Spaces:
Sleeping
Sleeping
| ;;;; Copyright (C) 1999, 2000, 2005, 2006 Free Software Foundation, Inc. | |
| ;;;; | |
| ;;;; This library is free software; you can redistribute it and/or | |
| ;;;; modify it under the terms of the GNU Lesser General Public | |
| ;;;; License as published by the Free Software Foundation; either | |
| ;;;; version 3 of the License, or (at your option) any later version. | |
| ;;;; | |
| ;;;; This library is distributed in the hope that it will be useful, | |
| ;;;; but WITHOUT ANY WARRANTY; without even the implied warranty of | |
| ;;;; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU | |
| ;;;; Lesser General Public License for more details. | |
| ;;;; | |
| ;;;; You should have received a copy of the GNU Lesser General Public | |
| ;;;; License along with this library; if not, write to the Free Software | |
| ;;;; Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA | |
| ;;;; | |
| (define-module (oop goops accessors) | |
| :use-module (oop goops) | |
| :re-export (standard-define-class) | |
| :export (define-class-with-accessors | |
| define-class-with-accessors-keywords)) | |
| (define-macro (define-class-with-accessors name supers . slots) | |
| (let ((eat? #f)) | |
| `(standard-define-class | |
| ,name ,supers | |
| ,@(map-in-order | |
| (lambda (slot) | |
| (cond (eat? | |
| (set! eat? #f) | |
| slot) | |
| ((keyword? slot) | |
| (set! eat? #t) | |
| slot) | |
| ((pair? slot) | |
| (if (get-keyword #:accessor (cdr slot) #f) | |
| slot | |
| (let ((name (car slot))) | |
| `(,name #:accessor ,name ,@(cdr slot))))) | |
| (else | |
| `(,slot #:accessor ,slot)))) | |
| slots)))) | |
| (define-macro (define-class-with-accessors-keywords name supers . slots) | |
| (let ((eat? #f)) | |
| `(standard-define-class | |
| ,name ,supers | |
| ,@(map-in-order | |
| (lambda (slot) | |
| (cond (eat? | |
| (set! eat? #f) | |
| slot) | |
| ((keyword? slot) | |
| (set! eat? #t) | |
| slot) | |
| ((pair? slot) | |
| (let ((slot | |
| (if (get-keyword #:accessor (cdr slot) #f) | |
| slot | |
| (let ((name (car slot))) | |
| `(,name #:accessor ,name ,@(cdr slot)))))) | |
| (if (get-keyword #:init-keyword (cdr slot) #f) | |
| slot | |
| (let* ((name (car slot)) | |
| (keyword (symbol->keyword name))) | |
| `(,name #:init-keyword ,keyword ,@(cdr slot)))))) | |
| (else | |
| `(,slot #:accessor ,slot | |
| #:init-keyword ,(symbol->keyword slot))))) | |
| slots)))) | |