Tue, 02 Feb 2010 10:56:10 -0800
6918625: handle annotations on array class literals
Reviewed-by: jjg, darcy
Contributed-by: mali@csail.mit.edu, mernst@cs.washington.edu
1 /*
2 * Copyright 2010 Sun Microsystems, Inc. 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 Sun Microsystems, Inc., 4150 Network Circle, Santa Clara,
20 * CA 95054 USA or visit www.sun.com if you need additional information or
21 * have any questions.
22 */
24 /*
25 * @test
26 * @bug 6855236
27 * @summary Compiler Tree API TreePath class generates NullPointerException from Iterator
28 * @compile T6855236.java
29 * @compile -processor T6855236 -proc:only T6855236.java
30 */
32 import java.util.*;
34 import javax.annotation.processing.*;
35 import javax.lang.model.*;
36 import javax.lang.model.element.*;
38 import com.sun.source.tree.*;
39 import com.sun.source.util.*;
41 @SupportedSourceVersion(SourceVersion.RELEASE_6)
42 @SupportedAnnotationTypes("*")
43 public class T6855236 extends AbstractProcessor {
45 private Trees trees;
47 @Override
48 public void init(ProcessingEnvironment pe) {
49 super.init(pe);
50 trees = Trees.instance(pe);
51 }
53 @Override
54 public boolean process(Set<? extends TypeElement> arg0, RoundEnvironment roundEnvironment) {
55 // Scanner class to scan through various component elements
56 CodeVisitor visitor = new CodeVisitor();
58 for (Element e : roundEnvironment.getRootElements()) {
59 TreePath tp = trees.getPath(e);
60 visitor.scan(tp, trees);
61 }
63 return true;
64 }
66 class CodeVisitor extends TreePathScanner<Object, Trees> {
68 @Override
69 public Object visitMethodInvocation(MethodInvocationTree node, Trees p) {
70 System.out.print("current path: ");
71 for (Tree t : getCurrentPath()) {
72 System.out.print('/');
73 System.out.print(t);
74 }
75 System.out.println();
76 System.out.println("parent path: " + getCurrentPath().getParentPath());
77 System.out.println("method select: " + node.getMethodSelect().toString());
78 for (ExpressionTree arg : node.getArguments()) {
79 System.out.println("argument: " + arg.toString());
80 }
81 return super.visitMethodInvocation(node, p);
82 }
84 @Override
85 public Object visitExpressionStatement(ExpressionStatementTree node, Trees p) {
86 ExpressionTree t = node.getExpression();
87 System.out.println("expression statement: " + t.toString());
88 return super.visitExpressionStatement(node, p);
89 }
91 }
93 }