[asdf-devel] ASDF traverse changed behavior?

[james anderson]

good afternoon.

On 2010-03-18, at 15:02 , Juan Jose Garcia-Ripoll wrote:

> On Thu, Mar 18, 2010 at 2:55 PM, james anderson  
> <james.anderson at setf.de> wrote:
>
> if asdf were to adopt an 11.1.2.1.2-rule, asdf-ecl.lisp would  
> require a change.
>
> it would not be supported for an extension to extend 'asdf:load-op  
> such that load-op itself specialized an operation-done-p :around  
> method which forced complete traversal results. it would be be  
> necessary to specialize the load-op class as, for example, collect- 
> op, and specialize operation-done-p on that class. in which case  
> its own primary method could always return nil and an :around  
> method would not be necessary.
>
> What you suggest can not be done.

you type too fast.
please see my next message.

> While load-op dependencies are automatically added to all systems  
> by some hard-coded logic in DEFSYSTEM, if we create a collect-op,  
> traverse will not find any dependencies that are related to it and  
> it will refuse to, say, traverse cl-ppcre when stumpwm depends on it.
>
> A potential aternative would be to remove the :around method and  
> use *forcing* but this again does not work, because *forcing* only  
> forces the system we act upon, and not the dependecies it has.
>
> So right now there is no way to traverse the ASDF system tree  
> without such a hack.
>
> Juanjo
>
> -- 
> Instituto de Física Fundamental, CSIC
> c/ Serrano, 113b, Madrid 28006 (Spain)
> http://tream.dreamhosters.com

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