if((op[i] == JF || op[i] == JT || op[i] == JMP) && arg[i] != null && arg[i] instanceof Number) {
sb.append(" jump to ").append(i+((Number) arg[i]).intValue());
} else if(op[i] == TRY) {
if((op[i] == JF || op[i] == JT || op[i] == JMP) && arg[i] != null && arg[i] instanceof Number) {
sb.append(" jump to ").append(i+((Number) arg[i]).intValue());
} else if(op[i] == TRY) {