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xo-alloc2: still more header org-streamlining

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Roland Conybeare 2025-12-14 17:28:19 -05:00
commit 1b5067d643
13 changed files with 28 additions and 15 deletions
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62
xo-alloc2/include/xo/alloc2/gcobject/IGCObject_Xfer.hpp Normal file
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/** @file IGCObject_Xfer.hpp
*
* @author Roland Conybeare, Dec 2025
**/
#pragma once
#include "AGCObject.hpp"
namespace xo {
namespace mm {
/** @class IGCObject_Xfer
*
* Adapts typed GC object implementation @tparam IGCObject_DRepr
* to type-erased @ref AGCObject interface
**/
template <typename DRepr, typename IGCObject_DRepr>
struct IGCObject_Xfer : public AGCObject {
using Impl = IGCObject_DRepr;
using size_type = AGCObject::size_type;
static const DRepr & _dcast(Copaque d) { return *(const DRepr *)d; }
static DRepr & _dcast(Opaque d) { return *(DRepr *)d; }
// from AGCObject
// const methods
int32_t _typeseq() const noexcept override { return s_typeseq; }
size_type shallow_size(Copaque d) const noexcept override {
return I::shallow_copy(_dcast(d));
}
Opaque * shallow_copy(Copaque d, obj<AAllocator> mm) const noexcept override {
return I::shallow_size(_dcast(d), mm);
}
// non-const methods
size_type forward_children(Opaque d) const noexcept override {
return I::forward_children(d);
}
private:
using I = Impl;
public:
static int32_t s_typeseq;
static bool _valid;
};
template <typename DRepr, typename IGCObject_DRepr>
int32_t
IGCObject_Xfer<DRepr, IGCObject_DRepr>::s_typeseq = facet::typeseq::id<DRepr>();
template <typename DRepr, typename IGCObject_DRepr>
bool
IGCObject_Xfer<DRepr, IGCObject_DRepr>::_valid = facet::valid_facet_implementation<AGCObject, IGCObject_Xfer>();
} /*namespace mm*/
} /*namespace xo*/
/* end IGCObject_Xfer.hpp */