Profile of Class/Struct.pm

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For xt/tapper-mcp-scheduler-with-db-longrun.t
Run on Tue May 22 17:18:39 2012
Reported on Tue May 22 17:22:37 2012

Filename | /2home/ss5/perl5/perlbrew/perls/perl-5.12.3/lib/5.12.3/Class/Struct.pm
Statements | Executed 369 statements in 1.52ms

Subroutines
Calls | P | F | Exclusive Time | Inclusive Time | Subroutine
--- | --- | --- | --- | --- | ---
1 | 1 | 1 | 737µs | 798µs | Class::Struct::::struct Class::Struct::struct
1 | 1 | 1 | 65µs | 65µs | Class::Struct::::BEGIN@5 Class::Struct::BEGIN@5
1 | 1 | 1 | 13µs | 20µs | Class::Struct::::BEGIN@7 Class::Struct::BEGIN@7
1 | 1 | 1 | 12µs | 143µs | Class::Struct::::import Class::Struct::import
1 | 1 | 1 | 9µs | 85µs | Class::Struct::::BEGIN@8 Class::Struct::BEGIN@8
1 | 1 | 1 | 9µs | 66µs | Class::Struct::::BEGIN@11 Class::Struct::BEGIN@11
1 | 1 | 1 | 7µs | 24µs | Class::Struct::::BEGIN@99 Class::Struct::BEGIN@99
1 | 1 | 1 | 7µs | 15µs | Class::Struct::::BEGIN@108 Class::Struct::BEGIN@108
1 | 1 | 1 | 6µs | 14µs | Class::Struct::::BEGIN@188 Class::Struct::BEGIN@188
1 | 1 | 1 | 6µs | 6µs | Class::Struct::Tie_ISA::::TIEARRAYClass::Struct::Tie_ISA::TIEARRAY
13 | 1 | 1 | 2µs | 2µs | Class::Struct::::CORE:match Class::Struct::CORE:match (opcode)
0 | 0 | 0 | 0s | 0s | Class::Struct::Tie_ISA::::DESTROYClass::Struct::Tie_ISA::DESTROY
0 | 0 | 0 | 0s | 0s | Class::Struct::Tie_ISA::::FETCHClass::Struct::Tie_ISA::FETCH
0 | 0 | 0 | 0s | 0s | Class::Struct::Tie_ISA::::FETCHSIZEClass::Struct::Tie_ISA::FETCHSIZE
0 | 0 | 0 | 0s | 0s | Class::Struct::Tie_ISA::::STOREClass::Struct::Tie_ISA::STORE
0 | 0 | 0 | 0s | 0s | Class::Struct::::_subclass_error Class::Struct::_subclass_error
0 | 0 | 0 | 0s | 0s | Class::Struct::::_usage_error Class::Struct::_usage_error
0 | 0 | 0 | 0s | 0s | Class::Struct::::printem Class::Struct::printem

Call graph for these subroutines as a Graphviz dot language file.

