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make use of collection classes

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conflictFields, conflictMethod added and reworked
serialization preserving added


git-svn-id: https://svn.code.sf.net/p/jode/code/trunk@979 379699f6-c40d-0410-875b-85095c16579e
stable
jochen 25 years ago
parent 8cffa60d13
commit 20b87f4b55
1 changed files with 436 additions and 141 deletions
Show all changes Ignore whitespace when comparing lines Ignore changes in amount of whitespace Ignore changes in whitespace at EOL
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  1. 577
      jode/jode/obfuscator/ClassIdentifier.java

577
jode/jode/obfuscator/ClassIdentifier.java
Unescape View File

@ -19,27 +19,36 @@
package jode.obfuscator;
import jode.GlobalOptions;
import jode.Obfuscator;
import jode.bytecode.*;
///#ifdef JDK12
///import java.util.Comparator;
///import java.util.Collection;
///import java.util.Collections;
///import java.util.Arrays;
///import java.util.Iterator;
///import java.util.List;
///import java.util.LinkedList;
///import java.util.Map;
///#else
import jode.util.Comparator;
import jode.util.Collection;
import jode.util.Collections;
import jode.util.Arrays;
import jode.util.Iterator;
import jode.util.List;
import jode.util.LinkedList;
import jode.util.Map;
///#endif
import java.lang.reflect.Modifier;
import java.security.MessageDigest;
import java.security.NoSuchAlgorithmException;
import java.io.OutputStream;
import java.io.DataOutputStream;
import java.io.IOException;
import java.util.Random;
import java.util.Hashtable;
import java.util.Vector;
import java.util.Enumeration;
public class ClassIdentifier extends Identifier {
ClassBundle bundle;
PackageIdentifier pack;
String name;
ClassInfo info;
@ -52,23 +61,21 @@ public class ClassIdentifier extends Identifier {
* are MethodIdentifier
*/
Identifier[] identifiers;
Vector knownSubClasses = new Vector();
Vector virtualReachables = new Vector();
List knownSubClasses = new LinkedList();
List virtualReachables = new LinkedList();
public ClassIdentifier(ClassBundle bundle, PackageIdentifier pack,
public ClassIdentifier(PackageIdentifier pack,
String name, ClassInfo info) {
super(name);
this.bundle = bundle;
this.pack = pack;
this.name = name;
this.info = info;
}
public void addSubClass(ClassIdentifier ci) {
knownSubClasses.addElement(ci);
Enumeration enum = virtualReachables.elements();
while (enum.hasMoreElements()) {
String[] method = (String[]) enum.nextElement();
knownSubClasses.add(ci);
for(Iterator i = virtualReachables.iterator(); i.hasNext(); ) {
String[] method = (String[]) i.next();
ci.reachableIdentifier(method[0], method[1], true);
}
}
@ -96,15 +103,6 @@ public class ClassIdentifier extends Identifier {
}
}
public void applyPreserveRule(int preserveRule) {
if ((preserveRule & (info.getModifiers() ^ Modifier.PRIVATE)) != 0) {
setReachable();
setPreserved();
}
for (int i=0; i< identifiers.length; i++)
identifiers[i].applyPreserveRule(preserveRule);
}
public void reachableIdentifier(String name, String typeSig,
boolean isVirtual) {
boolean found = false;
@ -119,12 +117,10 @@ public class ClassIdentifier extends Identifier {
/*XXXXXXXX super reachableIdentifier */
} /*ELSE*/
if (isVirtual) {
Enumeration enum = knownSubClasses.elements();
while (enum.hasMoreElements())
((ClassIdentifier)enum.nextElement())
for (Iterator i = knownSubClasses.iterator(); i.hasNext(); )
((ClassIdentifier)i.next())
.reachableIdentifier(name, typeSig, false);
virtualReachables.addElement
(new String[] { name, typeSig });
virtualReachables.add(new String[] { name, typeSig });
}
}
@ -138,6 +134,120 @@ public class ClassIdentifier extends Identifier {
}
}
/**
* This is partly taken from the classpath project.
