Filename | /Users/ap13/perl5/lib/perl5/darwin-2level/Moose/Meta/Method/Delegation.pm |
Statements | Executed 12 statements in 534µs |
Calls | P | F | Exclusive Time |
Inclusive Time |
Subroutine |
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1 | 1 | 1 | 13µs | 26µs | BEGIN@4 | Moose::Meta::Method::Delegation::
1 | 1 | 1 | 11µs | 16µs | BEGIN@5 | Moose::Meta::Method::Delegation::
1 | 1 | 1 | 9µs | 144µs | BEGIN@12 | Moose::Meta::Method::Delegation::
1 | 1 | 1 | 8µs | 36µs | BEGIN@7 | Moose::Meta::Method::Delegation::
1 | 1 | 1 | 7µs | 37µs | BEGIN@9 | Moose::Meta::Method::Delegation::
0 | 0 | 0 | 0s | 0s | __ANON__[:111] | Moose::Meta::Method::Delegation::
0 | 0 | 0 | 0s | 0s | _get_delegate_accessor | Moose::Meta::Method::Delegation::
0 | 0 | 0 | 0s | 0s | _initialize_body | Moose::Meta::Method::Delegation::
0 | 0 | 0 | 0s | 0s | _new | Moose::Meta::Method::Delegation::
0 | 0 | 0 | 0s | 0s | associated_attribute | Moose::Meta::Method::Delegation::
0 | 0 | 0 | 0s | 0s | curried_arguments | Moose::Meta::Method::Delegation::
0 | 0 | 0 | 0s | 0s | delegate_to_method | Moose::Meta::Method::Delegation::
0 | 0 | 0 | 0s | 0s | new | Moose::Meta::Method::Delegation::
Line | State ments |
Time on line |
Calls | Time in subs |
Code |
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1 | package Moose::Meta::Method::Delegation; | ||||
2 | 1 | 600ns | our $VERSION = '2.1403'; | ||
3 | |||||
4 | 2 | 22µs | 2 | 39µs | # spent 26µs (13+13) within Moose::Meta::Method::Delegation::BEGIN@4 which was called:
# once (13µs+13µs) by Moose::Meta::Attribute::BEGIN@14 at line 4 # spent 26µs making 1 call to Moose::Meta::Method::Delegation::BEGIN@4
# spent 13µs making 1 call to strict::import |
5 | 2 | 24µs | 2 | 20µs | # spent 16µs (11+4) within Moose::Meta::Method::Delegation::BEGIN@5 which was called:
# once (11µs+4µs) by Moose::Meta::Attribute::BEGIN@14 at line 5 # spent 16µs making 1 call to Moose::Meta::Method::Delegation::BEGIN@5
# spent 4µs making 1 call to warnings::import |
6 | |||||
7 | 2 | 26µs | 2 | 65µs | # spent 36µs (8+29) within Moose::Meta::Method::Delegation::BEGIN@7 which was called:
# once (8µs+29µs) by Moose::Meta::Attribute::BEGIN@14 at line 7 # spent 36µs making 1 call to Moose::Meta::Method::Delegation::BEGIN@7
# spent 29µs making 1 call to Exporter::import |
8 | |||||
9 | 1 | 400ns | # spent 37µs (7+30) within Moose::Meta::Method::Delegation::BEGIN@9 which was called:
# once (7µs+30µs) by Moose::Meta::Attribute::BEGIN@14 at line 10 | ||
10 | 1 | 27µs | 2 | 66µs | 'Class::MOP::Method::Generated'; # spent 37µs making 1 call to Moose::Meta::Method::Delegation::BEGIN@9
# spent 30µs making 1 call to parent::import |
11 | |||||
12 | 2 | 431µs | 2 | 278µs | # spent 144µs (9+135) within Moose::Meta::Method::Delegation::BEGIN@12 which was called:
# once (9µs+135µs) by Moose::Meta::Attribute::BEGIN@14 at line 12 # spent 144µs making 1 call to Moose::Meta::Method::Delegation::BEGIN@12
# spent 135µs making 1 call to Sub::Exporter::__ANON__[Sub/Exporter.pm:337] |
13 | |||||
14 | sub new { | ||||
15 | my $class = shift; | ||||
16 | my %options = @_; | ||||
17 | |||||
18 | ( exists $options{attribute} ) | ||||
19 | || throw_exception( MustSupplyAnAttributeToConstructWith => params => \%options, | ||||
20 | class => $class | ||||
21 | ); | ||||
22 | |||||
23 | ( blessed( $options{attribute} ) | ||||
24 | && $options{attribute}->isa('Moose::Meta::Attribute') ) | ||||
25 | || throw_exception( MustSupplyAMooseMetaAttributeInstance => params => \%options, | ||||
26 | class => $class | ||||
27 | ); | ||||
28 | |||||
29 | ( $options{package_name} && $options{name} ) | ||||
30 | || throw_exception( MustSupplyPackageNameAndName => params => \%options, | ||||
31 | class => $class | ||||
32 | ); | ||||
33 | |||||
34 | ( $options{delegate_to_method} && ( !ref $options{delegate_to_method} ) | ||||
35 | || ( 'CODE' eq ref $options{delegate_to_method} ) ) | ||||
