[Gambas-user] Gambas error messages

jm joem at ...2671...
Thu Sep 20 16:57:20 CEST 2012 

Hi Jussi,

Just to re-iterate - I tried numerous different options
including gbx gbr running compiled pre-made serial port
sample, with and without project files, command line
etc. etc. all have same result.

On Thu, 2012-09-20 at 17:37 +0300, Jussi Lahtinen wrote:
> You tried to launch Gambas executable with gbx, for that you need to use
> gbr.
> gbx is for running source code or evaluating, not for executables.
> 
> Jussi
> 
> 
> 
> 
> On Thu, Sep 20, 2012 at 2:44 PM, jm <joem at ...2671...> wrote:
> 
> > On Wed, 2012-09-19 at 18:21 +0300, Jussi Lahtinen wrote:
> > > Or here is something you could do:
> > >
> > > gdb gbr3
> > > set args /usr/local/bin/gambas3 (or what ever is your install path)
> > > run
> > >
> > > You may need to kill the process with Ctrl + c in debugger.
> > > Then with bt, you will get backtrace.
> > > Send it here, so we can see what is happening.
> > >
> > > Jussi
> >
> >
> > (gdb) run
> > Starting program: /usr/bin/gbx2
> > [Thread debugging using libthread_db enabled]
> > Using host libthread_db library
> > "/lib/arm-linux-gnueabi/libthread_db.so.1".
> > ERROR: #45: File or directory does not exist
> > [Inferior 1 (process 12262) exited with code 01]
> > (gdb)
> >
> > bt gives the message no stack.
> >
> > (I tried many different ways of running gdb and all give
> > same answer as above - including set args)
> >
> > hmm.. not sure which file or directory its looking for.
> >
> > >
> > > On Wed, Sep 19, 2012 at 6:13 PM, Jussi Lahtinen <
> > jussi.lahtinen at ...626...>wrote:
> > >
> > > > gambas3 is just program made with Gambas, if it is in infinite loop,
> > > > interpreter cannot know about it.
> > > > It just does what it is commanded to do. Just like in any other
> > > > programming language.
> > > >
> > > > Try to run something else to see whether anything works.
> > > > gbx3 is Gambas interpreter executable, and gbr3 is for executing Gambas
> > > > executables like gambas3.
> > > >
> > > > What example "gbx3 --help" says?
> > > >
> > > > Jussi
> > > >
> > > >
> > > >
> > > >
> > > >
> > > > On Wed, Sep 19, 2012 at 3:57 PM, jm <joem at ...2671...
> > >wrote:
> > > >
> > > >> On Wed, 2012-09-19 at 14:03 +0200, Benoît Minisini wrote:
> > > >> > Le 19/09/2012 13:55, jm a écrit :
> > > >> > > Hi,
> > > >> > >
> > > >> > > Gambas runs on Linux and I was just wondering if it can do more
> > > >> > > with regards to error messages when it is run.
> > > >> > >
> > > >> > > I've got a MK802 with A10 ARM running Lubuntu.
> > > >> > > Gambas2 seems to download and install from repository.
> > > >> > > When run nothing happens.
> > > >> > > When run from command line it does nothing.
> > > >> > > (Reading raspberry pi forums where they use ARM and have gambas
> > > >> working,
> > > >> > >   this type of error is down to missing libs.)
> > > >> > >
> > > >> > > Doing "gambas2 --help" does nothing.
> > > >> > > (Doing "gambas3 --help" doesn't do conventional help
> > > >> > > message on Ubuntu Linux.)
> > > >> > >
> > > >> > > I was just wondering if it is possible to make gambas
> > > >> > > behave more like other applications so that its command
> > > >> > > line responses are more in line with expectations
> > > >> > > in a Linux environment.
> > > >> > >
> > > >> > > e.g.
> > > >> > > gambas3 --help : generate command line options
> > > >> >
> > > >> > That's possible, even if gambas3 has no command line options.
> > > >> >
> > > >> > > gambas3 -v [project] : puts gambas into verbose mode that
> > > >> > > prints a message before checking for a dependent lib
> > > >> > > so that if it crashed a meaningful guess can be made as to
> > > >> > > where to look for a fix.
> > > >> >
> > > >> > There I don't understand : gambas3 is the IDE, it is a GUI program.
> > If
> > > >> > you have missing libs, gambas3 is not compiled. And if it is, you
> > will
> > > >> > have error messages on the command line when running it.
> > > >>
> > > >> Strange - no error messages at all.
> > > >> When I run gambas2 from command line, nothing happens as in the
> > command
> > > >> line is completely frozen probably in an infinite loop and unable to
> > > >> show an IDE or output an error message. So it would be good if
> > > >> for example gambas started with a message like "initialising" when
> > > >> a parameter like -v for verbose is used
> > > >> so that at least we know that part has worked.
> > > >> (Emitting even more detailed message such as which buttons were
> > > >> pressed with a parameter  "-v2 level" where level is a number is
> > another
> > > >> desirable option. Increasing level of reporting can quickly find more
> > > >> complex faults - such as infinite event loops. I know many of these
> > > >> messages are reported to IDE, but there should be an option to get it
> > > >> reported to the console - that is the Linux/Unix way - the console and
> > > >> command line is king - even for a GUI IDE. Driving the IDE should also
> > > >> be command line driven. e.g. options to compile gambas programs should
> > > >> be available as standard from command line options for example without
> > > >> need for IDE to kick into life.)
> > > >>
> > > >> I had a Genesi smartbook that did the same freeze thing on their
> > Ubuntu
> > > >> distro. At the time I didn't need to go forward with it, so I dropped
> > > >> investigating. The MK802 however I must get going because the plan
> > > >> for now is to use OpenBox as the window manager and Gambas as the main
> > > >> application.
> > > >>
> > > >> No doubt I will be trying to compile gambas3 soon for MK802
> > > >> and sort it somehow. In the mean time I thought I make the suggestion
> > > >> for improved command line options - noting that gambas does not appear
> > > >> to have many options.
> > > >>
> > > >>
> > > >> >  If you try to
> > > >> > open a project which need components that are not install, you will
> > have
> > > >> > errors message boxes.
> > > >> >
> > > >> > So maybe you should try to give more details on how you installed
> > gambas
> > > >> > on your system, and more details on your system
> > > >>
> > > >> Gambas2 downloaded from the default repository of Lubuntu 12.04
> > > >> that came with the distro, by using synaptic.
> > > >> That would point the finger at the maintainers there but as its old
> > > >> its not worth pursuing. I'll probably try to compile gambas3.
> > > >>
> > > >>
> > > >> >  (no idea what a MK802
> > > >> > is...). ARM systems are quite different.
> > > >>
> > > >> It is the rage in ARMs at the moment - full ARM computer on a USB
> > stick:
> > > >> https://www.miniand.com/products/MK802%20Android%20Mini%20PC
> > > >> (around $50 on ebay)
> > > >>
> > > >> >
> > > >> > Regards,
> > > >> >
> > > >>
> > > >>
> > > >>
> > > >>
> > > >>
> > > >>
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