| File | /usr/local/lib/perl/5.10.0/Moose/Meta/Role/Application/RoleSummation.pm |
| Statements Executed | 23 |
| Total Time | 0.0019911 seconds |
| Calls | P | F | Exclusive Time |
Inclusive Time |
Subroutine |
|---|---|---|---|---|---|
| 0 | 0 | 0 | 0s | 0s | Moose::Meta::Role::Application::RoleSummation::BEGIN |
| 0 | 0 | 0 | 0s | 0s | Moose::Meta::Role::Application::RoleSummation::__ANON__[:19] |
| 0 | 0 | 0 | 0s | 0s | Moose::Meta::Role::Application::RoleSummation::apply_attributes |
| 0 | 0 | 0 | 0s | 0s | Moose::Meta::Role::Application::RoleSummation::apply_method_modifiers |
| 0 | 0 | 0 | 0s | 0s | Moose::Meta::Role::Application::RoleSummation::apply_methods |
| 0 | 0 | 0 | 0s | 0s | Moose::Meta::Role::Application::RoleSummation::apply_override_method_modifiers |
| 0 | 0 | 0 | 0s | 0s | Moose::Meta::Role::Application::RoleSummation::check_required_attributes |
| 0 | 0 | 0 | 0s | 0s | Moose::Meta::Role::Application::RoleSummation::check_required_methods |
| 0 | 0 | 0 | 0s | 0s | Moose::Meta::Role::Application::RoleSummation::check_role_exclusions |
| 0 | 0 | 0 | 0s | 0s | Moose::Meta::Role::Application::RoleSummation::get_exclusions_for_role |
| 0 | 0 | 0 | 0s | 0s | Moose::Meta::Role::Application::RoleSummation::get_method_aliases_for_role |
| 0 | 0 | 0 | 0s | 0s | Moose::Meta::Role::Application::RoleSummation::is_aliased_method |
| 0 | 0 | 0 | 0s | 0s | Moose::Meta::Role::Application::RoleSummation::is_method_aliased |
| 0 | 0 | 0 | 0s | 0s | Moose::Meta::Role::Application::RoleSummation::is_method_excluded |
| Line | Stmts. | Exclusive Time | Avg. | Code |
|---|---|---|---|---|
| 1 | package Moose::Meta::Role::Application::RoleSummation; | |||
| 2 | ||||
| 3 | 3 | 25µs | 8µs | use strict; # spent 8µs making 1 call to strict::import |
| 4 | 3 | 34µs | 11µs | use warnings; # spent 22µs making 1 call to warnings::import |
| 5 | 3 | 54µs | 18µs | use metaclass; # spent 830µs making 1 call to metaclass::import |
| 6 | ||||
| 7 | 3 | 32µs | 11µs | use Scalar::Util 'blessed'; # spent 44µs making 1 call to Exporter::import |
| 8 | ||||
| 9 | 3 | 73µs | 24µs | use Moose::Meta::Role::Composite; # spent 4µs making 1 call to import |
| 10 | ||||
| 11 | 1 | 900ns | 900ns | our $VERSION = '1.15'; |
| 12 | 1 | 25µs | 25µs | $VERSION = eval $VERSION; |
| 13 | 1 | 600ns | 600ns | our $AUTHORITY = 'cpan:STEVAN'; |
| 14 | ||||
| 15 | 3 | 1.72ms | 573µs | use base 'Moose::Meta::Role::Application'; # spent 75µs making 1 call to base::import |
| 16 | ||||
| 17 | __PACKAGE__->meta->add_attribute('role_params' => ( | |||
| 18 | reader => 'role_params', | |||
| 19 | default => sub { {} } | |||
| 20 | 1 | 19µs | 19µs | )); # spent 638µs making 1 call to Class::MOP::Mixin::HasAttributes::add_attribute
# spent 34µs making 1 call to Moose::Meta::Role::Application::RoleSummation::meta |
| 21 | ||||
| 22 | sub get_exclusions_for_role { | |||
| 23 | my ($self, $role) = @_; | |||
| 24 | $role = $role->name if blessed $role; | |||
| 25 | my $excludes_key = exists $self->role_params->{$role}->{'-excludes'} ? | |||
| 26 | '-excludes' : 'excludes'; | |||
| 27 | if ($self->role_params->{$role} && defined $self->role_params->{$role}->{$excludes_key}) { | |||
| 28 | if (ref $self->role_params->{$role}->{$excludes_key} eq 'ARRAY') { | |||
| 29 | return $self->role_params->{$role}->{$excludes_key}; | |||
| 30 | } | |||
