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cleanups to debug-print, try harder to make it work during GC -------------------- ChangeLog entries follow: -------------------- src/ChangeLog addition: 2010-02-08 Ben Wing <ben@xemacs.org> * emacs.c: * emacs.c (assert_failed): Fix comments about when inhibit_non_essential_printing_operations is set and how used. Increment/decrement in assert_failed rather than just setting/resetting to avoid hosing things in case we're called when the value is already non-zero. Similarly increment/ decrement in_assert_failed. * gc.c (gc_prepare): * gc.c (gc_finish): Increment/decrement inhibit_non_essential_printing_operations rather than setting/resetting. * print.c: * print.c (debug_out): * print.c (write_string_to_alternate_debugging_output): * print.c (restore_inhibit_non_essential_conversion_operations): * print.c (debug_print_exit): * print.c (debug_print_enter): * print.c (debug_prin1): * print.c (debug_p4): * print.c (ext_print_begin): * print.c (ext_print_end): * print.c (external_debug_print): * print.c (debug_p3): * print.c (debug_backtrace): * print.c (debug_short_backtrace): * print.c (vars_of_print): Lots of cleanup. Fix debug_out() so it binds inhibit_non_essential_printing_operations around it to ensure no conversion. Remove many other places that set the same var since the lower-level functions now all do it. A few other places, add inhibit_non_essential_printing_operations bindings.Extract the code out that sets up and resets lots of bindings in debug_prin1() so that debug_backtrace() can use it, and rewrite it to use the new STORE_VOID_IN_LISP() rather than having to have a single static opaque structure holding all the bindings (and not handling reentrancy). Fix raw `char' to be `CIbyte' in the declaration of `alternate_do_string'. * signal.c (check_what_happened): Fix bug: Don't try to check for QUIT when inhibit_non_essential_printing_operations or we may screw things up if QUIT happens during debug printing.
author Ben Wing <ben@xemacs.org>
date Mon, 08 Feb 2010 07:00:24 -0600
parents e34711681f30
children 308d34e9f07d
line wrap: on
line source

;;; msw-init.el --- initialization code for mswindows
;; Copyright (C) 1990, 1993, 1994 Free Software Foundation, Inc.
;; Copyright (C) 1995 Board of Trustees, University of Illinois.
;; Copyright (C) 1995, 1996 Ben Wing.

;; Author: various
;; Rewritten for mswindows by: Jonathan Harris

;; This file is part of XEmacs.

;; XEmacs 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, or (at your option)
;; any later version.

;; XEmacs 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 XEmacs; see the file COPYING.  If not, write to the
;; Free Software Foundation, 59 Temple Place - Suite 330,
;; Boston, MA 02111-1307, USA.

(defvar make-device-early-mswindows-entry-point-called-p nil
  "Whether `make-device-early-mswindows-entry-point' has been called")

(defvar make-device-late-mswindows-entry-point-called-p nil
  "Whether `make-device-late-mswindows-entry-point' has been called")

(defun make-device-early-mswindows-entry-point ()
  "Lisp code called before an `mswindows' device is created." 
  (unless make-device-early-mswindows-entry-point-called-p
    ;; Old-style mswindows bindings. The new-style mswindows bindings
    ;; (namely Ctrl-X, Ctrl-C and Ctrl-V) are already spoken for by XEmacs.
    (global-set-key '(shift delete)   'kill-primary-selection)
    (global-set-key '(shift insert)   'yank-clipboard-selection)
    (global-set-key '(control insert) 'copy-primary-selection)

    (global-set-key '(meta f4)	      'save-buffers-kill-emacs)
    (setq make-device-early-mswindows-entry-point-called-p t)))

(defun make-device-late-mswindows-entry-point (device)
  "Lisp code called after an `mswindows' device is created."
  (unless make-device-late-mswindows-entry-point-called-p
    (setq make-device-late-mswindows-entry-point-called-p t)))