Olivier Deprez | f4ef2d0 | 2021-04-20 13:36:24 +0200 | [diff] [blame] | 1 | //===--- 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 | |
| 14 | namespace clang { |
| 15 | namespace tidy { |
| 16 | namespace 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>*`. |
| 29 | class UniqueptrResetReleaseCheck : public ClangTidyCheck { |
| 30 | public: |
| 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 |