*/
public long calcSerialVersionUID() {
final MessageDigest md;
try {
md = MessageDigest.getInstance("SHA");
} catch (NoSuchAlgorithmException ex) {
ex.printStackTrace();
GlobalOptions.err.println("Can't calculate serialVersionUID");
return 0L;
}
OutputStream digest = new OutputStream() {
public void write(int b) {
md.update((byte) b);
}
public void write(byte[] data, int offset, int length) {
md.update(data, offset, length);
}
};
DataOutputStream out = new DataOutputStream(digest);
try {
out.writeUTF(info.getName());
int modifiers = info.getModifiers();
// just look at interesting bits
modifiers = modifiers & ( Modifier.ABSTRACT | Modifier.FINAL
| Modifier.INTERFACE | Modifier.PUBLIC );
out.writeInt(modifiers);
ClassInfo[] interfaces
= (ClassInfo[]) info.getInterfaces().clone();
Arrays.sort(interfaces, new Comparator() {
public int compare( Object o1, Object o2 ) {
return ((ClassInfo)o1).getName()
.compareTo(((ClassInfo)o2).getName());
}
});
for( int i=0; i < interfaces.length; i++ ) {
out.writeUTF(interfaces[i].getName());
}
Comparator identCmp = new Comparator() {
public int compare(Object o1, Object o2) {
Identifier i1 = (Identifier)o1;
Identifier i2 = (Identifier)o2;
boolean special1 = (i1.equals("<init>")
|| i1.equals("<clinit>"));
boolean special2 = (i2.equals("<init>")
|| i2.equals("<clinit>"));
// Put constructors at the beginning
if (special1 != special2) {
return special1 ? -1 : 1;
}
int comp = i1.getName().compareTo(i2.getName());
if (comp != 0) {
return comp;
} else {
return i1.getType().compareTo(i2.getType());
}
}
};
List idents = Arrays.asList((Object[]) identifiers.clone());
List fields = idents.subList(0, fieldCount);
List methods = idents.subList(fieldCount, idents.size());
Collections.sort(fields, identCmp);
Collections.sort(methods, identCmp);
for (Iterator i = fields.iterator(); i.hasNext();) {
FieldIdentifier field = (FieldIdentifier) i.next();
modifiers = field.info.getModifiers();
if ((modifiers & Modifier.PRIVATE) != 0
&& (modifiers & (Modifier.STATIC
| Modifier.TRANSIENT)) != 0)
continue;
out.writeUTF(field.getName());
out.writeInt(modifiers);
out.writeUTF(field.getType());
}
for(Iterator i = methods.iterator(); i.hasNext(); ) {
MethodIdentifier method = (MethodIdentifier) i.next();
modifiers = method.info.getModifiers();
if( Modifier.isPrivate(modifiers))
continue;
out.writeUTF(method.getName());
out.writeInt(modifiers);
// the replacement of '/' with '.' was needed to make computed
// SUID's agree with those computed by JDK
out.writeUTF(method.getType().replace('/', '.'));
}
out.close();
byte[] sha = md.digest();
long result = 0;
for (int i=0; i < 8; i++) {
result += (long)(sha[i] & 0xFF) << (8 * i);
}
return result;
} catch (IOException ex) {
ex.printStackTrace();
GlobalOptions.err.println("Can't calculate serialVersionUID");
return 0L;
}
}
/**
* Preserve all fields, that are necessary, to serialize
* a compatible class.
