public IRubyObject get(
ThreadContext context, StructLayout.Storage cache, Member m, IRubyObject ptr) {
DirectMemoryIO memory = ((AbstractMemory) ptr).getMemoryIO().getMemoryIO(m.getOffset(ptr));
IRubyObject old = cache.getCachedValue(m);
if (old instanceof Pointer) {
MemoryIO oldMemory = ((Pointer) old).getMemoryIO();
if (memory.equals(oldMemory)) {
return old;
}
}
Pointer retval = new Pointer(context.getRuntime(), memory);
cache.putCachedValue(m, retval);
return retval;
}
protected Pointer getPointer(Ruby runtime, long offset) {
DirectMemoryIO ptr = (DirectMemoryIO) getMemoryIO().getMemoryIO(offset);
return new BasePointer(runtime, ptr != null && !ptr.isNull() ? ptr : new NullMemoryIO(runtime));
}