/usr/share/perl5/PPIx/Regexp/Token/GroupType/Code.pm is in libppix-regexp-perl 0.050-1.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 157 158 159 160 161 | =head1 NAME
PPIx::Regexp::Token::GroupType::Code - Represent one of the embedded code indicators
=head1 SYNOPSIS
use PPIx::Regexp::Dumper;
PPIx::Regexp::Dumper->new( 'qr{(?{print "hello world!\n")}smx' )
->print();
=head1 INHERITANCE
C<PPIx::Regexp::Token::GroupType::Code> is a
L<PPIx::Regexp::Token::GroupType|PPIx::Regexp::Token::GroupType>.
C<PPIx::Regexp::Token::GroupType::Code> has no descendants.
=head1 DESCRIPTION
This method represents one of the embedded code indicators, either '?'
or '??', in the zero-width assertion
(?{ print "Hello, world!\n" })
or the old-style deferred expression syntax
my $foo;
$foo = qr{ foo (??{ $foo }) }smx;
=head1 METHODS
This class provides no public methods beyond those provided by its
superclass.
=cut
package PPIx::Regexp::Token::GroupType::Code;
use strict;
use warnings;
use base qw{ PPIx::Regexp::Token::GroupType };
use PPIx::Regexp::Constant qw{ MINIMUM_PERL };
our $VERSION = '0.050';
# Return true if the token can be quantified, and false otherwise
# sub can_be_quantified { return };
{
my %explanation = (
'??' => 'Evaluate code, use as regexp at this point',
'?p' => 'Evaluate code, use as regexp at this point (removed in 5.9.5)',
'?' => 'Evaluate code. Always matches.',
);
sub __explanation {
return \%explanation;
}
}
{
my %perl_version_introduced = (
'?' => '5.005',
'?p' => '5.005', # Presumed. I can find no documentation.
'??' => '5.006',
);
sub perl_version_introduced {
my ( $self ) = @_;
return $perl_version_introduced{ $self->unescaped_content() } ||
'5.005';
}
}
{
my %perl_version_removed = (
'?p' => '5.009005',
);
sub perl_version_removed {
my ( $self ) = @_;
return $perl_version_removed{ $self->content() };
}
}
=begin comment
sub __PPIX_TOKENIZER__regexp {
my ( $class, $tokenizer, $character ) = @_;
# Recognize '?{', '??{', or '?p{', the latter deprecated in Perl
# 5.6, and removed in 5.10. The extra escapes are because the
# non-open-bracket characters may appear as delimiters to the
# expression.
if ( my $accept = $tokenizer->find_regexp(
qr{ \A \\? \? \\? [?p]? \{ }smx ) ) {
--$accept; # Don't want the curly bracket.
# Code token comes after.
$tokenizer->expect( 'PPIx::Regexp::Token::Code' );
return $accept;
}
return;
}
=end comment
=cut
sub __defining_string {
return (
{ suffix => '{' },
'?',
'??',
'?p',
);
}
sub __match_setup {
my ( undef, $tokenizer ) = @_; # Invocant unused
$tokenizer->expect( qw{ PPIx::Regexp::Token::Code } );
return;
}
1;
__END__
=head1 SUPPORT
Support is by the author. Please file bug reports at
L<http://rt.cpan.org>, or in electronic mail to the author.
=head1 AUTHOR
Thomas R. Wyant, III F<wyant at cpan dot org>
=head1 COPYRIGHT AND LICENSE
Copyright (C) 2009-2016 by Thomas R. Wyant, III
This program is free software; you can redistribute it and/or modify it
under the same terms as Perl 5.10.0. For more details, see the full text
of the licenses in the directory LICENSES.
This program is distributed in the hope that it will be useful, but
without any warranty; without even the implied warranty of
merchantability or fitness for a particular purpose.
=cut
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