(Ola|Bom dia) salva!

very, very interesting! 8 )

But as far as I understand, you want to hook into the compilation process. Right?

I was thinking of modifying the optree *after* compilation, isn't it to complex *during* compilation?

I think, one can already implement this using B::Generate ... but I'm just a beginner with opcodes, and have no overview about the implementation details