public static int GetLhsObj(string lhs)
{
int result;
if (Int32.TryParse(lhs, out result))
{
return(result);
}
else if (lhs.IndexOf(".") != -1)
{
Game g = Game.GetInstance();
string left = lhs.Substring(0, lhs.IndexOf("."));
if (g.IsVariable(left))
{
return(g.GetVarVal(left));
}
else
{
return(g.GetObjectId(left));
}
}
else
{
Game g = Game.GetInstance();
return(g.GetObjectId(lhs));
}
}
public static Node ToNode(string rhs)
{
Game g = Game.GetInstance();
rhs = rhs.Trim();
int result;
if (Int32.TryParse(rhs, out result))
{
return(new Constant(result));
}
else if (rhs.ToUpper() == "TRUE")
{
return(new Constant(1));
}
else if (rhs.ToUpper() == "FALSE")
{
return(new Constant(0));
}
else if (rhs.IndexOf('"') == 0)
{
rhs = rhs.Replace("\"", string.Empty);
return(new Constant(g.GetStringId(rhs)));
}
else if (rhs.IndexOf('.') != -1)
{
string left = rhs.Substring(0, rhs.IndexOf('.'));
string right = rhs.Substring(rhs.IndexOf('.') + 1, rhs.Length - rhs.IndexOf('.') - 1);
return(new Attr(left, right));
}
else if (g.GetObjectId(rhs) != -1)
{
return(new Constant(g.GetObjectId(rhs)));
}
else if (g.IsVariable(rhs))
{
return(new GameVar(rhs));
}
else
{
throw new Exception("Don't know what to do with " + rhs);
}
}