Follow Fabric guidelines

1 files changed, 514 insertions, 514 deletions

diff --git a/src/main/java/cuchaz/enigma/bytecode/ClassRenamer.java b/src/main/java/cuchaz/enigma/bytecode/ClassRenamer.java
index d874633..a52cab6 100644
--- a/src/main/java/cuchaz/enigma/bytecode/ClassRenamer.java
+++ b/src/main/java/cuchaz/enigma/bytecode/ClassRenamer.java
@@ -8,532 +8,532 @@
  * Contributors:
  * Jeff Martin - initial API and implementation
  ******************************************************************************/
-package cuchaz.enigma.bytecode;
 
-import java.lang.reflect.InvocationTargetException;
-import java.lang.reflect.Method;
-import java.util.Arrays;
-import java.util.HashMap;
-import java.util.List;
-import java.util.Map;
+package cuchaz.enigma.bytecode;
 
 import cuchaz.enigma.mapping.ClassEntry;
 import cuchaz.enigma.mapping.ClassNameReplacer;
 import cuchaz.enigma.mapping.Mappings;
 import cuchaz.enigma.mapping.Translator;
-import javassist.*;
+import javassist.CtBehavior;
+import javassist.CtClass;
+import javassist.CtField;
+import javassist.Modifier;
 import javassist.bytecode.*;
 import javassist.bytecode.SignatureAttribute.*;
 
+import java.lang.reflect.InvocationTargetException;
+import java.lang.reflect.Method;
+import java.util.Arrays;
+import java.util.HashMap;
+import java.util.List;
+import java.util.Map;
+
 public class ClassRenamer {
 
-    private enum SignatureType {
-        Class {
-            @Override
-            public String rename(String signature, ReplacerClassMap map) {
-                return renameClassSignature(signature, map);
-            }
-        },
-        Field {
-            @Override
-            public String rename(String signature, ReplacerClassMap map) {
-                return renameFieldSignature(signature, map);
-            }
-        },
-        Method {
-            @Override
-            public String rename(String signature, ReplacerClassMap map) {
-                return renameMethodSignature(signature, map);
-            }
-        };
-
-        public abstract String rename(String signature, ReplacerClassMap map);
-    }
-
-    private static class ReplacerClassMap extends HashMap<String, String> {
-
-        private ClassNameReplacer replacer;
-
-        public ReplacerClassMap(ClassNameReplacer replacer) {
-            this.replacer = replacer;
-        }
-
-        @Override
-        public String get(Object obj) {
-            if (obj instanceof String) {
-                return get((String) obj);
-            }
-            return null;
-        }
-
-        public String get(String className) {
-            return replacer.replace(className);
-        }
-    }
-
-    public static void applyModifier(Object obj, Mappings.EntryModifier modifier)
-    {
-        int mod = -1;
-        if (obj instanceof CtField)
-            mod = ((CtField) obj).getModifiers();
-        else if (obj instanceof CtBehavior)
-            mod = ((CtBehavior) obj).getModifiers();
-        else if (obj instanceof CtClass)
-            mod = ((CtClass) obj).getModifiers();
-
-        if (mod != -1)
-        {
-            switch (modifier)
-            {
-                case PRIVATE:
-                    mod = Modifier.setPrivate(mod);
-                    break;
-                case PROTECTED:
-                    mod = Modifier.setProtected(mod);
-                    break;
-                case PUBLIC:
-                    mod = Modifier.setPublic(mod);
-                    break;
-                default:
-                    break;
-            }
-            if (obj instanceof CtField)
-                ((CtField) obj).setModifiers(mod);
-            else if (obj instanceof CtBehavior)
-                ((CtBehavior) obj).setModifiers(mod);
-            else
-                ((CtClass) obj).setModifiers(mod);
-        }
-    }
-
-    public static void renameClasses(CtClass c, final Translator translator) {
-        renameClasses(c, className -> {
-            ClassEntry entry = translator.translateEntry(new ClassEntry(className));
-            if (entry != null) {
-                return entry.getName();
-            }
-            return null;
-        });
-    }
-
-    public static void moveAllClassesOutOfDefaultPackage(CtClass c, final String newPackageName) {
-        renameClasses(c, className -> {
-            ClassEntry entry = new ClassEntry(className);
-            if (entry.isInDefaultPackage()) {
-                return newPackageName + "/" + entry.getName();
-            }
-            return null;
-        });
-    }
-
-    public static void moveAllClassesIntoDefaultPackage(CtClass c, final String oldPackageName) {
-        renameClasses(c, className -> {
-            ClassEntry entry = new ClassEntry(className);
-            if (entry.getPackageName().equals(oldPackageName)) {
-                return entry.getSimpleName();
-            }
-            return null;
-        });
-    }
-
-    @SuppressWarnings("unchecked")
-    public static void renameClasses(CtClass c, ClassNameReplacer replacer) {
-
-        // sadly, we can't use CtClass.renameClass() because SignatureAttribute.renameClass() is extremely buggy =(
-
-        ReplacerClassMap map = new ReplacerClassMap(replacer);
-        ClassFile classFile = c.getClassFile();
-
-        // rename the constant pool (covers ClassInfo, MethodTypeInfo, and NameAndTypeInfo)
-        ConstPool constPool = c.getClassFile().getConstPool();
-        constPool.renameClass(map);
-
-        // rename class attributes
-        renameAttributes(classFile.getAttributes(), map, SignatureType.Class);
-
-        // rename methods
-        for (MethodInfo methodInfo : (List<MethodInfo>) classFile.getMethods()) {
-            methodInfo.setDescriptor(Descriptor.rename(methodInfo.getDescriptor(), map));
