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
|
/*
* 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.optimize.info;
import proguard.classfile.*;
import proguard.classfile.util.SimplifiedVisitor;
import proguard.classfile.visitor.*;
/**
* This ClassVisitor marks all classes that contain package visible members.
*
* @author Eric Lafortune
*/
public class PackageVisibleMemberContainingClassMarker
extends SimplifiedVisitor
implements ClassVisitor,
MemberVisitor
{
// Implementations for ClassVisitor.
public void visitAnyClass(Clazz clazz)
{
// Check the class itself.
if ((clazz.getAccessFlags() & ClassConstants.INTERNAL_ACC_PUBLIC) == 0)
{
setPackageVisibleMembers(clazz);
}
else
{
// Check the members.
clazz.fieldsAccept(this);
clazz.methodsAccept(this);
}
}
// Implementations for MemberVisitor.
public void visitAnyMember(Clazz clazz, Member member)
{
if ((member.getAccessFlags() &
(ClassConstants.INTERNAL_ACC_PRIVATE |
ClassConstants.INTERNAL_ACC_PUBLIC)) == 0)
{
setPackageVisibleMembers(clazz);
}
}
// Small utility methods.
private static void setPackageVisibleMembers(Clazz clazz)
{
ClassOptimizationInfo info = ClassOptimizationInfo.getClassOptimizationInfo(clazz);
if (info != null)
{
info.setContainsPackageVisibleMembers();
}
}
public static boolean containsPackageVisibleMembers(Clazz clazz)
{
ClassOptimizationInfo info = ClassOptimizationInfo.getClassOptimizationInfo(clazz);
return info == null || info.containsPackageVisibleMembers();
}
}
|
