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Olivier Deprezf4ef2d02021-04-20 13:36:24 +02001//===--- UniqueptrResetReleaseCheck.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_MISC_UNIQUEPTRRESETRELEASECHECK_H
10#define LLVM_CLANG_TOOLS_EXTRA_CLANG_TIDY_MISC_UNIQUEPTRRESETRELEASECHECK_H
11
12#include "../ClangTidyCheck.h"
13
14namespace clang {
15namespace tidy {
16namespace misc {
17
18/// Find and replace `unique_ptr::reset(release())` with `std::move()`.
19///
20/// Example:
21///
22/// \code
23/// std::unique_ptr<Foo> x, y;
24/// x.reset(y.release()); -> x = std::move(y);
25/// \endcode
26///
27/// If `y` is already rvalue, `std::move()` is not added. `x` and `y` can also
28/// be `std::unique_ptr<Foo>*`.
29class UniqueptrResetReleaseCheck : public ClangTidyCheck {
30public:
31 UniqueptrResetReleaseCheck(StringRef Name, ClangTidyContext *Context)
32 : ClangTidyCheck(Name, Context) {}
33
34 bool isLanguageVersionSupported(const LangOptions &LangOpts) const override {
35 // Only register the matchers for C++11; the functionality currently does
36 // not
37 // provide any benefit to other languages, despite being benign.
38 return LangOpts.CPlusPlus11;
39 }
40 void registerMatchers(ast_matchers::MatchFinder *Finder) override;
41 void check(const ast_matchers::MatchFinder::MatchResult &Result) override;
42};
43
44} // namespace misc
45} // namespace tidy
46} // namespace clang
47
48#endif // LLVM_CLANG_TOOLS_EXTRA_CLANG_TIDY_MISC_UNIQUEPTRRESETRELEASECHECK_H