-            renameAttributes(methodInfo.getAttributes(), map, SignatureType.Method);
-        }
-
-        // rename fields
-        for (FieldInfo fieldInfo : (List<FieldInfo>) classFile.getFields()) {
-            fieldInfo.setDescriptor(Descriptor.rename(fieldInfo.getDescriptor(), map));
-            renameAttributes(fieldInfo.getAttributes(), map, SignatureType.Field);
-        }
-
-        // rename the class name itself last
-        // NOTE: don't use the map here, because setName() calls the buggy SignatureAttribute.renameClass()
-        // we only want to replace exactly this class name
-        String newName = renameClassName(c.getName(), map);
-        if (newName != null) {
-            c.setName(newName);
-        }
-
-        // replace simple names in the InnerClasses attribute too
-        InnerClassesAttribute attr = (InnerClassesAttribute) c.getClassFile().getAttribute(InnerClassesAttribute.tag);
-        if (attr != null) {
-            for (int i = 0; i < attr.tableLength(); i++) {
-
-                String innerName = attr.innerClass(i);
-                // get the inner class full name (which has already been translated)
-                ClassEntry classEntry = new ClassEntry(Descriptor.toJvmName(innerName));
-
-                if (attr.innerNameIndex(i) != 0) {
-                    // update the inner name
-                    attr.setInnerNameIndex(i, constPool.addUtf8Info(classEntry.getInnermostClassName()));
-                }
+        public static void applyModifier(Object obj, Mappings.EntryModifier modifier) {
+                int mod = -1;
+                if (obj instanceof CtField)
+                        mod = ((CtField) obj).getModifiers();
+                else if (obj instanceof CtBehavior)
+                        mod = ((CtBehavior) obj).getModifiers();
+                else if (obj instanceof CtClass)
+                        mod = ((CtClass) obj).getModifiers();
+
+                if (mod != -1) {
+                        switch (modifier) {
+                                case PRIVATE:
+                                        mod = Modifier.setPrivate(mod);
+                                        break;
+                                case PROTECTED:
+                                        mod = Modifier.setProtected(mod);
+                                        break;
+                                case PUBLIC:
+                                        mod = Modifier.setPublic(mod);
+                                        break;
+                                default:
+                                        break;
+                        }
+                        if (obj instanceof CtField)
+                                ((CtField) obj).setModifiers(mod);
+                        else if (obj instanceof CtBehavior)
+                                ((CtBehavior) obj).setModifiers(mod);
+                        else
+                                ((CtClass) obj).setModifiers(mod);
+                }
+        }
+
+        public static void renameClasses(CtClass c, final Translator translator) {
+                renameClasses(c, className -> {
+                        ClassEntry entry = translator.translateEntry(new ClassEntry(className));
+                        if (entry != null) {
+                                return entry.getName();
+                        }
+                        return null;
+                });
+        }
+
+        public static void moveAllClassesOutOfDefaultPackage(CtClass c, final String newPackageName) {
+                renameClasses(c, className -> {
+                        ClassEntry entry = new ClassEntry(className);
+                        if (entry.isInDefaultPackage()) {
+                                return newPackageName + "/" + entry.getName();
+                        }
+                        return null;
+                });
+        }
+
+        public static void moveAllClassesIntoDefaultPackage(CtClass c, final String oldPackageName) {
+                renameClasses(c, className -> {
+                        ClassEntry entry = new ClassEntry(className);
+                        if (entry.getPackageName().equals(oldPackageName)) {
+                                return entry.getSimpleName();
+                        }
+                        return null;
+                });
+        }
+
+        @SuppressWarnings("unchecked")
+        public static void renameClasses(CtClass c, ClassNameReplacer replacer) {
+
+                // sadly, we can't use CtClass.renameClass() because SignatureAttribute.renameClass() is extremely buggy =(
+
+                ReplacerClassMap map = new ReplacerClassMap(replacer);
+                ClassFile classFile = c.getClassFile();
+
+                // rename the constant pool (covers ClassInfo, MethodTypeInfo, and NameAndTypeInfo)
+                ConstPool constPool = c.getClassFile().getConstPool();
+                constPool.renameClass(map);
+
+                // rename class attributes
+                renameAttributes(classFile.getAttributes(), map, SignatureType.Class);
+
+                // rename methods
+                for (MethodInfo methodInfo : (List<MethodInfo>) classFile.getMethods()) {
+                        methodInfo.setDescriptor(Descriptor.rename(methodInfo.getDescriptor(), map));
+                        renameAttributes(methodInfo.getAttributes(), map, SignatureType.Method);
+                }
+
+                // rename fields
+                for (FieldInfo fieldInfo : (List<FieldInfo>) classFile.getFields()) {
+                        fieldInfo.setDescriptor(Descriptor.rename(fieldInfo.getDescriptor(), map));
+                        renameAttributes(fieldInfo.getAttributes(), map, SignatureType.Field);
