Mercurial > hg > truffle

annotate truffle/com.oracle.truffle.api.dsl.test/src/com/oracle/truffle/api/dsl/test/examples/StableDispatch.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 9c8c0937da41
children
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
rev   line source
19301
a79a3e467245 Truffle-DSL: move examples package into test package for the project canonicalizer.
Christian Humer <christian.humer@gmail.com>
parents:
diff changeset
1 /*
a79a3e467245 Truffle-DSL: move examples package into test package for the project canonicalizer.
Christian Humer <christian.humer@gmail.com>
parents:
diff changeset
2 * Copyright (c) 2015, Oracle and/or its affiliates. All rights reserved.
a79a3e467245 Truffle-DSL: move examples package into test package for the project canonicalizer.
Christian Humer <christian.humer@gmail.com>
parents:
diff changeset
3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
a79a3e467245 Truffle-DSL: move examples package into test package for the project canonicalizer.
Christian Humer <christian.humer@gmail.com>
parents:
diff changeset
4 *
a79a3e467245 Truffle-DSL: move examples package into test package for the project canonicalizer.
Christian Humer <christian.humer@gmail.com>
parents:
diff changeset
5 * This code is free software; you can redistribute it and/or modify it
a79a3e467245 Truffle-DSL: move examples package into test package for the project canonicalizer.
Christian Humer <christian.humer@gmail.com>
parents:
diff changeset
6 * under the terms of the GNU General Public License version 2 only, as
a79a3e467245 Truffle-DSL: move examples package into test package for the project canonicalizer.
Christian Humer <christian.humer@gmail.com>
parents:
diff changeset
7 * published by the Free Software Foundation.
a79a3e467245 Truffle-DSL: move examples package into test package for the project canonicalizer.
Christian Humer <christian.humer@gmail.com>
parents:
diff changeset
8 *
a79a3e467245 Truffle-DSL: move examples package into test package for the project canonicalizer.
Christian Humer <christian.humer@gmail.com>
parents:
diff changeset
9 * This code is distributed in the hope that it will be useful, but WITHOUT
a79a3e467245 Truffle-DSL: move examples package into test package for the project canonicalizer.
Christian Humer <christian.humer@gmail.com>
parents:
diff changeset
10 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
a79a3e467245 Truffle-DSL: move examples package into test package for the project canonicalizer.
Christian Humer <christian.humer@gmail.com>
parents:
diff changeset
11 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
a79a3e467245 Truffle-DSL: move examples package into test package for the project canonicalizer.
Christian Humer <christian.humer@gmail.com>
parents:
diff changeset
12 * version 2 for more details (a copy is included in the LICENSE file that
a79a3e467245 Truffle-DSL: move examples package into test package for the project canonicalizer.
Christian Humer <christian.humer@gmail.com>
parents:
diff changeset
13 * accompanied this code).
a79a3e467245 Truffle-DSL: move examples package into test package for the project canonicalizer.
Christian Humer <christian.humer@gmail.com>
parents:
diff changeset
14 *
a79a3e467245 Truffle-DSL: move examples package into test package for the project canonicalizer.
Christian Humer <christian.humer@gmail.com>
parents:
diff changeset
15 * You should have received a copy of the GNU General Public License version
a79a3e467245 Truffle-DSL: move examples package into test package for the project canonicalizer.
Christian Humer <christian.humer@gmail.com>
parents:
diff changeset
16 * 2 along with this work; if not, write to the Free Software Foundation,
a79a3e467245 Truffle-DSL: move examples package into test package for the project canonicalizer.
Christian Humer <christian.humer@gmail.com>
parents:
diff changeset
17 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
a79a3e467245 Truffle-DSL: move examples package into test package for the project canonicalizer.
Christian Humer <christian.humer@gmail.com>
parents:
diff changeset
18 *
a79a3e467245 Truffle-DSL: move examples package into test package for the project canonicalizer.
Christian Humer <christian.humer@gmail.com>
parents:
diff changeset
19 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
a79a3e467245 Truffle-DSL: move examples package into test package for the project canonicalizer.
Christian Humer <christian.humer@gmail.com>
parents:
diff changeset
20 * or visit www.oracle.com if you need additional information or have any
a79a3e467245 Truffle-DSL: move examples package into test package for the project canonicalizer.
