PointerClass.hpp

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/* Copyright (c) 2005-2009 Rexx Language Association. All rights reserved.    */
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/******************************************************************************/
/* REXX Kernel                                                RexxPointer.hpp */
/*                                                                            */
/* Primitive Pointer Class Definitions                                        */
/*                                                                            */
/******************************************************************************/
#ifndef Included_RexxPointer
#define Included_RexxPointer
 
#include "ObjectClass.hpp"
 
class RexxPointer : public RexxObject
{
public:
    inline void *operator new(size_t, void *ptr) { return ptr; }
    inline void  operator delete(void *, void *) { ; }
    void *operator new(size_t);
    inline void  operator delete(void *) { ; }
 
    inline RexxPointer() { pointerData = NULL; };
    inline RexxPointer(void *ptr)  { pointerData = ptr; };
    inline RexxPointer(RESTORETYPE restoreType) { ; };
    inline void *pointer() { return pointerData; }
 
    RexxObject  *equal(RexxObject *);
    RexxObject  *notEqual(RexxObject *other);
 
    RexxObject  *isNull();
    virtual HashCode getHashValue();
    virtual RexxString *stringValue();
 
    RexxObject *newRexx(RexxObject **args, size_t argc);
 
    static void createInstance();
 
    static RexxClass *classInstance;   // singleton class instance
    static RexxPointer *nullPointer;  // single version of a null pointer
 
protected:
    void *pointerData;               /* actual pointer value              */
};
 
 
inline RexxPointer *new_pointer(void *p)
{
 
    return new RexxPointer(p);
}
#endif