antlr.v4.runtime.misc.IntegerStack source code

1 /*
2  * [The "BSD license"]
3  *  Copyright (c) 2012 Terence Parr
4  *  Copyright (c) 2012 Sam Harwell
5  *  All rights reserved.
6  *
7  *  Redistribution and use in source and binary forms, with or without
8  *  modification, are permitted provided that the following conditions
9  *  are met:
10  *
11  *  1. Redistributions of source code must retain the above copyright
12  *     notice, this list of conditions and the following disclaimer.
13  *  2. Redistributions in binary form must reproduce the above copyright
14  *     notice, this list of conditions and the following disclaimer in the
15  *     documentation and/or other materials provided with the distribution.
16  *  3. The name of the author may not be used to endorse or promote products
17  *     derived from this software without specific prior written permission.
18  *
19  *  THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
20  *  IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
21  *  OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
22  *  IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
23  *  INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
24  *  NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
25  *  DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
26  *  THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
27  *  (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
28  *  THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
29  */
30 
31 module antlr.v4.runtime.misc.IntegerStack;
32 
33 import antlr.v4.runtime.misc.IntegerList;
34 
35 /**
36  * TODO add class description
37  */
38 class IntegerStack : IntegerList
39 {
40 
41     public this()
42     {
43     }
44 
45     public this(int capacity)
46     {
47     }
48 
49     public this(IntegerStack list)
50     {
51         data_ = list.data;
52     }
53 
54     /**
55      * @uml
56      * @final
57      */
58     public final void push(int value)
59     {
60         data_ ~= value;
61     }
62 
63     /**
64      * @uml
65      * @final
66      */
67     public final int pop()
68     {
69         int i = data_[$-1];
70         data_.length --;
71         return i;
72     }
73 
74     /**
75      * @uml
76      * @final
77      */
78     public final int peek()
79     {
80         return data_[$-1];
81     }
82 
83 }