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09bd40334c
git-svn-id: svn+ssh://svn.gna.org/svn/gnustep/libs/base/trunk@32545 72102866-910b-0410-8b05-ffd578937521
122 lines
2.8 KiB
Objective-C
122 lines
2.8 KiB
Objective-C
/** Interface for simple garbage collected classes
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Copyright (C) 2002 Free Software Foundation, Inc.
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Written by: Richard Frith-Macdonald <rfm@gnu.org>
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Inspired by gc classes of Ovidiu Predescu and Mircea Oancea
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This file is part of the GNUstep Base Library.
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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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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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Library General Public License for more details.
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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
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Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
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Boston, MA 02111 USA.
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AutogsdocSource: Additions/GCObject.m
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AutogsdocSource: Additions/GCArray.m
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AutogsdocSource: Additions/GCDictionary.m
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*/
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#ifndef __INCLUDED_GCOBJECT_H
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#define __INCLUDED_GCOBJECT_H
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#ifndef NeXT_Foundation_LIBRARY
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#import <Foundation/NSObject.h>
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#import <Foundation/NSArray.h>
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#import <Foundation/NSDictionary.h>
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#import <Foundation/NSMapTable.h>
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#else
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#import <Foundation/Foundation.h>
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#endif
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#if defined(__cplusplus)
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extern "C" {
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#endif
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@class GCObject;
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typedef struct {
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GCObject *next;
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GCObject *previous;
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struct {
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unsigned visited:1;
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unsigned refCount:31;
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} flags;
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} gcInfo;
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@interface GCObject : NSObject
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{
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gcInfo gc;
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}
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+ (void) gcCollectGarbage;
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+ (BOOL) gcIsCollecting;
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+ (void) gcObjectWillBeDeallocated: (GCObject*)anObject;
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- (void) gcDecrementRefCount;
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- (void) gcDecrementRefCountOfContainedObjects;
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- (void) gcIncrementRefCount;
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- (BOOL) gcIncrementRefCountOfContainedObjects;
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@end
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@interface GCObject (Extra)
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- (GCObject*) gcNextObject;
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- (GCObject*) gcPreviousObject;
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- (GCObject*) gcSetNextObject: (GCObject*)anObject;
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- (GCObject*) gcSetPreviousObject: (GCObject*)anObject;
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- (BOOL) gcAlreadyVisited;
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- (void) gcSetVisited: (BOOL)flag;
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@end
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@interface GCArray : NSArray
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{
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gcInfo gc;
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id *_contents; // C array of content objects
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BOOL *_isGCObject; // Is content object collectable?
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unsigned int _count; // Number of content objects.
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}
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@end
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@interface GCMutableArray : NSMutableArray
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{
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gcInfo gc;
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id *_contents;
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BOOL *_isGCObject;
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unsigned _count;
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unsigned _maxCount; // Maximum number of content objects.
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}
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@end
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@interface GCDictionary : NSDictionary
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{
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gcInfo gc;
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NSMapTable *_map;
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}
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@end
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@interface GCMutableDictionary : NSMutableDictionary
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{
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gcInfo gc;
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NSMapTable *_map;
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}
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@end
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#if defined(__cplusplus)
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}
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#endif
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#endif /* __INCLUDED_GCOBJECT_H */
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