factor/vm/run.cpp

77 lines
1.1 KiB
C++
Executable File

#include "master.hpp"
factor::cell userenv[USER_ENV];
namespace factor
{
cell T;
PRIMITIVE(getenv)
{
fixnum e = untag_fixnum(dpeek());
drepl(userenv[e]);
}
PRIMITIVE(setenv)
{
fixnum e = untag_fixnum(dpop());
cell value = dpop();
userenv[e] = value;
}
PRIMITIVE(exit)
{
exit(to_fixnum(dpop()));
}
PRIMITIVE(micros)
{
box_unsigned_8(current_micros());
}
PRIMITIVE(sleep)
{
sleep_micros(to_cell(dpop()));
}
PRIMITIVE(set_slot)
{
fixnum slot = untag_fixnum(dpop());
object *obj = untag<object>(dpop());
cell value = dpop();
obj->slots()[slot] = value;
write_barrier(obj);
}
PRIMITIVE(load_locals)
{
fixnum count = untag_fixnum(dpop());
memcpy((cell *)(rs + sizeof(cell)),(cell *)(ds - sizeof(cell) * (count - 1)),sizeof(cell) * count);
ds -= sizeof(cell) * count;
rs += sizeof(cell) * count;
}
static cell clone_object(cell obj_)
{
gc_root<object> obj(obj_);
if(immediate_p(obj.value()))
return obj.value();
else
{
cell size = object_size(obj.value());
object *new_obj = allot_object(obj.type(),size);
memcpy(new_obj,obj.untagged(),size);
return tag_dynamic(new_obj);
}
}
PRIMITIVE(clone)
{
drepl(clone_object(dpeek()));
}
}