1 //===--- UnhandledSelfAssignmentCheck.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_BUGPRONE_UNHANDLEDSELFASSIGNMENTCHECK_H
10 #define LLVM_CLANG_TOOLS_EXTRA_CLANG_TIDY_BUGPRONE_UNHANDLEDSELFASSIGNMENTCHECK_H
11 
12 #include "../ClangTidyCheck.h"
13 
14 namespace clang::tidy::bugprone {
15 
16 /// Finds user-defined copy assignment operators which do not protect the code
17 /// against self-assignment either by checking self-assignment explicitly or
18 /// using the copy-and-swap or the copy-and-move method.
19 ///
20 /// For the user-facing documentation see:
21 /// http://clang.llvm.org/extra/clang-tidy/checks/bugprone/unhandled-self-assignment.html
22 class UnhandledSelfAssignmentCheck : public ClangTidyCheck {
23 public:
24   UnhandledSelfAssignmentCheck(StringRef Name, ClangTidyContext *Context);
25 
isLanguageVersionSupported(const LangOptions & LangOpts)26   bool isLanguageVersionSupported(const LangOptions &LangOpts) const override {
27     return LangOpts.CPlusPlus;
28   }
29   void storeOptions(ClangTidyOptions::OptionMap &Opts) override;
30   void registerMatchers(ast_matchers::MatchFinder *Finder) override;
31   void check(const ast_matchers::MatchFinder::MatchResult &Result) override;
32 
33 private:
34   const bool WarnOnlyIfThisHasSuspiciousField;
35 };
36 
37 } // namespace clang::tidy::bugprone
38 
39 #endif // LLVM_CLANG_TOOLS_EXTRA_CLANG_TIDY_BUGPRONE_UNHANDLEDSELFASSIGNMENTCHECK_H
40