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

   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
  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