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package Reply::Plugin::Autocomplete::Methods;
use strict;
use warnings;
# ABSTRACT: tab completion for methods
use base 'Reply::Plugin';
use MRO::Compat;
use Package::Stash;
use Scalar::Util 'blessed';
use Reply::Util qw($ident_rx $fq_ident_rx $fq_varname_rx);
=head1 SYNOPSIS
; .replyrc
[ReadLine]
[Autocomplete::Methods]
=head1 DESCRIPTION
This plugin registers a tab key handler to autocomplete method names in Perl
code.
=cut
sub new {
my $class = shift;
my $self = $class->SUPER::new(@_);
$self->{env} = [];
$self->{package} = 'main';
return $self;
}
sub lexical_environment {
my $self = shift;
my ($env) = @_;
push @{ $self->{env} }, $env;
}
sub package {
my $self = shift;
my ($package) = @_;
$self->{package} = $package;
}
sub tab_handler {
my $self = shift;
my ($line) = @_;
my ($invocant, $method) = $line =~ /($fq_varname_rx|$fq_ident_rx)->($ident_rx)?$/;
return unless $invocant;
# XXX unicode
return unless $invocant =~ /^[\$A-Z_a-z]/;
$method = '' unless defined $method;
my $class;
if ($invocant =~ /^\$/) {
# XXX should support globals here
my $env = {
map { %$_ } @{ $self->{env} },
};
my $var = $env->{$invocant};
return unless $var && ref($var) eq 'REF' && blessed($$var);
$class = blessed($$var);
}
else {
$class = $invocant;
}
my @mro = (
@{ mro::get_linear_isa('UNIVERSAL') },
@{ mro::get_linear_isa($class) },
);
my @results;
for my $package (@mro) {
my $stash = eval { Package::Stash->new($package) };
next unless $stash;
for my $stash_method ($stash->list_all_symbols('CODE')) {
next unless index($stash_method, $method) == 0;
push @results, $stash_method;
}
}
return sort @results;
}
1;
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