DexNode dex = parentClass.dex();
Code mthCode = dex.readCode(methodData);
regsCount = mthCode.getRegistersSize();
initMethodTypes();
InsnDecoder decoder = new InsnDecoder(this);
decoder.decodeInsns(mthCode);
instructions = decoder.process();
codeSize = instructions.length;
initTryCatches(mthCode);
initJumps();