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stmt |
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pod |
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code |
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package perl5i::2::Meta::Instance; |
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# Methods here are for $thing->mo->method. |
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5
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103
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103
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2850
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use 5.010_000; |
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581
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103
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6964
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771
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use strict; |
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103
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6797
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103
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882
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use warnings; |
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219
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103
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15881
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1075
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no if $] >= 5.018000, warnings => 'experimental::smartmatch'; |
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296
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103
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1089
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# Don't import anything that might be misinterpreted as a method |
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require Scalar::Util; |
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require overload; |
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require Carp::Fix::1_25; |
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103
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103
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13771
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use perl5i::2::autobox; |
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263
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103
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1073
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103
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77891
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use parent qw(perl5i::2::Meta); |
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1189
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sub id { |
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0
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2543
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require Object::ID; |
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22
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# Hash::FieldHash cannot handle non-references |
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40
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100
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return Object::ID::object_id(ref ${${$_[0]}} ? ${${$_[0]}} : ${$_[0]}); |
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141
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208
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24
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} |
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sub class { |
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0
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40
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return ref ${${$_[0]}}; |
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131
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28
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} |
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30
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sub reftype { |
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6
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6
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0
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10
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return Scalar::Util::reftype(${${$_[0]}}); |
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10
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6
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48
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32
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} |
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34
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35
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# Only instances can be tainted |
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37
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# Returns the code which will run when the object is used as a string |
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my $has_string_overload = sub { |
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return overload::Method(${${$_[0]}}, q[""]) || overload::Method(${${$_[0]}}, q[0+]) |
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}; |
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42
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sub is_tainted { |
43
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28
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28
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0
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147
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my $code; |
44
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45
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28
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1194
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require Taint::Util; |
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47
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28
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100
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1179
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if( !ref ${${$_[0]}} ) { |
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28
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100
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37
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28
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100
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127
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19
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96
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48
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# Its a plain scalar |
49
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9
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17
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return Taint::Util::tainted(${${$_[0]}}); |
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9
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11
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9
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66
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50
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} |
51
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19
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36
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elsif( ref ${${$_[0]}} eq 'SCALAR' ) { |
52
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# Unblessed scalar |
53
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3
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6
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return Taint::Util::tainted(${${$_[0]}}); |
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3
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4
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3
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22
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54
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} |
55
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elsif( $code = $_[0]->$has_string_overload ) { |
56
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7
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364
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return Taint::Util::tainted( $code->(${${$_[0]}}) ); |
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7
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11
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7
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43
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57
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} |
58
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else { |
59
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9
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291
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return 0; |
60
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} |
61
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62
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0
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0
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die "Never should be reached"; |
63
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} |
64
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65
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66
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sub taint { |
67
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9
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9
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0
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52
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require Taint::Util; |
68
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69
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9
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100
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15
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if( !ref ${${$_[0]}} ) { |
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9
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100
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11
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9
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47
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70
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# Its a plain scalar |
71
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3
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5
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return Taint::Util::taint(${${$_[0]}}); |
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3
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6
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3
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14
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72
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} |
73
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elsif( $_[0]->$has_string_overload ) { |
74
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2
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100
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98
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Carp::Fix::1_25::croak("Untainted overloaded objects cannot normally be made tainted") if |
75
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!$_[0]->is_tainted; |
76
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1
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53
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return 1; |
77
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} |
78
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else { |
79
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4
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953
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Carp::Fix::1_25::croak("Only scalars can normally be made tainted"); |
80
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} |
81
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82
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0
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0
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Carp::Fix::1_25::confess("Should not be reached"); |
83
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} |
84
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85
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86
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sub untaint { |
87
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9
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9
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0
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55
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require Taint::Util; |
88
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89
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9
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100
|
100
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15
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if( !ref ${${$_[0]}} ) { |
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9
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100
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15
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9
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51
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90
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# Its a plain scalar |
91
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3
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5
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return Taint::Util::untaint(${${$_[0]}}); |
