/**
 * $Id$
 * ***** BEGIN GPL/BL DUAL LICENSE BLOCK *****
 *
 * This program 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. The Blender
 * Foundation also sells licenses for use in proprietary software under
 * the Blender License.  See http://www.blender.org/BL/ for information
 * about this.
 *
 * This program 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 this program; if not, write to the Free Software Foundation,
 * Inc., 59 Temple Place - Suite 330, Boston, MA  02111-1307, USA.
 *
 * The Original Code is Copyright (C) 2001-2002 by NaN Holding BV.
 * All rights reserved.
 *
 * The Original Code is: all of this file.
 *
 * Contributor(s): none yet.
 *
 * ***** END GPL/BL DUAL LICENSE BLOCK *****
 */

#include "IdentifierExpr.h"

#ifdef HAVE_CONFIG_H
#include <config.h>
#endif

CIdentifierExpr::CIdentifierExpr(const STR_String& identifier,CValue* id_context)
:m_identifier(identifier)
{
	if (id_context)
		m_idContext = id_context->AddRef();
	else
		m_idContext=NULL;
}


CIdentifierExpr::~CIdentifierExpr()
{
	if (m_idContext)
		m_idContext->Release();
}



CValue*	CIdentifierExpr::Calculate()
{
	CValue* result = NULL;
	if (m_idContext)
		result = m_idContext->FindIdentifier(m_identifier);

	return result;
}



bool CIdentifierExpr::MergeExpression(CExpression* otherexpr)
{
	return false;
}



unsigned char CIdentifierExpr::GetExpressionID()
{
	return CIDENTIFIEREXPRESSIONID;
}



bool CIdentifierExpr::NeedsRecalculated()
{
	return true;
}



CExpression* CIdentifierExpr::CheckLink(std::vector<CBrokenLinkInfo*>& brokenlinks)
{
	assertd(false); // not implemented yet
	return NULL;
}



void CIdentifierExpr::ClearModified() 
{
	assertd(false); // not implemented yet
}



void CIdentifierExpr::BroadcastOperators(VALUE_OPERATOR op)
{
	assertd(false); // not implemented yet
}