| File | /usr/share/perl/5.8/Exporter.pm | Statements Executed | 94 | Total Time | 0.0028 seconds |
| Calls | P | F | Exclusive Time |
Inclusive Time |
Subroutine | |
|---|---|---|---|---|---|---|
| 5 | 5 | 4 | 0.00281 | 0.00281 | Exporter:: | import |
| 0 | 0 | 0 | 0 | 0 | Exporter:: | __ANON__[:63] |
| 0 | 0 | 0 | 0 | 0 | Exporter:: | as_heavy |
| 0 | 0 | 0 | 0 | 0 | Exporter:: | export |
| 0 | 0 | 0 | 0 | 0 | Exporter:: | export_fail |
| 0 | 0 | 0 | 0 | 0 | Exporter:: | export_ok_tags |
| 0 | 0 | 0 | 0 | 0 | Exporter:: | export_tags |
| 0 | 0 | 0 | 0 | 0 | Exporter:: | export_to_level |
| 0 | 0 | 0 | 0 | 0 | Exporter:: | require_version |
| Line | Stmts. | Exclusive Time | Avg. | Code |
|---|---|---|---|---|
| 1 | package Exporter; | |||
| 2 | ||||
| 3 | 1 | 2.0e-6 | 2.0e-6 | require 5.006; |
| 4 | ||||
| 5 | # Be lean. | |||
| 6 | #use strict; | |||
| 7 | #no strict 'refs'; | |||
| 8 | ||||
| 9 | 1 | 2.0e-6 | 2.0e-6 | our $Debug = 0; |
| 10 | 1 | 1.0e-6 | 1.0e-6 | our $ExportLevel = 0; |
| 11 | 1 | 2.0e-6 | 2.0e-6 | our $Verbose ||= 0; |
| 12 | 1 | 1.0e-6 | 1.0e-6 | our $VERSION = '5.58'; |
| 13 | 1 | 1.0e-6 | 1.0e-6 | our (%Cache); |
| 14 | 1 | 3.0e-6 | 3.0e-6 | $Carp::Internal{Exporter} = 1; |
| 15 | ||||
| 16 | sub as_heavy { | |||
| 17 | require Exporter::Heavy; | |||
| 18 | # Unfortunately, this does not work if the caller is aliased as *name = \&foo | |||
| 19 | # Thus the need to create a lot of identical subroutines | |||
| 20 | my $c = (caller(1))[3]; | |||
| 21 | $c =~ s/.*:://; | |||
| 22 | \&{"Exporter::Heavy::heavy_$c"}; | |||
| 23 | } | |||
| 24 | ||||
| 25 | sub export { | |||
| 26 | goto &{as_heavy()}; | |||
| 27 | } | |||
| 28 | ||||
| 29 | # spent 2.81ms within Exporter::import which was called 5 times, avg 562µs/call:
# once (2.46ms+0) at line 17 of awstats.pl
# once (103µs+0) at line 4 of /usr/share/perl/5.8/Time/Local.pm
# once (96µs+0) at line 6 of /usr/lib/perl/5.8/Socket.pm
# once (78µs+0) at line 16 of awstats.pl
# once (78µs+0) at line 3 of /usr/local/lib/perl/5.8.8/Geo/IP/Record.pm | |||
| 30 | 75 | 0.00250 | 3.3e-5 | my $pkg = shift; |
| 31 | my $callpkg = caller($ExportLevel); | |||
| 32 | ||||
| 33 | if ($pkg eq "Exporter" and @_ and $_[0] eq "import") { | |||
| 34 | *{$callpkg."::import"} = \&import; | |||
| 35 | return; | |||
| 36 | } | |||
| 37 | ||||
| 38 | # We *need* to treat @{"$pkg\::EXPORT_FAIL"} since Carp uses it :-( | |||
| 39 | my($exports, $fail) = (\@{"$pkg\::EXPORT"}, \@{"$pkg\::EXPORT_FAIL"}); | |||
| 40 | return export $pkg, $callpkg, @_ | |||
| 41 | if $Verbose or $Debug or @$fail > 1; | |||
| 42 | my $export_cache = ($Cache{$pkg} ||= {}); | |||
| 43 | my $args = @_ or @_ = @$exports; | |||
| 44 | ||||
| 45 | local $_; | |||
| 46 | if ($args and not %$export_cache) { | |||
| 47 | s/^&//, $export_cache->{$_} = 1 | |||
| 48 | foreach (@$exports, @{"$pkg\::EXPORT_OK"}); | |||
| 49 | } | |||
| 50 | my $heavy; | |||
| 51 | # Try very hard not to use {} and hence have to enter scope on the foreach | |||
| 52 | # We bomb out of the loop with last as soon as heavy is set. | |||
| 53 | 10 | 4.2e-5 | 4.2e-6 | if ($args or $fail) { |
| 54 | ($heavy = (/\W/ or $args and not exists $export_cache->{$_} | |||
| 55 | or @$fail and $_ eq $fail->[0])) and last | |||
| 56 | foreach (@_); | |||
| 57 | } else { | |||
| 58 | ($heavy = /\W/) and last | |||
| 59 | foreach (@_); | |||
| 60 | } | |||
| 61 | 1 | 0.00024 | 0.00024 | return export $pkg, $callpkg, ($args ? @_ : ()) if $heavy; |
| 62 | local $SIG{__WARN__} = | |||
| 63 | sub {require Carp; &Carp::carp}; | |||
| 64 | # shortcut for the common case of no type character | |||
| 65 | *{"$callpkg\::$_"} = \&{"$pkg\::$_"} foreach @_; | |||
| 66 | } | |||
| 67 | ||||
| 68 | # Default methods | |||
| 69 | ||||
| 70 | sub export_fail { | |||
| 71 | my $self = shift; | |||
| 72 | @_; | |||
| 73 | } | |||
| 74 | ||||
| 75 | # Unfortunately, caller(1)[3] "does not work" if the caller is aliased as | |||
| 76 | # *name = \&foo. Thus the need to create a lot of identical subroutines | |||
| 77 | # Otherwise we could have aliased them to export(). | |||
| 78 | ||||
| 79 | sub export_to_level { | |||
| 80 | goto &{as_heavy()}; | |||
| 81 | } | |||
| 82 | ||||
| 83 | sub export_tags { | |||
| 84 | goto &{as_heavy()}; | |||
| 85 | } | |||
| 86 | ||||
| 87 | sub export_ok_tags { | |||
| 88 | goto &{as_heavy()}; | |||
| 89 | } | |||
| 90 | ||||
| 91 | sub require_version { | |||
| 92 | goto &{as_heavy()}; | |||
| 93 | } | |||
| 94 | ||||
| 95 | 1 | 1.0e-5 | 1.0e-5 | 1; |
| 96 | __END__ | |||
| 97 |