Re: Mark custom function for interactive use only

[Sebastian Wiesner <lunaryorn@gmail.com>]

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2013/11/25 Sebastian Wiesner <lunaryorn@gmail.com>:
> 2013/11/25 Stefan Monnier <monnier@iro.umontreal.ca>:
>>> I presume I'd just patch `byte-compile-form' in bytecomp.el to also
>>> look at a corresponding property, e.g. `interactive-use-only`.
>>> Anything else?
>>
>> We should also make byte-compile-interactive-only-functions obsolete and
>> default it to nil (i.e. move its contents to symbol properties).
>
> Attached is a patch to Emacs trunk, which introduces a
> `interactive-only' symbol property as either a string with a "use
> instead" message or just t, sets this property on all functions from
> byte-compile-interactive-only-functions, and makes
> byte-compile-interactive-only-functions as obsolete.
>
> Documentation and tests are missing.  If you can point me to the
> proper places and tell me how to run the Emacs tests, I can add these
> as well.

Ok, *now* it's attached.  Sorry

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=== modified file 'lisp/comint.el'
--- lisp/comint.el	2013-10-29 16:11:50 +0000
+++ lisp/comint.el	2013-11-25 10:37:38 +0000
@@ -752,6 +752,7 @@
   (let ((name (file-name-nondirectory program)))
     (switch-to-buffer (make-comint name program))
     (run-hooks (intern-soft (concat "comint-" name "-hook")))))
+(put 'comint-run 'interactive-only t)
 
 (defun comint-exec (buffer name command startfile switches)
   "Start up a process named NAME in buffer BUFFER for Comint modes.

=== modified file 'lisp/emacs-lisp/bytecomp.el'
--- lisp/emacs-lisp/bytecomp.el	2013-10-30 02:45:53 +0000
+++ lisp/emacs-lisp/bytecomp.el	2013-11-25 10:38:19 +0000
@@ -353,11 +353,11 @@
                   (t
                    (append byte-compile-warnings (list warning)))))))
 
-(defvar byte-compile-interactive-only-functions
-  '(beginning-of-buffer end-of-buffer replace-string replace-regexp
-    insert-file insert-buffer insert-file-literally previous-line next-line
-    goto-line comint-run delete-backward-char)
+(defvar byte-compile-interactive-only-functions nil 
   "List of commands that are not meant to be called from Lisp.")
+(make-obsolete-variable 'byte-compile-interactive-only-functions
+			"use the `interactive-only' symbol property instead"
+			"24.4")
 
 (defvar byte-compile-not-obsolete-vars nil
   "List of variables that shouldn't be reported as obsolete.")
@@ -2929,13 +2929,18 @@
              (byte-compile-variable-ref form))))
      ((symbolp (car form))
       (let* ((fn (car form))
-             (handler (get fn 'byte-compile)))
+             (handler (get fn 'byte-compile))
+	     (interactive-only (or (get fn 'interactive-only)
+				   (memq fn byte-compile-interactive-only-functions))))
         (when (macroexp--const-symbol-p fn)
           (byte-compile-warn "`%s' called as a function" fn))
-        (and (byte-compile-warning-enabled-p 'interactive-only)
-             (memq fn byte-compile-interactive-only-functions)
-             (byte-compile-warn "`%s' used from Lisp code\n\
-That command is designed for interactive use only" fn))
+	(when (and (byte-compile-warning-enabled-p 'interactive-only)
+		   interactive-only)
+	  (byte-compile-warn "`%s' used from Lisp code\n\
+That command is designed for interactive use only.\n%s"
+			     (if (stringp interactive-only)
+				 interactive-only
+			       "Consult the documentation for an alternative")))
         (if (and (fboundp (car form))
                  (eq (car-safe (symbol-function (car form))) 'macro))
             (byte-compile-log-warning

=== modified file 'lisp/files.el'
--- lisp/files.el	2013-10-30 02:14:16 +0000
+++ lisp/files.el	2013-11-25 10:33:10 +0000
@@ -2085,6 +2085,8 @@
 \(Its calling sequence is different; see its documentation)."
   (interactive "*fInsert file literally: ")
   (insert-file-1 filename #'insert-file-contents-literally))
+(put 'insert-file-literally 'interactive-only
+     "Use `insert-file-contents-literally' instead")
 
 (defvar find-file-literally nil
   "Non-nil if this buffer was made by `find-file-literally' or equivalent.
@@ -5007,6 +5009,7 @@
 \(Its calling sequence is different; see its documentation)."
   (interactive "*fInsert file: ")
   (insert-file-1 filename #'insert-file-contents))
+(put 'insert-file 'interactive-only "Use `insert-file-contents' instead.")
 
