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24
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25
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package Convert::Binary::C::Cached; |
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26
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27
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5
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5
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69
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use strict; |
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5
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47
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5
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102
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28
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5
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5
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103
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use Convert::Binary::C; |
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5
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46
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5
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62
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29
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5
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5
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139
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use Carp; |
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5
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46
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5
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95
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30
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5
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5
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79
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use vars qw( @ISA $VERSION ); |
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5
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45
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5
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116
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31
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32
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@ISA = qw(Convert::Binary::C); |
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33
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34
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$VERSION = do { my @r = '$Snapshot: /Convert-Binary-C/0.67 $' =~ /(\d+\.\d+(?:_\d+)?)/; @r ? $r[0] : '9.99' }; |
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35
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$VERSION = eval $VERSION; |
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36
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37
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sub new |
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38
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{ |
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39
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888
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888
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1
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110901
|
my $class = shift; |
|
40
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888
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38481
|
my $self = $class->SUPER::new; |
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41
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42
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888
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10127
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$self->{cache} = undef; |
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43
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888
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16041
|
$self->{parsed} = 0; |
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44
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888
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10128
|
$self->{uses_cache} = 0; |
|
45
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46
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888
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100
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17429
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@_ % 2 and croak "Number of configuration arguments to new must be even"; |
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47
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48
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887
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100
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12133
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@_ and $self->configure(@_); |
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49
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50
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884
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12923
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return $self; |
|
51
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} |
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52
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53
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sub configure |
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54
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{ |
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55
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1861
|
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1861
|
1
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26298
|
my $self = shift; |
|
56
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57
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1861
|
100
|
100
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29221
|
if (@_ < 2 and not defined wantarray) { |
|
58
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3
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100
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49
|
$^W and carp "Useless use of configure in void context"; |
|
59
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3
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87
|
return; |
|
60
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} |
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61
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62
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1858
|
100
|
33
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24162
|
if (@_ == 0) { |
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50
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63
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910
|
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54140
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my $cfg = $self->SUPER::configure; |
|
64
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910
|
|
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13303
|
$cfg->{Cache} = $self->{cache}; |
|
65
|
910
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|
46945
|
return $cfg; |
|
66
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} |
|
67
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elsif (@_ == 1 and $_[0] eq 'Cache') { |
