Profile of /usr/local/lib/perl5/site_perl/5.10.1/darwin-2level/Moose/Meta/Method/Constructor.pm

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NYTProf Performance Profile «block view•line view•sub view»
For 01.HTTP.t
Run on Tue May 4 15:25:55 2010
Reported on Tue May 4 15:26:24 2010

File | /usr/local/lib/perl5/site_perl/5.10.1/darwin-2level/Moose/Meta/Method/Constructor.pm
Statements Executed | 205
Statement Execution Time | 1.95ms

Subroutines — ordered by exclusive time
Calls | P | F | Exclusive Time | Inclusive Time | Subroutine
--- | --- | --- | --- | --- | ---
4 | 1 | 1 | 229µs | 487µs | Moose::Meta::Method::Constructor::::_generate_slot_initializerMoose::Meta::Method::Constructor::_generate_slot_initializer
1 | 1 | 1 | 203µs | 1.70ms | Moose::Meta::Method::Constructor::::newMoose::Meta::Method::Constructor::new
6 | 3 | 1 | 102µs | 169µs | Moose::Meta::Method::Constructor::::_generate_slot_assignmentMoose::Meta::Method::Constructor::_generate_slot_assignment
1 | 1 | 1 | 91µs | 1.49ms | Moose::Meta::Method::Constructor::::_initialize_bodyMoose::Meta::Method::Constructor::_initialize_body
1 | 1 | 1 | 39µs | 58µs | Moose::Meta::Method::Constructor::::_generate_triggersMoose::Meta::Method::Constructor::_generate_triggers
1 | 1 | 1 | 33µs | 563µs | Moose::Meta::Method::Constructor::::_generate_slot_initializersMoose::Meta::Method::Constructor::_generate_slot_initializers
1 | 1 | 1 | 25µs | 268µs | Moose::Meta::Method::Constructor::::_generate_BUILDARGSMoose::Meta::Method::Constructor::_generate_BUILDARGS
1 | 1 | 1 | 23µs | 41µs | Moose::Meta::Method::Constructor::::_generate_instanceMoose::Meta::Method::Constructor::_generate_instance
1 | 1 | 1 | 15µs | 18µs | Moose::Meta::Method::Constructor::::BEGIN@4Moose::Meta::Method::Constructor::BEGIN@4
4 | 2 | 1 | 15µs | 19µs | Moose::Meta::Method::Constructor::::_generate_type_constraint_and_coercionMoose::Meta::Method::Constructor::_generate_type_constraint_and_coercion
1 | 1 | 1 | 13µs | 116µs | Moose::Meta::Method::Constructor::::_generate_BUILDALLMoose::Meta::Method::Constructor::_generate_BUILDALL
2 | 1 | 1 | 11µs | 16µs | Moose::Meta::Method::Constructor::::_generate_default_valueMoose::Meta::Method::Constructor::_generate_default_value
1 | 1 | 1 | 10µs | 278µs | Moose::Meta::Method::Constructor::::_generate_paramsMoose::Meta::Method::Constructor::_generate_params
1 | 1 | 1 | 8µs | 17µs | Moose::Meta::Method::Constructor::::BEGIN@5Moose::Meta::Method::Constructor::BEGIN@5
1 | 1 | 1 | 7µs | 83µs | Moose::Meta::Method::Constructor::::BEGIN@12Moose::Meta::Method::Constructor::BEGIN@12
1 | 1 | 1 | 7µs | 51µs | Moose::Meta::Method::Constructor::::BEGIN@7Moose::Meta::Method::Constructor::BEGIN@7
0 | 0 | 0 | 0s | 0s | Moose::Meta::Method::Constructor::::_generate_type_coercionMoose::Meta::Method::Constructor::_generate_type_coercion
0 | 0 | 0 | 0s | 0s | Moose::Meta::Method::Constructor::::_generate_type_constraint_checkMoose::Meta::Method::Constructor::_generate_type_constraint_check

Call graph for these subroutines as a Graphviz dot language file.

