OoasTools

/**

  *

  *                      OOAS Compiler

  *

  *       Copyright 2015, AIT Austrian Institute of Technology.

  * This code is based on the C# Version of the OOAS Compiler, which is

  * copyright 2015 by the Institute of Software Technology, Graz University

  * of Technology with portions copyright by the AIT Austrian Institute of

  * Technology. All rights reserved.

  *

  * SEE THE "LICENSE" FILE FOR THE TERMS UNDER WHICH THIS FILE IS PROVIDED.

  *

  * If you modify the file please update the list of contributors below to in-

  * clude your name. Please also stick to the coding convention of using TABs

  * to do the basic (block-level) indentation and spaces for anything after

  * that. (Enable the display of special chars and it should be pretty obvious

  * what this means.) Also, remove all trailing whitespace.

  *

  * Contributors:

  *               Willibald Krenn (AIT)

  *               Stephan Zimmerer (AIT)

  *               Markus Demetz (AIT)

  *               Christoph Czurda (AIT)

  *

  */

package org.momut.ooas.ast.expressions;

import java.util.Arrays;

import org.momut.ooas.ast.IAstVisitor;

///////////////////////////////////////////////

///  Constructor: Qualitative Value

///

public final class QValConstructor extends TypeConstructionExpression

{

        public enum QValDeriv { DonTCare, Dec, Steady, Inc }

        private Expression[] m_value;

        private QValDeriv m_derivValue;

        public Expression[] value() { return m_value; }

        public QValDeriv valueDeriv() { return m_derivValue; }

        public QValConstructor(int line, int pos)

        {

                super (ExpressionKind.QValConstr, line, pos);

                m_value = new Expression[1];

                m_value[0] = null;

                m_derivValue = QValDeriv.DonTCare;

        }

        public QValConstructor(QValConstructor toCopy)

        {

                super (toCopy);

                m_value = Arrays.copyOf(toCopy.m_value, toCopy.m_value.length);

                m_derivValue = toCopy.m_derivValue;

        }

        @Override

        public /*override*/ Expression Clone()

        {

                return new QValConstructor(this);

        }

        public /*override*/ void Accept(IAstVisitor visitor)

        {

                visitor.visit(this);

        }

        public void SetValue(Expression aval)

        {

                m_value[0] = aval;

        }

        public void AddRange(Expression toRange)

        {

                Expression currVal = m_value[0];

                m_value = new Expression[2];

                m_value[0] = currVal;

                m_value[1] = toRange;

        }

        public void SetDerivation(QValDeriv newValue)

        {

                m_derivValue = newValue;

        }

}