internal void Accept(ExpressionObject obj)
{
if (Lhs == null)
{
Lhs = obj;
}
else if (Operator == null)
{
Operator = obj;
}
else
{
Rhs = obj;
}
}
private static (object left, object right) ProcessOperands(ExecutionContext ctx, ExpressionObject lhs, ExpressionObject rhs)
{
object lhsVal = lhs.Value(ctx);
Type target = lhs.IsNull(ctx) ? typeof(string) :
(BooleanExpressionObject.CouldParse(lhsVal) ?
typeof(bool) :
(NumberExpressionObject.CouldParse(lhsVal) ? typeof(decimal) : typeof(string)));
return(left : ChangeType(lhsVal, target), right : ChangeType(rhs.Value(ctx), target));
}
internal ExpressionObject Evaluate(ExecutionContext ctx, ExpressionObject lhs, ExpressionObject rhs)
{
return(Handlers[Source](ctx, lhs, rhs));
}