|
68
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0
|
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0
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return $self->{cache}; |
|
69
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} |
|
70
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71
|
948
|
|
|
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|
9857
|
my @args; |
|
72
|
|
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73
|
948
|
50
|
|
|
|
15858
|
if (@_ == 1) { |
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50
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74
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0
|
|
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|
|
0
|
@args = @_; |
|
75
|
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} |
|
76
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|
|
elsif (@_ % 2 == 0) { |
|
77
|
948
|
|
|
|
|
12180
|
while (@_) { |
|
78
|
1033
|
|
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|
|
14571
|
my %arg = splice @_, 0, 2; |
|
79
|
1033
|
100
|
|
|
|
16268
|
if (exists $arg{Cache}) { |
|
80
|
880
|
50
|
|
|
|
11270
|
if ($self->{parsed}) { |
|
|
|
100
|
|
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81
|
0
|
|
|
|
|
0
|
croak 'Cache cannot be configured after parsing'; |
|
82
|
|
|
|
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|
|
} |
|
83
|
|
|
|
|
|
|
elsif (ref $arg{Cache}) { |
|
84
|
1
|
|
|
|
|
14
|
croak 'Cache must be a string value, not a reference'; |
|
85
|
|
|
|
|
|
|
} |
|
86
|
|
|
|
|
|
|
else { |
|
87
|
879
|
50
|
|
|
|
11747
|
if (defined $arg{Cache}) { |
|
88
|
879
|
|
|
|
|
9022
|
my @missing; |
|
89
|
879
|
|
|
|
|
10325
|
eval { require Data::Dumper }; |
|
|
879
|
|
|
|
|
19041
|
|
|
90
|
879
|
100
|
|
|
|
10550
|
$@ and push @missing, 'Data::Dumper'; |
|
91
|
879
|
|
|
|
|
8999
|
eval { require IO::File }; |
|
|
879
|
|
|
|
|
13610
|
|
|
92
|
879
|
100
|
|
|
|
9922
|
$@ and push @missing, 'IO::File'; |
|
93
|
879
|
100
|
|
|
|
10634
|
if (@missing) { |
|
94
|
2
|
50
|
|
|
|
60
|
$^W and carp "Cannot load ", join(' and ', @missing), ", disabling cache"; |
|
95
|
2
|
|
|
|
|
70
|
undef $arg{Cache}; |
|
96
|
|
|
|
|
|
|
} |
|
97
|
|
|
|
|
|
|
} |
|
98
|
879
|
|
|
|
|
19394
|
$self->{cache} = $arg{Cache}; |
|
99
|
|
|
|
|
|
|
} |
|
100
|
|
|
|
|
|
|
} |
|
101
|
153
|
|
|
|
|
2698
|
else { push @args, %arg } |
|
102
|
|
|
|
|
|
|
} |
|
103
|
|
|
|
|
|
|
} |
|
104
|
|
|
|
|
|
|
|
|
105
|
947
|
|
|
|
|
32017
|
my $opt = $self; |
|
106
|
|
|
|
|
|
|
|
|
107
|
947
|
100
|
|
|
|
15519
|
if (@args) { |
|
108
|
106
|
|
|
|
|
925
|
$opt = eval { $self->SUPER::configure(@args) }; |
|
|
106
|
|
|
|
|
3093
|
|
|
109
|
106
|
100
|
|
|
|
2079
|
$@ =~ s/\s+at.*?Cached\.pm.*//s, croak $@ if $@; |
|
110
|
|
|
|
|
|
|
} |
|
111
|
|
|
|
|
|
|
|
|
112
|
909
|
|
|
|
|
13505
|
$opt; |
|
113
|
|
|
|
|
|
|
} |
|
114
|
|
|
|
|
|
|
|
|
115
|
|
|
|
|
|
|
sub clean |
|
116
|
|
|
|
|
|
|
{ |
|
117
|
46
|
|
|
46
|
1
|
486
|
my $self = shift; |
|
118
|
|
|
|
|
|
|
|
|
119
|
46
|
|
|
|
|
373
|
delete $self->{$_} for grep !/^(?:|cache|parsed|uses_cache)$/, keys %$self; |
|
|
46
|
|
|
|
|
1277
|
|
|
120
|
|
|
|
|
|
|
|
|
121
|
46
|
|
|
|
|
512
|
$self->{parsed} = 0; |
|
122
|
46
|
|
|
|
|
392
|
$self->{uses_cache} = 0; |
|
123
|
|
|
|
|
|
|
|
|
124
|
46
|
|
|
|
|
2604
|
$self->SUPER::clean; |
|
125
|
|
|
|
|
|
|
} |
|
126
|
|
|
|
|
|
|
|
|
127
|
|
|
|
|
|
|
sub clone |
|
128
|
|
|
|
|
|
|
{ |
|
129
|
3
|
|
|
3
|
1
|
28
|
my $self = shift; |
|
130
|
|
|
|
|
|
|
|
|
131
|
3
|
50
|
|
|
|
32
|
unless (defined wantarray) { |
|
132
|
3
|
100
|
|
|
|
45
|
$^W and carp "Useless use of clone in void context"; |
|
133
|
3
|
|
|
|
|
78
|
return; |
|
134
|
|
|
|
|
|
|
} |
|
135
|
|
|
|
|
|
|
|
|
136
|
0
|
|
|
|
|
0
|
my $clone = $self->SUPER::clone; |
