diff options
Diffstat (limited to 'src/proguard/classfile/editor/ClassReferenceFixer.java')
| -rw-r--r-- | src/proguard/classfile/editor/ClassReferenceFixer.java | 93 |
1 files changed, 69 insertions, 24 deletions
diff --git a/src/proguard/classfile/editor/ClassReferenceFixer.java b/src/proguard/classfile/editor/ClassReferenceFixer.java index 1f8b396..0570084 100644 --- a/src/proguard/classfile/editor/ClassReferenceFixer.java +++ b/src/proguard/classfile/editor/ClassReferenceFixer.java @@ -2,7 +2,7 @@ * ProGuard -- shrinking, optimization, obfuscation, and preverification * of Java bytecode. * - * Copyright (c) 2002-2013 Eric Lafortune (eric@graphics.cornell.edu) + * Copyright (c) 2002-2014 Eric Lafortune (eric@graphics.cornell.edu) * * This program is free software; you can redistribute it and/or modify it * under the terms of the GNU General Public License as published by the Free @@ -173,8 +173,11 @@ implements ClassVisitor, String newDescriptor = newDescriptor(descriptor, libraryMethod.referencedClasses); - // Update the descriptor. - libraryMethod.descriptor = newDescriptor; + if (!descriptor.equals(newDescriptor)) + { + // Update the descriptor. + libraryMethod.descriptor = newDescriptor; + } } @@ -200,7 +203,12 @@ implements ClassVisitor, // Update the String entry if required. if (!newInternalClassName.equals(internalClassName)) { - String newExternalClassName = ClassUtil.externalClassName(newInternalClassName); + // Only convert to an external class name if the original was + // an external class name too. + String newExternalClassName = + externalClassName.indexOf(JavaConstants.PACKAGE_SEPARATOR) >= 0 ? + ClassUtil.externalClassName(newInternalClassName) : + newInternalClassName; // Refer to a new Utf8 entry. stringConstant.u2stringIndex = @@ -210,6 +218,24 @@ implements ClassVisitor, } + public void visitInvokeDynamicConstant(Clazz clazz, InvokeDynamicConstant invokeDynamicConstant) + { + // Has the descriptor changed? + String descriptor = invokeDynamicConstant.getType(clazz); + String newDescriptor = newDescriptor(descriptor, + invokeDynamicConstant.referencedClasses); + + if (!descriptor.equals(newDescriptor)) + { + String name = invokeDynamicConstant.getName(clazz); + + // Refer to a new NameAndType entry. + invokeDynamicConstant.u2nameAndTypeIndex = + new ConstantPoolEditor((ProgramClass)clazz).addNameAndTypeConstant(name, newDescriptor); + } + } + + public void visitClassConstant(Clazz clazz, ClassConstant classConstant) { // Do we know the referenced class? @@ -228,6 +254,23 @@ implements ClassVisitor, } } + + public void visitMethodTypeConstant(Clazz clazz, MethodTypeConstant methodTypeConstant) + { + // Has the descriptor changed? + String descriptor = methodTypeConstant.getType(clazz); + String newDescriptor = newDescriptor(descriptor, + methodTypeConstant.referencedClasses); + + if (!descriptor.equals(newDescriptor)) + { + // Update the descriptor. + methodTypeConstant.u2descriptorIndex = + new ConstantPoolEditor((ProgramClass)clazz).addUtf8Constant(newDescriptor); + } + } + + // Implementations for AttributeVisitor. public void visitAnyAttribute(Clazz clazz, Attribute attribute) {} @@ -263,13 +306,14 @@ implements ClassVisitor, public void visitSignatureAttribute(Clazz clazz, SignatureAttribute signatureAttribute) { - // Compute the new signature. - String signature = clazz.getString(signatureAttribute.u2signatureIndex); + // Has the signature changed? + String signature = signatureAttribute.getSignature(clazz); String newSignature = newDescriptor(signature, signatureAttribute.referencedClasses); if (!signature.equals(newSignature)) { + // Update the signature. signatureAttribute.u2signatureIndex = new ConstantPoolEditor((ProgramClass)clazz).addUtf8Constant(newSignature); } @@ -308,7 +352,7 @@ implements ClassVisitor, innerNameIndex != 0) { String newInnerName = clazz.getClassName(innerClassIndex); - int index = newInnerName.lastIndexOf(ClassConstants.INTERNAL_INNER_CLASS_SEPARATOR); + int index = newInnerName.lastIndexOf(ClassConstants.INNER_CLASS_SEPARATOR); if (index >= 0) { innerClassesInfo.u2innerNameIndex = @@ -323,7 +367,7 @@ implements ClassVisitor, public void visitLocalVariableInfo(Clazz