Subj : Re: The root of the syntax tree
To   : netscape.public.mozilla.jseng
From : Brendan Eich
Date : Wed Jul 07 2004 01:59 pm

joao wrote:

> Looking at the definition of 
> JSParseNodeArity, just before the definition of JSParseNode, there seems 
> to be a mapping between those enum values and the sub-fields, so the 
> reader is led to believe that if it's a PN_NAME, then you can access 
> pn_atom, otherwise you can't. And if it's PN_NULLARY, then there's 
> nothing else (dval maybe ?).

Yes, pn_dval and pn_atom are the variants (the latter a member in a 
larger variant type, but the other pn_u.name members are used only for 
PN_NAME, not for PN_NULLARY) used for leaf literals (numbers, strings, 
objects [regexps, xml soon]).

/be

.