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#line 1 |
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package Spiffy; |
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use strict; |
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use 5.006001; |
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use warnings; |
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635
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use Carp; |
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require Exporter; |
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our $VERSION = '0.30'; |
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our @EXPORT = (); |
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our @EXPORT_BASE = qw(field const stub super); |
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our @EXPORT_OK = (@EXPORT_BASE, qw(id WWW XXX YYY ZZZ)); |
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our %EXPORT_TAGS = (XXX => [qw(WWW XXX YYY ZZZ)]); |
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my $stack_frame = 0; |
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my $dump = 'yaml'; |
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my $bases_map = {}; |
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sub WWW; sub XXX; sub YYY; sub ZZZ; |
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# This line is here to convince "autouse" into believing we are autousable. |
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sub can { |
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($_[1] eq 'import' and caller()->isa('autouse')) |
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? \&Exporter::import # pacify autouse's equality test |
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: $_[0]->SUPER::can($_[1]) # normal case |
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} |
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# TODO |
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# |
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# Exported functions like field and super should be hidden so as not to |
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# be confused with methods that can be inherited. |
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# |
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66
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108
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sub new { |
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66
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266
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my $class = shift; |
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66
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170
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$class = ref($class) || $class; |
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66
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175
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my $self = bless {}, $class; |
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while (@_) { |
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0
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my $method = shift; |
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$self->$method(shift); |
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66
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176
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} |
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return $self; |
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} |
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44
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my $filtered_files = {}; |
45
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my $filter_dump = 0; |
46
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my $filter_save = 0; |
47
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our $filter_result = ''; |
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1
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1
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8
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sub import { |
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1
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139
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49
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1
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7
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no strict 'refs'; |
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1
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2151
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50
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5
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13
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no warnings; |
51
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my $self_package = shift; |
52
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53
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# XXX Using parse_arguments here might cause confusion, because the |
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# subclass's boolean_arguments and paired_arguments can conflict, causing |
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45
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# difficult debugging. Consider using something truly local. |
56
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my ($args, @export_list) = do { |
57
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5
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5
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22
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local *boolean_arguments = sub { |
58
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qw( |
59
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-base -Base -mixin -selfless |
60
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-XXX -dumper -yaml |
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-filter_dump -filter_save |
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5
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34
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) |
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19
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}; |
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11
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64
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5
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61
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local *paired_arguments = sub { qw(-package) }; |
65
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$self_package->parse_arguments(@_); |
66
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5
