/**
  *
  *                      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.utils.exceptions.ArgumentException;

///////////////////////////////////////////////
///  Tuple and Map Access "[...]"
///
public final class TupleMapAccessExpression extends UnaryOperator
{
	private Expression m_argument;

	public Expression argument() { return m_argument; }

	public TupleMapAccessExpression(Expression child, Expression argument, int line, int pos)
	{
		super (ExpressionKind.TupleMapAccess, child, line, pos);
		m_argument = argument;
	}

	public TupleMapAccessExpression(TupleMapAccessExpression toCopy)
	{
		super (toCopy);
		m_argument = toCopy.m_argument;
	}


	@Override
	public /*override*/ Expression Clone()
	{
		return new TupleMapAccessExpression(this);
	}

	@Override
	public /*override*/ void Accept(IAstVisitor visitor)
	{
		visitor.visit(this);
	}

	public void SetArgument(Expression newarg)
	{
		if (newarg == null)
			throw new ArgumentException();
		m_argument = newarg;
	}
}