Mercurial > hg > openjdk > jdk8 > nashorn
view src/jdk/nashorn/internal/runtime/linker/AdaptationResult.java @ 719:11b83c913cca
8032681: Issues with Nashorn
Reviewed-by: ahgross, jlaskey, sundar
author | attila |
---|---|
date | Thu, 30 Jan 2014 20:14:29 +0100 |
parents | fbd21b00197b |
children |
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/* * Copyright (c) 2010, 2013, 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. Oracle designates this * particular file as subject to the "Classpath" exception as provided * by Oracle in the LICENSE file that accompanied this code. * * 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 jdk.nashorn.internal.runtime.linker; import jdk.nashorn.internal.runtime.ECMAErrors; import jdk.nashorn.internal.runtime.ECMAException; /** * A result of generating an adapter for a class. A tuple of an outcome and - in case of an error outcome - a list of * classes that caused the error. */ final class AdaptationResult { /** * Contains various outcomes for attempting to generate an adapter class. These are stored in AdapterInfo instances. * We have a successful outcome (adapter class was generated) and four possible error outcomes: superclass is final, * superclass is not public, superclass has no public or protected constructor, more than one superclass was * specified. We don't throw exceptions when we try to generate the adapter, but rather just record these error * conditions as they are still useful as partial outcomes, as Nashorn's linker can still successfully check whether * the class can be autoconverted from a script function even when it is not possible to generate an adapter for it. */ enum Outcome { SUCCESS, ERROR_FINAL_CLASS, ERROR_NON_PUBLIC_CLASS, ERROR_NO_ACCESSIBLE_CONSTRUCTOR, ERROR_MULTIPLE_SUPERCLASSES, ERROR_NO_COMMON_LOADER, ERROR_FINAL_FINALIZER } static final AdaptationResult SUCCESSFUL_RESULT = new AdaptationResult(Outcome.SUCCESS, ""); private final Outcome outcome; private final String classList; AdaptationResult(final Outcome outcome, final String classList) { this.outcome = outcome; this.classList = classList; } Outcome getOutcome() { return outcome; } String getClassList() { return classList; } ECMAException typeError() { return ECMAErrors.typeError("extend." + outcome, classList); } }