/// <summary>
/// Computes the expression and returns a result.
/// </summary>
/// <param name="tolerance">The tolerance.</param>
/// <param name="dataFinder">The data finder for the arguments with which to invoke execution of the expression.</param>
/// <returns>
/// The computed result, or, if the expression is not recognized correctly, the expression as a <see cref="string" />.
/// </returns>
public object Compute(Tolerance?tolerance, IDataFinder dataFinder)
{
this.RequiresNotDisposed();
if (!RecognizedCorrectly)
{
return(initialExpression);
}
var pars = new List <object>();
_ = Requires.NotNull(
dataFinder,
nameof(dataFinder));
foreach (ParameterContext p in parametersRegistry?.Dump() ?? Array.Empty <ParameterContext>())
{
if (!dataFinder.TryGetData(p.Name, out var data))
{
data = null;
}
pars.Add(data);
}
return(pars.Any(p => p == null) ? initialExpression : Compute(tolerance, pars.ToArray()));
}