CreateLogicPair(IParseTreeValue value, string opSymbol, IParseTreeValueFactory factory)
{
var operands = value.Token.Split(new string[] { opSymbol }, StringSplitOptions.None);
if (operands.Count() == 2)
{
var lhs = factory.Create(operands[0].Trim());
var rhs = factory.Create(operands[1].Trim());
if (opSymbol.Equals(Tokens.Like))
{
rhs = factory.CreateDeclaredType($"\"{rhs.Token}\"", Tokens.String);
}
return(lhs, rhs);
}
if (operands.Count() == 1)
{
var lhs = factory.Create(operands[0].Trim());
return(lhs, null);
}
return(null, null);
}
private IParseTreeValue EvaluateLogicalNot(IParseTreeValue parseTreeValue)
{
var opProvider = new OperatorTypesProvider(parseTreeValue.ValueType, LogicalOperators.NOT);
if (!parseTreeValue.ParsesToConstantValue)
{
//Unable to resolve to a value, return an expression
var opType = opProvider.OperatorDeclaredType;
opType = opType.Equals(string.Empty) ? Tokens.Variant : opProvider.OperatorDeclaredType;
return(_valueFactory.CreateExpression($"{LogicalOperators.NOT} {parseTreeValue.Token}", opType));
}
var value = parseTreeValue.AsLong();
return(_valueFactory.CreateDeclaredType((~value).ToString(CultureInfo.InvariantCulture), opProvider.OperatorDeclaredType));
}
