[clang] [clang][Diagnostics] Highlight code snippets (PR #66514)

[Timm Baeder via cfe-commits]

Timm =?utf-8?q?Bäder?= <tbaeder at redhat.com>,
Timm =?utf-8?q?Bäder?= <tbaeder at redhat.com>,
Timm =?utf-8?q?Bäder?= <tbaeder at redhat.com>,
Timm =?utf-8?q?Bäder?= <tbaeder at redhat.com>
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In-Reply-To: <llvm/llvm-project/pull/66514/clang at github.com>


tbaederr wrote:

The new commit above lexes the entire file and divides multi-line tokens into single-line `StyleRange` objects. _No caching yet_.

https://github.com/llvm/llvm-project/pull/66514