[Haskell-cafe] Generating tagfiles for Vim

Hi all, I had been using hasktags for tag generation previously, however, I recently discovered that using GHCi with cabal new-repl λ:> :ctags creates a tags file that actually works with preprocessors (e.g. c2hs or alex or happy). Is there any way to run this semi-automatically? echo ':ctags' | cabal new-repl seems to work in the shell, but I'd like a vim integration if possible (also, it's slow). Cheers, Vanessa McHale