Mercurial > hg > truffle

annotate truffle/com.oracle.truffle.sl/src/com/oracle/truffle/sl/nodes/expression/demo/SLAddWithoutSpecializationNode.java @ 22157:dc83cc1f94f2

Find changesets by keywords (author, files, the commit message), revision number or hash, or revset expression.
Using fully qualified imports
author Jaroslav Tulach <jaroslav.tulach@oracle.com>
date Wed, 16 Sep 2015 11:33:22 +0200
parents 503529c65456
children
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
rev   line source
13887
f3e4f746e9c6 Fix gate errors
Christian Wimmer <christian.wimmer@oracle.com>
parents: 13883
diff changeset
1 /*
21997
c07e64ecb528 Update SL copyright headers to use UPL
Gilles Duboscq <gilles.m.duboscq@oracle.com>
parents: 21951
diff changeset
2 * Copyright (c) 2012, 2014, Oracle and/or its affiliates. All rights reserved.
13887
f3e4f746e9c6 Fix gate errors
Christian Wimmer <christian.wimmer@oracle.com>
parents: 13883
diff changeset
3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
f3e4f746e9c6 Fix gate errors
Christian Wimmer <christian.wimmer@oracle.com>
parents: 13883
diff changeset
4 *
21997
c07e64ecb528 Update SL copyright headers to use UPL
Gilles Duboscq <gilles.m.duboscq@oracle.com>
parents: 21951
diff changeset
5 * The Universal Permissive License (UPL), Version 1.0
22065
503529c65456 Remove trailing whitespace from UPL license
Tom Rodriguez <tom.rodriguez@oracle.com>
parents: 21997
diff changeset
6 *
21997
c07e64ecb528 Update SL copyright headers to use UPL
Gilles Duboscq <gilles.m.duboscq@oracle.com>
parents: 21951
diff changeset
7 * Subject to the condition set forth below, permission is hereby granted to any
c07e64ecb528 Update SL copyright headers to use UPL
Gilles Duboscq <gilles.m.duboscq@oracle.com>
parents: 21951
diff changeset
8 * person obtaining a copy of this software, associated documentation and/or
c07e64ecb528 Update SL copyright headers to use UPL
Gilles Duboscq <gilles.m.duboscq@oracle.com>
parents: 21951
diff changeset
9 * data (collectively the "Software"), free of charge and under any and all
c07e64ecb528 Update SL copyright headers to use UPL
Gilles Duboscq <gilles.m.duboscq@oracle.com>
parents: 21951
diff changeset
10 * copyright rights in the Software, and any and all patent rights owned or
c07e64ecb528 Update SL copyright headers to use UPL
Gilles Duboscq <gilles.m.duboscq@oracle.com>
parents: 21951
diff changeset
11 * freely licensable by each licensor hereunder covering either (i) the
c07e64ecb528 Update SL copyright headers to use UPL
Gilles Duboscq <gilles.m.duboscq@oracle.com>
parents: 21951
diff changeset
12 * unmodified Software as contributed to or provided by such licensor, or (ii)
c07e64ecb528 Update SL copyright headers to use UPL
Gilles Duboscq <gilles.m.duboscq@oracle.com>
parents: 21951
diff changeset
13 * the Larger Works (as defined below), to deal in both
22065
503529c65456 Remove trailing whitespace from UPL license
Tom Rodriguez <tom.rodriguez@oracle.com>
parents: 21997
diff changeset
14 *
21997
c07e64ecb528 Update SL copyright headers to use UPL
Gilles Duboscq <gilles.m.duboscq@oracle.com>
parents: 21951
diff changeset
15 * (a) the Software, and
22065
503529c65456 Remove trailing whitespace from UPL license
Tom Rodriguez <tom.rodriguez@oracle.com>
parents: 21997
diff changeset
16 *
21997
c07e64ecb528 Update SL copyright headers to use UPL
Gilles Duboscq <gilles.m.duboscq@oracle.com>
parents: 21951
diff changeset
17 * (b) any piece of software and/or hardware listed in the lrgrwrks.txt file if
c07e64ecb528 Update SL copyright headers to use UPL
Gilles Duboscq <gilles.m.duboscq@oracle.com>
parents: 21951
diff changeset
18 * one is included with the Software each a "Larger Work" to which the Software