| 31 | return [ $self->role_params->{$role}->{$excludes_key} ]; | |||
| 32 | } | |||
| 33 | return []; | |||
| 34 | } | |||
| 35 | ||||
| 36 | sub get_method_aliases_for_role { | |||
| 37 | my ($self, $role) = @_; | |||
| 38 | $role = $role->name if blessed $role; | |||
| 39 | my $alias_key = exists $self->role_params->{$role}->{'-alias'} ? | |||
| 40 | '-alias' : 'alias'; | |||
| 41 | if ($self->role_params->{$role} && defined $self->role_params->{$role}->{$alias_key}) { | |||
| 42 | return $self->role_params->{$role}->{$alias_key}; | |||
| 43 | } | |||
| 44 | return {}; | |||
| 45 | } | |||
| 46 | ||||
| 47 | sub is_method_excluded { | |||
| 48 | my ($self, $role, $method_name) = @_; | |||
| 49 | foreach ($self->get_exclusions_for_role($role->name)) { | |||
| 50 | return 1 if $_ eq $method_name; | |||
| 51 | } | |||
| 52 | return 0; | |||
| 53 | } | |||
| 54 | ||||
| 55 | sub is_method_aliased { | |||
| 56 | my ($self, $role, $method_name) = @_; | |||
| 57 | exists $self->get_method_aliases_for_role($role->name)->{$method_name} ? 1 : 0 | |||
| 58 | } | |||
| 59 | ||||
| 60 | sub is_aliased_method { | |||
| 61 | my ($self, $role, $method_name) = @_; | |||
| 62 | my %aliased_names = reverse %{$self->get_method_aliases_for_role($role->name)}; | |||
| 63 | exists $aliased_names{$method_name} ? 1 : 0; | |||
| 64 | } | |||
| 65 | ||||
| 66 | sub check_role_exclusions { | |||
| 67 | my ($self, $c) = @_; | |||
| 68 | ||||
| 69 | my %excluded_roles; | |||
| 70 | for my $role (@{ $c->get_roles }) { | |||
| 71 | my $name = $role->name; | |||
| 72 | ||||
| 73 | for my $excluded ($role->get_excluded_roles_list) { | |||
| 74 | push @{ $excluded_roles{$excluded} }, $name; | |||
| 75 | } | |||
| 76 | } | |||
| 77 | ||||
| 78 | foreach my $role (@{$c->get_roles}) { | |||
| 79 | foreach my $excluded (keys %excluded_roles) { | |||
| 80 | next unless $role->does_role($excluded); | |||
| 81 | ||||
| 82 | my @excluding = @{ $excluded_roles{$excluded} }; | |||
| 83 | ||||
| 84 | require Moose; | |||
| 85 | Moose->throw_error(sprintf "Conflict detected: Role%s %s exclude%s role '%s'", (@excluding == 1 ? '' : 's'), join(', ', @excluding), (@excluding == 1 ? 's' : ''), $excluded); | |||
| 86 | } | |||
| 87 | } | |||
| 88 | ||||
| 89 | $c->add_excluded_roles(keys %excluded_roles); | |||
| 90 | } | |||
| 91 | ||||
| 92 | sub check_required_methods { | |||
| 93 | my ($self, $c) = @_; | |||
| 94 | ||||
| 95 | my %all_required_methods = | |||
| 96 | map { $_->name => $_ } | |||
| 97 | map { $_->get_required_method_list } | |||
| 98 | @{$c->get_roles}; | |||
| 99 | ||||
| 100 | foreach my $role (@{$c->get_roles}) { | |||
| 101 | foreach my $required (keys %all_required_methods) { | |||
| 102 | ||||
| 103 | delete $all_required_methods{$required} | |||
| 104 | if $role->has_method($required) | |||
| 105 | || $self->is_aliased_method($role, $required); | |||
| 106 | } | |||
| 107 | } | |||
| 108 | ||||
| 109 | $c->add_required_methods(values %all_required_methods); | |||
| 110 | } | |||
| 111 | ||||
| 112 | sub check_required_attributes { | |||
| 113 | ||||
| 114 | } | |||
| 115 | ||||
| 116 | sub apply_attributes { | |||
| 117 | my ($self, $c) = @_; | |||
| 118 | ||||
| 119 | my @all_attributes; | |||
| 120 | ||||
| 121 | for my $role ( @{ $c->get_roles } ) { | |||
| 122 | push @all_attributes, | |||
| 123 | map { $role->get_attribute($_) } $role->get_attribute_list; | |||
