Filename | C:/tmp64ng/perl/lib/base.pm |
Statements | Executed 78 statements in 0s |
Calls | P | F | Exclusive Time |
Inclusive Time |
Subroutine |
---|---|---|---|---|---|
1 | 1 | 1 | 0s | 0s | BEGIN@3 | base::
1 | 1 | 1 | 0s | 0s | BEGIN@4 | base::
2 | 1 | 1 | 0s | 0s | CORE:match (opcode) | base::
2 | 1 | 1 | 0s | 0s | CORE:subst (opcode) | base::
0 | 0 | 0 | 0s | 0s | __ANON__[:48] | base::
0 | 0 | 0 | 0s | 0s | __ANON__[:55] | base::
0 | 0 | 0 | 0s | 0s | __ANON__[:63] | base::
2 | 1 | 1 | 0s | 0s | __ANON__[:71] | base::
0 | 0 | 0 | 0s | 0s | get_attr | base::
2 | 1 | 1 | 0s | 0s | has_attr | base::
2 | 1 | 1 | 0s | 0s | has_fields | base::
2 | 2 | 2 | 0s | 0s | import | base::
0 | 0 | 0 | 0s | 0s | inherit_fields | base::
Line | State ments |
Time on line |
Calls | Time in subs |
Code |
---|---|---|---|---|---|
1 | package base; | ||||
2 | |||||
3 | 2 | 0s | 2 | 0s | # spent 0s within base::BEGIN@3 which was called:
# once (0s+0s) by ExtUtils::MakeMaker::Locale::BEGIN@6 at line 3 # spent 0s making 1 call to base::BEGIN@3
# spent 0s making 1 call to strict::import |
4 | 2 | 0s | 2 | 0s | # spent 0s within base::BEGIN@4 which was called:
# once (0s+0s) by ExtUtils::MakeMaker::Locale::BEGIN@6 at line 4 # spent 0s making 1 call to base::BEGIN@4
# spent 0s making 1 call to vars::import |
5 | 1 | 0s | $VERSION = '2.22'; | ||
6 | 1 | 0s | $VERSION = eval $VERSION; # spent 0s executing statements in string eval | ||
7 | |||||
8 | # constant.pm is slow | ||||
9 | sub SUCCESS () { 1 } | ||||
10 | |||||
11 | sub PUBLIC () { 2**0 } | ||||
12 | sub PRIVATE () { 2**1 } | ||||
13 | sub INHERITED () { 2**2 } | ||||
14 | sub PROTECTED () { 2**3 } | ||||
15 | |||||
16 | |||||
17 | 1 | 0s | my $Fattr = \%fields::attr; | ||
18 | |||||
19 | # spent 0s within base::has_fields which was called 2 times, avg 0s/call:
# 2 times (0s+0s) by base::import at line 126, avg 0s/call | ||||
20 | 2 | 0s | my($base) = shift; | ||
21 | 2 | 0s | my $fglob = ${"$base\::"}{FIELDS}; | ||
22 | 2 | 0s | return( ($fglob && 'GLOB' eq ref($fglob) && *$fglob{HASH}) ? 1 : 0 ); | ||
23 | } | ||||
24 | |||||
25 | # spent 0s within base::has_attr which was called 2 times, avg 0s/call:
# 2 times (0s+0s) by base::import at line 126, avg 0s/call | ||||
26 | 2 | 0s | my($proto) = shift; | ||
27 | 2 | 0s | my($class) = ref $proto || $proto; | ||
28 | 2 | 0s | return exists $Fattr->{$class}; | ||
29 | } | ||||
30 | |||||
31 | sub get_attr { | ||||
32 | $Fattr->{$_[0]} = [1] unless $Fattr->{$_[0]}; | ||||
33 | return $Fattr->{$_[0]}; | ||||
34 | } | ||||
35 | |||||
36 | 1 | 0s | if ($] < 5.009) { | ||
37 | *get_fields = sub { | ||||
38 | # Shut up a possible typo warning. | ||||
39 | () = \%{$_[0].'::FIELDS'}; | ||||
40 | my $f = \%{$_[0].'::FIELDS'}; | ||||
41 | |||||
42 | # should be centralized in fields? perhaps | ||||
43 | # fields::mk_FIELDS_be_OK. Peh. As long as %{ $package . '::FIELDS' } | ||||
44 | # is used here anyway, it doesn't matter. | ||||
45 | bless $f, 'pseudohash' if (ref($f) ne 'pseudohash'); | ||||
46 | |||||
47 | return $f; | ||||
48 | } | ||||
49 | } | ||||
50 | else { | ||||
51 | *get_fields = sub { | ||||
