X-Git-Url: http://git.shadowcat.co.uk/gitweb/gitweb.cgi?a=blobdiff_plain;f=lib%2FMouse%2FMeta%2FAttribute.pm;h=dfae8b27654126fe69db85f8e75d4890a7fbcf40;hb=a3f4f68e59a9f962a72410a3aa1ece6f1f3126b5;hp=0a262b78fb4e4fd16f1cb3d8456b3a38790bc741;hpb=17d5fef423aff5e163749c4fc6c7e4356aee9cea;p=gitmo%2FMouse.git diff --git a/lib/Mouse/Meta/Attribute.pm b/lib/Mouse/Meta/Attribute.pm index 0a262b7..dfae8b2 100644 --- a/lib/Mouse/Meta/Attribute.pm +++ b/lib/Mouse/Meta/Attribute.pm @@ -6,6 +6,7 @@ require overload; use Carp 'confess'; use Scalar::Util (); use Mouse::Meta::TypeConstraint; +use Mouse::Meta::Method::Accessor; sub new { my ($class, $name, %options) = @_; @@ -62,114 +63,6 @@ sub inlined_name { return $key; } -sub generate_accessor { - my $attribute = shift; - - my $name = $attribute->name; - my $default = $attribute->default; - my $constraint = $attribute->type_constraint; - my $builder = $attribute->builder; - my $trigger = $attribute->trigger; - my $is_weak = $attribute->is_weak_ref; - my $should_deref = $attribute->should_auto_deref; - my $should_coerce = $attribute->should_coerce; - - my $compiled_type_constraint = $constraint ? $constraint->{_compiled_type_constraint} : undef; - - my $self = '$_[0]'; - my $key = $attribute->inlined_name; - - my $accessor = - '#line ' . __LINE__ . ' "' . __FILE__ . "\"\n" . - "sub {\n"; - if ($attribute->_is_metadata eq 'rw') { - $accessor .= - '#line ' . __LINE__ . ' "' . __FILE__ . "\"\n" . - 'if (@_ >= 2) {' . "\n"; - - my $value = '$_[1]'; - - if ($constraint) { - $accessor .= 'my $val = '; - if ($should_coerce) { - $accessor .= - "\n". - '#line ' . __LINE__ . ' "' . __FILE__ . "\"\n" . - 'Mouse::Util::TypeConstraints->typecast_constraints("'.$attribute->associated_class->name.'", $attribute->{type_constraint}, '.$value.');'; - } else { - $accessor .= $value.';'; - } - if ($compiled_type_constraint) { - $accessor .= - "\n". - '#line ' . __LINE__ . ' "' . __FILE__ . "\"\n" . - 'unless ($compiled_type_constraint->($val)) { - $attribute->verify_type_constraint_error($name, $val, $attribute->{type_constraint}); - }' . "\n"; - } else { - $accessor .= - "\n". - '#line ' . __LINE__ . ' "' . __FILE__ . "\"\n" . - 'unless ($constraint->check($val)) { - $attribute->verify_type_constraint_error($name, $val, $attribute->{type_constraint}); - }' . "\n"; - } - $value = '$val'; - } - - # if there's nothing left to do for the attribute we can return during - # this setter - $accessor .= 'return ' if !$is_weak && !$trigger && !$should_deref; - - $accessor .= $self.'->{'.$key.'} = '.$value.';' . "\n"; - - if ($is_weak) { - $accessor .= 'Scalar::Util::weaken('.$self.'->{'.$key.'}) if ref('.$self.'->{'.$key.'});' . "\n"; - } - - if ($trigger) { - $accessor .= '$trigger->('.$self.', '.$value.');' . "\n"; - } - - $accessor .= "}\n"; - } - else { - $accessor .= 'confess "Cannot assign a value to a read-only accessor" if scalar(@_) >= 2;' . "\n"; - } - - if ($attribute->is_lazy) { - $accessor .= $self.'->{'.$key.'} = '; - - $accessor .= $attribute->has_builder - ? $self.'->$builder' - : ref($default) eq 'CODE' - ? '$default->('.$self.')' - : '$default'; - $accessor .= ' if !exists '.$self.'->{'.$key.'};' . "\n"; - } - - if ($should_deref) { - my $type_constraint = $attribute->{type_constraint}; - if (ref($type_constraint) && $type_constraint->name eq 'ArrayRef') { - $accessor .= 'if (wantarray) { - return @{ '.$self.'->{'.$key.'} || [] }; - }'; - } - else { - $accessor .= 'if (wantarray) { - return %{ '.$self.'->{'.$key.'} || {} }; - }'; - } - } - - $accessor .= 'return '.$self.'->{'.$key.'}; - }'; - - my $sub = eval $accessor; - confess $@ if $@; - return $sub; -} - sub generate_predicate { my $attribute = shift; my $key = $attribute->inlined_name; @@ -246,8 +139,10 @@ sub create { # install an accessor if ($attribute->_is_metadata eq 'rw' || $attribute->_is_metadata eq 'ro') { - my $accessor = $attribute->generate_accessor; - $class->add_method($name => $accessor); + my $code = Mouse::Meta::Method::Accessor->generate_accessor_method_inline( + $attribute, + ); + $class->add_method($name => $code); } for my $method (qw/predicate clearer/) { @@ -314,8 +209,7 @@ sub validate_args { confess "You cannot auto-dereference anything other than a ArrayRef or HashRef on attribute ($name)" if $args->{auto_deref} - && $args->{isa} ne 'ArrayRef' - && $args->{isa} ne 'HashRef'; + && $args->{isa} !~ /^(?:ArrayRef|HashRef)(?:\[.*\])?$/; if ($args->{trigger}) { if (ref($args->{trigger}) eq 'HASH') { @@ -330,20 +224,19 @@ sub validate_args { } sub verify_against_type_constraint { - return 1 unless $_[0]->{type_constraint}; + my ($self, $value) = @_; + my $tc = $self->type_constraint; + return 1 unless $tc; - local $_ = $_[1]; - return 1 if $_[0]->{type_constraint}->check($_); + local $_ = $value; + return 1 if $tc->check($value); - my $self = shift; - $self->verify_type_constraint_error($self->name, $_, $self->{type_constraint}); + $self->verify_type_constraint_error($self->name, $value, $tc); } sub verify_type_constraint_error { my($self, $name, $value, $type) = @_; - $type = ref($type) eq 'ARRAY' ? join '|', map { $_->name } @{ $type } : $type->name; - my $display = defined($value) ? overload::StrVal($value) : 'undef'; - Carp::confess("Attribute ($name) does not pass the type constraint because: Validation failed for \'$type\' failed with value $display"); + Carp::confess("Attribute ($name) does not pass the type constraint because: " . $type->get_message($value)); } sub coerce_constraint { ## my($self, $value) = @_;