clang-tidy/performance/InefficientAlgorithmCheck.h

0001 //===--- InefficientAlgorithmCheck.h - clang-tidy----------------*- C++ -*-===//
0002 //
0003 // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
0004 // See https://llvm.org/LICENSE.txt for license information.
0005 // SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
0006 //
0007 //===----------------------------------------------------------------------===//
0008
0009 #ifndef LLVM_CLANG_TOOLS_EXTRA_CLANG_TIDY_PERFORMANCE_INEFFICIENTALGORITHMCHECK_H
0010 #define LLVM_CLANG_TOOLS_EXTRA_CLANG_TIDY_PERFORMANCE_INEFFICIENTALGORITHMCHECK_H
0011
0012 #include "../ClangTidyCheck.h"
0013
0014 namespace clang::tidy::performance {
0015
0016 /// Warns on inefficient use of STL algorithms on associative containers.
0017 ///
0018 /// Associative containers implements some of the algorithms as methods which
0019 /// should be preferred to the algorithms in the algorithm header. The methods
0020 /// can take advantage of the order of the elements.
0021 class InefficientAlgorithmCheck : public ClangTidyCheck {
0022 public:
0023   InefficientAlgorithmCheck(StringRef Name, ClangTidyContext *Context)
0024       : ClangTidyCheck(Name, Context) {}
0025   bool isLanguageVersionSupported(const LangOptions &LangOpts) const override {
0026     return LangOpts.CPlusPlus;
0027   }
0028   void registerMatchers(ast_matchers::MatchFinder *Finder) override;
0029   void check(const ast_matchers::MatchFinder::MatchResult &Result) override;
0030   std::optional<TraversalKind> getCheckTraversalKind() const override {
0031     return TK_IgnoreUnlessSpelledInSource;
0032   }
0033 };
0034
0035 } // namespace clang::tidy::performance
0036
0037 #endif // LLVM_CLANG_TOOLS_EXTRA_CLANG_TIDY_PERFORMANCE_INEFFICIENTALGORITHMCHECK_H