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-rw-r--r--lisp/emacs-lisp/autoload.el290
-rw-r--r--lisp/emacs-lisp/debug.el347
2 files changed, 637 insertions, 0 deletions
diff --git a/lisp/emacs-lisp/autoload.el b/lisp/emacs-lisp/autoload.el
new file mode 100644
index 00000000000..0a7c9dc74c7
--- /dev/null
+++ b/lisp/emacs-lisp/autoload.el
@@ -0,0 +1,290 @@
+;;; Maintain autoloads in loaddefs.el.
+;;; Copyright (C) 1991 Free Software Foundation, Inc.
+;;; Written by Roland McGrath.
+;;;
+;;; 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 1, 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.
+;;;
+;;; A copy of the GNU General Public License can be obtained from this
+;;; program's author (send electronic mail to roland@ai.mit.edu) or from
+;;; the Free Software Foundation, Inc., 675 Mass Ave, Cambridge, MA
+;;; 02139, USA.
+;;;
+
+(defun make-autoload (form file)
+ "Turn FORM, a defun or defmacro, into an autoload for source file FILE.
+Returns nil if FORM is not a defun or defmacro."
+ (let ((car (car-safe form)))
+ (if (or (eq car 'defun) (eq car 'defmacro))
+ (let (name doc macrop)
+ (setq macrop (eq car 'defmacro))
+ (setq form (cdr form))
+ (setq name (car form))
+ ;; Ignore the arguments.
+ (setq form (cdr (cdr form)))
+ (setq doc (car form))
+ (if (stringp doc)
+ (setq form (cdr form))
+ (setq doc nil))
+ (list 'autoload (list 'quote name) file doc
+ (eq (car-safe (car form)) 'interactive) macrop))
+ nil)))
+
+(defconst generate-autoload-cookie ";;;###autoload"
+ "Magic comment that tells \\[update-file-autoloads]
+to make the following form into an autoload. This string should be
+meaningless to Lisp (e.g., a comment).
+
+This string is used:
+
+;;;###autoload
+\(defun function-to-be-autoloaded () ...)
+
+If this string appears alone on a line, the following form will be
+read and an autoload made for it. If there is further text on the line,
+that text will be copied verbatim to `generated-autoload-file'.")
+
+(defconst generate-autoload-section-header "\f\n;;;### "
+ "String inserted before the form identifying
+the section of autoloads for a file.")
+
+(defconst generate-autoload-section-trailer "\n;;;***\n"
+ "String which indicates the end of the section of autoloads for a file.")
+
+;; Forms which have doc-strings which should be printed specially.
+;; A doc-string-elt property of ELT says that (nth ELT FORM) is
+;; the doc-string in FORM.
+;; Note: defconst and defvar should NOT be marked in this way.
+;; We don't want to produce defconsts and defvars that make-docfile can
+;; grok, because then it would grok them twice, once in foo.el (where they
+;; are given with ;;;###autoload) and once in loaddefs.el.
+(put 'autoload 'doc-string-elt 3)
+
+(defun generate-file-autoloads (file)
+ "Insert at point a loaddefs autoload section for FILE.
+autoloads are generated for defuns and defmacros in FILE
+marked by `generate-autoload-regexp' (which see).
+If FILE is being visited in a buffer, the contents of the buffer
+are used."
+ (interactive "fGenerate autoloads for file: ")
+ (let ((outbuf (current-buffer))
+ (inbuf (find-file-noselect file))
+ (autoloads-done '())
+ (load-name (let ((name (file-name-nondirectory file)))
+ (if (string-match "\\.elc?$" name)
+ (substring name 0 (match-beginning 0))
+ name)))
+ (print-length nil)
+ (floating-output-format "%20e")
+ (done-any nil)
+ output-end)
+ (message "Generating autoloads for %s..." file)
+ (save-excursion
+ (set-buffer inbuf)
+ (save-excursion
+ (save-restriction
+ (widen)
+ (goto-char (point-min))
+ (while (not (eobp))
+ (skip-chars-forward " \t\n\f")
+ (cond ((looking-at (regexp-quote generate-autoload-cookie))
+ (search-forward generate-autoload-cookie)
+ (skip-chars-forward " \t")
+ (setq done-any t)
+ (if (eolp)
+ ;; Read the next form and make an autoload.
