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| ;;;; Copyright (C) 1999, 2000, 2005, 2006 Free Software Foundation, Inc. | |
| ;;;; | |
| ;;;; This program is free software; you can redistribute it and/or modify | |
| ;;;; it under the terms of the GNU General Public License as published by | |
| ;;;; the Free Software Foundation; either version 2, or (at your option) | |
| ;;;; any later version. | |
| ;;;; | |
| ;;;; This program 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 General Public License for more details. | |
| ;;;; | |
| ;;;; You should have received a copy of the GNU General Public License | |
| ;;;; along with this software; see the file COPYING. 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 define-class-with-accessors | |
| (procedure->memoizing-macro | |
| (lambda (exp env) | |
| (let ((name (cadr exp)) | |
| (supers (caddr exp)) | |
| (slots (cdddr exp)) | |
| (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 define-class-with-accessors-keywords | |
| (procedure->memoizing-macro | |
| (lambda (exp env) | |
| (let ((name (cadr exp)) | |
| (supers (caddr exp)) | |
| (slots (cdddr exp)) | |
| (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)))))) | |