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Re: difficulty of writing translators


Jim Blandy <jimb@red-bean.com> writes:

> Someone needs to think about this carefully, and see how easily we
> can mix Tcl's semantics with Scheme's semantics.  I expect there are
> many strategies; whoever decides to start coding gets to make the
> decisions.

This has already been done once, with Rush.  (Rush translated to a
modified scheme, in order to accommodate variable tracing, which is
important in Tcl.)  I don't think that Rush was ever released, but the
Tcl FAQs have references to papers on it, which describe the
strategies they used.