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74 lines
2.1 KiB
74 lines
2.1 KiB
15 years ago
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/*
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* This file is part of the KDE libraries
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* Copyright (C) 1999-2000 Harri Porten (porten@kde.org)
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* Copyright (C) 2001 Peter Kelly (pmk@post.com)
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* Copyright (C) 2003 Apple Computer, Inc.
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*
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* This library is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Lesser General Public
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* License as published by the Free Software Foundation; either
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* version 2 of the License, or (at your option) any later version.
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*
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* This library is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* Lesser General Public License for more details.
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*
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* You should have received a copy of the GNU Lesser General Public
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* License along with this library; if not, write to the Free Software
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* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
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*
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*/
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#ifndef _KJSCOLLECTOR_H_
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#define _KJSCOLLECTOR_H_
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#define KJS_MEM_LIMIT 500000
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#include "global.h"
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#include <stdio.h> // for size_t
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namespace KJS {
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/**
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* @short Garbage collector.
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*/
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class Collector {
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// disallow direct construction/destruction
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Collector();
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public:
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/**
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* Register an object with the collector. The following assumptions are
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* made:
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* @li the operator new() of the object class is overloaded.
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* @li operator delete() has been overloaded as well and does not free
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* the memory on its own.
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*
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* @param s Size of the memory to be registered.
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* @return A pointer to the allocated memory.
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*/
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static void* allocate(size_t s);
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/**
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* Run the garbage collection. This involves calling the delete operator
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* on each object and freeing the used memory.
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*/
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static bool collect();
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static int size();
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static bool outOfMemory() { return memoryFull; }
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#ifdef KJS_DEBUG_MEM
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/**
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* Check that nothing is left when the last interpreter gets deleted
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*/
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static void finalCheck();
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#endif
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private:
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static bool memoryFull;
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};
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}
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#endif /* _KJSCOLLECTOR_H_ */
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