package runEnv;

import runEnv.basicValue.*;

import java.util.*;

public class Multiple {

/*
Represents an array, or fields, for an instance or activation record for a method.
*/

	private Vector< RunValue > vector = new Vector< RunValue >();

	public int size() { return vector.size(); }

	public Multiple( int size ) {
		for ( int i = 0; i < size; i++ )
			vector.addElement( new NullValue() );
		}

	public String toString() {
		String result = "";
		if ( size() == 0 )
			return "{}";
		for ( int i = 0; i < size(); i++ ) {
			if ( i > 0 )
				result += ", ";
			result += getValue( i );
			}
		return "{ " + result + " }";
		}

	public RunValue getValue( int i ) {
		return ( RunValue ) vector.elementAt( i );
		}

	public RunAddress getAddress( int i ) {
		return new RunAddress( this, i );
		}

	public void setValue( int i, RunValue value ) {
		vector.setElementAt( value, i );
		}

	}