28 lines
820 B
Scheme
28 lines
820 B
Scheme
; -*- Mode: Scheme; Syntax: Scheme; Package: Scheme; -*-
|
|
; Copyright (c) 1993, 1994 Richard Kelsey and Jonathan Rees. See file COPYING.
|
|
|
|
; Somewhat redundant with vm/istruct.scm. Fix this some day.
|
|
|
|
; Templates
|
|
; Templates are made only by the compiler.
|
|
|
|
;(define make-template make-vector)
|
|
|
|
;(define (template? obj)
|
|
; (and (vector? obj)
|
|
; (>= (vector-length obj) template-overhead)
|
|
; (code-vector? (template-code obj))
|
|
; ))
|
|
|
|
;(define template-length vector-length)
|
|
;(define template-ref vector-ref)
|
|
;(define template-set! vector-set!)
|
|
|
|
(define template-overhead 2)
|
|
|
|
(define (template-code tem) (template-ref tem 0))
|
|
(define (template-info tem) (template-ref tem 1))
|
|
(define (set-template-code! tem cv) (template-set! tem 0 cv))
|
|
(define (set-template-info! tem info) (template-set! tem 1 info))
|
|
|