| /* |
| * ProGuard -- shrinking, optimization, obfuscation, and preverification |
| * of Java bytecode. |
| * |
| * 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 |
| * Software Foundation; either version 2 of the License, or (at your option) |
| * any later version. |
| * |
| * This program is distributed in the hope that it will be useful, but WITHOUT |
| * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or |
| * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for |
| * more details. |
| * |
| * You should have received a copy of the GNU General Public License along |
| * with this program; if not, write to the Free Software Foundation, Inc., |
| * 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA |
| */ |
| package proguard.classfile.io; |
| |
| import proguard.classfile.*; |
| import proguard.classfile.attribute.*; |
| import proguard.classfile.attribute.annotation.*; |
| import proguard.classfile.attribute.annotation.target.*; |
| import proguard.classfile.attribute.annotation.target.visitor.*; |
| import proguard.classfile.attribute.annotation.visitor.*; |
| import proguard.classfile.attribute.preverification.*; |
| import proguard.classfile.attribute.preverification.visitor.*; |
| import proguard.classfile.attribute.visitor.*; |
| import proguard.classfile.constant.*; |
| import proguard.classfile.constant.visitor.ConstantVisitor; |
| import proguard.classfile.util.*; |
| import proguard.classfile.visitor.*; |
| |
| import java.io.*; |
| |
| /** |
| * This ClassVisitor writes out the ProgramClass objects that it visits to the |
| * given DataOutput object. |
| * |
| * @author Eric Lafortune |
| */ |
| public class ProgramClassWriter |
| extends SimplifiedVisitor |
| implements ClassVisitor, |
| MemberVisitor, |
| ConstantVisitor, |
| AttributeVisitor |
| { |
| private RuntimeDataOutput dataOutput; |
| |
| private final ConstantBodyWriter constantBodyWriter = new ConstantBodyWriter(); |
| private final AttributeBodyWriter attributeBodyWriter = new AttributeBodyWriter(); |
| private final StackMapFrameBodyWriter stackMapFrameBodyWriter = new StackMapFrameBodyWriter(); |
| private final VerificationTypeBodyWriter verificationTypeBodyWriter = new VerificationTypeBodyWriter(); |
| private final ElementValueBodyWriter elementValueBodyWriter = new ElementValueBodyWriter(); |
| |
| |
| /** |
| * Creates a new ProgramClassWriter for writing to the given DataOutput. |
| */ |
| public ProgramClassWriter(DataOutput dataOutput) |
| { |
| this.dataOutput = new RuntimeDataOutput(dataOutput); |
| } |
| |
| |
| // Implementations for ClassVisitor. |
| |
| public void visitProgramClass(ProgramClass programClass) |
| { |
| // Write the magic number. |
| dataOutput.writeInt(programClass.u4magic); |
| |
| // Write the version numbers. |
| dataOutput.writeShort(ClassUtil.internalMinorClassVersion(programClass.u4version)); |
| dataOutput.writeShort(ClassUtil.internalMajorClassVersion(programClass.u4version)); |
| |
| // Write the constant pool. |
| dataOutput.writeShort(programClass.u2constantPoolCount); |
| |
| programClass.constantPoolEntriesAccept(this); |
| |
| // Write the general class information. |
| dataOutput.writeShort(programClass.u2accessFlags); |
| dataOutput.writeShort(programClass.u2thisClass); |
| dataOutput.writeShort(programClass.u2superClass); |
| |
| // Write the interfaces. |
| dataOutput.writeShort(programClass.u2interfacesCount); |
| |
| for (int index = 0; index < programClass.u2interfacesCount; index++) |
| { |
| dataOutput.writeShort(programClass.u2interfaces[index]); |
| } |
| |
| // Write the fields. |
| dataOutput.writeShort(programClass.u2fieldsCount); |
| |
| programClass.fieldsAccept(this); |
| |
| // Write the methods. |
