Mercurial > pub > Impl
annotate Lib/IMPL/Object/Abstract.pm @ 69:8c7b88bdb663
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| author | wizard |
|---|---|
| date | Wed, 24 Mar 2010 17:41:41 +0300 |
| parents | 76b878ad6596 |
| children | dc1da0389db7 |
| rev | line source |
|---|---|
| 49 | 1 package IMPL::Object::Abstract; |
| 2 use strict; | |
| 3 use warnings; | |
| 4 | |
| 5 use base qw(IMPL::Class::Meta); | |
| 6 | |
| 7 our $MemoryLeakProtection; | |
| 8 my $Cleanup = 0; | |
| 9 | |
| 10 my %cacheCTOR; | |
| 11 | |
| 12 my $t = 0; | |
| 13 sub cache_ctor { | |
| 14 my $class = shift; | |
| 15 | |
| 16 no strict 'refs'; | |
| 17 my @sequence; | |
| 18 | |
| 19 my $refCTORS = *{"${class}::CTOR"}{HASH}; | |
| 20 | |
| 21 foreach my $super ( @{"${class}::ISA"} ) { | |
| 22 my $superSequence = $cacheCTOR{$super} || cache_ctor($super); | |
| 23 | |
| 24 my $mapper = $refCTORS ? $refCTORS->{$super} : undef; | |
| 25 if (ref $mapper eq 'CODE') { | |
| 26 if ($mapper == *_pass_throgh_mapper{CODE}) { | |
| 27 push @sequence,@$superSequence; | |
| 28 } else { | |
| 29 push @sequence, sub { | |
| 30 my $this = shift; | |
| 31 $this->$_($mapper->(@_)) foreach @$superSequence; | |
| 32 }; | |
| 33 } | |
| 34 } else { | |
| 35 warn "Unsupported mapper type, in '$class' for the super class '$super'" if $mapper; | |
| 36 push @sequence, sub { | |
| 37 my $this = shift; | |
| 38 $this->$_() foreach @$superSequence; | |
| 39 }; | |
| 40 } | |
| 41 } | |
| 42 | |
| 43 push @sequence, *{"${class}::CTOR"}{CODE} if *{"${class}::CTOR"}{CODE}; | |
| 44 | |
| 45 $cacheCTOR{$class} = \@sequence; | |
| 46 return \@sequence; | |
| 47 } | |
| 48 | |
| 49 sub callCTOR { | |
| 50 my $self = shift; | |
| 51 my $class = ref $self; | |
| 52 | |
| 53 $self->$_(@_) foreach @{$cacheCTOR{$class} || cache_ctor($class)}; | |
| 54 } | |
| 55 | |
| 56 sub superCTOR { | |
| 57 my $this = shift; | |
| 58 | |
| 59 warn "The mehod is deprecated, at " . caller; | |
| 60 } | |
| 61 | |
| 62 sub toString { | |
| 63 my $self = shift; | |
| 64 | |
| 65 return (ref $self || $self); | |
| 66 } | |
| 67 | |
| 68 sub isDisposed { | |
| 69 0; | |
| 70 } | |
| 71 | |
| 72 #sub DESTROY { | |
| 73 # if ($MemoryLeakProtection and $Cleanup) { | |
| 74 # my $this = shift; | |
| 75 # warn sprintf("Object leaks: %s of type %s %s",$this->can('ToString') ? $this->ToString : $this,ref $this,UNIVERSAL::can($this,'_dump') ? $this->_dump : ''); | |
| 76 # } | |
| 77 #} | |
| 78 | |
| 79 sub END { | |
| 80 $Cleanup = 1; | |
| 81 } | |
| 82 | |
| 83 sub _pass_throgh_mapper { | |
| 84 @_; | |
| 85 } | |
| 86 | |
| 87 sub PassArgs { | |
| 88 \&_pass_throgh_mapper; | |
| 89 } | |
| 90 | |
| 91 sub PassThroughArgs { | |
| 92 my $class = shift; | |
| 93 $class = ref $class || $class; | |
| 94 no strict 'refs'; | |
| 95 no warnings 'once'; | |
| 96 ${"${class}::CTOR"}{$_} = \&_pass_throgh_mapper foreach @{"${class}::ISA"}; | |
| 97 } | |
| 98 | |
| 99 package self; | |
| 100 | |
| 101 our $AUTOLOAD; | |
| 102 sub AUTOLOAD { | |
| 103 goto &{caller(). substr $AUTOLOAD,4}; | |
| 104 } | |
| 105 | |
| 106 package supercall; | |
| 107 | |
| 108 our $AUTOLOAD; | |
| 109 sub AUTOLOAD { | |
| 110 my $sub; | |
| 111 my $methodName = substr $AUTOLOAD,11; | |
| 112 no strict 'refs'; | |
| 113 $sub = $_->can($methodName) and $sub->(@_) foreach @{caller().'::ISA'}; | |
| 114 } | |
| 115 | |
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116 1; |
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117 |
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118 __END__ |
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119 |
| 49 | 120 =pod |
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121 =head1 SYNOPSIS |
| 49 | 122 |
| 123 package MyBaseObject; | |
| 124 use base qw(IMPL::Object::Abstract); | |
| 125 | |
| 126 sub new { | |
| 127 # own implementation of the new opeator | |
| 128 } | |
| 129 | |
| 130 sub surrogate { | |
| 131 # own implementation of the surrogate operator | |
| 132 } | |
| 133 | |
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134 =head1 DESCRIPTION |
| 49 | 135 |
| 136 Реализация механизма вызова конструкторов и других вспомогательных вещей, кроме операторов | |
| 137 создания экземпляров. | |
| 138 =cut |