Christian Humer <christian.humer@gmail.com>
parents:
diff changeset
21 * questions.
a79a3e467245 Truffle-DSL: move examples package into test package for the project canonicalizer.
Christian Humer <christian.humer@gmail.com>
parents:
diff changeset
22 */
a79a3e467245 Truffle-DSL: move examples package into test package for the project canonicalizer.
Christian Humer <christian.humer@gmail.com>
parents:
diff changeset
23 package com.oracle.truffle.api.dsl.test.examples;
a79a3e467245 Truffle-DSL: move examples package into test package for the project canonicalizer.
Christian Humer <christian.humer@gmail.com>
parents:
diff changeset
24
22157
dc83cc1f94f2 Using fully qualified imports
Jaroslav Tulach <jaroslav.tulach@oracle.com>
parents: 21951
diff changeset
25 import com.oracle.truffle.api.Assumption;
dc83cc1f94f2 Using fully qualified imports
Jaroslav Tulach <jaroslav.tulach@oracle.com>
parents: 21951
diff changeset
26 import com.oracle.truffle.api.CallTarget;
dc83cc1f94f2 Using fully qualified imports
Jaroslav Tulach <jaroslav.tulach@oracle.com>
parents: 21951
diff changeset
27 import com.oracle.truffle.api.dsl.Cached;
dc83cc1f94f2 Using fully qualified imports
Jaroslav Tulach <jaroslav.tulach@oracle.com>
parents: 21951
diff changeset
28 import com.oracle.truffle.api.dsl.NodeChild;
dc83cc1f94f2 Using fully qualified imports
Jaroslav Tulach <jaroslav.tulach@oracle.com>
parents: 21951
diff changeset
29 import com.oracle.truffle.api.dsl.NodeChildren;
dc83cc1f94f2 Using fully qualified imports
Jaroslav Tulach <jaroslav.tulach@oracle.com>
parents: 21951
diff changeset
30 import com.oracle.truffle.api.dsl.Specialization;
dc83cc1f94f2 Using fully qualified imports
Jaroslav Tulach <jaroslav.tulach@oracle.com>
parents: 21951
diff changeset
31 import com.oracle.truffle.api.frame.VirtualFrame;
dc83cc1f94f2 Using fully qualified imports
Jaroslav Tulach <jaroslav.tulach@oracle.com>
parents: 21951
diff changeset
32 import com.oracle.truffle.api.nodes.DirectCallNode;
dc83cc1f94f2 Using fully qualified imports
Jaroslav Tulach <jaroslav.tulach@oracle.com>
parents: 21951
diff changeset
33 import com.oracle.truffle.api.nodes.IndirectCallNode;
dc83cc1f94f2 Using fully qualified imports
Jaroslav Tulach <jaroslav.tulach@oracle.com>
parents: 21951
diff changeset
34 import com.oracle.truffle.api.utilities.CyclicAssumption;
19301
a79a3e467245 Truffle-DSL: move examples package into test package for the project canonicalizer.
Christian Humer <christian.humer@gmail.com>
parents:
diff changeset
35
a79a3e467245 Truffle-DSL: move examples package into test package for the project canonicalizer.
Christian Humer <christian.humer@gmail.com>
parents:
diff changeset
36 /**
a79a3e467245 Truffle-DSL: move examples package into test package for the project canonicalizer.
Christian Humer <christian.humer@gmail.com>
parents:
diff changeset
37 * This example is based on the SLDispatchNode of SimpleLanguage. It shows how to implement a simple
a79a3e467245 Truffle-DSL: move examples package into test package for the project canonicalizer.
Christian Humer <christian.humer@gmail.com>
parents:
diff changeset
38 * inline cache with an assumption that needs to be checked.
a79a3e467245 Truffle-DSL: move examples package into test package for the project canonicalizer.
Christian Humer <christian.humer@gmail.com>
parents:
diff changeset
39 *
a79a3e467245 Truffle-DSL: move examples package into test package for the project canonicalizer.
Christian Humer <christian.humer@gmail.com>
parents:
diff changeset
40 * Note that if an assumption is invalidated the specialization instantiation is removed.
a79a3e467245 Truffle-DSL: move examples package into test package for the project canonicalizer.
Christian Humer <christian.humer@gmail.com>
parents:
diff changeset
41 */
a79a3e467245 Truffle-DSL: move examples package into test package for the project canonicalizer.