+ (let* ((form (prog1 (read (current-buffer))
+ (forward-line 1)))
+ (autoload (make-autoload form load-name))
+ (doc-string-elt (get (car-safe form)
+ 'doc-string-elt)))
+ (if autoload
+ (setq autoloads-done (cons (nth 1 form)
+ autoloads-done))
+ (setq autoload form))
+ (if (and doc-string-elt
+ (stringp (nth doc-string-elt autoload)))
+ ;; We need to hack the printing because the
+ ;; doc-string must be printed specially for
+ ;; make-docfile (sigh).
+ (let* ((p (nthcdr (1- doc-string-elt) autoload))
+ (elt (cdr p)))
+ (setcdr p nil)
+ (princ "\n(" outbuf)
+ (mapcar (function (lambda (elt)
+ (prin1 elt outbuf)
+ (princ " " outbuf)))
+ autoload)
+ (princ "\"\\\n" outbuf)
+ (princ (substring (prin1-to-string (car elt)) 1)
+ outbuf)
+ (if (null (cdr elt))
+ (princ ")" outbuf)
+ (princ " " outbuf)
+ (princ (substring (prin1-to-string (cdr elt))
+ 1)
+ outbuf))
+ (terpri outbuf))
+ (print autoload outbuf)))
+ ;; Copy the rest of the line to the output.
+ (let ((begin (point)))
+ (forward-line 1)
+ (princ (buffer-substring begin (point)) outbuf))))
+ ((looking-at ";")
+ ;; Don't read the comment.
+ (forward-line 1))
+ (t
+ (forward-sexp 1)
+ (forward-line 1))))))
+ (set-buffer outbuf)
+ (setq output-end (point-marker)))
+ (if done-any
+ (progn
+ (insert generate-autoload-section-header)
+ (prin1 (list 'autoloads autoloads-done load-name file
+ (nth 5 (file-attributes file)))
+ outbuf)
+ (terpri outbuf)
+ (insert ";;; Generated autoloads from " file "\n")
+ (goto-char output-end)
+ (insert generate-autoload-section-trailer)))
+ (message "Generating autoloads for %s...done" file)))
+
+(defconst generated-autoload-file "loaddefs.el"
+ "*File \\[update-file-autoloads] puts autoloads into.
+A .el file can set this in its local variables section to make its
+autoloads go somewhere else.")
+
+;;;###autoload
+(defun update-file-autoloads (file)
+ "Update the autoloads for FILE in `generated-autoload-file'
+\(which FILE might bind in its local variables)."
+ (interactive "fUpdate autoloads for file: ")
+ (let ((load-name (let ((name (file-name-nondirectory file)))
+ (if (string-match "\\.elc?$" name)
+ (substring name 0 (match-beginning 0))
+ name)))
+ (done nil)
+ (existing-buffer (get-file-buffer file)))
+ (save-excursion
+ ;; We want to get a value for generated-autoload-file from
+ ;; the local variables section if it's there.
+ (set-buffer (find-file-noselect file))
+ (set-buffer (find-file-noselect generated-autoload-file))
+ (save-excursion
+ (save-restriction
+ (widen)
+ (goto-char (point-min))
+ (while (search-forward generate-autoload-section-header nil t)
+ (let ((form (condition-case ()
+ (read (current-buffer))
+ (end-of-file nil))))
+ (if (string= (nth 2 form) load-name)
+ (let ((begin (match-beginning 0))
+ (last-time (nth 4 form))
+ (file-time (nth 5 (file-attributes file))))
+ (if (and (or (null existing-buffer)
+ (not (buffer-modified-p existing-buffer)))
+ (listp last-time) (= (length last-time) 2)
+ (or (> (car last-time) (car file-time))
+ (and (= (car last-time) (car file-time))
+ (>= (nth 1 last-time)
+ (nth 1 file-time)))))
+ (message "Autoload section for %s is up to date."
+ file)
+ (search-forward generate-autoload-section-trailer)
+ (delete-region begin (point))
+ (generate-file-autoloads file))
+ (setq done t))))))
+ (if done
+ ()
+ ;; Have the user tell us where to put the section.
