42 lines
828 B
C++
42 lines
828 B
C++
namespace factor {
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template <typename Type> struct data_root : public tagged<Type> {
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factor_vm* parent;
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void push() {
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parent->data_roots.push_back(&this->value_);
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}
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data_root(cell value, factor_vm* parent)
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: tagged<Type>(value), parent(parent) {
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push();
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}
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data_root(Type* value, factor_vm* parent)
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: tagged<Type>(value), parent(parent) {
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FACTOR_ASSERT(value);
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push();
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}
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const data_root<Type>& operator=(const Type* x) {
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tagged<Type>::operator=(x);
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return *this;
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}
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const data_root<Type>& operator=(const cell& x) {
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tagged<Type>::operator=(x);
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return *this;
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}
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~data_root() {
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parent->data_roots.pop_back();
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}
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friend void swap(data_root<Type>& a, data_root<Type>& b) {
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cell tmp = a.value_;
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a.value_ = b.value_;
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b.value_ = tmp;
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}
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};
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}
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