+                }
+
+                // rename the class name itself last
+                // NOTE: don't use the map here, because setName() calls the buggy SignatureAttribute.renameClass()
+                // we only want to replace exactly this class name
+                String newName = renameClassName(c.getName(), map);
+                if (newName != null) {
+                        c.setName(newName);
+                }
+
+                // replace simple names in the InnerClasses attribute too
+                InnerClassesAttribute attr = (InnerClassesAttribute) c.getClassFile().getAttribute(InnerClassesAttribute.tag);
+                if (attr != null) {
+                        for (int i = 0; i < attr.tableLength(); i++) {
+
+                                String innerName = attr.innerClass(i);
+                                // get the inner class full name (which has already been translated)
+                                ClassEntry classEntry = new ClassEntry(Descriptor.toJvmName(innerName));
+
+                                if (attr.innerNameIndex(i) != 0) {
+                                        // update the inner name
+                                        attr.setInnerNameIndex(i, constPool.addUtf8Info(classEntry.getInnermostClassName()));
+                                }
 
                                 /* DEBUG
-                System.out.println(String.format("\tDEOBF: %s-> ATTR: %s,%s,%s", classEntry, attr.outerClass(i), attr.innerClass(i), attr.innerName(i)));
+                    System.out.println(String.format("\tDEOBF: %s-> ATTR: %s,%s,%s", classEntry, attr.outerClass(i), attr.innerClass(i), attr.innerName(i)));
                                 */
-            }
-        }
-    }
-
-    @SuppressWarnings("unchecked")
-    private static void renameAttributes(List<AttributeInfo> attributes, ReplacerClassMap map, SignatureType type) {
-        try {
-
-            // make the rename class method accessible
-            Method renameClassMethod = AttributeInfo.class.getDeclaredMethod("renameClass", Map.class);
-            renameClassMethod.setAccessible(true);
-
-            for (AttributeInfo attribute : attributes) {
-                if (attribute instanceof SignatureAttribute) {
-                    // this has to be handled specially because SignatureAttribute.renameClass() is buggy as hell
-                    SignatureAttribute signatureAttribute = (SignatureAttribute) attribute;
-                    String newSignature = type.rename(signatureAttribute.getSignature(), map);
-                    if (newSignature != null) {
-                        signatureAttribute.setSignature(newSignature);
-                    }
-                } else if (attribute instanceof CodeAttribute) {
-                    // code attributes have signature attributes too (indirectly)
-                    CodeAttribute codeAttribute = (CodeAttribute) attribute;
-                    renameAttributes(codeAttribute.getAttributes(), map, type);
-                } else if (attribute instanceof LocalVariableTypeAttribute) {
-                    // lvt attributes have signature attributes too
-                    LocalVariableTypeAttribute localVariableAttribute = (LocalVariableTypeAttribute) attribute;
-                    renameLocalVariableTypeAttribute(localVariableAttribute, map);
-                } else {
-                    renameClassMethod.invoke(attribute, map);
-                }
-            }
-
-        } catch (NoSuchMethodException | IllegalAccessException | IllegalArgumentException | InvocationTargetException ex) {
-            throw new Error("Unable to call javassist methods by reflection!", ex);
-        }
-    }
-
-    private static void renameLocalVariableTypeAttribute(LocalVariableTypeAttribute attribute, ReplacerClassMap map) {
-
-        // adapted from LocalVariableAttribute.renameClass()
-        ConstPool cp = attribute.getConstPool();
-        int n = attribute.tableLength();
-        byte[] info = attribute.get();
-        for (int i = 0; i < n; ++i) {
-            int pos = i * 10 + 2;
-            int index = ByteArray.readU16bit(info, pos + 6);
-            if (index != 0) {
-                String signature = cp.getUtf8Info(index);
-                String newSignature = renameLocalVariableSignature(signature, map);
-                if (newSignature != null) {
-                    ByteArray.write16bit(cp.addUtf8Info(newSignature), info, pos + 6);
-                }
-            }
-        }
-    }
-
-    private static String renameLocalVariableSignature(String signature, ReplacerClassMap map) {
-
-        // for some reason, signatures with . in them don't count as field signatures
-        // looks like anonymous classes delimit with . in stead of $
-        // convert the . to $, but keep track of how many we replace
-        // we need to put them back after we translate
-        int start = signature.lastIndexOf('$') + 1;
-        int numConverted = 0;
-        StringBuilder buf = new StringBuilder(signature);
-        for (int i = buf.length() - 1; i >= start; i--) {
-            char c = buf.charAt(i);
-            if (c == '.') {
-                buf.setCharAt(i, '$');
-                numConverted++;
-            }
-        }
-        signature = buf.toString();
-
-        // translate
-        String newSignature = renameFieldSignature(signature, map);
-        if (newSignature != null) {
-
-            // put the delimiters back
-            buf = new StringBuilder(newSignature);
-            for (int i = buf.length() - 1; i >= 0 && numConverted > 0; i--) {
-                char c = buf.charAt(i);
-                if (c == '$') {
-                    buf.setCharAt(i, '.');
