Filename | /usr/share/perl/5.28/overload.pm |
Statements | Executed 138 statements in 890µs |
Calls | P | F | Exclusive Time |
Inclusive Time |
Subroutine |
---|---|---|---|---|---|
6 | 1 | 1 | 199µs | 199µs | OVERLOAD | overload::
6 | 6 | 4 | 82µs | 281µs | import | overload::
1 | 1 | 1 | 12µs | 17µs | BEGIN@81 | overload::
1 | 1 | 1 | 8µs | 13µs | BEGIN@112 | overload::
1 | 1 | 1 | 6µs | 39µs | BEGIN@142 | overload::
0 | 0 | 0 | 0s | 0s | AddrRef | overload::
0 | 0 | 0 | 0s | 0s | Method | overload::
0 | 0 | 0 | 0s | 0s | Overloaded | overload::
0 | 0 | 0 | 0s | 0s | OverloadedStringify | overload::
0 | 0 | 0 | 0s | 0s | constant | overload::
0 | 0 | 0 | 0s | 0s | mycan | overload::
0 | 0 | 0 | 0s | 0s | nil | overload::
0 | 0 | 0 | 0s | 0s | ov_method | overload::
0 | 0 | 0 | 0s | 0s | remove_constant | overload::
0 | 0 | 0 | 0s | 0s | unimport | overload::
Line | State ments |
Time on line |
Calls | Time in subs |
Code |
---|---|---|---|---|---|
1 | package overload; | ||||
2 | |||||
3 | 1 | 400ns | our $VERSION = '1.30'; | ||
4 | |||||
5 | 1 | 7µs | %ops = ( | ||
6 | with_assign => "+ - * / % ** << >> x .", | ||||
7 | assign => "+= -= *= /= %= **= <<= >>= x= .=", | ||||
8 | num_comparison => "< <= > >= == !=", | ||||
9 | '3way_comparison' => "<=> cmp", | ||||
10 | str_comparison => "lt le gt ge eq ne", | ||||
11 | binary => '& &= | |= ^ ^= &. &.= |. |.= ^. ^.=', | ||||
12 | unary => "neg ! ~ ~.", | ||||
13 | mutators => '++ --', | ||||
14 | func => "atan2 cos sin exp abs log sqrt int", | ||||
15 | conversion => 'bool "" 0+ qr', | ||||
16 | iterators => '<>', | ||||
17 | filetest => "-X", | ||||
18 | dereferencing => '${} @{} %{} &{} *{}', | ||||
19 | matching => '~~', | ||||
20 | special => 'nomethod fallback =', | ||||
21 | ); | ||||
22 | |||||
23 | 1 | 100ns | my %ops_seen; | ||
24 | 1 | 38µs | @ops_seen{ map split(/ /), values %ops } = (); | ||
25 | |||||
26 | sub nil {} | ||||
27 | |||||
28 | # spent 199µs within overload::OVERLOAD which was called 6 times, avg 33µs/call:
# 6 times (199µs+0s) by overload::import at line 57, avg 33µs/call | ||||
29 | 6 | 2µs | $package = shift; | ||
30 | 6 | 13µs | my %arg = @_; | ||
31 | 6 | 2µs | my $sub; | ||
32 | 6 | 26µs | *{$package . "::(("} = \&nil; # Make it findable via fetchmethod. | ||
33 | 6 | 52µs | for (keys %arg) { | ||
34 | 15 | 12µs | if ($_ eq 'fallback') { | ||
35 | 6 | 58µs | for my $sym (*{$package . "::()"}) { | ||
36 | 6 | 5µs | *$sym = \&nil; # Make it findable via fetchmethod. | ||
37 | 6 | 6µs | $$sym = $arg{$_}; | ||
38 | } | ||||
39 | } else { | ||||
40 | warnings::warnif("overload arg '$_' is invalid") | ||||
41 | 9 | 10µs | unless exists $ops_seen{$_}; | ||
42 | 9 | 5µs | $sub = $arg{$_}; | ||
43 | 9 | 3µs | if (not ref $sub) { | ||
44 | 4 | 11µs | $ {$package . "::(" . $_} = $sub; | ||
45 | 4 | 3µs | $sub = \&nil; | ||
46 | } | ||||
