qyxqyxqyx的专栏

#include #include #include #include using namespace std; class Token{ public: int kind;//0:符号 1:数字 char sym;//记录符号 float value;//记录数值 }; bool bigger(char c1,char c2){//运算符优先级比较

pointer计数指针 pointer.h #ifndef _pointer_h #define _pointer_h template class pointer { public: pointer():ptr(NULL),pCnt(new int(0)){} pointer(T* src):ptr(src),pCnt(new int(1))