-#!/usr/bin/env perl
package Mouse::Meta::Class;
use strict;
use warnings;
use Mouse::Meta::Method::Constructor;
use Mouse::Meta::Method::Destructor;
-use Mouse::Util qw/get_linear_isa blessed/;
+use Scalar::Util qw/blessed/;
+use Mouse::Util qw/get_linear_isa/;
use Carp 'confess';
do {
my $pkg = $self->name;
no strict 'refs';
+ no warnings 'redefine';
+ $self->{'methods'}->{$name}++; # Moose stores meta object here.
*{ $pkg . '::' . $name } = $code;
}
# copied from Class::Inspector
-sub get_method_list {
+my $get_methods_for_class = sub {
my $self = shift;
- my $name = $self->name;
+ my $name = shift;
no strict 'refs';
# Get all the CODE symbol table entries
- my @functions = grep !/^meta$/,
- grep { /\A[^\W\d]\w*\z/o }
+ my @functions =
+ grep !/^(?:has|with|around|before|after|blessed|extends|confess|override|super)$/,
grep { defined &{"${name}::$_"} }
keys %{"${name}::"};
+ push @functions, keys %{$self->{'methods'}->{$name}} if $self;
wantarray ? @functions : \@functions;
+};
+
+sub get_method_list {
+ my $self = shift;
+ $get_methods_for_class->($self, $self->name);
+}
+
+sub get_all_method_names {
+ my $self = shift;
+ my %uniq;
+ return grep { $uniq{$_}++ == 0 }
+ map { $get_methods_for_class->(undef, $_) }
+ $self->linearized_isa;
}
sub add_attribute {
sub make_immutable {
my $self = shift;
+ my %args = (
+ inline_constructor => 1,
+ @_,
+ );
+
my $name = $self->name;
$self->{is_immutable}++;
- no strict 'refs';
- *{"$name\::new"} = Mouse::Meta::Method::Constructor->generate_constructor_method_inline( $self );
- *{"$name\::DESTROY"} = Mouse::Meta::Method::Destructor->generate_destructor_method_inline( $self );
-}
-sub make_mutable {
- Carp::croak "Mouse::Meta::Class->make_mutable does not supported by Mouse";
+
+ if ($args{inline_constructor}) {
+ $self->add_method('new' => Mouse::Meta::Method::Constructor->generate_constructor_method_inline( $self ));
+ }
+
+ if ($args{inline_destructor}) {
+ $self->add_method('DESTROY' => Mouse::Meta::Method::Destructor->generate_destructor_method_inline( $self ));
+ }
+
+ # Moose's make_immutable returns true allowing calling code to skip setting an explicit true value
+ # at the end of a source file.
+ return 1;
}
+
+sub make_mutable { confess "Mouse does not currently support 'make_mutable'" }
+
sub is_immutable { $_[0]->{is_immutable} }
sub attribute_metaclass { "Mouse::Meta::Class" }
+sub _install_modifier {
+ my ( $self, $into, $type, $name, $code ) = @_;
+ if (eval "require Class::Method::Modifiers::Fast; 1") {
+ Class::Method::Modifiers::Fast::_install_modifier(
+ $into,
+ $type,
+ $name,
+ $code
+ );
+ }
+ elsif (eval "require Class::Method::Modifiers; 1") {
+ Class::Method::Modifiers::_install_modifier(
+ $into,
+ $type,
+ $name,
+ $code
+ );
+ }
+ else {
+ Carp::croak("Method modifiers require the use of Class::Method::Modifiers. Please install it from CPAN and file a bug report with this application.");
+ }
+}
+
sub add_before_method_modifier {
- my ($self, $name, $code) = @_;
- require Class::Method::Modifiers;
- Class::Method::Modifiers::_install_modifier(
- $self->name,
- 'before',
- $name,
- $code,
- );
+ my ( $self, $name, $code ) = @_;
+ $self->_install_modifier( $self->name, 'before', $name, $code );
}
