clang-tools-extra/clang-tidy/bugprone/UnhandledSelfAssignmentCheck.h

//===--- UnhandledSelfAssignmentCheck.h - clang-tidy ------------*- C++ -*-===//
//
// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
// See https://llvm.org/LICENSE.txt for license information.
// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
//
//===----------------------------------------------------------------------===//

#ifndef LLVM_CLANG_TOOLS_EXTRA_CLANG_TIDY_BUGPRONE_UNHANDLEDSELFASSIGNMENTCHECK_H
#define LLVM_CLANG_TOOLS_EXTRA_CLANG_TIDY_BUGPRONE_UNHANDLEDSELFASSIGNMENTCHECK_H

#include "../ClangTidyCheck.h"

namespace clang {
namespace tidy {
namespace bugprone {

/// Finds user-defined copy assignment operators which do not protect the code
/// against self-assignment either by checking self-assignment explicitly or
/// using the copy-and-swap or the copy-and-move method.
///
/// For the user-facing documentation see:
/// http://clang.llvm.org/extra/clang-tidy/checks/bugprone-unhandled-self-assignment.html
class UnhandledSelfAssignmentCheck : public ClangTidyCheck {
public:
  UnhandledSelfAssignmentCheck(StringRef Name, ClangTidyContext *Context);

  bool isLanguageVersionSupported(const LangOptions &LangOpts) const override {
    return LangOpts.CPlusPlus;
  }
  void storeOptions(ClangTidyOptions::OptionMap &Opts) override;
  void registerMatchers(ast_matchers::MatchFinder *Finder) override;
  void check(const ast_matchers::MatchFinder::MatchResult &Result) override;

private:
  const bool WarnOnlyIfThisHasSuspiciousField;
};

} // namespace bugprone
} // namespace tidy
} // namespace clang

#endif // LLVM_CLANG_TOOLS_EXTRA_CLANG_TIDY_BUGPRONE_UNHANDLEDSELFASSIGNMENTCHECK_H