Oh, awesome, thank you. I hadn't looked on CPAN directly yet and general searches apparently weren't coming up with relevant CPAN results. CljPerl[1] is right along the lines of the sort of project I was thinking of doing.
I didn't specify, but I'm actually thinking of target Perl 6, so this is a great sort of halfway point where clearly other people have found it a worthwhile idea but not done exactly what I was thinking. Plus, P6 slangs could make it nice and easy to interleave regular Perl 6 and Perl 5 code with whatever monstrosity I come up with. I guess I have some decisions to make. Thanks again!