| Filename | /2home/ss5/perl5/perlbrew/perls/perl-5.12.3/lib/5.12.3/overload.pm |
| Statements | Executed 1511 statements in 2.30ms |
| Calls | P | F | Exclusive Time |
Inclusive Time |
Subroutine |
|---|---|---|---|---|---|
| 114 | 5 | 2 | 1.08ms | 1.25ms | overload::AddrRef |
| 17 | 1 | 1 | 610µs | 622µs | overload::OVERLOAD |
| 17 | 17 | 16 | 169µs | 791µs | overload::import |
| 1 | 1 | 1 | 13µs | 74µs | overload::BEGIN@145 |
| 17 | 1 | 1 | 12µs | 12µs | overload::CORE:match (opcode) |
| 0 | 0 | 0 | 0s | 0s | overload::Method |
| 0 | 0 | 0 | 0s | 0s | overload::Overloaded |
| 0 | 0 | 0 | 0s | 0s | overload::OverloadedStringify |
| 0 | 0 | 0 | 0s | 0s | overload::constant |
| 0 | 0 | 0 | 0s | 0s | overload::mycan |
| 0 | 0 | 0 | 0s | 0s | overload::nil |
| 0 | 0 | 0 | 0s | 0s | overload::ov_method |
| 0 | 0 | 0 | 0s | 0s | overload::remove_constant |
| 0 | 0 | 0 | 0s | 0s | overload::unimport |
| Line | State ments |
Time on line |
Calls | Time in subs |
Code |
|---|---|---|---|---|---|
| 1 | package overload; | ||||
| 2 | |||||
| 3 | 1 | 400ns | our $VERSION = '1.10'; | ||
| 4 | |||||
| 5 | sub nil {} | ||||
| 6 | |||||
| 7 | # spent 622µs (610+12) within overload::OVERLOAD which was called 17 times, avg 37µs/call:
# 17 times (610µs+12µs) by overload::import at line 34, avg 37µs/call | ||||
| 8 | 312 | 647µs | $package = shift; | ||
| 9 | my %arg = @_; | ||||
| 10 | my ($sub, $fb); | ||||
| 11 | $ {$package . "::OVERLOAD"}{dummy}++; # Register with magic by touching. | ||||
| 12 | $fb = ${$package . "::()"}; # preserve old fallback value RT#68196 | ||||
| 13 | *{$package . "::()"} = \&nil; # Make it findable via fetchmethod. | ||||
| 14 | for (keys %arg) { | ||||
| 15 | if ($_ eq 'fallback') { | ||||
| 16 | $fb = $arg{$_}; | ||||
| 17 | } else { | ||||
| 18 | $sub = $arg{$_}; | ||||
| 19 | 17 | 12µs | if (not ref $sub and $sub !~ /::/) { # spent 12µs making 17 calls to overload::CORE:match, avg 706ns/call | ||
| 20 | $ {$package . "::(" . $_} = $sub; | ||||
| 21 | $sub = \&nil; | ||||
| 22 | } | ||||
| 23 | #print STDERR "Setting `$ {'package'}::\cO$_' to \\&`$sub'.\n"; | ||||
| 24 | *{$package . "::(" . $_} = \&{ $sub }; | ||||
| 25 | } | ||||
| 26 | } | ||||
| 27 | ${$package . "::()"} = $fb; # Make it findable too (fallback only). | ||||
| 28 | } | ||||
| 29 | |||||
| 30 | # spent 791µs (169+622) within overload::import which was called 17 times, avg 47µs/call:
# once (10µs+76µs) by DateTime::BEGIN@59 at line 60 of DateTime.pm
# once (10µs+69µs) by DateTime::Duration::BEGIN@14 at line 15 of DateTime/Duration.pm
# once (11µs+45µs) by DBIx::Class::ResultSet::BEGIN@25 at line 25 of DBIx/Class/ResultSet.pm
# once (11µs+42µs) by Moose::Meta::TypeConstraint::BEGIN@14 at line 17 of Moose/Meta/TypeConstraint.pm
# once (11µs+41µs) by SQL::Translator::Schema::Table::BEGIN@58 at line 60 of SQL/Translator/Schema/Table.pm
# once (11µs+37µs) by File::Temp::Dir::BEGIN@2407 at line 2407 of File/Temp.pm
# once (8µs+35µs) by Object::Enum::BEGIN@27 at line 28 of Object/Enum.pm
# once (9µs+34µs) by File::Temp::BEGIN@163 at line 163 of File/Temp.pm
# once (10µs+32µs) by SQL::Translator::Schema::Field::BEGIN@57 at line 59 of SQL/Translator/Schema/Field.pm
# once (10µs+32µs) by DBIx::Class::ResultSourceHandle::BEGIN@14 at line 15 of DBIx/Class/ResultSourceHandle.pm
# once (11µs+29µs) by Moose::Meta::Role::Method::Required::BEGIN@14 at line 15 of Moose/Meta/Role/Method/Required.pm
# once (10µs+27µs) by YAML::Tag::BEGIN@7 at line 7 of YAML/Tag.pm
# once (10µs+27µs) by Class::MOP::Method::BEGIN@21 at line 21 of Class/MOP/Method.pm
# once (11µs+26µs) by DBIx::Class::Exception::BEGIN@9 at line 10 of DBIx/Class/Exception.pm
# once (10µs+25µs) by File::stat::BEGIN@148 at line 169 of File/stat.pm
# once (9µs+26µs) by Devel::Backtrace::Point::BEGIN@26 at line 26 of Devel/Backtrace/Point.pm
# once (8µs+20µs) by Devel::Backtrace::BEGIN@7 at line 7 of Devel/Backtrace.pm | ||||
| 31 | 51 | 174µs | $package = (caller())[0]; | ||
