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git-svn-id: https://svn.code.sf.net/p/jode/code/trunk@1023 379699f6-c40d-0410-875b-85095c16579e
stable
jochen 26 years ago
parent 9461a813d9
commit f6f5d1707e
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  1. 25
      jode/jode/obfuscator/CodeTransformer.java
  2. 34
      jode/jode/obfuscator/LocalizeFieldTransformer.java
  3. 489
      jode/jode/util/ArrayList.java

25
jode/jode/obfuscator/CodeTransformer.java
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/* CodeTransformer Copyright (C) 1999 Jochen Hoenicke.
*
* 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, 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; see the file COPYING. If not, write to
* the Free Software Foundation, 675 Mass Ave, Cambridge, MA 02139, USA.
*
* $Id$
*/
package jode.obfuscator;
import jode.bytecode.BytecodeInfo;
public interface CodeTransformer {
public void transformCode(BytecodeInfo bytecode);
}

34
jode/jode/obfuscator/LocalizeFieldTransformer.java
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/* LocalizeFieldTransformer Copyright (C) 1999 Jochen Hoenicke.
*
* 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, 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; see the file COPYING. If not, write to
* the Free Software Foundation, 675 Mass Ave, Cambridge, MA 02139, USA.
*
* $Id$
*/
package jode.obfuscator;
/**
* This class replaces accesses to local fields and .
*
*/
public class LocalizeFieldTransformer implements CodeTransformer {
public static void transformCode(BytecodeInfo bytecode) {
for (Instruction instr = bytecode.getFirstInstr();
instr != null; instr = instr.nextByAddr) {
}
}
}

489
jode/jode/util/ArrayList.java
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// This class is taken from the Classpath project.
// Please note the different copyright holder!
// The changes I did is this comment, the package line, some
// imports from java.util and some minor jdk12 -> jdk11 fixes.
// -- Jochen Hoenicke <jochen@gnu.org>
/////////////////////////////////////////////////////////////////////////////
// ArrayList.java -- JDK1.2's answer to Vector; this is an array-backed
// implementation of the List interface
//
// This is a JDK 1.2 compliant version of ArrayList.java
//
// Copyright (c) 1998 by Jon A. Zeppieri (jon@eease.com),
// Free Software Foundation, Inc.
//
// This program is free software; you can redistribute it and/or modify
// it under the terms of the GNU Library General Public License as published
// by the Free Software Foundation, version 2. (see COPYING.LIB)
//
// 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 Library General Public License for more details.
//
// You should have received a copy of the GNU Library 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 jode.util;
import java.lang.reflect.Array;
import java.io.Serializable;
import java.io.IOException;
import java.io.ObjectInputStream;
import java.io.ObjectOutputStream;
/**
* An array-backed implementation of the List interface. ArrayList
* performs well on simple tasks: random access into a list, appending
* to or removing from the end of a list, checking the size, &c.
*
* @author Jon A. Zeppieri
* @version $Id$
* @see java.util.AbstractList
* @see java.util.List
*/
public class ArrayList extends AbstractList
implements List, Cloneable, Serializable
{
/** the default capacity for new ArrayLists */
private static final int DEFAULT_CAPACITY = 16;
/** the number of elements in this list */
int size;
/** where the data is stored */
transient Object[] _arData;
/**
* Construct a new ArrayList with the supplied initial capacity.
*
* @param iCapacity
*/
public ArrayList(int iCapacity)
{
_arData = new Object[iCapacity];
}
/**
* Construct a new ArrayList with the default capcity
*/
public ArrayList()
{
this(DEFAULT_CAPACITY);
}
/**
* Construct a new ArrayList, and initialize it with the elements
* in the supplied Collection; Sun specs say that the initial
* capacity is 110% of the Collection's size.
*
* @param oCollection the collection whose elements will
* initialize this list
*/
public ArrayList(Collection oCollection)
{
this((int) (oCollection.size() * 1.1));
addAll(oCollection);
}
/**
* Guarantees that this list will have at least enough capacity to
* hold iMinCapacity elements.
*
* @param iMinCapacity the minimum guaranteed capacity
*/
public void ensureCapacity(int iMinCapacity)
{
Object[] arNewData;
int iCapacity = _arData.length;
if (iMinCapacity > iCapacity)
{
arNewData = new Object[Math.max((iCapacity * 2), iMinCapacity)];
System.arraycopy(_arData, 0, arNewData, 0, iCapacity);
_arData = arNewData;
}
}
/**
* Appends the supplied element to the end of this list.