|
137
|
|
|
|
|
|
|
|
|
138
|
0
|
|
|
|
|
0
|
for (keys %$self) { |
|
139
|
0
|
0
|
|
|
|
0
|
if ($_) { |
|
140
|
0
|
0
|
|
|
|
0
|
$clone->{$_} = ref $_ eq 'ARRAY' ? [@{$self->{$_}}] : $self->{$_}; |
|
|
0
|
|
|
|
|
0
|
|
|
141
|
|
|
|
|
|
|
} |
|
142
|
|
|
|
|
|
|
} |
|
143
|
|
|
|
|
|
|
|
|
144
|
0
|
|
|
|
|
0
|
$clone; |
|
145
|
|
|
|
|
|
|
} |
|
146
|
|
|
|
|
|
|
|
|
147
|
|
|
|
|
|
|
sub parse_file |
|
148
|
|
|
|
|
|
|
{ |
|
149
|
48
|
|
|
48
|
1
|
50865
|
my $self = shift; |
|
150
|
48
|
|
|
|
|
783
|
my($warn,$error) = $self->__parse('file', $_[0]); |
|
151
|
47
|
|
|
|
|
648
|
for my $w ( @$warn ) { carp $w } |
|
|
0
|
|
|
|
|
0
|
|
|
152
|
47
|
100
|
|
|
|
564
|
defined $error and croak $error; |
|
153
|
41
|
100
|
|
|
|
671
|
defined wantarray and return $self; |
|
154
|
|
|
|
|
|
|
} |
|
155
|
|
|
|
|
|
|
|
|
156
|
|
|
|
|
|
|
sub parse |
|
157
|
|
|
|
|
|
|
{ |
|
158
|
916
|
|
|
916
|
1
|
105195
|
my $self = shift; |
|
159
|
916
|
|
|
|
|
14071
|
my($warn,$error) = $self->__parse('code', $_[0]); |
|
160
|
915
|
|
|
|
|
10727
|
for my $w ( @$warn ) { carp $w } |
|
|
4
|
|
|
|
|
65
|
|
|
161
|
915
|
100
|
|
|
|
10077
|
defined $error and croak $error; |
|
162
|
864
|
100
|
|
|
|
21295
|
defined wantarray and return $self; |
|
163
|
|
|
|
|
|
|
} |
|
164
|
|
|
|
|
|
|
|
|
165
|
|
|
|
|
|
|
sub dependencies |
|
166
|
|
|
|
|
|
|
{ |
|
167
|
20
|
|
|
20
|
1
|
14926
|
my $self = shift; |
|
168
|
|
|
|
|
|
|
|
|
169
|
20
|
100
|
|
|
|
246
|
$self->{parsed} or croak "Call to dependencies without parse data"; |
|
170
|
|
|
|
|
|
|
|
|
171
|
17
|
100
|
|
|
|
205
|
unless (defined wantarray) { |
|
172
|
3
|
100
|
|
|
|
201
|
$^W and carp "Useless use of dependencies in void context"; |
|
173
|
3
|
|
|
|
|
88
|
return; |
|
174
|
|
|
|
|
|
|
} |
|
175
|
|
|
|
|
|
|
|
|
176
|
14
|
100
|
|
|
|
356
|
$self->{files} || $self->SUPER::dependencies; |
|
177
|
|
|
|
|
|
|
} |
|
178
|
|
|
|
|
|
|
|
|
179
|
|
|
|
|
|
|
sub __uses_cache |
|
180
|
|
|
|
|
|
|
{ |
|
181
|
853
|
|
|
853
|
|
32113
|
my $self = shift; |
|
182
|
853
|
|
|
|
|
14776
|
$self->{uses_cache}; |
|
183
|
|
|
|
|
|
|
} |
|
184
|
|
|
|
|
|
|
|
|
185
|
|
|
|
|
|
|
sub __parse |
|
186
|
|
|
|
|
|
|
{ |
|
187
|
964
|
|
|
964
|
|
9643
|
my $self = shift; |
|
188
|
|
|
|
|
|
|
|
|
189
|
964
|
100
|
|
|
|
11815
|
if (defined $self->{cache}) { |
|
190
|
877
|
100
|
|
|
|
10058
|
$self->{parsed} and croak "Cannot parse more than once for cached objects"; |
|
191
|
|
|
|
|
|
|
|
|
192
|
876
|
|
|
|
|
10643
|
$self->{$_[0]} = $_[1]; |
|
193
|
|
|
|
|
|
|
|
|
194
|
876
|
100
|
|
|
|
15272
|
if ($self->__can_use_cache) { |
|
195
|
44
|
|
|
|
|
2018
|
my @WARN; |
|
196
|
|
|
|
|
|
|
{ |
|
197
|
44
|
|
|
0
|
|
382
|
local $SIG{__WARN__} = sub { push @WARN, $_[0] }; |
|
|
44
|
|
|
|
|
1456
|
|
|
|
0
|
|
|
|
|
0
|
|
|
198
|
44
|
|
|
|
|
739
|
eval { $self->SUPER::parse_file($self->{cache}) }; |
|
|
44
|
|
|
|
|
804752
|
|
|
199
|
|
|
|
|
|
|
} |
|
200
|
44
|
100
|
66
|
|
|
1844
|
unless ($@ or @WARN) { |
|
201
|
27
|
|
|
|
|
388
|
$self->{parsed} = 1; |
|
202
|
27
|
|
|
|
|
255
|
$self->{uses_cache} = 1; |
|
203
|
27
|
|
|
|
|
371
|
return; |
|
204
|
|
|
|
|
|
|
} |
|
205
|
17
|
|
|
|
|
205
|
$self->clean; |
|
206
|
|
|
|
|
|
|
} |
|
207
|
|
|
|
|
|
|
} |
|
208
|
|
|
|
|
|
|
|
|
209
|
936
|
|
|
|
|
37542
|
$self->{parsed} = 1; |
|
210
|
|
|
|
|
|
|
|
|
211
|
936
|
|
|
|
|
19411
|
my(@warnings, $error); |
|
212
|
|
|
|
|
|
|
{ |
|
213
|
936
|
|
|
4
|
|
9135
|
local $SIG{__WARN__} = sub { push @warnings, $_[0] }; |
|
|
936
|
|
|
|
|
123946
|
|
|
|
4
|
|
|
|
|
46
|
|
|
214
|
|
|
|
|
|
|
|
|
215
|
936
|
100
|
|
|
|
14572
|
if ($_[0] eq 'file') { |
|
216
|
23
|
|
|
|
|
207
|
eval { $self->SUPER::parse_file($_[1]) }; |
|
|
23
|
|
|
|
|
256653
|
|
|
217
|
|
|
|
|
|
|
} |
|
218
|
|
|
|
|
|
|
else { |
|
219
|
913
|
|
|
|
|
9315
|