+ (save-window-excursion
+ (switch-to-buffer (current-buffer))
+ (with-output-to-temp-buffer "*Help*"
+ (princ (substitute-command-keys
+ (format "\
+Move point to where the autoload section
+for %s should be inserted.
+Then do \\[exit-recursive-edit]."
+ file))))
+ (recursive-edit))
+ (generate-file-autoloads file)))
+ (if (and (null existing-buffer)
+ (setq existing-buffer (get-file-buffer file)))
+ (kill-buffer existing-buffer)))))
+
+;;;###autoload
+(defun update-autoloads-here ()
+ "Update the sections of the current buffer generated by
+\\[update-file-autoloads]."
+ (interactive)
+ (let ((generated-autoload-file (buffer-file-name)))
+ (save-excursion
+ (goto-char (point-min))
+ (while (search-forward generate-autoload-section-header nil t)
+ (let* ((form (condition-case ()
+ (read (current-buffer))
+ (end-of-file nil)))
+ (file (nth 3 form)))
+ (if (and (stringp file)
+ (or (get-file-buffer file)
+ (file-exists-p file)))
+ ()
+ (setq file (if (y-or-n-p (format "Library \"%s\" (load \
+file \"%s\") doesn't exist. Remove its autoload section? "
+ (nth 2 form) file))
+ t
+ (condition-case ()
+ (read-file-name (format "Find \"%s\" load file: "
+ (nth 2 form))
+ nil nil t)
+ (quit nil)))))
+ (if file
+ (let ((begin (match-beginning 0)))
+ (search-forward generate-autoload-section-trailer)
+ (delete-region begin (point))))
+ (if (stringp file)
+ (generate-file-autoloads file)))))))
+
+;;;###autoload
+(defun update-directory-autoloads (dir)
+ "Run \\[update-file-autoloads] on each .el file in DIR."
+ (interactive "DUpdate autoloads for directory: ")
+ (mapcar 'update-file-autoloads
+ (directory-files dir nil "\\.el$")))
+
+;;;###autoload
+(defun batch-update-autoloads ()
+ "Update the autoloads for the files or directories on the command line.
+Runs \\[update-file-autoloads] on files and \\[update-directory-autoloads]
+on directories. Must be used only with -batch, and kills Emacs on completion.
+Each file will be processed even if an error occurred previously.
+For example, invoke \"emacs -batch -f batch-byte-compile *.el\""
+ (if (not noninteractive)
+ (error "batch-update-file-autoloads is to be used only with -batch"))
+ (let ((lost nil)
+ (args command-line-args-left))
+ (while args
+ (catch 'file
+ (condition-case lossage
+ (if (file-directory-p (expand-file-name (car args)))
+ (update-directory-autoloads (car args))
+ (update-file-autoloads (car args)))
+ (error (progn (message ">>Error processing %s: %s"
+ (car args) lossage)
+ (setq lost t)
+ (throw 'file nil)))))
+ (setq args (cdr args)))
+ (save-some-buffers t)
+ (message "Done")
+ (kill-emacs (if lost 1 0))))
+
+(provide 'autoload)
diff --git a/lisp/emacs-lisp/debug.el b/lisp/emacs-lisp/debug.el
new file mode 100644
index 00000000000..1b4ebf8c3b9
--- /dev/null
+++ b/lisp/emacs-lisp/debug.el
@@ -0,0 +1,347 @@
+;; Debuggers and related commands for Emacs
+;; Copyright (C) 1985, 1986 Free Software Foundation, Inc.
+
+;; This file is part of GNU Emacs.
+
+;; 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 1, 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
+;; 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 GNU Emacs; see the file COPYING. If not, write to
+;; the Free Software Foundation, 675 Mass Ave, Cambridge, MA 02139, USA.
+
+
+(defvar debug-function-list nil
+ "List of functions currently set for debug on entry.")
+
+;;;###autoload
+(setq debugger 'debug)
+;;;###autoload
+(defun debug (&rest debugger-args)
+ "Enter debugger. Returns if user says \"continue\".
+Arguments are mainly for use when this is called from the internals
+of the evaluator.