-                    numConverted--;
-                }
-            }
-            assert (numConverted == 0);
-            newSignature = buf.toString();
-
-            return newSignature;
-        }
-
-        return null;
-    }
-
-    private static String renameClassSignature(String signature, ReplacerClassMap map) {
-        try {
-            ClassSignature type = renameType(SignatureAttribute.toClassSignature(signature), map);
-            return type.encode();
-        } catch (BadBytecode ex) {
-            throw new Error("Can't parse field signature: " + signature);
-        }
-    }
-
-    private static String renameFieldSignature(String signature, ReplacerClassMap map) {
-        try {
-            ObjectType type = renameType(SignatureAttribute.toFieldSignature(signature), map);
-            if (type != null) {
-                return type.encode();
-            }
-            return null;
-        } catch (BadBytecode ex) {
-            throw new Error("Can't parse class signature: " + signature);
-        }
-    }
-
-    private static String renameMethodSignature(String signature, ReplacerClassMap map) {
-        try {
-            MethodSignature type = renameType(SignatureAttribute.toMethodSignature(signature), map);
-            return type.encode();
-        } catch (BadBytecode ex) {
-            throw new Error("Can't parse method signature: " + signature);
-        }
-    }
-
-    private static TypeParameter[] renameTypeParameter(TypeParameter[] typeParamTypes, ReplacerClassMap map)
-    {
-        if (typeParamTypes != null) {
-            typeParamTypes = Arrays.copyOf(typeParamTypes, typeParamTypes.length);
-            for (int i = 0; i < typeParamTypes.length; i++) {
-                TypeParameter newParamType = renameType(typeParamTypes[i], map);
-                if (newParamType != null) {
-                    typeParamTypes[i] = newParamType;
-                }
-            }
-        }
-        return typeParamTypes;
-    }
-
-    private static ClassSignature renameType(ClassSignature type, ReplacerClassMap map) {
-
-        TypeParameter[] typeParamTypes = renameTypeParameter(type.getParameters(), map);
-
-        ClassType superclassType = type.getSuperClass();
-        if (superclassType != ClassType.OBJECT) {
-            ClassType newSuperclassType = renameType(superclassType, map);
-            if (newSuperclassType != null) {
-                superclassType = newSuperclassType;
-            }
-        }
-
-        ClassType[] interfaceTypes = type.getInterfaces();
-        if (interfaceTypes != null) {
-            interfaceTypes = Arrays.copyOf(interfaceTypes, interfaceTypes.length);
-            for (int i = 0; i < interfaceTypes.length; i++) {
-                ClassType newInterfaceType = renameType(interfaceTypes[i], map);
-                if (newInterfaceType != null) {
-                    interfaceTypes[i] = newInterfaceType;
-                }
-            }
-        }
-
-        return new ClassSignature(typeParamTypes, superclassType, interfaceTypes);
-    }
-
-    private static MethodSignature renameType(MethodSignature type, ReplacerClassMap map) {
-
-        TypeParameter[] typeParamTypes = renameTypeParameter(type.getTypeParameters(), map);
-
-        Type[] paramTypes = type.getParameterTypes();
-        if (paramTypes != null) {
-            paramTypes = Arrays.copyOf(paramTypes, paramTypes.length);
-            for (int i = 0; i < paramTypes.length; i++) {
-                Type newParamType = renameType(paramTypes[i], map);
-                if (newParamType != null) {
-                    paramTypes[i] = newParamType;
-                }
-            }
-        }
-
-        Type returnType = type.getReturnType();
-        if (returnType != null) {
-            Type newReturnType = renameType(returnType, map);
-            if (newReturnType != null) {
-                returnType = newReturnType;
-            }
-        }
-
-        ObjectType[] exceptionTypes = type.getExceptionTypes();
-        if (exceptionTypes != null) {
-            exceptionTypes = Arrays.copyOf(exceptionTypes, exceptionTypes.length);
-            for (int i = 0; i < exceptionTypes.length; i++) {
-                ObjectType newExceptionType = renameType(exceptionTypes[i], map);
-                if (newExceptionType != null) {
-                    exceptionTypes[i] = newExceptionType;
-                }
-            }
-        }
-
-        return new MethodSignature(typeParamTypes, paramTypes, returnType, exceptionTypes);
-    }
-
-    private static Type renameType(Type type, ReplacerClassMap map) {
-        if (type instanceof ObjectType) {
-            return renameType((ObjectType) type, map);
-        } else if (type instanceof BaseType) {
-            return renameType((BaseType) type, map);
-        } else {
-            throw new Error("Don't know how to rename type " + type.getClass());
-        }
-    }
-
-    private static ObjectType renameType(ObjectType type, ReplacerClassMap map) {
-        if (type instanceof ArrayType) {
-            return renameType((ArrayType) type, map);
-        } else if (type instanceof ClassType) {
-            return renameType((ClassType) type, map);
-        } else if (type instanceof TypeVariable) {
-            return renameType((TypeVariable) type, map);
-        } else {
-            throw new Error("Don't know how to rename type " + type.getClass());
-        }
-    }
-
-    private static BaseType renameType(BaseType type, ReplacerClassMap map) {
-        // don't have to rename primitives
-        return null;
-    }
-
-    private static TypeVariable renameType(TypeVariable type, ReplacerClassMap map) {
-        // don't have to rename template args
-        return null;
-    }
-
