xCode-控制台命令

Person *obj = [[Person alloc] init];

po指令

po obj
<Person: 0x6000030f1260>

p指令

• p默认打印十进制

p obj
(Person *) $0 = 0x00006000030f1260

• p/x打印十六进制

  p/x obj
  (Person *) $1 = 0x00006000030f1260
  

• p/o打印八进制

  p/o obj
  (Person *) $2 = 03000000303611140
  

• p/t打印二进制

  p/t obj
  (Person *) $3 = 0b0000000000000000011000000000000000000011000011110001001001100000
  

• p/f浮点打印

  p/f obj
  (Person *) $3 = 0b0000000000000000011000000000000000000011000011110001001001100000
  

x：输出对象的内存地址，后面可接参数，”x/2gx”：2为个数，g为8字节大小，x为16进制形式

x/2gx obj
0x6000030f1260: 0x0000000104b0e600 0x0000000000000000

x/4gx obj
0x6000030f1260: 0x0000000104b0e600 0x0000000000000000
0x6000030f1270: 0x0000000000000000 0x0000000000000000