| Filename | /usr/libdata/perl5/vars.pm |
| Statements | Executed 68 statements in 685µs |
| Calls | P | F | Exclusive Time |
Inclusive Time |
Subroutine |
|---|---|---|---|---|---|
| 4 | 4 | 4 | 179µs | 230µs | vars::import |
| 33 | 3 | 1 | 51µs | 51µs | vars::CORE:match (opcode) |
| 1 | 1 | 1 | 34µs | 34µs | vars::BEGIN@3 |
| 1 | 1 | 1 | 14µs | 242µs | vars::BEGIN@7 |
| 1 | 1 | 1 | 8µs | 34µs | vars::BEGIN@8 |
| Line | State ments |
Time on line |
Calls | Time in subs |
Code |
|---|---|---|---|---|---|
| 1 | package vars; | ||||
| 2 | |||||
| 3 | 2 | 68µs | 1 | 34µs | # spent 34µs within vars::BEGIN@3 which was called:
# once (34µs+0s) by File::Spec::BEGIN@4 at line 3 # spent 34µs making 1 call to vars::BEGIN@3 |
| 4 | |||||
| 5 | 1 | 900ns | our $VERSION = '1.03'; | ||
| 6 | |||||
| 7 | 2 | 37µs | 2 | 470µs | # spent 242µs (14+228) within vars::BEGIN@7 which was called:
# once (14µs+228µs) by File::Spec::BEGIN@4 at line 7 # spent 242µs making 1 call to vars::BEGIN@7
# spent 228µs making 1 call to warnings::register::import |
| 8 | 2 | 332µs | 2 | 60µs | # spent 34µs (8+26) within vars::BEGIN@8 which was called:
# once (8µs+26µs) by File::Spec::BEGIN@4 at line 8 # spent 34µs making 1 call to vars::BEGIN@8
# spent 26µs making 1 call to strict::import |
| 9 | |||||
| 10 | # spent 230µs (179+51) within vars::import which was called 4 times, avg 57µs/call:
# once (67µs+24µs) by Cwd::BEGIN@4 at line 4 of Cwd.pm
# once (55µs+14µs) by File::Path::BEGIN@20 at line 20 of File/Path.pm
# once (38µs+9µs) by File::Spec::BEGIN@4 at line 4 of File/Spec.pm
# once (19µs+4µs) by File::Spec::Unix::BEGIN@4 at line 4 of File/Spec/Unix.pm | ||||
| 11 | 4 | 5µs | my $callpack = caller; | ||
| 12 | 4 | 8µs | my (undef, @imports) = @_; | ||
| 13 | 4 | 3µs | my ($sym, $ch); | ||
| 14 | 4 | 22µs | foreach (@imports) { | ||
| 15 | 11 | 84µs | 11 | 30µs | if (($ch, $sym) = /^([\$\@\%\*\&])(.+)/) { # spent 30µs making 11 calls to vars::CORE:match, avg 3µs/call |
| 16 | 11 | 34µs | 11 | 10µs | if ($sym =~ /\W/) { # spent 10µs making 11 calls to vars::CORE:match, avg 882ns/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 | 11 | 43µs | 11 | 12µs | $sym = "${callpack}::$sym" unless $sym =~ /::/; # spent 12µs making 11 calls to vars::CORE:match, avg 1µs/call |
| 29 | *$sym = | ||||
| 30 | ( $ch eq "\$" ? \$$sym | ||||
| 31 | : $ch eq "\@" ? \@$sym | ||||
| 32 | : $ch eq "\%" ? \%$sym | ||||
| 33 | : $ch eq "\*" ? \*$sym | ||||
| 34 | : $ch eq "\&" ? \&$sym | ||||
| 35 | 11 | 35µs | : 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 | 13µs | 1; | ||
| 47 | __END__ | ||||
sub vars::CORE:match; # opcode |