xref: /386bsd/usr/include/nonstd/gnu/g++/gen/Deque.hP (revision a2142627)
1// This may look like C code, but it is really -*- C++ -*-
2/*
3Copyright (C) 1988 Free Software Foundation
4    written by Doug Lea (dl@rocky.oswego.edu)
5    based on code by Marc Shapiro (shapiro@sor.inria.fr)
6
7This file is part of GNU CC.
8
9GNU CC is distributed in the hope that it will be useful,
10but WITHOUT ANY WARRANTY.  No author or distributor
11accepts responsibility to anyone for the consequences of using it
12or for whether it serves any particular purpose or works at all,
13unless he says so in writing.  Refer to the GNU CC General Public
14License for full details.
15
16Everyone is granted permission to copy, modify and redistribute
17GNU CC, but only under the conditions described in the
18GNU CC General Public License.   A copy of this license is
19supposed to have been given to you along with GNU CC so you
20can know your rights and responsibilities.  It should be in a
21file named COPYING.  Among other things, the copyright notice
22and this notice must be preserved on all copies.
23*/
24
25
26#ifndef _<T>Deque_h
27#ifdef __GNUG__
28#pragma once
29#pragma interface
30#endif
31#define _<T>Deque_h
32
33#include <builtin.h>
34
35#include "<T>.defs.h"
36
37class <T>Deque
38{
39public:
40                        <T>Deque();
41                        ~<T>Deque();
42
43  virtual void          push(<T&> item) = 0; // insert at front
44  virtual void          enq(<T&> item) = 0;  // insert at rear
45
46  virtual <T>&          front() = 0;
47  virtual <T>&          rear() = 0;
48
49  virtual <T>           deq() = 0;
50  virtual void          del_front() = 0;
51  virtual void          del_rear() = 0;
52
53  virtual int           empty() = 0;
54  virtual int           full() = 0;
55  virtual int           length() = 0;
56  virtual void          clear() = 0;
57
58  virtual int           OK() = 0;
59
60  void                  error(const char*);
61};
62
63#if defined(__OPTIMIZE__) || defined(USE_LIBGXX_INLINES)
64inline <T>Deque::<T>Deque() {}
65#endif
66
67#endif
68