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comparison graal/com.oracle.truffle.api/src/com/oracle/truffle/api/frame/FrameSlotImpl.java @ 9258:07f8d136a05e

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Truffle API changes for the Frame API. Introduction of Assumptions class.
author Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
date Tue, 23 Apr 2013 15:34:06 +0200
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children cd1a1d92b3e3
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9257:542712a4732a 9258:07f8d136a05e
1 /*
2 * Copyright (c) 2012, 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.
8 *
9 * This code is distributed in the hope that it will be useful, but WITHOUT
10 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
11 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
12 * version 2 for more details (a copy is included in the LICENSE file that
13 * accompanied this code).
14 *
15 * You should have received a copy of the GNU General Public License version
16 * 2 along with this work; if not, write to the Free Software Foundation,
17 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
18 *
19 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
20 * or visit www.oracle.com if you need additional information or have any
21 * questions.
22 */
23 package com.oracle.truffle.api.frame;
24
25 public final class FrameSlotImpl implements FrameSlot {
26
27 private final FrameDescriptor descriptor;
28 private final Object identifier;
29 private final int index;
30 private Class<?> type;
31
32 protected FrameSlotImpl(FrameDescriptor descriptor, Object identifier, int index, Class<?> type) {
33 this.descriptor = descriptor;
34 this.identifier = identifier;
35 this.index = index;
36 this.type = type;
37 }
38
39 public Object getIdentifier() {
40 return identifier;
41 }
42
43 public int getIndex() {
44 return index;
45 }
46
47 public Class<?> getType() {
48 return type;
49 }
50
51 public void setType(final Class<?> type) {
52 assert this.type != type;
53 this.type = type;
54 this.descriptor.updateVersion();
55 }
56
57 @Override
58 public String toString() {
59 return "[" + index + "," + identifier + "," + type + "]";
60 }
61
62 @Override
63 public FrameDescriptor getFrameDescriptor() {
64 return this.descriptor;
65 }
66 }