eval { $self->SUPER::parse($_[1]) }; |
|
|
913
|
|
|
|
|
209892
|
|
|
220
|
|
|
|
|
|
|
} |
|
221
|
|
|
|
|
|
|
} |
|
222
|
|
|
|
|
|
|
|
|
223
|
936
|
100
|
|
|
|
11813
|
if ($@) { |
|
224
|
57
|
|
|
|
|
531
|
$error = $@; |
|
225
|
57
|
|
|
|
|
1195
|
$error =~ s/\s+at.*?Cached\.pm.*//s; |
|
226
|
|
|
|
|
|
|
} |
|
227
|
|
|
|
|
|
|
else { |
|
228
|
879
|
100
|
|
|
|
13566
|
defined $self->{cache} and $self->__save_cache; |
|
229
|
|
|
|
|
|
|
} |
|
230
|
|
|
|
|
|
|
|
|
231
|
935
|
|
|
|
|
87078
|
for (@warnings) { s/\s+at.*?Cached\.pm.*//s } |
|
|
4
|
|
|
|
|
67
|
|
|
232
|
|
|
|
|
|
|
|
|
233
|
935
|
|
|
|
|
17444
|
(\@warnings, $error); |
|
234
|
|
|
|
|
|
|
} |
|
235
|
|
|
|
|
|
|
|
|
236
|
|
|
|
|
|
|
sub __can_use_cache |
|
237
|
|
|
|
|
|
|
{ |
|
238
|
876
|
|
|
876
|
|
11027
|
my $self = shift; |
|
239
|
876
|
|
|
|
|
21186
|
my $fh = new IO::File; |
|
240
|
|
|
|
|
|
|
|
|
241
|
876
|
100
|
66
|
|
|
29752
|
unless (-e $self->{cache} and -s _) { |
|
242
|
5
|
50
|
|
|
|
86
|
$ENV{CBCC_DEBUG} and print STDERR "CBCC: cache file '$self->{cache}' doesn't exist or is empty\n"; |
|
243
|
5
|
|
|
|
|
64
|
return 0; |
|
244
|
|
|
|
|
|
|
} |
|
245
|
|
|
|
|
|
|
|
|
246
|
871
|
50
|
|
|
|
11867
|
unless ($fh->open($self->{cache})) { |
|
247
|
0
|
0
|
|
|
|
0
|
$^W and carp "Cannot open '$self->{cache}': $!"; |
|
248
|
0
|
0
|
|
|
|
0
|
$ENV{CBCC_DEBUG} and print STDERR "CBCC: cannot open cache file '$self->{cache}'\n"; |
|
249
|
0
|
|
|
|
|
0
|
return 0; |
|
250
|
|
|
|
|
|
|
} |
|
251
|
|
|
|
|
|
|
|
|
252
|
871
|
|
|
|
|
9075
|
my @config = do { |
|
253
|
871
|
|
|
|
|
8399
|
my $config; |
|
254
|
871
|
50
|
|
|
|
41748
|
unless (defined($config = <$fh>)) { |
|
255
|
0
|
0
|
|
|
|
0
|
$ENV{CBCC_DEBUG} and print STDERR "CBCC: cannot read configuration\n"; |
|
256
|
0
|
|
|
|
|
0
|
return 0; |
|
257
|
|
|
|
|
|
|
} |
|
258
|
871
|
100
|
|
|
|
18598
|
unless ($config =~ /^#if\s+0/) { |
|
259
|
5
|
50
|
|
|
|
60
|
$ENV{CBCC_DEBUG} and print STDERR "CBCC: invalid configuration\n"; |
|
260
|
5
|
|
|
|
|
57
|
return 0; |
|
261
|
|
|
|
|
|
|
} |
|
262
|
866
|
|
|
|
|
15693
|
local $/ = $/.'#endif'; |
|
263
|
866
|
|
|
|
|
28209
|
chomp($config = <$fh>); |
|
264
|
866
|
|
|
|
|
44224
|
$config =~ s/^\*//gms; |
|
265
|
866
|
|
|
|
|
72586
|
eval $config; |
|
266
|
|
|
|
|
|
|
}; |
|
267
|
|
|
|
|
|
|
|
|
268
|
|
|
|
|
|
|
|
|
269
|
866
|
100
|
|
|
|
14289
|
if (@config % 2) { |
|
270
|
10
|
50
|
|
|
|
128
|
$ENV{CBCC_DEBUG} and print STDERR "CBCC: broken configuration\n"; |
|
271
|
10
|
|
|
|
|
125
|
return 0; |
|
272
|
|
|
|
|
|
|
} |
|
273
|
|
|
|
|
|
|
|
|
274
|
856
|
|
|
|
|
10312
|
my %config = @config; |
|
275
|
|
|
|
|
|
|
|
|
276
|
856
|
100
|
|
|
|
12145
|
my $what = exists $self->{code} ? 'code' : 'file'; |
|
277
|
|
|
|
|
|
|
|
|
278
|
856
|
100
|
100
|
|
|
52406
|
unless (exists $config{$what} and |
|
|
|
|
100
|
|
|
|
|
|
279
|
|
|
|
|
|
|
$config{$what} eq $self->{$what} and |
|
280
|
|
|
|
|
|
|
__reccmp($config{cfg}, $self->configure)) { |
|
281
|
809
|
50
|
|
|
|
14536
|
if ($ENV{CBCC_DEBUG}) { |
|
282
|
0
|
|
|
|
|
0
|
print STDERR "CBCC: configuration has changed\n"; |
|
283
|
0
|
|
|
|
|
0
|
print STDERR "CBCC: what='$what', \$config{$what}='$config{$what}' \$self->{$what}='$self->{$what}'\n"; |
|
284
|
0
|
|
|
|
|
0
|
my $dump = Data::Dumper->Dump([$config{cfg}, $self->configure], ['config', 'self']); |
|
285
|
0
|
|
|
|
|
0
|
$dump =~ s/^/CBCC: /mg; |
|
286
|
0
|
|
|
|
|
0
|
print STDERR $dump; |
|
287
|
|
|
|
|
|
|
} |
|
288
|
809
|
|
|
|
|
9471
|
return 0; |
|
289
|
|
|
|
|
|
|
} |
|
290
|
|
|
|
|
|
|
|
|
291
|
47
|
|
|
|
|
933
|
while (my($file, $spec) = each %{$config{files}}) { |
|
|
3127
|
|
|
|
|
50195
|
|
|
292
|
3083
|
50
|
|
|
|
81132
|
unless (-e $file) { |
|
293
|
0
|
0
|
|
|
|
0
|
$ENV{CBCC_DEBUG} and print STDERR "CBCC: file '$file' deleted\n"; |
|
