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Rhino is an open-source implementation of JavaScript written entirely in Java. It is typically embedded into Java applications to provide scripting to end users.

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/* This Source Code Form is subject to the terms of the Mozilla Public
 * License, v. 2.0. If a copy of the MPL was not distributed with this
 * file, You can obtain one at http://mozilla.org/MPL/2.0/. */

package org.mozilla.javascript;

/** This class distinguishes between the three different supported stack trace formats. */
public enum StackStyle {
    /**
     * This is the default stack trace style in Rhino, which is like Java: 
     *     at fileName:lineNumber (functionName)
     */
    RHINO,

    /**
     * This stack trace style comes from the old Mozilla code: 
     * functionName()@fileName:lineNumber
     */
    MOZILLA,

    /**
     * This is the same as MOZILLA but uses LF as speparator instead of the system dependent line
     * separator.
     */
    MOZILLA_LF,

    /**
     * This stack trace style matches that output from V8, either: 
     *     at functionName (fileName:lineNumber:columnNumber) or, for anonymous functions:
     *     at fileName:lineNumber:columnNumber
     */
    V8
}