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
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
|
/***
* ASM: a very small and fast Java bytecode manipulation framework
* Copyright (c) 2000-2005 INRIA, France Telecom
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
* 3. Neither the name of the copyright holders nor the names of its
* contributors may be used to endorse or promote products derived from
* this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
* AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
* ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
* LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF
* THE POSSIBILITY OF SUCH DAMAGE.
*/
package org.objectweb.asm.util;
import org.objectweb.asm.AnnotationVisitor;
import org.objectweb.asm.Type;
/**
* An {@link AnnotationVisitor} that prints a disassembled view of the
* annotations it visits.
*
* @author Eric Bruneton
*/
public class TraceAnnotationVisitor extends TraceAbstractVisitor implements
AnnotationVisitor
{
/**
* The {@link AnnotationVisitor} to which this visitor delegates calls. May
* be <tt>null</tt>.
*/
protected AnnotationVisitor av;
private int valueNumber = 0;
/**
* Constructs a new {@link TraceAnnotationVisitor}.
*/
public TraceAnnotationVisitor() {
// ignore
}
// ------------------------------------------------------------------------
// Implementation of the AnnotationVisitor interface
// ------------------------------------------------------------------------
public void visit(final String name, final Object value) {
buf.setLength(0);
appendComa(valueNumber++);
if (name != null) {
buf.append(name).append('=');
}
if (value instanceof String) {
visitString((String) value);
} else if (value instanceof Type) {
visitType((Type) value);
} else if (value instanceof Byte) {
visitByte(((Byte) value).byteValue());
} else if (value instanceof Boolean) {
visitBoolean(((Boolean) value).booleanValue());
} else if (value instanceof Short) {
visitShort(((Short) value).shortValue());
} else if (value instanceof Character) {
visitChar(((Character) value).charValue());
} else if (value instanceof Integer) {
visitInt(((Integer) value).intValue());
} else if (value instanceof Float) {
visitFloat(((Float) value).floatValue());
} else if (value instanceof Long) {
visitLong(((Long) value).longValue());
} else if (value instanceof Double) {
visitDouble(((Double) value).doubleValue());
} else if (value.getClass().isArray()) {
buf.append('{');
if (value instanceof byte[]) {
byte[] v = (byte[]) value;
for (int i = 0; i < v.length; i++) {
appendComa(i);
visitByte(v[i]);
}
} else if (value instanceof boolean[]) {
boolean[] v = (boolean[]) value;
for (int i = 0; i < v.length; i++) {
appendComa(i);
visitBoolean(v[i]);
}
} else if (value instanceof short[]) {
short[] v = (short[]) value;
for (int i = 0; i < v.length; i++) {
appendComa(i);
visitShort(v[i]);
}
} else if (value instanceof char[]) {
char[] v = (char[]) value;
for (int i = 0; i < v.length; i++) {
appendComa(i);
visitChar(v[i]);
}
} else if (value instanceof int[]) {
int[] v = (int[]) value;
for (int i = 0; i < v.length; i++) {
appendComa(i);
visitInt(v[i]);
}
} else if (value instanceof long[]) {
long[] v = (long[]) value;
for (int i = 0; i < v.length; i++) {
appendComa(i);
visitLong(v[i]);
}
} else if (value instanceof float[]) {
float[] v = (float[]) value;
for (int i = 0; i < v.length; i++) {
appendComa(i);
visitFloat(v[i]);
}
} else if (value instanceof double[]) {
double[] v = (double[]) value;
for (int i = 0; i < v.length; i++) {
appendComa(i);
visitDouble(v[i]);
}
}
buf.append('}');
} else {
buf.append(value);
}
text.add(buf.toString());
if (av != null) {
av.visit(name, value);
}
}
private void visitInt(int value) {
buf.append(value);
}
private void visitLong(long value) {
buf.append(value).append('L');
}
private void visitFloat(float value) {
buf.append(value).append('F');
}
private void visitDouble(double value) {
buf.append(value).append('D');
}
private void visitChar(char value) {
buf.append("(char)").append((int) value);
}
private void visitShort(short value) {
buf.append("(short)").append(value);
}
private void visitByte(byte value) {
buf.append("(byte)").append(value);
}
private void visitBoolean(boolean value) {
buf.append(value);
}
private void visitString(String value) {
appendString(buf, value);
}
private void visitType(Type value) {
buf.append(value.getClassName()).append(".class");
}
public void visitEnum(
final String name,
final String desc,
final String value)
{
buf.setLength(0);
appendComa(valueNumber++);
if (name != null) {
buf.append(name).append('=');
}
appendDescriptor(FIELD_DESCRIPTOR, desc);
buf.append('.').append(value);
text.add(buf.toString());
if (av != null) {
av.visitEnum(name, desc, value);
}
}
public AnnotationVisitor visitAnnotation(
final String name,
final String desc)
{
buf.setLength(0);
appendComa(valueNumber++);
if (name != null) {
buf.append(name).append('=');
}
buf.append('@');
appendDescriptor(FIELD_DESCRIPTOR, desc);
buf.append('(');
text.add(buf.toString());
TraceAnnotationVisitor tav = createTraceAnnotationVisitor();
text.add(tav.getText());
text.add(")");
if (av != null) {
tav.av = av.visitAnnotation(name, desc);
}
return tav;
}
public AnnotationVisitor visitArray(final String name) {
buf.setLength(0);
appendComa(valueNumber++);
if (name != null) {
buf.append(name).append('=');
}
buf.append('{');
text.add(buf.toString());
TraceAnnotationVisitor tav = createTraceAnnotationVisitor();
text.add(tav.getText());
text.add("}");
if (av != null) {
tav.av = av.visitArray(name);
}
return tav;
}
public void visitEnd() {
if (av != null) {
av.visitEnd();
}
}
// ------------------------------------------------------------------------
// Utility methods
// ------------------------------------------------------------------------
protected TraceAnnotationVisitor createTraceAnnotationVisitor() {
return new TraceAnnotationVisitor();
}
private void appendComa(int i) {
if (i != 0) {
buf.append(", ");
}
}
}
|
