Well, FWIW, I thought so too. Just for fun I have implemented a working
framework of what I described later in this thread. Of course, even
though it can modify the trace output, it does not actually put the
"real" values in as that would require either the modifications to the
.stackframe class that Rick describes or a native method that could
obtain and return them. I haven't written either at this point.
Gil
On 4/1/2023 12:01 PM, Rony G Flatscher wrote:
That sounds very interesting!
—-rony
Rony G. Flatscher (mobil/e)
Am 25.03.2023 um 07:35 schrieb Rick McGuire <object.r...@gmail.com>:
I had one of those AHA moments this morning. The whole question about
multithreaded tracing can be quite cleanly resolved by removing the question
from the TRACE command entirely.
Currently, the trace output is written to the .TRACEOUTPUT monitor. With a few
small enhancements to already existing classes, it would be possible for any
additional information to be added by the TRACEOUPUT target. To enable it, one
would only need to push a new output destination to the monitor. The new
destination would add any additional debug information to the trace lines. This
is not only pretty simple, but it also means any user can customize the trace
information to their own requirements, though it would be nice to supply a
couple of builtin alternatives.
The enhancements necessary to do this are pretty simple. The StackFrame class
already has most of the information you need for debugging, but it could use
methods to expose a threadid, instance id, and also the current GUARD status in
the case of method calls. This can be quite easily done, and would provide
useful debug information for more than just the trace output. It might be
desirable to add the same methods to .Context. I can go either way with that
one.
Rick
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