Commit | Line | Data |
ccb38d0b |
1 | package Mouse::PurePerl; |
2 | |
a52cca04 |
3 | require Mouse::Util; |
4 | |
6fffa617 |
5 | package Mouse::Util; |
df6dd016 |
6 | |
7 | use strict; |
8 | use warnings; |
9 | |
10 | use warnings FATAL => 'redefine'; # to avoid to load Mouse::PurePerl |
11 | |
12 | use B (); |
13 | |
0ffc4183 |
14 | |
15 | # taken from Class/MOP.pm |
16 | sub is_valid_class_name { |
17 | my $class = shift; |
18 | |
19 | return 0 if ref($class); |
20 | return 0 unless defined($class); |
21 | |
22 | return 1 if $class =~ /\A \w+ (?: :: \w+ )* \z/xms; |
23 | |
24 | return 0; |
25 | } |
26 | |
df6dd016 |
27 | sub is_class_loaded { |
28 | my $class = shift; |
29 | |
30 | return 0 if ref($class) || !defined($class) || !length($class); |
31 | |
32 | # walk the symbol table tree to avoid autovififying |
3bb9e54e |
33 | # \*{${main::}{"Foo::"}{"Bar::"}} == \*main::Foo::Bar:: |
df6dd016 |
34 | |
35 | my $pack = \%::; |
36 | foreach my $part (split('::', $class)) { |
3bb9e54e |
37 | $part .= '::'; |
38 | return 0 if !exists $pack->{$part}; |
39 | |
40 | my $entry = \$pack->{$part}; |
df6dd016 |
41 | return 0 if ref($entry) ne 'GLOB'; |
3bb9e54e |
42 | $pack = *{$entry}{HASH}; |
df6dd016 |
43 | } |
44 | |
3bb9e54e |
45 | return 0 if !%{$pack}; |
46 | |
df6dd016 |
47 | # check for $VERSION or @ISA |
48 | return 1 if exists $pack->{VERSION} |
49 | && defined *{$pack->{VERSION}}{SCALAR} && defined ${ $pack->{VERSION} }; |
50 | return 1 if exists $pack->{ISA} |
51 | && defined *{$pack->{ISA}}{ARRAY} && @{ $pack->{ISA} } != 0; |
52 | |
53 | # check for any method |
54 | foreach my $name( keys %{$pack} ) { |
55 | my $entry = \$pack->{$name}; |
56 | return 1 if ref($entry) ne 'GLOB' || defined *{$entry}{CODE}; |
57 | } |
58 | |
59 | # fail |
60 | return 0; |
61 | } |
62 | |
63 | |
64 | # taken from Sub::Identify |
65 | sub get_code_info { |
66 | my ($coderef) = @_; |
67 | ref($coderef) or return; |
68 | |
69 | my $cv = B::svref_2object($coderef); |
70 | $cv->isa('B::CV') or return; |
71 | |
72 | my $gv = $cv->GV; |
73 | $gv->isa('B::GV') or return; |
74 | |
75 | return ($gv->STASH->NAME, $gv->NAME); |
76 | } |
77 | |
78 | sub get_code_package{ |
79 | my($coderef) = @_; |
80 | |
81 | my $cv = B::svref_2object($coderef); |
82 | $cv->isa('B::CV') or return ''; |
83 | |
84 | my $gv = $cv->GV; |
85 | $gv->isa('B::GV') or return ''; |
86 | |
87 | return $gv->STASH->NAME; |
88 | } |
89 | |
7d96ae4d |
90 | sub get_code_ref{ |
91 | my($package, $name) = @_; |
92 | no strict 'refs'; |
93 | no warnings 'once'; |
94 | use warnings FATAL => 'uninitialized'; |
95 | return *{$package . '::' . $name}{CODE}; |
96 | } |
97 | |
e3540312 |
98 | sub generate_isa_predicate_for { |
1d5ecd5f |
99 | my($for_class, $name) = @_; |
100 | |
f48920c1 |
101 | my $predicate = sub{ Scalar::Util::blessed($_[0]) && $_[0]->isa($for_class) }; |
1d5ecd5f |
102 | |
103 | if(defined $name){ |
104 | no strict 'refs'; |
105 | *{ caller() . '::' . $name } = $predicate; |
106 | return; |
107 | } |
108 | |
109 | return $predicate; |
110 | } |
111 | |
ebe91068 |
112 | sub generate_can_predicate_for { |