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50
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21
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}; |
67
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return spiffy_mixin_import(scalar(caller(0)), $self_package, @export_list) |
68
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if $args->{-mixin}; |
69
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50
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19
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70
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50
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15
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$filter_dump = 1 if $args->{-filter_dump}; |
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5
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50
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22
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$filter_save = 1 if $args->{-filter_save}; |
72
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5
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50
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16
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$dump = 'yaml' if $args->{-yaml}; |
73
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$dump = 'dumper' if $args->{-dumper}; |
74
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5
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21
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75
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local @EXPORT_BASE = @EXPORT_BASE; |
76
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18
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77
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0
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0
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if ($args->{-XXX}) { |
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0
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78
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push @EXPORT_BASE, @{$EXPORT_TAGS{XXX}} |
79
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unless grep /^XXX$/, @EXPORT_BASE; |
80
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} |
81
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82
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5
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100
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66
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58
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spiffy_filter() |
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66
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83
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if ($args->{-selfless} or $args->{-Base}) and |
84
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not $filtered_files->{(caller($stack_frame))[1]}++; |
85
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33
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68
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86
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5
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100
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66
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39
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my $caller_package = $args->{-package} || caller($stack_frame); |
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2
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27
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87
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push @{"$caller_package\::ISA"}, $self_package |
88
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if $args->{-Base} or $args->{-base}; |
89
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5
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10
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5
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16
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90
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6
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50
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53
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for my $class (@{all_my_bases($self_package)}) { |
91
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56
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321
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next unless $class->isa('Spiffy'); |
92
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56
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61
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my @export = grep { |
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6
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54
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93
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2
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5
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not defined &{"$caller_package\::$_"}; |
94
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} ( @{"$class\::EXPORT"}, |
95
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6
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100
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66
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11
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($args->{-Base} or $args->{-base}) |
96
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? @{"$class\::EXPORT_BASE"} : (), |
97
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45
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185
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); |
98
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45
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76
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my @export_ok = grep { |
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6
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23
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99
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6
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10
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not defined &{"$caller_package\::$_"}; |
100
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} @{"$class\::EXPORT_OK"}; |
101
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102
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# Avoid calling the expensive Exporter::export |
103
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6
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12
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# if there is nothing to do (optimization) |
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89
