Hi Steve, what's the tree you need rather than the output? Thanks, T On May 1, 2009, at 1:14 PM, Steve Ebersole wrote:
> Is there a syntax to "explode" a subrule result (sorry don't know a > better term). > > I have a rule: > > sortSpecification > : sortKey collationSpecification? orderingSpecification? > -> ^( SORT_SPEC sortKey collationSpecification? > orderingSpecification? ) > ; > > The result of the sortKey subrule could be a Tree of type VECTOR_EXPR > (its a "row value constructor" for those familiar with SQL). > > In terms of eventual output, this rule translates as "(sort_key1, > sort_key2) asc" where "sort_key1, sort_key2)" is the VECTOR_EXPR. > > Instead what I need to have happen is "sort_key1 asc, sort_key2 asc". > > I started down the path of trying an @after in the sortSpecification > and > calling out to some java code to mutate the tree manually. But I'd > prefer to keep this in the grammar if at all possible. > > > -- > Steve Ebersole <st...@hibernate.org> > Hibernate.org > > > List: http://www.antlr.org/mailman/listinfo/antlr-interest > Unsubscribe: > http://www.antlr.org/mailman/options/antlr-interest/your-email-address List: http://www.antlr.org/mailman/listinfo/antlr-interest Unsubscribe: http://www.antlr.org/mailman/options/antlr-interest/your-email-address --~--~---------~--~----~------------~-------~--~----~ You received this message because you are subscribed to the Google Groups "il-antlr-interest" group. To post to this group, send email to il-antlr-interest@googlegroups.com To unsubscribe from this group, send email to il-antlr-interest+unsubscr...@googlegroups.com For more options, visit this group at http://groups.google.com/group/il-antlr-interest?hl=en -~----------~----~----~----~------~----~------~--~---
