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comparison agent/src/share/classes/sun/jvm/hotspot/runtime/SignatureConverter.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 2002 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 class SignatureConverter extends SignatureIterator {
30 private StringBuffer buf;
31 private boolean first = true;
32
33 public SignatureConverter(Symbol sig, StringBuffer buf) {
34 super(sig);
35 this.buf = buf;
36 }
37
38 public void doBool () { appendComma(); buf.append("boolean"); }
39 public void doChar () { appendComma(); buf.append("char"); }
40 public void doFloat () { appendComma(); buf.append("float"); }
41 public void doDouble() { appendComma(); buf.append("double"); }
42 public void doByte () { appendComma(); buf.append("byte"); }
43 public void doShort () { appendComma(); buf.append("short"); }
44 public void doInt () { appendComma(); buf.append("int"); }
45 public void doLong () { appendComma(); buf.append("long"); }
46 public void doVoid () {
47 if(isReturnType()) {
48 appendComma(); buf.append("void");
49 } else {
50 throw new RuntimeException("Should not reach here");
51 }
52 }
53
54 public void doObject(int begin, int end) { doObject(begin, end, true); }
55 public void doArray (int begin, int end) {
56 appendComma();
57 int inner = arrayInnerBegin(begin);
58 switch (_signature.getByteAt(inner)) {
59 case 'B': buf.append("byte"); break;
60 case 'C': buf.append("char"); break;
61 case 'D': buf.append("double"); break;
62 case 'F': buf.append("float"); break;
63 case 'I': buf.append("int"); break;
64 case 'J': buf.append("long"); break;
65 case 'S': buf.append("short"); break;
66 case 'Z': buf.append("boolean"); break;
67 case 'L': doObject(inner + 1, end, false); break;
68 default: break;
69 }
70 for (int i = 0; i < inner - begin + 1; i++) {
71 buf.append("[]");
72 }
73 }
74
75 public void appendComma() {
76 if (!first) {
77 buf.append(", ");
78 }
79 first = false;
80 }
81
82 private void doObject(int begin, int end, boolean comma) {
83 if (comma) {
84 appendComma();
85 }
86 appendSubstring(begin, end - 1);
87 }
88
89 private void appendSubstring(int begin, int end) {
90 for (int i = begin; i < end; i++) {
91 buf.append((char) (_signature.getByteAt(i) & 0xFF));
92 }
93 }
94
95 private int arrayInnerBegin(int begin) {
96 while (_signature.getByteAt(begin) == '[') {
97 ++begin;
98 }
99 return begin;
100 }
101 }