| dataOutput.writeShort(programClass.u2methodsCount); |
| |
| programClass.methodsAccept(this); |
| |
| // Write the class attributes. |
| dataOutput.writeShort(programClass.u2attributesCount); |
| |
| programClass.attributesAccept(this); |
| } |
| |
| |
| public void visitLibraryClass(LibraryClass libraryClass) |
| { |
| } |
| |
| |
| // Implementations for MemberVisitor. |
| |
| public void visitProgramField(ProgramClass programClass, ProgramField programField) |
| { |
| // Write the general field information. |
| dataOutput.writeShort(programField.u2accessFlags); |
| dataOutput.writeShort(programField.u2nameIndex); |
| dataOutput.writeShort(programField.u2descriptorIndex); |
| |
| // Write the field attributes. |
| dataOutput.writeShort(programField.u2attributesCount); |
| |
| programField.attributesAccept(programClass, this); |
| } |
| |
| |
| public void visitProgramMethod(ProgramClass programClass, ProgramMethod programMethod) |
| { |
| // Write the general method information. |
| dataOutput.writeShort(programMethod.u2accessFlags); |
| dataOutput.writeShort(programMethod.u2nameIndex); |
| dataOutput.writeShort(programMethod.u2descriptorIndex); |
| |
| // Write the method attributes. |
| dataOutput.writeShort(programMethod.u2attributesCount); |
| |
| programMethod.attributesAccept(programClass, this); |
| } |
| |
| |
| public void visitLibraryMember(LibraryClass libraryClass, LibraryMember libraryMember) |
| { |
| } |
| |
| |
| // Implementations for ConstantVisitor. |
| |
| public void visitAnyConstant(Clazz clazz, Constant constant) |
| { |
| // Write the tag. |
| dataOutput.writeByte(constant.getTag()); |
| |
| // Write the actual body. |
| constant.accept(clazz, constantBodyWriter); |
| } |
| |
| |
| private class ConstantBodyWriter |
| extends SimplifiedVisitor |
| implements ConstantVisitor |
| { |
| // Implementations for ConstantVisitor. |
| |
| public void visitIntegerConstant(Clazz clazz, IntegerConstant integerConstant) |
| { |
| dataOutput.writeInt(integerConstant.u4value); |
| } |
| |
| |
| public void visitLongConstant(Clazz clazz, LongConstant longConstant) |
| { |
| dataOutput.writeLong(longConstant.u8value); |
| } |
| |
| |
| public void visitFloatConstant(Clazz clazz, FloatConstant floatConstant) |
| { |
| dataOutput.writeFloat(floatConstant.f4value); |
| } |
| |
| |
| public void visitDoubleConstant(Clazz clazz, DoubleConstant doubleConstant) |
| { |
| dataOutput.writeDouble(doubleConstant.f8value); |
| } |
| |
| |
| public void visitStringConstant(Clazz clazz, StringConstant stringConstant) |
| { |
| dataOutput.writeShort(stringConstant.u2stringIndex); |
| } |
| |
| |
| public void visitUtf8Constant(Clazz clazz, Utf8Constant utf8Constant) |
| { |
| byte[] bytes = utf8Constant.getBytes(); |
| |
| dataOutput.writeShort(bytes.length); |
| dataOutput.write(bytes); |
| } |
| |
| |
| public void visitInvokeDynamicConstant(Clazz clazz, InvokeDynamicConstant invokeDynamicConstant) |
| { |
| dataOutput.writeShort(invokeDynamicConstant.u2bootstrapMethodAttributeIndex); |
| dataOutput.writeShort(invokeDynamicConstant.u2nameAndTypeIndex); |
| } |
| |
| |
| public void visitMethodHandleConstant(Clazz clazz, MethodHandleConstant methodHandleConstant) |
| { |
| dataOutput.writeByte(methodHandleConstant.u1referenceKind); |
| dataOutput.writeShort(methodHandleConstant.u2referenceIndex); |
| } |
| |
| |
| public void visitAnyRefConstant(Clazz clazz, RefConstant refConstant) |
| { |
| dataOutput.writeShort(refConstant.u2classIndex); |
| dataOutput.writeShort(refConstant.u2nameAndTypeIndex); |
| } |
| |
| |
| public void visitClassConstant(Clazz clazz, ClassConstant classConstant) |
| { |
| dataOutput.writeShort(classConstant.u2nameIndex); |
| } |
| |
| |
| public void visitMethodTypeConstant(Clazz clazz, MethodTypeConstant methodTypeConstant) |