47 | #print STDERR "Setting '$ {'package'}::\cO$_' to \\&'$sub'.\n"; | ||||
48 | 9 | 17µs | *{$package . "::(" . $_} = \&{ $sub }; | ||
49 | } | ||||
50 | } | ||||
51 | } | ||||
52 | |||||
53 | # spent 281µs (82+199) within overload::import which was called 6 times, avg 47µs/call:
# once (15µs+72µs) by Template::Exception::BEGIN@27 at line 27 of Template/Exception.pm
# once (14µs+31µs) by File::Temp::Dir::BEGIN@1543 at line 1543 of File/Temp.pm
# once (17µs+27µs) by Getopt::Long::CallBack::BEGIN@1568 at line 1568 of Getopt/Long.pm
# once (13µs+30µs) by File::Temp::BEGIN@32 at line 32 of File/Temp.pm
# once (16µs+22µs) by Path::Tiny::Error::BEGIN@2133 at line 2133 of Path/Tiny.pm
# once (7µs+17µs) by Path::Tiny::BEGIN@29 at line 32 of Path/Tiny.pm | ||||
54 | 6 | 18µs | $package = (caller())[0]; | ||
55 | # *{$package . "::OVERLOAD"} = \&OVERLOAD; | ||||
56 | 6 | 2µs | shift; | ||
57 | 6 | 41µs | 6 | 199µs | $package->overload::OVERLOAD(@_); # spent 199µs making 6 calls to overload::OVERLOAD, avg 33µs/call |
58 | } | ||||
59 | |||||
60 | sub unimport { | ||||
61 | $package = (caller())[0]; | ||||
62 | shift; | ||||
63 | *{$package . "::(("} = \&nil; | ||||
64 | for (@_) { | ||||
65 | warnings::warnif("overload arg '$_' is invalid") | ||||
66 | unless exists $ops_seen{$_}; | ||||
67 | delete $ {$package . "::"}{$_ eq 'fallback' ? '()' : "(" .$_}; | ||||
68 | } | ||||
69 | } | ||||
70 | |||||
71 | sub Overloaded { | ||||
72 | my $package = shift; | ||||
73 | $package = ref $package if ref $package; | ||||
74 | mycan ($package, '()') || mycan ($package, '(('); | ||||
75 | } | ||||
76 | |||||
77 | sub ov_method { | ||||
78 | my $globref = shift; | ||||
79 | return undef unless $globref; | ||||
80 | my $sub = \&{*$globref}; | ||||
81 | 2 | 188µs | 2 | 23µs | # spent 17µs (12+5) within overload::BEGIN@81 which was called:
# once (12µs+5µs) by Path::Tiny::BEGIN@29 at line 81 # spent 17µs making 1 call to overload::BEGIN@81
# spent 5µs making 1 call to overloading::unimport |
82 | return $sub if $sub != \&nil; | ||||
83 | return shift->can($ {*$globref}); | ||||
84 | } | ||||
85 | |||||
86 | sub OverloadedStringify { | ||||
87 | my $package = shift; | ||||
88 | $package = ref $package if ref $package; | ||||
89 | #$package->can('(""') | ||||
90 | ov_method mycan($package, '(""'), $package | ||||
91 | or ov_method mycan($package, '(0+'), $package | ||||
92 | or ov_method mycan($package, '(bool'), $package | ||||
93 | or ov_method mycan($package, '(nomethod'), $package; | ||||
94 | } | ||||
95 | |||||
96 | sub Method { | ||||
97 | my $package = shift; | ||||
98 | if(ref $package) { | ||||
99 | local $@; | ||||
100 | local $!; | ||||
101 | require Scalar::Util; | ||||
102 | $package = Scalar::Util::blessed($package); | ||||
103 | return undef if !defined $package; | ||||
104 | } | ||||
105 | #my $meth = $package->can('(' . shift); | ||||