-    private static ClassType renameType(ClassType type, ReplacerClassMap map) {
-
-        // translate type args
-        TypeArgument[] args = type.getTypeArguments();
-        if (args != null) {
-            args = Arrays.copyOf(args, args.length);
-            for (int i = 0; i < args.length; i++) {
-                TypeArgument newType = renameType(args[i], map);
-                if (newType != null) {
-                    args[i] = newType;
-                }
-            }
-        }
-
-        if (type instanceof NestedClassType) {
-            NestedClassType nestedType = (NestedClassType) type;
-
-            // translate the name
-            String name = getClassName(type);
-            String newName = map.get(name);
-            if (newName != null) {
-                name = new ClassEntry(newName).getInnermostClassName();
-            }
-
-            // translate the parent class too
-            ClassType parent = renameType(nestedType.getDeclaringClass(), map);
-            if (parent == null) {
-                parent = nestedType.getDeclaringClass();
-            }
-
-            return new NestedClassType(parent, name, args);
-        } else {
-
-            // translate the name
-            String name = type.getName();
-            String newName = renameClassName(name, map);
-            if (newName != null) {
-                name = newName;
-            }
-
-            return new ClassType(name, args);
-        }
-    }
-
-    private static String getClassName(ClassType type) {
-        if (type instanceof NestedClassType) {
-            NestedClassType nestedType = (NestedClassType) type;
-            return getClassName(nestedType.getDeclaringClass()) + "$" + Descriptor.toJvmName(type.getName().replace('.', '$'));
-        } else {
-            return Descriptor.toJvmName(type.getName());
-        }
-    }
-
-    private static String renameClassName(String name, ReplacerClassMap map) {
-        String newName = map.get(Descriptor.toJvmName(name));
-        if (newName != null) {
-            return Descriptor.toJavaName(newName);
-        }
-        return null;
-    }
-
-    private static TypeArgument renameType(TypeArgument type, ReplacerClassMap map) {
-        ObjectType subType = type.getType();
-        if (subType != null) {
-            ObjectType newSubType = renameType(subType, map);
-            if (newSubType != null) {
-                switch (type.getKind()) {
-                    case ' ':
-                        return new TypeArgument(newSubType);
-                    case '+':
-                        return TypeArgument.subclassOf(newSubType);
-                    case '-':
-                        return TypeArgument.superOf(newSubType);
-                    default:
-                        throw new Error("Unknown type kind: " + type.getKind());
-                }
-            }
-        }
-        return null;
-    }
-
-    private static ArrayType renameType(ArrayType type, ReplacerClassMap map) {
-        Type newSubType = renameType(type.getComponentType(), map);
-        if (newSubType != null) {
-            return new ArrayType(type.getDimension(), newSubType);
-        }
-        return null;
-    }
-
-    private static TypeParameter renameType(TypeParameter type, ReplacerClassMap map) {
-
-        ObjectType superclassType = type.getClassBound();
-        if (superclassType != null) {
-            ObjectType newSuperclassType = renameType(superclassType, map);
-            if (newSuperclassType != null) {
-                superclassType = newSuperclassType;
-            }
-        }
-
-        ObjectType[] interfaceTypes = type.getInterfaceBound();
-        if (interfaceTypes != null) {
-            interfaceTypes = Arrays.copyOf(interfaceTypes, interfaceTypes.length);
-            for (int i = 0; i < interfaceTypes.length; i++) {
-                ObjectType newInterfaceType = renameType(interfaceTypes[i], map);
-                if (newInterfaceType != null) {
-                    interfaceTypes[i] = newInterfaceType;
-                }
-            }
-        }
-
-        return new TypeParameter(type.getName(), superclassType, interfaceTypes);
-    }
+                        }
+                }
+        }
+
+        @SuppressWarnings("unchecked")
+        private static void renameAttributes(List<AttributeInfo> attributes, ReplacerClassMap map, SignatureType type) {
+                try {
+
+                        // make the rename class method accessible
+                        Method renameClassMethod = AttributeInfo.class.getDeclaredMethod("renameClass", Map.class);
+                        renameClassMethod.setAccessible(true);
+
+                        for (AttributeInfo attribute : attributes) {
+                                if (attribute instanceof SignatureAttribute) {
+                                        // this has to be handled specially because SignatureAttribute.renameClass() is buggy as hell
+                                        SignatureAttribute signatureAttribute = (SignatureAttribute) attribute;
+                                        String newSignature = type.rename(signatureAttribute.getSignature(), map);
+                                        if (newSignature != null) {
+                                                signatureAttribute.setSignature(newSignature);
+                                        }
+                                } else if (attribute instanceof CodeAttribute) {
+                                        // code attributes have signature attributes too (indirectly)
+                                        CodeAttribute codeAttribute = (CodeAttribute) attribute;
+                                        renameAttributes(codeAttribute.getAttributes(), map, type);
