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comparison graal/com.oracle.truffle.sl/src/com/oracle/truffle/sl/nodes/LessThanNode.java @ 7503:31da1716950f

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Updated truffle-sl for the changed operation code generation.
author Christian Humer <christian.humer@gmail.com>
date Fri, 18 Jan 2013 13:29:14 +0100
parents
children 33e08aca06ff
comparison
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7502:6343a09b2ec1 7503:31da1716950f
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 public abstract class LessThanNode extends BinaryNode {
30
31 public LessThanNode(TypedNode left, TypedNode right) {
32 super(left, right);
33 }
34
35 public LessThanNode(LessThanNode node) {
36 this(node.leftNode, node.rightNode);
37 }
38
39 @Specialization
40 public boolean doInteger(int left, int right) {
41 return left < right;
42 }
43
44 @Specialization
45 public boolean doBigInteger(BigInteger left, BigInteger right) {
46 return left.compareTo(right) < 0;
47 }
48
49 @Specialization
50 @SpecializationGuard(methodName = "isString")
51 public boolean doString(Object left, Object right) {
52 return left.toString().compareTo(right.toString()) < 0;
53 }
54
55 @Generic
56 public boolean doGeneric(Object left, Object right) {
57 throw new RuntimeException("comparison not defined for types " + left.getClass().getSimpleName() + ", " + right.getClass().getSimpleName());
58 }
59 }