clang-tidy/bugprone/UnhandledSelfAssignmentCheck.h

0001 //===--- UnhandledSelfAssignmentCheck.h - clang-tidy ------------*- C++ -*-===//
0002 //
0003 // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
0004 // See https://llvm.org/LICENSE.txt for license information.
0005 // SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
0006 //
0007 //===----------------------------------------------------------------------===//
0008
0009 #ifndef LLVM_CLANG_TOOLS_EXTRA_CLANG_TIDY_BUGPRONE_UNHANDLEDSELFASSIGNMENTCHECK_H
0010 #define LLVM_CLANG_TOOLS_EXTRA_CLANG_TIDY_BUGPRONE_UNHANDLEDSELFASSIGNMENTCHECK_H
0011
0012 #include "../ClangTidyCheck.h"
0013
0014 namespace clang::tidy::bugprone {
0015
0016 /// Finds user-defined copy assignment operators which do not protect the code
0017 /// against self-assignment either by checking self-assignment explicitly or
0018 /// using the copy-and-swap or the copy-and-move method.
0019 ///
0020 /// For the user-facing documentation see:
0021 /// http://clang.llvm.org/extra/clang-tidy/checks/bugprone/unhandled-self-assignment.html
0022 class UnhandledSelfAssignmentCheck : public ClangTidyCheck {
0023 public:
0024   UnhandledSelfAssignmentCheck(StringRef Name, ClangTidyContext *Context);
0025
0026   bool isLanguageVersionSupported(const LangOptions &LangOpts) const override {
0027     return LangOpts.CPlusPlus;
0028   }
0029   void storeOptions(ClangTidyOptions::OptionMap &Opts) override;
0030   void registerMatchers(ast_matchers::MatchFinder *Finder) override;
0031   void check(const ast_matchers::MatchFinder::MatchResult &Result) override;
0032
0033 private:
0034   const bool WarnOnlyIfThisHasSuspiciousField;
0035 };
0036
0037 } // namespace clang::tidy::bugprone
0038
0039 #endif // LLVM_CLANG_TOOLS_EXTRA_CLANG_TIDY_BUGPRONE_UNHANDLEDSELFASSIGNMENTCHECK_H