lib/Reply/Plugin/Autocomplete/Keywords.pm


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package Reply::Plugin::Autocomplete::Keywords;
use strict;
use warnings;
# ABSTRACT: tab completion for perl keywords

use base 'Reply::Plugin';

use B::Keywords qw/@Functions @Barewords/;

=head1 SYNOPSIS

  ; .replyrc
  [ReadLine]
  [Autocomplete::Keywords]

=head1 DESCRIPTION

This plugin registers a tab key handler to autocomplete keywords in Perl code.

=cut

sub tab_handler {
    my $self = shift;
    my ($line) = @_;

    my ($before, $last_word) = $line =~ /(.*?)(\w+)$/;
    return unless $last_word;
    return if $before =~ /^#/; # command
    return if $before =~ /::$/; # Package::function call
    return if $before =~ /->\s*$/; # method call
    return if $before =~ /[\$\@\%\&\*]\s*$/;

    my $re = qr/^\Q$last_word/;

    return grep { $_ =~ $re } @Functions, @Barewords;
}

1;