 (defun append-to-file (start end filename)
   "Append the contents of the region to the end of file FILENAME.

=== modified file 'lisp/replace.el'
--- lisp/replace.el	2013-11-13 20:48:35 +0000
+++ lisp/replace.el	2013-11-25 10:31:11 +0000
@@ -523,6 +523,8 @@
 	   (if (and transient-mark-mode mark-active)
 	       (region-end)))))
   (perform-replace from-string to-string nil nil delimited nil nil start end))
+(put 'replace-string 'interactive-only
+     "Use `search-forward' and `replace-match' instead.")
 
 (defun replace-regexp (regexp to-string &optional delimited start end)
   "Replace things after point matching REGEXP with TO-STRING.
@@ -590,6 +592,8 @@
 	   (if (and transient-mark-mode mark-active)
 	       (region-end)))))
   (perform-replace regexp to-string nil t delimited nil nil start end))
+(put 'replace-regexp 'interactive-only
+     "Use `re-search-forward' and `replace-match' instead.")
 
 \f
 (defvar regexp-history nil

=== modified file 'lisp/simple.el'
--- lisp/simple.el	2013-10-30 02:45:53 +0000
+++ lisp/simple.el	2013-11-25 10:38:10 +0000
@@ -888,6 +888,7 @@
 			(/ (+ 10 (* size (prefix-numeric-value arg))) 10)))
 		 (point-min))))
   (if (and arg (not (consp arg))) (forward-line 1)))
+(put 'beginning-of-buffer 'interactive-only "Use (goto-char (point-min)) instead")
 
 (defun end-of-buffer (&optional arg)
   "Move point to the end of the buffer.
@@ -920,6 +921,7 @@
 	 ;; then scroll specially to put it near, but not at, the bottom.
 	 (overlay-recenter (point))
 	 (recenter -3))))
+(put 'end-of-buffer 'interactive-only "Use (goto-char (point-max)) instead")
 
 (defcustom delete-active-region t
   "Whether single-char deletion commands delete an active region.
@@ -982,6 +984,7 @@
 	     (insert-char ?\s (- ocol (current-column)) nil))))
 	;; Otherwise, do simple deletion.
 	(t (delete-char (- n) killflag))))
+(put 'delete-backward-char 'interactive-only t)
 
 (defun delete-forward-char (n &optional killflag)
   "Delete the following N characters (previous if N is negative).
@@ -1079,6 +1082,7 @@
     (if (eq selective-display t)
 	(re-search-forward "[\n\C-m]" nil 'end (1- line))
       (forward-line (1- line)))))
+(put 'goto-line 'interactive-only "Use `forward-line' instead")
 
 (defun count-words-region (start end &optional arg)
   "Count the number of words in the region.
@@ -4165,6 +4169,7 @@
      (insert-buffer-substring (get-buffer buffer))
      (point)))
   nil)
+(put 'insert-buffer 'interactive-only "Use `insert-buffer-substring' instead")
 
 (defun append-to-buffer (buffer start end)
   "Append to specified buffer the text of the region.
@@ -4763,6 +4768,7 @@
 	   (signal (car err) (cdr err))))
       (line-move arg nil nil try-vscroll)))
   nil)
+(put 'next-line 'interactive-only "Use `forward-line' instead")
 
 (defun previous-line (&optional arg try-vscroll)
   "Move cursor vertically up ARG lines.
@@ -4802,6 +4808,8 @@
 	 (signal (car err) (cdr err))))
     (line-move (- arg) nil nil try-vscroll))
   nil)
+(put 'previous-line 'interactive-only
+     "Use `forward-line' with negative argument instead")
 
 (defcustom track-eol nil
   "Non-nil means vertical motion starting at end of line keeps to ends of lines.