106 | ov_method mycan($package, '(' . shift), $package; | ||||
107 | #return $meth if $meth ne \&nil; | ||||
108 | #return $ {*{$meth}}; | ||||
109 | } | ||||
110 | |||||
111 | sub AddrRef { | ||||
112 | 2 | 134µs | 2 | 17µs | # spent 13µs (8+5) within overload::BEGIN@112 which was called:
# once (8µs+5µs) by Path::Tiny::BEGIN@29 at line 112 # spent 13µs making 1 call to overload::BEGIN@112
# spent 4µs making 1 call to overloading::unimport |
113 | "$_[0]"; | ||||
114 | } | ||||
115 | |||||
116 | 1 | 1µs | *StrVal = *AddrRef; | ||
117 | |||||
118 | sub mycan { # Real can would leave stubs. | ||||
119 | my ($package, $meth) = @_; | ||||
120 | |||||
121 | local $@; | ||||
122 | local $!; | ||||
123 | require mro; | ||||
124 | |||||
125 | my $mro = mro::get_linear_isa($package); | ||||
126 | foreach my $p (@$mro) { | ||||
127 | my $fqmeth = $p . q{::} . $meth; | ||||
128 | return \*{$fqmeth} if defined &{$fqmeth}; | ||||
129 | } | ||||
130 | |||||
131 | return undef; | ||||
132 | } | ||||
133 | |||||
134 | 1 | 1µs | %constants = ( | ||
135 | 'integer' => 0x1000, # HINT_NEW_INTEGER | ||||
136 | 'float' => 0x2000, # HINT_NEW_FLOAT | ||||
137 | 'binary' => 0x4000, # HINT_NEW_BINARY | ||||
138 | 'q' => 0x8000, # HINT_NEW_STRING | ||||
139 | 'qr' => 0x10000, # HINT_NEW_RE | ||||
140 | ); | ||||
141 | |||||
142 | 2 | 224µs | 2 | 73µs | # spent 39µs (6+34) within overload::BEGIN@142 which was called:
# once (6µs+34µs) by Path::Tiny::BEGIN@29 at line 142 # spent 39µs making 1 call to overload::BEGIN@142
# spent 34µs making 1 call to warnings::register::import |
143 | sub constant { | ||||
144 | # Arguments: what, sub | ||||
145 | while (@_) { | ||||
146 | if (@_ == 1) { | ||||
147 | warnings::warnif ("Odd number of arguments for overload::constant"); | ||||
148 | last; | ||||
149 | } | ||||
150 | elsif (!exists $constants {$_ [0]}) { | ||||
151 | warnings::warnif ("'$_[0]' is not an overloadable type"); | ||||
152 | } | ||||
153 | elsif (!ref $_ [1] || "$_[1]" !~ /(^|=)CODE\(0x[0-9a-f]+\)$/) { | ||||
154 | # Can't use C<ref $_[1] eq "CODE"> above as code references can be | ||||
155 | # blessed, and C<ref> would return the package the ref is blessed into. | ||||
156 | if (warnings::enabled) { | ||||
157 | $_ [1] = "undef" unless defined $_ [1]; | ||||
158 | warnings::warn ("'$_[1]' is not a code reference"); | ||||
159 | } | ||||
160 | } | ||||
161 | else { | ||||
162 | $^H{$_[0]} = $_[1]; | ||||
163 | $^H |= $constants{$_[0]}; | ||||
164 | } | ||||
165 | shift, shift; | ||||
166 | } | ||||
167 | } | ||||
168 | |||||
169 | sub remove_constant { | ||||
170 | # Arguments: what, sub | ||||
171 | while (@_) { | ||||
172 | delete $^H{$_[0]}; | ||||
173 | $^H &= ~ $constants{$_[0]}; | ||||
174 | shift, shift; | ||||
175 | } | ||||
176 | } | ||||
177 | |||||
178 | 1 | 10µs | 1; | ||
179 | |||||
180 | __END__ |