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Closure Compiler is a JavaScript optimizing compiler. It parses your JavaScript, analyzes it, removes dead code and rewrites and minimizes what's left. It also checks syntax, variable references, and types, and warns about common JavaScript pitfalls. It is used in many of Google's JavaScript apps, including Gmail, Google Web Search, Google Maps, and Google Docs.

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/*
 *
 * ***** BEGIN LICENSE BLOCK *****
 * Version: MPL 1.1/GPL 2.0
 *
 * The contents of this file are subject to the Mozilla Public License Version
 * 1.1 (the "License"); you may not use this file except in compliance with
 * the License. You may obtain a copy of the License at
 * http://www.mozilla.org/MPL/
 *
 * Software distributed under the License is distributed on an "AS IS" basis,
 * WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
 * for the specific language governing rights and limitations under the
 * License.
 *
 * The Original Code is Rhino code, released
 * May 6, 1999.
 *
 * The Initial Developer of the Original Code is
 * Netscape Communications Corporation.
 * Portions created by the Initial Developer are Copyright (C) 1997-1999
 * the Initial Developer. All Rights Reserved.
 *
 * Contributor(s):
 *   Roger Lawrence
 *
 * Alternatively, the contents of this file may be used under the terms of
 * the GNU General Public License Version 2 or later (the "GPL"), in which
 * case the provisions of the GPL are applicable instead of those above. If
 * you wish to allow use of your version of this file only under the terms of
 * the GPL and not to allow others to use your version of this file under the
 * MPL, indicate your decision by deleting the provisions above and replacing
 * them with the notice and other provisions required by the GPL. If you do
 * not delete the provisions above, a recipient may use your version of this
 * file under either the MPL or the GPL.
 *
 * ***** END LICENSE BLOCK ***** */

// API class

package com.google.javascript.rhino;

/**
 * The class of exceptions raised by the engine as described in
 * ECMA edition 3. See section 15.11.6 in particular.
 */
public class EcmaError extends RhinoException
{
    static final long serialVersionUID = -6261226256957286699L;

    private String errorName;
    private String errorMessage;

    /**
     * Create an exception with the specified detail message.
     *
     * Errors internal to the JavaScript engine will simply throw a
     * RuntimeException.
     *
     * @param sourceName the name of the source reponsible for the error
     * @param lineNumber the line number of the source
     * @param columnNumber the columnNumber of the source (may be zero if
     *                     unknown)
     * @param lineSource the source of the line containing the error (may be
     *                   null if unknown)
     */
    EcmaError(String errorName, String errorMessage,
              String sourceName, int lineNumber,
              String lineSource, int columnNumber)
    {
        recordErrorOrigin(sourceName, lineNumber, lineSource, columnNumber);
        this.errorName = errorName;
        this.errorMessage = errorMessage;
    }

    @Override public String details()
    {
        return errorName+": "+errorMessage;
    }

    /**
     * Gets the name of the error.
     *
     * ECMA edition 3 defines the following
     * errors: EvalError, RangeError, ReferenceError,
     * SyntaxError, TypeError, and URIError. Additional error names
     * may be added in the future.
     *
     * See ECMA edition 3, 15.11.7.9.
     *
     * @return the name of the error.
     */
    public String getName()
    {
        return errorName;
    }

    /**
     * Gets the message corresponding to the error.
     *
     * See ECMA edition 3, 15.11.7.10.
     *
     * @return an implemenation-defined string describing the error.
     */
    public String getErrorMessage()
    {
        return errorMessage;
    }

    /**
     * @deprecated Use {@link RhinoException#sourceName()} from the super class.
     */
    @Deprecated
    public String getSourceName()
    {
        return sourceName();
    }

    /**
     * @deprecated Use {@link RhinoException#lineNumber()} from the super class.
     */
    @Deprecated
    public int getLineNumber()
    {
        return lineNumber();
    }

    /**
     * @deprecated
     * Use {@link RhinoException#columnNumber()} from the super class.
     */
    @Deprecated
    public int getColumnNumber() {
        return columnNumber();
    }

    /**
     * @deprecated Use {@link RhinoException#lineSource()} from the super class.
     */
    @Deprecated
    public String getLineSource() {
        return lineSource();
    }
}