Java example source code file (TokenMgrError.java)

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Java - Java tags/keywords

encountered, eofseen, invalid_lexical_state, lexical, lexical_error, lexicalerror, loop_detected, static_lexer_error, string, stringbuffer, tokenmgrerror

The TokenMgrError.java Java example source code

/*
 * Copyright (c) 2005, 2010, 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.
 */
/*
 * Copyright (C) 2004-2011
 *
 * Permission is hereby granted, free of charge, to any person obtaining a copy
 * of this software and associated documentation files (the "Software"), to deal
 * in the Software without restriction, including without limitation the rights
 * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
 * copies of the Software, and to permit persons to whom the Software is
 * furnished to do so, subject to the following conditions:
 *
 * The above copyright notice and this permission notice shall be included in
 * all copies or substantial portions of the Software.
 *
 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
 * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
 * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
 * THE SOFTWARE.
 */
/* Generated By:JavaCC: Do not edit this line. TokenMgrError.java Version 5.0 */
/* JavaCCOptions: */
package com.sun.xml.internal.rngom.parse.compact;

/** Token Manager Error. */
public class TokenMgrError extends Error
{

  /**
   * The version identifier for this Serializable class.
   * Increment only if the <i>serialized 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) {
    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 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=1d6588bf7a27100c05b06541f6175759 (do not edit this line) */