| File | /usr/local/lib/perl/5.10.0/Moose/Meta/Role/Application/ToRole.pm |
| Statements Executed | 19 |
| Total Time | 0.001152 seconds |
| Calls | P | F | Exclusive Time |
Inclusive Time |
Subroutine |
|---|---|---|---|---|---|
| 0 | 0 | 0 | 0s | 0s | Moose::Meta::Role::Application::ToRole::BEGIN |
| 0 | 0 | 0 | 0s | 0s | Moose::Meta::Role::Application::ToRole::apply |
| 0 | 0 | 0 | 0s | 0s | Moose::Meta::Role::Application::ToRole::apply_attributes |
| 0 | 0 | 0 | 0s | 0s | Moose::Meta::Role::Application::ToRole::apply_method_modifiers |
| 0 | 0 | 0 | 0s | 0s | Moose::Meta::Role::Application::ToRole::apply_methods |
| 0 | 0 | 0 | 0s | 0s | Moose::Meta::Role::Application::ToRole::apply_override_method_modifiers |
| 0 | 0 | 0 | 0s | 0s | Moose::Meta::Role::Application::ToRole::check_required_attributes |
| 0 | 0 | 0 | 0s | 0s | Moose::Meta::Role::Application::ToRole::check_required_methods |
| 0 | 0 | 0 | 0s | 0s | Moose::Meta::Role::Application::ToRole::check_role_exclusions |
| Line | Stmts. | Exclusive Time | Avg. | Code |
|---|---|---|---|---|
| 1 | package Moose::Meta::Role::Application::ToRole; | |||
| 2 | ||||
| 3 | 3 | 27µs | 9µs | use strict; # spent 9µs making 1 call to strict::import |
| 4 | 3 | 32µs | 10µs | use warnings; # spent 21µs making 1 call to warnings::import |
| 5 | 3 | 40µs | 13µs | use metaclass; # spent 813µs making 1 call to metaclass::import |
| 6 | ||||
| 7 | 3 | 72µs | 24µs | use Scalar::Util 'blessed'; # spent 46µs making 1 call to Exporter::import |
| 8 | ||||
| 9 | 1 | 800ns | 800ns | our $VERSION = '1.15'; |
| 10 | 1 | 29µs | 29µs | $VERSION = eval $VERSION; |
| 11 | 1 | 600ns | 600ns | our $AUTHORITY = 'cpan:STEVAN'; |
| 12 | ||||
| 13 | 3 | 942µs | 314µs | use base 'Moose::Meta::Role::Application'; # spent 63µs making 1 call to base::import |
| 14 | ||||
| 15 | sub apply { | |||
| 16 | my ($self, $role1, $role2) = @_; | |||
| 17 | $self->SUPER::apply($role1, $role2); | |||
| 18 | $role2->add_role($role1); | |||
| 19 | } | |||
| 20 | ||||
| 21 | sub check_role_exclusions { | |||
| 22 | my ($self, $role1, $role2) = @_; | |||
| 23 | if ( $role2->excludes_role($role1->name) ) { | |||
| 24 | require Moose; | |||
| 25 | Moose->throw_error("Conflict detected: " . $role2->name . " excludes role '" . $role1->name . "'"); | |||
| 26 | } | |||
| 27 | foreach my $excluded_role_name ($role1->get_excluded_roles_list) { | |||
| 28 | if ( $role2->does_role($excluded_role_name) ) { | |||
| 29 | require Moose; | |||
| 30 | Moose->throw_error("The class " . $role2->name . " does the excluded role '$excluded_role_name'"); | |||
| 31 | } | |||
| 32 | $role2->add_excluded_roles($excluded_role_name); | |||
| 33 | } | |||
| 34 | } | |||
| 35 | ||||
| 36 | sub check_required_methods { | |||
| 37 | my ($self, $role1, $role2) = @_; | |||
| 38 | foreach my $required_method ($role1->get_required_method_list) { | |||
| 39 | my $required_method_name = $required_method->name; | |||
| 40 | ||||
| 41 | next if $self->is_aliased_method($required_method_name); | |||
| 42 | ||||
| 43 | $role2->add_required_methods($required_method) | |||
| 44 | unless $role2->find_method_by_name($required_method_name); | |||
| 45 | } | |||
| 46 | } | |||
| 47 | ||||
| 48 | sub check_required_attributes { | |||
| 49 | ||||
| 50 | } | |||
| 51 | ||||
| 52 | sub apply_attributes { | |||
| 53 | my ($self, $role1, $role2) = @_; | |||
