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
17namespace 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
25class FasterStringFindCheck : public ClangTidyCheck {
26public:
27 FasterStringFindCheck(StringRef Name, ClangTidyContext *Context);
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
35private:
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

source code of clang-tools-extra/clang-tidy/performance/FasterStringFindCheck.h