[Mono-list] Diagnostic Messages

[A Rafael D Teixeira]

>This need not be the case.  Instead, the handy
>`System.Diagnostics.Trace' and `System.Diagnostics.Debug' classes could
>be used, which (by default, on Windows) do not display any console
>output.  This would allow developers to still see the messages (if they
>need to), without having them be seen by end-users.
>
>The problem is that things don't behave this way under Mono, as the
>current `DefaultTraceListener' class sends all output messages to the
>console.  I originally did this because it was easy, but I'd like to
>replace this with something more functional.

This really, isn't like what happens on Windows.

>My current idea for "more functional" is that we add a new argument to
>mono/mint:
>
>	--diagnostics=[trace | debug | all]
>
>If `--diagnostics' isn't present, then no diagnostic messages are
>generated.  If `--diagnostics=trace', then only calls to
>`System.Diagnostics.Trace' would be displayed.  Similarly, if
>`--diagnostics=debug', then only calls to `System.Diagnostics.Debug'
>would be displayed.  `--diagnostics=all' would show messages sent to
>both `System.Diagnostics.Trace' and `System.Diagnostics.Debug'.

In windows I'm used to change the xml configuration file to disable at 
run-time the DefaultTraceListener (remove from the Listeners collection) and 
add a FileTraceListener to log problems in a separate file or to the 
console. I would like that behaviour to work in Mono too, better than have a 
switch in the interpreter/jitter.

Rafael Teixeira
Brazilian Developer


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