scsh-0.6/ps-compiler/prescheme/test/eval2.scm

13 lines
291 B
Scheme

; Copyright (c) 1994 by Richard Kelsey. See file COPYING.
(define-local-syntax (define-primitive id nargs)
(let ((args (reverse (list-tail '(z y x) (- '3 nargs)))))
`(define (,id . ,args)
(call-primitively ,id . ,args))))
(define-primitive ashr 2)
(define high-bits ashr)