MemoryCheak.h

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#ifndef FCT_MEMORY_CHEAK
#define FCT_MEMORY_CHEAK
#include <typeinfo>
#include <mutex>
#include <vector>
#include <iostream>
 
#include "../ThirdParty.h"
#ifndef FCT_USE_ANDROID
#define FCT_USE_MEMORY_CHECK
#endif
namespace FCT {
#if defined(FCT_DEBUG) && defined(FCT_USE_MEMORY_CHECK)
    struct _fct_object_t {
        void* pointer;
        std::string describe;
        int refCounted;
    };
    extern std::vector<_fct_object_t*> fct_object_list;
    extern std::string fct_object_info;
    extern std::mutex fct_object_mutex;
    extern int fct_object_count_delete_without_object;
    template <typename T, typename... Args>
    T* _fct_new(const Args&... arg) {
        T* ret = new T(arg...);
        _fct_object_t* object = new _fct_object_t;
        object->pointer = ret;
        object->refCounted = -1;
        object->describe = typeid(ret).name();
        fct_object_mutex.lock();
        fct_object_list.push_back(object);
        fct_object_mutex.unlock();
        return ret;
    }
 
    template <typename T, typename AUTO>
    T* _fct_news(AUTO size) {
        T* ret = new T[size];
        _fct_object_t* object = new _fct_object_t;
        object->pointer = ret;
        object->refCounted = -1;
        object->describe = typeid(ret).name();
        fct_object_mutex.lock();
        fct_object_list.push_back(object);
        fct_object_mutex.unlock();
        return ret;
    }
    template <typename T>
    void _fct_delete(T arg) {
        fct_object_mutex.lock();
        auto i = fct_object_list.begin();
        while (i != fct_object_list.end()) {
            if ((*i)->pointer == arg) {
                delete (*i);
                fct_object_list.erase(i);
                goto FinshWhile;
            }
            i++;
        }
        if (i == fct_object_list.end()) {
            fct_object_count_delete_without_object++;
        }
    FinshWhile:
        fct_object_mutex.unlock();
        delete arg;
    }
    template <typename T>
    void _fct_deletes(T arg) {
        auto i = fct_object_list.begin();
        for (; i != fct_object_list.end(); i++) {
            if ((*i)->pointer == arg) {
                delete (*i);
                fct_object_list.erase(i);
                goto FinshWhiles;
            }
        }
        fct_object_count_delete_without_object++;
    FinshWhiles:
        delete[] arg;
    }
    inline void _output_object_nums(std::ostream& out) {
        out << "当前对象总计:" << fct_object_list.size() << std::endl;
    }
    inline void _output_object(std::ostream& out) {
        //线程不安全
        for (auto i = fct_object_list.begin(); i != fct_object_list.end(); i++) {
            out << (*i)->describe << std::endl;
        }
        out << "不在object表里不delete的数量:" << fct_object_count_delete_without_object << std::endl;
        out << "未释放对象总计:" << fct_object_list.size() << std::endl;
    }
 
    inline void _add_object(void* ptr, const std::string& describe)
    {
        _fct_object_t* object = new _fct_object_t;
        object->pointer = ptr;
        object->refCounted = -1;
        object->describe = describe;
        fct_object_mutex.lock();
        fct_object_list.push_back(object);
        fct_object_mutex.unlock();
    }
    inline bool _remove_object(void* ptr)
    {
        auto i = fct_object_list.begin();
        for (; i != fct_object_list.end(); i++) {
            if ((*i)->pointer == ptr) {
                delete (*i);
                fct_object_list.erase(i);
                return true;
            }
        }
        fct_object_count_delete_without_object++;
        return false;
    }
 
#endif
    template<typename T>
    inline void AllocatorDelete(T* ptr)
    {
#ifdef FCT_DEBUG
        FCT::_remove_object(ptr);
#endif
        operator delete[](ptr);
    }
    template<typename T>
    inline T* AllocatorNew(size_t size)
    {
#ifdef FCT_DEBUG
        auto ret = static_cast<T*>(operator new[](sizeof(T) * size));
        _add_object(ret,std::string(typeid(ret).name()) + std::string(" Chunk Size: ") + std::to_string(size));
        return ret;
#else
        return static_cast<T*>(operator new[](sizeof(T) * size));
#endif
    }
    template<typename T>
    inline T* New(T* ptr)
    {
        return new (ptr) T();
    }
 
    template<typename T, typename... Args>
    inline T* New(T* ptr, Args&&... args)
    {
        return new (ptr) T(std::forward<Args>(args)...);
    }
    template<typename T>
    inline void Destroy(T* ptr)
    {
        if (ptr) {
            ptr->~T();
        }
    }
}
#if defined(FCT_DEBUG) && defined(FCT_USE_MEMORY_CHECK)
#define FCT_NEW(type,...) FCT::_fct_new<type>(__VA_ARGS__)
#define FCT_NEWS(type,num) FCT::_fct_news<type>(num)
#define FCT_DELETE(args) FCT::_fct_delete<decltype(args)>(args)
#define FCT_DELETES(args) FCT::_fct_deletes<decltype(args)>(args)
#else
#define FCT_NEW(type,...) new type(__VA_ARGS__)
#define FCT_NEWS(type,num) new type[num]
#define FCT_DELETE(args) delete args
#define FCT_DELETES(args) delete[] args
#endif // FCT_DEBUG
#define FCT_SAFE_NEW(var,type,...) \
    if (var) \
        FCT_DELETE(var); \
    var = FCT_NEW(type, __VA_ARGS__)
#define FCT_SAFE_DELETE(var) \
    if (var) {\
        FCT_DELETE(var); \
        var = nullptr; \
    }
#endif // FCT_MEMORY_CHEAK