public ParseTreeValue(TypeTokenPair valuePair)
        {
            _typeTokenPair         = valuePair;
            ParsesToConstantValue  = false;
            _exceedsValueTypeRange = null;
            _hashCode            = valuePair.Token.GetHashCode();
            _dateValue           = null;
            _stringConstant      = null;
            IsMismatchExpression = false;

            if (valuePair.ValueType.Equals(Tokens.Date))
            {
                ParsesToConstantValue = LetCoerce.TryCoerce(_typeTokenPair.Token, out _dateValue);
            }
            else if (valuePair.ValueType.Equals(Tokens.String) && IsStringConstant(valuePair.Token))
            {
                _stringConstant       = new StringLiteralExpression(new ConstantExpression(new StringValue(_typeTokenPair.Token)));
                ParsesToConstantValue = true;
            }
            else if (valuePair.ValueType.Equals(Tokens.String) &&
                     TryGetNonPrintingControlCharCompareToken(valuePair.Token, out _))
            {
                ParsesToConstantValue = true;
            }
        }
Beispiel #2
0
 private static bool TryParseAsDateLiteral(string valueString, out ComparableDateValue value)
 {
     value = default;
     if (IsDateLiteral(valueString))
     {
         return(LetCoerce.TryCoerce(valueString, out value));
     }
     return(false);
 }