Filename | /Users/dde/perl5/perlbrew/perls/5.18.0t/lib/5.18.0/base.pm |
Statements | Executed 1723 statements in 3.81ms |
Calls | P | F | Exclusive Time |
Inclusive Time |
Subroutine |
---|---|---|---|---|---|
55 | 55 | 54 | 7.61ms | 21.3ms | import (recurses: max depth 2, inclusive time 4.86ms) | base::
67 | 1 | 1 | 167µs | 167µs | has_fields | base::
67 | 1 | 1 | 118µs | 118µs | has_attr | base::
1 | 1 | 1 | 9µs | 17µs | BEGIN@3 | base::
1 | 1 | 1 | 6µs | 20µs | BEGIN@4 | base::
0 | 0 | 0 | 0s | 0s | __ANON__[:48] | base::
0 | 0 | 0 | 0s | 0s | __ANON__[:55] | base::
0 | 0 | 0 | 0s | 0s | get_attr | base::
0 | 0 | 0 | 0s | 0s | inherit_fields | base::
Line | State ments |
Time on line |
Calls | Time in subs |
Code |
---|---|---|---|---|---|
1 | package base; | ||||
2 | |||||
3 | 2 | 20µs | 2 | 25µs | # spent 17µs (9+8) within base::BEGIN@3 which was called:
# once (9µs+8µs) by Class::Load::BEGIN@7 at line 3 # spent 17µs making 1 call to base::BEGIN@3
# spent 8µs making 1 call to strict::import |
4 | 2 | 709µs | 2 | 35µs | # spent 20µs (6+15) within base::BEGIN@4 which was called:
# once (6µs+15µs) by Class::Load::BEGIN@7 at line 4 # spent 20µs making 1 call to base::BEGIN@4
# spent 15µs making 1 call to vars::import |
5 | 1 | 400ns | $VERSION = '2.18'; | ||
6 | 1 | 10µs | $VERSION = eval $VERSION; # spent 2µs executing statements in string eval | ||
7 | |||||
8 | # constant.pm is slow | ||||
9 | sub SUCCESS () { 1 } | ||||
10 | |||||
11 | sub PUBLIC () { 2**0 } | ||||
12 | sub PRIVATE () { 2**1 } | ||||
13 | sub INHERITED () { 2**2 } | ||||
14 | sub PROTECTED () { 2**3 } | ||||
15 | |||||
16 | |||||
17 | 1 | 500ns | my $Fattr = \%fields::attr; | ||
18 | |||||
19 | # spent 167µs within base::has_fields which was called 67 times, avg 2µs/call:
# 67 times (167µs+0s) by base::import at line 101, avg 2µs/call | ||||
20 | 67 | 22µs | my($base) = shift; | ||
21 | 67 | 45µs | my $fglob = ${"$base\::"}{FIELDS}; | ||
22 | 67 | 147µs | return( ($fglob && 'GLOB' eq ref($fglob) && *$fglob{HASH}) ? 1 : 0 ); | ||
23 | } | ||||
24 | |||||
25 | # spent 118µs within base::has_attr which was called 67 times, avg 2µs/call:
# 67 times (118µs+0s) by base::import at line 101, avg 2µs/call | ||||
26 | 67 | 14µs | my($proto) = shift; | ||
27 | 67 | 15µs | my($class) = ref $proto || $proto; | ||
28 | 67 | 107µs | return exists $Fattr->{$class}; | ||
29 | } | ||||
30 | |||||
31 | sub get_attr { | ||||
32 | $Fattr->{$_[0]} = [1] unless $Fattr->{$_[0]}; | ||||
33 | return $Fattr->{$_[0]}; | ||||
34 | } | ||||
35 | |||||
36 | 1 | 700ns | if ($] < 5.009) { | ||
37 | *get_fields = sub { | ||||
38 | # Shut up a possible typo warning. | ||||
39 | () = \%{$_[0].'::FIELDS'}; | ||||
40 | my $f = \%{$_[0].'::FIELDS'}; | ||||
41 | |||||
42 | # should be centralized in fields? perhaps | ||||
43 | # fields::mk_FIELDS_be_OK. Peh. As long as %{ $package . '::FIELDS' } | ||||
44 | # is used here anyway, it doesn't matter. | ||||
