File: schemetoc-define-syntax.scm

package info (click to toggle)
scheme48 1.8%2Bdfsg-1
  • links: PTS, VCS
  • area: main
  • in suites: squeeze
  • size: 14,980 kB
  • ctags: 14,127
  • sloc: lisp: 76,272; ansic: 71,514; sh: 3,026; makefile: 637
file content (13 lines) | stat: -rw-r--r-- 361 bytes parent folder | download | duplicates (4)
1
2
3
4
5
6
7
8
9
10
11
12
13
; Copyright (c) 1993-2008 by Richard Kelsey and Jonathan Rees. See file COPYING.

(define-macro define-syntax
  (lambda (form expander)
    (expander `(define-macro ,(cadr form)
		 (let ((transformer ,(caddr form)))
		   (lambda (form expander)
		     (expander (transformer form
					    (lambda (x) x)
					    eq?)
			       expander))))
	      expander)))