Mon, 17 Oct 2011 12:54:33 +0100
7097436: Project Coin: duplicate varargs warnings on method annotated with @SafeVarargs
Summary: Duplicate aliasing check during subtyping leads to spurious varargs diagnostic
Reviewed-by: jjg
jjg@930 | 1 | /* |
katleman@1013 | 2 | * Copyright (c) 2011, Oracle and/or its affiliates. All rights reserved. |
jjg@930 | 3 | * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. |
jjg@930 | 4 | * |
jjg@930 | 5 | * This code is free software; you can redistribute it and/or modify it |
jjg@930 | 6 | * under the terms of the GNU General Public License version 2 only, as |
jjg@930 | 7 | * published by the Free Software Foundation. |
jjg@930 | 8 | * |
jjg@930 | 9 | * This code is distributed in the hope that it will be useful, but WITHOUT |
jjg@930 | 10 | * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or |
jjg@930 | 11 | * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License |
jjg@930 | 12 | * version 2 for more details (a copy is included in the LICENSE file that |
jjg@930 | 13 | * accompanied this code). |
jjg@930 | 14 | * |
jjg@930 | 15 | * You should have received a copy of the GNU General Public License version |
jjg@930 | 16 | * 2 along with this work; if not, write to the Free Software Foundation, |
jjg@930 | 17 | * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. |
jjg@930 | 18 | * |
jjg@930 | 19 | * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA |
jjg@930 | 20 | * or visit www.oracle.com if you need additional information or have any |
jjg@930 | 21 | * questions. |
jjg@930 | 22 | */ |
jjg@930 | 23 | |
jjg@930 | 24 | /* |
jjg@930 | 25 | * @test |
jjg@930 | 26 | * @bug 7026509 |
jjg@930 | 27 | * @summary Cannot use JavaCompiler to create multiple CompilationTasks for partial compilations |
jjg@930 | 28 | */ |
jjg@930 | 29 | |
jjg@930 | 30 | import java.io.*; |
jjg@930 | 31 | import java.util.*; |
jjg@930 | 32 | import javax.lang.model.element.*; |
jjg@930 | 33 | import javax.tools.*; |
jjg@930 | 34 | import com.sun.source.tree.*; |
jjg@930 | 35 | import com.sun.source.util.*; |
jjg@930 | 36 | |
jjg@930 | 37 | public class TestJavacTask_ParseAttrGen { |
jjg@930 | 38 | public static void main(String... args) throws Exception { |
jjg@930 | 39 | new TestJavacTask_ParseAttrGen().run(); |
jjg@930 | 40 | } |
jjg@930 | 41 | |
jjg@930 | 42 | JavaCompiler comp; |
jjg@930 | 43 | StandardJavaFileManager fm; |
jjg@930 | 44 | |
jjg@930 | 45 | void run() throws Exception { |
jjg@930 | 46 | comp = ToolProvider.getSystemJavaCompiler(); |
jjg@930 | 47 | fm = comp.getStandardFileManager(null, null, null); |
jjg@930 | 48 | |
jjg@930 | 49 | final boolean[] booleanValues = { false, true }; |
jjg@930 | 50 | for (boolean pk: booleanValues) { |
jjg@930 | 51 | for (boolean ak: booleanValues) { |
jjg@930 | 52 | for (boolean gk: booleanValues) { |
jjg@930 | 53 | test(pk, ak, gk); |
jjg@930 | 54 | } |
jjg@930 | 55 | } |
jjg@930 | 56 | } |
jjg@930 | 57 | } |
jjg@930 | 58 | |
