2 курс. Программирование на C++. Турнир 2, осень 2021

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5769693

Пользователь

Корягин Роман Сергеевич

Время

13:36<< 14.11.2021 13:38 (25 д. 11:38) 13:58>>

Обработка

13:38 ... 13:38 (2,62 сек.)

Файл

5769693.cpp (CLang++ 5.0.0 + Address Sanitizer)

Турнир

2 курс. Программирование на C++. Турнир 2, осень 2021

Задача

C: Smart Pointer

Набор тестов

Ограничения

Время: 25с Память: 512Мб

Состояние [?]

LI	Ошибка проверки исходного кода

код | результаты

SmartPointer.hpp:6:  Do not indent within a namespace  [runtime/indentation_namespace] [4]
SmartPointer.hpp:11:  Do not indent within a namespace  [runtime/indentation_namespace] [4]
SmartPointer.hpp:13:  Line ends in whitespace.  Consider deleting these extra spaces.  [whitespace/end_of_line] [4]
SmartPointer.hpp:103:  Lines should be <= 80 characters long  [whitespace/line_length] [2]
SmartPointer.hpp:108:  Lines should be <= 80 characters long  [whitespace/line_length] [2]
SmartPointer.hpp:119:  Line ends in whitespace.  Consider deleting these extra spaces.  [whitespace/end_of_line] [4]
SmartPointer.hpp:125:  Line ends in whitespace.  Consider deleting these extra spaces.  [whitespace/end_of_line] [4]
SmartPointer.hpp:128:  Line ends in whitespace.  Consider deleting these extra spaces.  [whitespace/end_of_line] [4]
SmartPointer.hpp:129:  Lines should be <= 80 characters long  [whitespace/line_length] [2]
SmartPointer.hpp:131:  Line ends in whitespace.  Consider deleting these extra spaces.  [whitespace/end_of_line] [4]
SmartPointer.hpp:5:  Failed to find complete declaration of namespace smart_pointer  [build/namespaces] [5]
SmartPointer.hpp:11:  Failed to find complete declaration of class SmartPointer  [build/class] [5]
Done processing SmartPointer.hpp
Total errors found: 12

[печатать | | ]

≡

#pragma once
#include <memory>
#include "Test.hpp"

namespace smart_pointer {
    class exception : std::exception {
    using base_class = std::exception;
    using base_class::base_class;
    };
    template <typename T, typename Allocator>
        class SmartPointer {
        ENABLE_CLASS_TESTS;
        
         public:
        using value_type = T;
        explicit SmartPointer(value_type* x = nullptr) {
        if (x == nullptr) {
        this->core = nullptr;
        } else {
        this->core = new Core(x, 1);
        }
        }
        SmartPointer(const SmartPointer& x) {
        if (x.core != nullptr) {
        this->core->ref_count++;
        }
        this->core = x.core;
        }
        SmartPointer(SmartPointer&& x) {
        this->core = x.core;
        x.core = nullptr;
        }
        SmartPointer& operator=(const SmartPointer& x) {
        if (this->core != nullptr) {
        this->core->ref_count--;
        if (this->core->ref_count == 0) {
        delete (this->core);
        this->core = x.core;
        if (x.core != nullptr) {
        this->core->ref_count++;
        }
        return *this;
        }
        SmartPointer& operator=(SmartPointer&& x) {
        if (this->core != nullptr) {
        this->core->ref_count--;
        if (this->core->ref_count == 0) {
        delete (this->core);
        this->core = x.core;
        x.core = nullptr;
        return *this;
        }
        SmartPointer& operator=(value_type* x) {
        if (this->core != nullptr) {
        this->core->ref_count--;
        if (this->core->ref_count == 0) {
        delete (this->core);
        if (x != nullptr) {
        this->core = new Core(x, 1);
        } else {
        this->core = nullptr;
        }
        return *this;
        }
        ~SmartPointer() {
        if (this->core != nullptr) {
        this->core->ref_count--;
        if (this->core->ref_count == 0) {
        delete (this->core);
        }
        }
        }
        value_type& operator*() {
        if (this->core == nullptr) {
        throw smart_pointer::exception();
        } else {
        return *(this->core->ptr);
        }
        }
        const value_type& operator*() const {
        if (this->core == nullptr) {
        throw smart_pointer::exception();
        } else {
        return *(this->core->ptr);
        }
        }
        value_type* operator->() const {
        if (this->core == nullptr) {
        return nullptr;
        } else {
        return core->ptr;
        }
        }
        value_type* get() const {
        if (this->core == nullptr) {
        return nullptr;
        } else {
        return this->core->ptr;
        }
        }
        operator bool() const { return this->core != nullptr; }
        template <typename U, typename AnotherAllocator>
        bool operator==(const SmartPointer<U, AnotherAllocator>& pointer) const {
        return static_cast<void*>(this->get()) ==
        static_cast<void*>(pointer.get());
        }
        template <typename U, typename AnotherAllocator>
        bool operator!=(const SmartPointer<U, AnotherAllocator>& pointer) const {
        return static_cast<void*>(this->get()) !=
        static_cast<void*>(pointer.get());
        }
        std::size_t count_owners() const {
        if (this->core != nullptr) {
        return this->core->ref_count;
        } else {
        return 0;
        }
        }
        
         private:
        class Core {
         public:
        size_t ref_count;
        value_type* ptr;
        
        Core() {
        }
        
        Core(value_type* ptr, size_t ref_count) : ptr(ptr), ref_count(ref_count) {
        }
        
        ~Core() {
        Allocator allocator;
        allocator.deallocate(ptr, sizeof(value_type));
        this->ptr = nullptr;
        }
        }
        Core* core;
    }
}  // namespace smart_pointer

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