| { |
| dataOutput.writeShort(methodTypeConstant.u2descriptorIndex); |
| } |
| |
| |
| public void visitNameAndTypeConstant(Clazz clazz, NameAndTypeConstant nameAndTypeConstant) |
| { |
| dataOutput.writeShort(nameAndTypeConstant.u2nameIndex); |
| dataOutput.writeShort(nameAndTypeConstant.u2descriptorIndex); |
| } |
| } |
| |
| |
| // Implementations for AttributeVisitor. |
| |
| public void visitAnyAttribute(Clazz clazz, Attribute attribute) |
| { |
| // Write the attribute name index. |
| dataOutput.writeShort(attribute.u2attributeNameIndex); |
| |
| // We'll write the attribute body into an array first, so we can |
| // automatically figure out its length. |
| ByteArrayOutputStream byteArrayOutputStream = new ByteArrayOutputStream(); |
| |
| // Temporarily replace the current data output. |
| RuntimeDataOutput oldDataOutput = dataOutput; |
| dataOutput = new RuntimeDataOutput(new DataOutputStream(byteArrayOutputStream)); |
| |
| // Write the attribute body into the array. Note that the |
| // accept method with two dummy null arguments never throws |
| // an UnsupportedOperationException. |
| attribute.accept(clazz, null, null, attributeBodyWriter); |
| |
| // Restore the original data output. |
| dataOutput = oldDataOutput; |
| |
| // Write the attribute length and body. |
| byte[] info = byteArrayOutputStream.toByteArray(); |
| |
| dataOutput.writeInt(info.length); |
| dataOutput.write(info); |
| } |
| |
| |
| private class AttributeBodyWriter |
| extends SimplifiedVisitor |
| implements AttributeVisitor, |
| BootstrapMethodInfoVisitor, |
| InnerClassesInfoVisitor, |
| ExceptionInfoVisitor, |
| StackMapFrameVisitor, |
| VerificationTypeVisitor, |
| LineNumberInfoVisitor, |
| ParameterInfoVisitor, |
| LocalVariableInfoVisitor, |
| LocalVariableTypeInfoVisitor, |
| AnnotationVisitor, |
| TypeAnnotationVisitor, |
| TargetInfoVisitor, |
| TypePathInfoVisitor, |
| LocalVariableTargetElementVisitor, |
| ElementValueVisitor |
| { |
| // Implementations for AttributeVisitor. |
| |
| public void visitUnknownAttribute(Clazz clazz, UnknownAttribute unknownAttribute) |
| { |
| // Write the unknown information. |
| dataOutput.write(unknownAttribute.info); |
| } |
| |
| |
| public void visitBootstrapMethodsAttribute(Clazz clazz, BootstrapMethodsAttribute bootstrapMethodsAttribute) |
| { |
| // Write the bootstrap methods. |
| dataOutput.writeShort(bootstrapMethodsAttribute.u2bootstrapMethodsCount); |
| |
| bootstrapMethodsAttribute.bootstrapMethodEntriesAccept(clazz, this); |
| } |
| |
| |
| public void visitSourceFileAttribute(Clazz clazz, SourceFileAttribute sourceFileAttribute) |
| { |
| dataOutput.writeShort(sourceFileAttribute.u2sourceFileIndex); |
| } |
| |
| |
| public void visitSourceDirAttribute(Clazz clazz, SourceDirAttribute sourceDirAttribute) |
| { |
| dataOutput.writeShort(sourceDirAttribute.u2sourceDirIndex); |
| } |
| |
| |
| public void visitInnerClassesAttribute(Clazz clazz, InnerClassesAttribute innerClassesAttribute) |
| { |
| // Write the inner classes. |
| dataOutput.writeShort(innerClassesAttribute.u2classesCount); |
| |
| innerClassesAttribute.innerClassEntriesAccept(clazz, this); |
| } |
| |
| |
| public void visitEnclosingMethodAttribute(Clazz clazz, EnclosingMethodAttribute enclosingMethodAttribute) |
| { |
| dataOutput.writeShort(enclosingMethodAttribute.u2classIndex); |
| dataOutput.writeShort(enclosingMethodAttribute.u2nameAndTypeIndex); |
| } |
| |
| |
| public void visitDeprecatedAttribute(Clazz clazz, DeprecatedAttribute deprecatedAttribute) |
| { |
| // This attribute does not contain any additional information. |
| } |
| |
| |
| public void visitSyntheticAttribute(Clazz clazz, SyntheticAttribute syntheticAttribute) |
