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1//===----------------------------------------------------------------------===//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-exception6//7//===----------------------------------------------------------------------===//8 9#ifndef LLVM_CLANG_TOOLS_EXTRA_CLANG_TIDY_PERFORMANCE_INEFFICIENTSTRINGCONCATENATIONCHECK_H10#define LLVM_CLANG_TOOLS_EXTRA_CLANG_TIDY_PERFORMANCE_INEFFICIENTSTRINGCONCATENATIONCHECK_H11 12#include "../ClangTidyCheck.h"13 14namespace clang::tidy::performance {15 16/// This check is to warn about the performance overhead arising from17/// concatenating strings, using the operator+, instead of operator+=.18///19/// For the user-facing documentation see:20/// https://clang.llvm.org/extra/clang-tidy/checks/performance/inefficient-string-concatenation.html21class InefficientStringConcatenationCheck : public ClangTidyCheck {22public:23 InefficientStringConcatenationCheck(StringRef Name,24 ClangTidyContext *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 void storeOptions(ClangTidyOptions::OptionMap &Opts) override;31 32private:33 const bool StrictMode;34};35 36} // namespace clang::tidy::performance37 38#endif // LLVM_CLANG_TOOLS_EXTRA_CLANG_TIDY_PERFORMANCE_INEFFICIENTSTRINGCONCATENATIONCHECK_H39