use v5.10;
use strict;
use warnings;

{
	package SubLister;
	use Class::Inspector;
	sub list_subs {
		my $number = int rand 999_999_999;
		our @SUBS = ();
		eval qq{
				package Random$number;
			}.shift.q{
			BEGIN {
				@SubLister::SUBS = @{Class::Inspector->functions(__PACKAGE__)};
				die;
			}
		};
		return @SUBS;
	}
}

my $source_code = <<'SRC';
sub foo { 1 }
sub bar { 2 }
sub baz { 3 }
CORE::say("We don't want to execute this!");
SRC

say("Got: $_") for SubLister::list_subs($source_code);