I'm trying to figure out how to query a module for compile-time
information. I've got some toy code here:
http://github.com/dyoo/permissions
Basically, I want to annotate a module with permissions that the
module requires. I'm defining a permission to be a literal string for
the moment. I want to have a way of querying a module, later on, for
those permissions. For example, the open-image-url.rkt module here:
http://github.com/dyoo/permissions/blob/master/t/open-image-url.rkt
says that it requires network access. I'd like to have my query module:
http://github.com/dyoo/permissions/blob/master/query.rkt
be able to grab the set of permissions that a module says that it needs.
Doing this at runtime is something I know how to accomplish, by having
my require-permission macro introduce a 'permissions binding.
However, I don't want to do it that way: I want to grab this
information without evaluating the run-time portion of a module.
I started hacking at this on my compile-time branch
(http://github.com/dyoo/permissions/tree/compile-time) but I'm getting
stuck. In particular, I don't quite know how to get my query.rkt
module to communicate with the record.rkt module. Can someone give
pointers on what I should be looking at?
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