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 
14 namespace clang {
15 namespace tidy {
16 namespace modernize {
17 
18 /// Replace copy and swap tricks on shrinkable containers with the
19 /// `shrink_to_fit()` method call.
20 ///
21 /// The `shrink_to_fit()` method is more readable and more effective than
22 /// the copy and swap trick to reduce the capacity of a shrinkable container.
23 /// Note that, the `shrink_to_fit()` method is only available in C++11 and up.
24 class ShrinkToFitCheck : public ClangTidyCheck {
25 public:
ShrinkToFitCheck(StringRef Name,ClangTidyContext * Context)26   ShrinkToFitCheck(StringRef Name, ClangTidyContext *Context)
27       : ClangTidyCheck(Name, Context) {}
isLanguageVersionSupported(const LangOptions & LangOpts)28   bool isLanguageVersionSupported(const LangOptions &LangOpts) const override {
29     return LangOpts.CPlusPlus11;
30   }
31   void registerMatchers(ast_matchers::MatchFinder *Finder) override;
32   void check(const ast_matchers::MatchFinder::MatchResult &Result) override;
33 };
34 
35 } // namespace modernize
36 } // namespace tidy
37 } // namespace clang
38 
39 #endif // LLVM_CLANG_TOOLS_EXTRA_CLANG_TIDY_MODERNIZE_SHRINKTOFITCHECK_H
40