1 //===--- FasterStringFindCheck.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_FASTER_STRING_FIND_H 10 #define LLVM_CLANG_TOOLS_EXTRA_CLANG_TIDY_PERFORMANCE_FASTER_STRING_FIND_H 11 12 #include "../ClangTidyCheck.h" 13 14 #include <string> 15 #include <vector> 16 17 namespace clang::tidy::performance { 18 19 /// Optimize calls to std::string::find() and friends when the needle passed is 20 /// a single character string literal. 21 /// The character literal overload is more efficient. 22 /// 23 /// For the user-facing documentation see: 24 /// http://clang.llvm.org/extra/clang-tidy/checks/performance/faster-string-find.html 25 class FasterStringFindCheck : public ClangTidyCheck { 26 public: 27 FasterStringFindCheck(StringRef Name, ClangTidyContext *Context); isLanguageVersionSupported(const LangOptions & LangOpts)28 bool isLanguageVersionSupported(const LangOptions &LangOpts) const override{ 29 return LangOpts.CPlusPlus; 30 } 31 void registerMatchers(ast_matchers::MatchFinder *Finder) override; 32 void check(const ast_matchers::MatchFinder::MatchResult &Result) override; 33 void storeOptions(ClangTidyOptions::OptionMap &Opts) override; 34 35 private: 36 const std::vector<StringRef> StringLikeClasses; 37 }; 38 39 } // namespace clang::tidy::performance 40 41 #endif // LLVM_CLANG_TOOLS_EXTRA_CLANG_TIDY_PERFORMANCE_FASTER_STRING_FIND_H 42