Java example source code file (T6431879.java)

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Java - Java tags/keywords

compilationunittree, dependencyscanner, ioexception, iterable, javactask, javactool, javafileobject, standardjavafilemanager, string, t6431879, treepathscanner, treescanner, util

The T6431879.java Java example source code

/*
 * Copyright (c) 2006, Oracle and/or its affiliates. All rights reserved.
 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
 *
 * This code is free software; you can redistribute it and/or modify it
 * under the terms of the GNU General Public License version 2 only, as
 * published by the Free Software Foundation.
 *
 * This code is distributed in the hope that it will be useful, but WITHOUT
 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
 * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
 * version 2 for more details (a copy is included in the LICENSE file that
 * accompanied this code).
 *
 * You should have received a copy of the GNU General Public License version
 * 2 along with this work; if not, write to the Free Software Foundation,
 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
 *
 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
 * or visit www.oracle.com if you need additional information or have any
 * questions.
 */

/*
 * @test
 * @bug 6431879
 * @summary TreePathSCanner(CompilationUnitTree tree, P p) overloading forces use of most specific type
 */

import java.io.*;
import java.util.*;
import javax.tools.*;
import com.sun.source.tree.*;
import com.sun.source.util.*;
import com.sun.tools.javac.api.*;

public class T6431879 {
    public static void main(String... args) throws IOException {
        String testSrc = System.getProperty("test.src", ".");
        String testClasses = System.getProperty("test.classes", ".");
        JavacTool tool = JavacTool.create();
        StandardJavaFileManager fm = tool.getStandardFileManager(null, null, null);
        Iterable<? extends JavaFileObject> files =
            fm.getJavaFileObjectsFromFiles(Arrays.asList(new File(testSrc, T6431879.class.getName()+".java")));
        JavacTask task = tool.getTask(null, fm, null, null, null, files);
        Iterable<? extends CompilationUnitTree> trees = task.parse();
        TreeScanner<Void,Trees> dependencyScanner = new DependencyScanner();
        Trees treeUtil = Trees.instance(task);
        for (CompilationUnitTree unit : trees) {
            //System.err.println("scan " + unit);
            dependencyScanner.scan(unit, treeUtil);
        }

    }

    private static class DependencyScanner<R,P> extends TreePathScanner {
        public R visitIdentifier(IdentifierTree tree, P p) {
            //System.err.println(tree);
            return null;
        }
    }
}