Commit | Line | Data |
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1 | |
2 | package Moose::Meta::Method::Constructor; |
3 | |
4 | use strict; |
5 | use warnings; |
6 | |
0d922627 |
7 | use Carp (); |
3eeaf081 |
8 | use List::MoreUtils 'any'; |
0fa70d03 |
9 | use Scalar::Util 'blessed', 'weaken', 'looks_like_number', 'refaddr'; |
55c361dc |
10 | use Try::Tiny; |
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11 | |
badb7e89 |
12 | use base 'Moose::Meta::Method', |
bc89e9b5 |
13 | 'Class::MOP::Method::Constructor'; |
5cf3dbcf |
14 | |
15 | sub new { |
16 | my $class = shift; |
17 | my %options = @_; |
7a5b07b3 |
18 | |
3e504337 |
19 | my $meta = $options{metaclass}; |
20 | |
21 | (ref $options{options} eq 'HASH') |
a9538ac9 |
22 | || $class->throw_error("You must pass a hash of options", data => $options{options}); |
7a5b07b3 |
23 | |
1b2aea39 |
24 | ($options{package_name} && $options{name}) |
a9538ac9 |
25 | || $class->throw_error("You must supply the package_name and name parameters $Class::MOP::Method::UPGRADE_ERROR_TEXT"); |
1b2aea39 |
26 | |
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27 | my $self = bless { |
d03bd989 |
28 | 'body' => undef, |
e606ae5f |
29 | 'package_name' => $options{package_name}, |
30 | 'name' => $options{name}, |
e606ae5f |
31 | 'options' => $options{options}, |
e606ae5f |
32 | 'associated_metaclass' => $meta, |
0f1a71fc |
33 | 'definition_context' => $options{definition_context}, |
0fa70d03 |
34 | '_expected_method_class' => $options{_expected_method_class} || 'Moose::Object', |
5cf3dbcf |
35 | } => $class; |
36 | |
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37 | # we don't want this creating |
38 | # a cycle in the code, if not |
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39 | # needed |
e606ae5f |
40 | weaken($self->{'associated_metaclass'}); |
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41 | |
f5b0af77 |
42 | $self->_initialize_body; |
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43 | |
7a5b07b3 |
44 | return $self; |
5cf3dbcf |
45 | } |
46 | |
5cf3dbcf |
47 | ## method |
48 | |
f5b0af77 |
49 | sub _initialize_body { |
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50 | my $self = shift; |
e247d17c |
51 | $self->{'body'} = $self->_generate_constructor_method_inline; |
52 | } |
53 | |
54 | sub _eval_environment { |
55 | my $self = shift; |
56 | |
57 | my $attrs = $self->_attributes; |
58 | |
59 | my $defaults = [map { $_->default } @$attrs]; |
3eeaf081 |
60 | my $triggers = [ |
61 | map { $_->can('has_trigger') && $_->has_trigger ? $_->trigger : undef } |
62 | @$attrs |
63 | ]; |
e247d17c |
64 | |
65 | # We need to check if the attribute ->can('type_constraint') |
66 | # since we may be trying to immutabilize a Moose meta class, |
67 | # which in turn has attributes which are Class::MOP::Attribute |
68 | # objects, rather than Moose::Meta::Attribute. And |
69 | # Class::MOP::Attribute attributes have no type constraints. |
70 | # However we need to make sure we leave an undef value there |
71 | # because the inlined code is using the index of the attributes |
72 | # to determine where to find the type constraint |
73 | |
74 | my @type_constraints = map { |
75 | $_->can('type_constraint') ? $_->type_constraint : undef |
76 | } @$attrs; |
77 | |
78 | my @type_constraint_bodies = map { |
79 | defined $_ ? $_->_compiled_type_constraint : undef; |
80 | } @type_constraints; |
81 | |
c40e4359 |
82 | my @type_coercions = map { |
83 | defined $_ && $_->has_coercion |
84 | ? $_->coercion->_compiled_type_coercion |
85 | : undef |
86 | } @type_constraints; |
87 | |
e247d17c |
88 | return { |
89 | '$meta' => \$self, |
3eeaf081 |
90 | ((any { defined && $_->has_initializer } @$attrs) |
91 | ? ('$attrs' => \$attrs) |
92 | : ()), |
e247d17c |
93 | '$defaults' => \$defaults, |
3eeaf081 |
94 | '$triggers' => \$triggers, |
e247d17c |
95 | '@type_constraints' => \@type_constraints, |
c40e4359 |
96 | '@type_coercions' => \@type_coercions, |
e247d17c |
97 | '@type_constraint_bodies' => \@type_constraint_bodies, |
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98 | ( map { defined($_) ? %{ $_->inline_environment } : () } |
99 | @type_constraints ), |
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100 | }; |
101 | } |
102 | |
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103 | 1; |
104 | |
ad46f524 |
105 | # ABSTRACT: Method Meta Object for constructors |
106 | |
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107 | __END__ |
108 | |
109 | =pod |
110 | |
5cf3dbcf |
111 | =head1 DESCRIPTION |
112 | |
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113 | This class is a subclass of L<Class::MOP::Method::Constructor> that |
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114 | provides additional Moose-specific functionality |
115 | |
116 | To understand this class, you should read the the |
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117 | L<Class::MOP::Method::Constructor> documentation as well. |
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118 | |
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119 | =head1 INHERITANCE |
120 | |
121 | C<Moose::Meta::Method::Constructor> is a subclass of |
122 | L<Moose::Meta::Method> I<and> L<Class::MOP::Method::Constructor>. |
123 | |
c5fc2c21 |
124 | =head1 BUGS |
125 | |
126 | See L<Moose/BUGS> for details on reporting bugs. |
127 | |
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128 | =cut |
129 | |