54 lines
1.6 KiB
C++
54 lines
1.6 KiB
C++
/** @file AGCObject.hpp
|
|
*
|
|
* @author Roland Conybeare, Dec 2025
|
|
**/
|
|
|
|
#pragma once
|
|
|
|
#include "IAllocator_Any.hpp"
|
|
#include "RAllocator.hpp"
|
|
#include "xo/facet/facet_implementation.hpp"
|
|
#include "xo/facet/typeseq.hpp"
|
|
#include "xo/facet/obj.hpp"
|
|
#include <cstdint>
|
|
#include <cstddef>
|
|
|
|
namespace xo {
|
|
namespace mm {
|
|
using Copaque = const void *;
|
|
using Opaque = void *;
|
|
|
|
/** @class AObject
|
|
* @brief Abstract facet for collector-eligible data
|
|
*
|
|
* Data that supports AGCObject can have memory managed
|
|
* by ACollector
|
|
**/
|
|
struct AGCObject {
|
|
using size_type = std::size_t;
|
|
|
|
/** RTTI: unique id# for actual runtime data representation **/
|
|
virtual int32_t _typeseq() const noexcept = 0;
|
|
|
|
virtual size_type shallow_size(Copaque d) const noexcept = 0;
|
|
virtual Opaque * shallow_copy(Copaque d,
|
|
obj<AAllocator> mm) const noexcept = 0;
|
|
virtual size_type forward_children(Opaque d) const noexcept = 0;
|
|
};
|
|
|
|
// implementation IGCObject_DRepr of AGCObject for state DRepr
|
|
// should provide a specialization:
|
|
//
|
|
// template <>
|
|
// struct xo::facet::FacetImplementation<AGCObjectx, DRepr> {
|
|
// using ImplType = IGCObject_DRepr;
|
|
// };
|
|
//
|
|
// then IGCObject_ImplType<DRepr> --> IGCObject_DRepr
|
|
//
|
|
template <typename DRepr>
|
|
using IGCObject_ImplType = xo::facet::FacetImplType<AGCObject, DRepr>;
|
|
} /*namespace mm*/
|
|
} /*namespace xo*/
|
|
|
|
/* end AGCObject.hpp */
|