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71d540f7 MD |
1 | ;;; installed-scm-file |
2 | ||
3 | ;;;; Copyright (C) 2001 Free Software Foundation, Inc. | |
4 | ;;;; | |
73be1d9e MV |
5 | ;;;; This library is free software; you can redistribute it and/or |
6 | ;;;; modify it under the terms of the GNU Lesser General Public | |
7 | ;;;; License as published by the Free Software Foundation; either | |
8 | ;;;; version 2.1 of the License, or (at your option) any later version. | |
71d540f7 | 9 | ;;;; |
73be1d9e | 10 | ;;;; This library is distributed in the hope that it will be useful, |
71d540f7 | 11 | ;;;; but WITHOUT ANY WARRANTY; without even the implied warranty of |
73be1d9e MV |
12 | ;;;; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU |
13 | ;;;; Lesser General Public License for more details. | |
71d540f7 | 14 | ;;;; |
73be1d9e MV |
15 | ;;;; You should have received a copy of the GNU Lesser General Public |
16 | ;;;; License along with this library; if not, write to the Free Software | |
92205699 | 17 | ;;;; Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA |
71d540f7 MD |
18 | ;;;; |
19 | \f | |
20 | ||
21 | (define-module (oop goops old-define-method) | |
22 | :use-module (oop goops) | |
1a179b03 | 23 | :export (define-method) |
71d540f7 MD |
24 | :no-backtrace |
25 | ) | |
26 | ||
71d540f7 MD |
27 | (define define-method |
28 | (procedure->memoizing-macro | |
29 | (lambda (exp env) | |
30 | (let ((name (cadr exp))) | |
31 | (if (and (pair? name) | |
32 | (eq? (car name) 'setter) | |
33 | (pair? (cdr name)) | |
34 | (symbol? (cadr name)) | |
35 | (null? (cddr name))) | |
36 | (let ((name (cadr name))) | |
37 | (cond ((not (symbol? name)) | |
38 | (goops-error "bad method name: ~S" name)) | |
39 | ((defined? name env) | |
40 | `(begin | |
41 | ;; *fixme* Temporary hack for the current module system | |
42 | (if (not ,name) | |
43 | (define-accessor ,name)) | |
44 | (add-method! (setter ,name) (method ,@(cddr exp))))) | |
45 | (else | |
46 | `(begin | |
47 | (define-accessor ,name) | |
48 | (add-method! (setter ,name) (method ,@(cddr exp))))))) | |
49 | (cond ((not (symbol? name)) | |
50 | (goops-error "bad method name: ~S" name)) | |
51 | ((defined? name env) | |
52 | `(begin | |
53 | ;; *fixme* Temporary hack for the current module system | |
54 | (if (not ,name) | |
55 | (define-generic ,name)) | |
56 | (add-method! ,name (method ,@(cddr exp))))) | |
57 | (else | |
58 | `(begin | |
59 | (define-generic ,name) | |
60 | (add-method! ,name (method ,@(cddr exp))))))))))) |