9 files changed, 823 insertions, 0 deletions

diff --git a/src/cuchaz/enigma/bytecode/accessors/ClassInfoAccessor.java b/src/cuchaz/enigma/bytecode/accessors/ClassInfoAccessor.java
new file mode 100644
index 0000000..41e1d04
--- /dev/null
+++ b/src/cuchaz/enigma/bytecode/accessors/ClassInfoAccessor.java
@@ -0,0 +1,69 @@
+/*******************************************************************************
+ * Copyright (c) 2014 Jeff Martin.
+ * All rights reserved. This program and the accompanying materials
+ * are made available under the terms of the GNU Public License v3.0
+ * which accompanies this distribution, and is available at
+ * http://www.gnu.org/licenses/gpl.html
+ * 
+ * Contributors:
+ *     Jeff Martin - initial API and implementation
+ ******************************************************************************/
+package cuchaz.enigma.bytecode.accessors;
+
+import java.lang.reflect.Field;
+
+public class ClassInfoAccessor
+{
+        private static Class<?> m_class;
+        private static Field m_nameIndex;
+        
+        static
+        {
+                try
+                {
+                        m_class = Class.forName( "javassist.bytecode.ClassInfo" );
+                        m_nameIndex = m_class.getDeclaredField( "name" );
+                        m_nameIndex.setAccessible( true );
+                }
+                catch( Exception ex )
+                {
+                        throw new Error( ex );
+                }
+        }
+        
+        public static boolean isType( ConstInfoAccessor accessor )
+        {
+                return m_class.isAssignableFrom( accessor.getItem().getClass() );
+        }
+        
+        private Object m_item;
+        
+        public ClassInfoAccessor( Object item )
+        {
+                m_item = item;
+        }
+        
+        public int getNameIndex( )
+        {
+                try
+                {
+                        return (Integer)m_nameIndex.get( m_item );
+                }
+                catch( Exception ex )
+                {
+                        throw new Error( ex );
+                }
+        }
+        
+        public void setNameIndex( int val )
+        {
+                try
+                {
+                        m_nameIndex.set( m_item, val );
+                }
+                catch( Exception ex )
+                {
+                        throw new Error( ex );
+                }
+        }
+}
diff --git a/src/cuchaz/enigma/bytecode/accessors/ConstInfoAccessor.java b/src/cuchaz/enigma/bytecode/accessors/ConstInfoAccessor.java
new file mode 100644
index 0000000..3c3d3fa
--- /dev/null
+++ b/src/cuchaz/enigma/bytecode/accessors/ConstInfoAccessor.java
@@ -0,0 +1,199 @@
+/*******************************************************************************
+ * Copyright (c) 2014 Jeff Martin.
+ * All rights reserved. This program and the accompanying materials
+ * are made available under the terms of the GNU Public License v3.0
+ * which accompanies this distribution, and is available at
+ * http://www.gnu.org/licenses/gpl.html
+ * 
+ * Contributors:
+ *     Jeff Martin - initial API and implementation
+ ******************************************************************************/
+package cuchaz.enigma.bytecode.accessors;
+
+import java.io.ByteArrayInputStream;
+import java.io.ByteArrayOutputStream;
+import java.io.DataInputStream;
+import java.io.DataOutputStream;
+import java.io.IOException;
+import java.io.PrintWriter;
+import java.lang.reflect.Constructor;
+import java.lang.reflect.Field;
+import java.lang.reflect.Method;
+
+import cuchaz.enigma.bytecode.InfoType;
+
+public class ConstInfoAccessor
+{
+        private static Class<?> m_class;
+        private static Field m_index;
+        private static Method m_getTag;
+        
+        static
+        {
+                try
+                {
+                        m_class = Class.forName( "javassist.bytecode.ConstInfo" );
+                        m_index = m_class.getDeclaredField( "index" );
+                        m_index.setAccessible( true );
+                        m_getTag = m_class.getMethod( "getTag" );
+                        m_getTag.setAccessible( true );
+                }
+                catch( Exception ex )
+                {
+                        throw new Error( ex );
+                }
+        }
+        
+        private Object m_item;
+        
+        public ConstInfoAccessor( Object item )
+        {
+                if( item == null )
+                {
+                        throw new IllegalArgumentException( "item cannot be null!" );
+                }
+                m_item = item;
+        }
+        
+        public ConstInfoAccessor( DataInputStream in )
+        throws IOException
+        {
+                try
+                {
+                        // read the entry
+                        String className = in.readUTF();
+                        int oldIndex = in.readInt();
