Python源码阅读(二、对象)
一、参考
二、正文
// 路径: Include\object.h
/* Nothing is actually declared to be a PyObject, but every pointer to * a Python object can be cast to a PyObject*. This is inheritance built * by hand. Similarly every pointer to a variable-size Python object can, * in addition, be cast to PyVarObject*. */ typedef struct _object { PyObject_HEAD } PyObject;
// 路径:Include\object.h
/* PyObject_HEAD defines the initial segment of every PyObject. */ #define PyObject_HEAD \ _PyObject_HEAD_EXTRA \ Py_ssize_t ob_refcnt; \ // 引用计数,用于内存管理 struct _typeobject *ob_type; // 类型信息