It would work, but it would be meaningless information to anybody other
than someone familiar with the internal code. You are introducing a totally
new concept at the language level, which is not a good idea.

Rick

On Wed, Feb 12, 2025 at 10:19 AM Rony G. Flatscher <rony.flatsc...@wu.ac.at>
wrote:

> Thank you Rick!
>
> Just one thing: the idea would be to add a uint32_t field to the
> StackFrameClass such that when a stackframe gets created in
> RexxActivation::createStackFrame() the RexxActivation::getIdntfr() could be
> used there to supply that uint32_t value. This way no Rexx object would be
> used for that information and no internal Rexx object would need to be
> exposed to user code. Would that be an acceptable approach then?
>
> ---rony
>
>
> On 12.02.2025 16:04, Rick McGuire wrote:
>
> First of all, RexxActivaion is an RexxInternalObject. Those must NEVER be
> returned as an instance by Rexx code. They are not fully functional objects
> that can be seen by Rexx code. There are also issues with NativeActivation
> which is part of the same hierarchy with RexxActivation and also must never
> be returned to Rexx code. If you really feed the need to do this, a better
> choice would be to return the .Context object associated with the
> activation. Buy you need to make this adjustment in every place an
> StackFrame object is created, because only RexxActivation ones will have a
> backing context.
>
> Rick
>
> On Wed, Feb 12, 2025 at 9:51 AM Rony G. Flatscher <rony.flatsc...@wu.ac.at>
> wrote:
>
>> Currently, the stackframes do not contain the information to which
>> RexxActivation (“invocation”) they relate to. As a result, a caller stack
>> frame cannot be consulted to learn which invocation created the called
>> invocation. This is vital information in case one creates a tracelog and
>> wishes to analyze exactly the flow of control post-mortem using a tracelog.
>> Therefore, I would like to add that information to stackframes using the
>> name “invocation” storing the value of RexxActivation::getIdntfr() and
>> adjust RexxActivation::createStackFrame() and the StackFrameClass
>> accordingly. Would there be something else that one needs to pay attention
>> to?
>>
>>  ---rony
>>
>
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