Line | State ments | Time on line | Calls | Time in subs | Code
--- | --- | --- | --- | --- | ---
1 |  |  |  |  |
2 |  |  |  |  | package Moose::Meta::Method::Constructor;
3 |  |  |  |  |
4 | 3 | 25µs | 2 | 21µs | # spent 18µs (15+3) within Moose::Meta::Method::Constructor::BEGIN@4 which was called # once (15µs+3µs) by Moose::Meta::Class::BEGIN@22 at line 4 use strict; # spent 18µs making 1 call to Moose::Meta::Method::Constructor::BEGIN@4 # spent 3µs making 1 call to strict::import
5 | 3 | 24µs | 2 | 27µs | # spent 17µs (8+10) within Moose::Meta::Method::Constructor::BEGIN@5 which was called # once (8µs+10µs) by Moose::Meta::Class::BEGIN@22 at line 5 use warnings; # spent 17µs making 1 call to Moose::Meta::Method::Constructor::BEGIN@5 # spent 10µs making 1 call to warnings::import
6 |  |  |  |  |
7 | 3 | 46µs | 2 | 96µs | # spent 51µs (7+45) within Moose::Meta::Method::Constructor::BEGIN@7 which was called # once (7µs+45µs) by Moose::Meta::Class::BEGIN@22 at line 7 use Scalar::Util 'blessed', 'weaken', 'looks_like_number', 'refaddr'; # spent 51µs making 1 call to Moose::Meta::Method::Constructor::BEGIN@7 # spent 45µs making 1 call to Exporter::import
8 |  |  |  |  |
9 | 1 | 600ns |  |  | our $VERSION = '0.98';
10 | 1 | 300ns |  |  | our $AUTHORITY = 'cpan:STEVAN';
11 |  |  |  |  |
12 | 1 | 4µs | 1 | 76µs | # spent 83µs (7+76) within Moose::Meta::Method::Constructor::BEGIN@12 which was called # once (7µs+76µs) by Moose::Meta::Class::BEGIN@22 at line 13 use base 'Moose::Meta::Method', # spent 76µs making 1 call to base::import
13 | 2 | 1.17ms | 1 | 83µs | 'Class::MOP::Method::Constructor'; # spent 83µs making 1 call to Moose::Meta::Method::Constructor::BEGIN@12
14 |  |  |  |  |
15 |  |  |  |  | # spent 1.70ms (203µs+1.49) within Moose::Meta::Method::Constructor::new which was called # once (203µs+1.49ms) by Class::MOP::Class::_inline_constructor at line 1055 of Class/MOP/Class.pm sub new {
16 | 1 | 1µs |  |  | my $class = shift;
17 | 1 | 3µs |  |  | my %options = @_;
18 |  |  |  |  |
19 | 1 | 800ns |  |  | my $meta = $options{metaclass};
20 |  |  |  |  |
21 | 1 | 1µs |  |  | (ref $options{options} eq 'HASH')
22 |  |  |  |  | || $class->throw_error("You must pass a hash of options", data => $options{options});
23 |  |  |  |  |
24 | 1 | 800ns |  |  | ($options{package_name} && $options{name})
25 |  |  |  |  | || $class->throw_error("You must supply the package_name and name parameters $Class::MOP::Method::UPGRADE_ERROR_TEXT");
26 |  |  |  |  |
27 | 1 | 185µs |  |  | my $self = bless {
28 |  |  |  |  | 'body' => undef,
29 |  |  |  |  | 'package_name' => $options{package_name},
30 |  |  |  |  | 'name' => $options{name},
31 |  |  |  |  | 'options' => $options{options},
32 |  |  |  |  | 'associated_metaclass' => $meta,
33 |  |  |  |  | '_expected_method_class' => $options{_expected_method_class} || 'Moose::Object',
34 |  |  |  |  | } => $class;
35 |  |  |  |  |
36 |  |  |  |  | # we don't want this creating
37 |  |  |  |  | # a cycle in the code, if not
38 |  |  |  |  | # needed
39 | 1 | 4µs | 1 | 900ns | weaken($self->{'associated_metaclass'}); # spent 900ns making 1 call to Scalar::Util::weaken
40 |  |  |  |  |
41 | 1 | 2µs | 1 | 1.49ms | $self->_initialize_body; # spent 1.49ms making 1 call to Moose::Meta::Method::Constructor::_initialize_body
42 |  |  |  |  |
43 | 1 | 4µs |  |  | return $self;
44 |  |  |  |  | }
45 |  |  |  |  |
46 |  |  |  |  | ## method
47 |  |  |  |  |
48 |  |  |  |  | # spent 1.49ms (91µs+1.40) within Moose::Meta::Method::Constructor::_initialize_body which was called # once (91µs+1.40ms) by Moose::Meta::Method::Constructor::new at line 41 sub _initialize_body {
49 | 1 | 600ns |  |  | my $self = shift;
50 |  |  |  |  | # TODO:
51 |  |  |  |  | # the %options should also include a both