113 | my($methods_ref, $name) = @_; |
114 | |
115 | my @methods = @{$methods_ref}; |
116 | |
117 | my $predicate = sub{ |
118 | my($instance) = @_; |
119 | if(Scalar::Util::blessed($instance)){ |
120 | foreach my $method(@methods){ |
121 | if(!$instance->can($method)){ |
122 | return 0; |
123 | } |
124 | } |
125 | return 1; |
126 | } |
127 | return 0; |
128 | }; |
129 | |
130 | if(defined $name){ |
131 | no strict 'refs'; |
132 | *{ caller() . '::' . $name } = $predicate; |
133 | return; |
134 | } |
135 | |
136 | return $predicate; |
137 | } |
1d5ecd5f |
138 | |
6fffa617 |
139 | package Mouse::Util::TypeConstraints; |
f48920c1 |
140 | |
141 | use Scalar::Util qw(blessed looks_like_number openhandle); |
142 | |
7d96ae4d |
143 | sub Any { 1 } |
144 | sub Item { 1 } |
7d96ae4d |
145 | |
146 | sub Bool { $_[0] ? $_[0] eq '1' : 1 } |
147 | sub Undef { !defined($_[0]) } |
148 | sub Defined { defined($_[0]) } |
149 | sub Value { defined($_[0]) && !ref($_[0]) } |
150 | sub Num { !ref($_[0]) && looks_like_number($_[0]) } |
151 | sub Int { defined($_[0]) && !ref($_[0]) && $_[0] =~ /^-?[0-9]+$/ } |
9848d3e1 |
152 | sub Str { |
153 | my($value) = @_; |
154 | return defined($value) && ref(\$value) eq 'SCALAR'; |
155 | } |
7d96ae4d |
156 | |
157 | sub Ref { ref($_[0]) } |
9848d3e1 |
158 | sub ScalarRef { |
159 | my($value) = @_; |
160 | return ref($value) eq 'SCALAR' |
161 | } |
7d96ae4d |
162 | sub ArrayRef { ref($_[0]) eq 'ARRAY' } |
163 | sub HashRef { ref($_[0]) eq 'HASH' } |
164 | sub CodeRef { ref($_[0]) eq 'CODE' } |
165 | sub RegexpRef { ref($_[0]) eq 'Regexp' } |
166 | sub GlobRef { ref($_[0]) eq 'GLOB' } |
167 | |
168 | sub FileHandle { |
9848d3e1 |
169 | return openhandle($_[0]) || (blessed($_[0]) && $_[0]->isa("IO::Handle")) |
7d96ae4d |
170 | } |
171 | |
172 | sub Object { blessed($_[0]) && blessed($_[0]) ne 'Regexp' } |
173 | |
174 | sub ClassName { Mouse::Util::is_class_loaded($_[0]) } |
175 | sub RoleName { (Mouse::Util::class_of($_[0]) || return 0)->isa('Mouse::Meta::Role') } |
176 | |
619338ac |
177 | sub _parameterize_ArrayRef_for { |
178 | my($type_parameter) = @_; |
179 | my $check = $type_parameter->_compiled_type_constraint; |
180 | |
181 | return sub { |
182 | foreach my $value (@{$_}) { |
183 | return undef unless $check->($value); |
184 | } |
185 | return 1; |
186 | } |
187 | } |
188 | |
189 | sub _parameterize_HashRef_for { |
190 | my($type_parameter) = @_; |
191 | my $check = $type_parameter->_compiled_type_constraint; |
192 | |
193 | return sub { |
194 | foreach my $value(values %{$_}){ |
195 | return undef unless $check->($value); |
196 | } |
197 | return 1; |
198 | }; |
199 | } |
200 | |
201 | # 'Maybe' type accepts 'Any', so it requires parameters |
202 | sub _parameterize_Maybe_for { |
203 | my($type_parameter) = @_; |
204 | my $check = $type_parameter->_compiled_type_constraint; |
205 | |
206 | return sub{ |
207 | return !defined($_) || $check->($_); |
208 | }; |
209 | }; |
210 | |
211 | |
7d96ae4d |
212 | |
6fffa617 |
213 | package Mouse::Meta::Module; |
43165725 |
214 | |
926404f2 |
215 | sub name { $_[0]->{package} } |
216 | |