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182
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104
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6
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50
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27
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my %exportable = map { ($_, 1) } @export, @export_ok; |
105
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next unless keys %exportable; |
106
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6
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8
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6
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25
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107
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6
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8
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my @export_save = @{"$class\::EXPORT"}; |
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6
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22
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108
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6
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8
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my @export_ok_save = @{"$class\::EXPORT_OK"}; |
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6
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27
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109
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6
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10
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@{"$class\::EXPORT"} = @export; |
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6
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23
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110
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2
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12
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@{"$class\::EXPORT_OK"} = @export_ok; |
111
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6
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15
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my @list = grep { |
112
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2
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50
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13
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(my $v = $_) =~ s/^[\!\:]//; |
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0
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0
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113
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$exportable{$v} or ${"$class\::EXPORT_TAGS"}{$v}; |
114
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6
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831
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} @export_list; |
115
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6
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11
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Exporter::export($class, $caller_package, @list); |
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6
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28
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116
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6
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13
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@{"$class\::EXPORT"} = @export_save; |
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6
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8279
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117
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@{"$class\::EXPORT_OK"} = @export_ok_save; |
118
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} |
119
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} |
120
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121
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2
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2
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0
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1187
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sub spiffy_filter { |
122
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2
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1412
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require Filter::Util::Call; |
123
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my $done = 0; |
124
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Filter::Util::Call::filter_add( |
125
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2
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50
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2
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7
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sub { |
126
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2
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4
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return 0 if $done; |
127
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2
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30
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my ($data, $end) = ('', ''); |
128
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976
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50
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1526
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while (my $status = Filter::Util::Call::filter_read()) { |
129
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976
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100
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1685
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return $status if $status < 0; |
130
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2
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9
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if (/^__(?:END|DATA)__\r?$/) { |
131
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2
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6
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$end = $_; |
132
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last; |
133
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974
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1047
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} |
134
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974
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12421
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$data .= $_; |
135
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$_ = ''; |
136
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2
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24