+
+You may call with no args, or you may pass nil as the first arg and
+any other args you like. In that case, the list of args after the
+first will be printed into the backtrace buffer."
+ (message "Entering debugger...")
+ (let (debugger-value
+ (debugger-match-data (match-data))
+ (debug-on-error nil)
+ (debug-on-quit nil)
+ (debugger-buffer (let ((default-major-mode 'fundamental-mode))
+ (generate-new-buffer "*Backtrace*")))
+ (debugger-old-buffer (current-buffer))
+ (debugger-step-after-exit nil)
+ ;; Don't keep reading from an executing kbd macro!
+ (executing-macro nil)
+ (cursor-in-echo-area nil))
+ (unwind-protect
+ (save-excursion
+ (save-window-excursion
+ (pop-to-buffer debugger-buffer)
+ (erase-buffer)
+ (let ((standard-output (current-buffer))
+ (print-escape-newlines t)
+ (print-length 50))
+ (backtrace))
+ (goto-char (point-min))
+ (debugger-mode)
+ (delete-region (point)
+ (progn
+ (search-forward "\n debug(")
+ (forward-line 1)
+ (point)))
+ (debugger-reenable)
+ (cond ((memq (car debugger-args) '(lambda debug))
+ (insert "Entering:\n")
+ (if (eq (car debugger-args) 'debug)
+ (progn
+ (backtrace-debug 4 t)
+ (delete-char 1)
+ (insert ?*)
+ (beginning-of-line))))
+ ((eq (car debugger-args) 'exit)
+ (insert "Return value: ")
+ (setq debugger-value (nth 1 debugger-args))
+ (prin1 debugger-value (current-buffer))
+ (insert ?\n)
+ (delete-char 1)
+ (insert ? )
+ (beginning-of-line))
+ ((eq (car debugger-args) 'error)
+ (insert "Signalling: ")
+ (prin1 (nth 1 debugger-args) (current-buffer))
+ (insert ?\n))
+ ((eq (car debugger-args) t)
+ (insert "Beginning evaluation of function call form:\n"))
+ (t
+ (prin1 (if (eq (car debugger-args) 'nil)
+ (cdr debugger-args) debugger-args)
+ (current-buffer))
+ (insert ?\n)))
+ (message "")
+ (let ((inhibit-trace t)
+ (standard-output nil)
+ (buffer-read-only t))
+ (message "")
+ (recursive-edit))))
+ ;; So that users do not try to execute debugger commands
+ ;; in an invalid context
+ (kill-buffer debugger-buffer)
+ (store-match-data debugger-match-data))
+ (setq debug-on-next-call debugger-step-after-exit)
+ debugger-value))
+
+(defun debugger-step-through ()
+ "Proceed, stepping through subexpressions of this expression.
+Enter another debugger on next entry to eval, apply or funcall."
+ (interactive)
+ (setq debugger-step-after-exit t)
+ (message "Proceeding, will debug on next eval or call.")
+ (exit-recursive-edit))
+
+(defun debugger-continue ()
+ "Continue, evaluating this expression without stopping."
+ (interactive)
+ (message "Continuing.")
+ (exit-recursive-edit))
+
+(defun debugger-return-value (val)
+ "Continue, specifying value to return.
+This is only useful when the value returned from the debugger
+will be used, such as in a debug on exit from a frame."
+ (interactive "XReturn value (evaluated): ")
+ (setq debugger-value val)
+ (princ "Returning " t)
+ (prin1 debugger-value)
+ (exit-recursive-edit))
+
+(defun debugger-jump ()
+ "Continue to exit from this frame, with all debug-on-entry suspended."
+ (interactive)
+ ;; Compensate for the two extra stack frames for debugger-jump.
+ (let ((debugger-frame-offset (+ debugger-frame-offset 2)))
+ (debugger-frame))
+ ;; Turn off all debug-on-entry functions
+ ;; but leave them in the list.
+ (let ((list debug-function-list))
+ (while list
+ (fset (car list)
+ (debug-on-entry-1 (car list) (symbol-function (car list)) nil))
+ (setq list (cdr list))))
+ (message "Continuing through this frame")
+ (exit-recursive-edit))
+
+(defun debugger-reenable ()
+ "Turn all debug-on-entry functions back on."