217 | sub _method_map { $_[0]->{methods} } |
c5f6ad05 |
218 | sub _attribute_map{ $_[0]->{attributes} } |
43165725 |
219 | |
2591e962 |
220 | sub namespace{ |
221 | my $name = $_[0]->{package}; |
222 | no strict 'refs'; |
223 | return \%{ $name . '::' }; |
224 | } |
225 | |
3e44140b |
226 | sub add_method { |
227 | my($self, $name, $code) = @_; |
228 | |
229 | if(!defined $name){ |
230 | $self->throw_error('You must pass a defined name'); |
231 | } |
232 | if(!defined $code){ |
233 | $self->throw_error('You must pass a defined code'); |
234 | } |
235 | |
236 | if(ref($code) ne 'CODE'){ |
237 | $code = \&{$code}; # coerce |
238 | } |
239 | |
240 | $self->{methods}->{$name} = $code; # Moose stores meta object here. |
241 | |
242 | my $pkg = $self->name; |
243 | no strict 'refs'; |
244 | no warnings 'redefine', 'once'; |
245 | *{ $pkg . '::' . $name } = $code; |
246 | return; |
247 | } |
248 | |
6fffa617 |
249 | package Mouse::Meta::Class; |
43165725 |
250 | |
e058b279 |
251 | sub method_metaclass { $_[0]->{method_metaclass} || 'Mouse::Meta::Method' } |
252 | sub attribute_metaclass { $_[0]->{attribute_metaclass} || 'Mouse::Meta::Attribute' } |
253 | |
254 | sub constructor_class { $_[0]->{constructor_class} || 'Mouse::Meta::Method::Constructor' } |
255 | sub destructor_class { $_[0]->{destructor_class} || 'Mouse::Meta::Method::Destructor' } |
4e7e3250 |
256 | |
43165725 |
257 | sub is_anon_class{ |
258 | return exists $_[0]->{anon_serial_id}; |
259 | } |
260 | |
261 | sub roles { $_[0]->{roles} } |
262 | |
cccb83de |
263 | sub linearized_isa { @{ get_linear_isa($_[0]->{package}) } } |
264 | |
da4432f3 |
265 | sub get_all_attributes { |
266 | my($self) = @_; |
047d7af0 |
267 | my %attrs = map { %{ $self->initialize($_)->{attributes} } } reverse $self->linearized_isa; |
da4432f3 |
268 | return values %attrs; |
269 | } |
270 | |
ba153b33 |
271 | sub new_object { |
272 | my $self = shift; |
273 | my %args = (@_ == 1 ? %{$_[0]} : @_); |
274 | |
275 | my $object = bless {}, $self->name; |
276 | |
277 | $self->_initialize_object($object, \%args); |
278 | return $object; |
279 | } |
280 | |
4e7e3250 |
281 | sub _initialize_object{ |
282 | my($self, $object, $args, $ignore_triggers) = @_; |
283 | |
284 | my @triggers_queue; |
285 | |
286 | foreach my $attribute ($self->get_all_attributes) { |
287 | my $init_arg = $attribute->init_arg; |
288 | my $slot = $attribute->name; |
289 | |
290 | if (defined($init_arg) && exists($args->{$init_arg})) { |
291 | $object->{$slot} = $attribute->_coerce_and_verify($args->{$init_arg}, $object); |
292 | |
293 | weaken($object->{$slot}) |
294 | if ref($object->{$slot}) && $attribute->is_weak_ref; |
295 | |
296 | if ($attribute->has_trigger) { |
297 | push @triggers_queue, [ $attribute->trigger, $object->{$slot} ]; |
298 | } |
299 | } |
300 | else { # no init arg |
301 | if ($attribute->has_default || $attribute->has_builder) { |
302 | if (!$attribute->is_lazy) { |
303 | my $default = $attribute->default; |
304 | my $builder = $attribute->builder; |
305 | my $value = $builder ? $object->$builder() |
306 | : ref($default) eq 'CODE' ? $object->$default() |