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} |
137
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2
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5
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$_ = $data; |
138
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2
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295
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my @my_subs; |
139
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s[^(sub\s+\w+\s+\{)(.*\n)] |
140
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2
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413
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[${1}my \$self = shift;$2]gm; |
141
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s[^(sub\s+\w+)\s*\(\s*\)(\s+\{.*\n)] |
142
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2
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112
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[${1}${2}]gm; |
143
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0
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0
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s[^my\s+sub\s+(\w+)(\s+\{)(.*)((?s:.*?\n))\}\n] |
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0
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0
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144
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2
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7
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[push @my_subs, $1; "\$$1 = sub$2my \$self = shift;$3$4\};\n"]gem; |
145
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2
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50
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10
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my $preclare = ''; |
146
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0
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0
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if (@my_subs) { |
147
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0
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0
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$preclare = join ',', map "\$$_", @my_subs; |
148
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$preclare = "my($preclare);"; |
149
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2
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63
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} |
150
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2
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50
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14
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$_ = "use strict;use warnings;$preclare${_};1;\n$end"; |
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0
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0
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0
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0
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151
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2
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50
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7
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if ($filter_dump) { print; exit } |
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0
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0
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0
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0
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152
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2
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141
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if ($filter_save) { $filter_result = $_; $_ = $filter_result; } |
153
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$done = 1; |
154
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2
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24
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} |
155
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); |
156
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} |
157
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158
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0
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0
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0
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0
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sub base { |
159
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0
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0
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push @_, -base; |
160
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goto &import; |
161
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} |
162
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163
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6
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6
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0
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12
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sub all_my_bases { |
164
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my $class = shift; |
165
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6
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100
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33
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166
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return $bases_map->{$class} |
167
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if defined $bases_map->{$class}; |
168
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2
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5
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169
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1
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1
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9
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my @bases = ($class); |
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1
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2
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1
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519
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170
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2
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6
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no strict 'refs'; |
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2
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11
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171
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1
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2
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for my $base_class (@{"${class}::ISA"}) { |
