org.armedbear.lisp.apropos.lisp Maven / Gradle / Ivy
;;; apropos.lisp
;;;
;;; Copyright (C) 2003-2005 Peter Graves
;;; $Id$
;;;
;;; This program is free software; you can redistribute it and/or
;;; modify it under the terms of the GNU General Public License
;;; as published by the Free Software Foundation; either version 2
;;; of the License, or (at your option) any later version.
;;;
;;; This program is distributed in the hope that it will be useful,
;;; but WITHOUT ANY WARRANTY; without even the implied warranty of
;;; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
;;; GNU General Public License for more details.
;;;
;;; You should have received a copy of the GNU General Public License
;;; along with this program; if not, write to the Free Software
;;; Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
;;;
;;; As a special exception, the copyright holders of this library give you
;;; permission to link this library with independent modules to produce an
;;; executable, regardless of the license terms of these independent
;;; modules, and to copy and distribute the resulting executable under
;;; terms of your choice, provided that you also meet, for each linked
;;; independent module, the terms and conditions of the license of that
;;; module. An independent module is a module which is not derived from
;;; or based on this library. If you modify this library, you may extend
;;; this exception to your version of the library, but you are not
;;; obligated to do so. If you do not wish to do so, delete this
;;; exception statement from your version.
;;; Adapted from SBCL.
(in-package #:system)
(defun apropos-list (string-designator &optional package-designator
external-only)
(if package-designator
(let ((package (find-package package-designator))
(string (string string-designator))
(result nil))
(dolist (symbol (package-external-symbols package))
(declare (type symbol symbol))
(when (search string (symbol-name symbol) :test #'char-equal)
(push symbol result)))
(unless external-only
(dolist (symbol (package-internal-symbols package))
(declare (type symbol symbol))
(when (search string (symbol-name symbol) :test #'char-equal)
(push symbol result))))
result)
(mapcan (lambda (package)
(apropos-list string-designator package external-only))
(list-all-packages))))
(defun apropos (string-designator &optional package-designator external-only)
(dolist (symbol (remove-duplicates (apropos-list string-designator
package-designator
external-only)))
(fresh-line)
(prin1 symbol)
(when (boundp symbol)
(write-string " (bound)"))
(when (fboundp symbol)
(write-string " (fbound)")))
(values))