1 //===--- FasterStringFindCheck.h - clang-tidy--------------------*- C++ -*-===// 2 // 3 // The LLVM Compiler Infrastructure 4 // 5 // This file is distributed under the University of Illinois Open Source 6 // License. See LICENSE.TXT for details. 7 // 8 //===----------------------------------------------------------------------===// 9 10 #ifndef LLVM_CLANG_TOOLS_EXTRA_CLANG_TIDY_PERFORMANCE_FASTER_STRING_FIND_H 11 #define LLVM_CLANG_TOOLS_EXTRA_CLANG_TIDY_PERFORMANCE_FASTER_STRING_FIND_H 12 13 #include "../ClangTidy.h" 14 15 #include <string> 16 #include <vector> 17 18 namespace clang { 19 namespace tidy { 20 namespace performance { 21 22 /// Optimize calls to std::string::find() and friends when the needle passed is 23 /// a single character string literal. 24 /// The character literal overload is more efficient. 25 /// 26 /// For the user-facing documentation see: 27 /// http://clang.llvm.org/extra/clang-tidy/checks/performance-faster-string-find.html 28 class FasterStringFindCheck : public ClangTidyCheck { 29 public: 30 FasterStringFindCheck(StringRef Name, ClangTidyContext *Context); 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<std::string> StringLikeClasses; 37 }; 38 39 } // namespace performance 40 } // namespace tidy 41 } // namespace clang 42 43 #endif // LLVM_CLANG_TOOLS_EXTRA_CLANG_TIDY_PERFORMANCE_FASTER_STRING_FIND_H 44