| 54 | foreach my $attribute_name ($role1->get_attribute_list) { | |||
| 55 | # it if it has one already | |||
| 56 | if ($role2->has_attribute($attribute_name) && | |||
| 57 | # make sure we haven't seen this one already too | |||
| 58 | $role2->get_attribute($attribute_name) != $role1->get_attribute($attribute_name)) { | |||
| 59 | ||||
| 60 | my $role2_name = $role2->name; | |||
| 61 | ||||
| 62 | require Moose; | |||
| 63 | Moose->throw_error( "Role '" | |||
| 64 | . $role1->name | |||
| 65 | . "' has encountered an attribute conflict" | |||
| 66 | . " while being composed into '$role2_name'." | |||
| 67 | . " This is a fatal error and cannot be disambiguated." | |||
| 68 | . " The conflicting attribute is named '$attribute_name'." ); | |||
| 69 | } | |||
| 70 | else { | |||
| 71 | $role2->add_attribute( | |||
| 72 | $role1->get_attribute($attribute_name)->clone | |||
| 73 | ); | |||
| 74 | } | |||
| 75 | } | |||
| 76 | } | |||
| 77 | ||||
| 78 | sub apply_methods { | |||
| 79 | my ( $self, $role1, $role2 ) = @_; | |||
| 80 | foreach my $method ( $role1->_get_local_methods ) { | |||
| 81 | ||||
| 82 | my $method_name = $method->name; | |||
| 83 | ||||
| 84 | next if $method->isa('Class::MOP::Method::Meta'); | |||
| 85 | ||||
| 86 | unless ( $self->is_method_excluded($method_name) ) { | |||
| 87 | ||||
| 88 | my $role2_method = $role2->get_method($method_name); | |||
| 89 | if ( $role2_method | |||
| 90 | && $role2_method->body != $method->body ) { | |||
| 91 | ||||
| 92 | # method conflicts between roles result in the method becoming | |||
| 93 | # a requirement | |||
| 94 | $role2->add_conflicting_method( | |||
| 95 | name => $method_name, | |||
| 96 | roles => [ $role1->name, $role2->name ], | |||
| 97 | ); | |||
| 98 | } | |||
| 99 | else { | |||
| 100 | $role2->add_method( | |||
| 101 | $method_name, | |||
| 102 | $method, | |||
| 103 | ); | |||
| 104 | } | |||
| 105 | } | |||
| 106 | ||||
| 107 | next unless $self->is_method_aliased($method_name); | |||
| 108 | ||||
| 109 | my $aliased_method_name = $self->get_method_aliases->{$method_name}; | |||
| 110 | ||||
| 111 | my $role2_method = $role2->get_method($aliased_method_name); | |||
| 112 | ||||
| 113 | if ( $role2_method | |||
| 114 | && $role2_method->body != $method->body ) { | |||
| 115 | ||||
| 116 | require Moose; | |||
| 117 | Moose->throw_error( | |||
| 118 | "Cannot create a method alias if a local method of the same name exists" | |||
| 119 | ); | |||
| 120 | } | |||
| 121 | ||||
| 122 | $role2->add_method( | |||
| 123 | $aliased_method_name, | |||
| 124 | $role1->get_method($method_name) | |||
| 125 | ); | |||
| 126 | ||||
| 127 | if ( !$role2->has_method($method_name) ) { | |||
| 128 | $role2->add_required_methods($method_name) | |||
| 129 | unless $self->is_method_excluded($method_name); | |||
| 130 | } | |||
| 131 | } | |||
| 132 | } | |||
| 133 | ||||
| 134 | sub apply_override_method_modifiers { | |||
| 135 | my ($self, $role1, $role2) = @_; | |||
| 136 | foreach my $method_name ($role1->get_method_modifier_list('override')) { | |||
| 137 | # it if it has one already then ... | |||
| 138 | if ($role2->has_method($method_name)) { | |||
| 139 | # if it is being composed into another role | |||
| 140 | # we have a conflict here, because you cannot | |||
| 141 | # combine an overridden method with a locally | |||