|
3
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4
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3
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15
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92
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} |
93
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elsif( $_[0]->$has_string_overload && $_[0]->is_tainted ) { |
94
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1
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239
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Carp::Fix::1_25::croak("Tainted overloaded objects cannot normally be untainted"); |
95
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} |
96
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else { |
97
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5
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162
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return 1; |
98
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} |
99
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100
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0
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0
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Carp::Fix::1_25::confess("Should never be reached"); |
101
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} |
102
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103
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104
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|
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sub checksum { |
105
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33
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33
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0
|
97
|
my( $thing, %args ) = @_; |
106
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107
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33
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41
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state $algorithms = [qw(sha1 md5)]; |
108
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33
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100
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123
|
$args{algorithm} //= 'sha1'; |
109
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33
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100
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123
|
$args{algorithm} ~~ $algorithms or |
110
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1
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26
|
Carp::Fix::1_25::croak("algorithm must be @{[ $algorithms->join(' or ' ) ]}"); |
111
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112
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32
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39
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state $algorithm2module = { sha1 => "Digest::SHA", md5 => "Digest::MD5" }; |
113
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114
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32
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36
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state $format = [qw(hex base64 binary)]; |
115
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32
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100
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94
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$args{format} //= 'hex'; |
116
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32
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100
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92
|
$args{format} ~~ $format or |
117
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1
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9
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Carp::Fix::1_25::croak("format must be @{[ $format->join(' or ') ]}"); |
118
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119
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31
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37
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state $prefix = { hex => 'hex', base64 => 'b64', binary => undef }; |
120
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121
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31
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57
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my $module = $algorithm2module->{ $args{algorithm} }; |
122
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31
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100
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137
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my $digest = defined $prefix->{ $args{format} } ? $prefix->{ $args{format} } . 'digest' : 'digest'; |
123
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124
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31
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173
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$module->require; |
125
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31
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4965
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my $digestor = $module->new; |
126
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127
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31
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1696
|
require Data::Dumper; |
128
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129
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31
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|
9919
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my $d = Data::Dumper->new( [ ${$thing} ] ); |
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31
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167
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130
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31
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830
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$d->Deparse(1)->Terse(1)->Sortkeys(1)->Indent(0); |
131
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132
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31
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624
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$digestor->add( $d->Dump ); |
133
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31
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5607
|
return $digestor->$digest; |
134
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} |
135
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136
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137
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sub is_equal { |
138
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43
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43
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0
|
70
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my ($self, $other) = @_; |
139
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43
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|
938
|
require perl5i::2::equal; |
140
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141
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43
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136
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return perl5i::2::equal::are_equal($$$self, $other); |
142
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} |
143
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144
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|
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|
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*perl = \&as_perl; |
145
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sub as_perl { |
146
|
33
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33
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0
|
15979
|
require Data::Dumper; |
147
|
|
|
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148
|
33
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160596
|
state $options = [qw(Terse Sortkeys Deparse)]; |
149
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150
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33
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69
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my $self = shift; |
151
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33
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306
|
my $dumper = Data::Dumper->new([$$$self]); |
152
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33
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|
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|
|
1028
|
for my $option (@$options) { |
153
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99
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693
|
$dumper->$option(1); |
154
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} |
155
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156
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33
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286
|
$dumper->Indent(1); |
157
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158
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33
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376
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return $dumper->Dump; |
159
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} |
160
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161
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162
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sub dump { |
163
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8
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8
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0
|
19
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my $self = shift; |
164
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8
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30
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my %args = @_; |
165
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166
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8
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100
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45
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my $format = $args{format} // "perl"; |
167
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8
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41
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state $dumpers = { |
168
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|
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json => "as_json", |
169
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yaml => "as_yaml", |
170
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perl => "as_perl", |
171
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}; |
172
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173
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8
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17
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my $dumper = $dumpers->{$format}; |
174
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8
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50
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30
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Carp::Fix::1_25::croak("Unknown format '$format' for dump()") unless $dumper; |
175
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176
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8
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42
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return $self->$dumper(%args); |
177
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} |
178
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179
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|
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|
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sub as_json { |
180
|
4
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|
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4
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0
|
28
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require JSON; |
181
|
4
|
|
|
|
|
148
|
my $json = JSON->new |
182
|
|
|
|
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|
|
->utf8 |
183
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|
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|
|
->pretty |
184
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|
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|
|
->allow_unknown |
185
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|
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|
|
->allow_blessed |
186
|
|
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|
|
->convert_blessed; |
187
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188
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|
|
# JSON doesn't seem to have an easy way to say |
189
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|
# "just dump objects as references please". This is their |
190
|
|
|
|
|
|
|
# recommended way to do it (yarf). |
191
|
|
|
|
|
|
|
local *UNIVERSAL::TO_JSON = sub { |
192
|
1
|
|
|
1
|
|
6
|
require B; |
193
|
1
|
|
|
|
|
10
|
my $b_obj = B::svref_2object( $_[0] ); |
194
|
1
|
|
|
|
|
38
|
return $b_obj->isa('B::HV') ? { %{ $_[0] } } |
|
0
|
|
|
|
|
0
|
|
195
|
1
|
0
|
|
|
|
23
|
: $b_obj->isa('B::AV') ? [ @{ $_[0] } ] |
|
|
50
|
|
|
|
|
|
196
|
|
|
|
|
|
|
: undef |
197
|
|
|
|
|
|
|
; |
198
|
4
|
50
|
|
|
|
39
|
} unless defined &UNIVERSAL::TO_JSON; |
199
|
|
|
|
|
|
|
|
200
|
4
|
|
|
|
|
9
|
return $json->encode(${${$_[0]}}); |
|
4
|
|
|
|
|
7
|
|
|
4
|
|
|
|
|
150
|
|
201
|
|
|
|
|
|
|
} |
202
|
|
|
|
|
|
|
|
203
|
|
|
|
|
|
|
sub as_yaml { |
204
|
4
|
|
|
4
|
0
|
1094
|
require YAML::Any; |
205
|
4
|
|
|
|
|
1298
|
return YAML::Any::Dump(${${$_[0]}}); |
|
4
|
|
|
|
|
12
|
|
|
4
|
|
|
|
|
32
|
|
206
|
|
|
|
|
|
|
} |
207
|
|
|
|
|
|
|
|
208
|
|
|
|
|
|
|
1; |