| /******************************************************************************* |
| * Copyright (c) 2000, 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.eclipse.jdt.internal.core.util; |
| |
| import org.eclipse.jdt.core.util.ClassFormatException; |
| import org.eclipse.jdt.core.util.IConstantPool; |
| import org.eclipse.jdt.core.util.IConstantPoolConstant; |
| import org.eclipse.jdt.core.util.IConstantPoolEntry; |
| import org.eclipse.jdt.core.util.IExceptionTableEntry; |
| |
| /** |
| * This class describes an entry in the exception table attribute according |
| * to the JVM specifications. |
| */ |
| public class ExceptionTableEntry |
| extends ClassFileStruct |
| implements IExceptionTableEntry { |
| |
| private int startPC; |
| private int endPC; |
| private int handlerPC; |
| private int catchTypeIndex; |
| private char[] catchType; |
| |
| ExceptionTableEntry(byte[] classFileBytes, IConstantPool constantPool, int offset) throws ClassFormatException { |
| this.startPC = u2At(classFileBytes, 0, offset); |
| this.endPC = u2At(classFileBytes, 2, offset); |
| this.handlerPC = u2At(classFileBytes, 4, offset); |
| this.catchTypeIndex = u2At(classFileBytes, 6, offset); |
| if (this.catchTypeIndex != 0) { |
| IConstantPoolEntry constantPoolEntry = constantPool.decodeEntry(this.catchTypeIndex); |
| if (constantPoolEntry.getKind() != IConstantPoolConstant.CONSTANT_Class) { |
| throw new ClassFormatException(ClassFormatException.INVALID_CONSTANT_POOL_ENTRY); |
| } |
| this.catchType = constantPoolEntry.getClassInfoName(); |
| } |
| } |
| /** |
| * @see IExceptionTableEntry#getStartPC() |
| */ |
| @Override |
| public int getStartPC() { |
| return this.startPC; |
| } |
| |
| /** |
| * @see IExceptionTableEntry#getEndPC() |
| */ |
| @Override |
| public int getEndPC() { |
| return this.endPC; |
| } |
| |
| /** |
| * @see IExceptionTableEntry#getHandlerPC() |
| */ |
| @Override |
| public int getHandlerPC() { |
| return this.handlerPC; |
| } |
| |
| /** |
| * @see IExceptionTableEntry#getCatchTypeIndex() |
| */ |
| @Override |
| public int getCatchTypeIndex() { |
| return this.catchTypeIndex; |
| } |
| |
| /** |
| * @see IExceptionTableEntry#getCatchType() |
| */ |
| @Override |
| public char[] getCatchType() { |
| return this.catchType; |
| } |
| |
| } |