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;
}
}
private static bool TryParseAsDateLiteral(string valueString, out ComparableDateValue value)
{
value = default;
if (IsDateLiteral(valueString))
{
return(LetCoerce.TryCoerce(valueString, out value));
}
return(false);
}