c07e64ecb528 Update SL copyright headers to use UPL
Gilles Duboscq <gilles.m.duboscq@oracle.com>
parents: 21951
diff changeset
19 * is contributed by such licensors),
22065
503529c65456 Remove trailing whitespace from UPL license
Tom Rodriguez <tom.rodriguez@oracle.com>
parents: 21997
diff changeset
20 *
21997
c07e64ecb528 Update SL copyright headers to use UPL
Gilles Duboscq <gilles.m.duboscq@oracle.com>
parents: 21951
diff changeset
21 * without restriction, including without limitation the rights to copy, create
c07e64ecb528 Update SL copyright headers to use UPL
Gilles Duboscq <gilles.m.duboscq@oracle.com>
parents: 21951
diff changeset
22 * derivative works of, display, perform, and distribute the Software and make,
c07e64ecb528 Update SL copyright headers to use UPL
Gilles Duboscq <gilles.m.duboscq@oracle.com>
parents: 21951
diff changeset
23 * use, sell, offer for sale, import, export, have made, and have sold the
c07e64ecb528 Update SL copyright headers to use UPL
Gilles Duboscq <gilles.m.duboscq@oracle.com>
parents: 21951
diff changeset
24 * Software and the Larger Work(s), and to sublicense the foregoing rights on
c07e64ecb528 Update SL copyright headers to use UPL
Gilles Duboscq <gilles.m.duboscq@oracle.com>
parents: 21951
diff changeset
25 * either these or other terms.
22065
503529c65456 Remove trailing whitespace from UPL license
Tom Rodriguez <tom.rodriguez@oracle.com>
parents: 21997
diff changeset
26 *
21997
c07e64ecb528 Update SL copyright headers to use UPL
Gilles Duboscq <gilles.m.duboscq@oracle.com>
parents: 21951
diff changeset
27 * This license is subject to the following condition:
22065
503529c65456 Remove trailing whitespace from UPL license
Tom Rodriguez <tom.rodriguez@oracle.com>
parents: 21997
diff changeset
28 *
21997
c07e64ecb528 Update SL copyright headers to use UPL
Gilles Duboscq <gilles.m.duboscq@oracle.com>
parents: 21951
diff changeset
29 * The above copyright notice and either this complete permission notice or at a
c07e64ecb528 Update SL copyright headers to use UPL
Gilles Duboscq <gilles.m.duboscq@oracle.com>
parents: 21951
diff changeset
30 * minimum a reference to the UPL must be included in all copies or substantial
c07e64ecb528 Update SL copyright headers to use UPL
Gilles Duboscq <gilles.m.duboscq@oracle.com>
parents: 21951
diff changeset
31 * portions of the Software.
22065
503529c65456 Remove trailing whitespace from UPL license
Tom Rodriguez <tom.rodriguez@oracle.com>
parents: 21997
diff changeset
32 *
21997
c07e64ecb528 Update SL copyright headers to use UPL
Gilles Duboscq <gilles.m.duboscq@oracle.com>
parents: 21951
diff changeset
33 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
c07e64ecb528 Update SL copyright headers to use UPL
Gilles Duboscq <gilles.m.duboscq@oracle.com>
parents: 21951
diff changeset
34 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
c07e64ecb528 Update SL copyright headers to use UPL
Gilles Duboscq <gilles.m.duboscq@oracle.com>
parents: 21951
diff changeset
35 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
c07e64ecb528 Update SL copyright headers to use UPL
Gilles Duboscq <gilles.m.duboscq@oracle.com>
parents: 21951
diff changeset
36 * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
c07e64ecb528 Update SL copyright headers to use UPL
Gilles Duboscq <gilles.m.duboscq@oracle.com>
parents: 21951
diff changeset
37 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
c07e64ecb528 Update SL copyright headers to use UPL
Gilles Duboscq <gilles.m.duboscq@oracle.com>
parents: 21951
diff changeset
38 * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
c07e64ecb528 Update SL copyright headers to use UPL
Gilles Duboscq <gilles.m.duboscq@oracle.com>
parents: 21951
diff changeset
39 * SOFTWARE.
