/* Generated By:JavaCC: Do not edit this line. TokenMgrError.java Version 3.0 */

package org.onemind.jxp.parser;

public class TokenMgrError extends Error
{

    /*
     * Ordinals for various reasons why an Error of this type can be thrown.
     */
    /**
     * Lexical error occured.
     */
    static final int LEXICAL_ERROR = 0;

    /**
     * An attempt wass 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 espaced (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 lexicl error curLexState : lexical state in which this error occured errorLine : line
     * number when the error occured errorColumn : column number when the error occured errorAfter : prefix that was seen before
     * this error occured 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 : "Internal Error : Please file a bug
     * report .... " from this method for such cases in the release version of your parser.
     */
    public String getMessage()
    {
        return super.getMessage();
    }

    /*
     * Constructors of various flavors follow.
     */
    public TokenMgrError()
    {
    }

    public TokenMgrError(String message, int reason)
    {
        super(message);
        errorCode = reason;
    }

    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);
    }
}