clazz, Method method, CodeAttribute codeAttribute, LocalVariableInfo localVariableInfo) { // Has the descriptor changed? - String descriptor = clazz.getString(localVariableInfo.u2descriptorIndex); + String descriptor = localVariableInfo.getDescriptor(clazz); String newDescriptor = newDescriptor(descriptor, localVariableInfo.referencedClass); @@ -340,12 +384,13 @@ implements ClassVisitor, public void visitLocalVariableTypeInfo(Clazz clazz, Method method, CodeAttribute codeAttribute, LocalVariableTypeInfo localVariableTypeInfo) { // Has the signature changed? - String signature = clazz.getString(localVariableTypeInfo.u2signatureIndex); + String signature = localVariableTypeInfo.getSignature(clazz); String newSignature = newDescriptor(signature, localVariableTypeInfo.referencedClasses); if (!signature.equals(newSignature)) { + // Update the signature. localVariableTypeInfo.u2signatureIndex = new ConstantPoolEditor((ProgramClass)clazz).addUtf8Constant(newSignature); } @@ -355,14 +400,14 @@ implements ClassVisitor, public void visitAnnotation(Clazz clazz, Annotation annotation) { - // Compute the new type name. - String typeName = clazz.getString(annotation.u2typeIndex); + // Has the type changed? + String typeName = annotation.getType(clazz); String newTypeName = newDescriptor(typeName, annotation.referencedClasses); if (!typeName.equals(newTypeName)) { - // Refer to a new Utf8 entry. + // Update the type. annotation.u2typeIndex = new ConstantPoolEditor((ProgramClass)clazz).addUtf8Constant(newTypeName); } @@ -381,14 +426,14 @@ implements ClassVisitor, public void visitEnumConstantElementValue(Clazz clazz, Annotation annotation, EnumConstantElementValue enumConstantElementValue) { - // Compute the new type name. - String typeName = clazz.getString(enumConstantElementValue.u2typeNameIndex); + // Has the type name chamged? + String typeName = enumConstantElementValue.getTypeName(clazz); String newTypeName = newDescriptor(typeName, enumConstantElementValue.referencedClasses); if (!typeName.equals(newTypeName)) { - // Refer to a new Utf8 entry. + // Update the type name. enumConstantElementValue.u2typeNameIndex = new ConstantPoolEditor((ProgramClass)clazz).addUtf8Constant(newTypeName); } @@ -397,14 +442,14 @@ implements ClassVisitor, public void visitClassElementValue(Clazz clazz, Annotation annotation, ClassElementValue classElementValue) { - // Compute the new class name. - String className = clazz.getString(classElementValue.u2classInfoIndex); + // Has the class info changed? + String className = classElementValue.getClassName(clazz); String newClassName = newDescriptor(className, classElementValue.referencedClasses); if (!className.equals(newClassName)) { - // Refer to a new Utf8 entry. + // Update the class info. classElementValue.u2classInfoIndex = new ConstantPoolEditor((ProgramClass)clazz).addUtf8Constant(newClassName); } @@ -492,7 +537,7 @@ implements ClassVisitor, if (isInnerClassName) { newClassName = - newClassName.substring(newClassName.lastIndexOf(ClassConstants.INTERNAL_INNER_CLASS_SEPARATOR)+1); + newClassName.substring(newClassName.lastIndexOf(ClassConstants.INNER_CLASS_SEPARATOR)+1); } newDescriptorBuffer.append(newClassName); @@ -508,8 +553,8 @@ implements ClassVisitor, */ private String newUniqueMemberName(String name, String descriptor) { - return name.equals(ClassConstants.INTERNAL_METHOD_NAME_INIT) ? - ClassConstants.INTERNAL_METHOD_NAME_INIT : + return name.equals(ClassConstants.METHOD_NAME_INIT) ? + ClassConstants.METHOD_NAME_INIT : name + ClassConstants.SPECIAL_MEMBER_SEPARATOR + Long.toHexString(Math.abs((descriptor).hashCode())); } @@ -532,13 +577,13 @@ implements ClassVisitor, String newClassName = referencedClass.getName(); // Is it an array type? - if (className.charAt(0) == ClassConstants.INTERNAL_TYPE_ARRAY) + if (className.charAt(0) == ClassConstants.TYPE_ARRAY) { // Add the array prefixes and suffix "[L...;". newClassName = - className.substring(0, className.indexOf(ClassConstants.INTERNAL_TYPE_CLASS_START)+1) + + className.substring(0, className.indexOf(ClassConstants.TYPE_CLASS_START)+1) + newClassName + - ClassConstants.INTERNAL_TYPE_CLASS_END; + ClassConstants.TYPE_CLASS_END; } return newClassName; |