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

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

 /**

  *  Represents an reference to a variable or class instantiation.

  *  <pre>e.g.<pre> 

  *  

  *  TODO: to verify the use for ACCESS attribute

  */

 public class Reference extends Expression {

     /**

      *  the expressions can be either variable or class instantiation 

      *  note that other expressions can not be assigned to this field

      */

     private Expression expression;

     private Reference(int start, int end, Expression expression) {

         super(start, end);

         this.expression = expression;

     }

     public Reference(int start, int end, NameBase variable) {

         this(start, end, (Expression)variable);

     }

     public Reference(int start, int end, PackageInstanceCreation packageInstanciation) {

         this(start, end, (Expression) packageInstanciation);

     }

     /**

      * Returns the expression of this expression statement.

      * 

      * @return the expression node

      */

     public Expression getExpression() {

         return expression;

     }

     @Override

     public void accept(Visitor visitor) {

         visitor.visit(this);

     }

 }