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: UniqueptrResetReleaseCheck(StringRef Name,ClangTidyContext * Context)31 UniqueptrResetReleaseCheck(StringRef Name, ClangTidyContext *Context) 32 : ClangTidyCheck(Name, Context) {} 33 isLanguageVersionSupported(const LangOptions & LangOpts)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 49