protected override Value Evaluate(ValueContainer scopes)
{
var a = Left?.Process(scopes);
var b = Right?.Process(scopes);
/*if ((a?.IsNull ?? true) || (b?.IsNull ?? true))
* throw new Exception("Trying to peform operator on nulll value");*/
var operatorLambdas =
(a?.ContainsWithTreeScan(Sign) ?? new List <Value>()).Union(b?.ContainsWithTreeScan(Sign) ?? new List <Value>())
.Distinct().ToList();
if (operatorLambdas.Count > 0)
{
var functionAbstractOperatorLambdas = operatorLambdas.Select(x => x.RawValue).OfType <FunctionAbstract>().ToList();
var typedExpression = functionAbstractOperatorLambdas.FirstOrDefault(x =>
{
//List of class types available
var argList = x.Arguments.Select(y => y.Type != null ? scopes.FindValue(y.Type) : null).ToList();
var availableArgs = new[] { a?.Classes, b?.Classes };
//Detect if the class types match up
for (var i = 0; i < Math.Min(argList.Count, availableArgs.Length); i++)
{
if (argList[i] != null && ((!availableArgs[i]?.Contains(argList[i])) ?? false))
{
return(false);
}
}
return(true);
});
if (typedExpression != null)
{
return(FunctionCallExpression.InvokeSomething(scopes,
new[] { a, b },
typedExpression));
}
throw new ValidOperatorNotFoundException(functionAbstractOperatorLambdas, a?.Class?.LastName, b?.Class?.LastName, Sign);
}
throw new OperatorNotFoundException();
}
