package Mouse::Meta::Class;
-use strict;
-use warnings;
+use Mouse::Util qw/:meta get_linear_isa not_supported/; # enables strict and warnings
use Scalar::Util qw/blessed weaken/;
-use Mouse::Util qw/:meta get_linear_isa not_supported/;
-
use Mouse::Meta::Method::Constructor;
use Mouse::Meta::Method::Destructor;
use Mouse::Meta::Module;
our @ISA = qw(Mouse::Meta::Module);
-sub method_metaclass(){ 'Mouse::Meta::Method' } # required for get_method()
+sub method_metaclass() { 'Mouse::Meta::Method' }
+sub attribute_metaclass() { 'Mouse::Meta::Attribute' }
+
+sub constructor_class() { 'Mouse::Meta::Method::Constructor' }
+sub destructor_class() { 'Mouse::Meta::Method::Destructor' }
sub _construct_meta {
my($class, %args) = @_;
};
my $self = bless \%args, ref($class) || $class;
- if($class ne __PACKAGE__){
+ if(ref($self) ne __PACKAGE__){
$self->meta->_initialize_object($self, \%args);
}
return $self;
sub roles { $_[0]->{roles} }
+sub calculate_all_roles {
+ my $self = shift;
+ my %seen;
+ return grep { !$seen{ $_->name }++ }
+ map { $_->calculate_all_roles } @{ $self->roles };
+}
+
sub superclasses {
my $self = shift;
if (@_) {
- Mouse::load_class($_) for @_;
+ foreach my $super(@_){
+ Mouse::Util::load_class($super);
+ my $meta = Mouse::Util::get_metaclass_by_name($super);
+ if($meta && $meta->isa('Mouse::Meta::Role')){
+ $self->throw_error("You cannot inherit from a Mouse Role ($super)");
+ }
+ }
@{ $self->{superclasses} } = @_;
}
my($self, $method_name) = @_;
defined($method_name)
or $self->throw_error('You must define a method name to find');
+
foreach my $class( $self->linearized_isa ){
my $method = $self->initialize($class)->get_method($method_name);
return $method if defined $method;
$self->linearized_isa;
}
+sub find_attribute_by_name{
+ my($self, $name) = @_;
+ my $attr;
+ foreach my $class($self->linearized_isa){
+ my $meta = Mouse::Util::get_metaclass_by_name($class) or next;
+ $attr = $meta->get_attribute($name) and last;
+ }
+ return $attr;
+}
+
sub add_attribute {
my $self = shift;
or $self->throw_error('You must provide a name for the attribute');
if ($name =~ s/^\+//) { # inherited attributes
- my $inherited_attr;
-
- foreach my $class($self->linearized_isa){
- my $meta = Mouse::Util::get_metaclass_by_name($class) or next;
- $inherited_attr = $meta->get_attribute($name) and last;
- }
-
- defined($inherited_attr)
+ my $inherited_attr = $self->find_attribute_by_name($name)
or $self->throw_error("Could not find an attribute by the name of '$name' to inherit from in ".$self->name);
- $attr = $inherited_attr->clone_and_inherit_options($name, \%args);
+ $attr = $inherited_attr->clone_and_inherit_options(%args);
}
else{
- my($attribute_class, @traits) = Mouse::Meta::Attribute->interpolate_class($name, \%args);
+ my($attribute_class, @traits) = $self->attribute_metaclass->interpolate_class(\%args);
$args{traits} = \@traits if @traits;
$attr = $attribute_class->new($name, %args);
}
sub compute_all_applicable_attributes {
- Carp::cluck('compute_all_applicable_attributes() has been deprecated');
+ Carp::cluck('compute_all_applicable_attributes() has been deprecated')
+ if _MOUSE_VERBOSE;
return shift->get_all_attributes(@_)
}
my $key = $attribute->name;
if (defined($from) && exists($args->{$from})) {
- $object->{$key} = $attribute->_coerce_and_verify($args->{$from});
+ $object->{$key} = $attribute->_coerce_and_verify($args->{$from}, $object);
weaken($object->{$key})
if ref($object->{$key}) && $attribute->is_weak_ref;
: ref($default) eq 'CODE' ? $object->$default()
: $default;
- # XXX: we cannot use $attribute->set_value() because it invokes triggers.
