factor/vm/full_collector.hpp

57 lines
1.1 KiB
C++

namespace factor
{
struct full_policy {
factor_vm *parent;
tenured_space *tenured;
explicit full_policy(factor_vm *parent_) : parent(parent_), tenured(parent->data->tenured) {}
bool should_copy_p(object *untagged)
{
return !tenured->contains_p(untagged);
}
void promoted_object(object *obj)
{
tenured->set_marked_p(obj);
parent->mark_stack.push_back((cell)obj);
}
void visited_object(object *obj)
{
if(!tenured->marked_p(obj))
promoted_object(obj);
}
};
struct code_workhorse {
factor_vm *parent;
code_heap *code;
explicit code_workhorse(factor_vm *parent_) : parent(parent_), code(parent->code) {}
code_block *operator()(code_block *compiled)
{
if(!code->marked_p(compiled))
{
code->set_marked_p(compiled);
parent->mark_stack.push_back((cell)compiled + 1);
}
return compiled;
}
};
struct full_collector : collector<tenured_space,full_policy> {
code_block_visitor<code_workhorse> code_visitor;
explicit full_collector(factor_vm *parent_);
void trace_code_block(code_block *compiled);
void trace_context_code_blocks();
void trace_uninitialized_code_blocks();
void trace_object_code_block(object *obj);
};
}