| File | /usr/share/perl/5.10/overload.pm |
| Statements Executed | 182 |
| Total Time | 0.000816300000000001 seconds |
| Calls | P | F | Exclusive Time |
Inclusive Time |
Subroutine |
|---|---|---|---|---|---|
| 10 | 1 | 1 | 423µs | 423µs | overload::OVERLOAD |
| 10 | 10 | 10 | 146µs | 568µs | overload::import |
| 0 | 0 | 0 | 0s | 0s | overload::AddrRef |
| 0 | 0 | 0 | 0s | 0s | overload::BEGIN |
| 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 | Stmts. | Exclusive Time | Avg. | Code |
|---|---|---|---|---|
| 1 | package overload; | |||
| 2 | ||||
| 3 | 1 | 800ns | 800ns | our $VERSION = '1.06'; |
| 4 | ||||
| 5 | sub nil {} | |||
| 6 | ||||
| 7 | # spent 423µs within overload::OVERLOAD which was called 10 times, avg 42µs/call:
# 10 times (423µs+0s) by overload::import at line 33, avg 42µs/call | |||
| 8 | 144 | 396µs | 3µs | $package = shift; |
| 9 | my %arg = @_; | |||
| 10 | my ($sub, $fb); | |||
| 11 | $ {$package . "::OVERLOAD"}{dummy}++; # Register with magic by touching. | |||
| 12 | *{$package . "::()"} = \&nil; # Make it findable via fetchmethod. | |||
| 13 | for (keys %arg) { | |||
| 14 | if ($_ eq 'fallback') { | |||
| 15 | $fb = $arg{$_}; | |||
| 16 | } else { | |||
| 17 | $sub = $arg{$_}; | |||
| 18 | if (not ref $sub and $sub !~ /::/) { | |||
| 19 | $ {$package . "::(" . $_} = $sub; | |||
| 20 | $sub = \&nil; | |||
| 21 | } | |||
| 22 | #print STDERR "Setting `$ {'package'}::\cO$_' to \\&`$sub'.\n"; | |||
| 23 | *{$package . "::(" . $_} = \&{ $sub }; | |||
| 24 | } | |||
| 25 | } | |||
| 26 | ${$package . "::()"} = $fb; # Make it findable too (fallback only). | |||
| 27 | } | |||
| 28 | ||||
| 29 | # spent 568µs (146+423) within overload::import which was called 10 times, avg 57µs/call:
# once (15µs+56µs) at line 11 of /usr/local/lib/perl/5.10.0/Moose/Meta/TypeConstraint.pm
# once (16µs+51µs) by XML::LibXML::Number::BEGIN at line 12 of /usr/lib/perl5/XML/LibXML/Number.pm
# once (15µs+52µs) by XML::LibXML::Literal::BEGIN at line 12 of /usr/lib/perl5/XML/LibXML/Literal.pm
# once (14µs+45µs) at line 5 of /usr/share/perl5/XML/SAX/Exception.pm
# once (19µs+37µs) at line 9 of /usr/local/lib/perl/5.10.0/Moose/Meta/Role/Method/Required.pm
# once (14µs+39µs) by MARC::Moose::Field::Std::BEGIN at line 10 of /home/tamil/util/marc-moose/lib/MARC/Moose/Field/Std.pm
# once (14µs+39µs) by XML::LibXML::NodeList::BEGIN at line 13 of /usr/lib/perl5/XML/LibXML/NodeList.pm
# once (14µs+36µs) by YAML::Tag::BEGIN or YAML::Tag::__ANON__[/usr/share/perl5/YAML/Tag.pm:4] at line 4 of /usr/share/perl5/YAML/Tag.pm
# once (12µs+35µs) by Class::MOP::Method::BEGIN or Class::MOP::Method::__ANON__[/usr/local/lib/perl/5.10.0/Class/MOP/Method.pm:19] at line 19 of /usr/local/lib/perl/5.10.0/Class/MOP/Method.pm
# once (14µs+32µs) by XML::LibXML::Boolean::BEGIN at line 14 of /usr/lib/perl5/XML/LibXML/Boolean.pm | |||
| 30 | 30 | 106µs | 4µs | $package = (caller())[0]; |
