Mon, 16 Sep 2013 14:13:44 +0200
8021112: Spurious unchecked warning reported by javac
6480588: No way to suppress deprecation warnings when implementing deprecated interface
Summary: Fixing DeferredLintHandler configuration, so lint warnings are reported with correct @SuppressWarnings settings
Reviewed-by: jjg, vromero
1 /*
2 * Copyright (c) 2010, 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 8008174
27 * @summary proper source positions for doc comments
28 * @build TestPosition
29 * @compile/ref=TestPosition.out -processor TestPosition -proc:only TestPositionSource.java
30 */
32 import com.sun.source.doctree.DocCommentTree;
33 import com.sun.source.doctree.DocTree;
34 import com.sun.source.tree.MethodTree;
35 import com.sun.source.util.DocSourcePositions;
36 import com.sun.source.util.DocTreeScanner;
37 import com.sun.source.util.DocTrees;
38 import com.sun.source.util.TreePath;
39 import com.sun.source.util.TreePathScanner;
40 import java.io.IOException;
41 import java.util.Set;
42 import javax.annotation.processing.*;
43 import javax.lang.model.*;
44 import javax.lang.model.element.*;
46 @SupportedAnnotationTypes("*")
47 public class TestPosition extends AbstractProcessor {
49 @Override
50 public boolean process(Set<? extends TypeElement> annotations, RoundEnvironment roundEnv) {
51 TypeElement source = processingEnv.getElementUtils().getTypeElement("TestPositionSource");
53 if (source == null) throw new IllegalStateException();
55 if (!roundEnv.getRootElements().contains(source)) return false;
57 final DocTrees trees = DocTrees.instance(processingEnv);
58 final TreePath testElement = trees.getPath(source);
60 if (testElement == null) throw new IllegalStateException();
62 String code;
64 try {
65 code = testElement.getCompilationUnit().getSourceFile().getCharContent(false).toString();
66 } catch ( IOException ex) {
67 throw new IllegalStateException(ex);
68 }
70 new TreePathScanner<Void, Void>() {
71 @Override public Void visitMethod(MethodTree node, Void p) {
72 final DocCommentTree docCommentTree = trees.getDocCommentTree(getCurrentPath());
74 if (docCommentTree != null) {
75 System.out.println(node.getName() + ":");
76 new DocTreeScanner<Void, Void>() {
77 @Override public Void scan(DocTree node, Void p) {
78 if (node != null) {
79 DocSourcePositions sp = (DocSourcePositions) trees.getSourcePositions(); //XXX: the cast???
80 int start = (int) sp.getStartPosition(testElement.getCompilationUnit(), docCommentTree, node);
81 int end = (int) sp.getEndPosition(testElement.getCompilationUnit(), docCommentTree, node);
82 String snippet = code.substring(start, end).replace(" \n", "!trailing-whitespace!\n");
84 if (snippet.endsWith(" ")) {
85 snippet = snippet.substring(0, snippet.length() - 1) + "!trailing-whitespace!";
86 }
87 System.out.println(node.getKind().name() + ":" + snippet);
88 }
89 return super.scan(node, p);
90 }
91 }.scan(docCommentTree, null);
92 }
94 return super.visitMethod(node, p);
95 }
96 }.scan(testElement, null);
98 return false;
99 }
101 @Override
102 public SourceVersion getSupportedSourceVersion() {
103 return SourceVersion.latest();
104 }
105 }