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

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5982388

Пользователь

Борцов Роман Александрович

Время

17:17<< 14.01.2022 17:23 (0:19) 17:26>>

Обработка

17:23 ... 17:23 (7,18 сек.)

Файл

5982388.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 [?]

CE	Ошибка компиляции

код | результаты

main.cpp:4:2: error: #error ":("
 #error ":("
  ^~~~~
In file included from SmartPointer.hpp:4:0,
                 from main.cpp:2:
Test_SmartPointer.hpp: In function 'void test::test(const string&) [with __TEST_CLASSNAME__ = smart_pointer::SmartPointer<float, std::allocator<float> >; std::__cxx11::string = std::__cxx11::basic_string<char>]':
Test_SmartPointer.hpp:99:77: error: 'core' is not a member of 'SmartPointer__type_t {aka smart_pointer::SmartPointer<float, std::allocator<float> >}'
         ASSERT(sizeof(SmartPointer__type_t) == sizeof(SmartPointer__type_t::core));
                                                                             ^
Test.hpp:39:28: note: in definition of macro 'ASSERT'
     if (!static_cast<bool>(EXPR)) { \
                            ^~~~
Test_SmartPointer.hpp:104:21: error: 'using SmartPointer__type_t = class smart_pointer::SmartPointer<float, std::allocator<float> > {aka class smart_pointer::SmartPointer<float, std::allocator<float> >}' has no member named 'core'; did you mean 'Core'?
         ASSERT(sptr.core == nullptr);
                     ^
Test.hpp:39:28: note: in definition of macro 'ASSERT'
     if (!static_cast<bool>(EXPR)) { \
                            ^~~~
Test_SmartPointer.hpp:110:21: error: 'using SmartPointer__type_t = class smart_pointer::SmartPointer<float, std::allocator<float> > {aka class smart_pointer::SmartPointer<float, std::allocator<float> >}' has no member named 'core'; did you mean 'Core'?
         ASSERT(sptr.core != nullptr);
                     ^
Test.hpp:39:28: note: in definition of macro 'ASSERT'
     if (!static_cast<bool>(EXPR)) { \
                            ^~~~
Test_SmartPointer.hpp:115:22: error: 'using SmartPointer__type_t = class smart_pointer::SmartPointer<float, std::allocator<float> > {aka class smart_pointer::SmartPointer<float, std::allocator<float> >}' has no member named 'core'; did you mean 'Core'?
         ASSERT(sptr2.core == nullptr);
                      ^
Test.hpp:39:28: note: in definition of macro 'ASSERT'
     if (!static_cast<bool>(EXPR)) { \
                            ^~~~
Test_SmartPointer.hpp:120:22: error: 'using SmartPointer__type_t = class smart_pointer::SmartPointer<float, std::allocator<float> > {aka class smart_pointer::SmartPointer<float, std::allocator<float> >}' has no member named 'core'; did you mean 'Core'?
         ASSERT(sptr1.core != nullptr);
                      ^
Test.hpp:39:28: note: in definition of macro 'ASSERT'
     if (!static_cast<bool>(EXPR)) { \
                            ^~~~
Test_SmartPointer.hpp:121:22: error: 'using SmartPointer__type_t = class smart_pointer::SmartPointer<float, std::allocator<float> > {aka class smart_pointer::SmartPointer<float, std::allocator<float> >}' has no member named 'core'; did you mean 'Core'?
         ASSERT(sptr2.core == sptr1.core);
                      ^
Test.hpp:39:28: note: in definition of macro 'ASSERT'
     if (!static_cast<bool>(EXPR)) { \
                            ^~~~
Test_SmartPointer.hpp:121:36: error: 'using SmartPointer__type_t = class smart_pointer::SmartPointer<float, std::allocator<float> > {aka class smart_pointer::SmartPointer<float, std::allocator<float> >}' has no member named 'core'; did you mean 'Core'?
         ASSERT(sptr2.core == sptr1.core);
                                    ^
Test.hpp:39:28: note: in definition of macro 'ASSERT'