52 |  |  |  |  | # a call 'initializer' and call 'SUPER::'
53 |  |  |  |  | # options, which should cover approx 90%
54 |  |  |  |  | # of the possible use cases (even if it
55 |  |  |  |  | # requires some adaption on the part of
56 |  |  |  |  | # the author, after all, nothing is free)
57 | 1 | 700ns |  |  | my $source = 'sub {';
58 | 1 | 700ns |  |  | $source .= "\n" . 'my $_instance = shift;';
59 |  |  |  |  |
60 | 1 | 600ns |  |  | $source .= "\n" . 'my $class = Scalar::Util::blessed($_instance) || $_instance;';
61 |  |  |  |  |
62 | 1 | 500ns |  |  | $source .= "\n" . 'return $class->Moose::Object::new(@_)';
63 | 1 | 8µs | 2 | 3µs | $source .= "\n if \$class ne '" . $self->associated_metaclass->name # spent 2µs making 1 call to Class::MOP::Method::associated_metaclass # spent 600ns making 1 call to Class::MOP::Package::name
64 |  |  |  |  | . "';\n";
65 |  |  |  |  |
66 | 1 | 3µs | 1 | 278µs | $source .= $self->_generate_params('$params', '$class'); # spent 278µs making 1 call to Moose::Meta::Method::Constructor::_generate_params
67 | 1 | 7µs | 1 | 41µs | $source .= $self->_generate_instance('$instance', '$class'); # spent 41µs making 1 call to Moose::Meta::Method::Constructor::_generate_instance
68 | 1 | 4µs | 1 | 563µs | $source .= $self->_generate_slot_initializers; # spent 563µs making 1 call to Moose::Meta::Method::Constructor::_generate_slot_initializers
69 |  |  |  |  |
70 | 1 | 3µs | 1 | 58µs | $source .= $self->_generate_triggers(); # spent 58µs making 1 call to Moose::Meta::Method::Constructor::_generate_triggers
71 | 1 | 3µs | 1 | 116µs | $source .= ";\n" . $self->_generate_BUILDALL(); # spent 116µs making 1 call to Moose::Meta::Method::Constructor::_generate_BUILDALL
72 |  |  |  |  |
73 | 1 | 300ns |  |  | $source .= ";\nreturn \$instance";
74 | 1 | 400ns |  |  | $source .= ";\n" . '}';
75 | 1 | 7µs | 1 | 2µs | warn $source if $self->options->{debug}; # spent 2µs making 1 call to Class::MOP::Method::Constructor::options
76 |  |  |  |  |
77 |  |  |  |  | # We need to check if the attribute ->can('type_constraint')
78 |  |  |  |  | # since we may be trying to immutabilize a Moose meta class,
79 |  |  |  |  | # which in turn has attributes which are Class::MOP::Attribute
80 |  |  |  |  | # objects, rather than Moose::Meta::Attribute. And
81 |  |  |  |  | # Class::MOP::Attribute attributes have no type constraints.
82 |  |  |  |  | # However we need to make sure we leave an undef value there
83 |  |  |  |  | # because the inlined code is using the index of the attributes
84 |  |  |  |  | # to determine where to find the type constraint
85 |  |  |  |  |
86 | 1 | 2µs | 1 | 1µs | my $attrs = $self->_attributes; # spent 1µs making 1 call to Class::MOP::Method::Constructor::_attributes
87 |  |  |  |  |
88 | 4 | 13µs | 8 | 7µs | my @type_constraints = map { # spent 4µs making 4 calls to Moose::Meta::Mixin::AttributeCore::type_constraint, avg 1µs/call # spent 3µs making 4 calls to UNIVERSAL::can, avg 650ns/call
89 | 1 | 3µs |  |  | $_->can('type_constraint') ? $_->type_constraint : undef
90 |  |  |  |  | } @$attrs;
91 |  |  |  |  |
92 | 4 | 800ns |  |  | my @type_constraint_bodies = map {
93 | 1 | 2µs |  |  | defined $_ ? $_->_compiled_type_constraint : undef;
94 |  |  |  |  | } @type_constraints;
95 |  |  |  |  |
96 | 1 | 9µs | 1 | 333µs | my ( $code, $e ) = $self->_compile_code( # spent 333µs making 1 call to Class::MOP::Method::Generated::_compile_code
97 |  |  |  |  | code => $source,
98 |  |  |  |  | environment => {
99 |  |  |  |  | '$meta' => \$self,
100 |  |  |  |  | '$attrs' => \$attrs,
101 |  |  |  |  | '@type_constraints' => \@type_constraints,
102 |  |  |  |  | '@type_constraint_bodies' => \@type_constraint_bodies,
103 |  |  |  |  | },
104 |  |  |  |  | );
105 |  |  |  |  |
