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[/] [fpga-cf/] [trunk/] [java/] [src/] [edu/] [byu/] [cc/] [plieber/] [fpgaenet/] [debug/] [llparse/] [TokenMgrError.java] - Blame information for rev 2

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1 2 peteralieb 
/* Generated By:JavaCC: Do not edit this line. TokenMgrError.java Version 5.0 */
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/* JavaCCOptions: */
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/*
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@LICENSE@
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*/
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package edu.byu.cc.plieber.fpgaenet.debug.llparse;
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/** Token Manager Error. */
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public class TokenMgrError extends Error
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{
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  /**
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   * The version identifier for this Serializable class.
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   * Increment only if the <i>serialized</i> form of the
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   * class changes.
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   */
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  private static final long serialVersionUID = 1L;
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  /*
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   * Ordinals for various reasons why an Error of this type can be thrown.
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   */
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  /**
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   * Lexical error occurred.
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   */
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  static final int LEXICAL_ERROR = 0;
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  /**
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   * An attempt was made to create a second instance of a static token manager.
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   */
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  static final int STATIC_LEXER_ERROR = 1;
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  /**
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   * Tried to change to an invalid lexical state.
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   */
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  static final int INVALID_LEXICAL_STATE = 2;
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  /**
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   * Detected (and bailed out of) an infinite loop in the token manager.
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   */
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  static final int LOOP_DETECTED = 3;
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  /**
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   * Indicates the reason why the exception is thrown. It will have
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   * one of the above 4 values.
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   */
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  int errorCode;
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  /**
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   * Replaces unprintable characters by their escaped (or unicode escaped)
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   * equivalents in the given string
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   */
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  protected static final String addEscapes(String str) {
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    StringBuffer retval = new StringBuffer();
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    char ch;
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    for (int i = 0; i < str.length(); i++) {
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      switch (str.charAt(i))
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      {
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        case 0 :
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          continue;
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        case '\b':
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          retval.append("\\b");
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          continue;
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        case '\t':
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          retval.append("\\t");
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          continue;
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        case '\n':
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          retval.append("\\n");
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          continue;
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        case '\f':
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          retval.append("\\f");
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          continue;
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        case '\r':
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          retval.append("\\r");
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          continue;
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        case '\"':
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          retval.append("\\\"");
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          continue;
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        case '\'':
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          retval.append("\\\'");
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          continue;
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        case '\\':
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          retval.append("\\\\");
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          continue;
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        default:
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          if ((ch = str.charAt(i)) < 0x20 || ch > 0x7e) {
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            String s = "0000" + Integer.toString(ch, 16);
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            retval.append("\\u" + s.substring(s.length() - 4, s.length()));
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          } else {
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            retval.append(ch);
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          }
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          continue;
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      }
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    }
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    return retval.toString();
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  }
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  /**
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   * Returns a detailed message for the Error when it is thrown by the
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   * token manager to indicate a lexical error.
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   * Parameters :
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   *    EOFSeen     : indicates if EOF caused the lexical error
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   *    curLexState : lexical state in which this error occurred
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   *    errorLine   : line number when the error occurred
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   *    errorColumn : column number when the error occurred
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   *    errorAfter  : prefix that was seen before this error occurred
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   *    curchar     : the offending character
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   * Note: You can customize the lexical error message by modifying this method.
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   */
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  protected static String LexicalError(boolean EOFSeen, int lexState, int errorLine, int errorColumn, String errorAfter, char curChar) {
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    return("Lexical error at line " +
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          errorLine + ", column " +
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          errorColumn + ".  Encountered: " +
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          (EOFSeen ? "<EOF> " : ("\"" + addEscapes(String.valueOf(curChar)) + "\"") + " (" + (int)curChar + "), ") +
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          "after : \"" + addEscapes(errorAfter) + "\"");
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  }
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  /**
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   * You can also modify the body of this method to customize your error messages.
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   * For example, cases like LOOP_DETECTED and INVALID_LEXICAL_STATE are not
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   * of end-users concern, so you can return something like :
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   *
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   *     "Internal Error : Please file a bug report .... "
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   *
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   * from this method for such cases in the release version of your parser.
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   */
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  public String getMessage() {
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    return super.getMessage();
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  }
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  /*
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   * Constructors of various flavors follow.
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   */
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  /** No arg constructor. */
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  public TokenMgrError() {
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  }
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  /** Constructor with message and reason. */
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  public TokenMgrError(String message, int reason) {
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    super(message);
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    errorCode = reason;
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  }
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  /** Full Constructor. */
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  public TokenMgrError(boolean EOFSeen, int lexState, int errorLine, int errorColumn, String errorAfter, char curChar, int reason) {
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    this(LexicalError(EOFSeen, lexState, errorLine, errorColumn, errorAfter, curChar), reason);
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  }
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}
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/* JavaCC - OriginalChecksum=f5500fb6f1bc8a5280fe3ae76a821bcc (do not edit this line) */

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