/*

 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS HEADER.

 * 

 * Copyright 2008 Sun Microsystems, Inc. All rights reserved.

 * 

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 * Portions Copyrighted 2008 Sun Microsystems, Inc.

 */

package org.netbeans.modules.ada.editor.ast.nodes;

import org.netbeans.modules.ada.editor.ast.nodes.visitors.Visitor;

/**

 * Represents an assignment statement.

 * <pre>e.g.<pre> 

 * bar := 5,

 * foo := 6 + 1

 */

public class Assignment extends Statement {

    private NameBase leftHandSide;

    private Expression rightHandSide;

    public Assignment(int start, int end, NameBase leftHandSide, Expression rightHandSide) {

        super(start, end);

        if (leftHandSide == null ) {//|| rightHandSide == null) { TODO: must be correct

            throw new IllegalArgumentException

                    ("leftHandSide: " + leftHandSide +

                     ", rightHandSide: " + rightHandSide);

        }

        this.leftHandSide = leftHandSide;

        this.rightHandSide = rightHandSide;

    }

    /**

     * Returns the left hand side of this assignment expression.

     * 

     * @return the left hand side node

     */

    public NameBase getLeftHandSide() {

        return this.leftHandSide;

    }

    /**

     * Returns the right hand side of this assignment expression.

     * 

     * @return the right hand side node

     */

    public Expression getRightHandSide() {

        return this.rightHandSide;

    }

    @Override

    public void accept(Visitor visitor) {

        visitor.visit(this);

    }

}