import "http://www.eclipse.org/emf/2002/Ecore" as ecore
	
BidPriority: priorityLevel=PRIORITY;

terminal PRIORITY returns ecore::EInt: 'p' ('0'..'9')+;

public class MyDslRuntimeModule extends org.xtext.example.mydsl2.AbstractMyDslRuntimeModule {
	
	@Override
	public Class<? extends IValueConverterService> bindIValueConverterService() {
		return MyDslValueConverterService.class;
	}

}

public class MyDslValueConverterService extends DefaultTerminalConverters {
	
	@ValueConverter(rule = "PRIORITY")
	public IValueConverter<Integer> PRIORITY() {
		return new IValueConverter<Integer>() {

			@Override
			public Integer toValue(String string, INode node)
					throws ValueConverterException {
				return Integer.valueOf(string.substring(1));
			}

			@Override
			public String toString(Integer value)
					throws ValueConverterException {
				return "p" + value.toString();
			}
			
		};
	}

}