private Expression FetchModelMethod(string name, IList <Expression> args)
{
var signatures = ContextType.GetRuntimeMethods()
.Where(mi => name.Equals(mi.Name) && mi.GetParameters().Length == args.Count)
.ToList();
if (signatures.Count == 0)
{
return(null);
}
if (signatures.Count > 1)
{
throw new InvalidOperationException(string.Format("Function {0} accepting {1} arguments is ambiguous.",
name, args.Count));
}
return(CreateMethodCallExpression(ContextExpression, signatures.Single(), args));
}
