Added define-enum-constants macro.

(And cleaned up all the enum constants in the OS-dependent subdirs)
This commit is contained in:
shivers 1996-09-12 03:33:32 +00:00
parent 70a1342cef
commit e84440fecd
1 changed files with 13 additions and 1 deletions

View File

@ -7,10 +7,22 @@
;;; The question: is / the best separator? Alternates: $ . |
;;; (define-enum-constant fruit apple 1) =>
;;; (define fruit/apple 1)
(define-syntax define-enum-constant
(lambda (form rename compare)
(let ((%define (rename 'define))
(var (string->symbol (string-append (cadr form) "/"
(var (string->symbol (string-append (symbol->string (cadr form)) "/"
(symbol->string (caddr form)))))
(value (cadddr form)))
`(,%define ,var ,value))))
;;; (define-enum-constants fruit (apple 1) (orange 2))
;;; => (begin (define-enum-constant fruit apple 1)
;;; (define-enum-constant fruit orange 2))
(define-syntax define-enum-constants
(syntax-rules ()
((define-enum-constants set (elt val) ...)
(begin (define-enum-constant set elt val) ...))))