Sat, 22 Dec 2018 13:10:38 -0800
Added tag jdk8u202-b25 for changeset 15d8c732039b
1 /*
2 * Copyright (c) 2013, 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 */
24 /*
25 * @test
26 * @bug 8028504
27 * @summary javac generates LocalVariableTable even with -g:none
28 * @compile -g:none DontGenerateLVTForGNoneOpTest.java
29 * @run main DontGenerateLVTForGNoneOpTest
30 */
32 import java.io.File;
33 import java.lang.annotation.ElementType;
34 import java.lang.annotation.Target;
35 import java.nio.file.Paths;
37 import com.sun.tools.classfile.Attribute;
38 import com.sun.tools.classfile.ClassFile;
39 import com.sun.tools.classfile.Code_attribute;
40 import com.sun.tools.classfile.Method;
42 public class DontGenerateLVTForGNoneOpTest {
44 public static void main(String[] args) throws Exception {
45 new DontGenerateLVTForGNoneOpTest().run();
46 }
48 void run() throws Exception {
49 checkClassFile(new File(Paths.get(System.getProperty("test.classes"),
50 this.getClass().getName() + ".class").toUri()));
51 }
53 void checkClassFile(final File cfile) throws Exception {
54 ClassFile classFile = ClassFile.read(cfile);
55 for (Method method : classFile.methods) {
56 Code_attribute code = (Code_attribute)method.attributes.get(Attribute.Code);
57 if (code != null) {
58 if (code.attributes.get(Attribute.LocalVariableTable) != null) {
59 throw new AssertionError("LVT shouldn't be generated for g:none");
60 }
61 }
62 }
63 }
65 public void bar() {
66 try {
67 System.out.println();
68 } catch(@TA Exception e) {
69 } catch(Throwable t) {}
70 }
72 @Target(ElementType.TYPE_USE)
73 @interface TA {}
74 }