On 15.03.2006, at 09:08, Raphael Collet wrote:
We want to be able to extend Oz with something that still looks like
Oz. We want something like
unless X<Y do {Show X} {Show Y} end
instead of
<<unless X<Y {Show X} {Show Y}>>
I just try to understand what a macro facility like this implies. I
understood that this was not officially announced yet. I am just
curious..
In the Lisp community, there was complain that macro calls can not be
distinguished from function calls. Your Oz-macro facility does not even
mark the call explicit -- in contrast to
{F X} or <<f X>>.
Would this syntax turn every atom potentially in a keyword (i.e. the
start of a macro call)?
Would all macros be global, or are they explicitly imported? Say, I am
using some Oz extension from Mogul which defines some macros I am not
aware of.I may happen to use the name of this macro just as a datum.
Does Oz then raise an exception like
"expecting 'end' for macro 'foo'"?
Thanks!
Best,
Torsten
--
Torsten Anders
Sonic Arts Research Centre
Queen's University Belfast (UK)
www.torsten-anders.de
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