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package Data::Util::Error; |
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3
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20
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20
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107236
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use strict; |
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20
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27
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20
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512
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4
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20
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20
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61
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use warnings; |
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20
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21
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20
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475
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5
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20
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20
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664
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use Data::Util (); |
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20
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20
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20
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5037
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6
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7
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sub import{ |
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6
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6
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3244
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my $class = shift; |
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6
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100
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34
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$class->fail_handler(scalar(caller) => @_) if @_; |
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} |
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12
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my %FailHandler; |
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sub fail_handler :method{ |
14
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159
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159
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1
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1189
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shift; # this class |
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16
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159
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134
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my $pkg = shift; |
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159
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161
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my $h = $FailHandler{$pkg}; # old handler |
18
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19
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159
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100
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221
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if(@_){ # set |
20
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6
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29
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$FailHandler{$pkg} = Data::Util::code_ref(shift); |
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} |
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else{ # get |
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153
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50
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256
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require MRO::Compat if $] < 5.010_000; |
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153
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50
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7046
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require mro if $] >= 5.011_000; |
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26
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153
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10053
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foreach my $p(@{mro::get_linear_isa($pkg)}){ |
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153
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466
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27
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157
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100
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319
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if(defined( $h = $FailHandler{$p} )){ |
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12
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13
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last; |
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} |
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} |
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} |
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33
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34
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157
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261
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return $h; |
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} |
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37
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sub croak{ |
38
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147
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147
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1
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39616
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require Carp; |
39
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40
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147
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123
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my $caller_pkg; |
41
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147
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137
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my $i = 0; |
42
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147
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302
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while( defined( $caller_pkg = caller $i) ){ |
43
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301
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100
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6239
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if($caller_pkg ne 'Data::Util'){ |
44
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147
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139
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last; |
45
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} |
46
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154
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209
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$i++; |
47
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} |
48
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49
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147
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315
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my $fail_handler = __PACKAGE__->fail_handler($caller_pkg); |
50
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51
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147
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142
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local $Carp::CarpLevel = $Carp::CarpLevel + $i; |
52
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147
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100
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1274
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die $fail_handler ? &{$fail_handler} : &Carp::longmess; |
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6
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11
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53
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} |
54
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1; |
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__END__ |