13887
f3e4f746e9c6 Fix gate errors
Christian Wimmer <christian.wimmer@oracle.com>
parents: 13883
diff changeset
40 */
f3e4f746e9c6 Fix gate errors
Christian Wimmer <christian.wimmer@oracle.com>
parents: 13883
diff changeset
41 package com.oracle.truffle.sl.nodes.expression.demo;
f3e4f746e9c6 Fix gate errors
Christian Wimmer <christian.wimmer@oracle.com>
parents: 13883
diff changeset
42
22157
dc83cc1f94f2 Using fully qualified imports
Jaroslav Tulach <jaroslav.tulach@oracle.com>
parents: 22065
diff changeset
43 import com.oracle.truffle.api.ExactMath;
dc83cc1f94f2 Using fully qualified imports
Jaroslav Tulach <jaroslav.tulach@oracle.com>
parents: 22065
diff changeset
44 import com.oracle.truffle.api.dsl.UnsupportedSpecializationException;
dc83cc1f94f2 Using fully qualified imports
Jaroslav Tulach <jaroslav.tulach@oracle.com>
parents: 22065
diff changeset
45 import com.oracle.truffle.api.frame.VirtualFrame;
dc83cc1f94f2 Using fully qualified imports
Jaroslav Tulach <jaroslav.tulach@oracle.com>
parents: 22065
diff changeset
46 import com.oracle.truffle.api.nodes.Node;
dc83cc1f94f2 Using fully qualified imports
Jaroslav Tulach <jaroslav.tulach@oracle.com>
parents: 22065
diff changeset
47 import com.oracle.truffle.sl.nodes.SLExpressionNode;
dc83cc1f94f2 Using fully qualified imports
Jaroslav Tulach <jaroslav.tulach@oracle.com>
parents: 22065
diff changeset
48 import com.oracle.truffle.sl.nodes.expression.SLAddNode;
dc83cc1f94f2 Using fully qualified imports
Jaroslav Tulach <jaroslav.tulach@oracle.com>
parents: 22065
diff changeset
49 import java.math.BigInteger;
13887
f3e4f746e9c6 Fix gate errors
Christian Wimmer <christian.wimmer@oracle.com>
parents: 13883
diff changeset
50
f3e4f746e9c6 Fix gate errors
Christian Wimmer <christian.wimmer@oracle.com>
parents: 13883
diff changeset
51 /**
f3e4f746e9c6 Fix gate errors
Christian Wimmer <christian.wimmer@oracle.com>
parents: 13883
diff changeset
52 * This is an example how the add operation would be implemented without specializations and without
f3e4f746e9c6 Fix gate errors
Christian Wimmer <christian.wimmer@oracle.com>
parents: 13883
diff changeset
53 * the Truffle DSL. Do not write such code in your language! See {@link SLAddNode} how the add
f3e4f746e9c6 Fix gate errors
Christian Wimmer <christian.wimmer@oracle.com>
parents: 13883
diff changeset
54 * operation is implemented correctly.
