1 package Moo::HandleMoose;
11 sub import { return if $SETUP_DONE; inject_all(); $SETUP_DONE = 1; }
15 inject_fake_metaclass_for($_)
16 for grep $_ ne 'Moo::Object', do { no warnings 'once'; keys %Moo::MAKERS };
17 inject_fake_metaclass_for($_) for keys %Moo::Role::INFO;
18 require Moose::Meta::Method::Constructor;
19 @Moo::HandleMoose::FakeConstructor::ISA = 'Moose::Meta::Method::Constructor';
22 sub maybe_reinject_fake_metaclass_for {
25 if (delete $DID_INJECT{$name}) {
26 inject_fake_metaclass_for($name);
30 sub inject_fake_metaclass_for {
33 Class::MOP::store_metaclass_by_name(
34 $name, bless({ name => $name }, 'Moo::HandleMoose::FakeMetaClass')
39 package Moo::HandleMoose::FakeConstructor;
41 sub _uninlined_body { \&Moose::Object::new }
45 sub inject_real_metaclass_for {
48 return Class::MOP::get_metaclass_by_name($name) if $DID_INJECT{$name};
49 require Moose; require Moo; require Moo::Role;
50 Class::MOP::remove_metaclass_by_name($name);
51 my ($am_role, $meta, $attr_specs, $attr_order) = do {
52 if (my $info = $Moo::Role::INFO{$name}) {
53 my @attr_info = @{$info->{attributes}||[]};
54 (1, Moose::Meta::Role->initialize($name),
56 [ @attr_info[grep !($_ % 2), 0..$#attr_info] ]
59 my $specs = Moo->_constructor_maker_for($name)->all_attribute_specs;
60 (0, Moose::Meta::Class->initialize($name), $specs,
61 [ sort { $specs->{$a}{index} <=> $specs->{$b}{index} } keys %$specs ]
65 my %methods = %{Role::Tiny->_concrete_methods_of($name)};
66 # needed to ensure the method body is stable and get things named
67 Sub::Defer::undefer_sub($_) for grep defined, values %methods;
70 # This local is completely not required for roles but harmless
71 local @{_getstash($name)}{keys %methods};
72 foreach my $name (@$attr_order) {
73 my %spec = %{$attr_specs->{$name}};
75 $spec{is} = 'ro' if $spec{is} eq 'lazy' or $spec{is} eq 'rwp';
76 delete $spec{asserter};
77 if (my $isa = $spec{isa}) {
78 my $tc = $spec{isa} = do {
79 if (my $mapped = $TYPE_MAP{$isa}) {
82 Moose::Meta::TypeConstraint->new(
83 constraint => sub { eval { &$isa; 1 } }
87 if (my $coerce = $spec{coerce}) {
88 $tc->coercion(Moose::Meta::TypeCoercion->new)
89 ->_compiled_type_coercion($coerce);
92 } elsif (my $coerce = $spec{coerce}) {
93 my $attr = perlstring($name);
94 my $tc = Moose::Meta::TypeConstraint->new(
95 constraint => sub { die "This is not going to work" },
97 'my $r = $_[42]{'.$attr.'}; $_[42]{'.$attr.'} = 1; $r'
100 $tc->coercion(Moose::Meta::TypeCoercion->new)
101 ->_compiled_type_coercion($coerce);
105 push @attrs, $meta->add_attribute($name => %spec);
109 my $info = $Moo::Role::INFO{$name};
110 $meta->add_required_methods(@{$info->{requires}});
111 foreach my $modifier (@{$info->{modifiers}}) {
112 my ($type, @args) = @$modifier;
113 $meta->${\"add_${type}_method_modifier"}(@args);
116 foreach my $attr (@attrs) {
117 foreach my $method (@{$attr->associated_methods}) {
118 $method->{body} = $name->can($method->name);
122 $meta->find_method_by_name('new'),
123 'Moo::HandleMoose::FakeConstructor',
126 $meta->add_role(Class::MOP::class_of($_))
127 for grep !/\|/ && $_ ne $name, # reject Foo|Bar and same-role-as-self
128 do { no warnings 'once'; keys %{$Role::Tiny::APPLIED_TO{$name}} };
129 $DID_INJECT{$name} = 1;
134 package Moo::HandleMoose::FakeMetaClass;
139 my ($meth) = (our $AUTOLOAD =~ /([^:]+)$/);
140 Moo::HandleMoose::inject_real_metaclass_for((shift)->{name})->$meth(@_)
143 Moo::HandleMoose::inject_real_metaclass_for((shift)->{name})->can(@_)
146 Moo::HandleMoose::inject_real_metaclass_for((shift)->{name})->isa(@_)