Mercurial > hg > graal-compiler
view graal/com.oracle.truffle.api/src/com/oracle/truffle/api/nodes/UnexpectedResultException.java @ 7274:19f5c9b96fa7
Merge.
author | Doug Simon <doug.simon@oracle.com> |
---|---|
date | Tue, 18 Dec 2012 17:59:32 +0100 |
parents | a4b84ba6dc2e |
children | 5e3d1a68664e |
line wrap: on
line source
/* * Copyright (c) 2012, 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.oracle.truffle.api.nodes; /** * An exception that should be thrown if the return value cannot be represented as a value of the return type. The * Truffle optimizer has special knowledge of this exception class and will never compile a catch block that catches this * exception type. */ public final class UnexpectedResultException extends SlowPathException { private static final long serialVersionUID = 3676602078425211386L; private final Object result; /** * Creates the exception with the alternative result that cannot be respresented as a value of the return type. * @param result the alternative result */ public UnexpectedResultException(Object result) { super(null, null); assert !(result instanceof Throwable); this.result = result; } /** * @return the unexpected result */ public Object getResult() { return result; } /** * For performance reasons, this exception does not record any stack trace information. */ @Override public synchronized Throwable fillInStackTrace() { return null; } }