package Mouse::Meta::Module;
-use strict;
-use warnings;
+use Mouse::Util qw/:meta get_code_package load_class not_supported/; # enables strict and warnings
use Carp ();
use Scalar::Util qw/blessed weaken/;
-use Mouse::Util qw/:meta get_code_package not_supported load_class/;
-
-
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};
}
# add_attribute is an abstract method
-sub get_attribute_map {
+sub get_attribute_map { # DEPRECATED
Carp::cluck('get_attribute_map() has been deprecated');
return $_[0]->{attributes};
}
}
if(ref($code) ne 'CODE'){
- not_supported 'add_method for a method object';
+ $code = \&{$code}; # coerce
}
- $self->{methods}->{$name}++; # Moose stores meta object here.
+ $self->{methods}->{$name} = $code; # Moose stores meta object here.
my $pkg = $self->name;
no strict 'refs';
sub has_method {
my($self, $method_name) = @_;
- return 1 if $self->{methods}->{$method_name};
+ defined($method_name)
+ or $self->throw_error('You must define a method name');
- my $code = do{ no strict 'refs'; *{$self->{package} . '::' . $method_name}{CODE} };
+ return 1 if $self->{methods}{$method_name};
+
+ my $code = do{
+ no strict 'refs';
+ *{ $self->{package} . '::' . $method_name }{CODE};
+ };
return $code && $self->_code_is_mine($code);
}
+sub get_method_body{
+ my($self, $method_name) = @_;
+
+ defined($method_name)
+ or $self->throw_error('You must define a method name');
+
+ return $self->{methods}{$method_name} ||= do{
+ my $code = do{ no strict 'refs'; *{$self->{package} . '::' . $method_name}{CODE} };
+
+ ($code && $self->_code_is_mine($code)) ? $code : undef;
+ };
+}
+
sub get_method{
my($self, $method_name) = @_;
{
my $ANON_SERIAL = 0;
- my $ANON_PREFIX = 'Mouse::Meta::Module::__ANON__::';
my %IMMORTALS;
sub create {
- my ($class, $package_name, %options) = @_;
-
- $class->throw_error('You must pass a package name') if @_ == 1;
+ my($self, $package_name, %options) = @_;
+ 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::Class')){
- (ref $options{superclasses} eq 'ARRAY')
- || $class->throw_error("You must pass an ARRAY ref of superclasses");
- }
- else{ # role
+ if($self->isa('Mouse::Meta::Role')){
delete $options{superclasses};
}
+ else{
+ $superclasses = delete $options{superclasses};
+ (ref $superclasses eq 'ARRAY')
+ || $self->throw_error("You must pass an ARRAY ref of superclasses");
+ }
}
- my $attributes;
- if(exists $options{attributes}){
- $attributes = delete $options{attributes};
- (ref $attributes eq 'ARRAY' || ref $attributes eq 'HASH')
- || $class->throw_error("You must pass an ARRAY ref of attributes")
- }
-
- (ref $options{methods} eq 'HASH')
- || $class->throw_error("You must pass a HASH ref of methods")
- if exists $options{methods};
-
- (ref $options{roles} eq 'ARRAY')
- || $class->throw_error("You must pass an ARRAY ref of roles")
- if exists $options{roles};
-
-
- my @extra_options;
+ my $attributes = delete $options{attributes};
+ if(defined $attributes){
+ (ref $attributes eq 'ARRAY' || ref $attributes eq 'HASH')
+ || $self->throw_error("You must pass an ARRAY ref of attributes");
+ }
+ my $methods = delete $options{methods};
+ if(defined $methods){
+ (ref $methods eq 'HASH')
+ || $self->throw_error("You must pass a HASH ref of methods");
+ }
+ my $roles = delete $options{roles};
+ if(defined $roles){
+ (ref $roles eq 'ARRAY')
+ || $self->throw_error("You must pass an ARRAY ref of roles");
+ }
my $mortal;
my $cache_key;
if(!$mortal){
# something like Super::Class|Super::Class::2=Role|Role::1
$cache_key = join '=' => (
- join('|', @{$options{superclasses} || []}),
- join('|', sort @{$options{roles} || []}),
+ join('|', @{$superclasses || []}),
+ join('|', sort @{$roles || []}),
);
return $IMMORTALS{$cache_key} if exists $IMMORTALS{$cache_key};
}
- $package_name = $ANON_PREFIX . ++$ANON_SERIAL;
-
- push @extra_options, (anon_serial_id => $ANON_SERIAL);
+ $options{anon_serial_id} = ++$ANON_SERIAL;
+ $package_name = $class . '::__ANON__::' . $ANON_SERIAL;
}
# instantiate a module
${ $package_name . '::AUTHORITY' } = delete $options{authority} if exists $options{authority};
}
- my %initialize_options = %options;
- delete @initialize_options{qw(
- package
- superclasses
- attributes
- methods
- roles
- )};
- my $meta = $class->initialize( $package_name, %initialize_options, @extra_options);
+ my $meta = $self->initialize( $package_name, %options);
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]);
});
- $meta->superclasses(@{$options{superclasses}})
- if exists $options{superclasses};
+ $meta->superclasses(@{$superclasses})
+ if defined $superclasses;
# NOTE:
# process attributes first, so that they can
# I think this should be the order of things.
if (defined $attributes) {
if(ref($attributes) eq 'ARRAY'){
+ # array of Mouse::Meta::Attribute
foreach my $attr (@{$attributes}) {
- $meta->add_attribute($attr->{name} => $attr);
+ $meta->add_attribute($attr);
}
}
else{
+ # hash map of name and attribute spec pairs
while(my($name, $attr) = each %{$attributes}){
$meta->add_attribute($name => $attr);
}
}
}
- if (exists $options{methods}) {
- foreach my $method_name (keys %{$options{methods}}) {
- $meta->add_method($method_name, $options{methods}->{$method_name});
+ if (defined $methods) {
+ while(my($method_name, $method_body) = each %{$methods}){
+ $meta->add_method($method_name, $method_body);
}
}
- if (exists $options{roles}){
- Mouse::Util::apply_all_roles($package_name, @{$options{roles}});
+ if (defined $roles){
+ Mouse::Util::apply_all_roles($package_name, @{$roles});
}
- if(!$mortal && exists $meta->{anon_serial_id}){
+ if($cache_key){
$IMMORTALS{$cache_key} = $meta;
}
return if !$serial_id;
- my $stash = $self->namespace;
-
+ # @ISA is a magical variable, so we clear it manually.
@{$self->{superclasses}} = () if exists $self->{superclasses};
- %{$stash} = ();
- delete $METAS{$self->name};
+
+ # Then, clear the symbol table hash
+ %{$self->namespace} = ();
+
+ my $name = $self->name;
+ delete $METAS{$name};
+
+ $name =~ s/ $serial_id \z//xms;
no strict 'refs';
- delete ${$ANON_PREFIX}{ $serial_id . '::' };
+ delete ${$name}{ $serial_id . '::' };
return;
}