On Wednesday 11 August 2010 00:45:44 Eric Niebler wrote:
On 8/10/2010 3:52
PM, Thomas Heller wrote:
On Tue, Aug 10, 2010 at 8:56 PM, Eric Niebler
wrote:
Good. Now if you are saying that Proto's existing transforms
are
too low-level and that things like pre- and post-order traversals
On 11/08/10 17:52, Eric Niebler wrote:
I don't exactly recall the details of Joel's technique. My experiments
to separate transforms from grammars were largely unsuccessful because
control flow often need pattern matching. I'd like to see alternate designs.
Mine was just a post-order
This is kind of like Proto's evaluation contexts, IIUC. I'm not wild for
them because often just the tag isn't enough information to find the
right handler. But maybe it covers enough use cases and can be made
easier to use. Right now, proto has an eval function that takes an
expression and
