clang-tidy/readability/ContainerContainsCheck.h

0001 //===--- ContainerContainsCheck.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_READABILITY_CONTAINERCONTAINSCHECK_H
0010 #define LLVM_CLANG_TOOLS_EXTRA_CLANG_TIDY_READABILITY_CONTAINERCONTAINSCHECK_H
0011
0012 #include "../ClangTidyCheck.h"
0013
0014 namespace clang::tidy::readability {
0015
0016 /// Finds usages of `container.count()` and
0017 /// `container.find() == container.end()` which should be replaced by a call
0018 /// to the `container.contains()` method.
0019 ///
0020 /// For the user-facing documentation see:
0021 /// http://clang.llvm.org/extra/clang-tidy/checks/readability/container-contains.html
0022 class ContainerContainsCheck : public ClangTidyCheck {
0023 public:
0024   ContainerContainsCheck(StringRef Name, ClangTidyContext *Context)
0025       : ClangTidyCheck(Name, Context) {}
0026   void registerMatchers(ast_matchers::MatchFinder *Finder) final;
0027   void check(const ast_matchers::MatchFinder::MatchResult &Result) final;
0028   bool isLanguageVersionSupported(const LangOptions &LO) const final {
0029     return LO.CPlusPlus;
0030   }
0031   std::optional<TraversalKind> getCheckTraversalKind() const override {
0032     return TK_AsIs;
0033   }
0034 };
0035
0036 } // namespace clang::tidy::readability
0037
0038 #endif // LLVM_CLANG_TOOLS_EXTRA_CLANG_TIDY_READABILITY_CONTAINERCONTAINSCHECK_H