Stash a CXXUnit pointer into each cursor. This allows us to simplify
the interface to clang_visitChildren() by eliminating the
CXTranslationUnit pointer.


git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@94051 91177308-0d34-0410-b5e6-96231b3b80d8
5 files changed