【原创】C语言面向对象,this call C语言实现class

#include <stdio.h>
#include <stdlib.h>







typedef struct user_t
{
    int t;
    char *userName;
    void (*setUserName)(char* name,int);
    void (*print)();

    
}UserT;









/*重点在这里*/
#define THIS_CALL     
int ex;
{_asm mov ecx, ebp}
{_asm sub eax, ecx}
{_asm sub eax, 4h}
{_asm mov ecx, eax}
{_asm mov eax, ebp}
{_asm go_sub :}
{_asm add eax, 4}
{_asm sub ecx, 4h}
{_asm jg go_sub}
{_asm mov ecx, esp}
{_asm mov esp, eax}
{_asm pop eax}
{_asm mov ex, eax}
{_asm mov esp, ecx}



#define FUNC(Type,f,arg) f##arg {
THIS_CALL 
Type this;
this = (Type)ex;


//GO语言定义方式
#define func(Type,f,arg,rt) rt f##arg {
THIS_CALL 
Type this;
this = (Type)ex;



func (UserT*, setUserNamae, (char *name, int a),void)
    this->userName = name;
    this->userName = name;
}


func (UserT*, print, (), void)
    printf("%s
", this->userName);
}





#define CALL_S(e)
size_t addr = e; 
{_asm mov eax, esp}
{_asm push addr}


#define $$(e) {CALL_S(e);} (0,
e)

void initUser(struct  user_t* u) {
    u->setUserName = setUserNamae;
    u->print = print;
}




int main() {

    struct  user_t User;initUser(&User);
    $$(&User)->setUserName("张飞", 2);
    $$(&User)->print();
    while (1){}
}