Line | State ments | Time on line | Calls | Time in subs | Code
--- | --- | --- | --- | --- | ---
1 |  |  |  |  | package Class::Struct;
2 |  |  |  |  |
3 |  |  |  |  | ## See POD after __END__
4 |  |  |  |  |
5 | 3 | 73µs | 1 | 65µs | # spent 65µs within Class::Struct::BEGIN@5 which was called: # once (65µs+0s) by File::stat::BEGIN@174 at line 5 use 5.006_001; # spent 65µs making 1 call to Class::Struct::BEGIN@5
6 |  |  |  |  |
7 | 3 | 21µs | 2 | 26µs | # spent 20µs (13+7) within Class::Struct::BEGIN@7 which was called: # once (13µs+7µs) by File::stat::BEGIN@174 at line 7 use strict; # spent 20µs making 1 call to Class::Struct::BEGIN@7 # spent 7µs making 1 call to strict::import
8 | 3 | 43µs | 2 | 162µs | # spent 85µs (9+76) within Class::Struct::BEGIN@8 which was called: # once (9µs+76µs) by File::stat::BEGIN@174 at line 8 use warnings::register; # spent 85µs making 1 call to Class::Struct::BEGIN@8 # spent 76µs making 1 call to warnings::register::import
9 | 1 | 600ns |  |  | our(@ISA, @EXPORT, $VERSION);
10 |  |  |  |  |
11 | 3 | 343µs | 2 | 123µs | # spent 66µs (9+57) within Class::Struct::BEGIN@11 which was called: # once (9µs+57µs) by File::stat::BEGIN@174 at line 11 use Carp; # spent 66µs making 1 call to Class::Struct::BEGIN@11 # spent 57µs making 1 call to Exporter::import
12 |  |  |  |  |
13 | 1 | 600ns |  |  | require Exporter;
14 | 1 | 10µs |  |  | @ISA = qw(Exporter);
15 | 1 | 500ns |  |  | @EXPORT = qw(struct);
16 |  |  |  |  |
17 | 1 | 400ns |  |  | $VERSION = '0.63';
18 |  |  |  |  |
19 |  |  |  |  | ## Tested on 5.002 and 5.003 without class membership tests:
20 | 1 | 2µs |  |  | my $CHECK_CLASS_MEMBERSHIP = ($] >= 5.003_95);
21 |  |  |  |  |
22 | 1 | 300ns |  |  | my $print = 0;
23 |  |  |  |  | sub printem {
24 |  |  |  |  | if (@_) { $print = shift }
25 |  |  |  |  | else { $print++ }
26 |  |  |  |  | }
27 |  |  |  |  |
28 |  |  |  |  | {
29 | 1 | 800ns |  |  | package Class::Struct::Tie_ISA;
30 |  |  |  |  |
31 |  |  |  |  | # spent 6µs within Class::Struct::Tie_ISA::TIEARRAY which was called: # once (6µs+0s) by Class::Struct::struct at line 103 sub TIEARRAY {
32 | 2 | 9µs |  |  | my $class = shift;
33 |  |  |  |  | return bless [], $class;
34 |  |  |  |  | }
35 |  |  |  |  |
36 |  |  |  |  | sub STORE {
37 |  |  |  |  | my ($self, $index, $value) = @_;
38 |  |  |  |  | Class::Struct::_subclass_error();
39 |  |  |  |  | }
40 |  |  |  |  |
41 |  |  |  |  | sub FETCH {
42 |  |  |  |  | my ($self, $index) = @_;
43 |  |  |  |  | $self->[$index];
44 |  |  |  |  | }
45 |  |  |  |  |
46 |  |  |  |  | sub FETCHSIZE {
47 |  |  |  |  | my $self = shift;
48 |  |  |  |  | return scalar(@$self);
49 |  |  |  |  | }
50 |  |  |  |  |
51 |  |  |  |  | sub DESTROY { }
52 |  |  |  |  | }
53 |  |  |  |  |
54 |  |  |  |  | # spent 143µs (12+131) within Class::Struct::import which was called: # once (12µs+131µs) by File::stat::BEGIN@174 at line 174 of File/stat.pm sub import {
55 | 2 | 9µs |  |  | my $self = shift;
56 |  |  |  |  |
57 |  |  | 1 | 32µs | if ( @_ == 0 ) { # spent 32µs making 1 call to Exporter::export_to_level
58 |  |  |  |  | $self->export_to_level( 1, $self, @EXPORT );
59 |  |  |  |  | } elsif ( @_ == 1 ) {
60 |  |  |  |  | # This is admittedly a little bit silly:
61 |  |  |  |  | # do we ever export anything else than 'struct'...?
62 |  |  |  |  | $self->export_to_level( 1, $self, @_ );
63 |  |  |  |  | } else {
64 |  |  |  |  | goto &struct;
65 |  |  |  |  | }
66 |  |  |  |  | }
67 |  |  |  |  |
68 |  |  |  |  | # spent 798µs (737+61) within Class::Struct::struct which was called: # once (737µs+61µs) by IO::Dir::BEGIN@18 at line 176 of File/stat.pm sub struct {
69 |  |  |  |  |
70 |  |  |  |  | # Determine parameter list structure, one of:
71 |  |  |  |  | # struct( class => [ element-list ])
72 |  |  |  |  | # struct( class => { element-list })
73 |  |  |  |  | # struct( element-list )
74 |  |  |  |  | # Latter form assumes current package name as struct name.
