author | attila |
Mon, 12 Jan 2015 11:29:42 +0100 | |
changeset 28319 | 95bed8b1847f |
parent 25865 | d38d876f1654 |
child 35330 | 7cc832bade3c |
permissions | -rw-r--r-- |
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/* |
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* Copyright (c) 2010, 2013, Oracle and/or its affiliates. All rights reserved. |
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* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. |
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* |
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* This code is free software; you can redistribute it and/or modify it |
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* under the terms of the GNU General Public License version 2 only, as |
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* published by the Free Software Foundation. Oracle designates this |
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* particular file as subject to the "Classpath" exception as provided |
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* by Oracle in the LICENSE file that accompanied this code. |
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* |
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* This code is distributed in the hope that it will be useful, but WITHOUT |
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* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or |
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* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License |
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* version 2 for more details (a copy is included in the LICENSE file that |
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* accompanied this code). |
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* |
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* You should have received a copy of the GNU General Public License version |
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* 2 along with this work; if not, write to the Free Software Foundation, |
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* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. |
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* |
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* Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA |
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* or visit www.oracle.com if you need additional information or have any |
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* questions. |
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*/ |
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package jdk.nashorn.internal.runtime.linker; |
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import jdk.nashorn.internal.runtime.ECMAErrors; |
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import jdk.nashorn.internal.runtime.ECMAException; |
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/** |
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* A result of generating an adapter for a class. A tuple of an outcome and - in case of an error outcome - a list of |
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* classes that caused the error. |
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*/ |
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final class AdaptationResult { |
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/** |
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* Contains various outcomes for attempting to generate an adapter class. These are stored in AdapterInfo instances. |
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* We have a successful outcome (adapter class was generated) and four possible error outcomes: superclass is final, |
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* superclass is not public, superclass has no public or protected constructor, more than one superclass was |
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* specified. We don't throw exceptions when we try to generate the adapter, but rather just record these error |
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* conditions as they are still useful as partial outcomes, as Nashorn's linker can still successfully check whether |
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* the class can be autoconverted from a script function even when it is not possible to generate an adapter for it. |
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*/ |
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enum Outcome { |
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SUCCESS, |
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ERROR_FINAL_CLASS, |
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ERROR_NON_PUBLIC_CLASS, |
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ERROR_NO_ACCESSIBLE_CONSTRUCTOR, |
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ERROR_MULTIPLE_SUPERCLASSES, |
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ERROR_NO_COMMON_LOADER, |
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ERROR_FINAL_FINALIZER, |
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ERROR_OTHER |
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} |
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static final AdaptationResult SUCCESSFUL_RESULT = new AdaptationResult(Outcome.SUCCESS, ""); |
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private final Outcome outcome; |
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private final String[] messageArgs; |
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AdaptationResult(final Outcome outcome, final String... messageArgs) { |
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this.outcome = outcome; |
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this.messageArgs = messageArgs; |
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} |
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Outcome getOutcome() { |
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return outcome; |
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} |
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ECMAException typeError() { |
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return ECMAErrors.typeError("extend." + outcome, messageArgs); |
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} |
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} |