????????????????????????????????????????????????????????????????????? ???????? C ?ж?????????????????????????? lw_oopc.h ???????????????????????????￡?

????1????????壺??????????????????????????????????????????????????????? ????????????????????????ü???????????????????????????????

/*    operater.h   */
#ifndef OPER_H
#define OPER_H INTERFACE(IOPERATOR)
{
double (*GetResult)(double??double)??
}??
#endif
/*-------------end of operater.h ------------------*/

????2?? ?????? Add ??????? IOPERATOR

/*****   Add.C ***/
#include "lw_oopc_kc.h"
#include"operater.h"      // ?????????????lw_oopc_kc.h ????????????????
#include "classes.h"
/************************** ?? Add ?????? classes.h ??
CLASS(Add)
{
IMPLEMENTS(IOPERATOR)??
}??************/
static double GetResult(double a??double b)
{
return (a+b)??
}
CTOR(Add)
FUNCTION_SETTING(IOPERATOR.GetResult??GetResult)?? END_CTOR
/***----- END OF ADD.C-----****/

????3?? ??????? Sub ??????? IOPERATOR

/***--- Sub.c ---******/
#include "lw_oopc_kc.h"
#include"operater.h"
#include "classes.h"
/***********?? Sub ?????? classes.h ??
CLASS(Sub)
{
IMPLEMENTS(IOPERATOR)??
}??*/
static double GetResult(double a??double b)
{
return (a-b)??
}
CTOR(Sub) FUNCTION_SETTING(IOPERATOR.GetResult??GetResult)??
END_CTOR
/***----- END OF Sub.C-----****/

????4?? ?????? operater.h??Add.C??Sub.C ?? main.C ???????????main.c ??????￡?

/***--- main.c ---******/
#include<stdio.h>
#include "lw_oopc_kc.h"
#include"operater.h"      // ?????????????lw_oopc_kc.h ?????????
#include "classes.h" int  main()
{
int a = 10?? b=5??
int c1??c2??
IOPERATOR *poper??               //--???????????????????
Add A??                          //---???? A ????????????
Sub S??                          //---???? B ?????????????
CLASS_CTOR(Add?? A)?? CLASS_CTOR(Sub?? S)??
//---?????洦?????
poper = &A??        //?????????淽????oper = New(Add)?? ??? free????
c1 = (poper->GetResult(a??b))??      // c1 ???? = 15 ?? a+b??
poper = &S??
c2 = poper->GetResult(a??b)??      // c2 ???= 5 ??a-b??
return 0??
}
/***----- END OF main.C-----****/

???????

????1???? lw_oopc_kc.h ???????????????????????????????????????￡??????????o?

#define CLASS_CTOR(Class??obj)       Class##Setting(&obj)        //--?????????
#define INHERIT(BASE)     IMPLEMENTS(BASE)                        //---???к?
#ifndef LW_OOPC_PURE_STATIC
#ifndef LW_OOPC_STATIC
#define New(Class)     Class##New()                  //--??????????
#endif
#endif

????2???????????????? 3 ???????塢?????????????????????????????????????????????????????????

????3???????????????????????????ж???????????????????????????????????и????? ???????????????У?????С?

???????????????????????????乹????????????????????????????????? ???????????????????????????????????????????????????????и??e????????????????

????5?? ?????????????д?????????????????????????????????????

????e.g.        double GetResult(double a??double b) ????????????

????double ??* GetResult??(double?? double????