75 |  |  |  |  |
76 | 335 | 262µs |  |  | my ($class, @decls);
77 |  |  |  |  | my $base_type = ref $_[1];
78 |  |  |  |  | if ( $base_type eq 'HASH' ) {
79 |  |  |  |  | $class = shift;
80 |  |  |  |  | @decls = %{shift()};
81 |  |  |  |  | _usage_error() if @_;
82 |  |  |  |  | }
83 |  |  |  |  | elsif ( $base_type eq 'ARRAY' ) {
84 |  |  |  |  | $class = shift;
85 |  |  |  |  | @decls = @{shift()};
86 |  |  |  |  | _usage_error() if @_;
87 |  |  |  |  | }
88 |  |  |  |  | else {
89 |  |  |  |  | $base_type = 'ARRAY';
90 |  |  |  |  | $class = (caller())[0];
91 |  |  |  |  | @decls = @_;
92 |  |  |  |  | }
93 |  |  |  |  |
94 |  |  |  |  | _usage_error() if @decls % 2 == 1;
95 |  |  |  |  |
96 |  |  |  |  | # Ensure we are not, and will not be, a subclass.
97 |  |  |  |  |
98 |  |  |  |  | my $isa = do {
99 | 3 | 50µs | 2 | 41µs | # spent 24µs (7+17) within Class::Struct::BEGIN@99 which was called: # once (7µs+17µs) by File::stat::BEGIN@174 at line 99 no strict 'refs'; # spent 24µs making 1 call to Class::Struct::BEGIN@99 # spent 17µs making 1 call to strict::unimport
100 |  |  |  |  | \@{$class . '::ISA'};
101 |  |  |  |  | };
102 |  |  |  |  | _subclass_error() if @$isa;
103 | 1 | 1µs | 1 | 6µs | tie @$isa, 'Class::Struct::Tie_ISA'; # spent 6µs making 1 call to Class::Struct::Tie_ISA::TIEARRAY
104 |  |  |  |  |
105 |  |  |  |  | # Create constructor.
106 |  |  |  |  |
107 |  |  |  |  | croak "function 'new' already defined in package $class"
108 | 3 | 378µs | 2 | 22µs | # spent 15µs (7+8) within Class::Struct::BEGIN@108 which was called: # once (7µs+8µs) by File::stat::BEGIN@174 at line 108 if do { no strict 'refs'; defined &{$class . "::new"} }; # spent 15µs making 1 call to Class::Struct::BEGIN@108 # spent 8µs making 1 call to strict::unimport
109 |  |  |  |  |
110 |  |  |  |  | my @methods = ();
111 |  |  |  |  | my %refs = ();
112 |  |  |  |  | my %arrays = ();
113 |  |  |  |  | my %hashes = ();
114 |  |  |  |  | my %classes = ();
115 |  |  |  |  | my $got_class = 0;
116 |  |  |  |  | my $out = '';
117 |  |  |  |  |
118 |  |  |  |  | $out = "{\n package $class;\n use Carp;\n sub new {\n";
119 |  |  |  |  | $out .= " my (\$class, \%init) = \@_;\n";
120 |  |  |  |  | $out .= " \$class = __PACKAGE__ unless \@_;\n";
121 |  |  |  |  |
122 |  |  |  |  | my $cnt = 0;
123 |  |  |  |  | my $idx = 0;
124 |  |  |  |  | my( $cmt, $name, $type, $elem );
125 |  |  |  |  |
126 |  |  |  |  | if( $base_type eq 'HASH' ){
127 |  |  |  |  | $out .= " my(\$r) = {};\n";
128 |  |  |  |  | $cmt = '';
129 |  |  |  |  | }
