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xo-object: generative GC utest + reinstate coverage build

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This commit is contained in:
Roland Conybeare 2025-08-06 09:30:37 -05:00
commit e80304a09b
18 changed files with 625 additions and 28 deletions
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11
xo-alloc/src/alloc/ArenaAlloc.cpp
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@ -56,6 +56,8 @@ namespace xo {
if (lo_ <= x && x < limit_) {
this->free_ptr_ = x;
if (this->checkpoint_ > free_ptr_)
this->checkpoint_ = free_ptr_;
} else {
throw std::runtime_error(tostr("LinearAllog::set_free_ptr(x): expected lo <= x < limit",
xtag("lo", lo_), xtag("x", x), xtag("limit", limit_)));
@ -102,8 +104,7 @@ namespace xo {
void
ArenaAlloc::clear()
{
this->checkpoint_ = lo_;
this->free_ptr_ = lo_;
this->set_free_ptr(lo_);
this->limit_ = hi_ - redline_z_;
}
@ -133,14 +134,14 @@ namespace xo {
std::byte * retval = this->free_ptr_;
this->free_ptr_ += z1;
log && log(xtag("self", name_), xtag("z0", z0), xtag("+pad", dz), xtag("z1", z1));
if (free_ptr_ > limit_) {
if (free_ptr_ + z1 > limit_) {
return nullptr;
}
this->free_ptr_ += z1;
return retval;
}