public BefungeToken GetTokenAt(int x, int y)
{
BefungeToken toReturn = null;
try { toReturn = _tokens[y][x]; }
catch (Exception)
{
toReturn = new BefungeIntToken(0, BefungeTokenType.Int);
}
return(toReturn);
}
public void SetTokenValueAt(int x, int y, int value)
{
var tkn = new BefungeIntToken(value, BefungeTokenType.Int);
_tokens[y][x] = tkn;
}
private BefungeToken DiscoverToken(string token)
{
BefungeToken toReturn;
if (token == "\"")
{
_charMode = !_charMode;
toReturn = new BefungeToken(BefungeTokenType.Quotes);
return(toReturn);
}
if (_charMode)
{
toReturn = new BefungeIntToken(token[0], BefungeTokenType.Char);
return(toReturn);
}
if (Regex.IsMatch(token, _digitExpression))
{
toReturn = new BefungeIntToken(int.Parse(token), BefungeTokenType.Int);
}
else if (Regex.IsMatch(token, _charExpression))
{
toReturn = new BefungeIntToken(token[0], BefungeTokenType.Char);
}
else if (token == " ")
{
return(new BefungeToken(BefungeTokenType.NOP));
}
else
{
switch (token)
{
case "^":
toReturn = new BefungeToken(BefungeTokenType.MoveUp);
break;
case "v":
toReturn = new BefungeToken(BefungeTokenType.MoveDown);
break;
case "<":
toReturn = new BefungeToken(BefungeTokenType.MoveLeft);
break;
case ">":
toReturn = new BefungeToken(BefungeTokenType.MoveRight);
break;
case "_":
toReturn = new BefungeToken(BefungeTokenType.MoveRightConditional);
break;
case "|":
toReturn = new BefungeToken(BefungeTokenType.MoveDownConditional);
break;
case "?":
toReturn = new BefungeToken(BefungeTokenType.MoveRandom);
break;
case "#":
toReturn = new BefungeToken(BefungeTokenType.Trampoline);
break;
case "@":
toReturn = new BefungeToken(BefungeTokenType.EOF);
break;
case ":":
toReturn = new BefungeToken(BefungeTokenType.CopyTop);
break;
case @"\":
toReturn = new BefungeToken(BefungeTokenType.SwapTop);
break;
case "$":
toReturn = new BefungeToken(BefungeTokenType.RemoveTop);
break;
case "p":
toReturn = new BefungeToken(BefungeTokenType.Put);
break;
case "g":
toReturn = new BefungeToken(BefungeTokenType.Get);
break;
case "+":
toReturn = new BefungeToken(BefungeTokenType.Add);
break;
case "-":
toReturn = new BefungeToken(BefungeTokenType.Subtract);
break;
case "*":
toReturn = new BefungeToken(BefungeTokenType.Multiply);
break;
case "/":
toReturn = new BefungeToken(BefungeTokenType.IntDivide);
break;
case "%":
toReturn = new BefungeToken(BefungeTokenType.Modulo);
break;
case "!":
toReturn = new BefungeToken(BefungeTokenType.Not);
break;
case "`":
toReturn = new BefungeToken(BefungeTokenType.GreaterThan);
break;
case "&":
toReturn = new BefungeToken(BefungeTokenType.GetInt);
break;
case "~":
toReturn = new BefungeToken(BefungeTokenType.GetSymbol);
break;
case ".":
toReturn = new BefungeToken(BefungeTokenType.PrintTopInt);
break;
case ",":
toReturn = new BefungeToken(BefungeTokenType.PrintTopSymbol);
break;
default:
throw new ArgumentException("can`t recognize token", nameof(token));
}
}
return(toReturn);
}