307 | : $default; |
308 | |
309 | $object->{$slot} = $attribute->_coerce_and_verify($value, $object); |
310 | |
311 | weaken($object->{$slot}) |
312 | if ref($object->{$slot}) && $attribute->is_weak_ref; |
313 | } |
314 | } |
315 | elsif($attribute->is_required) { |
316 | $self->throw_error("Attribute (".$attribute->name.") is required"); |
317 | } |
318 | } |
319 | } |
320 | |
321 | if(!$ignore_triggers){ |
322 | foreach my $trigger_and_value(@triggers_queue){ |
323 | my($trigger, $value) = @{$trigger_and_value}; |
324 | $trigger->($object, $value); |
325 | } |
326 | } |
327 | |
328 | if($self->is_anon_class){ |
329 | $object->{__METACLASS__} = $self; |
330 | } |
331 | |
332 | return; |
333 | } |
334 | |
80efe911 |
335 | sub is_immutable { $_[0]->{is_immutable} } |
4e7e3250 |
336 | |
e128626c |
337 | sub __strict_constructor{ $_[0]->{strict_constructor} } |
338 | |
6fffa617 |
339 | package Mouse::Meta::Role; |
43165725 |
340 | |
e058b279 |
341 | sub method_metaclass{ $_[0]->{method_metaclass} || 'Mouse::Meta::Role::Method' } |
342 | |
43165725 |
343 | sub is_anon_role{ |
344 | return exists $_[0]->{anon_serial_id}; |
345 | } |
346 | |
347 | sub get_roles { $_[0]->{roles} } |
348 | |
6fffa617 |
349 | package Mouse::Meta::Attribute; |
43165725 |
350 | |
e058b279 |
351 | require Mouse::Meta::Method::Accessor; |
352 | |
353 | sub accessor_metaclass{ $_[0]->{accessor_metaclass} || 'Mouse::Meta::Method::Accessor' } |
43165725 |
354 | |
355 | # readers |
356 | |
357 | sub name { $_[0]->{name} } |
358 | sub associated_class { $_[0]->{associated_class} } |
359 | |
360 | sub accessor { $_[0]->{accessor} } |
361 | sub reader { $_[0]->{reader} } |
362 | sub writer { $_[0]->{writer} } |
363 | sub predicate { $_[0]->{predicate} } |
364 | sub clearer { $_[0]->{clearer} } |
365 | sub handles { $_[0]->{handles} } |
366 | |
367 | sub _is_metadata { $_[0]->{is} } |
368 | sub is_required { $_[0]->{required} } |
369 | sub default { $_[0]->{default} } |
370 | sub is_lazy { $_[0]->{lazy} } |
371 | sub is_lazy_build { $_[0]->{lazy_build} } |
372 | sub is_weak_ref { $_[0]->{weak_ref} } |
373 | sub init_arg { $_[0]->{init_arg} } |
374 | sub type_constraint { $_[0]->{type_constraint} } |
375 | |
376 | sub trigger { $_[0]->{trigger} } |
377 | sub builder { $_[0]->{builder} } |
378 | sub should_auto_deref { $_[0]->{auto_deref} } |
379 | sub should_coerce { $_[0]->{coerce} } |
380 | |
d899d3e7 |
381 | sub documentation { $_[0]->{documentation} } |
382 | |
43165725 |
383 | # predicates |
384 | |
385 | sub has_accessor { exists $_[0]->{accessor} } |
386 | sub has_reader { exists $_[0]->{reader} } |
387 | sub has_writer { exists $_[0]->{writer} } |
388 | sub has_predicate { exists $_[0]->{predicate} } |
389 | sub has_clearer { exists $_[0]->{clearer} } |
390 | sub has_handles { exists $_[0]->{handles} } |
391 | |
392 | sub has_default { exists $_[0]->{default} } |
393 | sub has_type_constraint { exists $_[0]->{type_constraint} } |
394 | sub has_trigger { exists $_[0]->{trigger} } |
395 | sub has_builder { exists $_[0]->{builder} } |
396 | |
d899d3e7 |
