1/*
2 * Copyright (c) 2006, 2015, 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 */
23
24/*
25 * @test
26 * @bug 6472751
27 * @summary SourcePositions.getStartPos returns incorrect value for enum constants
28 * @author Peter Ahe
29 * @modules jdk.compiler/com.sun.tools.javac.util
30 */
31
32import com.sun.source.tree.CompilationUnitTree;
33import com.sun.source.tree.Tree;
34import com.sun.source.tree.Tree.Kind;
35import com.sun.source.util.JavacTask;
36import com.sun.source.util.SourcePositions;
37import com.sun.source.util.TreeScanner;
38import com.sun.source.util.Trees;
39import com.sun.tools.javac.util.List;
40import java.io.IOException;
41import java.net.URI;
42import javax.tools.JavaCompiler;
43import javax.tools.JavaFileObject;
44import javax.tools.SimpleJavaFileObject;
45import javax.tools.ToolProvider;
46
47public class T6472751 {
48    static class MyFileObject extends SimpleJavaFileObject {
49        public MyFileObject() {
50            super(URI.create("myfo:/Test.java"), JavaFileObject.Kind.SOURCE);
51        }
52        public CharSequence getCharContent(boolean ignoreEncodingErrors) {
53            return "public enum Test { ABC, DEF; }";
54        }
55    }
56    static Trees trees;
57    static SourcePositions positions;
58    public static void main(String[] args) throws IOException {
59        JavaCompiler compiler = ToolProvider.getSystemJavaCompiler();
60        JavacTask task = (JavacTask) compiler.getTask(null, null, null, null, null, List.of(new MyFileObject()));
61        trees = Trees.instance(task);
62        positions = trees.getSourcePositions();
63        Iterable<? extends CompilationUnitTree> asts = task.parse();
64        for (CompilationUnitTree ast : asts) {
65            new MyVisitor().scan(ast, null);
66        }
67    }
68
69    static class MyVisitor extends TreeScanner<Void,Void> {
70        @Override
71        public Void scan(Tree node, Void ignored) {
72            if (node == null)
73                return null;
74            Kind k = node.getKind();
75            long pos = positions.getStartPosition(null,node);
76            System.out.format("%s: %s%n", k, pos);
77            if (k != Kind.MODIFIERS && pos < 0)
78                throw new Error("unexpected position found");
79            return super.scan(node, ignored);
80        }
81    }
82}
83