[asdf-devel] How should ASDF return cached system definition information

Robert P. Goldman rpgoldman at sift.info
Tue Feb 25 16:14:09 UTC 2014

Faré wrote:
> The user should use the same API as parse-component-form. And that's
> where I see that the way it filters weakly-depends-on is buggy, since
> it calls find-system and not resolve-dependency-spec. At this point,
> either it should call it and somehow catch a condition when the
> component is missing (but what if it's an indirect component while
> loading a .asd that raises the condition? This sucks — and
> locate-system won't suffice either for secondary systems), or you're
> right and we should restrict weakly-depends-on to system names and not
> generalized specs. In any case, ASDF is currently buggy.

Quick follow-up (sorry, lost track of this over many days).

The grammar /does/ specify that weakly-depends-on can only have system
names, not general dependency specifications.  I have documented the
return type of SYSTEM-WEAKLY-DEPENDS-ON accordingly.


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