factor/vm/arrays.hpp

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namespace factor
{
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inline cell array_nth(array *array, cell slot)
{
#ifdef FACTOR_DEBUG
assert(slot < array_capacity(array));
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assert(array->h.hi_tag() == ARRAY_TYPE);
#endif
return array->data()[slot];
}
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inline void factor_vm::set_array_nth(array *array, cell slot, cell value)
{
#ifdef FACTOR_DEBUG
assert(slot < array_capacity(array));
assert(array->h.hi_tag() == ARRAY_TYPE);
check_tagged_pointer(value);
#endif
array->data()[slot] = value;
write_barrier(array);
}
struct growable_array {
cell count;
gc_root<array> elements;
explicit growable_array(factor_vm *myvm, cell capacity = 10) : count(0), elements(myvm->allot_array(capacity,F),myvm) {}
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void add(cell elt);
void trim();
};
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}