397 | sub has_documentation { exists $_[0]->{documentation} } |
398 | |
ba1f50a2 |
399 | sub _process_options{ |
400 | my($class, $name, $args) = @_; |
401 | |
402 | # taken from Class::MOP::Attribute::new |
403 | |
404 | defined($name) |
405 | or $class->throw_error('You must provide a name for the attribute'); |
406 | |
407 | if(!exists $args->{init_arg}){ |
408 | $args->{init_arg} = $name; |
409 | } |
410 | |
411 | # 'required' requires eigher 'init_arg', 'builder', or 'default' |
412 | my $can_be_required = defined( $args->{init_arg} ); |
413 | |
414 | if(exists $args->{builder}){ |
415 | # XXX: |
416 | # Moose refuses a CODE ref builder, but Mouse doesn't for backward compatibility |
417 | # This feature will be changed in a future. (gfx) |
418 | $class->throw_error('builder must be a defined scalar value which is a method name') |
419 | #if ref $args->{builder} || !defined $args->{builder}; |
420 | if !defined $args->{builder}; |
421 | |
422 | $can_be_required++; |
423 | } |
424 | elsif(exists $args->{default}){ |
425 | if(ref $args->{default} && ref($args->{default}) ne 'CODE'){ |
426 | $class->throw_error("References are not allowed as default values, you must " |
427 | . "wrap the default of '$name' in a CODE reference (ex: sub { [] } and not [])"); |
428 | } |
429 | $can_be_required++; |
430 | } |
431 | |
432 | if( $args->{required} && !$can_be_required ) { |
433 | $class->throw_error("You cannot have a required attribute ($name) without a default, builder, or an init_arg"); |
434 | } |
435 | |
436 | # taken from Mouse::Meta::Attribute->new and ->_process_args |
437 | |
438 | if(exists $args->{is}){ |
439 | my $is = $args->{is}; |
440 | |
441 | if($is eq 'ro'){ |
442 | $args->{reader} ||= $name; |
443 | } |
444 | elsif($is eq 'rw'){ |
445 | if(exists $args->{writer}){ |
446 | $args->{reader} ||= $name; |
447 | } |
448 | else{ |
449 | $args->{accessor} ||= $name; |
450 | } |
451 | } |
452 | elsif($is eq 'bare'){ |
453 | # do nothing, but don't complain (later) about missing methods |
454 | } |
455 | else{ |
456 | $is = 'undef' if !defined $is; |
457 | $class->throw_error("I do not understand this option (is => $is) on attribute ($name)"); |
458 | } |
459 | } |
460 | |
461 | my $tc; |
462 | if(exists $args->{isa}){ |
d503a4f3 |
463 | $tc = $args->{type_constraint} = Mouse::Util::TypeConstraints::find_or_create_isa_type_constraint($args->{isa}); |
ba1f50a2 |
464 | } |
d503a4f3 |
465 | |
466 | if(exists $args->{does}){ |
467 | if(defined $tc){ # both isa and does supplied |
468 | my $does_ok = do{ |
469 | local $@; |
470 | eval{ "$tc"->does($args) }; |
471 | }; |
472 | if(!$does_ok){ |
473 | $class->throw_error("Cannot have both an isa option and a does option because '$tc' does not do '$args->{does}' on attribute ($name)"); |
474 | } |
475 | } |
476 | else { |
477 | $tc = $args->{type_constraint} = Mouse::Util::TypeConstraints::find_or_create_does_type_constraint($args->{does}); |
478 | } |
ba1f50a2 |
479 | } |
ba1f50a2 |
480 | |
481 | if($args->{coerce}){ |
482 | defined($tc) |
483 | || $class->throw_error("You cannot have coercion without specifying a type constraint on attribute ($name)"); |
