use Carp ();
use Scalar::Util qw/blessed weaken/;
-use Mouse::Util qw/get_code_info not_supported load_class/;
+use Mouse::Util qw/:meta get_code_package not_supported load_class/;
-{
- my %METACLASS_CACHE;
-
- # because Mouse doesn't introspect existing classes, we're forced to
- # only pay attention to other Mouse classes
- sub _metaclass_cache {
- my($class, $name) = @_;
- return $METACLASS_CACHE{$name};
- }
- sub initialize {
- my($class, $package_name, @args) = @_;
+my %METACLASS_CACHE;
- ($package_name && !ref($package_name))\r
- || $class->throw_error("You must pass a package name and it cannot be blessed");\r
+# because Mouse doesn't introspect existing classes, we're forced to
+# only pay attention to other Mouse classes
+sub _metaclass_cache {
+ my($class, $name) = @_;
+ return $METACLASS_CACHE{$name};
+}
- return $METACLASS_CACHE{$package_name}
- ||= $class->_new(package => $package_name, @args);
- }
+sub initialize {
+ my($class, $package_name, @args) = @_;
- sub class_of{
- my($class_or_instance) = @_;
- return undef unless defined $class_or_instance;
- return $METACLASS_CACHE{ blessed($class_or_instance) || $class_or_instance };
- }
+ ($package_name && !ref($package_name))
+ || $class->throw_error("You must pass a package name and it cannot be blessed");
- # Means of accessing all the metaclasses that have
- # been initialized thus far
- sub get_all_metaclasses { %METACLASS_CACHE }
- sub get_all_metaclass_instances { values %METACLASS_CACHE }
- sub get_all_metaclass_names { keys %METACLASS_CACHE }
- sub get_metaclass_by_name { $METACLASS_CACHE{$_[0]} }
- sub store_metaclass_by_name { $METACLASS_CACHE{$_[0]} = $_[1] }
- sub weaken_metaclass { weaken($METACLASS_CACHE{$_[0]}) }
- sub does_metaclass_exist { defined $METACLASS_CACHE{$_[0]} }
- sub remove_metaclass_by_name { delete $METACLASS_CACHE{$_[0]} }
+ return $METACLASS_CACHE{$package_name}
+ ||= $class->_construct_meta(package => $package_name, @args);
+}
+sub class_of{
+ my($class_or_instance) = @_;
+ return undef unless defined $class_or_instance;
+ return $METACLASS_CACHE{ blessed($class_or_instance) || $class_or_instance };
}
-sub meta{ Mouse::Meta::Class->initialize(ref $_[0] || $_[0]) }
+# Means of accessing all the metaclasses that have
+# been initialized thus far
+#sub get_all_metaclasses { %METACLASS_CACHE }
+sub get_all_metaclass_instances { values %METACLASS_CACHE }
+sub get_all_metaclass_names { keys %METACLASS_CACHE }
+sub get_metaclass_by_name { $METACLASS_CACHE{$_[0]} }
+#sub store_metaclass_by_name { $METACLASS_CACHE{$_[0]} = $_[1] }
+#sub weaken_metaclass { weaken($METACLASS_CACHE{$_[0]}) }
+#sub does_metaclass_exist { defined $METACLASS_CACHE{$_[0]} }
+#sub remove_metaclass_by_name { delete $METACLASS_CACHE{$_[0]} }
+
-sub _new{ Carp::croak("Mouse::Meta::Module is an abstract class") }
sub name { $_[0]->{package} }
-sub _method_map{ $_[0]->{methods} }
-
-sub version { no strict 'refs'; ${shift->name.'::VERSION'} }
-sub authority { no strict 'refs'; ${shift->name.'::AUTHORITY'} }
-sub identifier {
- my $self = shift;
- return join '-' => (
- $self->name,
- ($self->version || ()),
- ($self->authority || ()),
- );
-}
+
+# The followings are Class::MOP specific methods
+
+#sub version { no strict 'refs'; ${shift->name.'::VERSION'} }
+#sub authority { no strict 'refs'; ${shift->name.'::AUTHORITY'} }
+#sub identifier {
+# my $self = shift;
+# return join '-' => (
+# $self->name,
+# ($self->version || ()),
+# ($self->authority || ()),
+# );
+#}
# add_attribute is an abstract method
my($self, $name, $code) = @_;
if(!defined $name){
- $self->throw_error("You must pass a 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';
}
- $self->_method_map->{$name}++; # Moose stores meta object here.
