[PATCH] D73029: Extend ExprTraversal class with acending traversal

[Stephen Kelly via Phabricator via cfe-commits]

steveire created this revision.
steveire added a reviewer: aaron.ballman.
Herald added a project: clang.
Herald added a subscriber: cfe-commits.

This allows ASTContext to store only one parent map, rather than storing
an entire parent map for each traversal mode used.

This is therefore a partial revert of commit 0a717d5b <https://reviews.llvm.org/rG0a717d5b5d31fc2d5bc98ca695031fb09e65beb0> (Make it possible
control matcher traversal kind with ASTContext, 2019-12-06).


Repository:
  rG LLVM Github Monorepo

https://reviews.llvm.org/D73029

Files:
  clang/include/clang/AST/ASTContext.h
  clang/include/clang/AST/ExprTraversal.h
  clang/lib/AST/ASTContext.cpp
  clang/lib/AST/ExprTraversal.cpp

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