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BEGIN LICENSE BLOCK ***** Version: EPL 1.0/GPL 2.0/LGPL 2.1 The contents of this file are subject to the Eclipse Public License Version 1.0 (the "License"); you may not use this file except in compliance with the License. You may obtain a copy of the License at 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. Copyright (C) 2002 Anders Bengtsson <> Copyright (C) 2002 Jan Arne Petersen <> Copyright (C) 2005 Charles O Nutter <> Copyright (C) 2007 Thomas E Enebo <> Copyright (C) 2007 Miguel Covarrubias <> Alternatively, the contents of this file may be used under the terms of either of the GNU General Public License Version 2 or later (the "GPL"), or the GNU Lesser General Public License Version 2.1 or later (the "LGPL"), in which case the provisions of the GPL or the LGPL are applicable instead of those above. If you wish to allow use of your version of this file only under the terms of either the GPL or the LGPL, and not to allow others to use your version of this file under the terms of the EPL, indicate your decision by deleting the provisions above and replace them with the notice and other provisions required by the GPL or the LGPL. If you do not delete the provisions above, a recipient may use your version of this file under the terms of any one of the EPL, the GPL or the LGPL. END LICENSE BLOCK ***
 package org.jruby.exceptions;
 import org.jruby.Ruby;
This class should be used for performance reasons if the Exception don't need a stack trace.

 public class JumpException extends RuntimeException {
     private static final long serialVersionUID = -228162532535826617L;
     public static class FlowControlException extends JumpException implements Unrescuable {
         protected int target;
         protected Object value;
         protected final Reason reason;
         public FlowControlException(Reason reason) {
             this. = reason;
         public FlowControlException(Reason reasonint targetObject value) {
             this. = reason;
             this. = target;
             this. = value;
         public int getTarget() { return ; }
         public void setTarget(int target) { this. = target; }
         public Object getValue() { return ; }
         public void setValue(Object value) { this. = value; }
         public RaiseException buildException(Ruby runtime) {
             switch () {
                 case :
                 case :
                 case :
                     // takes an argument
                     return runtime.newLocalJumpError(, (IRubyObject)"unexpected " + );
                 case :
                 case :
                     // no argument
                     return runtime.newLocalJumpError(runtime.getNil(), "unexpected " + );
                 case :
                     // different message or no reason given
                     return runtime.newLocalJumpError(runtime.getNil(), "no reason");
     public static class BreakJump extends FlowControlException { public BreakJump(int tObject v) { super(.tv); } }
     public static class NextJump extends FlowControlException { public NextJump(Object v) { super(., 0, v); } }
     public static class RetryJump extends FlowControlException { public RetryJump() {super(.); } }
     public static final RetryJump RETRY_JUMP = new RetryJump();
     public static class RedoJump extends FlowControlException { public RedoJump() {super(.); } }
     public static final RedoJump REDO_JUMP = new RedoJump();
     public static class SpecialJump extends FlowControlException { public SpecialJump() {super(.); } }
     public static final SpecialJump SPECIAL_JUMP = new SpecialJump();
     public static class ReturnJump extends FlowControlException { public ReturnJump(int tObject v) { super(.tv); }}
Constructor for flow-control-only JumpExceptions.
     public JumpException() {
Constructor for JumpException.

    public JumpException(String msg) {
    public JumpException(String msgThrowable cause) {
This method don't do anything for performance reasons.

    public Throwable fillInStackTrace() {
            return originalFillInStackTrace();
        return this;
    protected Throwable originalFillInStackTrace() {
        return super.fillInStackTrace();
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