=?utf-8?b?R8OhYm9yIFTDs3RodsOhcmk=?= <tigbrc...@protonmail.com>
Message-ID:
In-Reply-To: <llvm.org/llvm/llvm-project/pull/89...@github.com>


================
@@ -0,0 +1,37 @@
+//===--- TaggedUnionMemberCountCheck.h - clang-tidy -------------*- C++ 
-*-===//
+//
+// Part of the LLVM Project, under the Apache License v2.0 with LLVM 
Exceptions.
+// See https://llvm.org/LICENSE.txt for license information.
+// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
+//
+//===----------------------------------------------------------------------===//
+
+#ifndef 
LLVM_CLANG_TOOLS_EXTRA_CLANG_TIDY_BUGPRONE_TAGGEDUNIONMEMBERCOUNTCHECK_H
+#define 
LLVM_CLANG_TOOLS_EXTRA_CLANG_TIDY_BUGPRONE_TAGGEDUNIONMEMBERCOUNTCHECK_H
+
+#include "../ClangTidyCheck.h"
+#include "llvm/ADT/StringRef.h"
+
+namespace clang::tidy::bugprone {
+
+// Gives warnings for tagged unions, where the number of tags is
+// different from the number of data members inside the union.
+//
+// For the user-facing documentation see:
+// 
http://clang.llvm.org/extra/clang-tidy/checks/bugprone/tagged-union-member-count.html
+class TaggedUnionMemberCountCheck : public ClangTidyCheck {
+public:
+  TaggedUnionMemberCountCheck(StringRef Name, ClangTidyContext *Context);
+  void storeOptions(ClangTidyOptions::OptionMap &Opts) override;
+  void registerMatchers(ast_matchers::MatchFinder *Finder) override;
+  void check(const ast_matchers::MatchFinder::MatchResult &Result) override;
+
+private:
+  bool EnumCounterHeuristicIsEnabled;
+  StringRef EnumCounterSuffix;
+  bool StrictMode;
----------------
whisperity wrote:

If these are the values to store the check config options the user specified, 
these should be `const` and not modified during analysis.

https://github.com/llvm/llvm-project/pull/89925
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