0N/A/*
2362N/A * Copyright (c) 1998, 1999, Oracle and/or its affiliates. All rights reserved.
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2362N/A * published by the Free Software Foundation. Oracle designates this
0N/A * particular file as subject to the "Classpath" exception as provided
2362N/A * by Oracle in the LICENSE file that accompanied this code.
0N/A *
0N/A * This code is distributed in the hope that it will be useful, but WITHOUT
0N/A * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
0N/A * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
0N/A * version 2 for more details (a copy is included in the LICENSE file that
0N/A * accompanied this code).
0N/A *
0N/A * You should have received a copy of the GNU General Public License version
0N/A * 2 along with this work; if not, write to the Free Software Foundation,
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0N/A *
2362N/A * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
2362N/A * or visit www.oracle.com if you need additional information or have any
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0N/A */
0N/A
0N/Apackage com.sun.jdi.event;
0N/A
0N/Aimport com.sun.jdi.*;
0N/A
0N/A/**
0N/A * Notification of an exception in the target VM. When an exception
0N/A * is thrown which satisfies a currently enabled
0N/A * {@link com.sun.jdi.request.ExceptionRequest exception request},
0N/A * an {@link EventSet event set}
0N/A * containing an instance of this class will be added
0N/A * to the VM's event queue.
0N/A * If the exception is thrown from a non-native method,
0N/A * the exception event is generated at the location where the
0N/A * exception is thrown.
0N/A * If the exception is thrown from a native method, the exception event
0N/A * is generated at the first non-native location reached after the exception
0N/A * is thrown.
0N/A *
0N/A * @author Robert Field
0N/A * @since 1.3
0N/A */
0N/Apublic interface ExceptionEvent extends LocatableEvent {
0N/A
0N/A /**
0N/A * Gets the thrown exception object. The exception object is
0N/A * an instance of {@link java.lang.Throwable} or a subclass in the
0N/A * target VM.
0N/A *
0N/A * @return an {@link ObjectReference} which mirrors the thrown object in
0N/A * the target VM.
0N/A */
0N/A public ObjectReference exception();
0N/A
0N/A /**
0N/A * Gets the location where the exception will be caught. An exception
0N/A * is considered to be caught if, at the point of the throw, the
0N/A * current location is dynamically enclosed in a try statement that
0N/A * handles the exception. (See the JVM specification for details).
0N/A * If there is such a try statement, the catch location is the
0N/A * first code index of the appropriate catch clause.
0N/A * <p>
0N/A * If there are native methods in the call stack at the time of the
0N/A * exception, there are important restrictions to note about the
0N/A * returned catch location. In such cases,
0N/A * it is not possible to predict whether an exception will be handled
0N/A * by some native method on the call stack.
0N/A * Thus, it is possible that exceptions considered uncaught
0N/A * here will, in fact, be handled by a native method and not cause
0N/A * termination of the target VM. Furthermore, it cannot be assumed that the
0N/A * catch location returned here will ever be reached by the throwing
0N/A * thread. If there is
0N/A * a native frame between the current location and the catch location,
0N/A * the exception might be handled and cleared in that native method
0N/A * instead.
0N/A * <p>
0N/A * Note that the compiler can generate try-catch blocks in some cases
0N/A * where they are not explicit in the source code; for example,
0N/A * the code generated for <code>synchronized</code> and
0N/A * <code>finally</code> blocks can contain implicit try-catch blocks.
0N/A * If such an implicitly generated try-catch is
0N/A * present on the call stack at the time of the throw, the exception
0N/A * will be considered caught even though it appears to be uncaught from
0N/A * examination of the source code.
0N/A *
0N/A * @return the {@link Location} where the exception will be caught or null if
0N/A * the exception is uncaught.
0N/A */
0N/A public Location catchLocation();
0N/A}