| Filename | /home/s1/perl5/perlbrew/perls/perl-5.22.1/lib/5.22.1/vars.pm |
| Statements | Executed 152 statements in 1.08ms |
| Calls | P | F | Exclusive Time |
Inclusive Time |
Subroutine |
|---|---|---|---|---|---|
| 9 | 9 | 9 | 390µs | 493µs | vars::import |
| 81 | 3 | 1 | 103µs | 103µs | vars::CORE:match (opcode) |
| 1 | 1 | 1 | 27µs | 27µs | vars::BEGIN@3 |
| 1 | 1 | 1 | 10µs | 109µs | vars::BEGIN@7 |
| 1 | 1 | 1 | 9µs | 25µs | vars::BEGIN@8 |
| Line | State ments |
Time on line |
Calls | Time in subs |
Code |
|---|---|---|---|---|---|
| 1 | package vars; | ||||
| 2 | |||||
| 3 | 2 | 93µs | 1 | 27µs | # spent 27µs within vars::BEGIN@3 which was called:
# once (27µs+0s) by version::BEGIN@11 at line 3 # spent 27µs making 1 call to vars::BEGIN@3 |
| 4 | |||||
| 5 | 1 | 700ns | our $VERSION = '1.03'; | ||
| 6 | |||||
| 7 | 2 | 41µs | 2 | 209µs | # spent 109µs (10+99) within vars::BEGIN@7 which was called:
# once (10µs+99µs) by version::BEGIN@11 at line 7 # spent 109µs making 1 call to vars::BEGIN@7
# spent 99µs making 1 call to warnings::register::import |
| 8 | 2 | 430µs | 2 | 41µs | # spent 25µs (9+16) within vars::BEGIN@8 which was called:
# once (9µs+16µs) by version::BEGIN@11 at line 8 # spent 25µs making 1 call to vars::BEGIN@8
# spent 16µs making 1 call to strict::import |
| 9 | |||||
| 10 | # spent 493µs (390+103) within vars::import which was called 9 times, avg 55µs/call:
# once (88µs+22µs) by version::BEGIN@11 at line 11 of version.pm
# once (63µs+18µs) by DateTime::TimeZone::Catalog::BEGIN@12 at line 12 of DateTime/TimeZone/Catalog.pm
# once (54µs+15µs) by version::regex::BEGIN@5 at line 5 of version/regex.pm
# once (49µs+12µs) by Params::Validate::BEGIN@14 at line 14 of Params/Validate.pm
# once (42µs+11µs) by version::vxs::BEGIN@7 at line 7 of version/vxs.pm
# once (31µs+8µs) by File::Spec::BEGIN@4 at line 4 of File/Spec.pm
# once (22µs+6µs) by base::BEGIN@5 at line 5 of base.pm
# once (20µs+6µs) by File::Spec::Unix::BEGIN@4 at line 4 of File/Spec/Unix.pm
# once (19µs+5µs) by parent::BEGIN@3 at line 3 of parent.pm | ||||
| 11 | 9 | 10µs | my $callpack = caller; | ||
| 12 | 9 | 21µs | my (undef, @imports) = @_; | ||
| 13 | 9 | 3µs | my ($sym, $ch); | ||
| 14 | 9 | 52µs | foreach (@imports) { | ||
| 15 | 27 | 184µs | 27 | 72µs | if (($ch, $sym) = /^([\$\@\%\*\&])(.+)/) { # spent 72µs making 27 calls to vars::CORE:match, avg 3µs/call |
| 16 | 27 | 61µs | 27 | 18µs | if ($sym =~ /\W/) { # spent 18µs making 27 calls to vars::CORE:match, avg 659ns/call |
| 17 | # time for a more-detailed check-up | ||||
| 18 | if ($sym =~ /^\w+[[{].*[]}]$/) { | ||||
| 19 | require Carp; | ||||
| 20 | Carp::croak("Can't declare individual elements of hash or array"); | ||||
| 21 | } elsif (warnings::enabled() and length($sym) == 1 and $sym !~ tr/a-zA-Z//) { | ||||
| 22 | warnings::warn("No need to declare built-in vars"); | ||||
| 23 | } elsif (($^H &= strict::bits('vars'))) { | ||||
| 24 | require Carp; | ||||
| 25 | Carp::croak("'$_' is not a valid variable name under strict vars"); | ||||
| 26 | } | ||||
| 27 | } | ||||
| 28 | 27 | 73µs | 27 | 13µs | $sym = "${callpack}::$sym" unless $sym =~ /::/; # spent 13µs making 27 calls to vars::CORE:match, avg 467ns/call |
| 29 | *$sym = | ||||
| 30 | ( $ch eq "\$" ? \$$sym | ||||
| 31 | : $ch eq "\@" ? \@$sym | ||||
| 32 | : $ch eq "\%" ? \%$sym | ||||
| 33 | : $ch eq "\*" ? \*$sym | ||||
| 34 | : $ch eq "\&" ? \&$sym | ||||
| 35 | 27 | 111µs | : do { | ||
| 36 | require Carp; | ||||
| 37 | Carp::croak("'$_' is not a valid variable name"); | ||||
| 38 | }); | ||||
| 39 | } else { | ||||
| 40 | require Carp; | ||||
| 41 | Carp::croak("'$_' is not a valid variable name"); | ||||
| 42 | } | ||||
| 43 | } | ||||
| 44 | }; | ||||
| 45 | |||||
| 46 | 1 | 4µs | 1; | ||
| 47 | __END__ | ||||
sub vars::CORE:match; # opcode |