36 | || throw_exception( MustSupplyADelegateToMethod => params => \%options, | ||||
37 | class => $class | ||||
38 | ); | ||||
39 | |||||
40 | exists $options{curried_arguments} | ||||
41 | || ( $options{curried_arguments} = [] ); | ||||
42 | |||||
43 | ( $options{curried_arguments} && | ||||
44 | ( 'ARRAY' eq ref $options{curried_arguments} ) ) | ||||
45 | || throw_exception( MustSupplyArrayRefAsCurriedArguments => params => \%options, | ||||
46 | class_name => $class | ||||
47 | ); | ||||
48 | |||||
49 | my $self = $class->_new( \%options ); | ||||
50 | |||||
51 | weaken( $self->{'attribute'} ); | ||||
52 | |||||
53 | $self->_initialize_body; | ||||
54 | |||||
55 | return $self; | ||||
56 | } | ||||
57 | |||||
58 | sub _new { | ||||
59 | my $class = shift; | ||||
60 | my $options = @_ == 1 ? $_[0] : {@_}; | ||||
61 | |||||
62 | return bless $options, $class; | ||||
63 | } | ||||
64 | |||||
65 | sub curried_arguments { (shift)->{'curried_arguments'} } | ||||
66 | |||||
67 | sub associated_attribute { (shift)->{'attribute'} } | ||||
68 | |||||
69 | sub delegate_to_method { (shift)->{'delegate_to_method'} } | ||||
70 | |||||
71 | sub _initialize_body { | ||||
72 | my $self = shift; | ||||
73 | |||||
74 | my $method_to_call = $self->delegate_to_method; | ||||
75 | return $self->{body} = $method_to_call | ||||
76 | if ref $method_to_call; | ||||
77 | |||||
78 | my $accessor = $self->_get_delegate_accessor; | ||||
79 | |||||
80 | my $handle_name = $self->name; | ||||
81 | |||||
82 | # NOTE: we used to do a goto here, but the goto didn't handle | ||||
83 | # failure correctly (it just returned nothing), so I took that | ||||
84 | # out. However, the more I thought about it, the less I liked it | ||||
85 | # doing the goto, and I preferred the act of delegation being | ||||
86 | # actually represented in the stack trace. - SL | ||||
87 | # not inlining this, since it won't really speed things up at | ||||
88 | # all... the only thing that would end up different would be | ||||
89 | # interpolating in $method_to_call, and a bunch of things in the | ||||
90 | # error handling that mostly never gets called - doy | ||||
91 | $self->{body} = sub { | ||||
92 | my $instance = shift; | ||||
93 | my $proxy = $instance->$accessor(); | ||||
94 | |||||
95 | if( !defined $proxy ) { | ||||
96 | throw_exception( AttributeValueIsNotDefined => method => $self, | ||||
97 | instance => $instance, | ||||
98 | attribute => $self->associated_attribute, | ||||
99 | ); | ||||
100 | } | ||||
101 | elsif( ref($proxy) && !blessed($proxy) ) { | ||||
102 | throw_exception( AttributeValueIsNotAnObject => method => $self, | ||||
103 | instance => $instance, | ||||
104 | attribute => $self->associated_attribute, | ||||
105 | given_value => $proxy | ||||
106 | ); | ||||
107 | } | ||||
108 | |||||
109 | unshift @_, @{ $self->curried_arguments }; | ||||
110 | $proxy->$method_to_call(@_); | ||||
111 | }; | ||||
112 | } | ||||
113 | |||||
114 | sub _get_delegate_accessor { | ||||
115 | my $self = shift; | ||||
116 | my $attr = $self->associated_attribute; | ||||
117 | |||||
118 | # NOTE: | ||||
119 | # always use a named method when | ||||
120 | # possible, if you use the method | ||||
121 | # ref and there are modifiers on | ||||
122 | # the accessors then it will not | ||||
123 | # pick up the modifiers too. Only | ||||
124 | # the named method will assure that | ||||
125 | # we also have any modifiers run. | ||||
126 | # - SL | ||||
127 | my $accessor = $attr->has_read_method | ||||
128 | ? $attr->get_read_method | ||||
129 | : $attr->get_read_method_ref; | ||||
130 | |||||
131 | $accessor = $accessor->body if Scalar::Util::blessed $accessor; | ||||
132 | |||||
133 | return $accessor; | ||||
134 | } | ||||
135 | |||||
136 | 1 | 3µs | 1; | ||
137 | |||||
138 | # ABSTRACT: A Moose Method metaclass for delegation methods | ||||
139 | |||||
140 | __END__ |