+                        
+                        // NOTE: ConstInfo instances write a type id (a "tag"), but they don't read it back
+                        // so we have to read it here
+                        in.readByte();
+                        
+                        Constructor<?> constructor = Class.forName( className ).getConstructor( DataInputStream.class, int.class );
+                        constructor.setAccessible( true );
+                        m_item = constructor.newInstance( in, oldIndex );
+                }
+                catch( IOException ex )
+                {
+                        throw ex;
+                }
+                catch( Exception ex )
+                {
+                        throw new Error( ex );
+                }
+        }
+        
+        public Object getItem( )
+        {
+                return m_item;
+        }
+        
+        public int getIndex( )
+        {
+                try
+                {
+                        return (Integer)m_index.get( m_item );
+                }
+                catch( Exception ex )
+                {
+                        throw new Error( ex );
+                }
+        }
+        
+        public void setIndex( int val )
+        {
+                try
+                {
+                        m_index.set( m_item, val );
+                }
+                catch( Exception ex )
+                {
+                        throw new Error( ex );
+                }
+        }
+        
+        public int getTag( )
+        {
+                try
+                {
+                        return (Integer)m_getTag.invoke( m_item );
+                }
+                catch( Exception ex )
+                {
+                        throw new Error( ex );
+                }
+        }
+        
+        public ConstInfoAccessor copy( )
+        {
+                return new ConstInfoAccessor( copyItem() );
+        }
+        
+        public Object copyItem( )
+        {
+                // I don't know of a simpler way to copy one of these silly things...
+                try
+                {
+                        // serialize the item
+                        ByteArrayOutputStream buf = new ByteArrayOutputStream();
+                        DataOutputStream out = new DataOutputStream( buf );
+                        write( out );
+                        
+                        // deserialize the item
+                        DataInputStream in = new DataInputStream( new ByteArrayInputStream( buf.toByteArray() ) );
+                        Object item = new ConstInfoAccessor( in ).getItem();
+                        in.close();
+                        
+                        return item;
+                }
+                catch( Exception ex )
+                {
+                        throw new Error( ex );
+                }
+        }
+        
+        public void write( DataOutputStream out )
+        throws IOException
+        {
+                try
+                {
+                        out.writeUTF( m_item.getClass().getName() );
+                        out.writeInt( getIndex() );
+                        
+                        Method method = m_item.getClass().getMethod( "write", DataOutputStream.class );
+                        method.setAccessible( true );
+                        method.invoke( m_item, out );
+                }
+                catch( IOException ex )
+                {
+                        throw ex;
+                }
+                catch( Exception ex )
+                {
+                        throw new Error( ex );
+                }
+        }
+        
+        @Override
+        public String toString( )
+        {
+                try
+                {
+                        ByteArrayOutputStream buf = new ByteArrayOutputStream();
+                        PrintWriter out = new PrintWriter( buf );
+                        Method print = m_item.getClass().getMethod( "print", PrintWriter.class );
+                        print.setAccessible( true );
+                        print.invoke( m_item, out );
+                        out.close();
+                        return buf.toString().replace( "\n", "" );
+                }
+                catch( Exception ex )
+                {
+                        throw new Error( ex );
+                }
+        }
+        
+        public InfoType getType( )
+        {
+                return InfoType.getByTag( getTag() );
+        }
+}
diff --git a/src/cuchaz/enigma/bytecode/accessors/InvokeDynamicInfoAccessor.java b/src/cuchaz/enigma/bytecode/accessors/InvokeDynamicInfoAccessor.java
new file mode 100644
index 0000000..169306a
--- /dev/null
+++ b/src/cuchaz/enigma/bytecode/accessors/InvokeDynamicInfoAccessor.java
@@ -0,0 +1,96 @@
+/*******************************************************************************
+ * Copyright (c) 2014 Jeff Martin.