484 | |
485 | $args->{weak_ref} |
486 | && $class->throw_error("You cannot have a weak reference to a coerced value on attribute ($name)"); |
487 | } |
488 | |
489 | if ($args->{lazy_build}) { |
490 | exists($args->{default}) |
491 | && $class->throw_error("You can not use lazy_build and default for the same attribute ($name)"); |
492 | |
493 | $args->{lazy} = 1; |
494 | $args->{builder} ||= "_build_${name}"; |
495 | if ($name =~ /^_/) { |
496 | $args->{clearer} ||= "_clear${name}"; |
497 | $args->{predicate} ||= "_has${name}"; |
498 | } |
499 | else { |
500 | $args->{clearer} ||= "clear_${name}"; |
501 | $args->{predicate} ||= "has_${name}"; |
502 | } |
503 | } |
504 | |
505 | if ($args->{auto_deref}) { |
506 | defined($tc) |
507 | || $class->throw_error("You cannot auto-dereference without specifying a type constraint on attribute ($name)"); |
508 | |
509 | ( $tc->is_a_type_of('ArrayRef') || $tc->is_a_type_of('HashRef') ) |
510 | || $class->throw_error("You cannot auto-dereference anything other than a ArrayRef or HashRef on attribute ($name)"); |
511 | } |
512 | |
513 | if (exists $args->{trigger}) { |
514 | ('CODE' eq ref $args->{trigger}) |
515 | || $class->throw_error("Trigger must be a CODE ref on attribute ($name)"); |
516 | } |
517 | |
518 | if ($args->{lazy}) { |
519 | (exists $args->{default} || defined $args->{builder}) |
520 | || $class->throw_error("You cannot have lazy attribute ($name) without specifying a default value for it"); |
521 | } |
522 | |
523 | return; |
524 | } |
525 | |
526 | |
6fffa617 |
527 | package Mouse::Meta::TypeConstraint; |
43165725 |
528 | |
529 | sub name { $_[0]->{name} } |
530 | sub parent { $_[0]->{parent} } |
531 | sub message { $_[0]->{message} } |
532 | |
fc83f4cf |
533 | sub type_parameter { $_[0]->{type_parameter} } |
534 | sub __is_parameterized { exists $_[0]->{type_parameter} } |
535 | |
43165725 |
536 | sub _compiled_type_constraint{ $_[0]->{compiled_type_constraint} } |
537 | |
93540011 |
538 | sub _compiled_type_coercion { $_[0]->{_compiled_type_coercion} } |
df6dd016 |
539 | |
93540011 |
540 | sub has_coercion{ exists $_[0]->{_compiled_type_coercion} } |
df6dd016 |
541 | |
f790c46b |
542 | |
543 | sub compile_type_constraint{ |
544 | my($self) = @_; |
545 | |
546 | # add parents first |
547 | my @checks; |
548 | for(my $parent = $self->{parent}; defined $parent; $parent = $parent->{parent}){ |
549 | if($parent->{hand_optimized_type_constraint}){ |
550 | unshift @checks, $parent->{hand_optimized_type_constraint}; |
551 | last; # a hand optimized constraint must include all the parents |
552 | } |
553 | elsif($parent->{constraint}){ |
554 | unshift @checks, $parent->{constraint}; |
555 | } |
556 | } |
557 | |
558 | # then add child |
559 | if($self->{constraint}){ |
560 | push @checks, $self->{constraint}; |
561 | } |
562 | |
563 | if($self->{type_constraints}){ # Union |
564 | my @types = map{ $_->{compiled_type_constraint} } @{ $self->{type_constraints} }; |
565 | push @checks, sub{ |
566 | foreach my $c(@types){ |
567 | return 1 if $c->($_[0]); |
568 | } |
569 | return 0; |
