Thu, 10 Oct 2013 14:58:04 +0200
8001931: The new build system whitespace cleanup
Reviewed-by: tbell, simonis, erikj
1 /*
2 * Copyright (c) 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 8023835
27 * @summary Verify that TreeMaker.QualIdent(Symbol) field access cascade ends with
28 * the top-level package (when no toplevel is set in TreeMaker)
29 * @run main MakeQualIdent
30 */
32 import com.sun.source.tree.IdentifierTree;
33 import com.sun.source.tree.MemberSelectTree;
34 import com.sun.source.tree.Tree;
35 import com.sun.source.util.JavacTask;
36 import com.sun.source.util.TreeScanner;
37 import com.sun.tools.javac.api.JavacTaskImpl;
38 import com.sun.tools.javac.api.JavacTool;
39 import com.sun.tools.javac.code.Symtab;
40 import com.sun.tools.javac.tree.TreeMaker;
41 import com.sun.tools.javac.util.Context;
42 import java.util.ArrayList;
44 public class MakeQualIdent {
45 public static void main(String... args) throws Exception {
46 JavacTool tool = JavacTool.create();
47 JavacTask task = tool.getTask(null, null, null, new ArrayList<String>(), null, null);
48 Context ctx = ((JavacTaskImpl)task).getContext();
49 TreeMaker treeMaker = TreeMaker.instance(ctx);
50 Symtab syms = Symtab.instance(ctx);
52 String stringTree = printTree(treeMaker.QualIdent(syms.stringType.tsym));
54 if (!"java.lang.String".equals(stringTree)) {
55 throw new IllegalStateException(stringTree);
56 }
57 }
59 private static String printTree(Tree tree) {
60 final StringBuilder result = new StringBuilder();
62 new TreeScanner<Void, Void>() {
63 @Override public Void visitIdentifier(IdentifierTree node, Void p) {
64 result.append(node.getName());
65 return super.visitIdentifier(node, p);
66 }
67 @Override public Void visitMemberSelect(MemberSelectTree node, Void p) {
68 scan(node.getExpression(), null);
69 result.append(".");
70 result.append(node.getIdentifier());
71 return null;
72 }
73 }.scan(tree, null);
75 return result.toString();
76 }
77 }