1 //===--- ProTypeUnionAccessCheck.h - clang-tidy------------------*- C++ -*-===// 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-exception 6 // 7 //===----------------------------------------------------------------------===// 8 9 #ifndef LLVM_CLANG_TOOLS_EXTRA_CLANG_TIDY_CPPCOREGUIDELINES_PRO_TYPE_UNION_ACCESS_H 10 #define LLVM_CLANG_TOOLS_EXTRA_CLANG_TIDY_CPPCOREGUIDELINES_PRO_TYPE_UNION_ACCESS_H 11 12 #include "../ClangTidyCheck.h" 13 14 namespace clang::tidy::cppcoreguidelines { 15 16 /// This check flags all access to members of unions. 17 /// Access to a union as a whole (e.g. passing to a function) is not flagged. 18 /// 19 /// For the user-facing documentation see: 20 /// http://clang.llvm.org/extra/clang-tidy/checks/cppcoreguidelines/pro-type-union-access.html 21 class ProTypeUnionAccessCheck : public ClangTidyCheck { 22 public: ProTypeUnionAccessCheck(StringRef Name,ClangTidyContext * Context)23 ProTypeUnionAccessCheck(StringRef Name, ClangTidyContext *Context) 24 : ClangTidyCheck(Name, Context) {} isLanguageVersionSupported(const LangOptions & LangOpts)25 bool isLanguageVersionSupported(const LangOptions &LangOpts) const override { 26 return LangOpts.CPlusPlus; 27 } 28 void registerMatchers(ast_matchers::MatchFinder *Finder) override; 29 void check(const ast_matchers::MatchFinder::MatchResult &Result) override; 30 }; 31 32 } // namespace clang::tidy::cppcoreguidelines 33 34 #endif // LLVM_CLANG_TOOLS_EXTRA_CLANG_TIDY_CPPCOREGUIDELINES_PRO_TYPE_UNION_ACCESS_H 35