source: trunk/abcl/src/org/armedbear/lisp/apropos.lisp

Last change on this file was 14860, checked in by Mark Evenson, 5 years ago

[PATCH 2/5] Add EXTERNAL-ONLY option to APROPOS.
From ece4a944b77d91f657622adbef9d62cfbfb365b1 Mon Sep 17 00:00:00 2001
---

src/org/armedbear/lisp/apropos.lisp | 19 +++++++++++--------
1 file changed, 11 insertions(+), 8 deletions(-)

  • Property svn:eol-style set to native
  • Property svn:keywords set to Id
File size: 2.9 KB
Line 
1;;; apropos.lisp
2;;;
3;;; Copyright (C) 2003-2005 Peter Graves
4;;; $Id: apropos.lisp 14860 2016-09-04 07:01:07Z mevenson $
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;;; Adapted from SBCL.
33
34(in-package #:system)
35
36
37(defun apropos-list (string-designator &optional package-designator
38                                                 external-only)
39  (if package-designator
40      (let ((package (find-package package-designator))
41            (string (string string-designator))
42            (result nil))
43        (dolist (symbol (package-external-symbols package))
44          (declare (type symbol symbol))
45          (when (search string (symbol-name symbol) :test #'char-equal)
46            (push symbol result)))
47        (unless external-only
48          (dolist (symbol (package-internal-symbols package))
49            (declare (type symbol symbol))
50            (when (search string (symbol-name symbol) :test #'char-equal)
51              (push symbol result))))
52        result)
53      (mapcan (lambda (package)
54                (apropos-list string-designator package external-only))
55              (list-all-packages))))
56
57(defun apropos (string-designator &optional package-designator external-only)
58  (dolist (symbol (remove-duplicates (apropos-list string-designator
59                                                   package-designator
60                                                   external-only)))
61    (fresh-line)
62    (prin1 symbol)
63    (when (boundp symbol)
64      (write-string " (bound)"))
65    (when (fboundp symbol)
66      (write-string " (fbound)")))
67    (values))
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