File | /usr/local/lib/perl/5.10.0/Moose/Meta/Role/Application/ToClass.pm |
Statements Executed | 24 |
Total Time | 0.0014302 seconds |
Calls | P | F | Exclusive Time |
Inclusive Time |
Subroutine |
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0 | 0 | 0 | 0s | 0s | BEGIN | Moose::Meta::Role::Application::ToClass::
0 | 0 | 0 | 0s | 0s | apply | Moose::Meta::Role::Application::ToClass::
0 | 0 | 0 | 0s | 0s | apply_attributes | Moose::Meta::Role::Application::ToClass::
0 | 0 | 0 | 0s | 0s | apply_method_modifiers | Moose::Meta::Role::Application::ToClass::
0 | 0 | 0 | 0s | 0s | apply_methods | Moose::Meta::Role::Application::ToClass::
0 | 0 | 0 | 0s | 0s | apply_override_method_modifiers | Moose::Meta::Role::Application::ToClass::
0 | 0 | 0 | 0s | 0s | check_required_attributes | Moose::Meta::Role::Application::ToClass::
0 | 0 | 0 | 0s | 0s | check_required_methods | Moose::Meta::Role::Application::ToClass::
0 | 0 | 0 | 0s | 0s | check_role_exclusions | Moose::Meta::Role::Application::ToClass::
Line | Stmts. | Exclusive Time | Avg. | Code |
---|---|---|---|---|
1 | package Moose::Meta::Role::Application::ToClass; | |||
2 | ||||
3 | 3 | 27µs | 9µs | use strict; # spent 8µs making 1 call to strict::import |
4 | 3 | 28µs | 9µs | use warnings; # spent 23µs making 1 call to warnings::import |
5 | 3 | 45µs | 15µs | use metaclass; # spent 827µs making 1 call to metaclass::import |
6 | ||||
7 | 3 | 56µs | 19µs | use Moose::Util 'english_list'; # spent 309µs making 1 call to Sub::Exporter::__ANON__[/usr/local/share/perl/5.10.0/Sub/Exporter.pm:756] |
8 | 3 | 71µs | 24µs | use Scalar::Util 'weaken', 'blessed'; # spent 44µs making 1 call to Exporter::import |
9 | ||||
10 | 1 | 900ns | 900ns | our $VERSION = '1.15'; |
11 | 1 | 25µs | 25µs | $VERSION = eval $VERSION; |
12 | 1 | 700ns | 700ns | our $AUTHORITY = 'cpan:STEVAN'; |
13 | ||||
14 | 3 | 1.12ms | 375µs | use base 'Moose::Meta::Role::Application'; # spent 64µs making 1 call to base::import |
15 | ||||
16 | 1 | 21µs | 21µs | __PACKAGE__->meta->add_attribute('role' => ( # spent 600µs making 1 call to Class::MOP::Mixin::HasAttributes::add_attribute
# spent 32µs making 1 call to Moose::Meta::Role::Application::ToClass::meta |
17 | reader => 'role', | |||
18 | )); | |||
19 | ||||
20 | 1 | 16µs | 16µs | __PACKAGE__->meta->add_attribute('class' => ( # spent 541µs making 1 call to Class::MOP::Mixin::HasAttributes::add_attribute
# spent 22µs making 1 call to Moose::Meta::Role::Application::ToClass::meta |
21 | reader => 'class', | |||
22 | )); | |||
23 | ||||
24 | sub apply { | |||
25 | my ($self, $role, $class) = @_; | |||
26 | ||||
27 | # We need weak_ref in CMOP :( | |||
28 | weaken($self->{role} = $role); | |||
29 | weaken($self->{class} = $class); | |||
30 | ||||
31 | $self->SUPER::apply($role, $class); | |||
32 | ||||
33 | $class->add_role($role); | |||
34 | $class->add_role_application($self); | |||
35 | } | |||
36 | ||||
37 | sub check_role_exclusions { | |||
38 | my ($self, $role, $class) = @_; | |||
39 | if ($class->excludes_role($role->name)) { | |||
40 | $class->throw_error("Conflict detected: " . $class->name . " excludes role '" . $role->name . "'"); | |||
41 | } | |||
42 | foreach my $excluded_role_name ($role->get_excluded_roles_list) { | |||
43 | if ($class->does_role($excluded_role_name)) { | |||
44 | $class->throw_error("The class " . $class->name . " does the excluded role '$excluded_role_name'"); | |||
45 | } | |||
46 | } | |||
47 | } | |||
48 | ||||
49 | sub check_required_methods { | |||
50 | my ($self, $role, $class) = @_; | |||
51 | ||||
52 | my @missing; | |||
53 | my @is_attr; | |||
54 | ||||
55 | # NOTE: | |||