45 | bless $f, 'pseudohash' if (ref($f) ne 'pseudohash'); | ||||
46 | |||||
47 | return $f; | ||||
48 | } | ||||
49 | } | ||||
50 | else { | ||||
51 | *get_fields = sub { | ||||
52 | # Shut up a possible typo warning. | ||||
53 | () = \%{$_[0].'::FIELDS'}; | ||||
54 | return \%{$_[0].'::FIELDS'}; | ||||
55 | } | ||||
56 | 1 | 2µs | } | ||
57 | |||||
58 | # spent 21.3ms (7.61+13.6) within base::import which was called 55 times, avg 386µs/call:
# once (563µs+7.07ms) by Moose::Meta::Attribute::BEGIN@27 at line 27 of Moose/Meta/Attribute.pm
# once (584µs+4.09ms) by Class::MOP::Class::BEGIN@26 at line 28 of Class/MOP/Class.pm
# once (443µs+1.69ms) by Moose::Meta::Method::Overridden::BEGIN@12 at line 12 of Moose/Meta/Method/Overridden.pm
# once (471µs+1.43ms) by Class::MOP::Method::Accessor::BEGIN@17 at line 17 of Class/MOP/Method/Accessor.pm
# once (726µs+735µs) by Class::MOP::Method::Meta::BEGIN@18 at line 18 of Class/MOP/Method/Meta.pm
# once (584µs+166µs) by Class::MOP::Method::Constructor::BEGIN@17 at line 17 of Class/MOP/Method/Constructor.pm
# once (217µs+64µs) by Class::MOP::Mixin::AttributeCore::BEGIN@14 at line 14 of Class/MOP/Mixin/AttributeCore.pm
# once (106µs+19µs) by Moose::Meta::Role::BEGIN@27 at line 29 of Moose/Meta/Role.pm
# once (92µs+6µs) by Moose::Meta::Role::Method::Required::BEGIN@17 at line 17 of Moose/Meta/Role/Method/Required.pm
# once (80µs+12µs) by Moose::Meta::Method::Constructor::BEGIN@18 at line 19 of Moose/Meta/Method/Constructor.pm
# once (77µs+12µs) by Class::MOP::Attribute::BEGIN@19 at line 19 of Class/MOP/Attribute.pm
# once (75µs+12µs) by Moose::Meta::Role::Attribute::BEGIN@16 at line 16 of Moose/Meta/Role/Attribute.pm
# once (74µs+12µs) by Moose::Meta::Method::Meta::BEGIN@13 at line 14 of Moose/Meta/Method/Meta.pm
# once (71µs+12µs) by Moose::Meta::Method::Accessor::BEGIN@15 at line 16 of Moose/Meta/Method/Accessor.pm
# once (69µs+12µs) by Moose::Meta::Method::Delegation::BEGIN@16 at line 17 of Moose/Meta/Method/Delegation.pm
# once (68µs+11µs) by Moose::Meta::Method::Destructor::BEGIN@17 at line 18 of Moose/Meta/Method/Destructor.pm
# once (50µs+15µs) by Moose::Meta::Role::Method::Conflicting::BEGIN@15 at line 15 of Moose/Meta/Role/Method/Conflicting.pm
# once (50µs+8µs) by Variable::Magic::BEGIN@636 at line 636 of Variable/Magic.pm
# once (49µs+6µs) by Moose::Meta::Method::Augmented::BEGIN@12 at line 12 of Moose/Meta/Method/Augmented.pm
# once (49µs+5µs) by Class::MOP::Method::Wrapped::BEGIN@16 at line 16 of Class/MOP/Method/Wrapped.pm
# once (47µs+6µs) by Moose::Meta::Instance::BEGIN@15 at line 15 of Moose/Meta/Instance.pm
# once (47µs+6µs) by Class::Load::BEGIN@7 at line 7 of Class/Load.pm
# once (46µs+6µs) by Moose::Meta::Class::Immutable::Trait::BEGIN@15 at line 15 of Moose/Meta/Class/Immutable/Trait.pm
# once (47µs+5µs) by Moose::Meta::Role::Method::BEGIN@13 at line 13 of Moose/Meta/Role/Method.pm
# once (46µs+6µs) by Moose::Meta::TypeConstraint::Enum::BEGIN@16 at line 16 of