Sat, 22 Dec 2018 13:10:38 -0800
Added tag jdk8u202-b25 for changeset 15d8c732039b
aoqi@0 | 1 | /* |
aoqi@0 | 2 | * Copyright (c) 2013, Oracle and/or its affiliates. All rights reserved. |
aoqi@0 | 3 | * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. |
aoqi@0 | 4 | * |
aoqi@0 | 5 | * This code is free software; you can redistribute it and/or modify it |
aoqi@0 | 6 | * under the terms of the GNU General Public License version 2 only, as |
aoqi@0 | 7 | * published by the Free Software Foundation. |
aoqi@0 | 8 | * |
aoqi@0 | 9 | * This code is distributed in the hope that it will be useful, but WITHOUT |
aoqi@0 | 10 | * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or |
aoqi@0 | 11 | * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License |
aoqi@0 | 12 | * version 2 for more details (a copy is included in the LICENSE file that |
aoqi@0 | 13 | * accompanied this code). |
aoqi@0 | 14 | * |
aoqi@0 | 15 | * You should have received a copy of the GNU General Public License version |
aoqi@0 | 16 | * 2 along with this work; if not, write to the Free Software Foundation, |
aoqi@0 | 17 | * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. |
aoqi@0 | 18 | * |
aoqi@0 | 19 | * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA |
aoqi@0 | 20 | * or visit www.oracle.com if you need additional information or have any |
aoqi@0 | 21 | * questions. |
aoqi@0 | 22 | */ |
aoqi@0 | 23 | |
aoqi@0 | 24 | /* |
aoqi@0 | 25 | * @test |
aoqi@0 | 26 | * @bug 8023835 |
aoqi@0 | 27 | * @summary Verify that TreeMaker.QualIdent(Symbol) field access cascade ends with |
aoqi@0 | 28 | * the top-level package (when no toplevel is set in TreeMaker) |
aoqi@0 | 29 | * @run main MakeQualIdent |
aoqi@0 | 30 | */ |
aoqi@0 | 31 | |
aoqi@0 | 32 | import com.sun.source.tree.IdentifierTree; |
aoqi@0 | 33 | import com.sun.source.tree.MemberSelectTree; |
aoqi@0 | 34 | import com.sun.source.tree.Tree; |
aoqi@0 | 35 | import com.sun.source.util.JavacTask; |
aoqi@0 | 36 | import com.sun.source.util.TreeScanner; |
aoqi@0 | 37 | import com.sun.tools.javac.api.JavacTaskImpl; |
aoqi@0 | 38 | import com.sun.tools.javac.api.JavacTool; |
aoqi@0 | 39 | import com.sun.tools.javac.code.Symtab; |
aoqi@0 | 40 | import com.sun.tools.javac.tree.TreeMaker; |
aoqi@0 | 41 | import com.sun.tools.javac.util.Context; |
aoqi@0 | 42 | import java.util.ArrayList; |
aoqi@0 | 43 | |
aoqi@0 | 44 | public class MakeQualIdent { |
aoqi@0 | 45 | public static void main(String... args) throws Exception { |
aoqi@0 | 46 | JavacTool tool = JavacTool.create(); |
aoqi@0 | 47 | JavacTask task = tool.getTask(null, null, null, new ArrayList<String>(), null, null); |
aoqi@0 | 48 | Context ctx = ((JavacTaskImpl)task).getContext(); |
aoqi@0 | 49 | TreeMaker treeMaker = TreeMaker.instance(ctx); |
aoqi@0 | 50 | Symtab syms = Symtab.instance(ctx); |
aoqi@0 | 51 | |
aoqi@0 | 52 | String stringTree = printTree(treeMaker.QualIdent(syms.stringType.tsym)); |
aoqi@0 | 53 | |
aoqi@0 | 54 | if (!"java.lang.String".equals(stringTree)) { |
aoqi@0 | 55 | throw new IllegalStateException(stringTree); |
aoqi@0 | 56 | } |
aoqi@0 | 57 | } |
aoqi@0 | 58 | |
aoqi@0 | 59 | private static String printTree(Tree tree) { |
aoqi@0 | 60 | final StringBuilder result = new StringBuilder(); |
aoqi@0 | 61 | |
aoqi@0 | 62 | new TreeScanner<Void, Void>() { |
aoqi@0 | 63 | @Override public Void visitIdentifier(IdentifierTree node, Void p) { |
aoqi@0 | 64 | result.append(node.getName()); |
aoqi@0 | 65 | return super.visitIdentifier(node, p); |
aoqi@0 | 66 | } |
aoqi@0 | 67 | @Override public Void visitMemberSelect(MemberSelectTree node, Void p) { |
aoqi@0 | 68 | scan(node.getExpression(), null); |
aoqi@0 | 69 | result.append("."); |
aoqi@0 | 70 | result.append(node.getIdentifier()); |
aoqi@0 | 71 | return null; |
aoqi@0 | 72 | } |
aoqi@0 | 73 | }.scan(tree, null); |
aoqi@0 | 74 | |
aoqi@0 | 75 | return result.toString(); |
aoqi@0 | 76 | } |
aoqi@0 | 77 | } |