jjg@930 | 59 | void test(boolean pk, boolean ak, boolean gk) throws Exception { |
jjg@930 | 60 | if (!pk && !ak && !gk) // nothing to do |
jjg@930 | 61 | return; |
jjg@930 | 62 | |
jjg@930 | 63 | System.err.println("test: pk:" + pk + ", ak:" + ak + ", gk: " + gk); |
jjg@930 | 64 | File testSrc = new File(System.getProperty("test.src")); |
jjg@930 | 65 | String thisClassName = TestJavacTask_ParseAttrGen.class.getName(); |
jjg@930 | 66 | Iterable<? extends JavaFileObject> files = |
jjg@930 | 67 | fm.getJavaFileObjects(new File(testSrc, thisClassName + ".java")); |
jjg@930 | 68 | File tmpDir = new File((pk ? "p" : "") + (ak ? "a" : "") + (gk ? "g" : "")); |
jjg@930 | 69 | tmpDir.mkdirs(); |
jjg@930 | 70 | fm.setLocation(StandardLocation.CLASS_OUTPUT, Arrays.asList(tmpDir)); |
jjg@930 | 71 | JavacTask t = (JavacTask) comp.getTask(null, fm, null, null, null, files); |
jjg@930 | 72 | //t.setTaskListener(createTaskListener()); |
jjg@930 | 73 | |
jjg@930 | 74 | try { |
jjg@930 | 75 | if (pk) { |
jjg@930 | 76 | Iterable<? extends CompilationUnitTree> trees = t.parse(); |
jjg@930 | 77 | System.err.println(count(trees) + " trees parsed"); |
jjg@930 | 78 | } |
jjg@930 | 79 | |
jjg@930 | 80 | if (ak) { |
jjg@930 | 81 | Iterable<? extends Element> elems = t.analyze(); |
jjg@930 | 82 | System.err.println(count(elems) + " elements analyzed"); |
jjg@930 | 83 | } |
jjg@930 | 84 | |
jjg@930 | 85 | if (gk) { |
jjg@930 | 86 | Iterable<? extends JavaFileObject> classfiles = t.generate(); |
jjg@930 | 87 | System.err.println(count(classfiles) + " class files generated"); |
jjg@930 | 88 | } |
jjg@930 | 89 | } catch (IOException e) { |
jjg@930 | 90 | error("unexpected exception caught: " + e); |
jjg@930 | 91 | } |
jjg@930 | 92 | |
jjg@930 | 93 | File[] genFiles = tmpDir.listFiles(); |
jjg@930 | 94 | int expect = (gk ? 2 : 0); // main class and anon class for TaskListener |
jjg@930 | 95 | if (genFiles.length != expect) |
jjg@930 | 96 | error("unexpected number of files generated: " + genFiles.length |
jjg@930 | 97 | + ", expected: " + expect); |
jjg@930 | 98 | |
jjg@930 | 99 | System.err.println(); |
jjg@930 | 100 | } |
jjg@930 | 101 | |
jjg@930 | 102 | TaskListener createTaskListener() { |
jjg@930 | 103 | return new TaskListener() { |
jjg@930 | 104 | public void started(TaskEvent e) { |
jjg@930 | 105 | System.err.println(e + " started"); |
jjg@930 | 106 | } |
jjg@930 | 107 | |
jjg@930 | 108 | public void finished(TaskEvent e) { |
jjg@930 | 109 | System.err.println(e + " finished"); |
jjg@930 | 110 | } |
jjg@930 | 111 | }; |
jjg@930 | 112 | } |
jjg@930 | 113 | |
jjg@930 | 114 | <T> int count(Iterable<T> items) { |
jjg@930 | 115 | int count = 0; |
jjg@930 | 116 | for (T item: items) |
jjg@930 | 117 | count++; |
jjg@930 | 118 | return count; |
jjg@930 | 119 | } |
jjg@930 | 120 | |
jjg@930 | 121 | void error(String msg) { |
jjg@930 | 122 | System.err.println("Error: " + msg); |
jjg@930 | 123 | errors++; |
jjg@930 | 124 | } |
jjg@930 | 125 | |
jjg@930 | 126 | int errors; |
jjg@930 | 127 | } |