1 /*
2  * Copyright (C) 2007 The Android Open Source Project
3  *
4  * Licensed under the Apache License, Version 2.0 (the "License");
5  * you may not use this file except in compliance with the License.
6  * You may obtain a copy of the License at
7  *
8  *      http://www.apache.org/licenses/LICENSE-2.0
9  *
10  * Unless required by applicable law or agreed to in writing, software
11  * distributed under the License is distributed on an "AS IS" BASIS,
12  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
13  * See the License for the specific language governing permissions and
14  * limitations under the License.
15  */
16 
17 package com.android.dx.rop.cst;
18 
19 /**
20  * Constants which are literal 64-bit values of some sort.
21  */
22 public abstract class CstLiteral64
23         extends CstLiteralBits {
24     /** the value as {@code long} bits */
25     private final long bits;
26 
27     /**
28      * Constructs an instance.
29      *
30      * @param bits the value as {@code long} bits
31      */
CstLiteral64(long bits)32     /*package*/ CstLiteral64(long bits) {
33         this.bits = bits;
34     }
35 
36     /** {@inheritDoc} */
37     @Override
equals(Object other)38     public final boolean equals(Object other) {
39         return (other != null) &&
40             (getClass() == other.getClass()) &&
41             bits == ((CstLiteral64) other).bits;
42     }
43 
44     /** {@inheritDoc} */
45     @Override
hashCode()46     public final int hashCode() {
47         return (int) bits ^ (int) (bits >> 32);
48     }
49 
50     /** {@inheritDoc} */
51     @Override
compareTo0(Constant other)52     protected int compareTo0(Constant other) {
53         long otherBits = ((CstLiteral64) other).bits;
54 
55         if (bits < otherBits) {
56             return -1;
57         } else if (bits > otherBits) {
58             return 1;
59         } else {
60             return 0;
61         }
62     }
63 
64     /** {@inheritDoc} */
65     @Override
isCategory2()66     public final boolean isCategory2() {
67         return true;
68     }
69 
70     /** {@inheritDoc} */
71     @Override
fitsInInt()72     public final boolean fitsInInt() {
73         return (int) bits == bits;
74     }
75 
76     /** {@inheritDoc} */
77     @Override
getIntBits()78     public final int getIntBits() {
79         return (int) bits;
80     }
81 
82     /** {@inheritDoc} */
83     @Override
getLongBits()84     public final long getLongBits() {
85         return bits;
86     }
87 }
88