+                                } else if (attribute instanceof LocalVariableTypeAttribute) {
+                                        // lvt attributes have signature attributes too
+                                        LocalVariableTypeAttribute localVariableAttribute = (LocalVariableTypeAttribute) attribute;
+                                        renameLocalVariableTypeAttribute(localVariableAttribute, map);
+                                } else {
+                                        renameClassMethod.invoke(attribute, map);
+                                }
+                        }
+
+                } catch (NoSuchMethodException | IllegalAccessException | IllegalArgumentException | InvocationTargetException ex) {
+                        throw new Error("Unable to call javassist methods by reflection!", ex);
+                }
+        }
+
+        private static void renameLocalVariableTypeAttribute(LocalVariableTypeAttribute attribute, ReplacerClassMap map) {
+
+                // adapted from LocalVariableAttribute.renameClass()
+                ConstPool cp = attribute.getConstPool();
+                int n = attribute.tableLength();
+                byte[] info = attribute.get();
+                for (int i = 0; i < n; ++i) {
+                        int pos = i * 10 + 2;
+                        int index = ByteArray.readU16bit(info, pos + 6);
+                        if (index != 0) {
+                                String signature = cp.getUtf8Info(index);
+                                String newSignature = renameLocalVariableSignature(signature, map);
+                                if (newSignature != null) {
+                                        ByteArray.write16bit(cp.addUtf8Info(newSignature), info, pos + 6);
+                                }
+                        }
+                }
+        }
+
+        private static String renameLocalVariableSignature(String signature, ReplacerClassMap map) {
+
+                // for some reason, signatures with . in them don't count as field signatures
+                // looks like anonymous classes delimit with . in stead of $
+                // convert the . to $, but keep track of how many we replace
+                // we need to put them back after we translate
+                int start = signature.lastIndexOf('$') + 1;
+                int numConverted = 0;
+                StringBuilder buf = new StringBuilder(signature);
+                for (int i = buf.length() - 1; i >= start; i--) {
+                        char c = buf.charAt(i);
+                        if (c == '.') {
+                                buf.setCharAt(i, '$');
+                                numConverted++;
+                        }
+                }
+                signature = buf.toString();
+
+                // translate
+                String newSignature = renameFieldSignature(signature, map);
+                if (newSignature != null) {
+
+                        // put the delimiters back
+                        buf = new StringBuilder(newSignature);
+                        for (int i = buf.length() - 1; i >= 0 && numConverted > 0; i--) {
+                                char c = buf.charAt(i);
+                                if (c == '$') {
+                                        buf.setCharAt(i, '.');
+                                        numConverted--;
+                                }
+                        }
+                        assert (numConverted == 0);
+                        newSignature = buf.toString();
+
+                        return newSignature;
+                }
+
+                return null;
+        }
+
+        private static String renameClassSignature(String signature, ReplacerClassMap map) {
+                try {
+                        ClassSignature type = renameType(SignatureAttribute.toClassSignature(signature), map);
+                        return type.encode();
+                } catch (BadBytecode ex) {
+                        throw new Error("Can't parse field signature: " + signature);
+                }
+        }
+
+        private static String renameFieldSignature(String signature, ReplacerClassMap map) {
+                try {
+                        ObjectType type = renameType(SignatureAttribute.toFieldSignature(signature), map);
+                        if (type != null) {
+                                return type.encode();
+                        }
+                        return null;
+                } catch (BadBytecode ex) {
+                        throw new Error("Can't parse class signature: " + signature);
+                }
+        }
+
+        private static String renameMethodSignature(String signature, ReplacerClassMap map) {
+                try {
+                        MethodSignature type = renameType(SignatureAttribute.toMethodSignature(signature), map);
+                        return type.encode();
+                } catch (BadBytecode ex) {
+                        throw new Error("Can't parse method signature: " + signature);
+                }
+        }
+
+        private static TypeParameter[] renameTypeParameter(TypeParameter[] typeParamTypes, ReplacerClassMap map) {
+                if (typeParamTypes != null) {
+                        typeParamTypes = Arrays.copyOf(typeParamTypes, typeParamTypes.length);
+                        for (int i = 0; i < typeParamTypes.length; i++) {
+                                TypeParameter newParamType = renameType(typeParamTypes[i], map);
+                                if (newParamType != null) {
+                                        typeParamTypes[i] = newParamType;
+                                }
+                        }
+                }
+                return typeParamTypes;
