/*

 * Copyright (c) 2015, 2016, 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.  Oracle designates this

 * particular file as subject to the "Classpath" exception as provided

 * by Oracle in the LICENSE file that accompanied this code.

 *

 * 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.

 */

package jdk.jshell;

/**

 * Exception reported on attempting to execute a

 * {@link jdk.jshell.Snippet.Status#RECOVERABLE_DEFINED RECOVERABLE_DEFINED}

 * snippet.

 * <p>

 * The stack can be queried by methods on <code>Exception</code>.

 * Note that in stack trace frames representing JShell Snippets,

 * <code>StackTraceElement.getFileName()</code> will return "#" followed by

 * the Snippet id and for snippets without a method name (for example an

 * expression) <code>StackTraceElement.getName()</code> will be the

 * empty string.

 *

 * @since 9

 */

@SuppressWarnings("serial")             // serialVersionUID intentionally omitted

public class UnresolvedReferenceException extends JShellException {

    final DeclarationSnippet snippet;

    UnresolvedReferenceException(DeclarationSnippet snippet, StackTraceElement[] stackElements) {

        super("Attempt to use definition snippet with unresolved references");

        this.snippet = snippet;

        this.setStackTrace(stackElements);

    }

    /**

     * Return the Snippet which has the unresolved reference(s).

     * @return the <code>Snippet</code> of the

     * {@link jdk.jshell.Snippet.Status#RECOVERABLE_DEFINED RECOVERABLE_DEFINED}

     * definition snippet.

     */

    public DeclarationSnippet getSnippet() {

        return snippet;

    }

}