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164
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1 package IMPL::lang;
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2 use strict;
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3 use warnings;
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4
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165
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5 use parent qw(Exporter);
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164
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6 use IMPL::_core::version;
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7
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167
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8 require IMPL::Class::PropertyInfo;
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164
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9
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167
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10 our @EXPORT = qw(&is);
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11 our %EXPORT_TAGS = (
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12 base => [
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13 qw(
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14 &is
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15 )
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16 ],
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17 constants => [
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18 qw(
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19 &ACCESS_PUBLIC
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20 &ACCESS_PROTECTED
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21 &ACCESS_PRIVATE
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22 &PROP_GET
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23 &PROP_SET
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24 &PROP_OWNERSET
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25 &PROP_LIST
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26 &PROP_ALL
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27 )
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28 ],
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29
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30 declare => [
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31 qw(
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32 &public
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33 &protected
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34 &private
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35 &virtual
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36 &property
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37 &static
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38 &property
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39 )
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40 ],
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41 compare => [
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42 qw(
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43 &equals
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44 &equals_s
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45 )
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46 ]
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47 );
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48
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49 our @EXPORT_OK = keys %{ { map (($_,1) , map (@{$_}, values %EXPORT_TAGS) ) } };
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50
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51 use constant {
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52 ACCESS_PUBLIC => 1,
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53 ACCESS_PROTECTED => 2,
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54 ACCESS_PRIVATE => 3,
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55 PROP_GET => 1,
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56 PROP_SET => 2,
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57 PROP_OWNERSET => 10,
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58 PROP_LIST => 4,
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59 PROP_ALL => 3
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60 };
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164
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61
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62 sub is($$) {
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167
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63 eval { $_[0]->isa( $_[1] ) };
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64 }
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65
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66 sub virtual($) {
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67 $_[0]->Virtual(1);
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68 $_[0];
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69 }
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70
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71 sub public($) {
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72 $_[0]->Access(ACCESS_PUBLIC);
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73 $_[0]->Implement;
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74 $_[0];
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75 }
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76
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77 sub private($) {
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78 $_[0]->Access(ACCESS_PRIVATE);
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79 $_[0]->Implement;
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80 $_[0];
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81 }
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82
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83 sub protected($) {
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84 $_[0]->Access(ACCESS_PROTECTED);
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85 $_[0]->Implement;
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86 $_[0];
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164
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87 }
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88
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167
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89 sub property($$;$) {
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90 my ( $propName, $mutators, $attributes ) = @_;
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91 my $Info = new IMPL::Class::PropertyInfo(
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92 {
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93 Name => $propName,
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94 Mutators => $mutators,
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95 Class => scalar(caller),
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96 Attributes => $attributes
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97 }
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98 );
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99 return $Info;
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100 }
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101
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102 sub static($$) {
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103 my ( $name, $value ) = @_;
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104 my $class = caller;
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105 $class->static_accessor( $name, $value );
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106 }
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107
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108 sub equals {
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109 if (defined $_[0]) {
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110 return 0 if (not defined $_[1]);
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111
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112 return $_[0] == $_[1];
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113 } else {
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114 return 0 if defined $_[1];
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115
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116 return 1;
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117 }
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118 }
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119
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120 sub equals_s {
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121 if (defined $_[0]) {
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122 return 0 if (not defined $_[1]);
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123
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124 return $_[0] eq $_[1];
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125 } else {
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126 return 0 if defined $_[1];
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127
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128 return 1;
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129 }
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130 }
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131
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132 1;
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