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view graal/com.oracle.max.cri/src/com/sun/cri/ci/CiExceptionHandler.java @ 4149:cf4de9cc1268
Integrated latest mxtool updates.
author | Doug Simon <doug.simon@oracle.com> |
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date | Tue, 20 Dec 2011 10:36:44 +0100 |
parents | e233f5660da4 |
children |
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/* * Copyright (c) 2009, 2011, Oracle and/or its affiliates. All rights reserved. * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. * * This code is free software; you can redistribute it and/or modify it * under the terms of the GNU General Public License version 2 only, as * published by the Free Software Foundation. * * This code 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 * version 2 for more details (a copy is included in the LICENSE file that * accompanied this code). * * You should have received a copy of the GNU General Public License version * 2 along with this work; if not, write to the Free Software Foundation, * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. * * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA * or visit www.oracle.com if you need additional information or have any * questions. */ package com.sun.cri.ci; import com.sun.cri.ri.*; /** * An implementation of the {@link RiExceptionHandler} interface. */ public class CiExceptionHandler implements RiExceptionHandler { public static final CiExceptionHandler[] NONE = {}; public final int startBCI; public final int endBCI; public final int handlerBCI; public final int catchTypeCPI; public final RiType catchType; /** * Creates a new exception handler with the specified ranges. * @param startBCI the start index of the protected range * @param endBCI the end index of the protected range * @param catchBCI the index of the handler * @param catchTypeCPI the index of the throwable class in the constant pool * @param catchType the type caught by this exception handler */ public CiExceptionHandler(int startBCI, int endBCI, int catchBCI, int catchTypeCPI, RiType catchType) { this.startBCI = startBCI; this.endBCI = endBCI; this.handlerBCI = catchBCI; this.catchTypeCPI = catchTypeCPI; this.catchType = catchType; } public int startBCI() { return startBCI; } public int endBCI() { return endBCI; } public int handlerBCI() { return handlerBCI; } public int catchTypeCPI() { return catchTypeCPI; } public boolean isCatchAll() { return catchTypeCPI == 0; } public RiType catchType() { return catchType; } @Override public String toString() { return new StringBuilder(20). append('['). append(startBCI). append(" - "). append(endBCI). append(") -> "). append(handlerBCI). append(" type="). append(catchType == null ? "*any*" : catchType.name()). toString(); } }