*
* @param oElement the element to be appended to this list
*/
public boolean add(Object oElement)
{
ensureCapacity(size + 1);
_arData[size++] = oElement;
modCount++;
return true;
}
/**
* Retrieves the element at the user-supplied index.
*
* @param iIndex the index of the element we are fetching
* @throws IndexOutOfBoundsException (iIndex < 0) || (iIndex >= size())
*/
public Object get(int iIndex)
{
if (iIndex >= size)
throw new IndexOutOfBoundsException("ArrayList size=" +
String.valueOf(size) + "; " +
"index=" + String.valueOf(iIndex));
return _arData[iIndex];
}
/**
* Returns the number of elements in this list
*/
public int size()
{
return size;
}
/**
* Removes the element at the user-supplied index
*
* @param iIndex the index of the element to be removed
* @return the removed Object
* @throws IndexOutOfBoundsException (iIndex < 0) || (iIndex >= size())
*/
public Object remove(int iIndex)
{
Object oResult;
if (iIndex >= size)
throw new IndexOutOfBoundsException("ArrayList size=" +
String.valueOf(size) + "; " +
"index=" + String.valueOf(iIndex));
oResult = _arData[iIndex];
if (iIndex != --size)
System.arraycopy(_arData, (iIndex + 1), _arData, iIndex,
(size - iIndex));
modCount++;
_arData[size] = null;
return oResult;
}
/**
* Removes all elements in the half-open interval [iFromIndex, iToIndex).
*
* @param iFromIndex the first index which will be removed
* @param iToIndex one greater than the last index which will be
* removed
*/
public void removeRange(int iFromIndex, int iToIndex)
{
int iReduction;
int i;
if ((iFromIndex >= size) || (iToIndex >= size))
{
throw new IndexOutOfBoundsException("ArrayList size=" +
String.valueOf(size) + "; " +
"indices=" +
String.valueOf(iFromIndex) + "," +
String.valueOf(iToIndex));
}
else if (iFromIndex > iToIndex)
{
throw new IllegalArgumentException("fromIndex(" +
String.valueOf(iFromIndex) +
") > toIndex(" +
String.valueOf(iToIndex) + ")");
}
else if (iFromIndex != iToIndex)
{
iReduction = iToIndex - iFromIndex;
System.arraycopy(_arData, (iFromIndex + iReduction), _arData,
iFromIndex, (size - iFromIndex - iReduction));
modCount++;
for (i = (iFromIndex + iReduction); i < size; i++)
_arData[i] = null;
size -= iReduction;
}
}
/**
* Adds the supplied element at the specified index, shifting all
* elements currently at that index or higher one to the right.
*
* @param iIndex the index at which the element is being added
* @param oElement the element being added
*/
public void add(int iIndex, Object oElement)
{
if (iIndex > size)
throw new IndexOutOfBoundsException("ArrayList size=" +
String.valueOf(size) + "; " +
"index=" + String.valueOf(iIndex));
ensureCapacity(size + 1);
System.arraycopy(_arData, iIndex, _arData,
(iIndex + 1), (size - iIndex));
_arData[iIndex] = oElement;
size++;
modCount++;
}
/**
* Add each element in the supplied Collection to this List.
*
* @param oCollection a Collection containing elements to be
* added to this List
*/
public boolean addAll(Collection oCollection)
{
Iterator itElements;
int iLen = oCollection.size();
if (iLen > 0)
{
ensureCapacity(size + iLen);
modCount++;
itElements = oCollection.iterator();
while (itElements.hasNext())
_arData[size++] = itElements.next();
return true;
}
return false;
}
/**
* Add all elements in the supplied collection, inserting them beginning
* at the specified index.
