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/* see copyright notice in squirrel.h */
#ifndef _SQUSERDATA_H_
#define _SQUSERDATA_H_
struct SQUserData : SQDelegable
{
SQUserData(SQSharedState *ss){ _delegate = 0; _hook = NULL; INIT_CHAIN(); ADD_TO_CHAIN(&_ss(this)->_gc_chain, this); }
~SQUserData()
{
REMOVE_FROM_CHAIN(&_ss(this)->_gc_chain, this);
SetDelegate(NULL);
}
static SQUserData* Create(SQSharedState *ss, SQInteger size)
{
SQUserData* ud = (SQUserData*)SQ_MALLOC(sq_aligning(sizeof(SQUserData))+size);
new (ud) SQUserData(ss);
ud->_size = size;
ud->_typetag = 0;
return ud;
}
#ifndef NO_GARBAGE_COLLECTOR
void Mark(SQCollectable **chain);
void Finalize(){SetDelegate(NULL);}
SQObjectType GetType(){ return OT_USERDATA;}
#endif
void Release() {
if (_hook) _hook((SQUserPointer)sq_aligning(this + 1),_size);
SQInteger tsize = _size;
this->~SQUserData();
SQ_FREE(this, sq_aligning(sizeof(SQUserData)) + tsize);
}
SQInteger _size;
SQRELEASEHOOK _hook;
SQUserPointer _typetag;
//SQChar _val[1];
};
#endif //_SQUSERDATA_H_
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