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1
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5
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172
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push @bases, @{all_my_bases($base_class)}; |
173
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2
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6
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} |
174
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2
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5
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my $used = {}; |
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3
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20
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175
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$bases_map->{$class} = [grep {not $used->{$_}++} @bases]; |
176
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} |
177
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178
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my %code = ( |
179
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sub_start => |
180
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"sub {\n", |
181
|
|
|
|
|
|
|
set_default => |
182
|
|
|
|
|
|
|
" \$_[0]->{%s} = %s\n unless exists \$_[0]->{%s};\n", |
183
|
|
|
|
|
|
|
init => |
184
|
|
|
|
|
|
|
" return \$_[0]->{%s} = do { my \$self = \$_[0]; %s }\n" . |
185
|
|
|
|
|
|
|
" unless \$#_ > 0 or defined \$_[0]->{%s};\n", |
186
|
|
|
|
|
|
|
weak_init => |
187
|
|
|
|
|
|
|
" return do {\n" . |
188
|
|
|
|
|
|
|
" \$_[0]->{%s} = do { my \$self = \$_[0]; %s };\n" . |
189
|
|
|
|
|
|
|
" Scalar::Util::weaken(\$_[0]->{%s}) if ref \$_[0]->{%s};\n" . |
190
|
|
|
|
|
|
|
" \$_[0]->{%s};\n" . |
191
|
|
|
|
|
|
|
" } unless \$#_ > 0 or defined \$_[0]->{%s};\n", |
192
|
|
|
|
|
|
|
return_if_get => |
193
|
|
|
|
|
|
|
" return \$_[0]->{%s} unless \$#_ > 0;\n", |
194
|
|
|
|
|
|
|
set => |
195
|
|
|
|
|
|
|
" \$_[0]->{%s} = \$_[1];\n", |
196
|
|
|
|
|
|
|
weaken => |
197
|
|
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|
|
|
|
" Scalar::Util::weaken(\$_[0]->{%s}) if ref \$_[0]->{%s};\n", |
198
|
|
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|
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|
|
sub_end => |
199
|
|
|
|
|
|
|
" return \$_[0]->{%s};\n}\n", |
200
|
|
|
|
|
|
|
); |
201
|
|
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|
|
|
|
|
202
|
18
|
|
|
18
|
0
|
46
|
sub field { |
203
|
18
|
|
|
|
|
26
|
my $package = caller; |
204
|
1
|
|
|
1
|
|
22
|
my ($args, @values) = do { |
|
1
|
|
|
|
|
2
|
|
|
1
|
|
|
|
|
6879
|
|
205
|
18
|
|
|
18
|
|
131
|
no warnings; |
|
18
|
|
|
|
|
40
|
|
206
|
18
|
|
|
18
|
|
67
|
local *boolean_arguments = sub { (qw(-weak)) }; |
|
18
|
|
|
|
|
43
|
|
207
|
18
|
|
|
|
|
69
|
local *paired_arguments = sub { (qw(-package -init)) }; |
208
|
|
|
|
|
|
|
Spiffy->parse_arguments(@_); |
209
|
18
|
|
|
|
|
45
|
}; |
210
|
18
|
50
|
|
|
|
63
|
my ($field, $default) = @values; |
211
|
18
|
50
|
66
|
|
|
69
|
$package = $args->{-package} if defined $args->{-package}; |
212
|
|
|
|
|
|
|
die "Cannot have a default for a weakened field ($field)" |
213
|
18
|
50
|
|
|
|
23
|
if defined $default && $args->{-weak}; |
|
18
|
|
|
|
|
170
|
|
214
|
18
|
50
|
|
|
|
52
|
return if defined &{"${package}::$field"}; |
215
|
18
|
100
|
100
|
|
|
119
|
require Scalar::Util if $args->{-weak}; |
|
|
100
|
66
|
|
|
|
|
216
|
|
|
|
|
|
|
my $default_string = |
217
|
|
|
|
|
|
|
( ref($default) eq 'ARRAY' and not @$default ) |
218
|
|
|
|
|
|
|
? '[]' |
219
|
|
|
|
|
|
|
: (ref($default) eq 'HASH' and not keys %$default ) |
220
|
|
|
|
|
|
|
? '{}' |
221
|
|
|
|
|
|
|
: default_as_code($default); |
222
|
18
|
|
|
|
|
34
|
|
223
|
18
|
100
|
|
|
|
54
|
my $code = $code{sub_start}; |
224
|
4
|
50
|
|
|
|
12
|
if ($args->{-init}) { |
225
|
4
|
|
|
|
|
19
|
my $fragment = $args->{-weak} ? $code{weak_init} : $code{init}; |
226
|
|
|
|
|
|
|
$code .= sprintf $fragment, $field, $args->{-init}, ($field) x 4; |
227
|
18
|
100
|
|
|
|
63
|
} |
228
|
|
|
|
|
|
|
$code .= sprintf $code{set_default}, $field, $default_string, $field |
229
|
18
|
|
|
|
|
114
|
if defined $default; |
230
|
18
|
|
|
|
|
42
|
$code .= sprintf $code{return_if_get}, $field; |
231
|
18
|
50
|
|
|
|
62
|
$code .= sprintf $code{set}, $field; |
232
|
|
|
|
|
|
|
$code .= sprintf $code{weaken}, $field, $field |
233
|
18
|
|
|
|
|
41
|
if $args->{-weak}; |
234
|
|
|
|
|
|
|
$code .= sprintf $code{sub_end}, $field; |
235
|
18
|
100
|
66
|
5
|
|
2387
|
|
|
5
|
50
|
33
|
|
|
71
|
|
|
1
|
100
|
100
|
|
|
3
|
|
|
1
|
50
|
66
|
|
|
28
|
|
|
4
|
50
|
|
|
|
22
|
|
|
0
|
50
|
|
|
|
0
|
|
|
0
|
0
|
|
|
|
0
|
|
|
10
|
0
|
|
|
|
41
|
|
|
10
|
0
|
|
|
|
56
|
|
|
0
|
0
|
|
|
|
0
|
|
|
0
|
50
|
|
|
|
0
|
|
|
1
|
50
|
|
|
|
7
|
|
|
1
|
100
|
|
|
|
8
|
|
|
0
|
50
|
|
|
|
0
|
|
|
0
|
50
|
|
|
|
0
|
|
|
0
|
100
|
|
|
|
0
|
|
|
0
|
50
|
|
|
|
0
|
|
|
0
|
50
|
|
|
|
0
|
|
|
0
|
0
|
|
|
|
0
|
|
|
0
|
100
|
|
|
|
0
|
|
|
0
|
50
|
|
|
|
0
|
|
|
0
|
100
|
|
|
|
0
|
|
|
0
|
100
|
|
|
|
0
|
|
|
1
|
100
|
|
|
|
13
|
|
|
1
|
100
|
|
|
|
9
|
|
|
0
|
0
|
|
|
|
0
|
|
|
0
|
0
|
|
|
|
0
|
|
|
15
|
100
|
|
|
|
88
|
|
|
5
|
50
|
|
|
|
14
|
|
|
5
|
50
|
|
|
|
18
|
|
|
1
|
|
|
|
|
9
|
|
|
0
|
|
|
|
|
0
|
|
|
0
|
|
|
|
|
0
|
|
|
5
|
|
|
|
|
17
|
|
|
5
|
|
|
|
|
17
|
|
|
5
|
|
|
|
|
15
|
|
|
10
|
|
|
|
|
38
|
|
|
10
|
|
|
|
|
64
|
|
|
0
|
|
|
|
|
0
|
|
|
0
|
|
|
|
|
0
|
|
|
1
|
|
|
|
|
10
|
|
|
1
|
|
|
|
|
4
|
|
|
1
|
|
|
|
|
6
|
|
|
0
|
|
|
|
|
0
|
|
|
0
|
|
|
|
|
0
|
|
|
0
|
|
|
|
|
0
|
|
|
85
|
|
|
|
|
897
|
|
|
5
|
|
|
|
|
13
|
|
|
5
|
|
|
|
|
12
|
|
|
1
|
|
|
|
|
15
|
|
|
0
|
|
|
|
|
0
|
|
|
0
|
|
|
|
|
0
|
|
|
3
|
|
|
|
|
23
|
|
|
1
|
|
|
|
|
2
|
|
|
1
|
|
|
|
|
9
|
|
|
2
|
|
|
|
|
11
|
|
|
1
|
|
|
|
|
6
|
|
|
1
|
|
|
|
|
4
|
|
|
11
|
|
|
|
|
89
|
|
|
11
|
|
|
|
|
70
|
|
|
1
|
|
|
|
|
3
|
|
|
1
|
|
|
|
|
5
|
|
|
0
|
|
|
|
|
0
|
|
|
0
|
|
|
|
|
0
|
|
|
0
|
|
|
|
|
0
|
|
|
0
|
|
|
|
|
0
|
|
|
6
|
|
|
|
|
51
|
|
|
1
|
|
|
|
|
3
|
|
|
1
|
|
|
|
|
28
|
|
|
5
|
|
|
|
|
41
|
|
|
0
|
|
|
|
|
0
|
|
|
0
|
|
|
|
|
0
|
|
|
60
|
|
|
|
|
168
|
|
|
60
|
|
|
|
|
165
|
|
|
60
|
|
|
|
|
136
|
|
236
|
18
|
50
|
|
|
|
58
|
my $sub = eval $code; |
237
|
1
|
|
|
1
|
|
13
|
die $@ if $@; |
|
1
|
|
|
|
|
2
|
|
|
1
|
|
|
|
|
229
|
|
238
|
18
|
|
|
|
|
21
|
no strict 'refs'; |
|
18
|
|
|
|
|
95
|
|
239
|
18
|
50
|
|
|
|
96
|
*{"${package}::$field"} = $sub; |
240
|
|
|
|
|
|
|
return $code if defined wantarray; |
241
|
|
|
|
|
|
|
} |
242
|
|
|
|
|
|
|
|
243
|
15
|
|
|
15
|
0
|
2020
|
sub default_as_code { |
244
|
15
|
|
|
|
|
20987
|
require Data::Dumper; |
245
|
15
|
|
|
|
|
47
|
local $Data::Dumper::Sortkeys = 1; |
246
|
15
|
|
|
|
|
919
|
my $code = Data::Dumper::Dumper(shift); |
247
|
15
|
|
|
|
|
47
|
$code =~ s/^\$VAR1 = //; |
248
|
15
|
|
|
|
|
44
|
