| /******************************************************************************* |
| * Copyright (c) 2004, 2009 IBM Corporation and others. |
| * |
| * This program and the accompanying materials |
| * are made available under the terms of the Eclipse Public License 2.0 |
| * which accompanies this distribution, and is available at |
| * https://www.eclipse.org/legal/epl-2.0/ |
| * |
| * SPDX-License-Identifier: EPL-2.0 |
| * |
| * Contributors: |
| * IBM Corporation - initial API and implementation |
| *******************************************************************************/ |
| package org.aspectj.org.eclipse.jdt.internal.core.util; |
| |
| import org.aspectj.org.eclipse.jdt.core.util.ClassFormatException; |
| import org.aspectj.org.eclipse.jdt.core.util.IConstantPool; |
| import org.aspectj.org.eclipse.jdt.core.util.IConstantPoolConstant; |
| import org.aspectj.org.eclipse.jdt.core.util.IConstantPoolEntry; |
| import org.aspectj.org.eclipse.jdt.core.util.IVerificationTypeInfo; |
| |
| public class VerificationInfo extends ClassFileStruct implements IVerificationTypeInfo { |
| |
| private int tag; |
| private int offset; |
| private int constantPoolIndex; |
| private char[] classTypeName; |
| private int readOffset; |
| |
| public VerificationInfo( |
| byte[] classFileBytes, |
| IConstantPool constantPool, |
| int offset) throws ClassFormatException { |
| final int t = u1At(classFileBytes, 0, offset); |
| this.tag = t; |
| this.readOffset = 1; |
| switch(t) { |
| case IVerificationTypeInfo.ITEM_OBJECT : |
| final int constantIndex = u2At(classFileBytes, 1, offset); |
| this.constantPoolIndex = constantIndex; |
| if (constantIndex != 0) { |
| IConstantPoolEntry constantPoolEntry = constantPool.decodeEntry(constantIndex); |
| if (constantPoolEntry.getKind() != IConstantPoolConstant.CONSTANT_Class) { |
| throw new ClassFormatException(ClassFormatException.INVALID_CONSTANT_POOL_ENTRY); |
| } |
| this.classTypeName = constantPoolEntry.getClassInfoName(); |
| } |
| this.readOffset += 2; |
| break; |
| case IVerificationTypeInfo.ITEM_UNINITIALIZED : |
| this.offset = u2At(classFileBytes, 1, offset); |
| this.readOffset += 2; |
| } |
| } |
| |
| @Override |
| public int getTag() { |
| return this.tag; |
| } |
| |
| @Override |
| public int getOffset() { |
| return this.offset; |
| } |
| |
| @Override |
| public int getConstantPoolIndex() { |
| return this.constantPoolIndex; |
| } |
| |
| @Override |
| public char[] getClassTypeName() { |
| return this.classTypeName; |
| } |
| |
| public int sizeInBytes() { |
| return this.readOffset; |
| } |
| } |