}
sub resolve_metatrait_alias {
- resolve_metaclass_alias( @_, trait => 1 );
+ my ( $type, $metaclass_name ) = @_;
+
+ return resolve_metaclass_alias( @_, trait => 1 );
}
-sub resolve_metaclass_alias {
- my ( $type, $metaclass_name, %options ) = @_;
+{
+ my %cache;
+
+ sub resolve_metaclass_alias {
+ my ( $type, $metaclass_name, %options ) = @_;
+
+ my $cache_key = $type . q{ } . ( $options{trait} ? '-Trait' : '' );
+ return $cache{$cache_key}{$metaclass_name}
+ if $cache{$cache_key}{$metaclass_name};
- if ( my $resolved = eval {
- my $possible_full_name = 'Moose::Meta::' . $type . '::Custom::' . ( $options{trait} ? "Trait::" : "" ) . $metaclass_name;
+ my $possible_full_name
+ = 'Moose::Meta::'
+ . $type
+ . '::Custom::'
+ . ( $options{trait} ? "Trait::" : "" )
+ . $metaclass_name;
- Class::MOP::load_class($possible_full_name);
+ my $loaded_class = Class::MOP::load_first_existing_class(
+ $possible_full_name,
+ $metaclass_name
+ );
- $possible_full_name->can('register_implementation')
- ? $possible_full_name->register_implementation
- : $possible_full_name;
- } ) {
- return $resolved;
- } else {
- Class::MOP::load_class($metaclass_name);
- return $metaclass_name;
+ return $cache{$cache_key}{$metaclass_name}
+ = $loaded_class->can('register_implementation')
+ ? $loaded_class->register_implementation
+ : $loaded_class;
}
}