294
|
0
|
|
|
|
|
0
|
return 0; |
|
295
|
|
|
|
|
|
|
} |
|
296
|
3083
|
|
|
|
|
38098
|
my($size, $mtime, $ctime) = (stat(_))[7,9,10]; |
|
297
|
3083
|
100
|
100
|
|
|
64275
|
unless ($spec->{size} == $size and |
|
|
|
|
66
|
|
|
|
|
|
298
|
|
|
|
|
|
|
$spec->{mtime} == $mtime and |
|
299
|
|
|
|
|
|
|
$spec->{ctime} == $ctime) { |
|
300
|
3
|
50
|
|
|
|
35
|
$ENV{CBCC_DEBUG} and print STDERR "CBCC: size/mtime/ctime of '$file' changed\n"; |
|
301
|
3
|
|
|
|
|
44
|
return 0; |
|
302
|
|
|
|
|
|
|
} |
|
303
|
|
|
|
|
|
|
} |
|
304
|
|
|
|
|
|
|
|
|
305
|
44
|
|
|
|
|
539
|
$self->{files} = $config{files}; |
|
306
|
|
|
|
|
|
|
|
|
307
|
44
|
50
|
|
|
|
1712
|
$ENV{CBCC_DEBUG} and print STDERR "CBCC: '$self->{cache}' is usable\n"; |
|
308
|
44
|
|
|
|
|
658
|
return 1; |
|
309
|
|
|
|
|
|
|
} |
|
310
|
|
|
|
|
|
|
|
|
311
|
|
|
|
|
|
|
sub __save_cache |
|
312
|
|
|
|
|
|
|
{ |
|
313
|
849
|
|
|
849
|
|
8365
|
my $self = shift; |
|
314
|
849
|
|
|
|
|
18217
|
my $fh = new IO::File; |
|
315
|
|
|
|
|
|
|
|
|
316
|
849
|
100
|
|
|
|
13866
|
$fh->open(">$self->{cache}") or croak "Cannot open '$self->{cache}': $!"; |
|
317
|
|
|
|
|
|
|
|
|
318
|
848
|
100
|
|
|
|
13786
|
my $what = exists $self->{code} ? 'code' : 'file'; |
|
319
|
|
|
|
|
|
|
|
|
320
|
848
|
|
|
|
|
18468
|
my $config = Data::Dumper->new([{ $what => $self->{$what}, |
|
321
|
|
|
|
|
|
|
cfg => $self->configure, |
|
322
|
|
|
|
|
|
|
files => scalar $self->SUPER::dependencies, |
|
323
|
|
|
|
|
|
|
}], ['*'])->Indent(1)->Dump; |
|
324
|
848
|
|
|
|
|
13889
|
$config =~ s/[^(]*//; |
|
325
|
848
|
|
|
|
|
99870
|
$config =~ s/^/*/gms; |
|
326
|
|
|
|
|
|
|
|
|
327
|
|
|
|
|
|
|
print $fh "#if 0\n", $config, "#endif\n\n", |
|
328
|
848
|
|
|
|
|
11185
|
do { local $^W; $self->sourcify({ Context => 1 }) }; |
|
|
848
|
|
|
|
|
14687
|
|
|
|
848
|
|
|
|
|
12993
|
|
|
329
|
|
|
|
|
|
|
} |
|
330
|
|
|
|
|
|
|
|
|
331
|
|
|
|
|
|
|
sub __reccmp |
|
332
|
|
|
|
|
|
|
{ |
|
333
|
1476
|
|
|
1476
|
|
16032
|
my($ref, $val) = @_; |
|
334
|
|
|
|
|
|
|
|
|
335
|
1476
|
100
|
66
|
|
|
16125
|
!defined($ref) && !defined($val) and return 1; |
|
336
|
1466
|
50
|
33
|
|
|
26280
|
!defined($ref) || !defined($val) and return 0; |
|
337
|
|
|
|
|
|
|
|
|
338
|
1466
|
100
|
|
|
|
19683
|
ref $ref or return $ref eq $val; |
|
339
|
|
|
|
|
|
|
|
|
340
|
331
|
100
|
|
|
|
6055
|
if (ref $ref eq 'ARRAY') { |
|
|
|
50
|
|
|
|
|
|
|
341
|
189
|
100
|
|
|
|
2115
|
@$ref == @$val or return 0; |
|
342
|
188
|
|
|
|
|
2518
|
for (0..$#$ref) { |
|
343
|
91
|
50
|
|
|
|
1139
|
__reccmp($ref->[$_], $val->[$_]) or return 0; |
|
344
|
|
|
|
|
|
|
} |
|
345
|
|
|
|
|
|
|
} |
|
346
|
|
|
|
|
|
|
elsif (ref $ref eq 'HASH') { |
|
347
|
142
|
50
|
|
|
|
1502
|
keys %$ref == keys %$val or return 0; |
|
348
|
142
|
|
|
|
|
1894
|
for (keys %$ref) { |
|
349
|
1337
|
100
|
|
|
|
14479
|
__reccmp($ref->{$_}, $val->{$_}) or return 0; |
|
350
|
|
|
|
|
|
|
} |
|
351
|
|
|
|
|
|
|
} |
|
352
|
0
|
|
|
|
|
0
|
else { return 0 } |
|
353
|
|
|
|
|
|
|
|
|
354
|
329
|
|
|
|
|
5867
|
return 1; |
|
355
|
|
|
|
|
|
|
} |
|
356
|
|
|
|
|
|
|
|
|
357
|
|
|
|
|
|
|
1; |
|
358
|
|
|
|
|
|
|
|
|
359
|
|
|
|
|
|
|
__END__ |
|
360
|
|
|
|
|
|
|
|
|
361
|
|
|
|
|
|
|
=head1 NAME |
|
362
|
|
|
|
|
|
|
|
|
363
|
|
|
|
|
|
|
Convert::Binary::C::Cached - Caching for Convert::Binary::C |
|
364
|
|
|
|
|
|
|
|
|
365
|
|
|
|
|
|
|
=head1 SYNOPSIS |
|
366
|
|
|
|
|
|
|
|
|
367
|
|
|
|
|
|
|
use Convert::Binary::C::Cached; |
|
368
|
|
|
|
|
|
|
use Data::Dumper; |
|
369
|
|
|
|
|
|
|
|
|
370
|
|
|
|
|
|
|
#------------------------ |
|
371
|
|
|
|
|
|
|
# Create a cached object |
|
372
|
|
|
|
|
|
|
#------------------------ |
|
373
|
|
|
|
|
|
|
$c = Convert::Binary::C::Cached->new( |
|
374
|
|
|
|
|
|
|
Cache => '/tmp/cache.c', |
|
375
|
|
|
|
|
|
|
Include => [ |
|
376
|
|
|
|
|
