/* 
 *  Copyright (C) 2000 - 2010 TagServlet Ltd
 *
 *  This file is part of Open BlueDragon (OpenBD) CFML Server Engine.
 *  
 *  OpenBD is free software: you can redistribute it and/or modify
 *  it under the terms of the GNU General Public License as published by
 *  Free Software Foundation,version 3.
 *  
 *  OpenBD 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 OpenBD.  If not, see http://www.gnu.org/licenses/
 *  
 *  Additional permission under GNU GPL version 3 section 7
 *  
 *  If you modify this Program, or any covered work, by linking or combining 
 *  it with any of the JARS listed in the README.txt (or a modified version of 
 *  (that library), containing parts covered by the terms of that JAR, the 
 *  licensors of this Program grant you additional permission to convey the 
 *  resulting work. 
 *  README.txt @ http://www.openbluedragon.org/license/README.txt
 *  
 *  http://www.openbluedragon.org/
 */

package com.naryx.tagfusion.cfm.parser;

import org.antlr.runtime.Token;

import com.naryx.tagfusion.cfm.engine.cfData;
import com.naryx.tagfusion.cfm.engine.cfmRunTimeException;

public class CFIdentifier extends CFVarExpression implements java.io.Serializable {
	private static final long serialVersionUID = 1L;

	protected String name;
	protected Token token;

	public CFIdentifier( Token _t ) {
		super(_t);
		name = _t.getText();
		token = _t;
	}

	public CFIdentifier( Token _t, String _img ) {
		super(_t);
		name = _img;
		token = _t;
	}

	public byte getType() {
		return CFExpression.IDENTIFIER;
	}

	public String getName() {
		return name;
	}
	
	public Token getToken(){
		return token;
	}

	public cfData Eval( CFContext context ) throws cfmRunTimeException {
		setLineCol(context);
		context._lastExpr = context.get(name);
		if ( indirect && (context._lastExpr.getDataType() == cfData.CFLDATA) ) {
			context._lastExpr = ((cfLData) context._lastExpr).Get(context);
		}
		return context._lastExpr;
	}

	public cfData Eval( CFContext _context, boolean _doquerysearch ) throws cfmRunTimeException {
		setLineCol(_context);
		return _context._lastExpr = _context.get(name, _doquerysearch);
	}

	public String Decompile( int indent ) {
		return name;
	}

	public String toString() {
		return name;
	}

}