+        }
+
+        private static ClassSignature renameType(ClassSignature type, ReplacerClassMap map) {
+
+                TypeParameter[] typeParamTypes = renameTypeParameter(type.getParameters(), map);
+
+                ClassType superclassType = type.getSuperClass();
+                if (superclassType != ClassType.OBJECT) {
+                        ClassType newSuperclassType = renameType(superclassType, map);
+                        if (newSuperclassType != null) {
+                                superclassType = newSuperclassType;
+                        }
+                }
+
+                ClassType[] interfaceTypes = type.getInterfaces();
+                if (interfaceTypes != null) {
+                        interfaceTypes = Arrays.copyOf(interfaceTypes, interfaceTypes.length);
+                        for (int i = 0; i < interfaceTypes.length; i++) {
+                                ClassType newInterfaceType = renameType(interfaceTypes[i], map);
+                                if (newInterfaceType != null) {
+                                        interfaceTypes[i] = newInterfaceType;
+                                }
+                        }
+                }
+
+                return new ClassSignature(typeParamTypes, superclassType, interfaceTypes);
+        }
+
+        private static MethodSignature renameType(MethodSignature type, ReplacerClassMap map) {
+
+                TypeParameter[] typeParamTypes = renameTypeParameter(type.getTypeParameters(), map);
+
+                Type[] paramTypes = type.getParameterTypes();
+                if (paramTypes != null) {
+                        paramTypes = Arrays.copyOf(paramTypes, paramTypes.length);
+                        for (int i = 0; i < paramTypes.length; i++) {
+                                Type newParamType = renameType(paramTypes[i], map);
+                                if (newParamType != null) {
+                                        paramTypes[i] = newParamType;
+                                }
+                        }
+                }
+
+                Type returnType = type.getReturnType();
+                if (returnType != null) {
+                        Type newReturnType = renameType(returnType, map);
+                        if (newReturnType != null) {
+                                returnType = newReturnType;
+                        }
+                }
+
+                ObjectType[] exceptionTypes = type.getExceptionTypes();
+                if (exceptionTypes != null) {
+                        exceptionTypes = Arrays.copyOf(exceptionTypes, exceptionTypes.length);
+                        for (int i = 0; i < exceptionTypes.length; i++) {
+                                ObjectType newExceptionType = renameType(exceptionTypes[i], map);
+                                if (newExceptionType != null) {
+                                        exceptionTypes[i] = newExceptionType;
+                                }
+                        }
+                }
+
+                return new MethodSignature(typeParamTypes, paramTypes, returnType, exceptionTypes);
+        }
+
+        private static Type renameType(Type type, ReplacerClassMap map) {
+                if (type instanceof ObjectType) {
+                        return renameType((ObjectType) type, map);
+                } else if (type instanceof BaseType) {
+                        return renameType((BaseType) type, map);
+                } else {
+                        throw new Error("Don't know how to rename type " + type.getClass());
+                }
+        }
+
+        private static ObjectType renameType(ObjectType type, ReplacerClassMap map) {
+                if (type instanceof ArrayType) {
+                        return renameType((ArrayType) type, map);
+                } else if (type instanceof ClassType) {
+                        return renameType((ClassType) type, map);
+                } else if (type instanceof TypeVariable) {
+                        return renameType((TypeVariable) type, map);
+                } else {
+                        throw new Error("Don't know how to rename type " + type.getClass());
+                }
+        }
+
+        private static BaseType renameType(BaseType type, ReplacerClassMap map) {
+                // don't have to rename primitives
+                return null;
+        }
+
+        private static TypeVariable renameType(TypeVariable type, ReplacerClassMap map) {
+                // don't have to rename template args
+                return null;
+        }
+
+        private static ClassType renameType(ClassType type, ReplacerClassMap map) {
+
+                // translate type args
+                TypeArgument[] args = type.getTypeArguments();
+                if (args != null) {
+                        args = Arrays.copyOf(args, args.length);
+                        for (int i = 0; i < args.length; i++) {
+                                TypeArgument newType = renameType(args[i], map);
+                                if (newType != null) {
+                                        args[i] = newType;
+                                }
+                        }
+                }
+
+                if (type instanceof NestedClassType) {
+                        NestedClassType nestedType = (NestedClassType) type;
+
+                        // translate the name
+                        String name = getClassName(type);
+                        String newName = map.get(name);
+                        if (newName != null) {
+                                name = new ClassEntry(newName).getInnermostClassName();
+                        }
+
+                        // translate the parent class too
