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/* Interface for Objective-C LinkedList collection object

   Copyright (C) 1993 R. Andrew McCallum <mccallum@cs.rochester.edu>
   Dept. of Computer Science, U. of Rochester, Rochester, NY  14627

   This file is part of the GNU Objective-C Collection library.

   This library is free software; you can redistribute it and/or
   modify it under the terms of the GNU Library General Public
   License as published by the Free Software Foundation; either
   version 2 of the License, or (at your option) any later version.
   
   This library is distributed in the hope that it will be useful,
   but WITHOUT ANY WARRANTY; without even the implied warranty of
   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
   Library General Public License for more details.

   You should have received a copy of the GNU Library General Public
   License along with this library; if not, write to the Free
   Software Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
*/ 

#ifndef __LinkedList_h_INCLUDE_GNU
#define __LinkedList_h_INCLUDE_GNU

#include <coll/IndexedCollection.h>
#include <coll/LinkList.h>

@interface LinkedList : IndexedCollection
{
  @public
  LinkList *_contents_list;
}

// The class of the default link objects;
- linkClass;

// Getting the LinkList that holds the contents;
- contentsList;

// Finding the link that contains anElement;
- linkWithElement: (elt)anElement;

@end

#define FOR_LINKEDLIST(LINKEDLIST, ELEMENT_VAR)                         \
{                                                                       \
  Link* _FOR_LINKEDLIST_link;                                           \
  unsigned _FOR_LINKEDLIST_i;                                           \
  for (_FOR_LINKEDLIST_link = ((LinkedList*)LINKEDLIST)->_firstLink,    \
       _FOR_LINKEDLIST_i = 0;                                           \
       _FOR_LINKEDLIST_i < ((LinkedList*)LINKEDLIST)->_count;           \
       _FOR_LINKEDLIST_link = _FOR_LINKEDLIST_link->next,               \
       _FOR_LINKEDLIST_i++)                                             \
    {                                                                   \
       ELEMENT_VAR = (typeof(ELEMENT_VAR))                              \
	 (_FOR_LINKEDLIST_link->_element.void_ptr_t);

/* Yucky casting in assignment of ELEMENT_VAR ? */

#define FOR_LINKEDLIST_END  }}

#endif /* __LinkedList_h_INCLUDE_GNU */

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