HCoop / bpt / guile.git / blame
| Commit | Line | Data |
|---|---|---|
| f12de0a1 MD |
1 | ;;;; Copyright (C) 1999, 2000, 2005 Free Software Foundation, Inc. |
| 2 | ;;;; | |
| 3 | ;;;; This program is free software; you can redistribute it and/or modify | |
| 4 | ;;;; it under the terms of the GNU General Public License as published by | |
| 5 | ;;;; the Free Software Foundation; either version 2, or (at your option) | |
| 6 | ;;;; any later version. | |
| 7 | ;;;; | |
| 8 | ;;;; This program is distributed in the hope that it will be useful, | |
| 9 | ;;;; but WITHOUT ANY WARRANTY; without even the implied warranty of | |
| 10 | ;;;; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
| 11 | ;;;; GNU General Public License for more details. | |
| 12 | ;;;; | |
| 13 | ;;;; You should have received a copy of the GNU General Public License | |
| 14 | ;;;; along with this software; see the file COPYING. If not, write to | |
| 15 | ;;;; the Free Software Foundation, Inc., 59 Temple Place, Suite 330, | |
| 16 | ;;;; Boston, MA 02111-1307 USA | |
| 17 | ;;;; | |
| 18 | \f | |
| 19 | ||
| 20 | (define-module (oop goops accessors) | |
| 21 | :use-module (oop goops) | |
| 22 | :re-export (standard-define-class) | |
| 23 | :export (define-class-with-accessors | |
| 24 | define-class-with-accessors-keywords)) | |
| 25 | ||
| 26 | (define define-class-with-accessors | |
| 27 | (procedure->memoizing-macro | |
| 28 | (lambda (exp env) | |
| 29 | (let ((name (cadr exp)) | |
| 30 | (supers (caddr exp)) | |
| 31 | (slots (cdddr exp)) | |
| 32 | (eat? #f)) | |
| 33 | `(standard-define-class ,name ,supers | |
| 34 | ,@(map-in-order | |
| 35 | (lambda (slot) | |
| 36 | (cond (eat? | |
| 37 | (set! eat? #f) | |
| 38 | slot) | |
| 39 | ((keyword? slot) | |
| 40 | (set! eat? #t) | |
| 41 | slot) | |
| 42 | ((pair? slot) | |
| 43 | (if (get-keyword #:accessor (cdr slot) #f) | |
| 44 | slot | |
| 45 | (let ((name (car slot))) | |
| 46 | `(,name #:accessor ,name ,@(cdr slot))))) | |
| 47 | (else | |
| 48 | `(,slot #:accessor ,slot)))) | |
| 49 | slots)))))) | |
| 50 | ||
| 51 | (define define-class-with-accessors-keywords | |
| 52 | (procedure->memoizing-macro | |
| 53 | (lambda (exp env) | |
| 54 | (let ((name (cadr exp)) | |
| 55 | (supers (caddr exp)) | |
| 56 | (slots (cdddr exp)) | |
| 57 | (eat? #f)) | |
| 58 | `(standard-define-class ,name ,supers | |
| 59 | ,@(map-in-order | |
| 60 | (lambda (slot) | |
| 61 | (cond (eat? | |
| 62 | (set! eat? #f) | |
| 63 | slot) | |
| 64 | ((keyword? slot) | |
| 65 | (set! eat? #t) | |
| 66 | slot) | |
| 67 | ((pair? slot) | |
| 68 | (let ((slot | |
| 69 | (if (get-keyword #:accessor (cdr slot) #f) | |
| 70 | slot | |
| 71 | (let ((name (car slot))) | |
| 72 | `(,name #:accessor ,name ,@(cdr slot)))))) | |
| 73 | (if (get-keyword #:init-keyword (cdr slot) #f) | |
| 74 | slot | |
| 75 | (let* ((name (car slot)) | |
| 76 | (keyword (symbol->keyword name))) | |
| 77 | `(,name #:init-keyword ,keyword ,@(cdr slot)))))) | |
| 78 | (else | |
| 79 | `(,slot #:accessor ,slot | |
| 80 | #:init-keyword ,(symbol->keyword slot))))) | |
| 81 | slots)))))) |