56 | # we might need to move this down below the | |||
57 | # the attributes so that we can require any | |||
58 | # attribute accessors. However I am thinking | |||
59 | # that maybe those are somehow exempt from | |||
60 | # the require methods stuff. | |||
61 | foreach my $required_method ($role->get_required_method_list) { | |||
62 | my $required_method_name = $required_method->name; | |||
63 | ||||
64 | if (!$class->find_method_by_name($required_method_name)) { | |||
65 | ||||
66 | next if $self->is_aliased_method($required_method_name); | |||
67 | ||||
68 | push @missing, $required_method; | |||
69 | } | |||
70 | } | |||
71 | ||||
72 | return unless @missing; | |||
73 | ||||
74 | my $error = ''; | |||
75 | ||||
76 | @missing = sort { $a->name cmp $b->name } @missing; | |||
77 | my @conflicts = grep { $_->isa('Moose::Meta::Role::Method::Conflicting') } @missing; | |||
78 | ||||
79 | if (@conflicts) { | |||
80 | my $conflict = $conflicts[0]; | |||
81 | my $roles = $conflict->roles_as_english_list; | |||
82 | ||||
83 | my @same_role_conflicts = grep { $_->roles_as_english_list eq $roles } @conflicts; | |||
84 | ||||
85 | if (@same_role_conflicts == 1) { | |||
86 | $error | |||
87 | .= "Due to a method name conflict in roles " | |||
88 | . $roles | |||
89 | . ", the method '" | |||
90 | . $conflict->name | |||
91 | . "' must be implemented or excluded by '" | |||
92 | . $class->name | |||
93 | . q{'}; | |||
94 | } | |||
95 | else { | |||
96 | my $methods | |||
97 | = Moose::Util::english_list( map { q{'} . $_->name . q{'} } @same_role_conflicts ); | |||
98 | ||||
99 | $error | |||
100 | .= "Due to method name conflicts in roles " | |||
101 | . $roles | |||
102 | . ", the methods " | |||
103 | . $methods | |||
104 | . " must be implemented or excluded by '" | |||
105 | . $class->name | |||
106 | . q{'}; | |||
107 | } | |||
108 | } | |||
109 | elsif (@missing) { | |||
110 | my $noun = @missing == 1 ? 'method' : 'methods'; | |||
111 | ||||
112 | my $list | |||
113 | = Moose::Util::english_list( map { q{'} . $_ . q{'} } @missing ); | |||
114 | ||||
115 | $error | |||
116 | .= q{'} | |||
117 | . $role->name | |||
118 | . "' requires the $noun $list " | |||
119 | . "to be implemented by '" | |||
120 | . $class->name . q{'}; | |||
121 | } | |||
122 | ||||
123 | $class->throw_error($error); | |||
124 | } | |||
125 | ||||
126 | sub check_required_attributes { | |||
127 | ||||
128 | } | |||
129 | ||||
130 | sub apply_attributes { | |||
131 | my ($self, $role, $class) = @_; | |||
132 | my $attr_metaclass = $class->attribute_metaclass; | |||
133 | ||||
134 | foreach my $attribute_name ($role->get_attribute_list) { | |||
135 | # it if it has one already | |||
136 | if ($class->has_attribute($attribute_name) && | |||
137 | # make sure we haven't seen this one already too | |||
138 | $class->get_attribute($attribute_name) != $role->get_attribute($attribute_name)) { | |||
139 | next; | |||
140 | } | |||
141 | else { | |||
142 | $class->add_attribute( | |||
143 | $role->get_attribute($attribute_name)->attribute_for_class($attr_metaclass) | |||
144 | ); | |||
145 | } | |||
146 | } | |||
147 | } | |||
148 | ||||
149 | sub apply_methods { | |||
150 | my ( $self, $role, $class ) = @_; | |||
151 | ||||
152 | foreach my $method ( $role->_get_local_methods ) { | |||
153 | my $method_name = $method->name; | |||
154 | ||||
155 | next if $method->isa('Class::MOP::Method::Meta'); | |||
156 | ||||
157 | unless ( $self->is_method_excluded($method_name) ) { | |||
158 | ||||
159 | my $class_method = $class->get_method($method_name); | |||
160 | ||||
161 | next if $class_method && $class_method->body != $method->body; | |||
162 | ||||
163 | $class->add_method( | |||
