xo-umbrella2/xo-object/src/object/Integer.cpp

59 lines
1.4 KiB
C++

/* @file Integer.cpp
*
* author: Roland Conybeare, Aug 2025
*/
#include "Integer.hpp"
#include "xo/reflect/Reflect.hpp"
#include <cstddef>
namespace xo {
using xo::reflect::Reflect;
using xo::reflect::TaggedPtr;
using xo::gc::IAlloc;
namespace obj {
static_assert(sizeof(Integer::int_type) == 8, "expected 64-bit representation for xo::obj::Integer");
Integer::Integer(int_type x) : value_{x} {}
gp<Integer>
Integer::make(IAlloc * mm, int_type x) {
return new (MMPtr(mm)) Integer(x);
}
gp<Integer>
Integer::from(gp<Object> x) {
return dynamic_cast<Integer*>(x.ptr());
}
TaggedPtr
Integer::self_tp() const {
return Reflect::make_tp(const_cast<Integer*>(this));
}
void
Integer::display(std::ostream & os) const {
os << value_;
}
std::size_t
Integer::_shallow_size() const {
return sizeof(Integer);
}
Object *
Integer::_shallow_copy(gc::IAlloc * mm) const {
Cpof cpof(mm, this);
return new (cpof) Integer(*this);
}
std::size_t
Integer::_forward_children(gc::IAlloc * /*gc*/) {
return Integer::_shallow_size();
}
} /*namespace obj*/
} /*namespace xo*/
/* end Integer.cpp */