+ * All rights reserved. This program and the accompanying materials
+ * are made available under the terms of the GNU Public License v3.0
+ * which accompanies this distribution, and is available at
+ * http://www.gnu.org/licenses/gpl.html
+ * 
+ * Contributors:
+ *     Jeff Martin - initial API and implementation
+ ******************************************************************************/
+package cuchaz.enigma.bytecode.accessors;
+
+import java.lang.reflect.Field;
+
+public class InvokeDynamicInfoAccessor
+{
+        private static Class<?> m_class;
+        private static Field m_bootstrapIndex;
+        private static Field m_nameAndTypeIndex;
+        
+        static
+        {
+                try
+                {
+                        m_class = Class.forName( "javassist.bytecode.InvokeDynamicInfo" );
+                        m_bootstrapIndex = m_class.getDeclaredField( "bootstrap" );
+                        m_bootstrapIndex.setAccessible( true );
+                        m_nameAndTypeIndex = m_class.getDeclaredField( "nameAndType" );
+                        m_nameAndTypeIndex.setAccessible( true );
+                }
+                catch( Exception ex )
+                {
+                        throw new Error( ex );
+                }
+        }
+        
+        public static boolean isType( ConstInfoAccessor accessor )
+        {
+                return m_class.isAssignableFrom( accessor.getItem().getClass() );
+        }
+        
+        private Object m_item;
+        
+        public InvokeDynamicInfoAccessor( Object item )
+        {
+                m_item = item;
+        }
+        
+        public int getBootstrapIndex( )
+        {
+                try
+                {
+                        return (Integer)m_bootstrapIndex.get( m_item );
+                }
+                catch( Exception ex )
+                {
+                        throw new Error( ex );
+                }
+        }
+        
+        public void setBootstrapIndex( int val )
+        {
+                try
+                {
+                        m_bootstrapIndex.set( m_item, val );
+                }
+                catch( Exception ex )
+                {
+                        throw new Error( ex );
+                }
+        }
+        
+        public int getNameAndTypeIndex( )
+        {
+                try
+                {
+                        return (Integer)m_nameAndTypeIndex.get( m_item );
+                }
+                catch( Exception ex )
+                {
+                        throw new Error( ex );
+                }
+        }
+        
+        public void setNameAndTypeIndex( int val )
+        {
+                try
+                {
+                        m_nameAndTypeIndex.set( m_item, val );
+                }
+                catch( Exception ex )
+                {
+                        throw new Error( ex );
+                }
+        }
+}
diff --git a/src/cuchaz/enigma/bytecode/accessors/MemberRefInfoAccessor.java b/src/cuchaz/enigma/bytecode/accessors/MemberRefInfoAccessor.java
new file mode 100644
index 0000000..2ee3aff
--- /dev/null
+++ b/src/cuchaz/enigma/bytecode/accessors/MemberRefInfoAccessor.java
@@ -0,0 +1,96 @@
+/*******************************************************************************
+ * Copyright (c) 2014 Jeff Martin.
