| author | lagergren |
| Wed, 23 Apr 2014 17:37:41 +0200 | |
| changeset 24745 | 3a6e1477362b |
| parent 24744 | 5290da85fc3d |
| child 24778 | 2ff5d7041566 |
| permissions | -rw-r--r-- |
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/* |
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* Copyright (c) 2010, 2014, 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.events; |
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import java.util.logging.Level; |
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import jdk.nashorn.internal.runtime.Context; |
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import jdk.nashorn.internal.runtime.RecompilableScriptFunctionData; |
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import jdk.nashorn.internal.runtime.RewriteException; |
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/** |
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* Subclass of runtime event for {@link RewriteException}. In order not
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* to leak memory, RewriteExceptions get their return value destroyed |
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* and nulled out during recompilation. If we are running with event |
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* logging enabled, we need to retain the returnValue, hence the extra |
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* field |
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*/ |
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public final class RecompilationEvent extends RuntimeEvent<RewriteException> {
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private final Object returnValue; |
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/** |
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* Constructor |
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* |
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* @param level logging level |
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* @param rewriteException rewriteException wrapped by this RuntimEvent |
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* @param returnValue rewriteException return value - as we don't want to make |
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* {@link RewriteException#getReturnValueNonDestructive()} public, we pass it as
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* an extra parameter, rather than querying the getter from another package. |
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*/ |
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@SuppressWarnings("javadoc")
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public RecompilationEvent(final Level level, final RewriteException rewriteException, final Object returnValue) {
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super(level, rewriteException); |
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assert Context.getContext().getLogger(RecompilableScriptFunctionData.class).isEnabled() : |
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"Unit test/instrumentation purpose only: RecompilationEvent instances should not be created without '--log=recompile', or we will leak memory in the general case"; |
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this.returnValue = returnValue; |
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} |
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/** |
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* Get the preserved return value for the RewriteException |
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* @return return value |
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*/ |
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public Object getReturnValue() {
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return returnValue; |
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} |
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} |