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comparison graal/com.oracle.truffle.api.dsl.test/src/com/oracle/truffle/api/dsl/test/ExecuteGroupingTest.java @ 20940:476374f3fe9a

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Truffle-DSL: generate better polymorphic execute signatures
author Christian Humer <christian.humer@gmail.com>
date Tue, 14 Apr 2015 15:12:48 +0200
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children 6361fa2e3321
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20939:f83fd99b2962 20940:476374f3fe9a
1 /*
2 * Copyright (c) 2015, 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.api.dsl.test;
24
25 import org.junit.*;
26 import org.junit.experimental.theories.*;
27 import org.junit.runner.*;
28 import org.junit.runners.Parameterized.Parameters;
29
30 import static org.junit.Assert.*;
31
32 import com.oracle.truffle.api.dsl.*;
33 import com.oracle.truffle.api.dsl.test.ExecuteGroupingTestFactory.ExecuteGrouping1NodeGen;
34 import com.oracle.truffle.api.frame.*;
35 import com.oracle.truffle.api.nodes.*;
36
37 /*
38 * This test aims to test the reuse of execute methods with evaluated parameters as much as possible.
39 */
40 @SuppressWarnings("unused")
41 @RunWith(Theories.class)
42 public class ExecuteGroupingTest {
43
44 @DataPoints public static final Object[] parameters = new Object[]{1, 2};
45
46 static final class ExecuteGroupingChild extends Node {
47
48 int invocationCount = 0;
49
50 private final Object returnValue;
51
52 public ExecuteGroupingChild(Object returnValue) {
53 this.returnValue = returnValue;
54 }
55
56 Object execute() {
57 invocationCount++;
58 return returnValue;
59 }
60
61 }
62
63 @Theory
64 public void testExecuteGrouping1Node(Object a, Object b, Object c) throws UnexpectedResultException {
65 ExecuteGroupingChild child0 = new ExecuteGroupingChild(a);
66 ExecuteGroupingChild child1 = new ExecuteGroupingChild(b);
67 ExecuteGroupingChild child2 = new ExecuteGroupingChild(c);
68
69 int result = ((int) a) + ((int) b) + ((int) c);
70
71 assertEquals(result, TestHelper.createRoot(ExecuteGrouping1NodeGen.create(child0, child1, child2)).execute());
72 assertEquals(result, TestHelper.createRoot(ExecuteGrouping1NodeGen.create(child0, child1, child2)).execute((VirtualFrame) null));
73 assertEquals(result, TestHelper.createRoot(ExecuteGrouping1NodeGen.create(null, child1, child2)).execute(a));
74 assertEquals(result, TestHelper.createRoot(ExecuteGrouping1NodeGen.create(null, child1, child2)).executeInt(a));
75
76 assertEquals(result, TestHelper.createRoot(ExecuteGrouping1NodeGen.create(null, null, child2)).execute(a, b));
77 assertEquals(result, TestHelper.createRoot(ExecuteGrouping1NodeGen.create(null, null, child2)).execute((int) a, b));
78 assertEquals(result, TestHelper.createRoot(ExecuteGrouping1NodeGen.create(null, null, child2)).execute(a, (int) b));
79 assertEquals(result, TestHelper.createRoot(ExecuteGrouping1NodeGen.create(null, null, child2)).execute((int) a, (int) b));
80 assertEquals(result, TestHelper.createRoot(ExecuteGrouping1NodeGen.create(null, null, child2)).executeInt((int) a, (int) b));
81
82 assertEquals(result, TestHelper.createRoot(ExecuteGrouping1NodeGen.create(null, null, null)).execute(a, b, c));
83 assertEquals(result, TestHelper.createRoot(ExecuteGrouping1NodeGen.create(null, null, null)).execute((int) a, (int) b, c));
84 assertEquals(result, TestHelper.createRoot(ExecuteGrouping1NodeGen.create(null, null, null)).execute((int) a, (int) b, (int) c));
85
86 }
87
88 @NodeChildren({@NodeChild(type = ExecuteGroupingChild.class), @NodeChild(type = ExecuteGroupingChild.class), @NodeChild(type = ExecuteGroupingChild.class)})
89 abstract static class ExecuteGrouping1Node extends Node {
90
91 abstract Object execute();
92
93 int executeInt() throws UnexpectedResultException {
94 Object value = execute();
95 if (value instanceof Integer) {
96 return (int) value;
97 }
98 throw new UnexpectedResultException(value);
99 }
100
101 abstract double executeDouble() throws UnexpectedResultException;
102
103 abstract Object execute(VirtualFrame frame);
104
105 abstract Object execute(Object o1);
106
107 abstract int executeInt(Object o1) throws UnexpectedResultException;
108
109 abstract Object execute(Object o1, Object o2);
110
111 abstract Object execute(int o1, int o2);
112
113 abstract Object execute(int o1, int o2, Object o3);
114
115 abstract int executeInt(int o1, int o2) throws UnexpectedResultException;
116
117 abstract Object execute(Object o1, int o2);
118
119 abstract Object execute(int o1, Object o2);
120
121 abstract Object execute(Object o1, Object o2, Object o3);
122
123 abstract Object execute(int o1, int o2, int o3);
124
125 @Specialization
126 int s1(int a, int b, int c) {
127 return a + b + c;
128 }
129
130 @Specialization
131 int s2(Object a, Object b, Object c) {
132 return ((int) a) + ((int) b) + ((int) c);
133 }
134
135 }
136
137 abstract static class StrangeReturnCase extends Node {
138
139 // we don't know how to implement executeDouble
140 public abstract double executeDouble();
141
142 public int executeInt() {
143 return 42;
144 }
145
146 @Specialization(rewriteOn = RuntimeException.class)
147 int s1() {
148 return 42;
149 }
150
151 @Specialization
152 int s2() {
153 return 42;
154 }
155
156 }
157
158 @ExpectError("Incompatible abstract execute methods found [executeDouble(), executeInt()].%")
159 abstract static class IncompatibleAbstract1 extends Node {
160
161 // we don't know how to implement executeDouble
162 abstract double executeDouble();
163
164 abstract int executeInt();
165
166 @Specialization
167 int s1() {
168 return 42;
169 }
170
171 }
172
173 abstract static class IncompatibleAbstract2 extends Node {
174
175 abstract double executeDouble();
176
177 // we can resolve duplicate path errors by making an execute method final
178 @SuppressWarnings("static-method")
179 public final int executeInt() {
180 return 42;
181 }
182
183 @ExpectError("The provided return type \"int\" does not match expected return type \"double\".%")
184 @Specialization(rewriteOn = RuntimeException.class)
185 int s1() {
186 return 42;
187 }
188
189 @Specialization
190 double s2() {
191 return 42;
192 }
193
194 }
195
196 }