[asdf-devel] ASDF:OOS LOAD-OP :FORCE T and SBCL contribs

[Robert Goldman]

Gary King wrote:
>>> Perhaps a better solution would be to export OPERATION-FORCED and
>>> TRAVERSE, so that this could be deal with where-ever is needed --
>>> especially in local initialization files for systems installed in
>>> read-only locations. The SBCL solution would look about the same -- it
>>> just would not reside inside asdf.lisp.
>>>
>>
>> This seems like a reasonable solution.
> 
> I agree. There are probably two items here:
> 
> 1. Allowing a system definer to say "don't descend into this sub-system"
> even when :force is t.
> 
> 2. Allowing a system user to say "I want to force the recompilation of
> this system but not the systems on which it depends"
> 
> For #1, I'd suggest adding a slot to system that controls how force
> behaves. Ideas include
> 
>     * read-only (to mean that the system cannot be edited or recompiled.)
>     * ignore-force (to mean, well, ignore force).
> 
> For #2, I'd suggest using
> 
> * recompile everything
> 
>     * :force t
>     * :force :descend
> 
> * recompile only the current system
> 
>     * :force :system-only
> 
> Both of these seem worthwhile to me. I'd even have to implement them
> tonight if people like the idea!? (he said optimistically).

Far better than my suggestion of a separate keyword argument to modulate
the effects of :force....