+ $self->{methods}->{$name}++; # Moose stores meta object here.
my $pkg = $self->name;
no strict 'refs';
*{ $pkg . '::' . $name } = $code;
}
-sub _code_is_mine { # taken from Class::MOP::Class\r
- my ( $self, $code ) = @_;\r
-\r
- my ( $code_package, $code_name ) = get_code_info($code);\r
-\r
- return $code_package && $code_package eq $self->name\r
- || ( $code_package eq 'constant' && $code_name eq '__ANON__' );\r
+# XXX: for backward compatibility
+my %foreign = map{ $_ => undef } qw(
+ Mouse Mouse::Role Mouse::Util Mouse::Util::TypeConstraints
+ Carp Scalar::Util
+);
+sub _code_is_mine{
+ my($self, $code) = @_;
+
+ my $package = get_code_package($code);
+
+ return !exists $foreign{$package};
}
sub has_method {
my($self, $method_name) = @_;
- return 1 if $self->_method_map->{$method_name};
- my $code = $self->name->can($method_name);
+ 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);
}
return undef;
}
-sub get_method_list {\r
+sub get_method_list {
my($self) = @_;
-\r
- return grep { $self->has_method($_) } keys %{ $self->namespace };\r
+
+ return grep { $self->has_method($_) } keys %{ $self->namespace };
}
{
# anonymous but immortal
if(!$mortal){
- # something like Super::Class|Super::Class::2=Role|Role::1\r
- $cache_key = join '=' => (\r
- join('|', @{$options{superclasses} || []}),\r
- join('|', sort @{$options{roles} || []}),\r
+ # something like Super::Class|Super::Class::2=Role|Role::1
+ $cache_key = join '=' => (
+ join('|', @{$options{superclasses} || []}),
+ join('|', sort @{$options{roles} || []}),
);
return $IMMORTALS{$cache_key} if exists $IMMORTALS{$cache_key};
}
)};
my $meta = $class->initialize( $package_name, %initialize_options, @extra_options);
- Mouse::Meta::Module::weaken_metaclass($package_name)
+ weaken $METACLASS_CACHE{$package_name}
if $mortal;
# FIXME totally lame
@{$self->{superclasses}} = () if exists $self->{superclasses};
%{$stash} = ();
- Mouse::Meta::Module::remove_metaclass_by_name($self->name);
+ delete $METACLASS_CACHE{$self->name};
no strict 'refs';
delete ${$ANON_PREFIX}{ $serial_id . '::' };
my($class, $message, %args) = @_;
local $Carp::CarpLevel = $Carp::CarpLevel + 1 + ($args{depth} || 0);
- local $Carp::MaxArgNums = 20; # default is 8, usually we use named args which gets messier though\r
+ local $Carp::MaxArgNums = 20; # default is 8, usually we use named args which gets messier though
if(exists $args{longmess} && !$args{longmess}){ # intentionaly longmess => 0
Carp::croak($message);
=head1 NAME
-Mouse::Meta::Module - Common base class for Mouse::Meta::Class and Mouse::Meta::Role
+Mouse::Meta::Module - The base class for Mouse::Meta::Class and Mouse::Meta::Role
+
+=head1 SEE ALSO
+
+L<Class::MOP::Class>
+
+L<Class::MOP::Module>
+
+L<Class::MOP::Package>
=cut
+
projects / gitmo/Mouse.git / blobdiff