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xo-alloc2: work on alloc iteration.

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This commit is contained in:
Roland Conybeare 2025-12-18 11:22:36 -05:00
commit d8ed0d6235
17 changed files with 216 additions and 29 deletions
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19
src/alloc2/DX1Collector.cpp
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@ -10,6 +10,7 @@
#include "gc/generation.hpp"
#include "gc/object_age.hpp"
#include <xo/facet/obj.hpp>
#include <xo/indentlog/scope.hpp>
#include <cassert>
#include <cstdint>
@ -207,10 +208,10 @@ namespace xo {
}
AllocInfo
DX1Collector::alloc_info(value_type mem) noexcept {
DX1Collector::alloc_info(value_type mem) const noexcept {
for (role ri : role::all()) {
for (generation gj{0}; gj < config_.n_generation_; ++gj) {
DArena * arena = this->get_space(ri, gj);
const DArena * arena = this->get_space(ri, gj);
assert(arena);
@ -221,21 +222,29 @@ namespace xo {
}
// deliberately attempt on nursery to-space, to capture error info + return sentinel
return this->new_space()->alloc_info(mem);
return this->get_space(role::to_space(), generation{0})->alloc_info(mem);
}
DX1CollectorIterator
DX1Collector::begin() const noexcept
{
scope log(XO_DEBUG(false));
const DArena * arena
= get_space(role::to_space(),
generation{0});
return DX1CollectorIterator(this,
generation{0},
generation{config_.n_generation_},
DArenaIterator(),
DArenaIterator());
arena->begin(),
arena->end());
}
DX1CollectorIterator
DX1Collector::end() const noexcept {
scope log(XO_DEBUG(false));
generation gen_hi = generation{config_.n_generation_};
/** valid iterator for end points to end of last DArena.