| { |
| // This attribute does not contain any additional information. |
| } |
| |
| |
| public void visitSignatureAttribute(Clazz clazz, SignatureAttribute signatureAttribute) |
| { |
| dataOutput.writeShort(signatureAttribute.u2signatureIndex); |
| } |
| |
| |
| public void visitConstantValueAttribute(Clazz clazz, Field field, ConstantValueAttribute constantValueAttribute) |
| { |
| dataOutput.writeShort(constantValueAttribute.u2constantValueIndex); |
| } |
| |
| |
| public void visitMethodParametersAttribute(Clazz clazz, Method method, MethodParametersAttribute methodParametersAttribute) |
| { |
| // Write the parameter information. |
| dataOutput.writeByte(methodParametersAttribute.u1parametersCount); |
| |
| methodParametersAttribute.parametersAccept(clazz, method, this); |
| } |
| |
| |
| public void visitExceptionsAttribute(Clazz clazz, Method method, ExceptionsAttribute exceptionsAttribute) |
| { |
| // Write the exceptions. |
| dataOutput.writeShort(exceptionsAttribute.u2exceptionIndexTableLength); |
| |
| for (int index = 0; index < exceptionsAttribute.u2exceptionIndexTableLength; index++) |
| { |
| dataOutput.writeShort(exceptionsAttribute.u2exceptionIndexTable[index]); |
| } |
| } |
| |
| |
| public void visitCodeAttribute(Clazz clazz, Method method, CodeAttribute codeAttribute) |
| { |
| // Write the stack size and local variable frame size. |
| dataOutput.writeShort(codeAttribute.u2maxStack); |
| dataOutput.writeShort(codeAttribute.u2maxLocals); |
| |
| // Write the byte code. |
| dataOutput.writeInt(codeAttribute.u4codeLength); |
| |
| dataOutput.write(codeAttribute.code, 0, codeAttribute.u4codeLength); |
| |
| // Write the exceptions. |
| dataOutput.writeShort(codeAttribute.u2exceptionTableLength); |
| |
| codeAttribute.exceptionsAccept(clazz, method, this); |
| |
| // Write the code attributes. |
| dataOutput.writeShort(codeAttribute.u2attributesCount); |
| |
| codeAttribute.attributesAccept(clazz, method, ProgramClassWriter.this); |
| } |
| |
| |
| public void visitStackMapAttribute(Clazz clazz, Method method, CodeAttribute codeAttribute, StackMapAttribute stackMapAttribute) |
| { |
| // Write the stack map frames (only full frames, without tag). |
| dataOutput.writeShort(stackMapAttribute.u2stackMapFramesCount); |
| |
| stackMapAttribute.stackMapFramesAccept(clazz, method, codeAttribute, stackMapFrameBodyWriter); |
| } |
| |
| |
| public void visitStackMapTableAttribute(Clazz clazz, Method method, CodeAttribute codeAttribute, StackMapTableAttribute stackMapTableAttribute) |
| { |
| // Write the stack map frames. |
| dataOutput.writeShort(stackMapTableAttribute.u2stackMapFramesCount); |
| |
| stackMapTableAttribute.stackMapFramesAccept(clazz, method, codeAttribute, this); |
| } |
| |
| |
| public void visitLineNumberTableAttribute(Clazz clazz, Method method, CodeAttribute codeAttribute, LineNumberTableAttribute lineNumberTableAttribute) |
| { |
| // Write the line numbers. |
| dataOutput.writeShort(lineNumberTableAttribute.u2lineNumberTableLength); |
| |
| lineNumberTableAttribute.lineNumbersAccept(clazz, method, codeAttribute, this); |
| } |
| |
| |
| public void visitLocalVariableTableAttribute(Clazz clazz, Method method, CodeAttribute codeAttribute, LocalVariableTableAttribute localVariableTableAttribute) |
| { |
| // Write the local variables. |
| dataOutput.writeShort(localVariableTableAttribute.u2localVariableTableLength); |
| |
| localVariableTableAttribute.localVariablesAccept(clazz, method, codeAttribute, this); |
| } |
| |
| |
| public void visitLocalVariableTypeTableAttribute(Clazz clazz, Method method, CodeAttribute codeAttribute, LocalVariableTypeTableAttribute localVariableTypeTableAttribute) |
| { |
| // Write the local variable types. |