*
* @param iIndex the index at which the elements will be inserted
* @param oCollection the Collection containing the elements to be
* inserted
*/
public boolean addAll(int iIndex, Collection oCollection)
{
Iterator itElements;
int iLen;
if (iIndex > size)
throw new IndexOutOfBoundsException("ArrayList size=" +
String.valueOf(size) + "; " +
"index=" + String.valueOf(iIndex));
iLen = oCollection.size();
if (iLen > 0)
{
ensureCapacity(size + iLen);
System.arraycopy(_arData, iIndex, _arData,
(iIndex + iLen), (size - iIndex));
modCount++;
size += iLen;
itElements = oCollection.iterator();
while (itElements.hasNext())
_arData[iIndex++] = itElements.next();
return true;
}
return false;
}
/**
* Creates a shallow copy of this ArrayList
*/
public Object clone()
{
ArrayList oClone;
try
{
oClone = (ArrayList) super.clone();
oClone._arData = _arData;
oClone.size = size;
}
catch(CloneNotSupportedException e)
{
oClone = null;
}
return oClone;
}
/**
* Returns true iff oElement is in this ArrayList.
*
* @param oElement the element whose inclusion in the List is being
* tested
*/
public boolean contains(Object oElement)
{
return (indexOf(oElement) != -1);
}
/**
* Returns the lowest index at which oElement appears in this List, or
* -1 if it does not appear.
*
* @param oElement the element whose inclusion in the List is being
* tested
*/
public int indexOf(Object oElement)
{
int i;
for (i = 0; i < size; i++)
{
if (doesEqual(oElement, _arData[i]))
return i;
}
return -1;
}
/**
* Returns the highest index at which oElement appears in this List, or
* -1 if it does not appear.
*
* @param oElement the element whose inclusion in the List is being
* tested
*/
public int lastIndexOf(Object oElement)
{
int i;
for (i = size - 1; i >= 0; i--)
{
if (doesEqual(oElement, _arData[i]))
return i;
}
return -1;
}
/**
* Removes all elements from this List
*/
public void clear()
{
int i;
if (size > 0)
{
modCount++;
size = 0;
for (i = 0; i < size; i++)
_arData[i] = null;
}
}
/**
* Sets the element at the specified index.
*
* @param iIndex the index at which the element is being set
* @param oElement the element to be set
* @return the element previously at the specified index, or null if
* none was there
*/
public Object set(int iIndex, Object oElement)
{
Object oResult;
if (iIndex >= size)
throw new IndexOutOfBoundsException("ArrayList size=" +
String.valueOf(size) + "; " +
"index=" + String.valueOf(iIndex));
oResult = _arData[iIndex];
modCount++;
_arData[iIndex] = oElement;
return oResult;
}
/**
* Returns an Object Array containing all of the elements in this ArrayList
*/
public Object[] toArray()
{
Object[] arObjects = new Object[size];
System.arraycopy(_arData, 0, arObjects, 0, size);
return arObjects;
}
/**
* Returns an Array whse component type is the runtime component type of
* the passes-in Array. The returned Array is populated with all of the
* elements in this ArrayList. If the passed-in Array is not large enough
* to store all of the elements in this List, a new Array will be created
* and returned; if the passed-in Array is <i>larger</i> than the size
* of this List, then size() + 1 index will be set to null.
*
* @param arObjects the passed-in Array
*/
public Object[] toArray(Object[] arObjects)
{
Object[] arReturn = (arObjects.length >= size)
? arObjects
: (Object[])
Array.newInstance(arObjects.getClass().getComponentType(), size);
System.arraycopy(_arData, 0, arReturn, 0, size);
if (arReturn.length > size)
arReturn[size] = null;
return arReturn;
}
/**
* Trims the capacity of tjis List to be equal to its size;
* a memory saver.
*/
public void trimToSize()
{
Object[] arNewData = new Object[size];
System.arraycopy(_arData, 0, arNewData, 0, size);
modCount++;
_arData = arNewData;
}
private void writeObject(ObjectOutputStream oOut)
throws IOException
{
int i;
oOut.defaultWriteObject();
oOut.writeInt(_arData.length);
for (i = 0; i < _arData.length; i++)
oOut.writeObject(_arData[i]);
}
private void readObject(ObjectInputStream oIn)
throws IOException, ClassNotFoundException
{
int i;
int iCapacity;
oIn.defaultReadObject();
iCapacity = oIn.readInt();
_arData = new Object[iCapacity];
for (i = 0; i < iCapacity; i++)
_arData[i] = oIn.readObject();
}
private static final boolean doesEqual(Object oOne, Object oTwo)
{
return ((oOne == null) ? (oTwo == null) : oOne.equals(oTwo));
}
}
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