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1//===----------------------------------------------------------------------===//2//3// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.4// See https://llvm.org/LICENSE.txt for license information.5// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception6//7//===----------------------------------------------------------------------===//8 9#ifndef LLVM_CLANG_TOOLS_EXTRA_CLANG_TIDY_BUGPRONE_TAGGEDUNIONMEMBERCOUNTCHECK_H10#define LLVM_CLANG_TOOLS_EXTRA_CLANG_TIDY_BUGPRONE_TAGGEDUNIONMEMBERCOUNTCHECK_H11 12#include "../ClangTidyCheck.h"13 14namespace clang::tidy::bugprone {15 16/// Gives warnings for tagged unions, where the number of tags is17/// different from the number of data members inside the union.18///19/// For the user-facing documentation see:20/// https://clang.llvm.org/extra/clang-tidy/checks/bugprone/tagged-union-member-count.html21class TaggedUnionMemberCountCheck : public ClangTidyCheck {22public:23 TaggedUnionMemberCountCheck(StringRef Name, ClangTidyContext *Context);24 void storeOptions(ClangTidyOptions::OptionMap &Opts) override;25 void registerMatchers(ast_matchers::MatchFinder *Finder) override;26 void check(const ast_matchers::MatchFinder::MatchResult &Result) override;27 28private:29 const bool StrictMode;30 const bool EnableCountingEnumHeuristic;31 const std::vector<StringRef> CountingEnumPrefixes;32 const std::vector<StringRef> CountingEnumSuffixes;33 34 std::pair<const std::size_t, const EnumConstantDecl *>35 getNumberOfEnumValues(const EnumDecl *ED);36 bool isCountingEnumLikeName(StringRef Name) const;37};38 39} // namespace clang::tidy::bugprone40 41#endif // LLVM_CLANG_TOOLS_EXTRA_CLANG_TIDY_BUGPRONE_TAGGEDUNIONMEMBERCOUNTCHECK_H42