| dataOutput.writeShort(localVariableTypeTableAttribute.u2localVariableTypeTableLength); |
| |
| localVariableTypeTableAttribute.localVariablesAccept(clazz, method, codeAttribute, this); |
| } |
| |
| |
| public void visitAnyAnnotationsAttribute(Clazz clazz, AnnotationsAttribute annotationsAttribute) |
| { |
| // Write the annotations. |
| dataOutput.writeShort(annotationsAttribute.u2annotationsCount); |
| |
| annotationsAttribute.annotationsAccept(clazz, this); |
| } |
| |
| |
| public void visitAnyParameterAnnotationsAttribute(Clazz clazz, Method method, ParameterAnnotationsAttribute parameterAnnotationsAttribute) |
| { |
| // Write the parameter annotations. |
| dataOutput.writeByte(parameterAnnotationsAttribute.u1parametersCount); |
| |
| for (int parameterIndex = 0; parameterIndex < parameterAnnotationsAttribute.u1parametersCount; parameterIndex++) |
| { |
| // Write the parameter annotations of the given parameter. |
| int u2annotationsCount = parameterAnnotationsAttribute.u2parameterAnnotationsCount[parameterIndex]; |
| Annotation[] annotations = parameterAnnotationsAttribute.parameterAnnotations[parameterIndex]; |
| |
| dataOutput.writeShort(u2annotationsCount); |
| |
| for (int index = 0; index < u2annotationsCount; index++) |
| { |
| visitAnnotation(clazz, annotations[index]); |
| } |
| |
| } |
| } |
| |
| |
| public void visitAnyTypeAnnotationsAttribute(Clazz clazz, TypeAnnotationsAttribute typeAnnotationsAttribute) |
| { |
| // Write the type annotations. |
| dataOutput.writeShort(typeAnnotationsAttribute.u2annotationsCount); |
| |
| typeAnnotationsAttribute.typeAnnotationsAccept(clazz, this); |
| } |
| |
| |
| public void visitAnnotationDefaultAttribute(Clazz clazz, Method method, AnnotationDefaultAttribute annotationDefaultAttribute) |
| { |
| // Write the default element value. |
| annotationDefaultAttribute.defaultValue.accept(clazz, null, this); |
| } |
| |
| |
| // Implementations for BootstrapMethodInfoVisitor. |
| |
| public void visitBootstrapMethodInfo(Clazz clazz, BootstrapMethodInfo bootstrapMethodInfo) |
| { |
| dataOutput.writeShort(bootstrapMethodInfo.u2methodHandleIndex); |
| |
| // Write the bootstrap method arguments. |
| dataOutput.writeShort(bootstrapMethodInfo.u2methodArgumentCount); |
| |
| for (int index = 0; index < bootstrapMethodInfo.u2methodArgumentCount; index++) |
| { |
| dataOutput.writeShort(bootstrapMethodInfo.u2methodArguments[index]); |
| } |
| } |
| |
| |
| // Implementations for InnerClassesInfoVisitor. |
| |
| public void visitInnerClassesInfo(Clazz clazz, InnerClassesInfo innerClassesInfo) |
| { |
| dataOutput.writeShort(innerClassesInfo.u2innerClassIndex); |
| dataOutput.writeShort(innerClassesInfo.u2outerClassIndex); |
| dataOutput.writeShort(innerClassesInfo.u2innerNameIndex); |
| dataOutput.writeShort(innerClassesInfo.u2innerClassAccessFlags); |
| } |
| |
| |
| // Implementations for ExceptionInfoVisitor. |
| |
| public void visitExceptionInfo(Clazz clazz, Method method, CodeAttribute codeAttribute, ExceptionInfo exceptionInfo) |
| { |
| dataOutput.writeShort(exceptionInfo.u2startPC); |
| dataOutput.writeShort(exceptionInfo.u2endPC); |
| dataOutput.writeShort(exceptionInfo.u2handlerPC); |
| dataOutput.writeShort(exceptionInfo.u2catchType); |
| } |
| |
| |
| // Implementations for StackMapFrameVisitor. |
| |
| public void visitAnyStackMapFrame(Clazz clazz, Method method, CodeAttribute codeAttribute, int offset, StackMapFrame stackMapFrame) |
| { |
| // Write the stack map frame tag. |
| dataOutput.writeByte(stackMapFrame.getTag()); |
| |
| // Write the actual body. |
| stackMapFrame.accept(clazz, method, codeAttribute, offset, stackMapFrameBodyWriter); |
| } |
| |
| |
| // Implementations for LineNumberInfoVisitor. |
| |