| 124 | } | |||
| 125 | ||||
| 126 | my %seen; | |||
| 127 | foreach my $attr (@all_attributes) { | |||
| 128 | my $name = $attr->name; | |||
| 129 | ||||
| 130 | if ( exists $seen{$name} ) { | |||
| 131 | next if $seen{$name}->is_same_as($attr); | |||
| 132 | ||||
| 133 | my $role1 = $seen{$name}->associated_role->name; | |||
| 134 | my $role2 = $attr->associated_role->name; | |||
| 135 | ||||
| 136 | require Moose; | |||
| 137 | Moose->throw_error( | |||
| 138 | "We have encountered an attribute conflict with '$name' " | |||
| 139 | . "during role composition. " | |||
| 140 | . " This attribute is defined in both $role1 and $role2." | |||
| 141 | . " This is fatal error and cannot be disambiguated." ); | |||
| 142 | } | |||
| 143 | ||||
| 144 | $seen{$name} = $attr; | |||
| 145 | } | |||
| 146 | ||||
| 147 | foreach my $attr (@all_attributes) { | |||
| 148 | $c->add_attribute( $attr->clone ); | |||
| 149 | } | |||
| 150 | } | |||
| 151 | ||||
| 152 | sub apply_methods { | |||
| 153 | my ($self, $c) = @_; | |||
| 154 | ||||
| 155 | my @all_methods = map { | |||
| 156 | my $role = $_; | |||
| 157 | my $aliases = $self->get_method_aliases_for_role($role); | |||
| 158 | my %excludes = map { $_ => undef } @{ $self->get_exclusions_for_role($role) }; | |||
| 159 | ( | |||
| 160 | (map { | |||
| 161 | exists $excludes{$_} ? () : | |||
| 162 | +{ | |||
| 163 | role => $role, | |||
| 164 | name => $_, | |||
| 165 | method => $role->get_method($_), | |||
| 166 | } | |||
| 167 | } map { $_->name } | |||
| 168 | grep { !$_->isa('Class::MOP::Method::Meta') } | |||
| 169 | $role->_get_local_methods), | |||
| 170 | (map { | |||
| 171 | +{ | |||
| 172 | role => $role, | |||
| 173 | name => $aliases->{$_}, | |||
| 174 | method => $role->get_method($_), | |||
| 175 | } | |||
| 176 | } keys %$aliases) | |||
| 177 | ); | |||
| 178 | } @{$c->get_roles}; | |||
| 179 | ||||
| 180 | my (%seen, %method_map); | |||
| 181 | foreach my $method (@all_methods) { | |||
| 182 | my $seen = $seen{$method->{name}}; | |||
| 183 | ||||
| 184 | if ($seen) { | |||
| 185 | if ($seen->{method}->body != $method->{method}->body) { | |||
| 186 | $c->add_conflicting_method( | |||
| 187 | name => $method->{name}, | |||
| 188 | roles => [$method->{role}->name, $seen->{role}->name], | |||
| 189 | ); | |||
| 190 | ||||
| 191 | delete $method_map{$method->{name}}; | |||
| 192 | next; | |||
| 193 | } | |||
| 194 | } | |||
| 195 | ||||
| 196 | $seen{$method->{name}} = $method; | |||
| 197 | $method_map{$method->{name}} = $method->{method}; | |||
| 198 | } | |||
| 199 | ||||
| 200 | $c->add_method($_ => $method_map{$_}) for keys %method_map; | |||
| 201 | } | |||
| 202 | ||||
| 203 | sub apply_override_method_modifiers { | |||
| 204 | my ($self, $c) = @_; | |||
| 205 | ||||
| 206 | my @all_overrides = map { | |||
| 207 | my $role = $_; | |||
| 208 | map { | |||
| 209 | +{ | |||
| 210 | name => $_, | |||
| 211 | method => $role->get_override_method_modifier($_), | |||
| 212 | } | |||
| 213 | } $role->get_method_modifier_list('override'); | |||
| 214 | } @{$c->get_roles}; | |||
| 215 | ||||
| 216 | my %seen; | |||
| 217 | foreach my $override (@all_overrides) { | |||
| 218 | if ( $c->has_method($override->{name}) ){ | |||
| 219 | require Moose; | |||
| 220 | Moose->throw_error( "Role '" . $c->name . "' has encountered an 'override' method conflict " . | |||
