'does',
'handles',
'init_arg',
+ 'insertion_order',
'is',
'isa',
'lazy',
# Moose defines, but Mouse doesn't
#'definition_context',
#'initializer',
- #'insertion_order',
# special case for AttributeHelpers
'provides',
my $args = $class->Mouse::Object::BUILDARGS(@_);
- # XXX: for backward compatibility (with method modifiers)
- if($class->can('canonicalize_args') != \&canonicalize_args){
- %{$args} = $class->canonicalize_args($name, %{$args});
- }
-
$class->_process_options($name, $args);
$args->{name} = $name;
}
my $self = bless $args, $class;
-
- # extra attributes
if($class ne __PACKAGE__){
$class->meta->_initialize_object($self, $args);
}
-
return $self;
}
-sub has_read_method { $_[0]->has_reader || $_[0]->has_accessor }
-sub has_write_method { $_[0]->has_writer || $_[0]->has_accessor }
+sub has_read_method { $_[0]->has_reader || $_[0]->has_accessor }
+sub has_write_method { $_[0]->has_writer || $_[0]->has_accessor }
+
+sub get_read_method { $_[0]->reader || $_[0]->accessor }
+sub get_write_method { $_[0]->writer || $_[0]->accessor }
+
+sub get_read_method_ref{
+ my($self) = @_;
+ return $self->{_read_method_ref}
+ ||= $self->_get_accessor_method_ref('get_read_method', '_generate_reader');
+}
-sub _create_args { # DEPRECATED
- $_[0]->{_create_args} = $_[1] if @_ > 1;
- $_[0]->{_create_args}
+sub get_write_method_ref{
+ my($self) = @_;
+ return $self->{_write_method_ref}
+ ||= $self->_get_accessor_method_ref('get_write_method', '_generate_writer');
}
sub interpolate_class{
return( $class, @traits );
}
-sub canonicalize_args{ # DEPRECATED
- #my($self, $name, %args) = @_;
- my($self, undef, %args) = @_;
-
- Carp::cluck("$self->canonicalize_args has been deprecated."
- . "Use \$self->_process_options instead.");
-
- return %args;
-}
-
-sub create { # DEPRECATED
- #my($self, $class, $name, %args) = @_;
- my($self) = @_;
-
- Carp::cluck("$self->create has been deprecated."
- . "Use \$meta->add_attribute and \$attr->install_accessors instead.");
-
- # noop
- return $self;
-}
-
sub _coerce_and_verify {
#my($self, $value, $instance) = @_;
my($self, $value) = @_;
);
}
+sub illegal_options_for_inheritance {
+ return qw(reader writer accessor clearer predicate);
+}
+
sub clone_and_inherit_options{
my $self = shift;
my $args = $self->Mouse::Object::BUILDARGS(@_);
- my($attribute_class, @traits) = ref($self)->interpolate_class($args);
+ foreach my $illegal($self->illegal_options_for_inheritance) {
+ if(exists $args->{$illegal} and exists $self->{$illegal}) {
+ $self->throw_error("Illegal inherited option: $illegal");
+ }
+ }
- $args->{traits} = \@traits if @traits;
- # do not inherit the 'handles' attribute
foreach my $name(keys %{$self}){
- if(!exists $args->{$name} && $name ne 'handles'){
- $args->{$name} = $self->{$name};
+ if(!exists $args->{$name}){
+ $args->{$name} = $self->{$name}; # inherit from self
}
}
+ my($attribute_class, @traits) = ref($self)->interpolate_class($args);
+ $args->{traits} = \@traits if @traits;
+
# remove temporary caches
foreach my $attr(keys %{$args}){
if($attr =~ /\A _/xms){
}
}
- return $attribute_class->new($self->name, $args);
-}
-
-sub clone_parent { # DEPRECATED
- my $self = shift;
- my $class = shift;
- my $name = shift;
- my %args = ($self->get_parent_args($class, $name), @_);
-
- Carp::cluck("$self->clone_parent has been deprecated."
- . "Use \$meta->add_attribute and \$attr->install_accessors instead.");
-
- $self->clone_and_inherited_args($class, $name, %args);
-}
-
-sub get_parent_args { # DEPRECATED
- my $self = shift;
- my $class = shift;
- my $name = shift;
-
- for my $super ($class->linearized_isa) {
- my $super_attr = $super->can("meta") && $super->meta->get_attribute($name)
- or next;
- return %{ $super_attr->_create_args };
+ # remove default if lazy_build => 1
+ if($args->{lazy_build}) {
+ delete $args->{default};
}
- $self->throw_error("Could not find an attribute by the name of '$name' to inherit from");
+ return $attribute_class->new($self->name, $args);
}
-sub get_read_method {
- return $_[0]->reader || $_[0]->accessor
-}
-sub get_write_method {
- return $_[0]->writer || $_[0]->accessor
-}
-
sub _get_accessor_method_ref {
my($self, $type, $generator) = @_;
}
}
-sub get_read_method_ref{
- my($self) = @_;
- return $self->{_read_method_ref} ||= $self->_get_accessor_method_ref('get_read_method', '_generate_reader');
-}
-
-sub get_write_method_ref{
- my($self) = @_;
- return $self->{_write_method_ref} ||= $self->_get_accessor_method_ref('get_write_method', '_generate_writer');
-}
-
sub set_value {
my($self, $object, $value) = @_;
return $self->get_write_method_ref()->($object, $value);
return $accessor_ref->($object);
}
-
sub associate_method{
#my($attribute, $method_name) = @_;
my($attribute) = @_;
my %handles = $attribute->_canonicalize_handles($attribute->{handles});
while(my($handle, $method_to_call) = each %handles){
+ if($metaclass->has_method($handle)) {
+ $attribute->throw_error("You cannot overwrite a locally defined method ($handle) with a delegation");
+ }
+
$metaclass->add_method($handle =>
$attribute->_make_delegation_method(
$handle, $method_to_call));
}
}
- if($attribute->can('create') != \&create){
- # backword compatibility
- $attribute->create($metaclass, $attribute->name, %{$attribute});
- }
-
return;
}
->_generate_delegation($self, $handle, $method_to_call);
}
-sub throw_error{
- my $self = shift;
-
- my $metaclass = (ref $self && $self->associated_class) || 'Mouse::Meta::Class';
- $metaclass->throw_error(@_, depth => 1);
-}
-
1;
__END__
=head1 VERSION
-This document describes Mouse version 0.63
+This document describes Mouse version 0.70
+
+=head1 DESCRIPTION
+
+This is a meta object protocol for Mouse attributes,
+which is a subset of Moose::Meta::Attribute.
=head1 METHODS