+ (let ((list debug-function-list))
+ (while list
+ (or (consp (symbol-function (car list)))
+ (debug-convert-byte-code (car list)))
+ (fset (car list)
+ (debug-on-entry-1 (car list) (symbol-function (car list)) t))
+ (setq list (cdr list)))))
+
+(defun debugger-frame-number ()
+ "Return number of frames in backtrace before the one point points at."
+ (save-excursion
+ (beginning-of-line)
+ (let ((opoint (point))
+ (count 0))
+ (goto-char (point-min))
+ (if (or (equal (buffer-substring (point) (+ (point) 6))
+ "Signal")
+ (equal (buffer-substring (point) (+ (point) 6))
+ "Return"))
+ (progn
+ (search-forward ":")
+ (forward-sexp 1)))
+ (forward-line 1)
+ (while (progn
+ (forward-char 2)
+ (if (= (following-char) ?\()
+ (forward-sexp 1)
+ (forward-sexp 2))
+ (forward-line 1)
+ (<= (point) opoint))
+ (setq count (1+ count)))
+ count)))
+
+;; Chosen empirically to account for all the frames
+;; that will exist when debugger-frame is called
+;; within the first one that appears in the backtrace buffer.
+;; Assumes debugger-frame is called from a key;
+;; will be wrong if it is called with Meta-x.
+(defconst debugger-frame-offset 8 "")
+
+(defun debugger-frame ()
+ "Request entry to debugger when this frame exits.
+Applies to the frame whose line point is on in the backtrace."
+ (interactive)
+ (beginning-of-line)
+ (let ((level (debugger-frame-number)))
+ (backtrace-debug (+ level debugger-frame-offset) t))
+ (if (= (following-char) ? )
+ (let ((buffer-read-only nil))
+ (delete-char 1)
+ (insert ?*)))
+ (beginning-of-line))
+
+(defun debugger-frame-clear ()
+ "Do not enter to debugger when this frame exits.
+Applies to the frame whose line point is on in the backtrace."
+ (interactive)
+ (beginning-of-line)
+ (let ((level (debugger-frame-number)))
+ (backtrace-debug (+ level debugger-frame-offset) nil))
+ (if (= (following-char) ?*)
+ (let ((buffer-read-only nil))
+ (delete-char 1)
+ (insert ? )))
+ (beginning-of-line))
+
+(defun debugger-eval-expression (exp)
+ (interactive "xEval: ")
+ (save-excursion
+ (if (null (buffer-name debugger-old-buffer))
+ ;; old buffer deleted
+ (setq debugger-old-buffer (current-buffer)))
+ (set-buffer debugger-old-buffer)
+ (eval-expression exp)))
+
+(defvar debugger-mode-map nil)
+(if debugger-mode-map
+ nil
+ (let ((loop ? ))
+ (setq debugger-mode-map (make-keymap))
+ (suppress-keymap debugger-mode-map)
+ (define-key debugger-mode-map "-" 'negative-argument)
+ (define-key debugger-mode-map "b" 'debugger-frame)
+ (define-key debugger-mode-map "c" 'debugger-continue)
+ (define-key debugger-mode-map "j" 'debugger-jump)
+ (define-key debugger-mode-map "r" 'debugger-return-value)
+ (define-key debugger-mode-map "u" 'debugger-frame-clear)
+ (define-key debugger-mode-map "d" 'debugger-step-through)
+ (define-key debugger-mode-map "l" 'debugger-list-functions)
+ (define-key debugger-mode-map "h" 'describe-mode)
+ (define-key debugger-mode-map "q" 'top-level)
+ (define-key debugger-mode-map "e" 'debugger-eval-expression)
+ (define-key debugger-mode-map " " 'next-line)))
+
+(put 'debugger-mode 'mode-class 'special)
+
+(defun debugger-mode ()
+ "Mode for backtrace buffers, selected in debugger.
+\\<debugger-mode-map>
+A line starts with `*' if exiting that frame will call the debugger.
+Type \\[debugger-frame] or \\[debugger-frame-clear] to set or remove the `*'.
+
+When in debugger due to frame being exited,
+use the \\[debugger-return-value] command to override the value
+being returned from that frame.
