Re: [Vala] lexical analysis using libvala

[Maga Abdurakhmanov <maqdev gmail com>]

Sure I'm looked at the Valadoc (which uses libvala already) and there is AST
parser inside vala, which is libvala :)
AST doesn't include comments, they are removed as useless for compilation i
guess.
Also I'm looked into the sources of Scanner class itself and found no way to
get all comments without hacks.
Sadly i can't derive from Scanner and implement that functionality, there is
no overridable virtual methods.

On Sat, Jun 18, 2011 at 5:09 PM, Serge Hulne <serge hulne gmail com> wrote:

> I am new to Vala, so my remarks might be naive, but:
>
> 1) Is there not some kind of source code parser already included in
> Valadoc that you could reuse (as opposed to writing something from
> scratch).
>
> 2) Is there not and AST parser somewhere in Vala anyway ?
>
> 3) Why not parse the vapi files ?
>
> 4) Why not derive your analyser from the way the vapi files generator
> parses the Vala code ?
>
> If my remarks are obvious or naive, please ignore them.
>
> Serge.
>
>
>
>
> On Sat, Jun 18, 2011 at 2:44 PM, Maga Abdurakhmanov <maqdev gmail com>
> wrote:
> > Hi!
> >
> > I'm working on vala plugin for netbeans, and have some questions
> regarding
> > libvala and parsing (scanning) using libvala. My existing version of
> plugin
> > is implemented using antlr and it's not easy to maintain and support all
> the
> > features of vala.
> >
> > So I've come up with the idea to use libvala to parse files and integrate
> it
> > somehow with java part of plugin.
> >
> > Now i'm trying to parse vala files using libvala, and i've made some
> > progress but got problems with parsing of code comments.
> >
> > Here is my tryout to parse vala files:
> https://github.com/carbonfx/netbeans-valaproject/blob/libvala/plugin/libvalaproxy/src/valaparser/vala-parser.vala
> > I've made some hacks to get comments from source, and it doesn't looks
> right
> > for me. For example I'm calling scanner.parse_file_comments(); before
> each
> > call of read_token method.
> >
> > Is there any way to get comments and correct line and column number for
> > comments using Scanner class?
> >
> > --
> > Sincerely,
> > Magomed
> >
> > _______________________________________________
> > vala-list mailing list
> > vala-list gnome org
> > http://mail.gnome.org/mailman/listinfo/vala-list



-- 
Sincerely,
Magomed