package Devel::REPL::Plugin::CompletionDriver::Methods;
use Devel::REPL::Plugin;
use namespace::clean -except => [ 'meta' ];
sub BEFORE_PLUGIN {
my $self = shift;
for (qw/Completion FindVariable/) {
$self->load_plugin($_);
}
}
around complete => sub {
my $orig = shift;
my ($self, $text, $document) = @_;
my $last = $self->last_ppi_element($document);
my $incomplete = '';
# handle an incomplete method name, and back up to the ->
if ($last->isa('PPI::Token::Word')) {
my $previous = $last->sprevious_sibling
or return $orig->(@_);
$previous->isa('PPI::Token::Operator') && $previous->content eq '->'
or return $orig->(@_);
$incomplete = $last->content;
$last = $previous;
}
# require a -> here
return $orig->(@_)
unless $last->isa('PPI::Token::Operator')
&& $last->content eq '->';
# ..which is preceded by a word (class name)
my $previous = $last->sprevious_sibling
or return $orig->(@_);
$previous->isa('PPI::Token::Word') || $previous->isa('PPI::Token::Symbol')
or return $orig->(@_);
my $class;
# we have a variable, need to look up its class
if ($previous->isa('PPI::Token::Symbol')) {
my $object_ref = $self->find_variable($previous->content)
or return $orig->(@_);
$class = blessed($$object_ref)
or return $orig->(@_);
}
else {
$class = $previous->content;
}
# now we have $class->$incomplete
my $metaclass = Class::MOP::Class->initialize($class);
my $re = qr/^\Q$incomplete/;
return $orig->(@_),
grep { $_ =~ $re }
map { $_->name }
$metaclass->get_all_methods;
};
1;
__END__
=head1 NAME
Devel::REPL::Plugin::CompletionDriver::Methods - Complete class or object method names
=head1 AUTHOR
Shawn M Moore, C<< <sartak at gmail dot com> >>
=cut