Christian Humer <christian.humer@gmail.com>
parents:
diff changeset
42 @SuppressWarnings("unused")
a79a3e467245 Truffle-DSL: move examples package into test package for the project canonicalizer.
Christian Humer <christian.humer@gmail.com>
parents:
diff changeset
43 @NodeChildren({@NodeChild("function"), @NodeChild("arguments")})
a79a3e467245 Truffle-DSL: move examples package into test package for the project canonicalizer.
Christian Humer <christian.humer@gmail.com>
parents:
diff changeset
44 public class StableDispatch {
a79a3e467245 Truffle-DSL: move examples package into test package for the project canonicalizer.
Christian Humer <christian.humer@gmail.com>
parents:
diff changeset
45
a79a3e467245 Truffle-DSL: move examples package into test package for the project canonicalizer.
Christian Humer <christian.humer@gmail.com>
parents:
diff changeset
46 public static class StableDispatchNode extends ExampleNode {
a79a3e467245 Truffle-DSL: move examples package into test package for the project canonicalizer.
Christian Humer <christian.humer@gmail.com>
parents:
diff changeset
47
a79a3e467245 Truffle-DSL: move examples package into test package for the project canonicalizer.
Christian Humer <christian.humer@gmail.com>
parents:
diff changeset
48 @Specialization(guards = "function == cachedFunction", assumptions = "cachedFunction.getCallTargetStable()")
a79a3e467245 Truffle-DSL: move examples package into test package for the project canonicalizer.
Christian Humer <christian.humer@gmail.com>
parents:
diff changeset
49 protected static Object directDispatch(VirtualFrame frame, SLFunction function, Object[] arguments, //
a79a3e467245 Truffle-DSL: move examples package into test package for the project canonicalizer.
Christian Humer <christian.humer@gmail.com>
parents:
diff changeset
50 @Cached("function") SLFunction cachedFunction, //
a79a3e467245 Truffle-DSL: move examples package into test package for the project canonicalizer.
Christian Humer <christian.humer@gmail.com>
parents:
diff changeset
51 @Cached("create(cachedFunction.getCallTarget())") DirectCallNode callNode) {
a79a3e467245 Truffle-DSL: move examples package into test package for the project canonicalizer.
Christian Humer <christian.humer@gmail.com>
parents:
diff changeset
52 return callNode.call(frame, arguments);
a79a3e467245 Truffle-DSL: move examples package into test package for the project canonicalizer.
Christian Humer <christian.humer@gmail.com>
parents:
diff changeset
53 }
a79a3e467245 Truffle-DSL: move examples package into test package for the project canonicalizer.
Christian Humer <christian.humer@gmail.com>
parents:
diff changeset
54
a79a3e467245 Truffle-DSL: move examples package into test package for the project canonicalizer.
Christian Humer <christian.humer@gmail.com>
parents:
diff changeset
55 @Specialization(contains = "directDispatch")
a79a3e467245 Truffle-DSL: move examples package into test package for the project canonicalizer.
Christian Humer <christian.humer@gmail.com>
parents:
diff changeset
56 protected static Object indirectDispatch(VirtualFrame frame, SLFunction function, Object[] arguments, //
a79a3e467245 Truffle-DSL: move examples package into test package for the project canonicalizer.
Christian Humer <christian.humer@gmail.com>
parents:
diff changeset
57 @Cached("create()") IndirectCallNode callNode) {
a79a3e467245 Truffle-DSL: move examples package into test package for the project canonicalizer.
Christian Humer <christian.humer@gmail.com>
parents:
diff changeset
58 return callNode.call(frame, function.getCallTarget(), arguments);
a79a3e467245 Truffle-DSL: move examples package into test package for the project canonicalizer.
Christian Humer <christian.humer@gmail.com>
parents:
diff changeset
59 }
a79a3e467245 Truffle-DSL: move examples package into test package for the project canonicalizer.
Christian Humer <christian.humer@gmail.com>
parents:
diff changeset
60 }
a79a3e467245 Truffle-DSL: move examples package into test package for the project canonicalizer.
Christian Humer <christian.humer@gmail.com>
parents:
diff changeset
61
a79a3e467245 Truffle-DSL: move examples package into test package for the project canonicalizer.
Christian Humer <christian.humer@gmail.com>
parents:
diff changeset
62 public static final class SLFunction {
a79a3e467245 Truffle-DSL: move examples package into test package for the project canonicalizer.
