001/*
002 * Units of Measurement Reference Implementation
003 * Copyright (c) 2005-2018, Jean-Marie Dautelle, Werner Keil, Otavio Santana.
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-385, Indriya nor the names of their 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 tech.units.indriya.internal.format;
033
034/** Token Manager Error. */
035public class TokenMgrError extends Error {
036
037  /**
038   * The Serialization identifier for this class. Increment only if the <i>serialized</i> form of the class changes.
039   */
040  private static final long serialVersionUID = -3348968864772188432L;
041
042  /*
043   * Ordinals for various reasons why an Error of this type can be thrown.
044   */
045
046  /**
047   * Lexical error occurred.
048   */
049  static final int LEXICAL_ERROR = 0;
050
051  /**
052   * An attempt was made to create a second instance of a static token manager.
053   */
054  static final int STATIC_LEXER_ERROR = 1;
055
056  /**
057   * Tried to change to an invalid lexical state.
058   */
059  static final int INVALID_LEXICAL_STATE = 2;
060
061  /**
062   * Detected (and bailed out of) an infinite loop in the token manager.
063   */
064  static final int LOOP_DETECTED = 3;
065
066  /**
067   * Indicates the reason why the exception is thrown. It will have one of the above 4 values.
068   */
069  @SuppressWarnings("unused")
070private int errorCode;
071
072  /**
073   * Replaces unprintable characters by their escaped (or unicode escaped) equivalents in the given string
074   */
075  protected static String addEscapes(String str) {
076    StringBuilder retval = new StringBuilder();
077    char ch;
078    for (int i = 0; i < str.length(); i++) {
079      switch (str.charAt(i)) {
080        case 0:
081          continue;
082        case '\b':
083          retval.append("\\b");
084          continue;
085        case '\t':
086          retval.append("\\t");
087          continue;
088        case '\n':
089          retval.append("\\n");
090          continue;
091        case '\f':
092          retval.append("\\f");
093          continue;
094        case '\r':
095          retval.append("\\r");
096          continue;
097        case '\"':
098          retval.append("\\\"");
099          continue;
100        case '\'':
101          retval.append("\\\'");
102          continue;
103        case '\\':
104          retval.append("\\\\");
105          continue;
106        default:
107          if ((ch = str.charAt(i)) < 0x20 || ch > 0x7e) {
108            String s = "0000" + Integer.toString(ch, 16);
109            retval.append("\\u").append(s.substring(s.length() - 4, s.length()));
110          } else {
111            retval.append(ch);
112          }
113      }
114    }
115    return retval.toString();
116  }
117
118  /**
119   * Returns a detailed message for the Error when it is thrown by the token manager to indicate a lexical error. Parameters : EOFSeen : indicates if
120   * EOF caused the lexical error curLexState : lexical state in which this error occurred errorLine : line number when the error occurred errorColumn
121   * : column number when the error occurred errorAfter : prefix that was seen before this error occurred curchar : the offending character Note: You
122   * can customize the lexical error message by modifying this method.
123   */
124  protected static String lexicalError(boolean EOFSeen, int errorLine, int errorColumn, String errorAfter, char curChar) {
125    return ("Lexical error at line " + errorLine + ", column " + errorColumn + ".  Encountered: "
126        + (EOFSeen ? "<EOF> " : ("\"" + addEscapes(String.valueOf(curChar)) + "\"") + " (" + (int) curChar + "), ") + "after : \""
127        + addEscapes(errorAfter) + "\"");
128  }
129
130  /**
131   * 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
132   * not of end-users concern, so you can return something like :
133   *
134   * "Internal Error : Please file a bug report .... "
135   *
136   * from this method for such cases in the release version of your parser.
137   */
138  public String getMessage() {
139    return super.getMessage();
140  }
141
142  /*
143   * Constructors of various flavors follow.
144   */
145
146  /** No arg constructor. */
147  public TokenMgrError() {
148  }
149
150  /** Constructor with message and reason. */
151  public TokenMgrError(String message, int reason) {
152    super(message);
153    errorCode = reason;
154  }
155
156  /** Full Constructor. */
157  public TokenMgrError(boolean EOFSeen, int lexState, int errorLine, int errorColumn, String errorAfter, char curChar, int reason) {
158    this(lexicalError(EOFSeen, errorLine, errorColumn, errorAfter, curChar), reason);
159  }
160}
161/*
162 * JavaCC - OriginalChecksum=8a6e5be586cca28053ad55584e013006 (do not edit this
163 * line)
164 */