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Re: Opaque syntax objects

This page is part of the web mail archives of SRFI 72 from before July 7th, 2015. The new archives for SRFI 72 contain all messages, not just those from before July 7th, 2015.

On Sun, 14 Aug 2005, Michael Sperber wrote:

I'm not sure I understand: Last I looked, the psyntax implementation
had no source-location tracking at all.  Also, I don't think Chez's
implementation tracks the location of compound expressions.  How does
this allow you inferences about the complexity of implementing it?

The latest version does have it, in the sense that it is written to handle and propagate annotations correctly provided a couple of hooks are supplied.