+ * All rights reserved. This program and the accompanying materials
+ * are made available under the terms of the GNU Public License v3.0
+ * which accompanies this distribution, and is available at
+ * http://www.gnu.org/licenses/gpl.html
+ * 
+ * Contributors:
+ *     Jeff Martin - initial API and implementation
+ ******************************************************************************/
+package cuchaz.enigma.bytecode.accessors;
+
+import java.lang.reflect.Field;
+
+public class MemberRefInfoAccessor
+{
+        private static Class<?> m_class;
+        private static Field m_classIndex;
+        private static Field m_nameAndTypeIndex;
+        
+        static
+        {
+                try
+                {
+                        m_class = Class.forName( "javassist.bytecode.MemberrefInfo" );
+                        m_classIndex = m_class.getDeclaredField( "classIndex" );
+                        m_classIndex.setAccessible( true );
+                        m_nameAndTypeIndex = m_class.getDeclaredField( "nameAndTypeIndex" );
+                        m_nameAndTypeIndex.setAccessible( true );
+                }
+                catch( Exception ex )
+                {
+                        throw new Error( ex );
+                }
+        }
+        
+        public static boolean isType( ConstInfoAccessor accessor )
+        {
+                return m_class.isAssignableFrom( accessor.getItem().getClass() );
+        }
+        
+        private Object m_item;
+        
+        public MemberRefInfoAccessor( Object item )
+        {
+                m_item = item;
+        }
+        
+        public int getClassIndex( )
+        {
+                try
+                {
+                        return (Integer)m_classIndex.get( m_item );
+                }
+                catch( Exception ex )
+                {
+                        throw new Error( ex );
+                }
+        }
+        
+        public void setClassIndex( int val )
+        {
+                try
+                {
+                        m_classIndex.set( m_item, val );
+                }
+                catch( Exception ex )
+                {
+                        throw new Error( ex );
+                }
+        }
+        
+        public int getNameAndTypeIndex( )
+        {
+                try
+                {
+                        return (Integer)m_nameAndTypeIndex.get( m_item );
+                }
+                catch( Exception ex )
+                {
+                        throw new Error( ex );
+                }
+        }
+        
+        public void setNameAndTypeIndex( int val )
+        {
+                try
+                {
+                        m_nameAndTypeIndex.set( m_item, val );
+                }
+                catch( Exception ex )
+                {
+                        throw new Error( ex );
+                }
+        }
+}
diff --git a/src/cuchaz/enigma/bytecode/accessors/MethodHandleInfoAccessor.java b/src/cuchaz/enigma/bytecode/accessors/MethodHandleInfoAccessor.java
new file mode 100644
index 0000000..27b7aee
--- /dev/null
+++ b/src/cuchaz/enigma/bytecode/accessors/MethodHandleInfoAccessor.java
@@ -0,0 +1,96 @@
+/*******************************************************************************
+ * Copyright (c) 2014 Jeff Martin.
+ * All rights reserved. This program and the accompanying materials
+ * are made available under the terms of the GNU Public License v3.0
+ * which accompanies this distribution, and is available at
+ * http://www.gnu.org/licenses/gpl.html
+ * 
+ * Contributors:
+ *     Jeff Martin - initial API and implementation
+ ******************************************************************************/
+package cuchaz.enigma.bytecode.accessors;
+
+import java.lang.reflect.Field;
+
+public class MethodHandleInfoAccessor
+{
+        private static Class<?> m_class;
+        private static Field m_kindIndex;
+        private static Field m_indexIndex;
+        
+        static
+        {
+                try
+                {
+                        m_class = Class.forName( "javassist.bytecode.MethodHandleInfo" );
+                        m_kindIndex = m_class.getDeclaredField( "refKind" );
+                        m_kindIndex.setAccessible( true );
+                        m_indexIndex = m_class.getDeclaredField( "refIndex" );
+                        m_indexIndex.setAccessible( true );
+                }
+                catch( Exception ex )
+                {
+                        throw new Error( ex );
+                }
+        }
+        
+        public static boolean isType( ConstInfoAccessor accessor )
+        {
+                return m_class.isAssignableFrom( accessor.getItem().getClass() );
+        }
+        
+        private Object m_item;
+        
+        public MethodHandleInfoAccessor( Object item )
+        {
+                m_item = item;
+        }
+        
+        public int getTypeIndex( )
+        {
+                try
+                {
+                        return (Integer)m_kindIndex.get( m_item );
+                }
+                catch( Exception ex )
+                {
+                        throw new Error( ex );
+                }
+        }
+        
+        public void setTypeIndex( int val )
+        {
+                try
+                {
+                        m_kindIndex.set( m_item, val );
+                }
+                catch( Exception ex )
+                {
+                        throw new Error( ex );
+                }
+        }
+        
+        public int getMethodRefIndex( )
+        {
+                try
+                {
+                        return (Integer)m_indexIndex.get( m_item );
+                }
+                catch( Exception ex )
+                {
+                        throw new Error( ex );
+                }
+        }
+        
+        public void setMethodRefIndex( int val )
+        {
+                try
+                {
+                        m_indexIndex.set( m_item, val );
+                }
+                catch( Exception ex )
+                {
+                        throw new Error( ex );
+                }
+        }
+}
diff --git a/src/cuchaz/enigma/bytecode/accessors/MethodTypeInfoAccessor.java b/src/cuchaz/enigma/bytecode/accessors/MethodTypeInfoAccessor.java
new file mode 100644
index 0000000..4cba6a2
--- /dev/null
+++ b/src/cuchaz/enigma/bytecode/accessors/MethodTypeInfoAccessor.java
@@ -0,0 +1,69 @@
+/*******************************************************************************
+ * Copyright (c) 2014 Jeff Martin.