$code =~ s/;$//; |
249
|
|
|
|
|
|
|
return $code; |
250
|
|
|
|
|
|
|
} |
251
|
|
|
|
|
|
|
|
252
|
0
|
|
|
0
|
0
|
0
|
sub const { |
253
|
0
|
|
|
|
|
0
|
my $package = caller; |
254
|
1
|
|
|
1
|
|
5
|
my ($args, @values) = do { |
|
1
|
|
|
|
|
2
|
|
|
1
|
|
|
|
|
121
|
|
255
|
0
|
|
|
0
|
|
0
|
no warnings; |
|
0
|
|
|
|
|
0
|
|
256
|
0
|
|
|
|
|
0
|
local *paired_arguments = sub { (qw(-package)) }; |
257
|
|
|
|
|
|
|
Spiffy->parse_arguments(@_); |
258
|
0
|
|
|
|
|
0
|
}; |
259
|
0
|
0
|
|
|
|
0
|
my ($field, $default) = @values; |
260
|
1
|
|
|
1
|
|
11
|
$package = $args->{-package} if defined $args->{-package}; |
|
1
|
|
|
|
|
6
|
|
|
1
|
|
|
|
|
128
|
|
261
|
0
|
0
|
|
|
|
0
|
no strict 'refs'; |
|
0
|
|
|
|
|
0
|
|
262
|
0
|
|
|
0
|
|
0
|
return if defined &{"${package}::$field"}; |
|
0
|
|
|
|
|
0
|
|
263
|
0
|
|
|
|
|
0
|
*{"${package}::$field"} = sub { $default } |
264
|
|
|
|
|
|
|
} |
265
|
|
|
|
|
|
|
|
266
|
0
|
|
|
0
|
0
|
0
|
sub stub { |
267
|
0
|
|
|
|
|
0
|
my $package = caller; |
268
|
1
|
|
|
1
|
|
4
|
my ($args, @values) = do { |
|
1
|
|
|
|
|
2
|
|
|
1
|
|
|
|
|
207
|
|
269
|
0
|
|
|
0
|
|
0
|
no warnings; |
|
0
|
|
|
|
|
0
|
|
270
|
0
|
|
|
|
|
0
|
local *paired_arguments = sub { (qw(-package)) }; |
271
|
|
|
|
|
|
|
Spiffy->parse_arguments(@_); |
272
|
0
|
|
|
|
|
0
|
}; |
273
|
0
|
0
|
|
|
|
0
|
my ($field, $default) = @values; |
274
|
1
|
|
|
1
|
|
6
|
$package = $args->{-package} if defined $args->{-package}; |
|
1
|
|
|
|
|
2
|
|
|
1
|
|
|
|
|
545
|
|
275
|
0
|
0
|
|
|
|
0
|
no strict 'refs'; |
|
0
|
|
|
|
|
0
|
|
276
|
0
|
|
|
|
|
0
|
return if defined &{"${package}::$field"}; |
277
|
|
|
|
|
|
|
*{"${package}::$field"} = |
278
|
0
|
|
|
0
|
|
0
|
sub { |
279
|
0
|
|
|
|
|
0
|
require Carp; |
280
|
|
|
|
|
|
|
Carp::confess |
281
|
|
|
|
|
|
|
"Method $field in package $package must be subclassed"; |
282
|
0
|
|
|
|
|
0
|
} |
283
|
|
|
|
|
|
|
} |
284
|
|
|
|
|
|
|
|
285
|
23
|
|
|
23
|
0
|
48
|
sub parse_arguments { |
286
|
23
|
|
|
|
|
57
|
my $class = shift; |
287
|
23
|
|
|
|
|
71
|
my ($args, @values) = ({}, ()); |
|
63
|
|
|
|
|
182
|
|
288
|
23
|
|
|
|
|
5904
|
my %booleans = map { ($_, 1) } $class->boolean_arguments; |
|
41
|
|
|
|
|
1757
|
|
289
|
23
|
|
|
|
|
74
|
my %pairs = map { ($_, 1) } $class->paired_arguments; |
290
|
34
|
|
|
|
|
51
|
while (@_) { |
291
|
34
|
100
|
66
|
|
|
302
|
my $elem = shift; |
|
|
100
|
66
|
|
|
|
|
|
|
|
66
|
|
|
|
|
292
|
2
|
50
|
33
|
|
|
13
|
if (defined $elem and defined $booleans{$elem}) { |
293
|
|
|
|
|
|
|
$args->{$elem} = (@_ and $_[0] =~ /^[01]$/) |
294
|
|
|
|
|
|
|
? shift |
295
|
|
|
|
|
|
|
: 1; |
296
|
|
|
|
|
|
|
} |
297
|
4
|
|
|
|
|
14
|
elsif (defined $elem and defined $pairs{$elem} and @_) { |
298
|
|
|
|
|
|
|
$args->{$elem} = shift; |
299
|
|
|
|
|
|
|
} |
300
|
28
|
|
|
|
|
93
|
else { |
301
|
|
|
|
|
|
|
push @values, $elem; |
302
|
|
|
|
|
|
|
} |
303
|
23
|
50
|
|
|
|
283
|
} |
304
|
|
|
|
|
|
|
return wantarray ? ($args, @values) : $args; |
305
|
|
|
|
|
|
|
} |
306
|
0
|
|
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0
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0
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307
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0
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sub boolean_arguments { () } |
308
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sub paired_arguments { () } |
309
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310
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# get a unique id for any node |
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sub id { |
312
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if (not ref $_[0]) { |
313
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return 'undef' if not defined $_[0]; |
314
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0
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0
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\$_[0] =~ /\((\w+)\)$/o or die; |
315
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return "$1-S"; |
316
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0
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0
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} |
317
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0
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0
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require overload; |
318
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0
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0
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overload::StrVal($_[0]) =~ /\((\w+)\)$/o or die; |
319
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return $1; |
320
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} |
321
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322
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#=============================================================================== |
323
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# It's super, man. |
324
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#=============================================================================== |
325
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package DB; |
326
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1
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1
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6
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{ |
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1
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1
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1
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234
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327
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no warnings 'redefine'; |
328
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0
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0
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0
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0
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0
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sub super_args { |
329
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0
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0
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my @dummy = caller(@_ ? $_[0] : 2); |
330
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return @DB::args; |
331
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} |
332
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} |
333
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334
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package Spiffy; |
335
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0
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0
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0
