1 files changed, 40 insertions, 0 deletions
diff --git a/lib/Reply/Plugin/Autocomplete.pm b/lib/Reply/Plugin/Autocomplete.pm
new file mode 100644
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+++ b/lib/Reply/Plugin/Autocomplete.pm
@@ -0,0 +1,40 @@
+package Reply::Plugin::Autocomplete;
+use strict;
+use warnings;
+# ABSTRACT: tab complete your input
+
+use base 'Reply::Plugin';
+
+use B::Keywords qw/@Functions @Barewords/;
+
+=head1 SYNOPSIS
+
+  ; .replyrc
+  [Autocomplete]
+
+=head1 DESCRIPTION
+
+This plugin registers a tab key handler to autocomplete Perl code.
+
+=cut
+
+sub tab_handler {
+    my ($self, $line) = @_;
+
+    return (
+        $self->_tab_keyword($line),
+    );
+}
+
+sub _tab_keyword {
+    my ($self, $line) = @_;
+
+    my ($last_word) = $line =~ /(\w+)$/;
+    return unless $last_word;
+
+    my $re = qr/^\Q$last_word/;
+
+    return grep { $_ =~ $re } @Functions, @Barewords;
+}
+
+1;