Faré wrote:
On Sat, Feb 22, 2014 at 3:26 PM, Cyrus Harmon ch-lisp@bobobeach.com wrote:
While trying to load and asdf system that generates an error (that’s another story, presumably an abcl-contrib problem), I get the following error:
Error while trying to load definition for system abcl-cdk from pathname /Users/sly/projects/abcl-cdk/abcl-cdk.asd: There is no applicable method for the generic function #<STANDARD-GENERIC-FUNCTION ASDF/SYSTEM:BUILTIN-SYSTEM-P {4DE3AFA9}> when called with arguments ((NIL)). [Condition of type ASDF/FIND-SYSTEM:LOAD-SYSTEM-DEFINITION-ERROR]
There's an error while reporting a warning (warning about your system having a bad version string). I suggest you add this method in system.lisp after defclass system: (defmethod builtin-system-p ((x null)) nil) Does it help?
Robert, do you want me to commit that?
I'd like to understand this patch better before we push it.
Why is it that having a method on NIL is right? Doesn't this just mask a bug where we are incorrectly treating NIL as if it's a system designator?
What's the cause for trying to ask if NIL is a built in system? Presumably some system lookup returned NIL, right? If so, why wasn't that trapped as an error?
thanks, r