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 { 15 namespace tidy { 16 namespace misc { 17 18 /// Finds declarations of assignment operators with the wrong return and/or 19 /// argument types and definitions with good return type but wrong return 20 /// statements. 21 /// 22 /// * The return type must be `Class&`. 23 /// * Works with move-assign and assign by value. 24 /// * Private and deleted operators are ignored. 25 /// * The operator must always return ``*this``. 26 /// 27 /// For the user-facing documentation see: 28 /// http://clang.llvm.org/extra/clang-tidy/checks/misc-unconventional-assign-operator.html 29 class UnconventionalAssignOperatorCheck : public ClangTidyCheck { 30 public: UnconventionalAssignOperatorCheck(StringRef Name,ClangTidyContext * Context)31 UnconventionalAssignOperatorCheck(StringRef Name, ClangTidyContext *Context) 32 : ClangTidyCheck(Name, Context) {} isLanguageVersionSupported(const LangOptions & LangOpts)33 bool isLanguageVersionSupported(const LangOptions &LangOpts) const override { 34 return LangOpts.CPlusPlus; 35 } 36 void registerMatchers(ast_matchers::MatchFinder *Finder) override; 37 void check(const ast_matchers::MatchFinder::MatchResult &Result) override; 38 }; 39 40 } // namespace misc 41 } // namespace tidy 42 } // namespace clang 43 44 #endif // LLVM_CLANG_TOOLS_EXTRA_CLANG_TIDY_MISC_ASSIGNOPERATORSIGNATURECHECK_H 45