On Mon, May 13, 2019 at 07:11:40PM +0100, Martin Ward wrote: > Chicken scheme does not appear to have defmacro or define-macro > but does have define-syntax. > > Is there a way to define defmacro using define-syntax?
This is of course highly discouraged (because defmacro is
inherently unhygienic), but you can do:
(import (chicken syntax))
(define-syntax defmacro
(syntax-rules ()
((_ ?name ?args ?body ...)
(define-syntax ?name
(er-macro-transformer
(lambda (e r c)
(apply (lambda ?args ?body ...) (cdr e))))))))
Cheers,
Peter
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