     if (!static_cast<bool>(EXPR)) { \
                            ^~~~
Test_SmartPointer.hpp:126:22: error: 'using SmartPointer__type_t = class smart_pointer::SmartPointer<float, std::allocator<float> > {aka class smart_pointer::SmartPointer<float, std::allocator<float> >}' has no member named 'core'; did you mean 'Core'?
         ASSERT(sptr1.core == nullptr);
                      ^
Test.hpp:39:28: note: in definition of macro 'ASSERT'
     if (!static_cast<bool>(EXPR)) { \
                            ^~~~
Test_SmartPointer.hpp:127:22: error: 'using SmartPointer__type_t = class smart_pointer::SmartPointer<float, std::allocator<float> > {aka class smart_pointer::SmartPointer<float, std::allocator<float> >}' has no member named 'core'; did you mean 'Core'?
         ASSERT(sptr2.core == nullptr);
                      ^
Test.hpp:39:28: note: in definition of macro 'ASSERT'
     if (!static_cast<bool>(EXPR)) { \
                            ^~~~
Test_SmartPointer.hpp:133:22: error: 'using SmartPointer__type_t = class smart_pointer::SmartPointer<float, std::allocator<float> > {aka class smart_pointer::SmartPointer<float, std::allocator<float> >}' has no member named 'core'; did you mean 'Core'?
         ASSERT(sptr1.core == nullptr);
                      ^
Test.hpp:39:28: note: in definition of macro 'ASSERT'
     if (!static_cast<bool>(EXPR)) { \
                            ^~~~
Test_SmartPointer.hpp:134:22: error: 'using SmartPointer__type_t = class smart_pointer::SmartPointer<float, std::allocator<float> > {aka class smart_pointer::SmartPointer<float, std::allocator<float> >}' has no member named 'core'; did you mean 'Core'?
         ASSERT(sptr2.core != nullptr);
                      ^
Test.hpp:39:28: note: in definition of macro 'ASSERT'
     if (!static_cast<bool>(EXPR)) { \
                            ^~~~
Test_SmartPointer.hpp:140:22: error: 'using SmartPointer__type_t = class smart_pointer::SmartPointer<float, std::allocator<float> > {aka class smart_pointer::SmartPointer<float, std::allocator<float> >}' has no member named 'core'; did you mean 'Core'?
         ASSERT(sptr1.core == nullptr);
                      ^
Test.hpp:39:28: note: in definition of macro 'ASSERT'
     if (!static_cast<bool>(EXPR)) { \
                            ^~~~
Test_SmartPointer.hpp:141:22: error: 'using SmartPointer__type_t = class smart_pointer::SmartPointer<float, std::allocator<float> > {aka class smart_pointer::SmartPointer<float, std::allocator<float> >}' has no member named 'core'; did you mean 'Core'?
         ASSERT(sptr2.core == nullptr);
                      ^
Test.hpp:39:28: note: in definition of macro 'ASSERT'
     if (!static_cast<bool>(EXPR)) { \
                            ^~~~
Test_SmartPointer.hpp:148:22: error: 'using SmartPointer__type_t = class smart_pointer::SmartPointer<float, std::allocator<float> > {aka class smart_pointer::SmartPointer<float, std::allocator<float> >}' has no member named 'core'; did you mean 'Core'?
         ASSERT(sptr1.core == nullptr);
                      ^
Test.hpp:39:28: note: in definition of macro 'ASSERT'
     if (!static_cast<bool>(EXPR)) { \
                            ^~~~
Test_SmartPointer.hpp:149:22: error: 'using SmartPointer__type_t = class smart_pointer::SmartPointer<float, std::allocator<float> > {aka class smart_pointer::SmartPointer<float, std::allocator<float> >}' has no member named 'core'; did you mean 'Core'?
         ASSERT(sptr2.core == nullptr);
                      ^
Test.hpp:39:28: note: in definition of macro 'ASSERT'
     if (!static_cast<bool>(EXPR)) { \
                            ^~~~
