/*

 * Copyright (c) 2010, 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 6935638

 * @summary -implicit:none prevents compilation with annotation processing

 */

import java.io.*;

import java.util.*;

import javax.annotation.processing.*;

import javax.lang.model.*;

import javax.lang.model.element.*;

@SupportedAnnotationTypes("*")

public class TestImplicitNone extends AbstractProcessor {

    public static void main(String... args) throws Exception {

        new TestImplicitNone().run();

    }

    void run() throws Exception {

        File classesDir = new File("tmp", "classes");

        classesDir.mkdirs();

        File test_java = new File(new File("tmp", "src"), "Test.java");

        writeFile(test_java, "class Test { }");

        // build up list of options and files to be compiled

        List<String> opts = new ArrayList<String>();

        List<File> files = new ArrayList<File>();

        opts.add("-d");

        opts.add(classesDir.getPath());

        opts.add("-processorpath");

        opts.add(System.getProperty("test.classes"));

        opts.add("-implicit:none");

        opts.add("-processor");

        opts.add(TestImplicitNone.class.getName());

        files.add(test_java);

        compile(opts, files);

        File test_class = new File(classesDir, "Test.class");

        if (!test_class.exists())

            throw new Exception("Test.class not generated");

    }

    /** Compile files with options provided. */

    void compile(List<String> opts, List<File> files) throws Exception {

        System.err.println("javac: " + opts + " " + files);

        List<String> args = new ArrayList<String>();

        args.addAll(opts);

        for (File f: files)

            args.add(f.getPath());

        StringWriter sw = new StringWriter();

        PrintWriter pw = new PrintWriter(sw);

        int rc = com.sun.tools.javac.Main.compile(args.toArray(new String[args.size()]), pw);

        pw.flush();

        if (sw.getBuffer().length() > 0)

            System.err.println(sw.toString());

        if (rc != 0)

            throw new Exception("compilation failed: rc=" + rc);

    }

    /** Write a file with a given body. */

    void writeFile(File f, String body) throws Exception {

        if (f.getParentFile() != null)

            f.getParentFile().mkdirs();

        Writer out = new FileWriter(f);

        try {

            out.write(body);

        } finally {

            out.close();

        }

    }

    //----- annotation processor methods -----

    public boolean process(Set<? extends TypeElement> annotations,

                         RoundEnvironment roundEnv) {

        return true;

    }

    @Override

    public SourceVersion getSupportedSourceVersion() {

        return SourceVersion.latest();

    }

}