[PATCH] D67274: [clangd] Improve output of semantic highlighting tests in case of failures

[Ilya Biryukov via Phabricator via cfe-commits]

ilya-biryukov created this revision.
ilya-biryukov added a reviewer: hokein.
Herald added subscribers: kadircet, arphaman, jkorous, MaskRay.
Herald added a project: clang.

Instead of matching lists of highlightings, we annotate input code with
resulting highlightings and diff it against the expected annotated input.

In case of failures, this produces much nicer output in form of text-based
diffs.


Repository:
  rG LLVM Github Monorepo

https://reviews.llvm.org/D67274

Files:
  clang-tools-extra/clangd/SemanticHighlighting.cpp
  clang-tools-extra/clangd/SemanticHighlighting.h
  clang-tools-extra/clangd/unittests/SemanticHighlightingTests.cpp

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