Re: MPS native subrs

[Gerd Möllmann]

Helmut Eller <eller.helmut@gmail.com> writes:

> On Tue, Jun 25 2024, Gerd Möllmann wrote:
>
>> Seems to have appeared in
>>
>> 58e0c8ee86e2c36245f1c5a1483f1c73600b4914
>> Author:     Lars Ingebrigtsen <larsi@gnus.org>
>> AuthorDate: Sun Feb 14 13:21:24 2021 +0100
>>
>> Extend the syntax of `interactive' to list applicable modes
>
> But it's always nil for primitive subrs.  

Right. I've added Lars in CC, maybe he can say something. I personally
don't remember anything about this being discussed or something.

> To me, this feature seems so rarely used that it would be more than
> good enough if only named commands can have command-modes. For named
> commands, the symbols plist seems like the better place to put it than
> the function itself. If we could get rid of the command_modes field,
> then we wouldn't need to trace primitives at all

Agree 100%.

> More generally, it seems that the DEFUN macro works much like the DEFVAR
> macro, in the sense that it creates a struct and puts it in a static
> variable.  So the Lisp_Subrs structs for primitives are, just like the
> Lisp_Fwd structs, already in the data section.  We could re-use them
> instead of re-creating them in the dump.  Of course, only if we can get
> rid of the command_modes field.

And it would again greatly simplify things. Maybe we should just do it :-)