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 {
  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:
  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:
  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