Test_SmartPointer.hpp:156:22: error: 'using SmartPointer__type_t = class smart_pointer::SmartPointer<float, std::allocator<float> > {aka class smart_pointer::SmartPointer<float, std::allocator<float> >}' has no member named 'core'; did you mean 'Core'?
         ASSERT(sptr1.core != nullptr);
                      ^
Test.hpp:39:28: note: in definition of macro 'ASSERT'
     if (!static_cast<bool>(EXPR)) { \
                            ^~~~
Test_SmartPointer.hpp:157:22: error: 'using SmartPointer__type_t = class smart_pointer::SmartPointer<float, std::allocator<float> > {aka class smart_pointer::SmartPointer<float, std::allocator<float> >}' has no member named 'core'; did you mean 'Core'?
         ASSERT(sptr2.core == sptr1.core);
                      ^
Test.hpp:39:28: note: in definition of macro 'ASSERT'
     if (!static_cast<bool>(EXPR)) { \
                            ^~~~
Test_SmartPointer.hpp:157:36: error: 'using SmartPointer__type_t = class smart_pointer::SmartPointer<float, std::allocator<float> > {aka class smart_pointer::SmartPointer<float, std::allocator<float> >}' has no member named 'core'; did you mean 'Core'?
         ASSERT(sptr2.core == sptr1.core);
                                    ^
Test.hpp:39:28: note: in definition of macro 'ASSERT'
     if (!static_cast<bool>(EXPR)) { \
                            ^~~~
Test_SmartPointer.hpp:165:22: error: 'using SmartPointer__type_t = class smart_pointer::SmartPointer<float, std::allocator<float> > {aka class smart_pointer::SmartPointer<float, std::allocator<float> >}' has no member named 'core'; did you mean 'Core'?
         ASSERT(sptr1.core != nullptr);
                      ^
Test.hpp:39:28: note: in definition of macro 'ASSERT'
     if (!static_cast<bool>(EXPR)) { \
                            ^~~~
Test_SmartPointer.hpp:166:22: error: 'using SmartPointer__type_t = class smart_pointer::SmartPointer<float, std::allocator<float> > {aka class smart_pointer::SmartPointer<float, std::allocator<float> >}' has no member named 'core'; did you mean 'Core'?
         ASSERT(sptr2.core == sptr1.core);
                      ^
Test.hpp:39:28: note: in definition of macro 'ASSERT'
     if (!static_cast<bool>(EXPR)) { \
                            ^~~~
Test_SmartPointer.hpp:166:36: error: 'using SmartPointer__type_t = class smart_pointer::SmartPointer<float, std::allocator<float> > {aka class smart_pointer::SmartPointer<float, std::allocator<float> >}' has no member named 'core'; did you mean 'Core'?
         ASSERT(sptr2.core == sptr1.core);
                                    ^
Test.hpp:39:28: note: in definition of macro 'ASSERT'
     if (!static_cast<bool>(EXPR)) { \
                            ^~~~
Test_SmartPointer.hpp:179:22: error: 'using SmartPointer__type_t = class smart_pointer::SmartPointer<float, std::allocator<float> > {aka class smart_pointer::SmartPointer<float, std::allocator<float> >}' has no member named 'core'; did you mean 'Core'?
         ASSERT(sptr1.core != nullptr);
                      ^
Test.hpp:39:28: note: in definition of macro 'ASSERT'
     if (!static_cast<bool>(EXPR)) { \
                            ^~~~
Test_SmartPointer.hpp:180:22: error: 'using SmartPointer__type_t = class smart_pointer::SmartPointer<float, std::allocator<float> > {aka class smart_pointer::SmartPointer<float, std::allocator<float> >}' has no member named 'core'; did you mean 'Core'?
         ASSERT(sptr2.core == sptr1.core);
                      ^
Test.hpp:39:28: note: in definition of macro 'ASSERT'
     if (!static_cast<bool>(EXPR)) { \
                            ^~~~
Test_SmartPointer.hpp:180:36: error: 'using SmartPointer__type_t = class smart_pointer::SmartPointer<float, std::allocator<float> > {aka class smart_pointer::SmartPointer<float, std::allocator<float> >}' has no member named 'core'; did you mean 'Core'?
