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comparison truffle/com.oracle.truffle.api.object/src/com/oracle/truffle/api/object/ObjectType.java @ 21951:9c8c0937da41

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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
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21950:2a5011c7e641 21951:9c8c0937da41
1 /*
2 * Copyright (c) 2013, 2014, Oracle and/or its affiliates. All rights reserved.
3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
4 *
5 * This code is free software; you can redistribute it and/or modify it
6 * under the terms of the GNU General Public License version 2 only, as
7 * published by the Free Software Foundation. Oracle designates this
8 * particular file as subject to the "Classpath" exception as provided
9 * by Oracle in the LICENSE file that accompanied this code.
10 *
11 * This code is distributed in the hope that it will be useful, but WITHOUT
12 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
13 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
14 * version 2 for more details (a copy is included in the LICENSE file that
15 * accompanied this code).
16 *
17 * You should have received a copy of the GNU General Public License version
18 * 2 along with this work; if not, write to the Free Software Foundation,
19 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
20 *
21 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
22 * or visit www.oracle.com if you need additional information or have any
23 * questions.
24 */
25 package com.oracle.truffle.api.object;
26
27 import com.oracle.truffle.api.interop.Message;
28 import com.oracle.truffle.api.*;
29 import com.oracle.truffle.api.CompilerDirectives.TruffleBoundary;
30 import com.oracle.truffle.api.interop.*;
31
32 public class ObjectType {
33 /**
34 * Delegate method for {@link DynamicObject#equals(Object)}.
35 */
36 public boolean equals(DynamicObject object, Object other) {
37 return object == other;
38 }
39
40 /**
41 * Delegate method for {@link DynamicObject#hashCode()}.
42 */
43 public int hashCode(DynamicObject object) {
44 return System.identityHashCode(object);
45 }
46
47 /**
48 * Delegate method for {@link DynamicObject#toString()}.
49 */
50 @TruffleBoundary
51 public String toString(DynamicObject object) {
52 return "DynamicObject<" + this.toString() + ">@" + Integer.toHexString(hashCode(object));
53 }
54
55 /**
56 * Creates a data object to be associated with a newly created shape.
57 *
58 * @param shape the shape for which to create the data object
59 */
60 public Object createShapeData(Shape shape) {
61 return null;
62 }
63
64 public ForeignAccess getForeignAccessFactory() {
65 return ForeignAccess.create(new com.oracle.truffle.api.interop.ForeignAccess.Factory() {
66
67 public boolean canHandle(TruffleObject obj) {
68 throw new IllegalArgumentException(this.toString() + " cannot be shared");
69 }
70
71 public CallTarget accessMessage(Message tree) {
72 throw new IllegalArgumentException(this.toString() + " cannot be shared; Message not possible: " + tree.toString());
73 }
74 });
75 }
76 }