| Filename | /usr/lib/perl/5.10/Scalar/Util.pm |
| Statements | Executed 14 statements in 625µs |
| Calls | P | F | Exclusive Time |
Inclusive Time |
Subroutine |
|---|---|---|---|---|---|
| 41 | 5 | 2 | 193µs | 193µs | Scalar::Util::blessed (xsub) |
| 1 | 1 | 1 | 28µs | 34µs | Scalar::Util::BEGIN@9 |
| 1 | 1 | 1 | 26µs | 26µs | Scalar::Util::weaken (xsub) |
| 1 | 1 | 1 | 12µs | 88µs | Scalar::Util::BEGIN@10 |
| 0 | 0 | 0 | 0s | 0s | Scalar::Util::export_fail |
| 0 | 0 | 0 | 0s | 0s | Scalar::Util::openhandle |
| Line | State ments |
Time on line |
Calls | Time in subs |
Code |
|---|---|---|---|---|---|
| 1 | # Scalar::Util.pm | ||||
| 2 | # | ||||
| 3 | # Copyright (c) 1997-2007 Graham Barr <gbarr@pobox.com>. All rights reserved. | ||||
| 4 | # This program is free software; you can redistribute it and/or | ||||
| 5 | # modify it under the same terms as Perl itself. | ||||
| 6 | |||||
| 7 | package Scalar::Util; | ||||
| 8 | |||||
| 9 | 3 | 34µs | 2 | 40µs | # spent 34µs (28+6) within Scalar::Util::BEGIN@9 which was called:
# once (28µs+6µs) by Compress::Zlib::BEGIN@9 at line 9 # spent 34µs making 1 call to Scalar::Util::BEGIN@9
# spent 6µs making 1 call to strict::import |
| 10 | 3 | 437µs | 2 | 164µs | # spent 88µs (12+76) within Scalar::Util::BEGIN@10 which was called:
# once (12µs+76µs) by Compress::Zlib::BEGIN@9 at line 10 # spent 88µs making 1 call to Scalar::Util::BEGIN@10
# spent 76µs making 1 call to vars::import |
| 11 | 1 | 1µs | require Exporter; | ||
| 12 | 1 | 94µs | require List::Util; # List::Util loads the XS | ||
| 13 | |||||
| 14 | 1 | 12µs | @ISA = qw(Exporter); | ||
| 15 | 1 | 2µs | @EXPORT_OK = qw(blessed dualvar reftype weaken isweak tainted readonly openhandle refaddr isvstring looks_like_number set_prototype); | ||
| 16 | 1 | 300ns | $VERSION = "1.21"; | ||
| 17 | 1 | 31µs | $VERSION = eval $VERSION; # spent 6µs executing statements in string eval | ||
| 18 | |||||
| 19 | 1 | 1µs | unless (defined &dualvar) { | ||
| 20 | # Load Pure Perl version if XS not loaded | ||||
| 21 | require Scalar::Util::PP; | ||||
| 22 | Scalar::Util::PP->import; | ||||
| 23 | push @EXPORT_FAIL, qw(weaken isweak dualvar isvstring set_prototype); | ||||
| 24 | } | ||||
| 25 | |||||
| 26 | sub export_fail { | ||||
| 27 | if (grep { /dualvar/ } @EXPORT_FAIL) { # no XS loaded | ||||
| 28 | my $pat = join("|", @EXPORT_FAIL); | ||||
| 29 | if (my ($err) = grep { /^($pat)$/ } @_ ) { | ||||
| 30 | require Carp; | ||||
| 31 | Carp::croak("$err is only available with the XS version of Scalar::Util"); | ||||
| 32 | } | ||||
| 33 | } | ||||
| 34 | |||||
| 35 | if (grep { /^(weaken|isweak)$/ } @_ ) { | ||||
| 36 | require Carp; | ||||
| 37 | Carp::croak("Weak references are not implemented in the version of perl"); | ||||
| 38 | } | ||||
| 39 | |||||
| 40 | if (grep { /^(isvstring)$/ } @_ ) { | ||||
| 41 | require Carp; | ||||
| 42 | Carp::croak("Vstrings are not implemented in the version of perl"); | ||||
| 43 | } | ||||
| 44 | |||||
| 45 | @_; | ||||
| 46 | } | ||||
| 47 | |||||
| 48 | sub openhandle ($) { | ||||
| 49 | my $fh = shift; | ||||
| 50 | my $rt = reftype($fh) || ''; | ||||
| 51 | |||||
| 52 | return defined(fileno($fh)) ? $fh : undef | ||||
| 53 | if $rt eq 'IO'; | ||||
| 54 | |||||
| 55 | if (reftype(\$fh) eq 'GLOB') { # handle openhandle(*DATA) | ||||
| 56 | $fh = \(my $tmp=$fh); | ||||
| 57 | } | ||||
| 58 | elsif ($rt ne 'GLOB') { | ||||
| 59 | return undef; | ||||
| 60 | } | ||||
| 61 | |||||
| 62 | (tied(*$fh) or defined(fileno($fh))) | ||||
| 63 | ? $fh : undef; | ||||
| 64 | } | ||||
| 65 | |||||
| 66 | 1 | 12µs | 1; | ||
| 67 | |||||
| 68 | __END__ | ||||
# spent 193µs within Scalar::Util::blessed which was called 41 times, avg 5µs/call:
# 12 times (40µs+0s) by Template::Iterator::new at line 55 of Template/Iterator.pm, avg 3µs/call
# 10 times (50µs+0s) by Template::Context::template at line 87 of Template/Context.pm, avg 5µs/call
# 9 times (66µs+0s) by Template::Context::process at line 331 of Template/Context.pm, avg 7µs/call
# 9 times (33µs+0s) by Template::Context::process at line 373 of Template/Context.pm, avg 4µs/call
# once (4µs+0s) by Template::Context::process at line 339 of Template/Context.pm | |||||
# spent 26µs within Scalar::Util::weaken which was called:
# once (26µs+0s) by C4::Context::BEGIN@101 at line 289 of DBI.pm |