/*

 * Copyright (c) 2006, 2014, 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

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 * questions.

 */

/*

 * @test

 * @bug 6412669 6997958

 * @summary Should be able to get SourcePositions from 269 world

 */

import java.io.*;

import java.net.*;

import java.util.*;

import javax.annotation.*;

import javax.annotation.processing.*;

import javax.lang.model.*;

import javax.lang.model.element.*;

import javax.tools.*;

import com.sun.source.util.*;

import com.sun.tools.javac.api.*;

@SupportedAnnotationTypes("*")

public class T6412669 extends AbstractProcessor {

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

        File testSrc = new File(System.getProperty("test.src", "."));

        File testClasses = new File(System.getProperty("test.classes", "."));

        JavacTool tool = JavacTool.create();

        try (StandardJavaFileManager fm = tool.getStandardFileManager(null, null, null)) {

            fm.setLocation(StandardLocation.CLASS_PATH, Arrays.asList(testClasses));

            Iterable<? extends JavaFileObject> files =

                fm.getJavaFileObjectsFromFiles(Arrays.asList(new File(testSrc, T6412669.class.getName()+".java")));

            String[] opts = { "-proc:only", "-processor", T6412669.class.getName()};

            StringWriter sw = new StringWriter();

            JavacTask task = tool.getTask(sw, fm, null, Arrays.asList(opts), null, files);

            boolean ok = task.call();

            String out = sw.toString();

            if (!out.isEmpty())

                System.err.println(out);

            if (!ok)

                throw new AssertionError("compilation of test program failed");

            // verify we found an annotated element to exercise the SourcePositions API

            if (!out.contains("processing element"))

                throw new AssertionError("expected text not found in compilation output");

        }

    }

    public boolean process(Set<? extends TypeElement> annotations, RoundEnvironment roundEnv) {

        Trees trees = Trees.instance(processingEnv);

        SourcePositions sp = trees.getSourcePositions();

        Messager m = processingEnv.getMessager();

        m.printMessage(Diagnostic.Kind.NOTE, "processing annotations");

        int count = 0;

        for (TypeElement anno: annotations) {

            count++;

            m.printMessage(Diagnostic.Kind.NOTE, "  processing annotation " + anno);

            for (Element e: roundEnv.getElementsAnnotatedWith(anno)) {

                m.printMessage(Diagnostic.Kind.NOTE, "    processing element " + e);

                TreePath p = trees.getPath(e);

                long start = sp.getStartPosition(p.getCompilationUnit(), p.getLeaf());

                long end = sp.getEndPosition(p.getCompilationUnit(), p.getLeaf());

                Diagnostic.Kind k = (start > 0 && end > 0 && start < end

                                     ? Diagnostic.Kind.NOTE : Diagnostic.Kind.ERROR);

                m.printMessage(k, "test [" + start + "," + end + "]", e);

            }

        }

        if (count == 0)

            m.printMessage(Diagnostic.Kind.NOTE, "no annotations found");

        return true;

    }

    @Override

    public SourceVersion getSupportedSourceVersion() {

        return SourceVersion.latest();

    }

}