| 31 | # *{$package . "::OVERLOAD"} = \&OVERLOAD; | |||
| 32 | shift; | |||
| 33 | $package->overload::OVERLOAD(@_); # spent 423µs making 10 calls to overload::OVERLOAD, avg 42µs/call | |||
| 34 | } | |||
| 35 | ||||
| 36 | sub unimport { | |||
| 37 | $package = (caller())[0]; | |||
| 38 | ${$package . "::OVERLOAD"}{dummy}++; # Upgrade the table | |||
| 39 | shift; | |||
| 40 | for (@_) { | |||
| 41 | if ($_ eq 'fallback') { | |||
| 42 | undef $ {$package . "::()"}; | |||
| 43 | } else { | |||
| 44 | delete $ {$package . "::"}{"(" . $_}; | |||
| 45 | } | |||
| 46 | } | |||
| 47 | } | |||
| 48 | ||||
| 49 | sub Overloaded { | |||
| 50 | my $package = shift; | |||
| 51 | $package = ref $package if ref $package; | |||
| 52 | $package->can('()'); | |||
| 53 | } | |||
| 54 | ||||
| 55 | sub ov_method { | |||
| 56 | my $globref = shift; | |||
| 57 | return undef unless $globref; | |||
| 58 | my $sub = \&{*$globref}; | |||
| 59 | return $sub if $sub ne \&nil; | |||
| 60 | return shift->can($ {*$globref}); | |||
| 61 | } | |||
| 62 | ||||
| 63 | sub OverloadedStringify { | |||
| 64 | my $package = shift; | |||
| 65 | $package = ref $package if ref $package; | |||
| 66 | #$package->can('(""') | |||
| 67 | ov_method mycan($package, '(""'), $package | |||
| 68 | or ov_method mycan($package, '(0+'), $package | |||
| 69 | or ov_method mycan($package, '(bool'), $package | |||
| 70 | or ov_method mycan($package, '(nomethod'), $package; | |||
| 71 | } | |||
| 72 | ||||
| 73 | sub Method { | |||
| 74 | my $package = shift; | |||
| 75 | if(ref $package) { | |||
| 76 | local $@; | |||
| 77 | local $!; | |||
| 78 | require Scalar::Util; | |||
| 79 | $package = Scalar::Util::blessed($package); | |||
| 80 | return undef if !defined $package; | |||
| 81 | } | |||
| 82 | #my $meth = $package->can('(' . shift); | |||
| 83 | ov_method mycan($package, '(' . shift), $package; | |||
| 84 | #return $meth if $meth ne \&nil; | |||
| 85 | #return $ {*{$meth}}; | |||
| 86 | } | |||
| 87 | ||||
| 88 | sub AddrRef { | |||
| 89 | my $package = ref $_[0]; | |||
| 90 | return "$_[0]" unless $package; | |||
| 91 | ||||
| 92 | local $@; | |||
| 93 | local $!; | |||
| 94 | require Scalar::Util; | |||
| 95 | my $class = Scalar::Util::blessed($_[0]); | |||
| 96 | my $class_prefix = defined($class) ? "$class=" : ""; | |||
| 97 | my $type = Scalar::Util::reftype($_[0]); | |||
| 98 | my $addr = Scalar::Util::refaddr($_[0]); | |||
| 99 | return sprintf("$class_prefix$type(0x%x)", $addr); | |||
| 100 | } | |||
| 101 | ||||
| 102 | 1 | 2µs | 2µs | *StrVal = *AddrRef; |
| 103 | ||||
| 104 | sub mycan { # Real can would leave stubs. | |||
