| 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 | base::import (recurses: max depth 2, inclusive time 4.86ms) |
| 67 | 1 | 1 | 167µs | 167µs | base::has_fields |
| 67 | 1 | 1 | 118µs | 118µs | base::has_attr |
| 1 | 1 | 1 | 9µs | 17µs | base::BEGIN@3 |
| 1 | 1 | 1 | 6µs | 20µs | base::BEGIN@4 |
| 0 | 0 | 0 | 0s | 0s | base::__ANON__[:48] |
| 0 | 0 | 0 | 0s | 0s | base::__ANON__[:55] |
| 0 | 0 | 0 | 0s | 0s | base::get_attr |
| 0 | 0 | 0 | 0s | 0s | base::inherit_fields |
| 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__ |