+package Mouse::PurePerl;
+
+require Mouse::Util;
+
package
Mouse::Util;
return $gv->STASH->NAME;
}
+sub get_code_ref{
+ my($package, $name) = @_;
+ no strict 'refs';
+ no warnings 'once';
+ use warnings FATAL => 'uninitialized';
+ return *{$package . '::' . $name}{CODE};
+}
+
+sub generate_isa_predicate_for {
+ my($for_class, $name) = @_;
+
+ my $predicate = sub{ Scalar::Util::blessed($_[0]) && $_[0]->isa($for_class) };
+
+ if(defined $name){
+ no strict 'refs';
+ *{ caller() . '::' . $name } = $predicate;
+ return;
+ }
+
+ return $predicate;
+}
+
+
+package
+ Mouse::Util::TypeConstraints;
+
+use Scalar::Util qw(blessed looks_like_number openhandle);
+
+sub Any { 1 }
+sub Item { 1 }
+
+sub Bool { $_[0] ? $_[0] eq '1' : 1 }
+sub Undef { !defined($_[0]) }
+sub Defined { defined($_[0]) }
+sub Value { defined($_[0]) && !ref($_[0]) }
+sub Num { !ref($_[0]) && looks_like_number($_[0]) }
+sub Int { defined($_[0]) && !ref($_[0]) && $_[0] =~ /^-?[0-9]+$/ }
+sub Str { defined($_[0]) && !ref($_[0]) }
+
+sub Ref { ref($_[0]) }
+sub ScalarRef { ref($_[0]) eq 'SCALAR' }
+sub ArrayRef { ref($_[0]) eq 'ARRAY' }
+sub HashRef { ref($_[0]) eq 'HASH' }
+sub CodeRef { ref($_[0]) eq 'CODE' }
+sub RegexpRef { ref($_[0]) eq 'Regexp' }
+sub GlobRef { ref($_[0]) eq 'GLOB' }
+
+sub FileHandle {
+ openhandle($_[0]) || (blessed($_[0]) && $_[0]->isa("IO::Handle"))
+}
+
+sub Object { blessed($_[0]) && blessed($_[0]) ne 'Regexp' }
+
+sub ClassName { Mouse::Util::is_class_loaded($_[0]) }
+sub RoleName { (Mouse::Util::class_of($_[0]) || return 0)->isa('Mouse::Meta::Role') }
+
+sub _parameterize_ArrayRef_for {
+ my($type_parameter) = @_;
+ my $check = $type_parameter->_compiled_type_constraint;
+
+ return sub {
+ foreach my $value (@{$_}) {
+ return undef unless $check->($value);
+ }
+ return 1;
+ }
+}
+
+sub _parameterize_HashRef_for {
+ my($type_parameter) = @_;
+ my $check = $type_parameter->_compiled_type_constraint;
+
+ return sub {
+ foreach my $value(values %{$_}){
+ return undef unless $check->($value);
+ }
+ return 1;
+ };
+}
+
+# 'Maybe' type accepts 'Any', so it requires parameters
+sub _parameterize_Maybe_for {
+ my($type_parameter) = @_;
+ my $check = $type_parameter->_compiled_type_constraint;
+
+ return sub{
+ return !defined($_) || $check->($_);
+ };
+};
+
+
+
package
Mouse::Meta::Module;
-sub name { $_[0]->{package} }
+sub name { $_[0]->{package} }
+
+sub _method_map { $_[0]->{methods} }
+sub _attribute_map{ $_[0]->{attributes} }
+
+sub namespace{
+ my $name = $_[0]->{package};
+ no strict 'refs';
+ return \%{ $name . '::' };
+}
+
+sub add_method {
+ my($self, $name, $code) = @_;
+
+ if(!defined $name){
+ $self->throw_error('You must pass a defined name');
+ }
+ if(!defined $code){
+ $self->throw_error('You must pass a defined code');
+ }
+
+ if(ref($code) ne 'CODE'){
+ $code = \&{$code}; # coerce
+ }
+
+ $self->{methods}->{$name} = $code; # Moose stores meta object here.
