public String getCurrentSubtableName() {
		if (point == null)
			return null;
		ConstructState parent = point.getParent();
		if (parent == null)
			return null;
		Constructor ct = parent.getConstructor();
		int curindex = breadcrumb[depth - 1] - 1;
		OperandSymbol operand = ct.getOperand(curindex);
		TripleSymbol sym = operand.getDefiningSymbol();
		if (sym instanceof SubtableSymbol)
			return sym.getName();
		return null;
	}
@return the Constructor for the current node in the walk
Ghidra/Framework/SoftwareModeling/src/main/java/ghidra/app/plugin/processors/sleigh/ParserWalker.java