Re: Fload does not set the `autoload' property

["Juanma Barranquero" <lekktu@gmail.com>]

On 10/12/07, Richard Stallman <rms@gnu.org> wrote:

> However, it might be a bug that this affects the `autoload' property.
> Maybe we should set the `autoload' property for every definition of a
> function that was previously autoloaded.

That's what I think; it is necessary in order to do a proper unload-feature.

> If we change this, we should consider it a bug fix,
> so we should do it now and fix it in Emacs 22.2.
> Would someone like to try implementing that change?

I would lie if I said I know anything about that part of the code.
Perhaps the attached patch is similar to what you're thinking about?

             Juanma


Index: src/data.c
===================================================================
RCS file: /cvsroot/emacs/emacs/src/data.c,v
retrieving revision 1.278
diff -c -r1.278 data.c
*** src/data.c	10 Sep 2007 09:41:44 -0000	1.278
--- src/data.c	13 Oct 2007 01:13:10 -0000
***************
*** 663,674 ****
       (symbol, definition)
       register Lisp_Object symbol, definition;
  {
    CHECK_SYMBOL (symbol);
    if (NILP (symbol) || EQ (symbol, Qt))
      xsignal1 (Qsetting_constant, symbol);
!   if (!NILP (Vautoload_queue) && !EQ (XSYMBOL (symbol)->function, Qunbound))
!     Vautoload_queue = Fcons (Fcons (symbol, XSYMBOL (symbol)->function),
! 			     Vautoload_queue);
    XSYMBOL (symbol)->function = definition;
    /* Handle automatic advice activation */
    if (CONSP (XSYMBOL (symbol)->plist) && !NILP (Fget (symbol,
Qad_advice_info)))
--- 663,682 ----
       (symbol, definition)
       register Lisp_Object symbol, definition;
  {
+   register Lisp_Object function;
+
    CHECK_SYMBOL (symbol);
    if (NILP (symbol) || EQ (symbol, Qt))
      xsignal1 (Qsetting_constant, symbol);
!
!   function = XSYMBOL (symbol)->function;
!
!   if (!NILP (Vautoload_queue) && !EQ (function, Qunbound))
!     Vautoload_queue = Fcons (Fcons (symbol, function), Vautoload_queue);
!
!   if (CONSP (function) && EQ (XCAR (function), Qautoload))
!     Fput (symbol, Qautoload, XCDR (function));
!
    XSYMBOL (symbol)->function = definition;
    /* Handle automatic advice activation */
    if (CONSP (XSYMBOL (symbol)->plist) && !NILP (Fget (symbol,
Qad_advice_info)))
Index: src/eval.c
===================================================================
RCS file: /cvsroot/emacs/emacs/src/eval.c,v
retrieving revision 1.291
diff -c -r1.291 eval.c
*** src/eval.c	9 Oct 2007 08:52:52 -0000	1.291
--- src/eval.c	13 Oct 2007 01:07:20 -0000
***************
*** 2178,2184 ****
       Lisp_Object fundef, funname;
  {
    int count = SPECPDL_INDEX ();
!   Lisp_Object fun, queue, first, second;
    struct gcpro gcpro1, gcpro2, gcpro3;

    /* This is to make sure that loadup.el gives a clear picture
--- 2178,2184 ----
       Lisp_Object fundef, funname;
  {
    int count = SPECPDL_INDEX ();
!   Lisp_Object fun;
    struct gcpro gcpro1, gcpro2, gcpro3;

    /* This is to make sure that loadup.el gives a clear picture
***************
*** 2199,2218 ****
    Vautoload_queue = Qt;
    Fload (Fcar (Fcdr (fundef)), Qnil, Qt, Qnil, Qt);

-   /* Save the old autoloads, in case we ever do an unload.  */
-   queue = Vautoload_queue;
-   while (CONSP (queue))
-     {
-       first = XCAR (queue);
-       second = Fcdr (first);
-       first = Fcar (first);
-
-       if (SYMBOLP (first) && CONSP (second) && EQ (XCAR (second), Qautoload))
- 	Fput (first, Qautoload, (XCDR (second)));
-
-       queue = XCDR (queue);
-     }
-
    /* Once loading finishes, don't undo it.  */
    Vautoload_queue = Qt;
    unbind_to (count, Qnil);
--- 2199,2204 ----