[Lazarus] Wrong error message in "Liste der überwachten Ausdrücke"

Joe Special at Joepgen.com
Wed Aug 1 11:36:21 CEST 2018


Am 01.08.2018 um 11:03 schrieb Martin Frb via Lazarus:
> This can currently not be fixed. 
> http://wiki.lazarus.freepascal.org/GDB_Debugger_Tips#Properties
>
> Currently neither dwarf-2, nor stabs allow the compiler to tell the 
> debugger about properties.
> So for the debugger properties do not exist, hence the error.
>
> For the specific case, try (IIRC):
> List.flist.fcount
>
>
> On 01/08/2018 10:05, Joe via Lazarus wrote:
>> "Liste der überwachten Ausdrücke" shows the wrong error message
>> "<Error: Type TSTRINGLIST has no component named COUNT.>"
>>
>> OS: Win 10 (64), Lazarus 1.8.4, SVN Revision 57972.
>> Steps to reproduce:
>> Insert this in an unit and let your program call it.
>>
>> procedure TForm1.TestProcedure;
>> var Liste: TStringList;
>> begin
>>   Liste:= TStringList.Create;
>>   Liste.Add('Eins');
>>   Liste.Free
>> end;
>>
>> Set a breakpoint at "Liste.Add('Eins')" and insert "Liste.count" into 
>> the "Liste der überwachten Ausdrücke" (Strg+Alt+W).
>> Run the program. It stops at the breakpoint and the Liste der 
>> überwachten Ausdrücke shows this wrong error message.
>>
>> Regards --  Joe
>>
>>
>
>
>

Martin, thank you for this important info. For debugging purposes, we 
are now going to load an intermediate variable with the result of 
Liste.count.
Regards --  Joe
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