         ASSERT(sptr2.core == sptr1.core);
                                    ^
Test.hpp:39:28: note: in definition of macro 'ASSERT'
     if (!static_cast<bool>(EXPR)) { \
                            ^~~~
Test_SmartPointer.hpp:188:22: error: 'using SmartPointer__type_t = class smart_pointer::SmartPointer<float, std::allocator<float> > {aka class smart_pointer::SmartPointer<float, std::allocator<float> >}' has no member named 'core'; did you mean 'Core'?
         ASSERT(sptr1.core == nullptr);
                      ^
Test.hpp:39:28: note: in definition of macro 'ASSERT'
     if (!static_cast<bool>(EXPR)) { \
                            ^~~~
Test_SmartPointer.hpp:189:22: error: 'using SmartPointer__type_t = class smart_pointer::SmartPointer<float, std::allocator<float> > {aka class smart_pointer::SmartPointer<float, std::allocator<float> >}' has no member named 'core'; did you mean 'Core'?
         ASSERT(sptr2.core != nullptr);
                      ^
Test.hpp:39:28: note: in definition of macro 'ASSERT'
     if (!static_cast<bool>(EXPR)) { \
                            ^~~~
Test_SmartPointer.hpp:195:21: error: 'using SmartPointer__type_t = class smart_pointer::SmartPointer<float, std::allocator<float> > {aka class smart_pointer::SmartPointer<float, std::allocator<float> >}' has no member named 'core'; did you mean 'Core'?
         ASSERT(sptr.core == nullptr);
                     ^
Test.hpp:39:28: note: in definition of macro 'ASSERT'
     if (!static_cast<bool>(EXPR)) { \
                            ^~~~
Test_SmartPointer.hpp:201:21: error: 'using SmartPointer__type_t = class smart_pointer::SmartPointer<float, std::allocator<float> > {aka class smart_pointer::SmartPointer<float, std::allocator<float> >}' has no member named 'core'; did you mean 'Core'?
         ASSERT(sptr.core == nullptr);
                     ^
Test.hpp:39:28: note: in definition of macro 'ASSERT'
     if (!static_cast<bool>(EXPR)) { \
                            ^~~~
Test_SmartPointer.hpp:208:21: error: 'using SmartPointer__type_t = class smart_pointer::SmartPointer<float, std::allocator<float> > {aka class smart_pointer::SmartPointer<float, std::allocator<float> >}' has no member named 'core'; did you mean 'Core'?
         ASSERT(sptr.core != nullptr);
                     ^
Test.hpp:39:28: note: in definition of macro 'ASSERT'
     if (!static_cast<bool>(EXPR)) { \
                            ^~~~
Test_SmartPointer.hpp:215:21: error: 'using SmartPointer__type_t = class smart_pointer::SmartPointer<float, std::allocator<float> > {aka class smart_pointer::SmartPointer<float, std::allocator<float> >}' has no member named 'core'; did you mean 'Core'?
         ASSERT(sptr.core != nullptr);
                     ^
Test.hpp:39:28: note: in definition of macro 'ASSERT'
     if (!static_cast<bool>(EXPR)) { \
                            ^~~~
Test_SmartPointer.hpp:224:25: error: 'using SmartPointer__type_t = class smart_pointer::SmartPointer<float, std::allocator<float> > {aka class smart_pointer::SmartPointer<float, std::allocator<float> >}' has no member named 'core'; did you mean 'Core'?
             ASSERT(sptr.core != nullptr);
                         ^
Test.hpp:39:28: note: in definition of macro 'ASSERT'
     if (!static_cast<bool>(EXPR)) { \
                            ^~~~
In file included from main.cpp:6:0:
Test_SmartPointer.hpp:225:24: error: 'using SmartPointer__type_t = class smart_pointer::SmartPointer<float, std::allocator<float> > {aka class smart_pointer::SmartPointer<float, std::allocator<float> >}' has no member named 'core'; did you mean 'Core'?
             if (!(sptr.core != nullptr)) {
                        ^~~~
                        Core