52 | # Shut up a possible typo warning. | ||||
53 | () = \%{$_[0].'::FIELDS'}; | ||||
54 | return \%{$_[0].'::FIELDS'}; | ||||
55 | } | ||||
56 | 1 | 0s | } | ||
57 | |||||
58 | 1 | 0s | if ($] < 5.008) { | ||
59 | *_module_to_filename = sub { | ||||
60 | (my $fn = $_[0]) =~ s!::!/!g; | ||||
61 | $fn .= '.pm'; | ||||
62 | return $fn; | ||||
63 | } | ||||
64 | } | ||||
65 | else { | ||||
66 | # spent 0s within base::__ANON__[C:/tmp64ng/perl/lib/base.pm:71] which was called 2 times, avg 0s/call:
# 2 times (0s+0s) by base::import at line 98, avg 0s/call | ||||
67 | 2 | 0s | 2 | 0s | (my $fn = $_[0]) =~ s!::!/!g; # spent 0s making 2 calls to base::CORE:subst, avg 0s/call |
68 | 2 | 0s | $fn .= '.pm'; | ||
69 | 2 | 0s | 2 | 0s | utf8::encode($fn); # spent 0s making 2 calls to utf8::encode, avg 0s/call |
70 | 2 | 0s | return $fn; | ||
71 | } | ||||
72 | 1 | 0s | } | ||
73 | |||||
74 | |||||
75 | # spent 0s within base::import which was called 2 times, avg 0s/call:
# once (0s+0s) by ExtUtils::MakeMaker::Locale::BEGIN@6 at line 6 of ExtUtils/MakeMaker/Locale.pm
# once (0s+0s) by JSON::PP::BEGIN@7 at line 7 of JSON/PP.pm | ||||
76 | 2 | 0s | my $class = shift; | ||
77 | |||||
78 | 2 | 0s | return SUCCESS unless @_; | ||
79 | |||||
80 | # List of base classes from which we will inherit %FIELDS. | ||||
81 | 2 | 0s | my $fields_base; | ||
82 | |||||
83 | 2 | 0s | my $inheritor = caller(0); | ||
84 | |||||
85 | 2 | 0s | my @bases; | ||
86 | 2 | 0s | foreach my $base (@_) { | ||
87 | 2 | 0s | if ( $inheritor eq $base ) { | ||
88 | warn "Class '$inheritor' tried to inherit from itself\n"; | ||||
89 | } | ||||
90 | |||||
91 | 2 | 0s | 2 | 0s | next if grep $_->isa($base), ($inheritor, @bases); # spent 0s making 2 calls to UNIVERSAL::isa, avg 0s/call |
92 | |||||
93 | # Following blocks help isolate $SIG{__DIE__} changes | ||||
94 | { | ||||
95 | 4 | 0s | my $sigdie; | ||
96 | { | ||||
97 | 4 | 0s | local $SIG{__DIE__}; | ||
98 | 2 | 0s | 2 | 0s | my $fn = _module_to_filename($base); # spent 0s making 2 calls to base::__ANON__[base.pm:71], avg 0s/call |
99 | 4 | 0s | eval { require $fn }; | ||
100 | # Only ignore "Can't locate" errors from our eval require. | ||||
101 | # Other fatal errors (syntax etc) must be reported. | ||||
102 | # | ||||
103 | # changing the check here is fragile - if the check | ||||
104 | # here isn't catching every error you want, you should | ||||
105 | # probably be using parent.pm, which doesn't try to | ||||
106 | # guess whether require is needed or failed, | ||||
107 | # see [perl #118561] | ||||
108 | 2 | 0s | 2 | 0s | die if $@ && $@ !~ /^Can't locate \Q$fn\E .*? at .* line [0-9]+(?:, <[^>]*> (?:line|chunk) [0-9]+)?\.\n\z/s # spent 0s making 2 calls to base::CORE:match, avg 0s/call |
109 | || $@ =~ /Compilation failed in require at .* line [0-9]+(?:, <[^>]*> (?:line|chunk) [0-9]+)?\.\n\z/; | ||||
110 | 2 | 0s | unless (%{"$base\::"}) { | ||
111 | require Carp; | ||||
112 | local $" = " "; | ||||
113 | Carp::croak(<<ERROR); | ||||
114 | Base class package "$base" is empty. | ||||
115 | (Perhaps you need to 'use' the module which defines that package first, | ||||
116 | or make that module available in \@INC (\@INC contains: @INC). | ||||
