[Info-vax] VMS Cobol - GnuCOBOL

[David Wade]

On 27/02/2023 20:58, Arne Vajhøj wrote:
> On 2/27/2023 11:49 AM, ultr... at gmail.com wrote:
>> On Thursday, February 23, 2023 at 5:05:50 PM UTC-5, Paul Gavin wrote:
>>> What, DEC C cannot be debugged?
>>> Working on some enhancements in a C based app on Alphas running 8.4.
>>> Can get to debugger just fine, step through code, look at data, set 
>>> break points, etc., even from within ACMS.
>>
>> never debugged dec c but if the compiler debugger is anything like C 
>> it is difficult ...

I feel the issue with debugging "C" is that in order to effectively use 
the debugger you tend to need to turn down optimisation, but turning 
down optimization tends to make the code work as you expect. When you 
turn it up again, undefined behaviour tends to re-emerge.


> 
> The VMS C compiler behaves pretty much like other VMS compilers.
> 
> The same VMS debugger is used for C as for any other (DEC/CPQ/HPE/VSI) 
> language.
> 
> Arne
> 

Dave