t6358786.java

来自「是一款用JAVA 编写的编译器 具有很强的编译功能」· Java 代码 · 共 60 行

/*
 * Copyright 2005-2006 Sun Microsystems, Inc.  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 Sun Microsystems, Inc., 4150 Network Circle, Santa Clara,
 * CA 95054 USA or visit www.sun.com if you need additional information or
 * have any questions.
 */

/*
 * @test
 * @bug     6358786
 * @summary Doccomments are not returned from Tree API
 * @author  Peter von der Ah\u00e9
 * @run main T6358786 T6358786.java
 */

import com.sun.tools.javac.api.JavacTaskImpl;
import com.sun.tools.javac.util.JavacFileManager;
import java.util.Arrays;

import javax.lang.model.util.Elements;
import java.io.*;
import javax.lang.model.element.TypeElement;
import javax.tools.*;

/**
 * Tests that doccomments are available from the Tree API.
 */
public class T6358786 {
    public static void main(String... args) throws IOException {
        JavaCompiler tool = ToolProvider.getSystemJavaCompiler();
        StandardJavaFileManager fm = tool.getStandardFileManager(null, null, null);
        String srcdir = System.getProperty("test.src");
        File file = new File(srcdir, args[0]);
        JavacTaskImpl task = (JavacTaskImpl)tool.getTask(null, fm, null, null, null, fm.getJavaFileObjectsFromFiles(Arrays.asList(file)));
	Elements elements = task.getElements();
        for (TypeElement clazz : task.enter(task.parse())) {
            String doc = elements.getDocComment(clazz);
	    if (doc == null)
		throw new AssertionError(clazz.getSimpleName() + ": no doc comment");
	    System.out.format("%s: %s%n", clazz.getSimpleName(), doc);
	}
    }
}