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 `find() == end()` which should be
17 /// replaced by a call to the `container.contains()` method introduced in C++20.
18 ///
19 /// For the user-facing documentation see:
20 /// http://clang.llvm.org/extra/clang-tidy/checks/readability/container-contains.html
21 class ContainerContainsCheck : public ClangTidyCheck {
22 public:
ContainerContainsCheck(StringRef Name,ClangTidyContext * Context)23   ContainerContainsCheck(StringRef Name, ClangTidyContext *Context)
24       : ClangTidyCheck(Name, Context) {}
25   void registerMatchers(ast_matchers::MatchFinder *Finder) final;
26   void check(const ast_matchers::MatchFinder::MatchResult &Result) final;
27 
28 protected:
isLanguageVersionSupported(const LangOptions & LO)29   bool isLanguageVersionSupported(const LangOptions &LO) const final {
30     return LO.CPlusPlus20;
31   }
32 };
33 
34 } // namespace clang::tidy::readability
35 
36 #endif // LLVM_CLANG_TOOLS_EXTRA_CLANG_TIDY_READABILITY_CONTAINERCONTAINSCHECK_H
37