protected int EvaulateFunction()
{
PatternFunction lFunction = GetCurrentFunction();
NextToken();
NextToken();
PatternFunctionParameters <int> lPatternFunctionParameters = new PatternFunctionParameters <int>();
while (true)
{
PatternToken lToken = GetCurrentToken();
int lInt = GetTokenInteger(); // in case this is needed later
char lVariable = GetTokenVariable(); // in case this is needed later
NextToken();
if (lToken == PatternToken.COMMA)
{
continue;
}
if (lToken == PatternToken.CLOSE_PARA)
{
break;
}
if (lToken == PatternToken.INTEGER)
{
lPatternFunctionParameters.Add(lInt);
}
else if (lToken == PatternToken.VARIABLE)
{
Coordinate lCoordinate = OriginPoint + (Pattern.GetLetterLocation(lVariable) - Pattern.Origin).Transform(Transform);
lPatternFunctionParameters.Add(Board.Coord.At(lCoordinate.X, lCoordinate.Y));
}
else
{
lPatternFunctionParameters.Add(EvaulateExpression());
}
}
// Call function
return(lFunction(Board, Player, lPatternFunctionParameters));
}
public static PatternActionCode Compile(PatternActionCode patternActionCode, Pattern pattern, string action)
{
if (string.IsNullOrEmpty(action))
{
return(patternActionCode);
}
int lOpenParan = action.IndexOf('(');
int lCloseParan = action.IndexOf(')');
if (lOpenParan < 0)
{
patternActionCode.SetErrorMessage("Action line missing an open parentheses");
return(patternActionCode);
}
if (lCloseParan < 0)
{
patternActionCode.SetErrorMessage("Action line missing a close parentheses");
return(patternActionCode);
}
string lName = action.Substring(0, lOpenParan).Trim();
string lValues = action.Substring(lOpenParan + 1, lCloseParan - lOpenParan - 1).Trim();
PatternFunctionParameters <Coordinate> lPatternFunctionParameters = new PatternFunctionParameters <Coordinate>();
if (!string.IsNullOrEmpty(lValues))
{
string[] lParameters = lValues.Split(',');
foreach (string lParameter in lParameters)
{
if (lParameter.Length != 1)
{
patternActionCode.SetErrorMessage("Invalid action function parameter: " + lParameter);
return(patternActionCode);
}
lPatternFunctionParameters.Add(pattern.GetLetterLocation(lParameter[0]));
}
}
PatternActionFunctions.PatternActionFunction lPatternActionFunction = PatternActionFunctions.GetFunction(lName, lPatternFunctionParameters.Count);
if (lPatternActionFunction == null)
{
patternActionCode.SetErrorMessage("Unknown action function: " + lName + " with " + lPatternFunctionParameters.Count + " parameters");
return(patternActionCode);
}
patternActionCode.Add(new PatternActionOperand(lPatternActionFunction, lPatternFunctionParameters, pattern.Origin));
return(patternActionCode);
}
public void Execute(GoBoard goBoard, Coordinate originPoint, int transform, MoveList moves)
{
PatternFunctionParameters <int> lPatternFunctionParameters = new PatternFunctionParameters <int>();
foreach (Coordinate lCoordinate in Parameters)
{
Coordinate lCoordinate2 = originPoint + (lCoordinate - Origin).Transform(transform);
lPatternFunctionParameters.Add(goBoard.Coord.At(lCoordinate2.X, lCoordinate2.Y));
}
Function(moves, lPatternFunctionParameters);
}