130 |  |  |  |  | elsif( $base_type eq 'ARRAY' ){
131 |  |  |  |  | $out .= " my(\$r) = [];\n";
132 |  |  |  |  | }
133 |  |  |  |  | while( $idx < @decls ){
134 |  |  |  |  | $name = $decls[$idx];
135 |  |  |  |  | $type = $decls[$idx+1];
136 |  |  |  |  | push( @methods, $name );
137 |  |  |  |  | if( $base_type eq 'HASH' ){
138 |  |  |  |  | $elem = "{'${class}::$name'}";
139 |  |  |  |  | }
140 |  |  |  |  | elsif( $base_type eq 'ARRAY' ){
141 |  |  |  |  | $elem = "[$cnt]";
142 |  |  |  |  | ++$cnt;
143 |  |  |  |  | $cmt = " # $name";
144 |  |  |  |  | }
145 |  |  | 13 | 2µs | if( $type =~ /^\*(.)/ ){ # spent 2µs making 13 calls to Class::Struct::CORE:match, avg 192ns/call
146 |  |  |  |  | $refs{$name}++;
147 |  |  |  |  | $type = $1;
148 |  |  |  |  | }
149 |  |  |  |  | my $init = "defined(\$init{'$name'}) ? \$init{'$name'} :";
150 |  |  |  |  | if( $type eq '@' ){
151 |  |  |  |  | $out .= " croak 'Initializer for $name must be array reference'\n";
152 |  |  |  |  | $out .= " if defined(\$init{'$name'}) && ref(\$init{'$name'}) ne 'ARRAY';\n";
153 |  |  |  |  | $out .= " \$r->$elem = $init [];$cmt\n";
154 |  |  |  |  | $arrays{$name}++;
155 |  |  |  |  | }
156 |  |  |  |  | elsif( $type eq '%' ){
157 |  |  |  |  | $out .= " croak 'Initializer for $name must be hash reference'\n";
158 |  |  |  |  | $out .= " if defined(\$init{'$name'}) && ref(\$init{'$name'}) ne 'HASH';\n";
159 |  |  |  |  | $out .= " \$r->$elem = $init {};$cmt\n";
160 |  |  |  |  | $hashes{$name}++;
161 |  |  |  |  | }
162 |  |  |  |  | elsif ( $type eq '$') {
163 |  |  |  |  | $out .= " \$r->$elem = $init undef;$cmt\n";
164 |  |  |  |  | }
165 |  |  |  |  | elsif( $type =~ /^\w+(?:::\w+)*$/ ){
166 |  |  |  |  | $out .= " if (defined(\$init{'$name'})) {\n";
167 |  |  |  |  | $out .= " if (ref \$init{'$name'} eq 'HASH')\n";
168 |  |  |  |  | $out .= " { \$r->$elem = $type->new(\%{\$init{'$name'}}) } $cmt\n";
169 |  |  |  |  | $out .= " elsif (UNIVERSAL::isa(\$init{'$name'}, '$type'))\n";
170 |  |  |  |  | $out .= " { \$r->$elem = \$init{'$name'} } $cmt\n";
171 |  |  |  |  | $out .= " else { croak 'Initializer for $name must be hash or $type reference' }\n";
172 |  |  |  |  | $out .= " }\n";
173 |  |  |  |  | $classes{$name} = $type;
174 |  |  |  |  | $got_class = 1;
175 |  |  |  |  | }
176 |  |  |  |  | else{
177 |  |  |  |  | croak "'$type' is not a valid struct element type";
178 |  |  |  |  | }
179 |  |  |  |  | $idx += 2;
180 |  |  |  |  | }
181 |  |  |  |  | $out .= " bless \$r, \$class;\n }\n";
182 |  |  |  |  |
183 |  |  |  |  | # Create accessor methods.
