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comparison agent/src/share/classes/sun/jvm/hotspot/runtime/SignatureInfo.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 2001 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.runtime;
26
27 import sun.jvm.hotspot.oops.*;
28
29 public abstract class SignatureInfo extends SignatureIterator {
30 protected boolean hasIterated; // need this because iterate cannot be called in constructor (set is virtual!)
31 protected int size;
32 protected int type; // BasicType
33
34 protected void lazyIterate() {
35 if (!hasIterated) {
36 iterate();
37 hasIterated = true;
38 }
39 }
40
41 protected abstract void set(int size, int /*BasicType*/ type);
42
43 public void doBool() { set(BasicTypeSize.getTBooleanSize(), BasicType.getTBoolean()); }
44 public void doChar() { set(BasicTypeSize.getTCharSize(), BasicType.getTChar()); }
45 public void doFloat() { set(BasicTypeSize.getTFloatSize(), BasicType.getTFloat()); }
46 public void doDouble() { set(BasicTypeSize.getTDoubleSize(), BasicType.getTDouble()); }
47 public void doByte() { set(BasicTypeSize.getTByteSize(), BasicType.getTByte()); }
48 public void doShort() { set(BasicTypeSize.getTShortSize(), BasicType.getTShort()); }
49 public void doInt() { set(BasicTypeSize.getTIntSize(), BasicType.getTInt()); }
50 public void doLong() { set(BasicTypeSize.getTLongSize(), BasicType.getTLong()); }
51 public void doVoid() { set(BasicTypeSize.getTVoidSize(), BasicType.getTVoid()); }
52 public void doObject(int begin, int end) { set(BasicTypeSize.getTObjectSize(), BasicType.getTObject()); }
53 public void doArray(int begin, int end) { set(BasicTypeSize.getTArraySize(), BasicType.getTArray()); }
54
55 public SignatureInfo(Symbol signature) {
56 super(signature);
57
58 type = BasicType.getTIllegal();
59 }
60
61 public int size() { lazyIterate(); return size; }
62 public int type() { lazyIterate(); return type; }
63 }