Moose/Meta/TypeConstraint/Enum.pm
# once (46µs+6µs) by Moose::Meta::TypeConstraint::Registry::BEGIN@16 at line 16 of Moose/Meta/TypeConstraint/Registry.pm
# once (46µs+5µs) by Moose::Meta::Role::Composite::BEGIN@16 at line 16 of Moose/Meta/Role/Composite.pm
# once (45µs+6µs) by Moose::Error::Default::BEGIN@17 at line 17 of Moose/Error/Default.pm
# once (45µs+5µs) by Class::MOP::Mixin::HasAttributes::BEGIN@15 at line 15 of Class/MOP/Mixin/HasAttributes.pm
# once (44µs+5µs) by Moose::Meta::Class::BEGIN@31 at line 31 of Moose/Meta/Class.pm
# once (44µs+6µs) by Moose::Meta::Role::Application::ToInstance::BEGIN@16 at line 16 of Moose/Meta/Role/Application/ToInstance.pm
# once (44µs+5µs) by Sub::Name::BEGIN@49 at line 49 of Sub/Name.pm
# once (44µs+5µs) by Class::MOP::Instance::BEGIN@15 at line 15 of Class/MOP/Instance.pm
# once (43µs+5µs) by Moose::Meta::Role::Application::RoleSummation::BEGIN@17 at line 17 of Moose/Meta/Role/Application/RoleSummation.pm
# once (43µs+5µs) by Moose::Meta::TypeConstraint::Union::BEGIN@19 at line 19 of Moose/Meta/TypeConstraint/Union.pm
# once (42µs+5µs) by Moose::Meta::TypeConstraint::Class::BEGIN@17 at line 17 of Moose/Meta/TypeConstraint/Class.pm
# once (42µs+5µs) by Moose::Meta::TypeCoercion::Union::BEGIN@16 at line 16 of Moose/Meta/TypeCoercion/Union.pm
# once (42µs+5µs) by Moose::Meta::Role::Application::ToRole::BEGIN@15 at line 15 of Moose/Meta/Role/Application/ToRole.pm
# once (42µs+5µs) by Try::Tiny::BEGIN@14 at line 14 of Try/Tiny.pm
# once (42µs+5µs) by Moose::Meta::TypeConstraint::Role::BEGIN@17 at line 17 of Moose/Meta/TypeConstraint/Role.pm
# once (41µs+5µs) by Moose::Meta::TypeConstraint::DuckType::BEGIN@20 at line 20 of Moose/Meta/TypeConstraint/DuckType.pm
# once (41µs+6µs) by Moose::Meta::TypeConstraint::BEGIN@26 at line 26 of Moose/Meta/TypeConstraint.pm
# once (41µs+5µs) by Moose::Meta::TypeConstraint::Parameterizable::BEGIN@13 at line 13 of Moose/Meta/TypeConstraint/Parameterizable.pm
# once (40µs+6µs) by Moose::Meta::TypeConstraint::Parameterized::BEGIN@17 at line 17 of Moose/Meta/TypeConstraint/Parameterized.pm
# once (40µs+5µs) by Class::MOP::Method::Overload::BEGIN@15 at line 15 of Class/MOP/Method/Overload.pm
# once (40µs+5µs) by Moose::Meta::Role::Application::ToClass::BEGIN@17 at line 17 of Moose/Meta/Role/Application/ToClass.pm
# once (40µs+5µs) by Class::MOP::Mixin::HasMethods::BEGIN@21 at line 21 of Class/MOP/Mixin/HasMethods.pm
# once (38µs+5µs) by Sub::Name::BEGIN@50 at line 50 of Sub/Name.pm
# once (50µs+-50µs) by Moose::Meta::Method::BEGIN@14 at line 14 of Moose/Meta/Method.pm
# once (46µs+-46µs) by Class::MOP::Package::BEGIN@18 at line 18 of Class/MOP/Package.pm
# once (49µs+-49µs) by Class::MOP::Method::Inlined::BEGIN@15 at line 15 of Class/MOP/Method/Inlined.pm
# once (1.14ms+-1.14ms) by Class::MOP::Module::BEGIN@16 at line 16 of Class/MOP/Module.pm
# once (47µs+-47µs) by Class::MOP::Method::Generated::BEGIN@16 at line 16 of Class/MOP/Method/Generated.pm
# once (44µs+-44µs) by Moose::Meta::Mixin::AttributeCore::BEGIN@12 at line 12 of Moose/Meta/Mixin/AttributeCore.pm
# once (523µs+-523µs) by Class::MOP::Method::BEGIN@16 at line 16 of Class/MOP/Method.pm | ||||
59 | 55 | 16µs | my $class = shift; | ||
