Mercurial > hg > graal-compiler
view graal/com.oracle.truffle.api.object/src/com/oracle/truffle/api/object/ObjectType.java @ 20908:f166d264af9f
Truflfe/Instrumentaion: migrate client-oriented notes on Probes to a newly written documentation page at https://wiki.openjdk.java.net/display/Graal/Finding+Probes. Replace Probe's Javadoc with implementation notes oriented to implementors.
author | Michael Van De Vanter <michael.van.de.vanter@oracle.com> |
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date | Mon, 13 Apr 2015 15:00:57 -0700 |
parents | d6dba4c723c0 |
children | c76742cc2c6f |
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/* * Copyright (c) 2013, 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 com.oracle.truffle.api.object; import com.oracle.truffle.api.*; import com.oracle.truffle.api.CompilerDirectives.TruffleBoundary; import com.oracle.truffle.api.interop.*; import com.oracle.truffle.api.interop.exception.*; import com.oracle.truffle.api.interop.messages.*; public class ObjectType { /** * Delegate method for {@link DynamicObject#equals(Object)}. */ public boolean equals(DynamicObject object, Object other) { return object == other; } /** * Delegate method for {@link DynamicObject#hashCode()}. */ public int hashCode(DynamicObject object) { return System.identityHashCode(object); } /** * Delegate method for {@link DynamicObject#toString()}. */ @TruffleBoundary public String toString(DynamicObject object) { return "DynamicObject<" + this.toString() + ">@" + Integer.toHexString(hashCode(object)); } /** * Creates a data object to be associated with a newly created shape. * * @param shape the shape for which to create the data object */ public Object createShapeData(Shape shape) { return null; } /** * Called when a new property is added to a shape. * * @param property the added property * @param shapeBefore shape before the property was added * @param shapeAfter shape after the property was added */ public void onPropertyAdded(Property property, Shape shapeBefore, Shape shapeAfter) { } public ForeignAccessFactory getForeignAccessFactory() { return new ForeignAccessFactory() { public InteropPredicate getLanguageCheck() { throw new UnsupportedMessageException(this.toString() + " cannot be shared"); } public CallTarget getAccess(Message tree) { throw new UnsupportedMessageException(this.toString() + " cannot be shared; Message not possible: " + tree.toString()); } }; } }