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#ifndef HEADER_Object
#define HEADER_Object
/*
htop - Object.h
(C) 2004-2012 Hisham H. Muhammad
(C) 2020 Red Hat, Inc. All Rights Reserved.
Released under the GNU GPLv2+, see the COPYING file
in the source distribution for its full text.
*/
#include <assert.h>
#include <stdbool.h>
#include "RichString.h"
#include "XUtils.h" // IWYU pragma: keep
struct Object_;
typedef struct Object_ Object;
typedef void(*Object_Display)(const Object*, RichString*);
typedef int(*Object_Compare)(const void*, const void*);
typedef void(*Object_Delete)(Object*);
#define Object_getClass(obj_) ((const Object*)(obj_))->klass
#define Object_setClass(obj_, class_) (((Object*)(obj_))->klass = (const ObjectClass*) (class_))
#define Object_delete(obj_) (assert(Object_getClass(obj_)->delete), Object_getClass(obj_)->delete((Object*)(obj_)))
#define Object_displayFn(obj_) Object_getClass(obj_)->display
#define Object_display(obj_, str_) (assert(Object_getClass(obj_)->display), Object_getClass(obj_)->display((const Object*)(obj_), str_))
#define Object_compare(obj_, other_) (assert(Object_getClass(obj_)->compare), Object_getClass(obj_)->compare((const void*)(obj_), other_))
#define Class(class_) ((const ObjectClass*)(&(class_ ## _class)))
#define AllocThis(class_) (class_*) xMalloc(sizeof(class_)); Object_setClass(this, Class(class_))
typedef struct ObjectClass_ {
const void* const extends;
const Object_Display display;
const Object_Delete delete;
const Object_Compare compare;
} ObjectClass;
struct Object_ {
const ObjectClass* klass;
};
typedef union {
int i;
void* v;
} Arg;
extern const ObjectClass Object_class;
bool Object_isA(const Object* o, const ObjectClass* klass);
#endif
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