LexToken.java

/* --------------------------------------------------------- *
 *    __________    D E L T A S C R I P T                    *
 *   (_________()                                            *
 *    /  ===   /   - A fast, dynamic scripting language      *
 *   |  ==    |    - Version 4.13.11.0                       *
 *   /  ===   /    - Developed by Adam R. Nelson             *
 *  |  =  =  |     - 2011-2013                               *
 *  /  ===   /     - Distributed under GNU LGPL v3           *
 * (________()     - http://github.com/ar-nelson/deltascript *
 *                                                           *
 * --------------------------------------------------------- */

package com.sector91.delta.script.parser;

import java.io.IOException;

public class LexToken
{
    private final TokenType type;
    private final String value;
    private final int start;
    private final int end;

    LexToken(TokenType type, int start, int end)
    {this(type, null, start, end);}
    
    LexToken(TokenType type, String value, int start, int end)
    {
        this.type = type;
        this.value = value;
        this.start = start;
        this.end = end;
    }
    
    public TokenType type() throws DScriptLexerException, IOException
    {return type;}
    
    public String value() throws DScriptLexerException, IOException
    {return value;}
    
    public int start()
    {return start;}
    
    public int end()
    {return end;}

    @Override public String toString()
    {
        if (value == null)
            return type.friendlyDesc;
        else if (type == TokenType.SEPARATOR)
            return type.friendlyDesc + " (" +
                ("\n".equals(value) ? "newline" : value) + ")";
        else
            return type.friendlyDesc + " '" + value + "'";
    }
}