How to access elements outside an Annotation Processor

[Stéphane NICOLAS]

Hi there,

my last question about elements (de)serialization didn't really catch your
attention, but I try again !
:)

I would like to have the advises of people on this list to access elements
outside an AP.

Context: I am developing a build tool and would need, given a list of
files, to access all elements annotated with a given set of annotations.

I read the javac's compiler code and found out that javac does it via the
JavaProcessingEnvironment, that create a RoundEnvironment that in turn uses
a TypeUtil instance and a visitor to scan all elements and return those
which are annotated.

But the internals of javac are a bit complex, is there a simpler way to do
this ? What would you recommend ?
Please note that I want to do this BEFORE annotation processing itself,
hence I can't use an Annotation Processor to achieve it.

Thanks in advance and thanks for this amazing compiler !

S.
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