Mercurial > hg > shenandoah-preopenjdk-archive > openjdk8 > nashorn
view src/jdk/nashorn/internal/runtime/events/RecompilationEvent.java @ 1083:d0b26e6f602c
8057825: Bug in apply specialization - if an apply specialization that is available doesn't fit, a new one wouldn't be installed, if the new code generated as a specialization didn't manage to do the apply specialization. Basically changing a conditional to an unconditional.
Reviewed-by: attila, hannesw
author | lagergren |
---|---|
date | Wed, 05 Nov 2014 12:34:06 +0100 |
parents | e1e27c4262be |
children |
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/* * Copyright (c) 2010, 2014, 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.events; import java.util.logging.Level; import jdk.nashorn.internal.runtime.Context; import jdk.nashorn.internal.runtime.RecompilableScriptFunctionData; import jdk.nashorn.internal.runtime.RewriteException; /** * Subclass of runtime event for {@link RewriteException}. In order not * to leak memory, RewriteExceptions get their return value destroyed * and nulled out during recompilation. If we are running with event * logging enabled, we need to retain the returnValue, hence the extra * field */ public final class RecompilationEvent extends RuntimeEvent<RewriteException> { private final Object returnValue; /** * Constructor * * @param level logging level * @param rewriteException rewriteException wrapped by this RuntimEvent * @param returnValue rewriteException return value - as we don't want to make * {@code RewriteException.getReturnValueNonDestructive()} public, we pass it as * an extra parameter, rather than querying the getter from another package. */ public RecompilationEvent(final Level level, final RewriteException rewriteException, final Object returnValue) { super(level, rewriteException); assert Context.getContext().getLogger(RecompilableScriptFunctionData.class).isEnabled() : "Unit test/instrumentation purpose only: RecompilationEvent instances should not be created without '--log=recompile', or we will leak memory in the general case"; this.returnValue = returnValue; } /** * Get the preserved return value for the RewriteException * @return return value */ public Object getReturnValue() { return returnValue; } }