/// <summary>
/// Provides the value associated to this Expression
/// </summary>
/// <param name="context">The context on which the value must be found</param>
/// <param name="explain"></param>
/// <returns></returns>
public virtual IValue GetExpressionValue(InterpretationContext context, ExplanationPart explain)
{
IValue retVal = null;
try
{
Util.DontNotify(() => { retVal = GetValue(context, explain); });
}
catch (Exception e)
{
ModelElement modelElement = context.Instance as ModelElement;
if (modelElement != null)
{
modelElement.AddErrorAndExplain(e.Message, explain);
}
}
return(retVal);
}