Christian Humer <christian.humer@gmail.com>
parents:
diff changeset
63
a79a3e467245 Truffle-DSL: move examples package into test package for the project canonicalizer.
Christian Humer <christian.humer@gmail.com>
parents:
diff changeset
64 private CallTarget callTarget;
a79a3e467245 Truffle-DSL: move examples package into test package for the project canonicalizer.
Christian Humer <christian.humer@gmail.com>
parents:
diff changeset
65 private final CyclicAssumption callTargetStable;
a79a3e467245 Truffle-DSL: move examples package into test package for the project canonicalizer.
Christian Humer <christian.humer@gmail.com>
parents:
diff changeset
66
a79a3e467245 Truffle-DSL: move examples package into test package for the project canonicalizer.
Christian Humer <christian.humer@gmail.com>
parents:
diff changeset
67 protected SLFunction(String name) {
a79a3e467245 Truffle-DSL: move examples package into test package for the project canonicalizer.
Christian Humer <christian.humer@gmail.com>
parents:
diff changeset
68 this.callTargetStable = new CyclicAssumption(name);
a79a3e467245 Truffle-DSL: move examples package into test package for the project canonicalizer.
Christian Humer <christian.humer@gmail.com>
parents:
diff changeset
69 }
a79a3e467245 Truffle-DSL: move examples package into test package for the project canonicalizer.
Christian Humer <christian.humer@gmail.com>
parents:
diff changeset
70
a79a3e467245 Truffle-DSL: move examples package into test package for the project canonicalizer.
Christian Humer <christian.humer@gmail.com>
parents:
diff changeset
71 protected void setCallTarget(CallTarget callTarget) {
a79a3e467245 Truffle-DSL: move examples package into test package for the project canonicalizer.
Christian Humer <christian.humer@gmail.com>
parents:
diff changeset
72 this.callTarget = callTarget;
a79a3e467245 Truffle-DSL: move examples package into test package for the project canonicalizer.
Christian Humer <christian.humer@gmail.com>
parents:
diff changeset
73 this.callTargetStable.invalidate();
a79a3e467245 Truffle-DSL: move examples package into test package for the project canonicalizer.
Christian Humer <christian.humer@gmail.com>
parents:
diff changeset
74 }
a79a3e467245 Truffle-DSL: move examples package into test package for the project canonicalizer.
Christian Humer <christian.humer@gmail.com>
parents:
diff changeset
75
a79a3e467245 Truffle-DSL: move examples package into test package for the project canonicalizer.
Christian Humer <christian.humer@gmail.com>
parents:
diff changeset
76 public CallTarget getCallTarget() {
a79a3e467245 Truffle-DSL: move examples package into test package for the project canonicalizer.
Christian Humer <christian.humer@gmail.com>
parents:
diff changeset
77 return callTarget;
a79a3e467245 Truffle-DSL: move examples package into test package for the project canonicalizer.
Christian Humer <christian.humer@gmail.com>
parents:
diff changeset
78 }
a79a3e467245 Truffle-DSL: move examples package into test package for the project canonicalizer.
Christian Humer <christian.humer@gmail.com>
parents:
diff changeset
79
a79a3e467245 Truffle-DSL: move examples package into test package for the project canonicalizer.
Christian Humer <christian.humer@gmail.com>
parents:
diff changeset
80 public Assumption getCallTargetStable() {
a79a3e467245 Truffle-DSL: move examples package into test package for the project canonicalizer.
Christian Humer <christian.humer@gmail.com>
parents:
diff changeset
81 return callTargetStable.getAssumption();
a79a3e467245 Truffle-DSL: move examples package into test package for the project canonicalizer.
Christian Humer <christian.humer@gmail.com>
parents:
diff changeset
82 }
a79a3e467245 Truffle-DSL: move examples package into test package for the project canonicalizer.
Christian Humer <christian.humer@gmail.com>
parents:
diff changeset
83 }
a79a3e467245 Truffle-DSL: move examples package into test package for the project canonicalizer.
Christian Humer <christian.humer@gmail.com>
parents:
diff changeset
84
a79a3e467245 Truffle-DSL: move examples package into test package for the project canonicalizer.
Christian Humer <christian.humer@gmail.com>
parents:
diff changeset
85 }