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package Devel::REPL::Plugin::CompletionDriver::LexEnv;
use Devel::REPL::Plugin;
use namespace::clean -except => [ 'meta' ];
sub AFTER_PLUGIN {
my ($_REPL) = @_;
if (!$_REPL->can('lexical_environment')) {
warn "Devel::REPL::Plugin::CompletionDriver::LexEnv requires Devel::REPL::Plugin::LexEnv.";
}
}
around complete => sub {
my $orig = shift;
my ($self, $text, $document) = @_;
# recursively find the last element
my $last = $document;
while ($last->can('last_element') && defined($last->last_element)) {
$last = $last->last_element;
}
return $orig->(@_)
unless $last->isa('PPI::Token::Symbol');
my $sigil = substr($last, 0, 1, '');
my $re = qr/^\Q$last/;
return $orig->(@_),
# ReadLine is weirdly inconsistent
map { $sigil eq '%' ? '%' . $_ : $_ }
grep { /$re/ }
map { substr($_, 1) } # drop lexical's sigil
keys %{$self->lexical_environment->get_context('_')};
};
1;
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