default => sub { 0 },
);
-sub BEFORE_PLUGIN {
+has no_term_class_warning => (
+ isa => "Bool",
+ is => "rw",
+ default => 0,
+);
+
+before 'read' => sub {
my ($self) = @_;
+ if (!$self->term->isa("Term::ReadLine::Gnu") and !$self->no_term_class_warning) {
+ warn "Term::ReadLine::Gnu is required for the Completion plugin to work";
+ $self->no_term_class_warning(1);
+ }
+
my $weakself = $self;
weaken($weakself);
$self->term->Attribs->{attempted_completion_function} = sub {
$weakself->_completion(@_);
};
-}
+};
sub _completion {
my ($self, $text, $line, $start, $end) = @_;
return ();
}
+# recursively find the last element
+sub last_ppi_element {
+ my ($self, $document, $type) = @_;
+ my $last = $document;
+ while ($last->can('last_element') && defined($last->last_element)) {
+ $last = $last->last_element;
+ return $last if $type && $last->isa($type);
+ }
+ return $last;
+}
+
1;
+__END__
+
+=head1 NAME
+
+Devel::REPL::Plugin::Completion - Extensible tab completion
+
+=head1 AUTHOR
+
+Shawn M Moore, C<< <sartak at gmail dot com> >>
+
+=cut
+