clang-tools-extra/clang-tidy/readability/ContainerContainsCheck.h

   1 //===--- ContainerContainsCheck.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_READABILITY_CONTAINERCONTAINSCHECK_H
  10 #define LLVM_CLANG_TOOLS_EXTRA_CLANG_TIDY_READABILITY_CONTAINERCONTAINSCHECK_H
  11
  12 #include "../ClangTidyCheck.h"
  13
  14 namespace clang::tidy::readability {
  15
  16 /// Finds usages of `container.count()` and
  17 /// `container.find() == container.end()` which should be replaced by a call
  18 /// to the `container.contains()` method.
  19 ///
  20 /// For the user-facing documentation see:
  21 /// http://clang.llvm.org/extra/clang-tidy/checks/readability/container-contains.html
  22 class ContainerContainsCheck : public ClangTidyCheck {
  23 public:
  24   ContainerContainsCheck(StringRef Name, ClangTidyContext *Context)
  25       : ClangTidyCheck(Name, Context) {}
  26   void registerMatchers(ast_matchers::MatchFinder *Finder) final;
  27   void check(const ast_matchers::MatchFinder::MatchResult &Result) final;
  28   bool isLanguageVersionSupported(const LangOptions &LO) const final {
  29     return LO.CPlusPlus;
  30   }
  31   std::optional<TraversalKind> getCheckTraversalKind() const override {
  32     return TK_AsIs;
  33   }
  34 };
  35
  36 } // namespace clang::tidy::readability
  37
  38 #endif // LLVM_CLANG_TOOLS_EXTRA_CLANG_TIDY_READABILITY_CONTAINERCONTAINSCHECK_H