_method for a method object';
- }
-
- $self->{methods}->{$name}++; # Moose stores meta object here.
+sub get_attribute_list{ keys %{$_[0]->{attributes}} }
- my $pkg = $self->name;
- no strict 'refs';
- no warnings 'redefine';
- *{ $pkg . '::' . $name } = $code;
-}
# XXX: for backward compatibility
my %foreign = map{ $_ => undef } qw(
Mouse Mouse::Role Mouse::Util Mouse::Util::TypeConstraints
- Carp Scalar::Util
+ Carp Scalar::Util List::Util
);
sub _code_is_mine{
- my($self, $code) = @_;
-
- my $package = get_code_package($code);
+# my($self, $code) = @_;
- return !exists $foreign{$package};
+ return !exists $foreign{ get_code_package($_[1]) };
}
+sub add_method;
+
sub has_method {
my($self, $method_name) = @_;
- return 1 if $self->{methods}->{$method_name};
+ defined($method_name)
+ or $self->throw_error('You must define a method name');
+
+ return defined($self->{methods}{$method_name}) || do{
+ my $code = get_code_ref($self->{package}, $method_name);
+ $code && $self->_code_is_mine($code);
+ };
+}
+
+sub get_method_body {
+ my($self, $method_name) = @_;
- my $code = do{ no strict 'refs'; *{$self->{package} . '::' . $method_name}{CODE} };
+ defined($method_name)
+ or $self->throw_error('You must define a method name');
- return $code && $self->_code_is_mine($code);
+ return $self->{methods}{$method_name} ||= do{
+ my $code = get_code_ref($self->{package}, $method_name);
+ $code && $self->_code_is_mine($code) ? $code : undef;
+ };
}
sub get_method{
my($self, $method_name) = @_;
- if($self->has_method($method_name)){
+ if(my $code = $self->get_method_body($method_name)){
my $method_metaclass = $self->method_metaclass;
load_class($method_metaclass);
- my $package = $self->name;
- return $method_metaclass->new(
- body => $package->can($method_name),
- name => $method_name,
- package => $package,
+ return $method_metaclass->wrap(
+ body => $code,
+ name => $method_name,
+ package => $self->name,
+ associated_metaclass => $self,
);
}
my %IMMORTALS;
sub create {
- my($class, $package_name, %options) = @_;
+ my($self, $package_name, %options) = @_;
- $class->throw_error('You must pass a package name') if @_ < 2;
+ my $class = ref($self) || $self;
+ $self->throw_error('You must pass a package name') if @_ < 2;
my $superclasses;
if(exists $options{superclasses}){
- if($class->isa('Mouse::Meta::Role')){
+ if(Mouse::Util::is_a_metarole($self)){
delete $options{superclasses};
}
else{
$superclasses = delete $options{superclasses};
(ref $superclasses eq 'ARRAY')
- || $class->throw_error("You must pass an ARRAY ref of superclasses");
+ || $self->throw_error("You must pass an ARRAY ref of superclasses");
}
}
my $attributes = delete $options{attributes};
if(defined $attributes){
(ref $attributes eq 'ARRAY' || ref $attributes eq 'HASH')
- || $class->throw_error("You must pass an ARRAY ref of attributes");
+ || $self->throw_error("You must pass an ARRAY ref of attributes");
}
my $methods = delete $options{methods};
if(defined $methods){
(ref $methods eq 'HASH')
- || $class->throw_error("You must pass a HASH ref of methods");
+ || $self->throw_error("You must pass a HASH ref of methods");
}
my $roles = delete $options{roles};
if(defined $roles){
(ref $roles eq 'ARRAY')
- || $class->throw_error("You must pass an ARRAY ref of roles");
+ || $self->throw_error("You must pass an ARRAY ref of roles");
}
my $mortal;
my $cache_key;
${ $package_name . '::AUTHORITY' } = delete $options{authority} if exists $options{authority};
}
- my $meta = $class->initialize( $package_name, %options);
+ my $meta = $self->initialize( $package_name, %options);
- weaken $METAS{$package_name}
+ Scalar::Util::weaken $METAS{$package_name}
if $mortal;
- # FIXME totally lame
- $meta->add_method('meta' => sub {
- $class->initialize(ref($_[0]) || $_[0]);
+ $meta->add_method(meta => sub{
+ $self->initialize(ref($_[0]) || $_[0]);
});
$meta->superclasses(@{$superclasses})
Mouse::Meta::Module - The base class for Mouse::Meta::Class and Mouse::Meta::Role
+=head1 VERSION
+
+This document describes Mouse version 0.40_05
+
=head1 SEE ALSO
L<Class::MOP::Class>