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diff --git a/src/proguard/classfile/visitor/MemberClassAccessFilter.java b/src/proguard/classfile/visitor/MemberClassAccessFilter.java
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+++ b/src/proguard/classfile/visitor/MemberClassAccessFilter.java
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+/*
+ * ProGuard -- shrinking, optimization, obfuscation, and preverification
+ *             of Java bytecode.
+ *
+ * Copyright (c) 2002-2009 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.util.*;
+
+/**
+ * This <code>MemberVisitor</code> delegates its visits to another given
+ * <code>MemberVisitor</code>, but only when the visited member is accessible
+ * from the given referencing class.
+ *
+ * @author Eric Lafortune
+ */
+public class MemberClassAccessFilter
+implements   MemberVisitor
+{
+    private final Clazz         referencingClass;
+    private final MemberVisitor memberVisitor;
+
+
+    /**
+     * Creates a new MemberAccessFilter.
+     * @param referencingClass the class that is accessing the member.
+     * @param memberVisitor    the <code>MemberVisitor</code> to which visits
+     *                         will be delegated.
+     */
+    public MemberClassAccessFilter(Clazz         referencingClass,
+                                   MemberVisitor memberVisitor)
+    {
+        this.referencingClass = referencingClass;
+        this.memberVisitor    = memberVisitor;
+    }
+
+
+    // Implementations for MemberVisitor.
+
+    public void visitProgramField(ProgramClass programClass, ProgramField programField)
+    {
+        if (accepted(programClass, programField.getAccessFlags()))
+        {
+            memberVisitor.visitProgramField(programClass, programField);
+        }
+    }
+
+
+    public void visitProgramMethod(ProgramClass programClass, ProgramMethod programMethod)
+    {
+        if (accepted(programClass, programMethod.getAccessFlags()))
+        {
+            memberVisitor.visitProgramMethod(programClass, programMethod);
+        }
+    }
+
+
+    public void visitLibraryField(LibraryClass libraryClass, LibraryField libraryField)
+    {
+        if (accepted(libraryClass, libraryField.getAccessFlags()))
+        {
+            memberVisitor.visitLibraryField(libraryClass, libraryField);
+        }
+    }
+
+
+    public void visitLibraryMethod(LibraryClass libraryClass, LibraryMethod libraryMethod)
+    {
+        if (accepted(libraryClass, libraryMethod.getAccessFlags()))
+        {
+            memberVisitor.visitLibraryMethod(libraryClass, libraryMethod);
+        }
+    }
+
+
+    // Small utility methods.
+
+    private boolean accepted(Clazz clazz, int memberAccessFlags)
+    {
+        int accessLevel = AccessUtil.accessLevel(memberAccessFlags);
+
+        return
+            (accessLevel >= AccessUtil.PUBLIC                                                              ) ||
+            (accessLevel >= AccessUtil.PRIVATE         && referencingClass.equals(clazz)                   ) ||
+            (accessLevel >= AccessUtil.PACKAGE_VISIBLE && (ClassUtil.internalPackageName(referencingClass.getName()).equals(
+                                                           ClassUtil.internalPackageName(clazz.getName())))) ||
+            (accessLevel >= AccessUtil.PROTECTED       && (referencingClass.extends_(clazz)                  ||
+                                                           referencingClass.extendsOrImplements(clazz))            );
+    }
+}