[cfe-dev] Extracting preprocessor documentation

[Richard]

In article <CAMDzUtzsoUL4wZs-iTsthjoUnc03SLsYjZYgpQrVm5-q0K8krg at mail.gmail.com>,
    Guilherme <guibufolo+llvm at gmail.com> writes:

> Is it possible to do this from a theoretical point of view? The
> problem i see is that preprocessing is done in stage 4 where there is
> no syntax tree. It is built in stage 7.
> 
> Would there still be a way to annotate this in the syntax tree?

If I understood the referenced slide deck correctly, they gathered
their own comment information as parsing proceeded and then
back-filled it onto the AST after it was built.

Wouldn't that work for macro definitions too?
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