[cfe-dev] Header Pasting and ASTMatchers

[Benjamin Kramer via cfe-dev]

You shouldn't be seeing the AST twice. Can you show the code where you
set up PPCallbacks?

On Sun, Dec 11, 2016 at 10:23 PM, Farzad Sadeghi via cfe-dev
<cfe-dev at lists.llvm.org> wrote:
> I have an ASTFronendAction that runs some matchers and has some PPCallbacks.
> Ever since i added the PPCallbacks, I'm getting the AST of a source
> file that has the headers actually pasted at the top of it, so if
> something's in an included file, i'm matching it twice.
> is there a way to check for that when a MatchFinder::Callback is
> called or is there a way to tell the Preprocessor to not paste the
> headers at the top of the source files that included them?
>
> --
> Farzad Sadeghi
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