protected void decodeNextInEdge(Decoder decoder, ArrayList<? extends PcodeBlock> blockList)
			throws DecoderException {
		BlockEdge inEdge = new BlockEdge();
		intothis.add(inEdge);
		inEdge.decode(decoder, blockList);
		while (inEdge.point.outofthis.size() <= inEdge.reverse_index) {
			inEdge.point.outofthis.add(null);
		}
		BlockEdge outEdge = new BlockEdge(this, 0, intothis.size() - 1);
		inEdge.point.outofthis.set(inEdge.reverse_index, outEdge);
	}
Decode the next input edge from the stream. Resolve block indices via a blockList
@param decoder is the stream decoder
@param blockList allows lookup of PcodeBlock via index
@throws DecoderException for any invalid encoding
Ghidra/Framework/SoftwareModeling/src/main/java/ghidra/program/model/pcode/PcodeBlock.java