1 /*
2 * Copyright (c) 2024, 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
24 /*
25 * @test
26 * @modules jdk.incubator.code
27 * @run testng TestLocation
28 */
29
30 import org.testng.Assert;
31 import org.testng.annotations.Test;
32
33 import java.io.StringWriter;
34 import java.lang.reflect.Method;
35 import jdk.incubator.code.Location;
36 import jdk.incubator.code.Op;
37 import jdk.incubator.code.OpTransformer;
38 import jdk.incubator.code.op.CoreOp;
39 import jdk.incubator.code.op.ExtendedOp;
40 import jdk.incubator.code.parser.OpParser;
41 import jdk.incubator.code.writer.OpWriter;
42 import jdk.incubator.code.CodeReflection;
43 import java.util.Optional;
44 import java.util.stream.Stream;
45
46 public class TestLocation {
47 @Test
48 public void testLocation() {
49 CoreOp.FuncOp f = getFuncOp(ClassWithReflectedMethod.class, "f");
50 f.traverse(null, (o, ce) -> {
51 if (ce instanceof CoreOp.ConstantOp cop) {
52 Location loc = cop.location();
53 Assert.assertNotNull(loc);
54
55 int actualLine = loc.line();
56 int expectedLine = Integer.parseInt((String) cop.value());
57 Assert.assertEquals(actualLine, expectedLine);
58 }
59 return null;
60 });
61 }
62
63 @CodeReflection
64 static int f(int m, int n) {
65 int sum = 0;
66 for (int i = 0; i < m; i++) {
67 for (int j = 0; j < n; j++) {
68 sum++;
69 }
70 }
71 return sum;
72 }
73
74 @Test
75 public void dropLocationTransform() {
76 CoreOp.FuncOp f = getFuncOp(TestLocation.class, "f");
77
78 CoreOp.FuncOp tf = f.transform(OpTransformer.DROP_LOCATION_TRANSFORMER);
79 tf.setLocation(Location.NO_LOCATION);
80 testNoLocations(tf);
81
82 CoreOp.FuncOp tlf = lower(f).transform(OpTransformer.DROP_LOCATION_TRANSFORMER);
83 tlf.setLocation(Location.NO_LOCATION);
84 testNoLocations(tlf);
85 }
86
87 @Test
88 public void dropLocationWriter() {
89 CoreOp.FuncOp f = getFuncOp(TestLocation.class, "f");
90
91 StringWriter w = new StringWriter();
92 OpWriter.writeTo(w, f, OpWriter.LocationOption.DROP_LOCATION);
93 String tfText = w.toString();
94 CoreOp.FuncOp tf = (CoreOp.FuncOp) OpParser.fromString(ExtendedOp.FACTORY, tfText).getFirst();
95 testNoLocations(tf);
96 }
97
98 static CoreOp.FuncOp lower(CoreOp.FuncOp f) {
99 return f.transform(OpTransformer.LOWERING_TRANSFORMER);
100 }
101
102 static void testNoLocations(Op op) {
103 boolean noLocations = op.elements().filter(ce -> ce instanceof Op)
104 .allMatch(ce -> ((Op) ce).location() == Location.NO_LOCATION);
105 Assert.assertTrue(noLocations);
106 }
107
108
109 static CoreOp.FuncOp getFuncOp(Class<?> c, String name) {
110 Optional<Method> om = Stream.of(c.getDeclaredMethods())
111 .filter(m -> m.getName().equals(name))
112 .findFirst();
113
114 Method m = om.get();
115 return Op.ofMethod(m).get();
116 }
117 }