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 {
15 namespace tidy {
16 namespace readability {
17 
18 /// Finds usages of `container.count()` and `find() == end()` which should be
19 /// replaced by a call to the `container.contains()` method introduced in C++20.
20 ///
21 /// For the user-facing documentation see:
22 /// http://clang.llvm.org/extra/clang-tidy/checks/readability/container-contains.html
23 class ContainerContainsCheck : public ClangTidyCheck {
24 public:
ContainerContainsCheck(StringRef Name,ClangTidyContext * Context)25   ContainerContainsCheck(StringRef Name, ClangTidyContext *Context)
26       : ClangTidyCheck(Name, Context) {}
27   void registerMatchers(ast_matchers::MatchFinder *Finder) final;
28   void check(const ast_matchers::MatchFinder::MatchResult &Result) final;
29 
30 protected:
isLanguageVersionSupported(const LangOptions & LO)31   bool isLanguageVersionSupported(const LangOptions &LO) const final {
32     return LO.CPlusPlus20;
33   }
34 };
35 
36 } // namespace readability
37 } // namespace tidy
38 } // namespace clang
39 
40 #endif // LLVM_CLANG_TOOLS_EXTRA_CLANG_TIDY_READABILITY_CONTAINERCONTAINSCHECK_H
41