public void fillinSpace(FixedHandle hand, ParserWalker walker) {
		switch (type) {
			case J_CURSPACE:
				hand.space = walker.getCurSpace();
				return;
			case HANDLE: {
				FixedHandle otherhand = walker.getFixedHandle(handle_index);
				switch (select) {
					case V_SPACE:
						hand.space = otherhand.space;
						return;
					default:
						break;
				}
			}
			case SPACEID:
				hand.space = value_spaceid;
				return;
			default:
				break;
		}
		throw new SleighException("ConstTpl is not a spaceid as expected");
	}
Fill in the space portion of a FixedHandle, based
on this const.
@param hand handle to fillin
@param walker current parser walker
Ghidra/Framework/SoftwareModeling/src/main/java/ghidra/app/plugin/processors/sleigh/template/ConstTpl.java