public static bool CheckArgs(int min, int max, string name, IList <IExpression> ArgList, BCValue Retval)
{
if (ArgList.Count < min)
{
if (min == max)
{
Retval.SetError(1, $"{name} requires {min} args, not {ArgList.Count}.");
}
else
{
Retval.SetError(1, $"{name} requires {min} to {max} args, not {ArgList.Count}.");
}
return(false);
}
if (ArgList.Count > max)
{
if (min == max)
{
Retval.SetError(1, $"{name} requires {min} args, not {ArgList.Count}.");
}
else
{
Retval.SetError(1, $"{name} requires {min} to {max} args, not {ArgList.Count}.");
}
return(false);
}
return(true);
}
// name and argName are used only for error messages
public static bool CheckValueRange(string name, double value, string argName, double min, double max, BCValue Retval)
{
if (!Double.IsNaN(min) && value < min)
{
Retval.SetError(1, $"{name} {argName} argument is {value} but must be >= {min}");
return(false);
}
if (!Double.IsNaN(max) && value > max)
{
Retval.SetError(1, $"{name} {argName} argument is {value} but must be <= {max}");
return(false);
}
return(true);
}
public RunResult(string str)
{
Result = new BCValue(str);
}
public static async Task <bool> CheckArgValue(int index, string argName, int min, int max, BCRunContext context, string name, IList <IExpression> ArgList, BCValue Retval)
{
if (index >= ArgList.Count)
{
Retval.SetError(1, $"{name} is missing the {argName} argument.");
return(false);
}
double value = (await ArgList[index].EvalAsync(context)).AsDouble;
return(CheckValueRange(name, value, argName, min, max, Retval));
}
