Mercurial > hg > graal-compiler
comparison graal/com.oracle.truffle.sl/src/com/oracle/truffle/sl/nodes/TernaryNode.java @ 7794:b891ec348f8a
Made the usage of generic types more flexible for short circuits and generic specializations.
author | Christian Humer <christian.humer@gmail.com> |
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date | Fri, 15 Feb 2013 19:32:58 +0100 |
parents | |
children | 0110e781b6fa |
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7793:8b48c8ebdff4 | 7794:b891ec348f8a |
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1 /* | |
2 * Copyright (c) 2012, 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.sl.nodes; | |
24 | |
25 import java.math.*; | |
26 | |
27 import com.oracle.truffle.api.codegen.*; | |
28 | |
29 @SuppressWarnings("unused") | |
30 @ExecuteChildren({"conditionNode", "ifPartNode", "elsePartNode"}) | |
31 public abstract class TernaryNode extends TypedNode { | |
32 | |
33 @Child protected ConditionNode conditionNode; | |
34 | |
35 @Child protected TypedNode ifPartNode; | |
36 | |
37 @Child protected TypedNode elsePartNode; | |
38 | |
39 public TernaryNode(ConditionNode condition, TypedNode ifPart, TypedNode elsePart) { | |
40 this.conditionNode = adoptChild(condition); | |
41 this.ifPartNode = adoptChild(ifPart); | |
42 this.elsePartNode = adoptChild(elsePart); | |
43 } | |
44 | |
45 public TernaryNode(TernaryNode condition) { | |
46 this(condition.conditionNode, condition.ifPartNode, condition.elsePartNode); | |
47 } | |
48 | |
49 @ShortCircuit("ifPartNode") | |
50 public boolean needsIfPart(boolean condition) { | |
51 return condition; | |
52 } | |
53 | |
54 @ShortCircuit("elsePartNode") | |
55 public boolean needsElsePart(boolean condition, boolean hasIfPart, Object ifPart) { | |
56 return !hasIfPart; | |
57 } | |
58 | |
59 @Specialization | |
60 public int doInteger(boolean condition, boolean hasIfPart, int ifPart, boolean hasElsePart, int elsePart) { | |
61 return hasIfPart ? ifPart : elsePart; | |
62 } | |
63 | |
64 @Specialization | |
65 public BigInteger doBigInteger(boolean condition, boolean hasIfPart, BigInteger ifPart, boolean hasElsePart, BigInteger elsePart) { | |
66 return hasIfPart ? ifPart : elsePart; | |
67 } | |
68 | |
69 @Generic | |
70 public Object doGeneric(boolean condition, boolean hasIfPart, Object ifPart, boolean hasElsePart, Object elsePart) { | |
71 return hasIfPart ? ifPart : elsePart; | |
72 } | |
73 } |