private EvaluationResult Evaluate(EvaluationResult left, OperatorExpression op, EvaluationResult right, NumericPrecision numericPrecision)
{
Exception exception = null;
try
{
if (left == null || op == null || right == null)
{
return(new EvaluationResult(EvaluationType.Null, null));
}
if (left.Type == EvaluationType.Boolean && right.Type == EvaluationType.Boolean)
{
return(EvaluateBools(left.AsBoolean().Value, op, right.AsBoolean().Value));
}
if (left.Type == EvaluationType.DateTime && right.Type == EvaluationType.DateTime)
{
return(EvaluateDates(left.AsDateTime().Value, op, right.AsDateTime().Value));
}
if (left.Type == EvaluationType.String && right.Type == EvaluationType.String)
{
return(EvaluateStrings(left.AsString(), op, right.AsString()));
}
if (left.Type == EvaluationType.Int && right.Type == EvaluationType.Int)
{
return(EvaluateInts(left.AsInt().Value, op, right.AsInt().Value));
}
var leftIsNumeric = left.Type == EvaluationType.Float || left.Type == EvaluationType.Int;
var rightIsNumeric = right.Type == EvaluationType.Float || right.Type == EvaluationType.Int;
if (leftIsNumeric && rightIsNumeric)
{
var leftNumeric = left.AsRealNumber(numericPrecision);
var rightNumeric = right.AsRealNumber(numericPrecision);
return(EvaluateFloats(leftNumeric, op, rightNumeric));
}
}
catch (Exception e)
{
exception = e;
}
throw new EvaluationException(left, op, right, exception);
}