| public void visitLineNumberInfo(Clazz clazz, Method method, CodeAttribute codeAttribute, LineNumberInfo lineNumberInfo) |
| { |
| dataOutput.writeShort(lineNumberInfo.u2startPC); |
| dataOutput.writeShort(lineNumberInfo.u2lineNumber); |
| } |
| |
| |
| // Implementations for ParameterInfoVisitor. |
| |
| public void visitParameterInfo(Clazz clazz, Method method, int parameterIndex, ParameterInfo parameterInfo) |
| { |
| dataOutput.writeShort(parameterInfo.u2nameIndex); |
| dataOutput.writeShort(parameterInfo.u2accessFlags); |
| } |
| |
| |
| // Implementations for LocalVariableInfoVisitor. |
| |
| public void visitLocalVariableInfo(Clazz clazz, Method method, CodeAttribute codeAttribute, LocalVariableInfo localVariableInfo) |
| { |
| dataOutput.writeShort(localVariableInfo.u2startPC); |
| dataOutput.writeShort(localVariableInfo.u2length); |
| dataOutput.writeShort(localVariableInfo.u2nameIndex); |
| dataOutput.writeShort(localVariableInfo.u2descriptorIndex); |
| dataOutput.writeShort(localVariableInfo.u2index); |
| } |
| |
| |
| // Implementations for LocalVariableTypeInfoVisitor. |
| |
| public void visitLocalVariableTypeInfo(Clazz clazz, Method method, CodeAttribute codeAttribute, LocalVariableTypeInfo localVariableTypeInfo) |
| { |
| dataOutput.writeShort(localVariableTypeInfo.u2startPC); |
| dataOutput.writeShort(localVariableTypeInfo.u2length); |
| dataOutput.writeShort(localVariableTypeInfo.u2nameIndex); |
| dataOutput.writeShort(localVariableTypeInfo.u2signatureIndex); |
| dataOutput.writeShort(localVariableTypeInfo.u2index); |
| } |
| |
| |
| // Implementations for AnnotationVisitor. |
| |
| public void visitAnnotation(Clazz clazz, Annotation annotation) |
| { |
| // Write the annotation type. |
| dataOutput.writeShort(annotation.u2typeIndex); |
| |
| // Write the element value pairs. |
| dataOutput.writeShort(annotation.u2elementValuesCount); |
| |
| annotation.elementValuesAccept(clazz, this); |
| } |
| |
| |
| // Implementations for TypeAnnotationVisitor. |
| |
| public void visitTypeAnnotation(Clazz clazz, TypeAnnotation typeAnnotation) |
| { |
| // Write the target info. |
| dataOutput.writeByte(typeAnnotation.targetInfo.u1targetType); |
| |
| typeAnnotation.targetInfoAccept(clazz, this); |
| |
| // Write the type path. |
| dataOutput.writeByte(typeAnnotation.typePath.length); |
| |
| typeAnnotation.typePathInfosAccept(clazz, this); |
| |
| // Write the actual annotation. |
| visitAnnotation(clazz, typeAnnotation); |
| } |
| |
| |
| // Implementations for TargetInfoVisitor. |
| |
| public void visitTypeParameterTargetInfo(Clazz clazz, TypeAnnotation typeAnnotation, TypeParameterTargetInfo typeParameterTargetInfo) |
| { |
| dataOutput.writeByte(typeParameterTargetInfo.u1typeParameterIndex); |
| } |
| |
| |
| public void visitSuperTypeTargetInfo(Clazz clazz, TypeAnnotation typeAnnotation, SuperTypeTargetInfo superTypeTargetInfo) |
| { |
| dataOutput.writeShort(superTypeTargetInfo.u2superTypeIndex); |
| } |
| |
| |
| public void visitTypeParameterBoundTargetInfo(Clazz clazz, TypeAnnotation typeAnnotation, TypeParameterBoundTargetInfo typeParameterBoundTargetInfo) |
| { |
| dataOutput.writeByte(typeParameterBoundTargetInfo.u1typeParameterIndex); |
| dataOutput.writeByte(typeParameterBoundTargetInfo.u1boundIndex); |
| } |
| |
| |
| public void visitEmptyTargetInfo(Clazz clazz, Member member, TypeAnnotation typeAnnotation, EmptyTargetInfo emptyTargetInfo) |
| { |
| } |
| |
| |
| public void visitFormalParameterTargetInfo(Clazz clazz, Method method, TypeAnnotation typeAnnotation, FormalParameterTargetInfo formalParameterTargetInfo) |
| { |
| dataOutput.writeByte(formalParameterTargetInfo.u1formalParameterIndex); |
| } |
| |
| |
| public void visitThrowsTargetInfo(Clazz clazz, Method method, TypeAnnotation typeAnnotation, ThrowsTargetInfo throwsTargetInfo) |