+ * All rights reserved. This program and the accompanying materials
+ * are made available under the terms of the GNU Public License v3.0
+ * which accompanies this distribution, and is available at
+ * http://www.gnu.org/licenses/gpl.html
+ * 
+ * Contributors:
+ *     Jeff Martin - initial API and implementation
+ ******************************************************************************/
+package cuchaz.enigma.bytecode.accessors;
+
+import java.lang.reflect.Field;
+
+public class MethodTypeInfoAccessor
+{
+        private static Class<?> m_class;
+        private static Field m_descriptorIndex;
+        
+        static
+        {
+                try
+                {
+                        m_class = Class.forName( "javassist.bytecode.MethodTypeInfo" );
+                        m_descriptorIndex = m_class.getDeclaredField( "descriptor" );
+                        m_descriptorIndex.setAccessible( true );
+                }
+                catch( Exception ex )
+                {
+                        throw new Error( ex );
+                }
+        }
+        
+        public static boolean isType( ConstInfoAccessor accessor )
+        {
+                return m_class.isAssignableFrom( accessor.getItem().getClass() );
+        }
+        
+        private Object m_item;
+        
+        public MethodTypeInfoAccessor( Object item )
+        {
+                m_item = item;
+        }
+        
+        public int getTypeIndex( )
+        {
+                try
+                {
+                        return (Integer)m_descriptorIndex.get( m_item );
+                }
+                catch( Exception ex )
+                {
+                        throw new Error( ex );
+                }
+        }
+        
+        public void setTypeIndex( int val )
+        {
+                try
+                {
+                        m_descriptorIndex.set( m_item, val );
+                }
+                catch( Exception ex )
+                {
+                        throw new Error( ex );
+                }
+        }
+}
diff --git a/src/cuchaz/enigma/bytecode/accessors/NameAndTypeInfoAccessor.java b/src/cuchaz/enigma/bytecode/accessors/NameAndTypeInfoAccessor.java
new file mode 100644
index 0000000..03b4de3
--- /dev/null
+++ b/src/cuchaz/enigma/bytecode/accessors/NameAndTypeInfoAccessor.java
@@ -0,0 +1,96 @@
+/*******************************************************************************
+ * Copyright (c) 2014 Jeff Martin.
+ * All rights reserved. This program and the accompanying materials
+ * are made available under the terms of the GNU Public License v3.0
+ * which accompanies this distribution, and is available at
+ * http://www.gnu.org/licenses/gpl.html
+ * 
+ * Contributors:
+ *     Jeff Martin - initial API and implementation
+ ******************************************************************************/
+package cuchaz.enigma.bytecode.accessors;
+
+import java.lang.reflect.Field;
+
+public class NameAndTypeInfoAccessor
+{
+        private static Class<?> m_class;
+        private static Field m_nameIndex;
+        private static Field m_typeIndex;
+        
+        static
+        {
+                try
+                {
+                        m_class = Class.forName( "javassist.bytecode.NameAndTypeInfo" );
+                        m_nameIndex = m_class.getDeclaredField( "memberName" );
+                        m_nameIndex.setAccessible( true );
+                        m_typeIndex = m_class.getDeclaredField( "typeDescriptor" );
+                        m_typeIndex.setAccessible( true );
+                }
+                catch( Exception ex )
+                {
+                        throw new Error( ex );
+                }
+        }
+        
+        public static boolean isType( ConstInfoAccessor accessor )
+        {
+                return m_class.isAssignableFrom( accessor.getItem().getClass() );
+        }
+        
+        private Object m_item;
+        
+        public NameAndTypeInfoAccessor( Object item )
+        {
+                m_item = item;
+        }
+        
+        public int getNameIndex( )
+        {
+                try
+                {
+                        return (Integer)m_nameIndex.get( m_item );
+                }
+                catch( Exception ex )
+                {
+                        throw new Error( ex );
+                }
+        }
+        
+        public void setNameIndex( int val )
+        {
+                try
+                {
+                        m_nameIndex.set( m_item, val );
+                }
+                catch( Exception ex )
+                {
+                        throw new Error( ex );
+                }
+        }
+        
+        public int getTypeIndex( )
+        {
+                try
+                {
+                        return (Integer)m_typeIndex.get( m_item );
+                }
+                catch( Exception ex )
+                {
+                        throw new Error( ex );
+                }
+        }
+        
+        public void setTypeIndex( int val )
+        {
+                try
+                {
+                        m_typeIndex.set( m_item, val );
+                }
+                catch( Exception ex )
+                {
+                        throw new Error( ex );
+                }
+        }
+}
diff --git a/src/cuchaz/enigma/bytecode/accessors/StringInfoAccessor.java b/src/cuchaz/enigma/bytecode/accessors/StringInfoAccessor.java
new file mode 100644
index 0000000..5cdfce4
--- /dev/null
+++ b/src/cuchaz/enigma/bytecode/accessors/StringInfoAccessor.java
@@ -0,0 +1,69 @@
+/*******************************************************************************
+ * Copyright (c) 2014 Jeff Martin.
