There may well be an appropriate answer to your question, and I hope so, but due to the notorious fact nothing but perl can parse Perl, it may be difficult.

I'm bothered too that my own editor, JED, which generally does a very good job of indenting the code for me as I type it, occasionally doesn't -- for example by not telling correctly anonymous hashrefs from code blocks (but then even perl itself needs some help sometimes in this regards).