[cfe-dev] how to match AST nodes in order

[SANGEETA CHOWDHARY via cfe-dev]

Hello,

I have been looking for a way to give traverse nodes in DFS using ast matchers and libtooling. For example I have a below AST -

-BinaryOperator-
   -BinaryOperator-
      -IntegerLiteral
  -IntegerLiteral
 -IntegerLiteral

Before matching above binaryOperator Node, I want to match the inner binaryOperator node. Depth could be any, I want to handle innermost node first. Is there any way to achieve this using clang ast matchers and libtooling. 

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