Fri, 10 Dec 2010 15:24:17 +0000
6199075: Unambiguous varargs method calls flagged as ambiguous
Summary: javac does not implement overload resolution w.r.t. varargs methods as described in the JLS
Reviewed-by: jjg
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 6956462
27 * @summary AssertionError exception throws in the Compiler Tree API in JDK 7.
28 *
29 * @build TestClass T6956462
30 * @run main T6956462
31 */
33 import java.io.*;
34 import java.net.URISyntaxException;
35 import java.util.*;
36 import javax.tools.*;
37 import javax.tools.JavaCompiler.CompilationTask;
38 import com.sun.source.tree.*;
39 import com.sun.source.util.*;
41 public class T6956462 {
42 public static void main(String[] args) throws Exception {
43 JavaCompiler compiler = ToolProvider.getSystemJavaCompiler();
44 if (compiler == null) {
45 throw new RuntimeException("can't get javax.tools.JavaCompiler!");
46 }
47 StandardJavaFileManager fm = compiler.getStandardFileManager(null, null, null);
48 List<File> files = new ArrayList<File>();
49 files.add(new File(T6956462.class.getResource("TestClass.java").toURI()));
50 final CompilationTask task = compiler.getTask(null, fm, null,
51 null, null, fm.getJavaFileObjectsFromFiles(files));
52 JavacTask javacTask = (JavacTask) task;
53 for (CompilationUnitTree cu : javacTask.parse()) {
54 cu.accept(new MyVisitor(javacTask), null);
55 }
56 }
58 private static class MyVisitor extends SimpleTreeVisitor<Tree, Void> {
59 private final Trees trees;
60 private CompilationUnitTree file;
62 private MyVisitor(JavacTask javac) {
63 this.trees = Trees.instance(javac);
64 }
66 @Override
67 public Tree visitCompilationUnit(CompilationUnitTree file, Void v) {
68 this.file = file;
69 for (Tree typeDecl : file.getTypeDecls()) {
70 typeDecl.accept(this, v);
71 }
72 return null;
73 }
75 @Override
76 public Tree visitImport(ImportTree imp, Void v) {
77 return null;
78 }
80 @Override
81 public Tree visitMethodInvocation(MethodInvocationTree invoke, Void v) {
82 invoke.getMethodSelect().accept(this, v);
83 return null;
84 }
86 @Override
87 public Tree visitBlock(BlockTree block, Void v) {
88 for (StatementTree stat : block.getStatements()) {
89 stat.accept(this, v);
90 }
91 return null;
92 }
94 @Override
95 public Tree visitClass(ClassTree clazz, Void v) {
96 for (Tree member : clazz.getMembers()) {
97 member.accept(this, v);
98 }
99 return null;
100 }
102 @Override
103 public Tree visitIdentifier(IdentifierTree ident, Void v) {
104 trees.getScope(trees.getPath(file, ident));
105 return null;
106 }
108 @Override
109 public Tree visitMethod(MethodTree method, Void v) {
110 method.getBody().accept(this, v);
111 return null;
112 }
114 @Override
115 public Tree visitMemberSelect(MemberSelectTree select, Void v) {
116 select.getExpression().accept(this, v);
117 return null;
118 }
120 @Override
121 public Tree visitVariable(VariableTree var, Void v) {
122 var.getInitializer().accept(this, v);
123 return null;
124 }
125 }
126 }