+ * All rights reserved. This program and the accompanying materials
+ * are made available under the terms of the GNU Public License v3.0
+ * which accompanies this distribution, and is available at
+ * http://www.gnu.org/licenses/gpl.html
+ * 
+ * Contributors:
+ *     Jeff Martin - initial API and implementation
+ ******************************************************************************/
+package cuchaz.enigma.bytecode.accessors;
+
+import java.lang.reflect.Field;
+
+public class StringInfoAccessor
+{
+        private static Class<?> m_class;
+        private static Field m_stringIndex;
+        
+        static
+        {
+                try
+                {
+                        m_class = Class.forName( "javassist.bytecode.StringInfo" );
+                        m_stringIndex = m_class.getDeclaredField( "string" );
+                        m_stringIndex.setAccessible( true );
+                }
+                catch( Exception ex )
+                {
+                        throw new Error( ex );
+                }
+        }
+        
+        public static boolean isType( ConstInfoAccessor accessor )
+        {
+                return m_class.isAssignableFrom( accessor.getItem().getClass() );
+        }
+        
+        private Object m_item;
+        
+        public StringInfoAccessor( Object item )
+        {
+                m_item = item;
+        }
+        
+        public int getStringIndex( )
+        {
+                try
+                {
+                        return (Integer)m_stringIndex.get( m_item );
+                }
+                catch( Exception ex )
+                {
+                        throw new Error( ex );
+                }
+        }
+        
+        public void setStringIndex( int val )
+        {
+                try
+                {
+                        m_stringIndex.set( m_item, val );
+                }
+                catch( Exception ex )
+                {
+                        throw new Error( ex );
+                }
+        }
+}
diff --git a/src/cuchaz/enigma/bytecode/accessors/Utf8InfoAccessor.java b/src/cuchaz/enigma/bytecode/accessors/Utf8InfoAccessor.java
new file mode 100644
index 0000000..1cadd83
--- /dev/null
+++ b/src/cuchaz/enigma/bytecode/accessors/Utf8InfoAccessor.java
@@ -0,0 +1,33 @@
+/*******************************************************************************
+ * Copyright (c) 2014 Jeff Martin.
+ * All rights reserved. This program and the accompanying materials
+ * are made available under the terms of the GNU Public License v3.0
+ * which accompanies this distribution, and is available at
+ * http://www.gnu.org/licenses/gpl.html
+ * 
+ * Contributors:
+ *     Jeff Martin - initial API and implementation
+ ******************************************************************************/
+package cuchaz.enigma.bytecode.accessors;
+
+public class Utf8InfoAccessor
+{
+        private static Class<?> m_class;
+        
+        static
+        {
+                try
+                {
+                        m_class = Class.forName( "javassist.bytecode.Utf8Info" );
+                }
+                catch( Exception ex )
+                {
+                        throw new Error( ex );
+                }
+        }
+        
+        public static boolean isType( ConstInfoAccessor accessor )
+        {
+                return m_class.isAssignableFrom( accessor.getItem().getClass() );
+        }
+}