60 | |||||
61 | 55 | 12µs | return SUCCESS unless @_; | ||
62 | |||||
63 | # List of base classes from which we will inherit %FIELDS. | ||||
64 | 55 | 1µs | my $fields_base; | ||
65 | |||||
66 | 55 | 21µs | my $inheritor = caller(0); | ||
67 | |||||
68 | 55 | 6µs | my @bases; | ||
69 | 55 | 26µs | foreach my $base (@_) { | ||
70 | 67 | 11µs | if ( $inheritor eq $base ) { | ||
71 | warn "Class '$inheritor' tried to inherit from itself\n"; | ||||
72 | } | ||||
73 | |||||
74 | 67 | 532µs | 81 | 120µs | next if grep $_->isa($base), ($inheritor, @bases); # spent 120µs making 81 calls to UNIVERSAL::isa, avg 1µs/call |
75 | |||||
76 | # Following blocks help isolate $SIG{__DIE__} changes | ||||
77 | { | ||||
78 | 134 | 8µs | my $sigdie; | ||
79 | { | ||||
80 | 134 | 84µs | local $SIG{__DIE__}; | ||
81 | 67 | 968µs | eval "require $base"; # spent 91µs executing statements in 8 string evals (merged)
# spent 77µs executing statements in 9 string evals (merged)
# spent 74µs executing statements in 5 string evals (merged)
# spent 73µs executing statements in 2 string evals (merged)
# spent 70µs executing statements in 2 string evals (merged)
# spent 70µs executing statements in 2 string evals (merged)
# spent 68µs executing statements in 3 string evals (merged)
# spent 66µs executing statements in 3 string evals (merged)
# spent 66µs executing statements in string eval
# spent 14µs executing statements in 7 string evals (merged)
# spent 8µs executing statements in 4 string evals (merged)
# spent 8µs executing statements in 4 string evals (merged)
# spent 4µs executing statements in 2 string evals (merged)
# spent 4µs executing statements in 2 string evals (merged)
# spent 4µs executing statements in 2 string evals (merged)
# spent 2µs executing statements in string eval
# spent 2µs executing statements in string eval
# spent 2µs executing statements in string eval
# spent 2µs executing statements in string eval
# spent 2µs executing statements in string eval
# spent 2µs executing statements in string eval
# spent 2µs executing statements in string eval
# spent 2µs executing statements in string eval
# spent 2µs executing statements in string eval
# spent 2µs executing statements in string eval
# spent 2µs executing statements in string eval | ||
82 | # Only ignore "Can't locate" errors from our eval require. | ||||
83 | # Other fatal errors (syntax etc) must be reported. | ||||
84 | 67 | 7µs | die if $@ && $@ !~ /^Can't locate .*? at \(eval /; | ||
85 | 67 | 112µs | unless (%{"$base\::"}) { | ||
86 | require Carp; | ||||
87 | local $" = " "; | ||||
88 | Carp::croak(<<ERROR); | ||||
89 | Base class package "$base" is empty. | ||||
90 | (Perhaps you need to 'use' the module which defines that package first, | ||||
