Profile of Tie/Hash.pm

Filename	/usr/lib/x86_64-linux-gnu/perl-base/Tie/Hash.pm
Statements	Executed 7 statements in 392µs

Subroutines
Calls	P	F	Exclusive Time	Inclusive Time	Subroutine
1	1	1	9µs	32µs	Tie::Hash::::BEGIN@5 Tie::Hash::BEGIN@5
1	1	1	4µs	22µs	Tie::Hash::::BEGIN@6 Tie::Hash::BEGIN@6
1	1	1	1µs	1µs	Tie::StdHash::::TIEHASH Tie::StdHash::TIEHASH
0	0	0	0s	0s	Tie::ExtraHash::::CLEARTie::ExtraHash::CLEAR
0	0	0	0s	0s	Tie::ExtraHash::::DELETETie::ExtraHash::DELETE
0	0	0	0s	0s	Tie::ExtraHash::::EXISTSTie::ExtraHash::EXISTS
0	0	0	0s	0s	Tie::ExtraHash::::FETCHTie::ExtraHash::FETCH
0	0	0	0s	0s	Tie::ExtraHash::::FIRSTKEYTie::ExtraHash::FIRSTKEY
0	0	0	0s	0s	Tie::ExtraHash::::NEXTKEYTie::ExtraHash::NEXTKEY
0	0	0	0s	0s	Tie::ExtraHash::::SCALARTie::ExtraHash::SCALAR
0	0	0	0s	0s	Tie::ExtraHash::::STORETie::ExtraHash::STORE
0	0	0	0s	0s	Tie::ExtraHash::::TIEHASHTie::ExtraHash::TIEHASH
0	0	0	0s	0s	Tie::Hash::::CLEAR Tie::Hash::CLEAR
0	0	0	0s	0s	Tie::Hash::::EXISTS Tie::Hash::EXISTS
0	0	0	0s	0s	Tie::Hash::::TIEHASH Tie::Hash::TIEHASH
0	0	0	0s	0s	Tie::Hash::::new Tie::Hash::new
0	0	0	0s	0s	Tie::StdHash::::CLEAR Tie::StdHash::CLEAR
0	0	0	0s	0s	Tie::StdHash::::DELETE Tie::StdHash::DELETE
0	0	0	0s	0s	Tie::StdHash::::EXISTS Tie::StdHash::EXISTS
0	0	0	0s	0s	Tie::StdHash::::FETCH Tie::StdHash::FETCH
0	0	0	0s	0s	Tie::StdHash::::FIRSTKEY Tie::StdHash::FIRSTKEY
0	0	0	0s	0s	Tie::StdHash::::NEXTKEY Tie::StdHash::NEXTKEY
0	0	0	0s	0s	Tie::StdHash::::SCALAR Tie::StdHash::SCALAR
0	0	0	0s	0s	Tie::StdHash::::STORE Tie::StdHash::STORE

Call graph for these subroutines as a Graphviz dot language file.

Line	State ments	Time on line	Calls	Time in subs	Code
1					package Tie::Hash;
2
3	1	200ns			our $VERSION = '1.06';
4
5	2	18µs	2	54µs	# spent 32µs (9+23) within Tie::Hash::BEGIN@5 which was called: # once (9µs+23µs) by File::Slurp::BEGIN@16 at line 5 use Carp; # spent 32µs making 1 call to Tie::Hash::BEGIN@5 # spent 23µs making 1 call to Exporter::import
6	2	368µs	2	40µs	# spent 22µs (4+18) within Tie::Hash::BEGIN@6 which was called: # once (4µs+18µs) by File::Slurp::BEGIN@16 at line 6 use warnings::register; # spent 22µs making 1 call to Tie::Hash::BEGIN@6 # spent 18µs making 1 call to warnings::register::import
7
8					sub new {
9					my $pkg = shift;
10					$pkg->TIEHASH(@_);
11					}
12
13					# Legacy support for new()
14
15					sub TIEHASH {
16					my $pkg = shift;
17					my $pkg_new = $pkg -> can ('new');
18
19					if ($pkg_new and $pkg ne __PACKAGE__) {
20					my $my_new = __PACKAGE__ -> can ('new');
21					if ($pkg_new == $my_new) {
22					#
23					# Prevent recursion
24					#
25					croak "$pkg must define either a TIEHASH() or a new() method";
26					}
27
28					warnings::warnif ("WARNING: calling ${pkg}->new since " .
29					"${pkg}->TIEHASH is missing");
30					$pkg -> new (@_);
31					}
32					else {
33					croak "$pkg doesn't define a TIEHASH method";
34					}
35					}
36
37					sub EXISTS {
38					my $pkg = ref $_[0];
39					croak "$pkg doesn't define an EXISTS method";
40					}
41
42					sub CLEAR {
43					my $self = shift;
44					my $key = $self->FIRSTKEY(@_);
45					my @keys;
46
47					while (defined $key) {
48					push @keys, $key;
49					$key = $self->NEXTKEY(@_, $key);
50					}
51					foreach $key (@keys) {
52					$self->DELETE(@_, $key);
53					}
54					}
55
56					# The Tie::StdHash package implements standard perl hash behaviour.
57					# It exists to act as a base class for classes which only wish to
58					# alter some parts of their behaviour.
59
60					package Tie::StdHash;
61					# @ISA = qw(Tie::Hash); # would inherit new() only
62
63	1	3µs			# spent 1µs within Tie::StdHash::TIEHASH which was called: # once (1µs+0s) by File::Slurp::BEGIN@16 at line 564 of POSIX.pm sub TIEHASH { bless {}, $_[0] }
64					sub STORE { $_[0]->{$_[1]} = $_[2] }
65					sub FETCH { $_[0]->{$_[1]} }
66					sub FIRSTKEY { my $a = scalar keys %{$_[0]}; each %{$_[0]} }
67					sub NEXTKEY { each %{$_[0]} }
68					sub EXISTS { exists $_[0]->{$_[1]} }
69					sub DELETE { delete $_[0]->{$_[1]} }
70					sub CLEAR { %{$_[0]} = () }
71					sub SCALAR { scalar %{$_[0]} }
72
73					package Tie::ExtraHash;
74
75					sub TIEHASH { my $p = shift; bless [{}, @_], $p }
76					sub STORE { $_[0][0]{$_[1]} = $_[2] }
77					sub FETCH { $_[0][0]{$_[1]} }
78					sub FIRSTKEY { my $a = scalar keys %{$_[0][0]}; each %{$_[0][0]} }
79					sub NEXTKEY { each %{$_[0][0]} }
80					sub EXISTS { exists $_[0][0]->{$_[1]} }
81					sub DELETE { delete $_[0][0]->{$_[1]} }
82					sub CLEAR { %{$_[0][0]} = () }
83					sub SCALAR { scalar %{$_[0][0]} }
84
85	1	2µs			1;