[PATCH] D34949: [refactor][rename] Use a single base class for class that finds a declaration at location and for class that searches for all occurrences of a specific declaration

[Alex Lorenz via Phabricator via cfe-commits]

arphaman created this revision.

- Use single `RecursiveSymbolVisitor` class for both `USRLocFindingASTVisitor` and `NamedDeclOccurrenceFindingVisitor` to avoid duplicate visiting code.
- Traverse nested name specifier locs in the new class and remove the separate matching step.
- New class `NamedDeclFindingVisitor` handles search for a declaration by name. We don't have to visit each occurrence to find the declaration, so a simple NamedDecl search should be enough.


Repository:
  rL LLVM

https://reviews.llvm.org/D34949

Files:
  include/clang/Tooling/Refactoring/RecursiveSymbolVisitor.h
  include/clang/Tooling/Refactoring/Rename/USRFinder.h
  include/clang/module.modulemap
  lib/Tooling/Refactoring/Rename/USRFinder.cpp
  lib/Tooling/Refactoring/Rename/USRLocFinder.cpp

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