@ -145,16 +255,46 @@ public class ClassIdentifier extends Identifier {
public void preserveSerializable() {
preserveIdentifier("writeObject", "(Ljava.io.ObjectOutputStream)V");
preserveIdentifier("readObject", "(Ljava.io.ObjectOutputStream)V");
if (Obfuscator.preserveSerial) {
/* XXX - add a field serializableVersionUID if not existent */
preserveIdentifier("serializableVersionUID", "I");
if ((Main.options & Main.OPTION_PRESERVESERIAL) != 0) {
setPreserved();
boolean hasSerialUID = false;
for (int i=0; i< fieldCount; i++) {
if ("serialVersionUID".equals(identifiers[i].getName())
&& "J".equals(identifiers[i].getType())) {
identifiers[i].setReachable();
identifiers[i].setPreserved();
hasSerialUID = true;
break;
}
}
if (!hasSerialUID) {
/* add a field serializableVersionUID if not existent */
long serialVersion = calcSerialVersionUID();
Identifier[] newIdents = new Identifier[identifiers.length+1];
System.arraycopy(identifiers, 0, newIdents, 0, fieldCount);
System.arraycopy(identifiers, fieldCount,
newIdents, fieldCount + 1,
identifiers.length - fieldCount);
FieldInfo UIDField = new FieldInfo
(info, "serialVersionUID", "J",
Modifier.PUBLIC | Modifier.STATIC | Modifier.FINAL);
UIDField.setConstant(new Long(serialVersion));
FieldIdentifier fident = new FieldIdentifier(this, UIDField);
fident.setPreserved();
fident.setReachable();
newIdents[fieldCount++] = fident;
identifiers = newIdents;
}
for (int i=0; i < fieldCount; i++) {
FieldIdentifier ident = (FieldIdentifier) identifiers[i];
if ((ident.info.getModifiers()
& (Modifier.TRANSIENT | Modifier.STATIC)) == 0)
identifiers[i].setPreserved();
& (Modifier.TRANSIENT | Modifier.STATIC)) == 0) {
ident.setPreserved();
ident.setNotConstant();
}
/* XXX - only preserve them if writeObject not existent
* or if writeObject calls defaultWriteObject
* or if writeObject calls defaultWriteObject, and similar
* for readObject
*/
}
}
@ -169,16 +309,16 @@ public class ClassIdentifier extends Identifier {
public void setSingleReachable() {
super.setSingleReachable();
bundle.analyzeIdentifier(this);
Main.getClassBundle().analyzeIdentifier(this);
}
public void analyzeSuperClasses(ClassInfo superclass) {
while (superclass != null) {
if (superclass.getName().equals("java.lang.Serializable"))
if (superclass.getName().equals("java.io.Serializable"))
preserveSerializable();
ClassIdentifier superident
= bundle.getClassIdentifier(superclass.getName());
ClassIdentifier superident = Main.getClassBundle()
.getClassIdentifier(superclass.getName());
if (superident != null) {
superident.addSubClass(this);
} else {
@ -217,8 +357,8 @@ public class ClassIdentifier extends Identifier {
if (superclass.getName().equals("java.lang.Serializable"))
preserveSerializable();
ClassIdentifier superident
= bundle.getClassIdentifier(superclass.getName());
ClassIdentifier superident = Main.getClassBundle()
.getClassIdentifier(superclass.getName());
if (superident != null) {
for (int i=superident.fieldCount;
i < superident.identifiers.length; i++) {
@ -261,7 +401,7 @@ public class ClassIdentifier extends Identifier {
FieldInfo[] finfos = info.getFields();
MethodInfo[] minfos = info.getMethods();
if (Obfuscator.swapOrder) {
if (Main.swapOrder) {
Random rand = new Random();
Collections.shuffle(Arrays.asList(finfos), rand);
Collections.shuffle(Arrays.asList(minfos), rand);
@ -275,7 +415,7 @@ public class ClassIdentifier extends Identifier {
identifiers[fieldCount + i]
= new MethodIdentifier(this, minfos[i]);
if (identifiers[fieldCount + i].getName().equals("<clinit>")) {
/* If there is a static initializer, it is automagically
/* If there is a static initializer, it is automatically
* reachable (even if this class wouldn't be otherwise).
