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For -e
  Run on Sun Aug 5 15:24:32 2012
Reported on Sun Aug 5 15:24:57 2012

Filename/usr/lib/perl5/vendor_perl/5.12.4/i686-linux/Scalar/Util.pm
StatementsExecuted 14 statements in 2.86ms
Subroutines
Calls P F Exclusive
Time
Inclusive
Time
Subroutine
1112.18ms4.97msScalar::Util::::BEGIN@10Scalar::Util::BEGIN@10
11177µs100µsScalar::Util::::BEGIN@9Scalar::Util::BEGIN@9
0000s0sScalar::Util::::export_failScalar::Util::export_fail
0000s0sScalar::Util::::openhandleScalar::Util::openhandle
Call graph for these subroutines as a Graphviz dot language file.
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
7package Scalar::Util;
8
93147µs2123µs
# spent 100µs (77+23) within Scalar::Util::BEGIN@9 which was called: # once (77µs+23µs) by DateTime::Helpers::BEGIN@9 at line 9
use strict;
# spent 100µs making 1 call to Scalar::Util::BEGIN@9 # spent 23µs making 1 call to strict::import
1032.13ms25.44ms
# spent 4.97ms (2.18+2.79) within Scalar::Util::BEGIN@10 which was called: # once (2.18ms+2.79ms) by DateTime::Helpers::BEGIN@9 at line 10
use vars qw(@ISA @EXPORT_OK $VERSION @EXPORT_FAIL);
# spent 4.97ms making 1 call to Scalar::Util::BEGIN@10 # spent 479µs making 1 call to vars::import
1114µsrequire Exporter;
121382µsrequire List::Util; # List::Util loads the XS
13
14140µs@ISA = qw(Exporter);
15116µs@EXPORT_OK = qw(blessed dualvar reftype weaken isweak tainted readonly openhandle refaddr isvstring looks_like_number set_prototype);
1616µs$VERSION = "1.23";
17190µs$VERSION = eval $VERSION;
# spent 12µs executing statements in string eval
18
1913µsunless (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
26sub 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)$/ } @_ ) {
41 require Carp;
42 Carp::croak("Vstrings are not implemented in the version of perl");
43 }
44
45 @_;
46}
47
48sub openhandle ($) {
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
66135µs1;
67
68__END__