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comparison agent/src/share/classes/sun/jvm/hotspot/code/ConstantDoubleValue.java @ 0:a61af66fc99e jdk7-b24

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author duke
date Sat, 01 Dec 2007 00:00:00 +0000
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children c18cbe5936b8
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-1:000000000000 0:a61af66fc99e
1 /*
2 * Copyright 2000 Sun Microsystems, Inc. All Rights Reserved.
3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
4 *
5 * This code is free software; you can redistribute it and/or modify it
6 * under the terms of the GNU General Public License version 2 only, as
7 * published by the Free Software Foundation.
8 *
9 * This code is distributed in the hope that it will be useful, but WITHOUT
10 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
11 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
12 * version 2 for more details (a copy is included in the LICENSE file that
13 * accompanied this code).
14 *
15 * You should have received a copy of the GNU General Public License version
16 * 2 along with this work; if not, write to the Free Software Foundation,
17 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
18 *
19 * Please contact Sun Microsystems, Inc., 4150 Network Circle, Santa Clara,
20 * CA 95054 USA or visit www.sun.com if you need additional information or
21 * have any questions.
22 *
23 */
24
25 package sun.jvm.hotspot.code;
26
27 import java.io.*;
28
29 /** A ConstantDoubleValue describes a constant double; i.e., the
30 corresponding logical entity is either a source constant or its
31 computation has been constant-folded. */
32
33 public class ConstantDoubleValue extends ScopeValue {
34 private double value;
35
36 public ConstantDoubleValue(double value) {
37 this.value = value;
38 }
39
40 public boolean isConstantDouble() {
41 return true;
42 }
43
44 public double getValue() {
45 return value;
46 }
47
48 /** Serialization of debugging information */
49 ConstantDoubleValue(DebugInfoReadStream stream) {
50 value = stream.readDouble();
51 }
52
53 // FIXME: not yet implementable
54 // void write_on(DebugInfoWriteStream* stream);
55
56 // Printing
57
58 public void print() {
59 printOn(System.out);
60 }
61
62 public void printOn(PrintStream tty) {
63 tty.print(value);
64 }
65 }