3 template <typename Type> struct data_root : public tagged<Type> {
7 parent->data_roots.push_back(&this->value_);
10 data_root(cell value, factor_vm* parent)
11 : tagged<Type>(value), parent(parent) {
15 data_root(Type* value, factor_vm* parent)
16 : tagged<Type>(value), parent(parent) {
20 const data_root<Type>& operator=(const Type* x) {
21 tagged<Type>::operator=(x);
24 const data_root<Type>& operator=(const cell& x) {
25 tagged<Type>::operator=(x);
29 ~data_root() { parent->data_roots.pop_back(); }
32 /* A similar hack for the bignum implementation */
37 gc_bignum(bignum** addr, factor_vm* parent) : addr(addr), parent(parent) {
38 parent->check_data_pointer(*addr);
39 parent->bignum_roots.push_back(addr);
43 FACTOR_ASSERT(parent->bignum_roots.back() == addr);
44 parent->bignum_roots.pop_back();
48 #define GC_BIGNUM(x) gc_bignum x##__data_root(&x, this)