摘要:
popo是print-object的简写,可用来打印所有NSObject对象。使用举例如下:(gdb)po self(gdb)po [self view]>(gdb)print-object [self view]>pp是print的简写,可以用来打印所有的简单类型,如int, float,结构体等。使用举例如下:(gdb)p self$1 = (LauncherViewController *) 0x552c570(gdb)p [[self view] size]Unable to call function “objc_msgSend” at 0x1e7e08c: no ret 阅读全文