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

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5787807

Пользователь

Доманский Игорь Сергеевич

Время

22:38<< 16.11.2021 22:42 (27 д. 20:43) 22:46>>

Обработка

22:42 ... 22:42 (3,12 сек.)

Файл

5787807.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:8:  Do not indent within a namespace  [runtime/indentation_namespace] [4]
SmartPointer.hpp:18:  Do not indent within a namespace  [runtime/indentation_namespace] [4]
SmartPointer.hpp:25:  Line ends in whitespace.  Consider deleting these extra spaces.  [whitespace/end_of_line] [4]
SmartPointer.hpp:27:  If an else has a brace on one side, it should have it on both  [readability/braces] [5]
SmartPointer.hpp:41:  Line ends in whitespace.  Consider deleting these extra spaces.  [whitespace/end_of_line] [4]
SmartPointer.hpp:59:  Line ends in whitespace.  Consider deleting these extra spaces.  [whitespace/end_of_line] [4]
SmartPointer.hpp:83:  Line ends in whitespace.  Consider deleting these extra spaces.  [whitespace/end_of_line] [4]
SmartPointer.hpp:85:  If an else has a brace on one side, it should have it on both  [readability/braces] [5]
SmartPointer.hpp:95:  Line ends in whitespace.  Consider deleting these extra spaces.  [whitespace/end_of_line] [4]
SmartPointer.hpp:100:  Line ends in whitespace.  Consider deleting these extra spaces.  [whitespace/end_of_line] [4]
SmartPointer.hpp:103:  Redundant blank line at the end of a code block should be deleted.  [whitespace/blank_line] [3]
SmartPointer.hpp:107:  Line ends in whitespace.  Consider deleting these extra spaces.  [whitespace/end_of_line] [4]
SmartPointer.hpp:113:  Line ends in whitespace.  Consider deleting these extra spaces.  [whitespace/end_of_line] [4]
SmartPointer.hpp:125:  Using C-style cast.  Use reinterpret_cast<void*>(...) instead  [readability/casting] [4]
SmartPointer.hpp:132:  Using C-style cast.  Use reinterpret_cast<void*>(...) instead  [readability/casting] [4]
SmartPointer.hpp:139:  You don't need a ; after a }  [readability/braces] [4]
SmartPointer.hpp:138:  Else clause should never be on same line as else (use 2 lines)  [whitespace/newline] [4]
SmartPointer.hpp:147:  Single-parameter constructors should be marked explicit.  [runtime/explicit] [5]
SmartPointer.hpp:160:  Closing brace should be aligned with beginning of class SmartPointer  [whitespace/indent] [3]
SmartPointer.hpp:162:  Namespace should be terminated with "// namespace smart_pointer"  [readability/namespace] [5]
Done processing SmartPointer.hpp
Total errors found: 20

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≡

#pragma once

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

namespace smart_pointer {
    // `exception` class definition
    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* p = nullptr) {
                if (p == nullptr) 
                    core = nullptr;
                else {
                    core = new Core(p);
                }
            }

SmartPointer(const SmartPointer& other) : core(other.core) {
                if (other.core != nullptr) core->count++;
            }

SmartPointer(SmartPointer&& other) : core(other.core) {
                other = nullptr;
            }

SmartPointer& operator=(const SmartPointer& other) {
                if (&other == this) 
                    return *this;

if (core != nullptr) {
                    core->count -= 1;
                    if (core->count == 0) {
                        delete core;
                    }
                }
                core = other.core;
                if (other.core != nullptr) {
                    core->count++;
                }

return *this;
            }

SmartPointer& operator=(SmartPointer&& other) {
                if (&other == this) 
                    return *this;

if (core != nullptr) {
                    core->count -= 1;
                    if (core->count == 0) {
                        delete core;
                    }
                }

core = other.core;
                other.core = nullptr;

return *this;
            }

SmartPointer& operator=(value_type* p) {
                if (core != nullptr) {
                    core->count -= 1;
                    if (core->count == 0) {
                        delete core;
                    }
                }

if (p != nullptr) 
                    core = new Core(p);
                else {
                    core = nullptr;
                }
                return *this;
            }

~SmartPointer() {
            }

value_type& operator*() {
                if (core != nullptr) 
                    return *(core->p);
                throw smart_pointer::exception();
            }
            const value_type& operator*() const {
                if (core != nullptr) 
                    return *(core->p);
                throw smart_pointer::exception();

}

value_type* operator->() const {
                if (core != nullptr) 
                    return core->p;
                return nullptr;
            }

value_type* get() const {
                if (core != nullptr) 
                    return core->p;
                return nullptr;
            }

operator bool() const {
                return core != nullptr;
            }

template<typename U, typename AnotherAllocator>
            bool operator==(const SmartPointer<U,
                AnotherAllocator>& other) const {
                return ((void*)this->get() == (void*)other.get() ||
                    (!this && !other));
            }

template<typename U, typename AnotherAllocator>
            bool operator!=(const SmartPointer<U,
                AnotherAllocator>& other) const {
                return !((void*)this->get() == (void*)other.get() ||
                    (!this && !other));
            }

std::size_t count_owners() const {
                if (core == nullptr) return 0;
                else return core->count;
            };

private:
            class Core {
             public:
                value_type* p;
                std::size_t count;

Core(value_type* ptr) : p(ptr), count(1) {}

~Core() {
                    Allocator a;
                    a.deallocate(p, sizeof(value_type));
                    p = nullptr;
                }

value_type get() {
                    return *p;
                }
            };
            Core* core;
    };

}

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