Bug 210507 Enhance Report engine to support multiple view
engine/org.eclipse.birt.report.engine/src/org/eclipse/birt/report/engine/parser/EngineIRVisitor.java
* @param userProperties
	 *            user defined named expressions in design file
	 * @param namedExpressions
	 *            the data structure that hold named expressions
	 */
	private void setupNamedExpressions( DesignElementHandle handle,
			Map namedExpressions )
	{
		List userProperties = handle.getUserProperties( );
		if ( userProperties == null || namedExpressions == null )
			return;
		for ( int i = 0; i < userProperties.size( ); i++ )
		{
			UserPropertyDefn userDef = (UserPropertyDefn) userProperties
					.get( i );
			if ( userDef.getTypeCode( ) == IPropertyType.EXPRESSION_TYPE )
			{
				String name = userDef.getName( );
				String exprString = handle.getStringProperty( name );
				if ( exprString != null && !exprString.trim( ).equals( "" ) ) 
				{
					
					namedExpressions.put( name, exprString );
				}
			}
		}
	}
	/**
	 * setup the master page object from the base master page handle.
	 *