Mercurial > hg > truffle
diff truffle/com.oracle.truffle.api.object/src/com/oracle/truffle/api/object/ObjectType.java @ 21951:9c8c0937da41
Moving all sources into truffle subdirectory
author | Jaroslav Tulach <jaroslav.tulach@oracle.com> |
---|---|
date | Wed, 17 Jun 2015 10:58:08 +0200 |
parents | graal/com.oracle.truffle.api.object/src/com/oracle/truffle/api/object/ObjectType.java@cb051c368c80 |
children | dc83cc1f94f2 |
line wrap: on
line diff
--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/truffle/com.oracle.truffle.api.object/src/com/oracle/truffle/api/object/ObjectType.java Wed Jun 17 10:58:08 2015 +0200 @@ -0,0 +1,76 @@ +/* + * 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.interop.Message; +import com.oracle.truffle.api.*; +import com.oracle.truffle.api.CompilerDirectives.TruffleBoundary; +import com.oracle.truffle.api.interop.*; + +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; + } + + public ForeignAccess getForeignAccessFactory() { + return ForeignAccess.create(new com.oracle.truffle.api.interop.ForeignAccess.Factory() { + + public boolean canHandle(TruffleObject obj) { + throw new IllegalArgumentException(this.toString() + " cannot be shared"); + } + + public CallTarget accessMessage(Message tree) { + throw new IllegalArgumentException(this.toString() + " cannot be shared; Message not possible: " + tree.toString()); + } + }); + } +}