| { |
| dataOutput.writeShort(throwsTargetInfo.u2throwsTypeIndex); |
| } |
| |
| |
| public void visitLocalVariableTargetInfo(Clazz clazz, Method method, CodeAttribute codeAttribute, TypeAnnotation typeAnnotation, LocalVariableTargetInfo localVariableTargetInfo) |
| { |
| // Write the local variable target elements. |
| dataOutput.writeShort(localVariableTargetInfo.u2tableLength); |
| |
| localVariableTargetInfo.targetElementsAccept(clazz, method, codeAttribute, typeAnnotation, this); |
| } |
| |
| |
| public void visitCatchTargetInfo(Clazz clazz, Method method, CodeAttribute codeAttribute, TypeAnnotation typeAnnotation, CatchTargetInfo catchTargetInfo) |
| { |
| dataOutput.writeShort(catchTargetInfo.u2exceptionTableIndex); |
| } |
| |
| |
| public void visitOffsetTargetInfo(Clazz clazz, Method method, CodeAttribute codeAttribute, TypeAnnotation typeAnnotation, OffsetTargetInfo offsetTargetInfo) |
| { |
| dataOutput.writeShort(offsetTargetInfo.u2offset); |
| } |
| |
| |
| public void visitTypeArgumentTargetInfo(Clazz clazz, Method method, CodeAttribute codeAttribute, TypeAnnotation typeAnnotation, TypeArgumentTargetInfo typeArgumentTargetInfo) |
| { |
| dataOutput.writeShort(typeArgumentTargetInfo.u2offset); |
| dataOutput.writeByte(typeArgumentTargetInfo.u1typeArgumentIndex); |
| } |
| |
| |
| // Implementations for TypePathInfoVisitor. |
| |
| public void visitTypePathInfo(Clazz clazz, TypeAnnotation typeAnnotation, TypePathInfo typePathInfo) |
| { |
| dataOutput.writeByte(typePathInfo.u1typePathKind); |
| dataOutput.writeByte(typePathInfo.u1typeArgumentIndex); |
| } |
| |
| |
| // Implementations for LocalVariableTargetElementVisitor. |
| |
| public void visitLocalVariableTargetElement(Clazz clazz, Method method, CodeAttribute codeAttribute, TypeAnnotation typeAnnotation, LocalVariableTargetInfo localVariableTargetInfo, LocalVariableTargetElement localVariableTargetElement) |
| { |
| dataOutput.writeShort(localVariableTargetElement.u2startPC); |
| dataOutput.writeShort(localVariableTargetElement.u2length); |
| dataOutput.writeShort(localVariableTargetElement.u2index); |
| } |
| |
| |
| // Implementations for ElementValueVisitor. |
| |
| public void visitAnyElementValue(Clazz clazz, Annotation annotation, ElementValue elementValue) |
| { |
| // Write the element name index, if applicable. |
| int u2elementNameIndex = elementValue.u2elementNameIndex; |
| if (u2elementNameIndex != 0) |
| { |
| dataOutput.writeShort(u2elementNameIndex); |
| } |
| |
| // Write the tag. |
| dataOutput.writeByte(elementValue.getTag()); |
| |
| // Write the actual body. |
| elementValue.accept(clazz, annotation, elementValueBodyWriter); |
| } |
| } |
| |
| |
| private class StackMapFrameBodyWriter |
| extends SimplifiedVisitor |
| implements StackMapFrameVisitor, |
| VerificationTypeVisitor |
| { |
| public void visitSameZeroFrame(Clazz clazz, Method method, CodeAttribute codeAttribute, int offset, SameZeroFrame sameZeroFrame) |
| { |
| if (sameZeroFrame.getTag() == StackMapFrame.SAME_ZERO_FRAME_EXTENDED) |
| { |
| dataOutput.writeShort(sameZeroFrame.u2offsetDelta); |
| } |
| } |
| |
| |
| public void visitSameOneFrame(Clazz clazz, Method method, CodeAttribute codeAttribute, int offset, SameOneFrame sameOneFrame) |
| { |
| if (sameOneFrame.getTag() == StackMapFrame.SAME_ONE_FRAME_EXTENDED) |
| { |
| dataOutput.writeShort(sameOneFrame.u2offsetDelta); |
| } |
| |
| // Write the verification type of the stack entry. |
| sameOneFrame.stackItemAccept(clazz, method, codeAttribute, offset, this); |
| } |
| |
| |
| public void visitLessZeroFrame(Clazz clazz, Method method, CodeAttribute codeAttribute, int offset, LessZeroFrame lessZeroFrame) |
| { |
