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
|
/*
* Fernflower - The Analytical Java Decompiler
* http://www.reversed-java.com
*
* (C) 2008 - 2010, Stiver
*
* This software is NEITHER public domain NOR free software
* as per GNU License. See license.txt for more details.
*
* This software is distributed WITHOUT ANY WARRANTY; without
* even the implied warranty of MERCHANTABILITY or FITNESS FOR
* A PARTICULAR PURPOSE.
*/
package org.jetbrains.java.decompiler.struct.attr;
import java.io.ByteArrayInputStream;
import java.io.DataInputStream;
import java.io.IOException;
import java.util.ArrayList;
import java.util.List;
import org.jetbrains.java.decompiler.code.CodeConstants;
import org.jetbrains.java.decompiler.modules.decompiler.exps.AnnotationExprent;
import org.jetbrains.java.decompiler.modules.decompiler.exps.ConstExprent;
import org.jetbrains.java.decompiler.modules.decompiler.exps.Exprent;
import org.jetbrains.java.decompiler.modules.decompiler.exps.FieldExprent;
import org.jetbrains.java.decompiler.modules.decompiler.exps.NewExprent;
import org.jetbrains.java.decompiler.struct.consts.ConstantPool;
import org.jetbrains.java.decompiler.struct.consts.PrimitiveConstant;
import org.jetbrains.java.decompiler.struct.gen.FieldDescriptor;
import org.jetbrains.java.decompiler.struct.gen.VarType;
public class StructAnnotationAttribute extends StructGeneralAttribute {
private List<AnnotationExprent> annotations;
public void initContent(ConstantPool pool) {
super.initContent(pool);
annotations = new ArrayList<AnnotationExprent>();
DataInputStream data = new DataInputStream(new ByteArrayInputStream(info, 2, info.length));
int len = (((info[0] & 0xFF)<<8) | (info[1] & 0xFF));
for(int i=0;i<len;i++) {
annotations.add(parseAnnotation(data, pool));
}
}
public static AnnotationExprent parseAnnotation(DataInputStream data, ConstantPool pool) {
try {
String classname = pool.getPrimitiveConstant(data.readUnsignedShort()).getString();
VarType cltype = new VarType(classname);
int len = data.readUnsignedShort();
List<String> parnames = new ArrayList<String>();
List<Exprent> parvalues = new ArrayList<Exprent>();
for(int i=0;i<len;i++) {
parnames.add(pool.getPrimitiveConstant(data.readUnsignedShort()).getString());
parvalues.add(parseAnnotationElement(data, pool));
}
return new AnnotationExprent(cltype.value, parnames, parvalues);
} catch(IOException ex) {
throw new RuntimeException(ex);
}
}
public static Exprent parseAnnotationElement(DataInputStream data, ConstantPool pool) {
try {
int tag = data.readUnsignedByte();
switch(tag) {
case 'e': // enum constant
String classname = pool.getPrimitiveConstant(data.readUnsignedShort()).getString();
String constname = pool.getPrimitiveConstant(data.readUnsignedShort()).getString();
FieldDescriptor descr = FieldDescriptor.parseDescriptor(classname);
return new FieldExprent(constname, descr.type.value, true, null, descr);
case 'c': // class
String descriptor = pool.getPrimitiveConstant(data.readUnsignedShort()).getString();
VarType type = FieldDescriptor.parseDescriptor(descriptor).type;
String value;
switch(type.type) {
case CodeConstants.TYPE_OBJECT:
value = type.value;
break;
case CodeConstants.TYPE_BYTE:
value = byte.class.getName();
break;
case CodeConstants.TYPE_CHAR:
value = char.class.getName();
break;
case CodeConstants.TYPE_DOUBLE:
value = double.class.getName();
break;
case CodeConstants.TYPE_FLOAT:
value = float.class.getName();
break;
case CodeConstants.TYPE_INT:
value = int.class.getName();
break;
case CodeConstants.TYPE_LONG:
value = long.class.getName();
break;
case CodeConstants.TYPE_SHORT:
value = short.class.getName();
break;
case CodeConstants.TYPE_BOOLEAN:
value = boolean.class.getName();
break;
case CodeConstants.TYPE_VOID:
value = void.class.getName();
break;
default:
throw new RuntimeException("invalid class type: " + type.type);
}
return new ConstExprent(VarType.VARTYPE_CLASS, value);
case '[': // array
int len = data.readUnsignedShort();
List<Exprent> lst = new ArrayList<Exprent>();
for(int i=0;i<len;i++) {
lst.add(parseAnnotationElement(data, pool));
}
VarType newtype;
if(lst.isEmpty()) {
newtype = new VarType(CodeConstants.TYPE_OBJECT, 1, "java/lang/Object");
} else {
VarType eltype = lst.get(0).getExprType();
newtype = new VarType(eltype.type, 1, eltype.value);
}
NewExprent newexpr = new NewExprent(newtype, new ArrayList<Exprent>());
newexpr.setDirectArrayInit(true);
newexpr.setLstArrayElements(lst);
return newexpr;
case '@': // annotation
return parseAnnotation(data, pool);
default:
PrimitiveConstant cn = pool.getPrimitiveConstant(data.readUnsignedShort());
switch(tag) {
case 'B':
return new ConstExprent(VarType.VARTYPE_BYTE, cn.value);
case 'C':
return new ConstExprent(VarType.VARTYPE_CHAR, cn.value);
case 'D':
return new ConstExprent(VarType.VARTYPE_DOUBLE, cn.value);
case 'F':
return new ConstExprent(VarType.VARTYPE_FLOAT, cn.value);
case 'I':
return new ConstExprent(VarType.VARTYPE_INT, cn.value);
case 'J':
return new ConstExprent(VarType.VARTYPE_LONG, cn.value);
case 'S':
return new ConstExprent(VarType.VARTYPE_SHORT, cn.value);
case 'Z':
return new ConstExprent(VarType.VARTYPE_BOOLEAN, cn.value);
case 's':
return new ConstExprent(VarType.VARTYPE_STRING, cn.value);
default:
throw new RuntimeException("invalid element type!");
}
}
} catch(IOException ex) {
throw new RuntimeException(ex);
}
}
public List<AnnotationExprent> getAnnotations() {
return annotations;
}
}
|