*/
identifiers[fieldCount + i].setPreserved();
@ -289,18 +429,26 @@ public class ClassIdentifier extends Identifier {
ifaceNames = new String[ifaces.length];
for (int i=0; i < ifaces.length; i++) {
ifaceNames[i] = ifaces[i].getName();
ClassIdentifier ifaceident
= bundle.getClassIdentifier(ifaceNames[i]);
ClassIdentifier ifaceident = Main.getClassBundle()
.getClassIdentifier(ifaceNames[i]);
initSuperClasses(ifaces[i]);
}
if (info.getSuperclass() != null) {
superName = info.getSuperclass().getName();
ClassIdentifier superident
= bundle.getClassIdentifier(superName);
ClassIdentifier superident = Main.getClassBundle()
.getClassIdentifier(superName);
initSuperClasses(info.getSuperclass());
}
if ((Main.stripping & Main.STRIP_SOURCE) != 0) {
info.setSourceFile(null);
}
if ((Main.stripping & Main.STRIP_INNERINFO) != 0) {
info.setInnerClasses(new InnerClassInfo[0]);
info.setOuterClasses(new InnerClassInfo[0]);
info.setExtraClasses(new InnerClassInfo[0]);
}
// load inner classes
InnerClassInfo[] innerClasses = info.getInnerClasses();
InnerClassInfo[] outerClasses = info.getOuterClasses();
@ -308,53 +456,69 @@ public class ClassIdentifier extends Identifier {
if (outerClasses != null) {
for (int i=0; i < outerClasses.length; i++) {
if (outerClasses[i].outer != null) {
bundle.getClassIdentifier(outerClasses[i].outer);
Main.getClassBundle()
.getClassIdentifier(outerClasses[i].outer);
}
}
}
if (innerClasses != null) {
for (int i=0; i < innerClasses.length; i++) {
bundle.getClassIdentifier(innerClasses[i].inner);
Main.getClassBundle()
.getClassIdentifier(innerClasses[i].inner);
}
}
if (extraClasses != null) {
for (int i=0; i < extraClasses.length; i++) {
bundle.getClassIdentifier(extraClasses[i].inner);
Main.getClassBundle()
.getClassIdentifier(extraClasses[i].inner);
if (extraClasses[i].outer != null)
bundle.getClassIdentifier(extraClasses[i].outer);
Main.getClassBundle()
.getClassIdentifier(extraClasses[i].outer);
}
}
}
public void buildTable(int renameRule) {
public void buildTable(Renamer renameRule) {
super.buildTable(renameRule);
for (int i=0; i < identifiers.length; i++)
if (!Obfuscator.shouldStrip || identifiers[i].isReachable())
if ((Main.stripping & Main.STRIP_UNREACH) == 0
|| identifiers[i].isReachable())
identifiers[i].buildTable(renameRule);
}
public void readTable(Hashtable table) {
public void readTable(Map table) {
super.readTable(table);
for (int i=0; i < identifiers.length; i++)
if (!Obfuscator.shouldStrip || identifiers[i].isReachable())
if ((Main.stripping & Main.STRIP_UNREACH) == 0
|| identifiers[i].isReachable())
identifiers[i].readTable(table);
}
public void writeTable(Hashtable table) {
public void writeTable(Map table) {
super.writeTable(table);
for (int i=0; i < identifiers.length; i++)
if (!Obfuscator.shouldStrip || identifiers[i].isReachable())
if ((Main.stripping & Main.STRIP_UNREACH) == 0
|| identifiers[i].isReachable())
identifiers[i].writeTable(table);
}
public void addIfaces(Vector result, String[] ifaces) {
/**
* Add the ClassInfo objects of the interfaces of ancestor. But if
* an interface of ancestor is not reachable it will add its interfaces
* instead.
* @param result The Collection where the interfaces should be added to.
* @param ancestor The ancestor whose interfaces should be added.
*/
public void addIfaces(Collection result, ClassIdentifier ancestor) {
String[] ifaces = ancestor.ifaceNames;
ClassInfo[] ifaceInfos = ancestor.info.getInterfaces();
for (int i=0; i < ifaces.length; i++) {
ClassIdentifier ifaceident
= bundle.getClassIdentifier(ifaces[i]);
= Main.getClassBundle().getClassIdentifier(ifaces[i]);
if (ifaceident != null && !ifaceident.isReachable())
addIfaces(result, ifaceident.ifaceNames);
addIfaces(result, ifaceident);
else
result.addElement(ClassInfo.forName(ifaces[i]));
result.add(ifaceInfos[i]);
}
}
@ -366,24 +530,23 @@ public class ClassIdentifier extends Identifier {
* other entries are the interfaces.