|
|
'/usr/lib/gcc-lib/i686-pc-linux-gnu/3.3.6/include', |
|
377
|
|
|
|
|
|
|
'/usr/include', |
|
378
|
|
|
|
|
|
|
], |
|
379
|
|
|
|
|
|
|
); |
|
380
|
|
|
|
|
|
|
|
|
381
|
|
|
|
|
|
|
#---------------------------------------------------- |
|
382
|
|
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# Parse 'time.h' and dump the definition of timespec |
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383
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#---------------------------------------------------- |
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384
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$c->parse_file('time.h'); |
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385
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386
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print Dumper($c->struct('timespec')); |
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387
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388
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=head1 DESCRIPTION |
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389
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390
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Convert::Binary::C::Cached simply adds caching capability to |
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391
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Convert::Binary::C. You can use it in just the same way that |
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392
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you would use Convert::Binary::C. The interface is exactly |
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393
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the same. |
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394
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395
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To use the caching capability, you must pass the C<Cache> option |
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396
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to the constructor. If you don't pass it, you will receive |
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397
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an ordinary Convert::Binary::C object. The argument to |
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398
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the C<Cache> option is the file that is used for caching |
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399
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this object. |
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400
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401
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The caching algorithm automatically detects when the cache |
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402
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file cannot be used and the original code has to be parsed. |
|
403
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In that case, the cache file is updated. An update of the |
|
404
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cache file can be triggered by one or more of the following |
|
405
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factors: |
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406
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407
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=over 2 |
|
408
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409
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=item * |
|
410
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|
411
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The cache file doesn't exist, which is obvious. |
|
412
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413
