| Filename | /usr/lib/x86_64-linux-gnu/perl-base/overloading.pm |
| Statements | Executed 18 statements in 222µs |
| Calls | P | F | Exclusive Time |
Inclusive Time |
Subroutine |
|---|---|---|---|---|---|
| 3 | 3 | 2 | 13µs | 13µs | overloading::unimport |
| 1 | 1 | 1 | 6µs | 24µs | overloading::BEGIN@2 |
| 0 | 0 | 0 | 0s | 0s | overloading::_ops_to_nums |
| 0 | 0 | 0 | 0s | 0s | overloading::import |
| Line | State ments |
Time on line |
Calls | Time in subs |
Code |
|---|---|---|---|---|---|
| 1 | package overloading; | ||||
| 2 | 2 | 196µs | 2 | 41µs | # spent 24µs (6+17) within overloading::BEGIN@2 which was called:
# once (6µs+17µs) by Carp::BEGIN@168 at line 2 # spent 24µs making 1 call to overloading::BEGIN@2
# spent 17µs making 1 call to warnings::import |
| 3 | |||||
| 4 | 1 | 200ns | our $VERSION = '0.02'; | ||
| 5 | |||||
| 6 | 1 | 100ns | my $HINT_NO_AMAGIC = 0x01000000; # see perl.h | ||
| 7 | |||||
| 8 | 1 | 5µs | require 5.010001; | ||
| 9 | |||||
| 10 | sub _ops_to_nums { | ||||
| 11 | require overload::numbers; | ||||
| 12 | |||||
| 13 | map { exists $overload::numbers::names{"($_"} | ||||
| 14 | ? $overload::numbers::names{"($_"} | ||||
| 15 | : do { require Carp; Carp::croak("'$_' is not a valid overload") } | ||||
| 16 | } @_; | ||||
| 17 | } | ||||
| 18 | |||||
| 19 | sub import { | ||||
| 20 | my ( $class, @ops ) = @_; | ||||
| 21 | |||||
| 22 | if ( @ops ) { | ||||
| 23 | if ( $^H{overloading} ) { | ||||
| 24 | vec($^H{overloading} , $_, 1) = 0 for _ops_to_nums(@ops); | ||||
| 25 | } | ||||
| 26 | |||||
| 27 | if ( $^H{overloading} !~ /[^\0]/ ) { | ||||
| 28 | delete $^H{overloading}; | ||||
| 29 | $^H &= ~$HINT_NO_AMAGIC; | ||||
| 30 | } | ||||
| 31 | } else { | ||||
| 32 | delete $^H{overloading}; | ||||
| 33 | $^H &= ~$HINT_NO_AMAGIC; | ||||
| 34 | } | ||||
| 35 | } | ||||
| 36 | |||||
| 37 | # spent 13µs within overloading::unimport which was called 3 times, avg 4µs/call:
# once (5µs+0s) by overload::BEGIN@85 at line 85 of overload.pm
# once (4µs+0s) by Carp::BEGIN@1 at line 1 of (eval 3)[Carp.pm:170]
# once (4µs+0s) by overload::BEGIN@115 at line 115 of overload.pm | ||||
| 38 | 3 | 1µs | my ( $class, @ops ) = @_; | ||
| 39 | |||||
| 40 | 3 | 4µs | if ( exists $^H{overloading} or not $^H & $HINT_NO_AMAGIC ) { | ||
| 41 | if ( @ops ) { | ||||
| 42 | vec($^H{overloading} ||= '', $_, 1) = 1 for _ops_to_nums(@ops); | ||||
| 43 | } else { | ||||
| 44 | 3 | 4µs | delete $^H{overloading}; | ||
| 45 | } | ||||
| 46 | } | ||||
| 47 | |||||
| 48 | 3 | 8µs | $^H |= $HINT_NO_AMAGIC; | ||
| 49 | } | ||||
| 50 | |||||
| 51 | 1 | 2µs | 1; | ||
| 52 | __END__ |