001/**
002 *  Unit-API - Units of Measurement API for Java
003 *  Copyright (c) 2005-2014, Jean-Marie Dautelle, Werner Keil, V2COM.
004 *
005 * All rights reserved.
006 *
007 * Redistribution and use in source and binary forms, with or without modification,
008 * are permitted provided that the following conditions are met:
009 *
010 * 1. Redistributions of source code must retain the above copyright notice,
011 *    this list of conditions and the following disclaimer.
012 *
013 * 2. Redistributions in binary form must reproduce the above copyright notice, this list of conditions
014 *    and the following disclaimer in the documentation and/or other materials provided with the distribution.
015 *
016 * 3. Neither the name of JSR-363 nor the names of its contributors may be used to endorse or promote products
017 *    derived from this software without specific prior written permission.
018 *
019 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
020 * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,
021 * THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
022 * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE
023 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
024 * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
025 * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED
026 * AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
027 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE,
028 * EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
029 */
030/* Generated By:JavaCC: Do not edit this line. TokenMgrError.java Version 5.0 */
031/* JavaCCOptions: */
032package systems.uom.ucum.internal.format;
033
034/** Token Manager Error. */
035public class TokenMgrError extends Error
036{
037
038  /**
039   * The Serialization identifier for this class.
040   * Increment only if the <i>serialized</i> form of the
041   * class changes.
042   */
043        private static final long serialVersionUID = -3348968864772188432L;
044        
045  /*
046   * Ordinals for various reasons why an Error of this type can be thrown.
047   */
048
049
050  /**
051   * Lexical error occurred.
052   */
053  static final int LEXICAL_ERROR = 0;
054
055  /**
056   * An attempt was made to create a second instance of a static token manager.
057   */
058  static final int STATIC_LEXER_ERROR = 1;
059
060  /**
061   * Tried to change to an invalid lexical state.
062   */
063  static final int INVALID_LEXICAL_STATE = 2;
064
065  /**
066   * Detected (and bailed out of) an infinite loop in the token manager.
067   */
068  static final int LOOP_DETECTED = 3;
069
070  /**
071   * Indicates the reason why the exception is thrown. It will have
072   * one of the above 4 values.
073   */
074  int errorCode;
075
076  /**
077   * Replaces unprintable characters by their escaped (or unicode escaped)
078   * equivalents in the given string
079   */
080  protected static String addEscapes(String str) {
081    StringBuilder retval = new StringBuilder();
082    char ch;
083    for (int i = 0; i < str.length(); i++) {
084      switch (str.charAt(i))
085      {
086        case 0 :
087          continue;
088        case '\b':
089          retval.append("\\b");
090          continue;
091        case '\t':
092          retval.append("\\t");
093          continue;
094        case '\n':
095          retval.append("\\n");
096          continue;
097        case '\f':
098          retval.append("\\f");
099          continue;
100        case '\r':
101          retval.append("\\r");
102          continue;
103        case '\"':
104          retval.append("\\\"");
105          continue;
106        case '\'':
107          retval.append("\\\'");
108          continue;
109        case '\\':
110          retval.append("\\\\");
111          continue;
112        default:
113          if ((ch = str.charAt(i)) < 0x20 || ch > 0x7e) {
114            String s = "0000" + Integer.toString(ch, 16);
115            retval.append("\\u").append(s.substring(s.length() - 4, s.length()));
116          } else {
117            retval.append(ch);
118          }
119      }
120    }
121    return retval.toString();
122  }
123
124  /**
125   * Returns a detailed message for the Error when it is thrown by the
126   * token manager to indicate a lexical error.
127   * Parameters :
128   *    EOFSeen     : indicates if EOF caused the lexical error
129   *    curLexState : lexical state in which this error occurred
130   *    errorLine   : line number when the error occurred
131   *    errorColumn : column number when the error occurred
132   *    errorAfter  : prefix that was seen before this error occurred
133   *    curchar     : the offending character
134   * Note: You can customize the lexical error message by modifying this method.
135   */
136  protected static String LexicalError(boolean EOFSeen, int errorLine, int errorColumn, String errorAfter, char curChar) {
137    return("Lexical error at line " +
138          errorLine + ", column " +
139          errorColumn + ".  Encountered: " +
140          (EOFSeen ? "<EOF> " : ("\"" + addEscapes(String.valueOf(curChar)) + "\"") + " (" + (int)curChar + "), ") +
141          "after : \"" + addEscapes(errorAfter) + "\"");
142  }
143
144  /**
145   * You can also modify the body of this method to customize your error messages.
146   * For example, cases like LOOP_DETECTED and INVALID_LEXICAL_STATE are not
147   * of end-users concern, so you can return something like :
148   *
149   *     "Internal Error : Please file a bug report .... "
150   *
151   * from this method for such cases in the release version of your parser.
152   */
153  public String getMessage() {
154    return super.getMessage();
155  }
156
157  /*
158   * Constructors of various flavors follow.
159   */
160
161  /** No arg constructor. */
162  public TokenMgrError() {
163  }
164
165  /** Constructor with message and reason. */
166  public TokenMgrError(String message, int reason) {
167    super(message);
168    errorCode = reason;
169  }
170
171  /** Full Constructor. */
172  public TokenMgrError(boolean EOFSeen, int lexState, int errorLine, int errorColumn, String errorAfter, char curChar, int reason) {
173    this(LexicalError(EOFSeen, errorLine, errorColumn, errorAfter, curChar), reason);
174  }
175}
176/* JavaCC - OriginalChecksum=8a6e5be586cca28053ad55584e013006 (do not edit this line) */