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1 | package Moo::HandleMoose; |
2 | |
3 | use strictures 1; |
4 | use Moo::_Utils; |
5 | |
6 | sub import { inject_all() } |
7 | |
8 | sub inject_all { |
9 | require Class::MOP; |
10 | inject_fake_metaclass_for($_) for grep $_ ne 'Moo::Object', keys %Moo::MAKERS; |
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11 | inject_fake_metaclass_for($_) for keys %Moo::Role::INFO; |
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12 | } |
13 | |
14 | sub inject_fake_metaclass_for { |
15 | my ($name) = @_; |
16 | require Class::MOP; |
17 | Class::MOP::store_metaclass_by_name( |
18 | $name, bless({ name => $name }, 'Moo::HandleMoose::FakeMetaClass') |
19 | ); |
20 | } |
21 | |
22 | our %DID_INJECT; |
23 | |
24 | sub inject_real_metaclass_for { |
25 | my ($name) = @_; |
26 | return Class::MOP::get_metaclass_by_name($name) if $DID_INJECT{$name}; |
27 | require Moose; require Moo; require Moo::Role; |
28 | Class::MOP::remove_metaclass_by_name($name); |
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29 | my ($am_role, $meta, $attr_specs) = do { |
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30 | if (my $info = $Moo::Role::INFO{$name}) { |
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31 | (1, Moose::Meta::Role->initialize($name), $info->{attributes}) |
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32 | } else { |
33 | my $specs = Moo->_constructor_maker_for($name)->all_attribute_specs; |
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34 | (0, Moose::Meta::Class->initialize($name), $specs); |
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35 | } |
36 | }; |
37 | my %methods = %{Role::Tiny->_concrete_methods_of($name)}; |
38 | my @attrs; |
39 | { |
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40 | # This local is completely not required for roles but harmless |
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41 | local @{_getstash($name)}{keys %methods}; |
42 | foreach my $name (keys %$attr_specs) { |
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43 | my %spec = %{$attr_specs->{$name}}; |
44 | $spec{is} = 'ro' if $spec{is} eq 'lazy'; |
45 | push @attrs, $meta->add_attribute($name => %spec); |
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46 | } |
47 | } |
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48 | if ($am_role) { |
49 | $meta->add_required_methods(@{$Moo::Role::INFO{$name}{requires}}); |
50 | } else { |
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51 | foreach my $attr (@attrs) { |
52 | foreach my $method (@{$attr->associated_methods}) { |
53 | $method->{body} = $name->can($method->name); |
54 | } |
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55 | } |
56 | } |
57 | $DID_INJECT{$name} = 1; |
58 | $meta; |
59 | } |
60 | |
61 | { |
62 | package Moo::HandleMoose::FakeMetaClass; |
63 | |
64 | sub DESTROY { } |
65 | |
66 | sub AUTOLOAD { |
67 | my ($meth) = (our $AUTOLOAD =~ /([^:]+)$/); |
68 | Moo::HandleMoose::inject_real_metaclass_for((shift)->{name})->$meth(@_) |
69 | } |
70 | sub can { |
71 | Moo::HandleMoose::inject_real_metaclass_for((shift)->{name})->can(@_) |
72 | } |
73 | sub isa { |
74 | Moo::HandleMoose::inject_real_metaclass_for((shift)->{name})->isa(@_) |
75 | } |
76 | } |
77 | |
78 | 1; |