| 32 | # *{$package . "::OVERLOAD"} = \&OVERLOAD; | ||||
| 33 | shift; | ||||
| 34 | 17 | 622µs | $package->overload::OVERLOAD(@_); # spent 622µs making 17 calls to overload::OVERLOAD, avg 37µs/call | ||
| 35 | } | ||||
| 36 | |||||
| 37 | sub unimport { | ||||
| 38 | $package = (caller())[0]; | ||||
| 39 | ${$package . "::OVERLOAD"}{dummy}++; # Upgrade the table | ||||
| 40 | shift; | ||||
| 41 | for (@_) { | ||||
| 42 | if ($_ eq 'fallback') { | ||||
| 43 | undef $ {$package . "::()"}; | ||||
| 44 | } else { | ||||
| 45 | delete $ {$package . "::"}{"(" . $_}; | ||||
| 46 | } | ||||
| 47 | } | ||||
| 48 | } | ||||
| 49 | |||||
| 50 | sub Overloaded { | ||||
| 51 | my $package = shift; | ||||
| 52 | $package = ref $package if ref $package; | ||||
| 53 | $package->can('()'); | ||||
| 54 | } | ||||
| 55 | |||||
| 56 | sub ov_method { | ||||
| 57 | my $globref = shift; | ||||
| 58 | return undef unless $globref; | ||||
| 59 | my $sub = \&{*$globref}; | ||||
| 60 | return $sub if $sub ne \&nil; | ||||
| 61 | return shift->can($ {*$globref}); | ||||
| 62 | } | ||||
| 63 | |||||
| 64 | sub OverloadedStringify { | ||||
| 65 | my $package = shift; | ||||
| 66 | $package = ref $package if ref $package; | ||||
| 67 | #$package->can('(""') | ||||
| 68 | ov_method mycan($package, '(""'), $package | ||||
| 69 | or ov_method mycan($package, '(0+'), $package | ||||
| 70 | or ov_method mycan($package, '(bool'), $package | ||||
| 71 | or ov_method mycan($package, '(nomethod'), $package; | ||||
| 72 | } | ||||
| 73 | |||||
| 74 | sub Method { | ||||
| 75 | my $package = shift; | ||||
| 76 | if(ref $package) { | ||||
| 77 | local $@; | ||||
| 78 | local $!; | ||||
| 79 | require Scalar::Util; | ||||
| 80 | $package = Scalar::Util::blessed($package); | ||||
| 81 | return undef if !defined $package; | ||||
| 82 | } | ||||
| 83 | #my $meth = $package->can('(' . shift); | ||||
| 84 | ov_method mycan($package, '(' . shift), $package; | ||||
| 85 | #return $meth if $meth ne \&nil; | ||||
| 86 | #return $ {*{$meth}}; | ||||
| 87 | } | ||||
| 88 | |||||
| 89 | # spent 1.25ms (1.08+168µs) within overload::AddrRef which was called 114 times, avg 11µs/call:
# 44 times (344µs+59µs) by Kwalify::Validator::validate_map at line 323 of Kwalify.pm, avg 9µs/call
# 44 times (319µs+57µs) by Kwalify::Validator::validate_map at line 324 of Kwalify.pm, avg 9µs/call
# 22 times (372µs+44µs) by SQL::Translator::Schema::Object::equals at line 198 of SQL/Translator/Schema/Object.pm, avg 19µs/call
# 2 times (31µs+5µs) by Kwalify::Validator::validate_seq at line 279 of Kwalify.pm, avg 18µs/call
# 2 times (15µs+2µs) by Kwalify::Validator::validate_seq at line 280 of Kwalify.pm, avg 9µs/call | ||||
| 90 | 1140 | 1.28ms | my $package = ref $_[0]; | ||
| 91 | return "$_[0]" unless $package; | ||||
| 92 | |||||
| 93 | local $@; | ||||
| 94 | local $!; | ||||
| 95 | require Scalar::Util; | ||||
| 96 | 114 | 53µs | my $class = Scalar::Util::blessed($_[0]); # spent 53µs making 114 calls to Scalar::Util::blessed, avg 465ns/call | ||
| 97 | my $class_prefix = defined($class) ? "$class=" : ""; | ||||
| 98 | 114 | 58µs | my $type = Scalar::Util::reftype($_[0]); # spent 58µs making 114 calls to Scalar::Util::reftype, avg 508ns/call | ||
