source: trunk/j/src/org/armedbear/lisp/apropos.lisp @ 9240

Last change on this file since 9240 was 9240, checked in by piso, 16 years ago

Added a couple of declarations.

File size: 1.9 KB
Line 
1;;; apropos.lisp
2;;;
3;;; Copyright (C) 2003-2005 Peter Graves
4;;; $Id: apropos.lisp,v 1.3 2005-05-24 18:45:24 piso Exp $
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;;; Adapted from SBCL.
21
22(in-package #:system)
23
24(resolve 'write-string)
25
26(defun apropos-list (string-designator &optional package-designator)
27  (if package-designator
28      (let ((package (find-package package-designator))
29            (string (string string-designator))
30            (result nil))
31        (dolist (symbol (package-external-symbols package))
32          (declare (type symbol symbol))
33          (when (search string (symbol-name symbol) :test #'char-equal)
34            (push symbol result)))
35        (dolist (symbol (package-internal-symbols package))
36          (declare (type symbol symbol))
37          (when (search string (symbol-name symbol) :test #'char-equal)
38            (push symbol result)))
39        result)
40      (mapcan (lambda (package)
41    (apropos-list string-designator package))
42        (list-all-packages))))
43
44(defun apropos (string-designator &optional package-designator)
45  (dolist (symbol (apropos-list string-designator package-designator))
46    (fresh-line)
47    (prin1 symbol)
48    (when (boundp symbol)
49      (write-string " (bound)"))
50    (when (fboundp symbol)
51      (write-string " (fbound)")))
52    (values))
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