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pod |
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code |
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13
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use strict; |
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5
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2
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76
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2
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14
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use warnings; |
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2
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3
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2
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95
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3
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4
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package Petal::CodePerl::Expr::Alternate; |
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6
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2
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2
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12
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use base qw( Code::Perl::Expr::Base ); |
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2
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4
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2
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234
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7
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8
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use Class::MethodMaker ( |
9
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2
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16
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get_set => [qw( -java Paths )] |
10
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2
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2
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14
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); |
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2
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17
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11
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12
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sub eval |
13
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{ |
14
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3
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3
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0
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1278
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my $self = shift; |
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16
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3
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5
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my @paths = @{$self->getPaths}; |
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3
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84
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17
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18
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3
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35
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my $last = pop @paths; |
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20
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3
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6
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foreach my $path (@paths) |
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{ |
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2
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5
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my $res = eval {$path->eval}; |
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2
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11
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23
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2
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100
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141
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next if $@; |
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1
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4
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return $res; |
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} |
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27
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2
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14
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return $last->eval; |
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} |
29
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30
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sub perl |
31
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{ |
32
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3
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3
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0
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3263
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my $self = shift; |
33
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34
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3
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5
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my @paths = @{$self->getPaths}; |
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3
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86
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35
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36
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3
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42
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my $last = pop @paths; |
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38
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3
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14
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my $last_perl = $last->perl; |
39
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3
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100
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98
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if (not @paths) |
40
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{ |
41
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1
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4
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return $last_perl; |
42
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} |
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else |
44
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{ |
45
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3
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13
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my @evals = map { |
46
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2
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4
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my $path_perl = $_->perl; |
47
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3
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231
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qq{eval{\$v = $path_perl}; last unless \$@} |
48
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} @paths; |
49
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2
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7
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my $evals = join(";", @evals); |
50
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51
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2
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9
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return qq{do{my \$v;for (1){$evals;\$v = $last_perl} \$v}} |
52
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} |
53
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} |
54
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55
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1; |