82 lines
3.1 KiB
Java
82 lines
3.1 KiB
Java
/*
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* Copyright (c) 2013, 2015, Oracle and/or its affiliates. All rights reserved.
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* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
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*
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* This code is free software; you can redistribute it and/or modify it
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* under the terms of the GNU General Public License version 2 only, as
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* published by the Free Software Foundation.
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*
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* This code is distributed in the hope that it will be useful, but WITHOUT
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* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
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* version 2 for more details (a copy is included in the LICENSE file that
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* accompanied this code).
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*
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* You should have received a copy of the GNU General Public License version
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* 2 along with this work; if not, write to the Free Software Foundation,
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* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
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*
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* Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
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* or visit www.oracle.com if you need additional information or have any
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* questions.
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*/
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/*
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* @test
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* @bug 8023835
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* @summary Verify that TreeMaker.QualIdent(Symbol) field access cascade ends with
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* the top-level package (when no toplevel is set in TreeMaker)
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* @modules jdk.compiler/com.sun.tools.javac.api
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* jdk.compiler/com.sun.tools.javac.code
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* jdk.compiler/com.sun.tools.javac.tree
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* jdk.compiler/com.sun.tools.javac.util
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* @run main MakeQualIdent
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*/
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import com.sun.source.tree.IdentifierTree;
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import com.sun.source.tree.MemberSelectTree;
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import com.sun.source.tree.Tree;
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import com.sun.source.util.JavacTask;
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import com.sun.source.util.TreeScanner;
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import com.sun.tools.javac.api.JavacTaskImpl;
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import com.sun.tools.javac.api.JavacTool;
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import com.sun.tools.javac.code.Symtab;
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import com.sun.tools.javac.tree.TreeMaker;
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import com.sun.tools.javac.util.Context;
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import java.util.ArrayList;
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public class MakeQualIdent {
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public static void main(String... args) throws Exception {
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JavacTool tool = JavacTool.create();
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JavacTask task = tool.getTask(null, null, null, new ArrayList<String>(), null, null);
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Context ctx = ((JavacTaskImpl)task).getContext();
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TreeMaker treeMaker = TreeMaker.instance(ctx);
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Symtab syms = Symtab.instance(ctx);
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String stringTree = printTree(treeMaker.QualIdent(syms.stringType.tsym));
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if (!"java.lang.String".equals(stringTree)) {
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throw new IllegalStateException(stringTree);
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}
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}
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private static String printTree(Tree tree) {
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final StringBuilder result = new StringBuilder();
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new TreeScanner<Void, Void>() {
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@Override public Void visitIdentifier(IdentifierTree node, Void p) {
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result.append(node.getName());
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return super.visitIdentifier(node, p);
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}
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@Override public Void visitMemberSelect(MemberSelectTree node, Void p) {
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scan(node.getExpression(), null);
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result.append(".");
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result.append(node.getIdentifier());
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return null;
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}
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}.scan(tree, null);
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return result.toString();
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}
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}
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