;;; cust-print.el --- handles print-level and print-circle
-;; Copyright (C) 1992, 2001, 2002, 2003, 2004, 2005,
-;; 2006, 2007 Free Software Foundation, Inc.
+;; Copyright (C) 1992, 2001, 2002, 2003, 2004, 2005, 2006, 2007, 2008,
+;; 2009, 2010, 2011 Free Software Foundation, Inc.
;; Author: Daniel LaLiberte <liberte@holonexus.org>
;; Adapted-By: ESR
;; This file is part of GNU Emacs.
-;; GNU Emacs is free software; you can redistribute it and/or modify
+;; GNU Emacs 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 3, or (at your option)
-;; any later version.
+;; the Free Software Foundation, either version 3 of the License, or
+;; (at your option) any later version.
;; GNU Emacs is distributed in the hope that it will be useful,
;; but WITHOUT ANY WARRANTY; without even the implied warranty of
;; GNU General Public License for more details.
;; You should have received a copy of the GNU General Public License
-;; along with GNU Emacs; see the file COPYING. If not, write to the
-;; Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
-;; Boston, MA 02110-1301, USA.
+;; along with GNU Emacs. If not, see <http://www.gnu.org/licenses/>.
;;; Commentary:
;;This is defined by emacs.")
(defcustom print-level nil
- "*Controls how many levels deep a nested data object will print.
+ "Controls how many levels deep a nested data object will print.
If nil, printing proceeds recursively and may lead to
max-lisp-eval-depth being exceeded or an error may occur:
(defcustom print-circle nil
- "*Controls the printing of recursive structures.
+ "Controls the printing of recursive structures.
If nil, printing proceeds recursively and may lead to
`max-lisp-eval-depth' being exceeded or an error may occur:
(defcustom custom-print-vectors nil
- "*Non-nil if printing of vectors should obey print-level and print-length.
-
-For Emacs 18, setting print-level, or adding custom print list or
-vector handling will make this happen anyway. Emacs 19 obeys
-print-level, but not for vectors."
+ "Non-nil if printing of vectors should obey `print-level' and `print-length'."
:type 'boolean
:group 'cust-print)
;; Save emacs routines.
(if (not (fboundp 'cust-print-original-prin1))
- (mapcar 'cust-print-set-function-cell
- '((cust-print-original-prin1 prin1)
- (cust-print-original-princ princ)
- (cust-print-original-print print)
- (cust-print-original-prin1-to-string prin1-to-string)
- (cust-print-original-format format)
- (cust-print-original-message message)
- (cust-print-original-error error))))
+ (mapc 'cust-print-set-function-cell
+ '((cust-print-original-prin1 prin1)
+ (cust-print-original-princ princ)
+ (cust-print-original-print print)
+ (cust-print-original-prin1-to-string prin1-to-string)
+ (cust-print-original-format format)
+ (cust-print-original-message message)
+ (cust-print-original-error error))))
(defun custom-print-install ()
The Emacs subroutines are saved away, and you can reinstall them
by running `custom-print-uninstall'."
(interactive)
- (mapcar 'cust-print-set-function-cell
- '((prin1 custom-prin1)
- (princ custom-princ)
- (print custom-print)
- (prin1-to-string custom-prin1-to-string)
- (format custom-format)
- (message custom-message)
- (error custom-error)
- ))
+ (mapc 'cust-print-set-function-cell
+ '((prin1 custom-prin1)
+ (princ custom-princ)
+ (print custom-print)
+ (prin1-to-string custom-prin1-to-string)
+ (format custom-format)
+ (message custom-message)
+ (error custom-error)
+ ))
t)
(defun custom-print-uninstall ()
"Reset print functions to their Emacs subroutines."
(interactive)
- (mapcar 'cust-print-set-function-cell
- '((prin1 cust-print-original-prin1)
- (princ cust-print-original-princ)
- (print cust-print-original-print)
- (prin1-to-string cust-print-original-prin1-to-string)
- (format cust-print-original-format)
- (message cust-print-original-message)
- (error cust-print-original-error)
- ))
+ (mapc 'cust-print-set-function-cell
+ '((prin1 cust-print-original-prin1)
+ (princ cust-print-original-princ)
+ (print cust-print-original-print)
+ (prin1-to-string cust-print-original-prin1-to-string)
+ (format cust-print-original-format)
+ (message cust-print-original-message)
+ (error cust-print-original-error)
+ ))
t)
(defalias 'custom-print-funcs-installed-p 'custom-print-installed-p)
(let ((buf (get-buffer-create " *custom-print-temp*")))
;; We must erase the buffer before printing in case an error
;; occurred during the last prin1-to-string and we are in debugger.
- (save-excursion
- (set-buffer buf)
+ (with-current-buffer buf
(erase-buffer))
;; We must be in the current-buffer when the print occurs.
(if noescape
(custom-princ object buf)
(custom-prin1 object buf))
- (save-excursion
- (set-buffer buf)
+ (with-current-buffer buf
(buffer-string)
;; We could erase the buffer again, but why bother?
)))
(provide 'cust-print)
-;;; arch-tag: 3a5a8650-622c-48c4-87d8-e01bf72ec580
+;; arch-tag: 3a5a8650-622c-48c4-87d8-e01bf72ec580
;;; cust-print.el ends here
HCoop / bpt / emacs.git / blobdiff