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//===--- MultipleInheritanceCheck.h - clang-tidy-----------------*- C++ -*-===//
// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
// See for license information.
// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
#include "../ClangTidyCheck.h"
namespace clang {
namespace tidy {
namespace fuchsia {
/// Multiple implementation inheritance is discouraged.
/// For the user-facing documentation see:
class MultipleInheritanceCheck : public ClangTidyCheck {
MultipleInheritanceCheck(StringRef Name, ClangTidyContext *Context)
: ClangTidyCheck(Name, Context) {}
bool isLanguageVersionSupported(const LangOptions &LangOpts) const override {
return LangOpts.CPlusPlus;
void registerMatchers(ast_matchers::MatchFinder *Finder) override;
void check(const ast_matchers::MatchFinder::MatchResult &Result) override;
void onEndOfTranslationUnit() override { InterfaceMap.clear(); }
void addNodeToInterfaceMap(const CXXRecordDecl *Node, bool IsInterface);
bool getInterfaceStatus(const CXXRecordDecl *Node, bool &IsInterface) const;
bool isCurrentClassInterface(const CXXRecordDecl *Node) const;
bool isInterface(const CXXRecordDecl *Node);
// Contains the identity of each named CXXRecord as an interface. This is
// used to memoize lookup speeds and improve performance from O(N^2) to O(N),
// where N is the number of classes.
llvm::StringMap<bool> InterfaceMap;
} // namespace fuchsia
} // namespace tidy
} // namespace clang