Mercurial > hg > graal-jvmci-8
comparison graal/com.oracle.truffle.sl/src/com/oracle/truffle/sl/nodes/ConditionalNode.java @ 7503:31da1716950f
Updated truffle-sl for the changed operation code generation.
author | Christian Humer <christian.humer@gmail.com> |
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date | Fri, 18 Jan 2013 13:29:14 +0100 |
parents | |
children | 5e3d1a68664e |
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7502:6343a09b2ec1 | 7503:31da1716950f |
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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 ConditionalNode extends TypedNode { | |
32 | |
33 @Child | |
34 protected ConditionNode conditionNode; | |
35 | |
36 @Child | |
37 protected TypedNode ifPartNode; | |
38 | |
39 @Child | |
40 protected TypedNode elsePartNode; | |
41 | |
42 public ConditionalNode(ConditionNode condition, TypedNode ifPart, TypedNode elsePart) { | |
43 this.conditionNode = adoptChild(condition); | |
44 this.ifPartNode = adoptChild(ifPart); | |
45 this.elsePartNode = adoptChild(elsePart); | |
46 } | |
47 | |
48 public ConditionalNode(ConditionalNode condition) { | |
49 this(condition.conditionNode, condition.ifPartNode, condition.elsePartNode); | |
50 } | |
51 | |
52 @ShortCircuit("ifPartNode") | |
53 public boolean needsIfPart(boolean condition) { | |
54 return condition; | |
55 } | |
56 | |
57 @ShortCircuit("ifPartNode") | |
58 public boolean needsIfPart(Object condition) { | |
59 throw new RuntimeException("operation not defined for type " + condition.getClass().getSimpleName()); | |
60 } | |
61 | |
62 @ShortCircuit("elsePartNode") | |
63 public boolean needsElsePart(Object condition, boolean hasIfPart, Object ifPart) { | |
64 return !hasIfPart; | |
65 } | |
66 | |
67 @ShortCircuit("elsePartNode") | |
68 public boolean needsElsePart(boolean condition, boolean hasIfPart, int ifPart) { | |
69 return !hasIfPart; | |
70 } | |
71 | |
72 @ShortCircuit("elsePartNode") | |
73 public boolean needsElsePart(boolean condition, boolean hasIfPart, BigInteger ifPart) { | |
74 return !hasIfPart; | |
75 } | |
76 | |
77 @Specialization | |
78 public int doInteger(boolean condition, boolean hasIfPart, int ifPart, boolean hasElsePart, int elsePart) { | |
79 return hasIfPart ? ifPart : elsePart; | |
80 } | |
81 | |
82 @Specialization | |
83 public BigInteger doBigInteger(boolean condition, boolean hasIfPart, BigInteger ifPart, boolean hasElsePart, BigInteger elsePart) { | |
84 return hasIfPart ? ifPart : elsePart; | |
85 } | |
86 | |
87 @Generic | |
88 public Object doGeneric(boolean condition, boolean hasIfPart, Object ifPart, boolean hasElsePart, Object elsePart) { | |
89 return hasIfPart ? ifPart : elsePart; | |
90 } | |
91 } |