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package PPI::Token::Operator;
use strict;
use UNIVERSAL 'isa';
use base 'PPI::Token';
use vars qw{$VERSION %OPERATOR};
BEGIN {
$VERSION = '0.903';
# Build the operator index
### NOTE - This is accessed several times explicitly
### in PPI::Token::Word. Do not rename this
### without also correcting them.
%OPERATOR = map { $_ => 1 } (
qw{
-> ++ -- ** ! ~ + -
=~ !~ * / % x + - . << >>
< > <= >= lt gt le ge
== != <=> eq ne cmp
& | ^ && || // .. ...
? : = += -= *= .=
=> <>
and or dor not
}, ',' # Avoids "comma in qw{}" warning
);
}
sub _on_char {
my $t = $_[1];
my $char = substr( $t->{line}, $t->{line_cursor}, 1 );
# Are we still an operator if we add the next character
return 1 if $OPERATOR{ $t->{token}->{content} . $char };
# Handle the special case if we might be a here-doc
if ( $t->{token}->{content} eq '<<' ) {
my $line = substr( $t->{line}, $t->{line_cursor} );
if ( $line =~ /^(?:[^\W\d]|\s*['"`])/ ) {
# This is a here-doc.
# Change the class and move to the HereDoc's own _on_char method.
$t->_set_token_class('HereDoc');
return $t->{class}->_on_char( $t );
}
}
# Handle the special case of the null Readline
if ( $t->{token}->{content} eq '<>' ) {
$t->_set_token_class('QuoteLike::Readline');
}
# Finalize normally
$t->_finalize_token->_on_char( $t );
}
1;
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