CstLiteral64.java revision 579d7739c53a2707ad711a2d2cae46d7d782f061 
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
17package com.android.dx.rop.cst;
18
19/**
20 * Constants which are literal 64-bit values of some sort.
21 */
22public 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     */
32    /*package*/ CstLiteral64(long bits) {
33        this.bits = bits;
34    }
35
36    /** {@inheritDoc} */
37    @Override
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
46    public final int hashCode() {
47        return (int) bits ^ (int) (bits >> 32);
48    }
49
50    /** {@inheritDoc} */
51    @Override
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
66    public final boolean isCategory2() {
67        return true;
68    }
69
70    /** {@inheritDoc} */
71    @Override
72    public final boolean fitsInInt() {
73        return (int) bits == bits;
74    }
75
76    /** {@inheritDoc} */
77    @Override
78    public final int getIntBits() {
79        return (int) bits;
80    }
81
82    /** {@inheritDoc} */
83    @Override
84    public final long getLongBits() {
85        return bits;
86    }
87}
88