f3e4f746e9c6 Fix gate errors
Christian Wimmer <christian.wimmer@oracle.com>
parents: 13883
diff changeset
55 */
f3e4f746e9c6 Fix gate errors
Christian Wimmer <christian.wimmer@oracle.com>
parents: 13883
diff changeset
56 public class SLAddWithoutSpecializationNode extends SLExpressionNode {
f3e4f746e9c6 Fix gate errors
Christian Wimmer <christian.wimmer@oracle.com>
parents: 13883
diff changeset
57
f3e4f746e9c6 Fix gate errors
Christian Wimmer <christian.wimmer@oracle.com>
parents: 13883
diff changeset
58 @Child private SLExpressionNode leftNode;
f3e4f746e9c6 Fix gate errors
Christian Wimmer <christian.wimmer@oracle.com>
parents: 13883
diff changeset
59 @Child private SLExpressionNode rightNode;
f3e4f746e9c6 Fix gate errors
Christian Wimmer <christian.wimmer@oracle.com>
parents: 13883
diff changeset
60
f3e4f746e9c6 Fix gate errors
Christian Wimmer <christian.wimmer@oracle.com>
parents: 13883
diff changeset
61 public SLAddWithoutSpecializationNode(SLExpressionNode leftNode, SLExpressionNode rightNode) {
16512
abe7128ca473 SL: upgrade source attribution
Michael Van De Vanter <michael.van.de.vanter@oracle.com>
parents: 14628
diff changeset
62 super(null);
14628
a08b8694f556 Truffle: Node API changes
Andreas Woess <andreas.woess@jku.at>
parents: 13887
diff changeset
63 this.leftNode = leftNode;
a08b8694f556 Truffle: Node API changes
Andreas Woess <andreas.woess@jku.at>
parents: 13887
diff changeset
64 this.rightNode = rightNode;
13887
f3e4f746e9c6 Fix gate errors
Christian Wimmer <christian.wimmer@oracle.com>
parents: 13883
diff changeset
65 }
f3e4f746e9c6 Fix gate errors
Christian Wimmer <christian.wimmer@oracle.com>
parents: 13883
diff changeset
66
f3e4f746e9c6 Fix gate errors
Christian Wimmer <christian.wimmer@oracle.com>
parents: 13883
diff changeset
67 @Override
f3e4f746e9c6 Fix gate errors
Christian Wimmer <christian.wimmer@oracle.com>
parents: 13883
diff changeset
68 public Object executeGeneric(VirtualFrame frame) {
f3e4f746e9c6 Fix gate errors
Christian Wimmer <christian.wimmer@oracle.com>
parents: 13883
diff changeset
69 /* Evaluate the child nodes. */
f3e4f746e9c6 Fix gate errors
Christian Wimmer <christian.wimmer@oracle.com>
parents: 13883
diff changeset
70 Object left = leftNode.executeGeneric(frame);
f3e4f746e9c6 Fix gate errors
Christian Wimmer <christian.wimmer@oracle.com>
parents: 13883
diff changeset
71 Object right = rightNode.executeGeneric(frame);
f3e4f746e9c6 Fix gate errors
Christian Wimmer <christian.wimmer@oracle.com>
parents: 13883
diff changeset
72
f3e4f746e9c6 Fix gate errors
Christian Wimmer <christian.wimmer@oracle.com>
parents: 13883
diff changeset
73 if (left instanceof Long && right instanceof Long) {
f3e4f746e9c6 Fix gate errors
Christian Wimmer <christian.wimmer@oracle.com>
parents: 13883
diff changeset
74 /* Fast path of the arbitrary-precision arithmetic. We need to check for overflows */
f3e4f746e9c6 Fix gate errors
Christian Wimmer <christian.wimmer@oracle.com>
parents: 13883
diff changeset
75 try {
f3e4f746e9c6 Fix gate errors
Christian Wimmer <christian.wimmer@oracle.com>
parents: 13883
diff changeset
76 return ExactMath.addExact((Long) left, (Long) right);
f3e4f746e9c6 Fix gate errors
Christian Wimmer <christian.wimmer@oracle.com>
parents: 13883
diff changeset
77 } catch (ArithmeticException ex) {
f3e4f746e9c6 Fix gate errors
Christian Wimmer <christian.wimmer@oracle.com>
