1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
|
/*******************************************************************************
* Copyright (c) 2007, 2008 Wind River Systems, Inc. and others.
* All rights reserved. This program and the accompanying materials
* are made available under the terms of the Eclipse Public License v1.0
* which accompanies this distribution, and is available at
* http://www.eclipse.org/legal/epl-v10.html
*
* Contributors:
* Wind River Systems - initial API and implementation
*******************************************************************************/
package org.eclipse.tm.internal.tcf.debug.ui.model;
import java.math.BigInteger;
import java.util.Arrays;
import org.eclipse.debug.internal.ui.viewers.model.provisional.ILabelUpdate;
import org.eclipse.debug.internal.ui.viewers.model.provisional.IModelDelta;
import org.eclipse.debug.internal.ui.viewers.model.provisional.IPresentationContext;
import org.eclipse.debug.ui.IDebugUIConstants;
import org.eclipse.swt.graphics.RGB;
import org.eclipse.tm.internal.tcf.debug.ui.ImageCache;
import org.eclipse.tm.tcf.protocol.IChannel;
import org.eclipse.tm.tcf.protocol.IToken;
import org.eclipse.tm.tcf.services.IRegisters;
import org.eclipse.tm.tcf.util.TCFDataCache;
//TODO: hierarchical registers
public class TCFNodeRegister extends TCFNode {
/**
* Presentation column IDs.
*/
public static final String
COL_NAME = "Name",
COL_HEX_VALUE = "HexValue",
COL_DEC_VALUE = "DecValue",
COL_DESCRIPTION = "Description",
COL_READBLE = "Readable",
COL_READ_ONCE = "ReadOnce",
COL_WRITEABLE = "Writeable",
COL_WRITE_ONCE = "WriteOnce",
COL_SIDE_EFFECTS = "SideEffects",
COL_VOLATILE = "Volatile",
COL_FLOAT = "Float",
COL_MNEMONIC = "Menimonic";
private final TCFDataCache<IRegisters.RegistersContext> context;
private final TCFDataCache<byte[]> value;
TCFNodeRegister(TCFNode parent, final String id) {
super(parent, id);
IChannel channel = parent.model.getLaunch().getChannel();
context = new TCFDataCache<IRegisters.RegistersContext>(channel) {
@Override
protected boolean startDataRetrieval() {
IRegisters regs = model.getLaunch().getService(IRegisters.class);
command = regs.getContext(id, new IRegisters.DoneGetContext() {
public void doneGetContext(IToken token, Exception error, IRegisters.RegistersContext context) {
set(token, error, context);
}
});
return false;
}
};
value = new TCFDataCache<byte[]>(channel) {
@Override
protected boolean startDataRetrieval() {
if (!context.validate()) {
context.wait(this);
return false;
}
IRegisters.RegistersContext ctx = context.getData();
if (ctx == null) {
set(null, null, null);
return true;
}
command = ctx.get(new IRegisters.DoneGet() {
public void doneGet(IToken token, Exception error, byte[] value) {
set(token, error, value);
}
});
return false;
}
};
}
@Override
protected void getData(ILabelUpdate result) {
result.setImageDescriptor(ImageCache.getImageDescriptor(getImageName()), 0);
IRegisters.RegistersContext ctx = context.getData();
Throwable error = context.getError();
if (error != null) {
result.setForeground(new RGB(255, 0, 0), 0);
result.setLabel(id + ": " + error.getClass().getName() + ": " + error.getMessage(), 0);
}
else if (ctx != null) {
String[] cols = result.getColumnIds();
if (cols == null) {
setLabel(result, -1, 16);
}
else {
for (int i = 0; i < cols.length; i++) {
String c = cols[i];
if (c.equals(COL_NAME)) result.setLabel(ctx.getName(), i);
else if (c.equals(COL_HEX_VALUE)) setLabel(result, i, 16);
else if (c.equals(COL_DEC_VALUE)) setLabel(result, i, 10);
else if (c.equals(COL_DESCRIPTION)) result.setLabel(ctx.getDescription(), i);
else if (c.equals(COL_READBLE)) result.setLabel(bool(ctx.isReadable()), i);
else if (c.equals(COL_READ_ONCE)) result.setLabel(bool(ctx.isReadOnce()), i);
else if (c.equals(COL_WRITEABLE)) result.setLabel(bool(ctx.isWriteable()), i);
else if (c.equals(COL_WRITE_ONCE)) result.setLabel(bool(ctx.isWriteOnce()), i);
else if (c.equals(COL_SIDE_EFFECTS)) result.setLabel(bool(ctx.hasSideEffects()), i);
else if (c.equals(COL_VOLATILE)) result.setLabel(bool(ctx.isVolatile()), i);
else if (c.equals(COL_FLOAT)) result.setLabel(bool(ctx.isFloat()), i);
else if (c.equals(COL_MNEMONIC)) result.setLabel(getMnemonic(ctx), i);
}
}
}
else {
result.setLabel(id, 0);
}
}
private void setLabel(ILabelUpdate result, int col, int radix) {
IRegisters.RegistersContext ctx = context.getData();
Throwable error = value.getError();
byte[] data = value.getData();
if (error != null) {
if (col >= 0) {
result.setForeground(new RGB(255, 0, 0), col);
result.setLabel(error.getMessage(), col);
}
else {
result.setLabel(ctx.getName() + ": " + error.getMessage(), 0);
}
}
else if (data != null) {
byte[] temp = new byte[data.length + 1];
temp[0] = 0; // Extra byte to avoid sign extension by BigInteger
if (ctx.isBigEndian()) {
System.arraycopy(data, 0, temp, 1, data.length);
}
else {
for (int i = 0; i < data.length; i++) {
temp[temp.length - i - 1] = data[i];
}
}
String s = new BigInteger(temp).toString(radix);
switch (radix) {
case 8:
if (!s.startsWith("0")) s = "0" + s;
break;
case 16:
int l = data.length * 2 - s.length();
if (l < 0) l = 0;
if (l > 16) l = 16;
s = "0000000000000000".substring(0, l) + s;
break;
}
if (col >= 0) {
result.setLabel(s, col);
}
else {
result.setLabel(ctx.getName() + " = " + s, 0);
}
}
}
private String bool(boolean b) {
return b ? "yes" : "no";
}
private String getMnemonic(IRegisters.RegistersContext ctx) {
if (value.getData() != null) {
IRegisters.NamedValue[] arr = ctx.getNamedValues();
if (arr != null) {
for (IRegisters.NamedValue n : arr) {
if (Arrays.equals(n.getValue(), value.getData())) return n.getName();
}
}
}
return "";
}
int getRelevantModelDeltaFlags(IPresentationContext p) {
if (IDebugUIConstants.ID_REGISTER_VIEW.equals(p.getId())) {
return IModelDelta.CONTENT | IModelDelta.STATE;
}
return 0;
}
void onValueChanged() {
onSuspended();
}
/**
* Invalidate register value only, keep cached register attributes.
*/
void onSuspended() {
value.reset();
addModelDelta(IModelDelta.STATE);
}
void onRegistersChanged() {
context.reset();
value.reset();
addModelDelta(IModelDelta.STATE | IModelDelta.CONTENT);
}
@Override
public void invalidateNode() {
context.reset();
value.reset();
}
@Override
public boolean validateNode(Runnable done) {
TCFDataCache<?> pending = null;
if (!context.validate()) pending = context;
if (!value.validate()) pending = value;
if (pending != null) {
pending.wait(done);
return false;
}
return true;
}
@Override
protected String getImageName() {
return ImageCache.IMG_REGISTER;
}
}
|