106 | 1 | 400ns |  |  | $self->throw_error(
107 |  |  |  |  | "Could not eval the constructor :\n\n$source\n\nbecause :\n\n$e",
108 |  |  |  |  | error => $e, data => $source )
109 |  |  |  |  | if $e;
110 |  |  |  |  |
111 | 1 | 4µs |  |  | $self->{'body'} = $code;
112 |  |  |  |  | }
113 |  |  |  |  |
114 |  |  |  |  | # spent 278µs (10+268) within Moose::Meta::Method::Constructor::_generate_params which was called # once (10µs+268µs) by Moose::Meta::Method::Constructor::_initialize_body at line 66 sub _generate_params {
115 | 1 | 1µs |  |  | my ( $self, $var, $class_var ) = @_;
116 | 1 | 8µs | 1 | 268µs | "my $var = " . $self->_generate_BUILDARGS( $class_var, '@_' ) . ";\n"; # spent 268µs making 1 call to Moose::Meta::Method::Constructor::_generate_BUILDARGS
117 |  |  |  |  | }
118 |  |  |  |  |
119 |  |  |  |  | # spent 41µs (23+18) within Moose::Meta::Method::Constructor::_generate_instance which was called # once (23µs+18µs) by Moose::Meta::Method::Constructor::_initialize_body at line 67 sub _generate_instance {
120 | 1 | 1µs |  |  | my ( $self, $var, $class_var ) = @_;
121 | 1 | 14µs | 2 | 18µs | "my $var = " # spent 15µs making 1 call to Class::MOP::Method::Constructor::_meta_instance # spent 3µs making 1 call to Class::MOP::Instance::inline_create_instance
122 |  |  |  |  | . $self->_meta_instance->inline_create_instance($class_var) . ";\n";
123 |  |  |  |  | }
124 |  |  |  |  |
125 |  |  |  |  | # spent 563µs (33+530) within Moose::Meta::Method::Constructor::_generate_slot_initializers which was called # once (33µs+530µs) by Moose::Meta::Method::Constructor::_initialize_body at line 68 sub _generate_slot_initializers {
126 | 1 | 700ns |  |  | my ($self) = @_;
127 | 4 | 5µs | 4 | 487µs | return (join ";\n" => map { # spent 487µs making 4 calls to Moose::Meta::Method::Constructor::_generate_slot_initializer, avg 122µs/call
128 |  |  |  |  | $self->_generate_slot_initializer($_)
129 | 1 | 22µs | 1 | 42µs | } 0 .. (@{$self->_attributes} - 1)) . ";\n"; # spent 42µs making 1 call to Class::MOP::Method::Constructor::_attributes
130 |  |  |  |  | }
131 |  |  |  |  |
132 |  |  |  |  | # spent 268µs (25+243) within Moose::Meta::Method::Constructor::_generate_BUILDARGS which was called # once (25µs+243µs) by Moose::Meta::Method::Constructor::_generate_params at line 116 sub _generate_BUILDARGS {
133 | 1 | 1µs |  |  | my ( $self, $class, $args ) = @_;
134 |  |  |  |  |
135 | 1 | 6µs | 2 | 240µs | my $buildargs = $self->associated_metaclass->find_method_by_name("BUILDARGS"); # spent 239µs making 1 call to Class::MOP::Class::find_method_by_name # spent 700ns making 1 call to Class::MOP::Method::associated_metaclass
136 |  |  |  |  |
137 | 1 | 16µs | 2 | 3µs | if ( $args eq '@_' and ( !$buildargs or $buildargs->body == \&Moose::Object::BUILDARGS ) ) { # spent 2µs making 1 call to Moose::Meta::Method::_inline_throw_error # spent 700ns making 1 call to Class::MOP::Method::body
138 |  |  |  |  | return join("\n",
139 |  |  |  |  | 'do {',
140 |  |  |  |  | $self->_inline_throw_error('"Single parameters to new() must be a HASH ref"', 'data => $_[0]'),
141 |  |  |  |  | ' if scalar @_ == 1 && !( defined $_[0] && ref $_[0] eq q{HASH} );',
142 |  |  |  |  | '(scalar @_ == 1) ? {%{$_[0]}} : {@_};',
143 |  |  |  |  | '}',
144 |  |  |  |  | );
145 |  |  |  |  | } else {
146 |  |  |  |  | return $class . "->BUILDARGS($args)";
147 |  |  |  |  | }
148 |  |  |  |  | }
149 |  |  |  |  |
150 |  |  |  |  | # spent 116µs (13+103) within Moose::Meta::Method::Constructor::_generate_BUILDALL which was called # once (13µs+103µs) by Moose::Meta::Method::Constructor::_initialize_body at line 71 sub _generate_BUILDALL {
151 | 1 | 500ns |  |  | my $self = shift;
152 | 1 | 200ns |  |  | my @BUILD_calls;
