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Re: Canonical list of reserved words ?


On Thu, Nov 01, 2012 at 08:49:10AM -0700, Josh Stone wrote:
> On 11/01/2012 07:49 AM, Daniel P. Berrange wrote:
> > We've had fairly frequent bugs in QEMU where generated tapsets contain
> > variables clashing with systemd reserved words. eg
> > 
> >   https://bugzilla.redhat.com/show_bug.cgi?id=871286
> > 
> > Currently QEMU's generator does this
> > 
> >             for name in e.args.names():
> >                 # Append underscore to reserved keywords
> >                 if name in ('limit', 'in', 'next', 'self', 'function'):
> >                     name += '_'
> >                 out('  %s = $arg%d;' % (name, i))
> >                 i += 1
> > 
> > 
> > To avoid this proper in future I'm looking for a full list of all
> > systemtap reserved words. I've looked at the docs but not found a
> > clear list yet, so can someone point me int he right direction
> 
> If it's not in the docs, we should probably add it.
> 
> In the source, the list of keywords is populated here:
> http://sourceware.org/git/gitweb.cgi?p=systemtap.git;a=blob;f=parse.cxx#l1329
> 
>   probe global function if else for foreach in limit return delete
>   while break continue next string long try catch
> 
> Your list includes "self", which isn't actually significant in stap, but
> that's typical enough that maybe you should just leave it in, and we'll
> feel free to add that one later. :)

Thanks Josh / Frank,  I'll update QEMU to match this list.


Regards,
Daniel
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