570 | }; |
571 | } |
572 | |
573 | if(@checks == 0){ |
574 | $self->{compiled_type_constraint} = \&Mouse::Util::TypeConstraints::Any; |
575 | } |
576 | else{ |
577 | $self->{compiled_type_constraint} = sub{ |
578 | my(@args) = @_; |
579 | local $_ = $args[0]; |
580 | foreach my $c(@checks){ |
581 | return undef if !$c->(@args); |
582 | } |
583 | return 1; |
584 | }; |
585 | } |
586 | return; |
587 | } |
588 | |
6fffa617 |
589 | package Mouse::Object; |
aa2d2e2c |
590 | |
591 | |
592 | sub BUILDARGS { |
593 | my $class = shift; |
f790c46b |
594 | |
aa2d2e2c |
595 | if (scalar @_ == 1) { |
596 | (ref($_[0]) eq 'HASH') |
597 | || $class->meta->throw_error("Single parameters to new() must be a HASH ref"); |
598 | |
599 | return {%{$_[0]}}; |
600 | } |
601 | else { |
602 | return {@_}; |
603 | } |
604 | } |
f790c46b |
605 | |
af04626d |
606 | sub new { |
607 | my $class = shift; |
608 | |
609 | $class->meta->throw_error('Cannot call new() on an instance') if ref $class; |
610 | |
611 | my $args = $class->BUILDARGS(@_); |
612 | |
613 | my $meta = Mouse::Meta::Class->initialize($class); |
614 | my $self = $meta->new_object($args); |
615 | |
616 | # BUILDALL |
617 | if( $self->can('BUILD') ) { |
618 | for my $class (reverse $meta->linearized_isa) { |
619 | my $build = Mouse::Util::get_code_ref($class, 'BUILD') |
620 | || next; |
621 | |
622 | $self->$build($args); |
623 | } |
624 | } |
625 | |
626 | return $self; |
627 | } |
628 | |
a5c683f6 |
629 | sub DESTROY { |
630 | my $self = shift; |
631 | |
632 | return unless $self->can('DEMOLISH'); # short circuit |
633 | |
634 | local $?; |
635 | |
636 | my $e = do{ |
637 | local $@; |
638 | eval{ |
639 | |
640 | # DEMOLISHALL |
641 | |
642 | # We cannot count on being able to retrieve a previously made |
643 | # metaclass, _or_ being able to make a new one during global |
644 | # destruction. However, we should still be able to use mro at |
645 | # that time (at least tests suggest so ;) |
646 | |
647 | foreach my $class (@{ Mouse::Util::get_linear_isa(ref $self) }) { |
648 | my $demolish = Mouse::Util::get_code_ref($class, 'DEMOLISH') |
649 | || next; |
650 | |
6514735e |
651 | $self->$demolish($Mouse::Util::in_global_destruction); |
a5c683f6 |
652 | } |
653 | }; |
654 | $@; |
655 | }; |
656 | |
657 | no warnings 'misc'; |
658 | die $e if $e; # rethrow |
659 | } |
660 | |
adb5eb76 |
661 | sub BUILDALL { |
662 | my $self = shift; |
663 | |
664 | # short circuit |
665 | return unless $self->can('BUILD'); |
666 | |
667 | for my $class (reverse $self->meta->linearized_isa) { |
668 | my $build = Mouse::Util::get_code_ref($class, 'BUILD') |
669 | || next; |
670 | |
671 | $self->$build(@_); |
672 | } |
673 | return; |
674 | } |
675 | |
676 | sub DEMOLISHALL; |
677 | *DEMOLISHALL = \&DESTROY; |
678 | |
df6dd016 |
679 | 1; |
680 | __END__ |
ccb38d0b |
681 | |
682 | =head1 NAME |
683 | |
684 | Mouse::PurePerl - A Mouse guts in pure Perl |
685 | |
686 | =head1 VERSION |
687 | |
4bc73e47 |
688 | This document describes Mouse version 0.50_03 |
ccb38d0b |
689 | |
690 | =head1 SEE ALSO |
691 | |
692 | L<Mouse::XS> |
693 | |
694 | =cut |