protected override Value RealCalc(Scope scope)
{
if (Op != null)
{
ExprOp locus = null;
try
{
return(Op.Calc(scope, locus));
}
catch
{
if (locus != null)
{
string currentContext = ErrorContext.Current.GetContext();
ErrorContext.Current.AddErrorContext("While evaluating value expression:");
ErrorContext.Current.AddErrorContext(ErrorContext.OpContext(Op, locus));
if (Logger.Current.ShowInfo())
{
ErrorContext.Current.AddErrorContext("The value expression tree was:");
ErrorContext.Current.AddErrorContext(Op.Dump());
}
if (!String.IsNullOrEmpty(currentContext))
{
ErrorContext.Current.AddErrorContext(currentContext);
}
}
throw;
}
}
return(new Value());
}
