From 4be005617b3b8c3578cca07c5d085d12916f0d1d Mon Sep 17 00:00:00 2001
From: lclc98
Date: Thu, 30 Jun 2016 00:49:21 +1000
Subject: Json format (#2)

* Added new format

* Fixed bug

* Updated Version
---
 src/cuchaz/enigma/bytecode/ClassRenamer.java | 544 ---------------------------
 1 file changed, 544 deletions(-)
 delete mode 100644 src/cuchaz/enigma/bytecode/ClassRenamer.java

(limited to 'src/cuchaz/enigma/bytecode/ClassRenamer.java')

diff --git a/src/cuchaz/enigma/bytecode/ClassRenamer.java b/src/cuchaz/enigma/bytecode/ClassRenamer.java
deleted file mode 100644
index 509877a..0000000
--- a/src/cuchaz/enigma/bytecode/ClassRenamer.java
+++ /dev/null
@@ -1,544 +0,0 @@
-/*******************************************************************************
- * Copyright (c) 2015 Jeff Martin.
- * All rights reserved. This program and the accompanying materials
- * are made available under the terms of the GNU Lesser General Public
- * License v3.0 which accompanies this distribution, and is available at
- * http://www.gnu.org/licenses/lgpl.html
- * 
- * 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;
-
-import javassist.CtClass;
-import javassist.bytecode.AttributeInfo;
-import javassist.bytecode.BadBytecode;
-import javassist.bytecode.ByteArray;
-import javassist.bytecode.ClassFile;
-import javassist.bytecode.CodeAttribute;
-import javassist.bytecode.ConstPool;
-import javassist.bytecode.Descriptor;
-import javassist.bytecode.FieldInfo;
-import javassist.bytecode.InnerClassesAttribute;
-import javassist.bytecode.LocalVariableTypeAttribute;
-import javassist.bytecode.MethodInfo;
-import javassist.bytecode.SignatureAttribute;
-import javassist.bytecode.SignatureAttribute.ArrayType;
-import javassist.bytecode.SignatureAttribute.BaseType;
-import javassist.bytecode.SignatureAttribute.ClassSignature;
-import javassist.bytecode.SignatureAttribute.ClassType;
-import javassist.bytecode.SignatureAttribute.MethodSignature;
-import javassist.bytecode.SignatureAttribute.NestedClassType;
-import javassist.bytecode.SignatureAttribute.ObjectType;
-import javassist.bytecode.SignatureAttribute.Type;
-import javassist.bytecode.SignatureAttribute.TypeArgument;
-import javassist.bytecode.SignatureAttribute.TypeParameter;
-import javassist.bytecode.SignatureAttribute.TypeVariable;
-import cuchaz.enigma.mapping.ClassEntry;
-import cuchaz.enigma.mapping.ClassNameReplacer;
-import cuchaz.enigma.mapping.Translator;
-
-public class ClassRenamer {
-	
-	private static 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 static final long serialVersionUID = 317915213205066168L;
-		
-		private ClassNameReplacer m_replacer;
-		
-		public ReplacerClassMap(ClassNameReplacer replacer) {
-			m_replacer = replacer;
-		}
-		
-		@Override
-		public String get(Object obj) {
-			if (obj instanceof String) {
-				return get((String)obj);
-			}
-			return null;
-		}
-		
-		public String get(String className) {
-			return m_replacer.replace(className);
-		}
-	}
-	
-	public static void renameClasses(CtClass c, final Translator translator) {
-		renameClasses(c, new ClassNameReplacer() {
-			@Override
-			public String replace(String 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, new ClassNameReplacer() {
-			@Override
-			public String replace(String 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, new ClassNameReplacer() {
-			@Override
-			public String replace(String 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++) {
-				
-				// get the inner class full name (which has already been translated)
-				ClassEntry classEntry = new ClassEntry(Descriptor.toJvmName(attr.innerClass(i)));
-				
-				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)));
-				*/
-			}
-		}
-	}
-	
-	@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);
-			if (type != null) {
-				return type.encode();
-			}
-			return null;
-		} 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);
-			if (type != null) {
-				return type.encode();
-			}
-			return null;
-		} catch (BadBytecode ex) {
-			throw new Error("Can't parse method signature: " + signature);
-		}
-	}
-	
-	private static ClassSignature renameType(ClassSignature type, ReplacerClassMap map) {
-		
-		TypeParameter[] typeParamTypes = type.getParameters();
-		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;
-				}
-			}
-		}
-		
-		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 = type.getTypeParameters();
-		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;
-				}
-			}
-		}
-		
-		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);
-	}
-}
-- 
cgit v1.2.3