/*

 * 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 6956462

 * @summary AssertionError exception throws in the Compiler Tree API in JDK 7.

 *

 * @build TestClass T6956462

 * @run main T6956462

 */

import java.io.*;

import java.net.URISyntaxException;

import java.util.*;

import javax.tools.*;

import javax.tools.JavaCompiler.CompilationTask;

import com.sun.source.tree.*;

import com.sun.source.util.*;

public class T6956462 {

    public static void main(String[] args) throws Exception {

        JavaCompiler compiler = ToolProvider.getSystemJavaCompiler();

        if (compiler == null) {

            throw new RuntimeException("can't get javax.tools.JavaCompiler!");

        }

        StandardJavaFileManager fm = compiler.getStandardFileManager(null, null, null);

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

        files.add(new File(T6956462.class.getResource("TestClass.java").toURI()));

        final CompilationTask task = compiler.getTask(null, fm, null,

            null, null, fm.getJavaFileObjectsFromFiles(files));

        JavacTask javacTask = (JavacTask) task;

        for (CompilationUnitTree cu : javacTask.parse()) {

            cu.accept(new MyVisitor(javacTask), null);

        }

    }

    private static class MyVisitor extends SimpleTreeVisitor<Tree, Void> {

        private final Trees trees;

        private CompilationUnitTree file;

        private MyVisitor(JavacTask javac) {

            this.trees = Trees.instance(javac);

        }

        @Override

        public Tree visitCompilationUnit(CompilationUnitTree file, Void v) {

            this.file = file;

            for (Tree typeDecl : file.getTypeDecls()) {

                typeDecl.accept(this, v);

            }

            return null;

        }

        @Override

        public Tree visitImport(ImportTree imp, Void v) {

            return null;

        }

        @Override

        public Tree visitMethodInvocation(MethodInvocationTree invoke, Void v) {

            invoke.getMethodSelect().accept(this, v);

            return null;

        }

        @Override

        public Tree visitBlock(BlockTree block, Void v) {

            for (StatementTree stat : block.getStatements()) {

                stat.accept(this, v);

            }

            return null;

        }

        @Override

        public Tree visitClass(ClassTree clazz, Void v) {

            for (Tree member : clazz.getMembers()) {

                member.accept(this, v);

            }

            return null;

        }

        @Override

        public Tree visitIdentifier(IdentifierTree ident, Void v) {

            trees.getScope(trees.getPath(file, ident));

            return null;

        }

        @Override

        public Tree visitMethod(MethodTree method, Void v) {

            method.getBody().accept(this, v);

            return null;

        }

        @Override

        public Tree visitMemberSelect(MemberSelectTree select, Void v) {

            select.getExpression().accept(this, v);

            return null;

        }

        @Override

        public Tree visitVariable(VariableTree var, Void v) {

            var.getInitializer().accept(this, v);

            return null;

        }

    }

}