Re: [pygccxml-development] declarations string, stability

[Roman Y. <rom...@gm...>]

On Dec 10, 2007 8:09 PM, Ben Schleimer <bsc...@lu...> wrote:
>
> >
> > I almost agree with you. I could improve the interface,
> > meanwhile you can use decl_visitor_t (
> > http://language-binding.net/pygccxml/apidocs/pygccxml.declarat
> > ions.decl_visitor.decl_visitor_t-class.html
> > )
> > class and apply_visitor function (
> > http://language-binding.net/pygccxml/apidocs/pygccxml.declarat
> > ions.algorithm-module.html#apply_visitor
> > )
>
> Oh, I didn't know about that functionality. Well, I'll definitely try
> using it next time...

Where would you look for such thing?

> >
> > > I know this would be useful because I had to search for
> > decls based on
> > > their attributes which wasn't a param in
> > scopedef.member_functions(..)
> > > so I had to manually test the attributes anyway.
> >
> > So why do you need visitor? You already know that you need
> > member functions, the only thing left is to specialized the
> > query. This is easily done by passing a callable to the
> > member_functions function:
> >
> > ns.mem_funs( lambda x: len( x.arguments ) > 19 )
> >
>
> Argg, again, I didn't know about it because its not mentioned anywhere
> in the documentation.
> Maybe again a paragraph about decl_visitor_t and callable would make
> them more clear to the
> End users.

It is described here:
http://language-binding.net/pygccxml/query_interface.html#usage-examples

-- 
Roman Yakovenko
C++ Python language binding
http://www.language-binding.net/