153 | 1 | 7µs | 2 | 103µs | foreach my $method (reverse $self->associated_metaclass->find_all_methods_by_name('BUILD')) { # spent 102µs making 1 call to Class::MOP::Class::find_all_methods_by_name # spent 1µs making 1 call to Class::MOP::Method::associated_metaclass
154 |  |  |  |  | push @BUILD_calls => '$instance->' . $method->{class} . '::BUILD($params)';
155 |  |  |  |  | }
156 | 1 | 4µs |  |  | return join ";\n" => @BUILD_calls;
157 |  |  |  |  | }
158 |  |  |  |  |
159 |  |  |  |  | # spent 58µs (39+19) within Moose::Meta::Method::Constructor::_generate_triggers which was called # once (39µs+19µs) by Moose::Meta::Method::Constructor::_initialize_body at line 70 sub _generate_triggers {
160 | 1 | 400ns |  |  | my $self = shift;
161 | 1 | 400ns |  |  | my @trigger_calls;
162 | 1 | 6µs | 1 | 1µs | foreach my $i ( 0 .. $#{ $self->_attributes } ) { # spent 1µs making 1 call to Class::MOP::Method::Constructor::_attributes
163 | 4 | 4µs | 4 | 5µs | my $attr = $self->_attributes->[$i]; # spent 5µs making 4 calls to Class::MOP::Method::Constructor::_attributes, avg 1µs/call
164 |  |  |  |  |
165 | 4 | 20µs | 8 | 13µs | next unless $attr->can('has_trigger') && $attr->has_trigger; # spent 8µs making 4 calls to UNIVERSAL::can, avg 2µs/call # spent 5µs making 4 calls to Moose::Meta::Mixin::AttributeCore::has_trigger, avg 1µs/call
166 |  |  |  |  |
167 |  |  |  |  | my $init_arg = $attr->init_arg;
168 |  |  |  |  |
169 |  |  |  |  | next unless defined $init_arg;
170 |  |  |  |  |
171 |  |  |  |  | push @trigger_calls => '(exists $params->{\''
172 |  |  |  |  | . $init_arg
173 |  |  |  |  | . '\'}) && do {'
174 |  |  |  |  | . "\n "
175 |  |  |  |  | . '$attrs->['
176 |  |  |  |  | . $i
177 |  |  |  |  | . ']->trigger->('
178 |  |  |  |  | . '$instance, '
179 |  |  |  |  | . $self->_meta_instance->inline_get_slot_value(
180 |  |  |  |  | '$instance',
181 |  |  |  |  | $attr->name,
182 |  |  |  |  | )
183 |  |  |  |  | . ', '
184 |  |  |  |  | . ');' . "\n}";
185 |  |  |  |  | }
186 |  |  |  |  |
187 | 1 | 4µs |  |  | return join ";\n" => @trigger_calls;
188 |  |  |  |  | }
189 |  |  |  |  |
190 |  |  |  |  | # spent 487µs (229+258) within Moose::Meta::Method::Constructor::_generate_slot_initializer which was called 4 times, avg 122µs/call: # 4 times (229µs+258µs) by Moose::Meta::Method::Constructor::_generate_slot_initializers at line 127, avg 122µs/call sub _generate_slot_initializer {
191 | 4 | 1µs |  |  | my $self = shift;
192 | 4 | 800ns |  |  | my $index = shift;
193 |  |  |  |  |
194 | 4 | 5µs | 4 | 5µs | my $attr = $self->_attributes->[$index]; # spent 5µs making 4 calls to Class::MOP::Method::Constructor::_attributes, avg 1µs/call
195 |  |  |  |  |
196 | 4 | 13µs | 4 | 2µs | my @source = ('## ' . $attr->name); # spent 2µs making 4 calls to Class::MOP::Mixin::AttributeCore::name, avg 600ns/call
197 |  |  |  |  |
198 | 4 | 11µs | 4 | 3µs | my $is_moose = $attr->isa('Moose::Meta::Attribute'); # XXX FIXME # spent 3µs making 4 calls to UNIVERSAL::isa, avg 725ns/call
199 |  |  |  |  |
200 | 4 | 48µs | 18 | 24µs | if ($is_moose && defined($attr->init_arg) && $attr->is_required && !$attr->has_default && !$attr->has_builder) { # spent 7µs making 4 calls to Moose::Meta::Mixin::AttributeCore::is_required, avg 2µs/call # spent 6µs making 6 calls to Class::MOP::Mixin::AttributeCore::init_arg, avg 1µs/call # spent 5µs making 2 calls to Moose::Meta::Method::_inline_throw_error, avg 2µs/call # spent 3µs making 2 calls to Class::MOP::Mixin::AttributeCore::has_builder, avg 2µs/call # spent 3µs making 2 calls to Class::MOP::Mixin::AttributeCore::has_default, avg 1µs/call # spent 800ns making 2 calls to Class::MOP::Mixin::AttributeCore::name, avg 400ns/call
201 |  |  |  |  | push @source => ('(exists $params->{\'' . $attr->init_arg . '\'}) ' .
