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.ArrayList;

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

///  Constructor: List

///

public final class ListConstructor extends TypeConstructionExpression implements IScope

{

	private ArrayList<Expression> m_elements;

	private IScope m_parentScope;

	private final SymbolTable m_comprehensionVars;

	private Expression m_comprehension;

	private boolean m_hasComprehension = false;

	public ArrayList<Expression> elements() { return m_elements; }

	public Expression comprehension() { return m_comprehension; }

	public boolean hasComprehension() { return m_hasComprehension; }

	public SymbolTable comprehensionVariables() { return m_comprehensionVars; }

	public ListConstructor(int line, int pos)

	{

		super (ExpressionKind.ListConstr, line, pos);

		m_elements = new ArrayList<Expression>();

		m_comprehensionVars = new SymbolTable();

	}

	public ListConstructor(ListConstructor toCopy)

	{

		super (toCopy);

		m_elements = new ArrayList<Expression>(toCopy.m_elements);

		m_parentScope = toCopy.m_parentScope;

		m_comprehensionVars = new SymbolTable(toCopy.m_comprehensionVars);

		m_comprehension = toCopy.m_comprehension;

		m_hasComprehension = toCopy.m_hasComprehension;

	}

	@Override

	public /*override*/ Expression Clone()

	{

		return new ListConstructor(this);

	}

	public void AddElement(Expression anElement)

	{

		m_elements.add(anElement);

	}

	public void SetComprehension(Expression comprehension)

	{

		m_comprehension = comprehension;

	}

	public void SetHasComprehension(boolean flag)

	{

		m_hasComprehension = flag;

	}

	@Override

	public Identifier ResolveIdentifier(String aName)

	{

		if (m_comprehensionVars.Defined(aName))

			return m_comprehensionVars.Get(aName);

		else

			return null;

	}

	@Override

	public IScope GetParentScope()

	{

		return m_parentScope;

	}

	@Override

	public void SetParentScope(IScope parentScope)

	{

		m_parentScope = parentScope;

	}

	@Override

	public void AddIdentifier(Identifier anIdentifier, Object tag)

	{

		m_comprehensionVars.AddIdentifier(anIdentifier);

	}

	@Override

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

	{

		visitor.visit(this);

	}

	public void SetElements(ArrayList<Expression> newElements)

	{

		m_elements = newElements;

	}

}