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xo-alloc2: DX1CollectorIterator infra [WIP]

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This commit is contained in:
Roland Conybeare 2025-12-17 20:16:46 -05:00
commit bf27314688
30 changed files with 1041 additions and 176 deletions
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43
src/alloc2/DArena.cpp
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@ -5,6 +5,7 @@
#include "alloc/AAllocator.hpp"
#include "arena/DArena.hpp"
#include "arena/DArenaIterator.hpp"
#include "xo/alloc2/padding.hpp"
#include "xo/indentlog/print/tag.hpp"
#include <cassert>
@ -249,15 +250,10 @@ namespace xo {
}
AllocInfo
DArena::alloc_info(value_type mem) noexcept
DArena::alloc_info(value_type mem) const noexcept
{
if (!config_.store_header_flag_) [[unlikely]] {
++(error_count_);
last_error_ = AllocError(error::alloc_info_disabled,
error_count_,
0 /*add_commit_z*/,
committed_z_,
this->reserved());
this->capture_error(error::alloc_info_disabled);
return AllocInfo::error_not_configured(&config_.header_);
}
@ -265,12 +261,7 @@ namespace xo {
byte * header_mem = mem - sizeof(AllocHeader);
if (!this->contains(header_mem)) {
++(error_count_);
last_error_ = AllocError(error::alloc_info_address,
error_count_,
0 /*add_commit_z*/,
committed_z_,
this->reserved());
this->capture_error(error::alloc_info_address);
}
AllocHeader * header = (AllocHeader *)header_mem;
@ -286,6 +277,32 @@ namespace xo {
guard_hi);
}
DArenaIterator
DArena::begin() const noexcept
{
return DArenaIterator::begin(this);
}
DArenaIterator
DArena::end() const noexcept
{
return DArenaIterator::end(this);
}
void
DArena::capture_error(error err,
size_type target_z) const
{
DArena * self = const_cast<DArena *>(this);
++(self->error_count_);
self->last_error_ = AllocError(err,
error_count_,
target_z,
committed_z_,
reserved());
}
void
DArena::clear() noexcept
{