} // Changes
/// <summary>
/// Самым непосредственным образом парсит строку записанную польской записью =)
/// </summary>
/// <param name="name">собственно сама строка, которую надо разбрать</param>
/// <returns></returns>
public VarObject ParseString(string name)
{
Stack<VarObject> operands = new Stack<VarObject>();
VarObject tempVar = new VarObject();
string[] literal = name.Split(' ');
if (name[0] == '(') // Changes
{
name = name.Remove(0, 1);
name = name.Remove(name.Length - 1, 1);
} // Changes
foreach (string s in literal)
{
if (s[0] == 'V' || s[0] == 'P' || s[0] == 'T')
{
try
{
operands.Push(GetVar(s));
}
catch (Exception e)
{
}
}
else
{
if (s == "+" || s == "-" || s == "*" || s == "/" ||
s == "==" || s == "<" || s == "<=" || s == ">" || s == ">=")
ConvertToOneType(operands, s);
else
{
if (s[0] == '\'' && s[s.Length - 1] == '\'')
{
operands.Push(new VarString(s.Trim('\'', '\'')));
continue;
}
if (s[0] == '\"' && s[s.Length - 1] == '\"')
{
operands.Push(new VarString(s.Trim('\"', '\"')));
continue;
}
if (TryParseStandartFunc(s, ref tempVar)) // Changes
{
operands.Push(tempVar);
continue;
} // Changes
if (s == "true" || s == "false")
{
operands.Push(new VarBool(bool.Parse(s)));
continue;
}
double dNum;
int lNum;
if (double.TryParse(s, out dNum))
{
operands.Push(new VarDouble(dNum));
continue;
}
if (int.TryParse(s, out lNum))
{
operands.Push(new VarInt(lNum));
continue;
}
if (s[0] == '\"')
{
operands.Push(new VarString(s));
continue;
}
}
}
}
return operands.Pop();
}
protected bool TryParseStandartFunc(string s, ref VarObject res) // Changes
{
Regex o = new Regex(@"(.+\(.*\))");
bool flag = false;
int i;
if (o.IsMatch(s))
return false;
string subStr = s.Substring(0, s.IndexOf('('));
for (i = 0; i < Functions.Count; ++i)
{
if (subStr == Functions[i].Name)
{
flag = true;
break;
}
}
if (!flag)
return false;
res = Functions[i].Do(ParseString(s));
return true;
} // Changes
public virtual VarObject Do(VarObject Param)
{
return new VarObject();
}
public override int Do(ref int Line)
{
try
{
VarObject V;
switch (param[0])
{
case "int":
V = new VarInt();
break;
case "double":
V = new VarDouble();
break;
case "string":
V = new VarString();
break;
case "bool":
V = new VarBool();
break;
default:
V = new VarObject();
break;
}
Prog.Var.Add(V);
return base.Do(ref Line);
}
catch (Exception e)
{
return Except(e);
}
}
public override VarObject Do(VarObject Param)
{
return new VarDouble(Math.Sin(Param[0].ToDouble()));
}
