/*******************************************************************************
 * Copyright (c) 2005 BEA Systems and others.
 * All rights reserved. This program and the accompanying materials
 * are made available under the terms of the Eclipse Public License v1.0
 * which accompanies this distribution, and is available at
 * http://www.eclipse.org/legal/epl-v10.html
 * 
 * Contributors:
 *     BEA Systems - initial implementation
 *     
 *******************************************************************************/
/* Generated By:JavaCC: Do not edit this line. TokenMgrError.java Version 3.0 */
package org.eclipse.wst.jsdt.web.core.internal.java.jspel;

public class TokenMgrError extends Error
{
   /*
	 * Ordinals for various reasons why an Error of this type can be thrown.
	 */

   /**
	 * Default <code>serialVersionUID</code>
	 */
	private static final long serialVersionUID = 1L;

/**
 * Lexical error occured.
 */
   static final int LEXICAL_ERROR = 0;

   /**
	 * An attempt wass made to create a second instance of a static token
	 * manager.
	 */
   static final int STATIC_LEXER_ERROR = 1;

   /**
	 * Tried to change to an invalid lexical state.
	 */
   static final int INVALID_LEXICAL_STATE = 2;

   /**
	 * Detected (and bailed out of) an infinite loop in the token manager.
	 */
   static final int LOOP_DETECTED = 3;

   /**
	 * Indicates the reason why the exception is thrown. It will have one of the
	 * above 4 values.
	 */
   int errorCode;

   /**
	 * Replaces unprintable characters by their espaced (or unicode escaped)
	 * equivalents in the given string
	 */
   protected static final String addEscapes(String str) {
      StringBuffer retval = new StringBuffer();
      char ch;
      for (int i = 0; i < str.length(); i++) {
        switch (str.charAt(i))
        {
           case 0 :
              continue;
           case '\b':
              retval.append("\\b");
              continue;
           case '\t':
              retval.append("\\t");
              continue;
           case '\n':
              retval.append("\\n");
              continue;
           case '\f':
              retval.append("\\f");
              continue;
           case '\r':
              retval.append("\\r");
              continue;
           case '\"':
              retval.append("\\\"");
              continue;
           case '\'':
              retval.append("\\\'");
              continue;
           case '\\':
              retval.append("\\\\");
              continue;
           default:
              if ((ch = str.charAt(i)) < 0x20 || ch > 0x7e) {
                 String s = "0000" + Integer.toString(ch, 16);
                 retval.append("\\u" + s.substring(s.length() - 4, s.length()));
              } else {
                 retval.append(ch);
              }
              continue;
        }
      }
      return retval.toString();
   }

   /**
	 * Returns a detailed message for the Error when it is thrown by the token
	 * manager to indicate a lexical error. Parameters : EOFSeen : indicates if
	 * EOF caused the lexicl error curLexState : lexical state in which this
	 * error occured errorLine : line number when the error occured errorColumn :
	 * column number when the error occured errorAfter : prefix that was seen
	 * before this error occured curchar : the offending character Note: You can
	 * customize the lexical error message by modifying this method.
	 */
   protected static String LexicalError(boolean EOFSeen, int lexState, int errorLine, int errorColumn, String errorAfter, char curChar) {
      return("Lexical error at line " +
           errorLine + ", column " +
           errorColumn + ".  Encountered: " +
           (EOFSeen ? "<EOF> " : ("\"" + addEscapes(String.valueOf(curChar)) + "\"") + " (" + (int)curChar + "), ") +
           "after : \"" + addEscapes(errorAfter) + "\"");
   }

   /**
	 * You can also modify the body of this method to customize your error
	 * messages. For example, cases like LOOP_DETECTED and INVALID_LEXICAL_STATE
	 * are not of end-users concern, so you can return something like :
	 * 
	 * "Internal Error : Please file a bug report .... "
	 * 
	 * from this method for such cases in the release version of your parser.
	 */
   @Override
public String getMessage() {
      return super.getMessage();
   }

   /*
	 * Constructors of various flavors follow.
	 */

   public TokenMgrError() {
   }

   public TokenMgrError(String message, int reason) {
      super(message);
      errorCode = reason;
   }

   public TokenMgrError(boolean EOFSeen, int lexState, int errorLine, int errorColumn, String errorAfter, char curChar, int reason) {
      this(LexicalError(EOFSeen, lexState, errorLine, errorColumn, errorAfter, curChar), reason);
   }
}