Bug 188038 Need know which measure ComputedColumnHandle aggregate on.
GUI need to show the measure name ont the data item in the aggregation cell.
data/org.eclipse.birt.data/src/org/eclipse/birt/data/engine/olap/util/OlapExpressionCompiler.java
dimName = getReferencedScriptObject( op2, objectName );
			return dimName;
		}
		
		return null;
	}
	
	/**
	 * 
	 * @param expr
	 * @param objectName
	 * @return
	 */
	private static String getReferencedScriptObject( IScriptExpression expr, String objectName )
	{
		if ( expr == null )
			return null;
		else 
			return getReferencedScriptObject( expr.getText( ), objectName);
	}
	
	/**
	 * 
	 * @param expr
	 * @param objectName
	 * @return
	 */
	public static String getReferencedScriptObject( String expr, String objectName )
	{
		Context cx = Context.enter();