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0
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sub super { |
336
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0
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0
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my $method; |
337
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my $frame = 1; |
338
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0
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0
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while ($method = (caller($frame++))[3]) { |
339
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$method =~ s/.*::// and last; |
340
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0
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0
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} |
341
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0
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0
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0
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my @args = DB::super_args($frame); |
342
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0
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0
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0
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@_ = @_ ? ($args[0], @_) : @args; |
343
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0
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0
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my $class = ref $_[0] ? ref $_[0] : $_[0]; |
344
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0
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0
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my $caller_class = caller; |
345
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0
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0
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0
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0
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my $seen = 0; |
346
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0
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0
|
my @super_classes = reverse grep { |
347
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0
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0
|
($seen or $seen = ($_ eq $caller_class)) ? 0 : 1; |
348
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0
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0
|
} reverse @{all_my_bases($class)}; |
349
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1
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1
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6
|
for my $super_class (@super_classes) { |
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1
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2
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1
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192
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350
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0
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0
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0
|
no strict 'refs'; |
351
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0
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0
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0
|
next if $super_class eq $class; |
|
0
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0
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352
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0
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0
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0
|
if (defined &{"${super_class}::$method"}) { |
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0
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0
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0
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0
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353
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|
${"$super_class\::AUTOLOAD"} = ${"$class\::AUTOLOAD"} |
354
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0
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0
|
if $method eq 'AUTOLOAD'; |
|
0
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0
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|
355
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|
|
return &{"${super_class}::$method"}; |
356
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|
} |
357
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0
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0
|
} |
358
|
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|
|
return; |
359
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|
} |
360
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361
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|
|
#=============================================================================== |
362
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|
# This code deserves a spanking, because it is being very naughty. |
363
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|
|
# It is exchanging base.pm's import() for its own, so that people |
364
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|
|
# can use base.pm with Spiffy modules, without being the wiser. |
365
|
|
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|
|
#=============================================================================== |
366
|
|
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|
|
my $real_base_import; |
367
|
|
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|
|
my $real_mixin_import; |
368
|
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|
|
369
|
1
|
50
|
|
1
|
|
7
|
BEGIN { |
370
|
1
|
|
50
|
|
|
34
|
require base unless defined $INC{'base.pm'}; |
371
|
1
|
|
|
|
|
2
|
$INC{'mixin.pm'} ||= 'Spiffy/mixin.pm'; |
372
|
1
|
|
|
|
|
3
|
$real_base_import = \&base::import; |
373
|
1
|
|
|
1
|
|
5
|
$real_mixin_import = \&mixin::import; |
|
1
|
|
|
|
|
2
|
|
|
1
|
|
|
|
|
65
|
|
374
|
1
|
|
|
|
|
14
|
no warnings; |
375
|
1
|
|
|
|
|
56
|
*base::import = \&spiffy_base_import; |
376
|
|
|
|
|
|
|
*mixin::import = \&spiffy_mixin_import; |
377
|
|
|
|
|
|
|
} |
378
|
|
|
|
|
|
|
|
379
|
|
|
|
|
|
|
# my $i = 0; |
380
|
|
|
|
|
|
|
# while (my $caller = caller($i++)) { |
381
|
|
|
|
|
|
|
# next unless $caller eq 'base' or $caller eq 'mixin'; |
382
|
|
|
|
|
|
|
# croak <<END; |
383
|
|
|
|
|
|
|
# Spiffy.pm must be loaded before calling 'use base' or 'use mixin' with a |
384
|
|
|
|
|
|
|
# Spiffy module. See the documentation of Spiffy.pm for details. |
385
|
|
|
|
|
|
|
# END |
386
|
|
|
|
|
|
|
# } |
387
|
|
|
|
|
|
|
|
388
|
2
|
|
|
2
|
0
|
119
|
sub spiffy_base_import { |
389
|
2
|
|
|
|
|
4
|
my @base_classes = @_; |
390
|
1
|
|
|
1
|
|
5
|
