View difference between Paste ID: N4b5X5ZL and SkeYS8J5

 #define $(x,y, args...) x->y(x, ## args)
 #define new(x, args...) new ## x (args)
 #define class(x) #define __CLASS__ x
 #define method(returns, name, args...) \
 #define __METHODS__ __METHODS__ ## returns (* name )( __CLASS__ *, ## args ); \
 returns name ( args )
 #define instance_var(arg) #define __METHODS__ ## arg ;
 #define end() \
         typedef struct {\
                 __METHODS__\
         } __CLASS__;\
 #undef __CLASS__ \
 #undef __METHODS__
 
 class(Foo)
         method(void, foo, char *text)
         {
                 printf("%s%c\n", text, self->ending);
         }
         instance_variable(ending);
 end()
 
 Foo *newFoo()
 {
         Foo *foo = (Foo*)malloc(sizeof(Foo));
         return foo;
 }
 
 int main()
 {
         Foo *foo = new(Foo);
         foo->ending = '!';
         $(foo, foo);
         return 0;
 }