Juergen Schoenwaelder <j.schoenwael...@jacobs-university.de> wrote:
> On Wed, Jun 08, 2016 at 12:29:59PM +0200, Martin Bjorklund wrote:
>
> > > > Note that this is legal YANG:
> > > >
> > > > leaf type {
> > > > type string;
> > > > }
> > >
> > > So keywords aren't reserved; they can also be used as identifiers.
> >
> > Yes.
>
> > > That's a lot clearer. Though you can shorten it to:
> > >
> > > An unquoted string is any sequence of characters that is not a
> > > keyword, and does not contain any space, tab, or newline
> > > characters, a single or double quote character, a semicolon (";"),
> > > braces ("{" or "}"), or comment sequences ("//", "/*", or "*/").
> >
> > Thanks, better.
>
> The does the 'is not a keyword' not contratict the example shown
> above? My reading of the new suggested text would make me believe
> I would have to write the example as follows
>
> leaf "type" {
> type string;
> }
>
> which is different from the YANG 1.0 syntax rules I think.
Note that I also wrote:
> > In section 6.3 we must also do:
> >
> > OLD:
> >
> > The argument is a string, as defined in Section 6.1.2.
> >
> > NEW:
> >
> > The argument is a string or a keyword, as defined in Section 6.1.2.
The alternative is to keep the current text. But it means that the
scanner is context-dependent (logically at least).
IMO it doesn't really matter - this is just a conceptual explanation;
an implementation is free to implement this in whatever clever way it
wants.
/martin
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