shift @base_classes; |
|
1
|
|
|
|
|
2
|
|
|
1
|
|
|
|
|
315
|
|
391
|
2
|
|
|
|
|
9
|
no strict 'refs'; |
392
|
|
|
|
|
|
|
goto &$real_base_import |
393
|
2
|
50
|
|
|
|
6
|
unless grep { |
|
2
|
50
|
|
|
|
3
|
|
394
|
2
|
|
|
|
|
328
|
eval "require $_" unless %{"$_\::"}; |
395
|
|
|
|
|
|
|
$_->isa('Spiffy'); |
396
|
0
|
|
|
|
|
|
} @base_classes; |
397
|
0
|
|
|
|
|
|
my $inheritor = caller(0); |
398
|
0
|
0
|
|
|
|
|
for my $base_class (@base_classes) { |
399
|
0
|
0
|
|
|
|
|
next if $inheritor->isa($base_class); |
400
|
|
|
|
|
|
|
croak "Can't mix Spiffy and non-Spiffy classes in 'use base'.\n", |
401
|
|
|
|
|
|
|
"See the documentation of Spiffy.pm for details\n " |
402
|
0
|
|
|
|
|
|
unless $base_class->isa('Spiffy'); |
403
|
0
|
|
|
|
|
|
$stack_frame = 1; # tell import to use different caller |
404
|
0
|
|
|
|
|
|
import($base_class, '-base'); |
405
|
|
|
|
|
|
|
$stack_frame = 0; |
406
|
|
|
|
|
|
|
} |
407
|
|
|
|
|
|
|
} |
408
|
|
|
|
|
|
|
|
409
|
0
|
|
|
0
|
0
|
|
sub mixin { |
410
|
0
|
|
|
|
|
|
my $self = shift; |
411
|
0
|
|
|
|
|
|
my $target_class = ref($self); |
412
|
|
|
|
|
|
|
spiffy_mixin_import($target_class, @_) |
413
|
|
|
|
|
|
|
} |
414
|
|
|
|
|
|
|
|
415
|
0
|
|
|
0
|
0
|
|
sub spiffy_mixin_import { |
416
|
0
|
0
|
|
|
|
|
my $target_class = shift; |
417
|
|
|
|
|
|
|
$target_class = caller(0) |
418
|
0
|
0
|
|
|
|
|
if $target_class eq 'mixin'; |
419
|
|
|
|
|
|
|
my $mixin_class = shift |
420
|
0
|
|
|
|
|
|
or die "Nothing to mixin"; |
421
|
0
|
|
|
|
|
|
eval "require $mixin_class"; |
422
|
0
|
|
|
|
|
|
my @roles = @_; |
423
|
0
|
|
|
|
|
|
my $pseudo_class = join '-', $target_class, $mixin_class, @roles; |
424
|
1
|
|
|
1
|
|
5
|
my %methods = spiffy_mixin_methods($mixin_class, @roles); |
|
1
|
|
|
|
|
1
|
|
|
1
|
|
|
|
|
21
|
|
425
|
1
|
|
|
1
|
|
4
|
no strict 'refs'; |
|
1
|
|
|
|
|
2
|
|
|
1
|
|
|
|
|
125
|
|
426
|
0
|
|
|
|
|
|
no warnings; |
|
0
|
|
|
|
|
|
|
|
0
|
|
|
|
|
|
|
427
|
0
|
|
|
|
|
|
@{"$pseudo_class\::ISA"} = @{"$target_class\::ISA"}; |
|
0
|
|
|
|
|
|
|
428
|
0
|
|
|
|
|
|
@{"$target_class\::ISA"} = ($pseudo_class); |
429
|
0
|
|
|
|
|
|
for (keys %methods) { |
|
0
|
|
|
|
|
|
|
430
|
|
|
|
|
|
|
*{"$pseudo_class\::$_"} = $methods{$_}; |
431
|
|
|
|
|
|
|
} |
432
|
|
|
|
|
|
|
} |
433
|
|
|
|
|
|
|
|
434
|
0
|
|
|
0
|
0
|
|
sub spiffy_mixin_methods { |
435
|
1
|
|
|
1
|
|
4
|
my $mixin_class = shift; |
|
1
|
|
|
|
|
1
|
|
|
1
|
|
|
|
|
379
|
|
436
|
0
|
|
|
|
|
|
no strict 'refs'; |
437
|
0
|
|
|
|
|
|
my %methods = spiffy_all_methods($mixin_class); |
438
|
0
|
0
|
|
|
|
|
map { |
439
|
0
|
|
|
|
|
|
$methods{$_} |
440
|
0
|
0
|
|
|
|
|
? ($_, \ &{"$methods{$_}\::$_"}) |
441
|
|
|
|
|
|
|
: ($_, \ &{"$mixin_class\::$_"}) |
442
|
|
|
|
|
|
|
} @_ |
443
|
|
|
|
|
|
|
? (get_roles($mixin_class, @_)) |
444
|
|
|
|
|
|
|
: (keys %methods); |
445
|
|
|
|
|
|
|
} |
446
|
|
|
|
|
|
|
|
447
|
0
|
|
|
0
|
0
|
|
sub get_roles { |
448
|
0
|
|
|
|
|
|
my $mixin_class = shift; |
449
|
0
|
|
|
|
|
|
my @roles = @_; |
450
|
0
|
|
|
|
|
|
while (grep /^!*:/, @roles) { |
451
|
0
|
|
|
|
|
|
@roles = map { |
452
|
|
|
|
|
|
|
s/!!//g; |
453
|
0
|
|
|
|
|
|
/^!:(.*)/ ? do { |
454
|
0
|
|
|
|
|
|
my $m = "_role_$1"; |
455
|
|
|
|
|
|
|
map("!$_", $mixin_class->$m); |
456
|
0
|
0
|
|
|
|
|
} : |
|
|
0
|
|
|
|
|
|
457
|
0
|
|
|
|
|
|
/^:(.*)/ ? do { |
458
|
0
|
|
|
|
|
|
my $m = "_role_$1"; |
459
|
|
|
|
|
|
|
($mixin_class->$m); |
460
|
|
|
|
|
|
|
} : |
461
|
|
|
|
|
|
|
($_) |
462
|
|
|
|
|
|
|
} @roles; |
463
|
0
|
0
|
0
|
|
|
|
} |
464
|
0
|
|
|
|
|
|
if (@roles and $roles[0] =~ /^!/) { |
465
|
0
|
|
|
|
|
|
my %methods = spiffy_all_methods($mixin_class); |
466
|
|
|
|
|
|
|
unshift @roles, keys(%methods); |
467
|
0
|
|
|
|
|
|
} |
468
|
0
|
|
|
|
|
|
my %roles; |
469
|
0
|
|
|
|
|
|
for (@roles) { |
470
|
0
|
0
|
|
|
|
|
s/!!//g; |
471
|
|
|
|
|
|
|
delete $roles{$1}, next |
472
|
0
|
|
|
|
|
|
if /^!(.*)/; |
473
|
|
|
|
|
|
|
$roles{$_} = 1; |
474
|
0
|
|
|
|
|
|
} |
475
|
|
|
|
|
|
|
keys %roles; |
476
|
|
|
|
|
|
|
} |
477
|
|
|
|
|
|
|
|
478
|
1
|
|
|
1
|
|
5
|
sub spiffy_all_methods { |
|
1
|
|
|
|
|
3
|
|
|
1
|
|
|
|
|
197
|
|
479
|
0
|
|
|
0
|
0
|
|
no strict 'refs'; |
480
|
0
|
0
|
|
|
|
|
my $class = shift; |
481
|
0
|
|
|
|
|
|
return if $class eq 'Spiffy'; |
482
|
0
|
|
|
|
|
|
my %methods = map { |
483
|
|
|
|
|
|
|
($_, $class) |
484
|
0
|
0
|
|
|
|
|
} grep { |
|
0
|
|
|
|
|
|
|
485
|
0
|
|
|
|
|
|
defined &{"$class\::$_"} and not /^_/ |
486
|
0
|
|
|
|
|
|
} keys %{"$class\::"}; |
487
|
0
|
|
|
|
|
|
my %super_methods; |
|
0
|
|
|
|
|
|
|
488
|
0
|
0
|
|
|
|
|
%super_methods = spiffy_all_methods(${"$class\::ISA"}[0]) |
489
|
0
|
|
|
|
|
|
if @{"$class\::ISA"}; |
|
0
|
|
|
|
|
|
|
490
|
|
|
|
|
|
|
%{{%super_methods, %methods}}; |
491
|
|
|
|
|
|
|
} |
492
|
|
|
|
|
|
|
|
493
|
|
|
|
|
|
|
|
494
|
|
|
|
|
|
|
# END of naughty code. |
495
|
|
|
|
|
|
|
#=============================================================================== |
496
|
|
|
|
|
|
|
# Debugging support |
497
|
|
|
|
|
|
|
#=============================================================================== |
498
|
1
|
|
|
1
|
|
5
|
sub spiffy_dump { |
|
1
|
|
|
|
|
2
|
|
|
1
|
|
|
|
|
317
|
|
499
|
0
|
0
|
|
0
|
0
|
|
no warnings; |
500
|
0
|
|
|
|
|
|
if ($dump eq 'dumper') { |
501
|
0
|
|
|
|
|
|
require Data::Dumper; |
502
|
0
|
|
|
|
|
|
$Data::Dumper::Sortkeys = 1; |
503
|
0
|
|
|
|
|
|
$Data::Dumper::Indent = 1; |
504
|
|
|
|
|
|
|
return Data::Dumper::Dumper(@_); |
505
|
0
|
|
|
|
|
|
} |
506
|
0
|
|
|
|
|
|
require YAML; |
507
|
0
|
|
|
|
|
|
$YAML::UseVersion = 0; |
508
|
|
|
|
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|
|
return YAML::Dump(@_) . "...\n"; |
509
|
|
|
|
|
|
|
} |
510
|
|
|
|
|
|
|
|
511
|
0
|
|
|
0
|
0
|
|
sub at_line_number { |
512
|
0
|
|
|
|
|
|
my ($file_path, $line_number) = (caller(1))[1,2]; |
513
|
|
|
|
|
|
|
" at $file_path line $line_number\n"; |
514
|
|
|
|
|
|
|
} |
515
|
|
|
|
|
|
|
|
516
|
0
|
|
|
0
|
0
|
|
sub WWW { |
517
|
0
|
0
|
|
|
|
|
warn spiffy_dump(@_) . at_line_number; |
518
|
|
|
|
|
|
|
return wantarray ? @_ : $_[0]; |
519
|
|
|
|
|
|
|
} |
520
|
|
|
|
|
|
|
|
521
|
0
|
|
|
0
|
0
|
|
sub XXX { |
522
|
|
|
|
|
|
|
die spiffy_dump(@_) . at_line_number; |
523
|
|
|
|
|
|
|
} |
524
|
|
|
|
|
|
|
|
525
|
0
|
|
|
0
|
0
|
|
sub YYY { |
526
|
0
|
0
|
|
|
|
|
print spiffy_dump(@_) . at_line_number; |
527
|
|
|
|
|
|
|
return wantarray ? @_ : $_[0]; |
528
|
|
|
|
|
|
|
} |
529
|
|
|
|
|
|
|
|
530
|
0
|
|
|
0
|
0
|
|
sub ZZZ { |
531
|
0
|
|
|
|
|
|
require Carp; |
532
|
|
|
|
|
|
|
Carp::confess spiffy_dump(@_); |
533
|
|
|
|
|
|
|
} |
534
|
|
|
|
|
|
|
|
535
|
|
|
|
|
|
|
1; |
536
|
|
|
|
|
|
|
|
537
|
|
|
|
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|
|
__END__ |
538
|
|
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|
|
539
|
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|
#line 1066 |