@Override
	public void decode(Decoder decoder, PcodeFactory pfactory) throws DecoderException {
		for (;;) {
			int attribId = decoder.getNextAttributeId();
			if (attribId == 0) {
				break;
			}
			if (attribId == AttributeId.ATTRIB_OPREF.id()) {
				int refid = (int) decoder.readUnsignedInteger();
				op = pfactory.getOpRef(refid);
				break;
			}
		}
		super.decode(decoder, pfactory);
	}
@return the (final) p-code operation associated with the statement.
Ghidra/Features/Decompiler/src/main/java/ghidra/app/decompiler/ClangStatement.java