001/* Generated By:JavaCC: Do not edit this line. TokenMgrError.java Version 5.0 */
002/* JavaCCOptions: */
003package mondrian.parser;
004
005/** Token Manager Error. */
006public class TokenMgrError extends Error
007{
008
009  /**
010   * The version identifier for this Serializable class.
011   * Increment only if the <i>serialized</i> form of the
012   * class changes.
013   */
014  private static final long serialVersionUID = 1L;
015
016  /*
017   * Ordinals for various reasons why an Error of this type can be thrown.
018   */
019
020  /**
021   * Lexical error occurred.
022   */
023  static final int LEXICAL_ERROR = 0;
024
025  /**
026   * An attempt was made to create a second instance of a static token manager.
027   */
028  static final int STATIC_LEXER_ERROR = 1;
029
030  /**
031   * Tried to change to an invalid lexical state.
032   */
033  static final int INVALID_LEXICAL_STATE = 2;
034
035  /**
036   * Detected (and bailed out of) an infinite loop in the token manager.
037   */
038  static final int LOOP_DETECTED = 3;
039
040  /**
041   * Indicates the reason why the exception is thrown. It will have
042   * one of the above 4 values.
043   */
044  int errorCode;
045
046  /**
047   * Replaces unprintable characters by their escaped (or unicode escaped)
048   * equivalents in the given string
049   */
050  protected static final String addEscapes(String str) {
051    StringBuffer retval = new StringBuffer();
052    char ch;
053    for (int i = 0; i < str.length(); i++) {
054      switch (str.charAt(i))
055      {
056        case 0 :
057          continue;
058        case '\b':
059          retval.append("\\b");
060          continue;
061        case '\t':
062          retval.append("\\t");
063          continue;
064        case '\n':
065          retval.append("\\n");
066          continue;
067        case '\f':
068          retval.append("\\f");
069          continue;
070        case '\r':
071          retval.append("\\r");
072          continue;
073        case '\"':
074          retval.append("\\\"");
075          continue;
076        case '\'':
077          retval.append("\\\'");
078          continue;
079        case '\\':
080          retval.append("\\\\");
081          continue;
082        default:
083          if ((ch = str.charAt(i)) < 0x20 || ch > 0x7e) {
084            String s = "0000" + Integer.toString(ch, 16);
085            retval.append("\\u" + s.substring(s.length() - 4, s.length()));
086          } else {
087            retval.append(ch);
088          }
089          continue;
090      }
091    }
092    return retval.toString();
093  }
094
095  /**
096   * Returns a detailed message for the Error when it is thrown by the
097   * token manager to indicate a lexical error.
098   * Parameters :
099   *    EOFSeen     : indicates if EOF caused the lexical error
100   *    curLexState : lexical state in which this error occurred
101   *    errorLine   : line number when the error occurred
102   *    errorColumn : column number when the error occurred
103   *    errorAfter  : prefix that was seen before this error occurred
104   *    curchar     : the offending character
105   * Note: You can customize the lexical error message by modifying this method.
106   */
107  protected static String LexicalError(boolean EOFSeen, int lexState, int errorLine, int errorColumn, String errorAfter, char curChar) {
108    return("Lexical error at line " +
109          errorLine + ", column " +
110          errorColumn + ".  Encountered: " +
111          (EOFSeen ? "<EOF> " : ("\"" + addEscapes(String.valueOf(curChar)) + "\"") + " (" + (int)curChar + "), ") +
112          "after : \"" + addEscapes(errorAfter) + "\"");
113  }
114
115  /**
116   * You can also modify the body of this method to customize your error messages.
117   * For example, cases like LOOP_DETECTED and INVALID_LEXICAL_STATE are not
118   * of end-users concern, so you can return something like :
119   *
120   *     "Internal Error : Please file a bug report .... "
121   *
122   * from this method for such cases in the release version of your parser.
123   */
124  public String getMessage() {
125    return super.getMessage();
126  }
127
128  /*
129   * Constructors of various flavors follow.
130   */
131
132  /** No arg constructor. */
133  public TokenMgrError() {
134  }
135
136  /** Constructor with message and reason. */
137  public TokenMgrError(String message, int reason) {
138    super(message);
139    errorCode = reason;
140  }
141
142  /** Full Constructor. */
143  public TokenMgrError(boolean EOFSeen, int lexState, int errorLine, int errorColumn, String errorAfter, char curChar, int reason) {
144    this(LexicalError(EOFSeen, lexState, errorLine, errorColumn, errorAfter, curChar), reason);
145  }
146}
147/* JavaCC - OriginalChecksum=aead6db7f4b774108c8623c0bedc849c (do not edit this line) */