xo-alloc/xo-alloc2/include/xo/alloc2/IAllocator_Xfer.hpp

47 lines
1.9 KiB
C++

/** @file IAllocator_Xfer.hpp
*
* @author Roland Conybeare, Dec 2025
**/
#pragma once
#include "AAllocator.hpp"
namespace xo {
namespace mm {
/** @class IAllocator_Xfer
**/
template <typename DRepr, typename IAllocator_DRepr>
struct IAllocator_Xfer : public AAllocator {
// parallel interface to AAllocator, with specific data type
using Impl = IAllocator_DRepr;
static const DRepr & _dcast(Copaque d) { return *(const DRepr *)d; }
// from AAllocator
int32_t _typeseq() const override { return s_typeseq; }
const std::string & name(Copaque d) const override { return Impl::name(_dcast(d)); }
std::size_t reserved(Copaque d) const override { return Impl::reserved(*(DRepr*)d); }
std::size_t size(Copaque d) const override { return Impl::size(*(DRepr*)d); }
std::size_t committed(Copaque d) const override { return Impl::committed(*(DRepr*)d); }
bool contains(Copaque d, const void * p) const override { return Impl::contains(*(DRepr*)d, p); }
std::byte * alloc(Opaque d, std::size_t z) const override { return Impl::alloc(*(DRepr*)d, z); }
void clear(Opaque d) const override { return Impl::clear(*(DRepr*)d); }
void destruct_data(Opaque d) const override { return Impl::destruct_data(*(DRepr*)d); }
static int32_t s_typeseq;
static bool _valid;
};
template <typename DRepr, typename IAllocator_DRepr>
int32_t
IAllocator_Xfer<DRepr, IAllocator_DRepr>::s_typeseq = facet::typeseq::id<DRepr>();
template <typename DRepr, typename IAllocator_DRepr>
bool
IAllocator_Xfer<DRepr, IAllocator_DRepr>::_valid = facet::valid_facet_implementation<AAllocator, IAllocator_Xfer>();
} /*namespace mm*/
} /*namespace xo*/
/* end IAllocator_Xfer.hpp */