clang-tools-extra/clang-tidy/performance/InefficientAlgorithmCheck.h

   1 //===--- InefficientAlgorithmCheck.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_PERFORMANCE_INEFFICIENTALGORITHMCHECK_H
  10 #define LLVM_CLANG_TOOLS_EXTRA_CLANG_TIDY_PERFORMANCE_INEFFICIENTALGORITHMCHECK_H
  11
  12 #include "../ClangTidyCheck.h"
  13
  14 namespace clang::tidy::performance {
  15
  16 /// Warns on inefficient use of STL algorithms on associative containers.
  17 ///
  18 /// Associative containers implements some of the algorithms as methods which
  19 /// should be preferred to the algorithms in the algorithm header. The methods
  20 /// can take advantage of the order of the elements.
  21 class InefficientAlgorithmCheck : public ClangTidyCheck {
  22 public:
  23   InefficientAlgorithmCheck(StringRef Name, ClangTidyContext *Context)
  24       : ClangTidyCheck(Name, Context) {}
  25   bool isLanguageVersionSupported(const LangOptions &LangOpts) const override {
  26     return LangOpts.CPlusPlus;
  27   }
  28   void registerMatchers(ast_matchers::MatchFinder *Finder) override;
  29   void check(const ast_matchers::MatchFinder::MatchResult &Result) override;
  30   std::optional<TraversalKind> getCheckTraversalKind() const override {
  31     return TK_IgnoreUnlessSpelledInSource;
  32   }
  33 };
  34
  35 } // namespace clang::tidy::performance
  36
  37 #endif // LLVM_CLANG_TOOLS_EXTRA_CLANG_TIDY_PERFORMANCE_INEFFICIENTALGORITHMCHECK_H