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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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6
include/xo/alloc2/gc/IAllocator_DX1Collector.hpp
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@ -31,6 +31,8 @@ namespace xo {
struct IAllocator_DX1Collector {
using size_type = std::size_t;
using value_type = std::byte *;
using range_type = std::pair<obj<AAllocIterator>,
obj<AAllocIterator>>;
// todo: available()
@ -51,6 +53,10 @@ namespace xo {
static AllocError last_error(const DX1Collector &) noexcept;
/** fetch allocation bookkeeping info **/
static AllocInfo alloc_info(const DX1Collector & d, value_type mem) noexcept;
/** create alloc-iterator range over allocs in @d,
* with iterator working storage obtained from @p ialloc
**/
static range_type alloc_range(const DX1Collector & d, DArena & ialloc) noexcept;
/** always alloc in gen0 to-space **/
static value_type alloc(DX1Collector & d, size_type z) noexcept;