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-rw-r--r--src/proguard/obfuscate/NameMarker.java166
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diff --git a/src/proguard/obfuscate/NameMarker.java b/src/proguard/obfuscate/NameMarker.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.obfuscate;
+
+import proguard.classfile.*;
+import proguard.classfile.util.SimplifiedVisitor;
+import proguard.classfile.constant.ClassConstant;
+import proguard.classfile.constant.visitor.ConstantVisitor;
+import proguard.classfile.attribute.*;
+import proguard.classfile.attribute.visitor.*;
+import proguard.classfile.visitor.*;
+
+
+/**
+ * This <code>ClassVisitor</code> and <code>MemberVisitor</code>
+ * marks names of the classes and class members it visits. The marked names
+ * will remain unchanged in the obfuscation step.
+ *
+ * @see ClassObfuscator
+ * @see MemberObfuscator
+ *
+ * @author Eric Lafortune
+ */
+class NameMarker
+extends SimplifiedVisitor
+implements ClassVisitor,
+ MemberVisitor,
+ AttributeVisitor,
+ InnerClassesInfoVisitor,
+ ConstantVisitor
+{
+ // Implementations for ClassVisitor.
+
+ public void visitProgramClass(ProgramClass programClass)
+ {
+ keepClassName(programClass);
+
+ // Make sure any outer class names are kept as well.
+ programClass.attributesAccept(this);
+ }
+
+
+ public void visitLibraryClass(LibraryClass libraryClass)
+ {
+ keepClassName(libraryClass);
+ }
+
+
+ // Implementations for MemberVisitor.
+
+ public void visitProgramField(ProgramClass programClass, ProgramField programField)
+ {
+ keepFieldName(programClass, programField);
+ }
+
+
+ public void visitProgramMethod(ProgramClass programClass, ProgramMethod programMethod)
+ {
+ keepMethodName(programClass, programMethod);
+ }
+
+
+ public void visitLibraryField(LibraryClass libraryClass, LibraryField libraryField)
+ {
+ keepFieldName(libraryClass, libraryField);
+ }
+
+
+ public void visitLibraryMethod(LibraryClass libraryClass, LibraryMethod libraryMethod)
+ {
+ keepMethodName(libraryClass, libraryMethod);
+ }
+
+
+ // Implementations for AttributeVisitor.
+
+ public void visitAnyAttribute(Clazz clazz, Attribute attribute) {}
+
+
+ public void visitInnerClassesAttribute(Clazz clazz, InnerClassesAttribute innerClassesAttribute)
+ {
+ // Make sure the outer class names are kept as well.
+ innerClassesAttribute.innerClassEntriesAccept(clazz, this);
+ }
+
+
+ // Implementations for InnerClassesInfoVisitor.
+
+ public void visitInnerClassesInfo(Clazz clazz, InnerClassesInfo innerClassesInfo)
+ {
+ // Make sure the outer class name is kept as well.
+ int innerClassIndex = innerClassesInfo.u2innerClassIndex;
+ int outerClassIndex = innerClassesInfo.u2outerClassIndex;
+ if (innerClassIndex != 0 &&
+ outerClassIndex != 0 &&
+ clazz.getClassName(innerClassIndex).equals(clazz.getName()))
+ {
+ clazz.constantPoolEntryAccept(outerClassIndex, this);
+ }
+ }
+
+
+ // Implementations for ConstantVisitor.
+
+ public void visitClassConstant(Clazz clazz, ClassConstant classConstant)
+ {
+ // Make sure the outer class name is kept as well.
+ classConstant.referencedClassAccept(this);
+ }
+
+
+ // Small utility method.
+
+ /**
+ * Ensures the name of the given class name will be kept.
+ */
+ public void keepClassName(Clazz clazz)
+ {
+ ClassObfuscator.setNewClassName(clazz,
+ clazz.getName());
+ }
+
+
+ /**
+ * Ensures the name of the given field name will be kept.
+ */
+ private void keepFieldName(Clazz clazz, Field field)
+ {
+ MemberObfuscator.setFixedNewMemberName(field,
+ field.getName(clazz));
+ }
+
+
+ /**
+ * Ensures the name of the given method name will be kept.
+ */
+ private void keepMethodName(Clazz clazz, Method method)
+ {
+ String name = method.getName(clazz);
+
+ if (!name.equals(ClassConstants.INTERNAL_METHOD_NAME_CLINIT) &&
+ !name.equals(ClassConstants.INTERNAL_METHOD_NAME_INIT))
+ {
+ MemberObfuscator.setFixedNewMemberName(method,
+ method.getName(clazz));
+ }
+ }
+}