1587deb45SJulie Hockett //===--- MultipleInheritanceCheck.h - clang-tidy-----------------*- C++ -*-===// 2587deb45SJulie Hockett // 32946cd70SChandler Carruth // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions. 42946cd70SChandler Carruth // See https://llvm.org/LICENSE.txt for license information. 52946cd70SChandler Carruth // SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception 6587deb45SJulie Hockett // 7587deb45SJulie Hockett //===----------------------------------------------------------------------===// 8587deb45SJulie Hockett 9587deb45SJulie Hockett #ifndef LLVM_CLANG_TOOLS_EXTRA_CLANG_TIDY_FUCHSIA_MULTIPLE_INHERITANCE_H 10587deb45SJulie Hockett #define LLVM_CLANG_TOOLS_EXTRA_CLANG_TIDY_FUCHSIA_MULTIPLE_INHERITANCE_H 11587deb45SJulie Hockett 12478fc5c8SAlexander Kornienko #include "../ClangTidyCheck.h" 13587deb45SJulie Hockett 14*4718da50SCarlos Galvez namespace clang::tidy::fuchsia { 15587deb45SJulie Hockett 16dd5571d5SKazuaki Ishizaki /// Multiple implementation inheritance is discouraged. 17587deb45SJulie Hockett /// 18587deb45SJulie Hockett /// For the user-facing documentation see: 196e566bc5SRichard /// http://clang.llvm.org/extra/clang-tidy/checks/fuchsia/multiple-inheritance.html 20587deb45SJulie Hockett class MultipleInheritanceCheck : public ClangTidyCheck { 21587deb45SJulie Hockett public: MultipleInheritanceCheck(StringRef Name,ClangTidyContext * Context)22587deb45SJulie Hockett MultipleInheritanceCheck(StringRef Name, ClangTidyContext *Context) 23587deb45SJulie Hockett : ClangTidyCheck(Name, Context) {} isLanguageVersionSupported(const LangOptions & LangOpts)24e40a742aSNathan James bool isLanguageVersionSupported(const LangOptions &LangOpts) const override { 25e40a742aSNathan James return LangOpts.CPlusPlus; 26e40a742aSNathan James } 27587deb45SJulie Hockett void registerMatchers(ast_matchers::MatchFinder *Finder) override; 28587deb45SJulie Hockett void check(const ast_matchers::MatchFinder::MatchResult &Result) override; 29587deb45SJulie Hockett onEndOfTranslationUnit()30587deb45SJulie Hockett void onEndOfTranslationUnit() override { InterfaceMap.clear(); } 31587deb45SJulie Hockett 32587deb45SJulie Hockett private: 33ade0662cSSalman Javed void addNodeToInterfaceMap(const CXXRecordDecl *Node, bool IsInterface); 34ade0662cSSalman Javed bool getInterfaceStatus(const CXXRecordDecl *Node, bool &IsInterface) const; 35587deb45SJulie Hockett bool isCurrentClassInterface(const CXXRecordDecl *Node) const; 36587deb45SJulie Hockett bool isInterface(const CXXRecordDecl *Node); 37587deb45SJulie Hockett 38587deb45SJulie Hockett // Contains the identity of each named CXXRecord as an interface. This is 39587deb45SJulie Hockett // used to memoize lookup speeds and improve performance from O(N^2) to O(N), 40587deb45SJulie Hockett // where N is the number of classes. 41587deb45SJulie Hockett llvm::StringMap<bool> InterfaceMap; 42587deb45SJulie Hockett }; 43587deb45SJulie Hockett 44*4718da50SCarlos Galvez } // namespace clang::tidy::fuchsia 45587deb45SJulie Hockett 46587deb45SJulie Hockett #endif // LLVM_CLANG_TOOLS_EXTRA_CLANG_TIDY_FUCHSIA_MULTIPLE_INHERITANCE_H 47