164 | $method_name, | |||
165 | $method, | |||
166 | ); | |||
167 | } | |||
168 | ||||
169 | next unless $self->is_method_aliased($method_name); | |||
170 | ||||
171 | my $aliased_method_name = $self->get_method_aliases->{$method_name}; | |||
172 | ||||
173 | my $class_method = $class->get_method($aliased_method_name); | |||
174 | ||||
175 | if ( $class_method && $class_method->body != $method->body ) { | |||
176 | $class->throw_error( | |||
177 | "Cannot create a method alias if a local method of the same name exists" | |||
178 | ); | |||
179 | } | |||
180 | ||||
181 | $class->add_method( | |||
182 | $aliased_method_name, | |||
183 | $method, | |||
184 | ); | |||
185 | } | |||
186 | ||||
187 | # we must reset the cache here since | |||
188 | # we are just aliasing methods, otherwise | |||
189 | # the modifiers go wonky. | |||
190 | $class->reset_package_cache_flag; | |||
191 | } | |||
192 | ||||
193 | sub apply_override_method_modifiers { | |||
194 | my ($self, $role, $class) = @_; | |||
195 | foreach my $method_name ($role->get_method_modifier_list('override')) { | |||
196 | # it if it has one already then ... | |||
197 | if ($class->has_method($method_name)) { | |||
198 | next; | |||
199 | } | |||
200 | else { | |||
201 | # if this is not a role, then we need to | |||
202 | # find the original package of the method | |||
203 | # so that we can tell the class were to | |||
204 | # find the right super() method | |||
205 | my $method = $role->get_override_method_modifier($method_name); | |||
206 | my ($package) = Class::MOP::get_code_info($method); | |||
207 | # if it is a class, we just add it | |||
208 | $class->add_override_method_modifier($method_name, $method, $package); | |||
209 | } | |||
210 | } | |||
211 | } | |||
212 | ||||
213 | sub apply_method_modifiers { | |||
214 | my ($self, $modifier_type, $role, $class) = @_; | |||
215 | my $add = "add_${modifier_type}_method_modifier"; | |||
216 | my $get = "get_${modifier_type}_method_modifiers"; | |||
217 | foreach my $method_name ($role->get_method_modifier_list($modifier_type)) { | |||
218 | $class->$add( | |||
219 | $method_name, | |||
220 | $_ | |||
221 | ) foreach $role->$get($method_name); | |||
222 | } | |||
223 | } | |||
224 | ||||
225 | 1 | 15µs | 15µs | 1; |
226 | ||||
227 | __END__ | |||
228 | ||||
229 | =pod | |||
230 | ||||
231 | =head1 NAME | |||
232 | ||||
233 | Moose::Meta::Role::Application::ToClass - Compose a role into a class | |||
234 | ||||
235 | =head1 DESCRIPTION | |||
236 | ||||
237 | =head2 METHODS | |||
238 | ||||
239 | =over 4 | |||
240 | ||||
241 | =item B<new> | |||
242 | ||||
243 | =item B<meta> | |||
244 | ||||
245 | =item B<apply> | |||
246 | ||||
247 | =item B<check_role_exclusions> | |||
248 | ||||
249 | =item B<check_required_methods> | |||
250 | ||||
251 | =item B<check_required_attributes> | |||
252 | ||||
253 | =item B<apply_attributes> | |||
254 | ||||
255 | =item B<apply_methods> | |||
256 | ||||
257 | =item B<apply_method_modifiers> | |||
258 | ||||
259 | =item B<apply_override_method_modifiers> | |||
260 | ||||
261 | =back | |||
262 | ||||
263 | =head1 BUGS | |||
264 | ||||
265 | See L<Moose/BUGS> for details on reporting bugs. | |||
266 | ||||
267 | =head1 AUTHOR | |||
268 | ||||
269 | Stevan Little E<lt>stevan@iinteractive.comE<gt> | |||
270 | ||||
271 | =head1 COPYRIGHT AND LICENSE | |||
272 | ||||
273 | Copyright 2006-2010 by Infinity Interactive, Inc. | |||
274 | ||||
275 | L<http://www.iinteractive.com> | |||
276 | ||||
277 | This library is free software; you can redistribute it and/or modify | |||
278 | it under the same terms as Perl itself. | |||
279 | ||||
280 | =cut | |||
281 |