| 221 | "during composition (A local method of the same name as been found). This " . | |||
| 222 | "is fatal error." ) | |||
| 223 | } | |||
| 224 | if (exists $seen{$override->{name}}) { | |||
| 225 | if ( $seen{$override->{name}} != $override->{method} ) { | |||
| 226 | require Moose; | |||
| 227 | Moose->throw_error( "We have encountered an 'override' method conflict during " . | |||
| 228 | "composition (Two 'override' methods of the same name encountered). " . | |||
| 229 | "This is fatal error.") | |||
| 230 | } | |||
| 231 | } | |||
| 232 | $seen{$override->{name}} = $override->{method}; | |||
| 233 | } | |||
| 234 | ||||
| 235 | $c->add_override_method_modifier( | |||
| 236 | $_->{name}, $_->{method} | |||
| 237 | ) for @all_overrides; | |||
| 238 | ||||
| 239 | } | |||
| 240 | ||||
| 241 | sub apply_method_modifiers { | |||
| 242 | my ($self, $modifier_type, $c) = @_; | |||
| 243 | my $add = "add_${modifier_type}_method_modifier"; | |||
| 244 | my $get = "get_${modifier_type}_method_modifiers"; | |||
| 245 | foreach my $role (@{$c->get_roles}) { | |||
| 246 | foreach my $method_name ($role->get_method_modifier_list($modifier_type)) { | |||
| 247 | $c->$add( | |||
| 248 | $method_name, | |||
| 249 | $_ | |||
| 250 | ) foreach $role->$get($method_name); | |||
| 251 | } | |||
| 252 | } | |||
| 253 | } | |||
| 254 | ||||
| 255 | 1 | 9µs | 9µs | 1; |
| 256 | ||||
| 257 | __END__ | |||
| 258 | ||||
| 259 | =pod | |||
| 260 | ||||
| 261 | =head1 NAME | |||
| 262 | ||||
| 263 | Moose::Meta::Role::Application::RoleSummation - Combine two or more roles | |||
| 264 | ||||
| 265 | =head1 DESCRIPTION | |||
| 266 | ||||
| 267 | Summation composes two traits, forming the union of non-conflicting | |||
| 268 | bindings and 'disabling' the conflicting bindings | |||
| 269 | ||||
| 270 | =head2 METHODS | |||
| 271 | ||||
| 272 | =over 4 | |||
| 273 | ||||
| 274 | =item B<new> | |||
| 275 | ||||
| 276 | =item B<meta> | |||
| 277 | ||||
| 278 | =item B<role_params> | |||
| 279 | ||||
| 280 | =item B<get_exclusions_for_role> | |||
| 281 | ||||
| 282 | =item B<get_method_aliases_for_role> | |||
| 283 | ||||
| 284 | =item B<is_aliased_method> | |||
| 285 | ||||
| 286 | =item B<is_method_aliased> | |||
| 287 | ||||
| 288 | =item B<is_method_excluded> | |||
| 289 | ||||
| 290 | =item B<apply> | |||
| 291 | ||||
| 292 | =item B<check_role_exclusions> | |||
| 293 | ||||
| 294 | =item B<check_required_methods> | |||
| 295 | ||||
| 296 | =item B<check_required_attributes> | |||
| 297 | ||||
| 298 | =item B<apply_attributes> | |||
| 299 | ||||
| 300 | =item B<apply_methods> | |||
| 301 | ||||
| 302 | =item B<apply_method_modifiers> | |||
| 303 | ||||
| 304 | =item B<apply_override_method_modifiers> | |||
| 305 | ||||
| 306 | =back | |||
| 307 | ||||
| 308 | =head1 BUGS | |||
| 309 | ||||
| 310 | See L<Moose/BUGS> for details on reporting bugs. | |||
| 311 | ||||
| 312 | =head1 AUTHOR | |||
| 313 | ||||
| 314 | Stevan Little E<lt>stevan@iinteractive.comE<gt> | |||
| 315 | ||||
| 316 | =head1 COPYRIGHT AND LICENSE | |||
| 317 | ||||
| 318 | Copyright 2006-2010 by Infinity Interactive, Inc. | |||
| 319 | ||||
| 320 | L<http://www.iinteractive.com> | |||
| 321 | ||||
| 322 | This library is free software; you can redistribute it and/or modify | |||
| 323 | it under the same terms as Perl itself. | |||
| 324 | ||||
| 325 | =cut | |||
| 326 |