Mercurial > pub > Impl
annotate Lib/IMPL/Object/Abstract.pm @ 239:23daf2fae33a
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| author | sergey |
|---|---|
| date | Tue, 16 Oct 2012 20:14:11 +0400 |
| parents | 6b1dda998839 |
| children | ad93c9f4dd93 |
| rev | line source |
|---|---|
| 49 | 1 package IMPL::Object::Abstract; |
| 2 use strict; | |
| 3 use warnings; | |
| 4 | |
| 166 | 5 use parent qw(IMPL::Class::Meta); |
| 49 | 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"} ) { | |
| 194 | 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_through_mapper{CODE}) { | |
| 27 push @sequence,@$superSequence; | |
| 28 } else { | |
| 29 push @sequence, sub { | |
| 30 my $this = shift; | |
| 31 $this->$_($mapper->(@_)) foreach @$superSequence; | |
| 32 } if @$superSequence; | |
| 33 } | |
|
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34 } elsif ($mapper and not ref $mapper and $mapper eq '@_') { |
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35 push @sequence,@$superSequence; |
| 194 | 36 } else { |
| 37 warn "Unsupported mapper type, in '$class' for the super class '$super'" if $mapper; | |
| 38 push @sequence, sub { | |
| 39 my $this = shift; | |
| 40 $this->$_() foreach @$superSequence; | |
| 41 } if @$superSequence; | |
| 42 } | |
| 49 | 43 } |
| 44 | |
| 45 push @sequence, *{"${class}::CTOR"}{CODE} if *{"${class}::CTOR"}{CODE}; | |
| 46 | |
| 47 $cacheCTOR{$class} = \@sequence; | |
| 48 return \@sequence; | |
| 49 } | |
| 50 | |
| 90 | 51 sub dump_ctor { |
| 194 | 52 my ($self) = @_; |
| 53 $self = ref $self || $self; | |
| 54 | |
| 55 warn "dumping $self .ctor"; | |
| 56 warn "$_" foreach @{$cacheCTOR{$self}||[]}; | |
| 90 | 57 } |
| 58 | |
| 49 | 59 sub callCTOR { |
| 60 my $self = shift; | |
| 61 my $class = ref $self; | |
| 62 | |
| 63 $self->$_(@_) foreach @{$cacheCTOR{$class} || cache_ctor($class)}; | |
| 64 } | |
| 65 | |
| 66 sub toString { | |
| 67 my $self = shift; | |
| 68 | |
| 69 return (ref $self || $self); | |
| 70 } | |
| 71 | |
| 122 | 72 sub typeof { |
| 194 | 73 ref $_[0] || $_[0]; |
| 93 | 74 } |
| 75 | |
| 49 | 76 sub isDisposed { |
| 77 0; | |
| 78 } | |
| 79 | |
| 80 #sub DESTROY { | |
| 81 # if ($MemoryLeakProtection and $Cleanup) { | |
| 82 # my $this = shift; | |
| 83 # warn sprintf("Object leaks: %s of type %s %s",$this->can('ToString') ? $this->ToString : $this,ref $this,UNIVERSAL::can($this,'_dump') ? $this->_dump : ''); | |
| 84 # } | |
| 85 #} | |
| 86 | |
| 87 sub END { | |
| 88 $Cleanup = 1; | |
| 89 } | |
| 90 | |
| 174 | 91 sub _pass_through_mapper { |
| 49 | 92 @_; |
| 93 } | |
| 94 | |
| 95 sub PassArgs { | |
| 174 | 96 \&_pass_through_mapper; |
| 49 | 97 } |
| 98 | |
| 99 sub PassThroughArgs { | |
| 100 my $class = shift; | |
| 101 $class = ref $class || $class; | |
| 102 no strict 'refs'; | |
| 103 no warnings 'once'; | |
| 174 | 104 ${"${class}::CTOR"}{$_} = \&_pass_through_mapper foreach @{"${class}::ISA"}; |
| 49 | 105 } |
| 106 | |
| 107 package self; | |
| 108 | |
| 109 our $AUTOLOAD; | |
| 110 sub AUTOLOAD { | |
| 108 | 111 goto &{caller(). substr $AUTOLOAD,6}; |
| 49 | 112 } |
| 113 | |
| 114 package supercall; | |
| 115 | |
| 116 our $AUTOLOAD; | |
| 117 sub AUTOLOAD { | |
| 118 my $sub; | |
| 119 my $methodName = substr $AUTOLOAD,11; | |
| 120 no strict 'refs'; | |
| 121 $sub = $_->can($methodName) and $sub->(@_) foreach @{caller().'::ISA'}; | |
| 122 } | |
| 123 | |
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124 1; |
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125 |
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126 __END__ |
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127 |
| 49 | 128 =pod |
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129 =head1 SYNOPSIS |
| 49 | 130 |
| 131 package MyBaseObject; | |
| 166 | 132 use parent qw(IMPL::Object::Abstract); |
| 49 | 133 |
| 134 sub new { | |
| 135 # own implementation of the new opeator | |
| 136 } | |
| 137 | |
| 138 sub surrogate { | |
| 139 # own implementation of the surrogate operator | |
| 140 } | |
| 141 | |
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142 =head1 DESCRIPTION |
| 49 | 143 |
| 180 | 144 Реализация механизма вызова конструкторов и других вспомогательных вещей, кроме операторов |
| 145 создания экземпляров. | |
| 49 | 146 =cut |