*/
public void transformSuperIfaces() {
if (!Obfuscator.shouldStrip)
if ((Main.stripping & Main.STRIP_UNREACH) == 0)
return;
Vector newIfaces = new Vector();
addIfaces(newIfaces, ifaceNames);
String nameOfSuper = superName;
while (true) {
ClassIdentifier superident
= bundle.getClassIdentifier(nameOfSuper);
Collection newIfaces = new LinkedList();
ClassIdentifier ancestor = this;
while(true) {
addIfaces(newIfaces, ancestor);
ClassIdentifier superident
= Main.getClassBundle().getClassIdentifier(ancestor.superName);
if (superident == null || superident.isReachable())
break;
addIfaces(newIfaces, superident.ifaceNames);
nameOfSuper = superident.superName;
ancestor = superident;
}
ClassInfo[] ifaces = new ClassInfo[newIfaces.size()];
newIfaces.copyInto(ifaces);
info.setSuperclass(ClassInfo.forName(nameOfSuper));
ClassInfo superInfo = ancestor.info.getSuperclass();
ClassInfo[] ifaces = (ClassInfo[])
newIfaces.toArray(new ClassInfo[newIfaces.size()]);
info.setSuperclass(superInfo);
info.setInterfaces(ifaces);
}
@ -391,11 +554,11 @@ public class ClassIdentifier extends Identifier {
InnerClassInfo[] outerClasses = info.getOuterClasses();
if (outerClasses != null) {
int newOuterCount = outerClasses.length;
if (Obfuscator.shouldStrip) {
if ((Main.stripping & Main.STRIP_UNREACH) != 0) {
for (int i=0; i < outerClasses.length; i++) {
if (outerClasses[i].outer != null) {
ClassIdentifier outerIdent
= bundle.getClassIdentifier(outerClasses[i].outer);
ClassIdentifier outerIdent = Main.getClassBundle()
.getClassIdentifier(outerClasses[i].outer);
if (outerIdent != null && !outerIdent.isReachable())
newOuterCount--;
}
@ -409,7 +572,8 @@ public class ClassIdentifier extends Identifier {
String lastClass = getFullAlias();
for (int i=0; i<outerClasses.length; i++) {
ClassIdentifier outerIdent = outerClasses[i].outer != null
? bundle.getClassIdentifier(outerClasses[i].outer)
? (Main.getClassBundle()
.getClassIdentifier(outerClasses[i].outer))
: null;
if (outerIdent != null && !outerIdent.isReachable())
@ -435,10 +599,10 @@ public class ClassIdentifier extends Identifier {
InnerClassInfo[] innerClasses = info.getInnerClasses();
if (innerClasses != null) {
int newInnerCount = innerClasses.length;
if (Obfuscator.shouldStrip) {
if ((Main.stripping & Main.STRIP_UNREACH) != 0) {
for (int i=0; i < innerClasses.length; i++) {
ClassIdentifier innerIdent
= bundle.getClassIdentifier(innerClasses[i].inner);
ClassIdentifier innerIdent = Main.getClassBundle()
.getClassIdentifier(innerClasses[i].inner);
if (innerIdent != null && !innerIdent.isReachable())
newInnerCount--;
}
@ -449,10 +613,11 @@ public class ClassIdentifier extends Identifier {
InnerClassInfo[] newInners = new InnerClassInfo[newInnerCount];
int pos = 0;
for (int i=0; i<innerClasses.length; i++) {
ClassIdentifier innerIdent
= bundle.getClassIdentifier(innerClasses[i].inner);
ClassIdentifier innerIdent = Main.getClassBundle()
.getClassIdentifier(innerClasses[i].inner);
if (innerIdent != null
&& Obfuscator.shouldStrip && !innerIdent.isReachable())
&& (Main.stripping & Main.STRIP_UNREACH) != 0
&& !innerIdent.isReachable())
continue;
String inner = innerIdent == null
@ -474,13 +639,14 @@ public class ClassIdentifier extends Identifier {
InnerClassInfo[] extraClasses = info.getExtraClasses();
if (extraClasses != null) {
int newExtraCount = extraClasses.length;
if (Obfuscator.shouldStrip) {
if ((Main.stripping & Main.STRIP_UNREACH) != 0) {
for (int i=0; i < extraClasses.length; i++) {
ClassIdentifier outerIdent = extraClasses[i].outer != null
? bundle.getClassIdentifier(extraClasses[i].outer)
? (Main.getClassBundle()
.getClassIdentifier(extraClasses[i].outer))
: null;
ClassIdentifier innerIdent
= bundle.getClassIdentifier(extraClasses[i].inner);
ClassIdentifier innerIdent = Main.getClassBundle()
.getClassIdentifier(extraClasses[i].inner);
if ((outerIdent != null && !outerIdent.isReachable())
|| (innerIdent != null && !innerIdent.isReachable()))
newExtraCount--;
@ -496,10 +662,11 @@ public class ClassIdentifier extends Identifier {
int pos = 0;
for (int i=0; i<extraClasses.length; i++) {
