objects.h

/*
Copyright (C) 2006  Adam Charrett

This program is free software; you can redistribute it and/or
modify it under the terms of the GNU General Public License
as published by the Free Software Foundation; either version 2
of the License, or (at your option) any later version.

This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
GNU General Public License for more details.

You should have received a copy of the GNU General Public License
along with this program; if not, write to the Free Software
Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA

Objects.h

Object memory management.

*/

#ifndef _OBJECTS_H
#define _OBJECTS_H
#include "types.h"

#define OBJECT_OK                   0 
#define OBJECT_ERR_OUT_OF_MEMORY    1 
#define OBJECT_ERR_CLASS_REGISTERED 2 
#define OBJECT_ERR_CLASS_NOT_FOUND  3 
typedef void (*ObjectDestructor_t)(void *ptr);

int ObjectInit(void);
int ObjectDeinit(void);

int ObjectRegisterClass(char *classname, unsigned int size, ObjectDestructor_t destructor);

#define ObjectRegisterType(_type) ObjectRegisterClass(TOSTRING(_type), sizeof(_type), NULL)

#define ObjectRegisterTypeDestructor(_type, _destructor) ObjectRegisterClass(TOSTRING(_type), sizeof(_type), _destructor)

#define ObjectCreate(_classname) ObjectCreateImpl(_classname, __FILE__, __LINE__)

void *ObjectCreateImpl(char *classname, char *file, int line);
 
#define ObjectCreateType(_type) ObjectCreate(TOSTRING(_type))

#define ObjectRefInc(_ptr) ObjectRefIncImpl(_ptr, __FILE__, __LINE__)

void ObjectRefIncImpl(void *ptr, char *file, int line);

#define ObjectRefDec(_ptr) ObjectRefDecImpl(_ptr, __FILE__, __LINE__)

bool ObjectRefDecImpl(void *ptr, char *file, int line);

int ObjectRefCount(void *ptr);

bool ObjectIsObject(void *ptr);

char *ObjectGetObjectClass(void * ptr);

#define ObjectAlloc(_size) ObjectAllocImpl(_size, __FILE__, __LINE__)

void *ObjectAllocImpl(int size, char * file, int line);

#define ObjectFree(_ptr) ObjectFreeImpl(_ptr, __FILE__, __LINE__)

void ObjectFreeImpl(void * ptr, char * file, int line);

void ObjectDump(void *ptr);

#endif

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