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package Salvation::TC::Parser; |
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use strict; |
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145
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use warnings; |
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use Module::Load (); |
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use Class::Inspector (); |
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635
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our $VERSION = 0.06; |
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our $BACKEND; |
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{ |
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my $loaded; |
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sub detect { |
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0
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$_[ 0 ] -> load_backend(); |
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return $BACKEND if defined $BACKEND; |
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4
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50
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if( eval { require Salvation::TC::Parser::XS; 1 } ) { |
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1504
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0
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0
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0
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$BACKEND = 'Salvation::TC::Parser::XS'; |
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0
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$loaded = 1; |
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} else { |
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$BACKEND = 'Salvation::TC::Parser::PP'; |
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} |
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$_[ 0 ] -> load_backend(); |
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return $BACKEND; |
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} |
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sub load_backend { |
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100
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0
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return unless defined $BACKEND; |
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unless( $loaded ) { |
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$loaded = 1; |
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Module::Load::load( $BACKEND ); |
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} |
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return; |
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} |
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} |
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{ |
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my $code; |
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sub tokenize_type_str { |
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137
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100
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0
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goto $code if defined $code; |
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4
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$_[ 0 ] -> detect(); |
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my $name = "${BACKEND}::tokenize_type_str_impl"; |
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13
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no strict 'refs'; |
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251
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60
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goto $code = *$name{ 'CODE' }; |
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} |
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} |
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65
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{ |
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my $code; |
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68
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sub tokenize_signature_str { |
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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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goto $code if defined $code; |
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72
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0
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$_[ 0 ] -> detect(); |
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my $name = "${BACKEND}::tokenize_signature_str_impl"; |
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75
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4
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4
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11
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no strict 'refs'; |
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4
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739
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76
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77
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0
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0
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goto $code = *$name{ 'CODE' }; |
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} |
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} |
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81
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sub parameterizable_type_class_ns { |
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83
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51
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0
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return 'Salvation::TC::Meta::Type::Parameterized'; |
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} |
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86
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{ |
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my $re = qr/^Salvation::TC::Type::(.+?)$/; |
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89
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sub look_for_type_short_name { |
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0
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0
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my ( $self, $full_name ) = @_; |
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0
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return ( $full_name =~ $re )[ 0 ]; |
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} |
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} |
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97
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sub load_parameterizable_type_class { |
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99
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51
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0
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my ( $self, $word ) = @_; |
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101
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my $ns = $self -> parameterizable_type_class_ns(); |
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my $class = "${ns}::${word}"; |
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my $parameterizable_type = ''; |
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105
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51
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113
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local $SIG{ '__DIE__' } = 'DEFAULT'; |
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107
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51
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50
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140
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if( |
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0
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108
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Class::Inspector -> loaded( $class ) |
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8
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535
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|| eval{ Module::Load::load( $class ); 1 } |
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8
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88
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110
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) { |
111
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112
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51
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873
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$parameterizable_type = $class; |
113
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114
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} elsif( defined( $word = $self -> look_for_type_short_name( $word ) ) ) { |
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116
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0
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$class = "${ns}::${word}"; |
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118
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0
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0
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0
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0
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if( |
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Class::Inspector -> loaded( $class ) |
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0
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|| eval{ Module::Load::load( $class ); 1 } |
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0
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0
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121
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) { |
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123
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0
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0
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$parameterizable_type = $class; |
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} |
125
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} |
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127
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51
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131
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return $parameterizable_type; |
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} |
129
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130
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1; |
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132
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__END__ |