public override object GetValue(Dictionary <GridCoordinates, object> childCells, out ParserError error)
{
leftValue = LeftOpRand.GetValue(childCells, out error);
if (!error.IsEmpty)
{
return(null);
}
rightValue = RightOpRand.GetValue(childCells, out error);
if (!error.IsEmpty)
{
return(null);
}
try {
switch (OpName)
{
case OperationToken.Operation.Plus: return(GetPlusValue(childCells, out error));
case OperationToken.Operation.Minus: return(GetMinusValue(childCells, out error));
case OperationToken.Operation.Mult: return(GetMultValue(childCells, out error));
case OperationToken.Operation.Divide: return(GetDivideValue(childCells, out error));
case OperationToken.Operation.Mod: return(GetModValue(childCells, out error));
case OperationToken.Operation.Div: return(GetDivValue(childCells, out error));
case OperationToken.Operation.More: return(GetMoreValue(childCells, out error));
case OperationToken.Operation.MoreEq: return(GetMoreEqValue(childCells, out error));
case OperationToken.Operation.Less: return(GetLessValue(childCells, out error));
case OperationToken.Operation.LessEq: return(GetLessEqValue(childCells, out error));
case OperationToken.Operation.Equal: return(GetEqualValue(childCells, out error));
case OperationToken.Operation.UnEqual: return(GetUnEqualValue(childCells, out error));
default: {
error = new ParserError($"Strange binar operation{OpName.ToString()}");
return(null);
}
}
} catch (Exception e) {
error = new ParserError(e.Message);
return(null);
}
}
private object GetPlusValue(Dictionary <GridCoordinates, object> childCells, out ParserError error)
{
object argValue = Argument.GetValue(childCells, out error);
if (!error.IsEmpty)
{
return(null);
}
if (argValue is Decimal decValue)
{
return(+decValue);
}
error = new ParserError($"Unar {OpName.ToString()} operation has wrong argument type");
return(null);
}
public override object GetValue(Dictionary <GridCoordinates, object> childCells, out ParserError error)
{
try {
switch (OpName)
{
case OperationToken.Operation.If: return(GetIfValue(childCells, out error));
case OperationToken.Operation.Plus: return(GetPlusValue(childCells, out error));
case OperationToken.Operation.Minus: return(GetMinusValue(childCells, out error));
case OperationToken.Operation.Not: return(GetNotValue(childCells, out error));
default: {
error = new ParserError($"Unexpected UnarOperation: {OpName.ToString()}");
return(null);
}
}
} catch (Exception e) {
error = new ParserError(e.Message);
return(null);
}
}