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49
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1 package IMPL::Object::Abstract;
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2 use strict;
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3 use warnings;
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4
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5 use base qw(IMPL::Class::Meta);
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6
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7 our $MemoryLeakProtection;
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8 my $Cleanup = 0;
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9
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10 my %cacheCTOR;
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11
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12 my $t = 0;
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13 sub cache_ctor {
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14 my $class = shift;
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15
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16 no strict 'refs';
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17 my @sequence;
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18
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19 my $refCTORS = *{"${class}::CTOR"}{HASH};
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20
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21 foreach my $super ( @{"${class}::ISA"} ) {
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22 my $superSequence = $cacheCTOR{$super} || cache_ctor($super);
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23
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24 my $mapper = $refCTORS ? $refCTORS->{$super} : undef;
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25 if (ref $mapper eq 'CODE') {
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26 if ($mapper == *_pass_throgh_mapper{CODE}) {
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27 push @sequence,@$superSequence;
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28 } else {
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29 push @sequence, sub {
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30 my $this = shift;
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31 $this->$_($mapper->(@_)) foreach @$superSequence;
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32 };
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33 }
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34 } else {
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35 warn "Unsupported mapper type, in '$class' for the super class '$super'" if $mapper;
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36 push @sequence, sub {
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37 my $this = shift;
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38 $this->$_() foreach @$superSequence;
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39 };
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40 }
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41 }
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42
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43 push @sequence, *{"${class}::CTOR"}{CODE} if *{"${class}::CTOR"}{CODE};
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44
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45 $cacheCTOR{$class} = \@sequence;
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46 return \@sequence;
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47 }
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48
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49 sub callCTOR {
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50 my $self = shift;
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51 my $class = ref $self;
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52
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53 $self->$_(@_) foreach @{$cacheCTOR{$class} || cache_ctor($class)};
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54 }
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55
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56 sub superCTOR {
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57 my $this = shift;
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58
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59 warn "The mehod is deprecated, at " . caller;
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60 }
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61
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62 sub toString {
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63 my $self = shift;
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64
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65 return (ref $self || $self);
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66 }
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67
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68 sub isDisposed {
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69 0;
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70 }
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71
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72 #sub DESTROY {
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73 # if ($MemoryLeakProtection and $Cleanup) {
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74 # my $this = shift;
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75 # warn sprintf("Object leaks: %s of type %s %s",$this->can('ToString') ? $this->ToString : $this,ref $this,UNIVERSAL::can($this,'_dump') ? $this->_dump : '');
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76 # }
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77 #}
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78
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79 sub END {
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80 $Cleanup = 1;
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81 }
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82
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83 sub _pass_throgh_mapper {
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84 @_;
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85 }
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86
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87 sub PassArgs {
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88 \&_pass_throgh_mapper;
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89 }
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90
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91 sub PassThroughArgs {
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92 my $class = shift;
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93 $class = ref $class || $class;
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94 no strict 'refs';
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95 no warnings 'once';
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96 ${"${class}::CTOR"}{$_} = \&_pass_throgh_mapper foreach @{"${class}::ISA"};
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97 }
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98
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99 package self;
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100
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101 our $AUTOLOAD;
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102 sub AUTOLOAD {
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103 goto &{caller(). substr $AUTOLOAD,4};
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104 }
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105
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106 package supercall;
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107
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108 our $AUTOLOAD;
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109 sub AUTOLOAD {
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110 my $sub;
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111 my $methodName = substr $AUTOLOAD,11;
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112 no strict 'refs';
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113 $sub = $_->can($methodName) and $sub->(@_) foreach @{caller().'::ISA'};
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114 }
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115
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116 =pod
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117 =h1 SYNOPSIS
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118
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119 package MyBaseObject;
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120 use base qw(IMPL::Object::Abstract);
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121
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122 sub new {
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123 # own implementation of the new opeator
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124 }
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125
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126 sub surrogate {
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127 # own implementation of the surrogate operator
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128 }
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129
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130 =h1 DESCRIPTION
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131
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132 Реализация механизма вызова конструкторов и других вспомогательных вещей, кроме операторов
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133 создания экземпляров.
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134 =cut
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135
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136 1;
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