117 | ERROR | ||||
118 | } | ||||
119 | 2 | 0s | $sigdie = $SIG{__DIE__} || undef; | ||
120 | } | ||||
121 | # Make sure a global $SIG{__DIE__} makes it out of the localization. | ||||
122 | 2 | 0s | $SIG{__DIE__} = $sigdie if defined $sigdie; | ||
123 | } | ||||
124 | 2 | 0s | push @bases, $base; | ||
125 | |||||
126 | 2 | 0s | 4 | 0s | if ( has_fields($base) || has_attr($base) ) { # spent 0s making 2 calls to base::has_attr, avg 0s/call
# spent 0s making 2 calls to base::has_fields, avg 0s/call |
127 | # No multiple fields inheritance *suck* | ||||
128 | if ($fields_base) { | ||||
129 | require Carp; | ||||
130 | Carp::croak("Can't multiply inherit fields"); | ||||
131 | } else { | ||||
132 | $fields_base = $base; | ||||
133 | } | ||||
134 | } | ||||
135 | } | ||||
136 | # Save this until the end so it's all or nothing if the above loop croaks. | ||||
137 | 2 | 0s | push @{"$inheritor\::ISA"}, @bases; | ||
138 | |||||
139 | 2 | 0s | if( defined $fields_base ) { | ||
140 | inherit_fields($inheritor, $fields_base); | ||||
141 | } | ||||
142 | } | ||||
143 | |||||
144 | |||||
145 | sub inherit_fields { | ||||
146 | my($derived, $base) = @_; | ||||
147 | |||||
148 | return SUCCESS unless $base; | ||||
149 | |||||
150 | my $battr = get_attr($base); | ||||
151 | my $dattr = get_attr($derived); | ||||
152 | my $dfields = get_fields($derived); | ||||
153 | my $bfields = get_fields($base); | ||||
154 | |||||
155 | $dattr->[0] = @$battr; | ||||
156 | |||||
157 | if( keys %$dfields ) { | ||||
158 | warn <<"END"; | ||||
159 | $derived is inheriting from $base but already has its own fields! | ||||
160 | This will cause problems. Be sure you use base BEFORE declaring fields. | ||||
161 | END | ||||
162 | |||||
163 | } | ||||
164 | |||||
165 | # Iterate through the base's fields adding all the non-private | ||||
166 | # ones to the derived class. Hang on to the original attribute | ||||
167 | # (Public, Private, etc...) and add Inherited. | ||||
168 | # This is all too complicated to do efficiently with add_fields(). | ||||
169 | while (my($k,$v) = each %$bfields) { | ||||
170 | my $fno; | ||||
171 | if ($fno = $dfields->{$k} and $fno != $v) { | ||||
172 | require Carp; | ||||
173 | Carp::croak ("Inherited fields can't override existing fields"); | ||||
174 | } | ||||
175 | |||||
176 | if( $battr->[$v] & PRIVATE ) { | ||||
177 | $dattr->[$v] = PRIVATE | INHERITED; | ||||
178 | } | ||||
179 | else { | ||||
180 | $dattr->[$v] = INHERITED | $battr->[$v]; | ||||
181 | $dfields->{$k} = $v; | ||||
182 | } | ||||
183 | } | ||||
184 | |||||
185 | foreach my $idx (1..$#{$battr}) { | ||||
186 | next if defined $dattr->[$idx]; | ||||
187 | $dattr->[$idx] = $battr->[$idx] & INHERITED; | ||||
188 | } | ||||
189 | } | ||||
190 | |||||
191 | |||||
192 | 1 | 0s | 1; | ||
193 | |||||
194 | __END__ | ||||
# spent 0s within base::CORE:match which was called 2 times, avg 0s/call:
# 2 times (0s+0s) by base::import at line 108, avg 0s/call | |||||
# spent 0s within base::CORE:subst which was called 2 times, avg 0s/call:
# 2 times (0s+0s) by base::__ANON__[C:/tmp64ng/perl/lib/base.pm:71] at line 67, avg 0s/call |