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#if defined(__COBJ_PUB__) && defined(__COBJ_DECL__) || defined(__COBJ_IMPL__) && defined(__COBJ_H__)
# undef Atom
# undef Attr
# undef Call
# undef Class
# undef DefaultDelete
# undef Define
# undef Del
# undef Func
# undef GET
# undef Get
# undef List
# undef New
# undef Prop
# undef Self
# undef Set
# undef TYPE
# undef UNUSED
# undef __COBJ_DECL__
# undef __COBJ_PUB__
#endif
#if ! defined(__COBJ_H__) && ! defined(__COBJ_IMPL__) && ! defined(__COBJ_DECL__)
# define Get(instance, field, ...) \
(instance)->get_##field(instance, ## __VA_ARGS__)
# define Set(instance, field, ...) \
(instance)->set_##field(instance, ## __VA_ARGS__)
# define Call(instance, fun, ...) \
(instance)->fun(instance, ## __VA_ARGS__)
# define New(klass, ...) \
klass##_new(__VA_ARGS__)
# define Del(instance) \
(instance)->destroy((instance)), instance = NULL
#elif defined(__COBJ_DECL__)
# define Class(klass, data, ...) \
typedef struct __##klass##_impl * klass; \
klass klass ## _new(__VA_ARGS__); \
void klass ## _delete(klass); \
struct __##klass##_impl data
# define List(klass, field, type, dim, ...) \
type _property_ ## field dim; \
type* (*get_ ## field)(klass, ## __VA_ARGS__); \
bool (*set_ ## field)(klass, ## __VA_ARGS__, const type * const)
# define Atom(klass, field, type, ...) \
type _property_ ## field; \
type (*get_ ## field)(klass, ## __VA_ARGS__);\
bool (*set_ ## field)(klass, ## __VA_ARGS__, type)
# define Func(klass, name, type, ...) \
type (*name)(klass, ## __VA_ARGS__)
# define Del(klass) \
void (*destroy)(klass)
#elif defined(__COBJ_IMPL__)
# define UNUSED(arg) while(0 && (arg))
# define TYPE(klass) \
struct __ ## klass ## _impl
# define Get(klass, field, type, body, ...) \
type klass##_get_##field(klass self, ## __VA_ARGS__) \
body
# define Set(klass, field, type, body, ...) \
bool klass##_set_##field(klass self, ## __VA_ARGS__, type value) \
body
# define Def(klass, name, type, body, ...) \
type klass##_##name(klass self, ## __VA_ARGS__) \
body
# define New(klass, body, ...) \
klass klass ## _new(__VA_ARGS__) { \
klass self = (klass)malloc(sizeof(TYPE(klass))); \
if(self != NULL) { \
self->destroy = (& klass ## _delete); \
body; \
} \
return self; \
}
# define Del(klass, body, ...) \
void klass ## _delete(klass self, ## __VA_ARGS__) \
body
# define Prop(klass, name) \
(self->get_ ## name) = (& klass ## _ ## get_ ## name), \
(self->set_ ## name) = (& klass ## _ ## set_ ## name)
# define Func(klass, name) \
(self->name) = (& klass ## _ ## name)
# define Self(name) \
self->_property_ ## name
# define Attr(instance, name) \
(instance)->_property_ ## name
# define Call(instance, fun, ...) \
(instance)->fun(instance, ## __VA_ARGS__)
# define DefaultDelete { \
if(self != NULL) free(self); \
}
#endif
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