Tue, 10 Apr 2012 08:15:25 -0700
7074397: Build infrastructure changes (makefile re-write)
Summary: New makefiles transition, old and new living side by side for now.
Reviewed-by: ohair, jjg, dholmes, ohrstrom, erikj, ihse, tgranat, ykantser
Contributed-by: ohrstrom <fredrik.ohrstrom@oracle.com>, erikj <erik.joelsson@oracle.com>, ihse <magnus.ihse.bursie@oracle.com>, tgranat <torbjorn.granat@oracle.com>, ykantser <yekaterina.kantserova@oracle.com>
1 /*
2 * Copyright (c) 2010, 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 6943289
27 * @summary Project Coin: Improved Exception Handling for Java (aka 'multicatch')
28 * @run main Pos05
29 */
31 import com.sun.tools.classfile.Attribute;
32 import com.sun.tools.classfile.ClassFile;
33 import com.sun.tools.classfile.Code_attribute;
34 import com.sun.tools.classfile.Code_attribute.Exception_data;
35 import com.sun.tools.classfile.Method;
36 import java.io.*;
38 public class Pos05 {
40 static class Pos05sub {
42 class A extends Exception {}
43 class B extends Exception {}
44 class C extends Exception {}
46 void test(boolean b1, boolean b2) {
47 try {
48 if (b1) {
49 throw new A();
50 }
51 else if (b2) {
52 throw new B();
53 }
54 else {
55 throw new C();
56 }
57 }
58 catch (final A | B | C ex) {
59 System.out.println("Exception caught");
60 }
61 }
62 }
64 static final int TYPES_IN_MULTICATCH = 3;
65 static final String SUBTEST_NAME = Pos05sub.class.getName() + ".class";
66 static final String TEST_METHOD_NAME = "test";
68 public static void main(String... args) throws Exception {
69 new Pos05().run();
70 }
72 public void run() throws Exception {
73 String workDir = System.getProperty("test.classes");
74 File compiledTest = new File(workDir, SUBTEST_NAME);
75 verifyMulticatchExceptionRanges(compiledTest);
76 }
78 void verifyMulticatchExceptionRanges(File f) {
79 System.err.println("verify: " + f);
80 try {
81 int count = 0;
82 ClassFile cf = ClassFile.read(f);
83 Method testMethod = null;
84 for (Method m : cf.methods) {
85 if (m.getName(cf.constant_pool).equals(TEST_METHOD_NAME)) {
86 testMethod = m;
87 break;
88 }
89 }
90 if (testMethod == null) {
91 throw new Error("Test method not found");
92 }
93 Code_attribute ea = (Code_attribute)testMethod.attributes.get(Attribute.Code);
94 if (testMethod == null) {
95 throw new Error("Code attribute for test() method not found");
96 }
97 Exception_data firstExceptionTable = null;
98 for (int i = 0 ; i < ea.exception_table_langth; i++) {
99 if (firstExceptionTable == null) {
100 firstExceptionTable = ea.exception_table[i];
101 }
102 if (ea.exception_table[i].handler_pc != firstExceptionTable.handler_pc ||
103 ea.exception_table[i].start_pc != firstExceptionTable.start_pc ||
104 ea.exception_table[i].end_pc != firstExceptionTable.end_pc) {
105 throw new Error("Multiple overlapping catch clause found in generated code");
106 }
107 count++;
108 }
109 if (count != TYPES_IN_MULTICATCH) {
110 throw new Error("Wrong number of exception data found: " + count);
111 }
112 } catch (Exception e) {
113 e.printStackTrace();
114 throw new Error("error reading " + f +": " + e);
115 }
116 }
117 }