+
+ my $pkg = $self->name;
+ no strict 'refs';
+ no warnings 'redefine', 'once';
+ *{ $pkg . '::' . $name } = $code;
+ return;
+}
+
package
Mouse::Meta::Class;
+sub method_metaclass { $_[0]->{method_metaclass} || 'Mouse::Meta::Method' }
+sub attribute_metaclass { $_[0]->{attribute_metaclass} || 'Mouse::Meta::Attribute' }
+
+sub constructor_class { $_[0]->{constructor_class} || 'Mouse::Meta::Method::Constructor' }
+sub destructor_class { $_[0]->{destructor_class} || 'Mouse::Meta::Method::Destructor' }
+
sub is_anon_class{
return exists $_[0]->{anon_serial_id};
}
sub roles { $_[0]->{roles} }
+sub linearized_isa { @{ get_linear_isa($_[0]->{package}) } }
+
+sub get_all_attributes {
+ my($self) = @_;
+ my %attrs = map { %{ $self->initialize($_)->{attributes} } } reverse $self->linearized_isa;
+ return values %attrs;
+}
+
+sub new_object {
+ my $self = shift;
+ my %args = (@_ == 1 ? %{$_[0]} : @_);
+
+ my $object = bless {}, $self->name;
+
+ $self->_initialize_object($object, \%args);
+ return $object;
+}
+
+sub _initialize_object{
+ my($self, $object, $args, $ignore_triggers) = @_;
+
+ my @triggers_queue;
+
+ foreach my $attribute ($self->get_all_attributes) {
+ my $init_arg = $attribute->init_arg;
+ my $slot = $attribute->name;
+
+ if (defined($init_arg) && exists($args->{$init_arg})) {
+ $object->{$slot} = $attribute->_coerce_and_verify($args->{$init_arg}, $object);
+
+ weaken($object->{$slot})
+ if ref($object->{$slot}) && $attribute->is_weak_ref;
+
+ if ($attribute->has_trigger) {
+ push @triggers_queue, [ $attribute->trigger, $object->{$slot} ];
+ }
+ }
+ else { # no init arg
+ if ($attribute->has_default || $attribute->has_builder) {
+ if (!$attribute->is_lazy) {
+ my $default = $attribute->default;
+ my $builder = $attribute->builder;
+ my $value = $builder ? $object->$builder()
+ : ref($default) eq 'CODE' ? $object->$default()
+ : $default;
+
+ $object->{$slot} = $attribute->_coerce_and_verify($value, $object);
+
+ weaken($object->{$slot})
+ if ref($object->{$slot}) && $attribute->is_weak_ref;
+ }
+ }
+ elsif($attribute->is_required) {
+ $self->throw_error("Attribute (".$attribute->name.") is required");
+ }
+ }
+ }
+
+ if(!$ignore_triggers){
+ foreach my $trigger_and_value(@triggers_queue){
+ my($trigger, $value) = @{$trigger_and_value};
+ $trigger->($object, $value);
+ }
+ }
+
+ if($self->is_anon_class){
+ $object->{__METACLASS__} = $self;
+ }
+
+ return;
+}
+
+
package
Mouse::Meta::Role;
+sub method_metaclass{ $_[0]->{method_metaclass} || 'Mouse::Meta::Role::Method' }
+
sub is_anon_role{
return exists $_[0]->{anon_serial_id};
}
package
Mouse::Meta::Attribute;
+require Mouse::Meta::Method::Accessor;
+
+sub accessor_metaclass{ $_[0]->{accessor_metaclass} || 'Mouse::Meta::Method::Accessor' }
# readers
sub should_auto_deref { $_[0]->{auto_deref} }
sub should_coerce { $_[0]->{coerce} }
+sub documentation { $_[0]->{documentation} }
+
# predicates
sub has_accessor { exists $_[0]->{accessor} }
sub has_trigger { exists $_[0]->{trigger} }