[печатать | | ]

≡

#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;
};

// `SmartPointer` class declaration
template<
    typename T,
    typename Allocator
>
class SmartPointer {
    // don't remove this macro
    ENABLE_CLASS_TESTS;

public:
    using value_type = T;

explicit SmartPointer(value_type *p = nullptr) {
        if (p == nullptr) {
            coreInstance = nullptr;
        } else {
            coreInstance = new Core;
            coreInstance->myObj = p;
            coreInstance->pCount = 1;
        }
    }

~SmartPointer() {
        if (coreInstance == nullptr) {
            delete coreInstance;
        } else if (coreInstance->pCount > 1) {
            coreInstance->pCount -= 1;
        } else {
            if (coreInstance->myObj != nullptr) {
                delete coreInstance->myObj;
            }
            delete coreInstance;
        }
    }

// move constructor
    SmartPointer(SmartPointer &&p) {
        if (coreInstance != nullptr) {
            if (coreInstance->pCount > 1) {
                coreInstance->pCount -= 1;
            } else {
                delete coreInstance->myObj;
                delete coreInstance;
                coreInstance = new Core;
            }
        }
        coreInstance = p.coreInstance;
        if (p.coreInstance != nullptr)
            p.coreInstance = nullptr;
    }

// copy constructor
    SmartPointer(const SmartPointer &p) {
        if (coreInstance != nullptr) {
            if (coreInstance->pCount > 1) {
                coreInstance->pCount -= 1;
            } else {
                delete coreInstance->myObj;
                delete coreInstance;
                coreInstance = new Core;
            }
        }
        coreInstance = p.coreInstance;
        if (coreInstance != nullptr)
            coreInstance->pCount += 1;
    }

// move assigment
    SmartPointer &operator=(SmartPointer &&p) {
        if (coreInstance != nullptr) {
            if (coreInstance->pCount > 1) {
                coreInstance->pCount -= 1;
            } else {
                delete coreInstance->myObj;
                delete coreInstance;
            }
        }
        coreInstance = p.coreInstance;
        if (coreInstance != nullptr) {
            p.coreInstance = nullptr;
        }
        return *this;
    }

// copy assigment
    SmartPointer &operator=(const SmartPointer &p) {
        if (coreInstance != nullptr) {
            if (coreInstance->pCount > 1) {
                coreInstance->pCount -= 1;
            } else {
                delete this->coreInstance->myObj;
                delete this->coreInstance;
                coreInstance = nullptr;
            }
        }
        coreInstance = p.coreInstance;
        if (coreInstance != nullptr)
            coreInstance->pCount += 1;
        return *this;
    }

SmartPointer &operator=(value_type *p) {
        if (coreInstance != nullptr) {
            if (coreInstance->pCount > 1) {
                coreInstance->pCount -= 1;
            } else {
                delete coreInstance->myObj;
                delete coreInstance;
                coreInstance = new Core;
            }
        } else {
            coreInstance = new Core;
        }
        if (p != nullptr) {
            coreInstance->myObj = p;
        } else {
            delete coreInstance;
            coreInstance = nullptr;
        }
        if (coreInstance != nullptr)
            coreInstance->pCount = 1;
        return *this;
    }

// return reference to the object of class/type T
    // if SmartPointer contains nullptr throw `SmartPointer::exception`
    value_type &operator*() {
        if (get() == nullptr) {
            throw exception();
        } else {
            return *coreInstance->myObj;
        }
    }

const value_type &operator*() const {
        if (get() == nullptr) {
            throw exception();
        } else {
            return *coreInstance->myObj;
        }
    }

// return pointer to the object of class/type T
    value_type *operator->() const {
        return coreInstance ? coreInstance->myObj : nullptr;
    }

value_type *get() const {
        return coreInstance ? coreInstance->myObj : nullptr;
    }

// if pointer == nullptr => return false
    operator bool() const {
        return coreInstance != nullptr;
    }

// if pointers points to the same address or both null => true
    template<typename U, typename AnotherAllocator>
    bool operator==(const SmartPointer<U, AnotherAllocator> &p) const {
        return (p.get() == nullptr && get() == nullptr) ||
        (p.get() != nullptr && get() != nullptr &&
        *p.get() == *get() &&
        static_cast<void *>(p.get()) == static_cast<void *>(get()));
    }

// if pointers points to the same address or both null => false
    template<typename U, typename AnotherAllocator>
    bool operator!=(const SmartPointer<U, AnotherAllocator> &p) const {
        return !((p.get() == nullptr && get() == nullptr) ||
        (p.get() != nullptr && get() != nullptr &&
        *p.get() == *get() &&
        static_cast<void *>(p.get()) ==
        static_cast<void *>(get())));
    }

// if smart pointer contains non-nullptr => return count owners
    // if smart pointer contains nullptr => return 0
    [[nodiscard]] std::size_t count_owners() const {
        if (coreInstance != nullptr)
            return coreInstance->pCount;
        return 0;
    }

private:
    class Core {
     public:
        value_type *myObj;
        std::size_t pCount;
    };

Core *coreInstance = nullptr;
};
}  // namespace smart_pointer

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