org.eclipse.jdt.internal.core.util.ExceptionTableEntry Maven / Gradle / Ivy
/*******************************************************************************
* Copyright (c) 2000, 2009 IBM Corporation and others.
* All rights reserved. This program and the accompanying materials
* are made available under the terms of the Eclipse Public License v1.0
* which accompanies this distribution, and is available at
* http://www.eclipse.org/legal/epl-v10.html
*
* 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()
*/
public int getStartPC() {
return this.startPC;
}
/**
* @see IExceptionTableEntry#getEndPC()
*/
public int getEndPC() {
return this.endPC;
}
/**
* @see IExceptionTableEntry#getHandlerPC()
*/
public int getHandlerPC() {
return this.handlerPC;
}
/**
* @see IExceptionTableEntry#getCatchTypeIndex()
*/
public int getCatchTypeIndex() {
return this.catchTypeIndex;
}
/**
* @see IExceptionTableEntry#getCatchType()
*/
public char[] getCatchType() {
return this.catchType;
}
}