[PATCH] D116147: [clangd] Respect .clang-tidy ExtraArgs (-Wfoo only) when producing diagnostics
Sam McCall via Phabricator via cfe-commits
cfe-commits at lists.llvm.org
Wed Dec 22 02:08:01 PST 2021
sammccall created this revision.
sammccall added a reviewer: kadircet.
Herald added subscribers: usaxena95, arphaman.
sammccall requested review of this revision.
Herald added subscribers: cfe-commits, MaskRay, ilya-biryukov.
Herald added a project: clang-tools-extra.
This mechanism is used almost exclusively to enable extra warnings in clang-tidy
using ExtraArgs=-Wfoo, Checks="clang-diagnostic-foo".
Its presence is a strong signal that these flags are useful.
We choose not to actually emit them as clang-tidy diagnostics, but under their
"main" name - this ensures we show the same diagnostic in a consistent way.
We don't add the ExtraArgs to the compile command in general, but rather just
handle the -W<group> flags, which is the common case and avoids unexpected
side-effects.
And we only do this for the main file parse, when producing diagnostics.
Repository:
rG LLVM Github Monorepo
https://reviews.llvm.org/D116147
Files:
clang-tools-extra/clangd/ParsedAST.cpp
clang-tools-extra/clangd/unittests/DiagnosticsTests.cpp
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