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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_MODERNIZE_SHRINKTOFITCHECK_H10#define LLVM_CLANG_TOOLS_EXTRA_CLANG_TIDY_MODERNIZE_SHRINKTOFITCHECK_H11 12#include "../ClangTidyCheck.h"13 14namespace clang::tidy::modernize {15 16/// Replace copy and swap tricks on shrinkable containers with the17/// `shrink_to_fit()` method call.18///19/// The `shrink_to_fit()` method is more readable and more effective than20/// the copy and swap trick to reduce the capacity of a shrinkable container.21/// Note that, the `shrink_to_fit()` method is only available in C++11 and up.22class ShrinkToFitCheck : public ClangTidyCheck {23public:24 ShrinkToFitCheck(StringRef Name, ClangTidyContext *Context)25 : ClangTidyCheck(Name, Context) {}26 bool isLanguageVersionSupported(const LangOptions &LangOpts) const override {27 return LangOpts.CPlusPlus11;28 }29 void registerMatchers(ast_matchers::MatchFinder *Finder) override;30 void check(const ast_matchers::MatchFinder::MatchResult &Result) override;31 std::optional<TraversalKind> getCheckTraversalKind() const override {32 return TK_IgnoreUnlessSpelledInSource;33 }34};35 36} // namespace clang::tidy::modernize37 38#endif // LLVM_CLANG_TOOLS_EXTRA_CLANG_TIDY_MODERNIZE_SHRINKTOFITCHECK_H39