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xo-alloc2: + Allocator.alloc_range() with DArena input

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This commit is contained in:
Roland Conybeare 2025-12-18 18:34:54 -05:00
commit 181ae9f12b
13 changed files with 158 additions and 59 deletions
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28
src/alloc2/IAllocator_DX1Collector.cpp
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@ -6,9 +6,14 @@
**/
#include "gc/IAllocator_DX1Collector.hpp"
#include "gc/IAllocIterator_DX1CollectorIterator.hpp"
#include "gc/DX1CollectorIterator.hpp"
#include "arena/IAllocator_DArena.hpp"
namespace xo {
using xo::facet::with_facet;
using std::size_t;
using std::byte;
namespace mm {
using value_type = IAllocator_DX1Collector::value_type;
@ -61,6 +66,29 @@ namespace xo {
return d.last_error();
}
auto
IAllocator_DX1Collector::alloc_range(const DX1Collector & d,
DArena & ialloc) noexcept -> range_type
{
byte * begin_mem = IAllocator_DArena::alloc(ialloc,
sizeof(DX1CollectorIterator));
byte * end_mem = IAllocator_DArena::alloc(ialloc,
sizeof(DX1CollectorIterator));
assert(begin_mem);
assert(end_mem);
DX1CollectorIterator * begin_ix
= new (begin_mem) DX1CollectorIterator(d.begin());
DX1CollectorIterator * end_ix
= new ( end_mem) DX1CollectorIterator(d.end());
obj<AAllocIterator> begin_obj = with_facet<AAllocIterator>::mkobj(begin_ix);
obj<AAllocIterator> end_obj = with_facet<AAllocIterator>::mkobj( end_ix);
return std::make_pair(begin_obj, end_obj);
}
auto
IAllocator_DX1Collector::alloc(DX1Collector & d, size_type z) noexcept -> value_type
{