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/** \file
* Inkscape::GC::Managed - base class for GC-managed objects
*
* Copyright 2004 MenTaLguY <mental@rydia.net>
*
* 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.
*
* See the file COPYING for details.
*
*/
#ifndef SEEN_INKSCAPE_GC_MANAGED_H
#define SEEN_INKSCAPE_GC_MANAGED_H
#include "gc-core.h"
namespace Inkscape {
namespace GC {
/** @brief A base class for objects for whom the normal new and delete
* operators should use the garbage-collected allocator
*/
template <ScanPolicy default_scan=SCANNED,
CollectionPolicy default_collect=AUTO>
class Managed {
public:
/** @brief Registers a pointer to be cleared when this object becomes
* inaccessible.
*/
template <typename T>
void clearOnceInaccessible(T **p_ptr) {
Core::general_register_disappearing_link(
reinterpret_cast<void **>(p_ptr), Core::base(this)
);
}
/** @brief Cancels the registration of a pointer, so it will not be
* cleared when this object becomes inacessible.
*/
template <typename T>
void cancelClearOnceInaccessible(T **p_ptr) {
Core::unregister_disappearing_link(
reinterpret_cast<void **>(p_ptr)
);
}
void *operator new(std::size_t size,
ScanPolicy scan=default_scan,
CollectionPolicy collect=default_collect)
throw (std::bad_alloc)
{
return ::operator new(size, scan, collect);
}
void *operator new[](std::size_t size,
ScanPolicy scan=default_scan,
CollectionPolicy collect=default_collect)
throw (std::bad_alloc)
{
return ::operator new[](size, scan, collect);
}
void operator delete(void *p) { return ::operator delete(p, GC); }
};
}
}
#endif
/*
Local Variables:
mode:c++
c-file-style:"stroustrup"
c-file-offsets:((innamespace . 0)(inline-open . 0)(case-label . +))
indent-tabs-mode:nil
fill-column:99
End:
*/
// vim: filetype=cpp:expandtab:shiftwidth=4:tabstop=8:softtabstop=4:encoding=utf-8:textwidth=99 :
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