Mercurial > hg > truffle
comparison agent/src/share/classes/sun/jvm/hotspot/bugspot/RegisterPanel.java @ 0:a61af66fc99e jdk7-b24
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author | duke |
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date | Sat, 01 Dec 2007 00:00:00 +0000 |
parents | |
children | c18cbe5936b8 |
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-1:000000000000 | 0:a61af66fc99e |
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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.bugspot; | |
26 | |
27 import java.awt.*; | |
28 import java.util.*; | |
29 import javax.swing.*; | |
30 import javax.swing.table.*; | |
31 | |
32 import sun.jvm.hotspot.debugger.*; | |
33 | |
34 /** Displays registers in a window. FIXME: this will need more work to | |
35 understand and handle register windows. */ | |
36 | |
37 public class RegisterPanel extends JPanel { | |
38 private java.util.List/*<RegisterInfo>*/ registers; | |
39 private AbstractTableModel dataModel; | |
40 private boolean valid; | |
41 private boolean editable; | |
42 private String nullAddressString; | |
43 private ThreadProxy curThread; | |
44 private JTable table; | |
45 | |
46 static class RegisterInfo { | |
47 private String name; | |
48 private Address value; | |
49 | |
50 RegisterInfo(String name, Address value) { | |
51 this.name = name; | |
52 this.value = value; | |
53 } | |
54 | |
55 String getName() { return name; } | |
56 Address getValue() { return value; } | |
57 } | |
58 | |
59 public RegisterPanel() { | |
60 super(); | |
61 | |
62 registers = new ArrayList(); | |
63 | |
64 dataModel = new AbstractTableModel() { | |
65 public int getColumnCount() { return 2; } | |
66 public int getRowCount() { return registers.size(); } | |
67 public String getColumnName(int col) { | |
68 switch (col) { | |
69 case 0: | |
70 return "Register Name"; | |
71 case 1: | |
72 return "Register Value"; | |
73 default: | |
74 throw new RuntimeException("Index " + col + " out of bounds"); | |
75 } | |
76 } | |
77 public Object getValueAt(int row, int col) { | |
78 RegisterInfo info = (RegisterInfo) registers.get(row); | |
79 | |
80 switch (col) { | |
81 case 0: | |
82 return info.getName(); | |
83 case 1: | |
84 if (valid) { | |
85 Address val = info.getValue(); | |
86 if (val != null) { | |
87 return val; | |
88 } else { | |
89 return nullAddressString; | |
90 } | |
91 } else { | |
92 return "-"; | |
93 } | |
94 default: | |
95 throw new RuntimeException("Index (" + col + ", " + row + ") out of bounds"); | |
96 } | |
97 } | |
98 public boolean isCellEditable(int row, int col) { | |
99 if (col == 0) return false; | |
100 if (!valid) return false; | |
101 if (curThread == null) return false; | |
102 if (!curThread.canSetContext()) return false; | |
103 | |
104 // FIXME: add listener to watch for register changes | |
105 // return true; | |
106 return false; | |
107 } | |
108 }; | |
109 | |
110 // Build user interface | |
111 setLayout(new BorderLayout()); | |
112 table = new JTable(dataModel); | |
113 table.setCellSelectionEnabled(true); | |
114 table.setSelectionMode(ListSelectionModel.SINGLE_INTERVAL_SELECTION); | |
115 table.setDragEnabled(true); | |
116 JTableHeader header = table.getTableHeader(); | |
117 header.setReorderingAllowed(false); | |
118 JScrollPane scrollPane = new JScrollPane(table); | |
119 add(scrollPane, BorderLayout.CENTER); | |
120 } | |
121 | |
122 | |
123 /** Updates the register panel with the register set from the | |
124 specified thread. Call this when the process has been suspended | |
125 and the current thread has been set. FIXME: this interface will | |
126 need to change to support register windows. */ | |
127 public void update(ThreadProxy curThread) { | |
128 this.curThread = curThread; | |
129 ThreadContext context = curThread.getContext(); | |
130 editable = curThread.canSetContext(); | |
131 registers.clear(); | |
132 for (int i = 0; i < context.getNumRegisters(); i++) { | |
133 String name = context.getRegisterName(i); | |
134 Address addr = context.getRegisterAsAddress(i); | |
135 if ((nullAddressString == null) && (addr != null)) { | |
136 String addrStr = addr.toString(); | |
137 StringBuffer buf = new StringBuffer(); | |
138 buf.append("0x"); | |
139 int len = addrStr.length() - 2; | |
140 for (int j = 0; j < len; j++) { | |
141 buf.append("0"); | |
142 } | |
143 nullAddressString = buf.toString(); | |
144 } | |
145 registers.add(new RegisterInfo(name, addr)); | |
146 } | |
147 valid = true; | |
148 SwingUtilities.invokeLater(new Runnable() { | |
149 public void run() { | |
150 dataModel.fireTableDataChanged(); | |
151 } | |
152 }); | |
153 } | |
154 | |
155 /** Clears the registers' values. Call this when the processs has | |
156 been resumed. */ | |
157 public void clear() { | |
158 valid = false; | |
159 nullAddressString = null; | |
160 SwingUtilities.invokeLater(new Runnable() { | |
161 public void run() { | |
162 dataModel.fireTableDataChanged(); | |
163 } | |
164 }); | |
165 } | |
166 | |
167 public void setFont(Font font) { | |
168 super.setFont(font); | |
169 if (table != null) { | |
170 table.setFont(font); | |
171 } | |
172 } | |
173 } |