TokenMgrError.java

/*
 * Cobertura - http://cobertura.sourceforge.net/
 *
 * This file was taken from JavaNCSS
 * http://www.kclee.com/clemens/java/javancss/
 * Copyright (C) 2000 Chr. Clemens Lee <clemens a.t kclee d.o.t com>
 *
 * Cobertura is free software; you can redistribute it and/or modify
 * it under the terms of the GNU General Public License as published
 * by the Free Software Foundation; either version 2 of the License,
 * or (at your option) any later version.
 *
 * Cobertura 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 for more details.
 *
 * You should have received a copy of the GNU General Public License
 * along with Cobertura; if not, write to the Free Software
 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307
 * USA
 */


/*
 *
 * WARNING   WARNING   WARNING   WARNING   WARNING   WARNING   WARNING   WARNING   WARNING  
 *
 * WARNING TO COBERTURA DEVELOPERS
 *
 * DO NOT MODIFY THIS FILE!
 *
 * MODIFY THE FILES UNDER THE JAVANCSS DIRECTORY LOCATED AT THE ROOT OF THE COBERTURA PROJECT.
 *
 * FOLLOW THE PROCEDURE FOR MERGING THE LATEST JAVANCSS INTO COBERTURA LOCATED AT
 * javancss/coberturaREADME.txt
 *
 * WARNING   WARNING   WARNING   WARNING   WARNING   WARNING   WARNING   WARNING   WARNING   
 */
/* Generated By:JavaCC: Do not edit this line. TokenMgrError.java Version 4.1 */
/* JavaCCOptions: */
package net.sourceforge.cobertura.javancss.parser;

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

   /*
    * 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 :
     * <p/>
     * "Internal Error : Please file a bug report .... "
     * <p/>
     * 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=941a67c25d5172a42378412878e36619 (do not edit this line) */