parents: 13883
diff changeset
78 /* Fall through to BigInteger case. */
f3e4f746e9c6 Fix gate errors
Christian Wimmer <christian.wimmer@oracle.com>
parents: 13883
diff changeset
79 }
f3e4f746e9c6 Fix gate errors
Christian Wimmer <christian.wimmer@oracle.com>
parents: 13883
diff changeset
80 }
f3e4f746e9c6 Fix gate errors
Christian Wimmer <christian.wimmer@oracle.com>
parents: 13883
diff changeset
81
f3e4f746e9c6 Fix gate errors
Christian Wimmer <christian.wimmer@oracle.com>
parents: 13883
diff changeset
82 /* Implicit type conversions. */
f3e4f746e9c6 Fix gate errors
Christian Wimmer <christian.wimmer@oracle.com>
parents: 13883
diff changeset
83 if (left instanceof Long) {
f3e4f746e9c6 Fix gate errors
Christian Wimmer <christian.wimmer@oracle.com>
parents: 13883
diff changeset
84 left = BigInteger.valueOf((Long) left);
f3e4f746e9c6 Fix gate errors
Christian Wimmer <christian.wimmer@oracle.com>
parents: 13883
diff changeset
85 }
f3e4f746e9c6 Fix gate errors
Christian Wimmer <christian.wimmer@oracle.com>
parents: 13883
diff changeset
86 if (right instanceof Long) {
f3e4f746e9c6 Fix gate errors
Christian Wimmer <christian.wimmer@oracle.com>
parents: 13883
diff changeset
87 right = BigInteger.valueOf((Long) right);
f3e4f746e9c6 Fix gate errors
Christian Wimmer <christian.wimmer@oracle.com>
parents: 13883
diff changeset
88 }
f3e4f746e9c6 Fix gate errors
Christian Wimmer <christian.wimmer@oracle.com>
parents: 13883
diff changeset
89 if (left instanceof BigInteger && right instanceof BigInteger) {
f3e4f746e9c6 Fix gate errors
Christian Wimmer <christian.wimmer@oracle.com>
parents: 13883
diff changeset
90 /* Slow path of the arbitrary-precision arithmetic. */
f3e4f746e9c6 Fix gate errors
Christian Wimmer <christian.wimmer@oracle.com>
parents: 13883
diff changeset
91 return ((BigInteger) left).add((BigInteger) right);
f3e4f746e9c6 Fix gate errors
Christian Wimmer <christian.wimmer@oracle.com>
parents: 13883
diff changeset
92 }
f3e4f746e9c6 Fix gate errors
Christian Wimmer <christian.wimmer@oracle.com>
parents: 13883
diff changeset
93
f3e4f746e9c6 Fix gate errors
Christian Wimmer <christian.wimmer@oracle.com>
parents: 13883
diff changeset
94 /* String concatenation if either the left or the right operand is a String. */
f3e4f746e9c6 Fix gate errors
Christian Wimmer <christian.wimmer@oracle.com>
parents: 13883
diff changeset
95 if (left instanceof String || right instanceof String) {
f3e4f746e9c6 Fix gate errors
Christian Wimmer <christian.wimmer@oracle.com>
parents: 13883
diff changeset
96 return left.toString() + right.toString();
f3e4f746e9c6 Fix gate errors
Christian Wimmer <christian.wimmer@oracle.com>
parents: 13883
diff changeset
97 }
f3e4f746e9c6 Fix gate errors
Christian Wimmer <christian.wimmer@oracle.com>
parents: 13883
diff changeset
98
f3e4f746e9c6 Fix gate errors
Christian Wimmer <christian.wimmer@oracle.com>
parents: 13883
diff changeset
99 /* Type error. */
f3e4f746e9c6 Fix gate errors
Christian Wimmer <christian.wimmer@oracle.com>
parents: 13883
diff changeset
100 throw new UnsupportedSpecializationException(this, new Node[]{leftNode, rightNode}, new Object[]{left, right});
f3e4f746e9c6 Fix gate errors
Christian Wimmer <christian.wimmer@oracle.com>
parents: 13883
diff changeset
101 }
f3e4f746e9c6 Fix gate errors
Christian Wimmer <christian.wimmer@oracle.com>
parents: 13883
diff changeset
102 }