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1 | |
2 | package Class::MOP::Method; |
3 | |
4 | use strict; |
5 | use warnings; |
6 | |
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7 | use Carp 'confess'; |
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8 | use Scalar::Util 'weaken'; |
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9 | |
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10 | our $VERSION = '0.65'; |
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11 | our $AUTHORITY = 'cpan:STEVAN'; |
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12 | |
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13 | use base 'Class::MOP::Object'; |
14 | |
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15 | # NOTE: |
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16 | # if poked in the right way, |
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17 | # they should act like CODE refs. |
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18 | use overload '&{}' => sub { $_[0]->body }, fallback => 1; |
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19 | |
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20 | our $UPGRADE_ERROR_TEXT = q{ |
21 | --------------------------------------------------------- |
22 | NOTE: this error is likely not an error, but a regression |
23 | caused by the latest upgrade to Moose/Class::MOP. Consider |
24 | upgrading any MooseX::* modules to their latest versions |
25 | before spending too much time chasing this one down. |
26 | --------------------------------------------------------- |
27 | }; |
28 | |
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29 | # construction |
30 | |
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31 | sub wrap { |
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32 | my ( $class, @args ) = @_; |
33 | |
34 | unshift @args, 'body' if @args % 2 == 1; |
35 | |
36 | my %params = @args; |
37 | my $code = $params{body}; |
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38 | |
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39 | ('CODE' eq ref($code)) |
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40 | || confess "You must supply a CODE reference to bless, not (" . ($code || 'undef') . ")"; |
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41 | |
b38f3848 |
42 | ($params{package_name} && $params{name}) |
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43 | || confess "You must supply the package_name and name parameters $UPGRADE_ERROR_TEXT"; |
44 | |
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45 | my $self = (ref($class) || $class)->_new(%params); |
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46 | |
47 | weaken($self->{associated_metaclass}) if $self->{associated_metaclass}; |
48 | |
49 | return $self; |
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50 | } |
51 | |
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52 | sub _new { |
53 | my ( $class, %params ) = @_; |
54 | |
55 | my $self = bless { |
56 | 'body' => $params{body}, |
57 | 'associated_metaclass' => $params{associated_metaclass}, |
58 | 'package_name' => $params{package_name}, |
59 | 'name' => $params{name}, |
60 | } => $class; |
61 | } |
62 | |
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63 | ## accessors |
64 | |
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65 | sub body { (shift)->{'body'} } |
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66 | |
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67 | sub associated_metaclass { shift->{'associated_metaclass'} } |
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68 | |
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69 | sub attach_to_class { |
70 | my ( $self, $class ) = @_; |
71 | $self->{associated_metaclass} = $class; |
72 | weaken($self->{associated_metaclass}); |
73 | } |
74 | |
75 | sub detach_from_class { |
76 | my $self = shift; |
77 | delete $self->{associated_metaclass}; |
78 | } |
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79 | |
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80 | sub package_name { |
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81 | my $self = shift; |
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82 | $self->{'package_name'} ||= (Class::MOP::get_code_info($self->body))[0]; |
de19f115 |
83 | } |
84 | |
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85 | sub name { |
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86 | my $self = shift; |
8683db0e |
87 | $self->{'name'} ||= (Class::MOP::get_code_info($self->body))[1]; |
2eb717d5 |
88 | } |
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89 | |
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90 | sub fully_qualified_name { |
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91 | my $code = shift; |
92 | $code->package_name . '::' . $code->name; |
96ceced8 |
93 | } |
94 | |
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95 | # NOTE: |
96 | # the Class::MOP bootstrap |
97 | # will create this for us |
98 | # - SL |
99 | # sub clone { ... } |
100 | |
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101 | 1; |
102 | |
103 | __END__ |
104 | |
105 | =pod |
106 | |
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107 | =head1 NAME |
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108 | |
109 | Class::MOP::Method - Method Meta Object |
110 | |
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111 | =head1 DESCRIPTION |
112 | |
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113 | The Method Protocol is very small, since methods in Perl 5 are just |
114 | subroutines within the particular package. We provide a very basic |
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115 | introspection interface. |
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116 | |
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117 | =head1 METHODS |
118 | |
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119 | =head2 Introspection |
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120 | |
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121 | =over 4 |
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122 | |
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123 | =item B<meta> |
124 | |
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125 | This will return a B<Class::MOP::Class> instance which is related |
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126 | to this class. |
127 | |
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128 | =back |
129 | |
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130 | =head2 Construction |
131 | |
132 | =over 4 |
133 | |
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134 | =item B<wrap ($code, %params)> |
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135 | |
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136 | This is the basic constructor, it returns a B<Class::MOP::Method> |
137 | instance which wraps the given C<$code> reference. You can also |
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138 | set the C<package_name> and C<name> attributes using the C<%params>. |
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139 | If these are not set, then thier accessors will attempt to figure |
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140 | it out using the C<Class::MOP::get_code_info> function. |
141 | |
142 | =item B<clone (%params)> |
143 | |
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144 | This will make a copy of the object, allowing you to override |
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145 | any values by stuffing them in C<%params>. |
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146 | |
de19f115 |
147 | =back |
148 | |
149 | =head2 Informational |
150 | |
151 | =over 4 |
152 | |
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153 | =item B<body> |
154 | |
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155 | This returns the actual CODE reference of the particular instance. |
156 | |
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157 | =item B<name> |
158 | |
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159 | This returns the name of the CODE reference. |
160 | |
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161 | =item B<associated_metaclass> |
162 | |
163 | The metaclass of the method |
164 | |
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165 | =item B<package_name> |
166 | |
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167 | This returns the package name that the CODE reference is attached to. |
168 | |
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169 | =item B<fully_qualified_name> |
170 | |
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171 | This returns the fully qualified name of the CODE reference. |
172 | |
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173 | =back |
174 | |
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175 | =head2 Metaclass |
176 | |
177 | =over 4 |
178 | |
179 | =item B<attach_to_class> |
180 | |
181 | Sets the associated metaclass |
182 | |
183 | =item B<detach_from_class> |
184 | |
185 | Disassociates the method from the metaclass |
186 | |
187 | =back |
188 | |
1a09d9cc |
189 | =head1 AUTHORS |
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190 | |
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191 | Stevan Little E<lt>stevan@iinteractive.comE<gt> |
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192 | |
193 | =head1 COPYRIGHT AND LICENSE |
194 | |
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195 | Copyright 2006-2008 by Infinity Interactive, Inc. |
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196 | |
197 | L<http://www.iinteractive.com> |
198 | |
199 | This library is free software; you can redistribute it and/or modify |
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200 | it under the same terms as Perl itself. |
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201 | |
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202 | =cut |
203 | |