| 99 | 114 | 57µs | my $addr = Scalar::Util::refaddr($_[0]); # spent 57µs making 114 calls to Scalar::Util::refaddr, avg 498ns/call | ||
| 100 | return sprintf("$class_prefix$type(0x%x)", $addr); | ||||
| 101 | } | ||||
| 102 | |||||
| 103 | 1 | 1µs | *StrVal = *AddrRef; | ||
| 104 | |||||
| 105 | sub mycan { # Real can would leave stubs. | ||||
| 106 | my ($package, $meth) = @_; | ||||
| 107 | |||||
| 108 | local $@; | ||||
| 109 | local $!; | ||||
| 110 | require mro; | ||||
| 111 | |||||
| 112 | my $mro = mro::get_linear_isa($package); | ||||
| 113 | foreach my $p (@$mro) { | ||||
| 114 | my $fqmeth = $p . q{::} . $meth; | ||||
| 115 | return \*{$fqmeth} if defined &{$fqmeth}; | ||||
| 116 | } | ||||
| 117 | |||||
| 118 | return undef; | ||||
| 119 | } | ||||
| 120 | |||||
| 121 | 1 | 2µs | %constants = ( | ||
| 122 | 'integer' => 0x1000, # HINT_NEW_INTEGER | ||||
| 123 | 'float' => 0x2000, # HINT_NEW_FLOAT | ||||
| 124 | 'binary' => 0x4000, # HINT_NEW_BINARY | ||||
| 125 | 'q' => 0x8000, # HINT_NEW_STRING | ||||
| 126 | 'qr' => 0x10000, # HINT_NEW_RE | ||||
| 127 | ); | ||||
| 128 | |||||
| 129 | 1 | 7µs | %ops = ( with_assign => "+ - * / % ** << >> x .", | ||
| 130 | assign => "+= -= *= /= %= **= <<= >>= x= .=", | ||||
| 131 | num_comparison => "< <= > >= == !=", | ||||
| 132 | '3way_comparison'=> "<=> cmp", | ||||
| 133 | str_comparison => "lt le gt ge eq ne", | ||||
| 134 | binary => '& &= | |= ^ ^=', | ||||
| 135 | unary => "neg ! ~", | ||||
| 136 | mutators => '++ --', | ||||
| 137 | func => "atan2 cos sin exp abs log sqrt int", | ||||
| 138 | conversion => 'bool "" 0+ qr', | ||||
| 139 | iterators => '<>', | ||||
| 140 | filetest => "-X", | ||||
| 141 | dereferencing => '${} @{} %{} &{} *{}', | ||||
| 142 | matching => '~~', | ||||
| 143 | special => 'nomethod fallback ='); | ||||
| 144 | |||||
| 145 | 3 | 182µs | 2 | 134µs | # spent 74µs (13+61) within overload::BEGIN@145 which was called:
# once (13µs+61µs) by Data::OptList::BEGIN@10 at line 145 # spent 74µs making 1 call to overload::BEGIN@145
# spent 61µs making 1 call to warnings::register::import |
| 146 | sub constant { | ||||
| 147 | # Arguments: what, sub | ||||
| 148 | while (@_) { | ||||
| 149 | if (@_ == 1) { | ||||
| 150 | warnings::warnif ("Odd number of arguments for overload::constant"); | ||||
| 151 | last; | ||||
| 152 | } | ||||
| 153 | elsif (!exists $constants {$_ [0]}) { | ||||
| 154 | warnings::warnif ("`$_[0]' is not an overloadable type"); | ||||
| 155 | } | ||||
| 156 | elsif (!ref $_ [1] || "$_[1]" !~ /(^|=)CODE\(0x[0-9a-f]+\)$/) { | ||||
| 157 | # Can't use C<ref $_[1] eq "CODE"> above as code references can be | ||||
| 158 | # blessed, and C<ref> would return the package the ref is blessed into. | ||||
| 159 | if (warnings::enabled) { | ||||
| 160 | $_ [1] = "undef" unless defined $_ [1]; | ||||
| 161 | warnings::warn ("`$_[1]' is not a code reference"); | ||||
| 162 | } | ||||
| 163 | } | ||||
| 164 | else { | ||||
| 165 | $^H{$_[0]} = $_[1]; | ||||
| 166 | $^H |= $constants{$_[0]}; | ||||
| 167 | } | ||||
| 168 | shift, shift; | ||||
| 169 | } | ||||
| 170 | } | ||||
| 171 | |||||
| 172 | sub remove_constant { | ||||
| 173 | # Arguments: what, sub | ||||
| 174 | while (@_) { | ||||
| 175 | delete $^H{$_[0]}; | ||||
| 176 | $^H &= ~ $constants{$_[0]}; | ||||
| 177 | shift, shift; | ||||
| 178 | } | ||||
| 179 | } | ||||
| 180 | |||||
| 181 | 1 | 7µs | 1; | ||
| 182 | |||||
| 183 | __END__ | ||||
# spent 12µs within overload::CORE:match which was called 17 times, avg 706ns/call:
# 17 times (12µs+0s) by overload::OVERLOAD at line 19, avg 706ns/call |