protected override Parser.Result Evaluate(string data, ref int from)
{
string useName = Utils.GetToken(data, ref from, Constants.END_ARG_ARRAY);
ScDumper.Close(useName);
return(new Parser.Result(Double.NaN, ""));
}
protected override Parser.Result Evaluate(string data, ref int from)
{
string varName = Utils.GetToken(data, ref from, Constants.END_ARG_ARRAY);
if (from >= data.Length)
{
throw new ArgumentException("Couldn't set variable before end of line");
}
NameVar nv = new NameVar(varName);
Parser.Result varValue = new Parser.Result();
ScDumper.SetValue(nv, varValue.Value.ToString());
return(varValue);
}
protected override Parser.Result Evaluate(string data, ref int from)
{
string varName = Utils.GetToken(data, ref from, Constants.END_ARG_ARRAY);
if (from >= data.Length)
{
throw new ArgumentException("Couldn't set variable before end of line");
}
NameVar nv = new NameVar(varName);
Parser.Result varValue = new Parser.Result();
string value = ScDumper.GetValue(nv);
varValue.Value = Double.Parse(value);
// Check if the variable to be set has the form of x(0),
// meaning that this is an array element.
int arrayIndex = Utils.ExtractArrayElement(ref varName);
if (arrayIndex >= 0)
{
bool exists = ParserFunction.FunctionExists(varName);
Parser.Result currentValue = exists ?
ParserFunction.GetFunction(varName).GetValue(data, ref from) :
new Parser.Result();
List <Parser.Result> tuple = currentValue.Tuple ?? new List <Parser.Result>();
if (tuple.Count > arrayIndex)
{
tuple[arrayIndex] = varValue;
}
else
{
for (int i = tuple.Count; i < arrayIndex; i++)
{
tuple.Add(new Parser.Result(Double.NaN, string.Empty));
}
tuple.Add(varValue);
}
varValue = new Parser.Result(Double.NaN, null, tuple);
}
ParserFunction.AddFunction(varName, new GetVarFunction(varValue));
return(new Parser.Result(Double.NaN, varName));
}