1//===--- ShrinkToFitCheck.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_MODERNIZE_SHRINKTOFITCHECK_H
10#define LLVM_CLANG_TOOLS_EXTRA_CLANG_TIDY_MODERNIZE_SHRINKTOFITCHECK_H
11
12#include "../ClangTidyCheck.h"
13
14namespace clang::tidy::modernize {
15
16/// Replace copy and swap tricks on shrinkable containers with the
17/// `shrink_to_fit()` method call.
18///
19/// The `shrink_to_fit()` method is more readable and more effective than
20/// 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::modernize
37
38#endif // LLVM_CLANG_TOOLS_EXTRA_CLANG_TIDY_MODERNIZE_SHRINKTOFITCHECK_H
39

source code of clang-tools-extra/clang-tidy/modernize/ShrinkToFitCheck.h