91 | or make that module available in \@INC (\@INC contains: @INC). | ||||
92 | ERROR | ||||
93 | } | ||||
94 | 67 | 124µs | $sigdie = $SIG{__DIE__} || undef; | ||
95 | } | ||||
96 | # Make sure a global $SIG{__DIE__} makes it out of the localization. | ||||
97 | 67 | 14µs | $SIG{__DIE__} = $sigdie if defined $sigdie; | ||
98 | } | ||||
99 | 67 | 30µs | push @bases, $base; | ||
100 | |||||
101 | 67 | 156µs | 134 | 285µs | if ( has_fields($base) || has_attr($base) ) { # spent 167µs making 67 calls to base::has_fields, avg 2µs/call
# spent 118µs making 67 calls to base::has_attr, avg 2µs/call |
102 | # No multiple fields inheritance *suck* | ||||
103 | if ($fields_base) { | ||||
104 | require Carp; | ||||
105 | Carp::croak("Can't multiply inherit fields"); | ||||
106 | } else { | ||||
107 | $fields_base = $base; | ||||
108 | } | ||||
109 | } | ||||
110 | } | ||||
111 | # Save this until the end so it's all or nothing if the above loop croaks. | ||||
112 | 55 | 400µs | push @{"$inheritor\::ISA"}, @bases; | ||
113 | |||||
114 | 55 | 183µs | if( defined $fields_base ) { | ||
115 | inherit_fields($inheritor, $fields_base); | ||||
116 | } | ||||
117 | } | ||||
118 | |||||
119 | |||||
120 | sub inherit_fields { | ||||
121 | my($derived, $base) = @_; | ||||
122 | |||||
123 | return SUCCESS unless $base; | ||||
124 | |||||
125 | my $battr = get_attr($base); | ||||
126 | my $dattr = get_attr($derived); | ||||
127 | my $dfields = get_fields($derived); | ||||
128 | my $bfields = get_fields($base); | ||||
129 | |||||
130 | $dattr->[0] = @$battr; | ||||
131 | |||||
132 | if( keys %$dfields ) { | ||||
133 | warn <<"END"; | ||||
134 | $derived is inheriting from $base but already has its own fields! | ||||
135 | This will cause problems. Be sure you use base BEFORE declaring fields. | ||||
136 | END | ||||
137 | |||||
138 | } | ||||
139 | |||||
140 | # Iterate through the base's fields adding all the non-private | ||||
141 | # ones to the derived class. Hang on to the original attribute | ||||
142 | # (Public, Private, etc...) and add Inherited. | ||||
143 | # This is all too complicated to do efficiently with add_fields(). | ||||
144 | while (my($k,$v) = each %$bfields) { | ||||
145 | my $fno; | ||||
146 | if ($fno = $dfields->{$k} and $fno != $v) { | ||||
147 | require Carp; | ||||
148 | Carp::croak ("Inherited fields can't override existing fields"); | ||||
149 | } | ||||
150 | |||||
151 | if( $battr->[$v] & PRIVATE ) { | ||||
152 | $dattr->[$v] = PRIVATE | INHERITED; | ||||
153 | } | ||||
154 | else { | ||||
155 | $dattr->[$v] = INHERITED | $battr->[$v]; | ||||
156 | $dfields->{$k} = $v; | ||||
157 | } | ||||
158 | } | ||||
159 | |||||
160 | foreach my $idx (1..$#{$battr}) { | ||||
161 | next if defined $dattr->[$idx]; | ||||
162 | $dattr->[$idx] = $battr->[$idx] & INHERITED; | ||||
163 | } | ||||
164 | } | ||||
165 | |||||
166 | |||||
167 | 1 | 4µs | 1; | ||
168 | |||||
169 | __END__ |