sub has_builder { exists $_[0]->{builder} }
+sub has_documentation { exists $_[0]->{documentation} }
+
package
Mouse::Meta::TypeConstraint;
sub _compiled_type_constraint{ $_[0]->{compiled_type_constraint} }
+sub _compiled_type_coercion { $_[0]->{_compiled_type_coercion} }
+
sub has_coercion{ exists $_[0]->{_compiled_type_coercion} }
+
+sub compile_type_constraint{
+ my($self) = @_;
+
+ # add parents first
+ my @checks;
+ for(my $parent = $self->{parent}; defined $parent; $parent = $parent->{parent}){
+ if($parent->{hand_optimized_type_constraint}){
+ unshift @checks, $parent->{hand_optimized_type_constraint};
+ last; # a hand optimized constraint must include all the parents
+ }
+ elsif($parent->{constraint}){
+ unshift @checks, $parent->{constraint};
+ }
+ }
+
+ # then add child
+ if($self->{constraint}){
+ push @checks, $self->{constraint};
+ }
+
+ if($self->{type_constraints}){ # Union
+ my @types = map{ $_->{compiled_type_constraint} } @{ $self->{type_constraints} };
+ push @checks, sub{
+ foreach my $c(@types){
+ return 1 if $c->($_[0]);
+ }
+ return 0;
+ };
+ }
+
+ if(@checks == 0){
+ $self->{compiled_type_constraint} = \&Mouse::Util::TypeConstraints::Any;
+ }
+ else{
+ $self->{compiled_type_constraint} = sub{
+ my(@args) = @_;
+ local $_ = $args[0];
+ foreach my $c(@checks){
+ return undef if !$c->(@args);
+ }
+ return 1;
+ };
+ }
+ return;
+}
+
package
- Mouse::Meta::Method::Accessor;
+ Mouse::Object;
+
+
+sub BUILDARGS {
+ my $class = shift;
+
+ if (scalar @_ == 1) {
+ (ref($_[0]) eq 'HASH')
+ || $class->meta->throw_error("Single parameters to new() must be a HASH ref");
+
+ return {%{$_[0]}};
+ }
+ else {
+ return {@_};
+ }
+}
+
+sub new {
+ my $class = shift;
+
+ $class->meta->throw_error('Cannot call new() on an instance') if ref $class;
+
+ my $args = $class->BUILDARGS(@_);
+
+ my $meta = Mouse::Meta::Class->initialize($class);
+ my $self = $meta->new_object($args);
+
+ # BUILDALL
+ if( $self->can('BUILD') ) {
+ for my $class (reverse $meta->linearized_isa) {
+ my $build = Mouse::Util::get_code_ref($class, 'BUILD')
+ || next;
+
+ $self->$build($args);
+ }
+ }
+
+ return $self;
+}
+
+sub DESTROY {
+ my $self = shift;
+
+ return unless $self->can('DEMOLISH'); # short circuit
+
+ local $?;
+
+ my $e = do{
+ local $@;
+ eval{
+
+ # DEMOLISHALL
+
+ # We cannot count on being able to retrieve a previously made
+ # metaclass, _or_ being able to make a new one during global
+ # destruction. However, we should still be able to use mro at
+ # that time (at least tests suggest so ;)
+
+ foreach my $class (@{ Mouse::Util::get_linear_isa(ref $self) }) {
+ my $demolish = Mouse::Util::get_code_ref($class, 'DEMOLISH')
+ || next;
+
+ $self->$demolish();
+ }
+ };
+ $@;
+ };
+
+ no warnings 'misc';
+ die $e if $e; # rethrow
+}
1;
__END__
+
+=head1 NAME
+
+Mouse::PurePerl - A Mouse guts in pure Perl
+
+=head1 VERSION
+
+This document describes Mouse version 0.40_08
+
+=head1 SEE ALSO
+
+L<Mouse::XS>
+
+=cut
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