ClassIdentifier outerIdent = extraClasses[i].outer != null
? bundle.getClassIdentifier(extraClasses[i].outer)
? (Main.getClassBundle()
.getClassIdentifier(extraClasses[i].outer))
: null;
ClassIdentifier innerIdent
= bundle.getClassIdentifier(extraClasses[i].inner);
ClassIdentifier innerIdent = Main.getClassBundle()
.getClassIdentifier(extraClasses[i].inner);
if (innerIdent != null && !innerIdent.isReachable())
continue;
@ -534,7 +701,7 @@ public class ClassIdentifier extends Identifier {
transformInnerClasses();
int newFieldCount = 0, newMethodCount = 0;
if (Obfuscator.shouldStrip) {
if ((Main.stripping & Main.STRIP_UNREACH) != 0) {
for (int i=0; i < fieldCount; i++)
if (identifiers[i].isReachable())
newFieldCount++;
@ -551,14 +718,16 @@ public class ClassIdentifier extends Identifier {
newFieldCount = newMethodCount = 0;
for (int i=0; i < fieldCount; i++) {
if (!Obfuscator.shouldStrip || identifiers[i].isReachable()) {
if ((Main.stripping & Main.STRIP_UNREACH) == 0
|| identifiers[i].isReachable()) {
((FieldIdentifier)identifiers[i]).doTransformations();
newFields[newFieldCount++]
= ((FieldIdentifier)identifiers[i]).info;
}
}
for (int i=fieldCount; i < identifiers.length; i++) {
if (!Obfuscator.shouldStrip || identifiers[i].isReachable()) {
if ((Main.stripping & Main.STRIP_UNREACH) == 0
|| identifiers[i].isReachable()) {
((MethodIdentifier)identifiers[i]).doTransformations();
newMethods[newMethodCount++]
= ((MethodIdentifier)identifiers[i]).info;
@ -609,6 +778,10 @@ public class ClassIdentifier extends Identifier {
return "Ljava/lang/Class;";
}
public Iterator getChilds() {
return Arrays.asList(identifiers).iterator();
}
public String toString() {
return "ClassIdentifier "+getFullName();
}
@ -621,8 +794,8 @@ public class ClassIdentifier extends Identifier {
}
for (int i=0; i < ifaceNames.length; i++) {
ClassIdentifier ifaceident
= bundle.getClassIdentifier(ifaceNames[i]);
ClassIdentifier ifaceident = Main.getClassBundle()
.getClassIdentifier(ifaceNames[i]);
if (ifaceident != null) {
Identifier ident
= ifaceident.getIdentifier(fieldName, typeSig);
@ -632,8 +805,8 @@ public class ClassIdentifier extends Identifier {
}
if (superName != null) {
ClassIdentifier superident
= bundle.getClassIdentifier(superName);
ClassIdentifier superident = Main.getClassBundle()
.getClassIdentifier(superName);
if (superident != null) {
Identifier ident
= superident.getIdentifier(fieldName, typeSig);
@ -644,77 +817,208 @@ public class ClassIdentifier extends Identifier {
return null;
}
public static boolean containFieldAlias(ClassInfo clazz,
String fieldName, String typeSig) {
public static boolean containsField
(ClassInfo clazz, String name, String type, ModifierMatcher modMatch) {
FieldInfo[] finfos = clazz.getFields();
for (int i=0; i< finfos.length; i++) {
if (finfos[i].getName().equals(fieldName)
&& finfos[i].getType().startsWith(typeSig))
if (finfos[i].getName().equals(name)
&& finfos[i].getType().startsWith(type)
&& modMatch.matches(finfos[i].getModifiers()))
return true;
}
ClassInfo[] ifaces = clazz.getInterfaces();
for (int i=0; i < ifaces.length; i++) {
if (containFieldAlias(ifaces[i], fieldName, typeSig))
if (containsField(ifaces[i], name, type, modMatch))
return true;
}
if (clazz.getSuperclass() != null) {
if (containFieldAlias(clazz.getSuperclass(),
fieldName, typeSig))
if (containsField(clazz.getSuperclass(),
name, type, modMatch))
return true;
}
return false;
}
public boolean containsFieldAliasDirectly(String fieldName,
String typeSig) {
for (int i=0; i < fieldCount; i++) {
if ((!Obfuscator.shouldStrip || identifiers[i].isReachable())
&& identifiers[i].getAlias().equals(fieldName)
&& identifiers[i].getType().startsWith(typeSig))
public static boolean containsMethod
(ClassInfo clazz, String name, String type, ModifierMatcher modMatch) {
MethodInfo[] minfos = clazz.getMethods();
for (int i=0; i< minfos.length; i++) {
if (minfos[i].getName().equals(name)
&& minfos[i].getType().startsWith(type)
&& modMatch.matches(minfos[i].getModifiers()))
return true;
}
ClassInfo[] ifaces = clazz.getInterfaces();
