/******************************************************************************** Copyright (C) 2000-2006 TROLLTECH ASA. All rights reserved.**** This file is part of the Phone Edition of the Qtopia Toolkit.**** Licensees holding a valid license agreement from Trolltech or any of its** authorized distributors may use this file in accordance with** the License Agreement provided with the Licensed Software.**** See http://www.trolltech.com/pricing.html or email sales@trolltech.com for**   information about Trolltech's Commercial License Agreements.**** Contact info@trolltech.com if any conditions of this licensing are** not clear to you.********** This file is provided AS IS with NO WARRANTY OF ANY KIND, INCLUDING THE** WARRANTY OF DESIGN, MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE.******************************************************************************/#include "instruction.h"#include "engine.h"Instruction::Instruction() {    precedence = 0;    name = type = retType = "NULL";    argCount = 0;    cache = 0;}Instruction::~Instruction() {    delete cache;};void Instruction::eval(){qWarning("empty instruction called");}QPixmap* Instruction::draw() {    if (!cache) {	QFont myFont = QFont( "helvetica", 24, QFont::Bold );	QRect bRect = QFontMetrics(myFont).boundingRect(0,0,240,20,Qt::AlignLeft,displayString);	cache = new QBitmap(bRect.size());        cache->clear();	QPainter p(cache);	p.setPen(Qt::color1);	p.setFont(myFont);	p.drawText(0,0,bRect.width(),bRect.height(),Qt::AlignRight,displayString);    }    return cache;}