private bool DoIfInOutOperation(string element)
{
string[] ioOperation =
{
"read", "write"
};
// If element isn`t io operation returns false.
bool result = ioOperation.Contains(element);
if (result == false)
{
return(false);
}
string operandName = stack.Pop();
IdentificatorRow operand = IdentificatorsTable.First(x => x.Name == operandName);
switch (element)
{
case "read":
Terminal.Read(ref operand);
break;
case "write":
Terminal.Write(operand);
break;
}
// If element is io operation returns true.
return(true);
}
private double ConvertToDouble(string str)
{
double value;
bool result;
//string sPattern = "^[a-zE0-9\\.\\+\\-]*$";
//if (System.Text.RegularExpressions.Regex.IsMatch(str, sPattern))
// result = true;
//else
// result = false;
result = Double.TryParse(str, out value);
if (result == true)
{
return(value);
}
str = IdentificatorsTable.Find(x => x.Name == str).Value;
result = Double.TryParse(str, out value);
return(value);
}
private bool IsOperand(string element)
{
bool result = IdentificatorsTable.Exists(x => x.Name == element);
if (result == true)
{
stack.Push(element);
return(true);
}
result = LabelsTable.Exists(x => x.Name == element);
if (result == true)
{
stack.Push(element);
return(true);
}
double value;
result = Double.TryParse(element, out value);
if (result == true)
{
stack.Push(element);
return(true);
}
bool value2;
result = Boolean.TryParse(element, out value2);
if (result == true)
{
stack.Push(element);
return(true);
}
return(false);
}
private void Assignment(string str, double value)
{
int index = IdentificatorsTable.IndexOf(IdentificatorsTable.Find(x => x.Name == str));
IdentificatorsTable[index].Value = value.ToString();
}
