| Filename | /Users/ap13/perl5/lib/perl5/Devel/OverloadInfo.pm |
| Statements | Executed 21 statements in 925µs |
| Calls | P | F | Exclusive Time |
Inclusive Time |
Subroutine |
|---|---|---|---|---|---|
| 1 | 1 | 1 | 895µs | 2.81ms | Devel::OverloadInfo::BEGIN@19 |
| 1 | 1 | 1 | 556µs | 998µs | Devel::OverloadInfo::BEGIN@18 |
| 1 | 1 | 1 | 24µs | 24µs | Devel::OverloadInfo::BEGIN@20 |
| 1 | 1 | 1 | 21µs | 48µs | Devel::OverloadInfo::BEGIN@14 |
| 1 | 1 | 1 | 17µs | 38µs | Devel::OverloadInfo::BEGIN@22 |
| 1 | 1 | 1 | 12µs | 21µs | Devel::OverloadInfo::BEGIN@15 |
| 1 | 1 | 1 | 10µs | 48µs | Devel::OverloadInfo::BEGIN@17 |
| 1 | 1 | 1 | 5µs | 5µs | Devel::OverloadInfo::BEGIN@16 |
| 0 | 0 | 0 | 0s | 0s | Devel::OverloadInfo::overload_info |
| 0 | 0 | 0 | 0s | 0s | Devel::OverloadInfo::stash_with_symbol |
| Line | State ments |
Time on line |
Calls | Time in subs |
Code |
|---|---|---|---|---|---|
| 1 | package Devel::OverloadInfo; | ||||
| 2 | 1 | 1µs | $Devel::OverloadInfo::VERSION = '0.002'; | ||
| 3 | # ABSTRACT: introspect overloaded operators | ||||
| 4 | |||||
| 5 | # =head1 DESCRIPTION | ||||
| 6 | # | ||||
| 7 | # Devel::OverloadInfo returns information about L<overloaded|overload> | ||||
| 8 | # operators for a given class (or object), including where in the | ||||
| 9 | # inheritance hierarchy the overloads are declared and where the code | ||||
| 10 | # implementing it is. | ||||
| 11 | # | ||||
| 12 | # =cut | ||||
| 13 | |||||
| 14 | 2 | 32µs | 2 | 76µs | # spent 48µs (21+28) within Devel::OverloadInfo::BEGIN@14 which was called:
# once (21µs+28µs) by Class::MOP::Mixin::HasOverloads::BEGIN@9 at line 14 # spent 48µs making 1 call to Devel::OverloadInfo::BEGIN@14
# spent 28µs making 1 call to strict::import |
| 15 | 2 | 34µs | 2 | 30µs | # spent 21µs (12+9) within Devel::OverloadInfo::BEGIN@15 which was called:
# once (12µs+9µs) by Class::MOP::Mixin::HasOverloads::BEGIN@9 at line 15 # spent 21µs making 1 call to Devel::OverloadInfo::BEGIN@15
# spent 9µs making 1 call to warnings::import |
| 16 | 2 | 23µs | 1 | 5µs | # spent 5µs within Devel::OverloadInfo::BEGIN@16 which was called:
# once (5µs+0s) by Class::MOP::Mixin::HasOverloads::BEGIN@9 at line 16 # spent 5µs making 1 call to Devel::OverloadInfo::BEGIN@16 |
| 17 | 2 | 27µs | 2 | 87µs | # spent 48µs (10+39) within Devel::OverloadInfo::BEGIN@17 which was called:
# once (10µs+39µs) by Class::MOP::Mixin::HasOverloads::BEGIN@9 at line 17 # spent 48µs making 1 call to Devel::OverloadInfo::BEGIN@17
# spent 39µs making 1 call to Exporter::import |
| 18 | 2 | 145µs | 2 | 1.07ms | # spent 998µs (556+441) within Devel::OverloadInfo::BEGIN@18 which was called:
# once (556µs+441µs) by Class::MOP::Mixin::HasOverloads::BEGIN@9 at line 18 # spent 998µs making 1 call to Devel::OverloadInfo::BEGIN@18
# spent 72µs making 1 call to Exporter::import |
| 19 | 3 | 228µs | 3 | 2.84ms | # spent 2.81ms (895µs+1.91) within Devel::OverloadInfo::BEGIN@19 which was called:
# once (895µs+1.91ms) by Class::MOP::Mixin::HasOverloads::BEGIN@9 at line 19 # spent 2.81ms making 1 call to Devel::OverloadInfo::BEGIN@19
# spent 19µs making 1 call to UNIVERSAL::VERSION
# spent 12µs making 1 call to Package::DeprecationManager::__ANON__[Package/DeprecationManager.pm:61] |
| 20 | 2 | 53µs | 1 | 24µs | # spent 24µs within Devel::OverloadInfo::BEGIN@20 which was called:
# once (24µs+0s) by Class::MOP::Mixin::HasOverloads::BEGIN@9 at line 20 # spent 24µs making 1 call to Devel::OverloadInfo::BEGIN@20 |
| 21 | |||||
| 22 | 3 | 374µs | 3 | 59µs | # spent 38µs (17+21) within Devel::OverloadInfo::BEGIN@22 which was called:
