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xo-alloc + xo-allocutil: refactor to shrink dep surface area

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This commit is contained in:
Roland Conybeare 2025-12-01 01:20:49 -05:00
commit 540b43d971
34 changed files with 479 additions and 323 deletions
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21
xo-alloc/src/alloc/Forwarding1.cpp
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@ -13,7 +13,7 @@ namespace xo {
using xo::reflect::TaggedPtr;
namespace obj {
Forwarding1::Forwarding1(gp<Object> dest)
Forwarding1::Forwarding1(gp<IObject> dest)
: dest_{dest}
{}
@ -26,18 +26,21 @@ namespace xo {
void
Forwarding1::display(std::ostream & os) const
{
os << "<fwd" << xtag("dest-td", dest_->self_tp().td()->short_name()) << ">";
os << "<fwd"
<< xtag("dest", (void*)dest_.ptr())
// << xtag("dest-td", dest_->self_tp().td()->short_name())
<< ">";
}
Object *
Forwarding1::_offset_destination(Object * src) const
IObject *
Forwarding1::_offset_destination(IObject * src) const
{
intptr_t offset = src - static_cast<const Object *>(this);
intptr_t offset = src - static_cast<const IObject *>(this);
return dest_.ptr() + offset;
}
Object *
IObject *
Forwarding1::_destination() {
return dest_.ptr();
}
@ -51,8 +54,10 @@ namespace xo {
// LCOV_EXCL_STOP
// LCOV_EXCL_START
Object *
IObject *
Forwarding1::_shallow_copy(gc::IAlloc *) const {
/* forwarding objects are never copied */
assert(false);
return nullptr;
}
@ -61,6 +66,8 @@ namespace xo {
// LCOV_EXCL_START
std::size_t
Forwarding1::_forward_children(gc::IAlloc *) {
/* forwarding objects are never traced */
assert(false);
return 0;
}