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????1???????壬???? CLASS()  ?? lw_oopc_kc.h ?ж?????

#include "lw_oopc_kc.h"
CLASS(A)
{
int a?? void(*init)(void*??int)?? void(*put)(void*)??
}??

????2??????????????

???????????????y??? struct  ???壬?ú??????????? C++??????????????????????????????? A ?????д??庯????

void init_A(void *t??int x)
{
A *cthis = (A*)t??
cthis->a = x??
}
void put_A(void*t)
{
A *cthis = (A*)t??
printf(" %d "??cthis->a)??
}

????3???????壩?е???????????????????? ???????????????????????????????????????

CTOR(A)
FUNCTION_SETTING (init?? init_A)?? FUNCTION_SETTING (put?? put_A)??
END_CTOR

????4?????????塢?????????

???????????????????????????? struct???е?????????к????????????? init_A()?? XXX_A()  ??????????????? XXX_A()???? A ???????????????????????????????????? ???? C++?????????????????ù??????????? C  ?У????????????????????????????? lw_oopc_kc.h ????"lw_oopc.h"?????????ú?CLASS_CTOR(class??obj)??????????????й????? ??????????з????????????????????? 3 ???????￡?

A   aa1??                           // 1?????????
CLASS_CTOR(A??aa1)??       // 2?????????—??ú??????????????
aa1.init(&aa1?? 10)??               // 3?????????????????????????? &aa1????????

????????C ??е?????

????1?????????壺???????????????????????ж??????????????????????????????У???????????壺

????#define INHERIT(BASE)    IMPLEMENTS(BASE)

???????????? B ????? A ????????￡?

CLASS(B)
{
INHERIT(A)??              //  ??? A ?? int b??                                   //  ??????? void (*init) (void*?? int x)??
void (*put) (void*)??
}??

????2??????????????????????????? B ????????????? ‘_B’

void init_B (void*t?? int x?? int y)
{
B *cthis =   (B*) t??
CLASS_CTOR(A?? cthis->A)??               //----??е?????????????????? cthis->A cthis->A.init(&cthis->A?? x)??                //----??е??????????? ???&cthis->A cthis->b = y??
}
void put_B (void *t)
{
B *cthis = (B*) t??
cthis->A.put (&cthis->A)??                    //---?????????????
printf(" %d "??cthis->b)??                          //---????????
}

????3????????????????????????????????????????????

????CTOR(B)

????FUNCTION_SETTING (init?? init_B)??                    //---??????????????????

????FUNCTION_SETTING (put?? put_B)?? END_CTOR

????????????????????????????????? CTOR(B) ?? END_CTOR ?????У????????????? B ?????????????????????CLASS_CTOR(A?? cthis->A)????????????棬??÷??? init_B() ???????棬???????? B ??????????????????????????????? C++?????????????C++????? B ????????????? A ??????????????????е????????????main()?????????????

int main()
{
A aa1?? B b??
CLASS_CTOR(A??aa1)??                              //--???? aa1 ???? aa1.init(&aa1??5)??                                                               //--????? aa1 ????aa1.put(&aa1)??                                                               //--???? aa1 ???????????
CLASS_CTOR(B?? b)??                                //---???? b ????
b.init(&b??100??78)??                                     //--????? b ???????????? A ??????????
b.put(&b)??                                                //--???? b ??????????
b.A.put(&b.A)??                                         //--???? b ??????????????
return 0??
??

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