String (StructClass cl, MethodWrapper method, DirectGraph graph, int index) { String field = ""; // parameter variable final if (method.varproc.getVarFinal(new VarVersionPair(index, 0)) == VarProcessor.VAR_NON_FINAL) { return null; } boolean noSynthFlag = DecompilerContext.getOption(IFernflowerPreferences.SYNTHETIC_NOT_SET); // no loop at the begin DirectNode firstNode = graph.first; if (firstNode.predecessors.isEmpty()) { // assignment to a synthetic field? for (Exprent exprent : firstNode.exprents) { if (exprent.type == Exprent.EXPRENT_ASSIGNMENT) { AssignmentExprent assignExpr = (AssignmentExprent)exprent; if (assignExpr.getRight().type == Exprent.EXPRENT_VAR && ((VarExprent)assignExpr.getRight()).getIndex() == index && assignExpr.getLeft().type == Exprent.EXPRENT_FIELD) { FieldExprent left = (FieldExprent)assignExpr.getLeft(); StructField fd = cl.getField(left.getName(), left.getDescriptor().descriptorString); if (fd != null && cl.qualifiedName.equals(left.getClassname()) && (fd.isSynthetic() || noSynthFlag && possiblySyntheticField(fd))) { // local (== not inherited) field field = InterpreterUtil.makeUniqueKey(left.getName(), left.getDescriptor().descriptorString); break; } } } } } return field; }