- $object->{$key} = $attribute->_coerce_and_verify($value, $object);;
+ $object->{$key} = $attribute->_coerce_and_verify($value, $object);
weaken($object->{$key})
if ref($object->{$key}) && $attribute->is_weak_ref;
$self->{is_immutable}++;
if ($args{inline_constructor}) {
- # generate and install
- Mouse::Meta::Method::Constructor->_generate_constructor_method($self, \%args);
+ $self->add_method($args{constructor_name} =>
+ $self->constructor_class->_generate_constructor($self, \%args));
}
if ($args{inline_destructor}) {
- # generate and install
- Mouse::Meta::Method::Destructor->_generate_destructor_method($self, \%args);
+ $self->add_method(DESTROY =>
+ $self->destructor_class->_generate_destructor($self, \%args));
}
# Moose's make_immutable returns true allowing calling code to skip setting an explicit true value
sub is_mutable { !$_[0]->{is_immutable} }
sub _install_modifier_pp{
- my( $self, $into, $type, $name, $code ) = @_;
+ my( $self, $type, $name, $code ) = @_;
+ my $into = $self->name;
my $original = $into->can($name)
or $self->throw_error("The method '$name' is not found in the inheritance hierarchy for class $into");
}
sub _install_modifier {
- my ( $self, $into, $type, $name, $code ) = @_;
+ my ( $self, $type, $name, $code ) = @_;
# load Class::Method::Modifiers first
my $no_cmm_fast = do{
else{
my $install_modifier = Class::Method::Modifiers::Fast->can('_install_modifier');
$impl = sub {
- my ( $self, $into, $type, $name, $code ) = @_;
- $install_modifier->(
- $into,
- $type,
- $name,
- $code
- );
- $self->{methods}{$name}++; # register it to the method map
+ my ( $self, $type, $name, $code ) = @_;
+ my $into = $self->name;
+ $install_modifier->($into, $type, $name, $code);
+
+ $self->add_method($name => do{
+ no strict 'refs';
+ \&{ $into . '::' . $name };
+ });
return;
};
}
*_install_modifier = $impl;
}
- $self->$impl( $into, $type, $name, $code );
+ $self->$impl( $type, $name, $code );
}
sub add_before_method_modifier {
my ( $self, $name, $code ) = @_;
- $self->_install_modifier( $self->name, 'before', $name, $code );
+ $self->_install_modifier( 'before', $name, $code );
}
sub add_around_method_modifier {
my ( $self, $name, $code ) = @_;
- $self->_install_modifier( $self->name, 'around', $name, $code );
+ $self->_install_modifier( 'around', $name, $code );
}
sub add_after_method_modifier {
my ( $self, $name, $code ) = @_;
- $self->_install_modifier( $self->name, 'after', $name, $code );
+ $self->_install_modifier( 'after', $name, $code );
}
sub add_override_method_modifier {
my ($self, $name, $code) = @_;
+ if($self->has_method($name)){
+ $self->throw_error("Cannot add an override method if a local method is already present");
+ }
+
my $package = $self->name;
- my $body = $package->can($name)
+ my $super_body = $package->can($name)
or $self->throw_error("You cannot override '$name' because it has no super method");
- $self->add_method($name => sub { $code->($package, $body, @_) });
+ $self->add_method($name => sub {
+ local $Mouse::SUPER_PACKAGE = $package;
+ local $Mouse::SUPER_BODY = $super_body;
+ local @Mouse::SUPER_ARGS = @_;
+
+ $code->(@_);
+ });
+ return;
+}
+
+sub add_augment_method_modifier {
+ my ($self, $name, $code) = @_;
+ if($self->has_method($name)){
+ $self->throw_error("Cannot add an augment method if a local method is already present");
+ }
+
+ my $super = $self->find_method_by_name($name)
+ or $self->throw_error("You cannot augment '$name' because it has no super method");
+
+ my $super_package = $super->package_name;
+ my $super_body = $super->body;
+
+ $self->add_method($name => sub{
+ local $Mouse::INNER_BODY{$super_package} = $code;
+ local $Mouse::INNER_ARGS{$super_package} = [@_];
+ $super_body->(@_);
+ });
+ return;
}
sub does_role {
|| $self->throw_error("You must supply a role name to look for");
for my $class ($self->linearized_isa) {
- my $meta = Mouse::Util::get_metaclass_by_name($class);
- next unless $meta && $meta->can('roles');
+ my $meta = Mouse::Util::get_metaclass_by_name($class)
+ or next;
for my $role (@{ $meta->roles }) {
}
1;
-
__END__
=head1 NAME
Mouse::Meta::Class - The Mouse class metaclass
+=head1 VERSION
+
+This document describes Mouse version 0.39
+
=head1 METHODS
=head2 C<< initialize(ClassName) -> Mouse::Meta::Class >>