| 142 | # defined one | |||
| 143 | require Moose; | |||
| 144 | Moose->throw_error("Role '" . $role1->name . "' has encountered an 'override' method conflict " . | |||
| 145 | "during composition (A local method of the same name as been found). This " . | |||
| 146 | "is fatal error."); | |||
| 147 | } | |||
| 148 | else { | |||
| 149 | # if we are a role, we need to make sure | |||
| 150 | # we dont have a conflict with the role | |||
| 151 | # we are composing into | |||
| 152 | if ($role2->has_override_method_modifier($method_name) && | |||
| 153 | $role2->get_override_method_modifier($method_name) != $role2->get_override_method_modifier($method_name)) { | |||
| 154 | ||||
| 155 | require Moose; | |||
| 156 | Moose->throw_error("Role '" . $role1->name . "' has encountered an 'override' method conflict " . | |||
| 157 | "during composition (Two 'override' methods of the same name encountered). " . | |||
| 158 | "This is fatal error."); | |||
| 159 | } | |||
| 160 | else { | |||
| 161 | # if there is no conflict, | |||
| 162 | # just add it to the role | |||
| 163 | $role2->add_override_method_modifier( | |||
| 164 | $method_name, | |||
| 165 | $role1->get_override_method_modifier($method_name) | |||
| 166 | ); | |||
| 167 | } | |||
| 168 | } | |||
| 169 | } | |||
| 170 | } | |||
| 171 | ||||
| 172 | sub apply_method_modifiers { | |||
| 173 | my ($self, $modifier_type, $role1, $role2) = @_; | |||
| 174 | my $add = "add_${modifier_type}_method_modifier"; | |||
| 175 | my $get = "get_${modifier_type}_method_modifiers"; | |||
| 176 | foreach my $method_name ($role1->get_method_modifier_list($modifier_type)) { | |||
| 177 | $role2->$add( | |||
| 178 | $method_name, | |||
| 179 | $_ | |||
| 180 | ) foreach $role1->$get($method_name); | |||
| 181 | } | |||
| 182 | } | |||
| 183 | ||||
| 184 | ||||
| 185 | 1 | 9µs | 9µs | 1; |
| 186 | ||||
| 187 | __END__ | |||
| 188 | ||||
| 189 | =pod | |||
| 190 | ||||
| 191 | =head1 NAME | |||
| 192 | ||||
| 193 | Moose::Meta::Role::Application::ToRole - Compose a role into another role | |||
| 194 | ||||
| 195 | =head1 DESCRIPTION | |||
| 196 | ||||
| 197 | =head2 METHODS | |||
| 198 | ||||
| 199 | =over 4 | |||
| 200 | ||||
| 201 | =item B<new> | |||
| 202 | ||||
| 203 | =item B<meta> | |||
| 204 | ||||
| 205 | =item B<apply> | |||
| 206 | ||||
| 207 | =item B<check_role_exclusions> | |||
| 208 | ||||
| 209 | =item B<check_required_methods> | |||
| 210 | ||||
| 211 | =item B<check_required_attributes> | |||
| 212 | ||||
| 213 | =item B<apply_attributes> | |||
| 214 | ||||
| 215 | =item B<apply_methods> | |||
| 216 | ||||
| 217 | =item B<apply_method_modifiers> | |||
| 218 | ||||
| 219 | =item B<apply_override_method_modifiers> | |||
| 220 | ||||
| 221 | =back | |||
| 222 | ||||
| 223 | =head1 BUGS | |||
| 224 | ||||
| 225 | See L<Moose/BUGS> for details on reporting bugs. | |||
| 226 | ||||
| 227 | =head1 AUTHOR | |||
| 228 | ||||
| 229 | Stevan Little E<lt>stevan@iinteractive.comE<gt> | |||
| 230 | ||||
| 231 | =head1 COPYRIGHT AND LICENSE | |||
| 232 | ||||
| 233 | Copyright 2006-2010 by Infinity Interactive, Inc. | |||
| 234 | ||||
| 235 | L<http://www.iinteractive.com> | |||
| 236 | ||||
| 237 | This library is free software; you can redistribute it and/or modify | |||
| 238 | it under the same terms as Perl itself. | |||
| 239 | ||||
| 240 | =cut | |||
| 241 |