[PATCH] D62419: [LibTooling] Add `before` and `after` selectors for selecting point-ranges relative to nodes.

[Yitzhak Mandelbaum via Phabricator via cfe-commits]

ymandel created this revision.
ymandel added a reviewer: ilya-biryukov.
Herald added a project: clang.

The `before` and `after` selectors allow users to specify a zero-length range --
a point -- at the relevant location in an AST-node's source.  Point ranges can
be useful, for example, to insert a change using an API that takes a range to be
modified (e.g. `tooling::change()`).


Repository:
  rG LLVM Github Monorepo

https://reviews.llvm.org/D62419

Files:
  clang/include/clang/Tooling/Refactoring/RangeSelector.h
  clang/lib/Tooling/Refactoring/RangeSelector.cpp
  clang/unittests/Tooling/RangeSelectorTest.cpp

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