| dataOutput.writeShort(lessZeroFrame.u2offsetDelta); |
| } |
| |
| |
| public void visitMoreZeroFrame(Clazz clazz, Method method, CodeAttribute codeAttribute, int offset, MoreZeroFrame moreZeroFrame) |
| { |
| dataOutput.writeShort(moreZeroFrame.u2offsetDelta); |
| |
| // Write the verification types of the additional local variables. |
| moreZeroFrame.additionalVariablesAccept(clazz, method, codeAttribute, offset, this); |
| } |
| |
| |
| public void visitFullFrame(Clazz clazz, Method method, CodeAttribute codeAttribute, int offset, FullFrame fullFrame) |
| { |
| dataOutput.writeShort(fullFrame.u2offsetDelta); |
| |
| // Write the verification types of the local variables. |
| dataOutput.writeShort(fullFrame.variablesCount); |
| fullFrame.variablesAccept(clazz, method, codeAttribute, offset, this); |
| |
| // Write the verification types of the stack entries. |
| dataOutput.writeShort(fullFrame.stackCount); |
| fullFrame.stackAccept(clazz, method, codeAttribute, offset, this); |
| } |
| |
| |
| // Implementations for VerificationTypeVisitor. |
| |
| public void visitAnyVerificationType(Clazz clazz, Method method, CodeAttribute codeAttribute, int offset, VerificationType verificationType) |
| { |
| // Write the verification type tag. |
| dataOutput.writeByte(verificationType.getTag()); |
| |
| // Write the actual body. |
| verificationType.accept(clazz, method, codeAttribute, offset, verificationTypeBodyWriter); |
| } |
| } |
| |
| |
| private class VerificationTypeBodyWriter |
| extends SimplifiedVisitor |
| implements VerificationTypeVisitor |
| { |
| // Implementations for VerificationTypeVisitor. |
| |
| public void visitAnyVerificationType(Clazz clazz, Method method, CodeAttribute codeAttribute, int offset, VerificationType verificationType) |
| { |
| // Most verification types don't contain any additional information. |
| } |
| |
| |
| public void visitObjectType(Clazz clazz, Method method, CodeAttribute codeAttribute, int offset, ObjectType objectType) |
| { |
| dataOutput.writeShort(objectType.u2classIndex); |
| } |
| |
| |
| public void visitUninitializedType(Clazz clazz, Method method, CodeAttribute codeAttribute, int offset, UninitializedType uninitializedType) |
| { |
| dataOutput.writeShort(uninitializedType.u2newInstructionOffset); |
| } |
| } |
| |
| |
| private class ElementValueBodyWriter |
| extends SimplifiedVisitor |
| implements ElementValueVisitor |
| { |
| // Implementations for ElementValueVisitor. |
| |
| public void visitConstantElementValue(Clazz clazz, Annotation annotation, ConstantElementValue constantElementValue) |
| { |
| dataOutput.writeShort(constantElementValue.u2constantValueIndex); |
| } |
| |
| |
| public void visitEnumConstantElementValue(Clazz clazz, Annotation annotation, EnumConstantElementValue enumConstantElementValue) |
| { |
| dataOutput.writeShort(enumConstantElementValue.u2typeNameIndex); |
| dataOutput.writeShort(enumConstantElementValue.u2constantNameIndex); |
| } |
| |
| |
| public void visitClassElementValue(Clazz clazz, Annotation annotation, ClassElementValue classElementValue) |
| { |
| dataOutput.writeShort(classElementValue.u2classInfoIndex); |
| } |
| |
| |
| public void visitAnnotationElementValue(Clazz clazz, Annotation annotation, AnnotationElementValue annotationElementValue) |
| { |
| // Write the annotation. |
| attributeBodyWriter.visitAnnotation(clazz, annotationElementValue.annotationValue); |
| } |
| |
| |
| public void visitArrayElementValue(Clazz clazz, Annotation annotation, ArrayElementValue arrayElementValue) |
| { |
| // Write the element values. |
| dataOutput.writeShort(arrayElementValue.u2elementValuesCount); |
| |
| arrayElementValue.elementValuesAccept(clazz, annotation, attributeBodyWriter); |
| } |
| } |
| } |
