lib/Moose/Meta/Method/Accessor.pm

   1
   2 package Moose::Meta::Method::Accessor;
   3
   4 use strict;
   5 use warnings;
   6
   7 use Try::Tiny;
   8
   9 use base 'Moose::Meta::Method',
  10          'Class::MOP::Method::Accessor';
  11
  12 # multiple inheritance is terrible
  13 sub new {
  14     goto &Class::MOP::Method::Accessor::new;
  15 }
  16
  17 sub _new {
  18     goto &Class::MOP::Method::Accessor::_new;
  19 }
  20
  21 sub _error_thrower {
  22     my $self = shift;
  23     return $self->associated_attribute
  24         if ref($self) && defined($self->associated_attribute);
  25     return $self->SUPER::_error_thrower;
  26 }
  27
  28 sub _compile_code {
  29     my $self = shift;
  30     my @args = @_;
  31     try {
  32         $self->SUPER::_compile_code(@args);
  33     }
  34     catch {
  35         $self->throw_error(
  36             'Could not create writer for '
  37           . "'" . $self->associated_attribute->name . "' "
  38           . 'because ' . $_,
  39             error => $_,
  40         );
  41     };
  42 }
  43
  44 sub _eval_environment {
  45     my $self = shift;
  46
  47     my $env = { };
  48
  49     my $attr = $self->associated_attribute;
  50
  51     $env->{'$trigger'} = \($attr->trigger)
  52         if $attr->has_trigger;
  53     $env->{'$default'} = \($attr->default)
  54         if $attr->has_default;
  55
  56     if ($attr->has_type_constraint) {
  57         my $tc_obj = $attr->type_constraint;
  58
  59         # is this going to be an issue? it's currently only used for the tc
  60         # message. is there a way to inline that too?
  61         $env->{'$type_constraint_obj'} = \$tc_obj;
  62
  63         $env->{'$type_constraint'} = \(
  64             $tc_obj->_compiled_type_constraint
  65         ) unless $tc_obj->can_be_inlined;
  66         $env->{'$type_coercion'} = \(
  67             $tc_obj->coercion->_compiled_type_coercion
  68         ) if $tc_obj->has_coercion;
  69
  70         $env = { %$env, %{ $tc_obj->inline_environment } };
  71     }
  72
  73     # XXX ugh, fix these
  74     $env->{'$attr'} = \$attr
  75         if $attr->has_initializer && $attr->is_lazy;
  76     # pretty sure this is only going to be closed over if you use a custom
  77     # error class at this point, but we should still get rid of this
  78     # at some point
  79     $env->{'$meta'} = \($self->associated_metaclass);
  80
  81     return $env;
  82 }
  83
  84 sub _instance_is_inlinable {
  85     my $self = shift;
  86     return $self->associated_attribute->associated_class->instance_metaclass->is_inlinable;
  87 }
  88
  89 sub _generate_reader_method {
  90     my $self = shift;
  91     $self->_instance_is_inlinable ? $self->_generate_reader_method_inline(@_)
  92                                   : $self->SUPER::_generate_reader_method(@_);
  93 }
  94
  95 sub _generate_writer_method {
  96     my $self = shift;
  97     $self->_instance_is_inlinable ? $self->_generate_writer_method_inline(@_)
  98                                   : $self->SUPER::_generate_writer_method(@_);
  99 }
 100
 101 sub _generate_accessor_method {
 102     my $self = shift;
 103     $self->_instance_is_inlinable ? $self->_generate_accessor_method_inline(@_)
 104                                   : $self->SUPER::_generate_accessor_method(@_);
 105 }
 106
 107 sub _generate_predicate_method {
 108     my $self = shift;
 109     $self->_instance_is_inlinable ? $self->_generate_predicate_method_inline(@_)
 110                                   : $self->SUPER::_generate_predicate_method(@_);
 111 }
 112
 113 sub _generate_clearer_method {
 114     my $self = shift;
 115     $self->_instance_is_inlinable ? $self->_generate_clearer_method_inline(@_)
 116                                   : $self->SUPER::_generate_clearer_method(@_);
 117 }
 118
 119 sub _writer_value_needs_copy {
 120     shift->associated_attribute->_writer_value_needs_copy(@_);
 121 }
 122
 123 sub _inline_tc_code {
 124     shift->associated_attribute->_inline_tc_code(@_);
 125 }
 126
 127 sub _inline_check_coercion {
 128     shift->associated_attribute->_inline_check_coercion(@_);
 129 }
 130
 131 sub _inline_check_constraint {
 132     shift->associated_attribute->_inline_check_constraint(@_);
 133 }
 134
 135 sub _inline_check_lazy {
 136     shift->associated_attribute->_inline_check_lazy(@_);
 137 }
 138
 139 sub _inline_store_value {
 140     shift->associated_attribute->_inline_instance_set(@_) . ';';
 141 }
 142
 143 sub _inline_get_old_value_for_trigger {
 144     shift->associated_attribute->_inline_get_old_value_for_trigger(@_);
 145 }
 146
 147 sub _inline_trigger {
 148     shift->associated_attribute->_inline_trigger(@_);
 149 }
 150
 151 sub _get_value {
 152     shift->associated_attribute->_inline_instance_get(@_);
 153 }
 154
 155 sub _has_value {
 156     shift->associated_attribute->_inline_instance_has(@_);
 157 }
 158
 159 1;
 160
 161 # ABSTRACT: A Moose Method metaclass for accessors
 162
 163 __END__
 164
 165 =pod
 166
 167 =head1 DESCRIPTION
 168
 169 This class is a subclass of L<Class::MOP::Method::Accessor> that
 170 provides additional Moose-specific functionality, all of which is
 171 private.
 172
 173 To understand this class, you should read the the
 174 L<Class::MOP::Method::Accessor> documentation.
 175
 176 =head1 BUGS
 177
 178 See L<Moose/BUGS> for details on reporting bugs.
 179
 180 =cut