+                        ClassType parent = renameType(nestedType.getDeclaringClass(), map);
+                        if (parent == null) {
+                                parent = nestedType.getDeclaringClass();
+                        }
+
+                        return new NestedClassType(parent, name, args);
+                } else {
+
+                        // translate the name
+                        String name = type.getName();
+                        String newName = renameClassName(name, map);
+                        if (newName != null) {
+                                name = newName;
+                        }
+
+                        return new ClassType(name, args);
+                }
+        }
+
+        private static String getClassName(ClassType type) {
+                if (type instanceof NestedClassType) {
+                        NestedClassType nestedType = (NestedClassType) type;
+                        return getClassName(nestedType.getDeclaringClass()) + "$" + Descriptor.toJvmName(type.getName().replace('.', '$'));
+                } else {
+                        return Descriptor.toJvmName(type.getName());
+                }
+        }
+
+        private static String renameClassName(String name, ReplacerClassMap map) {
+                String newName = map.get(Descriptor.toJvmName(name));
+                if (newName != null) {
+                        return Descriptor.toJavaName(newName);
+                }
+                return null;
+        }
+
+        private static TypeArgument renameType(TypeArgument type, ReplacerClassMap map) {
+                ObjectType subType = type.getType();
+                if (subType != null) {
+                        ObjectType newSubType = renameType(subType, map);
+                        if (newSubType != null) {
+                                switch (type.getKind()) {
+                                        case ' ':
+                                                return new TypeArgument(newSubType);
+                                        case '+':
+                                                return TypeArgument.subclassOf(newSubType);
+                                        case '-':
+                                                return TypeArgument.superOf(newSubType);
+                                        default:
+                                                throw new Error("Unknown type kind: " + type.getKind());
+                                }
+                        }
+                }
+                return null;
+        }
+
+        private static ArrayType renameType(ArrayType type, ReplacerClassMap map) {
+                Type newSubType = renameType(type.getComponentType(), map);
+                if (newSubType != null) {
+                        return new ArrayType(type.getDimension(), newSubType);
+                }
+                return null;
+        }
+
+        private static TypeParameter renameType(TypeParameter type, ReplacerClassMap map) {
+
+                ObjectType superclassType = type.getClassBound();
+                if (superclassType != null) {
+                        ObjectType newSuperclassType = renameType(superclassType, map);
+                        if (newSuperclassType != null) {
+                                superclassType = newSuperclassType;
+                        }
+                }
+
+                ObjectType[] interfaceTypes = type.getInterfaceBound();
+                if (interfaceTypes != null) {
+                        interfaceTypes = Arrays.copyOf(interfaceTypes, interfaceTypes.length);
+                        for (int i = 0; i < interfaceTypes.length; i++) {
+                                ObjectType newInterfaceType = renameType(interfaceTypes[i], map);
+                                if (newInterfaceType != null) {
+                                        interfaceTypes[i] = newInterfaceType;
+                                }
+                        }
+                }
+
+                return new TypeParameter(type.getName(), superclassType, interfaceTypes);
+        }
+
+        private enum SignatureType {
+                Class {
+                        @Override
+                        public String rename(String signature, ReplacerClassMap map) {
+                                return renameClassSignature(signature, map);
+                        }
+                },
+                Field {
+                        @Override
+                        public String rename(String signature, ReplacerClassMap map) {
+                                return renameFieldSignature(signature, map);
+                        }
+                },
+                Method {
+                        @Override
+                        public String rename(String signature, ReplacerClassMap map) {
+                                return renameMethodSignature(signature, map);
+                        }
+                };
+
+                public abstract String rename(String signature, ReplacerClassMap map);
+        }
+
+        private static class ReplacerClassMap extends HashMap<String, String> {
+
+                private ClassNameReplacer replacer;
+
+                public ReplacerClassMap(ClassNameReplacer replacer) {
+                        this.replacer = replacer;
+                }
+
+                @Override
+                public String get(Object obj) {
+                        if (obj instanceof String) {
+                                return get((String) obj);
+                        }
+                        return null;
+                }
+
+                public String get(String className) {
+                        return replacer.replace(className);
+                }
+        }
 }