Re: rttlua does not support enum types as arguments for operations

On Thu, Mar 14, 2013 at 05:01:41PM +0100, Peter Soetens wrote:
> On Thu, Mar 14, 2013 at 4:53 PM, Ruben Smits
> <[email protected]> wrote:
> > Hi,
> >
> > I've got an enum type for which I created a typekit using typegen and an
> > extra plugin to add these enums to the GlobalTypeRepository of RTT.
> >
> > I have a component that uses this enum as an argument type. Everything goes
> > fine using the OCL Taskbrowser, I can call my operation using the enum taken
> > from the global repository.
> >
> > The same however fails using rttlua with the following error:
> >
> > ```
> >> component.operation("string",rtt.globals.MYENUM)
> >
> > /home/rsmits/orocos_toolchain/ocl/bin/rttlua-gnulinux:
> > .../orocos_toolchain/ocl/lua/modules/rttlib.lua:716: Operation.call:
> > argument 2 is not assignable.
> >
> > ```
> >
> > Does anyone have an idea why this happens? Is this due to the fact that I
> > take the value from the GlobalRepository?
> 
> It's due to the fact that it accidentally worked for primitive types
> (int,float,...) and not for all other types.
> 
> Patch in attachment that copies the constant over to a value data
> source and uses that down the road.
> 
> Fine to push Markus ?

Hmm, in which other code paths might this occur? For the globals
assigment it's not a problem, but could this happen in a rt-critical
paths? If that's possible it should not happen silently.

Markus
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