1 //===--- UnconventionalAssignOperatorCheck.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_MISC_ASSIGNOPERATORSIGNATURECHECK_H 10 #define LLVM_CLANG_TOOLS_EXTRA_CLANG_TIDY_MISC_ASSIGNOPERATORSIGNATURECHECK_H 11 12 #include "../ClangTidyCheck.h" 13 14 namespace clang::tidy::misc { 15 16 /// Finds declarations of assignment operators with the wrong return and/or 17 /// argument types and definitions with good return type but wrong return 18 /// statements. 19 /// 20 /// * The return type must be `Class&`. 21 /// * Works with move-assign and assign by value. 22 /// * Private and deleted operators are ignored. 23 /// * The operator must always return ``*this``. 24 /// 25 /// For the user-facing documentation see: 26 /// http://clang.llvm.org/extra/clang-tidy/checks/misc/unconventional-assign-operator.html 27 class UnconventionalAssignOperatorCheck : public ClangTidyCheck { 28 public: UnconventionalAssignOperatorCheck(StringRef Name,ClangTidyContext * Context)29 UnconventionalAssignOperatorCheck(StringRef Name, ClangTidyContext *Context) 30 : ClangTidyCheck(Name, Context) {} isLanguageVersionSupported(const LangOptions & LangOpts)31 bool isLanguageVersionSupported(const LangOptions &LangOpts) const override { 32 return LangOpts.CPlusPlus; 33 } 34 void registerMatchers(ast_matchers::MatchFinder *Finder) override; 35 void check(const ast_matchers::MatchFinder::MatchResult &Result) override; 36 }; 37 38 } // namespace clang::tidy::misc 39 40 #endif // LLVM_CLANG_TOOLS_EXTRA_CLANG_TIDY_MISC_ASSIGNOPERATORSIGNATURECHECK_H 41