/*

 * Copyright (c) 1999, 2013, 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.

 */

/* Generated By:JavaCC: Do not edit this line. TokenMgrError.java Version 5.0 */

/* JavaCCOptions: */

package com.sun.tools.example.debug.expr;

/** Token Manager Error. */

public class TokenMgrError extends Error

{

  /**

   * The version identifier for this Serializable class.

   * Increment only if the <i>serialized</i> form of the

   * class changes.

   */

  private static final long serialVersionUID = 1L;

  /*

   * Ordinals for various reasons why an Error of this type can be thrown.

   */

  /**

   * Lexical error occurred.

   */

  static final int LEXICAL_ERROR = 0;

  /**

   * An attempt was 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 escaped (or unicode escaped)

   * equivalents in the given string

   */

  protected static final String addEscapes(String str) {

    StringBuilder retval = new StringBuilder();

    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);

          } 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 lexical error

   *    curLexState : lexical state in which this error occurred

   *    errorLine   : line number when the error occurred

   *    errorColumn : column number when the error occurred

   *    errorAfter  : prefix that was seen before this error occurred

   *    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.

   */

  public String getMessage() {

    return super.getMessage();

  }

  /*

   * Constructors of various flavors follow.

   */

  /** No arg constructor. */

  public TokenMgrError() {

  }

  /** Constructor with message and reason. */

  public TokenMgrError(String message, int reason) {

    super(message);

    errorCode = reason;

  }

  /** Full Constructor. */

  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);

  }

}

/* JavaCC - OriginalChecksum=9b5d040f247411cad7f77688386c48e7 (do not edit this line) */