[fpc-pascal] QWord/UInt64 and Range Check Errors

[Inoussa OUEDRAOGO]

2009/6/25 Jonas Maebe <jonas.maebe at elis.ugent.be>:
>
> On 25 Jun 2009, at 19:58, Ruediger Hahn wrote:
>
>> I am just wondering if this is a bug: Can anyone tell me why I get a
>> "range check error while evaluating constants" with the following simple
>> program:
>>
>> <code>
>> program Project1;
>>
>> const
>> MyVar : UInt64 = $FFFFFFFFFFFFFFFF; // 4 x 2 Bytes or 4 Words
>>
>> begin
>> end.
>> </code>
>
> The reason is that $FFFFFFFFFFFFFFFF is parsed as an int64 by FPC. As a
> result it equals -1, and -1 is not a valid uint64 value.

This warning is actually misleading as it makes one doubtfull about
the correctness of the program( In my case I debugged the program to
be sure that the "good" value was assigned).

Best regards.
-- 
Inoussa O.