sub add_around_method_modifier {
- my ($self, $name, $code) = @_;
- require Class::Method::Modifiers;
- Class::Method::Modifiers::_install_modifier(
- $self->name,
- 'around',
- $name,
- $code,
- );
+ my ( $self, $name, $code ) = @_;
+ $self->_install_modifier( $self->name, 'around', $name, $code );
}
sub add_after_method_modifier {
- my ($self, $name, $code) = @_;
- require Class::Method::Modifiers;
- Class::Method::Modifiers::_install_modifier(
- $self->name,
- 'after',
- $name,
- $code,
- );
+ my ( $self, $name, $code ) = @_;
+ $self->_install_modifier( $self->name, 'after', $name, $code );
}
sub roles { $_[0]->{roles} }
sub does_role {
my ($self, $role_name) = @_;
+
(defined $role_name)
|| confess "You must supply a role name to look for";
+
for my $role (@{ $self->{roles} }) {
return 1 if $role->name eq $role_name;
}
+
return 0;
}
+sub create {
+ my ($self, $package_name, %options) = @_;
+
+ (ref $options{superclasses} eq 'ARRAY')
+ || confess "You must pass an ARRAY ref of superclasses"
+ if exists $options{superclasses};
+
+ (ref $options{attributes} eq 'ARRAY')
+ || confess "You must pass an ARRAY ref of attributes"
+ if exists $options{attributes};
+
+ (ref $options{methods} eq 'HASH')
+ || confess "You must pass a HASH ref of methods"
+ if exists $options{methods};
+
+ do {
+ ( defined $package_name && $package_name )
+ || confess "You must pass a package name";
+
+ my $code = "package $package_name;";
+ $code .= "\$$package_name\:\:VERSION = '" . $options{version} . "';"
+ if exists $options{version};
+ $code .= "\$$package_name\:\:AUTHORITY = '" . $options{authority} . "';"
+ if exists $options{authority};
+
+ eval $code;
+ confess "creation of $package_name failed : $@" if $@;
+ };
+
+ my %initialize_options = %options;
+ delete @initialize_options{qw(
+ package
+ superclasses
+ attributes
+ methods
+ version
+ authority
+ )};
+ my $meta = $self->initialize( $package_name => %initialize_options );
+
+ # FIXME totally lame
+ $meta->add_method('meta' => sub {
+ $self->initialize(ref($_[0]) || $_[0]);
+ });
+
+ $meta->superclasses(@{$options{superclasses}})
+ if exists $options{superclasses};
+ # NOTE:
+ # process attributes first, so that they can
+ # install accessors, but locally defined methods
+ # can then overwrite them. It is maybe a little odd, but
+ # I think this should be the order of things.
+ if (exists $options{attributes}) {
+ foreach my $attr (@{$options{attributes}}) {
+ Mouse::Meta::Attribute->create($meta, $attr->{name}, %$attr);
+ }
+ }
+ if (exists $options{methods}) {
+ foreach my $method_name (keys %{$options{methods}}) {
+ $meta->add_method($method_name, $options{methods}->{$method_name});
+ }
+ }
+ return $meta;
+}
+
+{
+ my $ANON_CLASS_SERIAL = 0;
+ my $ANON_CLASS_PREFIX = 'Mouse::Meta::Class::__ANON__::SERIAL::';
+ sub create_anon_class {
+ my ( $class, %options ) = @_;
+ my $package_name = $ANON_CLASS_PREFIX . ++$ANON_CLASS_SERIAL;
+ return $class->create( $package_name, %options );
+ }
+}
+
1;
__END__
Returns a mapping of attribute names to their corresponding
L<Mouse::Meta::Attribute> objects.
-=head2 has_attribute Name -> Boool
+=head2 has_attribute Name -> Bool
Returns whether we have a L<Mouse::Meta::Attribute> with the given name.