202 |  |  |  |  | '|| ' . $self->_inline_throw_error('"Attribute (' . quotemeta($attr->name) . ') is required"') .';');
203 |  |  |  |  | }
204 |  |  |  |  |
205 | 4 | 12µs | 10 | 10µs | if (($attr->has_default || $attr->has_builder) && !($is_moose && $attr->is_lazy)) { # spent 4µs making 4 calls to Class::MOP::Mixin::AttributeCore::has_default, avg 1µs/call # spent 2µs making 2 calls to Moose::Meta::Mixin::AttributeCore::is_lazy, avg 1µs/call # spent 2µs making 2 calls to Class::MOP::Mixin::AttributeCore::has_builder, avg 900ns/call # spent 2µs making 2 calls to Class::MOP::Mixin::AttributeCore::init_arg, avg 900ns/call
206 |  |  |  |  |
207 | 2 | 3µs | 2 | 2µs | if ( defined( my $init_arg = $attr->init_arg ) ) { # spent 2µs making 2 calls to Class::MOP::Mixin::AttributeCore::init_arg, avg 900ns/call
208 | 2 | 2µs |  |  | push @source => 'if (exists $params->{\'' . $init_arg . '\'}) {';
209 | 2 | 1µs |  |  | push @source => ('my $val = $params->{\'' . $init_arg . '\'};');
210 | 2 | 3µs | 2 | 11µs | push @source => $self->_generate_type_constraint_and_coercion($attr, $index) # spent 11µs making 2 calls to Moose::Meta::Method::Constructor::_generate_type_constraint_and_coercion, avg 6µs/call
211 |  |  |  |  | if $is_moose;
212 | 2 | 2µs | 2 | 48µs | push @source => $self->_generate_slot_assignment($attr, '$val', $index); # spent 48µs making 2 calls to Moose::Meta::Method::Constructor::_generate_slot_assignment, avg 24µs/call
213 | 2 | 1µs |  |  | push @source => "} else {";
214 |  |  |  |  | }
215 | 2 | 500ns |  |  | my $default;
216 | 2 | 6µs | 4 | 18µs | if ( $attr->has_default ) { # spent 16µs making 2 calls to Moose::Meta::Method::Constructor::_generate_default_value, avg 8µs/call # spent 2µs making 2 calls to Class::MOP::Mixin::AttributeCore::has_default, avg 1µs/call
217 |  |  |  |  | $default = $self->_generate_default_value($attr, $index);
218 |  |  |  |  | }
219 |  |  |  |  | else {
220 |  |  |  |  | my $builder = $attr->builder;
221 |  |  |  |  | $default = '$instance->' . $builder;
222 |  |  |  |  | }
223 |  |  |  |  |
224 | 2 | 1µs |  |  | push @source => '{'; # wrap this to avoid my $val overwrite warnings
225 | 2 | 2µs |  |  | push @source => ('my $val = ' . $default . ';');
226 | 2 | 3µs | 2 | 8µs | push @source => $self->_generate_type_constraint_and_coercion($attr, $index) # spent 8µs making 2 calls to Moose::Meta::Method::Constructor::_generate_type_constraint_and_coercion, avg 4µs/call
227 |  |  |  |  | if $is_moose;
228 | 2 | 3µs | 2 | 44µs | push @source => $self->_generate_slot_assignment($attr, '$val', $index); # spent 44µs making 2 calls to Moose::Meta::Method::Constructor::_generate_slot_assignment, avg 22µs/call
229 | 2 | 800ns |  |  | push @source => '}'; # close - wrap this to avoid my $val overrite warnings
230 |  |  |  |  |
231 | 2 | 3µs | 2 | 2µs | push @source => "}" if defined $attr->init_arg; # spent 2µs making 2 calls to Class::MOP::Mixin::AttributeCore::init_arg, avg 1µs/call
232 |  |  |  |  | }
233 |  |  |  |  | elsif ( defined( my $init_arg = $attr->init_arg ) ) {
234 | 2 | 2µs |  |  | push @source => '(exists $params->{\'' . $init_arg . '\'}) && do {';
235 |  |  |  |  |
236 | 2 | 2µs |  |  | push @source => ('my $val = $params->{\'' . $init_arg . '\'};');
237 | 2 | 9µs | 2 | 4µs | if ($is_moose && $attr->has_type_constraint) { # spent 4µs making 2 calls to Moose::Meta::Mixin::AttributeCore::has_type_constraint, avg 2µs/call
238 |  |  |  |  | if ($attr->should_coerce && $attr->type_constraint->has_coercion) {
239 |  |  |  |  | push @source => $self->_generate_type_coercion(
240 |  |  |  |  | $attr,
241 |  |  |  |  | '$type_constraints[' . $index . ']',
242 |  |  |  |  | '$val',
243 |  |  |  |  | '$val'
244 |  |  |  |  | );
245 |  |  |  |  | }
246 |  |  |  |  | push @source => $self->_generate_type_constraint_check(
247 |  |  |  |  | $attr,
