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package package::compute; |
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95332
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use 5.008; |
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4
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152
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use strict; |
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151
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5
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use warnings; |
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4
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268
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BEGIN { |
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$package::compute::AUTHORITY = 'cpan:TOBYINK'; |
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$package::compute::VERSION = '0.004'; |
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} |
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4
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4
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4168
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use B::Hooks::Parser 0.08 qw(); |
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23336
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4
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191
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use Carp qw(confess); |
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4
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1504
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15
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my $count = 0; |
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sub import |
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{ |
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5
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5
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51
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my ($class, $name) = @_; |
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5
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my $caller = caller; |
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5
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my $pkg; |
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24
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5
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100
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66
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63
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if (not defined $name) |
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100
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66
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100
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25
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{ |
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1
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1
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$pkg = $caller; |
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} |
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elsif (!ref $name and $name eq '-anon') |
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{ |
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1
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$pkg = sprintf('%s::__ANON__::%s', $class, ++$count); |
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} |
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elsif (!ref $name and $name eq '-filename') |
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{ |
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# figure out where we're called from |
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1
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3
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my (undef, $filename) = caller; |
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37
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# figure out where it got loaded via %INC. |
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1
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62
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for my $k (sort keys %INC) |
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{ |
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48
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100
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84
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if ($INC{$k} eq $filename) |
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{ |
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1
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3
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$pkg = $k; |
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1
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$pkg =~ s<[/\\]><::>g; |
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1
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5
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$pkg =~ s<\.pm$><>i; # can this be uppercase on some platforms? |
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1
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4
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last; |
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} |
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} |
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} |
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else |
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{ |
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2
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8
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$pkg = __RPACKAGE__($name, $caller); |
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} |
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54
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5
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50
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31
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confess("package::compute could not determine package name, died") |
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unless defined $pkg; |
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57
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5
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100
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B::Hooks::Parser::inject("; package $pkg;") |
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unless $pkg eq $caller; |
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60
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4
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4
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26
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no strict 'refs'; |
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4
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9
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4
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1955
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61
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5
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118
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*{"$pkg\::__RPACKAGE__"} = \&__RPACKAGE__; |
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5
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3785
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62
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} |
63
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64
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sub __RPACKAGE__ |
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{ |
66
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10
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10
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1099
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my ($name, $caller) = @_; |
67
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10
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100
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35
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$caller ||= scalar caller; |
68
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10
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50
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26
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return $caller unless defined $name; |
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70
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10
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14
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my $count; |
71
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10
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34
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while (ref $name eq 'CODE') |
72
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0
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0
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0
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{ $name = $name->($caller); die "too deep" if ++$count > 7 } |
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0
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0
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73
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10
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50
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58
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if ($name =~ /^[.]+(?:::|'|\/)/) |
74
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10
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25
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{ $name = "$caller\::$name" } |
75
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76
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10
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50
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88
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my @pkg = grep { length and $_ ne '.' } split /(?:::|'|\/)/, $name; |
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44
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199
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77
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10
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18
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my @final; |
78
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10
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23
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foreach (@pkg) |
79
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{ |
80
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40
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62
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push @final, $_; |
81
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40
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100
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115
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next unless /^([.]+)/; |
82
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7
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100
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275
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confess "invalid relative package path" if length $1 > @final; |
83
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6
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21
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splice(@final, -(length $1)); |
84
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} |
85
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86
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9
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60
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return join q/::/, @final; |
87
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} |
88
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89
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1; |
90
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91
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__END__ |