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 39