248 |  |  |  |  | '$type_constraint_bodies[' . $index . ']',
249 |  |  |  |  | '$type_constraints[' . $index . ']',
250 |  |  |  |  | '$val'
251 |  |  |  |  | );
252 |  |  |  |  | }
253 | 2 | 9µs | 2 | 77µs | push @source => $self->_generate_slot_assignment($attr, '$val', $index); # spent 77µs making 2 calls to Moose::Meta::Method::Constructor::_generate_slot_assignment, avg 38µs/call
254 |  |  |  |  |
255 | 2 | 1µs |  |  | push @source => "}";
256 |  |  |  |  | }
257 |  |  |  |  |
258 | 4 | 16µs |  |  | return join "\n" => @source;
259 |  |  |  |  | }
260 |  |  |  |  |
261 |  |  |  |  | # spent 169µs (102+67) within Moose::Meta::Method::Constructor::_generate_slot_assignment which was called 6 times, avg 28µs/call: # 2 times (50µs+27µs) by Moose::Meta::Method::Constructor::_generate_slot_initializer at line 253, avg 38µs/call # 2 times (26µs+21µs) by Moose::Meta::Method::Constructor::_generate_slot_initializer at line 212, avg 24µs/call # 2 times (25µs+19µs) by Moose::Meta::Method::Constructor::_generate_slot_initializer at line 228, avg 22µs/call sub _generate_slot_assignment {
262 | 6 | 3µs |  |  | my ($self, $attr, $value, $index) = @_;
263 |  |  |  |  |
264 | 6 | 700ns |  |  | my $source;
265 |  |  |  |  |
266 | 6 | 11µs | 6 | 6µs | if ($attr->has_initializer) { # spent 6µs making 6 calls to Class::MOP::Mixin::AttributeCore::has_initializer, avg 1µs/call
267 |  |  |  |  | $source = (
268 |  |  |  |  | '$attrs->[' . $index . ']->set_initial_value($instance, ' . $value . ');'
269 |  |  |  |  | );
270 |  |  |  |  | }
271 |  |  |  |  | else {
272 | 6 | 29µs | 18 | 47µs | $source = ( # spent 37µs making 6 calls to Class::MOP::Instance::inline_set_slot_value, avg 6µs/call # spent 8µs making 6 calls to Class::MOP::Method::Constructor::_meta_instance, avg 1µs/call # spent 3µs making 6 calls to Class::MOP::Mixin::AttributeCore::name, avg 467ns/call
273 |  |  |  |  | $self->_meta_instance->inline_set_slot_value(
274 |  |  |  |  | '$instance',
275 |  |  |  |  | $attr->name,
276 |  |  |  |  | $value
277 |  |  |  |  | ) . ';'
278 |  |  |  |  | );
279 |  |  |  |  | }
280 |  |  |  |  |
281 | 6 | 16µs | 6 | 4µs | my $is_moose = $attr->isa('Moose::Meta::Attribute'); # XXX FIXME # spent 4µs making 6 calls to UNIVERSAL::isa, avg 700ns/call
282 |  |  |  |  |
283 | 6 | 11µs | 6 | 9µs | if ($is_moose && $attr->is_weak_ref) { # spent 9µs making 6 calls to Moose::Meta::Mixin::AttributeCore::is_weak_ref, avg 2µs/call
284 |  |  |  |  | $source .= (
285 |  |  |  |  | "\n" .
286 |  |  |  |  | $self->_meta_instance->inline_weaken_slot_value(
287 |  |  |  |  | '$instance',
288 |  |  |  |  | $attr->name
289 |  |  |  |  | ) .
290 |  |  |  |  | ' if ref ' . $value . ';'
291 |  |  |  |  | );
292 |  |  |  |  | }
293 |  |  |  |  |
294 | 6 | 16µs |  |  | return $source;
295 |  |  |  |  | }
296 |  |  |  |  |
297 |  |  |  |  | # spent 19µs (15+4) within Moose::Meta::Method::Constructor::_generate_type_constraint_and_coercion which was called 4 times, avg 5µs/call: # 2 times (9µs+2µs) by Moose::Meta::Method::Constructor::_generate_slot_initializer at line 210, avg 6µs/call # 2 times (6µs+2µs) by Moose::Meta::Method::Constructor::_generate_slot_initializer at line 226, avg 4µs/call sub _generate_type_constraint_and_coercion {
298 | 4 | 2µs |  |  | my ($self, $attr, $index) = @_;
299 |  |  |  |  |
300 | 4 | 12µs | 4 | 4µs | return unless $attr->has_type_constraint; # spent 4µs making 4 calls to Moose::Meta::Mixin::AttributeCore::has_type_constraint, avg 1µs/call
301 |  |  |  |  |
302 |  |  |  |  | my @source;
303 |  |  |  |  | if ($attr->should_coerce && $attr->type_constraint->has_coercion) {
304 |  |  |  |  | push @source => $self->_generate_type_coercion(
305 |  |  |  |  | $attr,
306 |  |  |  |  | '$type_constraints[' . $index . ']',
307 |  |  |  |  | '$val',
308 |  |  |  |  | '$val'
309 |  |  |  |  | );
310 |  |  |  |  | }
