use List::MoreUtils qw( any all uniq first_index );
use Scalar::Util 'weaken', 'blessed';
-our $VERSION = '1.14';
-$VERSION = eval $VERSION;
our $AUTHORITY = 'cpan:STEVAN';
use Moose::Meta::Method::Overridden;
return $ANON_CLASSES{$cache_key};
}
+ $options{weaken} = !$cache_ok
+ unless exists $options{weaken};
+
my $new_class = $self->SUPER::create_anon_class(%options);
- $ANON_CLASSES{$cache_key} = $new_class
- if $cache_ok;
+ if ($cache_ok) {
+ $ANON_CLASSES{$cache_key} = $new_class;
+ weaken($ANON_CLASSES{$cache_key});
+ }
return $new_class;
}
delete $ANON_CLASSES{$cache_key};
$ANON_CLASSES{$new_cache_key} = $new_meta;
+ weaken($ANON_CLASSES{$new_cache_key});
return $new_meta;
}
return $object;
}
+sub _generate_fallback_constructor {
+ my $self = shift;
+ my ($class) = @_;
+ return $class . '->Moose::Object::new(@_)'
+}
+
+sub _inline_params {
+ my $self = shift;
+ my ($params, $class) = @_;
+ return (
+ 'my ' . $params . ' = ',
+ $self->_inline_BUILDARGS($class, '@_'),
+ ';',
+ );
+}
+
+sub _inline_BUILDARGS {
+ my $self = shift;
+ my ($class, $args) = @_;
+
+ my $buildargs = $self->find_method_by_name("BUILDARGS");
+
+ if ($args eq '@_'
+ && (!$buildargs or $buildargs->body == \&Moose::Object::BUILDARGS)) {
+ return (
+ 'do {',
+ 'my $params;',
+ 'if (scalar @_ == 1) {',
+ 'if (!defined($_[0]) || ref($_[0]) ne \'HASH\') {',
+ $self->_inline_throw_error(
+ '"Single parameters to new() must be a HASH ref"',
+ 'data => $_[0]',
+ ) . ';',
+ '}',
+ '$params = { %{ $_[0] } };',
+ '}',
+ 'elsif (@_ % 2) {',
+ 'Carp::carp(',
+ '"The new() method for ' . $class . ' expects a '
+ . 'hash reference or a key/value list. You passed an '
+ . 'odd number of arguments"',
+ ');',
+ '$params = {@_, undef};',
+ '}',
+ 'else {',
+ '$params = {@_};',
+ '}',
+ '$params;',
+ '}',
+ );
+ }
+ else {
+ return $class . '->BUILDARGS(' . $args . ')';
+ }
+}
+
+sub _inline_slot_initializer {
+ my $self = shift;
+ my ($attr, $idx) = @_;
+
+ return (
+ '## ' . $attr->name,
+ $self->_inline_check_required_attr($attr),
+ $self->SUPER::_inline_slot_initializer(@_),
+ );
+}
+
+sub _inline_check_required_attr {
+ my $self = shift;
+ my ($attr) = @_;
+
+ return unless defined $attr->init_arg;
+ return unless $attr->can('is_required') && $attr->is_required;
+ return if $attr->has_default || $attr->has_builder;
+
+ return (
+ 'if (!exists $params->{\'' . $attr->init_arg . '\'}) {',
+ $self->_inline_throw_error(
+ '"Attribute (' . quotemeta($attr->name) . ') is required"'
+ ) . ';',
+ '}',
+ );
+}
+
+# XXX: these two are duplicated from cmop, because we have to pass the tc stuff
+# through to _inline_set_value - this should probably be fixed, but i'm not
+# quite sure how. -doy
+sub _inline_init_attr_from_constructor {
+ my $self = shift;
+ my ($attr, $idx) = @_;
+
+ my @initial_value = $attr->_inline_set_value(
+ '$instance',
+ '$params->{\'' . $attr->init_arg . '\'}',
+ '$type_constraint_bodies[' . $idx . ']',
+ '$type_constraints[' . $idx . ']',
+ 'for constructor',
+ );
+
+ push @initial_value, (
+ '$attrs->[' . $idx . ']->set_initial_value(',
