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
|
/*
* ProGuard -- shrinking, optimization, obfuscation, and preverification
* of Java bytecode.
*
* Copyright (c) 2002-2013 Eric Lafortune (eric@graphics.cornell.edu)
*
* This program is free software; you can redistribute it and/or modify it
* under the terms of the GNU General Public License as published by the Free
* Software Foundation; either version 2 of the License, or (at your option)
* any later version.
*
* This program is distributed in the hope that it will be useful, but WITHOUT
* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
* more details.
*
* You should have received a copy of the GNU General Public License along
* with this program; if not, write to the Free Software Foundation, Inc.,
* 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*/
package proguard.classfile.editor;
import proguard.classfile.attribute.visitor.LocalVariableTypeInfoVisitor;
import proguard.classfile.attribute.*;
import proguard.classfile.*;
/**
* This LocalVariableTypeInfoVisitor adds all line numbers that it visits to the given
* target line number attribute.
*/
public class LocalVariableTypeInfoAdder
implements LocalVariableTypeInfoVisitor
{
private final ConstantAdder constantAdder;
private final LocalVariableTypeTableAttributeEditor localVariableTypeTableAttributeEditor;
/**
* Creates a new LocalVariableTypeInfoAdder that will copy line numbers into the
* given target line number table.
*/
public LocalVariableTypeInfoAdder(ProgramClass targetClass,
LocalVariableTypeTableAttribute targetLocalVariableTypeTableAttribute)
{
this.constantAdder = new ConstantAdder(targetClass);
this.localVariableTypeTableAttributeEditor = new LocalVariableTypeTableAttributeEditor(targetLocalVariableTypeTableAttribute);
}
// Implementations for LocalVariableTypeInfoVisitor.
public void visitLocalVariableTypeInfo(Clazz clazz, Method method, CodeAttribute codeAttribute, LocalVariableTypeInfo localVariableTypeInfo)
{
// Create a new line number.
LocalVariableTypeInfo newLocalVariableTypeInfo =
new LocalVariableTypeInfo(localVariableTypeInfo.u2startPC,
localVariableTypeInfo.u2length,
constantAdder.addConstant(clazz, localVariableTypeInfo.u2nameIndex),
constantAdder.addConstant(clazz, localVariableTypeInfo.u2signatureIndex),
localVariableTypeInfo.u2index);
// TODO: Clone array.
newLocalVariableTypeInfo.referencedClasses = localVariableTypeInfo.referencedClasses;
// Add it to the target.
localVariableTypeTableAttributeEditor.addLocalVariableTypeInfo(newLocalVariableTypeInfo);
}
}
|