# once (17µs+21µs) by Class::MOP::Mixin::HasOverloads::BEGIN@9 at line 22 # spent 38µs making 1 call to Devel::OverloadInfo::BEGIN@22
# spent 11µs making 1 call to Exporter::import
# spent 10µs making 1 call to UNIVERSAL::VERSION |
| 23 | 1 | 2µs | our @EXPORT_OK = qw(overload_info); | ||
| 24 | |||||
| 25 | sub stash_with_symbol { | ||||
| 26 | my ($class, $symbol) = @_; | ||||
| 27 | |||||
| 28 | for my $package (@{mro::get_linear_isa($class)}) { | ||||
| 29 | my $stash = Package::Stash->new($package); | ||||
| 30 | my $value_ref = $stash->get_symbol($symbol); | ||||
| 31 | return ($stash, $value_ref) if $value_ref; | ||||
| 32 | } | ||||
| 33 | return; | ||||
| 34 | } | ||||
| 35 | |||||
| 36 | # =func overload_info | ||||
| 37 | # | ||||
| 38 | # my $info = overload_info($class_or_object); | ||||
| 39 | # | ||||
| 40 | # Returns a hash reference with information about all the overloaded | ||||
| 41 | # operators of the argument, which can be either a class name or a blessed | ||||
| 42 | # object. The keys are the overloaded operators, as specified in | ||||
| 43 | # C<%overload::ops> (see L<overload/Overloadable Operations>). | ||||
| 44 | # | ||||
| 45 | # =over | ||||
| 46 | # | ||||
| 47 | # =item class | ||||
| 48 | # | ||||
| 49 | # The name of the class in which the operator overloading was declared. | ||||
| 50 | # | ||||
| 51 | # =item code | ||||
| 52 | # | ||||
| 53 | # A reference to the function implementing the overloaded operator. | ||||
| 54 | # | ||||
| 55 | # =item code_name | ||||
| 56 | # | ||||
| 57 | # The name of the function implementing the overloaded operator, as | ||||
| 58 | # returned by C<sub_fullname> in L<Sub::Identify>. | ||||
| 59 | # | ||||
| 60 | # =item method_name (optional) | ||||
| 61 | # | ||||
| 62 | # The name of the method implementing the overloaded operator, if the | ||||
| 63 | # overloading was specified as a named method, e.g. C<< use overload $op | ||||
| 64 | # => 'method'; >>. | ||||
| 65 | # | ||||
| 66 | # =item code_class (optional) | ||||
| 67 | # | ||||
| 68 | # The name of the class in which the method specified by C<method_name> | ||||
| 69 | # was found. | ||||
| 70 | # | ||||
| 71 | # =item value (optional) | ||||
| 72 | # | ||||
| 73 | # For the special C<fallback> key, the value it was given in C<class>. | ||||
| 74 | # | ||||
| 75 | # =back | ||||
| 76 | # | ||||
| 77 | # =cut | ||||
| 78 | |||||
| 79 | sub overload_info { | ||||
| 80 | my $class = blessed($_[0]) || $_[0]; | ||||
| 81 | |||||
| 82 | return undef unless overload::Overloaded($class); | ||||
| 83 | |||||
| 84 | my (%overloaded); | ||||
| 85 | for my $op (map split(/\s+/), values %overload::ops) { | ||||
| 86 | my $op_method = $op eq 'fallback' ? "()" : "($op"; | ||||
| 87 | my ($stash, $func) = stash_with_symbol($class, "&$op_method") | ||||
| 88 | or next; | ||||
| 89 | my $info = $overloaded{$op} = { | ||||
| 90 | class => $stash->name, | ||||
| 91 | }; | ||||
| 92 | if ($func == \&overload::nil) { | ||||
| 93 | # Named method or fallback, stored in the scalar slot | ||||
| 94 | if (my $value_ref = $stash->get_symbol("\$$op_method")) { | ||||
| 95 | my $value = $$value_ref; | ||||
| 96 | if ($op eq 'fallback') { | ||||
| 97 | $info->{value} = $value; | ||||
| 98 | } else { | ||||
| 99 | $info->{method_name} = $value; | ||||
| 100 | if (my ($impl_stash, $impl_func) = stash_with_symbol($class, "&$value")) { | ||||
| 101 | $info->{code_class} = $impl_stash->name; | ||||
| 102 | $info->{code} = $impl_func; | ||||
| 103 | } | ||||
| 104 | } | ||||
| 105 | } | ||||
| 106 | } else { | ||||
| 107 | $info->{code} = $func; | ||||
| 108 | } | ||||
| 109 | $info->{code_name} = sub_fullname($info->{code}) | ||||
| 110 | if exists $info->{code}; | ||||
| 111 | } | ||||
| 112 | return \%overloaded; | ||||
| 113 | } | ||||
| 114 | |||||
| 115 | 1 | 7µs | 1; | ||
| 116 | |||||
| 117 | __END__ |