+ '$instance,',
+ $attr->_inline_instance_get('$instance'),
+ ');',
+ ) if $attr->has_initializer;
+
+ return @initial_value;
+}
+
+sub _inline_init_attr_from_default {
+ my $self = shift;
+ my ($attr, $idx) = @_;
+
+ my $default = $self->_inline_default_value($attr, $idx);
+ return unless $default;
+
+ my @initial_value = (
+ 'my $default = ' . $default . ';',
+ $attr->_inline_set_value(
+ '$instance',
+ '$default',
+ '$type_constraint_bodies[' . $idx . ']',
+ '$type_constraints[' . $idx . ']',
+ 'for constructor',
+ ),
+ );
+
+ push @initial_value, (
+ '$attrs->[' . $idx . ']->set_initial_value(',
+ '$instance,',
+ $attr->_inline_instance_get('$instance'),
+ ');',
+ ) if $attr->has_initializer;
+
+ return @initial_value;
+}
+
+sub _inline_extra_init {
+ my $self = shift;
+ return (
+ $self->_inline_triggers,
+ $self->_inline_BUILDALL,
+ );
+}
+
+sub _inline_triggers {
+ my $self = shift;
+ my @trigger_calls;
+
+ my @attrs = sort { $a->name cmp $b->name } $self->get_all_attributes;
+ for my $i (0 .. $#attrs) {
+ my $attr = $attrs[$i];
+
+ next unless $attr->can('has_trigger') && $attr->has_trigger;
+
+ my $init_arg = $attr->init_arg;
+ next unless defined $init_arg;
+
+ push @trigger_calls,
+ 'if (exists $params->{\'' . $init_arg . '\'}) {',
+ '$attrs->[' . $i . ']->trigger->(',
+ '$instance,',
+ $attr->_inline_instance_get('$instance') . ',',
+ ');',
+ '}';
+ }
+
+ return @trigger_calls;
+}
+
+sub _inline_BUILDALL {
+ my $self = shift;
+
+ my @methods = reverse $self->find_all_methods_by_name('BUILD');
+ my @BUILD_calls;
+
+ foreach my $method (@methods) {
+ push @BUILD_calls,
+ '$instance->' . $method->{class} . '::BUILD($params);';
+ }
+
+ return @BUILD_calls;
+}
+
sub superclasses {
my $self = shift;
my $supers = Data::OptList::mkopt(\@_);
# We need to replace the cached metaclass instance or else when it goes
# out of scope Class::MOP::Class destroy's the namespace for the
# metaclass's class, causing much havoc.
+ my $weaken = Class::MOP::metaclass_is_weak( $self->name );
Class::MOP::store_metaclass_by_name( $self->name, $self );
- Class::MOP::weaken_metaclass( $self->name ) if $self->is_anon_class;
+ Class::MOP::weaken_metaclass( $self->name ) if $weaken;
}
sub _process_attribute {
$self->raise_error($self->create_error(@args));
}
+sub _inline_throw_error {
+ my ( $self, $msg, $args ) = @_;
+ "\$meta->throw_error($msg" . ($args ? ", $args" : "") . ")"; # FIXME makes deparsing *REALLY* hard
+}
+
sub raise_error {
my ( $self, @args ) = @_;
die @args;
1;
+# ABSTRACT: The Moose metaclass
+
__END__
=pod
-=head1 NAME
-
-Moose::Meta::Class - The Moose metaclass
-
=head1 DESCRIPTION
This class is a subclass of L<Class::MOP::Class> that provides
See L<Moose/BUGS> for details on reporting bugs.
-=head1 AUTHOR
-
-Stevan Little E<lt>stevan@iinteractive.comE<gt>
-
-=head1 COPYRIGHT AND LICENSE
-
-Copyright 2006-2010 by Infinity Interactive, Inc.
-
-L<http://www.iinteractive.com>
-
-This library is free software; you can redistribute it and/or modify
-it under the same terms as Perl itself.
-
=cut