311 |  |  |  |  | push @source => $self->_generate_type_constraint_check(
312 |  |  |  |  | $attr,
313 |  |  |  |  | ('$type_constraint_bodies[' . $index . ']'),
314 |  |  |  |  | ('$type_constraints[' . $index . ']'),
315 |  |  |  |  | '$val'
316 |  |  |  |  | );
317 |  |  |  |  | return @source;
318 |  |  |  |  | }
319 |  |  |  |  |
320 |  |  |  |  | sub _generate_type_coercion {
321 |  |  |  |  | my ($self, $attr, $type_constraint_name, $value_name, $return_value_name) = @_;
322 |  |  |  |  | return ($return_value_name . ' = ' . $type_constraint_name . '->coerce(' . $value_name . ');');
323 |  |  |  |  | }
324 |  |  |  |  |
325 |  |  |  |  | sub _generate_type_constraint_check {
326 |  |  |  |  | my ($self, $attr, $type_constraint_cv, $type_constraint_obj, $value_name) = @_;
327 |  |  |  |  | return (
328 |  |  |  |  | $self->_inline_throw_error('"Attribute (' # FIXME add 'dad'
329 |  |  |  |  | . quotemeta( $attr->name )
330 |  |  |  |  | . ') does not pass the type constraint because: " . '
331 |  |  |  |  | . $type_constraint_obj . '->get_message(' . $value_name . ')')
332 |  |  |  |  | . "\n\t unless " . $type_constraint_cv . '->(' . $value_name . ');'
333 |  |  |  |  | );
334 |  |  |  |  | }
335 |  |  |  |  |
336 |  |  |  |  | # spent 16µs (11+5) within Moose::Meta::Method::Constructor::_generate_default_value which was called 2 times, avg 8µs/call: # 2 times (11µs+5µs) by Moose::Meta::Method::Constructor::_generate_slot_initializer at line 216, avg 8µs/call sub _generate_default_value {
337 | 2 | 2µs |  |  | my ($self, $attr, $index) = @_;
338 |  |  |  |  | # NOTE:
339 |  |  |  |  | # default values can either be CODE refs
340 |  |  |  |  | # in which case we need to call them. Or
341 |  |  |  |  | # they can be scalars (strings/numbers)
342 |  |  |  |  | # in which case we can just deal with them
343 |  |  |  |  | # in the code we eval.
344 | 2 | 8µs | 2 | 5µs | if ($attr->is_default_a_coderef) { # spent 5µs making 2 calls to Class::MOP::Mixin::AttributeCore::is_default_a_coderef, avg 2µs/call
345 |  |  |  |  | return '$attrs->[' . $index . ']->default($instance)';
346 |  |  |  |  | }
347 |  |  |  |  | else {
348 |  |  |  |  | return q{"} . quotemeta( $attr->default ) . q{"};
349 |  |  |  |  | }
350 |  |  |  |  | }
351 |  |  |  |  |
352 | 1 | 4µs |  |  | 1;
353 |  |  |  |  |
354 |  |  |  |  | __END__
355 |  |  |  |  |
356 |  |  |  |  | =pod
357 |  |  |  |  |
358 |  |  |  |  | =head1 NAME
359 |  |  |  |  |
360 |  |  |  |  | Moose::Meta::Method::Constructor - Method Meta Object for constructors
361 |  |  |  |  |
362 |  |  |  |  | =head1 DESCRIPTION
363 |  |  |  |  |
364 |  |  |  |  | This class is a subclass of L<Class::MOP::Class::Constructor> that
365 |  |  |  |  | provides additional Moose-specific functionality
366 |  |  |  |  |
367 |  |  |  |  | To understand this class, you should read the the
368 |  |  |  |  | L<Class::MOP::Class::Constructor> documentation as well.
369 |  |  |  |  |
370 |  |  |  |  | =head1 INHERITANCE
371 |  |  |  |  |
372 |  |  |  |  | C<Moose::Meta::Method::Constructor> is a subclass of
373 |  |  |  |  | L<Moose::Meta::Method> I<and> L<Class::MOP::Method::Constructor>.
374 |  |  |  |  |
375 |  |  |  |  | =head1 BUGS
376 |  |  |  |  |
377 |  |  |  |  | See L<Moose/BUGS> for details on reporting bugs.
378 |  |  |  |  |
379 |  |  |  |  | =head1 AUTHORS
380 |  |  |  |  |
381 |  |  |  |  | Stevan Little E<lt>stevan@iinteractive.comE<gt>
382 |  |  |  |  |
383 |  |  |  |  | =head1 COPYRIGHT AND LICENSE
384 |  |  |  |  |
385 |  |  |  |  | Copyright 2006-2010 by Infinity Interactive, Inc.
386 |  |  |  |  |
387 |  |  |  |  | L<http://www.iinteractive.com>
388 |  |  |  |  |
389 |  |  |  |  | This library is free software; you can redistribute it and/or modify
390 |  |  |  |  | it under the same terms as Perl itself.
391 |  |  |  |  |
392 |  |  |  |  | =cut
393 |  |  |  |  |