[cfe-dev] Match callback invocation order
Stephen Kelly via cfe-dev
cfe-dev at lists.llvm.org
Sat Jun 20 09:26:38 PDT 2020
On 19/06/2020 15:38, Billy O'Mahony wrote:
> Hi Stephen,
> thanks for the input.
> Fortunately it's just C I'm interested in.
> It's not just the order of certain function calls that are relevant;
> the ordering of some conditional expressions and return stmts are also
> relevant. And some of them are done via macros in which case, if I
> recall, I see the source location being the location of the macro
> definition - not the location of the macro usage.
Yes, macros add complexity.
> It still sounds to me like MatchFinder is not doing exactly what it
> says on the tin "The order of matches is guaranteed to be equivalent
> to doing a pre-order traversal on the AST, and applying the matchers
> in the order in which they were added to the MatchFinder."
Yes, this is at least a documentation bug, if the implementation isn't
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