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 {
15 namespace tidy {
16 namespace bugprone {
17 
18 /// Finds user-defined copy assignment operators which do not protect the code
19 /// against self-assignment either by checking self-assignment explicitly or
20 /// using the copy-and-swap or the copy-and-move method.
21 ///
22 /// For the user-facing documentation see:
23 /// http://clang.llvm.org/extra/clang-tidy/checks/bugprone-unhandled-self-assignment.html
24 class UnhandledSelfAssignmentCheck : public ClangTidyCheck {
25 public:
26   UnhandledSelfAssignmentCheck(StringRef Name, ClangTidyContext *Context);
27 
isLanguageVersionSupported(const LangOptions & LangOpts)28   bool isLanguageVersionSupported(const LangOptions &LangOpts) const override {
29     return LangOpts.CPlusPlus;
30   }
31   void storeOptions(ClangTidyOptions::OptionMap &Opts) override;
32   void registerMatchers(ast_matchers::MatchFinder *Finder) override;
33   void check(const ast_matchers::MatchFinder::MatchResult &Result) override;
34 
35 private:
36   const bool WarnOnlyIfThisHasSuspiciousField;
37 };
38 
39 } // namespace bugprone
40 } // namespace tidy
41 } // namespace clang
42 
43 #endif // LLVM_CLANG_TOOLS_EXTRA_CLANG_TIDY_BUGPRONE_UNHANDLEDSELFASSIGNMENTCHECK_H
44