source: trunk/abcl/src/org/armedbear/lisp/print-object.lisp @ 12583

Last change on this file since 12583 was 12583, checked in by astalla, 11 years ago

JAVA-CLASS metaclass reimplemented in Lisp.

  • Property svn:eol-style set to native
  • Property svn:keywords set to Id
File size: 4.5 KB
Line 
1;;; print-object.lisp
2;;;
3;;; Copyright (C) 2003-2006 Peter Graves
4;;; $Id: print-object.lisp 12583 2010-04-08 19:44:14Z astalla $
5;;;
6;;; This program is free software; you can redistribute it and/or
7;;; modify it under the terms of the GNU General Public License
8;;; as published by the Free Software Foundation; either version 2
9;;; of the License, or (at your option) any later version.
10;;;
11;;; This program is distributed in the hope that it will be useful,
12;;; but WITHOUT ANY WARRANTY; without even the implied warranty of
13;;; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
14;;; GNU General Public License for more details.
15;;;
16;;; You should have received a copy of the GNU General Public License
17;;; along with this program; if not, write to the Free Software
18;;; Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA  02111-1307, USA.
19;;;
20;;; As a special exception, the copyright holders of this library give you
21;;; permission to link this library with independent modules to produce an
22;;; executable, regardless of the license terms of these independent
23;;; modules, and to copy and distribute the resulting executable under
24;;; terms of your choice, provided that you also meet, for each linked
25;;; independent module, the terms and conditions of the license of that
26;;; module.  An independent module is a module which is not derived from
27;;; or based on this library.  If you modify this library, you may extend
28;;; this exception to your version of the library, but you are not
29;;; obligated to do so.  If you do not wish to do so, delete this
30;;; exception statement from your version.
31
32(in-package #:system)
33
34(require 'clos)
35
36(when (autoloadp 'print-object)
37  (fmakunbound 'print-object))
38
39(defgeneric print-object (object stream))
40
41(defmethod print-object ((object t) stream)
42  (print-unreadable-object (object stream :type t :identity t)))
43
44(defmethod print-object ((object structure-object) stream)
45  (write-string (%write-to-string object) stream))
46
47(defmethod print-object ((object standard-object) stream)
48  (print-unreadable-object (object stream :identity t)
49    (format stream "~S" (class-name (class-of object))))
50  object)
51
52(defmethod print-object ((class class) stream)
53  (print-unreadable-object (class stream :identity t)
54    (format stream "~S ~S"
55            (class-name (class-of class))
56            (class-name class)))
57  class)
58
59(defmethod print-object ((gf standard-generic-function) stream)
60  (print-unreadable-object (gf stream :identity t)
61    (format stream "~S ~S"
62            (class-name (class-of gf))
63            (%generic-function-name gf)))
64  gf)
65
66(defmethod print-object ((method standard-method) stream)
67  (print-unreadable-object (method stream :identity t)
68    (format stream "~S ~S~{ ~S~} ~S"
69            (class-name (class-of method))
70            (%generic-function-name
71             (%method-generic-function method))
72            (method-qualifiers method)
73            (mapcar #'(lambda (c)
74                        (if (typep c 'mop::eql-specializer)
75                            `(eql ,(mop::eql-specializer-object c))
76                          (class-name c)))
77                    (%method-specializers method))))
78  method)
79
80(defmethod print-object ((restart restart) stream)
81  (if *print-escape*
82      (print-unreadable-object (restart stream :type t :identity t)
83        (prin1 (restart-name restart) stream))
84      (restart-report restart stream)))
85
86(defmethod print-object ((c condition) stream)
87  (if *print-escape*
88      (call-next-method)
89      (if (slot-boundp c 'format-control)
90          (apply #'format stream
91                 (simple-condition-format-control c)
92                 (simple-condition-format-arguments c))
93          (call-next-method))))
94
95(defmethod print-object ((c type-error) stream)
96  (if *print-escape*
97      (call-next-method)
98      (if (slot-boundp c 'format-control)
99          (apply 'format stream
100                 (simple-condition-format-control c)
101                 (simple-condition-format-arguments c))
102          (format stream "The value ~S is not of type ~S."
103                  (type-error-datum c)
104                  (type-error-expected-type c)))))
105
106(defmethod print-object ((x undefined-function) stream)
107  (if *print-escape*
108      (call-next-method)
109      (format stream "The function ~S is undefined." (cell-error-name x))))
110
111(defmethod print-object ((x unbound-variable) stream)
112  (if *print-escape*
113      (print-unreadable-object (x stream :identity t)
114        (format stream "~S ~S"
115                (type-of x)
116                (cell-error-name x)))
117      (format stream "The variable ~S is unbound." (cell-error-name x))))
118
119(provide 'print-object)
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