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=item * |
|
414
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415
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The cache file is corrupt, i.e. cannot be parsed. |
|
416
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|
417
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=item * |
|
418
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419
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The object's configuration has changed. |
|
420
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|
421
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=item * |
|
422
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|
423
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The embedded code for a L<C<parse>|Convert::Binary::C/"parse"> method |
|
424
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call has changed. |
|
425
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426
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=item * |
|
427
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|
428
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At least one of the files that the object depends on |
|
429
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does not exist or has a different size or a different |
|
430
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modification or change timestamp. |
|
431
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432
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=back |
|
433
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|
434
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=head1 LIMITATIONS |
|
435
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|
436
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You cannot |
|
437
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call L<C<parse>|Convert::Binary::C/"parse"> or L<C<parse_file>|Convert::Binary::C/"parse_file"> more |
|
438
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|
that once when using a Convert::Binary::C::Cached object. This isn't |
|
439
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|
a big problem, as you usually don't call them multiple times. |
|
440
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|
441
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|
If a dependency file changes, but the change affects neither |
|
442
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|
the size nor the timestamps of that file, the caching |
|
443
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algorithm cannot detect that an update is required. |
|
444
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|
445
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=head1 COPYRIGHT |
|
446
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|
447
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|
Copyright (c) 2002-2006 Marcus Holland-Moritz. All rights reserved. |
|
448
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|
This program is free software; you can redistribute it and/or modify |
|
449
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|
it under the same terms as Perl itself. |
|
450
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|
451
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|
=head1 SEE ALSO |
|
452
|
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|
453
|
|
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|
|
See L<Convert::Binary::C>. |
|
454
|
|
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|
455
|
|
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|
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|
|
=cut |
|
456
|
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|
457
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|