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/* Generated By:JavaCC: Do not edit this line. TokenMgrError.java Version 4.1 */
/* JavaCCOptions: */
package com.feilong.lib.ognl;

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

    /*
     * Ordinals for various reasons why an Error of this type can be thrown.
     */

    /**
     * 
     */
    private static final long serialVersionUID      = -850174970386130561L;

    /**
     * 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
     * 
     * @param str
     *            the String to which escape sequences should be applied.
     * @return the String result of str after undergoing escaping.
     */
    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.
     * 
     * @param EOFSeen
     *            indicates if EOF caused the lexical error.
     * @param lexState
     *            the lexical state in which this error occurred.
     * @param errorLine
     *            the line number when the error occurred.
     * @param errorColumn
     *            the column number when the error occurred.
     * @param errorAfter
     *            the prefix that was seen before this error occurred.
     * @param curChar
     *            the offending character that produced the lexical error.
     * @return the detail message String for the Error based on the provided parameters.
     */
    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 ? " " : ("\"" + 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.
     * 
     * @return the error message for this TokenMgrError (typically the detailed error message).
     */
    @Override
    public String getMessage(){
        return super.getMessage();
    }

    /*
     * Constructors of various flavors follow.
     */

    /** No arg constructor. */
    public TokenMgrError(){
    }

    /**
     * Constructor with message and reason.
     * 
     * @param message
     *            the error message String for this error.
     * @param reason
     *            the reason code for this error.
     */
    public TokenMgrError(String message, int reason){
        super(message);
        errorCode = reason;
    }

    /**
     * Full Constructor.
     * 
     * @param EOFSeen
     *            indicates if EOF caused the lexical error.
     * @param lexState
     *            the lexical state in which this error occurred.
     * @param errorLine
     *            the line number when the error occurred.
     * @param errorColumn
     *            the column number when the error occurred.
     * @param errorAfter
     *            the prefix that was seen before this error occurred.
     * @param curChar
     *            the offending character that produced the lexical error.
     * @param reason
     *            the reason code for this error.
     */
    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=fc24e4c222ec3f01f7c4dd2c636977da (do not edit this line) */




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