| 105 | my ($package, $meth) = @_; | |||
| 106 | ||||
| 107 | my $mro = mro::get_linear_isa($package); | |||
| 108 | foreach my $p (@$mro) { | |||
| 109 | my $fqmeth = $p . q{::} . $meth; | |||
| 110 | return \*{$fqmeth} if defined &{$fqmeth}; | |||
| 111 | } | |||
| 112 | ||||
| 113 | return undef; | |||
| 114 | } | |||
| 115 | ||||
| 116 | 1 | 3µs | 3µs | %constants = ( |
| 117 | 'integer' => 0x1000, # HINT_NEW_INTEGER | |||
| 118 | 'float' => 0x2000, # HINT_NEW_FLOAT | |||
| 119 | 'binary' => 0x4000, # HINT_NEW_BINARY | |||
| 120 | 'q' => 0x8000, # HINT_NEW_STRING | |||
| 121 | 'qr' => 0x10000, # HINT_NEW_RE | |||
| 122 | ); | |||
| 123 | ||||
| 124 | 1 | 9µs | 9µs | %ops = ( with_assign => "+ - * / % ** << >> x .", |
| 125 | assign => "+= -= *= /= %= **= <<= >>= x= .=", | |||
| 126 | num_comparison => "< <= > >= == !=", | |||
| 127 | '3way_comparison'=> "<=> cmp", | |||
| 128 | str_comparison => "lt le gt ge eq ne", | |||
| 129 | binary => '& &= | |= ^ ^=', | |||
| 130 | unary => "neg ! ~", | |||
| 131 | mutators => '++ --', | |||
| 132 | func => "atan2 cos sin exp abs log sqrt int", | |||
| 133 | conversion => 'bool "" 0+', | |||
| 134 | iterators => '<>', | |||
| 135 | dereferencing => '${} @{} %{} &{} *{}', | |||
| 136 | special => 'nomethod fallback ='); | |||
| 137 | ||||
| 138 | 3 | 290µs | 97µs | use warnings::register; # spent 101µs making 1 call to warnings::register::import |
| 139 | sub constant { | |||
| 140 | # Arguments: what, sub | |||
| 141 | while (@_) { | |||
| 142 | if (@_ == 1) { | |||
| 143 | warnings::warnif ("Odd number of arguments for overload::constant"); | |||
| 144 | last; | |||
| 145 | } | |||
| 146 | elsif (!exists $constants {$_ [0]}) { | |||
| 147 | warnings::warnif ("`$_[0]' is not an overloadable type"); | |||
| 148 | } | |||
| 149 | elsif (!ref $_ [1] || "$_[1]" !~ /CODE\(0x[\da-f]+\)$/) { | |||
| 150 | # Can't use C<ref $_[1] eq "CODE"> above as code references can be | |||
| 151 | # blessed, and C<ref> would return the package the ref is blessed into. | |||
| 152 | if (warnings::enabled) { | |||
| 153 | $_ [1] = "undef" unless defined $_ [1]; | |||
| 154 | warnings::warn ("`$_[1]' is not a code reference"); | |||
| 155 | } | |||
| 156 | } | |||
| 157 | else { | |||
| 158 | $^H{$_[0]} = $_[1]; | |||
| 159 | $^H |= $constants{$_[0]}; | |||
| 160 | } | |||
| 161 | shift, shift; | |||
| 162 | } | |||
| 163 | } | |||
| 164 | ||||
| 165 | sub remove_constant { | |||
| 166 | # Arguments: what, sub | |||
| 167 | while (@_) { | |||
| 168 | delete $^H{$_[0]}; | |||
| 169 | $^H &= ~ $constants{$_[0]}; | |||
| 170 | shift, shift; | |||
| 171 | } | |||
| 172 | } | |||
| 173 | ||||
| 174 | 1 | 11µs | 11µs | 1; |
| 175 | ||||
| 176 | __END__ | |||
| 177 |