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comparison truffle/com.oracle.truffle.api/src/com/oracle/truffle/api/utilities/UnionAssumption.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/src/com/oracle/truffle/api/utilities/UnionAssumption.java@f28ea693056f
children dc83cc1f94f2
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21950:2a5011c7e641 21951:9c8c0937da41
1 /*
2 * Copyright (c) 2013, 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.utilities;
26
27 import com.oracle.truffle.api.*;
28 import com.oracle.truffle.api.nodes.*;
29
30 /**
31 * An assumption that combines two other assumptions. A check on this assumption checks both of the
32 * child assumptions.
33 */
34 public class UnionAssumption implements Assumption {
35
36 private final String name;
37 private final Assumption first;
38 private final Assumption second;
39
40 public UnionAssumption(String name, Assumption first, Assumption second) {
41 this.name = name;
42 this.first = first;
43 this.second = second;
44 }
45
46 public UnionAssumption(Assumption first, Assumption second) {
47 this(null, first, second);
48 }
49
50 @Override
51 public void check() throws InvalidAssumptionException {
52 first.check();
53 second.check();
54 }
55
56 @Override
57 public void invalidate() {
58 first.invalidate();
59 second.invalidate();
60 }
61
62 @Override
63 public String getName() {
64 return name;
65 }
66
67 @Override
68 public boolean isValid() {
69 return first.isValid() && second.isValid();
70 }
71
72 }