[asdf-devel] Error loading closure-html

[Robert Goldman]

On 3/29/10 Mar 29 -4:38 PM, Samium Gromoff wrote:
> On Sun, 28 Mar 2010 19:08:27 -0400, Faré <fahree at gmail.com> wrote:
>> There is no portable way to distinguish between the many filesystem
>> errors, anyway.
>> Is there a good reason to not let LOAD report whatever error it wants?
> 
> Hmm, LOAD is specified to raise a FILE-ERROR upon failure and I missed
> that SBCL's SIMPLE-FILE-ERROR is a subtype of it, so we get the failed
> upon pathname.
> 
> The status quo is that currently ASDF provides the name of the system
> in the condition, which we'd have to deduce from the pathname, if we
> were to let LOAD do the error checking.
> 
> In the cases of SBCL, ECL and CLisp FILE-ERROR-PATHNAME on a dead symlink
> is reasonable and returns the pathname of the dead symlink, not what
> it points to.
> 
> But there is something that bothers me still, as there are those
> multiple-systems-per-file .asd files, which makes pathname->system
> mapping less trivial.  How much this makes a problem in the real life
> I cannot tell, just that it might be one in general.
> 
> In the end, I'm not sure, it's been long since I touched desire.
> 
> 
Is there some reason why the other choice mentioned --- catching an
error from load and then re-signaling it with the additional information
about the system --- cannot be used?

Best,
R