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;

import org.momut.ooas.ast.IAstVisitor;

import org.momut.ooas.ast.IScope;

import org.momut.ooas.ast.identifiers.Identifier;

import org.momut.ooas.parser.SymbolTable;

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

///  Constructor: Set

///

public final class SetConstructor extends TypeConstructionExpression implements IScope

{

        private ArrayList<Expression> m_items;

        private final SymbolTable m_comprehensionVars;

        private IScope m_parentScope;

        private Expression m_comprehension;

        private boolean m_hasComprehension = false;

        public ArrayList<Expression> items() { return m_items; }

        public Expression comprehension() { return m_comprehension; }

        public boolean hasComprehension() { return m_hasComprehension; }

        public SymbolTable comprehensionVariables() { return m_comprehensionVars; }

        public SetConstructor(int line, int pos)

        {

                super (ExpressionKind.SetConstr, line, pos);

                m_items = new ArrayList<Expression>();

                m_comprehensionVars = new SymbolTable();

        }

        public SetConstructor(SetConstructor toCopy)

        {

                super (toCopy);

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

                m_comprehensionVars = new SymbolTable(toCopy.m_comprehensionVars);

                m_parentScope = toCopy.m_parentScope;

                m_comprehension = toCopy.m_comprehension;

                m_hasComprehension = toCopy.m_hasComprehension;

        }

        @Override

        public /*override*/ Expression Clone()

        {

                return new SetConstructor(this);

        }

        public void AddItem(Expression anItem)

        {

                m_items.add(anItem);

        }

        public void SetComprehension(Expression anExpr)

        {

                m_comprehension = anExpr;

        }

        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);

        }

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

        {

                visitor.visit(this);

        }

        public void SetItems(ArrayList<Expression> newItems)

        {

                m_items = newItems;

        }

}