for (int i=0; i < ifaces.length; i++) {
if (containsMethod(ifaces[i], name, type, modMatch))
return true;
}
if (clazz.getSuperclass() != null) {
if (containsMethod(clazz.getSuperclass(),
name, type, modMatch))
return true;
}
return false;
}
public boolean containFieldAlias(String fieldName, String typeSig) {
if (containsFieldAliasDirectly(fieldName,typeSig))
return true;
public boolean containsFieldAliasDirectly(String fieldName, String typeSig,
ModifierMatcher matcher) {
for (int i=0; i < fieldCount; i++) {
if ((!Obfuscator.shouldStrip || identifiers[i].isReachable())
if (((Main.stripping & Main.STRIP_UNREACH) == 0
|| identifiers[i].isReachable())
&& identifiers[i].wasAliased()
&& identifiers[i].getAlias().equals(fieldName)
&& identifiers[i].getType().startsWith(typeSig))
&& identifiers[i].getType().startsWith(typeSig)
&& matcher.matches(identifiers[i]))
return true;
}
return false;
}
public boolean containsMethodAliasDirectly(String methodName,
String paramType,
ModifierMatcher matcher) {
for (int i=fieldCount; i< identifiers.length; i++) {
if (((Main.stripping & Main.STRIP_UNREACH) == 0
|| identifiers[i].isReachable())
&& identifiers[i].wasAliased()
&& identifiers[i].getAlias().equals(methodName)
&& identifiers[i].getType().startsWith(paramType)
&& matcher.matches(identifiers[i]))
return true;
}
return false;
}
public boolean containsFieldAlias(String fieldName, String typeSig,
ModifierMatcher matcher) {
if (containsFieldAliasDirectly(fieldName, typeSig, matcher))
return true;
ModifierMatcher packMatcher = matcher.forceAccess(0, true);
ClassInfo[] ifaces = info.getInterfaces();
for (int i=0; i < ifaces.length; i++) {
ClassIdentifier ifaceident = Main.getClassBundle()
.getClassIdentifier(ifaces[i].getName());
if (ifaceident != null) {
if (ifaceident.containsFieldAlias(fieldName, typeSig,
packMatcher))
return true;
} else {
if (containsField(ifaces[i], fieldName, typeSig,
packMatcher))
return true;
}
}
if (info.getSuperclass() != null) {
ClassIdentifier superident = Main.getClassBundle()
.getClassIdentifier(info.getSuperclass().getName());
if (superident != null) {
if (superident.containsFieldAlias(fieldName, typeSig,
packMatcher))
return true;
} else {
if (containsField(info.getSuperclass(),
fieldName, typeSig, packMatcher))
return true;
}
}
return false;
}
public boolean containsMethodAlias(String methodName, String typeSig,
ModifierMatcher matcher) {
if (containsMethodAliasDirectly(methodName,typeSig, matcher))
return true;
ModifierMatcher packMatcher = matcher.forceAccess(0, true);
ClassInfo[] ifaces = info.getInterfaces();
for (int i=0; i < ifaces.length; i++) {
ClassIdentifier ifaceident
= bundle.getClassIdentifier(ifaces[i].getName());
ClassIdentifier ifaceident = Main.getClassBundle()
.getClassIdentifier(ifaces[i].getName());
if (ifaceident != null) {
if (ifaceident.containFieldAlias(fieldName, typeSig))
if (ifaceident.containsMethodAlias(methodName, typeSig,
packMatcher))
return true;
} else {
if (containFieldAlias(ifaces[i], fieldName, typeSig))
if (containsMethod(ifaces[i], methodName, typeSig,
packMatcher))
return true;
}
}
if (info.getSuperclass() != null) {
ClassIdentifier superident
= bundle.getClassIdentifier(info.getSuperclass().getName());
ClassIdentifier superident = Main.getClassBundle()
.getClassIdentifier(info.getSuperclass().getName());
if (superident != null) {
if (superident.containFieldAlias(fieldName, typeSig))
if (superident.containsMethodAlias(methodName, typeSig,
packMatcher))
return true;
} else {
if (containFieldAlias(info.getSuperclass(),
fieldName, typeSig))
if (containsMethod(info.getSuperclass(),
methodName, typeSig, packMatcher))
return true;
}
}
return false;
}
public boolean fieldConflicts(FieldIdentifier field, String newAlias) {
String typeSig = (Main.options & Main.OPTION_STRONGOVERLOAD) != 0
? field.getType() : "";
/* Fields are special: They are not overriden but hidden. We
* must only take care, that the reference of every
* getfield/putfield opcode points to the exact class, afterwards
* we can use doubled name as much as we want.
