how to define order in visit_foo for KDevelop-pg

Jakob Petsovits jpetso at gmx.at
Sun Jul 22 20:08:18 UTC 2007


On Saturday, 21. July 2007, Andreas Pakulat wrote:
> Hi,
>
> Is there a way to influence the order of the visit_node calls in this
> visit_scope function?
>
>   void default_visitor::visit_scope(scope_ast *node)
>   {
>     visit_node(node->func_args);
>     visit_node(node->scope_body);
>     visit_node(node->or_op);
>   }
>
> The rule is this:
>
>    func_args=function_args ( scope_body=scope_body | or_op=or_op
> scope_body=scope_body | 0 )
>
>    | ( or_op=or_op | 0 ) scope_body=scope_body
>
> -> scope ;;
>
> I'd like to have the or_op visited first, then the func_args and then
> the scope_body.

No, as far as I know this is not possible without having a custom visitor.

You could
a) subclass the default visitor and fix the order of the calls in the
   overriding member function, or
b) add support for that to kdev-pg directly.

I think that's pretty much it.




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