+
+Use \\[debug-on-entry] and \\[cancel-debug-on-entry] to control
+which functions will enter the debugger when called.
+
+Complete list of commands:
+\\{debugger-mode-map}"
+ (kill-all-local-variables)
+ (setq major-mode 'debugger-mode)
+ (setq mode-name "Debugger")
+ (setq truncate-lines t)
+ (set-syntax-table emacs-lisp-mode-syntax-table)
+ (use-local-map debugger-mode-map))
+
+;;;###autoload
+(defun debug-on-entry (function)
+ "Request FUNCTION to invoke debugger each time it is called.
+If the user continues, FUNCTION's execution proceeds.
+Works by modifying the definition of FUNCTION,
+which must be written in Lisp, not predefined.
+Use \\[cancel-debug-on-entry] to cancel the effect of this command.
+Redefining FUNCTION also does that."
+ (interactive "aDebug on entry (to function): ")
+ (debugger-reenable)
+ (if (subrp (symbol-function function))
+ (error "Function %s is a primitive" function))
+ (or (consp (symbol-function function))
+ (debug-convert-byte-code function))
+ (or (consp (symbol-function function))
+ (error "Definition of %s is not a list" function))
+ (fset function (debug-on-entry-1 function (symbol-function function) t))
+ (or (memq function debug-function-list)
+ (setq debug-function-list (cons function debug-function-list)))
+ function)
+
+;;;###autoload
+(defun cancel-debug-on-entry (&optional function)
+ "Undo effect of \\[debug-on-entry] on FUNCTION.
+If argument is nil or an empty string, cancel for all functions."
+ (interactive "aCancel debug on entry (to function): ")
+ (debugger-reenable)
+ (if (and function (not (string= function "")))
+ (progn
+ (fset function
+ (debug-on-entry-1 function (symbol-function function) nil))
+ (setq debug-function-list (delq function debug-function-list))
+ function)
+ (message "Cancelling debug-on-entry for all functions")
+ (mapcar 'cancel-debug-on-entry debug-function-list)))
+
+(defun debug-convert-byte-code (function)
+ (let ((defn (symbol-function function)))
+ (if (not (consp defn))
+ ;; Assume a compiled code object.
+ (let* ((contents (append defn nil))
+ (body
+ (list (list 'byte-code (nth 1 contents)
+ (nth 2 contents) (nth 3 contents)))))
+ (if (nthcdr 5 contents)
+ (setq body (cons (list 'interactive (nth 5 contents)) body)))
+ (if (nth 4 contents)
+ (setq body (cons (nth 4 contents) body)))
+ (fset function (cons 'lambda (cons (car contents) body)))))))
+
+(defun debug-on-entry-1 (function defn flag)
+ (if (subrp defn)
+ (error "%s is a built-in function" function)
+ (if (eq (car defn) 'macro)
+ (debug-on-entry-1 function (cdr defn) flag)
+ (or (eq (car defn) 'lambda)
+ (error "%s not user-defined Lisp function" function))
+ (let (tail prec)
+ (if (stringp (car (nthcdr 2 defn)))
+ (setq tail (nthcdr 3 defn)
+ prec (list (car defn) (car (cdr defn))
+ (car (cdr (cdr defn)))))
+ (setq tail (nthcdr 2 defn)
+ prec (list (car defn) (car (cdr defn)))))
+ (if (eq flag (equal (car tail) '(debug 'debug)))
+ defn
+ (if flag
+ (nconc prec (cons '(debug 'debug) tail))
+ (nconc prec (cdr tail))))))))
+
+(defun debugger-list-functions ()
+ "Display a list of all the functions now set to debug on entry."
+ (interactive)
+ (with-output-to-temp-buffer "*Help*"
+ (if (null debug-function-list)
+ (princ "No debug-on-entry functions now\n")
+ (princ "Functions set to debug on entry:\n\n")
+ (let ((list debug-function-list))
+ (while list
+ (prin1 (car list))
+ (terpri)
+ (setq list (cdr list))))
+ (princ "Note: if you have redefined a function, then it may no longer\n")
+ (princ "be set to debug on entry, even if it is in the list."))))