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 #include "../utils/IncludeInserter.h" 14 15 namespace clang::tidy::misc { 16 17 /// Find and replace `unique_ptr::reset(release())` with `std::move()`. 18 /// 19 /// Example: 20 /// 21 /// \code 22 /// std::unique_ptr<Foo> x, y; 23 /// x.reset(y.release()); -> x = std::move(y); 24 /// \endcode 25 /// 26 /// If `y` is already rvalue, `std::move()` is not added. `x` and `y` can also 27 /// be `std::unique_ptr<Foo>*`. 28 class UniqueptrResetReleaseCheck : public ClangTidyCheck { 29 public: 30 UniqueptrResetReleaseCheck(StringRef Name, ClangTidyContext *Context); 31 isLanguageVersionSupported(const LangOptions & LangOpts)32 bool isLanguageVersionSupported(const LangOptions &LangOpts) const override { 33 // Only register the matchers for C++11; the functionality currently does 34 // not 35 // provide any benefit to other languages, despite being benign. 36 return LangOpts.CPlusPlus11; 37 } 38 void registerPPCallbacks(const SourceManager &SM, Preprocessor *PP, 39 Preprocessor *ModuleExpanderPP) override; 40 void registerMatchers(ast_matchers::MatchFinder *Finder) override; 41 void check(const ast_matchers::MatchFinder::MatchResult &Result) override; 42 void storeOptions(ClangTidyOptions::OptionMap &Opts) override; 43 44 private: 45 utils::IncludeInserter Inserter; 46 }; 47 48 } // namespace clang::tidy::misc 49 50 #endif // LLVM_CLANG_TOOLS_EXTRA_CLANG_TIDY_MISC_UNIQUEPTRRESETRELEASECHECK_H 51