Mercurial > jdk8-mips64-public > langtools / file comparison
comparison: test/tools/javac/tree/MakeQualIdent.java
test/tools/javac/tree/MakeQualIdent.java
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| 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 */ | |
| 23 | |
| 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 */ | |
| 31 | |
| 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; | |
| 43 | |
| 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); | |
| 51 | |
| 52 String stringTree = printTree(treeMaker.QualIdent(syms.stringType.tsym)); | |
| 53 | |
| 54 if (!"java.lang.String".equals(stringTree)) { | |
| 55 throw new IllegalStateException(stringTree); | |
| 56 } | |
| 57 } | |
| 58 | |
| 59 private static String printTree(Tree tree) { | |
| 60 final StringBuilder result = new StringBuilder(); | |
| 61 | |
| 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); | |
| 74 | |
| 75 return result.toString(); | |
| 76 } | |
| 77 } |