*/
ModifierMatcher mm = ModifierMatcher.allowAll;
if (containsFieldAliasDirectly(newAlias, typeSig, mm))
return true;
// boolean isPublic = (field.info.getModifier()
// & (Modifier.PROTECTED | Modifier.PUBLIC)) == 0;
// if (field.info.getModifier() & Modifier.PRIVATE != 0) {
// for (Iterator i = clazz.knownSubClasses.iterator();
// i.hasNext(); ) {
// ClassIdentifier ci = (ClassIdentifier) i.next();
// if ((isPublic || ci.getParent() == getParent())
// && ci.containsFieldAliasDirectly(newAlias, typeSig, mm))
// return true;
// }
// }
return false;
}
public boolean methodConflicts(MethodIdentifier method, String newAlias) {
String paramType = method.getType();
if ((Main.options & Main.OPTION_STRONGOVERLOAD) == 0)
paramType = paramType.substring(0, paramType.indexOf(')')+1);
ModifierMatcher matcher = ModifierMatcher.allowAll;
if (containsMethodAlias(newAlias, paramType, matcher))
return true;
ModifierMatcher packMatcher = matcher.forceAccess(0, true);
if (packMatcher.matches(method)) {
for (Iterator i = knownSubClasses.iterator(); i.hasNext(); ) {
ClassIdentifier ci = (ClassIdentifier) i.next();
if (ci.containsMethodAliasDirectly(newAlias, paramType,
matcher))
return true;
}
}
return false;
}
public static Object getMethod(ClassInfo clazz,
String methodName, String paramType) {
@ -741,27 +1045,18 @@ public class ClassIdentifier extends Identifier {
return null;
}
public boolean hasMethod(String methodName, String paramType) {
for (int i=fieldCount; i< identifiers.length; i++) {
if ((!Obfuscator.shouldStrip || identifiers[i].isReachable())
&& identifiers[i].getAlias().equals(methodName)
&& identifiers[i].getType().startsWith(paramType))
return true;
}
return false;
}
public Object getMethod(String methodName, String paramType) {
for (int i=fieldCount; i< identifiers.length; i++) {
if ((!Obfuscator.shouldStrip || identifiers[i].isReachable())
if (((Main.stripping & Main.STRIP_UNREACH) == 0
|| identifiers[i].isReachable())
&& identifiers[i].getAlias().equals(methodName)
&& identifiers[i].getType().startsWith(paramType))
return identifiers[i];
}
ClassInfo[] ifaces = info.getInterfaces();
for (int i=0; i < ifaces.length; i++) {
ClassIdentifier ifaceident
= bundle.getClassIdentifier(ifaces[i].getName());
ClassIdentifier ifaceident = Main.getClassBundle()
.getClassIdentifier(ifaces[i].getName());
if (ifaceident != null) {
Object result = ifaceident.getMethod(methodName, paramType);
if (result != null)
@ -774,8 +1069,8 @@ public class ClassIdentifier extends Identifier {
}
if (info.getSuperclass() != null) {
ClassIdentifier superident
= bundle.getClassIdentifier(info.getSuperclass().getName());
ClassIdentifier superident = Main.getClassBundle()
.getClassIdentifier(info.getSuperclass().getName());
if (superident != null) {
Object result = superident.getMethod(methodName, paramType);
if (result != null)
@ -790,7 +1085,7 @@ public class ClassIdentifier extends Identifier {
return null;
}
public boolean conflicting(String newAlias, boolean strong) {
return pack.contains(newAlias);
public boolean conflicting(String newAlias) {
return pack.contains(newAlias, this);
}
}

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