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package main;
use strict;
use warnings;
# ABSTRACT: tab completion for lexical variables
use mop;
use Reply::Util qw($varname_rx);
=head1 SYNOPSIS
; .replyrc
[ReadLine]
[Autocomplete::Lexicals]
=head1 DESCRIPTION
This plugin registers a tab key handler to autocomplete lexical variables in
Perl code.
=cut
class Reply::Plugin::Autocomplete::Lexicals extends Reply::Plugin {
method tab_handler ($line) {
my ($var) = $line =~ /($varname_rx)$/;
return unless $var;
my ($sigil, $name_prefix) = $var =~ /(.)(.*)/;
# these can't be lexicals
return if $sigil eq '&' || $sigil eq '*';
my $env = { map { %$_ } $self->publish('lexical_environment') };
my @env = keys %$env;
my @results;
for my $env_var (@env) {
my ($env_sigil, $env_name) = $env_var =~ /(.)(.*)/;
next unless index($env_name, $name_prefix) == 0;
# this is weird, not sure why % gets stripped but not $ or @
if ($sigil eq $env_sigil) {
push @results, $sigil eq '%' ? $env_var : $env_name;
}
elsif ($env_sigil eq '@' && $sigil eq '$') {
push @results, "$env_name\[";
}
elsif ($env_sigil eq '%') {
push @results, "$env_name\{";
}
}
return @results;
}
}
1;
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