Slice to schema translator

Does anyone have a tool for translating Slice to a schema? An Antlr grammer would be a great start.

Could a schema be translated to Slice? Has anyone done this?

We used to have a slice to xsd translator in the Ice for C++ distribution. However, we removed it as the project that it was used for was scrapped. If you look at some of the ancient Ice distributions you should be able to dig it up