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 org.momut.ooas.ast.IAstVisitor;

import org.momut.ooas.ast.types.QrType;

import org.momut.ooas.utils.exceptions.ArgumentException;

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

///  Some constant bool, int, float, char,

///  qval or nil value

///

public final class ValueExpression<T> extends LeafExpression

{

        private final T m_value;

        public T value() { return m_value; }

        public final Class<T> m_clazz;

        public ValueExpression(T aValue, int line, int pos, Class<T> clazz)

        {

                super(LeafTypeEnum.unset, ExpressionKind.Value, line, pos);

                m_value = aValue;

                if (Integer.class.isAssignableFrom(clazz))

                        m_valueType = LeafTypeEnum.integer;

                else if (Boolean.class.isAssignableFrom(clazz))

                        m_valueType = LeafTypeEnum.bool;

                else if (Double.class.isAssignableFrom(clazz))

                        m_valueType = LeafTypeEnum.real;

                else if (Character.class.isAssignableFrom(clazz))

                        m_valueType = LeafTypeEnum.chr;

                else if (QrType.class.isAssignableFrom(clazz))

                        m_valueType = LeafTypeEnum.qval;

                else if (Object.class.isAssignableFrom(clazz))

                        m_valueType = LeafTypeEnum.reference;

                else

                        throw new ArgumentException();

                m_clazz = clazz;

        }

        public ValueExpression(ValueExpression<T> toCopy)

        {

                super(toCopy);

                m_value = toCopy.m_value;

                m_clazz = toCopy.m_clazz;

        }

        @Override

        public /*override*/ Expression Clone()

        {

                return new ValueExpression<T>(this);

        }

        @Override

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

        {

                visitor.visit(this);

        }

}