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
|
/*
* ProGuard -- shrinking, optimization, obfuscation, and preverification
* of Java bytecode.
*
* Copyright (c) 2002-2014 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.visitor;
import proguard.classfile.*;
import proguard.classfile.attribute.*;
import proguard.classfile.attribute.visitor.ExceptionInfoVisitor;
import proguard.classfile.constant.visitor.ConstantVisitor;
/**
* This <code>ExceptionInfoVisitor</code> lets a given
* <code>ConstantVisitor</code> visit all catch class constants of exceptions
* that it visits.
*
* @author Eric Lafortune
*/
public class ExceptionHandlerConstantVisitor
implements ExceptionInfoVisitor
{
private final ConstantVisitor constantVisitor;
/**
* Creates a new ExceptionHandlerConstantVisitor.
* @param constantVisitor the ConstantVisitor that will visit the catch
* class constants.
*/
public ExceptionHandlerConstantVisitor(ConstantVisitor constantVisitor)
{
this.constantVisitor = constantVisitor;
}
// Implementations for ExceptionInfoVisitor.
public void visitExceptionInfo(Clazz clazz, Method method, CodeAttribute codeAttribute, ExceptionInfo exceptionInfo)
{
int catchType = exceptionInfo.u2catchType;
if (catchType != 0)
{
clazz.constantPoolEntryAccept(catchType, constantVisitor);
}
}
}
|