184 |  |  |  |  |
185 |  |  |  |  | my( $pre, $pst, $sel );
186 |  |  |  |  | $cnt = 0;
187 |  |  |  |  | foreach $name (@methods){
188 | 3 | 309µs | 2 | 22µs | # spent 14µs (6+8) within Class::Struct::BEGIN@188 which was called: # once (6µs+8µs) by File::stat::BEGIN@174 at line 188 if ( do { no strict 'refs'; defined &{$class . "::$name"} } ) { # spent 14µs making 1 call to Class::Struct::BEGIN@188 # spent 8µs making 1 call to strict::unimport
189 |  |  |  |  | warnings::warnif("function '$name' already defined, overrides struct accessor method");
190 |  |  |  |  | }
191 |  |  |  |  | else {
192 |  |  |  |  | $pre = $pst = $cmt = $sel = '';
193 |  |  |  |  | if( defined $refs{$name} ){
194 |  |  |  |  | $pre = "\\(";
195 |  |  |  |  | $pst = ")";
196 |  |  |  |  | $cmt = " # returns ref";
197 |  |  |  |  | }
198 |  |  |  |  | $out .= " sub $name {$cmt\n my \$r = shift;\n";
199 |  |  |  |  | if( $base_type eq 'ARRAY' ){
200 |  |  |  |  | $elem = "[$cnt]";
201 |  |  |  |  | ++$cnt;
202 |  |  |  |  | }
203 |  |  |  |  | elsif( $base_type eq 'HASH' ){
204 |  |  |  |  | $elem = "{'${class}::$name'}";
205 |  |  |  |  | }
206 |  |  |  |  | if( defined $arrays{$name} ){
207 |  |  |  |  | $out .= " my \$i;\n";
208 |  |  |  |  | $out .= " \@_ ? (\$i = shift) : return \$r->$elem;\n";
209 |  |  |  |  | $out .= " if (ref(\$i) eq 'ARRAY' && !\@_) { \$r->$elem = \$i; return \$r }\n";
210 |  |  |  |  | $sel = "->[\$i]";
211 |  |  |  |  | }
212 |  |  |  |  | elsif( defined $hashes{$name} ){
213 |  |  |  |  | $out .= " my \$i;\n";
214 |  |  |  |  | $out .= " \@_ ? (\$i = shift) : return \$r->$elem;\n";
215 |  |  |  |  | $out .= " if (ref(\$i) eq 'HASH' && !\@_) { \$r->$elem = \$i; return \$r }\n";
216 |  |  |  |  | $sel = "->{\$i}";
217 |  |  |  |  | }
218 |  |  |  |  | elsif( defined $classes{$name} ){
219 |  |  |  |  | if ( $CHECK_CLASS_MEMBERSHIP ) {
220 |  |  |  |  | $out .= " croak '$name argument is wrong class' if \@_ && ! UNIVERSAL::isa(\$_[0], '$classes{$name}');\n";
221 |  |  |  |  | }
222 |  |  |  |  | }
223 |  |  |  |  | $out .= " croak 'Too many args to $name' if \@_ > 1;\n";
224 |  |  |  |  | $out .= " \@_ ? ($pre\$r->$elem$sel = shift$pst) : $pre\$r->$elem$sel$pst;\n";
225 |  |  |  |  | $out .= " }\n";
226 |  |  |  |  | }
227 |  |  |  |  | }
228 |  |  |  |  | $out .= "}\n1;\n";
229 |  |  |  |  |
230 |  |  |  |  | print $out if $print;
231 |  |  |  |  | my $result = eval $out; # spent 488µs executing statements in string eval # includes 15µs spent executing 1 call to 15 subs defined therein.
232 |  |  |  |  | carp $@ if $@;
233 |  |  |  |  | }
234 |  |  |  |  |
235 |  |  |  |  | sub _usage_error {
236 |  |  |  |  | confess "struct usage error";
237 |  |  |  |  | }
238 |  |  |  |  |
239 |  |  |  |  | sub _subclass_error {
240 |  |  |  |  | croak 'struct class cannot be a subclass (@ISA not allowed)';
241 |  |  |  |  | }
242 |  |  |  |  |
243 | 1 | 6µs |  |  | 1; # for require
244 |  |  |  |  |
245 |  |  |  |  |
246 |  |  |  |  | __END__
|  |  |  |  | # spent 2µs within Class::Struct::CORE:match which was called 13 times, avg 192ns/call: # 13 times (2µs+0s) by Class::Struct::struct at line 145, avg 192ns/call sub Class::Struct::CORE:match; # opcode